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Static Webview - RTC - UDP - TCP - WSS

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This commit is contained in:
Onek8
2026-10-03 01:22:41 -07:00
parent 058104d93f
commit 75224df058
19 changed files with 1994 additions and 284 deletions
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4
README.md
View File

@ -40,14 +40,14 @@ cd apple-libressl-sdk
git checkout fce8ffe30c9939fa1d71076745d9b3c811b8a90e
```
**Webview for windodows**
**Webview for windows**
```bash
# Windows needs the WebView2 SDK while mac and linux are OS implementations
curl -L https://www.nuget.org/api/v2/package/Microsoft.Web.WebView2 -o webview2.zip
powershell -Command "Expand-Archive -Path webview2.zip -DestinationPath webview2-tmp -Force"
xcopy /E /I /Y webview2-tmp\build\native\include webview2\include\
mkdir webview2\lib\x64
copy webview2-tmp\build\native\x64\WebView2Loader.dll.lib webview2\lib\x64\WebView2Loader.lib
copy webview2-tmp\build\native\x64\WebView2LoaderStatic.lib webview2\lib\x64\WebView2LoaderStatic.lib
rmdir /S /Q webview2-tmp
del webview2.zip
```

57
Sources/async_engine.h
View File

@ -1,5 +1,6 @@
#pragma once
#include "lockfree_queue.h"
#include <atomic>
#include <memory>
#include <vector>
@ -14,61 +15,7 @@ namespace EngineManager {
// thread communication
template<typename T>
class LockFreeQueue {
private:
struct Node {
std::atomic<T*> data{nullptr};
std::atomic<Node*> next{nullptr};
};
std::atomic<Node*> head_{nullptr};
std::atomic<Node*> tail_{nullptr};
public:
LockFreeQueue() {
Node* dummy = new Node;
head_.store(dummy);
tail_.store(dummy);
}
~LockFreeQueue() {
while (Node* const old_head = head_.load()) {
head_.store(old_head->next);
delete old_head->data.load();
delete old_head;
}
}
void push(T item) {
Node* new_node = new Node;
T* data = new T(std::move(item));
new_node->data.store(data);
Node* prev_tail = tail_.exchange(new_node);
prev_tail->next.store(new_node);
}
bool try_pop(T& result) {
Node* head = head_.load();
Node* next = head->next.load();
if (next == nullptr) return false;
T* data = next->data.load();
if (data == nullptr) return false;
result = *data;
delete data;
head_.store(next);
delete head;
return true;
}
bool empty() const {
Node* head = head_.load();
return (head->next.load() == nullptr);
}
};
using LockFreeQueue = ::LockFreeQueue<T>;
// thread pool stealing
class ThreadPool {

85
Sources/connection_pool.cpp
View File

@ -7,6 +7,8 @@
#pragma comment(lib, "ws2_32.lib")
#else
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>
@ -34,7 +36,8 @@ ConnectionPool::~ConnectionPool() {
}
}
socket_t ConnectionPool::acquire_connection(const std::string& host, int port, bool is_ssl) {
socket_t ConnectionPool::acquire_connection(const std::string& host, int port, bool is_ssl,
std::atomic<bool>* cancel) {
std::string key = make_key(host, port, is_ssl);
{
@ -83,7 +86,65 @@ socket_t ConnectionPool::acquire_connection(const std::string& host, int port, b
memcpy(&server_addr.sin_addr, host_entry->h_addr, host_entry->h_length);
if (::connect(sock, (struct sockaddr*)&server_addr, sizeof(server_addr)) == SOCKET_ERROR) {
#ifdef _WIN32
u_long nb_mode = 1;
ioctlsocket(sock, FIONBIO, &nb_mode);
#else
int old_flags = fcntl(sock, F_GETFL, 0);
fcntl(sock, F_SETFL, old_flags | O_NONBLOCK);
#endif
bool connected = (::connect(sock, (struct sockaddr*)&server_addr, sizeof(server_addr)) == 0);
if (!connected) {
#ifdef _WIN32
int connect_err = WSAGetLastError();
bool in_progress = (connect_err == WSAEWOULDBLOCK || connect_err == WSAEINPROGRESS);
#else
bool in_progress = (errno == EINPROGRESS);
#endif
auto deadline = std::chrono::steady_clock::now() +
std::chrono::milliseconds(15000);
while (in_progress) {
if (cancel != nullptr && cancel->load()) {
in_progress = false;
break;
}
if (std::chrono::steady_clock::now() >= deadline) {
in_progress = false;
break;
}
fd_set wfds, efds;
FD_ZERO(&wfds);
FD_ZERO(&efds);
FD_SET(sock, &wfds);
FD_SET(sock, &efds);
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 50000;
#ifdef _WIN32
int sel = ::select(0, nullptr, &wfds, &efds, &tv);
#else
int sel = ::select(static_cast<int>(sock) + 1, nullptr, &wfds, &efds, &tv);
#endif
if (sel > 0) {
int so_err = 0;
socklen_t so_len = sizeof(so_err);
getsockopt(sock, SOL_SOCKET, SO_ERROR, (char*)&so_err, &so_len);
connected = (so_err == 0);
break;
}
if (sel < 0) break;
}
}
#ifdef _WIN32
nb_mode = 0;
ioctlsocket(sock, FIONBIO, &nb_mode);
#else
fcntl(sock, F_SETFL, old_flags);
#endif
if (!connected) {
kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to connect to %s:%d", host.c_str(), port);
#ifdef _WIN32
closesocket(sock);
@ -165,9 +226,23 @@ std::string ConnectionPool::make_key(const std::string& host, int port, bool is_
}
bool ConnectionPool::is_socket_alive(socket_t socket) const {
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(socket, &rfds);
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 0;
#ifdef _WIN32
int sel = ::select(0, &rfds, nullptr, nullptr, &tv);
#else
int sel = ::select(static_cast<int>(socket) + 1, &rfds, nullptr, nullptr, &tv);
#endif
if (sel < 0) return false;
if (sel == 0) return true;
char test_byte;
int result = ::recv(socket, &test_byte, 1, MSG_PEEK);
if (result == 0) return false;
#ifdef _WIN32
if (result == SOCKET_ERROR) {
int error = WSAGetLastError();
