Export Network Update

Reviewed-on: LeenkxTeam/LNXSDK#146

Kha/Backends/Krom/Krom.hx

@@ -130,6 +130,11 @@ extern class Krom {
 	static function readStorage(name: String): haxe.io.BytesData;
 
 	static function fileSaveBytes(path: String, bytes: haxe.io.BytesData): Void;
+	static function fileWriteBytes(path: String, bytes: haxe.io.BytesData, ?offset: Float, ?byteLength: Int): Void;
+	static function fileReadBytes(path: String, ?offset: Float, ?length: Int): haxe.io.BytesData;
+	static function fileSize(path: String): Float;
+	static function fileExists(path: String): Bool;
+	static function deleteFile(path: String): Void;
 	static function sysCommand(cmd: String, ?args: Array<String>): Int;
 	static function savePath(): String;
 	static function getArgCount(): Int;

leenkx/Shaders/bloom_pass/downsample_pass.frag.glsl

@@ -48,6 +48,10 @@ void main() {
 	}
 
 	if (currentMipLevel == 0) {
+		if (any(isnan(fragColor.rgb)) || any(isinf(fragColor.rgb))) {
+			fragColor.rgb = vec3(0.0);
+		}
+
 		// https://catlikecoding.com/unity/tutorials/advanced-rendering/bloom/#3.2
 		// https://catlikecoding.com/unity/tutorials/advanced-rendering/bloom/#3.4
 

leenkx/Shaders/compositor_pass/compositor_pass.frag.glsl

@@ -69,6 +69,7 @@ uniform vec4 PPComp15;
 uniform vec4 PPComp16;
 uniform vec4 PPComp18;
 uniform vec4 PPComp19;
+uniform vec4 PPComp20;
 #endif
 
 // #ifdef _CPos
@@ -499,14 +500,15 @@ void main() {
 
 #ifdef _CExposure
 	#ifdef _CPostprocess
-		fragColor.rgb+=fragColor.rgb*PPComp8.x;
+		fragColor.rgb *= pow(2.0, PPComp8.x);
 	#else
-		fragColor.rgb+= fragColor.rgb*compoExposureStrength;
+		fragColor.rgb *= pow(2.0, compoExposureStrength);
 	#endif
 #endif
 
 #ifdef _CPostprocess
 	fragColor.rgb *= ComputeEV(0.0);
+	fragColor.rgb *= pow(2.0, PPComp20.x); // exposure and gamma
 #endif
 
 #ifdef _AutoExposure
@@ -582,14 +584,16 @@ fragColor.rgb = min(fragColor.rgb, 65504 * 0.5);
 			fragColor.rgb = tonemapAgXFull(fragColor.rgb);
 		} //else { fragColor.rgb = vec3(0,1,0); //ERROR}
 	#endif
-
+#ifdef _CGamma
+	fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / PPComp20.y));
+#endif
 #else
 	#ifdef _CToneFilmic
 		fragColor.rgb = tonemapFilmic(fragColor.rgb); // With gamma
 	#endif
 	#ifdef _CToneFilmic2
 		fragColor.rgb = acesFilm(fragColor.rgb);
-		fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / 1.0));
+		fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / 2.2));
 	#endif
 	#ifdef _CToneReinhard
 		fragColor.rgb = tonemapReinhard(fragColor.rgb);
@@ -615,6 +619,10 @@ fragColor.rgb = min(fragColor.rgb, 65504 * 0.5);
 	#endif
 #endif
 
+#ifdef _CGamma
+	fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / compoGammaStrength));
+#endif
+
 #ifdef _CBW
 	// fragColor.rgb = vec3(clamp(dot(fragColor.rgb, fragColor.rgb), 0.0, 1.0));
 	fragColor.rgb = vec3((fragColor.r * 0.3 + fragColor.g * 0.59 + fragColor.b * 0.11) / 3.0) * 2.5;

leenkx/Shaders/deferred_light/deferred_light.frag.glsl

@@ -907,26 +907,10 @@ tileBounds = vec4(0.0, 0.0, 1.0, 1.0);
 					fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[li], p, n, cLightDir, lightPlane.y, shadowMapAtlas, sssColorCL, sssRadiusCL, tileBoundsSpotArray[li]);
 					#endif
 				#else
-					if (li == 0) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[0], p, n, cLightDir, lightPlane.y, shadowMapSpot[0], sssColorCL, sssRadiusCL
-						#ifdef _ShadowMapAtlas
-						, vec4(0.0, 0.0, 1.0, 1.0)
-						#endif
-					);
-					else if (li == 1) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[1], p, n, cLightDir, lightPlane.y, shadowMapSpot[1], sssColorCL, sssRadiusCL
-						#ifdef _ShadowMapAtlas
-						, vec4(0.0, 0.0, 1.0, 1.0)
-						#endif
-					);
-					else if (li == 2) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[2], p, n, cLightDir, lightPlane.y, shadowMapSpot[2], sssColorCL, sssRadiusCL
-						#ifdef _ShadowMapAtlas
-						, vec4(0.0, 0.0, 1.0, 1.0)
-						#endif
-					);
-					else if (li == 3) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[3], p, n, cLightDir, lightPlane.y, shadowMapSpot[3], sssColorCL, sssRadiusCL
-						#ifdef _ShadowMapAtlas
-						, vec4(0.0, 0.0, 1.0, 1.0)
-						#endif
-					);
+					if (li == 0) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[0], p, n, cLightDir, lightPlane.y, shadowMapSpot[0], sssColorCL, sssRadiusCL);
+					else if (li == 1) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[1], p, n, cLightDir, lightPlane.y, shadowMapSpot[1], sssColorCL, sssRadiusCL);
+					else if (li == 2) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[2], p, n, cLightDir, lightPlane.y, shadowMapSpot[2], sssColorCL, sssRadiusCL);
+					else if (li == 3) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[3], p, n, cLightDir, lightPlane.y, shadowMapSpot[3], sssColorCL, sssRadiusCL);
 				#endif
 			} else {
 				#ifdef _ShadowMapAtlas

leenkx/Shaders/deferred_light_mobile/deferred_light.frag.glsl

@@ -56,9 +56,15 @@ uniform vec2 cameraPlane;
 #ifdef _SinglePoint
 	#ifdef _Spot
 	//!uniform sampler2DShadow shadowMapSpot[1];
+	#ifdef _ShadowMapTransparent
+	//!uniform sampler2D shadowMapSpotTransparent[1];
+	#endif
 	//!uniform mat4 LWVPSpotArray[1];
 	#else
 	//!uniform samplerCubeShadow shadowMapPoint[1];
+	#ifdef _ShadowMapTransparent
+	//!uniform samplerCube shadowMapPointTransparent[1];
+	#endif
 	//!uniform vec2 lightProj;
 	#endif
 #endif
@@ -66,26 +72,41 @@ uniform vec2 cameraPlane;
 	#ifdef _ShadowMapAtlas
 		#ifdef _SingleAtlas
 		uniform sampler2DShadow shadowMapAtlas;
+		#ifdef _ShadowMapTransparent
+		uniform sampler2D shadowMapAtlasTransparent;
+		#endif
 		#endif
 	#endif
 	#ifdef _ShadowMapAtlas
 		#ifndef _SingleAtlas
 		//!uniform sampler2DShadow shadowMapAtlasPoint;
+		#ifdef _ShadowMapTransparent
+		//!uniform sampler2D shadowMapAtlasPointTransparent;
 		#endif
-		//!uniform vec4 pointLightDataArray[4];
+		#endif
+		//!uniform vec4 pointLightDataArray[maxLightsCluster * 6];
 	#else
 		//!uniform samplerCubeShadow shadowMapPoint[4];
+		#ifdef _ShadowMapTransparent
+		//!uniform samplerCube shadowMapPointTransparent[4];
+		#endif
 	#endif
 	//!uniform vec2 lightProj;
 	#ifdef _Spot
 		#ifdef _ShadowMapAtlas
 		#ifndef _SingleAtlas
 		//!uniform sampler2DShadow shadowMapAtlasSpot;
+		#ifdef _ShadowMapTransparent
+		//!uniform sampler2D shadowMapAtlasSpotTransparent;
+		#endif
 		#endif
 		#else
-		//!uniform sampler2DShadow shadowMapSpot[4];
+		//!uniform sampler2DShadow shadowMapSpot[maxLightsCluster];
+		#ifdef _ShadowMapTransparent
+		//!uniform sampler2D shadowMapSpotTransparent[maxLightsCluster];
 		#endif
-	//!uniform mat4 LWVPSpotArray[4];
+		#endif
+	//!uniform mat4 LWVPSpotArray[maxLightsCluster];
 	#endif
 #endif
 #endif
@@ -97,10 +118,16 @@ uniform vec3 sunCol;
 	#ifdef _ShadowMapAtlas
 	#ifndef _SingleAtlas
 	uniform sampler2DShadow shadowMapAtlasSun;
+	#ifdef _ShadowMapTransparent
+	uniform sampler2D shadowMapAtlasSunTransparent;
+	#endif
 	#endif
 	//!uniform vec4 tileBoundsSunArray[maxLights * shadowmapCascades];
 	#else
 	uniform sampler2DShadow shadowMap;
+	#ifdef _ShadowMapTransparent
+	uniform sampler2D shadowMapTransparent;
+	#endif
 	#endif
 	uniform float shadowsBias;
 	#ifdef _CSM
@@ -167,10 +194,11 @@ void main() {
 
 	vec4 g1 = textureLod(gbuffer1, texCoord, 0.0); // Basecolor.rgb, spec/occ
 	vec2 occspec = unpackFloat2(g1.a);
-	vec3 albedo = surfaceAlbedo(g1.rgb, metallic); // g1.rgb - basecolor
-	vec3 f0 = surfaceF0(g1.rgb, metallic);
+	vec3 basecolor = min(g1.rgb, vec3(2.0));
+	vec3 albedo = surfaceAlbedo(basecolor, metallic);
+	vec3 f0 = surfaceF0(basecolor, metallic);
 	#ifdef _ExtBRDF
-	f0 = mix(f0, min(g1.rgb, vec3(2.0)), vec3(matp6.y, matp6.z, matp6.w));
+	f0 = mix(f0, basecolor, vec3(matp6.y, matp6.z, matp6.w));
 	#endif
 
 	float depth = textureLod(gbufferD, texCoord, 0.0).r * 2.0 - 1.0;
@@ -206,7 +234,7 @@ void main() {
 	envl /= PI;
 	#endif
 #else
-	vec3 envl = vec3(1.0);
+	vec3 envl = vec3(0.0);
 #endif
 
 #ifdef _Rad
@@ -227,13 +255,23 @@ void main() {
 	#endif
 #endif
 
+#ifdef _Brdf
+	vec3 F = f0 * envBRDF.x + envBRDF.y;
+#else
+	vec3 F = f0;
+#endif
+
 	envl.rgb *= diffuseIBL(albedo, roughness, f0, dotNV);
 
+#ifdef _Brdf
+	envl.rgb *= 1.0 - F;
+#endif
+
 #ifdef _Rad // Indirect specular
-	envl.rgb += prefilteredColor * (f0 * envBRDF.x + envBRDF.y) * 1.5 * occspec.y;
+	envl.rgb += prefilteredColor * F;
 #else
 	#ifdef _EnvCol
-	envl.rgb += backgroundCol * surfaceF0(g1.rgb, metallic); // f0
+	envl.rgb += backgroundCol * F;
 	#endif
 #endif
 
@@ -281,7 +319,12 @@ void main() {
 	float transmittance = 1.0 - transF;
 	#ifdef _Rad
 	if (matp2.z > 0.0 && transmittance > 0.0) {
-		vec3 refrDir = transmissionIBLDirection(n, v, matp3.x);
+		vec3 refrDir;
+			if (matp3.y > 0.5) {
+				refrDir = reflect(-v, n);
+			} else {
+				refrDir = transmissionIBLDirection(n, v, matp3.x);
+			}
 		float transLod = getMipFromRoughness(matp2.w, envmapNumMipmaps);
 		vec3 transColor = textureLod(senvmapRadiance,
 			envMapEquirect(refrDir), transLod).rgb;
@@ -337,7 +380,7 @@ void main() {
 	float sdotNH = max(0.0, dot(n, sh));
 	float sdotVH = max(0.0, dot(v, sh));
 	float sdotNL = max(0.0, dot(n, sunDir));
-	float svisibility = 1.0;
+	vec3 svisibility = vec3(1.0);
 	#ifdef _Anisotropy
 	vec3 sdirect;
 	if (abs(matp0.x) > 0.001 && dot(wTangent, wTangent) > 0.001) {
@@ -385,29 +428,59 @@ void main() {
 		#ifdef _CSM
 			svisibility = shadowTestCascade(
 				#ifdef _ShadowMapAtlas
+					#ifdef _ShadowMapTransparent
+					#ifndef _SingleAtlas
+					shadowMapAtlasSun, shadowMapAtlasSunTransparent
+					#else
+					shadowMapAtlas, shadowMapAtlasTransparent
+					#endif
+					#else
 					#ifndef _SingleAtlas
 					shadowMapAtlasSun
 					#else
 					shadowMapAtlas
 					#endif
+					#endif
+				#else
+					#ifdef _ShadowMapTransparent
+					shadowMap, shadowMapTransparent
 					#else
 					shadowMap
 					#endif
-				, eye, p + n * shadowsBias * 10, shadowsBias
+				#endif
+				, eye, p + n * shadowsBias * 2, shadowsBias
+				#ifdef _ShadowMapTransparent
+				, false
+				#endif
 			);
 		#else
-			vec4 lPos = LWVP * vec4(p + n * shadowsBias * 100, 1.0);
+			vec4 lPos = LWVP * vec4(p + n * shadowsBias * 2, 1.0);
 			if (lPos.w > 0.0) svisibility = shadowTest(
 				#ifdef _ShadowMapAtlas
+					#ifdef _ShadowMapTransparent
+					#ifndef _SingleAtlas
+					shadowMapAtlasSun, shadowMapAtlasSunTransparent
+					#else
+					shadowMapAtlas, shadowMapAtlasTransparent
+					#endif
+					#else
 					#ifndef _SingleAtlas
 					shadowMapAtlasSun
 					#else
 					shadowMapAtlas
 					#endif
+					#endif
+				#else
+					#ifdef _ShadowMapTransparent
+					shadowMap, shadowMapTransparent
 					#else
 					shadowMap
 					#endif
+				#endif
 				, lPos.xyz / lPos.w, shadowsBias
+				#ifdef _ShadowMapTransparent
+				, false
+				#endif
 			);
 		#endif
 	#endif
@@ -415,11 +488,18 @@ void main() {
 	fragColor.rgb += sdirect * svisibility * sunCol;
 #endif
 
+#ifdef _ShadowMapAtlas
+tileBounds = vec4(0.0, 0.0, 1.0, 1.0);
+#endif
+
 #ifdef _SinglePoint
 	fragColor.rgb += sampleLight(
 		p, n, v, dotNV, pointPos, pointCol, albedo, roughness, occspec.y, f0
 		#ifdef _ShadowMap
 			, 0, pointBias, true
+		#ifdef _ShadowMapTransparent
+			, false
+		#endif
 		#endif
 		#ifdef _Spot
 		, true, spotData.x, spotData.y, spotDir, spotData.zw, spotRight  // TODO: Test!
@@ -472,12 +552,15 @@ void main() {
 			#ifdef _ShadowMap
 				// light index, shadow bias, cast_shadows
 				, li, lightsArray[li * 3 + 2].x, lightsArray[li * 3 + 2].z != 0.0
+			#ifdef _ShadowMapTransparent
+				, false
+			#endif
 			#endif
 			#ifdef _Spot
 			, lightsArray[li * 3 + 2].y != 0.0
 			, lightsArray[li * 3 + 2].y // spot size (cutoff)
-			, lightsArraySpot[li].w // spot blend (exponent)
-			, lightsArraySpot[li].xyz // spotDir
+			, lightsArraySpot[li * 2].w // spot blend (exponent)
+			, lightsArraySpot[li * 2].xyz // spotDir
 			, vec2(lightsArray[li * 3].w, lightsArray[li * 3 + 1].w) // scale
 			, lightsArraySpot[li * 2 + 1].xyz // right
 			#endif

leenkx/Shaders/deferred_light_mobile/deferred_light_mobile.json

@@ -122,11 +122,6 @@
 					"link": "_inverseViewProjectionMatrixRight",
 					"ifdef": ["_VRStereo"]
 				},
-				{
-					"name": "invVP",
-					"link": "_viewProjectionMatrix",
-					"ifdef": ["_SSRS"]
-				},
 				{
 					"name": "smSizeUniform",
 					"link": "_shadowMapSize",
@@ -137,14 +132,6 @@
 					"link": "_lightPlane",
 					"ifdef": ["_SSS"]
 				},
-				{
-					"name": "VP",
-					"link": "_viewProjectionMatrix",
-					"ifdef": ["_SSRS"]
-				},
-				{
-					"ifdef": ["_SMSizeUniform"]
-				},
 				{
 					"name": "lightProj",
 					"link": "_lightPlaneProj",

leenkx/Shaders/std/light_mobile.glsl

@@ -14,15 +14,24 @@
 	#ifdef _SinglePoint
 		#ifdef _Spot
 		uniform sampler2DShadow shadowMapSpot[1];
+		#ifdef _ShadowMapTransparent
+		uniform sampler2D shadowMapSpotTransparent[1];
+		#endif
 		uniform mat4 LWVPSpotArray[1];
 		#else
 		uniform samplerCubeShadow shadowMapPoint[1];
+		#ifdef _ShadowMapTransparent
+		uniform samplerCube shadowMapPointTransparent[1];
+		#endif
 		uniform vec2 lightProj;
 		#endif
 	#endif
 	#ifdef _Clusters
 		#ifdef _SingleAtlas
 		//!uniform sampler2DShadow shadowMapAtlas;
+		#ifdef _ShadowMapTransparent
+		//!uniform sampler2D shadowMapAtlasTransparent;
+		#endif
 		#endif
 		#ifndef _SinglePoint
 		uniform vec2 lightProj;
@@ -30,17 +39,29 @@
 		#ifdef _ShadowMapAtlas
 		#ifndef _SingleAtlas
 		uniform sampler2DShadow shadowMapAtlasPoint;
+		#ifdef _ShadowMapTransparent
+		uniform sampler2D shadowMapAtlasPointTransparent;
+		#endif
 		#endif
 		#else
 		uniform samplerCubeShadow shadowMapPoint[4];
+		#ifdef _ShadowMapTransparent
+		uniform samplerCube shadowMapPointTransparent[4];
+		#endif
 		#endif
 		#ifdef _Spot
 			#ifdef _ShadowMapAtlas
 			#ifndef _SingleAtlas
 			uniform sampler2DShadow shadowMapAtlasSpot;
+			#ifdef _ShadowMapTransparent
+			uniform sampler2D shadowMapAtlasSpotTransparent;
+			#endif
 			#endif
 			#else
 			uniform sampler2DShadow shadowMapSpot[maxLightsCluster];
+			#ifdef _ShadowMapTransparent
+			uniform sampler2D shadowMapSpotTransparent[maxLightsCluster];
+			#endif
 			#endif
 			uniform mat4 LWVPSpotArray[maxLightsCluster];
 		#endif
@@ -51,6 +72,9 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 	const vec3 albedo, const float rough, const float spec, const vec3 f0
 	#ifdef _ShadowMap
 		, int index, float bias, bool receiveShadow
+	#ifdef _ShadowMapTransparent
+		, bool transparent
+	#endif
 	#endif
 	#ifdef _Spot
 		, bool isSpot, float spotSize, float spotBlend, vec3 spotDir, vec2 scale, vec3 right
@@ -122,25 +146,76 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 			if (receiveShadow) {
 				#ifdef _SinglePoint
 			vec4 lPos = LWVPSpotArray[0] * vec4(p + n * bias * 10, 1.0);
-				direct *= shadowTest(shadowMapSpot[0], lPos.xyz / lPos.w, bias);
+			direct *= shadowTest(shadowMapSpot[0],
+				#ifdef _ShadowMapTransparent
+				shadowMapSpotTransparent[0],
+				#endif
+				lPos.xyz / lPos.w, bias
+				#ifdef _ShadowMapTransparent
+				, transparent
+				#endif
+				);
 				#endif
 				#ifdef _Clusters
 					vec4 lPos = LWVPSpotArray[index] * vec4(p + n * bias * 10, 1.0);
 					#ifdef _ShadowMapAtlas
 					tileBounds = tileBoundsSpotArray[index];
 					direct *= shadowTest(
+						#ifdef _ShadowMapTransparent
+						#ifndef _SingleAtlas
+						shadowMapAtlasSpot, shadowMapAtlasSpotTransparent
+						#else
+						shadowMapAtlas, shadowMapAtlasTransparent
+						#endif
+						#else
 						#ifndef _SingleAtlas
 						shadowMapAtlasSpot
 						#else
 						shadowMapAtlas
 						#endif
+						#endif
 						, lPos.xyz / lPos.w, bias
+						#ifdef _ShadowMapTransparent
+						, transparent
+						#endif
 					);
 				#else
-							 if (index == 0) direct *= shadowTest(shadowMapSpot[0], lPos.xyz / lPos.w, bias);
-						else if (index == 1) direct *= shadowTest(shadowMapSpot[1], lPos.xyz / lPos.w, bias);
-						else if (index == 2) direct *= shadowTest(shadowMapSpot[2], lPos.xyz / lPos.w, bias);
-						else if (index == 3) direct *= shadowTest(shadowMapSpot[3], lPos.xyz / lPos.w, bias);
+							 if (index == 0) direct *= shadowTest(shadowMapSpot[0],
+							#ifdef _ShadowMapTransparent
+							shadowMapSpotTransparent[0],
+							#endif
+							lPos.xyz / lPos.w, bias
+							#ifdef _ShadowMapTransparent
+							, transparent
+							#endif
+							);
+					else if (index == 1) direct *= shadowTest(shadowMapSpot[1],
+							#ifdef _ShadowMapTransparent
+							shadowMapSpotTransparent[1],
+							#endif
+							lPos.xyz / lPos.w, bias
+							#ifdef _ShadowMapTransparent
+							, transparent
+							#endif
+							);
+					else if (index == 2) direct *= shadowTest(shadowMapSpot[2],
+							#ifdef _ShadowMapTransparent
+							shadowMapSpotTransparent[2],
+							#endif
+							lPos.xyz / lPos.w, bias
+							#ifdef _ShadowMapTransparent
+							, transparent
+							#endif
+							);
+					else if (index == 3) direct *= shadowTest(shadowMapSpot[3],
+							#ifdef _ShadowMapTransparent
+							shadowMapSpotTransparent[3],
+							#endif
+							lPos.xyz / lPos.w, bias
+							#ifdef _ShadowMapTransparent
+							, transparent
+							#endif
+							);
 					#endif
 				#endif
 			}
@@ -154,24 +229,75 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 		if (receiveShadow) {
 			#ifdef _SinglePoint
 		#ifndef _Spot
-			direct *= PCFCube(shadowMapPoint[0], ld, -l, bias, lightProj, n);
+		direct *= PCFCube(shadowMapPoint[0],
+			#ifdef _ShadowMapTransparent
+			shadowMapPointTransparent[0],
+			#endif
+			ld, -l, bias, lightProj, n
+			#ifdef _ShadowMapTransparent
+			, transparent
+			#endif
+			);
 		#endif
 		#endif
 			#ifdef _Clusters
 				#ifdef _ShadowMapAtlas
 			direct *= PCFFakeCube(
+				#ifdef _ShadowMapTransparent
+				#ifndef _SingleAtlas
+				shadowMapAtlasPoint, shadowMapAtlasPointTransparent
+				#else
+				shadowMapAtlas, shadowMapAtlasTransparent
+				#endif
+				#else
 				#ifndef _SingleAtlas
 				shadowMapAtlasPoint
 				#else
 				shadowMapAtlas
 				#endif
+				#endif
 				, ld, -l, bias, lightProj, n, index
+				#ifdef _ShadowMapTransparent
+				, transparent
+				#endif
 			);
 			#else
-					 if (index == 0) direct *= PCFCube(shadowMapPoint[0], ld, -l, bias, lightProj, n);
-				else if (index == 1) direct *= PCFCube(shadowMapPoint[1], ld, -l, bias, lightProj, n);
-				else if (index == 2) direct *= PCFCube(shadowMapPoint[2], ld, -l, bias, lightProj, n);
-				else if (index == 3) direct *= PCFCube(shadowMapPoint[3], ld, -l, bias, lightProj, n);
+					 if (index == 0) direct *= PCFCube(shadowMapPoint[0],
+					#ifdef _ShadowMapTransparent
+					shadowMapPointTransparent[0],
+					#endif
+					ld, -l, bias, lightProj, n
+					#ifdef _ShadowMapTransparent
+					, transparent
+					#endif
+					);
+			else if (index == 1) direct *= PCFCube(shadowMapPoint[1],
+					#ifdef _ShadowMapTransparent
+					shadowMapPointTransparent[1],
+					#endif
+					ld, -l, bias, lightProj, n
+					#ifdef _ShadowMapTransparent
+					, transparent
+					#endif
+					);
+			else if (index == 2) direct *= PCFCube(shadowMapPoint[2],
+					#ifdef _ShadowMapTransparent
+					shadowMapPointTransparent[2],
+					#endif
+					ld, -l, bias, lightProj, n
+					#ifdef _ShadowMapTransparent
+					, transparent
+					#endif
+					);
+			else if (index == 3) direct *= PCFCube(shadowMapPoint[3],
+					#ifdef _ShadowMapTransparent
+					shadowMapPointTransparent[3],
+					#endif
+					ld, -l, bias, lightProj, n
+					#ifdef _ShadowMapTransparent
+					, transparent
+					#endif
+					);
 				#endif
 			#endif
 		}
@@ -186,6 +312,9 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 	const vec3 albedo, const float rough, const float spec, const vec3 f0
 	#ifdef _ShadowMap
 		, int index, float bias, bool receiveShadow
+	#ifdef _ShadowMapTransparent
+		, bool transparent
+	#endif
 	#endif
 	#ifdef _Spot
 		, bool isSpot, float spotSize, float spotBlend, vec3 spotDir, vec2 scale, vec3 right
@@ -194,6 +323,9 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 	return sampleLight(p, n, v, dotNV, lp, lightCol, albedo, rough, spec, f0
 		#ifdef _ShadowMap
 			, index, bias, receiveShadow
+		#ifdef _ShadowMapTransparent
+			, transparent
+		#endif
 		#endif
 		#ifdef _Spot
 			, isSpot, spotSize, spotBlend, spotDir, scale, right

leenkx/Shaders/water_pass/water_pass.frag.glsl

@@ -151,6 +151,7 @@ void main() {
 	}
 
 	// Displace surface
+	float geomZ = p.z; // undisplaced depth for foam/fog tests
 	p.z += (sin(p.x * 10.0 / waterDisplace + speed) * cos(p.y * 10.0 / waterDisplace + speed)
 	      + sin(p.x * 20.0 / waterDisplace + speed * 1.3) * cos(p.y * 20.0 / waterDisplace + speed * 1.3) * 0.5)
 	      / 50.0 * waterDisplace;
@@ -227,15 +228,19 @@ void main() {
 	// Blinn-Phong specular using half-vector, faded at horizon
 	vec3 h = normalize(v + ld);
 	float specAmount = pow(max(dot(n2, h), 0.0), 200.0) * (200.0 + 8.0) / (PI * 8.0);
-	fragColor.rgb += specAmount * (isSky ? 0.3 : 1.0) * horizonFactor;
+	fragColor.rgb += specAmount * (isSky ? 0.3 : 1.0);
 	// Depth fog - blend toward waterColor with depth, faded at horizon
-	float depthFog = clamp(-(p.z - waterLevel) * waterDensity, 0.0, 0.9);
+	float depthFog = clamp(-(geomZ - waterLevel) * waterDensity, 0.0, 0.9);
 	fragColor.rgb = mix(fragColor.rgb, waterColor, depthFog * horizonFactor);
 	// Alpha fades smoothly at horizon instead of hard cut
-	fragColor.a = isSky ? horizonFactor : clamp(abs(p.z - waterLevel) * 5.0, 0.0, 1.0);
+	// Skydome sits 3.5 below the camera (_skydomeMatrix), so its horizon
+	// appears where the ray z reaches -3.5 / domeRadius
+	float farPlane = cameraProj.y / (1.0 - cameraProj.x);
+	float horizonFade = clamp((-3.5 / (farPlane * 0.95) - vray.z) * 20.0, 0.0, 1.0);
+	fragColor.a = isSky ? horizonFade : clamp(abs(geomZ - waterLevel) * 5.0, 0.0, 1.0);
 
 	// Foam - based on actual geometry depth below water surface
-	float fd = isSky ? 1.0 : abs(p.z - waterLevel);
+	float fd = isSky ? 1.0 : abs(geomZ - waterLevel);
 	if (fd < 0.1) {
 		// Based on foam by Owen Deery
 		// http://fire-face.com/personal/water

leenkx/Shaders/water_pass/water_pass.json

@@ -34,7 +34,7 @@
 				},
 				{
 					"name": "ld",
-					"link": "_lightDirection"
+					"link": "_sunDirection"
 				},
 				{
 					"name": "invVP",

leenkx/Sources/iron/RenderPath.hx

@@ -908,7 +908,9 @@ class RenderPath {
 		#end
 
 		Data.getShader(shaderPath[0], shaderPath[1], function(res: ShaderData) {
+			if (res != null) {
 				cc.context = res.getContext(shaderPath[2]);
+			}
 			loading--;
 		});
 	}

leenkx/Sources/iron/data/ShaderData.hx

@@ -55,6 +55,7 @@ class ShaderData {
 			if (raw == null) {
 				trace('Shader data "$name" not found!');
 				done(null);
+				return;
 			}
 			new ShaderData(raw, done, overrideContext);
 		});

leenkx/Sources/iron/object/LightObject.hx

@@ -90,8 +90,16 @@ class LightObject extends Object {
 
 		#if lnx_spot
 		if (data.raw.type == "spot"){
-			this.size = data.raw.spot_size;
-			this.blend = data.raw.spot_blend;
+			this.size = 0.0;
+			this.blend = 0.0;
+			if (data.raw.spot_size != null) {
+				var s: kha.FastFloat = data.raw.spot_size;
+				this.size = s;
+			}
+			if (data.raw.spot_blend != null) {
+				var b: kha.FastFloat = data.raw.spot_blend;
+				this.blend = b;
+			}
 		}
 		#end
 

leenkx/Sources/leenkx/logicnode/AddTorrentNode.hx

@@ -1,79 +0,0 @@
-package leenkx.logicnode;
-import leenkx.system.Event;
-#if js
-import leenkx.network.Leenkx;
-#end
-import iron.object.Object;
-
-class AddTorrentNode extends LogicNode {
-  public var title: String;
-  public var values: Array<Dynamic>;
-  public var net_Url: String;
-  public var data: Dynamic;
-	public var runner: Bool = false;
-
-
-	public function new(tree:LogicTree) {
-			super(tree);
-	}
-
-	public function promiseResult(connection,torrentid,net_Url){
-			#if js
-			if (runner == false){
-				values = [];
-				var script = 'var torrentId = "' + torrentid + '";
-				lx_' + net_Url +'.wt.add(torrentId, function (torrent) {
-					leenkx.network.Leenkx.torrent.set("' + net_Url +'", torrent.files);
-				  torrent.on("done", function () {
-				  	leenkx.network.Leenkx.connections.h["' + net_Url +'"].ontorrentdone();
-		  		})
-				});
-				';	
-				js.Syntax.code('(1, eval)({0})', script.toString());
-				runner = true;
-				promiseResult(connection,torrentid,net_Url);
-				return;
-			}else{ 
-					try{ 
-					  values = leenkx.network.Leenkx.torrent.get(net_Url);
-					  if(values.length > 0){
- 							runOutput(0);
- 							runner = false;
- 							return;
-					  }
-					}
-					catch(error){
-						haxe.Timer.delay(function () {
-		   					promiseResult(connection,torrentid,net_Url);
-		   					return;
-						}, 100);
-					}
-		}
-	#end
-	}
-
-
-	override function run(from:Int) {
-			var connection = inputs[1].get();
-			if (connection == null) return;			
-			var torrentid = inputs[2].get();
-			if (torrentid == null) return;
-			#if js	
-			net_Url = connection._url;
-			promiseResult(connection,torrentid,net_Url);
-			#end
-	}
-
-	override function get(from: Int): Dynamic {
-				#if js
-        return switch (from) {
-					case 1: Leenkx.id.get(net_Url);
-					case 2: leenkx.network.Leenkx.torrent.get(net_Url);
-          default: throw "Unreachable";
-        }
-        #else
-        return null;
-        #end
-    }
-
-}

leenkx/Sources/leenkx/logicnode/CreateLeenkxNode.hx

@@ -1,17 +1,21 @@
 package leenkx.logicnode;
 import iron.object.Object;
-#if js
 import leenkx.network.Types;
-import leenkx.network.Util;
+#if lnx_torrent
 import leenkx.network.Leenkx;
+import leenkx.network.torrent.LeenkxClient;
+import leenkx.network.torrent.TorrentClient;
+import leenkx.network.torrent.peer.RtcPeerPool;
 #end
 import leenkx.system.Event;
 
 
 class CreateLeenkxNode extends LogicNode {
+	public var property0: String;
+	public var property1: Bool;
+	public var property2: String;
+	public var property3: String;
 	public var net_Url: String;
-	public var data: Dynamic;
-	public var client: Dynamic;
 	public var value: String;
 	public var listener: TEvent = null;
 
@@ -20,112 +24,145 @@ class CreateLeenkxNode extends LogicNode {
 	}
 
 	override function run(from:Int) {
-			#if js
+		#if lnx_torrent
 		net_Url = inputs[1].get();
 		if (net_Url == null) return;
 		if (Leenkx.connections[net_Url] == null) {
-					var object = tree.object;
 			value = Leenkx.onLoadEvent;
 			listener = Event.add(value, onEvent, tree.object.uid);
-					client = new leenkx.network.Leenkx(net_Url, object);   
-
-			} else {
-					return;
+			new leenkx.network.Leenkx(net_Url, tree.object);
 		}
 		#end
 	}
 
 	function onEvent() {
-		#if js
-		var lnxjs:Dynamic = js.Lib.global;
-		var lnxCxNew = lnxjs.lnxNew;
-		
-		if (lnxCxNew == null) {
-			trace("ERROR: lnxNew not available");
+		if (listener != null) {
+			Event.removeListener(listener);
+			listener = null;
+		}
+		#if lnx_torrent
+		var sock = Leenkx.connections[net_Url];
+		if (sock == null) return;
+		if (sock.client != null) {
+			runOutput(0);
 			return;
 		}
+		var opts:leenkx.network.torrent.Types.LeenkxOptions = {deferJoin: true};
+		var nextInput = 2;
+		if (property0 == "datachannel") {
+			opts.transport = "datachannel";
+			var imode = property2 != null ? property2 : "inherit";
+			if (imode != "inherit") {
+				if (inputs.length > nextInput) {
+					var ice = TorrentClient.trackerUrls(inputs[nextInput].get());
+					if (ice != null) {
+						opts.iceServers = imode == "override" ? ice : RtcPeerPool.defaultIceServers.concat(ice);
+					}
+				}
+				nextInput++;
+			}
+		}
+		var tmode = property3 != null ? property3 : "inherit";
+		var trackers:Array<String> = null;
+		if (tmode != "inherit" && inputs.length > nextInput) {
+			trackers = TorrentClient.trackerUrls(inputs[nextInput].get());
+		}
+		opts.announce = tmode == "override" && trackers != null ? trackers
+			: trackers != null ? TorrentClient.defaultTrackers.concat(trackers)
+			: TorrentClient.defaultTrackers;
+		var lnxCn = new LeenkxClient(net_Url, opts);
+		lnxCn.isRelay = property1 == true;
 
-		var lnxCn:Dynamic = lnxCxNew(net_Url);
+		lnxCn.onOpen = function() {
+			Leenkx.data.set(net_Url, lnxCn.lastPeerCount);
+			Leenkx.id.set(net_Url, lnxCn.lastPeerId);
+			sock.onopen();
+		};
+		lnxCn.onConnections = function(c) {
+			Leenkx.data.set(net_Url, c + 1);
+			sock.onconnections();
+		};
+		lnxCn.onMessage = function(address, message, nonce) {
+			Leenkx.data.set(net_Url, message);
+			Leenkx.id.set(net_Url, address);
+			sock.onmessage();
+		};
+		lnxCn.onSeen = function(address) {
+			Leenkx.id.set(net_Url, address);
+			sock.onseen();
+		};
+		lnxCn.onLeft = function(address) {
+			Leenkx.id.set(net_Url, address);
+			sock.onleft();
+		};
+		lnxCn.onServer = function(address) {
+			Leenkx.id.set(net_Url, address);
+			sock.onserver();
+		};
+		lnxCn.onPing = function(address) {
+			Leenkx.id.set(net_Url, address);
+			sock.onping();
+		};
+		lnxCn.onTimeout = function(address) {
+			Leenkx.id.set(net_Url, address);
+			sock.ontimeout();
+		};
+		lnxCn.onWireLeft = function(wirecount, wire) {
+			Leenkx.data.set(net_Url, wirecount);
+			if (wire != null && wire.peerId != null) {
+				Leenkx.id.set(net_Url, wire.peerId);
+			}
+			sock.onwireleft();
+		};
+		lnxCn.onWireSeen = function(wirecount, wire) {
+			Leenkx.data.set(net_Url, wirecount);
+			if (wire != null && wire.peerId != null) {
+				Leenkx.id.set(net_Url, wire.peerId);
+			}
+			sock.onwireseen();
+		};
+		lnxCn.onTorrent = function(identifier, torrent) {
+			Leenkx.data.set(net_Url, torrent);
+			Leenkx.id.set(net_Url, identifier);
+			sock.ontorrent();
+		};
+		lnxCn.onTracker = function(identifier, tracker) {
+			Leenkx.id.set(net_Url, identifier);
+			sock.ontracker();
+		};
+		lnxCn.onAnnounce = function(identifier) {
+			Leenkx.id.set(net_Url, identifier);
+			sock.onannounce();
+		};
+		lnxCn.onError = function(msg) {
+			Leenkx.data.set(net_Url, msg);
+			sock.onerror();
+		};
+		lnxCn.onTorrentAdded = function(t) {
+			Leenkx.torrent.set(net_Url, t);
+			Leenkx.file.set(net_Url, t.files);
+			Leenkx.data.set(net_Url, t);
+			sock.ontorrentadded();
+		};
+		lnxCn.onTorrentDone = function(t) {
+			Leenkx.data.set(net_Url, t);
+			sock.ontorrentdone();
+		};
 
-		lnxCn.on("connections", function(c) {
-			leenkx.network.Leenkx.data.set(net_Url, c + 1);
-			leenkx.network.Leenkx.connections[net_Url].onconnections();
-		});
-		lnxCn.on("message", function(address, message) {
-			leenkx.network.Leenkx.data.set(net_Url, message);
-			leenkx.network.Leenkx.id.set(net_Url, address);
-			leenkx.network.Leenkx.connections[net_Url].onmessage();
-		});
-		lnxCn.on("seen", function(address) {
-			leenkx.network.Leenkx.id.set(net_Url, address);
-			leenkx.network.Leenkx.connections[net_Url].onseen();
-		});
-		lnxCn.on("left", function(address) {
-			leenkx.network.Leenkx.id.set(net_Url, address);
-			leenkx.network.Leenkx.connections[net_Url].onleft();
-		});
-		lnxCn.on("server", function(address) {
-			leenkx.network.Leenkx.id.set(net_Url, address);
-			leenkx.network.Leenkx.connections[net_Url].onserver();
-		});
-		lnxCn.on("ping", function(address) {
-			leenkx.network.Leenkx.id.set(net_Url, address);
-			leenkx.network.Leenkx.connections[net_Url].onping();
-		});
-		lnxCn.on("timeout", function(address) {
-			leenkx.network.Leenkx.id.set(net_Url, address);
-			leenkx.network.Leenkx.connections[net_Url].ontimeout();
-		});
-		lnxCn.on("rpc", function(address, call, args, nonce) {
-			leenkx.network.Leenkx.data.set(net_Url, call);
-			leenkx.network.Leenkx.id.set(net_Url, address);
-			call(args);
-			leenkx.network.Leenkx.connections[net_Url].onrpc();
-		});
-		lnxCn.on("rpc-response", function(address, nonce, response) {
-			leenkx.network.Leenkx.id.set(net_Url, address);
-			leenkx.network.Leenkx.connections[net_Url].onrpcresponse();
-		});
-		lnxCn.on("wireleft", function(wirecount, wire) {
-			leenkx.network.Leenkx.data.set(net_Url, wirecount);
-			leenkx.network.Leenkx.id.set(net_Url, wire.peerId);
-			leenkx.network.Leenkx.connections[net_Url].onwireleft();
-		});
-		lnxCn.on("wireseen", function(wirecount, wire) {
-			leenkx.network.Leenkx.data.set(net_Url, wirecount);
-			leenkx.network.Leenkx.id.set(net_Url, wire.peerId);
-			leenkx.network.Leenkx.connections[net_Url].onwireseen();
-		});
-		lnxCn.on("torrent", function(identifier, torrent) {
-			leenkx.network.Leenkx.data.set(net_Url, torrent);
-			leenkx.network.Leenkx.id.set(net_Url, identifier);
-			leenkx.network.Leenkx.connections[net_Url].ontorrent();
-		});
-		lnxCn.on("tracker", function(identifier) {
-			leenkx.network.Leenkx.id.set(net_Url, identifier);
-			leenkx.network.Leenkx.connections[net_Url].ontracker();
-		});
-		lnxCn.on("announce", function(identifier) {
-			leenkx.network.Leenkx.id.set(net_Url, identifier);
-			leenkx.network.Leenkx.connections[net_Url].onannounce();
-		});
+		sock.client = lnxCn;
 
-		Reflect.setField(lnxjs, "lnx_" + net_Url, lnxCn);
-		Leenkx.connections[net_Url].client = lnxCn;
-		
-		var script = 'globalThis.addEventListener("beforeunload", function (e) {
-			leenkx.network.Leenkx.connections.h["' + net_Url + '"].client.destroy();  
-			delete e["returnValue"]; 
-		});';
-		js.Syntax.code('(1, eval)({0})', script);
-		
-		runOutput(0);
+		lnxCn.connect();
+		#if (js && !kha_krom)
+		js.Browser.window.addEventListener("beforeunload", function(e) {
+			lnxCn.destroy();
+		});
 		#end
+		#end
+		runOutput(0);
 	}
 
-
 	override function get(from: Int): Dynamic {
-	    #if js
+	    #if lnx_torrent
 	    return switch (from) {
         	case 1: Leenkx.connections[net_Url];
         	case 2: Leenkx.id.get(net_Url);

leenkx/Sources/leenkx/logicnode/CreateTorrentNode.hx

@@ -1,43 +1,100 @@
 package leenkx.logicnode;
-import leenkx.system.Event;
+#if lnx_torrent
 import leenkx.network.Leenkx;
-import iron.object.Object;
+import leenkx.network.torrent.Magnet;
+import leenkx.network.torrent.TorrentClient;
+#end
+
 
 class CreateTorrentNode extends LogicNode {
-  public var torrent: Dynamic;
-  public var net_Url: String;
+	public var meta:Dynamic;
+	public var metaBytes:Dynamic;
+	public var magnetUri:Dynamic;
+	public var infoHashHex:String;
+	public var property0:String; 
+	public var property1:String;
 
 	public function new(tree:LogicTree) {
 		super(tree);
 	}
 
 	override function run(from:Int) {
+		#if lnx_torrent
+		meta = null;
+		metaBytes = null;
+		magnetUri = null;
+		infoHashHex = null;
 
-		var connection = inputs[1].get();
-		if (connection == null) return;			
-		var data = inputs[2].get();
+		var data = inputs[1].get();
 		if (data == null) return;
-		net_Url = connection._url;
+		var mode = property1 != null ? property1 : "file";
+		var opts:Dynamic = {};
+		var mv = property0 != null ? Std.parseInt(property0) : null;
+		if (mv != null) Reflect.setField(opts, "metaVersion", mv);
+		field(2, opts, "name");
+		field(3, opts, "comment");
+		field(4, opts, "createdBy");
+		field(5, opts, "source");
+		field(6, opts, "announce");
+		field(7, opts, "private");
+		field(8, opts, "pieceLength");
+		field(9, opts, "urlList");
 
-		var script = 'var file = ' + data + ';
-		lx_' + net_Url +'.wt.add(file, function (torrent) {
-			leenkx.network.Leenkx.file.set("' + net_Url +'", torrent.files);
-		  torrent.on("done", function () {
-		  	leenkx.network.Leenkx.connections.h["' + net_Url +'"].ontorrentdone();
-  		});
-		});
-		';
+		if (mode == "folder") {
+			#if sys
+			data = TorrentClient.readFolder(Std.string(data));
+			var first:Dynamic = data[0];
+			if (first != null && Reflect.field(opts, "name") == null) {
+				var p = Std.string(first.path);
+				var i = p.indexOf("/");
+				Reflect.setField(opts, "name", p.substring(0, i >= 0 ? i : p.length));
+			}
+			#else
+			trace("Folder mode requires a sys target";
+			#end
+		}
 
-		js.Syntax.code('(1, eval)({0})', script.toString());
+		var m;
+		try {
+			m = TorrentClient.buildMeta(data, opts);
+		} catch(e:Dynamic) {
+			trace(e);
+			return;
+		}
+		meta = m;
+		metaBytes = m.toTorrentBytes();
+		infoHashHex = m.infoHashHex != null ? m.infoHashHex : m.infoHashV2Hex;
+		magnetUri = Magnet.build(m.infoHash, m.name, m.announce, m.urlList, m.infoHashV2);
+		#end
 		runOutput(0);
 	}
 
+	#if lnx_torrent
+	function field(i:Int, opts:Dynamic, name:String):Void {
+		if (i >= inputs.length) return;
+		var v:Dynamic = inputs[i].get();
+		if (v == null || Std.string(v) == "") {
+			return;
+		}
+		if (name == "announce") {
+			v = TorrentClient.trackerUrls(v);
+			if (v == null) return;
+		}
+		Reflect.setField(opts, name, v);
+	}
+	#end
 
 	override function get(from:Int):Dynamic {
+		#if lnx_torrent
 		return switch (from) {
-					case 1: Leenkx.file.get(net_Url);
+			case 1: meta;
+			case 2: metaBytes;
+			case 3: infoHashHex;
+			case 4: magnetUri;
 			default: throw "Unreachable";
 		}
+		#else
+		return null;
+		#end
 	}
-
 }

leenkx/Sources/leenkx/logicnode/CreateTrackerNode.hx

@@ -0,0 +1,88 @@
+package leenkx.logicnode;
+#if (lnx_torrent && (sys || kha_krom))
+import leenkx.network.torrent.tracker.HttpTracker.HttpTrackerServer;
+import leenkx.network.torrent.tracker.UdpTracker.UdpTrackerServer;
+import leenkx.network.torrent.transport.WsTrackerClient.WsTrackerServer;
+#end
+#if (lnx_torrent && sys)
+import leenkx.network.torrent.transport.WsTrackerClient.WssTrackerServer;
+#end
+
+class CreateTrackerNode extends LogicNode {
+	public var property0:String;
+	public var tracker:Dynamic;
+	public var url:String;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run(from:Int) {
+		tracker = null;
+		url = null;
+		startServer();
+		runOutput(0);
+	}
+
+	function startServer():Void {
+		#if (lnx_torrent && (sys || kha_krom))
+		var hv = inputs[1].get();
+		var host = hv != null ? Std.string(hv) : "127.0.0.1";
+		if (host == "") host = "127.0.0.1";
+		var pv = inputs[2].get();
+		var port = pv != null ? Std.int(Std.parseFloat(Std.string(pv))) : 0;
+		if (port <= 0) port = 6969;
+		var scheme = property0 != null ? property0 : "udp";
+		switch (scheme) {
+			case "http":
+				var s = new HttpTrackerServer();
+				s.onError = function(e) trace(e);
+				s.start(port);
+				tracker = s;
+				url = "http://" + host + ":" + port + "/announce";
+			case "ws":
+				var s = new WsTrackerServer(host, port);
+				s.onError = function(e) trace(e);
+				s.start();
+				tracker = s;
+				url = "ws://" + host + ":" + port;
+			case "wss":
+				#if sys
+				var cert = inputs.length > 3 ? Std.string(inputs[3].get()) : null;
+				var key = inputs.length > 4 ? Std.string(inputs[4].get()) : null;
+				if (cert == null || cert == "" || key == null || key == "") {
+					trace("wss server needs Cert File and Key File");
+					return;
+				}
+				var s = new WssTrackerServer(host, port, cert, key);
+				s.onError = function(e) trace(e);
+				s.start();
+				tracker = s;
+				url = "wss://" + host + ":" + port;
+				#else
+				trace("wss server requires a sys target");
+				#end
+			default:
+				var s = new UdpTrackerServer();
+				s.onError = function(e) trace(e);
+				s.start(port);
+				tracker = s;
+				url = "udp://" + host + ":" + port;
+		}
+		#else
+		trace("server mode needs a sys or krom target");
+		#end
+	}
+
+	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		return switch (from) {
+			case 1: tracker;
+			case 2: url;
+			default: throw "Unreachable";
+		}
+		#else
+		return null;
+		#end
+	}
+}

leenkx/Sources/leenkx/logicnode/DownloadTorrentNode.hx

@@ -0,0 +1,101 @@
+package leenkx.logicnode;
+import leenkx.system.Event;
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.TorrentClient;
+#end
+
+class DownloadTorrentNode extends LogicNode {
+	public var net_Url:String;
+	public var torrent:Dynamic;
+	public var property0:String;
+	public var property1:String;
+	var listener:TEvent = null;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	public function promiseResult(connection, torrentid, net_Url, ?opts:Dynamic) {
+		#if lnx_torrent
+		var socket = Leenkx.connections[net_Url];
+		if (socket == null) {
+			if (listener == null) {
+				var self = this;
+				listener = Event.add(Leenkx.onLoadEvent, function() {
+					if (Leenkx.connections[net_Url] == null) return;
+					if (self.listener != null) {
+						Event.removeListener(self.listener);
+						self.listener = null;
+					}
+					self.promiseResult(connection, torrentid, net_Url, opts);
+				});
+			}
+			return;
+		}
+		var client = socket.client;
+		if (client == null) return;
+		var self = this;
+		client.add(torrentid, opts, function(torrent) {
+			self.torrent = torrent;
+			var onReady = function() {
+				self.runOutput(0);
+			};
+			var onDone = function() {
+				self.runOutput(4);
+			};
+			if (torrent.ready) onReady();
+			else torrent.on("ready", onReady);
+			if (torrent.done) onDone();
+			else torrent.on("done", onDone);
+		});
+		#end
+	}
+
+	function onRemove() {
+		if (listener != null) {
+			Event.removeListener(listener);
+			listener = null;
+		}
+	}
+
+	override function run(from:Int) {
+		var connection = inputs[1].get();
+		if (connection == null) return;
+		var v = inputs[2].get();
+		if (v == null) return;
+		#if lnx_torrent
+		net_Url = connection._url;
+		var torrentId:Dynamic = switch (property0 != null ? property0 : "magnet") {
+			case "file": v;
+			case "id": TorrentClient.torrentIdFor(v);
+			default: Std.string(v);
+		};
+		var opts:Dynamic = null;
+		var tmode = property1 != null ? property1 : "inherit";
+		if (tmode != "inherit" && inputs.length > 3) {
+			var announce = TorrentClient.trackerUrls(inputs[3].get());
+			opts = {};
+			if (announce != null) opts.announce = announce;
+			if (tmode == "override") opts.announceOverride = true;
+		}
+		promiseResult(connection, torrentId, net_Url, opts);
+		#end
+	}
+
+	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		var t:leenkx.network.torrent.Torrent = torrent;
+		return switch (from) {
+			case 1: torrent;
+			case 2: t != null && t.meta != null ? t.meta.name : null;
+			case 3: t != null ? t.files : null;
+			case 5: t != null ? t.infoHashHex : null;
+			case 6: t != null ? t.magnetURI : null;
+			default: throw "Unreachable";
+		}
+		#else
+		return null;
+		#end
+	}
+}

leenkx/Sources/leenkx/logicnode/GetTorrentFileNode.hx

@@ -0,0 +1,83 @@
+package leenkx.logicnode;
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.Torrent;
+import leenkx.network.torrent.TorrentFile;
+#end
+
+class GetTorrentFileNode extends LogicNode {
+	public var property0:String;
+	public var file:Dynamic;
+	var net_Url:String;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run(from:Int) {
+		#if lnx_torrent
+		file = null;
+		var id = inputs[2].get();
+		var match = inputs[3].get();
+		if (id != null && match != null) {
+			var connection = inputs[1].get();
+			if (connection != null) net_Url = connection._url;
+			var socket = net_Url != null ? Leenkx.connections[net_Url] : null;
+			var client = socket != null ? socket.client : null;
+			var t = client != null ? client.get(id) : (Std.isOfType(id, Torrent) ? id : null);
+			if (t != null) file = findFile(t, match);
+		}
+		#end
+		runOutput(0);
+	}
+
+	#if lnx_torrent
+	function findFile(t:Torrent, match:Dynamic):TorrentFile {
+		var files = t.files;
+		switch (property0) {
+			case "index":
+				var i = Std.parseInt(Std.string(match));
+				if (i != null && i >= 0 && i < files.length) {
+					return files[i];
+				}
+			case "name":
+				var s = Std.string(match);
+				for (f in files) {
+					if (f.name == s) return f;
+				}
+			case "path":
+				var s = Std.string(match);
+				for (f in files) {
+					if (f.path == s) return f;
+				}
+			default: 
+				var s = Std.string(match);
+				if (!StringTools.startsWith(s, ".")) s = "." + s;
+				for (f in files) {
+					if (StringTools.endsWith(f.name, s)) return f;
+				}
+		}
+		return null;
+	}
+	#end
+
+	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		var f:TorrentFile = file;
+		return switch (from) {
+			case 1: file;
+			case 2: f != null ? f.name : null;
+			case 3: f != null ? f.path : null;
+			case 4: f != null ? f.length : 0;
+			case 5: f != null ? f.type : null;
+			case 6: f != null ? f.getBytes() : null;
+			case 7: f != null;
+			case 8: f != null ? f.downloaded : 0.0;
+			case 9: f != null ? f.progress : 0.0;
+			default: throw "Unreachable";
+		}
+		#else
+		return null;
+		#end
+	}
+}

leenkx/Sources/leenkx/logicnode/LeenkxCloseConnectionNode.hx

@@ -1,8 +1,8 @@
 package leenkx.logicnode;
-import leenkx.system.Event;
-import leenkx.network.Connect;
-import iron.object.Object;
-
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.LeenkxClient;
+#end
 
 class LeenkxCloseConnectionNode extends LogicNode {
 	public var property0: String;
@@ -12,41 +12,29 @@ class LeenkxCloseConnectionNode extends LogicNode {
 	}
 
 	override function run(from:Int) {
+		#if lnx_torrent
 		var connection = inputs[1].get();
 		if (connection == null) return;
+		var socket = Leenkx.connections[connection._url];
+		if (socket == null) return;
 
-		if(property0 == "client") {
-			var script = '
-				for (p in leenkx.network.Leenkx.connections.h["' + connection._url + '"].client.torrent._peers){
-					try{
-						leenkx.network.Leenkx.id.set("' + connection._url + '",p);
-						leenkx.network.Leenkx.connections.h["' + connection._url + '"].client.torrent._peers[p].conn._pc.close();
-						leenkx.network.Leenkx.connections.h["' + connection._url + '"].client.torrent._peers[p].conn.destroy();
-						leenkx.network.Leenkx.connections.h["' + connection._url + '"].onclose();
-					}catch(error){
-						console.log("Error: " + error);
+		var lnxCn:LeenkxClient = socket.client;
+		if (property0 == "peer") {
+			var id:String = inputs.length > 2 ? inputs[2].get() : null;
+			if (id != null && lnxCn != null) {
+				lnxCn.peers.remove(id);
+				lnxCn.seenFired.remove(id);
 			}
+			runOutput(0);
+			return;
 		}
-			';
-		    js.Syntax.code('(1, eval)({0})', script.toString());
-		} else {
-			var script = '
-				try{
-					var lnxConn = leenkx.network.Leenkx.connections.h["' + connection._url + '"];
-					if (lnxConn && lnxConn.client && lnxConn.client.torrent && lnxConn.client.torrent._peers) {
-						for (var p in lnxConn.client.torrent._peers) {
-							lnxConn.client.torrent._peers[p].conn._pc.close();
-							lnxConn.client.torrent._peers[p].conn.destroy();
-							leenkx.network.Leenkx.id.set("' + connection._url + '", p);
-							lnxConn.onclose();
-						}
-					}
-				}catch(error){
-					console.log("Error: " + error);
-				}
-			';
-		    js.Syntax.code('(1, eval)({0})', script.toString());
+		if (lnxCn != null) {
+			lnxCn.destroy();
+			socket.client = null;
 		}
+		Leenkx.connections.remove(connection._url);
+		socket.onclose();
+		#end
 		runOutput(0);
 	}
 }

leenkx/Sources/leenkx/logicnode/LeenkxEventNode.hx

@@ -1,10 +1,10 @@
 package leenkx.logicnode;
 import leenkx.system.Event;
+#if lnx_torrent
 import leenkx.network.Leenkx;
-import iron.object.Object;
+#end
 
 class LeenkxEventNode extends LogicNode {
-	public var property0: String;
 	public var property1: String;
 
 	public var value: String;
@@ -14,90 +14,63 @@ class LeenkxEventNode extends LogicNode {
 	public function new(tree:LogicTree) {
 		super(tree);
 		tree.notifyOnInit(init);
+		tree.notifyOnRemove(onRemove);
 	}
 
 	function init() {
-		if (property0 == "client") {
-				net_Url = inputs[0].get();
+		#if lnx_torrent
+		var u:Dynamic = inputs[0].get();
+		net_Url = Std.isOfType(u, String) ? u : (u != null ? u._url : null);
 		switch (property1) {
-					case "onopen": value = Leenkx.onOpenEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onmessage": value = Leenkx.onMessageEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onerror": value = Leenkx.onErrorEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onclose": value = Leenkx.onCloseEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onseen": value = Leenkx.onSeenEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onserver": value = Leenkx.onServerEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onconnections": value = Leenkx.onConnectionsEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onping": value = Leenkx.onPingEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onleft": value = Leenkx.onLeftEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "ontimeout": value = Leenkx.onTimeOutEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onrpc": value = Leenkx.onRpcEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onrpcresponse": value = Leenkx.onRpcResponseEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onwireleft": value = Leenkx.onWireLeftEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onwireseen": value = Leenkx.onWireSeenEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "ontorrent": value = Leenkx.onTorrentEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "ontracker": value = Leenkx.onTrackerEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onannounce": value = Leenkx.onAnnounceEvent;listener = Event.add(value, onEvent, tree.object.uid);
-		            default: throw "Failed to set client event type.";
-				}
-		} else if (property0 == "host") {
-			#if (sys || kha_krom)
-				var net_Domain = inputs[0].get();
-				var net_Port = inputs[1].get();
-				net_Url = "ws://" + net_Domain + ":" + Std.string(net_Port);
-				switch (property1) {
-					case "onopen": value = Leenkx.onOpenEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onmessage": value = Leenkx.onMessageEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onerror": value = Leenkx.onErrorEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onclose": value = Leenkx.onCloseEvent;listener = Event.add(value, onEvent, tree.object.uid);
-		            default: throw "Failed to set host event type.";
+			case "onopen": value = Leenkx.onOpenEvent;
+			case "onmessage": value = Leenkx.onMessageEvent;
+			case "onerror": value = Leenkx.onErrorEvent;
+			case "onclose": value = Leenkx.onCloseEvent;
+			case "onseen": value = Leenkx.onSeenEvent;
+			case "onserver": value = Leenkx.onServerEvent;
+			case "onconnections": value = Leenkx.onConnectionsEvent;
+			case "onping": value = Leenkx.onPingEvent;
+			case "onleft": value = Leenkx.onLeftEvent;
+			case "ontimeout": value = Leenkx.onTimeOutEvent;
+			case "onwireleft": value = Leenkx.onWireLeftEvent;
+			case "onwireseen": value = Leenkx.onWireSeenEvent;
+			case "ontorrent": value = Leenkx.onTorrentEvent;
+			case "ontorrentadded": value = Leenkx.onTorrentAddedEvent;
+			case "ontracker": value = Leenkx.onTrackerEvent;
+			case "onannounce": value = Leenkx.onAnnounceEvent;
+			case "ontorrentdone": value = Leenkx.onTorrentDoneEvent;
+			case "onload": value = Leenkx.onLoadEvent;
+			default:
+				trace("Failed to set client event type");
 		}
+		listener = Event.add(value, onEvent, tree.object.uid);
 		#end
-		} else if (property0 == "securehost"){
-			#if (sys || kha_krom)
-				var net_Domain = inputs[0].get();
-				var net_Port = inputs[1].get();
-				net_Url = "wss://" + net_Domain + ":" + Std.string(net_Port);
-				switch (property1) {
-					case "onopen": value = Leenkx.onOpenEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onmessage": value = Leenkx.onMessageEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onerror": value = Leenkx.onErrorEvent;listener = Event.add(value, onEvent, tree.object.uid);
-					case "onclose": value = Leenkx.onCloseEvent;listener = Event.add(value, onEvent, tree.object.uid);
-		            default: throw "Failed to set host event type.";
- 				}
-			#end	
-		}
-		
-
 	}
 
 	function onEvent() {
 		runOutput(0);
 	}
 
+	function onRemove() {
+		if (listener != null) {
+			Event.removeListener(listener);
+			listener = null;
+		}
+	}
+
 	override function get(from: Int): Dynamic {
-		if (property0 == "host") {
+		#if lnx_torrent
 		return switch (from) {
 			case 1: Leenkx.id.get(net_Url);
 			case 2: Leenkx.data.get(net_Url);
 			default: throw "Unreachable";
 		}
-		} 
-		else if (property0 == "securehost") {
-			return switch (from) {
-				case 1: Leenkx.id.get(net_Url);
-				case 2: Leenkx.data.get(net_Url);
-				default: throw "Unreachable";
-			}
-		} 
-		else {
-			return switch (from) {
-				case 1: Leenkx.id.get(net_Url);
-				case 2: Leenkx.data.get(net_Url);
-				default: throw "Unreachable";
-			}
-		}
+		#else
+		return null;
+		#end
 	}
 
 }
 
 
+

leenkx/Sources/leenkx/logicnode/LeenkxMessageParserNode.hx

@@ -1,8 +1,6 @@
 package leenkx.logicnode;
-import leenkx.network.Connect;
 import leenkx.network.Buffer;
 import haxe.io.Bytes;
-import iron.object.Object;
 import iron.math.Vec4;
 import iron.math.Quat;
 import iron.math.Mat4;
@@ -22,98 +20,54 @@ class LeenkxMessageParserNode extends LogicNode {
         if (data == null) return;
 
         api = inputs[1].get();
+        if (api == null) api = "";
+
+        var buffer:Buffer;
+        if (Std.isOfType(data, Buffer)) {
+            buffer = cast data;
+        } else {
+            var rawBytes:Bytes;
+            try {
+                rawBytes = haxe.crypto.Base64.decode(Std.string(data));
+            } catch(e) {
+                trace("Base64 decode failed: " + e);
+                return;
+            }
+            buffer = new Buffer();
+            buffer.writeBytes(rawBytes);
+        }
 