@ -178,6 +253,6 @@ bool ConnectionPool::is_socket_alive(socket_t socket) const {
return (errno == EWOULDBLOCK || errno == EAGAIN);
}
#endif
return true;
return false;
}

4
Sources/connection_pool.h
View File

@ -5,6 +5,7 @@
#include <queue>
#include <mutex>
#include <chrono>
#include <atomic>
#ifdef _WIN32
#include <winsock2.h>
@ -31,7 +32,8 @@ public:
ConnectionPool() = default;
~ConnectionPool();
socket_t acquire_connection(const std::string& host, int port, bool is_ssl = false);
socket_t acquire_connection(const std::string& host, int port, bool is_ssl = false,
std::atomic<bool>* cancel = nullptr);
// returns connection to pool for reuse
void release_connection(const std::string& host, int port, socket_t socket, bool is_ssl = false);

162
Sources/httprequest.cpp
View File

@ -11,6 +11,7 @@
#include <chrono>
#include <sstream>
#include <algorithm>
#include <cctype>
#include <fstream>
#ifdef _WIN32
@ -299,14 +300,52 @@ namespace HttpRequestWrapper {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Destroying HTTP request client");
#endif
should_abort_ = true;
int s = active_socket_.exchange(-1);
if (s >= 0) {
#ifdef _WIN32
::shutdown(static_cast<SOCKET>(s), SD_BOTH);
#else
::shutdown(s, SHUT_RDWR);
#endif
}
if (request_future_.valid()) {
request_future_.wait();
}
#ifdef WITH_SSL
cleanupSSL();
#endif
if (isolate_ != nullptr) {
v8::Locker locker{isolate_};
v8::Isolate::Scope isolate_scope(isolate_);
v8::HandleScope handle_scope(isolate_);
on_ready_state_change_.Reset();
on_load_.Reset();
on_error_.Reset();
on_timeout_.Reset();
on_abort_.Reset();
on_progress_.Reset();
on_load_start_.Reset();
on_load_end_.Reset();
}
}
void HttpRequestClient::open(const std::string& method, const std::string& url, bool async) {
if (request_future_.valid()) {
should_abort_ = true;
int s = active_socket_.exchange(-1);
if (s >= 0) {
#ifdef _WIN32
::shutdown(static_cast<SOCKET>(s), SD_BOTH);
#else
::shutdown(s, SHUT_RDWR);
#endif
}
request_future_.wait();
}
std::lock_guard<std::mutex> lock(state_mutex_);
method_ = method;
url_ = url;
async_ = async;
@ -350,10 +389,11 @@ namespace HttpRequestWrapper {
#endif
request_data_ = data;
should_abort_ = false;
if (async_) {
// use thread pool
GlobalThreadPool::getInstance().enqueue([this]() {
request_future_ = GlobalThreadPool::getInstance().enqueue([this]() {
this->performRequest();
});
} else {
@ -364,11 +404,21 @@ namespace HttpRequestWrapper {
void HttpRequestClient::abort() {
std::lock_guard<std::mutex> lock(state_mutex_);
if (ready_state_ == DONE) {
return;
}
should_abort_ = true;
int s = active_socket_.exchange(-1);
if (s >= 0) {
#ifdef _WIN32
::shutdown(static_cast<SOCKET>(s), SD_BOTH);
#else
::shutdown(s, SHUT_RDWR);
#endif
}
setReadyState(DONE);
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "HTTP request aborted");
@ -437,6 +487,26 @@ namespace HttpRequestWrapper {
on_load_end_.Reset(isolate_, callback);
}
static size_t response_end(const std::string& response, const std::string& method) {
size_t header_end = response.find("\r\n\r\n");
if (header_end == std::string::npos) return std::string::npos;
std::string lower(response, 0, header_end);
for (char& c : lower) c = (char)std::tolower((unsigned char)c);
int status = atoi(lower.c_str() + lower.find(' ') + 1);
if (status == 204 || status == 304 || method == "HEAD" || method == "head") {
return header_end + 4;
}
size_t pos = lower.find("content-length:");
if (pos != std::string::npos) {
return header_end + 4 + strtoull(lower.c_str() + pos + 15, nullptr, 10);
}
if (lower.find("transfer-encoding:") != std::string::npos) {
size_t term = response.find("0\r\n\r\n", header_end + 4);
return term == std::string::npos ? std::string::npos : term + 5;
}
return std::string::npos;
}
void HttpRequestClient::performRequest() {
active_operation_ = true;
@ -497,7 +567,8 @@ namespace HttpRequestWrapper {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Acquiring connection for HTTP request");
#endif
SOCKET sock = g_connection_pool.acquire_connection(host, port, is_https);
SOCKET sock = g_connection_pool.acquire_connection(host, port, is_https, &should_abort_);
active_socket_ = static_cast<int>(sock);
if (sock == INVALID_SOCKET) {
response_.error = "Failed to acquire connection";
#ifdef DEBUG_NETWORK
@ -523,27 +594,36 @@ namespace HttpRequestWrapper {
::setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout));
#endif
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Connected successfully to %s:%d", host.c_str(), port);
#endif
#ifdef WITH_SSL
if (is_https) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Performing SSL handshake");
#endif
ssl_socket_ = static_cast<int>(sock);
if (!performSSLHandshake(static_cast<int>(sock), host)) {
response_.error = "SSL handshake failed";
active_socket_ = -1;
closesocket(sock);
setReadyState(DONE);
handleError(response_.error);
active_operation_ = false;
return;
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "SSL handshake completed successfully");
#endif
}
#endif
std::string request_data = formatHttpRequest(method_, path, host, request_data_);
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Sending HTTP request (%zu bytes):", request_data.length());
kinc_log(KINC_LOG_LEVEL_INFO, "Request preview: %.200s", request_data.c_str());
#endif
int bytes_sent = 0;
#ifdef WITH_SSL
@ -565,20 +645,34 @@ namespace HttpRequestWrapper {
return;
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "HTTP request sent successfully");
#endif
char buffer[4096];
int bytes_received;
std::string response_data;
int total_bytes = 0;
bool body_complete = false;
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Starting to receive HTTP response");
#endif
while (true) {
size_t end = response_end(response_data, method_);
if (end != std::string::npos && response_data.size() >= end) {
body_complete = true;
break;
}
#ifdef WITH_SSL
if (is_https) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Calling sslRead for %zu bytes", sizeof(buffer) - 1);
#endif
bytes_received = sslRead(buffer, sizeof(buffer) - 1);
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "sslRead returned %d bytes", bytes_received);
#endif
} else {
bytes_received = ::recv(sock, buffer, sizeof(buffer) - 1, 0);
}
@ -587,16 +681,21 @@ namespace HttpRequestWrapper {
#endif
if (bytes_received <= 0) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Breaking from response reading loop, bytes_received: %d", bytes_received);
#endif
break;
}
buffer[bytes_received] = '\0';
response_data += buffer;
response_data.append(buffer, bytes_received);
total_bytes += bytes_received;
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Received %d bytes (total: %d)", bytes_received, total_bytes);
#endif
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Finished receiving data, total bytes: %d", total_bytes);
#endif
#ifdef WITH_SSL
if (is_https) {
@ -604,24 +703,40 @@ namespace HttpRequestWrapper {
}
#endif
// return connection to pool for reuse instead of closing
g_connection_pool.release_connection(host, port, sock, is_https);
active_socket_ = -1;
if (bytes_received == SOCKET_ERROR) {
response_.error = "Failed to receive response";
closesocket(sock);
setReadyState(DONE);
handleError(response_.error);
active_operation_ = false;
return;
}
if (should_abort_.load()) {
closesocket(sock);
active_operation_ = false;
return;
}
if (body_complete) {
g_connection_pool.release_connection(host, port, sock, is_https);
} else {
closesocket(sock);
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Raw HTTP response data (%zu bytes):", response_data.length());
kinc_log(KINC_LOG_LEVEL_INFO, "Response preview: %.200s", response_data.c_str());
#endif
parseHttpResponse(response_data);
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Parsed response - status: %d, body length: %zu", response_.status, response_.responseText.length());
kinc_log(KINC_LOG_LEVEL_INFO, "Response body preview: %.200s", response_.responseText.c_str());
#endif
setReadyState(HEADERS_RECEIVED);
@ -661,6 +776,7 @@ namespace HttpRequestWrapper {
}
void HttpRequestClient::handleError(const std::string& error) {
if (should_abort_.load()) return; // abort() already fired its event
std::lock_guard<std::mutex> lock(event_queue_mutex_);
event_queue_.push(Event(HTTP_ERROR, error));
}
@ -832,7 +948,9 @@ namespace HttpRequestWrapper {
bool HttpRequestClient::parseUrl(const std::string& url, std::string& host, int& port, std::string& path, bool& is_https) {
if (url.find("://") == std::string::npos) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Detected local file path: %s", url.c_str());
#endif
host = "localhost";
port = 0;
path = url;
@ -841,7 +959,9 @@ namespace HttpRequestWrapper {
}
if (url.substr(0, 7) == "file://") {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Detected file:// URL: %s", url.c_str());
#endif
host = "localhost";
port = 0; // Special port to indicate local file
path = url.substr(7); // Remove "file://" prefix
@ -852,7 +972,9 @@ namespace HttpRequestWrapper {
std::regex url_regex(R"(^(https?):\/\/([^\/\s:]+)(?::(\d+))?(\/[^\s]*)?(?:\?[^\s]*)?(?:#[^\s]*)?$)");
std::smatch matches;
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Parsing HTTP URL: %s", url.c_str());
#endif
if (!std::regex_match(url, matches, url_regex)) {
// fallback parsing for simpler URLs
@ -900,8 +1022,10 @@ namespace HttpRequestWrapper {
port = is_https ? 443 : 80;
}
kinc_log(KINC_LOG_LEVEL_INFO, "URL parsed successfully - scheme: %s, host: %s, port: %d, path: %s",
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "URL parsed successfully - scheme: %s, host: %s, port: %d, path: %s",
scheme.c_str(), host.c_str(), port, path.c_str());
#endif
return true;
}
@ -911,7 +1035,7 @@ namespace HttpRequestWrapper {
request << method << " " << path << " HTTP/1.1\r\n";
request << "Host: " << host << "\r\n";
request << "Connection: close\r\n";
request << "Connection: keep-alive\r\n";
request << "User-Agent: LNXCORE/1.0\r\n";
request << "Accept: */*\r\n";
request << "Accept-Encoding: identity\r\n";
@ -935,8 +1059,10 @@ namespace HttpRequestWrapper {
}
std::string request_str = request.str();
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Formatted HTTP request (%zu bytes):", request_str.length());
kinc_log(KINC_LOG_LEVEL_INFO, "Request headers: %s", request_str.substr(0, request_str.find("\r\n\r\n")).c_str());
#endif
return request_str;
}
@ -1011,11 +1137,15 @@ namespace HttpRequestWrapper {
response_.headers[header_name] = header_value;
header_count++;
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Header: %s = %s", header_name.c_str(), header_value.c_str());
#endif
}
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Parsed %d headers", header_count);
#endif
std::ostringstream body_stream;