-        /**
-        var buffer = cast(data, Buffer);
-        api = inputs[1].get();
         if(buffer.endsWith(api) == false){
             return;
         }
-        **/
-        var buffer = new Buffer();
-        if(!StringTools.startsWith(data,api)){
-            return;
-        }
-        switch (property0) {
-            case "string":   
-                parsed = data.substr(api.length, data.length);
-                runOutput(0);
-            case "vector":   
-                var vec = data.substr(api.length, data.length);
-                vec = StringTools.replace(vec, "(", "");
-                vec = StringTools.replace(vec, ")", "");
-                vec = StringTools.replace(vec, " ", "");
-                vec = StringTools.trim(vec);
-                var array = vec.split(",").map(Std.parseFloat);
-                parsed = new Vec4( array[0], array[1], array[2], array[3] );
-                runOutput(0);
-            case "float":    
-                var flt:String = data.substr(api.length, data.length);
-                var float = StringTools.trim(flt);
-                parsed = Std.parseFloat(float);
-                runOutput(0);
-            case "integer":  
-                var int:String = data.substr(api.length, data.length);
-                var integer = StringTools.trim(int);
-                parsed = Std.parseInt(integer);
-                runOutput(0);
-            case "boolean":  
-                var boolean:String = data.substr(api.length, data.length);
-                if(boolean == "true"){
-                    parsed = true;
-                } else {
-                    parsed = false;
-                }
-                runOutput(0);
-            case "transform":
-                var tsfm = data.substr(api.length, data.length);
-                tsfm = StringTools.replace(tsfm, "[", "");
-                tsfm = StringTools.replace(tsfm, "]", "");
-                tsfm = StringTools.replace(tsfm, " ", "");
-                tsfm = StringTools.trim(tsfm);
-                var array = tsfm.split(",").map(Std.parseFloat);
-                parsed = new Mat4(
-                    array[0], array[1], array[2], array[3],
-                    array[4], array[5], array[6], array[7],
-                    array[8], array[9], array[10], array[11],
-                    array[12], array[13], array[14], array[15]
-                );
-                runOutput(0);
-            case "rotation": 
-                var bytes = new haxe.io.BytesInput(buffer.readUntil(api));
-                var rot = new Quat();
-                for (f in Reflect.fields(rot)) {
-                    Reflect.setField(rot, f, bytes.readFloat());
-                }
-                parsed = rot;
-                runOutput(0);
-            default: throw "Failed to parse data.";
-        }
-        return;
-
-
 
         switch (property0) {
             case "string":
                 var bytes = buffer.readAllAvailableBytes();
                 parsed = bytes.toString().substr(0, bytes.length - api.length);
-                trace(parsed);
                 runOutput(0);
             case "vector":
-                var bytes = new haxe.io.BytesInput(buffer.readUntil(api));
+                var readBytes = buffer.readUntil(api);
+                if (readBytes == null) return;
+                var bytes = new haxe.io.BytesInput(readBytes);
                 var vec = new Vec4();
-                for (f in Reflect.fields(vec)) {
-                    Reflect.setField(vec, f, bytes.readFloat());
-                }
+                vec.x = bytes.readFloat();
+                vec.y = bytes.readFloat();
+                vec.z = bytes.readFloat();
+                vec.w = bytes.readFloat();
                 parsed = vec;
                 runOutput(0);
             case "float":
-                var bytes = new haxe.io.BytesInput(buffer.readUntil(api));
+                var readBytes = buffer.readUntil(api);
+                if (readBytes == null) return;
+                var bytes = new haxe.io.BytesInput(readBytes);
                 var float: Float = bytes.readFloat();
                 parsed = float;
                 runOutput(0);
             case "integer":
-                var bytes = new haxe.io.BytesInput(buffer.readUntil(api));
+                var readBytes = buffer.readUntil(api);
+                if (readBytes == null) return;
+                var bytes = new haxe.io.BytesInput(readBytes);
                 var integer: Int = bytes.readInt32();
                 parsed = integer;
                 runOutput(0);
@@ -127,34 +81,45 @@ class LeenkxMessageParserNode extends LogicNode {
                 }
                 runOutput(0);
             case "transform":
-                var bytes = new haxe.io.BytesInput(buffer.readUntil(api));
+                var readBytes = buffer.readUntil(api);
+                if (readBytes == null) return;
+                var bytes = new haxe.io.BytesInput(readBytes);
                 var loc: Vec4 = new Vec4();
                 var rot: Quat = new Quat();
                 var scl: Vec4 = new Vec4();
-                for (f in Reflect.fields(loc)) {
-                    Reflect.setField(loc, f, bytes.readFloat());
-                }
-                for (f in Reflect.fields(rot)) {
-                    Reflect.setField(rot, f, bytes.readFloat());
-                }
-                for (f in Reflect.fields(scl)) {
-                    Reflect.setField(scl, f, bytes.readFloat());
+                try {
+                    loc.x = bytes.readFloat();
+                    loc.y = bytes.readFloat();
+                    loc.z = bytes.readFloat();
+                    loc.w = bytes.readFloat();
+                    rot.x = bytes.readFloat();
+                    rot.y = bytes.readFloat();
+                    rot.z = bytes.readFloat();
+                    rot.w = bytes.readFloat();
+                    scl.x = bytes.readFloat();
+                    scl.y = bytes.readFloat();
+                    scl.z = bytes.readFloat();
+                    scl.w = bytes.readFloat();
+                } catch(e: Dynamic) {
+                    trace("readFloat error: " + e);
+                    return;
                 }
                 var transform = Mat4.identity();
                 parsed = transform.compose(loc, rot, scl);
                 runOutput(0);
             case "rotation":
-                var bytes = new haxe.io.BytesInput(buffer.readUntil(api));
+                var readBytes = buffer.readUntil(api);
+                if (readBytes == null) return;
+                var bytes = new haxe.io.BytesInput(readBytes);
                 var rot = new Quat();
-                for (f in Reflect.fields(rot)) {
-                    Reflect.setField(rot, f, bytes.readFloat());
-                }
+                rot.x = bytes.readFloat();
+                rot.y = bytes.readFloat();
+                rot.z = bytes.readFloat();
+                rot.w = bytes.readFloat();
                 parsed = rot;
                 runOutput(0);
             default: throw "Failed to parse data.";
         }
-
-
     }
 
     override function get(from: Int): Dynamic {

leenkx/Sources/leenkx/logicnode/LeenkxSendMessageNode.hx

@@ -1,401 +1,124 @@
 package leenkx.logicnode;
-import leenkx.network.Connect;
-import leenkx.network.Leenkx;
 import leenkx.network.Buffer;
 import haxe.io.Bytes;
-import iron.object.Object;
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.LeenkxClient;
+#end
 import iron.math.Vec4;
 import iron.math.Quat;
 import iron.math.Mat4;
 
 
 class LeenkxSendMessageNode extends LogicNode {
-	public var property0: String;
 	public var property1: String;
-	public var id: String;
-	public var all: Bool;
+	public var property2: Bool;
 
 	public function new(tree:LogicTree) {
 		super(tree);
 	}
 
 	override function run(from:Int) {
-		#if js
 		var connection = inputs[1].get();
 		if (connection == null) return;
 		var api: String = inputs[2].get();
 		var message: Dynamic = inputs[3].get();
-
-		try {
-			if(inputs[5].get() == true){
-				var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-					try{
-						lnx_' + connection._url +'.torrent._peers[p].conn.send(`'+ api + message + '`);
-					}catch(error){
-						console.log("Error: " + error);
-					}
-				}';
-			    js.Syntax.code('(1, eval)({0})', script.toString());
-				runOutput(0);
-			} else {
-				var script = 'lnx_' + connection._url +'.send(`' + inputs[4].get() + '`, `'+ api + message + '` );';
-			    js.Syntax.code('(1, eval)({0})', script.toString());
-				runOutput(0);	
-			}
-
-		} catch(error) {
-			trace("Error: " + error);
-		}
+		if (message == null) return;
+		var broadcast: Bool = inputs.length > 4 && inputs[4].get() == true;
+		var targetAddress: String = inputs.length > 5 ? inputs[5].get() : null;
+		if (!broadcast && (targetAddress == null || targetAddress == "")) {
 			return;
+		}
+
+		#if lnx_torrent
+		var socket = Leenkx.connections[connection._url];
+		if (socket == null) return;
+		var lnxCn:LeenkxClient = socket.client;
+		if (lnxCn == null) return;
+
+		var buffer = new Buffer();
 
 		switch (property1) {
 			case "string":
-				if(property0 == "client"){
-					var buffer = new Buffer();
 				buffer.writeBytes(Bytes.ofString(message));
-					if(api != "" || api != null){
-						buffer.writeBytes(Bytes.ofString(api));
-						
-						try {
-							connection.buffer = buffer;
-							if(inputs[5].get() == true){
-								var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-									try{
-										lnx_' + connection._url +'.torrent._peers[p].conn.send(leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );
-									}catch(error){
-										console.log("Error: " + error);
-									}
-								}';
-							    js.Syntax.code('(1, eval)({0})', script.toString());
-								runOutput(0);
-							} else {
-								var script = 'lnx_' + connection._url +'.send("' + inputs[4].get() + '",leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );';
-							    js.Syntax.code('(1, eval)({0})', script.toString());
-								runOutput(0);	
-							}
-						} catch(error) {
-							trace("Error: " + error);
-						}
-					}
-				} else {
-					if(inputs[5].get() == true){
-						var script = 'lnx_' + connection._url + '.send(`' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}else{
-						var script = 'lnx_' + connection._url + '.send(`' + inputs[4].get() + '`, `' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}
-					runOutput(0);
-					return;
-				}
 			case "vector":
-				if(property0 == "client"){
 				var bytesOut = new haxe.io.BytesOutput();
-					var i = Reflect.fields(message);
-					for (b in i) {
-						bytesOut.writeFloat(Reflect.field(message, b));
-					}
-					var buffer = new Buffer();
+				var f:Null<Float>;
+				if ((f = message.x) != null) bytesOut.writeFloat(f);
+				if ((f = message.y) != null) bytesOut.writeFloat(f);
+				if ((f = message.z) != null) bytesOut.writeFloat(f);
+				if ((f = message.w) != null) bytesOut.writeFloat(f);
 				buffer.writeBytes(bytesOut.getBytes());
-					if(api != "" || api != null){
-						buffer.writeBytes(Bytes.ofString(api));
-					}
-
-					try {
-						connection.buffer = buffer;
-						if(inputs[5].get() == true){
-							var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-								try{
-									lnx_' + connection._url +'.torrent._peers[p].conn.send("' + api + message + '");
-								}catch(error){
-									console.log("Error: " + error);
-								}
-							}';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);
-						} else {
-							var script = 'lnx_' + connection._url +'.send("' + inputs[4].get() + '",leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);	
-						}
-					} catch(error) {
-						trace("Error: " + error);
-					}
-				} else {
-					if(inputs[5].get() == true){
-						var script = 'lnx_' + connection._url + '.send(`' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}else{
-						var script = 'lnx_' + connection._url + '.send(`' + inputs[4].get() + '`, `' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}
-					runOutput(0);
-					return;
-				}
 			case "float":
-				if(property0 == "client"){
 				var bytesOut = new haxe.io.BytesOutput();
 				bytesOut.writeFloat(message);
-				    var buffer = new Buffer();
 				buffer.writeBytes(bytesOut.getBytes());
-					if(api != "" || api != null){
-						buffer.writeBytes(Bytes.ofString(api));
-					}
-					try {
-						connection.buffer = buffer;
-						if(inputs[5].get() == true){
-							var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-								try{
-									lnx_' + connection._url +'.torrent._peers[p].conn.send(leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );
-								}catch(error){
-									console.log("Error: " + error);
-								}
-							}';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);
-						} else {
-							var script = 'lnx_' + connection._url +'.send("' + inputs[4].get() + '",leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);	
-						}
-					} catch(error) {
-						trace("Error: " + error);
-					}
-				} else {
-					if(inputs[5].get() == true){
-						var script = 'lnx_' + connection._url + '.send(`' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}else{
-						var script = 'lnx_' + connection._url + '.send(`' + inputs[4].get() + '`, `' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}
-					runOutput(0);
-					return;
-				}
 			case "integer":
-				if(property0 == "client"){
 				var bytesOut = new haxe.io.BytesOutput();
 				bytesOut.writeInt32(message);
-					var buffer = new Buffer();
 				buffer.writeBytes(bytesOut.getBytes());
-					if(api != "" || api != null){
-						buffer.writeBytes(Bytes.ofString(api));
-					}
-										try {
-						connection.buffer = buffer;
-						if(inputs[5].get() == true){
-							var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-								try{
-									lnx_' + connection._url +'.torrent._peers[p].conn.send(leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );
-								}catch(error){
-									console.log("Error: " + error);
-								}
-							}';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);
-						} else {
-							var script = 'lnx_' + connection._url +'.send("' + inputs[4].get() + '",leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);	
-						}
-					} catch(error) {
-						trace("Error: " + error);
-					}
-				} else {
-					if(inputs[5].get() == true){
-						var script = 'lnx_' + connection._url + '.send(`' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}else{
-						var script = 'lnx_' + connection._url + '.send(`' + inputs[4].get() + '`, `' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}
-					runOutput(0);
-					return;
-				}
 			case "boolean":
-				if(property0 == "client"){
-					var buffer = new Buffer();
 				if (message == true) {
 					buffer.writeBytes(Bytes.ofString("true"));
 				} else {
 					buffer.writeBytes(Bytes.ofString("false"));
 				}
-					if(api != "" || api != null){
-						buffer.writeBytes(Bytes.ofString(api));
-					}
-				try {
-						connection.buffer = buffer;
-						if(inputs[5].get() == true){
-							var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-								try{
-									lnx_' + connection._url +'.torrent._peers[p].conn.send(leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );
-								}catch(error){
-									console.log("Error: " + error);
-								}
-							}';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);
-						} else {
-							var script = 'lnx_' + connection._url +'.send("' + inputs[4].get() + '",leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);	
-						}
-					} catch(error) {
-						trace("Error: " + error);
-					}
-				} else {
-					if(inputs[5].get() == true){
-						var script = 'lnx_' + connection._url + '.send(`' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}else{
-						var script = 'lnx_' + connection._url + '.send(`' + inputs[4].get() + '`, `' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}
-					runOutput(0);
-					return;
-				}
 			case "transform":
-				if(property0 == "client"){
 				var bytesOut = new haxe.io.BytesOutput();
 				var transform:Mat4 = message;
 				var loc = new Vec4();
 				var rot = new Quat();
 				var scale = new Vec4();
 				transform.decompose(loc, rot, scale);
-					var l = Reflect.fields(loc);
-					for (b in l) {
-						bytesOut.writeFloat(Reflect.field(loc, b));
-					}
-					var r = Reflect.fields(rot);
-					for (b in r) {
-						bytesOut.writeFloat(Reflect.field(rot, b));
-					}
-					var s = Reflect.fields(scale);
-					for (b in s) {
-						bytesOut.writeFloat(Reflect.field(scale, b));
-					}
-				    var buffer = new Buffer();
+				bytesOut.writeFloat(loc.x);
+				bytesOut.writeFloat(loc.y);
+				bytesOut.writeFloat(loc.z);
+				bytesOut.writeFloat(loc.w);
+				bytesOut.writeFloat(rot.x);
+				bytesOut.writeFloat(rot.y);
+				bytesOut.writeFloat(rot.z);
+				bytesOut.writeFloat(rot.w);
+				bytesOut.writeFloat(scale.x);
+				bytesOut.writeFloat(scale.y);
+				bytesOut.writeFloat(scale.z);
+				bytesOut.writeFloat(scale.w);
 				buffer.writeBytes(bytesOut.getBytes());
-					if(api != "" || api != null){
-						buffer.writeBytes(Bytes.ofString(api));
-					}
-					try {
-
-						connection.buffer = buffer;
-
-						if(inputs[5].get() == true){
-							var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-								try{
-									//console.log("Mine: " + lx_8001.torrent.discovery.peerId + " || Incomming: " + p);
-									lnx_' + connection._url +'.torrent._peers[p].conn.send(leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );
-								}catch(error){
-									console.log("Error: " + error);
-								}
-							}';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);
-						} else {
-							//var script = 'lnx_' + connection._url +'.send("' + inputs[4].get() + '",leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );';
-						    var script = 'lnx_' + connection._url +'.send(leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);	
-						}
-
-					} catch(error) {
-						trace("Error: " + error);
-					}
-				} 
 			case "rotation":
-				if(property0 == "client"){
 				var bytesOut = new haxe.io.BytesOutput();
-					var i = Reflect.fields(message);
-					for (b in i) {
-						bytesOut.writeFloat(Reflect.field(message, b));
-					}
-					var buffer = new Buffer();
+				var f:Null<Float>;
+				if ((f = message.x) != null) bytesOut.writeFloat(f);
+				if ((f = message.y) != null) bytesOut.writeFloat(f);
+				if ((f = message.z) != null) bytesOut.writeFloat(f);
+				if ((f = message.w) != null) bytesOut.writeFloat(f);
 				buffer.writeBytes(bytesOut.getBytes());
-					if(api != "" || api != null){
+			default: trace("Failed to send data.");
+		}
+
+		if (api != null && api != "") {
 			buffer.writeBytes(Bytes.ofString(api));
 		}
+
+		var rawBytes = buffer.readAllAvailableBytes();
+
 		try {
-						connection.buffer = buffer;
-						if(inputs[5].get() == true){
-							var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-								try{
-									lnx_' + connection._url +'.torrent._peers[p].conn.send(leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );
-								}catch(error){
-									console.log("Error: " + error);
-								}
-							}';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);
+			if (property2) {
+				var payload = haxe.crypto.Base64.encode(rawBytes);
+				if (broadcast) {
+					lnxCn.send(null, payload);
 				} else {
-							var script = 'lnx_' + connection._url +'.send("' + inputs[4].get() + '",leenkx.network.Leenkx.connections.h["'+ connection._url +'"].buffer );';
-						    js.Syntax.code('(1, eval)({0})', script.toString());
-							runOutput(0);	
+					lnxCn.send(targetAddress, payload);
+				}
+			} else {
+				lnxCn.sendRawMessage(rawBytes, broadcast ? null : targetAddress);
 			}
 		} catch(error) {
 			trace("Error: " + error);
 		}
-				} else {
-					if(inputs[5].get() == true){
-						var script = 'lnx_' + connection._url + '.send(`' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}else{
-						var script = 'lnx_' + connection._url + '.send(`' + inputs[4].get() + '`, `' + api + message + '`);';
-						js.Syntax.code('(1, eval)({0})', script);
-					}
 		runOutput(0);
-					return;
-				} 
-		}
+
+		#else
+		runOutput(0);
+
 		#end
 	}
-
 }
-
-
-
-
-/*******_________________________________________
-
-		try {
-			 
-			if(inputs[5].get() == true){
-				var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-					try{
-						lnx_' + connection._url +'.torrent._peers[p].conn.send("' + api + message + '");
-					}catch(error){
-						console.log("Error: " + error);
-					}
-				}';
-			    js.Syntax.code('(1, eval)({0})', script.toString());
-				runOutput(0);
-			} else {
-                var script = 'for (p in lnx_' + connection._url +'.torrent._peers){
-                        try{
-                            
-                            lx_' + connection._url +'.torrent._peers[' + inputs[4].get() + '].conn.send("' + api + message + '");
-                        }catch(error){
-                                console.log("Error: " + error);
-                        }
-                }';
-           		js.Syntax.code('(1, eval)({0})', script.toString());
-                runOutput(0);
-			}
-		} catch(error) {
-			trace("Error: " + error);
-		}
-		return;
-
-_________________________________________*****/
-
-
-
-
-
-
-
-
-
-

leenkx/Sources/leenkx/logicnode/NetworkMessageParserNode.hx

@@ -23,6 +23,7 @@ class NetworkMessageParserNode extends LogicNode {
 
         var buffer = cast(data, Buffer);
         api = inputs[1].get();
+        if (api == null) api = "";
         if(buffer.endsWith(api) == false){
             return;
         }

leenkx/Sources/leenkx/logicnode/OnTorrentEventNode.hx

@@ -0,0 +1,65 @@
+package leenkx.logicnode;
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.Torrent;
+#end
+
+class OnTorrentEventNode extends LogicNode {
+	public var property0:String;
+	public var eventValue:Dynamic;
+	var net_Url:String;
+	var torrent:Dynamic;
+	var registeredTorrents:Map<String, Bool> = new Map();
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run(from:Int) {
+		#if lnx_torrent
+		var connection = inputs[1].get();
+		if (connection == null) return;
+		var id = inputs[2].get();
+		if (id == null) return;
+		net_Url = connection._url;
+
+		var socket = Leenkx.connections[connection._url];
+		var client = socket != null ? socket.client : null;
+		var t = client != null ? client.get(id) : (Std.isOfType(id, Torrent) ? id : null);
+		if (t == null) return;
+
+		var event = property0 != null ? property0 : "done";
+		var self = this;
+		var fire = function(v:Dynamic) {
+			self.eventValue = v;
+			self.runOutput(0);
+		};
+		var key = t.infoHashHex != null ? t.infoHashHex : "v2:" + t.infoHashV2Hex;
+		var alreadyRegistered = registeredTorrents.exists(key);
+		if (!alreadyRegistered) registeredTorrents.set(key, true);
+		switch (event) {
+			case "ready":
+				if (t.ready) fire(null);
+				else if (!alreadyRegistered) t.on("ready", function() fire(null));
+			case "piece" | "wire" | "metadata" | "error":
+				if (!alreadyRegistered) t.on(event, function(v) fire(v));
+			default:
+				if (t.done) fire(null);
+				else if (!alreadyRegistered) t.on("done", function() fire(null));
+		}
+		torrent = t;
+		#end
+	}
+
+	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		return switch (from) {
+			case 1: torrent;
+			case 2: eventValue;
+			default: throw "Unreachable";
+		}
+		#else
+		return null;
+		#end
+	}
+}

leenkx/Sources/leenkx/logicnode/ParseTorrentNode.hx

@@ -0,0 +1,73 @@
+package leenkx.logicnode;
+#if lnx_torrent
+import haxe.io.Bytes;
+import leenkx.network.torrent.Magnet;
+import leenkx.network.torrent.MetaInfo;
+#end
+
+class ParseTorrentNode extends LogicNode {
+	var meta:Dynamic;
+	var magnet:Dynamic;
+	var idHex:String;
+	public var property0:String;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run(from:Int) {
+		#if lnx_torrent
+		meta = null;
+		magnet = null;
+		idHex = null;
+		var src = inputs[1].get();
+		if (src == null) return;
+
+		switch (property0 != null ? property0 : "magnet") {
+			case "file":
+				if (Std.isOfType(src, MetaInfo)) {
+					meta = src;
+				} else {
+					var b = Std.isOfType(src, Bytes) ? src : Bytes.ofString(Std.string(src));
+					try {
+						meta = MetaInfo.fromTorrentBytes(b);
+					} catch(e:Dynamic) {
+						trace(e);
+						return;
+					}
+				}
+			case "id":
+				var s = Std.string(src);
+				idHex = s.length == 64 ? "v2:" + s : s;
+			default:
+				var m = Magnet.parse(Std.string(src));
+				if (m == null) {
+					return;
+				}
+				magnet = m;
+				idHex = m.infoHashHex != null ? m.infoHashHex : m.infoHashV2Hex;
+		}
+		#end
+		runOutput(0);
+	}
+
+	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		var m:MetaInfo = meta;
+		var mg:Magnet = magnet;
+		return switch (from) {
+			case 1: m;
+			case 2: m != null ? (m.infoHashHex != null ? m.infoHashHex : m.infoHashV2Hex) : idHex;
+			case 3: m != null ? m.name : (mg != null ? mg.name : null);
+			case 4: m != null ? m.announce : (mg != null ? mg.trackers : null);
+			case 5: m != null ? m.urlList : (mg != null ? mg.webSeeds : null);
+			case 6: m != null ? m.files : null;
+			case 7: m != null ? m.totalLength : 0;
+			case 8: m != null ? m.toTorrentBytes() : null;
+			default: throw "Unreachable";
+		}
+		#else
+		return null;
+		#end
+	}
+}

leenkx/Sources/leenkx/logicnode/SeedTorrentNode.hx

@@ -1,52 +1,124 @@
 package leenkx.logicnode;
-import leenkx.system.Event;
-import iron.object.Object;
-
+#if lnx_torrent
+import haxe.io.Bytes;
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.MetaInfo;
+import leenkx.network.torrent.Torrent;
+#end
 
 
 class SeedTorrentNode extends LogicNode {
 	public var torrent:Dynamic;
-  public var net_Url: Dynamic;
-
+	public var net_Url:String;
 
 	public function new(tree:LogicTree) {
 		super(tree);
 	}
 
-
 	override function run(from:Int) {
-		#if js
+		#if lnx_torrent
 		var connection = inputs[1].get();
 		if (connection == null) return;
-		trace("got connection");
-		var data = inputs[3].get();
-		if (data == null) return;	
-		trace("got data");
-		var opts = inputs[2].get();
+		var src = inputs[2].get(); 
 		net_Url = connection._url;
 
-		var cx = "lx_" + net_Url;
-	  var lx:Dynamic = untyped js.Browser.window[cx];
-		var args = opts.toString();
-		trace(args);
-    var func = Reflect.field(lx.wt, "seed");
-		if (func != null) {
-			torrent = func(data, function (torrent) {
-    trace('Client is seeding ' + torrent.magnetURI);
-  });
-			//trace(torrent);
+		var socket = Leenkx.connections[connection._url];
+		if (socket == null || socket.client == null) return;
+		var client = socket.client;
+		var self = this;
+
+		var onSeeded = function(t:Torrent) {
+			if (t == null) return;
+			self.torrent = t;
+			var onDone = function() {
+				self.runOutput(2);
+			};
+			if (t.done) onDone();
+			else t.on("done", onDone);
+		};
+
+		if (Std.isOfType(src, Torrent)) {
+			var t:Torrent = src;
+			t.start();
+			torrent = t;
+			runOutput(0);
+			return;
 		}
 
+		var meta:MetaInfo = null;
+		if (Std.isOfType(src, MetaInfo)) {
+			meta = cast src;
+		} else if (Std.isOfType(src, Bytes)) {
+			try {
+				meta = MetaInfo.fromTorrentBytes(cast src);
+			} catch(e:Dynamic) {
+				return;
+			}
+		}
+		if (meta == null) {
+			return;
+		}
+		var files = filesFor(meta, inputs.length > 3 ? inputs[3].get() : null);
+		if (files == null) {
+			return;
+		}
+		client.seedMeta(meta, files, null, onSeeded);
 		runOutput(0);
 		#end
 	}
 
+	#if lnx_torrent
+	function filesFor(meta:MetaInfo, data:Dynamic):Array<{path:String, data:Bytes}> {
+		if (data == null) return null;
+		var entries = meta.files;
+		if (Std.isOfType(data, Bytes)) {
+			var blob:Bytes = data;
+			if (blob.length != meta.totalLength) return null;
+			var files:Array<{path:String, data:Bytes}> = [];
+			var cursor = 0;
+			for (f in entries) {
+				files.push({path: f.path, data: blob.sub(cursor, f.length)});
+				cursor += f.length;
+			}
+			return files;
+		}
+		if (Std.isOfType(data, Array)) {
+			var items:Array<Dynamic> = data;
+			var files:Array<{path:String, data:Bytes}> = [];
+			for (it in items) {
+				var p = Reflect.field(it, "path");
+				var d:Bytes = Reflect.field(it, "data");
+				if (d == null) d = Reflect.field(it, "content");
+				if (p == null || d == null) continue;
+				var sp = Std.string(p);
+				var matched = false;
+				for (f in entries) {
+					if (f.path == sp || StringTools.endsWith(f.path, "/" + sp)) {
+						files.push({path: f.path, data: d});
+						matched = true;
+						break;
+					}
+				}
+				if (!matched) files.push({path: sp, data: d});
+			}
+			if (files.length == entries.length) return files;
+			return null;
+		}
+		return null;
+	}
+	#end
+
 	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		var t:Torrent = torrent;
 		return switch (from) {
 			case 1: torrent;
+			case 3: t != null ? t.infoHashHex : null;
+			case 4: t != null ? t.magnetURI : null;
 			default: throw "Unreachable";
 		}
+		#else
+		return null;
+		#end
 	}
-
 }
-  

leenkx/Sources/leenkx/logicnode/SetTrackersNode.hx

@@ -0,0 +1,90 @@
+package leenkx.logicnode;
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.Torrent;
+import leenkx.network.torrent.TorrentClient;
+#end
+
+class SetTrackersNode extends LogicNode {
+	public var property0:String;
+	public var target:Dynamic;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run(from:Int) {
+		#if lnx_torrent
+		var p = property0 != null ? property0 : "add";
+		switch (p) {
+			case "add" | "override":
+				setTorrentTrackers(p == "override");
+			default:
+				setTrackerProperty(p);
+		}
+		#end
+		runOutput(0);
+	}
+
+	#if lnx_torrent
+	function setTorrentTrackers(trackerOverride:Bool):Void {
+		var id = inputs[2].get();
+		var urls = TorrentClient.trackerUrls(inputs[3].get());
+		if (urls == null) return;
+		var t:Torrent = Std.isOfType(id, Torrent) ? id : null;
+		if (t == null && id != null) {
+			var connection = inputs[1].get();
+			var socket = connection != null ? Leenkx.connections[connection._url] : null;
+			var client = socket != null ? socket.client : null;
+			if (client != null) t = client.get(id);
+		}
+		if (t != null) {
+			target = t;
+			if (trackerOverride) {
+				t.setTrackers(urls);
+			} else {
+				for (u in urls) t.addTracker(u);
+			}
+		} else if (id == null) {
+			target = null;
+			if (trackerOverride) {
+				TorrentClient.defaultTrackers = urls;
+			} else {
+				TorrentClient.mergeTrackers(TorrentClient.defaultTrackers, urls);
+			}
+		}
+	}
+
+	function setTrackerProperty(prop:String):Void {
+		var tracker:Dynamic = inputs[1].get();
+		if (tracker == null) return;
+		var v = inputs[2].get();
+		if (v == null) return;
+		var field = prop == "interval" ? "intervalSec" : prop;
+		var val:Dynamic = field == "trackerId" ? Std.string(v)
+			: Std.int(Std.parseFloat(Std.string(v)));
+		var setter:Dynamic = field == "intervalSec"
+			&& Reflect.field(tracker, "intervalSec") == null
+			? Reflect.field(tracker, "setAnnounceInterval") : null;
+		if (setter != null) {
+			try {
+				Reflect.callMethod(tracker, setter, [(val:Int) * 1000]);
+			} catch(e:Dynamic) {}
+		} else {
+			Reflect.setField(tracker, field, val);
+		}
+		target = tracker;
+	}
+	#end
+
+	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		return switch (from) {
+			case 1: target;
+			default: throw "Unreachable";
+		}
+		#else
+		return null;
+		#end
+	}
+}

leenkx/Sources/leenkx/logicnode/TorrentClientInfoNode.hx

@@ -0,0 +1,74 @@
+package leenkx.logicnode;
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.Torrent;
+#end
+
+class TorrentClientInfoNode extends LogicNode {
+	var stats:Dynamic;
+	var list:Array<Dynamic>;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run(from:Int) {
+		#if lnx_torrent
+		list = [];
+		stats = {downRate: 0.0, upRate: 0.0, progress: 0.0, ratio: 0.0};
+		var connection = inputs[1].get();
+		if (connection != null) {
+			var socket = Leenkx.connections[connection._url];
+			var client = socket != null ? socket.client : null;
+			if (client != null) collect(client);
+		}
+		#end
+		runOutput(0);
+	}
+
+	#if lnx_torrent
+	function collect(client:Dynamic) {
+		var down = 0.0;
+		var up = 0.0;
+		var received = 0.0;
+		var sent = 0.0;
+		var total = 0.0;
+		var left = 0.0;
+		var torrents:Map<String, Torrent> = client.torrents;
+		for (t in torrents) {
+			list.push(t);
+			var s = t.getStats();
+			down += s.downRate;
+			up += s.upRate;
+			received += s.downloaded;
+			sent += s.uploaded;
+			if (t.meta != null) {
+				total += t.meta.totalLength;
+				left += s.left;
+			}
+		}
+		stats = {
+			downRate: down,
+			upRate: up,
+			progress: total > 0 ? 1.0 - left / total : 0.0,
+			ratio: received > 0 ? sent / received : 0.0
+		};
+	}
+	#end
+
+	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		return switch (from) {
+			case 1: list;
+			case 2: list.length;
+			case 3: stats.downRate;
+			case 4: stats.upRate;
+			case 5: stats.progress;
+			case 6: stats.ratio;
+			default: throw "Unreachable";
+		}
+		#else
+		return null;
+		#end
+	}
+}

leenkx/Sources/leenkx/logicnode/TorrentControlNode.hx

@@ -0,0 +1,93 @@
+package leenkx.logicnode;
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.Torrent;
+#end
+
+class TorrentControlNode extends LogicNode {
+	public var property0:String;
+	var net_Url:String;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run(from:Int) {
+		#if lnx_torrent
+		var connection = inputs[1].get();
+		if (connection == null) return;
+		var id = inputs[2].get();
+		if (id == null) return;
+		net_Url = connection._url;
+
+		var socket = Leenkx.connections[connection._url];
+		if (socket == null) return;
+		var client = socket.client;
+		var t = client != null ? client.get(id) : (Std.isOfType(id, Torrent) ? id : null);
+		var action = property0 != null ? property0 : "remove";
+
+		var file:Dynamic = inputs.length > 3 ? inputs[3].get() : null;
+		var t2 = t;
+		var startB = 0;
+		var endB = -1;
+		if (file != null) {
+			startB = file.offset;
+			endB = file.offset + file.length - 1;
+			if (t2 == null) t2 = file.torrent;
+		} else {
+			var sv = inputs.length > 4 ? inputs[4].get() : null;
+			var ev = inputs.length > 5 ? inputs[5].get() : null;
+			if (sv != null && Std.string(sv) != "") {
+				startB = Std.int(Std.parseFloat(Std.string(sv)));
+			}
+			if (ev != null && Std.string(ev) != "") {
+				endB = Std.int(Std.parseFloat(Std.string(ev)));
+			}
+		}
+		var pv = inputs.length > 6 ? inputs[6].get() : null;
+		var priority = pv != null && Std.string(pv) != "" ? Std.int(Std.parseFloat(Std.string(pv))) : null;
+
+		switch (action) {
+			case "start":
+				if (t != null) t.start();
+			case "stop":
+				if (t != null) t.stop();
+			case "select", "critical", "deselect":
+				if (t2 != null) {
+					if (endB < 0) {
+						endB = t2.meta != null ? t2.meta.totalLength - 1 : 0;
+					}
+					if (action == "critical") {
+						t2.critical(startB, endB);
+					} else if (action == "select") {
+						t2.select(startB, endB, priority);
+					} else {
+						t2.deselect(startB, endB, priority);
+					}
+				}
+			case "add-peer":
+				var peer = inputs.length > 3 ? inputs[3].get() : null;
+				if (t != null && peer != null) {
+					t.addPeer(Std.string(peer));
+				}
+			case "add-web-seed":
+				var url = inputs.length > 3 ? inputs[3].get() : null;
+				if (t != null && url != null) {
+					t.addWebSeed(Std.string(url));
+				}
+			case "remove", "remove-data":
+				var hex = t != null ? t.infoHashHex : Std.string(id);
+				if (hex == null) hex = Std.string(id);
+				if (client != null) {
+					client.remove(hex, action == "remove-data");
+				}
+				if (t != null && Leenkx.torrent.get(net_Url) == t) {
+					Leenkx.torrent.remove(net_Url);
+					Leenkx.file.remove(net_Url);
+				}
+			default:
+		}
+		#end
+		runOutput(0);
+	}
+}

leenkx/Sources/leenkx/logicnode/TorrentInfoNode.hx

@@ -0,0 +1,74 @@
+package leenkx.logicnode;
+#if lnx_torrent
+import leenkx.network.Leenkx;
+import leenkx.network.torrent.Torrent;
+import leenkx.network.torrent.TorrentClient;
+#end
+
+class TorrentInfoNode extends LogicNode {
+	public var torrent:Dynamic;
+	public var net_Url:String;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run(from:Int) {
+		#if lnx_torrent
+		var id = inputs[2].get();
+		if (id == null) return;
+		torrent = null;
+
+		if (Std.isOfType(id, Torrent)) {
+			torrent = id;
+		} else {
+			var connection = inputs[1].get();
+			if (connection == null) return;
+			net_Url = connection._url;
+			var socket = Leenkx.connections[net_Url];
+			if (socket == null || socket.client == null) return;
+			torrent = socket.client.get(id);
+		}
+		#end
+		runOutput(0);
+	}
+
+	override function get(from:Int):Dynamic {
+		#if lnx_torrent
+		var t:Torrent = torrent;
+		return switch (from) {
+			case 1: t != null ? t.infoHashHex : null;
+			case 2: t != null && t.meta != null ? t.meta.name : null;
+			case 3: t != null ? t.numPeers : 0;
+			case 4: progress(t);
+			case 5: t != null ? t.getStats().downloaded : 0.0;
+			case 6: t != null ? t.getStats().uploaded : 0.0;
+			case 7: t != null ? t.done : false;
+			case 8: t != null ? t.magnetURI : null;
+			case 9: t != null ? t.files : null;
+			case 10: t != null && t.meta != null ? t.meta.numPieces : 0;
+			case 11: t != null && t.meta != null ? t.meta.pieceLength : 0;
+			case 12: t != null && t.meta != null ? t.meta.totalLength : 0;
+			case 13: t != null && t.meta != null ? t.meta.comment : null;
+			case 14: t != null && t.meta != null ? t.meta.createdBy : null;
+			case 15: t != null && t.meta != null ? t.meta.protocolVersion : 1;
+			case 16: t != null ? t.infoHashV2Hex : null;
+			case 17: t != null ? t.getStats().downRate : 0.0;
+			case 18: t != null ? t.getStats().upRate : 0.0;
+			case 19: t != null ? t.stopped : false;
+			case 20: t;
+			default: throw "Unreachable";
+		}
+		#else
+		return null;
+		#end
+	}
+
+	#if lnx_torrent
+	function progress(t:Torrent):Float {
+		if (t == null || t.meta == null || t.meta.totalLength == 0) return 0;
+		var stats = t.getStats();
+		return 1.0 - stats.left / t.meta.totalLength;
+	}
+	#end
+}

leenkx/Sources/leenkx/network/Buffer.hx

@@ -63,10 +63,10 @@ class Buffer {
 	public function readUntil(delimiter:String):Bytes {
 		var dl = delimiter.length;
 
-		for (i in 0 ... available - dl) {
+		for (i in 0 ... available - dl + 1) {
 			var matched = true;
 			for (j in 0 ... dl) {
-				if (peekByte(currentOffset + i + j + 1) == delimiter.charCodeAt(j)) {
+				if (peekByte(i + j) == delimiter.charCodeAt(j)) {
 					continue;
 				}
 				matched = false;
@@ -74,7 +74,8 @@ class Buffer {
 			}
 
 			if (matched) {
-				var bytes = readBytes(i + dl + 1);
+				var bytes = readBytes(i);
+				readBytes(dl);
 				return bytes;
 			}
 		}
@@ -85,7 +86,19 @@ class Buffer {
 	public function readBytes(count:Int):Bytes {
 		var count2 = Std.int(Math.min(count, available));
 		var out = Bytes.alloc(count2);
-		for (n in 0 ... count2) out.set(n, readByte());
+		var written = 0;
+		while (written < count2) {
+			if (currentData == null || currentOffset >= currentData.length) {
+				currentOffset = 0;
+				currentData = chunks.shift();
+			}
+			var n = Std.int(Math.min(count2 - written, currentData.length - currentOffset));
+			out.blit(written, currentData, currentOffset, n);
+			written += n;
+			currentOffset += n;
+			available -= n;
+		}
+		length = available;
 		return out;
 	}
 
@@ -115,16 +128,23 @@ class Buffer {
 	}
 
 	public function peekByte(offset:Int):Int {
-		if (available <= 0) throw 'No bytes available';
-		var tempOffset = offset;
-		var tempData = chunks[0];
-		if (tempData == null) {
-			tempData = currentData;
+		if (available <= 0 || offset < 0 || offset >= available) throw 'No bytes available';
+		var tempData = currentData;
+		var chunkIndex = -1;
+		var tempOffset:Int;
+		if (tempData != null && currentOffset < tempData.length) {
+			tempOffset = currentOffset + offset;
+		} else {
+			tempData = chunks[0];
+			chunkIndex = 0;
+			tempOffset = offset;
 		}
-		var chunkIndex = 0;
 		while (tempOffset >= tempData.length) {
 			tempOffset -= tempData.length;
 			chunkIndex++;
+			if (chunkIndex >= chunks.length){
+ 				trace('No bytes available');
+			}
 			tempData = chunks[chunkIndex];
 		}
 		return tempData.get(tempOffset);
@@ -154,9 +174,9 @@ class Buffer {
 
 	public function endsWith(e:String):Bool {
 		var i = available - e.length;
-		var n = currentOffset;
+		var n = 0;
 
-		if (i <= 0) {
+		if (i < 0) {
 			return false;
 		}
 

leenkx/Sources/leenkx/network/Handler.hx

@@ -1,6 +1,8 @@
 package leenkx.network;
 
 class Handler extends WebSocketCommon {
+	public var validateHandshake:(HttpRequest, HttpResponse, (HttpResponse) -> Void) -> Void = null;
+
 	public function new(socket:SocketImpl) {
 		super(socket);
 		isClient = false;

leenkx/Sources/leenkx/network/HttpHeader.hx

@@ -4,6 +4,7 @@ class HttpHeader {
 	public static inline var SEC_WEBSOCKET_KEY:String = "Sec-WebSocket-Key";
 	public static inline var SEC_WEBSOSCKET_ACCEPT:String = "Sec-WebSocket-Accept";
 	public static inline var SEC_WEBSOSCKET_VERSION:String = "Sec-WebSocket-Version";
+	public static inline var SEC_WEBSOCKET_PROTOCOL:String = "Sec-WebSocket-Protocol";
 	public static inline var UPGRADE:String = "Upgrade";
 	public static inline var HOST:String = "Host";
 	public static inline var CONNECTION:String = "Connection";

leenkx/Sources/leenkx/network/Leenkx.hx

@@ -1,10 +1,12 @@
 package leenkx.network;
 
+#if lnx_torrent
 import leenkx.network.Types;
 import haxe.io.Bytes;
 import iron.object.Object;
 import leenkx.system.Event;
 import leenkx.network.Buffer;
+import leenkx.network.torrent.LeenkxClient;
 
 @:expose
 class Leenkx {
@@ -20,23 +22,19 @@ class Leenkx {
 	public static var onPingEvent: String = "Leenkx.onPing";
 	public static var onLeftEvent: String = "Leenkx.onLeft";
 	public static var onTimeOutEvent: String = "Leenkx.onTimeOut";
-	public static var onRpcEvent: String = "Leenkx.onRpc";
-	public static var onRpcResponseEvent: String = "Leenkx.onRpcResponse";
 	public static var onWireLeftEvent: String = "Leenkx.onWireLeft";
 	public static var onWireSeenEvent: String = "Leenkx.onWireSeen";
 	public static var onTorrentEvent: String = "Leenkx.onTorrent";
+	public static var onTorrentAddedEvent: String = "Leenkx.onTorrentAdded";
 	public static var onTrackerEvent: String = "Leenkx.onTracker";
 	public static var onAnnounceEvent: String = "Leenkx.onAnnounce";
 	public static var onTorrentDoneEvent: String = "Leenkx.onTorrentDone";
 	public static var connections:Map<String, leenkx.network.LeenkxSocket> = [];
-	#if js
-	public static var peers:js.lib.Map<String, String> = new js.lib.Map<String,String>(); 	
-	public static var data:js.lib.Map<String, Dynamic> = new js.lib.Map<String,Dynamic>(); 	
-	public static var id:js.lib.Map<String, String> = new js.lib.Map<String,String>(); 	
-	public static var torrent:js.lib.Map<String, Dynamic> = new js.lib.Map<String,Dynamic>(); 	
-	public static var file:js.lib.Map<String, Dynamic> = new js.lib.Map<String,Dynamic>();
-	#end
-	public static var lxNew:Void->Void;
+	public static var peers:Map<String, String> = [];
+	public static var data:Map<String, Dynamic> = [];
+	public static var id:Map<String, String> = [];
+	public static var torrent:Map<String, Dynamic> = [];
+	public static var file:Map<String, Dynamic> = [];
 
 	public function new(net_Url: String, net_object: Object) {
 		if (net_Url != null && net_object != null) {
@@ -54,224 +52,65 @@ class Leenkx {
 				}
 
 				if (object != null) {
-					final loadEvent = Event.get(Leenkx.onLoadEvent);
-					final openEvent = Event.get(Leenkx.onOpenEvent);
-					final messageEvent = Event.get(Leenkx.onMessageEvent);
-					final errorEvent = Event.get(Leenkx.onErrorEvent);
-					final closeEvent = Event.get(Leenkx.onCloseEvent);
-					final seenEvent = Event.get(Leenkx.onSeenEvent);
-					final serverEvent = Event.get(Leenkx.onServerEvent);
-					final connectionsEvent = Event.get(Leenkx.onConnectionsEvent);
-					final pingEvent = Event.get(Leenkx.onPingEvent);
-					final leftEvent = Event.get(Leenkx.onLeftEvent);
-					final timeoutEvent = Event.get(Leenkx.onTimeOutEvent);
-					final rpcEvent = Event.get(Leenkx.onRpcEvent);
-					final rpcresponseEvent = Event.get(Leenkx.onRpcResponseEvent);
-					final wireleftEvent = Event.get(Leenkx.onWireLeftEvent);
-					final wireseenEvent = Event.get(Leenkx.onWireSeenEvent);
-					final torrentEvent = Event.get(Leenkx.onTorrentEvent);
-					final trackerEvent = Event.get(Leenkx.onTrackerEvent);
-					final announceEvent = Event.get(Leenkx.onAnnounceEvent);
-					final torrentDoneEvent = Event.get(Leenkx.onTorrentDoneEvent);
+					var uid = object.uid;
 
 					Leenkx.connections[net_Url].onopen = function() {
-						if (openEvent != null) {
-							for (e in openEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onOpenEvent, uid);
 					};
 					Leenkx.connections[net_Url].onmessage = function() {
-						if (messageEvent != null) {
-							for (e in messageEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onMessageEvent, uid);
 					};
 					Leenkx.connections[net_Url].onerror = function() {
-						if (errorEvent != null) {
-							for (e in errorEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onErrorEvent, uid);
 					};
 					Leenkx.connections[net_Url].onclose = function() {
-						if (closeEvent != null) {
-							for (e in closeEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onCloseEvent, uid);
 					};
 					Leenkx.connections[net_Url].onseen = function() {
-						if (seenEvent != null) {
-							for (e in seenEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onSeenEvent, uid);
 					};
 					Leenkx.connections[net_Url].onserver = function() {
-						if (serverEvent != null) {
-							for (e in serverEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onServerEvent, uid);
 					};
 					Leenkx.connections[net_Url].onconnections = function() {
-						if (connectionsEvent != null) {
-							for (e in connectionsEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onConnectionsEvent, uid);
 					};
 					Leenkx.connections[net_Url].onping = function() {
-						if (pingEvent != null) {
-							for (e in pingEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onPingEvent, uid);
 					};
 					Leenkx.connections[net_Url].onleft = function() {
-						if (leftEvent != null) {
-							for (e in leftEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onLeftEvent, uid);
 					};
 					Leenkx.connections[net_Url].ontimeout = function() {
-						if (timeoutEvent != null) {
-							for (e in timeoutEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
-					};
-					Leenkx.connections[net_Url].onrpc = function() {
-						if (rpcEvent != null) {
-							for (e in rpcEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
-					};
-					Leenkx.connections[net_Url].onrpcresponse = function() {
-						if (rpcresponseEvent != null) {
-							for (e in rpcresponseEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onTimeOutEvent, uid);
 					};
 					Leenkx.connections[net_Url].onwireleft = function() {
-						if (wireleftEvent != null) {
-							for (e in wireleftEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onWireLeftEvent, uid);
 					};
 					Leenkx.connections[net_Url].onwireseen = function() {
-						if (wireseenEvent != null) {
-							for (e in wireseenEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onWireSeenEvent, uid);
 					};
 					Leenkx.connections[net_Url].ontorrent = function() {
-						if (torrentEvent != null) {
-							for (e in torrentEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onTorrentEvent, uid);
+					};
+					Leenkx.connections[net_Url].ontorrentadded = function() {
+						Event.send(Leenkx.onTorrentAddedEvent, uid);
 					};
 					Leenkx.connections[net_Url].ontracker = function() {
-						if (trackerEvent != null) {
-							for (e in trackerEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onTrackerEvent, uid);
 					};
 					Leenkx.connections[net_Url].onannounce = function() {
-						if (announceEvent != null) {
-							for (e in announceEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onAnnounceEvent, uid);
 					};
 					Leenkx.connections[net_Url].onload = function() {
-						if (loadEvent != null) {
-							for (e in loadEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onLoadEvent, uid);
 					};
 					Leenkx.connections[net_Url].ontorrentdone = function() {
-						if (torrentDoneEvent != null) {
-							for (e in torrentDoneEvent) {
-								if (e.mask == object.uid) {
-									e.onEvent();
-								}
-							}
-						}
+						Event.send(Leenkx.onTorrentDoneEvent, uid);
 					};
 
-					#if js
-					var lnxjs:Dynamic = js.Lib.global;
 					var connectionUrl = net_Url;
-					
-					if (lnxjs.Leenkx != null) {
-						if (lnxjs.lnxNew == null) {
-							js.Syntax.code('globalThis.lnxNew = function(url) { return new Leenkx(url); }');
-						}
 					Leenkx.connections[connectionUrl].onload();
-					} else {
-						kha.Assets.loadBlobFromPath("Leenkx.js", function(b: kha.Blob) {
-							if (b != null) {
-								js.Syntax.code("(1,eval)({0})", b.toString());
-								if (lnxjs.Leenkx != null && lnxjs.lnxNew == null) {
-									js.Syntax.code('globalThis.lnxNew = function(url) { return new Leenkx(url); }');
-								}
-							} else {
-								trace("Warning: Leenkx.js blob is null - file may not be in assets");
-							}
-							Leenkx.connections[connectionUrl].onload();
-						}, function(err: kha.AssetError) {
-							trace("ERROR loading Leenkx.js: " + err.url + " - " + err.error);
-							Leenkx.connections[connectionUrl].onload();
-						});
-					}
-					#end
 				}
 			}
 		}
@@ -281,7 +120,7 @@ class Leenkx {
 
 class LeenkxSocket {
 	public var _url:String;
-	public var client:haxe.DynamicAccess<Dynamic>;
+	public var client:LeenkxClient;
 	public var buffer:Dynamic;
 	public var onopen:Void->Void;
 	public var onclose:Void->Void;
@@ -293,11 +132,10 @@ class LeenkxSocket {
 	public var onping:Void->Void;
 	public var onleft:Void->Void;
 	public var ontimeout:Void->Void;
-	public var onrpc:Void->Void;
-	public var onrpcresponse:Void->Void;
 	public var onwireleft:Void->Void;
 	public var onwireseen:Void->Void;
 	public var ontorrent:Void->Void;
+	public var ontorrentadded:Void->Void;
 	public var ontracker:Void->Void;
 	public var onannounce:Void->Void;
 	public var onload:Void->Void;
@@ -308,3 +146,4 @@ class LeenkxSocket {
 	}
 
 }
+#end

leenkx/Sources/leenkx/network/Log.hx

@@ -1,51 +0,0 @@
-package leenkx.network;
-
-class Log {
-	public static inline var INFO:Int =  0x000001;
-	public static inline var DEBUG:Int = 0x000010;
-	public static inline var DATA:Int =  0x000100;
-
-	public static var mask:Int = 0;
-
-	#if (sys || kha_krom)
-	public static var logFn:Dynamic->Void = function(data:Dynamic) { trace(data); };
-	#elseif js
-	public static var logFn:Dynamic->Void = js.html.Console.log;
-	#end
-
-	public static function info(data:String, id:String = null) {
-		if (mask & INFO != INFO) {
-			return;
-		}
-
-		if (id != null) {
-			logFn('INFO  :: ID-${id} :: ${data}');
-		} else {
-			logFn('INFO  :: ${data}');
-		}
-	}
-
-	public static function debug(data:String, id:String = null) {
-		if (mask & DEBUG != DEBUG) {
-			return;
-		}
-
-		if (id != null) {
-			logFn('DEBUG :: ID-${id} :: ${data}');
-		} else {
-			logFn('DEBUG :: ${data}');
-		}
-	}
-
-	public static function data(data:String, id:String = null) {
-		if (mask & DATA != DATA) {
-			return;
-		}
-
-		if (id != null) {
-			logFn('DATA  :: ID-${id}\n------------------------------\n${data}\n------------------------------');
-		} else {
-			logFn('${data}');
-		}
-	}
-}

leenkx/Sources/leenkx/network/WebSocket.hx

@@ -136,20 +136,45 @@ import haxe.io.Bytes;
 
 class WebSocket {
 	private var _url:String;
-
+	private var _protocols:Array<String> = null;
 	private var _ws:js.html.WebSocket = null;
 
-	public function new(url:String, immediateOpen=true) {
+	public var state(get, null): State;
+	function get_state() {
+		if (_ws == null) return Closed;
+		switch (_ws.readyState) {
+			case js.html.WebSocket.CONNECTING:
+				return Handshake;
+			case js.html.WebSocket.OPEN:
+				return Body;
+		}
+
+		return Closed;
+	}
+
+	public var protocol(get, null): String;
+	function get_protocol() {
+		if (_ws == null)
+			return null;
+		return _ws.protocol;
+	}
+
+	public function new(url:String, immediateOpen=true, protocols:Array<String> = null) {
 		_url = url;
+		_protocols = protocols;
 		if (immediateOpen) {
 			open();
 		}
 	}
 
 	private function createSocket() {
+		if (_protocols == null) {
 			return new js.html.WebSocket(_url);
 		}
 
+		return new js.html.WebSocket(_url, _protocols);
+	}
+
 	public function open() {
 		if (_ws != null) {
 			throw "Socket already connected";
@@ -292,6 +317,10 @@ class WebSocket extends WebSocketCommon {
 	public var _host:String;
 	public var _port:Int = 0;
 	public var _path:String;
+	public var _search:String;
+
+	private var _protocols:Array<String>;
+	public var protocol(default, null):String = null;
 
 	private var _processThread:Thread;
 	private var _encodedKey:String = "wskey";
@@ -300,8 +329,9 @@ class WebSocket extends WebSocketCommon {
 
 	public var additionalHeaders(get, null):Map<String, String>;
 
-	public function new(url:String, immediateOpen=true) {
+	public function new(url:String, immediateOpen=true, protocols:Array<String> = null) {
 		parseUrl(url);
+		_protocols = protocols;
 
 		super(createSocket());
 
@@ -310,40 +340,42 @@ class WebSocket extends WebSocketCommon {
 		}
 	}
 
-	inline private function parseUrl(url)
+	inline private function parseUrl(url:String)
 	{	
-		/** TO DO - FIND OUT WHAT IS BREAKING REGEX IN THE NEW PCRE2 FOR HL C 
-
-		var urlRegExp = ~/^(\w+?):\/\/([\w\.-]+)(:(\d+))?(\/.*)?$/;
-
-		if ( ! urlRegExp.match(url)) {
+		var sep = url.indexOf("://");
+		if (sep < 0) {
 			throw 'Uri not matching websocket URL "${url}"';
 		}
+		_protocol = url.substr(0, sep);
+		var rest = url.substr(sep + 3);
 
-		_protocol = urlRegExp.matched(1);
+		var pathStart = rest.length;
+		var slashIdx = rest.indexOf("/");
+		var qIdx = rest.indexOf("?");
+		if (slashIdx >= 0 && slashIdx < pathStart) pathStart = slashIdx;
+		if (qIdx >= 0 && qIdx < pathStart) pathStart = qIdx;
 
-		_host = urlRegExp.matched(2);
+		var hostPort = rest.substr(0, pathStart);
+		var pathAndSearch = rest.substr(pathStart);
 
-		var parsedPort = Std.parseInt(urlRegExp.matched(4));
+		var colonIdx = hostPort.indexOf(":");
+		if (colonIdx >= 0) {
+			_host = hostPort.substr(0, colonIdx);
+			var parsedPort = Std.parseInt(hostPort.substr(colonIdx + 1));
 			if (parsedPort > 0) {
 				_port = parsedPort;
 			}
-		_path = urlRegExp.matched(5);
-		if (_path == null || _path.length == 0) {
-			_path = "/";
+		} else {
+			_host = hostPort;
 		}
-		**/
-		var urlArr = url.split(":");
-		if ( urlArr.length < 3) {
-			throw 'Uri not matching websocket URL "${url}"';
+
+		_path = pathAndSearch;
+		_search = null;
+		var searchIdx = pathAndSearch.indexOf("?");
+		if (searchIdx >= 0) {
+			_path = pathAndSearch.substr(0, searchIdx);
+			_search = pathAndSearch.substr(searchIdx);
 		}
-		_protocol = urlArr[0];
-		_host = urlArr[1].substr(2, urlArr[1].length);
-		var parsedPort = Std.parseInt(urlArr[2].split("/")[0]);
-		if (parsedPort > 0 ) {
-			_port = parsedPort;
-		}
-		_path = urlArr[2].substr(urlArr[2].split("/")[0].length, urlArr[2].length);
 		if (_path == null || _path.length == 0) {
 			_path = "/";
 		}
@@ -388,9 +420,7 @@ class WebSocket extends WebSocketCommon {
 		#else
 
 		haxe.MainLoop.addThread(function() {
-			Log.debug("Thread started", this.id);
 			processLoop(this);
-			Log.debug("Thread ended", this.id);
 		});
 
 		#end
@@ -399,16 +429,13 @@ class WebSocket extends WebSocketCommon {
 	}
 
 	private function processThread() {
-		Log.debug("Thread started", this.id);
 		var ws:WebSocket = Thread.readMessage(true);
 		processLoop(this);
-		Log.debug("Thread ended", this.id);
 	}
 
 	private function processLoop(ws:WebSocket) {
 		while (ws.state != State.Closed) { // TODO: should think about mutex
 			ws.process();
-			Sys.sleep(.01);
 		}
 	}
 
@@ -422,8 +449,7 @@ class WebSocket extends WebSocketCommon {
 	public function sendHandshake() {
 		var httpRequest = new HttpRequest();
 		httpRequest.method = "GET";
-		// TODO: should propably be hostname+port+path?
-		httpRequest.uri = _path;
+		httpRequest.uri = (_search != null) ? _path + _search : _path;
 		httpRequest.httpVersion = "HTTP/1.1";
 
 		httpRequest.headers.set(HttpHeader.HOST, _host + ":" + _port);
@@ -435,6 +461,9 @@ class WebSocket extends WebSocketCommon {
 		httpRequest.headers.set(HttpHeader.CACHE_CONTROL, "no-cache");
 		httpRequest.headers.set(HttpHeader.ORIGIN, _socket.host().host.toString() + ":" + _socket.host().port);
 
+		if (_protocols != null) {
+			httpRequest.headers.set(HttpHeader.SEC_WEBSOCKET_PROTOCOL, _protocols.join(', '));
+		}
 
 		_encodedKey = generateWSKey();
 		httpRequest.headers.set(HttpHeader.SEC_WEBSOCKET_KEY, _encodedKey);
@@ -487,16 +516,18 @@ class WebSocket extends WebSocketCommon {
 			}
 		}
 
+		var protocol = httpResponse.headers.get(HttpHeader.SEC_WEBSOCKET_PROTOCOL);
+		if (protocol != null) {
+			this.protocol = protocol;
+		}
+
 		_onopenCalled = false;
 		state = State.Head;
 	}
 
 	private function generateWSKey():String {
-		var b = Bytes.alloc(16);
-		for (i in 0...16) {
-			b.set(i, Std.random(255));
-		}
-		return Base64.encode(b);
+		return haxe.crypto.Base64.encode(
+			leenkx.network.torrent.Crypto.randomBytes(16));
 	}
 }
 

leenkx/Sources/leenkx/network/WebSocketCommon.hx

@@ -38,7 +38,6 @@ class WebSocketCommon {
 
 	public function send(data:Any) {
 		if (Std.isOfType(data, String)) {
-			Log.data(data, id);
 			sendFrame(Utf8Encoder.encode(data), OpCode.Text);
 		} else if (Std.isOfType(data, Bytes)) {
 			sendFrame(data, OpCode.Binary);
@@ -118,7 +117,6 @@ class WebSocketCommon {
 								}
 							} else {
 								var stringPayload = Utf8Encoder.decode(unmaskedMessageData);
-								Log.data(stringPayload, id);
 								if (this.onmessage != null) {
 									this.onmessage(StrMessage(stringPayload));
 								}
@@ -138,14 +136,12 @@ class WebSocketCommon {
 			case State.Closed:
 				close();
 			case _:
-				trace('State not impl: ${state}');
 		}
 	}
 
 	public function close() {
 		if (state != State.Closed) {
 			try {
-				Log.debug("Closed", id);
 				sendFrame(Bytes.alloc(0), OpCode.Close);
 				state = State.Closed;
 				_socket.close();
@@ -162,7 +158,6 @@ class WebSocketCommon {
 			_socket.output.write(data);
 			_socket.output.flush();
 		} catch (e:Dynamic) {
-			Log.debug(Std.string(e), id);
 			if (onerror != null) {
 				onerror(Std.string(e));
 			}
@@ -195,17 +190,24 @@ class WebSocketCommon {
 	}
 
 	private static function generateMask() {
-		var maskData = Bytes.alloc(4);
-		maskData.set(0, Std.random(256));
-		maskData.set(1, Std.random(256));
-		maskData.set(2, Std.random(256));
-		maskData.set(3, Std.random(256));
-		return maskData;
+		return leenkx.network.torrent.Crypto.randomBytes(4);
 	}
 
 	private static function applyMask(payload:Bytes, mask:Bytes) {
 		var maskedPayload = Bytes.alloc(payload.length);
-		for (n in 0 ... payload.length) maskedPayload.set(n, payload.get(n) ^ mask.get(n % mask.length));
+		var m0 = mask.get(0), m1 = mask.get(1), m2 = mask.get(2), m3 = mask.get(3);
+		var i = 0;
+		while (i + 3 < payload.length) {
+			maskedPayload.set(i, payload.get(i) ^ m0);
+			maskedPayload.set(i + 1, payload.get(i + 1) ^ m1);
+			maskedPayload.set(i + 2, payload.get(i + 2) ^ m2);
+			maskedPayload.set(i + 3, payload.get(i + 3) ^ m3);
+			i += 4;
+		}
+		while (i < payload.length) {
+			maskedPayload.set(i, payload.get(i) ^ mask.get(i & 3));
+			i++;
+		}
 		return maskedPayload;
 	}
 
@@ -230,7 +232,6 @@ class WebSocketCommon {
 		try {
 			result = SocketImpl.select([_socket], null, null, 0.01);
 		} catch (e:Dynamic) {
-			Log.debug("Error selecting socket: " + e);
 			needClose = true;
 		}
 
@@ -238,12 +239,11 @@ class WebSocketCommon {
 			if (result.read.length > 0) {
 				try {
 					while (true) {
-						var data = Bytes.alloc(1024);
+						var data = Bytes.alloc(65536);
 						var read = _socket.input.readBytes(data, 0, data.length);
 						if (read <= 0){
 							break;
 						}
-						Log.debug("Bytes read: " + read, id);
 						_buffer.writeBytes(data.sub(0, read));
 					}
 				} catch (e:Dynamic) {
@@ -259,7 +259,7 @@ class WebSocketCommon {
 					}
 					#else
 
-					needClose = !(e == 'Blocking' || (Std.isOfType(e, Error) && (e:Error).match(Error.Blocked)));
+					needClose = !(e == 'Blocking' || (Std.isOfType(e, Error) && (e:Error).match(Error.Blocked)) || (state == Handshake && e == haxe.io.Eof));
 
 					#end
 				}
@@ -273,7 +273,6 @@ class WebSocketCommon {
 		if (needClose == true) { // dont want to send the Close frame here
 			if (state != State.Closed) {
 				try {
-					Log.debug("Closed", id);
 					state = State.Closed;
 					_socket.close();
 				} catch (e:Dynamic) { }
@@ -288,8 +287,6 @@ class WebSocketCommon {
 	public function sendHttpRequest(httpRequest:HttpRequest) {
 		var data = httpRequest.build();
 
-		Log.data(data, id);
-
 		try {
 			_socket.output.write(Bytes.ofString(data));
 			_socket.output.flush();
@@ -304,8 +301,6 @@ class WebSocketCommon {
 	public function sendHttpResponse(httpResponse:HttpResponse) {
 		var data = httpResponse.build();
 
-		Log.data(data, id);
-
 		_socket.output.write(Bytes.ofString(data));
 		_socket.output.flush();
 	}
@@ -325,8 +320,6 @@ class WebSocketCommon {
 			httpRequest.addLine(line);
 		}
 
-		Log.data(httpRequest.toString(), id);
-
 		return httpRequest;
 	}
 
@@ -346,8 +339,6 @@ class WebSocketCommon {
 
 		}
 
-		Log.data(httpResponse.toString(), id);
-
 		return httpResponse;
 	}
 

leenkx/Sources/leenkx/network/WebSocketHandler.hx

@@ -13,7 +13,6 @@ class WebSocketHandler extends Handler {
 		_creationTime = Sys.time();
 		#end
 		_socket.setBlocking(false);
-		Log.debug('New socket handler', id);
 	}
 
 	public override function handle() {
@@ -23,7 +22,6 @@ class WebSocketHandler extends Handler {
 		var currentTime = Sys.time();
 		#end
 		if (this.state == State.Handshake && currentTime - _creationTime > (MAX_WAIT_TIME / 1000)) {
-			Log.info('No handshake detected in ${MAX_WAIT_TIME}ms, closing connection', id);
 			this.close();
 			return;
 		}
@@ -70,10 +68,8 @@ class WebSocketHandler extends Handler {
 			httpResponse.headers.set(HttpHeader.CONNECTION, "close");
 			httpResponse.headers.set(HttpHeader.X_WEBSOCKET_REJECT_REASON, 'Unsupported connection header: ${httpRequest.headers.get(HttpHeader.CONNECTION)}.');
 		} else {
-			Log.debug('Handshaking', id);
 			var key = httpRequest.headers.get(HttpHeader.SEC_WEBSOCKET_KEY);
 			var result = makeWSKeyResponse(key);
-			Log.debug('Handshaking key - ${result}', id);
 
 			httpResponse.code = 101;
 			httpResponse.text = "Switching Protocols";
@@ -82,14 +78,21 @@ class WebSocketHandler extends Handler {
 			httpResponse.headers.set(HttpHeader.SEC_WEBSOSCKET_ACCEPT, result);
 		}
 
+		function callback(httpResponse: HttpResponse) {
 			sendHttpResponse(httpResponse);
 
 			if (httpResponse.code == 101) {
 				_onopenCalled = false;
 				state = State.Head;
-			Log.debug('Connected', id);
 			} else {
 				close();
 			}
 		}
+
+		if (validateHandshake != null) {
+			validateHandshake(httpRequest, httpResponse, callback);
+		} else {
+			callback(httpResponse);
+		}
+	}
 }

leenkx/Sources/leenkx/network/WebSocketServer.hx

@@ -60,7 +60,6 @@ class WebSocketServer
 		_serverSocket.bind(new sys.net.Host(_host), _port);
 		#end
 		_serverSocket.listen(_maxConnections);
-		Log.info('Starting server - ${_host}:${_port} (maxConnections: ${_maxConnections})');
 
 		#if kha_krom
 		kha.Scheduler.addTimeTask(function() {
@@ -114,7 +113,6 @@ class WebSocketServer
 		var handler = new T(socket);
 		handlers.push(handler);
 