std::string body_line;
@ -1030,12 +1160,16 @@ namespace HttpRequestWrapper {
}
response_.responseText = body_stream.str();
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Parsed body: %zu lines, %zu bytes", body_lines, response_.responseText.length());
#endif
#ifdef DEBUG_NETWORK
if (!response_.responseText.empty()) {
std::string preview = response_.responseText.substr(0, 100);
kinc_log(KINC_LOG_LEVEL_INFO, "Response body preview: %s", preview.c_str());
}
#endif
}
void HttpRequestClient::loadLocalFile(const std::string& path) {
@ -2394,4 +2528,4 @@ void bind_httprequest_class(Isolate* isolate, const Global<Context>& context) {
global->Set(current_context, String::NewFromUtf8(isolate, "XMLHttpRequest").ToLocalChecked(), xhrFunc);
}
#endif
#endif

5
Sources/httprequest.h
View File

@ -11,6 +11,7 @@
#include <queue>
#include <atomic>
#include <thread>
#include <future>
#include <vector>
#ifdef WITH_SSL
@ -101,7 +102,9 @@ namespace HttpRequestWrapper {
bool with_credentials_;
bool async_;
std::thread request_thread_;
std::atomic<bool> should_abort_;
std::atomic<bool> should_abort_{false};
std::future<void> request_future_;
std::atomic<int> active_socket_{-1};
v8::Global<v8::Function> on_ready_state_change_;
v8::Global<v8::Function> on_load_;

1
Sources/lockfree_queue.h
View File

@ -59,6 +59,7 @@ public:
}
result = *data;
next->data.store(nullptr);
delete data;
head_.store(next);

136
Sources/main.cpp
View File

@ -38,6 +38,10 @@
#include "websocket.h"
#endif
#ifdef WITH_RTC
#include "rtc_v8_bindings.h"
#endif
#ifdef WITH_BENCHMARK
#include "BENCHMARK/websocket_benchmark.h"
extern "C" void websocket_run_benchmark();
@ -1325,9 +1329,7 @@ namespace {
}
int runt_get_samples_per_second_fast(Local<Object> receiver) {
int rate = kinc_a2_samples_per_second();
kinc_log(KINC_LOG_LEVEL_INFO, "Samples per second: %d Hz.", rate);
return rate;
return kinc_a2_samples_per_second();
}
void runt_get_samples_per_second(const FunctionCallbackInfo<Value> &args) {
@ -2296,11 +2298,14 @@ namespace {
HandleScope scope(args.GetIsolate());
String::Utf8Value utf8_path(isolate, args[0]);
if (args.Length() < 2 || !args[1]->IsArrayBuffer()) return;
Local<ArrayBuffer> buffer = Local<ArrayBuffer>::Cast(args[1]);
std::shared_ptr<BackingStore> content = buffer->GetBackingStore();
bool hasLengthArg = args.Length() > 2 && !args[2]->IsNullOrUndefined();
int byteLength = hasLengthArg ? args[2]->ToInt32(isolate->GetCurrentContext()).ToLocalChecked()->Value() : (int)content->ByteLength();
if (byteLength < 0) byteLength = 0;
if (byteLength > (int)content->ByteLength()) byteLength = (int)content->ByteLength();
#ifdef KINC_WINDOWS
@ -2314,6 +2319,112 @@ namespace {
fclose(file);
}
void runt_file_write_bytes(const FunctionCallbackInfo<Value> &args) {
HandleScope scope(args.GetIsolate());
String::Utf8Value utf8_path(isolate, args[0]);
if (args.Length() < 2 || !args[1]->IsArrayBuffer()) return;
Local<ArrayBuffer> buffer = Local<ArrayBuffer>::Cast(args[1]);
std::shared_ptr<BackingStore> content = buffer->GetBackingStore();
int64_t offset = 0;
if (args.Length() > 2 && !args[2]->IsNullOrUndefined()) {
offset = (int64_t)args[2]->ToNumber(isolate->GetCurrentContext()).ToLocalChecked()->Value();
}
bool hasLengthArg = args.Length() > 3 && !args[3]->IsNullOrUndefined();
int byteLength = hasLengthArg ? args[3]->ToInt32(isolate->GetCurrentContext()).ToLocalChecked()->Value() : (int)content->ByteLength();
if (byteLength < 0) byteLength = 0;
if (byteLength > (int)content->ByteLength()) byteLength = (int)content->ByteLength();
#ifdef KINC_WINDOWS
MultiByteToWideChar(CP_UTF8, 0, *utf8_path, -1, temp_wstring, 1024);
FILE *file = _wfopen(temp_wstring, L"r+b");
if (file == nullptr) file = _wfopen(temp_wstring, L"w+b");
#else
FILE *file = fopen(*utf8_path, "r+b");
if (file == nullptr) file = fopen(*utf8_path, "w+b");
#endif
if (file == nullptr) {
args.GetReturnValue().Set(Boolean::New(isolate, false));
return;
}
#ifdef KINC_WINDOWS
_fseeki64(file, offset, SEEK_SET);
#else
fseeko(file, offset, SEEK_SET);
#endif
size_t written = fwrite(content->Data(), 1, byteLength, file);
fclose(file);
args.GetReturnValue().Set(Boolean::New(isolate, written == (size_t)byteLength));
}
void runt_file_read_bytes(const FunctionCallbackInfo<Value> &args) {
HandleScope scope(args.GetIsolate());
String::Utf8Value utf8_path(isolate, args[0]);
int64_t offset = 0;
if (args.Length() > 1 && !args[1]->IsNullOrUndefined()) {
offset = (int64_t)args[1]->ToNumber(isolate->GetCurrentContext()).ToLocalChecked()->Value();
}
int length = 0;
if (args.Length() > 2 && !args[2]->IsNullOrUndefined()) {
length = args[2]->ToInt32(isolate->GetCurrentContext()).ToLocalChecked()->Value();
}
if (offset < 0 || length <= 0) {
args.GetReturnValue().Set(ArrayBuffer::New(isolate, 0));
return;
}
Local<ArrayBuffer> buffer = ArrayBuffer::New(isolate, length);
std::shared_ptr<BackingStore> content = buffer->GetBackingStore();
memset(content->Data(), 0, length);
#ifdef KINC_WINDOWS
MultiByteToWideChar(CP_UTF8, 0, *utf8_path, -1, temp_wstring, 1024);
FILE *file = _wfopen(temp_wstring, L"rb");
#else
FILE *file = fopen(*utf8_path, "rb");
#endif
if (file != nullptr) {
#ifdef KINC_WINDOWS
_fseeki64(file, offset, SEEK_SET);
#else
fseeko(file, offset, SEEK_SET);
#endif
fread(content->Data(), 1, length, file);
fclose(file);
}
args.GetReturnValue().Set(buffer);
}
void runt_file_size(const FunctionCallbackInfo<Value> &args) {
HandleScope scope(args.GetIsolate());
String::Utf8Value utf8_path(isolate, args[0]);
int64_t size = -1;
#ifdef KINC_WINDOWS
MultiByteToWideChar(CP_UTF8, 0, *utf8_path, -1, temp_wstring, 1024);
FILE *file = _wfopen(temp_wstring, L"rb");
#else
FILE *file = fopen(*utf8_path, "rb");
#endif
if (file != nullptr) {
#ifdef KINC_WINDOWS
_fseeki64(file, 0, SEEK_END);
size = _ftelli64(file);
#else
fseeko(file, 0, SEEK_END);
size = (int64_t)ftello(file);
#endif
fclose(file);
}
args.GetReturnValue().Set(Number::New(isolate, (double)size));
}
int sys_command(const char *cmd) {
#ifdef KINC_WINDOWS
int wlen = MultiByteToWideChar(CP_UTF8, 0, cmd, -1, NULL, 0);
@ -2913,6 +3024,9 @@ namespace {
SET_FUNCTION(runt, "beginFace", runt_begin_face);
SET_FUNCTION(runt, "end", runt_end);
SET_FUNCTION(runt, "fileSaveBytes", runt_file_save_bytes);
SET_FUNCTION(runt, "fileWriteBytes", runt_file_write_bytes);
SET_FUNCTION(runt, "fileReadBytes", runt_file_read_bytes);
SET_FUNCTION(runt, "fileSize", runt_file_size);
SET_FUNCTION(runt, "sysCommand", runt_sys_command);
SET_FUNCTION(runt, "savePath", runt_save_path);
SET_FUNCTION(runt, "getArgCount", runt_get_arg_count);
@ -2934,6 +3048,10 @@ namespace {
SET_FUNCTION(runt, "socketSetBlocking", v8_runt_socket_set_blocking);
SET_FUNCTION(runt, "socketSelect", v8_runt_socket_select);
SET_FUNCTION(runt, "socketIsConnected", v8_runt_socket_is_connected);
SET_FUNCTION(runt, "udpCreate", v8_runt_udp_create);
SET_FUNCTION(runt, "udpBind", v8_runt_udp_bind);
SET_FUNCTION(runt, "udpSendTo", v8_runt_udp_sendto);
SET_FUNCTION(runt, "udpRecvFrom", v8_runt_udp_recvfrom);
#ifdef WITH_SSL
SET_FUNCTION(runt, "socketEnableSsl", v8_runt_socket_enable_ssl);
#endif
@ -3214,6 +3332,9 @@ namespace {
WebSocketWrapper::processEvents();
HttpRequestWrapper::processEvents();
#endif
#ifdef WITH_RTC
runt_rtc_process_events_native();
#endif
execute_timers();
EngineManager::AsyncEngine::instance().process_events();
@ -3454,10 +3575,14 @@ namespace {
if (!func->Call(context, context->Global(), 0, NULL).ToLocal(&result)) {
handle_exception(&try_catch);
}
#ifdef WITH_RTC
v8_runt_rtc_shutdown_all();
#endif
#ifdef WITH_NETWORKING
WebSocketWrapper::cleanup();
HttpRequestWrapper::cleanup();
GlobalThreadPool::shutdown();
#endif
#ifdef WITH_VIEWPORT
if (viewport_server_mode) {
@ -4115,6 +4240,9 @@ int kickstart(int argc, char **argv) {
bind_httprequest_class(isolate, global_context);
WEBSOCKET_BIND_V8(isolate, global_context);
#endif
#ifdef WITH_RTC
bind_rtc_bridge(isolate, global_context);
#endif
start_runt(snapshot_found ? NULL : code);

232
Sources/rtc_bridge.cpp Normal file
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@ -0,0 +1,232 @@
#include "rtc_bridge.h"
#include <rtc/rtc.h>
#include <cstring>
#ifdef _WIN32
#include <windows.h>
#include <bcrypt.h>
#else
#include <cstdio>
#endif
static std::mutex *g_rtc_mutex = new std::mutex;
static std::deque<RtcEvent> *g_rtc_events = new std::deque<RtcEvent>;
static void rtc_push(RtcEvent &&ev) {
std::lock_guard<std::mutex> lock(*g_rtc_mutex);
g_rtc_events->push_back(std::move(ev));
}
bool runt_rtc_poll_event(RtcEvent &out) {
std::lock_guard<std::mutex> lock(*g_rtc_mutex);
if (g_rtc_events->empty()) return false;
out = std::move(g_rtc_events->front());
g_rtc_events->pop_front();
return true;
}
static void RTC_API rtc_description_cb(int pc, const char *sdp, const char *type, void *ptr) {
RtcEvent ev;
ev.type = RtcEventType::LocalDescription;
ev.id = pc;
ev.s1 = sdp != nullptr ? sdp : "";
ev.s2 = type != nullptr ? type : "";
rtc_push(std::move(ev));
}
static void RTC_API rtc_candidate_cb(int pc, const char *cand, const char *mid, void *ptr) {
RtcEvent ev;
ev.type = RtcEventType::LocalCandidate;
ev.id = pc;
ev.s1 = cand != nullptr ? cand : "";
ev.s2 = mid != nullptr ? mid : "";
rtc_push(std::move(ev));
}
static void RTC_API rtc_open_cb(int id, void *ptr);
static void RTC_API rtc_closed_cb(int id, void *ptr);
static void RTC_API rtc_error_cb(int id, const char *error, void *ptr);
static void RTC_API rtc_message_cb(int id, const char *message, int size, void *ptr);
static void RTC_API rtc_state_cb(int pc, rtcState state, void *ptr) {
RtcEvent ev;
ev.type = RtcEventType::StateChange;
ev.id = pc;
ev.arg = (int)state;
rtc_push(std::move(ev));
}
static void RTC_API rtc_gathering_cb(int pc, rtcGatheringState state, void *ptr) {
RtcEvent ev;
ev.type = RtcEventType::GatheringState;
ev.id = pc;
ev.arg = (int)state;
rtc_push(std::move(ev));
}
static void rtc_register_dc_callbacks(int dc) {
rtcSetOpenCallback(dc, rtc_open_cb);
rtcSetClosedCallback(dc, rtc_closed_cb);
rtcSetErrorCallback(dc, rtc_error_cb);
rtcSetMessageCallback(dc, rtc_message_cb);
}
static void RTC_API rtc_datachannel_cb(int pc, int dc, void *ptr) {
rtc_register_dc_callbacks(dc);
RtcEvent ev;
ev.type = RtcEventType::DataChannel;
ev.id = pc;
ev.arg = dc;
rtc_push(std::move(ev));
}
static void RTC_API rtc_open_cb(int id, void *ptr) {
RtcEvent ev;
ev.type = RtcEventType::Open;
ev.id = id;
rtc_push(std::move(ev));
}
static void RTC_API rtc_closed_cb(int id, void *ptr) {
RtcEvent ev;
ev.type = RtcEventType::Closed;
ev.id = id;
rtc_push(std::move(ev));
}
static void RTC_API rtc_error_cb(int id, const char *error, void *ptr) {
RtcEvent ev;
ev.type = RtcEventType::Error;
ev.id = id;
ev.s1 = error != nullptr ? error : "";