-		Log.debug("Adding to web server handler to list - total: " + handlers.length, handler.id);
 		if (onClientAdded != null) {
 			onClientAdded(handler);
 		}
@@ -174,7 +172,6 @@ class WebSocketServer
 
 		for (h in toRemove) {
 			handlers.remove(h);
-			Log.debug("Removing web server handler from list - total: " + handlers.length, h.id);
 			if (onClientRemoved != null) {
 				onClientRemoved(h);
 			}
@@ -186,7 +183,6 @@ class WebSocketServer
 		while (_handlersClosed.length > 0) {
 			var h = _handlersClosed.shift();
 			handlers.remove(h);
-			Log.debug("Removing web server handler from list - total: " + handlers.length, h.id);
 			if (onClientRemoved != null) {
 				onClientRemoved(h);
 			}

leenkx/Sources/leenkx/network/krom/KromSecureSocket.hx

@@ -52,8 +52,15 @@ class KromSecureSocket extends KromSocket {
 	}
 	
 	override public function connect(host:KromHost, port:Int):Void {
+		setBlocking(true);
+		try {
 			super.connect(host, port);
 			enableSSL();
+			setBlocking(false);
+		} catch (e:Dynamic) {
+			setBlocking(false);
+			trace('Failed Krom Host');
+		}
 	}
 	
 	public function isSSLEnabled():Bool {

leenkx/Sources/leenkx/network/krom/KromSocket.hx

@@ -43,6 +43,9 @@ class KromSocket {
 	}
 	
 	private function setSocketId(id:Int):Void {
+		if (_socketId >= 0) {
+			krom_socket_close(_socketId);
+		}
 		_socketId = id;
 		if (_socketId >= 0) {
 			input = new KromSocketInput(this);
@@ -247,3 +250,29 @@ class KromHost {
 		return host;
 	}
 }
+// TODO: Replace all ticks timers and intervals for events 
+class KromPump {
+	static var ticks:Array<Void -> Void> = [];
+	static var timer:haxe.Timer = null;
+
+	public static function add(tick:Void -> Void):Void {
+		if (!ticks.contains(tick)) ticks.push(tick);
+		if (timer == null) {
+			timer = new haxe.Timer(10);
+			timer.run = runAll;
+		}
+	}
+	public static function remove(tick:Void -> Void):Void {
+		ticks.remove(tick);
+		if (ticks.length == 0 && timer != null) {
+			timer.stop();
+			timer = null;
+		}
+	}
+	static function runAll():Void {
+		var snapshot = ticks.copy();
+		for (tick in snapshot) {
+			if (ticks.contains(tick)) tick();
+		}
+	}
+}

leenkx/Sources/leenkx/network/krom/KromUdpSocket.hx

@@ -0,0 +1,70 @@
+package leenkx.network.krom;
+
+import haxe.io.Bytes;
+
+@:native("krom_udp_create") extern function krom_udp_create():Int;
+@:native("krom_udp_bind") extern function krom_udp_bind(id:Int,
+	addr:String, port:Int):Bool;
+@:native("krom_udp_sendto") extern function krom_udp_sendto(id:Int,
+	host:String, port:Int, data:js.lib.ArrayBuffer):Int;
+@:native("krom_udp_recvfrom") extern function krom_udp_recvfrom(id:Int,
+	maxLen:Int):Dynamic;
+@:native("krom_socket_close") extern function krom_udp_close(id:Int):Void;
+@:native("krom_socket_set_blocking")
+extern function krom_udp_set_blocking(id:Int, blocking:Bool):Void;
+
+class KromUdpSocket {
+	private var _socketId:Int = -1;
+
+	public function new() {
+		_socketId = krom_udp_create();
+		setBlocking(false);
+	}
+
+	public function bind(host:KromSocket.KromHost, port:Int):Void {
+		if (_socketId >= 0) {
+			if (!krom_udp_bind(_socketId, host.host, port)) {
+				trace("UDP bind failed to " + host.host + ":" + port);
+			}
+		}
+	}
+
+	public function sendTo(data:Bytes, pos:Int, len:Int,
+			host:KromSocket.KromHost, port:Int):Int {
+		if (_socketId < 0) return 0;
+		var arrayBuffer:js.lib.ArrayBuffer = data.getData();
+		var exact:js.lib.ArrayBuffer =
+			untyped arrayBuffer.slice(pos, pos + len);
+		return krom_udp_sendto(_socketId, host.host, port, exact);
+	}
+
+	public function recvFrom(maxLength:Int):{data:Bytes, host:String,
+			port:Int} {
+		if (_socketId < 0) return null;
+		var result:Dynamic = krom_udp_recvfrom(_socketId, maxLength);
+		if (result == -1) {
+			_socketId = -1;
+			trace("Closed");
+			return null;
+		}
+		if (result == null || Std.isOfType(result, Int)) return null;
+		return {
+			data: Bytes.ofData(result.data),
+			host: result.host,
+			port: result.port
+		};
+	}
+
+	public function setBlocking(blocking:Bool):Void {
+		if (_socketId >= 0) {
+			krom_udp_set_blocking(_socketId, blocking);
+		}
+	}
+
+	public function close():Void {
+		if (_socketId >= 0) {
+			krom_udp_close(_socketId);
+			_socketId = -1;
+		}
+	}
+}

leenkx/Sources/leenkx/network/torrent/Aegis128x4.hx

@@ -0,0 +1,209 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+class Aegis128x4 {
+	static inline var D = 4;
+	static inline var RATE = 128; 
+
+	static var C0 = Bytes.ofHex("000101020305080d1522375990e97962");
+	static var C1 = Bytes.ofHex("db3d18556dc22ff12011314273b528dd");
+
+	var v:Bytes;
+	var nv:Bytes;
+	var t:Bytes;
+	var t2:Bytes;
+
+	public function new(key:Bytes, nonce:Bytes) {
+		v = Bytes.alloc(512);
+		nv = Bytes.alloc(512);
+		t = Bytes.alloc(16);
+		t2 = Bytes.alloc(16);
+		init(key, nonce);
+	}
+
+	static inline function off(j:Int, i:Int):Int {
+		return (j * D + i) * 16;
+	}
+
+	static inline function xtime(x:Int):Int {
+		return ((x << 1) ^ ((x >> 7) * 0x1b)) & 0xff;
+	}
+
+	static function xorInto(a:Bytes, ao:Int, b:Bytes, bo:Int, out:Bytes, oo:Int):Void {
+		for (k in 0...16) out.set(oo + k, a.get(ao + k) ^ b.get(bo + k));
+	}
+
+	function aesRound(inOff:Int, rk:Bytes, rkOff:Int, out:Bytes, outOff:Int):Void {
+		for (c in 0...4) for (r in 0...4)
+			t2.set(4 * c + r, SBOX[v.get(inOff + 4 * ((c + r) & 3) + r)]);
+		for (c in 0...4) {
+			var b0 = t2.get(4 * c);
+			var b1 = t2.get(4 * c + 1);
+			var b2 = t2.get(4 * c + 2);
+			var b3 = t2.get(4 * c + 3);
+			out.set(outOff + 4 * c,     (xtime(b0) ^ xtime(b1) ^ b1 ^ b2 ^ b3) ^ rk.get(rkOff + 4 * c));
+			out.set(outOff + 4 * c + 1, (b0 ^ xtime(b1) ^ xtime(b2) ^ b2 ^ b3) ^ rk.get(rkOff + 4 * c + 1));
+			out.set(outOff + 4 * c + 2, (b0 ^ b1 ^ xtime(b2) ^ xtime(b3) ^ b3) ^ rk.get(rkOff + 4 * c + 2));
+			out.set(outOff + 4 * c + 3, (xtime(b0) ^ b0 ^ b1 ^ b2 ^ xtime(b3)) ^ rk.get(rkOff + 4 * c + 3));
+		}
+	}
+
+	function update(m0:Bytes, m0off:Int, m1:Bytes, m1off:Int):Void {
+		for (i in 0...D) {
+			xorInto(v, off(0, i), m0, m0off + i * 16, t, 0);
+			aesRound(off(7, i), t, 0, nv, off(0, i));
+			aesRound(off(0, i), v, off(1, i), nv, off(1, i));
+			aesRound(off(1, i), v, off(2, i), nv, off(2, i));
+			aesRound(off(2, i), v, off(3, i), nv, off(3, i));
+			xorInto(v, off(4, i), m1, m1off + i * 16, t, 0);
+			aesRound(off(3, i), t, 0, nv, off(4, i));
+			aesRound(off(4, i), v, off(5, i), nv, off(5, i));
+			aesRound(off(5, i), v, off(6, i), nv, off(6, i));
+			aesRound(off(6, i), v, off(7, i), nv, off(7, i));
+		}
+		v.blit(0, nv, 0, 512);
+	}
+
+	function init(key:Bytes, nonce:Bytes):Void {
+		var kn = Bytes.alloc(16);
+		var kc0 = Bytes.alloc(16);
+		var kc1 = Bytes.alloc(16);
+		for (k in 0...16) {
+			kn.set(k, key.get(k) ^ nonce.get(k));
+			kc0.set(k, key.get(k) ^ C0.get(k));
+			kc1.set(k, key.get(k) ^ C1.get(k));
+		}
+		for (i in 0...D) {
+			v.blit(off(0, i), kn, 0, 16);
+			v.blit(off(1, i), C1, 0, 16);
+			v.blit(off(2, i), C0, 0, 16);
+			v.blit(off(3, i), C1, 0, 16);
+			v.blit(off(4, i), kn, 0, 16);
+			v.blit(off(5, i), kc0, 0, 16);
+			v.blit(off(6, i), kc1, 0, 16);
+			v.blit(off(7, i), kc0, 0, 16);
+		}
+		var m0 = Bytes.alloc(64);
+		var m1 = Bytes.alloc(64);
+		for (i in 0...D) {
+			m0.blit(i * 16, nonce, 0, 16);
+			m1.blit(i * 16, key, 0, 16);
+		}
+		for (r in 0...10) {
+			for (i in 0...D) {
+				v.set(off(3, i), v.get(off(3, i)) ^ i);
+				v.set(off(3, i) + 1, v.get(off(3, i) + 1) ^ (D - 1));
+				v.set(off(7, i), v.get(off(7, i)) ^ i);
+				v.set(off(7, i) + 1, v.get(off(7, i) + 1) ^ (D - 1));
+			}
+			update(m0, 0, m1, 0);
+		}
+	}
+
+	public function absorb(ai:Bytes, aiOff:Int):Void {
+		update(ai, aiOff, ai, aiOff + 64);
+	}
+
+	public function enc(xi:Bytes, xiOff:Int):Bytes {
+		var out = Bytes.alloc(RATE);
+		for (i in 0...D) {
+			for (k in 0...16) {
+				var z0 = v.get(off(1, i) + k) ^ v.get(off(6, i) + k)
+					^ (v.get(off(2, i) + k) & v.get(off(3, i) + k));
+				var z1 = v.get(off(2, i) + k) ^ v.get(off(5, i) + k)
+					^ (v.get(off(6, i) + k) & v.get(off(7, i) + k));
+				out.set(i * 16 + k, xi.get(xiOff + i * 16 + k) ^ z0);
+				out.set(64 + i * 16 + k, xi.get(xiOff + 64 + i * 16 + k) ^ z1);
+			}
+		}
+		update(xi, xiOff, xi, xiOff + 64);
+		return out;
+	}
+
+	public function nextBlock():Bytes {
+		var out = Bytes.alloc(RATE);
+		for (i in 0...D) {
+			for (k in 0...16) {
+				out.set(i * 16 + k, v.get(off(1, i) + k) ^ v.get(off(6, i) + k)
+					^ (v.get(off(2, i) + k) & v.get(off(3, i) + k)));
+				out.set(64 + i * 16 + k, v.get(off(2, i) + k) ^ v.get(off(5, i) + k)
+					^ (v.get(off(6, i) + k) & v.get(off(7, i) + k)));
+			}
+		}
+		for (i in 0...D) {
+			aesRound(off(7, i), v, off(0, i), nv, off(0, i));
+			aesRound(off(0, i), v, off(1, i), nv, off(1, i));
+			aesRound(off(1, i), v, off(2, i), nv, off(2, i));
+			aesRound(off(2, i), v, off(3, i), nv, off(3, i));
+			aesRound(off(3, i), v, off(4, i), nv, off(4, i));
+			aesRound(off(4, i), v, off(5, i), nv, off(5, i));
+			aesRound(off(5, i), v, off(6, i), nv, off(6, i));
+			aesRound(off(6, i), v, off(7, i), nv, off(7, i));
+		}
+		v.blit(0, nv, 0, 512);
+		return out;
+	}
+
+	public static function selfTest():Bool {
+		var key = Bytes.ofHex("000102030405060708090a0b0c0d0e0f");
+		var nonce = Bytes.ofHex("101112131415161718191a1b1c1d1e1f");
+		var a = new Aegis128x4(key, nonce);
+		var expected = Bytes.ofHex(
+			"924eb07635003a37e6c6575ba8ce1929c8b6a5d91475445e936d48e794be0ce2" +
+			"fcd37d050e24084befe3bbb219d647602e9f58cfb893a8800220242c373a8b18" +
+			"1a1f60c4fab64e5471dc72edfcf6fe6bc1e525ebea2d6375a9edd045dce96381" +
+			"97a3e25abd228a44d4a14a6d3fe9185cc2d4cf7f4287a98744645674265d4ca8" +
+			"7bb50c534f6ec4780530ff1cce8a16e87b08d57557da0b5ef7b5f7d98b0ba189" +
+			"6bfcac34ddb68404821a4d665303cb0fd95626f6dfad1aed7467622c38529932" +
+			"af339fd2d50ee45fc47665c647cf6586d0669b39d140f0e118a4a511efe2f95a" +
+			"7a94330f35c194fadda2a87e42cdeccc233b640d1f4d56e2757e72c1a9d8ecb1" +
+			"9f93737d699ba05c11e94f2b201bef5e61caf387cf7cfd3f8300ac7680ccfd76" +
+			"5825a671ecef03b7a9c98a601ae3211587a1fe4d558161a8f4c38731f3223032" +
+			"7a5aca78d636c05bbc702b2980196ab6915d868408495d07eb527789f282c575" +
+			"d0947bfbc1d3309cdffc9be1503aea628834ea57a15b9fbdc0245464a4b8cbef" +
+			"e46f4cf71a95ac45b6f0823e3aba1a868c4ecef682fc44a8eba911b3fc7d99f9" +
+			"a4fb61e2c928a2ca760b8772f2ea5f2e3d34ea89da73caa3016c280500a155a3" +
+			"85075f0080e9d618e7eb40f57c32d9f7d2ab2b320c6e93b155a3787cb83e5281" +
+			"0b3af0250ae36831a1b072e499929bcb5cce4d00329d69f1aae36aa541347512");
+		if (expected.compare(a.v) != 0) {
+			return false;
+		}
+		var ad = Bytes.alloc(128);
+		for (k in 0...8) ad.set(k, [1, 2, 3, 4][k & 3]);
+		a.absorb(ad, 0);
+		var msg = Bytes.alloc(128);
+		for (k in 0...120) msg.set(k, [4, 5, 6, 7][k & 3]);
+		var ct = a.enc(msg, 0);
+		var expectedCt = Bytes.ofHex(
+			"e836118562f4479c9d35c17356a833114c21f9aa39e4dda5e5c87f4152a00fce" +
+			"9a7c38f832eafe8b1c12f8a7cf12a81a1ad8a9c24ba9dedfbdaa586ffea67ddc" +
+			"801ea97d9ab4a872f42d0e352e2713dacd609f9442c17517c5a29daf3e2a3fac" +
+			"4ff6b1380c4e46df7b086af6ce6bc1ed594b8dd64aed2a7e");
+		for (k in 0...120) {
+			if (ct.get(k) != expectedCt.get(k)) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	static var SBOX = [
+		0x63,0x7c,0x77,0x7b,0xf2,0x6b,0x6f,0xc5,0x30,0x01,0x67,0x2b,0xfe,0xd7,0xab,0x76,
+		0xca,0x82,0xc9,0x7d,0xfa,0x59,0x47,0xf0,0xad,0xd4,0xa2,0xaf,0x9c,0xa4,0x72,0xc0,
+		0xb7,0xfd,0x93,0x26,0x36,0x3f,0xf7,0xcc,0x34,0xa5,0xe5,0xf1,0x71,0xd8,0x31,0x15,
+		0x04,0xc7,0x23,0xc3,0x18,0x96,0x05,0x9a,0x07,0x12,0x80,0xe2,0xeb,0x27,0xb2,0x75,
+		0x09,0x83,0x2c,0x1a,0x1b,0x6e,0x5a,0xa0,0x52,0x3b,0xd6,0xb3,0x29,0xe3,0x2f,0x84,
+		0x53,0xd1,0x00,0xed,0x20,0xfc,0xb1,0x5b,0x6a,0xcb,0xbe,0x39,0x4a,0x4c,0x58,0xcf,
+		0xd0,0xef,0xaa,0xfb,0x43,0x4d,0x33,0x85,0x45,0xf9,0x02,0x7f,0x50,0x3c,0x9f,0xa8,
+		0x51,0xa3,0x40,0x8f,0x92,0x9d,0x38,0xf5,0xbc,0xb6,0xda,0x21,0x10,0xff,0xf3,0xd2,
+		0xcd,0x0c,0x13,0xec,0x5f,0x97,0x44,0x17,0xc4,0xa7,0x7e,0x3d,0x64,0x5d,0x19,0x73,
+		0x60,0x81,0x4f,0xdc,0x22,0x2a,0x90,0x88,0x46,0xee,0xb8,0x14,0xde,0x5e,0x0b,0xdb,
+		0xe0,0x32,0x3a,0x0a,0x49,0x06,0x24,0x5c,0xc2,0xd3,0xac,0x62,0x91,0x95,0xe4,0x79,
+		0xe7,0xc8,0x37,0x6d,0x8d,0xd5,0x4e,0xa9,0x6c,0x56,0xf4,0xea,0x65,0x7a,0xae,0x08,
+		0xba,0x78,0x25,0x2e,0x1c,0xa6,0xb4,0xc6,0xe8,0xdd,0x74,0x1f,0x4b,0xbd,0x8b,0x8a,
+		0x70,0x3e,0xb5,0x66,0x48,0x03,0xf6,0x0e,0x61,0x35,0x57,0xb9,0x86,0xc1,0x1d,0x9e,
+		0xe1,0xf8,0x98,0x11,0x69,0xd9,0x8e,0x94,0x9b,0x1e,0x87,0xe9,0xce,0x55,0x28,0xdf,
+		0x8c,0xa1,0x89,0x0d,0xbf,0xe6,0x42,0x68,0x41,0x99,0x2d,0x0f,0xb0,0x54,0xbb,0x16
+	];
+}

leenkx/Sources/leenkx/network/torrent/Base58.hx

@@ -0,0 +1,119 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+class Base58 {
+
+	static var ALPHABET:String = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
+	static var ALPHABET_MAP:Map<Int, Int> = {
+		var m = new Map<Int, Int>();
+		for (i in 0...ALPHABET.length) {
+			m.set(ALPHABET.charCodeAt(i), i);
+		}
+		m;
+	};
+
+	public static function encode(bytes:Bytes):String {
+		if (bytes.length == 0) return "";
+
+		var zeros = 0;
+		while (zeros < bytes.length && bytes.get(zeros) == 0) zeros++;
+
+		var size = Math.ceil(bytes.length * 138 / 100 + 1);
+		var b58 = [for (i in 0...size) 0];
+
+		for (i in zeros...bytes.length) {
+			var carry = bytes.get(i);
+			for (j in 0...size) {
+				var idx = size - 1 - j;
+				carry += b58[idx] << 8;
+				b58[idx] = carry % 58;
+				carry = Std.int(carry / 58);
+			}
+		}
+
+		var leadingZeros = 0;
+		for (i in 0...size) {
+			if (b58[i] != 0) break;
+			leadingZeros++;
+		}
+
+		var sb = new StringBuf();
+		for (i in 0...zeros) sb.addChar(ALPHABET.charCodeAt(0));
+		for (i in leadingZeros...size) {
+			sb.addChar(ALPHABET.charCodeAt(b58[i]));
+		}
+		return sb.toString();
+	}
+
+	public static function decode(str:String):Bytes {
+		if (str.length == 0) return Bytes.alloc(0);
+
+		var zeros = 0;
+		while (zeros < str.length && str.charCodeAt(zeros) == ALPHABET.charCodeAt(0)) zeros++;
+
+		var size = Math.ceil(str.length * 733 / 1000 + 1);
+		var bytes = [for (i in 0...size) 0];
+
+		for (i in zeros...str.length) {
+			var ch = str.charCodeAt(i);
+			if (!ALPHABET_MAP.exists(ch)) {
+				throw "Base58: invalid character " + str.charAt(i);
+			}
+			var carry = ALPHABET_MAP.get(ch);
+			for (j in 0...size) {
+				var idx = size - 1 - j;
+				carry += bytes[idx] * 58;
+				bytes[idx] = carry & 0xff;
+				carry = carry >> 8;
+			}
+		}
+
+		var leadingZeros = 0;
+		for (i in 0...size) {
+			if (bytes[i] != 0) break;
+			leadingZeros++;
+		}
+
+		var result = Bytes.alloc(zeros + size - leadingZeros);
+		for (i in 0...zeros) result.set(i, 0);
+		for (i in 0...(size - leadingZeros)) {
+			result.set(zeros + i, bytes[leadingZeros + i]);
+		}
+		return result;
+	}
+}
+
+class Base58Check {
+
+	static var CHECKSUM_LEN = 4;
+
+	public static function encode(bytes:Bytes):String {
+		var hash = sha256sha256(bytes);
+		var payload = Bytes.alloc(bytes.length + CHECKSUM_LEN);
+		payload.blit(0, bytes, 0, bytes.length);
+		payload.blit(bytes.length, hash, 0, CHECKSUM_LEN);
+		return Base58.encode(payload);
+	}
+
+	public static function decode(str:String):Bytes {
+		var payload = Base58.decode(str);
+		if (payload.length < CHECKSUM_LEN) {
+			throw "Base58Check: too short";
+		}
+		var data = payload.sub(0, payload.length - CHECKSUM_LEN);
+		var checksum = payload.sub(payload.length - CHECKSUM_LEN, CHECKSUM_LEN);
+		var hash = sha256sha256(data);
+		for (i in 0...CHECKSUM_LEN) {
+			if (hash.get(i) != checksum.get(i)) {
+				throw "Base58Check: checksum mismatch";
+			}
+		}
+		return data;
+	}
+
+	static function sha256sha256(bytes:Bytes):Bytes {
+		var h1 = haxe.crypto.Sha256.make(bytes);
+		return haxe.crypto.Sha256.make(h1);
+	}
+}

leenkx/Sources/leenkx/network/torrent/Bencode.hx

@@ -0,0 +1,182 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+class RawDict {
+	public var pairs:Array<{key:Bytes, val:Dynamic}> = [];
+	public function new() {}
+}
+
+class Bencode {
+
+	public static function encode(value:Dynamic):Bytes {
+		var out = new haxe.io.BytesOutput();
+		encodeValue(out, value);
+		return out.getBytes();
+	}
+
+	public static function encodeToString(value:Dynamic):String {
+		return encode(value).toString();
+	}
+
+	static function encodeValue(out:haxe.io.BytesOutput, value:Dynamic):Void {
+		if (Std.isOfType(value, Bool)) {
+			encodeInt(out, value ? 1 : 0);
+		} else if (Std.isOfType(value, Int) || Std.isOfType(value, Float)) {
+			encodeInt(out, value);
+		} else if (Std.isOfType(value, String)) {
+			encodeString(out, value);
+		} else if (Std.isOfType(value, Bytes)) {
+			encodeBytes(out, value);
+		} else if (Std.isOfType(value, RawDict)) {
+			encodeRawDict(out, value);
+		} else if (Std.isOfType(value, Array)) {
+			encodeList(out, value);
+		} else if (value != null && Reflect.isObject(value)) {
+			encodeDict(out, value);
+		} else {
+			throw "Bencode: cannot encode " + Type.typeof(value);
+		}
+	}
+
+	static function encodeInt(out:haxe.io.BytesOutput, value:Float):Void {
+		out.writeString("i");
+		var s = Std.string(value);
+		var dot = s.indexOf(".");
+		if (dot != -1) s = s.substring(0, dot);
+		if (s.indexOf("e") != -1 || s.indexOf("E") != -1) {
+			s = Std.string(Math.floor(value));
+			dot = s.indexOf(".");
+			if (dot != -1) s = s.substring(0, dot);
+		}
+		out.writeString(s);
+		out.writeString("e");
+	}
+
+	static function encodeString(out:haxe.io.BytesOutput, value:String):Void {
+		var bytes = Bytes.ofString(value);
+		encodeBytes(out, bytes);
+	}
+
+	static function encodeBytes(out:haxe.io.BytesOutput, bytes:Bytes):Void {
+		out.writeString(Std.string(bytes.length));
+		out.writeString(":");
+		out.writeBytes(bytes, 0, bytes.length);
+	}
+
+	static function encodeRawDict(out:haxe.io.BytesOutput, dict:RawDict):Void {
+		out.writeString("d");
+		for (p in dict.pairs) {
+			encodeBytes(out, p.key);
+			encodeValue(out, p.val);
+		}
+		out.writeString("e");
+	}
+
+	static function encodeList(out:haxe.io.BytesOutput, arr:Array<Dynamic>):Void {
+		out.writeString("l");
+		for (item in arr) {
+			encodeValue(out, item);
+		}
+		out.writeString("e");
+	}
+
+	static function encodeDict(out:haxe.io.BytesOutput, obj:Dynamic):Void {
+		out.writeString("d");
+		var keys = Reflect.fields(obj);
+		keys.sort(Reflect.compare);
+		for (key in keys) {
+			if (Reflect.field(obj, key) == null) continue;
+			encodeString(out, key);
+			encodeValue(out, Reflect.field(obj, key));
+		}
+		out.writeString("e");
+	}
+
+	public static function decode(bytes:Bytes):Dynamic {
+		return new Decoder(bytes).value();
+	}
+
+	public static function decodeString(str:String):Dynamic {
+		return decode(Bytes.ofString(str));
+	}
+}
+
+private class Decoder {
+	static inline var MAX_DECODE_LEN = 10 * 1024 * 1024; // 10 MB
+
+	var data:Bytes;
+	var pos:Int = 0;
+
+	public function new(data:Bytes) {
+		this.data = data;
+	}
+
+	public function value():Dynamic {
+		if (pos >= data.length) throw "Bencode: truncated input";
+		var b = data.get(pos++);
+		switch (b) {
+			case 'i'.code:
+				return decodeInt();
+			case 'l'.code:
+				return decodeList();
+			case 'd'.code:
+				return decodeDict();
+			default:
+				return decodeBytes();
+		}
+	}
+
+	function decodeInt():Float {
+		var start = pos;
+		while (pos < data.length && data.get(pos) != 'e'.code) pos++;
+		if (pos >= data.length) throw "Bencode: unterminated int";
+		var s = data.getString(start, pos - start);
+		pos++;
+		var v = Std.parseFloat(s);
+		if (Math.isNaN(v)) throw "Bencode: bad int " + s;
+		return v;
+	}
+
+	function decodeBytes():Bytes {
+		var start = pos - 1;
+		if (data.get(start) < '0'.code || data.get(start) > '9'.code) {
+			throw "Bencode: bad byte length";
+		}
+		while (pos < data.length && data.get(pos) != ':'.code) pos++;
+		if (pos >= data.length) throw "Bencode: unterminated length";
+		var len = Std.parseInt(data.getString(start, pos - start));
+		pos++;
+		if (len == null || len < 0 || len > MAX_DECODE_LEN
+				|| pos + len > data.length) {
+			throw "Bencode: invalid byte length " + len;
+		}
+		var bytes = Bytes.alloc(len);
+		bytes.blit(0, data, pos, len);
+		pos += len;
+		return bytes;
+	}
+
+	function decodeList():Array<Dynamic> {
+		var arr:Array<Dynamic> = [];
+		while (true) {
+			if (pos >= data.length) throw "Bencode: unterminated list";
+			if (data.get(pos) == 'e'.code) break;
+			arr.push(value());
+		}
+		pos++;
+		return arr;
+	}
+
+	function decodeDict():Dynamic {
+		var obj:Dynamic = {};
+		while (true) {
+			if (pos >= data.length) throw "Bencode: unterminated dict";
+			if (data.get(pos) == 'e'.code) break;
+			var key:Bytes = value();
+			Reflect.setField(obj, key.toString(), value());
+		}
+		pos++;
+		return obj;
+	}
+}

leenkx/Sources/leenkx/network/torrent/Crypto.hx

@@ -0,0 +1,152 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.Base58.Base58Check;
+
+class Crypto {
+
+	public static var SEEDPREFIX(default, null) = "490a";
+	public static var ADDRESSPREFIX(default, null) = "55";
+
+	static var drbg:Aegis128x4 = null;
+	static var drbgBuf:Bytes = null;
+	static var drbgPos:Int = 0;
+	static var drbgNative:Int = -1;
+
+	public static function randomBytes(length:Int):Bytes {
+		var bytes = Bytes.alloc(length);
+		#if (js && !kha_krom)
+		var webCrypto:Dynamic = js.Syntax.code("(typeof globalThis !== 'undefined' ? globalThis.crypto : null)");
+		if (webCrypto != null && webCrypto.getRandomValues != null) {
+			var view = new js.lib.Uint8Array(length);
+			webCrypto.getRandomValues(view);
+			for (i in 0...length) bytes.set(i, view[i]);
+			return bytes;
+		}
+		#end
+		#if lnx_datachannel
+		if (drbgNative == -1) {
+			var seed = osEntropy(32);
+			try {
+				drbgNative = datachannel.RTC.aegisAvailable()
+					&& datachannel.RTC.aegisInit(seed.sub(0, 16), seed.sub(16, 16)) ? 1 : 0;
+			} catch (e:Dynamic) {
+				drbgNative = 0;
+			}
+		}
+		if (drbgNative == 1) {
+			return datachannel.RTC.aegisRandom(length);
+		}
+		#end
+		if (drbg == null) {
+			var seed = osEntropy(32);
+			drbg = new Aegis128x4(seed.sub(0, 16), seed.sub(16, 16));
+			drbgBuf = Bytes.alloc(0);
+			drbgPos = 0;
+		}
+		var off = 0;
+		while (off < length) {
+			if (drbgPos >= drbgBuf.length) {
+				drbgBuf = drbg.nextBlock();
+				drbgPos = 0;
+			}
+			var n = Std.int(Math.min(drbgBuf.length - drbgPos, length - off));
+			bytes.blit(off, drbgBuf, drbgPos, n);
+			drbgPos += n;
+			off += n;
+		}
+		return bytes;
+	}
+
+	static function osEntropy(length:Int):Bytes {
+		var bytes = Bytes.alloc(length);
+		#if kha_krom
+		var kromBytes = leenkx.network.torrent.transport.RtcNative.randomBytes(length);
+		if (kromBytes != null) return kromBytes;
+		#end
+		#if sys
+		if (Sys.systemName() != "Windows") {
+			try {
+				var f = sys.io.File.read("/dev/urandom", true);
+				f.readBytes(bytes, 0, length);
+				f.close();
+				return bytes;
+			} catch(e:Dynamic) {}
+		} else {
+			try {
+				var p = new sys.io.Process("powershell", [
+					"-NoProfile", "-Command",
+					"$r = New-Object 'byte[]' " + length + "; [Security.Cryptography.RandomNumberGenerator]::Create().GetBytes($r); -join ($r | ForEach-Object { $_.ToString('x2') })"
+				]);
+				var hex = StringTools.trim(p.stdout.readAll().toString());
+				p.close();
+				if (hex.length == length * 2) {
+					return Bytes.ofHex(hex);
+				}
+			} catch(e:Dynamic) {
+				trace("Windows RNG via PowerShell failed: " + e);
+			}
+		}
+		#end
+		throw "Crypto: OS entropy unavailable. Refusing to generate predictable keys.";
+	}
+
+	public static function hash(data:Bytes):Bytes {
+		return TweetNaCl.hash(data);
+	}
+
+	public static function signDetached(message:Bytes, secretKey:Bytes):Bytes {
+		return TweetNaCl.signDetached(message, secretKey);
+	}
+
+	public static function signDetachedVerify(message:Bytes, signature:Bytes, publicKey:Bytes):Bool {
+		return TweetNaCl.signDetachedVerify(message, signature, publicKey);
+	}
+
+	public static function box(message:Bytes, nonce:Bytes, theirPublicKey:Bytes, mySecretKey:Bytes):Bytes {
+		return TweetNaCl.box(message, nonce, theirPublicKey, mySecretKey);
+	}
+
+	public static function boxOpen(message:Bytes, nonce:Bytes, theirPublicKey:Bytes, mySecretKey:Bytes):Bytes {
+		return TweetNaCl.boxOpen(message, nonce, theirPublicKey, mySecretKey);
+	}
+
+	public static function boxKeyPair():{publicKey:Bytes, secretKey:Bytes} {
+		return TweetNaCl.boxKeyPair();
+	}
+
+	public static function signKeyPairFromSeed(seed:Bytes):{publicKey:Bytes, secretKey:Bytes} {
+		return TweetNaCl.signKeyPairFromSeed(seed);
+	}
+
+	public static var boxNonceLength(get, null):Int;
+	static function get_boxNonceLength():Int {
+		return TweetNaCl.crypto_box_NONCEBYTES;
+	}
+
+	public static function ripemd160(data:Bytes):Bytes {
+		return Ripemd160.make(data);
+	}
+
+	public static function encodeSeed(material:Bytes):String {
+		var prefix = Bytes.ofHex(SEEDPREFIX);
+		var payload = Bytes.alloc(prefix.length + material.length);
+		payload.blit(0, prefix, 0, prefix.length);
+		payload.blit(prefix.length, material, 0, material.length);
+		return Base58Check.encode(payload);
+	}
+
+	public static function encodeAddress(publicKey:Bytes):String {
+		var prefix = Bytes.ofHex(ADDRESSPREFIX);
+		var hash = hash(publicKey);
+		var ripemd = ripemd160(hash);
+		var payload = Bytes.alloc(prefix.length + ripemd.length);
+		payload.blit(0, prefix, 0, prefix.length);
+		payload.blit(prefix.length, ripemd, 0, ripemd.length);
+		return Base58Check.encode(payload);
+	}
+
+	public static function toHex(bytes:Bytes):String {
+		return bytes.toHex();
+	}
+}

leenkx/Sources/leenkx/network/torrent/LICENSE.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Riccardo Mazzucco - All Rights reserved
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

leenkx/Sources/leenkx/network/torrent/LeenkxClient.hx

@@ -0,0 +1,576 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.Types;
+import leenkx.network.torrent.Base58.Base58Check;
+import leenkx.network.torrent.transport.ITransport;
+import leenkx.network.torrent.transport.ITransport.TransportOpts;
+import leenkx.network.torrent.TorrentInfo;
+
+class LeenkxClient {
+
+	public static var PEERTIMEOUT:Float = 5 * 60 * 1000;
+	public static var defaultHeartbeat:Int = 30000;
+
+	public var identifier:String;
+	public var seed:String;
+	public var pk:String;
+	public var ek:String;
+	public var timeout:Float;
+	public var announce:Array<String>;
+	public var infoHashBinary:String;
+	public var peerIdBinary:String;
+
+	public var keyPair:{publicKey:Bytes, secretKey:Bytes};
+	public var keyPairEncrypt:{publicKey:Bytes, secretKey:Bytes};
+
+	public var peers:Map<String, PeerInfo> = [];
+	public var seen:Map<String, Float> = [];
+	public var seenFired:Map<String, Bool> = [];
+	public var pkToAddress:Map<String, String> = [];
+	public var isRelay:Bool = false;
+	public var lastPeerCount:Null<Int> = null;
+	public var lastPeerId:String = null;
+
+	public var serverAddress:String = null;
+	public var heartbeatTimer:Null<haxe.Timer> = null;
+
+	public var onOpen:Void -> Void;
+	public var onTorrent:String -> Dynamic -> Void;
+	public var onMessage:String -> Dynamic -> Dynamic -> Void;
+	public var onSeen:String -> Void;
+	public var onLeft:String -> Void;
+	public var onServer:String -> Void;
+	public var onPing:String -> Void;
+	public var onTimeout:String -> Void;
+	public var onConnections:Int -> Void;
+	public var onWireSeen:Int -> Dynamic -> Void;
+	public var onWireLeft:Int -> Dynamic -> Void;
+	public var onTracker:String -> Dynamic -> Void;
+	public var onAnnounce:String -> Void;
+	public var onError:String -> Void;
+
+	public var transport:ITransport;
+	private var deferredOpts:TransportOpts = null;
+	private var heartbeatInterval:Int = 30000;
+
+	public var torrents(get, never):Map<String, Torrent>;
+	public var onTorrentAdded:Torrent -> Void;
+	public var onTorrentDone:Torrent -> Void;
+	var swarm:TorrentClient = null;
+
+	function get_torrents():Map<String, Torrent> {
+		return swarm != null ? swarm.torrents : [];
+	}
+
+	function getSwarm():TorrentClient {
+		if (swarm == null) {
+			swarm = new TorrentClient();
+			swarm.onError = function(e) {
+				if (onError != null) onError(e);
+			};
+			swarm.onTorrentAdded = function(t) {
+				if (onTorrentAdded != null) onTorrentAdded(t);
+			};
+			swarm.onTorrentDone = function(t) {
+				if (onTorrentDone != null) onTorrentDone(t);
+			};
+		}
+		return swarm;
+	}
+
+	public function add(torrentId:Dynamic, ?opts:Dynamic, ?cb:Torrent -> Void):Torrent {
+		return getSwarm().add(torrentId, opts, cb);
+	}
+
+	public function seedMeta(meta:MetaInfo,
+			files:Array<{path:String, data:Bytes}>,
+			?opts:Dynamic, ?cb:Torrent -> Void):Torrent {
+		return getSwarm().seedMeta(meta, files, opts, cb);
+	}
+
+	public function get(id:Dynamic):Torrent {
+		if (Std.isOfType(id, Torrent)) return id;
+		return swarm != null ? swarm.get(id) : null;
+	}
+
+	public function remove(infoHashHex:String, ?deleteData:Bool):Void {
+		if (swarm != null) swarm.remove(infoHashHex, deleteData);
+	}
+
+	public function listen(port:Int):Void {
+		getSwarm().listen(port);
+	}
+
+	public function new(?identifier:String, ?opts:LeenkxOptions) {
+			if (identifier != null && !Std.isOfType(identifier, String)) {
+			opts = cast identifier;
+			identifier = null;
+		}
+		opts = opts != null ? opts : {};
+
+		this.announce = opts.announce != null ? opts.announce : TorrentClient.defaultTrackers;
+			this.timeout = opts.timeout != null ? opts.timeout : PEERTIMEOUT;
+
+		if (opts.seed != null) {
+			this.seed = opts.seed;
+		} else {
+			this.seed = Crypto.encodeSeed(Crypto.randomBytes(32));
+		}
+
+		if (opts.keyPair != null) {
+			this.keyPair = opts.keyPair;
+		} else {
+			var seedBytes = Base58Check.decode(this.seed);
+			var material = seedBytes.sub(2, seedBytes.length - 2);
+			this.keyPair = Crypto.signKeyPairFromSeed(material);
+		}
+
+		this.keyPairEncrypt = Crypto.boxKeyPair();
+
+		this.pk = Base58.encode(this.keyPair.publicKey);
+		this.ek = Base58.encode(this.keyPairEncrypt.publicKey);
+
+		this.identifier = identifier != null ? identifier : this.address();
+	
+		var infoHash = TorrentInfo.identifierHash(this.identifier);
+		this.infoHashBinary = TorrentInfo.toBinaryString(infoHash);
+		this.peerIdBinary = TorrentInfo.toBinaryString(TorrentInfo.peerId());
+	
+		createTransport(opts, opts.deferJoin == true);
+
+		this.heartbeatInterval = opts.heartbeat != null ? opts.heartbeat : defaultHeartbeat;
+	}
+
+	function createTransport(opts:LeenkxOptions, defer:Bool):Void {
+			var transportOpts:TransportOpts = {
+			announce: this.announce,
+			iceServers: opts.iceServers,
+			tracker: opts.tracker,
+			wtOpts: opts.wtOpts,
+			torrentOpts: opts.torrentOpts, torrent: opts.torrent,
+			pk: this.pk,
+			ek: this.ek,
+			infoHashBinary: this.infoHashBinary,
+			peerIdBinary: this.peerIdBinary
+		};
+
+		var announceUrl = this.announce[0];
+		if (opts.transport == "datachannel") {
+			transport = new leenkx.network.torrent.transport.DatachannelTransport(announceUrl, opts.iceServers);
+		} else {
+			transport = new leenkx.network.torrent.transport.WireTransport(announceUrl, opts.iceServers);
+		}
+
+		transport.onReady = onTransportReady;
+		transport.onPeerConnected = onTransportPeerConnected;
+		transport.onPeerDisconnected = onTransportPeerDisconnected;
+		transport.onPeerData = onTransportPeerData;
+		transport.onPeerHandshake = onTransportPeerHandshake;
+		transport.onTrackerUpdate = onTransportTrackerUpdate;
+		transport.onTrackerAnnounce = onTransportTrackerAnnounce;
+		transport.onError = onTransportError;
+
+		if (defer) {
+			deferredOpts = transportOpts;
+		} else {
+			transport.join(this.identifier, transportOpts);
+		}
+		}
+
+	public function connect():Void {
+			if (deferredOpts != null) {
+			var opts = deferredOpts;
+			deferredOpts = null;
+			transport.join(this.identifier, opts);
+		}
+		this.heartbeat(this.heartbeatInterval);
+	}
+
+	function onTransportReady():Void {
+			if (onTorrent != null) onTorrent(identifier, null);
+	}
+
+	function onTransportPeerConnected(peerId:String, count:Int):Void {
+			lastPeerId = peerId;
+		var prevCount = lastPeerCount;
+		lastPeerCount = count;
+		if (onWireSeen != null) onWireSeen(count, {peerId: peerId});
+		if (count != prevCount) {
+			if (onConnections != null) onConnections(count);
+		}
+	}
+
+	function onTransportPeerDisconnected(count:Int):Void {
+		if (onWireLeft != null) onWireLeft(count, {peerId: lastPeerId});
+		if (count != lastPeerCount) {
+			lastPeerCount = count;
+			if (onConnections != null) onConnections(count);
+		}
+	}
+
+	function onTransportPeerData(senderPk:String, data:Bytes):Void {
+			onMessageData(identifier, data, senderPk);
+	}
+
+	function onTransportPeerHandshake(peerPk:String, peerEk:String):Void {
+		if (peerPk != null && peerPk != "") {
+			sawPeer(peerPk, peerEk, identifier);
+		}
+	}
+
+	function onTransportTrackerUpdate(update:Dynamic):Void {
+		if (onTracker != null) onTracker(identifier, update);
+	}
+
+	function onTransportTrackerAnnounce():Void {
+		if (onAnnounce != null) onAnnounce(identifier);
+	}
+
+	function onTransportError(msg:String):Void {
+		trace("onTransportError: " + msg);
+		if (onError != null) onError(msg);
+	}
+
+	public function address(?pk:Dynamic):String {
+		var pkBytes:Bytes = null;
+		if (pk != null && Std.isOfType(pk, String)) {
+			pkBytes = Base58.decode(pk);
+		} else if (pk != null) {
+			pkBytes = pk;
+		} else {
+			pkBytes = this.keyPair.publicKey;
+		}
+		return Crypto.encodeAddress(pkBytes);
+	}
+
+	function addressFromPk(pkStr:String):String {
+		var cached = pkToAddress.get(pkStr);
+		if (cached != null) return cached;
+		var addr = address(Base58.decode(pkStr));
+		pkToAddress.set(pkStr, addr);
+		return addr;
+	}
+
+	public function encodeSeed(material:Bytes):String {
+		return Crypto.encodeSeed(material);
+	}
+
+	public function ping():Void {
+		var packet = makePacket({y: PacketType.Ping});
+		sendRaw(packet);
+	}
+
+	public function send(?address:String, message:Dynamic):Void {
+		if (message == null) {
+			message = address;
+			address = null;
+		}
+			var packet = makePacket({
+			y: PacketType.Message,
+			v: haxe.Json.stringify(message)
+		});
+		var peerPk:String = null;
+		if (address != null) {
+			if (peers.exists(address)) {
+				peerPk = peers[address].pk;
+				packet = encryptPacket(peerPk, packet);
+			} else {
+				throw address + " not seen - no public key.";
+			}
+		}
+		sendRaw(packet, peerPk);
+	}
+
+	public function sendRawMessage(data:Bytes, ?address:String):Void {
+		var marked = Bytes.alloc(data.length + 1);
+		marked.set(0, 0x00);
+		marked.blit(1, data, 0, data.length);
+		if (transport != null) {
+			if (address != null) {
+				if (!peers.exists(address)) {
+					throw address + " not seen - no public key.";
+				}
+				if (!transport.sendTo(peers[address].pk, marked)) {
+					trace("sendRawMessage: no open channel to " + address);
+				}
+			} else {
+				transport.broadcast(marked);
+			}
+		}
+	}
+
+	public function heartbeat(?interval:Int):Void {
+		interval = interval != null ? interval : 30000;
+		if (heartbeatTimer != null) heartbeatTimer.stop();
+		heartbeatTimer = new haxe.Timer(interval);
+		heartbeatTimer.run = () -> {
+			ping();
+			var t = now();
+			for (p in [for (k in peers.keys()) k]) {
+				var peerInfo = peers[p];
+				if (peerInfo.last + interval < t) {
+					peers.remove(p);
+					if (onTimeout != null) onTimeout(p);
+					if (onLeft != null) onLeft(p);
+				}
+			}
+			for (h in [for (k in seen.keys()) k]) {
+				if (seen.get(h) + interval < t) {
+					seen.remove(h);
+				}
+			}
+		};
+	}
+
+	public function destroy(?cb:Void -> Void):Void {
+		if (heartbeatTimer != null) {
+			heartbeatTimer.stop();
+			heartbeatTimer = null;
+		}
+		var packet = makePacket({y: PacketType.Leave});
+		sendRaw(packet);
+		if (swarm != null) {
+			swarm.destroy();
+			swarm = null;
+		}
+		if (transport != null) {
+			transport.destroy(cb);
+		} else if (cb != null) {
+			cb();
+		}
+	}
+
+	public function close(?cb:Void -> Void):Void {
+		destroy(cb);
+	}
+
+	public function connections():Int {
+		if (transport != null) {
+			var count = transport.getPeerCount();
+			if (count != lastPeerCount) {
+				lastPeerCount = count;
+				if (onConnections != null) onConnections(count);
+			}
+			return count;
+		}
+		return 0;
+	}
+
+	function makePacket(params:Dynamic):Bytes {
+		var p:Dynamic = {
+			t: now(),
+			i: identifier,
+			pk: pk,
+			ek: ek,
+			n: Crypto.randomBytes(8)
+		};
+		for (k in Reflect.fields(params)) {
+			Reflect.setField(p, k, Reflect.field(params, k));
+		}
+		var pe = Bencode.encode(p);
+		var sig = Crypto.signDetached(pe, keyPair.secretKey);
+		return Bencode.encode({s: sig, p: pe});
+	}
+
+	function encryptPacket(peerPk:String, packet:Bytes):Bytes {
+			var addr = addressFromPk(peerPk);
+		if (peers.exists(addr)) {
+			var nonce = Crypto.randomBytes(Crypto.boxNonceLength);
+			var encrypted = Crypto.box(
+				packet,
+				nonce,
+				Base58.decode(peers[addr].ek),
+				keyPairEncrypt.secretKey
+			);
+			return Bencode.encode({
+				n: nonce,
+				ek: Base58.encode(keyPairEncrypt.publicKey),
+				e: encrypted
+			});
+			} else {
+				throw addressFromPk(peerPk) + " not seen - no encryption key.";
+			}
+	}
+
+	function sendRaw(message:Bytes, ?peerPk:String):Void {
+		var hash = Crypto.hash(message).sub(0, 16).toHex();
+		seen.set(hash, now());
+		if (transport != null) {
+			if (peerPk != null) {
+				if (!transport.sendTo(peerPk, message)) {
+					transport.broadcast(message);
+				}
+			} else {
+				transport.broadcast(message);
+			}
+		}
+	}
+
+	function onMessageData(identifier:String, message:Bytes, ?senderPk:String):Void {
+		var hash = Crypto.hash(message).sub(0, 16).toHex();
+		var t = now();
+		if (!seen.exists(hash)) {
+			if (message.length > 0 && (message.get(0) == 0x00 || message.get(0) == 0x01)) {
+				var isRelayed = message.get(0) == 0x01;
+				var offset = 1;
+				var msgSenderPk:String = senderPk;
+				if (isRelayed) {
+					if (message.length < 2) {
+						seen.set(hash, t);
+						return;
+					}
+					var pkLen = message.get(1);
+					if (2 + pkLen > message.length) {
+						seen.set(hash, t);
+						return;
+					}
+					var claimedPk = message.sub(2, pkLen).toString();
+					if (pkToAddress.exists(claimedPk)) {
+						msgSenderPk = claimedPk;
+					}
+					offset = 2 + pkLen;
+				}
+				var rawPayload = message.sub(offset, message.length - offset);
+				var payload = new leenkx.network.Buffer();
+				payload.writeBytes(rawPayload);
+				seen.set(hash, t);
+				var senderAddr = msgSenderPk != null ? pkToAddress.get(msgSenderPk) : null;
+				if (senderAddr == null && msgSenderPk != null && msgSenderPk != "") {
+					senderAddr = addressFromPk(msgSenderPk);
+				}
+				if (onMessage != null) {
+					onMessage(senderAddr, payload, null);
+				}
+				if (isRelay && transport != null && transport.getPeerCount() > 1) {
+					if (isRelayed) {
+						sendRaw(message);
+					} else if (msgSenderPk != null && msgSenderPk != "") {
+						var pkBytes = Bytes.ofString(msgSenderPk);
+						var relayed = Bytes.alloc(1 + 1 + pkBytes.length + rawPayload.length);
+						relayed.set(0, 0x01);
+						relayed.set(1, pkBytes.length);
+						relayed.blit(2, pkBytes, 0, pkBytes.length);
+						relayed.blit(2 + pkBytes.length, rawPayload, 0, rawPayload.length);
+						sendRaw(relayed);
+					}
+				}
+				return;
+			}
+
+			var unpacked:Dynamic = null;
+			try {
+				unpacked = Bencode.decode(message);
+			} catch(e:Dynamic) {
+				trace("Bencode decode error: " + e);
+				seen.set(hash, t);
+				return;
+			}
+
+			try {
+				var isEncrypted = Reflect.field(unpacked, "e") != null
+					&& Reflect.field(unpacked, "n") != null
+					&& Reflect.field(unpacked, "ek") != null;
+
+				if (isEncrypted) {
+					var ekStr:String = unpacked.ek.toString();
+					var decrypted = Crypto.boxOpen(
+						unpacked.e,
+						unpacked.n,
+						Base58.decode(ekStr),
+						keyPairEncrypt.secretKey
+					);
+					if (decrypted != null) {
+						unpacked = Bencode.decode(decrypted);
+					} else {
+							unpacked = null;
+					}
+				}
+
+				if (unpacked != null && unpacked.p != null) {
+					var packet:Dynamic = Bencode.decode(unpacked.p);
+					var pkStr:String = packet.pk.toString();
+					var idStr:String = packet.i.toString();
+					var checkSig = Crypto.signDetachedVerify(unpacked.p, unpacked.s, Base58.decode(pkStr));
+					var checkId = idStr == identifier;
+					var checkTime = packet.t + timeout > t;
+
+					if (checkSig && checkId && checkTime) {
+						var ekStr:String = packet.ek.toString();
+						sawPeer(pkStr, ekStr, identifier);
+
+						var yStr:String = packet.y != null ? packet.y.toString() : null;
+						if (yStr == PacketType.Message) {
+							var msgStr:String = packet.v.toString();
+									var msgJson:Dynamic = null;
+							try {
+								msgJson = haxe.Json.parse(msgStr);
+							} catch(e) {
+										}
+							if (msgJson != null) {
+								if (onMessage != null) {
+								onMessage(addressFromPk(pkStr), msgJson, packet);
+								}
+							} else {
+								try {
+									var payload = new leenkx.network.Buffer();
+									payload.writeBytes(
+										haxe.crypto.Base64.decode(msgStr));
+									if (onMessage != null) {
+									onMessage(addressFromPk(pkStr), payload, packet);
+									}
+								} catch(e:Dynamic) {}
+							}
+						} else if (yStr == PacketType.Ping) {
+							if (onPing != null) onPing(addressFromPk(pkStr));
+						} else if (yStr == PacketType.Leave) {
+							var addr = addressFromPk(pkStr);
+					peers.remove(addr);
+							if (onLeft != null) onLeft(addr);
+						}
+					}
+				}
+
+				if (transport != null && transport.getPeerCount() > 1) {
+					sendRaw(message);
+				}
+			} catch(e:Dynamic) {
+				trace("onMessageData error processing packet: " + e);
+			}
+		}
+		seen.set(hash, t);
+	}
+
+	function sawPeer(pk:String, ek:String, identifier:String):Void {
+		var t = now();
+		var addr = addressFromPk(pk);
+		var myAddr = address();
+		var isSelf = (addr == myAddr);
+		var alreadySeen = seenFired.exists(addr);
+		if (!isSelf) {
+			if (!peers.exists(addr) || peers[addr].last + timeout < t) {
+				peers.set(addr, {pk: pk, ek: ek, last: t});
+				var packet = makePacket({y: PacketType.Ping});
+				sendRaw(packet);
+			} else {
+				var p = peers.get(addr);
+				p.ek = ek;
+				p.last = t;
+			}
+			if (!alreadySeen) {
+				seenFired.set(addr, true);
+				lastPeerId = addr;
+				if (onOpen != null) onOpen();
+				if (onSeen != null) onSeen(addr);
+				if (addr == identifier) {
+					serverAddress = addr;
+					if (onServer != null) onServer(addr);
+				}
+			}
+		}
+	}
+
+	static function now():Float {
+		return Date.now().getTime();
+	}
+}

leenkx/Sources/leenkx/network/torrent/Magnet.hx

@@ -0,0 +1,115 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+class Magnet {
+	public var infoHash:Bytes; 
+	public var infoHashHex:String;
+	public var infoHashV2:Bytes;
+	public var infoHashV2Hex:String;
+	public var name:String = null;
+	public var trackers:Array<String> = [];
+	public var webSeeds:Array<String> = [];
+
+	public function new() {}
+
+	public static function parse(uri:String):Magnet {
+		if (uri.indexOf("magnet:?") != 0) return null;
+		var m = new Magnet();
+		var query = uri.substr(8);
+		for (param in query.split("&")) {
+			var eq = param.indexOf("=");
+			if (eq < 0) continue;
+			var key = param.substr(0, eq);
+			var value = StringTools.urlDecode(param.substr(eq + 1));
+			switch (key) {
+				case "xt":
+					if (value.indexOf("urn:btih:") == 0) {
+						var hash = value.substr(9);
+						m.infoHash = decodeBtih(hash);
+						if (m.infoHash != null) {
+							m.infoHashHex = Crypto.toHex(m.infoHash);
+						}
+					} else if (value.indexOf("urn:btmh:") == 0) {
+						var hash = value.substr(9);
+						if (hash.length == 68) hash = hash.substr(4);
+						if (hash.length == 64) {
+							try {
+								m.infoHashV2 = Bytes.ofHex(hash);
+							} catch(e:Dynamic) {}
+							if (m.infoHashV2 != null) {
+								m.infoHashV2Hex =
+									Crypto.toHex(m.infoHashV2);
+							}
+						}
+					}
+				case "dn":
+					m.name = value;
+				case "tr":
+					m.trackers.push(value);
+				case "ws":
+					m.webSeeds.push(value);
+				default:
+			}
+		}
+		if (m.infoHash == null && m.infoHashV2 == null) return null;
+		return m;
+	}
+
+	public static function build(infoHash:Bytes, name:String, trackers:Array<String>, ?webSeeds:Array<String>, ?infoHashV2:Bytes):String {
+		var parts:Array<String> = [];
+		if (infoHash != null) {
+			parts.push("xt=urn:btih:" + Crypto.toHex(infoHash));
+		}
+		if (infoHashV2 != null) {
+			parts.push("xt=urn:btmh:1220"
+				+ Crypto.toHex(infoHashV2));
+		}
+		if (name != null) {
+			parts.push("dn=" + StringTools.urlEncode(name));
+		}
+		if (trackers != null) {
+			for (t in trackers) {
+				parts.push("tr=" + StringTools.urlEncode(t));
+			}
+		}
+		if (webSeeds != null) {
+			for (w in webSeeds) {
+				parts.push("ws=" + StringTools.urlEncode(w));
+			}
+		}
+		return "magnet:?" + parts.join("&");
+	}
+
+	static function decodeBtih(s:String):Bytes {
+		if (s.length == 40) {
+			try {
+				return Bytes.ofHex(s);
+			} catch(e:Dynamic) {
+				return null;
+			}
+		}
+		if (s.length == 32) {
+			return base32Decode(s.toUpperCase());
+		}
+		return null;
+	}
+
+	static function base32Decode(s:String):Bytes {
+		var alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
+		var out = new haxe.io.BytesBuffer();
+		var buffer = 0;
+		var bits = 0;
+		for (i in 0...s.length) {
+			var v = alphabet.indexOf(s.charAt(i));
+			if (v < 0) return null;
+			buffer = (buffer << 5) | v;
+			bits += 5;
+			if (bits >= 8) {
+				bits -= 8;
+				out.addByte((buffer >> bits) & 0xFF);
+			}
+		}
+		return out.getBytes();
+	}
+}

leenkx/Sources/leenkx/network/torrent/MetaInfo.hx

@@ -0,0 +1,711 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+typedef TorrentFileEntry = {
+	var path:String;
+	var length:Int;
+	var offset:Int;
+	@:optional var piecesRoot:Bytes;
+}
+
+class MetaInfo {
+	public var infoHash:Bytes;
+	public var infoHashHex:String;
+	public var infoHashV2:Bytes = null;
+	public var infoHashV2Hex:String = null;
+	public var metaVersion:Int = 1;
+	public var name:String;
+	public var pieceLength:Int;
+	public var pieces:Bytes; 
+	public var files:Array<TorrentFileEntry>;
+	public var totalLength:Int = 0;
+	public var announce:Array<String>;
+	public var rawInfo:Bytes;
+	public var isPrivate:Bool = false;
+	public var comment:String = null;
+	public var createdBy:String = null;
+	public var creationDate:Int = 0;
+	public var urlList:Array<String> = null; 
+	public var source:String = null;
+	public var fileHashes:Array<Array<Bytes>> = null;
+	public var storageLength:Int = 0;
+	public var pieceLayers:Array<{root:Bytes, hashes:Bytes}> = null;
+
+	public var numPieces(get, never):Int;
+	function get_numPieces():Int {
+		if (pieces != null && pieces.length > 0) {
+			return Std.int(pieces.length / TorrentInfo.HASH_LENGTH);
+		}
+		if (pieceLength > 0 && files != null) {
+			var end = 0;
+			for (f in files) {
+				var e = f.offset + f.length;
+				if (e > end) end = e;
+			}
+			return end > 0
+				? Std.int(Math.ceil(end / pieceLength)) : 0;
+		}
+		return 0;
+	}
+
+	public var protocolVersion(get, never):Int;
+	function get_protocolVersion():Int {
+		return metaVersion == 2 ? (pieces != null ? 3 : 2) : 1;
+	}
+
+	public function new() {}
+
+	public static function fromTorrentBytes(data:Bytes):MetaInfo {
+		var dict:Dynamic = Bencode.decode(data);
+		if (dict == null || Reflect.field(dict, "info") == null) {
+			throw "MetaInfo: no info dict";
+		}
+		var m = new MetaInfo();
+		m.rawInfo = extractInfoBytes(data);
+		var info = Reflect.field(dict, "info");
+		m.parseInfo(info);
+		if (m.metaVersion == 2) {
+			m.infoHashV2 = haxe.crypto.Sha256.make(m.rawInfo);
+			m.infoHashV2Hex = Crypto.toHex(m.infoHashV2);
+		}
+		if (m.pieces != null) {
+			m.infoHash = haxe.crypto.Sha1.make(m.rawInfo);
+			m.infoHashHex = Crypto.toHex(m.infoHash);
+		}
+		m.announce = parseAnnounce(dict);
+		m.initFileHashes();
+		m.loadPieceLayers(data);
+		m.comment = bytesToString(Reflect.field(dict, "comment"));
+		m.createdBy = bytesToString(Reflect.field(dict, "created by"));
+		m.creationDate = Std.int(fieldFloat(dict, "creation date"));
+		var ul = Reflect.field(dict, "url-list");
+		if (Std.isOfType(ul, Array)) {
+			m.urlList = [for (u in (ul:Array<Dynamic>))
+				bytesToString(u)];
+		} else if (ul != null) {
+			m.urlList = [bytesToString(ul)];
+		}
+		return m;
+	}
+
+	function parseInfo(info:Dynamic):Void {
+		name = bytesToString(Reflect.field(info, "name"));
+		if (name == null) name = "";
+		pieceLength = Std.int(fieldFloat(info, "piece length"));
+		metaVersion = Std.int(fieldFloat(info, "meta version"));
+		if (metaVersion == 0) metaVersion = 1;
+		var piecesField = Reflect.field(info, "pieces");
+		if (piecesField == null) {
+			pieces = null;
+		} else {
+			pieces = Std.isOfType(piecesField, Bytes) ? piecesField
+				: Bytes.ofString(Std.string(piecesField));
+		}
+		isPrivate = fieldFloat(info, "private") == 1;
+		source = bytesToString(Reflect.field(info, "source"));
+
+		files = [];
+		totalLength = 0;
+		var fileTree = Reflect.field(info, "file tree");
+		if (fileTree != null) {
+			walkFileTree(fileTree, [name]);
+			if (pieces != null) {
+				applyV1Layout(Reflect.field(info, "files"));
+			}
+			storageLength = pieces == null
+				? treeCursor * pieceLength : totalLength;
+			return;
+		}
+		storageLength = 0;
+		var filesList:Array<Dynamic> = Reflect.field(info, "files");
+		if (filesList != null) {
+			for (f in filesList) {
+				var len = Std.int(fieldFloat(f, "length"));
+				var pathList:Array<Dynamic> = Reflect.field(f, "path");
+				var path = name;
+				if (pathList != null) {
+					var parts = [for (p in pathList) bytesToString(p)];
+					path = name + "/" + parts.join("/");
+				}
+				files.push({path: sanitizePath(path), length: len,
+					offset: totalLength});
+				totalLength += len;
+			}
+		} else {
+			var len = Std.int(fieldFloat(info, "length"));
+			files.push({path: sanitizePath(name), length: len,
+				offset: 0});
+			totalLength = len;
+		}
+		storageLength = totalLength;
+	}
+
+	public static function sanitizeComponent(c:String):String {
+		if (c == null || c == "" || c == "." || c == ".."
+				|| c.indexOf("/") >= 0 || c.indexOf("\\") >= 0
+				|| c.indexOf(":") >= 0
+				|| c.indexOf(String.fromCharCode(0)) >= 0) {
+			return "_";
+		}
+		return c;
+	}
+
+	public static function sanitizePath(p:String):String {
+		if (p == null) return "_";
+		var parts = p.split("/");
+		return [for (c in parts) sanitizeComponent(c)].join("/");
+	}
+
+	public function fileForPiece(index:Int):Int {
+		for (i in 0...files.length) {
+			var f = files[i];
+			var start = Std.int(f.offset / pieceLength);
+			var np = Std.int(Math.ceil(f.length / pieceLength));
+			if (index >= start && index < start + np) return i;
+		}
+		return -1;
+	}
+
+	public function pieceSizeV2(index:Int):Int {
+		var fi = fileForPiece(index);
+		if (fi < 0) return 0;
+		var f = files[fi];
+		var start = Std.int(f.offset / pieceLength);
+		var rem = f.length - (index - start) * pieceLength;
+		return Std.int(Math.min(pieceLength, rem));
+	}
+
+	public function verifyPieceV2(index:Int, data:Bytes):Bool {
+		var fi = fileForPiece(index);
+		if (fi < 0 || fileHashes == null
+				|| fileHashes.length <= fi || fileHashes[fi] == null) {
+			return false;
+		}
+		var f = files[fi];
+		var start = Std.int(f.offset / pieceLength);
+		var expected = fileHashes[fi][index - start];
+		if (expected == null) return false;
+		var actual = f.length <= pieceLength
+			? merkleRoot(data) : pieceRootV2(data);
+		return memcmp(actual, expected);
+	}
+
+	public function pieceRootV2(data:Bytes):Bytes {
+		var base = Std.int(Math.log(pieceLength / 16384)
+			/ Math.log(2));
+		var pieceLeaves = 1 << base;
+		var leaves:Array<Bytes> = [];
+		var pos = 0;
+		while (pos < data.length) {
+			var n = Std.int(Math.min(16384, data.length - pos));
+			leaves.push(haxe.crypto.Sha256.make(data.sub(pos, n)));
+			pos += n;
+		}
+		var zero = leafZero();
+		while (leaves.length < pieceLeaves) leaves.push(zero);
+		return merkleReduce(leaves);
+	}
+
+	public function verifyLayer(fi:Int, hashes:Array<Bytes>):Bool {
+		if (fi < 0 || hashes == null) return false;
+		var root = files[fi].piecesRoot;
+		if (root == null) return false;
+		var base = Std.int(Math.log(pieceLength / 16384)
+			/ Math.log(2));
+		var level = hashes.copy();
+		var pow = 1;
+		while (pow < level.length) pow <<= 1;
+		var zero = layerZero(base);
+		while (level.length < pow) level.push(zero);
+		return memcmp(merkleReduce(level), root);
+	}
+
+	static var layerZeroCache:Map<Int, Bytes> = [];
+	public static function layerZero(level:Int):Bytes {
+		if (level == 0) return leafZero();
+		var half = layerZero(level - 1);
+		return hashPair(half, half);
+	}
+
+	public static function hashPair(a:Bytes, b:Bytes):Bytes {
+		var buf = new haxe.io.BytesBuffer();
+		buf.addBytes(a, 0, 32);
+		buf.addBytes(b, 0, 32);
+		return haxe.crypto.Sha256.make(buf.getBytes());
+	}
+
+	public static function merkleReduce(hashes:Array<Bytes>):Bytes {
+		var level = hashes;
+		while (level.length > 1) {
+			var next:Array<Bytes> = [];
+			for (i in 0...Std.int(level.length / 2)) {
+				next.push(hashPair(level[i * 2], level[i * 2 + 1]));
+			}
+			level = next;
+		}
+		return level.length > 0 ? level[0] : Bytes.alloc(32);
+	}
+
+	static public function memcmp(a:Bytes, b:Bytes):Bool {
+		if (a == null || b == null || a.length != b.length) return false;
+		for (i in 0...a.length) if (a.get(i) != b.get(i)) return false;
+		return true;
+	}
+
+	var treeCursor:Int = 0;
+	function walkFileTree(node:Dynamic, path:Array<String>):Void {
+		var aligned = pieces == null;
+		var keys = Reflect.fields(node);
+		keys.sort(Reflect.compare);
+		for (key in keys) {
+			var child = Reflect.field(node, key);
+			if (key == "") {
+				var len = Std.int(fieldFloat(child, "length"));
+				var p = path.length == 2 && path[0] == name
+					&& path[1] == name ? name : path.join("/");
+				var offset = aligned ? treeCursor * pieceLength
+					: totalLength;
+				files.push({path: sanitizePath(p), length: len,
+					offset: offset,
+					piecesRoot: toBytes(
+						Reflect.field(child, "pieces root"))});
+				if (aligned) {
+					treeCursor += Std.int(
+						Math.ceil(len / pieceLength));
+				}
+				totalLength += len;
+			} else {
+				var next = path.copy();
+				next.push(key);
+				walkFileTree(child, next);
+			}
+		}
+	}
+
+	function applyV1Layout(filesList:Dynamic):Void {
+		if (!Std.isOfType(filesList, Array)) return;
+		var byPath = new Map<String, TorrentFileEntry>();
+		for (f in files) byPath.set(f.path, f);
+		var ordered:Array<TorrentFileEntry> = [];
+		var off = 0;
+		for (fl in (filesList:Array<Dynamic>)) {
+			var len = Std.int(fieldFloat(fl, "length"));
+			var pathList:Array<Dynamic> = Reflect.field(fl, "path");
+			var path = name;
+			if (pathList != null) {
+				var parts = [for (p in pathList) bytesToString(p)];
+				path = name + "/" + parts.join("/");
+			}
+			var e = byPath.get(sanitizePath(path));
+			if (e == null) {
+				e = {path: sanitizePath(path), length: len,
+					offset: off};
+			} else {
+				e.offset = off;
+				e.length = len;
+			}
+			off += len;
+			ordered.push(e);
+		}
+		files = ordered;
+		totalLength = off;
+	}
+
+	public function initFileHashes():Void {
+		if (metaVersion != 2 || files == null
+				|| pieceLength <= 0) return;
+		if (fileHashes == null) {
+			fileHashes = [for (f in files) null];
+		}
+		for (fi in 0...files.length) {
+			var f = files[fi];
+			if (f.length > 0 && f.length <= pieceLength
+					&& f.piecesRoot != null) {
+				fileHashes[fi] = [f.piecesRoot];
+			}
+		}
+	}
+
+	public function loadPieceLayers(data:Bytes):Void {
+		if (metaVersion != 2 || fileHashes == null) return;
+		var pos = findTopKey(data, "piece layers");
+		if (pos < 0 || data.get(pos) != 'd'.code) return;
+		var byRoot = new Map<String, Bytes>();
+		var p = pos + 1;
+		while (p < data.length && data.get(p) != 'e'.code) {
+			var key = rawString(data, p);
+			if (key == null) return;
+			p = skipValue(data, p);
+			var val = rawString(data, p);
+			if (val == null) return;
+			p = skipValue(data, p);
+			byRoot.set(Crypto.toHex(key), val);
+		}
+		for (fi in 0...files.length) {
+			var f = files[fi];
+			if (f.piecesRoot == null) continue;
+			var np = Std.int(Math.ceil(f.length / pieceLength));
+			if (np <= 1) continue;
+			var raw = byRoot.get(Crypto.toHex(f.piecesRoot));
+			if (raw == null || raw.length < np * 32) continue;
+			var hashes = [for (i in 0...np) raw.sub(i * 32, 32)];
+			if (verifyLayer(fi, hashes)) fileHashes[fi] = hashes;
+		}
+	}
+
+	static function rawString(data:Bytes, pos:Int):Bytes {
+		var b = data.get(pos);
+		if (b < '0'.code || b > '9'.code) return null;
+		var len = 0;
+		while (pos < data.length && data.get(pos) != ':'.code) {
+			len = len * 10 + (data.get(pos) - '0'.code);
+			pos++;
+		}
+		if (pos + 1 + len > data.length) return null;
+		return data.sub(pos + 1, len);
+	}
+
+	static function findTopKey(data:Bytes, want:String):Int {
+		if (data.length == 0 || data.get(0) != 'd'.code) return -1;
+		var pos = 1;
+		while (pos < data.length && data.get(pos) != 'e'.code) {
+			var keyEnd = skipValue(data, pos);
+			var key = data.sub(pos, keyEnd - pos).toString();
+			var colon = key.indexOf(":");
+			key = key.substr(colon + 1);
+			var valEnd = skipValue(data, keyEnd);
+			if (key == want) return keyEnd;
+			pos = valEnd;
+		}
+		return -1;
+	}
+
+	static function parseAnnounce(dict:Dynamic):Array<String> {
+		var out:Array<String> = [];
+		var seen = new Map<String, Bool>();
+		var list:Array<Dynamic> = Reflect.field(dict, "announce-list");
+		if (list != null) {
+			for (tier in list) {
+				if (Std.isOfType(tier, Array)) {
+					for (u in (tier:Array<Dynamic>)) {
+						var s = bytesToString(u);
+						if (s != null && !seen.exists(s)) {
+							seen.set(s, true);
+							out.push(s);
+						}
+					}
+				}
+			}
+		}
+		var single = bytesToString(Reflect.field(dict, "announce"));
+		if (single != null && !seen.exists(single)) {
+			out.push(single);
+		}
+		return out;
+	}
+
+	public static function fromInfoDict(rawInfo:Bytes, infoHash:Bytes, ?announce:Array<String>):MetaInfo {
+		var m = new MetaInfo();
+		m.rawInfo = rawInfo;
+		m.infoHash = infoHash;
+		m.infoHashHex = infoHash != null ? Crypto.toHex(infoHash) : null;
+		var infoDict = Bencode.decode(rawInfo);
+		m.parseInfo(infoDict);
+		if (m.metaVersion == 2) {
+			m.infoHashV2 = haxe.crypto.Sha256.make(rawInfo);
+			m.infoHashV2Hex = Crypto.toHex(m.infoHashV2);
+		}
+		m.announce = announce != null ? announce : [];
+		m.initFileHashes();
+		return m;
+	}
+
+	public static function create(name:String, files:Array<{path:String, data:Bytes}>, ?announce:Array<String>, ?opts:Dynamic):MetaInfo {
+		var m = new MetaInfo();
+		m.name = name;
+		m.announce = announce != null ? announce : [];
+		m.files = [];
+		var pieceLengthOpt = 0;
+		if (opts != null) {
+			m.isPrivate = fieldFloat(opts, "private") == 1
+				|| Reflect.field(opts, "private") == true;
+			m.source = Reflect.field(opts, "source");
+			m.comment = Reflect.field(opts, "comment");
+			m.createdBy = Reflect.field(opts, "createdBy");
+			var u:Dynamic = Reflect.field(opts, "urlList");
+			if (u != null) {
+				m.urlList = Std.isOfType(u, Array)
+					? (u:Array<String>) : [Std.string(u)];
+			}
+			pieceLengthOpt = Std.int(fieldFloat(opts, "pieceLength"));
+		}
+
+		var mvOpt = opts != null
+			? Std.int(fieldFloat(opts, "metaVersion")) : 1;
+		if (mvOpt < 1) mvOpt = 1;
+		var isV1 = mvOpt != 2;
+		var isV2 = mvOpt != 1;
+		m.metaVersion = isV2 ? 2 : 1;
+
+		var aligned = mvOpt == 2;
+		var total = 0;
+		for (f in files) total += f.data.length;
+		m.pieceLength = pieceLengthOpt > 0 ? pieceLengthOpt
+			: TorrentInfo.pieceLength(total);
+
+		var cursor = 0;
+		var content = new haxe.io.BytesBuffer();
+		for (f in files) {
+			var entry:TorrentFileEntry = {path: f.path,
+				length: f.data.length,
+				offset: aligned ? cursor * m.pieceLength
+					: m.totalLength};
+			if (isV2) entry.piecesRoot = merkleRoot(f.data);
+			m.files.push(entry);
+			m.totalLength += f.data.length;
+			cursor += Std.int(Math.ceil(f.data.length
+				/ m.pieceLength));
+			content.addBytes(f.data, 0, f.data.length);
+		}
+		var all = content.getBytes();
+		m.storageLength = aligned ? cursor * m.pieceLength
+			: m.totalLength;
+		m.pieces = isV1 ? TorrentInfo.pieces(all, m.pieceLength)
+			: null;
+
+		var info:Dynamic = {};
+		Reflect.setField(info, "name", name);
+		Reflect.setField(info, "piece length", m.pieceLength);
+		if (m.isPrivate) Reflect.setField(info, "private", 1);
+		if (m.source != null) Reflect.setField(info, "source", m.source);
+		if (isV1) {
+			Reflect.setField(info, "pieces", m.pieces);
+			if (files.length == 1) {
+				Reflect.setField(info, "length", files[0].data.length);
+			} else {
+				var fl:Array<Dynamic> = [];
+				for (f in files) {
+					var fd:Dynamic = {};
+					Reflect.setField(fd, "length", f.data.length);
+					var rel = f.path;
+					if (rel.indexOf(name + "/") == 0) {
+						rel = rel.substr(name.length + 1);
+					}
+					Reflect.setField(fd, "path", rel.split("/"));
+					fl.push(fd);
+				}
+				Reflect.setField(info, "files", fl);
+			}
+		}
+		if (isV2) {
+			Reflect.setField(info, "meta version", 2);
+			Reflect.setField(info, "file tree",
+				buildFileTree(name, files, m.files));
+		}
+		if (isV2) {
+			m.pieceLayers = [];
+			for (i in 0...files.length) {
+				var f = files[i];
+				var entry = m.files[i];
+				if (f.data.length <= m.pieceLength
+						|| entry.piecesRoot == null) continue;
+				var np = Std.int(Math.ceil(f.data.length
+					/ m.pieceLength));
+				var buf = new haxe.io.BytesBuffer();
+				for (p in 0...np) {
+					var off = p * m.pieceLength;
+					var sz = Std.int(Math.min(m.pieceLength,
+						f.data.length - off));
+					buf.addBytes(m.pieceRootV2(
+						f.data.sub(off, sz)), 0, 32);
+				}
+				m.pieceLayers.push({root: entry.piecesRoot,
+					hashes: buf.getBytes()});
+			}
+			if (m.pieceLayers.length == 0) m.pieceLayers = null;
+		}
+		m.rawInfo = Bencode.encode(info);
+		if (isV1) {
+			m.infoHash = haxe.crypto.Sha1.make(m.rawInfo);
+			m.infoHashHex = Crypto.toHex(m.infoHash);
+		}
+		if (isV2) {
+			m.infoHashV2 = haxe.crypto.Sha256.make(m.rawInfo);
+			m.infoHashV2Hex = Crypto.toHex(m.infoHashV2);
+		}
+		return m;
+	}
+
+	public static function merkleRoot(data:Bytes):Bytes {
+		if (data.length == 0) return Bytes.alloc(32);
+		var leaves:Array<Bytes> = [];
+		var pos = 0;
+		while (pos < data.length) {
+			var n = Std.int(Math.min(16384, data.length - pos));
+			leaves.push(haxe.crypto.Sha256.make(data.sub(pos, n)));
+			pos += n;
+		}
+		var pow = 1;
+		while (pow < leaves.length) pow <<= 1;
+		var zero = leafZero();
+		while (leaves.length < pow) leaves.push(zero);
+		return merkleReduce(leaves);
+	}
+
+	static var leafZeroCache:Bytes = null;
+	static function leafZero():Bytes {
+		if (leafZeroCache == null) leafZeroCache = Bytes.alloc(32);
+		return leafZeroCache;
+	}
+
+	static function buildFileTree(name:String, files:Array<{path:String, data:Bytes}>, entries:Array<TorrentFileEntry>):Dynamic {
+		var root:Dynamic = {};
+		for (i in 0...files.length) {
+			var rel = files[i].path;
+			if (rel.indexOf(name + "/") == 0) {
+				rel = rel.substr(name.length + 1);
+			}
+			var parts = rel.split("/");
+			var node = root;
+			for (p in 0...parts.length - 1) {
+				var nxt = Reflect.field(node, parts[p]);
+				if (nxt == null) {
+					nxt = {};
+					Reflect.setField(node, parts[p], nxt);
+				}
+				node = nxt;
+			}
+			var leaf:Dynamic = {};
+			Reflect.setField(leaf, "length", files[i].data.length);
+			Reflect.setField(leaf, "pieces root",
+				entries[i].piecesRoot);
+			var leafWrap:Dynamic = {};
+			Reflect.setField(leafWrap, "", leaf);
+			Reflect.setField(node, parts[parts.length - 1], leafWrap);
+		}
+		return root;
+	}
+
+	public function toTorrentBytes(?extra:Dynamic):Bytes {
+		var dict:Dynamic = extra != null ? extra : {};
+		Reflect.setField(dict, "info", Bencode.decode(rawInfo));
+		if (announce.length > 0) {
+			Reflect.setField(dict, "announce", announce[0]);
+			var tiers:Array<Dynamic> = [for (a in announce) [a]];
+			Reflect.setField(dict, "announce-list", tiers);
+		}
+		if (comment != null) Reflect.setField(dict, "comment", comment);
+		if (createdBy != null) {
+			Reflect.setField(dict, "created by", createdBy);
+		}
+		if (urlList != null && urlList.length > 0) {
+			Reflect.setField(dict, "url-list",
+				urlList.length == 1 ? (urlList[0]:Dynamic)
+					: [for (u in urlList) u]);
+		}
+		Reflect.setField(dict, "creation date",
+			creationDate > 0 ? creationDate
+				: Std.int(Date.now().getTime() / 1000));
+		if (pieceLayers != null && pieceLayers.length > 0) {
+			var pl = new Bencode.RawDict();
+			var sorted = pieceLayers.copy();
+			sorted.sort(function(a, b) {
+				var n = a.root.length < b.root.length
+					? a.root.length : b.root.length;
+				for (i in 0...n) {
+					var d = a.root.get(i) - b.root.get(i);
+					if (d != 0) return d;
+				}
+				return a.root.length - b.root.length;
+			});
+			for (e in sorted) {
+				pl.pairs.push({key: e.root, val: e.hashes});
+			}
+			Reflect.setField(dict, "piece layers", pl);
+		}
+		return Bencode.encode(dict);
+	}
+
+	public function pieceHash(index:Int):Bytes {
+		return pieces.sub(index * TorrentInfo.HASH_LENGTH,
+			TorrentInfo.HASH_LENGTH);
+	}
+
+	public function pieceSize(index:Int):Int {
+		if (pieces == null) return pieceSizeV2(index); // v2 aligned
+		if (index == numPieces - 1) {
+			var rem = totalLength % pieceLength;
+			return rem == 0 ? pieceLength : rem;
+		}
+		return pieceLength;
+	}
+
+	static function fieldFloat(obj:Dynamic, name:String):Float {
+		var v = Reflect.field(obj, name);
+		if (v == null) return 0;
+		if (Std.isOfType(v, Float) || Std.isOfType(v, Int)) return v;
+		return Std.parseFloat(Std.string(v));
+	}
+
+	static function bytesToString(v:Dynamic):String {
+		if (v == null) return null;
+		if (Std.isOfType(v, String)) return v;
+		if (Std.isOfType(v, Float) || Std.isOfType(v, Int)) {
+			return Std.string(v);
+		}
+		if (Std.isOfType(v, Bytes)) return (v:Bytes).toString();
+		return Std.string(v);
+	}
+
+	public static function toBytes(v:Dynamic):Bytes {
+		if (v == null) return null;
+		if (Std.isOfType(v, Float) || Std.isOfType(v, Int)
+				|| Std.isOfType(v, String) || Std.isOfType(v, Array)) {
+			return null;
+		}
+		if (Std.isOfType(v, Bytes)) return (v:Bytes);
+		return null;
+	}
+
+	static function extractInfoBytes(data:Bytes):Bytes {
+		var pos = 0;
+		if (data.get(pos) != 'd'.code) throw "MetaInfo: not a dict";
+		pos++;
+		while (pos < data.length && data.get(pos) != 'e'.code) {
+			var keyEnd = skipValue(data, pos);
+			var key = data.sub(pos, keyEnd - pos).toString();
+			var colon = key.indexOf(":");
+			key = key.substr(colon + 1);
+			var valStart = keyEnd;
+			var valEnd = skipValue(data, valStart);
+			if (key == "info") {
+				return data.sub(valStart, valEnd - valStart);
+			}
+			pos = valEnd;
+		}
+		throw "MetaInfo: info key not found";
+	}
+
+	static public function skipValue(data:Bytes, pos:Int):Int {
+		var b = data.get(pos);
+		if (b == 'i'.code) {
+			pos++;
+			while (pos < data.length && data.get(pos) != 'e'.code) pos++;
+			return pos + 1;
+		}
+		if (b == 'l'.code || b == 'd'.code) {
+			pos++;
+			while (pos < data.length && data.get(pos) != 'e'.code) {
+				pos = skipValue(data, pos);
+			}
+			return pos + 1;
+		}
+		var len = 0;
+		while (pos < data.length && data.get(pos) != ':'.code) {
+			len = len * 10 + (data.get(pos) - '0'.code);
+			pos++;
+		}
+		return pos + 1 + len;
+	}
+}