rtc_push(std::move(ev));
}
static void RTC_API rtc_message_cb(int id, const char *message, int size, void *ptr) {
RtcEvent ev;
ev.type = RtcEventType::Message;
ev.id = id;
if (size < 0) {
ev.isString = true;
ev.s1 = message != nullptr ? message : "";
} else {
ev.data.assign(message, message + size);
}
rtc_push(std::move(ev));
}
int runt_rtc_init() {
return rtcPreload() ? 0 : -1;
}
void runt_rtc_cleanup() {
rtcCleanup();
}
int runt_rtc_create_peer_connection(const std::vector<std::string> &iceServers) {
rtcConfiguration conf;
memset(&conf, 0, sizeof(conf));
std::vector<const char *> servers(iceServers.size());
for (size_t i = 0; i < iceServers.size(); i++) {
servers[i] = iceServers[i].c_str();
}
conf.iceServers = servers.data();
conf.iceServersCount = (int)servers.size();
int pc = rtcCreatePeerConnection(&conf);
if (pc < 0) return pc;
rtcSetLocalDescriptionCallback(pc, rtc_description_cb);
rtcSetLocalCandidateCallback(pc, rtc_candidate_cb);
rtcSetStateChangeCallback(pc, rtc_state_cb);
rtcSetGatheringStateChangeCallback(pc, rtc_gathering_cb);
rtcSetDataChannelCallback(pc, rtc_datachannel_cb);
return pc;
}
void runt_rtc_close_peer_connection(int pc) {
rtcClosePeerConnection(pc);
}
void runt_rtc_delete_peer_connection(int pc) {
rtcDeletePeerConnection(pc);
}
void runt_rtc_set_local_description(int pc, const char *type) {
rtcSetLocalDescription(pc, type);
}
int runt_rtc_set_remote_description(int pc, const char *sdp, const char *type) {
return rtcSetRemoteDescription(pc, sdp, type);
}
int runt_rtc_add_remote_candidate(int pc, const char *cand, const char *mid) {
return rtcAddRemoteCandidate(pc, cand, mid);
}
std::string runt_rtc_get_local_description(int pc) {
int size = rtcGetLocalDescription(pc, nullptr, 0);
if (size <= 0) return "";
std::string buf(size, '\0');
rtcGetLocalDescription(pc, buf.data(), size);
return std::string(buf.data(), strnlen(buf.data(), buf.size()));
}
std::string runt_rtc_get_local_description_type(int pc) {
char buf[64];
int size = rtcGetLocalDescriptionType(pc, buf, sizeof(buf));
if (size <= 0) return "";
return std::string(buf, strnlen(buf, sizeof(buf)));
}
int runt_rtc_create_data_channel(int pc, const char *label, bool unordered,
int maxRetransmits) {
rtcDataChannelInit init;
memset(&init, 0, sizeof(init));
init.reliability.unordered = unordered;
init.reliability.unreliable = maxRetransmits >= 0;
init.reliability.maxRetransmits =
maxRetransmits >= 0 ? (unsigned int)maxRetransmits : 0;
int dc = rtcCreateDataChannelEx(pc, label, &init);
if (dc < 0) return dc;
rtc_register_dc_callbacks(dc);
return dc;
}
void runt_rtc_delete_data_channel(int dc) {
rtcDeleteDataChannel(dc);
}
int runt_rtc_send_message(int id, const char *data, int size) {
return rtcSendMessage(id, data, size);
}
void runt_rtc_close(int id) {
rtcClose(id);
}
void runt_rtc_delete(int id) {
rtcDelete(id);
}
bool runt_rtc_is_open(int id) {
return rtcIsOpen(id);
}
int runt_rtc_get_buffered_amount(int id) {
return rtcGetBufferedAmount(id);
}
bool runt_rtc_random_bytes(char *out, int len) {
#ifdef _WIN32
return BCryptGenRandom(nullptr, reinterpret_cast<PUCHAR>(out),
static_cast<ULONG>(len),
BCRYPT_USE_SYSTEM_PREFERRED_RNG) == 0;
#else
FILE *f = fopen("/dev/urandom", "rb");
if (f == nullptr) return false;
size_t n = fread(out, 1, static_cast<size_t>(len), f);
fclose(f);
return n == static_cast<size_t>(len);
#endif
}

54
Sources/rtc_bridge.h Normal file
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@ -0,0 +1,54 @@
#pragma once
#include <deque>
#include <mutex>
#include <string>
#include <vector>
enum class RtcEventType {
LocalDescription, // id=pc, s1=sdp, s2=type
LocalCandidate, // id=pc, s1=cand, s2=mid
StateChange, // id=pc, arg=rtcState
GatheringState, // id=pc, arg=rtcGatheringState
DataChannel, // id=pc, arg=new dc id
Open, // id=dc
Closed, // id=dc
Error, // id=dc, s1=error
Message // id=dc, data=payload, isString=text frame
};
struct RtcEvent {
RtcEventType type;
int id;
int arg = 0;
std::string s1;
std::string s2;
std::vector<char> data;
bool isString = false;
};
int runt_rtc_init();
void runt_rtc_cleanup();
int runt_rtc_create_peer_connection(const std::vector<std::string> &iceServers);
void runt_rtc_close_peer_connection(int pc);
void runt_rtc_delete_peer_connection(int pc);
void runt_rtc_set_local_description(int pc, const char *type);
int runt_rtc_set_remote_description(int pc, const char *sdp, const char *type);
int runt_rtc_add_remote_candidate(int pc, const char *cand, const char *mid);
std::string runt_rtc_get_local_description(int pc);
std::string runt_rtc_get_local_description_type(int pc);
int runt_rtc_create_data_channel(int pc, const char *label, bool unordered,
int maxRetransmits);
void runt_rtc_delete_data_channel(int dc);
int runt_rtc_send_message(int id, const char *data, int size);
void runt_rtc_close(int id);
void runt_rtc_delete(int id);
bool runt_rtc_is_open(int id);
int runt_rtc_get_buffered_amount(int id);
bool runt_rtc_random_bytes(char *out, int len);
bool runt_rtc_poll_event(RtcEvent &out);

607
Sources/rtc_v8_bindings.cpp Normal file
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@ -0,0 +1,607 @@
#include "rtc_v8_bindings.h"
#include "rtc_bridge.h"
#include <kinc/log.h>
#include <algorithm>
#include <cstring>
#include <map>
#include <set>
#include <vector>
using namespace v8;
static Isolate *g_rtc_isolate = nullptr;