leenkx/Sources/leenkx/network/torrent/PieceManager.hx

@@ -0,0 +1,329 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.storage.Storage.IStorage;
+
+class PieceManager {
+	public static inline var BLOCK_SIZE = 16384;
+
+	var meta:MetaInfo;
+	var storage:IStorage;
+
+	public var have:Array<Bool>;
+	public var numHave:Int = 0;
+	public var bitfield:Bytes;
+
+	var pending:Map<Int, Map<Int, Bytes>> = [];
+	var pendingCount:Map<Int, Int> = [];
+	var requested:Map<String, Map<Int, Map<Int, Bool>>> = [];
+	var globalRequested:Map<Int, Map<Int, Bool>> = [];
+	var pendingV2:Map<Int, Bytes> = [];
+
+	public var onPieceComplete:Int -> Void;
+	public var onPieceFailed:Int -> Void;
+	public var onComplete:Void -> Void;
+
+	@:allow(leenkx.network.torrent.Torrent)
+	@:allow(leenkx.network.torrent.WebSeed)
+	var selections:Array<{start:Int, end:Int, priority:Int,
+		notify:Void -> Void}> = [];
+
+	public function select(startByte:Int, endByte:Int, ?priority:Int, ?notify:Void -> Void):Void {
+		selections.push({start: pieceIndex(startByte),
+			end: pieceIndex(endByte),
+			priority: priority != null ? priority : 0,
+			notify: notify});
+		selections.sort(function(a, b) return b.priority
+			- a.priority);
+	}
+
+	public function deselect(startByte:Int, endByte:Int, ?priority:Int):Void {
+		var s = pieceIndex(startByte);
+		var e = pieceIndex(endByte);
+		var p = priority != null ? priority : 0;
+		for (i in 0...selections.length) {
+			var sel = selections[i];
+			if (sel.start == s && sel.end == e
+					&& sel.priority == p) {
+				selections.splice(i, 1);
+				return;
+			}
+		}
+	}
+
+	function pieceIndex(byte:Int):Int {
+		var i = Std.int(byte / meta.pieceLength);
+		if (i < 0) i = 0;
+		if (i >= meta.numPieces) i = meta.numPieces - 1;
+		return i;
+	}
+
+	function updateSelections(index:Int):Void {
+		var i = 0;
+		while (i < selections.length) {
+			var sel = selections[i];
+			if (index < sel.start || index > sel.end
+					|| sel.notify == null) {
+				i++;
+				continue;
+			}
+			var done = true;
+			for (p in sel.start...sel.end + 1) {
+				if (!have[p]) {
+					done = false;
+					break;
+				}
+			}
+			if (done) {
+				selections.splice(i, 1);
+				sel.notify();
+			} else i++;
+		}
+	}
+
+	public var complete(get, never):Bool;
+	function get_complete():Bool return numHave == meta.numPieces;
+
+	public function new(meta:MetaInfo, storage:IStorage) {
+		this.meta = meta;
+		this.storage = storage;
+		have = [for (i in 0...meta.numPieces) false];
+		bitfield = Bytes.alloc(Std.int(Math.ceil(meta.numPieces / 8)));
+	}
+
+	public static function forSeeder(meta:MetaInfo, storage:IStorage):PieceManager {
+		var pm = new PieceManager(meta, storage);
+		for (i in 0...meta.numPieces) pm.markHave(i);
+		return pm;
+	}
+
+	public function markHave(index:Int):Void {
+		if (have[index]) return;
+		have[index] = true;
+		numHave++;
+		bitfield.set(index >> 3, bitfield.get(index >> 3)
+			| (0x80 >> (index & 7)));
+	}
+
+	public function addBlock(index:Int, begin:Int, data:Bytes):Bool {
+		if (index < 0 || index >= meta.numPieces || begin < 0
+			|| data == null
+			|| begin + data.length > meta.pieceSize(index)) {
+			return false;
+		}
+		if (have[index]) return true;
+		var blocks = pending.get(index);
+		if (blocks == null) {
+			blocks = [];
+			pending.set(index, blocks);
+			pendingCount.set(index, 0);
+		}
+		if (!blocks.exists(begin)) {
+			blocks.set(begin, data);
+			pendingCount.set(index, pendingCount.get(index) + data.length);
+			var gReq = globalRequested.get(index);
+			if (gReq != null) {
+				gReq.remove(begin);
+				if (!gReq.keys().hasNext()) globalRequested.remove(index);
+			}
+		}
+		if (pendingCount.get(index) < meta.pieceSize(index)) return false;
+
+		var piece = Bytes.alloc(meta.pieceSize(index));
+		var off = 0;
+		var keys = [for (k in blocks.keys()) k];
+		keys.sort(Reflect.compare);
+		for (b in keys) {
+			var d = blocks.get(b);
+			piece.blit(b, d, 0, d.length);
+		}
+		var ok = true;
+		if (meta.pieces == null) {
+			var fi = meta.fileForPiece(index);
+			var layer = fi >= 0 && meta.fileHashes != null
+				&& meta.fileHashes.length > fi
+				? meta.fileHashes[fi] : null;
+			pending.remove(index);
+			pendingCount.remove(index);
+			if (layer == null) {
+				pendingV2.set(index, piece);
+				return false;
+			}
+			ok = meta.verifyPieceV2(index, piece);
+		} else {
+			var hash = haxe.crypto.Sha1.make(piece);
+			ok = MetaInfo.memcmp(hash, meta.pieceHash(index));
+			pending.remove(index);
+			pendingCount.remove(index);
+		}
+		if (!ok) {
+			trace('[PieceManager] piece ' + index
+				+ ' verification FAILED');
+			releaseRequested(index);
+			if (onPieceFailed != null) onPieceFailed(index);
+			return false;
+		}
+		storage.write(index * meta.pieceLength, piece);
+		markHave(index);
+		updateSelections(index);
+		if (onPieceComplete != null) onPieceComplete(index);
+		if (complete && onComplete != null) onComplete();
+		return true;
+	}
+
+	public function flushPendingV2(fi:Int):Bool {
+		if (meta.pieces != null) return false;
+		var f = meta.files[fi];
+		var start = Std.int(f.offset / meta.pieceLength);
+		var np = Std.int(Math.ceil(f.length / meta.pieceLength));
+		var wrote = false;
+		for (i in start...start + np) {
+			var piece = pendingV2.get(i);
+			if (piece == null) continue;
+			pendingV2.remove(i);
+			if (!meta.verifyPieceV2(i, piece)) {
+				trace('[PieceManager] flush piece ' + i
+					+ ' verification FAILED');
+				releaseRequested(i);
+				if (onPieceFailed != null) onPieceFailed(i);
+				continue;
+			}
+			storage.write(i * meta.pieceLength, piece);
+			markHave(i);
+			updateSelections(i);
+			wrote = true;
+			if (onPieceComplete != null) onPieceComplete(i);
+		}
+		if (complete && onComplete != null) onComplete();
+		return wrote;
+	}
+
+	public function untouched(index:Int):Bool {
+		return !have[index] && !pending.exists(index)
+			&& !pendingV2.exists(index)
+			&& !globalRequested.exists(index);
+	}
+
+	public function readBlock(index:Int, begin:Int, length:Int):Bytes {
+		return storage.read(index * meta.pieceLength + begin, length);
+	}
+
+	public function neededBlocks(peerKey:String, index:Int):Array<{begin:Int, length:Int}> {
+		if (pendingV2.exists(index)) return [];
+		var size = meta.pieceSize(index);
+		var blocks = pending.get(index);
+		var peerReq = requested.get(peerKey);
+		var req = peerReq != null ? peerReq.get(index) : null;
+		var globalReq = globalRequested.get(index);
+		var out:Array<{begin:Int, length:Int}> = [];
+		var off = 0;
+		while (off < size) {
+			var len = size - off;
+			if (len > BLOCK_SIZE) len = BLOCK_SIZE;
+			if ((blocks == null || !blocks.exists(off))
+				&& (req == null || !req.exists(off))
+				&& (globalReq == null || !globalReq.exists(off))) {
+				out.push({begin: off, length: len});
+			}
+			off += len;
+		}
+		return out;
+	}
+
+	public function markRequested(key:String, index:Int, begin:Int):Void {
+		var r = requested.get(key);
+		if (r == null) requested.set(key,
+			r = new Map<Int, Map<Int, Bool>>());
+		var m = r.get(index);
+		if (m == null) r.set(index, m = new Map<Int, Bool>());
+		m.set(begin, true);
+		var g = globalRequested.get(index);
+		if (g == null) globalRequested.set(index,
+			g = new Map<Int, Bool>());
+		g.set(begin, true);
+		reqTimes.set(key + "|" + index + "|" + begin,
+			haxe.Timer.stamp());
+	}
+
+	var reqTimes:Map<String, Float> = [];
+
+	public function expireRequests(ttlSec:Float):Map<String, Int> {
+		var now = haxe.Timer.stamp();
+		var dead:Array<String> = [];
+		for (k in reqTimes.keys()) {
+			if (now - reqTimes.get(k) > ttlSec) dead.push(k);
+		}
+		var expired:Map<String, Int> = [];
+		for (k in dead) {
+			var p = k.split("|");
+			var idx = Std.parseInt(p[1]);
+			var beg = Std.parseInt(p[2]);
+			var peerReq = requested.get(p[0]);
+			if (peerReq != null) {
+				var r = peerReq.get(idx);
+				if (r != null && r.exists(beg)) {
+					r.remove(beg);
+					var n = expired.exists(p[0]) ? expired.get(p[0]) : 0;
+					expired.set(p[0], n + 1);
+				}
+			}
+			var g = globalRequested.get(idx);
+			if (g != null) {
+				g.remove(beg);
+				var empty = true;
+				for (b in g.keys()) {
+					empty = false;
+					break;
+				}
+				if (empty) globalRequested.remove(idx);
+			}
+			reqTimes.remove(k);
+		}
+		return expired;
+	}
+
+	public function releaseRequested(index:Int):Void {
+		globalRequested.remove(index);
+		var keys = [for (k in requested.keys()) k];
+		for (key in keys) {
+			var r = requested.get(key);
+			var m = r.get(index);
+			if (m != null) {
+				for (b in m.keys()) {
+					reqTimes.remove(key + "|" + index + "|" + b);
+				}
+				r.remove(index);
+			}
+		}
+	}
+
+	public function clearRequested(peerKey:String, index:Int):Void {
+		var peerReq = requested.get(peerKey);
+		if (peerReq != null) {
+			var req = peerReq.get(index);
+			if (req != null) {
+				var gReq = globalRequested.get(index);
+				if (gReq != null) {
+					for (off in req.keys()) gReq.remove(off);
+					if (!gReq.keys().hasNext()) globalRequested.remove(index);
+				}
+			}
+			peerReq.remove(index);
+		}
+	}
+
+	public function clearAllRequested(peerKey:String):Void {
+		var peerReq = requested.get(peerKey);
+		if (peerReq != null) {
+			for (index in peerReq.keys()) {
+				var req = peerReq.get(index);
+				var gReq = globalRequested.get(index);
+				if (gReq != null && req != null) {
+					for (off in req.keys()) gReq.remove(off);
+					if (!gReq.keys().hasNext()) globalRequested.remove(index);
+				}
+			}
+			requested.remove(peerKey);
+		}
+	}
+}

leenkx/Sources/leenkx/network/torrent/Ripemd160.hx

@@ -0,0 +1,334 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+class Ripemd160 {
+
+	static inline function ROL(x:Int, n:Int):Int {
+		return (x << n) | (x >>> (32 - n));
+	}
+
+	static inline function F(x:Int, y:Int, z:Int):Int {
+		return x ^ y ^ z;
+	}
+
+	static inline function G(x:Int, y:Int, z:Int):Int {
+		return (x & y) | (~x & z);
+	}
+
+	static inline function H(x:Int, y:Int, z:Int):Int {
+		return (x | ~y) ^ z;
+	}
+
+	static inline function I(x:Int, y:Int, z:Int):Int {
+		return (x & z) | (y & ~z);
+	}
+
+	static inline function J(x:Int, y:Int, z:Int):Int {
+		return x ^ (y | ~z);
+	}
+
+	static inline function FF(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + F(b, c, d) + x;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function GG(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + G(b, c, d) + x + 0x5A827999;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function HH(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + H(b, c, d) + x + 0x6ED9EBA1;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function II(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + I(b, c, d) + x + 0x8F1BBCDC;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function JJ(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + J(b, c, d) + x + 0xA953FD4E;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function FFF(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + F(b, c, d) + x;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function GGG(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + G(b, c, d) + x + 0x7A6D76E9;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function HHH(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + H(b, c, d) + x + 0x6D703EF3;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function III(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + I(b, c, d) + x + 0x5C4DD124;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	static inline function JJJ(a:Int, b:Int, c:Int, d:Int, e:Int, x:Int, s:Int):Int {
+		a = a + J(b, c, d) + x + 0x50A28BE6;
+		a = ROL(a, s) + e;
+		return a;
+	}
+
+	public static function make(data:Bytes):Bytes {
+		var msgLen = data.length;
+		var bitLen = msgLen * 8;
+
+		var padLen = 56 - ((msgLen + 1) % 64);
+		if (padLen < 0) padLen += 64;
+		var totalLen = msgLen + 1 + padLen + 8;
+
+		var padded = Bytes.alloc(totalLen);
+		padded.blit(0, data, 0, msgLen);
+		padded.set(msgLen, 0x80);
+		for (i in (msgLen + 1)...(totalLen - 8)) padded.set(i, 0);
+		padded.set(totalLen - 8, bitLen & 0xFF);
+		padded.set(totalLen - 7, (bitLen >> 8) & 0xFF);
+		padded.set(totalLen - 6, (bitLen >> 16) & 0xFF);
+		padded.set(totalLen - 5, (bitLen >> 24) & 0xFF);
+		padded.set(totalLen - 4, 0);
+		padded.set(totalLen - 3, 0);
+		padded.set(totalLen - 2, 0);
+		padded.set(totalLen - 1, 0);
+
+		var h0 = 0x67452301;
+		var h1 = 0xEFCDAB89;
+		var h2 = 0x98BADCFE;
+		var h3 = 0x10325476;
+		var h4 = 0xC3D2E1F0;
+
+		var numBlocks = Std.int(totalLen / 64);
+
+		for (block in 0...numBlocks) {
+			var base = block * 64;
+			var X = new Array<Int>();
+			for (i in 0...16) {
+				var off = base + i * 4;
+				X.push(padded.get(off) | (padded.get(off + 1) << 8) |
+					(padded.get(off + 2) << 16) | (padded.get(off + 3) << 24));
+			}
+
+			var a = h0, b = h1, c = h2, d = h3, e = h4;
+			var a1 = h0, b1 = h1, c1 = h2, d1 = h3, e1 = h4;
+
+			a = FF(a, b, c, d, e, X[0], 11); c = ROL(c, 10);
+			e = FF(e, a, b, c, d, X[1], 14); b = ROL(b, 10);
+			d = FF(d, e, a, b, c, X[2], 15); a = ROL(a, 10);
+			c = FF(c, d, e, a, b, X[3], 12); e = ROL(e, 10);
+			b = FF(b, c, d, e, a, X[4], 5); d = ROL(d, 10);
+			a = FF(a, b, c, d, e, X[5], 8); c = ROL(c, 10);
+			e = FF(e, a, b, c, d, X[6], 7); b = ROL(b, 10);
+			d = FF(d, e, a, b, c, X[7], 9); a = ROL(a, 10);
+			c = FF(c, d, e, a, b, X[8], 11); e = ROL(e, 10);
+			b = FF(b, c, d, e, a, X[9], 13); d = ROL(d, 10);
+			a = FF(a, b, c, d, e, X[10], 14); c = ROL(c, 10);
+			e = FF(e, a, b, c, d, X[11], 15); b = ROL(b, 10);
+			d = FF(d, e, a, b, c, X[12], 6); a = ROL(a, 10);
+			c = FF(c, d, e, a, b, X[13], 7); e = ROL(e, 10);
+			b = FF(b, c, d, e, a, X[14], 9); d = ROL(d, 10);
+			a = FF(a, b, c, d, e, X[15], 8); c = ROL(c, 10);
+
+			e = GG(e, a, b, c, d, X[7], 7); b = ROL(b, 10);
+			d = GG(d, e, a, b, c, X[4], 6); a = ROL(a, 10);
+			c = GG(c, d, e, a, b, X[13], 8); e = ROL(e, 10);
+			b = GG(b, c, d, e, a, X[1], 13); d = ROL(d, 10);
+			a = GG(a, b, c, d, e, X[10], 11); c = ROL(c, 10);
+			e = GG(e, a, b, c, d, X[6], 9); b = ROL(b, 10);
+			d = GG(d, e, a, b, c, X[15], 7); a = ROL(a, 10);
+			c = GG(c, d, e, a, b, X[3], 15); e = ROL(e, 10);
+			b = GG(b, c, d, e, a, X[12], 7); d = ROL(d, 10);
+			a = GG(a, b, c, d, e, X[0], 12); c = ROL(c, 10);
+			e = GG(e, a, b, c, d, X[9], 15); b = ROL(b, 10);
+			d = GG(d, e, a, b, c, X[5], 9); a = ROL(a, 10);
+			c = GG(c, d, e, a, b, X[2], 11); e = ROL(e, 10);
+			b = GG(b, c, d, e, a, X[14], 7); d = ROL(d, 10);
+			a = GG(a, b, c, d, e, X[11], 13); c = ROL(c, 10);
+			e = GG(e, a, b, c, d, X[8], 12); b = ROL(b, 10);
+
+			d = HH(d, e, a, b, c, X[3], 11); a = ROL(a, 10);
+			c = HH(c, d, e, a, b, X[10], 13); e = ROL(e, 10);
+			b = HH(b, c, d, e, a, X[14], 6); d = ROL(d, 10);
+			a = HH(a, b, c, d, e, X[4], 7); c = ROL(c, 10);
+			e = HH(e, a, b, c, d, X[9], 14); b = ROL(b, 10);
+			d = HH(d, e, a, b, c, X[15], 9); a = ROL(a, 10);
+			c = HH(c, d, e, a, b, X[8], 13); e = ROL(e, 10);
+			b = HH(b, c, d, e, a, X[1], 15); d = ROL(d, 10);
+			a = HH(a, b, c, d, e, X[2], 14); c = ROL(c, 10);
+			e = HH(e, a, b, c, d, X[7], 8); b = ROL(b, 10);
+			d = HH(d, e, a, b, c, X[0], 13); a = ROL(a, 10);
+			c = HH(c, d, e, a, b, X[6], 6); e = ROL(e, 10);
+			b = HH(b, c, d, e, a, X[13], 5); d = ROL(d, 10);
+			a = HH(a, b, c, d, e, X[11], 12); c = ROL(c, 10);
+			e = HH(e, a, b, c, d, X[5], 7); b = ROL(b, 10);
+			d = HH(d, e, a, b, c, X[12], 5); a = ROL(a, 10);
+
+			c = II(c, d, e, a, b, X[1], 11); e = ROL(e, 10);
+			b = II(b, c, d, e, a, X[9], 12); d = ROL(d, 10);
+			a = II(a, b, c, d, e, X[11], 14); c = ROL(c, 10);
+			e = II(e, a, b, c, d, X[10], 15); b = ROL(b, 10);
+			d = II(d, e, a, b, c, X[0], 14); a = ROL(a, 10);
+			c = II(c, d, e, a, b, X[8], 15); e = ROL(e, 10);
+			b = II(b, c, d, e, a, X[12], 9); d = ROL(d, 10);
+			a = II(a, b, c, d, e, X[4], 8); c = ROL(c, 10);
+			e = II(e, a, b, c, d, X[13], 9); b = ROL(b, 10);
+			d = II(d, e, a, b, c, X[3], 14); a = ROL(a, 10);
+			c = II(c, d, e, a, b, X[7], 5); e = ROL(e, 10);
+			b = II(b, c, d, e, a, X[15], 6); d = ROL(d, 10);
+			a = II(a, b, c, d, e, X[14], 8); c = ROL(c, 10);
+			e = II(e, a, b, c, d, X[5], 6); b = ROL(b, 10);
+			d = II(d, e, a, b, c, X[6], 5); a = ROL(a, 10);
+			c = II(c, d, e, a, b, X[2], 12); e = ROL(e, 10);
+
+			b = JJ(b, c, d, e, a, X[4], 9); d = ROL(d, 10);
+			a = JJ(a, b, c, d, e, X[0], 15); c = ROL(c, 10);
+			e = JJ(e, a, b, c, d, X[5], 5); b = ROL(b, 10);
+			d = JJ(d, e, a, b, c, X[9], 11); a = ROL(a, 10);
+			c = JJ(c, d, e, a, b, X[7], 6); e = ROL(e, 10);
+			b = JJ(b, c, d, e, a, X[12], 8); d = ROL(d, 10);
+			a = JJ(a, b, c, d, e, X[2], 13); c = ROL(c, 10);
+			e = JJ(e, a, b, c, d, X[10], 12); b = ROL(b, 10);
+			d = JJ(d, e, a, b, c, X[14], 5); a = ROL(a, 10);
+			c = JJ(c, d, e, a, b, X[1], 12); e = ROL(e, 10);
+			b = JJ(b, c, d, e, a, X[3], 13); d = ROL(d, 10);
+			a = JJ(a, b, c, d, e, X[8], 14); c = ROL(c, 10);
+			e = JJ(e, a, b, c, d, X[11], 11); b = ROL(b, 10);
+			d = JJ(d, e, a, b, c, X[6], 8); a = ROL(a, 10);
+			c = JJ(c, d, e, a, b, X[15], 5); e = ROL(e, 10);
+			b = JJ(b, c, d, e, a, X[13], 6); d = ROL(d, 10);
+
+			a1 = JJJ(a1, b1, c1, d1, e1, X[5], 8); c1 = ROL(c1, 10);
+			e1 = JJJ(e1, a1, b1, c1, d1, X[14], 9); b1 = ROL(b1, 10);
+			d1 = JJJ(d1, e1, a1, b1, c1, X[7], 9); a1 = ROL(a1, 10);
+			c1 = JJJ(c1, d1, e1, a1, b1, X[0], 11); e1 = ROL(e1, 10);
+			b1 = JJJ(b1, c1, d1, e1, a1, X[9], 13); d1 = ROL(d1, 10);
+			a1 = JJJ(a1, b1, c1, d1, e1, X[2], 15); c1 = ROL(c1, 10);
+			e1 = JJJ(e1, a1, b1, c1, d1, X[11], 15); b1 = ROL(b1, 10);
+			d1 = JJJ(d1, e1, a1, b1, c1, X[4], 5); a1 = ROL(a1, 10);
+			c1 = JJJ(c1, d1, e1, a1, b1, X[13], 7); e1 = ROL(e1, 10);
+			b1 = JJJ(b1, c1, d1, e1, a1, X[6], 7); d1 = ROL(d1, 10);
+			a1 = JJJ(a1, b1, c1, d1, e1, X[15], 8); c1 = ROL(c1, 10);
+			e1 = JJJ(e1, a1, b1, c1, d1, X[8], 11); b1 = ROL(b1, 10);
+			d1 = JJJ(d1, e1, a1, b1, c1, X[1], 14); a1 = ROL(a1, 10);
+			c1 = JJJ(c1, d1, e1, a1, b1, X[10], 14); e1 = ROL(e1, 10);
+			b1 = JJJ(b1, c1, d1, e1, a1, X[3], 12); d1 = ROL(d1, 10);
+			a1 = JJJ(a1, b1, c1, d1, e1, X[12], 6); c1 = ROL(c1, 10);
+
+			e1 = III(e1, a1, b1, c1, d1, X[6], 9); b1 = ROL(b1, 10);
+			d1 = III(d1, e1, a1, b1, c1, X[11], 13); a1 = ROL(a1, 10);
+			c1 = III(c1, d1, e1, a1, b1, X[3], 15); e1 = ROL(e1, 10);
+			b1 = III(b1, c1, d1, e1, a1, X[7], 7); d1 = ROL(d1, 10);
+			a1 = III(a1, b1, c1, d1, e1, X[0], 12); c1 = ROL(c1, 10);
+			e1 = III(e1, a1, b1, c1, d1, X[13], 8); b1 = ROL(b1, 10);
+			d1 = III(d1, e1, a1, b1, c1, X[5], 9); a1 = ROL(a1, 10);
+			c1 = III(c1, d1, e1, a1, b1, X[10], 11); e1 = ROL(e1, 10);
+			b1 = III(b1, c1, d1, e1, a1, X[14], 7); d1 = ROL(d1, 10);
+			a1 = III(a1, b1, c1, d1, e1, X[15], 7); c1 = ROL(c1, 10);
+			e1 = III(e1, a1, b1, c1, d1, X[8], 12); b1 = ROL(b1, 10);
+			d1 = III(d1, e1, a1, b1, c1, X[12], 7); a1 = ROL(a1, 10);
+			c1 = III(c1, d1, e1, a1, b1, X[4], 6); e1 = ROL(e1, 10);
+			b1 = III(b1, c1, d1, e1, a1, X[9], 15); d1 = ROL(d1, 10);
+			a1 = III(a1, b1, c1, d1, e1, X[1], 13); c1 = ROL(c1, 10);
+			e1 = III(e1, a1, b1, c1, d1, X[2], 11); b1 = ROL(b1, 10);
+
+			d1 = HHH(d1, e1, a1, b1, c1, X[15], 9); a1 = ROL(a1, 10);
+			c1 = HHH(c1, d1, e1, a1, b1, X[5], 7); e1 = ROL(e1, 10);
+			b1 = HHH(b1, c1, d1, e1, a1, X[1], 15); d1 = ROL(d1, 10);
+			a1 = HHH(a1, b1, c1, d1, e1, X[3], 11); c1 = ROL(c1, 10);
+			e1 = HHH(e1, a1, b1, c1, d1, X[7], 8); b1 = ROL(b1, 10);
+			d1 = HHH(d1, e1, a1, b1, c1, X[14], 6); a1 = ROL(a1, 10);
+			c1 = HHH(c1, d1, e1, a1, b1, X[6], 6); e1 = ROL(e1, 10);
+			b1 = HHH(b1, c1, d1, e1, a1, X[9], 14); d1 = ROL(d1, 10);
+			a1 = HHH(a1, b1, c1, d1, e1, X[11], 12); c1 = ROL(c1, 10);
+			e1 = HHH(e1, a1, b1, c1, d1, X[8], 13); b1 = ROL(b1, 10);
+			d1 = HHH(d1, e1, a1, b1, c1, X[12], 5); a1 = ROL(a1, 10);
+			c1 = HHH(c1, d1, e1, a1, b1, X[2], 14); e1 = ROL(e1, 10);
+			b1 = HHH(b1, c1, d1, e1, a1, X[10], 13); d1 = ROL(d1, 10);
+			a1 = HHH(a1, b1, c1, d1, e1, X[0], 13); c1 = ROL(c1, 10);
+			e1 = HHH(e1, a1, b1, c1, d1, X[4], 7); b1 = ROL(b1, 10);
+			d1 = HHH(d1, e1, a1, b1, c1, X[13], 5); a1 = ROL(a1, 10);
+
+			c1 = GGG(c1, d1, e1, a1, b1, X[8], 15); e1 = ROL(e1, 10);
+			b1 = GGG(b1, c1, d1, e1, a1, X[6], 5); d1 = ROL(d1, 10);
+			a1 = GGG(a1, b1, c1, d1, e1, X[4], 8); c1 = ROL(c1, 10);
+			e1 = GGG(e1, a1, b1, c1, d1, X[1], 11); b1 = ROL(b1, 10);
+			d1 = GGG(d1, e1, a1, b1, c1, X[3], 14); a1 = ROL(a1, 10);
+			c1 = GGG(c1, d1, e1, a1, b1, X[11], 14); e1 = ROL(e1, 10);
+			b1 = GGG(b1, c1, d1, e1, a1, X[15], 6); d1 = ROL(d1, 10);
+			a1 = GGG(a1, b1, c1, d1, e1, X[0], 14); c1 = ROL(c1, 10);
+			e1 = GGG(e1, a1, b1, c1, d1, X[5], 6); b1 = ROL(b1, 10);
+			d1 = GGG(d1, e1, a1, b1, c1, X[12], 9); a1 = ROL(a1, 10);
+			c1 = GGG(c1, d1, e1, a1, b1, X[2], 12); e1 = ROL(e1, 10);
+			b1 = GGG(b1, c1, d1, e1, a1, X[13], 9); d1 = ROL(d1, 10);
+			a1 = GGG(a1, b1, c1, d1, e1, X[9], 12); c1 = ROL(c1, 10);
+			e1 = GGG(e1, a1, b1, c1, d1, X[7], 5); b1 = ROL(b1, 10);
+			d1 = GGG(d1, e1, a1, b1, c1, X[10], 15); a1 = ROL(a1, 10);
+			c1 = GGG(c1, d1, e1, a1, b1, X[14], 8); e1 = ROL(e1, 10);
+
+			b1 = FFF(b1, c1, d1, e1, a1, X[12], 8); d1 = ROL(d1, 10);
+			a1 = FFF(a1, b1, c1, d1, e1, X[15], 5); c1 = ROL(c1, 10);
+			e1 = FFF(e1, a1, b1, c1, d1, X[10], 12); b1 = ROL(b1, 10);
+			d1 = FFF(d1, e1, a1, b1, c1, X[4], 9); a1 = ROL(a1, 10);
+			c1 = FFF(c1, d1, e1, a1, b1, X[1], 12); e1 = ROL(e1, 10);
+			b1 = FFF(b1, c1, d1, e1, a1, X[5], 5); d1 = ROL(d1, 10);
+			a1 = FFF(a1, b1, c1, d1, e1, X[8], 14); c1 = ROL(c1, 10);
+			e1 = FFF(e1, a1, b1, c1, d1, X[7], 6); b1 = ROL(b1, 10);
+			d1 = FFF(d1, e1, a1, b1, c1, X[0], 8); a1 = ROL(a1, 10);
+			c1 = FFF(c1, d1, e1, a1, b1, X[6], 5); e1 = ROL(e1, 10);
+			b1 = FFF(b1, c1, d1, e1, a1, X[11], 12); d1 = ROL(d1, 10);
+			a1 = FFF(a1, b1, c1, d1, e1, X[13], 6); c1 = ROL(c1, 10);
+			e1 = FFF(e1, a1, b1, c1, d1, X[2], 5); b1 = ROL(b1, 10);
+			d1 = FFF(d1, e1, a1, b1, c1, X[14], 15); a1 = ROL(a1, 10);
+			c1 = FFF(c1, d1, e1, a1, b1, X[9], 13); e1 = ROL(e1, 10);
+			b1 = FFF(b1, c1, d1, e1, a1, X[3], 11); d1 = ROL(d1, 10);
+
+			var t = h1 + c + d1;
+			h1 = h2 + d + e1;
+			h2 = h3 + e + a1;
+			h3 = h4 + a + b1;
+			h4 = h0 + b + c1;
+			h0 = t;
+		}
+
+		var result = Bytes.alloc(20);
+		result.set(0, h0 & 0xFF);
+		result.set(1, (h0 >> 8) & 0xFF);
+		result.set(2, (h0 >> 16) & 0xFF);
+		result.set(3, (h0 >> 24) & 0xFF);
+		result.set(4, h1 & 0xFF);
+		result.set(5, (h1 >> 8) & 0xFF);
+		result.set(6, (h1 >> 16) & 0xFF);
+		result.set(7, (h1 >> 24) & 0xFF);
+		result.set(8, h2 & 0xFF);
+		result.set(9, (h2 >> 8) & 0xFF);
+		result.set(10, (h2 >> 16) & 0xFF);
+		result.set(11, (h2 >> 24) & 0xFF);
+		result.set(12, h3 & 0xFF);
+		result.set(13, (h3 >> 8) & 0xFF);
+		result.set(14, (h3 >> 16) & 0xFF);
+		result.set(15, (h3 >> 24) & 0xFF);
+		result.set(16, h4 & 0xFF);
+		result.set(17, (h4 >> 8) & 0xFF);
+		result.set(18, (h4 >> 16) & 0xFF);
+		result.set(19, (h4 >> 24) & 0xFF);
+
+		return result;
+	}
+}

leenkx/Sources/leenkx/network/torrent/Torrent.hx

@@ -0,0 +1,969 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.peer.IPeerChannel;
+import leenkx.network.torrent.peer.WireProtocol;
+import leenkx.network.torrent.peer.RtcPeerPool;
+import leenkx.network.torrent.storage.Storage;
+import leenkx.network.torrent.storage.Storage.IStorage;
+
+class Torrent {
+	static inline var MAX_OUTSTANDING = 8;
+	static inline var META_BLOCK = 16384;
+	static inline var MAX_META_SIZE = 10000000;
+	static inline var KEEPALIVE_MS = 60000;
+
+	public var meta:MetaInfo = null;
+	public var infoHash:Bytes;
+	public var infoHashHex:String;
+	public var infoHashV2:Bytes = null;
+	public var infoHashV2Hex:String = null;
+	public var pendingWebSeeds:Array<String> = null;
+	public var magnetURI:String = null;
+	public var files:Array<TorrentFile> = [];
+	public var ready = false;
+	public var done = false;
+	public var numPeers(get, never):Int;
+	function get_numPeers():Int return Lambda.count(wires);
+
+	var listeners:Map<String, Array<Dynamic>> = [];
+	public var onPeerExtension:String -> String -> Bytes -> Void;
+
+	public var uploadedBytes:Float = 0;
+	public var stopped = false;
+	public var client:TorrentClient = null;
+	var webSeeds:Array<WebSeed> = [];
+	var lastStatT:Float = 0;
+	var lastStatDown:Float = 0;
+	var lastStatUp:Float = 0;
+	public var announcePort:Int = 0;
+	public var downloadDir:String = null;
+
+	public function getStats():{downloaded:Float, uploaded:Float, left:Float, downRate:Float, upRate:Float} {
+		var total = meta != null ? meta.totalLength : 0;
+		var downloaded = pieces != null ? Math.min(pieces.numHave * (meta.pieceLength:Float), total) : 0;
+		var now = haxe.Timer.stamp();
+		var dt = now - lastStatT;
+		var downRate:Float = 0;
+		var upRate:Float = 0;
+		if (lastStatT > 0 && dt > 0) {
+			downRate = (downloaded - lastStatDown) / dt;
+			upRate = (uploadedBytes - lastStatUp) / dt;
+			if (downRate < 0) downRate = 0;
+			if (upRate < 0) upRate = 0;
+		}
+		lastStatT = now;
+		lastStatDown = downloaded;
+		lastStatUp = uploadedBytes;
+		return {
+			downloaded: downloaded,
+			uploaded: uploadedBytes,
+			left: total - downloaded,
+			downRate: downRate,
+			upRate: upRate
+		};
+	}
+
+	var peerId:Bytes;
+	var trackers:Array<String>;
+	var storage:IStorage;
+	public var trackerObjects:Array<Dynamic> = [];
+	@:allow(leenkx.network.torrent.TorrentFile)
+	@:allow(leenkx.network.torrent.WebSeed)
+	var pieces:PieceManager = null;
+	var wires:Map<String, WireProtocol> = [];
+	var peerBitfields:Map<String, Array<Bool>> = [];
+	var outstanding:Map<String, Int> = [];
+	var pieceCursor:Map<String, Int> = [];
+	var rtcPool:RtcPeerPool = null;
+	var httpTrackers:Array<Dynamic> = [];
+	var udpTrackers:Array<Dynamic> = [];
+	var keepaliveTimer:haxe.Timer = null;
+	var destroyed = false;
+
+	var metaSize:Int = 0;
+	var metaReceived:Int = 0;
+	var metaRequested:Array<Bool> = [];
+	var metaRejects:Int = 0;
+	var metaWire:WireProtocol = null;
+
+	public function new(infoHash:Bytes, peerId:Bytes, trackers:Array<String>, ?meta:MetaInfo, ?storage:IStorage, ?downloadDir:String) {
+		TorrentClient.initMain();
+		this.infoHash = infoHash;
+		this.infoHashHex = infoHash != null ? Crypto.toHex(infoHash) : null;
+		this.peerId = peerId;
+		this.trackers = trackers;
+		this.storage = storage;
+		this.downloadDir = downloadDir;
+		if (meta != null) setMeta(meta);
+	}
+
+	public function on(event:String, cb:Dynamic):Void {
+		var l = listeners.get(event);
+		if (l == null) listeners.set(event, l = []);
+		l.push(cb);
+	}
+
+	function emit(event:String):Void {
+		var l = listeners.get(event);
+		if (l != null) for (cb in l) cb();
+	}
+
+	function emit1(event:String, v:Dynamic):Void {
+		var l = listeners.get(event);
+		if (l != null) for (cb in l) cb(v);
+	}
+
+	function setMeta(m:MetaInfo):Void {
+		meta = m;
+		if (storage == null) {
+			var sz = m.storageLength > 0 ? m.storageLength : m.totalLength;
+			#if (sys || kha_krom)
+			storage = downloadDir != null ? new FileTreeStorage(downloadDir, m.files) : new MemoryStorage(sz);
+			#else
+			storage = new MemoryStorage(sz);
+			#end
+		}
+		if (pieces == null) {
+			pieces = new PieceManager(m, storage);
+			pieces.onPieceComplete = onPieceComplete;
+			pieces.onComplete = onTorrentComplete;
+		}
+		if (m.fileHashes == null && m.files != null) {
+			m.fileHashes = [for (f in m.files) null];
+		}
+		files = [for (f in m.files) new TorrentFile(f, storage, this)];
+		infoHashV2 = m.infoHashV2;
+		infoHashV2Hex = m.infoHashV2Hex;
+		if (infoHash == null && m.infoHash != null) {
+			infoHash = m.infoHash;
+			infoHashHex = m.infoHashHex;
+		}
+		if (infoHashHex == null) infoHashHex = m.infoHashV2Hex;
+		if (m.urlList == null && pendingWebSeeds != null) {
+			m.urlList = pendingWebSeeds;
+		}
+		magnetURI = Magnet.build(m.infoHash, m.name, trackers, m.urlList, m.infoHashV2);
+		ready = true;
+		initWebSeeds();
+		emit1("metadata", m);
+		emit("ready");
+		if (!pieces.complete) {
+			for (w in wires) w.sendInterested();
+		}
+	}
+
+	public function markComplete():Void {
+		if (pieces == null) return;
+		for (i in 0...meta.numPieces) pieces.markHave(i);
+		done = true;
+	}
+
+	public function start():Void {
+		if (destroyed || keepaliveTimer != null) return;
+		stopped = false;
+		startTrackers();
+		keepaliveTimer = new haxe.Timer(KEEPALIVE_MS);
+		keepaliveTimer.run = function() {
+			for (w in wires) w.sendKeepAlive();
+			workWebSeeds();
+		};
+		workWebSeeds();
+	}
+
+	public function stop():Void {
+		if (destroyed || stopped) return;
+		stopped = true;
+		if (keepaliveTimer != null) {
+			keepaliveTimer.stop();
+			keepaliveTimer = null;
+		}
+		for (w in [for (x in wires) x]) w.close();
+		wires.clear();
+		outstanding.clear();
+		if (rtcPool != null) {
+			rtcPool.close();
+			rtcPool = null;
+		}
+		for (t in httpTrackers) t.stop();
+		for (t in udpTrackers) t.stop();
+		httpTrackers = [];
+		udpTrackers = [];
+		trackerObjects = [];
+	}
+
+	function startTrackers():Void {
+		for (url in trackers) startTracker(url);
+	}
+
+	public function addTracker(url:String):Dynamic {
+		if (url == null || url == "") return null;
+		for (t in trackers) {
+			if (t == url) return null;
+		}
+		trackers.push(url);
+		return startTracker(url);
+	}
+
+	public function setTrackers(urls:Array<String>):Void {
+		if (stopped) {
+			trackers = urls != null ? urls.copy() : [];
+			return;
+		}
+		if (rtcPool != null) {
+			rtcPool.close();
+			rtcPool = null;
+		}
+		for (t in httpTrackers) t.stop();
+		for (t in udpTrackers) t.stop();
+		httpTrackers = [];
+		udpTrackers = [];
+		trackerObjects = [];
+		trackers = urls != null ? urls.copy() : [];
+		startTrackers();
+	}
+
+	function startTracker(url:String):Dynamic {
+		var infoHashBin = TorrentInfo.toBinaryString(infoHash);
+		var peerIdBin = TorrentInfo.toBinaryString(peerId);
+		var obj:Dynamic = null;
+		if (url.indexOf("ws") == 0) {
+			if (rtcPool == null) {
+				rtcPool = new RtcPeerPool();
+				rtcPool.onPeerChannel = onRtcPeer;
+				rtcPool.statsProvider = getStats;
+				rtcPool.onError = function(e) {
+					emit1("error", e);
+				};
+			}
+			obj = rtcPool.connect(url, infoHashBin, peerIdBin);
+		}
+		#if (sys || kha_krom)
+		else if (url.indexOf("http") == 0) {
+			var t = new leenkx.network.torrent.tracker.HttpTracker(url, infoHash, peerId, announcePort > 0 ? announcePort : 6881);
+			t.statsProvider = getStats;
+			t.onPeers = onClassicPeers;
+			t.onError = function(e) {
+				emit1("error", e);
+			};
+			httpTrackers.push(t);
+			t.start();
+			obj = t;
+		}
+		#end
+		#if (sys || kha_krom)
+		else if (url.indexOf("udp") == 0) {
+			var t = new leenkx.network.torrent.tracker.UdpTracker(url, infoHash, peerId, announcePort > 0 ? announcePort : 6881);
+			t.statsProvider = getStats;
+			t.onPeers = onClassicPeers;
+			t.onError = function(e) {
+				emit1("error", e);
+			};
+			udpTrackers.push(t);
+			t.start();
+			obj = t;
+		}
+		#end
+		if (obj != null) trackerObjects.push(obj);
+		return obj;
+	}
+
+	function onRtcPeer(peerIdHex:String, ch:IPeerChannel):Void {
+		addWire("rtc:" + peerIdHex, ch);
+	}
+
+	#if (sys || kha_krom)
+	function onClassicPeers(list:Array<{host:String, port:Int}>):Void {
+		for (p in list) {
+			var key = "tcp:" + p.host + ":" + p.port;
+			if (wires.exists(key)) continue;
+			var ch = new leenkx.network.torrent.peer.TcpPeer(p.host, p.port);
+			addWire(key, ch);
+		}
+	}
+	#end
+
+	public function addIncomingPeer(key:String, ch:IPeerChannel):Void {
+		addWire(key, ch);
+	}
+
+	function addWire(key:String, ch:IPeerChannel):Void {
+		if (destroyed || stopped || wires.exists(key)) {
+			ch.close();
+			return;
+		}
+		var wire = new WireProtocol(ch, infoHash, peerId);
+		wires.set(key, wire);
+		outstanding.set(key, 0);
+		wire.metaSize = meta != null ? meta.rawInfo.length : 0;
+		wire.onHandshake = function(remotePeerId) {
+			if (ready) wire.sendBitfield(pieces.bitfield);
+		};
+		wire.onExtendedHandshake = function(hs) {
+			if (meta == null && wire.extIds.exists("ut_metadata")) {
+				requestMetadata(wire);
+			}
+			if (ready && !pieces.complete) wire.sendInterested();
+		};
+		wire.onUnchoke = function() requestBlocks(key);
+		wire.onBitfield = function(bf) {
+			peerBitfields.set(key, bitfieldToArray(bf));
+			if (ready && !pieces.complete) wire.sendInterested();
+			requestBlocks(key);
+		};
+		wire.onHave = function(index) {
+			if (meta == null || index < 0 || index >= meta.numPieces) return;
+			var bf = peerBitfields.get(key);
+			if (bf != null && index < bf.length) bf[index] = true;
+			requestBlocks(key);
+		};
+		wire.onPiece = function(index, begin, data) {
+			var n = outstanding.get(key);
+			if (n != null && n > 0) outstanding.set(key, n - 1);
+			if (pieces != null && index >= 0 && index < meta.numPieces && pieces.addBlock(index, begin, data)) {
+				broadcastHave(index);
+			}
+			requestBlocks(key);
+		};
+		wire.onRequest = function(index, begin, length) {
+			if (wire.amChoking || pieces == null || index < 0 || index >= meta.numPieces || begin < 0 || length <= 0 || begin + length > meta.pieceSize(index)) return;
+			if (!pieces.have[index]) return;
+			var data = pieces.readBlock(index, begin, length);
+			uploadedBytes += data.length;
+			wire.sendPiece(index, begin, data);
+		};
+		wire.onChoke = function() {
+			outstanding.set(key, 0);
+			if (pieces != null) pieces.clearAllRequested(key);
+		};
+		wire.onInterested = function() wire.sendUnchoke();
+		wire.onHashRequest = function(p) onHashRequest(wire, p);
+		wire.onHashes = onHashesMsg;
+		wire.onHashReject = onHashRejectMsg;
+		wire.onExtended = function(name, payload) {
+			if (name == "ut_metadata") {
+				onUtMetadata(wire, payload);
+			} else if (onPeerExtension != null) {
+				onPeerExtension(key, name, payload);
+			}
+		};
+		wire.onClose = function() {
+			wires.remove(key);
+			peerBitfields.remove(key);
+			outstanding.remove(key);
+			if (pieces != null) pieces.clearAllRequested(key);
+			if (meta == null && metaSize > 0 && metaWire == wire) {
+				resetMetaRequests();
+				metaWire = null;
+				for (k in wires.keys()) {
+					var w = wires.get(k);
+					if (w != wire && w.extIds.exists("ut_metadata")) {
+						metaWire = w;
+						sendMetaRequest(w, nextMetaPiece());
+						break;
+					}
+				}
+			}
+		};
+		wire.onError = function(e) {
+			emit1("error", "wire " + key + ": " + e);
+		};
+		wire.start(["ut_metadata", "lx_channel"]);
+		emit1("wire", wire);
+	}
+
+	static function bytesEq(a:Bytes, b:Bytes):Bool {
+		if (a == null || b == null || a.length != b.length) return false;
+		for (i in 0...a.length) if (a.get(i) != b.get(i)) return false;
+		return true;
+	}
+
+	function bitfieldToArray(bf:Bytes):Array<Bool> {
+		var n = meta != null ? meta.numPieces : bf.length * 8;
+		var out:Array<Bool> = [];
+		for (i in 0...n) {
+			var byte = i >> 3;
+			out.push(byte < bf.length && (bf.get(byte) & (0x80 >> (i & 7))) != 0);
+		}
+		return out;
+	}
+
+	function tryRequest(wire:WireProtocol, key:String, bf:Array<Bool>, i:Int):Bool {
+		if (pieces.have[i] || i >= bf.length || !bf[i]) return false;
+		if (meta.pieces == null && meta.fileHashes != null) {
+			var fi = meta.fileForPiece(i);
+			if (fi >= 0 && meta.fileHashes[fi] == null) {
+				requestPieceLayer(wire, fi);
+				return false;
+			}
+		}
+		var needed = pieces.neededBlocks(key, i);
+		if (needed.length == 0) return false;
+		var b = needed[0];
+		wire.sendRequest(i, b.begin, b.length);
+		pieces.markRequested(key, i, b.begin);
+		return true;
+	}
+
+	function requestBlocks(key:String):Void {
+		if (pieces == null || pieces.complete) return;
+		var expired = pieces.expireRequests(60);
+		for (pk in expired.keys()) {
+			var c = outstanding.get(pk);
+			if (c != null) {
+				c -= expired.get(pk);
+				outstanding.set(pk, c < 0 ? 0 : c);
+			}
+		}
+		var wire = wires.get(key);
+		var bf = peerBitfields.get(key);
+		if (wire == null || bf == null || wire.peerChoking) return;
+		var n = outstanding.get(key);
+		var cursor = pieceCursor.get(key);
+		if (cursor == null) cursor = 0;
+		var numPieces = meta.numPieces;
+		while (n < MAX_OUTSTANDING) {
+			var sent = false;
+			for (sel in pieces.selections) {
+				for (i in sel.start...sel.end + 1) {
+					if (tryRequest(wire, key, bf, i)) {
+						n++;
+						sent = true;
+						break;
+					}
+				}
+				if (sent) break;
+			}
+			if (!sent) {
+				for (j in 0...numPieces) {
+					var i = (cursor + j) % numPieces;
+					if (tryRequest(wire, key, bf, i)) {
+						n++;
+						sent = true;
+						pieceCursor.set(key, (i + 1) % numPieces);
+						break;
+					}
+				}
+			}
+			if (!sent) break;
+		}
+		outstanding.set(key, n);
+		workWebSeeds();
+	}
+
+	public function select(start:Int, end:Int, ?priority:Int, ?notify:Void -> Void):Void {
+		if (pieces == null) return;
+		pieces.select(start, end, priority, notify);
+		for (key in wires.keys()) requestBlocks(key);
+		workWebSeeds();
+	}
+
+	public function deselect(start:Int, end:Int, ?priority:Int):Void {
+		if (pieces == null) return;
+		pieces.deselect(start, end, priority);
+	}
+
+	public function critical(start:Int, end:Int):Void {
+		select(start, end, 0x7fffffff);
+	}
+
+	public function addPeer(peer:String):Bool {
+		#if (sys || kha_krom)
+		if (peer == null) return false;
+		var i = peer.lastIndexOf(":");
+		if (i < 0) return false;
+		var host = peer.substr(0, i);
+		var port = Std.parseInt(peer.substr(i + 1));
+		if (host == "" || port == null) return false;
+		var key = "tcp:" + host + ":" + port;
+		if (wires.exists(key)) return false;
+		addWire(key, new leenkx.network.torrent.peer.TcpPeer(host, port));
+		return true;
+		#else
+		return false;
+		#end
+	}
+
+	function broadcastHave(index:Int):Void {
+		for (w in wires) w.sendHave(index);
+	}
+
+	public function sendExtension(key:String, name:String, payload:Bytes):Void {
+		if (key != null) {
+			var w = wires.get(key);
+			if (w != null) w.sendExtended(name, payload);
+			return;
+		}
+		for (w in wires) w.sendExtended(name, payload);
+	}
+
+	function onPieceComplete(index:Int):Void {
+		emit1("piece", index);
+	}
+
+	var hashReqNext:Map<Int, Int> = [];
+	var hashReqTime:Map<Int, Float> = [];
+	var pendingLayers:Map<Int, {arr:Array<Bytes>, got:Int}> = [];
+
+	function pieceLayerBase():Int {
+		return Std.int(Math.log(meta.pieceLength / 16384) / Math.log(2));
+	}
+
+	function requestPieceLayer(wire:WireProtocol, fi:Int):Void {
+		var f = meta.files[fi];
+		var root = f.piecesRoot;
+		if (root == null || f.length <= 0) return;
+		var np = Std.int(Math.ceil(f.length / meta.pieceLength));
+		var sent = hashReqNext.exists(fi) ? hashReqNext.get(fi) : 0;
+		if (sent >= np) {
+			var t = hashReqTime.exists(fi) ? hashReqTime.get(fi) : 0;
+			if (haxe.Timer.stamp() - t < 60) return;
+			sent = 0;
+		}
+		var chunk = np - sent;
+		if (chunk > 512) chunk = 512;
+		var len = 2;
+		while (len < chunk) len <<= 1;
+		wire.sendHashRequest(root, pieceLayerBase(), sent, len, 0);
+		hashReqNext.set(fi, sent + len);
+		hashReqTime.set(fi, haxe.Timer.stamp());
+	}
+
+	function onHashesMsg(payload:Bytes):Void {
+		if (meta == null || meta.fileHashes == null) return;
+		if (payload.length < 80) return;
+		var root = payload.sub(0, 32);
+		var base = WireProtocol.readU32(payload, 32);
+		var index = WireProtocol.readU32(payload, 36);
+		var length = WireProtocol.readU32(payload, 40);
+		var proofs = WireProtocol.readU32(payload, 44);
+		if (base != pieceLayerBase()) return;
+		var count = Std.int((payload.length - 48) / 32);
+		if (count <= 0) return;
+		for (fi in 0...meta.files.length) {
+			var f = meta.files[fi];
+			if (f.piecesRoot == null || !bytesEq(root, f.piecesRoot)) continue;
+			if (meta.fileHashes[fi] != null) return;
+			var np = Std.int(Math.ceil(f.length / meta.pieceLength));
+			var pl = pendingLayers.get(fi);
+			if (pl == null) {
+				pl = {arr: [for (i in 0...np) null], got: 0};
+				pendingLayers.set(fi, pl);
+			}
+			var n = count < length ? count : length;
+			for (j in 0...n) {
+				var slot = index + j;
+				if (slot < np && pl.arr[slot] == null) {
+					pl.arr[slot] = payload.sub(48 + j * 32, 32);
+					pl.got++;
+				}
+			}
+			if (pl.got >= np) {
+				pendingLayers.remove(fi);
+				if (meta.verifyLayer(fi, pl.arr)) {
+					meta.fileHashes[fi] = pl.arr;
+					pieces.flushPendingV2(fi);
+					for (k in wires.keys()) requestBlocks(k);
+				} else {
+					trace('[Torrent] v2 layer REJECTED fi=' + fi);
+					hashReqNext.remove(fi);
+				}
+			}
+			return;
+		}
+	}
+
+	function onHashRejectMsg(payload:Bytes):Void {
+		if (meta == null) return;
+		var root = payload.sub(0, 32);
+		for (fi in 0...meta.files.length) {
+			var f = meta.files[fi];
+			if (f.piecesRoot != null && bytesEq(root, f.piecesRoot)) {
+				hashReqNext.remove(fi);
+				pendingLayers.remove(fi);
+				return;
+			}
+		}
+	}
+
+	var layerCache:Map<Int, Array<Bytes>> = [];
+	var treeCache:Map<Int, Array<Array<Bytes>>> = [];
+
+	function hashLayerForFile(fi:Int):Array<Bytes> {
+		var l = layerCache.get(fi);
+		if (l != null) return l;
+		var f = meta.files[fi];
+		var np = Std.int(Math.ceil(f.length / meta.pieceLength));
+		l = [];
+		for (p in 0...np) {
+			var size = Std.int(Math.min(meta.pieceLength, f.length - p * meta.pieceLength));
+			l.push(meta.pieceRootV2(storage.read(f.offset + p * meta.pieceLength, size)));
+		}
+		layerCache.set(fi, l);
+		return l;
+	}
+
+	function treeLevelsFor(fi:Int):Array<Array<Bytes>> {
+		var t = treeCache.get(fi);
+		if (t != null) return t;
+		var level = hashLayerForFile(fi);
+		t = [level];
+		var depth = 0;
+		while (level.length > 1) {
+			var zero = MetaInfo.layerZero(pieceLayerBase() + depth + 1);
+			var next:Array<Bytes> = [];
+			var i = 0;
+			while (i < level.length) {
+				var b = i + 1 < level.length ? level[i + 1] : zero;
+				next.push(MetaInfo.hashPair(level[i], b));
+				i += 2;
+			}
+			t.push(next);
+			level = next;
+			depth++;
+		}
+		if (t.length > 1) t.pop();
+		treeCache.set(fi, t);
+		return t;
+	}
+
+	function onHashRequest(wire:WireProtocol, payload:Bytes):Void {
+		var root = payload.sub(0, 32);
+		var base = WireProtocol.readU32(payload, 32);
+		var index = WireProtocol.readU32(payload, 36);
+		var length = WireProtocol.readU32(payload, 40);
+		var proofs = WireProtocol.readU32(payload, 44);
+		var reject = function() wire.sendHashReject(root, base,
+			index, length, proofs);
+		if (meta == null || meta.pieces != null || storage == null
+				|| length < 2 || length > 512
+				|| (length & (length - 1)) != 0
+				|| (length > 0 && index % length != 0)) {
+			reject();
+			return;
+		}
+		var pieceBase = pieceLayerBase();
+		if (base != pieceBase) {
+			reject();
+			return;
+		}
+		for (fi in 0...meta.files.length) {
+			var f = meta.files[fi];
+			if (f.piecesRoot == null || f.length <= 0
+					|| !bytesEq(root, f.piecesRoot)) continue;
+			var layer = hashLayerForFile(fi);
+			if (index >= layer.length) {
+				reject();
+				return;
+			}
+			var n = layer.length - index;
+			if (n > length) n = length;
+			var buf = new haxe.io.BytesBuffer();
+			for (i in index...index + n) {
+				buf.addBytes(layer[i], 0, 32);
+			}
+			var lg = 0;
+			while ((1 << lg) < length) lg++;
+			var tree = treeLevelsFor(fi);
+			for (p in 0...(proofs - lg + 1)) {
+				var lvl = lg + p;
+				if (lvl >= tree.length) break;
+				var sib = (index >> lvl) ^ 1;
+				var h = sib < tree[lvl].length
+					? tree[lvl][sib]
+					: MetaInfo.layerZero(pieceBase + lvl);
+				buf.addBytes(h, 0, 32);
+			}
+			wire.sendHashes(root, base, index, n,
+				proofs, buf.getBytes());
+			return;
+		}
+		reject();
+	}
+
+	function onTorrentComplete():Void {
+		done = true;
+		storage.flush();
+		#if sys
+		if (downloadDir != null
+				&& Std.isOfType(storage, MemoryStorage)) {
+			writeToDisk(downloadDir);
+		}
+		#end
+		for (t in trackerObjects) {
+			var f:Dynamic = Reflect.field(t, "announceEvent");
+			if (f != null) {
+				try {
+					Reflect.callMethod(t, f, ["completed"]);
+				} catch(e:Dynamic) {}
+			}
+		}
+		emit("done");
+		if (client != null && client.onTorrentDone != null) {
+			client.onTorrentDone(this);
+		}
+	}
+
+	#if sys
+	function writeToDisk(dir:String):Void {
+		for (f in files) {
+			var p = dir + "/" + MetaInfo.sanitizePath(f.path);
+			try {
+				var i = Std.int(Math.max(p.lastIndexOf("/"),
+					p.lastIndexOf("\\")));
+				if (i > 0) {
+					var d = p.substr(0, i);
+					if (!sys.FileSystem.exists(d)) {
+						sys.FileSystem.createDirectory(d);
+					}
+				}
+				var out = sys.io.File.write(p, true);
+				out.write(f.getBytes());
+				out.close();
+			} catch(e:Dynamic) {
+				emit1("error", "write " + p + ": " + Std.string(e));
+			}
+		}
+	}
+	#end
+
+	function initWebSeeds():Void {
+		if (meta == null || meta.urlList == null) return;
+		for (u in meta.urlList) addWebSeed(u);
+	}
+
+	public function addWebSeed(url:String):Void {
+		if (url == null || url == "") return;
+		for (w in webSeeds) if (w.url == url) return;
+		var ws = new WebSeed(url, this);
+		var self = this;
+		ws.onError = function(e) {
+			self.emit1("error", "webseed " + url + ": " + e);
+			haxe.Timer.delay(self.workWebSeeds, 10000);
+		};
+		ws.onDone = workWebSeeds;
+		webSeeds.push(ws);
+		ws.work();
+	}
+
+	function workWebSeeds():Void {
+		if (destroyed || stopped || done) return;
+		for (w in webSeeds) w.work();
+	}
+
+
+	function requestMetadata(wire:WireProtocol):Void {
+		if (metaSize > 0) {
+			var alive = false;
+			for (w in wires) {
+				if (w == metaWire) alive = true;
+			}
+			if (!alive) {
+				resetMetaRequests();
+				metaWire = wire;
+				sendMetaRequest(wire, nextMetaPiece());
+			}
+			return;
+		}
+		var hs = wire.peerExtendedHandshake;
+		metaWire = wire;
+		var size:Dynamic = Reflect.field(hs, "metadata_size");
+		if (size == null) return;
+		var sizeF = Std.parseFloat(Std.string(size));
+		if (Math.isNaN(sizeF) || sizeF <= 0 || sizeF > MAX_META_SIZE) {
+			emit1("error", "invalid metadata_size " + size);
+			return;
+		}
+		metaSize = Std.int(sizeF);
+		metaRejects = 0;
+		var count = Std.int(Math.ceil(metaSize / META_BLOCK));
+		metaChunks.clear();
+		metaReceived = 0;
+		metaRequested = [for (i in 0...count) false];
+		sendMetaRequest(wire, 0);
+	}
+	
+	function resetMetaRequests():Void {
+		for (i in 0...metaRequested.length) {
+			if (metaRequested[i] && !metaChunks.exists(i)) {
+				metaRequested[i] = false;
+			}
+		}
+	}
+	
+	function sendMetaRequest(wire:WireProtocol, piece:Int):Void {
+		if (piece < 0 || piece >= metaRequested.length
+			|| metaRequested[piece]) return;
+		metaRequested[piece] = true;
+		var req = Bencode.encode({msg_type: 0, piece: piece});
+		wire.sendExtended("ut_metadata", req);
+	}
+
+	function onUtMetadata(wire:WireProtocol, payload:Bytes):Void {
+		var headerEnd = findDictEnd(payload);
+		if (headerEnd < 0) return;
+		var header:Dynamic;
+		try {
+			header = Bencode.decode(payload.sub(0, headerEnd));
+		} catch(e:Dynamic) {
+			return;
+		}
+		var msgType = Std.int(metaField(header, "msg_type"));
+		var piece = Std.int(metaField(header, "piece"));
+
+		if (msgType == 0) {
+			if (meta == null || piece < 0) {
+				var rej = Bencode.encode({msg_type: 2, piece: piece});
+				wire.sendExtended("ut_metadata", rej);
+				return;
+			}
+			var startF = piece * (META_BLOCK : Float);
+			if (startF >= meta.rawInfo.length) return;
+			var start = Std.int(startF);
+			var len = meta.rawInfo.length - start;
+			if (len > META_BLOCK) len = META_BLOCK;
+			var head = Bencode.encode({
+				msg_type: 1, piece: piece,
+				total_size: meta.rawInfo.length
+			});
+			var out = new haxe.io.BytesBuffer();
+			out.addBytes(head, 0, head.length);
+			out.addBytes(meta.rawInfo, start, len);
+			wire.sendExtended("ut_metadata", out.getBytes());
+		} else if (msgType == 1) {
+			var total = metaField(header, "total_size");
+			if (Math.isNaN(total) || total <= 0 || total > MAX_META_SIZE) {
+				return;
+			}
+			var totalI = Std.int(total);
+			if (metaSize == 0 || totalI != metaSize) {
+				metaSize = totalI;
+				metaRejects = 0;
+				metaChunks.clear();
+				metaReceived = 0;
+				metaRequested = [
+					for (i in 0...Std.int(Math.ceil(totalI / META_BLOCK)))
+						false
+				];
+			}
+			if (piece < 0 || piece >= metaRequested.length) return;
+			var expected = metaSize - piece * META_BLOCK;
+			if (expected > META_BLOCK) expected = META_BLOCK;
+			var chunk = payload.sub(headerEnd, payload.length - headerEnd);
+			if (chunk.length > expected) {
+				chunk = chunk.sub(0, expected);
+			}
+			appendMetaChunk(piece, chunk);
+			if (metaReceived >= metaSize) finishMetadata(wire);
+			else sendMetaRequest(wire, nextMetaPiece());
+		} else if (msgType == 2) {
+			if (piece >= 0 && piece < metaRequested.length) {
+				metaRequested[piece] = false;
+				metaRejects++;
+				if (metaRejects > 2 * metaRequested.length) {
+					metaSize = 0;
+					metaChunks.clear();
+					emit1("error", "ut_metadata rejected by peers");
+				} else {
+					for (k in wires.keys()) {
+						var w = wires.get(k);
+						if (w != wire
+							&& w.extIds.exists("ut_metadata")) {
+							sendMetaRequest(w, piece);
+							break;
+						}
+					}
+				}
+			}
+		}
+	}
+
+	var metaChunks:Map<Int, Bytes> = [];
+
+	function appendMetaChunk(piece:Int, chunk:Bytes):Void {
+		if (!metaChunks.exists(piece)) {
+			metaChunks.set(piece, chunk);
+			metaReceived += chunk.length;
+		}
+	}
+
+	function nextMetaPiece():Int {
+		for (i in 0...metaRequested.length) {
+			if (!metaRequested[i]) return i;
+		}
+		return -1;
+	}
+
+	function finishMetadata(wire:WireProtocol):Void {
+		var buf = new haxe.io.BytesBuffer();
+		var count = Std.int(Math.ceil(metaSize / META_BLOCK));
+		for (i in 0...count) {
+			var c = metaChunks.get(i);
+			if (c != null) buf.addBytes(c, 0, c.length);
+		}
+		var raw = buf.getBytes().sub(0, metaSize);
+		var okMeta = false;
+		var v1Hash:Bytes = null;
+		var sha1 = haxe.crypto.Sha1.make(raw);
+		if (infoHash != null && bytesEq(sha1, infoHash)) {
+			okMeta = true;
+			v1Hash = infoHash;
+		}
+		if (!okMeta) {
+			var sha2 = haxe.crypto.Sha256.make(raw);
+			if (infoHashV2 != null && bytesEq(sha2, infoHashV2)) {
+				okMeta = true;
+			} else if (infoHash != null
+					&& bytesEq(sha2.sub(0, 20), infoHash)) {
+				okMeta = true; 
+			}
+		}
+		if (!okMeta) {
+			emit1("error", "ut_metadata hash mismatch");
+			metaRejects += metaRequested.length;
+			metaChunks.clear();
+			metaReceived = 0;
+			if (metaRejects > 2 * metaRequested.length) {
+				metaSize = 0;
+				return;
+			}
+			for (i in 0...metaRequested.length) metaRequested[i] = false;
+			sendMetaRequest(wire, nextMetaPiece());
+			return;
+		}
+		setMeta(MetaInfo.fromInfoDict(raw, v1Hash, trackers));
+		metaChunks.clear();
+		for (key in wires.keys()) requestBlocks(key);
+	}
+
+	static function metaField(d:Dynamic, name:String):Float {
+		var v = Reflect.field(d, name);
+		if (v == null) return 0;
+		return Std.parseFloat(Std.string(v));
+	}
+
+	static function findDictEnd(data:Bytes):Int {
+		if (data.length == 0 || data.get(0) != 'd'.code) return -1;
+		var end = MetaInfo.skipValue(data, 0);
+		return end <= data.length ? end : -1;
+	}
+
+	public function destroy():Void {
+		if (destroyed) return;
+		destroyed = true;
+		if (keepaliveTimer != null) {
+			keepaliveTimer.stop();
+			keepaliveTimer = null;
+		}
+		if (rtcPool != null) rtcPool.close();
+		for (t in httpTrackers) t.stop();
+		for (t in udpTrackers) t.stop();
+		for (w in [for (x in wires) x]) w.close();
+		wires.clear();
+		if (storage != null) storage.close();
+	}
+
+	public function deleteData():Void {
+		if (storage != null) storage.deleteData();
+	}
+}