static std::map<int, Persistent<Function>> &g_desc_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, Persistent<Function>> &g_cand_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, Persistent<Function>> &g_state_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, Persistent<Function>> &g_gathering_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, Persistent<Function>> &g_dc_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, Persistent<Function>> &g_open_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, Persistent<Function>> &g_closed_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, Persistent<Function>> &g_error_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, Persistent<Function>> &g_msg_cbs = *new std::map<int, Persistent<Function>>;
static std::map<int, std::vector<int>> &g_pc_dcs = *new std::map<int, std::vector<int>>;
static std::map<int, int> &g_dc_to_pc = *new std::map<int, int>;
static Global<Context> *g_rtc_context = nullptr;
static void rtc_throw(Isolate *isolate, const char *msg) {
isolate->ThrowException(
Exception::TypeError(String::NewFromUtf8(isolate, msg).ToLocalChecked()));
}
static bool rtc_store_cb(const FunctionCallbackInfo<Value> &args,
std::map<int, Persistent<Function>> &cbs,
const char *name) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
rtc_throw(isolate, name);
return false;
}
int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
cbs[id].Reset(isolate, args[1].As<Function>());
return true;
}
static void rtc_drop_cbs(int id) {
g_desc_cbs.erase(id);
g_cand_cbs.erase(id);
g_state_cbs.erase(id);
g_gathering_cbs.erase(id);
g_dc_cbs.erase(id);
g_open_cbs.erase(id);
g_closed_cbs.erase(id);
g_error_cbs.erase(id);
g_msg_cbs.erase(id);
}
static void rtc_track_dc(int pc, int dc) {
g_pc_dcs[pc].push_back(dc);
g_dc_to_pc[dc] = pc;
}
static void rtc_forget_dc(int dc) {
auto it = g_dc_to_pc.find(dc);
if (it == g_dc_to_pc.end()) return;
auto &dcs = g_pc_dcs[it->second];
dcs.erase(std::remove(dcs.begin(), dcs.end(), dc), dcs.end());
g_dc_to_pc.erase(it);
}
static void rtc_call(Persistent<Function> &cb, int argc, Local<Value> *argv) {
if (cb.IsEmpty()) return;
Isolate *isolate = g_rtc_isolate;
Local<Context> ctx = isolate->GetCurrentContext();
Local<Function> fn = cb.Get(isolate);
TryCatch try_catch(isolate);
fn->Call(ctx, Null(isolate), argc, argv).IsEmpty();
if (try_catch.HasCaught()) {
String::Utf8Value err(isolate, try_catch.Exception());
kinc_log(KINC_LOG_LEVEL_WARNING, "runt_rtc callback threw: %s",
*err != nullptr ? *err : "unknown");
}
}
static Local<String> rtc_str(Isolate *isolate, const std::string &s) {
return String::NewFromUtf8(isolate, s.data(), NewStringType::kNormal,
(int)s.size())
.ToLocalChecked();
}
void v8_runt_rtc_init(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
g_rtc_isolate = isolate;
args.GetReturnValue().Set(Integer::New(isolate, runt_rtc_init()));
}
void v8_runt_rtc_cleanup(const FunctionCallbackInfo<Value> &args) {
runt_rtc_cleanup();
for (auto *m : {&g_desc_cbs, &g_cand_cbs, &g_state_cbs,
&g_gathering_cbs, &g_dc_cbs, &g_open_cbs,
&g_closed_cbs, &g_error_cbs, &g_msg_cbs}) {
for (auto &kv : *m) kv.second.Reset();
m->clear();
}
g_pc_dcs.clear();
g_dc_to_pc.clear();
RtcEvent ev;
while (runt_rtc_poll_event(ev)) {}
args.GetReturnValue().Set(Undefined(args.GetIsolate()));
}
void v8_runt_rtc_shutdown_all() {
std::set<int> dcs;
for (auto &kv : g_dc_to_pc) dcs.insert(kv.first);
for (auto &kv : g_msg_cbs) dcs.insert(kv.first);
for (auto &kv : g_open_cbs) dcs.insert(kv.first);
for (auto &kv : g_closed_cbs) dcs.insert(kv.first);
for (auto &kv : g_error_cbs) dcs.insert(kv.first);
for (int dc : dcs) runt_rtc_delete_data_channel(dc);
std::set<int> pcs;
for (auto &kv : g_pc_dcs) pcs.insert(kv.first);
for (auto &kv : g_desc_cbs) pcs.insert(kv.first);
for (auto &kv : g_cand_cbs) pcs.insert(kv.first);
for (auto &kv : g_state_cbs) pcs.insert(kv.first);
for (auto &kv : g_gathering_cbs) pcs.insert(kv.first);
for (auto &kv : g_dc_cbs) pcs.insert(kv.first);
for (int pc : pcs) runt_rtc_delete_peer_connection(pc);
for (auto *m : {&g_desc_cbs, &g_cand_cbs, &g_state_cbs,
&g_gathering_cbs, &g_dc_cbs, &g_open_cbs,
&g_closed_cbs, &g_error_cbs, &g_msg_cbs}) {
for (auto &kv : *m) kv.second.Reset();
m->clear();
}
g_pc_dcs.clear();
g_dc_to_pc.clear();
RtcEvent ev;
while (runt_rtc_poll_event(ev)) {}
runt_rtc_cleanup();
}
void v8_runt_rtc_create_peer_connection(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
std::vector<std::string> iceServers;
if (args.Length() >= 1 && args[0]->IsArray()) {
Local<Array> arr = args[0].As<Array>();
Local<Context> ctx = isolate->GetCurrentContext();
for (uint32_t i = 0; i < arr->Length(); i++) {
Local<Value> el = arr->Get(ctx, i).ToLocalChecked();
if (el->IsString()) {
String::Utf8Value s(isolate, el);
iceServers.push_back(*s);
}
}
}
int pc = runt_rtc_create_peer_connection(iceServers);
args.GetReturnValue().Set(Integer::New(isolate, pc));
}
void v8_runt_rtc_close_peer_connection(const FunctionCallbackInfo<Value> &args) {
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int pc = args[0]->Int32Value(args.GetIsolate()->GetCurrentContext()).FromJust();
runt_rtc_close_peer_connection(pc);
}
void v8_runt_rtc_delete_peer_connection(const FunctionCallbackInfo<Value> &args) {