leenkx/Sources/leenkx/network/torrent/TorrentClient.hx

@@ -0,0 +1,407 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.storage.Storage;
+import leenkx.network.torrent.storage.Storage.IStorage;
+
+class TorrentClient {
+	public static var defaultTrackers:Array<String> = [];
+
+	public static var defaultDownloadDir:String = null;
+	public var downloadDir:String = null;
+
+	#if sys
+	static var mainQueue:sys.thread.Deque<Void -> Void> = null;
+	static var mainMutex:sys.thread.Mutex = null;
+	static var mainTimer:haxe.Timer = null;
+	#end
+
+	public static function initMain():Void {
+		#if sys
+		if (mainQueue != null) return;
+		mainQueue = new sys.thread.Deque();
+		mainMutex = new sys.thread.Mutex();
+		#end
+	}
+
+	public static function postMain(f:Void -> Void):Void {
+		#if sys
+		if (mainQueue == null) {
+			f();
+			return;
+		}
+		mainQueue.add(f);
+		mainMutex.acquire();
+		if (mainTimer == null) {
+			mainTimer = new haxe.Timer(5);
+			mainTimer.run = drainMain;
+		}
+		mainMutex.release();
+		#else
+		f();
+		#end
+	}
+
+	#if sys
+	static function drainMain():Void {
+		while (true) {
+			mainMutex.acquire();
+			var f = mainQueue.pop(false);
+			if (f == null) {
+				mainTimer.stop();
+				mainTimer = null;
+				mainMutex.release();
+				return;
+			}
+			mainMutex.release();
+			try {
+				f();
+			} catch(e:Dynamic) {}
+		}
+	}
+	#end
+
+	public var torrents:Map<String, Torrent> = [];
+	public var peerId:Bytes;
+
+	public var onError:String -> Void;
+	public var onTorrentAdded:Torrent -> Void;
+	public var onTorrentDone:Torrent -> Void;
+
+	public var listenPort:Int = 0;
+	var tcpListener:Dynamic = null;
+
+	public function new() {
+		initMain();
+		peerId = TorrentInfo.peerId();
+	}
+
+	public function listen(port:Int):Void {
+		#if (sys || kha_krom)
+		listenPort = port;
+		tcpListener = new leenkx.network.torrent.peer.TcpListener(port);
+		tcpListener.onPeer = function(ch, hex, key) {
+			var t = torrents.get(hex);
+			if (t == null) {
+				for (cand in torrents) {
+					if (cand.infoHashHex == hex) {
+						t = cand;
+						break;
+					}
+				}
+			}
+			if (t == null) {
+				ch.close();
+				return;
+			}
+			t.addIncomingPeer(key, ch);
+		};
+		tcpListener.onError = function(e) {
+			if (onError != null) onError(e);
+		};
+		tcpListener.start();
+		#end
+	}
+
+	public function add(torrentId:Dynamic, ?opts:Dynamic, ?cb:Torrent -> Void):Torrent {
+		if (opts != null && Reflect.isFunction(opts)) {
+			cb = opts;
+			opts = null;
+		}
+		var meta:MetaInfo = null;
+		var infoHash:Bytes = null;
+		var infoHashV2:Bytes = null;
+		var webSeeds:Array<String> = null;
+		var trackers = defaultTrackers.copy();
+		var name:String = null;
+
+		if (Std.isOfType(torrentId, Bytes)) {
+			meta = MetaInfo.fromTorrentBytes(torrentId);
+			infoHash = meta.infoHash;
+			infoHashV2 = meta.infoHashV2;
+			mergeTrackers(trackers, meta.announce);
+		} else {
+			var id = Std.string(torrentId);
+			var magnet = Magnet.parse(id);
+			if (magnet != null) {
+				infoHash = magnet.infoHash;
+				infoHashV2 = magnet.infoHashV2;
+				name = magnet.name;
+				webSeeds = magnet.webSeeds;
+				mergeTrackers(trackers, magnet.trackers);
+			} else if (id.length == 40 || id.length == 64) {
+				var bytes:Bytes = null;
+				try {
+					bytes = Bytes.ofHex(id);
+				} catch(e:Dynamic) {}
+				if (bytes == null) {
+					if (onError != null) {
+						onError("unrecognized torrent id: " + id);
+					}
+					return null;
+				}
+				if (bytes.length == 20) infoHash = bytes;
+				else infoHashV2 = bytes;
+			} else {
+				try {
+					meta = MetaInfo.fromTorrentBytes(Bytes.ofString(id));
+					infoHash = meta.infoHash;
+					infoHashV2 = meta.infoHashV2;
+					mergeTrackers(trackers, meta.announce);
+				} catch(e:Dynamic) {
+					if (onError != null) {
+						onError("unrecognized torrent id: " + id);
+					}
+					return null;
+				}
+			}
+		}
+
+		if (opts != null) {
+			var ann:Array<String> = Reflect.field(opts, "announce");
+			if (Reflect.field(opts, "announceOverride") == true) {
+				trackers = ann != null ? ann : [];
+			} else {
+				mergeTrackers(trackers, ann);
+			}
+		}
+
+		var key = infoHash != null ? Crypto.toHex(infoHash)
+			: (infoHashV2 != null ? "v2:" + Crypto.toHex(infoHashV2)
+			: null);
+		if (key == null) {
+			if (onError != null) onError("unrecognized torrent id");
+			return null;
+		}
+		var existing = torrents.get(key);
+		if (existing != null) {
+			if (cb != null) cb(existing);
+			return existing;
+		}
+
+		var wireHash = infoHash != null ? infoHash
+			: infoHashV2.sub(0, 20);
+		var t = new Torrent(wireHash, peerId, trackers, meta, null,
+			downloadDir != null ? downloadDir : defaultDownloadDir);
+		t.announcePort = listenPort > 0 ? listenPort
+			: 49152 + Std.random(16384);
+		t.infoHashV2 = infoHashV2;
+		if (infoHashV2 != null) {
+			t.infoHashV2Hex = Crypto.toHex(infoHashV2);
+		}
+		t.pendingWebSeeds = webSeeds;
+		if (name != null && meta == null) t.magnetURI = Magnet.build(
+			infoHash, name, trackers, webSeeds, infoHashV2);
+		t.on("error", function(e) {
+			if (onError != null) onError(e);
+		});
+		t.client = this;
+		torrents.set(key, t);
+		t.start();
+		if (onTorrentAdded != null) onTorrentAdded(t);
+		if (cb != null) cb(t);
+		return t;
+	}
+
+	public function seed(data:Dynamic, ?opts:Dynamic, ?cb:Torrent -> Void):Torrent {
+		if (opts != null && Reflect.isFunction(opts)) {
+			cb = opts;
+			opts = null;
+		}
+		var pair = buildPair(data, opts);
+		return seedMeta(pair.meta, pair.files, opts, cb);
+	}
+
+	public static function buildMeta(data:Dynamic, ?opts:Dynamic):MetaInfo {
+		return buildPair(data, opts).meta;
+	}
+
+	static function buildPair(data:Dynamic, ?opts:Dynamic):{
+			meta:MetaInfo, files:Array<{path:String, data:Bytes}>} {
+		var name = "leenkx";
+		var trackers = defaultTrackers.copy();
+		if (opts != null) {
+			var n = Reflect.field(opts, "name");
+			if (n != null) name = Std.string(n);
+			var ann:Array<String> = Reflect.field(opts, "announce");
+			mergeTrackers(trackers, ann);
+		}
+
+		var files:Array<{path:String, data:Bytes}> = [];
+		if (Std.isOfType(data, Bytes)) {
+			files.push({path: name, data: data});
+		} else if (Std.isOfType(data, Array)) {
+			for (f in (data:Array<Dynamic>)) {
+				var p = Reflect.field(f, "path");
+				var d:Bytes = Reflect.field(f, "data");
+				if (d == null && Reflect.field(f, "content") != null) {
+					d = Reflect.field(f, "content");
+				}
+				if (p != null && d != null) {
+					files.push({path: Std.string(p), data: d});
+				}
+			}
+		} else {
+			files.push({path: name, data: Bytes.ofString(Std.string(data))});
+		}
+
+		return {meta: MetaInfo.create(name, files, trackers, opts), files: files};
+	}
+
+	public static function readFolder(path:String, ?base:String):Array<{path:String, data:Bytes}> {
+		#if sys
+		var root = path;
+		while (root.length > 0 && (StringTools.endsWith(root, "/")
+				|| StringTools.endsWith(root, "\\"))) {
+			root = root.substr(0, root.length - 1);
+		}
+		if (base == null) {
+			var i = Std.int(Math.max(root.lastIndexOf("/"), root.lastIndexOf("\\")));
+			base = i >= 0 ? root.substr(i + 1) : root;
+		}
+		var files:Array<{path:String, data:Bytes}> = [];
+		readFolderInto(root, base, files);
+		return files;
+		#else
+		throw "readFolder requires a sys target";
+		#end
+	}
+
+	#if sys
+	static function readFolderInto(dir:String, prefix:String, files:Array<{path:String, data:Bytes}>):Void {
+		for (entry in sys.FileSystem.readDirectory(dir)) {
+			var p = dir + "/" + entry;
+			var rel = prefix + "/" + entry;
+			if (sys.FileSystem.isDirectory(p)) {
+				readFolderInto(p, rel, files);
+			} else {
+				files.push({path: rel, data: sys.io.File.getBytes(p)});
+			}
+		}
+	}
+	#end
+
+	public function seedMeta(meta:MetaInfo, files:Array<{path:String, data:Bytes}>, ?opts:Dynamic, ?cb:Torrent -> Void):Torrent {
+		var trackers = meta.announce.copy();
+		if (opts != null) {
+			var ann:Array<String> = Reflect.field(opts, "announce");
+			mergeTrackers(trackers, ann);
+		}
+		var ms = new MemoryStorage(meta.storageLength > 0
+			? meta.storageLength : meta.totalLength);
+		for (i in 0...files.length) {
+			ms.write(meta.files[i].offset, files[i].data);
+		}
+		var storage:IStorage = ms;
+
+		var wireHash = meta.infoHash != null ? meta.infoHash
+			: meta.infoHashV2.sub(0, 20);
+		var t = new Torrent(wireHash, peerId, trackers, meta, storage);
+		t.announcePort = listenPort > 0 ? listenPort
+			: 49152 + Std.random(16384);
+		t.markComplete();
+		t.on("error", function(e) {
+			if (onError != null) onError(e);
+		});
+		t.client = this;
+		torrents.set(meta.infoHashHex != null ? meta.infoHashHex
+			: "v2:" + meta.infoHashV2Hex, t);
+		t.start();
+		if (onTorrentAdded != null) onTorrentAdded(t);
+		if (onTorrentDone != null) onTorrentDone(t);
+		if (cb != null) cb(t);
+		return t;
+	}
+
+	public function get(id:Dynamic):Torrent {
+		if (Std.isOfType(id, Torrent)) return id;
+		if (id == null) return null;
+		var hex = Std.string(id);
+		if (StringTools.startsWith(hex, "v2:")) {
+			hex = hex.substr(3);
+		}
+		var t = torrents.get(hex);
+		if (t == null) t = torrents.get("v2:" + hex);
+		if (t == null) {
+			for (f in torrents) {
+				if (f.infoHashHex == hex || f.infoHashV2Hex == hex || (f.infoHash != null && Crypto.toHex(f.infoHash) == hex)) {
+					t = f;
+					break;
+				}
+			}
+		}
+		return t;
+	}
+
+	public static function torrentIdFor(v:Dynamic):Dynamic {
+		if (v == null) return null;
+		if (Std.isOfType(v, haxe.io.Bytes)) return v;
+		var s = Std.string(v);
+		if (s.indexOf("magnet:") == 0) return s;
+		if (s.indexOf("v2:") == 0) {
+			var h = s.substr(3);
+			return h.length == 64 ? "magnet:?xt=urn:btmh:1220" + h : s;
+		}
+		switch (s.length) {
+			case 40 | 32:
+				return "magnet:?xt=urn:btih:" + s;
+			case 64:
+				return "magnet:?xt=urn:btmh:1220" + s;
+			case 68:
+				return "magnet:?xt=urn:btmh:" + s;
+			default:
+				return s;
+		}
+	}
+
+	public static function trackerUrls(v:Dynamic):Array<String> {
+		if (v == null) return null;
+		var items:Array<Dynamic> = Std.isOfType(v, Array)
+			? (v:Array<Dynamic>) : [v];
+		var out:Array<String> = [];
+		for (item in items) {
+			var u:Dynamic = null;
+			if (!Std.isOfType(item, String)) {
+				try {
+					u = Reflect.field(item, "url");
+				} catch(e:Dynamic) {}
+			}
+			var s = u != null ? Std.string(u) : Std.string(item);
+			if (s != "" && s != "null") out.push(s);
+		}
+		return out.length > 0 ? out : null;
+	}
+
+	public function remove(infoHashHex:String, ?deleteData:Bool):Void {
+		var t = get(infoHashHex);
+		if (t != null) {
+			t.destroy();
+			if (deleteData) t.deleteData();
+			var key:String = null;
+			for (k in torrents.keys()) {
+				if (torrents.get(k) == t) { key = k; break; }
+			}
+			if (key != null) torrents.remove(key);
+		}
+	}
+
+	public static function mergeTrackers(trackers:Array<String>, urls:Array<String>):Void {
+		if (urls == null) return;
+		for (u in urls) {
+			if (u != null && Lambda.indexOf(trackers, u) < 0) {
+				trackers.push(u);
+			}
+		}
+	}
+
+	public function destroy():Void {
+		for (t in torrents) t.destroy();
+		torrents.clear();
+		#if (sys || kha_krom)
+		if (tcpListener != null) {
+			tcpListener.stop();
+			tcpListener = null;
+		}
+		#end
+	}
+}

leenkx/Sources/leenkx/network/torrent/TorrentFile.hx

@@ -0,0 +1,102 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.MetaInfo.TorrentFileEntry;
+import leenkx.network.torrent.storage.Storage.IStorage;
+
+class TorrentFile {
+	public var name:String;
+	public var path:String;
+	public var length:Int;
+	public var offset:Int;
+
+	var storage:IStorage;
+	public var torrent:Torrent;
+
+	public function new(entry:TorrentFileEntry, storage:IStorage, ?torrent:Torrent) {
+		this.path = entry.path;
+		this.name = entry.path.split("/").pop();
+		this.length = entry.length;
+		this.offset = entry.offset;
+		this.storage = storage;
+		this.torrent = torrent;
+	}
+
+	public var downloaded(get, never):Float;
+	function get_downloaded():Float {
+		if (torrent == null || torrent.pieces == null) return 0;
+		var pl = torrent.meta.pieceLength;
+		return Math.min(havePieces() * (pl:Float), length);
+	}
+
+	public var progress(get, never):Float;
+	function get_progress():Float {
+		return length > 0 ? downloaded / length : 0;
+	}
+
+	function havePieces():Int {
+		var pl = torrent.meta.pieceLength;
+		var first = Std.int(offset / pl);
+		var last = length > 0
+			? Std.int((offset + length - 1) / pl) : first;
+		var n = 0;
+		for (i in first...last + 1) {
+			if (torrent.pieces.have[i]) n++;
+		}
+		return n;
+	}
+
+	public function select(?priority:Int):Void {
+		if (torrent == null) return;
+		torrent.select(offset, offset + length - 1, priority);
+	}
+
+	public function deselect(?priority:Int):Void {
+		if (torrent == null) return;
+		torrent.deselect(offset, offset + length - 1, priority);
+	}
+
+	public function critical():Void {
+		if (torrent == null) return;
+		torrent.critical(offset, offset + length - 1);
+	}
+
+	public var type(get, never):String;
+	function get_type():String {
+		var i = name != null ? name.lastIndexOf(".") : -1;
+		var ext = i >= 0 ? name.substr(i + 1).toLowerCase() : "";
+		return switch (ext) {
+			case "mp4" | "m4v": "video/mp4";
+			case "webm": "video/webm";
+			case "mkv": "video/x-matroska";
+			case "mov": "video/quicktime";
+			case "avi": "video/x-msvideo";
+			case "mp3": "audio/mpeg";
+			case "ogg": "audio/ogg";
+			case "ogv": "video/ogg";
+			case "flac": "audio/flac";
+			case "wav": "audio/wav";
+			case "aac": "audio/aac";
+			case "jpg" | "jpeg": "image/jpeg";
+			case "png": "image/png";
+			case "gif": "image/gif";
+			case "webp": "image/webp";
+			case "svg": "image/svg+xml";
+			case "txt" | "log" | "md": "text/plain";
+			case "html" | "htm": "text/html";
+			case "css": "text/css";
+			case "json": "application/json";
+			case "pdf": "application/pdf";
+			case "zip": "application/zip";
+			default: "application/octet-stream";
+		}
+	}
+
+	public function getBytes():Bytes {
+		return storage.read(offset, length);
+	}
+
+	public function toString():String {
+		return getBytes().toString();
+	}
+}

leenkx/Sources/leenkx/network/torrent/TorrentInfo.hx

@@ -0,0 +1,72 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+class TorrentInfo {
+
+	public static inline var PEERID_PREFIX = "-LX0001-";
+	public static inline var PEERID_LENGTH = 20;
+	public static inline var HASH_LENGTH = 20;
+	public static inline var MIN_PIECE_LENGTH = 16384;
+
+	public static function pieceLength(size:Int):Int {
+		var scaled = size < 1024 ? 1.0 : size / 1024;
+		var exp = Std.int(Math.log(scaled) / Math.log(2) + 0.5);
+		if (exp < 0) exp = 0;
+		if (exp > 30) exp = 30;
+		var len = 1 << exp;
+		return len > MIN_PIECE_LENGTH ? len : MIN_PIECE_LENGTH;
+	}
+
+	public static function pieces(content:Bytes, plen:Int):Bytes {
+		var count = content.length == 0 ? 0 : Math.ceil(content.length / plen);
+		var out = Bytes.alloc(count * HASH_LENGTH);
+		for (i in 0...count) {
+			var off = i * plen;
+			var len = content.length - off;
+			if (len > plen) len = plen;
+			var sha = haxe.crypto.Sha1.make(content.sub(off, len));
+			out.blit(i * HASH_LENGTH, sha, 0, HASH_LENGTH);
+		}
+		return out;
+	}
+
+	public static function infoDict(name:String, content:Bytes):Dynamic {
+		var plen = pieceLength(content.length);
+		var info:Dynamic = {};
+		Reflect.setField(info, "length", content.length);
+		Reflect.setField(info, "name", name);
+		Reflect.setField(info, "piece length", plen);
+		Reflect.setField(info, "pieces", pieces(content, plen));
+		return info;
+	}
+
+	public static function infoHash(name:String, content:Bytes):Bytes {
+		return haxe.crypto.Sha1.make(Bencode.encode(infoDict(name, content)));
+	}
+
+	public static function identifierHash(identifier:String):Bytes {
+		return infoHash(identifier, Bytes.ofString(identifier));
+	}
+
+	public static function peerId():Bytes {
+		var prefix = Bytes.ofString(PEERID_PREFIX);
+		var random = Bytes.ofString(Crypto.toHex(Crypto.randomBytes(6)));
+		var out = Bytes.alloc(PEERID_LENGTH);
+		out.blit(0, prefix, 0, prefix.length);
+		out.blit(prefix.length, random, 0, PEERID_LENGTH - prefix.length);
+		return out;
+	}
+
+	public static function toBinaryString(bytes:Bytes):String {
+		var sb = new StringBuf();
+		for (i in 0...bytes.length) sb.addChar(bytes.get(i));
+		return sb.toString();
+	}
+
+	public static function fromBinaryString(str:String):Bytes {
+		var bytes = Bytes.alloc(str.length);
+		for (i in 0...str.length) bytes.set(i, str.charCodeAt(i) & 0xFF);
+		return bytes;
+	}
+}

leenkx/Sources/leenkx/network/torrent/TweetNaCl.hx

@@ -0,0 +1,733 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+class TweetNaCl {
+
+	static var _0:Array<Int> = [for (i in 0...16) 0];
+	static var _9:Array<Int> = { var a = [for (i in 0...32) 0]; a[0] = 9; a; };
+	static var sigma:Array<Int> = [101, 120, 112, 97, 110, 100, 32, 51, 50, 45, 98, 121, 116, 101, 32, 107];
+	static var minusp:Array<Int> = [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252];
+	static var L:Array<Float> = [0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10];
+
+	static inline function gf(?init:Array<Float>):Array<Float> {
+		var r = [for (i in 0...16) 0.0];
+		if (init != null) for (i in 0...init.length) r[i] = init[i];
+		return r;
+	}
+
+	static var gf0 = gf();
+	static var gf1 = gf([1]);
+	static var _121665 = gf([0xdb41, 1]);
+	static var D = gf([0x78a3, 0x1359, 0x4dca, 0x75eb, 0xd8ab, 0x4141, 0x0a4d, 0x0070, 0xe898, 0x7779, 0x4079, 0x8cc7, 0xfe73, 0x2b6f, 0x6cee, 0x5203]);
+	static var D2 = gf([0xf159, 0x26b2, 0x9b94, 0xebd6, 0xb156, 0x8283, 0x149a, 0x00e0, 0xd130, 0xeef3, 0x80f2, 0x198e, 0xfce7, 0x56df, 0xd9dc, 0x2406]);
+	static var X = gf([0xd51a, 0x8f25, 0x2d60, 0xc956, 0xa7b2, 0x9525, 0xc760, 0x692c, 0xdc5c, 0xfdd6, 0xe231, 0xc0a4, 0x53fe, 0xcd6e, 0x36d3, 0x2169]);
+	static var Y = gf([0x6658, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666]);
+	static var I = gf([0xa0b0, 0x4a0e, 0x1b27, 0xc4ee, 0xe478, 0xad2f, 0x1806, 0x2f43, 0xd7a7, 0x3dfb, 0x0099, 0x2b4d, 0xdf0b, 0x4fc1, 0x2480, 0x2b83]);
+
+	static var K:Array<Array<Int>> = [
+		[0x428a2f98, 0xd728ae22], [0x71374491, 0x23ef65cd], [0xb5c0fbcf, 0xec4d3b2f], [0xe9b5dba5, 0x8189dbbc],
+		[0x3956c25b, 0xf348b538], [0x59f111f1, 0xb605d019], [0x923f82a4, 0xaf194f9b], [0xab1c5ed5, 0xda6d8118],
+		[0xd807aa98, 0xa3030242], [0x12835b01, 0x45706fbe], [0x243185be, 0x4ee4b28c], [0x550c7dc3, 0xd5ffb4e2],
+		[0x72be5d74, 0xf27b896f], [0x80deb1fe, 0x3b1696b1], [0x9bdc06a7, 0x25c71235], [0xc19bf174, 0xcf692694],
+		[0xe49b69c1, 0x9ef14ad2], [0xefbe4786, 0x384f25e3], [0x0fc19dc6, 0x8b8cd5b5], [0x240ca1cc, 0x77ac9c65],
+		[0x2de92c6f, 0x592b0275], [0x4a7484aa, 0x6ea6e483], [0x5cb0a9dc, 0xbd41fbd4], [0x76f988da, 0x831153b5],
+		[0x983e5152, 0xee66dfab], [0xa831c66d, 0x2db43210], [0xb00327c8, 0x98fb213f], [0xbf597fc7, 0xbeef0ee4],
+		[0xc6e00bf3, 0x3da88fc2], [0xd5a79147, 0x930aa725], [0x06ca6351, 0xe003826f], [0x14292967, 0x0a0e6e70],
+		[0x27b70a85, 0x46d22ffc], [0x2e1b2138, 0x5c26c926], [0x4d2c6dfc, 0x5ac42aed], [0x53380d13, 0x9d95b3df],
+		[0x650a7354, 0x8baf63de], [0x766a0abb, 0x3c77b2a8], [0x81c2c92e, 0x47edaee6], [0x92722c85, 0x1482353b],
+		[0xa2bfe8a1, 0x4cf10364], [0xa81a664b, 0xbc423001], [0xc24b8b70, 0xd0f89791], [0xc76c51a3, 0x0654be30],
+		[0xd192e819, 0xd6ef5218], [0xd6990624, 0x5565a910], [0xf40e3585, 0x5771202a], [0x106aa070, 0x32bbd1b8],
+		[0x19a4c116, 0xb8d2d0c8], [0x1e376c08, 0x5141ab53], [0x2748774c, 0xdf8eeb99], [0x34b0bcb5, 0xe19b48a8],
+		[0x391c0cb3, 0xc5c95a63], [0x4ed8aa4a, 0xe3418acb], [0x5b9cca4f, 0x7763e373], [0x682e6ff3, 0xd6b2b8a3],
+		[0x748f82ee, 0x5defb2fc], [0x78a5636f, 0x43172f60], [0x84c87814, 0xa1f0ab72], [0x8cc70208, 0x1a6439ec],
+		[0x90befffa, 0x23631e28], [0xa4506ceb, 0xde82bde9], [0xbef9a3f7, 0xb2c67915], [0xc67178f2, 0xe372532b],
+		[0xca273ece, 0xea26619c], [0xd186b8c7, 0x21c0c207], [0xeada7dd6, 0xcde0eb1e], [0xf57d4f7f, 0xee6ed178],
+		[0x06f067aa, 0x72176fba], [0x0a637dc5, 0xa2c898a6], [0x113f9804, 0xbef90dae], [0x1b710b35, 0x131c471b],
+		[0x28db77f5, 0x23047d84], [0x32caab7b, 0x40c72493], [0x3c9ebe0a, 0x15c9bebc], [0x431d67c4, 0x9c100d4c],
+		[0x4cc5d4be, 0xcb3e42b6], [0x597f299c, 0xfc657e2a], [0x5fcb6fab, 0x3ad6faec], [0x6c44198c, 0x4a475817]
+	];
+
+	static var iv:Array<Int> = [
+		0x6a, 0x09, 0xe6, 0x67, 0xf3, 0xbc, 0xc9, 0x08,
+		0xbb, 0x67, 0xae, 0x85, 0x84, 0xca, 0xa7, 0x3b,
+		0x3c, 0x6e, 0xf3, 0x72, 0xfe, 0x94, 0xf8, 0x2b,
+		0xa5, 0x4f, 0xf5, 0x3a, 0x5f, 0x1d, 0x36, 0xf1,
+		0x51, 0x0e, 0x52, 0x7f, 0xad, 0xe6, 0x82, 0xd1,
+		0x9b, 0x05, 0x68, 0x8c, 0x2b, 0x3e, 0x6c, 0x1f,
+		0x1f, 0x83, 0xd9, 0xab, 0xfb, 0x41, 0xbd, 0x6b,
+		0x5b, 0xe0, 0xcd, 0x19, 0x13, 0x7e, 0x21, 0x79
+	];
+
+	static inline function u64(h:Int, l:Int):Array<Int> { return [h, l]; }
+	static inline function u64add(a:Array<Int>, b:Array<Int>):Array<Int> {
+		var a0 = a[1] & 65535, a1 = a[1] >>> 16, a2 = a[0] & 65535, a3 = a[0] >>> 16;
+		var b0 = b[1] & 65535, b1 = b[1] >>> 16, b2 = b[0] & 65535, b3 = b[0] >>> 16;
+		var s0 = a0 + b0; var s1 = a1 + b1 + (s0 >>> 16);
+		var s2 = a2 + b2 + (s1 >>> 16); var s3 = a3 + b3 + (s2 >>> 16);
+		return [(s2 & 65535) | ((s3 & 65535) << 16), (s0 & 65535) | ((s1 & 65535) << 16)];
+	}
+	static function u64addMulti(args:Array<Array<Int>>):Array<Int> {
+		var a0 = 0, a1 = 0, a2 = 0, a3 = 0;
+		for (v in args) {
+			a0 += v[1] & 65535; a1 += v[1] >>> 16;
+			a2 += v[0] & 65535; a3 += v[0] >>> 16;
+		}
+		a1 += a0 >>> 16; a2 += a1 >>> 16; a3 += a2 >>> 16;
+		return [(a2 & 65535) | ((a3 & 65535) << 16), (a0 & 65535) | ((a1 & 65535) << 16)];
+	}
+	static inline function u64xor(a:Array<Int>, b:Array<Int>):Array<Int> {
+		return [a[0] ^ b[0], a[1] ^ b[1]];
+	}
+	static function u64xorMulti(args:Array<Array<Int>>):Array<Int> {
+		var h = 0, l = 0;
+		for (v in args) { h ^= v[0]; l ^= v[1]; }
+		return [h, l];
+	}
+	static function u64R(x:Array<Int>, c:Int):Array<Int> {
+		var h:Int, l:Int, c1 = 32 - c;
+		if (c < 32) {
+			h = (x[0] >>> c) | (x[1] << c1);
+			l = (x[1] >>> c) | (x[0] << c1);
+		} else {
+			h = (x[1] >>> (c - 32)) | (x[0] << (64 - c));
+			l = (x[0] >>> (c - 32)) | (x[1] << (64 - c));
+		}
+		return [h, l];
+	}
+	static inline function u64shr(x:Array<Int>, c:Int):Array<Int> {
+		return [x[0] >>> c, (x[1] >>> c) | (x[0] << (32 - c))];
+	}
+	static inline function u64Ch(x:Array<Int>, y:Array<Int>, z:Array<Int>):Array<Int> {
+		return [(x[0] & y[0]) ^ (~x[0] & z[0]), (x[1] & y[1]) ^ (~x[1] & z[1])];
+	}
+	static inline function u64Maj(x:Array<Int>, y:Array<Int>, z:Array<Int>):Array<Int> {
+		return [(x[0] & y[0]) ^ (x[0] & z[0]) ^ (y[0] & z[0]), (x[1] & y[1]) ^ (x[1] & z[1]) ^ (y[1] & z[1])];
+	}
+	static inline function u64Sigma0(x:Array<Int>):Array<Int> { return u64xorMulti([u64R(x, 28), u64R(x, 34), u64R(x, 39)]); }
+	static inline function u64Sigma1(x:Array<Int>):Array<Int> { return u64xorMulti([u64R(x, 14), u64R(x, 18), u64R(x, 41)]); }
+	static inline function u64sigma0(x:Array<Int>):Array<Int> { return u64xorMulti([u64R(x, 1), u64R(x, 8), u64shr(x, 7)]); }
+	static inline function u64sigma1(x:Array<Int>):Array<Int> { return u64xorMulti([u64R(x, 19), u64R(x, 61), u64shr(x, 6)]); }
+
+	static function dl64(x:Array<Int>, i:Int):Array<Int> {
+		var h = (x[i] << 24) | (x[i + 1] << 16) | (x[i + 2] << 8) | x[i + 3];
+		var l = (x[i + 4] << 24) | (x[i + 5] << 16) | (x[i + 6] << 8) | x[i + 7];
+		return [h, l];
+	}
+
+	static function ts64u(x:Array<Int>, i:Int, v:Array<Int>):Void {
+		x[i] = (v[0] >> 24) & 0xff;
+		x[i + 1] = (v[0] >> 16) & 0xff;
+		x[i + 2] = (v[0] >> 8) & 0xff;
+		x[i + 3] = v[0] & 0xff;
+		x[i + 4] = (v[1] >> 24) & 0xff;
+		x[i + 5] = (v[1] >> 16) & 0xff;
+		x[i + 6] = (v[1] >> 8) & 0xff;
+		x[i + 7] = v[1] & 0xff;
+	}
+
+	static function L32(x:Int, c:Int):Int { return (x << c) | (x >>> (32 - c)); }
+
+	static function ld32(x:Array<Int>, i:Int):Int {
+		var u = x[i + 3] & 0xff;
+		u = (u << 8) | (x[i + 2] & 0xff);
+		u = (u << 8) | (x[i + 1] & 0xff);
+		return (u << 8) | (x[i + 0] & 0xff);
+	}
+
+	static function st32(x:Array<Int>, j:Int, u:Int):Void {
+		for (i in 0...4) { x[j + i] = u & 255; u = u >>> 8; }
+	}
+
+	static function vn(x:Array<Int>, xi:Int, y:Array<Int>, yi:Int, n:Int):Int {
+		var d = 0;
+		for (i in 0...n) d |= x[xi + i] ^ y[yi + i];
+		return (1 & ((d - 1) >>> 8)) - 1;
+	}
+
+	static function crypto_verify_16(x:Array<Int>, xi:Int, y:Array<Int>, yi:Int):Int { return vn(x, xi, y, yi, 16); }
+	static function crypto_verify_32(x:Array<Int>, xi:Int, y:Array<Int>, yi:Int):Int { return vn(x, xi, y, yi, 32); }
+
+	static function core(out:Array<Int>, inp:Array<Int>, k:Array<Int>, c:Array<Int>, h:Bool):Void {
+		var w = [for (i in 0...16) 0], x = [for (i in 0...16) 0], y = [for (i in 0...16) 0], t = [for (i in 0...4) 0];
+		for (i in 0...4) {
+			x[5 * i] = ld32(c, 4 * i); x[1 + i] = ld32(k, 4 * i);
+			x[6 + i] = ld32(inp, 4 * i); x[11 + i] = ld32(k, 16 + 4 * i);
+		}
+		for (i in 0...16) y[i] = x[i];
+		for (i in 0...20) {
+			for (j in 0...4) {
+				for (m in 0...4) t[m] = x[(5 * j + 4 * m) % 16];
+				t[1] ^= L32(t[0] + t[3], 7); t[2] ^= L32(t[1] + t[0], 9);
+				t[3] ^= L32(t[2] + t[1], 13); t[0] ^= L32(t[3] + t[2], 18);
+				for (m in 0...4) w[4 * j + (j + m) % 4] = t[m];
+			}
+			for (m in 0...16) x[m] = w[m];
+		}
+		if (h) {
+			for (i in 0...16) x[i] += y[i];
+			for (i in 0...4) { x[5 * i] -= ld32(c, 4 * i); x[6 + i] -= ld32(inp, 4 * i); }
+			for (i in 0...4) { st32(out, 4 * i, x[5 * i]); st32(out, 16 + 4 * i, x[6 + i]); }
+		} else {
+			for (i in 0...16) st32(out, 4 * i, x[i] + y[i]);
+		}
+	}
+
+	static function crypto_stream_salsa20_xor(c:Array<Int>, cpos:Int, m:Array<Int>, mpos:Int, b:Int, n:Array<Int>, k:Array<Int>):Int {
+		var z = [for (i in 0...16) 0], x = [for (i in 0...64) 0];
+		if (b == 0) return 0;
+		for (i in 0...8) z[i] = n[i];
+		while (b >= 64) {
+			crypto_core_salsa20(x, z, k, sigma);
+			for (i in 0...64) c[cpos + i] = (m != null ? m[mpos + i] : 0) ^ x[i];
+			var u = 1;
+			for (i in 8...16) { u += z[i]; z[i] = u & 0xff; u >>>= 8; }
+			b -= 64; cpos += 64; if (m != null) mpos += 64;
+		}
+		if (b > 0) {
+			crypto_core_salsa20(x, z, k, sigma);
+			for (i in 0...b) c[cpos + i] = (m != null ? m[mpos + i] : 0) ^ x[i];
+		}
+		return 0;
+	}
+
+	static function crypto_stream(c:Array<Int>, cpos:Int, d:Int, n:Array<Int>, k:Array<Int>):Int {
+		var np = [for (i in 0...32) 0];
+		for (i in 0...n.length) np[i] = n[i];
+		var s = [for (i in 0...32) 0];
+		crypto_core_hsalsa20(s, np, k, sigma);
+		var n2 = [for (i in 0...16) 0];
+		for (i in 0...16) n2[i] = np[16 + i];
+		return crypto_stream_salsa20(c, cpos, d, n2, s);
+	}
+
+	static function crypto_stream_xor(c:Array<Int>, cpos:Int, m:Array<Int>, mpos:Int, d:Int, n:Array<Int>, k:Array<Int>):Int {
+		var np = [for (i in 0...32) 0];
+		for (i in 0...n.length) np[i] = n[i];
+		var s = [for (i in 0...32) 0];
+		crypto_core_hsalsa20(s, np, k, sigma);
+		var n2 = [for (i in 0...16) 0];
+		for (i in 0...16) n2[i] = np[16 + i];
+		return crypto_stream_salsa20_xor(c, cpos, m, mpos, d, n2, s);
+	}
+
+	static inline function crypto_core_salsa20(out:Array<Int>, inp:Array<Int>, k:Array<Int>, c:Array<Int>):Int { core(out, inp, k, c, false); return 0; }
+	static inline function crypto_core_hsalsa20(out:Array<Int>, inp:Array<Int>, k:Array<Int>, c:Array<Int>):Int { core(out, inp, k, c, true); return 0; }
+	static inline function crypto_stream_salsa20(c:Array<Int>, cpos:Int, d:Int, n:Array<Int>, k:Array<Int>):Int { return crypto_stream_salsa20_xor(c, cpos, null, 0, d, n, k); }
+
+	static function add1305(h:Array<Int>, c:Array<Int>):Void {
+		var u = 0;
+		for (j in 0...17) { u += h[j] + c[j]; h[j] = u & 255; u >>>= 8; }
+	}
+
+	static function crypto_onetimeauth(out:Array<Int>, outpos:Int, m:Array<Int>, mpos:Int, n:Int, k:Array<Int>):Int {
+		var s:Int, i:Int, j:Int, u:Int;
+		var x = [for (i in 0...17) 0], r = [for (i in 0...17) 0], h = [for (i in 0...17) 0], c = [for (i in 0...17) 0], g = [for (i in 0...17) 0];
+		for (j in 0...17) r[j] = h[j] = 0;
+		for (j in 0...16) r[j] = k[j];
+		r[3] &= 15; r[4] &= 252; r[7] &= 15; r[8] &= 252; r[11] &= 15; r[12] &= 252; r[15] &= 15;
+		while (n > 0) {
+			for (j in 0...17) c[j] = 0;
+			j = 0; while (j < 16 && j < n) { c[j] = m[mpos + j]; j++; }
+			c[j] = 1; mpos += j; n -= j;
+			add1305(h, c);
+			for (i in 0...17) {
+				x[i] = 0;
+				for (j in 0...17) x[i] += Std.int(h[j] * ((j <= i) ? r[i - j] : (320 * r[i + 17 - j])));
+			}
+			for (i in 0...17) h[i] = x[i];
+			u = 0;
+			for (j in 0...16) { u += h[j]; h[j] = u & 255; u >>>= 8; }
+			u += h[16]; h[16] = u & 3; u = 5 * (u >>> 2);
+			for (j in 0...16) { u += h[j]; h[j] = u & 255; u >>>= 8; }
+			u += h[16]; h[16] = u;
+		}
+		for (j in 0...17) g[j] = h[j];
+		add1305(h, minusp);
+		s = -(h[16] >>> 7);
+		for (j in 0...17) h[j] ^= s & (g[j] ^ h[j]);
+		for (j in 0...16) c[j] = k[j + 16];
+		c[16] = 0; add1305(h, c);
+		for (j in 0...16) out[outpos + j] = h[j];
+		return 0;
+	}
+
+	static function crypto_secretbox(c:Array<Int>, m:Array<Int>, d:Int, n:Array<Int>, k:Array<Int>):Int {
+		if (d < 32) return -1;
+		crypto_stream_xor(c, 0, m, 0, d, n, k);
+		crypto_onetimeauth(c, 16, c, 32, d - 32, c);
+		for (i in 0...16) c[i] = 0;
+		return 0;
+	}
+
+	static function crypto_secretbox_open(m:Array<Int>, c:Array<Int>, d:Int, n:Array<Int>, k:Array<Int>):Int {
+		var x = [for (i in 0...32) 0];
+		if (d < 32) return -1;
+		crypto_stream(x, 0, 32, n, k);
+		if (crypto_onetimeauth_verify(c, 16, c, 32, d - 32, x) != 0) return -1;
+		crypto_stream_xor(m, 0, c, 0, d, n, k);
+		for (i in 0...32) m[i] = 0;
+		return 0;
+	}
+
+	static inline function crypto_onetimeauth_verify(h:Array<Int>, hpos:Int, m:Array<Int>, mpos:Int, n:Int, k:Array<Int>):Int {
+		var x = [for (i in 0...16) 0];
+		crypto_onetimeauth(x, 0, m, mpos, n, k);
+		return crypto_verify_16(h, hpos, x, 0);
+	}
+
+	static function set25519(r:Array<Float>, a:Array<Float>):Void { for (i in 0...16) r[i] = a[i]; }
+
+	static function car25519(o:Array<Float>):Void {
+		var c:Float;
+		for (i in 0...16) {
+			o[i] += 65536;
+			c = Math.floor(o[i] / 65536);
+			o[(i + 1) * (i < 15 ? 1 : 0)] += c - 1 + 37 * (c - 1) * (i == 15 ? 1 : 0);
+			o[i] -= c * 65536;
+		}
+	}
+
+	static function sel25519(p:Array<Float>, q:Array<Float>, b:Int):Void {
+		var c = ~((b - 1));
+		for (i in 0...16) {
+			var t:Int = c & (Std.int(p[i]) ^ Std.int(q[i]));
+			p[i] = Std.int(p[i]) ^ t; q[i] = Std.int(q[i]) ^ t;
+		}
+	}
+
+	static function pack25519(o:Array<Int>, n:Array<Float>):Void {
+		var m = gf(), t = gf();
+		for (i in 0...16) t[i] = n[i];
+		car25519(t); car25519(t); car25519(t);
+		for (j in 0...2) {
+			m[0] = t[0] - 0xffed;
+			for (i in 1...15) {
+				m[i] = t[i] - 0xffff - ((Std.int(m[i - 1]) >> 16) & 1);
+				m[i - 1] = Std.int(m[i - 1]) & 0xffff;
+			}
+			m[15] = t[15] - 0x7fff - ((Std.int(m[14]) >> 16) & 1);
+			var b = (Std.int(m[15]) >> 16) & 1;
+			m[14] = Std.int(m[14]) & 0xffff;
+			sel25519(t, m, 1 - b);
+		}
+		for (i in 0...16) {
+			o[2 * i] = Std.int(t[i]) & 0xff;
+			o[2 * i + 1] = Std.int(t[i]) >> 8;
+		}
+	}
+
+	static function neq25519(a:Array<Float>, b:Array<Float>):Int {
+		var c = [for (i in 0...32) 0], d = [for (i in 0...32) 0];
+		pack25519(c, a); pack25519(d, b);
+		return crypto_verify_32(c, 0, d, 0);
+	}
+
+	static function par25519(a:Array<Float>):Int {
+		var d = [for (i in 0...32) 0];
+		pack25519(d, a);
+		return d[0] & 1;
+	}
+
+	static function unpack25519(o:Array<Float>, n:Array<Int>):Void {
+		for (i in 0...16) o[i] = n[2 * i] + (n[2 * i + 1] << 8);
+		o[15] = Std.int(o[15]) & 0x7fff;
+	}
+
+	static function A(o:Array<Float>, a:Array<Float>, b:Array<Float>):Void { for (i in 0...16) o[i] = a[i] + b[i]; }
+	static function Z(o:Array<Float>, a:Array<Float>, b:Array<Float>):Void { for (i in 0...16) o[i] = a[i] - b[i]; }
+
+	static function M(o:Array<Float>, a:Array<Float>, b:Array<Float>):Void {
+		var t = [for (i in 0...31) 0.0];
+		for (i in 0...16) for (j in 0...16) t[i + j] += a[i] * b[j];
+		for (i in 0...15) t[i] += 38 * t[i + 16];
+		for (i in 0...16) o[i] = t[i];
+		car25519(o); car25519(o);
+	}
+
+	static inline function S(o:Array<Float>, a:Array<Float>):Void { M(o, a, a); }
+
+	static function inv25519(o:Array<Float>, i:Array<Float>):Void {
+		var c = gf();
+		for (a in 0...16) c[a] = i[a];
+		var a = 253; while (a >= 0) {
+			S(c, c);
+			if (a != 2 && a != 4) M(c, c, i);
+			a--;
+		}
+		for (a in 0...16) o[a] = c[a];
+	}
+
+	static function pow2523(o:Array<Float>, i:Array<Float>):Void {
+		var c = gf();
+		for (a in 0...16) c[a] = i[a];
+		var a = 250; while (a >= 0) {
+			S(c, c);
+			if (a != 1) M(c, c, i);
+			a--;
+		}
+		for (a in 0...16) o[a] = c[a];
+	}
+
+	static function crypto_scalarmult(q:Array<Int>, n:Array<Int>, p:Array<Int>):Int {
+		var z = [for (i in 0...32) 0];
+		var x = [for (i in 0...80) 0.0];
+		var a = gf(), b = gf(), c = gf(), d = gf(), e = gf(), f = gf();
+		for (i in 0...31) z[i] = n[i];
+		z[31] = (n[31] & 127) | 64;
+		z[0] &= 248;
+		unpack25519(x, p);
+		for (i in 0...16) { b[i] = x[i]; d[i] = a[i] = c[i] = 0; }
+		a[0] = d[0] = 1;
+		var r:Int;
+		var i = 254; while (i >= 0) {
+			r = (z[i >>> 3] >>> (i & 7)) & 1;
+			sel25519(a, b, r); sel25519(c, d, r);
+			A(e, a, c); Z(a, a, c); A(c, b, d); Z(b, b, d);
+			S(d, e); S(f, a); M(a, c, a); M(c, b, e);
+			A(e, a, c); Z(a, a, c); S(b, a); Z(c, d, f);
+			M(a, c, _121665); A(a, a, d); M(c, c, a); M(a, d, f); M(d, b, x);
+			S(b, e); sel25519(a, b, r); sel25519(c, d, r);
+			i--;
+		}
+		for (i in 0...16) {
+			x[i + 16] = a[i]; x[i + 32] = c[i]; x[i + 48] = b[i]; x[i + 64] = d[i];
+		}
+		var x32 = [for (i in 0...16) 0.0]; for (i in 0...16) x32[i] = x[i + 32];
+		var x16 = [for (i in 0...16) 0.0]; for (i in 0...16) x16[i] = x[i + 16];
+		inv25519(x32, x32);
+		M(x16, x16, x32);
+		pack25519(q, x16);
+		return 0;
+	}
+
+	static function crypto_scalarmult_base(q:Array<Int>, n:Array<Int>):Int { return crypto_scalarmult(q, n, _9); }
+
+	static function crypto_box_beforenm(k:Array<Int>, y:Array<Int>, x:Array<Int>):Int {
+		var s = [for (i in 0...32) 0];
+		crypto_scalarmult(s, x, y);
+		return crypto_core_hsalsa20(k, _0, s, sigma);
+	}
+
+	static function crypto_box(c:Array<Int>, m:Array<Int>, d:Int, n:Array<Int>, y:Array<Int>, x:Array<Int>):Int {
+		var k = [for (i in 0...32) 0];
+		crypto_box_beforenm(k, y, x);
+		return crypto_secretbox(c, m, d, n, k);
+	}
+
+	static function crypto_box_open(m:Array<Int>, c:Array<Int>, d:Int, n:Array<Int>, y:Array<Int>, x:Array<Int>):Int {
+		var k = [for (i in 0...32) 0];
+		crypto_box_beforenm(k, y, x);
+		return crypto_secretbox_open(m, c, d, n, k);
+	}
+
+	static function crypto_box_keypair(y:Array<Int>, x:Array<Int>, randomFn:Int->Array<Int>):Int {
+		var rb = randomFn(32);
+		for (i in 0...32) x[i] = rb[i];
+		return crypto_scalarmult_base(y, x);
+	}
+
+	static function crypto_hashblocks(x:Array<Int>, m:Array<Int>, mpos:Int, n:Int):Int {
+		var z = [for (i in 0...8) null], b = [for (i in 0...8) null], a = [for (i in 0...8) null], w = [for (i in 0...16) null];
+		for (i in 0...8) z[i] = a[i] = dl64(x, 8 * i);
+		while (n >= 128) {
+			for (i in 0...16) w[i] = dl64(m, 8 * i + mpos);
+			for (i in 0...80) {
+				for (j in 0...8) b[j] = a[j];
+				var t = u64addMulti([a[7], u64Sigma1(a[4]), u64Ch(a[4], a[5], a[6]), u64(K[i][0], K[i][1]), w[i % 16]]);
+				b[7] = u64addMulti([t, u64Sigma0(a[0]), u64Maj(a[0], a[1], a[2])]);
+				b[3] = u64add(b[3], t);
+				for (j in 0...8) a[(j + 1) % 8] = b[j];
+				if (i % 16 == 15) {
+					for (j in 0...16) w[j] = u64addMulti([w[j], w[(j + 9) % 16], u64sigma0(w[(j + 1) % 16]), u64sigma1(w[(j + 14) % 16])]);
+				}
+			}
+			for (i in 0...8) { a[i] = u64add(a[i], z[i]); z[i] = a[i]; }
+			mpos += 128; n -= 128;
+		}
+		for (i in 0...8) ts64u(x, 8 * i, z[i]);
+		return n;
+	}
+
+	static function crypto_hash(out:Array<Int>, m:Array<Int>, n:Int):Int {
+		var h = [for (i in 0...64) 0], x = [for (i in 0...256) 0];
+		var b = n;
+		for (i in 0...64) h[i] = iv[i];
+		crypto_hashblocks(h, m, 0, n);
+		n = n % 128;
+		for (i in 0...256) x[i] = 0;
+		for (i in 0...n) x[i] = m[b - n + i];
+		x[n] = 128;
+		var sz = 256 - 128 * (n < 112 ? 1 : 0);
+		x[sz - 9] = 0;
+		ts64u(x, sz - 8, u64(Std.int(b / 0x20000000), b << 3));
+		crypto_hashblocks(h, x, 0, sz);
+		for (i in 0...64) out[i] = h[i];
+		return 0;
+	}
+
+	static function edAdd(p:Array<Array<Float>>, q:Array<Array<Float>>):Void {
+		var a = gf(), b = gf(), c = gf(), d = gf(), e = gf(), f = gf(), g = gf(), h = gf(), t = gf();
+		Z(a, p[1], p[0]); Z(t, q[1], q[0]); M(a, a, t);
+		A(b, p[0], p[1]); A(t, q[0], q[1]); M(b, b, t);
+		M(c, p[3], q[3]); M(c, c, D2);
+		M(d, p[2], q[2]); A(d, d, d);
+		Z(e, b, a); Z(f, d, c); A(g, d, c); A(h, b, a);
+		M(p[0], e, f); M(p[1], h, g); M(p[2], g, f); M(p[3], e, h);
+	}
+
+	static function cswap(p:Array<Array<Float>>, q:Array<Array<Float>>, b:Int):Void {
+		for (i in 0...4) sel25519(p[i], q[i], b);
+	}
+
+	static function edPack(r:Array<Int>, p:Array<Array<Float>>):Void {
+		var tx = gf(), ty = gf(), zi = gf();
+		inv25519(zi, p[2]); M(tx, p[0], zi); M(ty, p[1], zi);
+		pack25519(r, ty);
+		r[31] ^= par25519(tx) << 7;
+	}
+
+	static function edScalarmult(p:Array<Array<Float>>, q:Array<Array<Float>>, s:Array<Int>):Void {
+		set25519(p[0], gf0); set25519(p[1], gf1); set25519(p[2], gf1); set25519(p[3], gf0);
+		var i = 255; while (i >= 0) {
+			var b = (s[Std.int(i / 8)] >> (i & 7)) & 1;
+			cswap(p, q, b);
+			edAdd(q, p);
+			edAdd(p, p);
+			cswap(p, q, b);
+			i--;
+		}
+	}
+
+	static function edScalarbase(p:Array<Array<Float>>, s:Array<Int>):Void {
+		var q = [gf(), gf(), gf(), gf()];
+		set25519(q[0], X); set25519(q[1], Y); set25519(q[2], gf1);
+		M(q[3], X, Y);
+		edScalarmult(p, q, s);
+	}
+
+	static function crypto_sign_keypair(pk:Array<Int>, sk:Array<Int>, seeded:Bool, randomFn:Int->Array<Int>):Int {
+		var d = [for (i in 0...64) 0];
+		var p = [gf(), gf(), gf(), gf()];
+		if (!seeded) {
+			var rb = randomFn(32);
+			for (i in 0...32) sk[i] = rb[i];
+		}
+		crypto_hash(d, sk, 32);
+		d[0] &= 248; d[31] &= 127; d[31] |= 64;
+		edScalarbase(p, d);
+		edPack(pk, p);
+		for (i in 0...32) sk[i + 32] = pk[i];
+		return 0;
+	}
+
+	static function modL(r:Array<Int>, roff:Int, x:Array<Float>):Void {
+		var carry:Int, i:Int, j:Int, k:Int;
+		i = 63; while (i >= 32) {
+			carry = 0;
+			j = i - 32; k = i - 12;
+			while (j < k) {
+				x[j] += carry - 16 * x[i] * L[j - (i - 32)];
+				carry = Std.int(Math.floor((x[j] + 128) / 256));
+				x[j] -= carry * 256;
+				j++;
+			}
+			x[j] += carry;
+			x[i] = 0;
+			i--;
+		}
+		carry = 0;
+		for (j in 0...32) {
+			x[j] += carry - (Std.int(x[31]) >> 4) * L[j];
+			carry = Std.int(x[j]) >> 8;
+			x[j] = Std.int(x[j]) & 255;
+		}
+		for (j in 0...32) x[j] -= carry * L[j];
+		for (i in 0...32) {
+			x[i + 1] += Std.int(x[i]) >> 8;
+			r[roff + i] = Std.int(x[i]) & 255;
+		}
+	}
+
+	static function reduce(r:Array<Int>):Void {
+		var x = [for (i in 0...64) 0.0];
+		for (i in 0...64) x[i] = r[i];
+		for (i in 0...64) r[i] = 0;
+		modL(r, 0, x);
+	}
+
+	static function crypto_sign(sm:Array<Int>, m:Array<Int>, n:Int, sk:Array<Int>):Int {
+		var d = [for (i in 0...64) 0], h = [for (i in 0...64) 0], r = [for (i in 0...64) 0];
+		var x = [for (i in 0...64) 0.0];
+		var p = [gf(), gf(), gf(), gf()];
+		crypto_hash(d, sk, 32);
+		d[0] &= 248; d[31] &= 127; d[31] |= 64;
+		for (i in 0...n) sm[64 + i] = m[i];
+		for (i in 0...32) sm[32 + i] = d[32 + i];
+		var sm32 = [for (i in 0...n + 32) 0];
+		for (i in 0...n + 32) sm32[i] = sm[32 + i];
+		crypto_hash(r, sm32, n + 32);
+		reduce(r);
+		edScalarbase(p, r);
+		edPack(sm, p);
+		for (i in 32...64) sm[i] = sk[i];
+		var smFull = [for (i in 0...n + 64) 0];
+		for (i in 0...n + 64) smFull[i] = sm[i];
+		crypto_hash(h, smFull, n + 64);
+		reduce(h);
+		for (i in 0...64) x[i] = 0;
+		for (i in 0...32) x[i] = r[i];
+		for (i in 0...32) for (j in 0...32) x[i + j] += h[i] * d[j];
+		modL(sm, 32, x);
+		return n + 64;
+	}
+
+	static function unpackneg(r:Array<Array<Float>>, p:Array<Int>):Int {
+		var t = gf(), chk = gf(), num = gf(), den = gf(), den2 = gf(), den4 = gf(), den6 = gf();
+		set25519(r[2], gf1);
+		unpack25519(r[1], p);
+		S(num, r[1]); M(den, num, D); Z(num, num, r[2]); A(den, r[2], den);
+		S(den2, den); S(den4, den2); M(den6, den4, den2);
+		M(t, den6, num); M(t, t, den);
+		pow2523(t, t);
+		M(t, t, num); M(t, t, den); M(t, t, den);
+		M(r[0], t, den);
+		S(chk, r[0]); M(chk, chk, den);
+		if (neq25519(chk, num) != 0) M(r[0], r[0], I);
+		S(chk, r[0]); M(chk, chk, den);
+		if (neq25519(chk, num) != 0) return -1;
+		if (par25519(r[0]) == (p[31] >> 7)) Z(r[0], gf0, r[0]);
+		M(r[3], r[0], r[1]);
+		return 0;
+	}
+
+	static function crypto_sign_open(m:Array<Int>, sm:Array<Int>, n:Int, pk:Array<Int>):Int {
+		var t = [for (i in 0...32) 0], h = [for (i in 0...64) 0];
+		var p = [gf(), gf(), gf(), gf()], q = [gf(), gf(), gf(), gf()];
+		if (n < 64) return -1;
+		if (unpackneg(q, pk) != 0) return -1;
+		for (i in 0...n) m[i] = sm[i];
+		for (i in 0...32) m[i + 32] = pk[i];
+		crypto_hash(h, m, n);
+		reduce(h);
+		edScalarmult(p, q, h);
+		var sm32 = [for (i in 0...32) 0];
+		for (i in 0...32) sm32[i] = sm[32 + i];
+		edScalarbase(q, sm32);
+		edAdd(p, q);
+		edPack(t, p);
+		n -= 64;
+		if (crypto_verify_32(sm, 0, t, 0) != 0) {
+			for (i in 0...n) m[i] = 0;
+			return -1;
+		}
+		for (i in 0...n) m[i] = sm[i + 64];
+		return n;
+	}
+
+	public static inline var crypto_box_PUBLICKEYBYTES = 32;
+	public static inline var crypto_box_SECRETKEYBYTES = 32;
+	public static inline var crypto_box_NONCEBYTES = 24;
+	public static inline var crypto_box_ZEROBYTES = 32;
+	public static inline var crypto_box_BOXZEROBYTES = 16;
+	public static inline var crypto_sign_BYTES = 64;
+	public static inline var crypto_sign_PUBLICKEYBYTES = 32;
+	public static inline var crypto_sign_SECRETKEYBYTES = 64;
+	public static inline var crypto_sign_SEEDBYTES = 32;
+	public static inline var crypto_hash_BYTES = 64;
+
+	public static function hash(msg:Bytes):Bytes {
+		var m = bytesToArray(msg);
+		var out = [for (i in 0...64) 0];
+		crypto_hash(out, m, msg.length);
+		return arrayToBytes(out);
+	}
+
+	public static function signDetached(msg:Bytes, secretKey:Bytes):Bytes {
+		var m = bytesToArray(msg);
+		var sk = bytesToArray(secretKey);
+		var sm = [for (i in 0...crypto_sign_BYTES + msg.length) 0];
+		crypto_sign(sm, m, msg.length, sk);
+		var sig = [for (i in 0...crypto_sign_BYTES) 0];
+		for (i in 0...crypto_sign_BYTES) sig[i] = sm[i];
+		return arrayToBytes(sig);
+	}
+
+	public static function signDetachedVerify(msg:Bytes, sig:Bytes, publicKey:Bytes):Bool {
+		var sm = [for (i in 0...crypto_sign_BYTES + msg.length) 0];
+		var m = [for (i in 0...crypto_sign_BYTES + msg.length) 0];
+		var sigArr = bytesToArray(sig);
+		var msgArr = bytesToArray(msg);
+		for (i in 0...crypto_sign_BYTES) sm[i] = sigArr[i];
+		for (i in 0...msg.length) sm[i + crypto_sign_BYTES] = msgArr[i];
+		var pk = bytesToArray(publicKey);
+		return crypto_sign_open(m, sm, sm.length, pk) >= 0;
+	}
+
+	public static function signKeyPairFromSeed(seed:Bytes):{publicKey:Bytes, secretKey:Bytes} {
+		var pk = [for (i in 0...32) 0];
+		var sk = [for (i in 0...64) 0];
+		var seedArr = bytesToArray(seed);
+		for (i in 0...32) sk[i] = seedArr[i];
+		crypto_sign_keypair(pk, sk, true, null);
+		return {publicKey: arrayToBytes(pk), secretKey: arrayToBytes(sk)};
+	}
+
+	public static function boxKeyPair():{publicKey:Bytes, secretKey:Bytes} {
+		var pk = [for (i in 0...32) 0];
+		var sk = [for (i in 0...32) 0];
+		crypto_box_keypair(pk, sk, randomBytesArray);
+		return {publicKey: arrayToBytes(pk), secretKey: arrayToBytes(sk)};
+	}
+
+	public static function box(msg:Bytes, nonce:Bytes, publicKey:Bytes, secretKey:Bytes):Bytes {
+		var m = [for (i in 0...crypto_box_ZEROBYTES + msg.length) 0];
+		var c = [for (i in 0...m.length) 0];
+		var msgArr = bytesToArray(msg);
+		for (i in 0...msg.length) m[i + crypto_box_ZEROBYTES] = msgArr[i];
+		var n = bytesToArray(nonce);
+		var pk = bytesToArray(publicKey);
+		var sk = bytesToArray(secretKey);
+		crypto_box(c, m, m.length, n, pk, sk);
+		var result = [for (i in 0...c.length - crypto_box_BOXZEROBYTES) 0];
+		for (i in 0...result.length) result[i] = c[i + crypto_box_BOXZEROBYTES];
+		return arrayToBytes(result);
+	}
+
+	public static function boxOpen(box:Bytes, nonce:Bytes, publicKey:Bytes, secretKey:Bytes):Bytes {
+		var c = [for (i in 0...crypto_box_BOXZEROBYTES + box.length) 0];
+		var m = [for (i in 0...c.length) 0];
+		var boxArr = bytesToArray(box);
+		for (i in 0...box.length) c[i + crypto_box_BOXZEROBYTES] = boxArr[i];
+		if (c.length < 32) return null;
+		var n = bytesToArray(nonce);
+		var pk = bytesToArray(publicKey);
+		var sk = bytesToArray(secretKey);
+		if (crypto_box_open(m, c, c.length, n, pk, sk) != 0) return null;
+		var result = [for (i in 0...m.length - crypto_box_ZEROBYTES) 0];
+		for (i in 0...result.length) result[i] = m[i + crypto_box_ZEROBYTES];
+		return arrayToBytes(result);
+	}
+
+	public static var boxNonceLength(get, null):Int;
+	static inline function get_boxNonceLength():Int { return crypto_box_NONCEBYTES; }
+
+	static function bytesToArray(b:Bytes):Array<Int> {
+		var a = [for (i in 0...b.length) 0];
+		for (i in 0...b.length) a[i] = b.get(i);
+		return a;
+	}
+
+	static function arrayToBytes(a:Array<Int>):Bytes {
+		var b = Bytes.alloc(a.length);
+		for (i in 0...a.length) b.set(i, a[i] & 0xff);
+		return b;
+	}
+
+	static function randomBytesArray(n:Int):Array<Int> {
+		var b = Crypto.randomBytes(n);
+		var a = [for (i in 0...n) 0];
+		for (i in 0...n) a[i] = b.get(i);
+		return a;
+	}
+}

leenkx/Sources/leenkx/network/torrent/Types.hx

@@ -0,0 +1,56 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+typedef LeenkxOptions = {
+	@:optional var seed:String;
+	@:optional var keyPair:{publicKey:Bytes, secretKey:Bytes};
+	@:optional var timeout:Int;
+	@:optional var announce:Array<String>;
+	@:optional var iceServers:Array<String>;
+	@:optional var tracker:Dynamic;
+	@:optional var wtOpts:Dynamic;
+	@:optional var torrentOpts:Dynamic;
+	@:optional var torrent:Dynamic;
+	@:optional var wt:Dynamic;
+	@:optional var heartbeat:Int;
+	@:optional var deferJoin:Bool;
+	@:optional var transport:String;
+}
+
+typedef PeerInfo = {
+	var pk:String;
+	var ek:String;
+	var last:Float;
+}
+
+typedef Packet = {
+	var t:Float;
+	var i:String;
+	var pk:String;
+	var ek:String;
+	var n:Bytes;
+	@:optional var y:String;
+	@:optional var v:String;
+}
+
+enum abstract PacketType(String) from String to String {
+	var Message = "m";
+	var Ping = "p";
+	var Leave = "x";
+}
+
+enum abstract LeenkxEvent(String) from String to String {
+	var Torrent = "torrent";
+	var Message = "message";
+	var Seen = "seen";
+	var Left = "left";
+	var Server = "server";
+	var Ping = "ping";
+	var Timeout = "timeout";
+	var Connections = "connections";
+	var WireSeen = "wireseen";
+	var WireLeft = "wireleft";
+	var Tracker = "tracker";
+	var Announce = "announce";
+}

leenkx/Sources/leenkx/network/torrent/WebSeed.hx

@@ -0,0 +1,128 @@
+package leenkx.network.torrent;
+
+import haxe.io.Bytes;
+
+class WebSeed {
+	public var url:String;
+	public var onError:String -> Void;
+	public var onDone:Void -> Void;
+
+	var t:Torrent;
+	var busy = false;
+	var key:String;
+
+	public function new(url:String, t:Torrent) {
+		this.url = url;
+		this.t = t;
+		this.key = "ws:" + url;
+	}
+
+	public function work():Void {
+		if (busy || !supported() || t.pieces == null
+				|| t.pieces.complete) return;
+		var i = pickPiece();
+		if (i < 0) return;
+		var range = rangeFor(i);
+		if (range == null) return;
+		busy = true;
+		var off = 0;
+		var size = t.meta.pieceSize(i);
+		while (off < size) {
+			t.pieces.markRequested(key, i, off);
+			off += PieceManager.BLOCK_SIZE;
+		}
+		fetch(range.url, range.start, range.end, function(body, err) {
+			busy = false;
+			if (t.pieces != null) t.pieces.clearAllRequested(key);
+			if (body != null && t.pieces != null) {
+				t.pieces.addBlock(i, 0, body);
+				if (onDone != null) onDone();
+			} else if (onError != null) {
+				onError(err != null ? err : "empty response");
+			}
+		});
+	}
+
+	function pickPiece():Int {
+		var pieces = t.pieces;
+		for (sel in pieces.selections) {
+			for (i in sel.start...sel.end + 1) {
+				if (pieces.untouched(i) && rangeFor(i) != null) {
+					return i;
+				}
+			}
+		}
+		for (i in 0...t.meta.numPieces) {
+			if (pieces.untouched(i) && rangeFor(i) != null) return i;
+		}
+		return -1;
+	}
+
+	function fileForByteRange(start:Int, end:Int):MetaInfo.TorrentFileEntry {
+		for (f in t.meta.files) {
+			if (start >= f.offset && end < f.offset + f.length) {
+				return f;
+			}
+		}
+		return null;
+	}
+
+	function rangeFor(i:Int):{url:String, start:Int, end:Int} {
+		var pl = t.meta.pieceLength;
+		var start = i * pl;
+		var end = start + t.meta.pieceSize(i) - 1;
+		var f = fileForByteRange(start, end);
+		if (f == null) return null;
+		var u = url;
+		if (StringTools.endsWith(u, "/") || t.meta.files.length > 1) {
+			if (!StringTools.endsWith(u, "/")) u += "/";
+			u += f.path.split("\\").join("/");
+		}
+		return {url: u, start: start - f.offset,
+			end: end - f.offset};
+	}
+
+	static function supported():Bool {
+		#if kha_krom
+		return false;
+		#elseif (sys || js)
+		return true;
+		#else
+		return false;
+		#end
+	}
+
+	function fetch(url:String, start:Int, end:Int, cb:Bytes -> String -> Void):Void {
+		#if kha_krom
+		cb(null, "webseeds unsupported on krom");
+		#elseif sys
+		var req = new haxe.Http(url);
+		req.setHeader("Range", "bytes=" + start + "-" + end);
+		req.cnxTimeout = 60;
+		req.onBytes = function(b) {
+			TorrentClient.postMain(function() cb(b, null));
+		};
+		req.onError = function(e) {
+			TorrentClient.postMain(function() cb(null, e));
+		};
+		sys.thread.Thread.create(function() req.request(false));
+		#elseif js
+		var xhr = new js.html.XMLHttpRequest();
+		xhr.open("GET", url, true);
+		xhr.setRequestHeader("Range", "bytes=" + start + "-" + end);
+		xhr.timeout = 60000;
+		xhr.ontimeout = function() cb(null, "request timed out");
+		xhr.responseType = js.html.XMLHttpRequestResponseType
+			.ARRAYBUFFER;
+		xhr.onload = function() {
+			var buf:js.lib.ArrayBuffer = xhr.response;
+			cb(buf != null ? haxe.io.Bytes.ofData(buf) : null,
+				buf != null ? null : "empty response");
+		};
+		xhr.onerror = function() cb(null, "http error");
+		xhr.send();
+		#else
+		cb(null, "webseeds unsupported on this target");
+		#end
+	}
+}

leenkx/Sources/leenkx/network/torrent/peer/DataChannelPeer.hx

@@ -0,0 +1,152 @@
+package leenkx.network.torrent.peer;
+
+import haxe.io.Bytes;
+
+#if lnx_datachannel
+import datachannel.RTCDataChannel.RTCDataChannelState;
+#elseif kha_krom
+import leenkx.network.torrent.transport.RtcNative;
+#elseif js
+import js.html.rtc.DataChannelState;
+#end
+
+class DataChannelPeer implements IPeerChannel {
+	public var onOpen:Void -> Void;
+	public var onData:Bytes -> Void;
+	public var onClose:Void -> Void;
+
+	var dc:Dynamic;
+	var open = false;
+	var pending:Array<Bytes> = [];
+
+	public var isOpen(get, never):Bool;
+	function get_isOpen():Bool return open;
+
+	public function new(dc:Dynamic) {
+		this.dc = dc;
+		#if lnx_datachannel
+		dc.onOpen = function(name) {
+			open = true;
+			if (onOpen != null) onOpen();
+		};
+		dc.onMessage = function(msg:Bytes) {
+			emitData(msg);
+		};
+		dc.onClosed = function() {
+			open = false;
+			if (onClose != null) onClose();
+		};
+		dc.onError = function(msg) {
+			open = false;
+			if (onClose != null) onClose();
+		};
+		if (dc.state == RTCDataChannelState.Open) {
+			open = true;
+			if (onOpen != null) onOpen();
+		}
+		#elseif kha_krom
+		var dcId:Int = dc;
+		RtcNative.setOpenCallback(dcId, function() {
+			open = true;
+			if (onOpen != null) onOpen();
+		});
+		RtcNative.setMessageCallback(dcId, function(data:Dynamic) {
+			var msg:Bytes = null;
+			if (Std.isOfType(data, js.lib.ArrayBuffer)) {
+				msg = Bytes.ofData(data);
+			} else if (js.lib.ArrayBuffer.isView(data)) {
+				var view:js.lib.ArrayBufferView = data;
+				msg = Bytes.ofData(view.buffer.slice(
+					view.byteOffset, view.byteOffset + view.byteLength));
+			} else {
+				msg = Bytes.ofString(data);
+			}
+			emitData(msg);
+		});
+		RtcNative.setClosedCallback(dcId, function() {
+			open = false;
+			if (onClose != null) onClose();
+		});
+		RtcNative.setErrorCallback(dcId, function(msg:String) {
+			open = false;
+			if (onClose != null) onClose();
+		});
+		if (RtcNative.isOpen(dcId)) {
+			open = true;
+			if (onOpen != null) onOpen();
+		}
+		#elseif js
+		dc.binaryType = "arraybuffer";
+		dc.onopen = function() {
+			open = true;
+			if (onOpen != null) onOpen();
+		};
+		dc.onmessage = function(e:js.html.MessageEvent) {
+			var msg:Bytes = null;
+			if (Std.isOfType(e.data, js.lib.ArrayBuffer)) {
+				msg = Bytes.ofData(e.data);
+			} else if (Std.isOfType(e.data, js.html.Blob)) {
+				return;
+			} else {
+				msg = Bytes.ofString(e.data);
+			}
+			emitData(msg);
+		};
+		dc.onclose = function() {
+			open = false;
+			if (onClose != null) onClose();
+		};
+		dc.onerror = function(e) {
+			open = false;
+			if (onClose != null) onClose();
+		};
+		if (dc.readyState == DataChannelState.OPEN) {
+			open = true;
+			if (onOpen != null) onOpen();
+		}
+		#end
+	}
+
+	function emitData(msg:Bytes):Void {
+		if (onData == null) {
+			pending.push(msg);
+			return;
+		}
+		flushPending();
+		onData(msg);
+	}
+
+	function flushPending():Void {
+		if (onData == null || pending.length == 0) return;
+		var q = pending;
+		pending = [];
+		for (m in q) onData(m);
+	}
+
+	public function send(data:Bytes):Void {
+		flushPending();
+		if (!open) return;
+		#if lnx_datachannel
+		try {
+			dc.sendBytes(data);
+		} catch (e:Dynamic) {
+			trace("Failed to sendBytes: " + Std.string(e));
+		}
+		#elseif kha_krom
+		RtcNative.sendMessage(dc, data.getData().slice(0, data.length));
+		#elseif js
+		dc.send(new js.lib.Uint8Array(data.getData(), 0, data.length));
+		#end
+	}
+
+	public function close():Void {
+		open = false;
+		#if lnx_datachannel
+		try dc.close() catch(e:Dynamic) {}
+		#elseif kha_krom
+		try RtcNative.close(dc) catch(e:Dynamic) {}
+		#elseif js
+		try dc.close() catch(e:Dynamic) {}
+		#end
+	}
+}

leenkx/Sources/leenkx/network/torrent/peer/IPeerChannel.hx

@@ -0,0 +1,12 @@
+package leenkx.network.torrent.peer;
+
+import haxe.io.Bytes;
+
+interface IPeerChannel {
+	function send(data:Bytes):Void;
+	function close():Void;
+	var isOpen(get, never):Bool;
+	var onOpen:Void -> Void;
+	var onData:Bytes -> Void;
+	var onClose:Void -> Void;
+}

leenkx/Sources/leenkx/network/torrent/peer/RtcPeerPool.hx

@@ -0,0 +1,524 @@
+package leenkx.network.torrent.peer;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.transport.RtcSignaling;
+
+#if lnx_datachannel
+import datachannel.RTC;
+import datachannel.RTCPeerConnection.RTCState;
+import datachannel.RTCPeerConnection.RTCGatheringState;
+#elseif kha_krom
+import leenkx.network.torrent.transport.RtcNative;
+#elseif js
+import js.html.rtc.PeerConnection;
+import js.html.rtc.DataChannelEvent;
+import js.html.rtc.IceConnectionState;
+import js.html.rtc.IceGatheringState;
+import js.html.rtc.SessionDescription;
+import js.html.rtc.SdpType;
+#end
+
+class RtcPeerPool {
+	static inline var CHANNEL_LABEL = "bt-wire";
+
+	var channelLabel:String = CHANNEL_LABEL;
+	var unordered:Bool = false;
+	var maxRetransmits:Int = -1;
+
+	public var onPeerChannel:String -> IPeerChannel -> Void;
+	public var onPeerLeft:String -> Void;
+	public var onTrackerUpdate:Dynamic -> Void;
+	public var onReady:Void -> Void;
+	public var onError:String -> Void;
+	public var statsProvider:Void -> {downloaded:Float, uploaded:Float,
+		left:Float} = null;
+
+	var signalings:Array<RtcSignaling> = [];
+	var iceServers:Array<String>;
+	#if lnx_datachannel
+	var eventTimer:haxe.Timer = null;
+	#end
+
+	var peers:Map<String, Dynamic> = [];
+	var channels:Map<String, IPeerChannel> = [];
+	var offerPeers:Map<String, Dynamic> = [];
+	var offerChannels:Map<String, IPeerChannel> = [];
+	var offerPeerIds:Map<String, {v:String}> = [];
+	var promotedPeerIds:Map<String, String> = [];
+
+	#if kha_krom
+	var dcToOffer:Map<Int, String> = [];
+	var rtcInitialized = false;
+	#end
+
+	public static var defaultIceServers:Array<String> =
+		["stun:stun.l.google.com:19302", "stun:global.stun.twilio.com:3478"];
+
+	public function new(?iceServers:Array<String>, ?channelLabel:String, unordered:Bool = false, maxRetransmits:Int = -1) {
+		this.iceServers = iceServers != null ? iceServers
+			: defaultIceServers.copy();
+		if (channelLabel != null) this.channelLabel = channelLabel;
+		this.unordered = unordered;
+		this.maxRetransmits = maxRetransmits;
+	}
+
+	public function connect(trackerUrl:String, infoHashBinary:String, peerIdBinary:String):RtcSignaling {
+		leenkx.network.torrent.TorrentClient.initMain();
+		#if lnx_datachannel
+		RTC.init();
+		#end
+		#if kha_krom
+		if (!rtcInitialized) {
+			RtcNative.init();
+			rtcInitialized = true;
+		}
+		#end
+
+		var signaling = new RtcSignaling(trackerUrl, infoHashBinary, peerIdBinary);
+		signalings.push(signaling);
+		signaling.statsProvider = statsProvider;
+		signaling.onConnected = function() {
+			if (onReady != null) onReady();
+		};
+		signaling.onTrackerUpdate = function(d) {
+			if (onTrackerUpdate != null) onTrackerUpdate(d);
+		};
+		signaling.onCreateOffer = onCreateOffer;
+		signaling.onRemoteOffer = function(peerIdHex, offerIdHex, o) {
+			onRemoteOffer(signaling, peerIdHex, offerIdHex, o);
+		};
+		signaling.onRemoteAnswer = onRemoteAnswer;
+		signaling.onOfferTimeout = function(offerId) removeOfferPeer(offerId);
+		signaling.onPeerLeft = function(peerId) {
+			removePeer(peerId);
+			if (onPeerLeft != null) onPeerLeft(peerId);
+		};
+		signaling.onError = function(msg) {
+			if (onError != null) onError(msg);
+		};
+		signaling.start();
+
+		#if lnx_datachannel
+		if (eventTimer == null) {
+			eventTimer = new haxe.Timer(10);
+			eventTimer.run = function() RTC.processEvents();
+		}
+		#end
+		return signaling;
+	}
+
+	public function getPeerCount():Int {
+		return Lambda.count(channels);
+	}
+
+	public function close():Void {
+		#if lnx_datachannel
+		if (eventTimer != null) {
+			eventTimer.stop();
+			eventTimer = null;
+		}
+		#end
+		for (s in signalings) s.close();
+		signalings = [];
+		for (id in [for (k in offerPeers.keys()) k])
+			removeOfferPeer(id);
+		for (id in [for (k in peers.keys()) k]) removePeer(id);
+		#if kha_krom
+		dcToOffer.clear();
+		if (rtcInitialized) {
+			RtcNative.cleanup();
+			rtcInitialized = false;
+		}
+		#end
+		#if lnx_datachannel
+		RTC.finalize();
+		#end
+	}
+
+	function onCreateOffer(offerIdHex:String, cb:String -> Void):Void {
+		#if lnx_datachannel
+		var pc = new datachannel.RTCPeerConnection(iceServers, "0.0.0.0");
+		offerPeers.set(offerIdHex, pc);
+		offerPeerIds.set(offerIdHex, {v: null});
+		pc.onStateChange = function(state:RTCState) {
+			if (state == RTC_DISCONNECTED || state == RTC_FAILED
+				|| state == RTC_CLOSED) {
+				removeOfferPeer(offerIdHex);
+			}
+		};
+		var iceComplete = false;
+		var iceTimer:haxe.Timer = null;
+		var sendSdp = function() {
+			if (iceComplete) return;
+			iceComplete = true;
+			if (iceTimer != null) iceTimer.stop();
+			if (!offerPeers.exists(offerIdHex)) return;
+			cb(pc.getLocalDescription());
+		};
+		pc.onGatheringStateChange = function(state) {
+			if (state == RTC_GATHERING_COMPLETE) sendSdp();
+		};
+		var dc = pc.createDatachannelWithOptions(channelLabel, unordered,
+			maxRetransmits < 0 ? null : maxRetransmits, null);
+		attachOfferChannel(offerIdHex, new DataChannelPeer(dc));
+		pc.onLocalDescription = function(sdp, type) {
+			if (type == "offer") {
+				iceTimer = new haxe.Timer(5000);
+				iceTimer.run = sendSdp;
+			}
+		};
+
+		#elseif kha_krom
+		var pcId = RtcNative.createPeerConnection(iceServers);
+		offerPeers.set(offerIdHex, pcId);
+		offerPeerIds.set(offerIdHex, {v: null});
+		RtcNative.setStateChangeCallback(pcId, function(state:Int) {
+			if (state == RtcNative.RTC_DISCONNECTED
+				|| state == RtcNative.RTC_FAILED
+				|| state == RtcNative.RTC_CLOSED) {
+				removeOfferPeer(offerIdHex);
+			}
+		});
+		RtcNative.setDataChannelCallback(pcId, function(dcId:Int) {
+			dcToOffer.set(dcId, offerIdHex);
+			attachOfferChannel(offerIdHex, new DataChannelPeer(dcId));
+		});
+		var dcId = RtcNative.createDataChannel(pcId, channelLabel,
+			unordered, maxRetransmits);
+		dcToOffer.set(dcId, offerIdHex);
+		attachOfferChannel(offerIdHex, new DataChannelPeer(dcId));
+		var iceComplete = false;
+		var iceTimer:haxe.Timer = null;
+		var sendSdp = function() {
+			if (iceComplete) return;
+			iceComplete = true;
+			if (iceTimer != null) iceTimer.stop();
+			if (!offerPeers.exists(offerIdHex)) return;
+			cb(RtcNative.getLocalDescription(pcId));
+		};
+		RtcNative.setGatheringStateCallback(pcId, function(state:Int) {
+			if (state == RtcNative.RTC_GATHERING_COMPLETE) sendSdp();
+		});
+		RtcNative.setLocalDescriptionCallback(pcId,
+			function(sdp:String, type:String) {
+			if (type == "offer") {
+				iceTimer = new haxe.Timer(5000);
+				iceTimer.run = sendSdp;
+			}
+		});
+
+		#elseif js
+		var rtcConfig:Dynamic = {
+			iceServers: iceServers.map(function(s) return {urls: s}),
+			sdpSemantics: 'unified-plan'
+		};
+		var pc = new PeerConnection(rtcConfig);
+		offerPeers.set(offerIdHex, pc);
+		offerPeerIds.set(offerIdHex, {v: null});
+		pc.oniceconnectionstatechange = function(_) {
+			var state = pc.iceConnectionState;
+			if (state == IceConnectionState.FAILED
+				|| state == IceConnectionState.DISCONNECTED
+				|| state == IceConnectionState.CLOSED) {
+				removeOfferPeer(offerIdHex);
+			}
+		};
+		var dc = pc.createDataChannel(channelLabel,
+			{ordered: !unordered, maxRetransmits: unordered ? maxRetransmits : null});
+		attachOfferChannel(offerIdHex, new DataChannelPeer(dc));
+		var iceComplete = false;
+		var iceTimer:haxe.Timer = null;
+		var sendSdp = function() {
+			if (iceComplete) return;
+			iceComplete = true;
+			if (iceTimer != null) iceTimer.stop();
+			var localDesc = pc.localDescription;
+			cb(localDesc != null ? localDesc.sdp : null);
+		};
+		pc.onicegatheringstatechange = function(_) {
+			if (pc.iceGatheringState == IceGatheringState.COMPLETE) sendSdp();
+		};
+		pc.createOffer({}).then(function(offer) {
+			pc.setLocalDescription(offer).then(function(_) {
+				iceTimer = new haxe.Timer(5000);
+				iceTimer.run = sendSdp;
+			});
+		}, function(e) {
+			if (onError != null) onError("onCreateOffer: " + Std.string(e));
+		});
+		#end
+	}
+
+	function onRemoteOffer(sig:RtcSignaling, peerIdHex:String, offerIdHex:String, offer:Dynamic):Void {
+		var sdp:String = offer.sdp != null ? offer.sdp : offer;
+		#if lnx_datachannel
+		var pc = new datachannel.RTCPeerConnection(iceServers, "0.0.0.0");
+		offerPeers.set(offerIdHex, pc);
+		offerPeerIds.set(offerIdHex, {v: peerIdHex});
+		pc.onStateChange = function(state:RTCState) {
+			if (state == RTC_DISCONNECTED || state == RTC_FAILED
+				|| state == RTC_CLOSED) {
+				removeOfferPeer(offerIdHex);
+			}
+		};
+		pc.onDataChannel = function(dc) {
+			attachOfferChannel(offerIdHex, new DataChannelPeer(dc));
+		};
+		var iceComplete = false;
+		var iceTimer:haxe.Timer = null;
+		var sendAnswerSdp = function() {
+			if (iceComplete) return;
+			iceComplete = true;
+			if (iceTimer != null) iceTimer.stop();
+			if (!offerPeers.exists(offerIdHex)) return;
+			sig.sendAnswer(peerIdHex, offerIdHex, pc.getLocalDescription());
+		};
+		pc.onGatheringStateChange = function(state) {
+			if (state == RTC_GATHERING_COMPLETE) sendAnswerSdp();
+		};
+		pc.onLocalDescription = function(desc, type) {
+			if (type == "answer") {
+				iceTimer = new haxe.Timer(5000);
+				iceTimer.run = sendAnswerSdp;
+			}
+		};
+		try {
+			pc.setRemoteDescription(sdp, "offer");
+		} catch(e:Dynamic) {
+			removeOfferPeer(offerIdHex);
+			if (onError != null) onError("onRemoteOffer: " + Std.string(e));
+		}
+
+		#elseif kha_krom
+		var pcId = RtcNative.createPeerConnection(iceServers);
+		offerPeers.set(offerIdHex, pcId);
+		offerPeerIds.set(offerIdHex, {v: peerIdHex});
+		RtcNative.setStateChangeCallback(pcId, function(state:Int) {
+			if (state == RtcNative.RTC_DISCONNECTED
+				|| state == RtcNative.RTC_FAILED
+				|| state == RtcNative.RTC_CLOSED) {
+				removeOfferPeer(offerIdHex);
+			}
+		});
+		RtcNative.setDataChannelCallback(pcId, function(dcId:Int) {
+			dcToOffer.set(dcId, offerIdHex);
+			attachOfferChannel(offerIdHex, new DataChannelPeer(dcId));
+		});
+		var iceComplete = false;
+		var iceTimer:haxe.Timer = null;
+		var sendAnswerSdp = function() {
+			if (iceComplete) return;
+			iceComplete = true;
+			if (iceTimer != null) iceTimer.stop();
+			if (!offerPeers.exists(offerIdHex)) return;
+			sig.sendAnswer(peerIdHex, offerIdHex, RtcNative.getLocalDescription(pcId));
+		};
+		RtcNative.setGatheringStateCallback(pcId, function(state:Int) {
+			if (state == RtcNative.RTC_GATHERING_COMPLETE) sendAnswerSdp();
+		});
+		RtcNative.setLocalDescriptionCallback(pcId,
+			function(sdp:String, type:String) {
+			if (type == "answer") {
+				iceTimer = new haxe.Timer(5000);
+				iceTimer.run = sendAnswerSdp;
+			}
+		});
+		var srd = RtcNative.setRemoteDescription(pcId, sdp, "offer");
+		if (srd < 0) {
+			removeOfferPeer(offerIdHex);
+			if (onError != null) {
+				onError("onRemoteOffer: setRemoteDescription failed");
+			}
+			return;
+		}
+
+		#elseif js
+		var rtcConfig:Dynamic = {
+			iceServers: iceServers.map(function(s) return {urls: s}),
+			sdpSemantics: 'unified-plan'
+		};
+		var pc = new PeerConnection(rtcConfig);
+		offerPeers.set(offerIdHex, pc);
+		offerPeerIds.set(offerIdHex, {v: peerIdHex});
+		pc.oniceconnectionstatechange = function(_) {
+			var state = pc.iceConnectionState;
+			if (state == IceConnectionState.FAILED
+				|| state == IceConnectionState.DISCONNECTED
+				|| state == IceConnectionState.CLOSED) {
+				removeOfferPeer(offerIdHex);
+			}
+		};
+		pc.ondatachannel = function(e:DataChannelEvent) {
+			attachOfferChannel(offerIdHex, new DataChannelPeer(e.channel));
+		};
+		var iceComplete = false;
+		var iceTimer:haxe.Timer = null;
+		var sendAnswerSdp = function() {
+			if (iceComplete) return;
+			iceComplete = true;
+			if (iceTimer != null) iceTimer.stop();
+			var localDesc = pc.localDescription;
+			sig.sendAnswer(peerIdHex, offerIdHex,
+				localDesc != null ? localDesc.sdp : null);
+		};
+		pc.onicegatheringstatechange = function(_) {
+			if (pc.iceGatheringState == IceGatheringState.COMPLETE) {
+				sendAnswerSdp();
+			}
+		};
+		pc.setRemoteDescription(
+			new SessionDescription({type: SdpType.OFFER, sdp: sdp}))
+		.then(function(_) {
+			pc.createAnswer().then(function(answer) {
+				pc.setLocalDescription(answer).then(function(_) {
+					iceTimer = new haxe.Timer(5000);
+					iceTimer.run = sendAnswerSdp;
+				});
+			});
+		}, function(e) {
+			if (onError != null) onError("onRemoteOffer: " + Std.string(e));
+		});
+		#end
+	}
+
+	function onRemoteAnswer(peerIdHex:String, offerIdHex:String, answer:Dynamic):Void {
+		var sdp:String = answer.sdp != null ? answer.sdp : answer;
+		var box = offerPeerIds.get(offerIdHex);
+		if (box != null) box.v = peerIdHex;
+		var pc = offerPeers.get(offerIdHex);
+		if (pc == null) return;
+		#if lnx_datachannel
+		try {
+			pc.setRemoteDescription(sdp, "answer");
+		} catch(e:Dynamic) {
+			removeOfferPeer(offerIdHex);
+			if (onError != null) onError("onRemoteAnswer: " + Std.string(e));
+			return;
+		}
+		#elseif kha_krom
+		var srd = RtcNative.setRemoteDescription(pc, sdp, "answer");
+		if (srd < 0) {
+			removeOfferPeer(offerIdHex);
+			if (onError != null) {
+				onError("onRemoteAnswer: setRemoteDescription failed");
+			}
+			return;
+		}
+		#elseif js
+		pc.setRemoteDescription(
+			new SessionDescription({type: SdpType.ANSWER, sdp: sdp}))
+		.then(function(_) {
+			promoteOfferPeer(offerIdHex);
+		}, function(e) {
+			if (onError != null) onError("onRemoteAnswer: " + Std.string(e));
+		});
+		return;
+		#end
+		promoteOfferPeer(offerIdHex);
+	}
+
+	function attachOfferChannel(offerIdHex:String, ch:IPeerChannel):Void {
+		offerChannels.set(offerIdHex, ch);
+		var resolvedPeerId:String = null;
+		var fired = false;
+		ch.onOpen = function() {
+			var box = offerPeerIds.get(offerIdHex);
+			resolvedPeerId = box != null ? box.v : null;
+			if (resolvedPeerId == null) {
+				resolvedPeerId = promotedPeerIds.get(offerIdHex);
+			}
+			promoteOfferPeer(offerIdHex);
+			if (resolvedPeerId != null && !fired) {
+				fired = true;
+				firePeerChannel(resolvedPeerId, ch);
+			}
+		};
+		ch.onClose = function() {
+			offerChannels.remove(offerIdHex);
+			if (resolvedPeerId != null && channels.get(resolvedPeerId) == ch) {
+				removePeer(resolvedPeerId);
+			} else {
+				removeOfferPeer(offerIdHex);
+			}
+		};
+		if (ch.isOpen) ch.onOpen();
+	}
+
+	function firePeerChannel(peerId:String, ch:IPeerChannel):Void {
+		if (onPeerChannel != null) onPeerChannel(peerId, ch);
+	}
+
+	function promoteOfferPeer(offerIdHex:String):Void {
+		if (!offerPeers.exists(offerIdHex)) return;
+		var box = offerPeerIds.get(offerIdHex);
+		if (box == null || box.v == null) return;
+		var peerId = box.v;
+		if (peers.exists(peerId)) {
+			removeOfferPeer(offerIdHex);
+			return;
+		}
+		promotedPeerIds.set(offerIdHex, peerId);
+		var pc = offerPeers.get(offerIdHex);
+		var ch = offerChannels.get(offerIdHex);
+		peers.set(peerId, pc);
+		if (ch != null) channels.set(peerId, ch);
+		offerPeers.remove(offerIdHex);
+		offerChannels.remove(offerIdHex);
+		offerPeerIds.remove(offerIdHex);
+		#if kha_krom
+		for (dcId in [for (k in dcToOffer.keys()) k]) {
+			if (dcToOffer.get(dcId) == offerIdHex) {
+				dcToOffer.set(dcId, peerId);
+			}
+		}
+		#end
+	}
+
+	function removeOfferPeer(offerIdHex:String):Void {
+		var pc = offerPeers.get(offerIdHex);
+		if (pc != null) closePc(pc);
+		var ch = offerChannels.get(offerIdHex);
+		if (ch != null) ch.close();
+		offerPeers.remove(offerIdHex);
+		offerChannels.remove(offerIdHex);
+		offerPeerIds.remove(offerIdHex);
+		promotedPeerIds.remove(offerIdHex);
+		#if kha_krom
+		for (dcId in [for (k in dcToOffer.keys()) k]) {
+			if (dcToOffer.get(dcId) == offerIdHex) dcToOffer.remove(dcId);
+		}
+		#end
+	}
+
+	function removePeer(peerId:String):Void {
+		if (!peers.exists(peerId)) return;
+		closePc(peers.get(peerId));
+		var ch = channels.get(peerId);
+		if (ch != null) ch.close();
+		peers.remove(peerId);
+		channels.remove(peerId);
+		for (offerId in [for (k in promotedPeerIds.keys()) k]) {
+			if (promotedPeerIds.get(offerId) == peerId) {
+				promotedPeerIds.remove(offerId);
+			}
+		}
+		#if kha_krom
+		for (dcId in [for (k in dcToOffer.keys()) k]) {
+			if (dcToOffer.get(dcId) == peerId) dcToOffer.remove(dcId);
+		}
+		#end
+	}
+
+	function closePc(pc:Dynamic):Void {
+		#if lnx_datachannel
+		try pc.close() catch(e:Dynamic) {}
+		#elseif kha_krom
+		try {
+			RtcNative.closePeerConnection(pc);
+			RtcNative.deletePeerConnection(pc);
+		} catch(e:Dynamic) {}
+		#elseif js
+		try pc.close() catch(e:Dynamic) {}
+		#end
+	}
+}

leenkx/Sources/leenkx/network/torrent/peer/TcpListener.hx

@@ -0,0 +1,179 @@
+package leenkx.network.torrent.peer;
+
+import haxe.io.Bytes;
+
+#if (sys || kha_krom)
+class TcpListener {
+	public var onPeer:IPeerChannel -> String -> String -> Void;
+	public var onError:String -> Void;
+
+	var port:Int;
+	var stopped = false;
+
+	public function new(port:Int = 6881) {
+		this.port = port;
+	}
+
+#if sys
+	var server:sys.net.Socket = null;
+
+	public function start():Void {
+		server = new sys.net.Socket();
+		server.bind(new sys.net.Host("0.0.0.0"), port);
+		server.listen(50);
+		var self = this;
+		sys.thread.Thread.create(function() {
+			while (!self.stopped) {
+				var s:sys.net.Socket = null;
+				try {
+					s = self.server.accept();
+				} catch(e:Dynamic) {
+					if (self.stopped) break;
+					if (self.onError != null) {
+						self.onError("accept: " + e);
+					}
+					Sys.sleep(0.05);
+					continue;
+				}
+				self.handleAccepted(s);
+			}
+		});
+	}
+
+	public function stop():Void {
+		stopped = true;
+		if (server != null) {
+			try server.close() catch(e:Dynamic) {}
+			server = null;
+		}
+	}
+
+	function handleAccepted(s:sys.net.Socket):Void {
+		var self = this;
+		sys.thread.Thread.create(function() {
+			var head = readHandshake(s);
+			if (head == null) {
+				try s.close() catch(e:Dynamic) {}
+				return;
+			}
+			var ih = head.sub(28, 20);
+			var hex = leenkx.network.torrent.Crypto.toHex(ih);
+			var peer = s.peer();
+			var key = "tcp:" + peer.host.toString() + ":" + peer.port;
+			leenkx.network.torrent.TorrentClient.postMain(function() {
+				if (self.stopped || self.onPeer == null) {
+					try s.close() catch(e:Dynamic) {}
+					return;
+				}
+				var ch = new TcpPeer("", 0, s, head);
+				self.onPeer(ch, hex, key);
+			});
+		});
+	}
+
+	function readHandshake(s:sys.net.Socket):Bytes {
+		s.setTimeout(10);
+		var buf = new haxe.io.BytesBuffer();
+		var deadline = haxe.Timer.stamp() + 10;
+		while (buf.length < 68) {
+			try {
+				var tmp = Bytes.alloc(68 - buf.length);
+				var n = s.input.readBytes(tmp, 0, tmp.length);
+				if (n <= 0) return null;
+				buf.addBytes(tmp, 0, n);
+			} catch(e:Dynamic) {
+				if (!TcpPeer.isBlocked(e)) return null;
+				if (haxe.Timer.stamp() > deadline) return null;
+			}
+		}
+		var b = buf.getBytes();
+		if (b.get(0) != 19
+				|| b.sub(1, 19).toString() != "BitTorrent protocol") {
+			return null;
+		}
+		return b;
+	}
+#elseif kha_krom
+	var server:leenkx.network.krom.KromSocket = null;
+	var pumpRef:Void -> Void = null;
+	var pending:Array<{sock:leenkx.network.krom.KromSocket,
+		buf:haxe.io.BytesBuffer, deadline:Float}> = [];
+
+	public function start():Void {
+		server = new leenkx.network.krom.KromSocket();
+		server.bind(new leenkx.network.krom.KromSocket.KromHost(
+			"0.0.0.0"), port);
+		server.listen(50);
+		server.setBlocking(false);
+		pumpRef = pump;
+		leenkx.network.krom.KromSocket.KromPump.add(pumpRef);
+	}
+
+	public function stop():Void {
+		stopped = true;
+		if (pumpRef != null) {
+			leenkx.network.krom.KromSocket.KromPump.remove(pumpRef);
+			pumpRef = null;
+		}
+		for (p in pending) try p.sock.close() catch(e:Dynamic) {}
+		pending = [];
+		if (server != null) {
+			server.close();
+			server = null;
+		}
+	}
+
+	function pump():Void {
+		if (stopped || server == null) return;
+		while (true) {
+			var s:leenkx.network.krom.KromSocket = null;
+			try {
+				s = server.accept();
+			} catch(e:Dynamic) {
+				break; 
+			}
+			if (s == null) break;
+			s.setBlocking(false);
+			pending.push({
+				sock: s,
+				buf: new haxe.io.BytesBuffer(),
+				deadline: haxe.Timer.stamp() + 10
+			});
+		}
+		var i = pending.length;
+		while (i-- > 0) {
+			var p = pending[i];
+			try {
+				var d = p.sock.recvRaw(68 - p.buf.length);
+				if (d != null) p.buf.addBytes(d, 0, d.length);
+			} catch(e:Dynamic) {
+				p.sock.close();
+				pending.splice(i, 1);
+				continue;
+			}
+			if (p.buf.length >= 68) {
+				pending.splice(i, 1);
+				routePeer(p.sock, p.buf.getBytes());
+			} else if (haxe.Timer.stamp() > p.deadline) {
+				p.sock.close();
+				pending.splice(i, 1);
+			}
+		}
+	}
+
+	function routePeer(s:leenkx.network.krom.KromSocket, head:Bytes):Void {
+		if (head.get(0) != 19
+				|| head.sub(1, 19).toString() != "BitTorrent protocol"
+				|| stopped || onPeer == null) {
+			s.close();
+			return;
+		}
+		var ih = head.sub(28, 20);
+		var hex = leenkx.network.torrent.Crypto.toHex(ih);
+		var key = "krom:" + s.getSocketId();
+		var ch = new TcpPeer("", 0, s, head);
+		onPeer(ch, hex, key);
+	}
+#end
+}
+#end

leenkx/Sources/leenkx/network/torrent/peer/TcpPeer.hx

@@ -0,0 +1,406 @@
+package leenkx.network.torrent.peer;
+
+import haxe.io.Bytes;
+
+#if (sys || kha_krom)
+class TcpPeer implements IPeerChannel {
+	public var onOpen:Void -> Void;
+	public var onData:Bytes -> Void;
+	public var onClose:Void -> Void;
+
+	static var peers:Array<TcpPeer> = [];
+	#if sys
+	static var peersMutex = new sys.thread.Mutex();
+	static var ioThread:sys.thread.Thread = null;
+	static var wakeRecv:sys.net.UdpSocket = null;
+	static var wakeAddr:sys.net.Address = null;
+#elseif kha_krom
+	static var pumpTickRef:Void -> Void = null;
+	#end
+
+	var open = false;
+	var dead = false;
+	var pendingSend:Array<Bytes> = [];
+	#if sys
+	var sendMutex = new sys.thread.Mutex();
+	#end
+	var head:Bytes = null;
+	var readBuf:Bytes = Bytes.alloc(65536);
+	#if kha_krom
+	var connectDeadline:Float = 0;
+	#end
+
+	#if kha_krom
+	var socket:leenkx.network.krom.KromSocket;
+	#else
+	var socket:sys.net.Socket;
+	#end
+
+	public var isOpen(get, never):Bool;
+	function get_isOpen():Bool return open;
+
+	public function new(host:String, port:Int, ?acceptedSocket:Dynamic, ?headData:Bytes) {
+		if (acceptedSocket != null) {
+			socket = acceptedSocket;
+			head = headData;
+			socket.setBlocking(false);
+			open = true;
+			startPump();
+			var self = this;
+			leenkx.network.torrent.TorrentClient.postMain(function() {
+				if (self.onOpen != null) self.onOpen();
+			});
+			return;
+		}
+		#if kha_krom
+		socket = new leenkx.network.krom.KromSocket();
+		socket.setBlocking(false);
+		var connectFailed = false;
+		try {
+			socket.connect(
+				new leenkx.network.krom.KromSocket.KromHost(host), port);
+		} catch(e:Dynamic) {
+			connectFailed = true;
+		}
+		if (connectFailed) {
+			dead = true;
+			return;
+		}
+		if (socket.isConnected()) {
+			open = true;
+			startPump();
+			if (onOpen != null) onOpen();
+		} else {
+			connectDeadline = haxe.Timer.stamp() + 10;
+			startPump();
+		}
+		#else
+		var self = this;
+		sys.thread.Thread.create(function() {
+			var s = new sys.net.Socket();
+			var err:Dynamic = null;
+			try {
+				s.connect(new sys.net.Host(host), port);
+				s.setBlocking(false);
+			} catch(e:Dynamic) {
+				err = e;
+			}
+			leenkx.network.torrent.TorrentClient.postMain(function() {
+				if (self.dead) {
+					try s.close() catch(e:Dynamic) {}
+					return;
+				}
+				if (err != null) {
+					self.dead = true;
+					if (self.onClose != null) self.onClose();
+					return;
+				}
+				self.socket = s;
+				self.open = true;
+				self.startPump();
+				if (self.onOpen != null) self.onOpen();
+			});
+		});
+		#end
+	}
+
+	function fail():Void {
+		dead = true;
+		open = false;
+		stopPump();
+		if (onClose != null) onClose();
+	}
+
+	function deliverHead():Void {
+		if (head == null || onData == null) return;
+		var d = head;
+		head = null;
+		onData(d);
+	}
+
+	#if sys
+	function startPump():Void register(this);
+	function stopPump():Void unregister(this);
+
+	static function register(p:TcpPeer):Void {
+		peersMutex.acquire();
+		if (!peers.contains(p)) peers.push(p);
+		if (ioThread == null) {
+			wakeRecv = new sys.net.UdpSocket();
+			wakeRecv.bind(new sys.net.Host("127.0.0.1"), 0);
+			wakeRecv.setBlocking(false);
+			var h = wakeRecv.host();
+			wakeAddr = new sys.net.Address();
+			wakeAddr.host = h.host.ip;
+			wakeAddr.port = h.port;
+			ioThread = sys.thread.Thread.create(ioLoop);
+		}
+		peersMutex.release();
+		ioWake();
+	}
+
+	static function unregister(p:TcpPeer):Void {
+		peersMutex.acquire();
+		peers.remove(p);
+		peersMutex.release();
+		ioWake();
+	}
+
+	static function ioWake():Void {
+		if (wakeAddr == null) return;
+		try {
+			wakeRecv.sendTo(Bytes.alloc(1), 0, 1, wakeAddr);
+		} catch(e:Dynamic) {}
+	}
+
+	static function ioLoop():Void {
+		var wakeBuf = Bytes.alloc(64);
+		while (true) {
+			peersMutex.acquire();
+			var snapshot = peers.copy();
+			peersMutex.release();
+			for (p in snapshot) {
+				try {
+					p.deliverHead();
+				} catch(e:Dynamic) {
+					trace("[TcpPeer.ioLoop] deliverHead threw: " + e);
+				}
+			}
+			var reads:Array<sys.net.Socket> = [wakeRecv];
+			var writes:Array<sys.net.Socket> = [];
+			for (p in snapshot) {
+				if (p.dead || p.socket == null) continue;
+				reads.push(p.socket);
+				p.sendMutex.acquire();
+				var hasPending = p.pendingSend.length > 0;
+				p.sendMutex.release();
+				if (hasPending) writes.push(p.socket);
+			}
+			var res = try {
+				sys.net.Socket.select(reads, writes, null, 0.1);
+			} catch(e:Dynamic) {
+				null;
+			}
+			if (res == null) continue;
+			if (res.read.contains(wakeRecv)) {
+				try {
+					while (wakeRecv.readFrom(wakeBuf, 0, 64,
+						new sys.net.Address()) > 0) {}
+				} catch(e:Dynamic) {}
+			}
+			for (s in res.read) {
+				if (s == wakeRecv) continue;
+				for (p in snapshot) {
+					if (p.socket == s && !p.dead) {
+						try {
+							p.ioRead();
+						} catch(e:Dynamic) {
+							trace("[TcpPeer.ioLoop] ioRead threw: "
+								+ e);
+							p.fail();
+						}
+					}
+				}
+			}
+			for (s in res.write) {
+				for (p in snapshot) {
+					if (p.socket == s && !p.dead) {
+						try {
+							p.ioWrite();
+						} catch(e:Dynamic) {
+							trace("[TcpPeer.ioLoop] ioWrite threw: "
+								+ e);
+							p.fail();
+						}
+					}
+				}
+			}
+			peersMutex.acquire();
+			var i = peers.length;
+			while (i-- > 0) {
+				if (peers[i].dead) peers.splice(i, 1);
+			}
+			peersMutex.release();
+		}
+	}
+
+	function ioRead():Void {
+		try {
+			while (true) {
+				var read = socket.input.readBytes(readBuf, 0,
+					readBuf.length);
+				if (read <= 0) {
+					fail();
+					return;
+				}
+				if (onData != null) onData(readBuf.sub(0, read));
+			}
+		} catch(e:Dynamic) {
+			if (isBlocked(e)) return;
+			fail();
+		}
+	}
+
+	function ioWrite():Void {
+		flushPending();
+	}
+#elseif kha_krom
+	function startPump():Void {
+		if (pumpTickRef == null) {
+			pumpTickRef = pumpAll;
+			leenkx.network.krom.KromSocket.KromPump.add(pumpTickRef);
+		}
+		peers.push(this);
+	}
+
+	function stopPump():Void {
+		peers.remove(this);
+		if (peers.length == 0 && pumpTickRef != null) {
+			leenkx.network.krom.KromSocket.KromPump.remove(pumpTickRef);
+			pumpTickRef = null;
+		}
+	}
+
+	static function pumpAll():Void {
+		var i = peers.length;
+		while (i-- > 0) {
+			if (peers[i].dead) peers.splice(i, 1);
+		}
+		var snapshot = peers.copy();
+		for (p in snapshot) {
+			if (!p.dead) p.pumpTick();
+		}
+		if (peers.length == 0 && pumpTickRef != null) {
+			leenkx.network.krom.KromSocket.KromPump.remove(pumpTickRef);
+			pumpTickRef = null;
+		}
+	}
+
+	function pumpTick():Void {
+		if (dead) return;
+		if (connectDeadline > 0) {
+			if (socket.isConnected()) {
+				connectDeadline = 0;
+				open = true;
+				var queued = pendingSend;
+				pendingSend = [];
+				for (d in queued) send(d);
+				if (onOpen != null) onOpen();
+			} else if (haxe.Timer.stamp() > connectDeadline) {
+				connectDeadline = 0;
+				fail();
+			}
+			return;
+		}
+		deliverHead();
+		flushPending();
+		if (dead) return;
+		try {
+			while (true) {
+				var data = socket.recvRaw(readBuf.length);
+				if (data == null || data.length == 0) break;
+				if (onData != null) onData(data);
+			}
+		} catch(e:Dynamic) {
+			if (isBlocked(e)) return;
+			fail();
+		}
+	}
+#end
+
+	#if sys
+	public function send(data:Bytes):Void {
+		if (dead) return;
+		sendMutex.acquire();
+		pendingSend.push(data);
+		sendMutex.release();
+		ioWake();
+	}
+	#else
+	public function send(data:Bytes):Void {
+		if (dead) return;
+		if (!open || pendingSend.length > 0) {
+			pendingSend.push(data);
+			return;
+		}
+		try {
+			var written = socket.sendRaw(data);
+			if (written < data.length) {
+				pendingSend.push(data.sub(written, data.length - written));
+			}
+		} catch(e:Dynamic) {
+			if (isBlocked(e)) {
+				pendingSend.push(data);
+				return;
+			}
+			dead = true;
+			open = false;
+			stopPump();
+			if (onClose != null) onClose();
+		}
+	}
+	#end
+
+	public static function isBlocked(e:Dynamic):Bool {
+		var msg = Std.string(e);
+		if (msg == "Blocking" || msg == "Blocked") return true;
+		if (Std.isOfType(e, haxe.io.Error)
+			&& (e:haxe.io.Error).match(haxe.io.Error.Blocked)) return true;
+		if (msg.indexOf("Unix_error(37") == 0) return true;
+		return false;
+	}
+
+	#if sys
+	function flushPending():Void {
+		while (open && !dead) {
+			sendMutex.acquire();
+			var empty = pendingSend.length == 0;
+			var d = empty ? null : pendingSend[0];
+			sendMutex.release();
+			if (empty) return;
+			try {
+				var written = socket.output.writeBytes(d, 0, d.length);
+				socket.output.flush();
+				sendMutex.acquire();
+				if (written < d.length) {
+					pendingSend[0] = d.sub(written, d.length - written);
+				} else {
+					pendingSend.shift();
+				}
+				sendMutex.release();
+				if (written < d.length) return;
+			} catch(e:Dynamic) {
+				if (isBlocked(e)) return;
+				fail();
+				return;
+			}
+		}
+	}
+	#else
+	function flushPending():Void {
+		while (open && !dead && pendingSend.length > 0) {
+			var d = pendingSend[0];
+			try {
+				var written = socket.sendRaw(d);
+				if (written < d.length) {
+					pendingSend[0] = d.sub(written, d.length - written);
+					break;
+				}
+				pendingSend.shift();
+			} catch(e:Dynamic) {
+				if (isBlocked(e)) break;
+				fail();
+				break;
+			}
+		}
+	}
+	#end
+
+	public function close():Void {
+		open = false;
+		dead = true;
+		stopPump();
+		try socket.close() catch(e:Dynamic) {}
+	}
+}
+#end

leenkx/Sources/leenkx/network/torrent/peer/WireProtocol.hx

@@ -0,0 +1,424 @@
+package leenkx.network.torrent.peer;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.Bencode;
+
+class WireProtocol {
+	static inline var PSTR = "BitTorrent protocol";
+	static inline var BLOCK_SIZE = 16384;
+	static inline var MAX_MSG_LEN = 256 * 1024;
+
+	public static inline var MSG_CHOKE = 0;
+	public static inline var MSG_UNCHOKE = 1;
+	public static inline var MSG_INTERESTED = 2;
+	public static inline var MSG_NOT_INTERESTED = 3;
+	public static inline var MSG_HAVE = 4;
+	public static inline var MSG_BITFIELD = 5;
+	public static inline var MSG_REQUEST = 6;
+	public static inline var MSG_PIECE = 7;
+	public static inline var MSG_CANCEL = 8;
+	public static inline var MSG_PORT = 9;
+	public static inline var MSG_EXTENDED = 20;
+	public static inline var MSG_HASH_REQUEST = 21;
+	public static inline var MSG_HASHES = 22;
+	public static inline var MSG_HASH_REJECT = 23;
+
+	var channel:IPeerChannel;
+	var infoHash:Bytes;
+	var peerId:Bytes;
+	var buffer:haxe.io.BytesBuffer = new haxe.io.BytesBuffer();
+	var handshakeDone = false;
+	var handshakeSent = false;
+	var started = false;
+	var closed = false;
+
+	public var extIds:Map<String, Int> = [];
+	public var peerExtendedHandshake:Dynamic = null;
+	public var remotePeerId:String = null;
+	public var peerChoking = true;
+	public var peerInterested = false;
+	public var amChoking = true;
+	public var amInterested = false;
+
+	var localExtNames:Array<String> = [];
+	var localExtIds:Map<Int, String> = [];
+
+	public var onHandshake:String -> Void; 
+	public var onExtendedHandshake:Dynamic -> Void;
+	public var onChoke:Void -> Void;
+	public var onUnchoke:Void -> Void;
+	public var onInterested:Void -> Void;
+	public var onNotInterested:Void -> Void;
+	public var onHave:Int -> Void;
+	public var onBitfield:Bytes -> Void;
+	public var onRequest:Int -> Int -> Int -> Void;
+	public var onPiece:Int -> Int -> Bytes -> Void;
+	public var onCancel:Int -> Int -> Int -> Void;
+	public var onExtended:String -> Bytes -> Void;
+	public var onHashRequest:Bytes -> Void;
+	public var onHashes:Bytes -> Void;
+	public var onHashReject:Bytes -> Void;
+	public var onClose:Void -> Void;
+	public var onError:String -> Void;
+
+	public function new(channel:IPeerChannel, infoHash:Bytes, peerId:Bytes) {
+		this.channel = channel;
+		this.infoHash = infoHash;
+		this.peerId = peerId;
+		channel.onData = onChannelData;
+		var prevClose = channel.onClose;
+		channel.onClose = function() {
+			if (prevClose != null) prevClose();
+			closed = true;
+			if (onClose != null) onClose();
+		};
+	}
+
+	public function start(extNames:Array<String>):Void {
+		localExtNames = extNames;
+		started = true;
+		sendHandshake();
+		pump();
+	}
+
+	function sendHandshake():Void {
+		if (handshakeSent) return;
+		handshakeSent = true;
+		var out = new haxe.io.BytesBuffer();
+		out.addByte(PSTR.length);
+		out.addString(PSTR);
+		var reserved = Bytes.alloc(8);
+		reserved.set(5, 0x10); 
+		out.addBytes(reserved, 0, 8);
+		out.addBytes(infoHash, 0, 20);
+		out.addBytes(peerId, 0, 20);
+		channel.send(out.getBytes());
+	}
+
+	var parsing = false;
+
+	function onChannelData(data:Bytes):Void {
+		if (closed) return;
+		buffer.addBytes(data, 0, data.length);
+		if (!started) return;
+		pump();
+	}
+
+	function pump():Void {
+		if (parsing) return;
+		parsing = true;
+		while (!closed) {
+			var bytes = buffer.getBytes();
+			buffer = new haxe.io.BytesBuffer();
+			if (bytes.length == 0) break;
+			var consumed = parse(bytes);
+			if (consumed < bytes.length) {
+				var nested = buffer.getBytes();
+				buffer = new haxe.io.BytesBuffer();
+				buffer.addBytes(bytes, consumed, bytes.length - consumed);
+				buffer.addBytes(nested, 0, nested.length);
+				if (consumed == 0 && nested.length == 0) break;
+			}
+		}
+		parsing = false;
+	}
+
+	function parse(data:Bytes):Int {
+		var pos = 0;
+		if (!handshakeDone) {
+			if (data.length < 68) return 0;
+			var pstrLen = data.get(0);
+			if (pstrLen != PSTR.length) {
+				fail("bad pstr length");
+				return data.length;
+			}
+			var pstr = data.sub(1, pstrLen).toString();
+			if (pstr != PSTR) {
+				fail("bad pstr");
+				return data.length;
+			}
+			var ihOff = 1 + pstrLen + 8;
+			var remoteHash = data.sub(ihOff, 20);
+			if (!bytesEqual(remoteHash, infoHash)) {
+				fail("info_hash mismatch");
+				return data.length;
+			}
+			remotePeerId = leenkx.network.torrent.Crypto.toHex(
+				data.sub(ihOff + 20, 20));
+			handshakeDone = true;
+			pos = ihOff + 40; 
+			sendHandshake();
+			sendExtendedHandshake();
+			if (onHandshake != null) onHandshake(remotePeerId);
+		}
+		while (pos + 4 <= data.length) {
+			var len = (data.get(pos) << 24) | (data.get(pos + 1) << 16)
+				| (data.get(pos + 2) << 8) | data.get(pos + 3);
+			if (len < 0 || len > MAX_MSG_LEN || pos + 4 + len > data.length) break;
+			var msgStart = pos;
+			pos += 4;
+			if (len > 0) {
+				var mid = data.get(pos);
+				handleMessage(mid, data.sub(pos + 1, len - 1));
+			}
+			pos += len;
+		}
+		return pos;
+	}
+
+	function handleMessage(id:Int, payload:Bytes):Void {
+		switch (id) {
+			case MSG_CHOKE:
+				peerChoking = true;
+				if (onChoke != null) onChoke();
+			case MSG_UNCHOKE:
+				peerChoking = false;
+				if (onUnchoke != null) onUnchoke();
+			case MSG_INTERESTED:
+				peerInterested = true;
+				if (onInterested != null) onInterested();
+			case MSG_NOT_INTERESTED:
+				peerInterested = false;
+				if (onNotInterested != null) onNotInterested();
+			case MSG_HAVE:
+				if (payload.length >= 4 && onHave != null) {
+					onHave(readInt32(payload, 0));
+				}
+			case MSG_BITFIELD:
+				if (onBitfield != null) onBitfield(payload);
+			case MSG_REQUEST:
+				if (payload.length >= 12 && onRequest != null) {
+					onRequest(readInt32(payload, 0), readInt32(payload, 4),
+						readInt32(payload, 8));
+				}
+			case MSG_PIECE:
+				if (payload.length >= 8 && onPiece != null) {
+					onPiece(readInt32(payload, 0), readInt32(payload, 4),
+						payload.sub(8, payload.length - 8));
+				}
+			case MSG_CANCEL:
+				if (payload.length >= 12 && onCancel != null) {
+					onCancel(readInt32(payload, 0), readInt32(payload, 4),
+						readInt32(payload, 8));
+				}
+			case MSG_EXTENDED:
+				handleExtended(payload);
+			case MSG_HASH_REQUEST:
+				if (payload.length >= 48 && onHashRequest != null) {
+					onHashRequest(payload);
+				}
+			case MSG_HASHES:
+				if (payload.length >= 48 && onHashes != null) {
+					onHashes(payload);
+				}
+			case MSG_HASH_REJECT:
+				if (payload.length >= 48 && onHashReject != null) {
+					onHashReject(payload);
+				}
+			default:
+		}
+	}
+
+	function handleExtended(payload:Bytes):Void {
+		if (payload.length < 1) return;
+		var extId = payload.get(0);
+		var body = payload.sub(1, payload.length - 1);
+		if (extId == 0) {
+			var dict:Dynamic = null;
+			try {
+				dict = Bencode.decode(body);
+			} catch(e:Dynamic) {
+				return;
+			}
+			peerExtendedHandshake = dict;
+			var m:Dynamic = Reflect.field(dict, "m");
+			if (m != null) {
+				for (name in Reflect.fields(m)) {
+					extIds.set(name, Std.int(Reflect.field(m, name)));
+				}
+			}
+			if (onExtendedHandshake != null) onExtendedHandshake(dict);
+		} else {
+			var name = localExtIds.get(extId);
+			if (name != null) {
+				if (onExtended != null) onExtended(name, body);
+			}
+		}
+	}
+
+	function sendExtendedHandshake():Void {
+		var m:Dynamic = {};
+		var id = 1;
+		for (name in localExtNames) {
+			Reflect.setField(m, name, id);
+			localExtIds.set(id, name);
+			id++;
+		}
+		var dict:Dynamic = {m: m, v: "Leenkx 0.1"};
+		if (metaSize > 0) Reflect.setField(dict, "metadata_size", metaSize);
+		if (extHandshakeFields != null) {
+			for (f in Reflect.fields(extHandshakeFields)) {
+				Reflect.setField(dict, f, Reflect.field(extHandshakeFields, f));
+			}
+		}
+		sendExtendedMessage(0, Bencode.encode(dict));
+	}
+
+	public var metaSize:Int = 0;
+	public var extHandshakeFields:Dynamic = null;
+
+	public function sendExtended(name:String, payload:Bytes):Bool {
+		var id = extIds.get(name);
+		if (id == null) return false;
+		var out = new haxe.io.BytesBuffer();
+		out.addByte(id);
+		out.addBytes(payload, 0, payload.length);
+		sendExtendedMessage(-1, out.getBytes());
+		return true;
+	}
+
+	function sendExtendedMessage(id:Int, payload:Bytes):Void {
+		var out = new haxe.io.BytesBuffer();
+		if (id >= 0) out.addByte(id);
+		out.addBytes(payload, 0, payload.length);
+		sendMessage(MSG_EXTENDED, out.getBytes());
+	}
+
+	var keepAliveBuf:Bytes = Bytes.alloc(4);
+
+	public function sendKeepAlive():Void {
+		channel.send(keepAliveBuf);
+	}
+
+	public function sendChoke():Void {
+		amChoking = true;
+		sendMessage(MSG_CHOKE, null);
+	}
+	public function sendUnchoke():Void {
+		amChoking = false;
+		sendMessage(MSG_UNCHOKE, null);
+	}
+	public function sendInterested():Void {
+		amInterested = true;
+		sendMessage(MSG_INTERESTED, null);
+	}
+	public function sendNotInterested():Void {
+		amInterested = false;
+		sendMessage(MSG_NOT_INTERESTED, null);
+	}
+
+	public function sendHave(index:Int):Void {
+		var out = Bytes.alloc(9);
+		writeInt32(out, 0, 5);
+		out.set(4, MSG_HAVE);
+		writeInt32(out, 5, index);
+		channel.send(out);
+	}
+
+	public function sendBitfield(bitfield:Bytes):Void {
+		sendMessage(MSG_BITFIELD, bitfield);
+	}
+
+	public function sendRequest(index:Int, begin:Int, length:Int):Void {
+		var out = Bytes.alloc(17);
+		writeInt32(out, 0, 13);
+		out.set(4, MSG_REQUEST);
+		writeInt32(out, 5, index);
+		writeInt32(out, 9, begin);
+		writeInt32(out, 13, length);
+		channel.send(out);
+	}
+
+	public function sendPiece(index:Int, begin:Int, data:Bytes):Void {
+		var total = 13 + data.length;
+		var out = Bytes.alloc(total);
+		writeInt32(out, 0, total - 4);
+		out.set(4, MSG_PIECE);
+		writeInt32(out, 5, index);
+		writeInt32(out, 9, begin);
+		out.blit(13, data, 0, data.length);
+		channel.send(out);
+	}
+
+	static function hashMsg(root:Bytes, base:Int, index:Int, length:Int, proofs:Int, ?hashes:Bytes):Bytes {
+		var n = 48 + (hashes != null ? hashes.length : 0);
+		var out = Bytes.alloc(n);
+		out.blit(0, root, 0, 32);
+		writeInt32(out, 32, base);
+		writeInt32(out, 36, index);
+		writeInt32(out, 40, length);
+		writeInt32(out, 44, proofs);
+		if (hashes != null) out.blit(48, hashes, 0, hashes.length);
+		return out;
+	}
+
+	public function sendHashRequest(root:Bytes, base:Int, index:Int, length:Int, proofs:Int):Void {
+		sendMessage(MSG_HASH_REQUEST,
+			hashMsg(root, base, index, length, proofs));
+	}
+
+	public function sendHashes(root:Bytes, base:Int, index:Int, length:Int, proofs:Int, hashes:Bytes):Void {
+		sendMessage(MSG_HASHES,
+			hashMsg(root, base, index, length, proofs, hashes));
+	}
+
+	public function sendHashReject(root:Bytes, base:Int, index:Int, length:Int, proofs:Int):Void {
+		sendMessage(MSG_HASH_REJECT,
+			hashMsg(root, base, index, length, proofs));
+	}
+
+	public function sendCancel(index:Int, begin:Int, length:Int):Void {
+		var out = Bytes.alloc(17);
+		writeInt32(out, 0, 13);
+		out.set(4, MSG_CANCEL);
+		writeInt32(out, 5, index);
+		writeInt32(out, 9, begin);
+		writeInt32(out, 13, length);
+		channel.send(out);
+	}
+
+	function sendMessage(id:Int, payload:Bytes):Void {
+		if (closed) return;
+		var len = 1 + (payload != null ? payload.length : 0);
+		var total = 4 + 1 + (payload != null ? payload.length : 0);
+		var out = Bytes.alloc(total);
+		writeInt32(out, 0, len);
+		out.set(4, id);
+		if (payload != null) out.blit(5, payload, 0, payload.length);
+		channel.send(out);
+	}
+
+	public function close():Void {
+		closed = true;
+		channel.close();
+	}
+
+	function fail(reason:String):Void {
+		if (onError != null) onError(reason);
+		close();
+	}
+
+	static function bytesEqual(a:Bytes, b:Bytes):Bool {
+		if (a.length != b.length) return false;
+		for (i in 0...a.length) {
+			if (a.get(i) != b.get(i)) return false;
+		}
+		return true;
+	}
+
+	static function readInt32(b:Bytes, off:Int):Int {
+		return (b.get(off) << 24) | (b.get(off + 1) << 16)
+			| (b.get(off + 2) << 8) | b.get(off + 3);
+	}
+
+	static public function readU32(b:Bytes, off:Int):Int {
+		return readInt32(b, off);
+	}
+
+	static function writeInt32(b:Bytes, off:Int, v:Int):Void {
+		b.set(off, (v >> 24) & 0xFF);
+		b.set(off + 1, (v >> 16) & 0xFF);
+		b.set(off + 2, (v >> 8) & 0xFF);
+		b.set(off + 3, v & 0xFF);
+	}
+}

leenkx/Sources/leenkx/network/torrent/storage/Storage.hx

@@ -0,0 +1,145 @@
+package leenkx.network.torrent.storage;
+
+import haxe.io.Bytes;
+
+interface IStorage {
+	function write(offset:Int, data:Bytes):Void;
+	function read(offset:Int, length:Int):Bytes;
+	function flush():Void;
+	function close():Void;
+	function deleteData():Void;
+}
+
+class MemoryStorage implements IStorage {
+	var data:Bytes;
+
+	public function new(totalLength:Int) {
+		data = Bytes.alloc(totalLength);
+	}
+
+	public function write(offset:Int, chunk:Bytes):Void {
+		data.blit(offset, chunk, 0, chunk.length);
+	}
+
+	public function read(offset:Int, length:Int):Bytes {
+		return data.sub(offset, length);
+	}
+
+	public function flush():Void {}
+	public function close():Void {}
+	public function deleteData():Void {
+		data = null;
+	}
+}
+
+#if (sys || kha_krom)
+class FileTreeStorage implements IStorage {
+	var dir:String;
+	var files:Array<{path:String, length:Int, offset:Int}>;
+	#if kha_krom
+	var madeDirs = new Map<String, Bool>();
+	#end
+
+	public function new(dir:String, files:Array<{path:String, length:Int, offset:Int}>) {
+		this.dir = dir;
+		this.files = files;
+	}
+
+	function filePath(f:{path:String, length:Int, offset:Int}):String {
+		return dir + "/"
+			+ leenkx.network.torrent.MetaInfo.sanitizePath(f.path);
+	}
+
+	function writeChunk(f:{path:String, length:Int, offset:Int}, foffset:Int, chunk:Bytes):Void {
+		var p = filePath(f);
+		#if kha_krom
+		var i = Std.int(Math.max(p.lastIndexOf("/"),
+			p.lastIndexOf("\\")));
+		if (i > 0) {
+			var d = p.substr(0, i);
+			if (!madeDirs.exists(d)) {
+				madeDirs.set(d, true);
+				var win = Krom.systemId() == "Windows";
+				Krom.sysCommand(win
+					? "mkdir \"" + StringTools.replace(d, "/", "\\") + "\""
+					: "mkdir -p \"" + d + "\"");
+			}
+		}
+		try {
+			Krom.fileWriteBytes(p, chunk.getData(), foffset,
+				chunk.length);
+		} catch(e:Dynamic) {
+			trace('[FileTreeStorage] WRITE FAILED ' + p
+				+ ' off=' + foffset + ' len=' + chunk.length
+				+ ' err=' + Std.string(e));
+			return;
+		}
+		#else
+		var i = Std.int(Math.max(p.lastIndexOf("/"),
+			p.lastIndexOf("\\")));
+		if (i > 0) {
+			var d = p.substr(0, i);
+			if (!sys.FileSystem.exists(d)) sys.FileSystem.createDirectory(d);
+		}
+		var out = sys.io.File.update(p, true);
+		out.seek(foffset, sys.io.FileSeek.SeekBegin);
+		out.writeBytes(chunk, 0, chunk.length);
+		out.close();
+		#end
+	}
+
+	function readChunk(f:{path:String, length:Int, offset:Int}, foffset:Int, len:Int):Bytes {
+		var p = filePath(f);
+		#if kha_krom
+		return Bytes.ofData(Krom.fileReadBytes(p, foffset, len));
+		#else
+		var buf = Bytes.alloc(len);
+		if (sys.FileSystem.exists(p)) {
+			var inp = sys.io.File.read(p, true);
+			inp.seek(foffset, sys.io.FileSeek.SeekBegin);
+			try inp.readBytes(buf, 0, len) catch(e:haxe.io.Eof) {}
+			inp.close();
+		}
+		return buf;
+		#end
+	}
+
+	public function write(offset:Int, data:Bytes):Void {
+		for (f in files) {
+			var lo = offset > f.offset ? offset : f.offset;
+			var hi = offset + data.length < f.offset + f.length
+				? offset + data.length : f.offset + f.length;
+			if (lo >= hi) continue;
+			writeChunk(f, lo - f.offset,
+				data.sub(lo - offset, hi - lo));
+		}
+	}
+
+	public function read(offset:Int, length:Int):Bytes {
+		var out = Bytes.alloc(length);
+		for (f in files) {
+			var lo = offset > f.offset ? offset : f.offset;
+			var hi = offset + length < f.offset + f.length
+				? offset + length : f.offset + f.length;
+			if (lo >= hi) continue;
+			var chunk = readChunk(f, lo - f.offset, hi - lo);
+			out.blit(lo - offset, chunk, 0, chunk.length);
+		}
+		return out;
+	}
+
+	public function flush():Void {}
+	public function close():Void {}
+
+	public function deleteData():Void {
+		for (f in files) {
+			var p = filePath(f);
+			#if sys
+			if (sys.FileSystem.exists(p)) sys.FileSystem.deleteFile(p);
+			#else
+			Krom.deleteFile(p);
+			#end
+		}
+	}
+}
+#end

leenkx/Sources/leenkx/network/torrent/tracker/HttpTracker.hx

@@ -0,0 +1,555 @@
+package leenkx.network.torrent.tracker;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.Bencode;
+import leenkx.network.torrent.Crypto;
+import leenkx.network.torrent.TorrentInfo;
+
+#if (sys || kha_krom)
+class HttpTracker {
+	public var onPeers:Array<{host:String, port:Int}> -> Void;
+	public var onInterval:Int -> Void;
+	public var onError:String -> Void;
+	public var statsProvider:Void -> {downloaded:Float, uploaded:Float,
+		left:Float} = null;
+
+	var url:String;
+	var infoHash:Bytes;
+	var peerId:Bytes;
+	var port:Int;
+	var intervalSec:Int = 1800;
+	var numwant:Int = 50;
+	var timer:haxe.Timer = null;
+	var destroyed = false;
+	var busy = false;
+	var key:Int = Std.random(0x7FFFFFFF);
+	var trackerId:String = null;
+
+	public function new(url:String, infoHash:Bytes, peerId:Bytes, port:Int = 6881) {
+		this.url = url;
+		this.infoHash = infoHash;
+		this.peerId = peerId;
+		this.port = port;
+	}
+
+	public function start():Void {
+		announce("started");
+	}
+
+	public function stop():Void {
+		destroyed = true;
+		if (timer != null) {
+			timer.stop();
+			timer = null;
+		}
+		announce("stopped");
+	}
+
+	public function announceEvent(event:String):Void {
+		announce(event);
+	}
+
+	function announce(event:String):Void {
+		if (busy) return;
+		busy = true;
+		var stats = statsProvider != null ? statsProvider()
+			: {downloaded: 0.0, uploaded: 0.0, left: 0.0};
+		var sep = url.indexOf("?") >= 0 ? "&" : "?";
+		var req = url + sep
+			+ "info_hash=" + percentEncode(infoHash)
+			+ "&peer_id=" + percentEncode(peerId)
+			+ "&port=" + port
+			+ "&uploaded=" + Std.int(stats.uploaded)
+			+ "&downloaded=" + Std.int(stats.downloaded)
+			+ "&left=" + Std.int(stats.left)
+			+ "&compact=1&numwant=" + numwant + "&key="
+			+ StringTools.hex(key, 8);
+		if (trackerId != null) req += "&trackerid=" + trackerId;
+		if (event != null) req += "&event=" + event;
+		var self = this;
+		var finish = function(body:Bytes, err:String) {
+			self.busy = false;
+			if (self.destroyed) return;
+			if (err != null) {
+				if (self.onError != null) self.onError(err);
+				self.schedule();
+				return;
+			}
+			self.parseResponse(body);
+			self.schedule();
+		};
+		#if sys
+		var watchdog = new haxe.Timer(35000);
+		watchdog.run = function() {
+			watchdog.stop();
+			var s = self.currentSock;
+			if (s != null) try s.close() catch(e:Dynamic) {}
+		};
+		sys.thread.Thread.create(function() {
+			self.httpGet(req, function(body:Bytes, err:String) {
+				leenkx.network.torrent.TorrentClient.postMain(
+					function() {
+						watchdog.stop();
+						finish(body, err);
+					});
+			});
+		});
+		#else
+			httpGet(req, finish);
+		#end
+	}
+
+	function schedule():Void {
+		if (destroyed) return;
+		if (timer != null) timer.stop();
+		timer = new haxe.Timer(intervalSec * 1000);
+		timer.run = function() {
+			timer.stop();
+			announce(null);
+		};
+	}
+
+	function parseResponse(body:Bytes):Void {
+		var dict:Dynamic;
+		try {
+			dict = Bencode.decode(body);
+		} catch(e:Dynamic) {
+			if (onError != null) onError("bad tracker response");
+			return;
+		}
+		var failure = Reflect.field(dict, "failure reason");
+		if (failure != null) {
+			if (onError != null) onError(Std.string(failure));
+			return;
+		}
+		var warning = Reflect.field(dict, "warning message");
+		if (warning != null && onError != null) {
+			onError("warning: " + Std.string(warning));
+		}
+		var tid = Reflect.field(dict, "tracker id");
+		if (tid != null) trackerId = Std.string(tid);
+		var iv = Reflect.field(dict, "interval");
+		if (iv == null) iv = Reflect.field(dict, "min interval");
+		if (iv != null) {
+			var ivF = Std.parseFloat(Std.string(iv));
+			if (!Math.isNaN(ivF) && ivF > 0) intervalSec = Std.int(ivF);
+		}
+		var peersField = Reflect.field(dict, "peers");
+		var peers:Array<{host:String, port:Int}> = [];
+		if (Std.isOfType(peersField, Bytes)) {
+			peers = UdpTracker.parsePeers((peersField : Bytes), 0);
+		} else if (Std.isOfType(peersField, Array)) {
+			var arr:Array<Dynamic> = cast peersField;
+			for (pd in arr) {
+				var ip = Reflect.field(pd, "ip");
+				var prt = Reflect.field(pd, "port");
+				if (ip != null && prt != null) {
+					peers.push({
+						host: Std.isOfType(ip, Bytes)
+							? (ip:Bytes).toString() : Std.string(ip),
+						port: Std.int(Std.parseFloat(Std.string(prt)))
+					});
+				}
+			}
+		}
+		if (onInterval != null) onInterval(intervalSec);
+		if (peers.length > 0 && onPeers != null) onPeers(peers);
+	}
+
+	function httpGet(reqUrl:String, cb:Bytes -> String -> Void):Void {
+		var rest = reqUrl.substr(reqUrl.indexOf("://") + 3);
+		var secure = reqUrl.indexOf("https://") == 0;
+		var slash = rest.indexOf("/");
+		var hostPort = slash >= 0 ? rest.substr(0, slash) : rest;
+		var path = slash >= 0 ? rest.substr(slash) : "/";
+		var colon = hostPort.indexOf(":");
+		var host = colon >= 0 ? hostPort.substr(0, colon) : hostPort;
+		var port = colon >= 0
+			? Std.parseInt(hostPort.substr(colon + 1))
+			: (secure ? 443 : 80);
+
+		#if kha_krom
+		if (secure) {
+			cb(null, "https trackers not supported on krom");
+			return;
+		}
+		var sock = new leenkx.network.krom.KromSocket();
+		sock.setBlocking(false);
+		var connectFailed = false;
+		try {
+			sock.connect(
+				new leenkx.network.krom.KromSocket.KromHost(host), port);
+		} catch(e:Dynamic) {
+			connectFailed = true;
+		}
+		if (connectFailed) {
+			cb(null, "connect failed");
+			return;
+		}
+		var request = "GET " + path + " HTTP/1.0\r\nHost: " + hostPort
+			+ "\r\nConnection: close\r\n\r\n";
+		var reqBytes = Bytes.ofString(request);
+		var buf = new haxe.io.BytesBuffer();
+		var deadline = haxe.Timer.stamp() + 15;
+		var sentReq = false;
+		var tick:Void -> Void = null;
+		tick = function() {
+			if (haxe.Timer.stamp() > deadline) {
+				leenkx.network.krom.KromSocket.KromPump.remove(tick);
+				sock.close();
+				cb(null, "http tracker timeout");
+				return;
+			}
+			if (!sock.isConnected()) return;
+			if (!sentReq) {
+				sock.sendRaw(reqBytes);
+				sentReq = true;
+				return;
+			}
+			try {
+				var chunk = sock.recvRaw(65536);
+				if (chunk == null) return;
+				if (chunk.length == 0) {
+					leenkx.network.krom.KromSocket.KromPump.remove(tick);
+					sock.close();
+					finishResponse(buf.getBytes(), cb);
+					return;
+				}
+				buf.addBytes(chunk, 0, chunk.length);
+			} catch(e:Dynamic) {
+				leenkx.network.krom.KromSocket.KromPump.remove(tick);
+				sock.close();
+				finishResponse(buf.getBytes(), cb);
+			}
+		};
+		leenkx.network.krom.KromSocket.KromPump.add(tick);
+		#else
+		var sock:sys.net.Socket;
+		if (secure) {
+			#if hl
+			sock = new sys.ssl.Socket();
+			#else
+			cb(null, "https trackers not supported on this target");
+			return;
+			#end
+		} else {
+			sock = new sys.net.Socket();
+		}
+		sock.setTimeout(30);
+		try {
+			sock.connect(new sys.net.Host(host), port);
+			currentSock = sock;
+			var request = "GET " + path + " HTTP/1.0\r\nHost: " + hostPort
+				+ "\r\nConnection: close\r\n\r\n";
+			sock.output.write(Bytes.ofString(request));
+			sock.output.flush();
+			var buf = new haxe.io.BytesBuffer();
+			while (true) {
+				var chunk = Bytes.alloc(65536);
+				var read = 0;
+				try {
+					read = sock.input.readBytes(chunk, 0, chunk.length);
+				} catch(eof:haxe.io.Eof) {
+					break;
+				}
+				if (read <= 0) break;
+				buf.addBytes(chunk, 0, read);
+			}
+			sock.close();
+			currentSock = null;
+			finishResponse(buf.getBytes(), cb);
+		} catch(e:Dynamic) {
+			try sock.close() catch(_) {}
+			currentSock = null;
+			cb(null, Std.string(e));
+		}
+		#end
+	}
+
+	#if sys
+	var currentSock:sys.net.Socket = null;
+	#end
+
+	function finishResponse(raw:Bytes, cb:Bytes -> String -> Void):Void {
+		var body:Bytes = null;
+		for (i in 0...raw.length - 3) {
+			if (raw.get(i) == 0x0D && raw.get(i + 1) == 0x0A
+				&& raw.get(i + 2) == 0x0D && raw.get(i + 3) == 0x0A) {
+				body = raw.sub(i + 4, raw.length - i - 4);
+				break;
+			}
+		}
+		if (body == null) {
+			cb(null, "bad http response");
+			return;
+		}
+		cb(body, null);
+	}
+
+	static function percentEncode(b:Bytes):String {
+		var sb = new StringBuf();
+		var safe = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+			+ "abcdefghijklmnopqrstuvwxyz-_.~";
+		for (i in 0...b.length) {
+			var c = b.get(i);
+			if (safe.indexOf(String.fromCharCode(c)) >= 0) {
+				sb.addChar(c);
+			} else {
+				sb.add("%");
+				sb.add(StringTools.hex(c, 2));
+			}
+		}
+		return sb.toString();
+	}
+}
+class HttpTrackerServer {
+	public var onLog:String -> Void = null;
+	public var onError:String -> Void = null;
+
+	var swarm = new UdpTracker.TrackerSwarm();
+	var running = false;
+	#if sys
+	var sock:sys.net.Socket;
+	#elseif kha_krom
+	var sock:leenkx.network.krom.KromSocket;
+	var timer:haxe.Timer = null;
+	var pending:Array<{sock:leenkx.network.krom.KromSocket,
+		buf:haxe.io.BytesBuffer}> = [];
+	#end
+
+	public function new() {}
+
+	public function start(port:Int):Void {
+		if (running) return;
+		running = true;
+		#if sys
+		sock = new sys.net.Socket();
+		sock.bind(new sys.net.Host("127.0.0.1"), port);
+		sock.listen(64);
+		var self = this;
+		sys.thread.Thread.create(function() self.loop());
+		#elseif kha_krom
+		sock = new leenkx.network.krom.KromSocket();
+		sock.bind(new leenkx.network.krom.KromSocket.KromHost(
+			"127.0.0.1"), port);
+		sock.listen(64);
+		sock.setBlocking(false);
+		timer = new haxe.Timer(5);
+		timer.run = pump;
+		#end
+		log("http tracker listening on 127.0.0.1:" + port);
+	}
+
+	public function stop():Void {
+		running = false;
+		#if kha_krom
+		if (timer != null) {
+			timer.stop();
+			timer = null;
+		}
+		for (p in pending) try p.sock.close() catch (_) {}
+		pending = [];
+		#end
+		if (sock != null) {
+			try sock.close() catch (e:Dynamic) {}
+		}
+	}
+
+	#if sys
+	function loop():Void {
+		while (running) {
+			try {
+				var c = sock.accept();
+				if (c != null) serve(c);
+			} catch (e:Dynamic) {
+				if (running) err("accept: " + Std.string(e));
+			}
+		}
+	}
+	#elseif kha_krom
+	function pump():Void {
+		if (!running || sock == null) return;
+		while (true) {
+			var c:leenkx.network.krom.KromSocket = null;
+			try {
+				c = sock.accept();
+			} catch (e:Dynamic) {
+				break;
+			}
+			if (c == null) break;
+			c.setBlocking(false);
+			pending.push({sock: c, buf: new haxe.io.BytesBuffer()});
+		}
+		var i = pending.length;
+		while (i-- > 0) {
+			var p = pending[i];
+			var drop = false;
+			try {
+				var d = p.sock.recvRaw(65536);
+				if (d != null) p.buf.addBytes(d, 0, d.length);
+			} catch (e:Dynamic) {
+				drop = true;
+			}
+			var done = !drop && find(p.buf.getBytes(),
+				"\r\n\r\n") >= 0;
+			if (done) {
+				var body = handleRequest(p.buf.getBytes(),
+					"127.0.0.1");
+				try {
+					var head = "HTTP/1.0 200 OK\r\n"
+						+ "Content-Length: " + body.length
+						+ "\r\n\r\n";
+					p.sock.sendRaw(Bytes.ofString(head));
+					p.sock.sendRaw(body);
+				} catch (e:Dynamic) {}
+			}
+			if (done || drop || p.buf.length > 65536) {
+				try p.sock.close() catch (e:Dynamic) {}
+				pending.splice(i, 1);
+			}
+		}
+	}
+	#end
+
+	#if sys
+	function serve(c:sys.net.Socket):Void {
+		try {
+			var raw = new haxe.io.BytesBuffer();
+			var tmp = Bytes.alloc(4096);
+			while (find(raw.getBytes(), "\r\n\r\n") < 0) {
+				var n = c.input.readBytes(tmp, 0, tmp.length);
+				if (n <= 0) break;
+				raw.addBytes(tmp, 0, n);
+				if (raw.length > 65536) break;
+			}
+			var body = handleRequest(raw.getBytes(),
+				c.peer().host.toString());
+			reply(c, 200, body);
+		} catch (e:Dynamic) {
+			try c.close() catch (_) {}
+		}
+	}
+
+	function reply(c:sys.net.Socket, code:Int, body:Bytes):Void {
+		var head = "HTTP/1.0 " + code + " OK\r\nContent-Length: "
+			+ body.length + "\r\n\r\n";
+		c.output.write(Bytes.ofString(head));
+		c.output.write(body);
+		c.output.flush();
+		c.close();
+	}
+	#end
+
+	function handleRequest(req:Bytes, peerHost:String):Bytes {
+		var lineEnd = find(req, "\r\n");
+		var line = lineEnd > 0
+			? req.sub(0, lineEnd).toString() : "";
+		var q = line.indexOf("?");
+		var sp2 = line.indexOf(" HTTP");
+		if (q < 0 || sp2 < 0) {
+			return Bytes.ofString("bad request");
+		}
+		var params = decodeQuery(req.sub(q + 1, sp2 - q - 1));
+		var infoHash = params.get("info_hash");
+		var peerId = params.get("peer_id");
+		if (infoHash == null || peerId == null) {
+			return Bencode.encode({
+				"failure reason": "missing params"});
+		}
+		var port = Std.parseInt(textParam(params, "port"));
+		var left = Std.parseFloat(textParam(params, "left"));
+		var numwant = Std.parseInt(textParam(params, "numwant"));
+		if (numwant == null || numwant <= 0 || numwant > 200) {
+			numwant = 50;
+		}
+		var ipText = textParam(params, "ip");
+		var host = ipText != null && ipText != ""
+			? ipText : peerHost;
+		var ev = textParam(params, "event");
+		var res = swarm.announce(infoHash, peerId, host,
+			port != null ? port : 6881,
+			Math.isNaN(left) ? 0.0 : left,
+			ev == "stopped", numwant);
+		log("announce " + Crypto.toHex(infoHash).substr(0, 8)
+			+ " peer=" + host + ":" + port + " event=" + ev
+			+ " swarm=" + res.complete + "s/"
+			+ res.incomplete + "l reply=" + res.peers.length);
+		var compact = new haxe.io.BytesBuffer();
+		UdpTracker.writePeers(compact, res.peers);
+		return Bencode.encode({
+			interval: swarm.intervalSec,
+			complete: res.complete,
+			incomplete: res.incomplete,
+			"tracker id": "leenkx-local",
+			peers: compact.getBytes()
+		});
+	}
+
+	static function find(b:Bytes, s:String):Int {
+		var n = s.length;
+		for (i in 0...b.length - n + 1) {
+			var ok = true;
+			for (j in 0...n) {
+				if (b.get(i + j) != s.charCodeAt(j)) {
+					ok = false;
+					break;
+				}
+			}
+			if (ok) return i;
+		}
+		return -1;
+	}
+
+	static function textParam(p:Map<String, Bytes>, k:String):String {
+		var b = p.get(k);
+		return b != null ? b.toString() : null;
+	}
+
+	static function decodeQuery(raw:Bytes):Map<String, Bytes> {
+		var out = new Map<String, Bytes>();
+		var s = raw.toString();
+		for (pair in s.split("&")) {
+			var eq = pair.indexOf("=");
+			var k = eq >= 0 ? pair.substr(0, eq) : pair;
+			var v = eq >= 0 ? pair.substr(eq + 1) : "";
+			out.set(StringTools.urlDecode(k), pctDecode(v));
+		}
+		return out;
+	}
+
+	static function pctDecode(s:String):Bytes {
+		var out = new haxe.io.BytesBuffer();
+		var i = 0;
+		while (i < s.length) {
+			var c = s.charCodeAt(i);
+			if (c == 0x25 && i + 2 < s.length) {
+				out.addByte(Std.parseInt("0x" + s.substr(i + 1, 2)));
+				i += 3;
+			} else if (c == 0x2B) {
+				out.addByte(0x20);
+				i++;
+			} else {
+				out.addByte(c & 0xff);
+				i++;
+			}
+		}
+		return out.getBytes();
+	}
+
+	function log(m:String):Void {
+		if (onLog != null) {
+			var f = onLog;
+			leenkx.network.torrent.TorrentClient.postMain(
+				function() f(m));
+		}
+	}
+
+	function err(m:String):Void {
+		if (onError != null) {
+			var f = onError;
+			leenkx.network.torrent.TorrentClient.postMain(
+				function() f(m));
+		}
+	}
+}
+#end

leenkx/Sources/leenkx/network/torrent/tracker/UdpTracker.hx

@@ -0,0 +1,696 @@
+package leenkx.network.torrent.tracker;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.Crypto;
+
+#if (sys || kha_krom)
+
+typedef TrackerPeer = {
+	peerId:Bytes,
+	host:String,
+	port:Int,
+	left:Float,
+	stamp:Float
+}
+
+typedef SwarmResult = {
+	complete:Int,
+	incomplete:Int,
+	peers:Array<TrackerPeer>
+}
+
+class TrackerSwarm {
+	public var intervalSec:Int = 30;
+
+	var swarms:Map<String, Map<String, TrackerPeer>> = [];
+
+	public function new() {}
+
+	public function announce(infoHash:Bytes, peerId:Bytes, host:String, port:Int, left:Float, stopped:Bool, numwant:Int):SwarmResult {
+		var key = Crypto.toHex(infoHash);
+		var swarm = swarms.get(key);
+		if (swarm == null) {
+			swarm = new Map();
+			swarms.set(key, swarm);
+		}
+		var pid = Crypto.toHex(peerId);
+		if (stopped) {
+			swarm.remove(pid);
+		} else {
+			swarm.set(pid, {
+				peerId: peerId,
+				host: host,
+				port: port,
+				left: left,
+				stamp: haxe.Timer.stamp()
+			});
+		}
+		var peers:Array<TrackerPeer> = [];
+		var complete = 0;
+		var incomplete = 0;
+		for (p in swarm) {
+			if (p.left <= 0) complete++; else incomplete++;
+			if (pid == Crypto.toHex(p.peerId)) continue;
+			if (peers.length < numwant) peers.push(p);
+		}
+		return {complete: complete, incomplete: incomplete,
+			peers: peers};
+	}
+}
+
+class UdpTracker {
+	static inline var PROTOCOL_ID_HI:Int = 0x41727101;
+	static inline var PROTOCOL_ID_LO:Int = 0x80;
+	public static inline var ACTION_CONNECT:Int = 0;
+	public static inline var ACTION_ANNOUNCE:Int = 1;
+	static inline var ACTION_SCRAPE:Int = 2;
+	public static inline var ACTION_ERROR:Int = 3;
+	public static inline var EVENT_COMPLETED:Int = 1;
+	public static inline var EVENT_STARTED:Int = 2;
+	public static inline var EVENT_STOPPED:Int = 3;
+
+	public var onPeers:Array<{host:String, port:Int}> -> Void;
+	public var onInterval:Int -> Void;
+	public var onError:String -> Void;
+	public var statsProvider:Void -> {downloaded:Float, uploaded:Float,
+		left:Float} = null;
+
+	var url:String;
+	var infoHash:Bytes;
+	var peerId:Bytes;
+	var port:Int;
+	var intervalSec:Int = 1800;
+	var numwant:Int = 50;
+	var timer:haxe.Timer = null;
+	var destroyed = false;
+	var inFlight = false;
+	var key:Int = Std.random(0x7FFFFFFF);
+	var connIdHi:Int = 0;
+	var connIdLo:Int = 0;
+	var connIdTime:Float = 0;
+
+	public function new(url:String, infoHash:Bytes, peerId:Bytes, port:Int = 6881) {
+		this.url = url;
+		this.infoHash = infoHash;
+		this.peerId = peerId;
+		this.port = port;
+	}
+
+	public function start():Void {
+		announce(EVENT_STARTED);
+	}
+
+	public function stop():Void {
+		if (destroyed) return;
+		announce(EVENT_STOPPED);
+		destroyed = true;
+		if (timer != null) {
+			timer.stop();
+			timer = null;
+		}
+	}
+
+	public function announceEvent(event:String):Void {
+		var code = switch (event) {
+			case "completed": EVENT_COMPLETED;
+			case "started": EVENT_STARTED;
+			case "stopped": EVENT_STOPPED;
+			default: 0;
+		};
+		announce(code);
+	}
+
+	function announce(event:Int):Void {
+		if (inFlight) return;
+		inFlight = true;
+		#if kha_krom
+		kromAnnounce(event);
+		return;
+		#end
+		#if sys
+		var self = this;
+		var watchdog = new haxe.Timer(35000);
+		watchdog.run = function() {
+			watchdog.stop();
+			if (self.currentSock != null) {
+				try self.currentSock.close() catch(e:Dynamic) {}
+			}
+		};
+		sys.thread.Thread.create(function() {
+			var result = try {
+				self.doAnnounce(event);
+			} catch(e:Dynamic) {
+				{peers: [], interval: 0, error: Std.string(e)};
+			}
+			leenkx.network.torrent.TorrentClient.postMain(function() {
+				watchdog.stop();
+				self.inFlight = false;
+				if (self.destroyed) return;
+				if (result.error != null) {
+					if (self.onError != null) self.onError(result.error);
+				} else {
+					if (result.interval > 0) {
+						self.intervalSec = result.interval;
+					}
+					if (self.onInterval != null) {
+						self.onInterval(self.intervalSec);
+					}
+					if (result.peers.length > 0 && self.onPeers != null) {
+						self.onPeers(result.peers);
+					}
+				}
+				self.schedule();
+			});
+		});
+		#end
+	}
+
+	#if kha_krom
+	var ksock:leenkx.network.krom.KromUdpSocket = null;
+	var kHost:String = null;
+	var kPort:Int = 0;
+	var kTick:Void -> Void = null;
+	var kAttempt:Int = 0;
+	var kDeadline:Float = 0;
+	var kState:Int = 0; 
+	var kTxId:Int = 0;
+	var kEvent:Int = 0;
+	var kLastError:String = "no response";
+
+	function kromAnnounce(event:Int):Void {
+		var rest = url.substr(url.indexOf("://") + 3);
+		var slash = rest.indexOf("/");
+		var hostPort = slash >= 0 ? rest.substr(0, slash) : rest;
+		var colon = hostPort.lastIndexOf(":");
+		kHost = colon >= 0 ? hostPort.substr(0, colon) : hostPort;
+		kPort = colon >= 0
+			? Std.parseInt(hostPort.substr(colon + 1)) : 80;
+		if (kPort == null) kPort = 80;
+
+		kEvent = event;
+		kAttempt = 0;
+		try {
+			if (ksock != null) ksock.close();
+			ksock = new leenkx.network.krom.KromUdpSocket();
+		} catch(e:Dynamic) {
+			finishAnnounce([], 0, "udp socket: " + Std.string(e));
+			return;
+		}
+		kromRound();
+	}
+
+	function kromRound():Void {
+		kAttempt++;
+		kDeadline = haxe.Timer.stamp() + 15;
+		if (connIdTime == 0
+				|| haxe.Timer.stamp() - connIdTime > 45) {
+			kTxId = Std.random(0x7FFFFFFF);
+			var connReq = new haxe.io.BytesBuffer();
+			writeInt64(connReq, PROTOCOL_ID_HI, PROTOCOL_ID_LO);
+			writeInt32(connReq, ACTION_CONNECT);
+			writeInt32(connReq, kTxId);
+			if (kSend(connReq.getBytes()) < 16) {
+				finishAnnounce([], 0, "connect send failed");
+				return;
+			}
+			kState = 1;
+		} else {
+			if (!kSendAnnounce()) return;
+			kState = 2;
+		}
+		startKTimer();
+	}
+
+	function kSendAnnounce():Bool {
+		var stats = statsProvider != null ? statsProvider()
+			: {downloaded: 0.0, uploaded: 0.0, left: 0.0};
+		kTxId = Std.random(0x7FFFFFFF);
+		var ann = new haxe.io.BytesBuffer();
+		writeInt32(ann, connIdHi);
+		writeInt32(ann, connIdLo);
+		writeInt32(ann, ACTION_ANNOUNCE);
+		writeInt32(ann, kTxId);
+		ann.addBytes(infoHash, 0, 20);
+		ann.addBytes(peerId, 0, 20);
+		writeInt64v(ann, stats.downloaded);
+		writeInt64v(ann, stats.left);
+		writeInt64v(ann, stats.uploaded);
+		writeInt32(ann, kEvent);
+		writeInt32(ann, 0);
+		writeInt32(ann, key);
+		writeInt32(ann, numwant);
+		var portBytes = Bytes.alloc(2);
+		portBytes.set(0, (this.port >> 8) & 0xFF);
+		portBytes.set(1, this.port & 0xFF);
+		ann.addBytes(portBytes, 0, 2);
+		if (kSend(ann.getBytes()) < 98) {
+			finishAnnounce([], 0, "announce send failed");
+			return false;
+		}
+		return true;
+	}
+
+	function kSend(pkt:Bytes):Int {
+		try {
+			return ksock.sendTo(pkt, 0, pkt.length,
+				new leenkx.network.krom.KromSocket.KromHost(kHost),
+				kPort);
+		} catch(e:Dynamic) {
+			return -1;
+		}
+	}
+
+	function startKTimer():Void {
+		if (kTick == null) {
+			kTick = kromPoll;
+			leenkx.network.krom.KromSocket.KromPump.add(kTick);
+		}
+	}
+
+	function kromPoll():Void {
+		if ((destroyed && kEvent != EVENT_STOPPED) || ksock == null) {
+			kromCleanup();
+			inFlight = false;
+			return;
+		}
+		var pkt:{data:Bytes, host:String, port:Int} = null;
+		try {
+			pkt = ksock.recvFrom(65536);
+		} catch(e:Dynamic) {
+			finishAnnounce([], 0, "recv: " + Std.string(e));
+			return;
+		}
+		if (pkt != null) {
+			var resp = pkt.data;
+			if (kState == 1 && resp.length >= 16
+					&& readInt32(resp, 0) == ACTION_CONNECT
+					&& readInt32(resp, 4) == kTxId) {
+				connIdHi = readInt32(resp, 8);
+				connIdLo = readInt32(resp, 12);
+				connIdTime = haxe.Timer.stamp();
+				if (!kSendAnnounce()) return;
+				kState = 2;
+				kDeadline = haxe.Timer.stamp() + 15;
+			} else if (kState == 2 && resp.length >= 20) {
+				var action = readInt32(resp, 0);
+				if (action == ACTION_ERROR) {
+					finishAnnounce([], 0, "tracker error: "
+						+ resp.sub(8, resp.length - 8).toString());
+					return;
+				}
+				if (action == ACTION_ANNOUNCE
+						&& readInt32(resp, 4) == kTxId) {
+					var interval = readInt32(resp, 8);
+					finishAnnounce(parsePeers(resp), interval, null);
+					return;
+				}
+			}
+		}
+		if (haxe.Timer.stamp() > kDeadline) {
+			kLastError = kState == 1 ? "connect timeout"
+				: "announce timeout";
+			if (kAttempt < 3) {
+				connIdTime = 0; 
+				kromRound();
+			} else {
+				finishAnnounce([], 0, kLastError);
+			}
+		}
+	}
+
+	function finishAnnounce(peers:Array<{host:String, port:Int}>, interval:Int, error:String):Void {
+		kromCleanup();
+		inFlight = false;
+		if (destroyed) return;
+		if (error != null) {
+			if (onError != null) onError(error);
+		} else {
+			if (interval > 0) intervalSec = interval;
+			if (onInterval != null) onInterval(intervalSec);
+			if (peers.length > 0 && onPeers != null) onPeers(peers);
+		}
+		schedule();
+	}
+
+	function kromCleanup():Void {
+		if (kTick != null) {
+			leenkx.network.krom.KromSocket.KromPump.remove(kTick);
+			kTick = null;
+		}
+		if (ksock != null) {
+			try ksock.close() catch(e:Dynamic) {}
+			ksock = null;
+		}
+	}
+	#end
+
+	function schedule():Void {
+		if (destroyed) return;
+		if (timer != null) timer.stop();
+		timer = new haxe.Timer(intervalSec * 1000);
+		timer.run = function() {
+			timer.stop();
+			announce(0);
+		};
+	}
+
+	#if sys
+	function doAnnounce(event:Int):{peers:Array<{host:String, port:Int}>,
+			interval:Int, error:String} {
+		var empty = {peers: [], interval: 0, error: null};
+		var rest = url.substr(url.indexOf("://") + 3);
+		var slash = rest.indexOf("/");
+		var hostPort = slash >= 0 ? rest.substr(0, slash) : rest;
+		var colon = hostPort.lastIndexOf(":");
+		var host = colon >= 0 ? hostPort.substr(0, colon) : hostPort;
+		var port = colon >= 0
+			? Std.parseInt(hostPort.substr(colon + 1)) : 80;
+		if (port == null) port = 80;
+
+		var sock = new sys.net.UdpSocket();
+		var addr = new sys.net.Address();
+		try {
+			addr.host = new sys.net.Host(host).ip;
+			addr.port = port;
+		} catch(e:Dynamic) {
+			return {peers: [], interval: 0,
+				error: "resolve: " + Std.string(e)};
+		}
+
+		var lastError = "no response";
+		for (attempt in 0...3) {
+			var r = tryAnnounce(sock, addr, event);
+			if (r.error == null) {
+				sock.close();
+				return r;
+			}
+			lastError = r.error;
+			connIdTime = 0; 
+		}
+		sock.close();
+		return {peers: [], interval: 0, error: lastError};
+	}
+
+	function tryAnnounce(sock:sys.net.UdpSocket, addr:sys.net.Address, event:Int):{peers:Array<{host:String, port:Int}>, interval:Int, error:String} {
+		var now = haxe.Timer.stamp();
+		if (connIdTime == 0 || now - connIdTime > 45) {
+			var txId = Std.random(0x7FFFFFFF);
+			var connReq = new haxe.io.BytesBuffer();
+			writeInt64(connReq, PROTOCOL_ID_HI, PROTOCOL_ID_LO); // protocol id
+			writeInt32(connReq, ACTION_CONNECT);
+			writeInt32(connReq, txId);
+			try {
+				sock.sendTo(connReq.getBytes(), 0, 16, addr);
+			} catch(e:Dynamic) {
+				return {peers: [], interval: 0,
+					error: "send: " + Std.string(e)};
+			}
+			var resp = recvWithTimeout(sock, 15000);
+			if (resp == null || resp.length < 16) {
+				return {peers: [], interval: 0, error: "connect timeout"};
+			}
+			if (readInt32(resp, 0) != ACTION_CONNECT
+				|| readInt32(resp, 4) != txId) {
+				return {peers: [], interval: 0,
+					error: "bad connect response"};
+			}
+			connIdHi = readInt32(resp, 8);
+			connIdLo = readInt32(resp, 12);
+			connIdTime = now;
+		}
+
+		var stats = statsProvider != null ? statsProvider()
+			: {downloaded: 0.0, uploaded: 0.0, left: 0.0};
+
+		var txId = Std.random(0x7FFFFFFF);
+		var ann = new haxe.io.BytesBuffer();
+		writeInt32(ann, connIdHi);
+		writeInt32(ann, connIdLo);
+		writeInt32(ann, ACTION_ANNOUNCE);
+		writeInt32(ann, txId);
+		ann.addBytes(infoHash, 0, 20);
+		ann.addBytes(peerId, 0, 20);
+		writeInt64v(ann, stats.downloaded);
+		writeInt64v(ann, stats.left);
+		writeInt64v(ann, stats.uploaded);
+		writeInt32(ann, event);
+		writeInt32(ann, 0); 
+		writeInt32(ann, key);
+		writeInt32(ann, numwant);
+		var portBytes = Bytes.alloc(2);
+		portBytes.set(0, (this.port >> 8) & 0xFF);
+		portBytes.set(1, this.port & 0xFF);
+		ann.addBytes(portBytes, 0, 2);
+		try {
+			sock.sendTo(ann.getBytes(), 0, 98, addr);
+		} catch(e:Dynamic) {
+			return {peers: [], interval: 0,
+				error: "announce send: " + Std.string(e)};
+		}
+		var resp = recvWithTimeout(sock, 15000);
+		if (resp == null || resp.length < 20) {
+			return {peers: [], interval: 0, error: "announce timeout"};
+		}
+		if (readInt32(resp, 0) == ACTION_ERROR) {
+			return {peers: [], interval: 0,
+				error: "tracker error: "
+					+ resp.sub(8, resp.length - 8).toString()};
+		}
+		if (readInt32(resp, 0) != ACTION_ANNOUNCE
+			|| readInt32(resp, 4) != txId) {
+			return {peers: [], interval: 0, error: "bad announce response"};
+		}
+		var interval = readInt32(resp, 8);
+		return {peers: parsePeers(resp), interval: interval,
+			error: null};
+	}
+
+	var currentSock:sys.net.UdpSocket = null;
+
+	function recvWithTimeout(sock:sys.net.UdpSocket, ms:Int):Bytes {
+		currentSock = sock;
+		sock.setTimeout(ms / 1000);
+		var buf = Bytes.alloc(65536);
+		var addr = new sys.net.Address();
+		try {
+			var r = sock.readFrom(buf, 0, buf.length, addr);
+			if (r > 0) return buf.sub(0, r);
+		} catch(e:Dynamic) {
+			var m = Std.string(e);
+			if (m != "Blocked" && m != "Eof") trace("Error: " + e);
+		}
+		return null;
+	}
+	#end
+
+	static public function parsePeers(resp:Bytes, off:Int = 20):Array<{host:String, port:Int}> {
+		var peers:Array<{host:String, port:Int}> = [];
+		while (off + 6 <= resp.length) {
+			peers.push({
+				host: resp.get(off) + "." + resp.get(off + 1) + "."
+					+ resp.get(off + 2) + "." + resp.get(off + 3),
+				port: (resp.get(off + 4) << 8) | resp.get(off + 5)
+			});
+			off += 6;
+		}
+		return peers;
+	}
+
+	static public function writePeers(buf:haxe.io.BytesBuffer, peers:Array<{host:String, port:Int}>):Void {
+		for (p in peers) {
+			for (o in p.host.split(".")) {
+				buf.addByte(Std.parseInt(o));
+			}
+			buf.addByte((p.port >> 8) & 0xff);
+			buf.addByte(p.port & 0xff);
+		}
+	}
+
+	static public function readInt32(b:Bytes, pos:Int):Int {
+		return (b.get(pos) << 24) | (b.get(pos + 1) << 16)
+			| (b.get(pos + 2) << 8) | b.get(pos + 3);
+	}
+
+	static public function writeInt32(buf:haxe.io.BytesBuffer, v:Int):Void {
+		buf.addByte((v >> 24) & 0xFF);
+		buf.addByte((v >> 16) & 0xFF);
+		buf.addByte((v >> 8) & 0xFF);
+		buf.addByte(v & 0xFF);
+	}
+
+	static function writeInt64(buf:haxe.io.BytesBuffer, hi:Int, lo:Int):Void {
+		writeInt32(buf, hi);
+		writeInt32(buf, lo);
+	}
+
+	static function writeInt64v(buf:haxe.io.BytesBuffer, v:Float):Void {
+		if (v < 0) v = 0;
+		var hi = Std.int(v / 4294967296);
+		var lo = Std.int(v - hi * 4294967296);
+		writeInt32(buf, hi);
+		writeInt32(buf, lo);
+	}
+}
+
+class UdpTrackerServer {
+	public var onLog:String -> Void = null;
+	public var onError:String -> Void = null;
+
+	var swarm = new TrackerSwarm();
+	var running = false;
+	#if sys
+	var sock:sys.net.UdpSocket;
+	#elseif kha_krom
+	var sock:leenkx.network.krom.KromUdpSocket;
+	var timer:haxe.Timer = null;
+	#end
+
+	public function new() {}
+
+	public function start(port:Int):Void {
+		if (running) return;
+		running = true;
+		#if sys
+		sock = new sys.net.UdpSocket();
+		sock.bind(new sys.net.Host("127.0.0.1"), port);
+		var self = this;
+		sys.thread.Thread.create(function() self.loop());
+		#elseif kha_krom
+		sock = new leenkx.network.krom.KromUdpSocket();
+		sock.bind(new leenkx.network.krom.KromSocket.KromHost(
+			"127.0.0.1"), port);
+		timer = new haxe.Timer(5);
+		timer.run = pump;
+		#end
+		log("udp tracker listening on 127.0.0.1:" + port);
+	}
+
+	public function stop():Void {
+		running = false;
+		#if kha_krom
+		if (timer != null) {
+			timer.stop();
+			timer = null;
+		}
+		#end
+		if (sock != null) {
+			try sock.close() catch (e:Dynamic) {}
+		}
+	}
+
+	#if sys
+	function loop():Void {
+		var buf = Bytes.alloc(65536);
+		var from = new sys.net.Address();
+		while (running) {
+			try {
+				var n = sock.readFrom(buf, 0, buf.length, from);
+				if (n > 0) {
+					var resp = handle(buf.sub(0, n),
+						from.getHost().toString(), from.port);
+					if (resp != null) {
+						sock.sendTo(resp, 0, resp.length, from);
+					}
+				}
+			} catch (e:Dynamic) {
+				if (running) err("recv: " + Std.string(e));
+			}
+		}
+	}
+	#elseif kha_krom
+	function pump():Void {
+		if (!running || sock == null) return;
+		while (true) {
+			var r:{data:Bytes, host:String, port:Int} = null;
+			try {
+				r = sock.recvFrom(65536);
+			} catch (e:Dynamic) {
+				err("recv: " + Std.string(e));
+				break;
+			}
+			if (r == null) break;
+			var resp = handle(r.data, r.host, r.port);
+			if (resp != null) {
+				try {
+					sock.sendTo(resp, 0, resp.length,
+						new leenkx.network.krom.KromSocket
+							.KromHost(r.host), r.port);
+				} catch (e:Dynamic) {
+					err("send: " + Std.string(e));
+				}
+			}
+		}
+	}
+	#end
+
+	function handle(pkt:Bytes, host0:String, port0:Int):Bytes {
+		if (pkt.length < 16) return null;
+		var action = UdpTracker.readInt32(pkt, 8);
+		var tx = UdpTracker.readInt32(pkt, 12);
+		if (action == UdpTracker.ACTION_CONNECT) {
+			var r = new haxe.io.BytesBuffer();
+			UdpTracker.writeInt32(r, UdpTracker.ACTION_CONNECT);
+			UdpTracker.writeInt32(r, tx);
+			UdpTracker.writeInt32(r, Std.random(0x7FFFFFFF));
+			UdpTracker.writeInt32(r, Std.random(0x7FFFFFFF));
+			return r.getBytes();
+		}
+		if (action != UdpTracker.ACTION_ANNOUNCE
+				|| pkt.length < 98) {
+			var r = new haxe.io.BytesBuffer();
+			UdpTracker.writeInt32(r, 3);
+			UdpTracker.writeInt32(r, tx);
+			r.addString("bad announce");
+			return r.getBytes();
+		}
+		var infoHash = pkt.sub(16, 20);
+		var peerId = pkt.sub(36, 20);
+		var hi = UdpTracker.readInt32(pkt, 64);
+		var lo = UdpTracker.readInt32(pkt, 68);
+		var left = hi * 4294967296.0
+			+ (lo < 0 ? lo + 4294967296.0 : lo);
+		var event = UdpTracker.readInt32(pkt, 80);
+		var ipParam = UdpTracker.readInt32(pkt, 84);
+		var numwant = UdpTracker.readInt32(pkt, 92);
+		var port = (pkt.get(96) << 8) | pkt.get(97);
+		if (numwant <= 0 || numwant > 200) numwant = 50;
+		var host = host0 != null ? host0 : "127.0.0.1";
+		if (ipParam != 0) {
+			host = ((ipParam >> 24) & 0xff) + "."
+				+ ((ipParam >> 16) & 0xff) + "."
+				+ ((ipParam >> 8) & 0xff) + "."
+				+ (ipParam & 0xff);
+		}
+		var res = swarm.announce(infoHash, peerId, host, port,
+			left, event == 3, numwant);
+		log("announce " + Crypto.toHex(infoHash).substr(0, 8)
+			+ " peer=" + host + ":" + port + " event=" + event
+			+ " swarm=" + res.complete + "s/"
+			+ res.incomplete + "l reply=" + res.peers.length);
+		var r = new haxe.io.BytesBuffer();
+		UdpTracker.writeInt32(r, UdpTracker.ACTION_ANNOUNCE);
+		UdpTracker.writeInt32(r, tx);
+		UdpTracker.writeInt32(r, swarm.intervalSec);
+		UdpTracker.writeInt32(r, res.incomplete);
+		UdpTracker.writeInt32(r, res.complete);
+		UdpTracker.writePeers(r, res.peers);
+		return r.getBytes();
+	}
+
+	function log(m:String):Void {
+		if (onLog != null) {
+			var f = onLog;
+			leenkx.network.torrent.TorrentClient.postMain(
+				function() f(m));
+		}
+	}
+
+	function err(m:String):Void {
+		if (onError != null) {
+			var f = onError;
+			leenkx.network.torrent.TorrentClient.postMain(
+				function() f(m));
+		}
+	}
+}
+#end

leenkx/Sources/leenkx/network/torrent/transport/DatachannelTransport.hx

@@ -0,0 +1,166 @@
+package leenkx.network.torrent.transport;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.peer.IPeerChannel;
+import leenkx.network.torrent.peer.RtcPeerPool;
+import leenkx.network.torrent.transport.ITransport.TransportOpts;
+
+class DatachannelTransport implements ITransport {
+	static inline var CHANNEL_LABEL = "lx_channel";
+
+	public var onReady:Void -> Void;
+	public var onPeerConnected:String -> Int -> Void;
+	public var onPeerDisconnected:Int -> Void;
+	public var onPeerData:String -> Bytes -> Void;
+	public var onPeerHandshake:String -> String -> Void;
+	public var onTrackerUpdate:Dynamic -> Void;
+	public var onTrackerAnnounce:Void -> Void;
+	public var onError:String -> Void;
+
+	var announceUrl:String;
+	var iceServers:Array<String>;
+	var pk:String = "";
+	var ek:String = "";
+
+	var pool:RtcPeerPool = null;
+	var channels:Map<String, IPeerChannel> = [];
+	var peerPks:Map<String, String> = [];
+
+	public function new(announceUrl:String, ?iceServers:Array<String>) {
+		this.announceUrl = announceUrl;
+		this.iceServers = iceServers;
+	}
+
+	public function join(identifier:String, opts:TransportOpts):Void {
+		var url = announceUrl;
+		if (opts.announce != null && opts.announce.length > 0) {
+			url = opts.announce[0];
+		}
+		if (url == null || url == "") {
+			if (onError != null) onError("no announce tracker configured");
+			return;
+		}
+		if (opts.iceServers != null) iceServers = opts.iceServers;
+		pk = opts.pk != null ? opts.pk : "";
+		ek = opts.ek != null ? opts.ek : "";
+
+		#if hl
+		trace("WARNING: DatachannelTransport on HL requires -D lnx_datachannel");
+		#end
+
+		pool = new RtcPeerPool(iceServers, CHANNEL_LABEL, true, 0);
+		pool.onPeerChannel = onPeerChannel;
+		pool.onPeerLeft = onPeerLeft;
+		pool.onReady = function() {
+			if (onReady != null) onReady();
+			if (onTrackerAnnounce != null) onTrackerAnnounce();
+		};
+		pool.onTrackerUpdate = function(d) {
+			if (onTrackerUpdate != null) onTrackerUpdate(d);
+		};
+		pool.onError = function(msg) {
+			if (onError != null) onError(msg);
+		};
+		pool.connect(url, opts.infoHashBinary, opts.peerIdBinary);
+	}
+
+	public function broadcast(data:Bytes):Void {
+		for (peerId in channels.keys()) {
+			var ch = channels.get(peerId);
+			if (ch != null && ch.isOpen) {
+				try {
+					ch.send(data);
+				} catch(e:Dynamic) {
+					trace("DatachannelTransport broadcast error: " + e);
+				}
+			}
+		}
+	}
+
+	public function sendTo(peerPk:String, data:Bytes):Bool {
+		for (peerId in peerPks.keys()) {
+			if (peerPks.get(peerId) == peerPk) {
+				var ch = channels.get(peerId);
+				if (ch != null && ch.isOpen) {
+					try {
+						ch.send(data);
+						return true;
+					} catch(e:Dynamic) {
+						trace("DatachannelTransport sendTo error: " + e);
+					}
+				}
+				return false;
+			}
+		}
+		return false;
+	}
+
+	public function getPeerCount():Int {
+		return Lambda.count(channels);
+	}
+
+	public function destroy(?cb:Void -> Void):Void {
+		if (pool != null) {
+			pool.close();
+			pool = null;
+		}
+		channels.clear();
+		peerPks.clear();
+		if (cb != null) cb();
+	}
+
+	function onPeerChannel(peerId:String, ch:IPeerChannel):Void {
+		channels.set(peerId, ch);
+		var prevClose = ch.onClose;
+		ch.onClose = function() {
+			if (prevClose != null) prevClose();
+			dropChannel(peerId);
+		};
+		ch.onData = function(msg:Bytes) handleChannelMessage(peerId, msg);
+		sendHandshake(ch);
+		if (onPeerConnected != null) onPeerConnected(peerId, getPeerCount());
+	}
+
+	function onPeerLeft(peerId:String):Void {
+		dropChannel(peerId);
+	}
+
+	function dropChannel(peerId:String):Void {
+		if (!channels.exists(peerId)) return;
+		channels.remove(peerId);
+		peerPks.remove(peerId);
+		if (onPeerDisconnected != null) {
+			onPeerDisconnected(getPeerCount());
+		}
+	}
+
+	function handleChannelMessage(peerId:String, msg:Bytes):Void {
+		if (msg.length > 2 && msg.get(0) == 'h'.code
+				&& msg.get(1) == 's'.code) {
+			var hsStr = msg.sub(2, msg.length - 2).toString();
+			try {
+				var hs = haxe.Json.parse(hsStr);
+				if (hs.pk != null) {
+					peerPks.set(peerId, hs.pk);
+				}
+				if (onPeerHandshake != null && hs.pk != null) {
+					onPeerHandshake(hs.pk, hs.ek != null ? hs.ek : "");
+				}
+			} catch(e:Dynamic) {}
+		} else {
+			var peerPk = peerPks.get(peerId);
+			if (peerPk == null) peerPk = "";
+			if (onPeerData != null) onPeerData(peerPk, msg);
+		}
+	}
+
+	function sendHandshake(ch:IPeerChannel):Void {
+		var msg = Bytes.ofString("hs"
+			+ haxe.Json.stringify({pk: pk, ek: ek}));
+		try {
+			ch.send(msg);
+		} catch(e:Dynamic) {
+			trace("DatachannelTransport sendHandshake error: " + e);
+		}
+	}
+}

leenkx/Sources/leenkx/network/torrent/transport/ITransport.hx

@@ -0,0 +1,34 @@
+package leenkx.network.torrent.transport;
+
+import haxe.io.Bytes;
+
+typedef TransportOpts = {
+	@:optional var announce:Array<String>;
+	@:optional var name:String;
+	@:optional var iceServers:Array<String>;
+	@:optional var tracker:Dynamic;
+	@:optional var wtOpts:Dynamic;
+	@:optional var torrentOpts:Dynamic;
+	@:optional var torrent:Dynamic;
+	@:optional var pk:String;
+	@:optional var ek:String;
+	@:optional var infoHashBinary:String;
+	@:optional var peerIdBinary:String;
+}
+
+interface ITransport {
+	function join(identifier:String, opts:TransportOpts):Void;
+	function broadcast(data:Bytes):Void;
+	function sendTo(peerPk:String, data:Bytes):Bool;
+	function getPeerCount():Int;
+	function destroy(?cb:Void -> Void):Void;
+
+	var onReady:Void -> Void;
+	var onPeerConnected:String -> Int -> Void;
+	var onPeerDisconnected:Int -> Void;
+	var onPeerData:String -> Bytes -> Void;
+	var onPeerHandshake:String -> String -> Void;
+	var onTrackerUpdate:Dynamic -> Void;
+	var onTrackerAnnounce:Void -> Void;
+	var onError:String -> Void;
+}

leenkx/Sources/leenkx/network/torrent/transport/RtcNative.hx

@@ -0,0 +1,159 @@
+package leenkx.network.torrent.transport;
+
+#if kha_krom
+
+@:native("krom_rtc_init") extern function krom_rtc_init():Int;
+@:native("krom_rtc_cleanup") extern function krom_rtc_cleanup():Void;
+@:native("krom_rtc_create_peer_connection") extern function krom_rtc_create_peer_connection(iceServers:Array<String>):Int;
+@:native("krom_rtc_close_peer_connection") extern function krom_rtc_close_peer_connection(pc:Int):Void;
+@:native("krom_rtc_delete_peer_connection") extern function krom_rtc_delete_peer_connection(pc:Int):Void;
+@:native("krom_rtc_set_local_description") extern function krom_rtc_set_local_description(pc:Int, ?type:String):Void;
+@:native("krom_rtc_set_remote_description") extern function krom_rtc_set_remote_description(pc:Int, sdp:String, type:String):Int;
+@:native("krom_rtc_add_remote_candidate") extern function krom_rtc_add_remote_candidate(pc:Int, cand:String, mid:String):Int;
+@:native("krom_rtc_get_local_description") extern function krom_rtc_get_local_description(pc:Int):String;
+@:native("krom_rtc_get_local_description_type") extern function krom_rtc_get_local_description_type(pc:Int):String;
+@:native("krom_rtc_create_data_channel") extern function krom_rtc_create_data_channel(pc:Int, label:String, ?unordered:Bool, ?maxRetransmits:Int):Int;
+@:native("krom_rtc_delete_data_channel") extern function krom_rtc_delete_data_channel(dc:Int):Void;
+@:native("krom_rtc_send_message") extern function krom_rtc_send_message(id:Int, data:Dynamic):Int;
+@:native("krom_rtc_close") extern function krom_rtc_close(id:Int):Void;
+@:native("krom_rtc_delete") extern function krom_rtc_delete(id:Int):Void;
+@:native("krom_rtc_is_open") extern function krom_rtc_is_open(id:Int):Bool;
+@:native("krom_rtc_get_buffered_amount") extern function krom_rtc_get_buffered_amount(id:Int):Int;
+@:native("krom_rtc_set_local_description_callback") extern function krom_rtc_set_local_description_callback(pc:Int, fn:String -> String -> Void):Void;
+@:native("krom_rtc_set_local_candidate_callback") extern function krom_rtc_set_local_candidate_callback(pc:Int, fn:String -> String -> Void):Void;
+@:native("krom_rtc_set_state_change_callback") extern function krom_rtc_set_state_change_callback(pc:Int, fn:Int -> Void):Void;
+@:native("krom_rtc_set_gathering_state_callback") extern function krom_rtc_set_gathering_state_callback(pc:Int, fn:Int -> Void):Void;
+@:native("krom_rtc_set_data_channel_callback") extern function krom_rtc_set_data_channel_callback(pc:Int, fn:Int -> Void):Void;
+@:native("krom_rtc_set_open_callback") extern function krom_rtc_set_open_callback(id:Int, fn:Void -> Void):Void;
+@:native("krom_rtc_set_closed_callback") extern function krom_rtc_set_closed_callback(id:Int, fn:Void -> Void):Void;
+@:native("krom_rtc_set_error_callback") extern function krom_rtc_set_error_callback(id:Int, fn:String -> Void):Void;
+@:native("krom_rtc_set_message_callback") extern function krom_rtc_set_message_callback(id:Int, fn:Dynamic -> Void):Void;
+@:native("krom_rtc_random_bytes") extern function krom_rtc_random_bytes(len:Int):js.lib.ArrayBuffer;
+
+class RtcNative {
+	public static inline var RTC_NEW:Int = 0;
+	public static inline var RTC_CONNECTING:Int = 1;
+	public static inline var RTC_CONNECTED:Int = 2;
+	public static inline var RTC_DISCONNECTED:Int = 3;
+	public static inline var RTC_FAILED:Int = 4;
+	public static inline var RTC_CLOSED:Int = 5;
+
+	public static inline var RTC_GATHERING_NEW:Int = 0;
+	public static inline var RTC_GATHERING_INPROGRESS:Int = 1;
+	public static inline var RTC_GATHERING_COMPLETE:Int = 2;
+
+	public static function init():Int {
+		return krom_rtc_init();
+	}
+
+	public static function cleanup():Void {
+		krom_rtc_cleanup();
+	}
+
+	public static function createPeerConnection(iceServers:Array<String>):Int {
+		return krom_rtc_create_peer_connection(iceServers);
+	}
+
+	public static function closePeerConnection(pc:Int):Void {
+		krom_rtc_close_peer_connection(pc);
+	}
+
+	public static function deletePeerConnection(pc:Int):Void {
+		krom_rtc_delete_peer_connection(pc);
+	}
+
+	public static function setLocalDescription(pc:Int, ?type:String):Void {
+		krom_rtc_set_local_description(pc, type);
+	}
+
+	public static function setRemoteDescription(pc:Int, sdp:String, type:String):Int {
+		return krom_rtc_set_remote_description(pc, sdp, type);
+	}
+
+	public static function addRemoteCandidate(pc:Int, cand:String, mid:String):Int {
+		return krom_rtc_add_remote_candidate(pc, cand, mid);
+	}
+
+	public static function getLocalDescription(pc:Int):String {
+		return krom_rtc_get_local_description(pc);
+	}
+
+	public static function getLocalDescriptionType(pc:Int):String {
+		return krom_rtc_get_local_description_type(pc);
+	}
+
+	public static function createDataChannel(pc:Int, label:String, unordered:Bool = true, maxRetransmits:Int = 0):Int {
+		return krom_rtc_create_data_channel(pc, label, unordered, maxRetransmits);
+	}
+
+	public static function deleteDataChannel(dc:Int):Void {
+		krom_rtc_delete_data_channel(dc);
+	}
+
+	public static function sendMessage(id:Int, data:Dynamic):Int {
+		return krom_rtc_send_message(id, data);
+	}
+
+	public static function close(id:Int):Void {
+		krom_rtc_close(id);
+	}
+
+	public static function delete(id:Int):Void {
+		krom_rtc_delete(id);
+	}
+
+	public static function isOpen(id:Int):Bool {
+		return krom_rtc_is_open(id);
+	}
+
+	public static function getBufferedAmount(id:Int):Int {
+		return krom_rtc_get_buffered_amount(id);
+	}
+
+	public static function setLocalDescriptionCallback(pc:Int, fn:String -> String -> Void):Void {
+		krom_rtc_set_local_description_callback(pc, fn);
+	}
+
+	public static function setLocalCandidateCallback(pc:Int, fn:String -> String -> Void):Void {
+		krom_rtc_set_local_candidate_callback(pc, fn);
+	}
+
+	public static function setStateChangeCallback(pc:Int, fn:Int -> Void):Void {
+		krom_rtc_set_state_change_callback(pc, fn);
+	}
+
+	public static function setGatheringStateCallback(pc:Int, fn:Int -> Void):Void {
+		krom_rtc_set_gathering_state_callback(pc, fn);
+	}
+
+	public static function setDataChannelCallback(pc:Int, fn:Int -> Void):Void {
+		krom_rtc_set_data_channel_callback(pc, fn);
+	}
+
+	public static function setOpenCallback(id:Int, fn:Void -> Void):Void {
+		krom_rtc_set_open_callback(id, fn);
+	}
+
+	public static function setClosedCallback(id:Int, fn:Void -> Void):Void {
+		krom_rtc_set_closed_callback(id, fn);
+	}
+
+	public static function setErrorCallback(id:Int, fn:String -> Void):Void {
+		krom_rtc_set_error_callback(id, fn);
+	}
+
+	public static function setMessageCallback(id:Int, fn:Dynamic -> Void):Void {
+		krom_rtc_set_message_callback(id, fn);
+	}
+
+	public static function randomBytes(length:Int):haxe.io.Bytes {
+		try {
+			var buf = krom_rtc_random_bytes(length);
+			return buf != null ? haxe.io.Bytes.ofData(buf) : null;
+		} catch (e:Dynamic) {
+			return null;
+		}
+	}
+}
+
+#end

leenkx/Sources/leenkx/network/torrent/transport/RtcSignaling.hx

@@ -0,0 +1,268 @@
+package leenkx.network.torrent.transport;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.Crypto;
+import leenkx.network.torrent.TorrentInfo;
+
+class RtcSignaling {
+
+	static inline var OFFER_TIMEOUT = 50 * 1000;
+	static inline var NUM_WANT = 5;
+
+	public var numwant:Int = NUM_WANT;
+
+	var client:WsTrackerClient;
+	var infoHashBinary:String;
+	var peerIdBinary:String;
+	var destroyed:Bool = false;
+	var trackerId:String = null;
+
+	var intervalTimer:haxe.Timer = null;
+	var pendingOffers:Map<String, haxe.Timer> = [];
+
+	public var onConnected:Void -> Void;
+	public var onTrackerUpdate:Dynamic -> Void;
+	public var onCreateOffer:String -> (String -> Void) -> Void;
+	public var onRemoteOffer:String -> String -> Dynamic -> Void;
+	public var onRemoteAnswer:String -> String -> Dynamic -> Void;
+	public var onOfferTimeout:String -> Void;
+	public var onPeerLeft:String -> Void;
+	public var onError:String -> Void;
+	public var statsProvider:Void -> {downloaded:Float, uploaded:Float,
+		left:Float} = null;
+
+	public function new(url:String, infoHashBinary:String, peerIdBinary:String) {
+		this.infoHashBinary = infoHashBinary;
+		this.peerIdBinary = peerIdBinary;
+		client = new WsTrackerClient(url);
+		client.onOpen = function() {
+			if (destroyed) return;
+			announce(null);
+			if (onConnected != null) onConnected();
+		};
+		client.onMessage = onMessage;
+		client.onClose = cleanupTimers;
+		client.onError = function(err) {
+			if (destroyed) return;
+			cleanupTimers();
+			if (onError != null) onError(err);
+		};
+	}
+
+	public function start():Void {
+		client.start();
+	}
+
+	function onMessage(data:String):Void {
+		if (destroyed) return;
+		var msg:Dynamic;
+		try {
+			msg = haxe.Json.parse(data);
+		} catch(e) {
+			return;
+		}
+		if (msg.action == "announce") {
+			onAnnounceResponse(msg);
+		}
+	}
+
+	function cleanupTimers():Void {
+		if (intervalTimer != null) {
+			intervalTimer.stop();
+			intervalTimer = null;
+		}
+		for (offerId => timer in pendingOffers) {
+			timer.stop();
+		}
+		pendingOffers.clear();
+	}
+
+	public function setAnnounceInterval(intervalMs:Int):Void {
+		if (intervalTimer != null) {
+			intervalTimer.stop();
+			intervalTimer = null;
+		}
+		if (intervalMs > 0) {
+			intervalTimer = new haxe.Timer(intervalMs);
+			intervalTimer.run = function() {
+				announce(null);
+			};
+		}
+	}
+
+	public function announceEvent(event:String):Void {
+		announce(event);
+	}
+
+	function announce(event:String):Void {
+		if (destroyed || !client.isConnected) return;
+		var stats = statsProvider != null ? statsProvider()
+			: {downloaded: 0.0, uploaded: 0.0, left: 0.0};
+		var params:Dynamic = {
+			action: "announce",
+			info_hash: infoHashBinary,
+			peer_id: peerIdBinary,
+			numwant: numwant,
+			uploaded: Std.int(stats.uploaded),
+			downloaded: Std.int(stats.downloaded),
+			left: Std.int(stats.left)
+		};
+		if (event != null) {
+			Reflect.setField(params, "event", event);
+		}
+		if (trackerId != null) {
+			Reflect.setField(params, "trackerid", trackerId);
+		}
+		if (event == "stopped" || event == "completed") {
+			client.send(params);
+		} else if (onCreateOffer != null) {
+			var nw = numwant;
+			var offers:Array<Dynamic> = [];
+			var completed = 0;
+			var sent = false;
+			var announceTimer = new haxe.Timer(Std.int(OFFER_TIMEOUT));
+			announceTimer.run = function() {
+				announceTimer.stop();
+				if (!sent) {
+					sent = true;
+					if (offers.length > 0) {
+						Reflect.setField(params, "numwant", offers.length);
+						Reflect.setField(params, "offers", offers);
+					}
+					client.send(params);
+				}
+			};
+			for (i in 0...nw) {
+				var offerIdHex = Crypto.toHex(Crypto.randomBytes(20));
+				createSingleOffer(offerIdHex, function(sdp:String) {
+					offers.push({
+						offer: {type: "offer", sdp: sdp},
+						offer_id: hexToBinaryString(offerIdHex)
+					});
+					completed++;
+					if (completed == nw && !sent) {
+						announceTimer.stop();
+						sent = true;
+						Reflect.setField(params, "numwant", nw);
+						Reflect.setField(params, "offers", offers);
+						client.send(params);
+					}
+				});
+			}
+		} else {
+			client.send(params);
+		}
+	}
+
+	function createSingleOffer(offerIdHex:String, cb:String -> Void):Void {
+		onCreateOffer(offerIdHex, cb);
+		var timer = new haxe.Timer(Std.int(OFFER_TIMEOUT));
+		timer.run = function() {
+			timer.stop();
+			pendingOffers.remove(offerIdHex);
+			if (onOfferTimeout != null) onOfferTimeout(offerIdHex);
+		};
+		pendingOffers.set(offerIdHex, timer);
+	}
+
+	function onAnnounceResponse(data:Dynamic):Void {
+		var dataIh = Reflect.field(data, "info_hash");
+		if (Std.string(dataIh) != infoHashBinary) {
+			return;
+		}
+		var dataPeerId = Reflect.field(data, "peer_id");
+		if (dataPeerId != null && Std.string(dataPeerId) == peerIdBinary) {
+			return;
+		}
+		var failure = Reflect.field(data, "failure reason");
+		if (failure != null) {
+			trace('[RtcSignaling] FAILURE: ' + Std.string(failure));
+			return;
+		}
+		var warning = Reflect.field(data, "warning message");
+		if (warning != null) {
+			trace('[RtcSignaling] WARNING: ' + Std.string(warning));
+			return;
+		}
+		var interval = Reflect.field(data, "interval");
+		if (interval == null) {
+			interval = Reflect.field(data, "min interval");
+		}
+		if (interval != null) {
+			setAnnounceInterval(Std.int(Std.parseFloat(Std.string(interval)) * 1000));
+		}
+		var tid = Reflect.field(data, "tracker id");
+		if (tid != null) {
+			trackerId = Std.string(tid);
+		}
+		if (Reflect.field(data, "complete") != null) {
+			if (onTrackerUpdate != null) onTrackerUpdate(data);
+		}
+		var offer = Reflect.field(data, "offer");
+		var peerId = Reflect.field(data, "peer_id");
+		if (offer != null && peerId != null) {
+			var peerIdHex = binaryStringToHex(Std.string(peerId));
+			var offerIdHex = binaryStringToHex(
+				Std.string(Reflect.field(data, "offer_id")));
+			if (onRemoteOffer != null) {
+				onRemoteOffer(peerIdHex, offerIdHex, offer);
+			}
+		}
+		var answer = Reflect.field(data, "answer");
+		if (answer != null && peerId != null) {
+			var offerIdHex = binaryStringToHex(
+				Std.string(Reflect.field(data, "offer_id")));
+			var peerIdHex = binaryStringToHex(Std.string(peerId));
+			var timer = pendingOffers.get(offerIdHex);
+			if (timer != null) {
+				timer.stop();
+				pendingOffers.remove(offerIdHex);
+			}
+			if (onRemoteAnswer != null) {
+				onRemoteAnswer(peerIdHex, offerIdHex, answer);
+			}
+		}
+		var event = Reflect.field(data, "event");
+		if (peerId != null && Std.string(event) == "stopped") {
+			var peerIdHex = binaryStringToHex(Std.string(peerId));
+			if (onPeerLeft != null) onPeerLeft(peerIdHex);
+		}
+	}
+
+	public function sendAnswer(toPeerIdHex:String, offerIdHex:String, sdp:String):Void {
+		if (destroyed || !client.isConnected) return;
+		var stats = statsProvider != null ? statsProvider()
+			: {downloaded: 0.0, uploaded: 0.0, left: 0.0};
+		var params:Dynamic = {
+			action: "announce",
+			info_hash: infoHashBinary,
+			peer_id: peerIdBinary,
+			left: Std.int(stats.left),
+			to_peer_id: hexToBinaryString(toPeerIdHex),
+			answer: {type: "answer", sdp: sdp},
+			offer_id: hexToBinaryString(offerIdHex)
+		};
+		if (trackerId != null) {
+			Reflect.setField(params, "trackerid", trackerId);
+		}
+		client.send(params);
+	}
+
+	public function close():Void {
+		if (destroyed) return;
+		if (client.isConnected) {
+			announce("stopped");
+		}
+		destroyed = true;
+		cleanupTimers();
+		client.close();
+	}
+
+	function hexToBinaryString(hex:String):String {
+		return TorrentInfo.toBinaryString(Bytes.ofHex(hex));
+	}
+
+	function binaryStringToHex(bin:String):String {
+		return Crypto.toHex(TorrentInfo.fromBinaryString(bin));
+	}
+}

leenkx/Sources/leenkx/network/torrent/transport/WebTorrent.hx

@@ -0,0 +1,50 @@
+package leenkx.network.torrent.transport;
+
+#if (js && !kha_krom)
+@:native("WebTorrent")
+extern class WebTorrent {
+	function new(?opts:Dynamic);
+	function seed(input:Dynamic, ?opts:Dynamic, ?cb:Dynamic -> Void):Torrent;
+	function add(torrentId:Dynamic, ?opts:Dynamic, ?cb:Torrent -> Void):Torrent;
+	function remove(torrent:Dynamic, ?cb:Void -> Void):Void;
+	function destroy(?cb:Void -> Void):Void;
+	function on(event:String, cb:Dynamic -> Void):Void;
+	var torrents:Array<Torrent>;
+}
+
+@:native("Torrent")
+extern class Torrent {
+	var ready:Bool;
+	var wires:Array<Wire>;
+	var files:Array<TorrentFile>;
+	var magnetURI:String;
+	var infoHash:String;
+	var length:Int;
+	var downloaded:Int;
+	var uploaded:Int;
+	var numPeers:Int;
+	var discovery:Dynamic;
+	function on(event:String, cb:Dynamic -> Void):Void;
+	function destroy(?cb:Void -> Void):Void;
+}
+
+@:native("Wire")
+extern class Wire {
+	var peerId:String;
+	var addr:String;
+	var peerExtendedHandshake:Dynamic;
+	var extendedHandshake:Dynamic;
+	function use(ext:Dynamic):Void;
+	function extended(name:String, message:Dynamic):Void;
+	function on(event:String, cb:Dynamic -> Void):Void;
+}
+
+extern class TorrentFile {
+	var name:String;
+	var path:String;
+	var length:Int;
+	function getBuffer(cb:Dynamic -> Void):Void;
+	function appendTo(elem:Dynamic):Void;
+	function streamTo(elem:Dynamic):Void;
+}
+#end

leenkx/Sources/leenkx/network/torrent/transport/WebTorrentTransport.hx

@@ -0,0 +1,221 @@
+package leenkx.network.torrent.transport;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.transport.ITransport.TransportOpts;
+
+#if (js && !kha_krom)
+import leenkx.network.torrent.transport.WebTorrent;
+import js.lib.Uint8Array;
+
+class WebTorrentTransport implements ITransport {
+	public var onReady:Void -> Void;
+	public var onPeerConnected:String -> Int -> Void;
+	public var onPeerDisconnected:Int -> Void;
+	public var onPeerData:String -> Bytes -> Void;
+	public var onPeerHandshake:String -> String -> Void;
+	public var onTrackerUpdate:Dynamic -> Void;
+	public var onTrackerAnnounce:Void -> Void;
+	public var onError:String -> Void;
+
+	public var wt:WebTorrent;
+	public var torrent:Torrent;
+	var torrentCreated:Bool = false;
+	var extName:String = "lx_channel";
+	var lastWireCount:Int = 0;
+	var pk:String;
+	var ek:String;
+	var identifier:String;
+
+	public function new(?existingWt:WebTorrent) {
+		#if js
+		this.wt = existingWt;
+		#end
+	}
+
+	public function join(identifier:String, opts:TransportOpts):Void {
+		#if js
+		var trackerOpts = opts.tracker != null ? opts.tracker : {};
+		if (opts.iceServers != null) {
+			Reflect.setField(trackerOpts, "rtcConfig", {iceServers: opts.iceServers});
+		}
+		if (this.wt == null) {
+			var wtOpts:Dynamic = {tracker: trackerOpts};
+			if (opts.wtOpts != null) {
+				wtOpts = js.lib.Object.assign(js.lib.Object.assign({}, wtOpts), opts.wtOpts);
+			}
+			this.wt = new WebTorrent(wtOpts);
+		}
+		var blob:Dynamic = createBlob(identifier);
+		var torrentOpts:Dynamic = {
+			name: identifier,
+			announce: opts.announce != null ? opts.announce : leenkx.network.torrent.TorrentClient.defaultTrackers
+		};
+		if (opts.torrentOpts != null) {
+			torrentOpts = js.lib.Object.assign(
+				js.lib.Object.assign({}, torrentOpts), opts.torrentOpts);
+		}
+		this.pk = opts.pk;
+		this.ek = opts.ek;
+		this.identifier = identifier;
+		if (opts.torrent != null) {
+			this.torrent = opts.torrent;
+			this.torrentCreated = false;
+			if (this.torrent.ready) {
+				onTorrentReady();
+			} else {
+				this.torrent.on("ready", (_) -> onTorrentReady());
+			}
+			for (wire in (this.torrent.wires:Array<Dynamic>)) {
+				attachWire(wire);
+			}
+		} else {
+			this.torrent = this.wt.seed(blob, torrentOpts, (t) -> onTorrentReady());
+			this.torrentCreated = true;
+		}
+		this.torrent.on("wire", (wire) -> attachWire(wire));
+		this.wt.on("error", (err:Dynamic) -> {
+			if (onError != null) onError(Std.string(err));
+		});
+		#end
+	}
+
+	public function broadcast(data:Bytes):Void {
+		#if js
+		if (torrent == null) return;
+		var wires = torrent.wires;
+		for (w in 0...wires.length) {
+			var extHs = wires[w].peerExtendedHandshake;
+			if (extHs != null && extHs.m != null) {
+				var m:Dynamic = extHs.m;
+				if (Reflect.field(m, extName) != null) {
+					wires[w].extended(extName, haxeBytesToJs(data));
+				}
+			}
+		}
+		#end
+	}
+
+	public function sendTo(peerPk:String, data:Bytes):Bool {
+		#if js
+		if (torrent == null) return false;
+		var wires = torrent.wires;
+		for (w in 0...wires.length) {
+			var extHs = wires[w].peerExtendedHandshake;
+			if (extHs != null && extHs.m != null && extHs.pk != null
+				&& extHs.pk.toString() == peerPk
+				&& Reflect.field(extHs.m, extName) != null) {
+				wires[w].extended(extName, haxeBytesToJs(data));
+				return true;
+			}
+		}
+		#end
+		return false;
+	}
+
+	public function getPeerCount():Int {
+		#if js
+		if (torrent == null) return 0;
+		return torrent.wires.length;
+		#else
+		return 0;
+		#end
+	}
+
+	public function destroy(?cb:Void -> Void):Void {
+		#if js
+		if (wt != null && torrentCreated) {
+			wt.remove(torrent, cb);
+		} else if (cb != null) {
+			cb();
+		}
+		#else
+		if (cb != null) cb();
+		#end
+	}
+
+	#if js
+	function onTorrentReady():Void {
+		if (onReady != null) onReady();
+		if (torrent.discovery != null && torrent.discovery.tracker != null) {
+			torrent.discovery.tracker.on("update", (update:Dynamic) -> {
+				if (onTrackerUpdate != null) onTrackerUpdate(update);
+			});
+		}
+		if (torrent.discovery != null) {
+			torrent.discovery.on("trackerAnnounce", () -> {
+				if (onTrackerAnnounce != null) onTrackerAnnounce();
+				checkWireCount();
+			});
+		}
+	}
+
+	function attachWire(wire:Wire):Void {
+		wire.use(wireExtension(wire));
+		wire.on("close", (_) -> {
+			if (onPeerDisconnected != null)
+				onPeerDisconnected(torrent.wires.length);
+		});
+	}
+
+	function wireExtension(wire:Wire):Dynamic {
+		var ext:Dynamic = {
+			name: extName,
+			onExtendedHandshake: (handshake:Dynamic) -> {
+				checkWireCount();
+				if (onPeerHandshake != null) {
+					var hsPk:String = handshake.pk != null ? handshake.pk.toString() : "";
+					var hsEk:String = handshake.ek != null ? handshake.ek.toString() : "";
+					onPeerHandshake(hsPk, hsEk);
+				}
+			},
+			onMessage: (msg:Dynamic) -> {
+				var peerPk:String = "";
+				var extHs = wire.peerExtendedHandshake;
+				if (extHs != null && extHs.pk != null) {
+					peerPk = extHs.pk.toString();
+				}
+				if (onPeerData != null)
+					onPeerData(peerPk, jsBytesToHaxe(msg));
+			}
+		};
+		wire.extendedHandshake.id = identifier;
+		wire.extendedHandshake.pk = pk;
+		wire.extendedHandshake.ek = ek;
+		return ext;
+	}
+
+	function checkWireCount():Void {
+		var count = torrent.wires.length;
+		if (count != lastWireCount) {
+			if (count > lastWireCount) {
+				if (onPeerConnected != null) onPeerConnected(null, count);
+			} else {
+				if (onPeerDisconnected != null) onPeerDisconnected(count);
+			}
+			lastWireCount = count;
+		}
+	}
+
+	function createBlob(identifier:String):Dynamic {
+		if (js.Syntax.typeof(js.Syntax.code("File")) != "undefined") {
+			return new js.html.File([identifier], identifier);
+		} else {
+			var buf:Dynamic = js.Syntax.code('Buffer.from({0})', identifier);
+			Reflect.setField(buf, "name", identifier);
+			return buf;
+		}
+	}
+
+	static function haxeBytesToJs(bytes:Bytes):Uint8Array {
+		return new Uint8Array(@:privateAccess bytes.b);
+	}
+
+	static function jsBytesToHaxe(arr:Dynamic):Bytes {
+		var len:Int = arr.length;
+		var bytes = Bytes.alloc(len);
+		for (i in 0...len) bytes.set(i, arr[i]);
+		return bytes;
+	}
+	#end
+}
+#end

leenkx/Sources/leenkx/network/torrent/transport/WireTransport.hx

@@ -0,0 +1,149 @@
+package leenkx.network.torrent.transport;
+
+import haxe.io.Bytes;
+import leenkx.network.torrent.TorrentInfo;
+import leenkx.network.torrent.peer.IPeerChannel;
+import leenkx.network.torrent.peer.RtcPeerPool;
+import leenkx.network.torrent.peer.WireProtocol;
+import leenkx.network.torrent.transport.ITransport.TransportOpts;
+
+class WireTransport implements ITransport {
+	static inline var EXT = "lx_channel";
+
+	public var onReady:Void -> Void;
+	public var onPeerConnected:String -> Int -> Void;
+	public var onPeerDisconnected:Int -> Void;
+	public var onPeerData:String -> Bytes -> Void;
+	public var onPeerHandshake:String -> String -> Void;
+	public var onTrackerUpdate:Dynamic -> Void;
+	public var onTrackerAnnounce:Void -> Void;
+	public var onError:String -> Void;
+
+	var announceUrl:String;
+	var iceServers:Array<String>;
+	var identifier:String;
+	var pk:String = "";
+	var ek:String = "";
+	var infoHash:Bytes;
+	var btPeerId:Bytes;
+
+	var pool:RtcPeerPool = null;
+	var wires:Map<String, WireProtocol> = [];
+	var peerPks:Map<String, String> = [];
+	var ready:Bool = false;
+
+	public function new(announceUrl:String, ?iceServers:Array<String>) {
+		this.announceUrl = announceUrl;
+		this.iceServers = iceServers;
+	}
+
+	public function join(identifier:String, opts:TransportOpts):Void {
+		this.identifier = identifier;
+		var url = announceUrl;
+		if (opts.announce != null && opts.announce.length > 0) {
+			url = opts.announce[0];
+		}
+		if (url == null || url == "") {
+			if (onError != null) onError("no announce tracker configured");
+			return;
+		}
+		if (opts.iceServers != null) iceServers = opts.iceServers;
+		pk = opts.pk != null ? opts.pk : "";
+		ek = opts.ek != null ? opts.ek : "";
+		infoHash = TorrentInfo.fromBinaryString(opts.infoHashBinary);
+		btPeerId = TorrentInfo.fromBinaryString(opts.peerIdBinary);
+
+		pool = new RtcPeerPool(iceServers);
+		pool.onPeerChannel = onPeerChannel;
+		pool.onPeerLeft = onPeerLeft;
+		pool.onReady = function() {
+			ready = true;
+			if (onTrackerAnnounce != null) onTrackerAnnounce();
+			if (onReady != null) onReady();
+		};
+		pool.onTrackerUpdate = function(d) {
+			if (onTrackerUpdate != null) onTrackerUpdate(d);
+		};
+		pool.onError = function(msg) {
+			if (onError != null) onError(msg);
+		};
+		pool.connect(url, opts.infoHashBinary, opts.peerIdBinary);
+	}
+
+	public function broadcast(data:Bytes):Void {
+		for (peerId in wires.keys()) {
+			var wire = wires.get(peerId);
+			if (wire != null) wire.sendExtended(EXT, data);
+		}
+	}
+
+	public function sendTo(peerPk:String, data:Bytes):Bool {
+		for (peerId in peerPks.keys()) {
+			if (peerPks.get(peerId) == peerPk) {
+				var wire = wires.get(peerId);
+				if (wire != null) return wire.sendExtended(EXT, data);
+				return false;
+			}
+		}
+		return false;
+	}
+
+	public function getPeerCount():Int {
+		return Lambda.count(wires);
+	}
+
+	public function destroy(?cb:Void -> Void):Void {
+		if (pool != null) {
+			pool.close();
+			pool = null;
+		}
+		wires.clear();
+		peerPks.clear();
+		ready = false;
+		if (cb != null) cb();
+	}
+
+	function onPeerChannel(peerId:String, ch:IPeerChannel):Void {
+		var wire = new WireProtocol(ch, infoHash, btPeerId);
+		wires.set(peerId, wire);
+		wire.extHandshakeFields = {id: identifier, pk: pk, ek: ek};
+		wire.onExtendedHandshake = function(hs:Dynamic) {
+			var pkBytes:Bytes = Reflect.field(hs, "pk");
+			var ekBytes:Bytes = Reflect.field(hs, "ek");
+			var remotePk = pkBytes != null ? pkBytes.toString() : "";
+			var remoteEk = ekBytes != null ? ekBytes.toString() : "";
+			if (remotePk != "") peerPks.set(peerId, remotePk);
+			if (onPeerHandshake != null && remotePk != "") {
+				onPeerHandshake(remotePk, remoteEk);
+			}
+			if (onPeerConnected != null) {
+				onPeerConnected(peerId, getPeerCount());
+			}
+		};
+		wire.onExtended = function(name:String, data:Bytes) {
+			if (name != EXT) return;
+			var senderPk = peerPks.get(peerId);
+			if (onPeerData != null) {
+				onPeerData(senderPk != null ? senderPk : peerId, data);
+			}
+		};
+		wire.onClose = function() dropWire(peerId);
+		wire.onError = function(msg:String) {
+			if (onError != null) onError(msg);
+		};
+		wire.start([EXT]);
+	}
+
+	function onPeerLeft(peerId:String):Void {
+		dropWire(peerId);
+	}
+
+	function dropWire(peerId:String):Void {
+		if (!wires.exists(peerId)) return;
+		wires.remove(peerId);
+		peerPks.remove(peerId);
+		if (onPeerDisconnected != null) {
+			onPeerDisconnected(getPeerCount());
+		}
+	}
+}

leenkx/Sources/leenkx/network/torrent/transport/WsTrackerClient.hx

@@ -0,0 +1,414 @@
+package leenkx.network.torrent.transport;
+
+import leenkx.network.Types.MessageType;
+import leenkx.network.WebSocket;
+import leenkx.network.torrent.Crypto;
+import leenkx.network.torrent.TorrentClient;
+import leenkx.network.torrent.TorrentInfo;
+
+class WsTrackerClient {
+
+	static inline var RECONNECT_MINIMUM = 10 * 1000;
+	static inline var RECONNECT_MAXIMUM = 60 * 60 * 1000;
+	static inline var RECONNECT_VARIANCE = 5 * 60 * 1000;
+
+	public var onOpen:Void -> Void;
+	public var onMessage:String -> Void;
+	public var onClose:Void -> Void;
+	public var onError:String -> Void;
+
+	public var isConnected(get, never):Bool;
+	function get_isConnected():Bool return connected;
+
+	var url:String;
+	var ws:WebSocket = null;
+	var connected:Bool = false;
+	var destroyed:Bool = false;
+	var reconnecting:Bool = false;
+	var retries:Int = 0;
+	var reconnectTimer:haxe.Timer = null;
+
+	public function new(url:String) {
+		this.url = url;
+	}
+
+	public function start():Void {
+		openSocket();
+	}
+
+	function openSocket():Void {
+		destroyed = false;
+		var sock:WebSocket = null;
+		try {
+			sock = new WebSocket(url);
+		} catch(e:Dynamic) {
+			TorrentClient.postMain(function() onSocketError(e));
+			return;
+		}
+		ws = sock;
+		sock.onopen = function() {
+			TorrentClient.postMain(onSocketConnect);
+		};
+		sock.onmessage = function(m:MessageType) {
+			switch (m) {
+				case StrMessage(s):
+					var msg = s;
+					TorrentClient.postMain(function() onSocketData(msg));
+				case BytesMessage(b):
+					var msg = b.readAllAvailableBytes().toString();
+					TorrentClient.postMain(function() onSocketData(msg));
+			}
+		};
+		sock.onclose = function() {
+			TorrentClient.postMain(onSocketClose);
+		};
+		sock.onerror = function(e:Dynamic) {
+			var err = Std.string(e);
+			TorrentClient.postMain(function() onSocketError(err));
+		};
+	}
+
+	function onSocketConnect():Void {
+		if (destroyed) return;
+		connected = true;
+		if (reconnecting) {
+			reconnecting = false;
+			retries = 0;
+		}
+		if (onOpen != null) onOpen();
+	}
+
+	function onSocketData(msg:String):Void {
+		if (destroyed) return;
+		if (onMessage != null) onMessage(msg);
+	}
+
+	function onSocketClose():Void {
+		if (destroyed) return;
+		connected = false;
+		if (onClose != null) onClose();
+		startReconnectTimer();
+	}
+
+	function onSocketError(err:String):Void {
+		if (destroyed) return;
+		connected = false;
+		if (onError != null) onError(err);
+		startReconnectTimer();
+	}
+
+	function startReconnectTimer():Void {
+		if (reconnecting || destroyed) return;
+		reconnecting = true;
+		var ms = Math.floor(Math.random() * RECONNECT_VARIANCE)
+			+ Math.min(Math.pow(2, retries) * RECONNECT_MINIMUM,
+				RECONNECT_MAXIMUM);
+		if (reconnectTimer != null) reconnectTimer.stop();
+		reconnectTimer = new haxe.Timer(Std.int(ms));
+		reconnectTimer.run = function() {
+			retries++;
+			reconnectTimer.stop();
+			reconnectTimer = null;
+			reconnecting = false;
+			openSocket();
+		};
+	}
+
+	public function send(msg:Dynamic):Bool {
+		if (ws == null || !connected) return false;
+		var json = haxe.Json.stringify(msg);
+		var out = new StringBuf();
+		for (i in 0...json.length) {
+			var c = StringTools.fastCodeAt(json, i);
+			if (c > 0x7F || c < 0x20) {
+				out.add("\\u");
+				out.add(StringTools.hex(c, 4));
+			} else {
+				out.addChar(c);
+			}
+		}
+		json = out.toString();
+		ws.send(json);
+		return true;
+	}
+
+	public function close():Void {
+		destroyed = true;
+		connected = false;
+		if (reconnectTimer != null) {
+			reconnectTimer.stop();
+			reconnectTimer = null;
+		}
+		if (ws != null) {
+			ws.close();
+			ws = null;
+		}
+	}
+}
+
+#if (sys || kha_krom)
+class WsTrackerHandler extends leenkx.network.WebSocketHandler {
+	public function new(socket:leenkx.network.SocketImpl) {
+		super(socket);
+	}
+}
+
+typedef WsSwarmPeer = {
+	h:WsTrackerHandler,
+	peerId:String,
+	infoHash:String,
+	left:Float
+}
+
+class WsTrackerServer {
+	public var intervalSec:Int = 30;
+	public var onLog:String -> Void = null;
+	public var onError:String -> Void = null;
+
+	var host:String;
+	var port:Int;
+	var maxConns:Int;
+	var server:leenkx.network.WebSocketServer<WsTrackerHandler>
+		= null;
+
+	var peers:Map<String, WsSwarmPeer> = [];
+	var connKeys:Map<WsTrackerHandler, Array<String>> = [];
+	var rrCursor:Map<String, Int> = [];
+
+	public function new(host:String, port:Int, maxConns:Int = 128) {
+		this.host = host;
+		this.port = port;
+		this.maxConns = maxConns;
+	}
+
+	function createServer():leenkx.network.WebSocketServer<WsTrackerHandler> {
+		return new leenkx.network.WebSocketServer
+			<WsTrackerHandler>(host, port, maxConns);
+	}
+
+	public function start():Void {
+		if (server != null) return;
+		server = createServer();
+		var self = this;
+		server.onClientAdded = function(h:WsTrackerHandler) {
+			h.onmessage = function(m:MessageType) {
+				self.onMsg(h, m);
+			};
+			h.onclose = function() self.onConnClose(h);
+			h.onerror = function(e:Dynamic) {
+				self.err("client " + h.id.substr(0, 8)
+					+ ": " + Std.string(e));
+			};
+			self.log("client " + h.id.substr(0, 8)
+				+ " connected");
+		};
+		server.onClientRemoved = function(h:WsTrackerHandler) {
+			self.onConnClose(h);
+		};
+		server.start();
+		log("ws tracker listening on " + url()
+			+ " maxConns=" + maxConns);
+	}
+
+	public function url():String {
+		return scheme() + "://" + host + ":" + port;
+	}
+
+	function scheme():String return "ws";
+
+	public function stop():Void {
+		if (server != null) server.stop();
+		server = null;
+		peers.clear();
+		connKeys.clear();
+		rrCursor.clear();
+	}
+
+	function onMsg(h:WsTrackerHandler, m:MessageType):Void {
+		var s:String = switch (m) {
+			case StrMessage(t): t;
+			case BytesMessage(b):
+				b.readAllAvailableBytes().toString();
+		};
+		var msg:Dynamic = null;
+		try {
+			msg = haxe.Json.parse(s);
+		} catch (e:Dynamic) {
+			return;
+		}
+		if (msg == null || msg.action != "announce") return;
+		var ih = Std.string(Reflect.field(msg, "info_hash"));
+		var pid = Std.string(Reflect.field(msg, "peer_id"));
+		if (ih == null || ih == "null" || pid == null
+			|| pid == "null") {
+			return;
+		}
+		var key = pid + "|" + ih;
+		var left = Std.parseFloat(
+			Std.string(Reflect.field(msg, "left")));
+		if (Math.isNaN(left)) left = 0;
+		if (!peers.exists(key)) {
+			var arr = connKeys.get(h);
+			if (arr == null) connKeys.set(h, arr = []);
+			arr.push(key);
+		}
+		peers.set(key, {h: h, peerId: pid, infoHash: ih,
+			left: left});
+
+		var ev:Dynamic = Reflect.field(msg, "event");
+
+		var offers:Array<Dynamic> = Reflect.field(msg, "offers");
+		if (offers != null) {
+			for (o in offers) {
+				var t = pickPeer(ih, key);
+				if (t == null) break;
+				send(t.h, {
+					action: "announce",
+					info_hash: ih,
+					offer: Reflect.field(o, "offer"),
+					offer_id: Reflect.field(o, "offer_id"),
+					peer_id: pid
+				});
+				log("offer " + shortId(pid) + " -> "
+					+ shortId(t.peerId) + " ih="
+					+ Crypto.toHex(TorrentInfo.fromBinaryString(ih))
+						.substr(0, 8));
+			}
+		}
+
+		var answer:Dynamic = Reflect.field(msg, "answer");
+		var toPid:Dynamic = Reflect.field(msg, "to_peer_id");
+		if (answer != null && toPid != null) {
+			var t = peers.get(Std.string(toPid) + "|" + ih);
+			if (t != null) {
+				send(t.h, {
+					action: "announce",
+					info_hash: ih,
+					peer_id: pid,
+					answer: answer,
+					offer_id: Reflect.field(msg, "offer_id")
+				});
+				log("answer " + shortId(pid) + " -> "
+					+ shortId(t.peerId));
+			}
+		}
+
+		var counts = swarmCounts(ih);
+		send(h, {
+			action: "announce",
+			info_hash: ih,
+			interval: intervalSec,
+			"tracker id": "leenkx-local-ws",
+			complete: counts.complete,
+			incomplete: counts.incomplete
+		});
+		log("announce peer=" + shortId(pid) + " ih="
+			+ Crypto.toHex(TorrentInfo.fromBinaryString(ih))
+				.substr(0, 8)
+			+ (ev != null ? " event=" + Std.string(ev) : "")
+			+ " swarm=" + counts.complete + "s/"
+			+ counts.incomplete + "l");
+
+		if (Std.string(ev) == "stopped") {
+			removePeer(key);
+		}
+	}
+
+	function pickPeer(ih:String, selfKey:String):WsSwarmPeer {
+		var list = [for (p in peers)
+			if (p.infoHash == ih
+				&& (p.peerId + "|" + ih) != selfKey) p];
+		if (list.length == 0) return null;
+		var cur = rrCursor.exists(ih) ? rrCursor.get(ih) : 0;
+		var p = list[cur % list.length];
+		rrCursor.set(ih, cur + 1);
+		return p;
+	}
+
+	function swarmCounts(ih:String):{complete:Int, incomplete:Int} {
+		var c = 0;
+		var i = 0;
+		for (p in peers) {
+			if (p.infoHash != ih) continue;
+			if (p.left <= 0) c++; else i++;
+		}
+		return {complete: c, incomplete: i};
+	}
+
+	function removePeer(key:String):Void {
+		var p = peers.get(key);
+		if (p == null) return;
+		peers.remove(key);
+		for (q in peers) {
+			if (q.infoHash != p.infoHash) continue;
+			send(q.h, {
+				action: "announce",
+				info_hash: p.infoHash,
+				peer_id: p.peerId,
+				event: "stopped"
+			});
+		}
+	}
+
+	function onConnClose(h:WsTrackerHandler):Void {
+		var keys = connKeys.get(h);
+		if (keys != null) {
+			connKeys.remove(h);
+			for (k in keys) {
+				var p = peers.get(k);
+				if (p != null && p.h == h) removePeer(k);
+			}
+		}
+	}
+
+	function send(h:WsTrackerHandler, msg:Dynamic):Void {
+		try {
+			h.send(haxe.Json.stringify(msg));
+		} catch (e:Dynamic) {
+			err("send: " + Std.string(e));
+		}
+	}
+
+	static function shortId(bin:String):String {
+		return Crypto.toHex(TorrentInfo.fromBinaryString(bin))
+			.substr(-8);
+	}
+
+	function log(m:String):Void {
+		if (onLog != null) {
+			var f = onLog;
+			TorrentClient.postMain(function() f(m));
+		}
+	}
+
+	function err(m:String):Void {
+		if (onError != null) {
+			var f = onError;
+			TorrentClient.postMain(function() f(m));
+		}
+	}
+}
+#end
+
+#if sys
+class WssTrackerServer extends WsTrackerServer {
+	var certPem:String;
+	var keyPem:String;
+
+	public function new(host:String, port:Int, certPem:String, keyPem:String, maxConns:Int = 128) {
+		super(host, port, maxConns);
+		this.certPem = certPem;
+		this.keyPem = keyPem;
+	}
+
+	override function scheme():String return "wss";
+
+	override function createServer():leenkx.network.WebSocketServer<WsTrackerHandler> {
+		var cert = sys.ssl.Certificate.loadFile(certPem);
+		var key = sys.ssl.Key.loadFile(keyPem);
+		return new leenkx.network.WebSocketSecureServer
+			<WsTrackerHandler>(host, port, cert, key, cert,
+				maxConns);
+	}
+}
+#end

leenkx/Sources/leenkx/renderpath/Inc.hx

@@ -669,8 +669,10 @@ class Inc {
 		#end
 
 		#if rp_ssrs
+		#if kha_opengl
 		path.bindTarget("_main", "gbufferD");
 		#end
+		#end
 
 		path.drawMeshes("translucent");
 
@@ -1314,7 +1316,11 @@ class ShadowMapAtlas {
 
 	function new(light: LightObject, transparent: Bool) {
 
+		#if lnx_shadowmap_atlas_single_map
+		var maxTileSize = Std.int(Math.max(Inc.getCubeSize(), Inc.getCascadeSize()));
+		#else
 		var maxTileSize = shadowMapAtlasSize(light);
+		#end
 		this.target = shadowMapAtlasName(light.data.raw.type, transparent);
 		this.sizew = this.sizeh = this.baseTileSizeConst = maxTileSize;
 		this.depth = getSubdivisions();
@@ -1418,7 +1424,7 @@ class ShadowMapAtlas {
 
 	public static inline function shadowMapAtlasName(type: String, transparent: Bool): String {
 		#if lnx_shadowmap_atlas_single_map
-		return "shadowMapAtlas";
+		return transparent ? "shadowMapAtlasTransparent" : "shadowMapAtlas";
 	#else
 		switch (type) {
 			case "point":

leenkx/Sources/leenkx/renderpath/Postprocess.hx

@@ -116,6 +116,11 @@ class Postprocess {
 		1 					//0: Exposure
 	];
 
+	public static var scene_color_uniforms = [
+		0.0,				//0: Scene Exposure
+		1.0					//1: Scene Gamma
+	];
+
 	public static var auto_exposure_uniforms = [
 		1, 					//0: Auto Exposure Strength
 		1 					//1: Auto Exposure Speed
@@ -406,6 +411,10 @@ class Postprocess {
 			v.x = auto_focus[0];
 			v.y = auto_focus[1];
 			v.z = auto_focus[2];
+		case "_PPComp20":
+			v = iron.object.Uniforms.helpVec;
+			v.x = scene_color_uniforms[0]; // Scene Exposure
+			v.y = scene_color_uniforms[1]; // Scene Gamma
 		}
 
 		return v;

leenkx/Sources/leenkx/renderpath/RenderPathDeferred.hx

@@ -560,6 +560,7 @@ class RenderPathDeferred {
 	@:access(iron.RenderPath)
 	public static function commands() {
 		path.setTarget("gbuffer0"); // Only clear gbuffer0
+		//path.setTarget("gbuffer0", ["gbuffer1"]);
 		#if (rp_background == "Clear")
 		{
 			path.clearTarget(-1, 1.0);
@@ -649,7 +650,11 @@ class RenderPathDeferred {
 		{
 			if (leenkx.data.Config.raw.rp_ssao != false) {
 				path.setTarget("singlea");
+				#if rp_ssao_half
+				path.bindTarget("half", "gbufferD");
+				#else
 				path.bindTarget("_main", "gbufferD");
+				#end
 				path.bindTarget("gbuffer0", "gbuffer0");
 				path.drawShader("shader_datas/ssao_pass/ssao_pass");
 
@@ -670,7 +675,11 @@ class RenderPathDeferred {
 		{
 			if (leenkx.data.Config.raw.rp_ssgi != false) {
 				path.setTarget("ssgi_a");
+				#if rp_ssgi_half
+				path.bindTarget("half", "gbufferD");
+				#else
 				path.bindTarget("_main", "gbufferD");
+				#end
 				path.bindTarget("gbuffer0", "gbuffer0");
 				path.bindTarget("gbuffer1", "gbuffer1");
 				#if rp_gbuffer_emission
@@ -684,13 +693,21 @@ class RenderPathDeferred {
 				path.setTarget("ssgi_b");
 				path.bindTarget("ssgi_a", "tex");
 				path.bindTarget("gbuffer0", "gbuffer0");
+				#if rp_ssgi_half
+				path.bindTarget("half", "gbufferD");
+				#else
 				path.bindTarget("_main", "gbufferD");
+				#end
 				path.drawShader("shader_datas/ssgi_blur_pass/ssgi_blur_pass_x");
 
 				path.setTarget("ssgi_a");
 				path.bindTarget("ssgi_b", "tex");
 				path.bindTarget("gbuffer0", "gbuffer0");
+				#if rp_ssgi_half
+				path.bindTarget("half", "gbufferD");
+				#else
 				path.bindTarget("_main", "gbufferD");
+				#end
 				path.drawShader("shader_datas/ssgi_blur_pass/ssgi_blur_pass_y");
 			}
 		}
@@ -960,7 +977,7 @@ class RenderPathDeferred {
 				path.bindTarget("tex", "tex");
 				path.drawShader("shader_datas/copy_pass/copy_pass");
 
-				path.setTarget("gbuffer0", ["gbuffer1", "gbuffer_refraction"]);
+				setTargetMeshes();
 
 				#if (rp_voxels != "Off")
 				path.bindTarget("voxelsOut", "voxels");
@@ -980,7 +997,7 @@ class RenderPathDeferred {
 				#end
 
 				#if rp_ssrs
-				path.bindTarget("_main", "gbufferD");
+				path.bindTarget("gbufferD1", "gbufferD");
 				#end
 
 				path.drawMeshes("refraction");

leenkx/blender/lnx/exporter.py

@@ -223,6 +223,9 @@ class LeenkxExporter:
         cls.export_network = False
         if wrd.lnx_network == 'Enabled':
             cls.export_network = True
+        cls.export_torrent = False
+        if wrd.lnx_torrent == 'Enabled' and wrd.lnx_network != 'Disabled':
+            cls.export_torrent = True
 
     @staticmethod
     def write_matrix(matrix):

leenkx/blender/lnx/logicnode/custom/LN_add_torrent.py

@@ -1,30 +0,0 @@
-from lnx.logicnode.lnx_nodes import *
-
-
-class AddTorrentNode(LnxLogicTreeNode):
-    """Add Torrent"""
-    bl_idname = 'LNAddTorrentNode'
-    bl_label = 'Add Torrent'
-    bl_description = 'Add a torrent file from the network'
-    lnx_category = 'Leenkx'
-    lnx_version = 1
-
-    def __init__(self, *args, **kwargs):
-        super(AddTorrentNode, self).__init__(*args, **kwargs)
-        array_nodes[str(id(self))] = self
-
-
-    def lnx_init(self, context):
-        self.add_input('LnxNodeSocketAction', 'In')
-        self.add_input('LnxDynamicSocket', 'Connection')
-        self.add_input('LnxStringSocket', 'Torrent')
-
-        self.add_output('LnxNodeSocketAction', 'Out')
-        self.add_output('LnxDynamicSocket', 'Title')
-        self.add_output('LnxDynamicSocket', 'Files')
-        self.add_output('LnxNodeSocketAction', 'Done')
-
-
-def register():
-    add_category('Leenkx', icon='ORIENTATION_CURSOR')
-    AddTorrentNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_create_leenkx.py

@@ -4,19 +4,71 @@ class CreateLeenkxNode(LnxLogicTreeNode):
     """Create Leenkx"""
     bl_idname = 'LNCreateLeenkxNode'
     bl_label = 'Create Leenkx'
-    bl_description = 'Create Leenkx'
+    bl_description = ('Open a Leenkx peer connection on the given swarm identifier')
     lnx_category = 'Leenkx'
     lnx_version = 1
 
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[2:]:
+            self.inputs.remove(socket)
+        if (self.property0 == 'datachannel'
+                and self.property2 != 'inherit'):
+            self.add_input('LnxNodeSocketArray', 'ICE Servers')
+        if self.property3 != 'inherit':
+            self.add_input('LnxNodeSocketArray', 'Trackers')
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
+
+    property0: HaxeEnumProperty('property0',
+        items=[('wire', 'Wire', 'BitTorrent wire protocol transport (default)'),
+               ('datachannel', 'DataChannel', 'WebRTC data channels for browser/krom peers - shows the ICE Servers input')],
+        name='Transport', default='wire', update=update_sockets)
+
+    property1: HaxeBoolProperty('property1',
+        name='Gossip', description='Relay mode - forward messages to all connected peers', default=False)
+
+    property2: HaxeEnumProperty('property2',
+        items=[('inherit', 'Inherit', 'Use the built-in STUN server list; no ICE Servers input'),
+               ('add', 'Add', 'Merge the ICE Servers input on top of the built-in STUN servers'),
+               ('override', 'Override', 'Replace the ICE server list with the ICE Servers input')],
+        name='ICE Servers', default='inherit', update=update_sockets)
+
+    property3: HaxeEnumProperty('property3',
+        items=[('inherit', 'Inherit', 'Use the project torrent tracker list; no Trackers input'),
+               ('add', 'Add', 'Merge the Trackers input on top of the project tracker list'),
+               ('override', 'Override', 'Replace the announce tracker list with the Trackers input')],
+        name='Trackers', default='inherit', update=update_sockets)
 
     def lnx_init(self, context):
         self.add_input('LnxNodeSocketAction', 'In')
-        self.add_input('LnxStringSocket', 'Url', default_value="8001")
+        self.add_input('LnxStringSocket', 'Channel', default_value='8001')
+        if (self.property0 == 'datachannel'
+                and self.property2 != 'inherit'):
+            self.add_input('LnxNodeSocketArray', 'ICE Servers')
+        if self.property3 != 'inherit':
+            self.add_input('LnxNodeSocketArray', 'Trackers')
 
         self.add_output('LnxNodeSocketAction', 'Out')
         self.add_output('LnxDynamicSocket', 'Connection')
         self.add_output('LnxDynamicSocket', 'ID')
 
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+        layout.prop(self, 'property1')
+        if self.property0 == 'datachannel':
+            layout.prop(self, 'property2')
+        layout.prop(self, 'property3')
+
 
 def register():
     add_category('Leenkx', icon='ORIENTATION_CURSOR')

leenkx/blender/lnx/logicnode/custom/LN_create_torrent.py

@@ -5,7 +5,7 @@ class CreateTorrentNode(LnxLogicTreeNode):
     """Create Torrent"""
     bl_idname = 'LNCreateTorrentNode'
     bl_label = 'Create Torrent'
-    bl_description = 'Create a torrent file from the network'
+    bl_description = ('Build a .torrent from content (file, files or folder)')
     lnx_category = 'Leenkx'
     lnx_version = 1
 
@@ -13,15 +13,65 @@ class CreateTorrentNode(LnxLogicTreeNode):
         super(CreateTorrentNode, self).__init__(*args, **kwargs)
         array_nodes[str(id(self))] = self
 
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[1:]:
+            self.inputs.remove(socket)
+        self._add_data_inputs()
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
+
+    def _add_data_inputs(self):
+        mode_sockets = {
+            'file': ('LnxDynamicSocket', 'File (Bytes)', 'Content of the single file as Bytes'),
+            'files': ('LnxNodeSocketArray', 'Files ({path, data})', 'Array of {path, data} objects'),
+            'folder': ('LnxStringSocket', 'Folder Path', 'Folder read recursively for content (native targets only)'),
+        }
+        socket_type, label, desc = mode_sockets.get(self.property1, mode_sockets['file'])
+        self.add_input(socket_type, label)
+        self.add_input('LnxStringSocket', 'Name')
+        self.add_input('LnxStringSocket', 'Comment')
+        self.add_input('LnxStringSocket', 'Created By')
+        self.add_input('LnxStringSocket', 'Source')
+        self.add_input('LnxNodeSocketArray', 'Trackers')
+        self.add_input('LnxBoolSocket', 'Private')
+        self.add_input('LnxIntSocket', 'Piece Length')
+        self.add_input('LnxNodeSocketArray', 'Web Seeds')
+
+    property0: HaxeEnumProperty('property0',
+        items=[('1', 'V1', 'BitTorrent v1 - SHA-1 piece list over one packed stream; works with every client'),
+               ('2', 'V2', 'BitTorrent v2 (BEP 52) - SHA-256 merkle tree per file, pieces aligned to file boundaries; needs modern peers'),
+               ('3', 'Hybrid', 'One .torrent with both v1 and v2 metadata - two infohashes (btih + btmh) over the same info dict')],
+        name='Version', default='1')
+
+    property1: HaxeEnumProperty('property1',
+        items=[('file', 'File', 'Single file: Data is a Bytes payload'),
+               ('files', 'Files', 'Multiple files: Data is an array of {path, data}'),
+               ('folder', 'Folder', 'Read a folder recursively (native targets only): Data is a folder path string')],
+        name='Data', default='file', update=update_sockets)
 
     def lnx_init(self, context):
         self.add_input('LnxNodeSocketAction', 'In')
-        self.add_input('LnxDynamicSocket', 'Connection')
-        self.add_input('LnxDynamicSocket', 'Data')
+        self._add_data_inputs()
 
         self.add_output('LnxNodeSocketAction', 'Out')
-        self.add_output('LnxDynamicSocket', 'Torrent')
-        self.add_output('LnxNodeSocketAction', 'Done')
+        self.add_output('LnxDynamicSocket', 'Meta')
+        self.add_output('LnxDynamicSocket', 'Torrent Bytes')
+        self.add_output('LnxStringSocket', 'InfoHash')
+        self.add_output('LnxStringSocket', 'Magnet')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+        layout.prop(self, 'property1')
 
 
 def register():

leenkx/blender/lnx/logicnode/custom/LN_create_tracker.py

@@ -0,0 +1,61 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class CreateTrackerNode(LnxLogicTreeNode):
+    """Create Tracker"""
+    bl_idname = 'LNCreateTrackerNode'
+    bl_label = 'Create Tracker Server'
+    bl_description = ('Hosts a local tracker')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    def __init__(self, *args, **kwargs):
+        super(CreateTrackerNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[1:]:
+            self.inputs.remove(socket)
+        self._add_mode_inputs()
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
+
+    def _add_mode_inputs(self):
+        self.add_input('LnxStringSocket', 'Host', default_value='127.0.0.1')
+        self.add_input('LnxIntSocket', 'Port', default_value=6969)
+        if self.property0 == 'wss':
+            self.add_input('LnxStringSocket', 'Cert File')
+            self.add_input('LnxStringSocket', 'Key File')
+
+    property0: HaxeEnumProperty('property0',
+        items=[('udp', 'UDP', 'UDP tracker (BEP 15, sys targets only)'),
+               ('http', 'HTTP', 'HTTP tracker (BEP 3)'),
+               ('ws', 'WS', 'Plain WebSocket tracker (local relay, WebTorrent/web peers)'),
+               ('wss', 'WSS', 'Secure WebSocket tracker (WebTorrent/web peers)')],
+        name='Type', default='udp', update=update_sockets)
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self._add_mode_inputs()
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+        self.add_output('LnxDynamicSocket', 'Tracker')
+        self.add_output('LnxStringSocket', 'URL')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    CreateTrackerNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_download_torrent.py

@@ -0,0 +1,76 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class DownloadTorrentNode(LnxLogicTreeNode):
+    """Download Torrent"""
+    bl_idname = 'LNDownloadTorrentNode'
+    bl_label = 'Download Torrent'
+    bl_description = ('Add a torrent to a Leenkx connection and start downloading')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    def __init__(self, *args, **kwargs):
+        super(DownloadTorrentNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[2:]:
+            self.inputs.remove(socket)
+        self._add_id_inputs()
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
+
+    def _add_id_inputs(self):
+        mode_sockets = {
+            'magnet': ('LnxStringSocket', 'Magnet URI', 'Magnet URI (magnet:?xt=...)'),
+            'id': ('LnxStringSocket', 'Infohash', '40-char v1 or 64-char v2 infohash hex'),
+            'file': ('LnxDynamicSocket', 'Torrent File (Bytes)', '.torrent file bytes'),
+        }
+        socket_type, label, desc = mode_sockets.get(self.property0, mode_sockets['magnet'])
+        self.add_input(socket_type, label)
+        if self.property1 != 'inherit':
+            self.add_input('LnxNodeSocketArray', 'Trackers')
+
+    property0: HaxeEnumProperty('property0',
+        items=[('magnet', 'Magnet', 'Magnet URI (magnet:?xt=...)'),
+               ('id', 'Infohash', '40-char v1 or 64-char v2 infohash hex'),
+               ('file', 'Torrent File', '.torrent file bytes')],
+        name='Input', default='magnet', update=update_sockets)
+
+    property1: HaxeEnumProperty('property1',
+        items=[('inherit', 'Inherit', 'Use the torrent\'s own trackers plus the connection\'s; no Trackers input'),
+               ('add', 'Add', 'Merge the Trackers input on top of the torrent\'s own trackers'),
+               ('override', 'Override', 'Replace all trackers with the Trackers input (torrent\'s own and connection defaults are dropped)')],
+        name='Trackers', default='inherit', update=update_sockets)
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self.add_input('LnxDynamicSocket', 'Connection')
+        self._add_id_inputs()
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+        self.add_output('LnxDynamicSocket', 'Torrent')
+        self.add_output('LnxStringSocket', 'Name')
+        self.add_output('LnxNodeSocketArray', 'Files')
+        self.add_output('LnxNodeSocketAction', 'Done')
+        self.add_output('LnxStringSocket', 'InfoHash')
+        self.add_output('LnxStringSocket', 'Magnet')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+        layout.prop(self, 'property1')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    DownloadTorrentNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_get_torrent_file.py

@@ -0,0 +1,77 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class GetTorrentFileNode(LnxLogicTreeNode):
+    """Get Torrent File"""
+    bl_idname = 'LNGetTorrentFileNode'
+    bl_label = 'Get Torrent File'
+    bl_description = ('Find one file inside a torrent and read its '
+                      'stored bytes (webtorrent torrent.files.find + '
+                      'file.arrayBuffer). Match By selects how the '
+                      'Match input is interpreted: index, exact file '
+                      'name, exact path, or extension')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    def __init__(self, *args, **kwargs):
+        super(GetTorrentFileNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[3:]:
+            self.inputs.remove(socket)
+        self._add_match_input()
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
+
+    def _add_match_input(self):
+        match_sockets = {
+            'index': ('LnxIntSocket', 'Index', 'Position in the torrent file list'),
+            'name': ('LnxStringSocket', 'Name', 'Exact file name, e.g. movie.mp4'),
+            'path': ('LnxStringSocket', 'Path', 'Exact path inside the torrent, e.g. docs/readme.txt'),
+            'ext': ('LnxStringSocket', 'Extension', 'File extension like mp4 or .mp4; first matching file wins'),
+        }
+        socket_type, label, desc = match_sockets.get(self.property0, match_sockets['name'])
+        self.add_input(socket_type, label)
+
+    property0: HaxeEnumProperty('property0',
+        items=[('index', 'Index', 'Position in the torrent file list; Match is an int'),
+               ('name', 'Name', 'Exact file name; Match is a string like movie.mp4'),
+               ('path', 'Path', 'Exact path inside the torrent; Match is a string like docs/readme.txt'),
+               ('ext', 'Extension', 'First file whose name ends with the extension; Match is mp4 or .mp4')],
+        name='Match By', default='name', update=update_sockets)
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self.add_input('LnxDynamicSocket', 'Connection')
+        self.add_input('LnxDynamicSocket', 'Torrent')
+        self._add_match_input()
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+        self.add_output('LnxDynamicSocket', 'File')
+        self.add_output('LnxStringSocket', 'Name')
+        self.add_output('LnxStringSocket', 'Path')
+        self.add_output('LnxFloatSocket', 'Size')
+        self.add_output('LnxStringSocket', 'Type')
+        self.add_output('LnxDynamicSocket', 'Data')
+        self.add_output('LnxBoolSocket', 'Found')
+        self.add_output('LnxFloatSocket', 'Downloaded')
+        self.add_output('LnxFloatSocket', 'Progress')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    GetTorrentFileNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_leenkx_close_connection.py

@@ -5,63 +5,40 @@ class LeenkxCloseConnectionNode(LnxLogicTreeNode):
     """Close connection on the network"""
     bl_idname = 'LNLeenkxCloseConnectionNode'
     bl_label = 'Close Leenkx Connection'
+    bl_description = ('Tear down a Leenkx connection, or drop a single peer from it')
     lnx_version = 1
     lnx_category = 'Leenkx'
-    ind = 2
 
-    @staticmethod
-    def get_enum_id_value(obj, prop_name, value):
-        return obj.bl_rna.properties[prop_name].enum_items[value].identifier
-
-    @staticmethod
-    def get_count_in(type_name):
-        return {
-            'client': 0,
-            'peer': 1
-        }.get(type_name, 0)
-
-    def get_enum(self):
-        return self.get('property0', 0)
-
-    def set_enum(self, value):
-        # Checking the selection of each type
-        select_current = self.get_enum_id_value(self, 'property0', value)
-        select_prev = self.property0
-
-        #Check if type changed
-        if select_prev != select_current:
-
-            for i in self.inputs:
-                self.inputs.remove(i)
-
-            # Arguements for type Host
-            if (self.get_count_in(select_current) == 0):
-                    self.add_input('LnxNodeSocketAction', 'In')
-                    self.add_input('LnxDynamicSocket', 'Connection')
-                    self.add_input('LnxStringSocket', 'Url')
-
-            # Arguements for type Client
-            if (self.get_count_in(select_current) == 1):
-                    self.add_input('LnxNodeSocketAction', 'In')
-                    self.add_input('LnxDynamicSocket', 'Connection')
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[2:]:
+            self.inputs.remove(socket)
+        if self.property0 == 'peer':
             self.add_input('LnxStringSocket', 'ID')
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
 
-        self['property0'] = value
-
-
-    property0: HaxeEnumProperty(
-        'property1',
+    property0: HaxeEnumProperty('property0',
         items = [('client', 'Leenkx Client', 'Close the Leenkx Client connection on the network'),
-                ('peer', 'Single Peer', 'Close a Peer connection on network')],
+                ('peer', 'Single Peer', 'Drop a peer from the connection (forgets its address; it can rejoin on a new handshake)')],
         name='', default='client',
-        set=set_enum, 
-        get=get_enum)
+        update=update_sockets)
 
 
     def lnx_init(self, context):
         self.add_input('LnxNodeSocketAction', 'In')
         self.add_input('LnxDynamicSocket', 'Connection')
-        self.add_input('LnxStringSocket', 'Url')
+        if self.property0 == 'peer':
+            self.add_input('LnxStringSocket', 'ID')
 
         self.add_output('LnxNodeSocketAction', 'Out')
 

leenkx/blender/lnx/logicnode/custom/LN_leenkx_event.py

@@ -9,84 +9,26 @@ class LeenkxEventNode(LnxLogicTreeNode):
     lnx_category = 'Leenkx'
     lnx_version = 1
 
-    @staticmethod
-    def get_enum_id_value(obj, prop_name, value):
-        return obj.bl_rna.properties[prop_name].enum_items[value].identifier
-
-    @staticmethod
-    def get_count_in(type_name):
-        return {
-            'client': 0,
-            'host': 1,
-            'securehost': 2
-        }.get(type_name, 0)
-
-    def get_enum(self):
-        return self.get('property0', 0)
-
-    def set_enum(self, value):
-        # Checking the selection of each type
-        select_current = self.get_enum_id_value(self, 'property0', value)
-        select_prev = self.property0
-
-        #Check if type changed
-        if select_prev != select_current:
-
-            for i in self.inputs:
-                self.inputs.remove(i)
-
-            # Arguements for type Client
-            if (self.get_count_in(select_current) == 0):
-                    self.add_input('LnxStringSocket', 'Url', default_value="8001")
-
-
-            # Arguements for type Host
-            if (self.get_count_in(select_current) == 1):
-                    self.add_input('LnxStringSocket', 'Domain', default_value="127.0.0.1")
-                    self.add_input('LnxIntSocket', 'Port', default_value=8001)
-
-
-            # Arguements for type Secure Host
-            if (self.get_count_in(select_current) == 2):
-                    self.add_input('LnxStringSocket', 'Domain', default_value="127.0.0.1")
-                    self.add_input('LnxIntSocket', 'Port', default_value=8001)
-
-
-        self['property0'] = value
-
-
-    property0: HaxeEnumProperty(
-        'property0',
-        items = [('client', 'Client', 'Network client Event listener'),
-                ('host', 'Host', 'Network host Event listener'),
-                ('securehost', 'Secure Host', 'Network secure host Event listener')],
-        name='', 
-        default='client',
-        set=set_enum, 
-        get=get_enum)
-
-
-    property1: HaxeEnumProperty(
-        'property1',
-        items = [('onopen', 'OnOpen', 'Listens to onOpen event'),
-                 ('onmessage', 'OnMessage', 'Listens to onMessage event'),
-                 ('onerror', 'OnError', 'Listens to onError event'),
-                 ('onclose', 'OnClose', 'Listens to onClose event'),
-                 ('onseen', 'OnSeen', 'Listens to onClose event'),
-                 ('onserver', 'OnServer', 'Listens to onClose event'),
-                 ('onconnections', 'OnConnections', 'Listens to onClose event'),
-                 ('onping', 'OnPing', 'Listens to onClose event'),
-                 ('onleft', 'OnLeft', 'Listens to onClose event'),
-                 ('ontimeout', 'OnTimeout', 'Listens to onClose event'),
-                 ('onrpc', 'OnRpc', 'Listens to onClose event'),
-                 ('onrpcresponse', 'OnRpcResponse', 'Listens to onClose event'),
-                 ('onwireleft', 'OnWireLeft', 'Listens to onClose event'),
-                 ('onwireseen', 'OnWireSeen', 'Listens to onClose event'),
-                 ('ontorrent', 'OnTorrent', 'Listens to onClose event'),
-                 ('ontracker', 'OnTracker', 'Listens to onClose event'),
-                 ('onannounce', 'OnAnnounce', 'Listens to onClose event')],
-        name='', 
-        default='onopen')
+    property1: HaxeEnumProperty('property1',
+        items = [('onopen', 'OnOpen', 'The connection to the server is open'),
+                 ('onmessage', 'OnMessage', 'A message arrived; ID is the sender peer id, Data the payload'),
+                 ('onerror', 'OnError', 'A connection error occurred'),
+                 ('onclose', 'OnClose', 'The connection was closed'),
+                 ('onseen', 'OnSeen', 'A peer was discovered; ID is the peer id'),
+                 ('onserver', 'OnServer', 'The signaling server responded'),
+                 ('onconnections', 'OnConnections', 'The server sent the peer list; Data is the connection list'),
+                 ('onping', 'OnPing', 'Heartbeat ping roundtrip completed'),
+                 ('onleft', 'OnLeft', 'A peer left; ID is the peer id'),
+                 ('ontimeout', 'OnTimeout', 'A handshake timed out'),
+                 ('onwireleft', 'OnWireLeft', 'A BitTorrent wire peer disconnected; ID is the peer id'),
+                 ('onwireseen', 'OnWireSeen', 'A BitTorrent wire peer connected; ID is the peer id'),
+                 ('ontorrent', 'OnTorrent', 'Torrent activity on the connection; Data is the torrent'),
+                 ('ontorrentadded', 'OnTorrentAdded', 'A torrent registered on the connection; Data is the Torrent handle'),
+                 ('ontracker', 'OnTracker', 'A tracker event on the connection'),
+                 ('onannounce', 'OnAnnounce', 'A tracker announce completed'),
+                 ('ontorrentdone', 'OnTorrentDone', 'A torrent finished downloading; Data is the torrent'),
+                 ('onload', 'OnLoad', 'The connection was registered; fires once at startup')],
+        name='', default='onopen')
 
     def __init__(self, *args, **kwargs):
         super(LeenkxEventNode, self).__init__(*args, **kwargs)
@@ -95,7 +37,7 @@ class LeenkxEventNode(LnxLogicTreeNode):
 
     def lnx_init(self, context):
         #self.add_input('LnxNodeSocketAction', 'In')
-        self.add_input('LnxStringSocket', 'Url', default_value="ws://127.0.0.1:8001")
+        self.add_input('LnxStringSocket', 'Channel', default_value='8001')
 
         self.add_output('LnxNodeSocketAction', 'Out')
         self.add_output('LnxDynamicSocket', 'ID')
@@ -103,7 +45,6 @@ class LeenkxEventNode(LnxLogicTreeNode):
 
 
     def draw_buttons(self, context, layout):
-        layout.prop(self, 'property0')
         layout.prop(self, 'property1')
 
 def register():

leenkx/blender/lnx/logicnode/custom/LN_leenkx_message_parser.py

@@ -9,16 +9,15 @@ class LeenkxMessageParserNode(LnxLogicTreeNode):
     lnx_category = 'Leenkx'
     lnx_version = 1
 
-    property0: HaxeEnumProperty(
-        'property0',
-        items = [('string', 'String', 'Event for a string over the network'),
-                 ('vector', 'Vector', 'Event for a vector over the network'),
-                 ('float', 'Float', 'Event for a float over the network'),
-                 ('integer', 'Integer', 'Event for an integer over the network'),
-                 ('boolean', 'Boolean', 'Event for a boolean over the network'),
-                 ('transform', 'Transform', 'Event for a transform over the network'),
-                 ('rotation', 'Rotation', 'Event for a rotation over the network')],
-        name='', default='string')
+    property0: HaxeEnumProperty('property0', items=[
+        ('string', 'String', 'Parse the message as a string'),
+        ('vector', 'Vector', 'Parse the message as a vector (Vec4)'),
+        ('float', 'Float', 'Parse the message as a float'),
+        ('integer', 'Integer', 'Parse the message as an integer'),
+        ('boolean', 'Boolean', 'Parse the message as a boolean'),
+        ('transform', 'Transform', 'Parse the message as a transform (Mat4)'),
+        ('rotation', 'Rotation', 'Parse the message as a rotation (Quat)')
+    ], name='', default='string')
 
 
     def lnx_init(self, context):

leenkx/blender/lnx/logicnode/custom/LN_leenkx_send_message.py

@@ -9,77 +9,55 @@ class LeenkxSendMessageNode(LnxLogicTreeNode):
     lnx_category = 'Leenkx'
     lnx_version = 1
 
-    @staticmethod
-    def get_enum_id_value(obj, prop_name, value):
-        return obj.bl_rna.properties[prop_name].enum_items[value].identifier
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        send_all = True
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+            if socket.name == 'Send All':
+                send_all = socket.default_value_raw
+        for socket in self.inputs[3:]:
+            self.inputs.remove(socket)
+        self._add_data_inputs(send_all)
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
 
-    @staticmethod
-    def get_count_in(type_name):
-        return {
-            'client': 0,
-            'host': 1,
-            'securehost': 2
-        }.get(type_name, 0)
+    def _add_data_inputs(self, send_all=True):
+        data_sockets = {
+            'string': ('LnxStringSocket', 'String payload to send'),
+            'vector': ('LnxVectorSocket', 'Vector payload to send'),
+            'float': ('LnxFloatSocket', 'Float payload to send'),
+            'integer': ('LnxIntSocket', 'Integer payload to send'),
+            'boolean': ('LnxBoolSocket', 'Boolean payload to send'),
+            'transform': ('LnxDynamicSocket', 'Transform (Mat4) payload to send'),
+            'rotation': ('LnxRotationSocket', 'Rotation (Quat) payload to send'),
+        }
+        socket_type, desc = data_sockets.get(self.property1, data_sockets['string'])
+        self.add_input(socket_type, 'Data')
+        self.add_input('LnxBoolSocket', 'Send All', default_value=send_all)
+        if not send_all:
+            self._add_id_input()
 
-    def get_enum(self):
-        return self.get('property0', 0)
-
-    def set_enum(self, value):
-        # Checking the selection of each type
-        select_current = self.get_enum_id_value(self, 'property0', value)
-        select_prev = self.property0
-
-        #Check if type changed
-        if select_prev != select_current:
-
-            for i in self.inputs:
-                self.inputs.remove(i)
-
-            # Arguements for type Client
-            if (self.get_count_in(select_current) == 0):
-                    self.add_input('LnxNodeSocketAction', 'In')
-                    self.add_input('LnxDynamicSocket', 'Connection')
-                    self.add_input('LnxStringSocket', 'API')
-                    self.add_input('LnxDynamicSocket', 'Data')
+    def _add_id_input(self):
         self.add_input('LnxStringSocket', 'ID')
-                    self.add_input('LnxBoolSocket', 'Send All')
 
-            # Arguements for type Host
-            if (self.get_count_in(select_current) == 1):
-                    self.add_input('LnxNodeSocketAction', 'In')
-                    self.add_input('LnxDynamicSocket', 'Connection')
-                    self.add_input('LnxStringSocket', 'API')
-                    self.add_input('LnxDynamicSocket', 'Data')
-                    self.add_input('LnxStringSocket', 'ID')
-                    self.add_input('LnxBoolSocket', 'Send All')
+    def on_socket_val_update(self, context, socket):
+        if socket.name == 'Send All':
+            if (len(self.inputs) > 5
+                    and self.inputs[5].name == 'ID'):
+                self.inputs.remove(self.inputs[5])
+            if not socket.default_value_raw:
+                self._add_id_input()
+        super().on_socket_val_update(context, socket)
 
-
-            # Arguements for type Secure Host
-            if (self.get_count_in(select_current) == 2):
-                    self.add_input('LnxNodeSocketAction', 'In')
-                    self.add_input('LnxDynamicSocket', 'Connection')
-                    self.add_input('LnxStringSocket', 'API')
-                    self.add_input('LnxDynamicSocket', 'Data')
-                    self.add_input('LnxStringSocket', 'ID')
-                    self.add_input('LnxBoolSocket', 'Send All')
-
-
-        self['property0'] = value
-
-
-    property0: HaxeEnumProperty(
-        'property0',
-        items = [('client', 'Client', 'Network client Event listener'),
-                ('host', 'Host', 'Network host Event listener'),
-                ('securehost', 'Secure Host', 'Network secure host Event listener')],
-        name='', 
-        default='client',
-        set=set_enum, 
-        get=get_enum)
-
-
-    property1: HaxeEnumProperty(
-        'property1',
+    property1: HaxeEnumProperty('property1',
         items = [('string', 'String', 'Send a string over the network to one or all of the clients'),
                  ('vector', 'Vector', 'Send a vector over the network to one or all of the clients'),
                  ('float', 'Float', 'Send a float over the network to one or all of the clients'),
@@ -87,8 +65,12 @@ class LeenkxSendMessageNode(LnxLogicTreeNode):
                  ('boolean', 'Boolean', 'Send a boolean over the network to one or all of the clients'),
                  ('transform', 'Transform', 'Send a transform over the network to one or all of the clients'),
                  ('rotation', 'Rotation', 'Send a rotation over the network to one or all of the clients')],
-        name='',
-        default='string')
+        name='', default='string', update=update_sockets)
+
+    property2: HaxeBoolProperty('property2',
+        name='Encrypted',
+        description='Use full encryption protocol (signing, bencode, box encryption). Disable for fast raw message mode',
+        default=False)
 
 
     def __init__(self, *args, **kwargs):
@@ -100,17 +82,15 @@ class LeenkxSendMessageNode(LnxLogicTreeNode):
         self.add_input('LnxNodeSocketAction', 'In')
         self.add_input('LnxDynamicSocket', 'Connection')
         self.add_input('LnxStringSocket', 'API')
-        self.add_input('LnxDynamicSocket', 'Data')
-        self.add_input('LnxStringSocket', 'ID')
-        self.add_input('LnxBoolSocket', 'Send All')
+        self._add_data_inputs()
 
         self.add_output('LnxNodeSocketAction', 'Out')
 
 
 
     def draw_buttons(self, context, layout):
-        layout.prop(self, 'property0')
         layout.prop(self, 'property1')
+        layout.prop(self, 'property2')
         
 def register():
     add_category('Leenkx', icon='ORIENTATION_CURSOR')

leenkx/blender/lnx/logicnode/custom/LN_parse_torrent.py

@@ -0,0 +1,68 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class ParseTorrentNode(LnxLogicTreeNode):
+    """Parse Torrent"""
+    bl_idname = 'LNParseTorrentNode'
+    bl_label = 'Parse Torrent'
+    bl_description = ('Parse a torrent id without joining a swarm')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    def __init__(self, *args, **kwargs):
+        super(ParseTorrentNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[1:]:
+            self.inputs.remove(socket)
+        self._add_id_input()
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
+
+    def _add_id_input(self):
+        mode_sockets = {
+            'magnet': ('LnxStringSocket', 'Magnet URI', 'Magnet URI (magnet:?xt=...)'),
+            'id': ('LnxStringSocket', 'Infohash', '40-char v1 or 64-char v2 infohash hex'),
+            'file': ('LnxDynamicSocket', 'Torrent File (Bytes)', '.torrent file bytes'),
+        }
+        socket_type, label, desc = mode_sockets.get(self.property0, mode_sockets['magnet'])
+        self.add_input(socket_type, label)
+
+    property0: HaxeEnumProperty('property0',
+        items=[('magnet', 'Magnet', 'Magnet URI (magnet:?xt=...)'),
+               ('id', 'Infohash', '40-char v1 or 64-char v2 infohash hex'),
+               ('file', 'Torrent File', '.torrent file bytes')],
+        name='Input', default='magnet', update=update_sockets)
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self._add_id_input()
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+        self.add_output('LnxDynamicSocket', 'Meta')
+        self.add_output('LnxStringSocket', 'InfoHash')
+        self.add_output('LnxStringSocket', 'Name')
+        self.add_output('LnxNodeSocketArray', 'Trackers')
+        self.add_output('LnxNodeSocketArray', 'Web Seeds')
+        self.add_output('LnxNodeSocketArray', 'Files')
+        self.add_output('LnxFloatSocket', 'Total Size')
+        self.add_output('LnxDynamicSocket', 'Torrent Bytes')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    ParseTorrentNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_seed_torrent.py

@@ -17,12 +17,14 @@ class SeedTorrentNode(LnxLogicTreeNode):
     def lnx_init(self, context):
         self.add_input('LnxNodeSocketAction', 'In')
         self.add_input('LnxDynamicSocket', 'Connection')
-        self.add_input('LnxDynamicSocket', 'Opts [Map]')
+        self.add_input('LnxDynamicSocket', 'Torrent')
         self.add_input('LnxDynamicSocket', 'Data')
 
         self.add_output('LnxNodeSocketAction', 'Out')
         self.add_output('LnxDynamicSocket', 'Torrent')
         self.add_output('LnxNodeSocketAction', 'Done')
+        self.add_output('LnxStringSocket', 'InfoHash')
+        self.add_output('LnxStringSocket', 'Magnet')
 
 
 def register():

leenkx/blender/lnx/logicnode/custom/LN_set_trackers.py

@@ -0,0 +1,75 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class SetTrackersNode(LnxLogicTreeNode):
+    """Set Trackers"""
+    bl_idname = 'LNSetTrackersNode'
+    bl_label = 'Set Trackers'
+    bl_description = ('Add/Override edit the tracker announce list of a live torrent')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    tracker_props = {
+        'interval': ('LnxIntSocket', 'Interval'),
+        'port': ('LnxIntSocket', 'Port'),
+        'key': ('LnxIntSocket', 'Key'),
+        'numwant': ('LnxIntSocket', 'Num Want'),
+        'trackerId': ('LnxStringSocket', 'Tracker ID'),
+    }
+
+    def __init__(self, *args, **kwargs):
+        super(SetTrackersNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    def update_sockets(self, context):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[1:]:
+            self.inputs.remove(socket)
+        self._add_target_inputs()
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
+
+    def _add_target_inputs(self):
+        if self.property0 in ('add', 'override'):
+            self.add_input('LnxDynamicSocket', 'Connection')
+            self.add_input('LnxDynamicSocket', 'Torrent')
+            self.add_input('LnxNodeSocketArray', 'Trackers')
+        else:
+            self.add_input('LnxDynamicSocket', 'Tracker')
+            socket_type, label = self.tracker_props.get(
+                self.property0, self.tracker_props['interval'])
+            self.add_input(socket_type, label)
+
+    property0: HaxeEnumProperty('property0',
+        items=[('add', 'Add', 'Merge the Trackers input on top of the existing announce list'),
+               ('override', 'Override', 'Replace the announce list entirely; running tracker connections are restarted'),
+               ('interval', 'Interval', 'Announce interval in seconds'),
+               ('port', 'Port', 'Listening port reported to the tracker'),
+               ('key', 'Key', 'Session key sent with announces'),
+               ('numwant', 'Num Want', 'Number of peers requested per announce'),
+               ('trackerId', 'Tracker ID', 'Tracker id echoed back by the tracker')],
+        name='Property', default='add', update=update_sockets)
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self._add_target_inputs()
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+        self.add_output('LnxDynamicSocket', 'Target')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    SetTrackersNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_torrent_client_info.py

@@ -0,0 +1,31 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class TorrentClientInfoNode(LnxLogicTreeNode):
+    """Torrent Client Info"""
+    bl_idname = 'LNTorrentClientInfoNode'
+    bl_label = 'Connection Torrents'
+    bl_description = ('Aggregate stats for the torrent client attached')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    def __init__(self, *args, **kwargs):
+        super(TorrentClientInfoNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self.add_input('LnxDynamicSocket', 'Connection')
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+        self.add_output('LnxNodeSocketArray', 'Torrents')
+        self.add_output('LnxIntSocket', 'Count')
+        self.add_output('LnxFloatSocket', 'Down Rate')
+        self.add_output('LnxFloatSocket', 'Up Rate')
+        self.add_output('LnxFloatSocket', 'Progress')
+        self.add_output('LnxFloatSocket', 'Ratio')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    TorrentClientInfoNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_torrent_control.py

@@ -0,0 +1,71 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class TorrentControlNode(LnxLogicTreeNode):
+    """Torrent Control"""
+    bl_idname = 'LNTorrentControlNode'
+    bl_label = 'Torrent Control'
+    bl_description = ('Start, stop, remove or prioritize a torrent.')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    def __init__(self, *args, **kwargs):
+        super(TorrentControlNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    property0: HaxeEnumProperty('property0',
+        items=[('start', 'Start', 'Start or resume the torrent session'),
+               ('stop', 'Stop', 'Pause the torrent (announces stopped to trackers); it stays registered and can be started again'),
+               ('remove', 'Remove', 'Destroy the torrent and remove it from the client'),
+               ('remove-data', 'Remove + Data', 'Destroy the torrent and delete the stored content bytes'),
+               ('select', 'Select', 'Prioritize a piece range: File handle or Start/End bytes, Priority optional (webtorrent torrent.select)'),
+               ('deselect', 'Deselect', 'Drop a priority selection, back to normal order'),
+               ('critical', 'Critical', 'Top-priority selection for streaming seeks'),
+               ('add-peer', 'Add Peer', 'Connect to a peer directly; Address is host:port (sys/Krom targets only)'),
+               ('add-web-seed', 'Add Web Seed', 'Register a BEP 19 webseed; Address is an http(s) URL, fills pieces when peers can\'t serve them')],
+        name='Action', default='start',
+        update=lambda self, context: self._rebuild_inputs())
+
+    def _rebuild_inputs(self):
+        if not self.inputs:
+            return
+        links = {}
+        for socket in self.inputs:
+            for link in socket.links:
+                links.setdefault(socket.name, []).append(
+                    (link.from_node, link.from_socket))
+        for socket in self.inputs[3:]:
+            self.inputs.remove(socket)
+        self._add_action_inputs()
+        tree = self.id_data
+        for socket in self.inputs:
+            if socket.name in links:
+                for from_node, from_socket in links[socket.name]:
+                    tree.links.new(from_socket, socket)
+
+    def _add_action_inputs(self):
+        if self.property0 in ('select', 'deselect', 'critical'):
+            self.add_input('LnxDynamicSocket', 'File')
+            self.add_input('LnxIntSocket', 'Start')
+            self.add_input('LnxIntSocket', 'End')
+            self.add_input('LnxIntSocket', 'Priority')
+        elif self.property0 == 'add-peer':
+            self.add_input('LnxStringSocket', 'Address')
+        elif self.property0 == 'add-web-seed':
+            self.add_input('LnxStringSocket', 'Address')
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self.add_input('LnxDynamicSocket', 'Connection')
+        self.add_input('LnxDynamicSocket', 'Torrent')
+        self._add_action_inputs()
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    TorrentControlNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_torrent_event.py

@@ -0,0 +1,40 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class OnTorrentEventNode(LnxLogicTreeNode):
+    """On Torrent Event"""
+    bl_idname = 'LNOnTorrentEventNode'
+    bl_label = 'On Torrent Event'
+    bl_description = ('Fires when the selected torrent event happens ')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    def __init__(self, *args, **kwargs):
+        super(OnTorrentEventNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    property0: HaxeEnumProperty('property0',
+        items=[('ready', 'Ready', 'Metainfo is known; fires immediately if already ready'),
+               ('piece', 'Piece', 'A piece finished downloading; Value is the piece index'),
+               ('wire', 'Wire', 'A peer connected; Value is the WireProtocol'),
+               ('metadata', 'Metadata', 'ut_metadata fetch completed; Value is the MetaInfo'),
+               ('done', 'Done', 'All pieces are downloaded'),
+               ('error', 'Error', 'Torrent failed; Value is the error string')],
+        name='Event', default='done')
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self.add_input('LnxDynamicSocket', 'Connection')
+        self.add_input('LnxDynamicSocket', 'Torrent')
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+        self.add_output('LnxDynamicSocket', 'Torrent')
+        self.add_output('LnxDynamicSocket', 'Value')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    OnTorrentEventNode.on_register()

leenkx/blender/lnx/logicnode/custom/LN_torrent_info.py

@@ -0,0 +1,46 @@
+from lnx.logicnode.lnx_nodes import *
+
+
+class TorrentInfoNode(LnxLogicTreeNode):
+    """Torrent Info"""
+    bl_idname = 'LNTorrentInfoNode'
+    bl_label = 'Torrent Info'
+    bl_description = ('Read the state of a torrent: infohash, name, peer count, progress, transfer totals, magnet URI')
+    lnx_category = 'Leenkx'
+    lnx_version = 1
+
+    def __init__(self, *args, **kwargs):
+        super(TorrentInfoNode, self).__init__(*args, **kwargs)
+        array_nodes[str(id(self))] = self
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self.add_input('LnxDynamicSocket', 'Connection')
+        self.add_input('LnxDynamicSocket', 'Torrent')
+
+        self.add_output('LnxNodeSocketAction', 'Out')
+        self.add_output('LnxStringSocket', 'InfoHash')
+        self.add_output('LnxStringSocket', 'Name')
+        self.add_output('LnxIntSocket', 'Peers')
+        self.add_output('LnxFloatSocket', 'Progress')
+        self.add_output('LnxFloatSocket', 'Downloaded')
+        self.add_output('LnxFloatSocket', 'Uploaded')
+        self.add_output('LnxBoolSocket', 'Done')
+        self.add_output('LnxStringSocket', 'Magnet')
+        self.add_output('LnxNodeSocketArray', 'Files')
+        self.add_output('LnxIntSocket', 'Num Pieces')
+        self.add_output('LnxIntSocket', 'Piece Length')
+        self.add_output('LnxFloatSocket', 'Total Size')
+        self.add_output('LnxStringSocket', 'Comment')
+        self.add_output('LnxStringSocket', 'Created By')
+        self.add_output('LnxIntSocket', 'Version')
+        self.add_output('LnxStringSocket', 'InfoHash2')
+        self.add_output('LnxFloatSocket', 'Down Rate')
+        self.add_output('LnxFloatSocket', 'Up Rate')
+        self.add_output('LnxBoolSocket', 'Stopped')
+        self.add_output('LnxDynamicSocket', 'Torrent')
+
+
+def register():
+    add_category('Leenkx', icon='ORIENTATION_CURSOR')
+    TorrentInfoNode.on_register()

leenkx/blender/lnx/make.py

@@ -248,6 +248,7 @@ def export_data_impl(fp, sdk_path):
     export_navigation = bpy.data.worlds['Lnx'].lnx_navigation != 'Disabled'
     export_ui = bpy.data.worlds['Lnx'].lnx_ui != 'Disabled'
     export_network = bpy.data.worlds['Lnx'].lnx_network != 'Disabled'
+    export_torrent = bpy.data.worlds['Lnx'].lnx_torrent != 'Disabled' and bpy.data.worlds['Lnx'].lnx_network != 'Disabled'
 
     assets.reset()
     mat_state.material_cache.clear()
@@ -264,6 +265,7 @@ def export_data_impl(fp, sdk_path):
     navigation_found = False
     ui_found = False
     network_found = False
+    torrent_found = False
     LeenkxExporter.compress_enabled = wrd.lnx_asset_compression
     LeenkxExporter.optimize_enabled = state.is_publish and wrd.lnx_optimize_data
     if not os.path.exists(build_dir + '/compiled/Assets'):
@@ -326,6 +328,8 @@ def export_data_impl(fp, sdk_path):
             ui_found = True
         if LeenkxExporter.export_network:
             network_found = True
+        if LeenkxExporter.export_torrent:
+            torrent_found = True
         assets.add(asset_path)
 
     if physics_found is False: # Disable physics if no rigid body is exported
@@ -340,6 +344,9 @@ def export_data_impl(fp, sdk_path):
     if network_found == False:
         export_network = False
 
+    if torrent_found == False:
+        export_torrent = False
+
     # Ugly workaround: some logic nodes require Zui code even if no UI is used,
     # for now enable UI export unless explicitly disabled.
     export_ui = True
@@ -349,6 +356,9 @@ def export_data_impl(fp, sdk_path):
     if wrd.lnx_network == 'Enabled':
         export_network = True
 
+    if wrd.lnx_torrent == 'Enabled' and wrd.lnx_network != 'Disabled':
+        export_torrent = True
+
     modules = []
     if wrd.lnx_audio == 'Enabled':
         modules.append('audio')
@@ -360,6 +370,8 @@ def export_data_impl(fp, sdk_path):
         modules.append('ui')
     if export_network:
         modules.append('network')
+    if export_torrent:
+        modules.append('torrent')
 
     defs = lnx.utils.def_strings_to_array(wrd.world_defs)
     cdefs = lnx.utils.def_strings_to_array(wrd.compo_defs)
@@ -384,7 +396,8 @@ def export_data_impl(fp, sdk_path):
             os.utime(g, None)
 
     # Write referenced shader passes
-    if not os.path.isfile(build_dir + '/compiled/Shaders/shader_datas.lnx') or state.last_world_defs != wrd.world_defs:
+    current_passes = tuple(sorted(assets.shader_passes))
+    if not os.path.isfile(build_dir + '/compiled/Shaders/shader_datas.lnx') or state.last_world_defs != wrd.world_defs or getattr(state, 'last_shader_passes', None) != current_passes:
         res = {'shader_datas': []}
 
         for ref in assets.shader_passes:
@@ -431,6 +444,7 @@ def export_data_impl(fp, sdk_path):
         if not os.path.exists(target):
             shutil.copy(file, target)
     state.last_world_defs = wrd.world_defs
+    state.last_shader_passes = current_passes
 
     # Reset path
     os.chdir(fp)
@@ -449,7 +463,7 @@ def export_data_impl(fp, sdk_path):
         wrd.lnx_project_version = lnx.utils.change_version_project(wrd.lnx_project_version)
 
     # Write khafile.js
-    write_data.write_khafilejs(state.is_play, export_physics, export_navigation, export_ui, export_network, state.is_publish, LeenkxExporter.import_traits)
+    write_data.write_khafilejs(state.is_play, export_physics, export_navigation, export_ui, export_network, export_torrent, state.is_publish, LeenkxExporter.import_traits)
 
     # Write Main.hx - depends on write_khafilejs for writing number of assets
     scene_name = lnx.utils.get_project_scene_name()