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int pc = args[0]->Int32Value(args.GetIsolate()->GetCurrentContext()).FromJust();
runt_rtc_delete_peer_connection(pc);
rtc_drop_cbs(pc);
auto it = g_pc_dcs.find(pc);
if (it != g_pc_dcs.end()) {
for (int dc : it->second) {
rtc_drop_cbs(dc);
g_dc_to_pc.erase(dc);
}
g_pc_dcs.erase(it);
}
}
void v8_runt_rtc_set_local_description(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int pc = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
const char *type = nullptr;
if (args.Length() >= 2 && args[1]->IsString()) {
String::Utf8Value typeStr(isolate, args[1]);
type = *typeStr;
}
runt_rtc_set_local_description(pc, type);
}
void v8_runt_rtc_set_remote_description(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 3 || !args[0]->IsNumber() || !args[1]->IsString() ||
!args[2]->IsString()) {
rtc_throw(isolate,
"runt_rtc_set_remote_description requires (pc, sdp, type)");
return;
}
int pc = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
String::Utf8Value sdp(isolate, args[1]);
String::Utf8Value type(isolate, args[2]);
int ret = runt_rtc_set_remote_description(pc, *sdp, *type);
args.GetReturnValue().Set(Integer::New(isolate, ret));
}
void v8_runt_rtc_add_remote_candidate(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 3 || !args[0]->IsNumber() || !args[1]->IsString() ||
!args[2]->IsString()) {
rtc_throw(isolate,
"runt_rtc_add_remote_candidate requires (pc, cand, mid)");
return;
}
int pc = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
String::Utf8Value cand(isolate, args[1]);
String::Utf8Value mid(isolate, args[2]);
int ret = runt_rtc_add_remote_candidate(pc, *cand, *mid);
args.GetReturnValue().Set(Integer::New(isolate, ret));
}
void v8_runt_rtc_get_local_description(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int pc = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
args.GetReturnValue().Set(
rtc_str(isolate, runt_rtc_get_local_description(pc)));
}
void v8_runt_rtc_get_local_description_type(
const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int pc = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
args.GetReturnValue().Set(
rtc_str(isolate, runt_rtc_get_local_description_type(pc)));
}
void v8_runt_rtc_create_data_channel(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsString()) {
rtc_throw(isolate, "runt_rtc_create_data_channel requires (pc, label)");
return;
}
int pc = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
String::Utf8Value label(isolate, args[1]);
bool unordered = false;
int maxRetransmits = -1;
if (args.Length() >= 3 && args[2]->IsBoolean()) {
unordered = args[2]->BooleanValue(isolate);
}
if (args.Length() >= 4 && args[3]->IsNumber()) {
maxRetransmits =
args[3]->Int32Value(isolate->GetCurrentContext()).FromJust();
}
int dc = runt_rtc_create_data_channel(pc, *label, unordered,
maxRetransmits);
if (dc >= 0) rtc_track_dc(pc, dc);
args.GetReturnValue().Set(Integer::New(isolate, dc));
}
void v8_runt_rtc_delete_data_channel(const FunctionCallbackInfo<Value> &args) {
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int dc = args[0]->Int32Value(args.GetIsolate()->GetCurrentContext()).FromJust();
runt_rtc_delete_data_channel(dc);
rtc_drop_cbs(dc);
rtc_forget_dc(dc);
}
void v8_runt_rtc_send_message(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 2 || !args[0]->IsNumber()) {
rtc_throw(isolate, "runt_rtc_send_message requires (id, data)");
return;
}
int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
int ret = -1;
if (args[1]->IsArrayBuffer()) {
Local<ArrayBuffer> buf = args[1].As<ArrayBuffer>();
ret = runt_rtc_send_message(
id, static_cast<const char *>(buf->GetBackingStore()->Data()),
(int)buf->ByteLength());
} else if (args[1]->IsArrayBufferView()) {
Local<ArrayBufferView> view = args[1].As<ArrayBufferView>();
Local<ArrayBuffer> buf = view->Buffer();
const char *data =
static_cast<const char *>(buf->GetBackingStore()->Data()) +
view->ByteOffset();
ret = runt_rtc_send_message(id, data, (int)view->ByteLength());
} else if (args[1]->IsString()) {
String::Utf8Value s(isolate, args[1]);
ret = runt_rtc_send_message(id, *s, -1);
} else {
rtc_throw(isolate,
"runt_rtc_send_message data must be String or ArrayBuffer");
return;
}
args.GetReturnValue().Set(Integer::New(isolate, ret));
}
void v8_runt_rtc_close(const FunctionCallbackInfo<Value> &args) {
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int id = args[0]->Int32Value(args.GetIsolate()->GetCurrentContext()).FromJust();
runt_rtc_close(id);
}
void v8_runt_rtc_delete(const FunctionCallbackInfo<Value> &args) {
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int id = args[0]->Int32Value(args.GetIsolate()->GetCurrentContext()).FromJust();
runt_rtc_delete(id);
rtc_drop_cbs(id);
rtc_forget_dc(id);
}
void v8_runt_rtc_is_open(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
args.GetReturnValue().Set(Boolean::New(isolate, runt_rtc_is_open(id)));
}
void v8_runt_rtc_get_buffered_amount(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 1 || !args[0]->IsNumber()) return;
int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
args.GetReturnValue().Set(
Integer::New(isolate, runt_rtc_get_buffered_amount(id)));
}
void v8_runt_rtc_set_local_description_callback(
const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_desc_cbs,
"runt_rtc_set_local_description_callback requires (pc, fn)");
}
void v8_runt_rtc_set_local_candidate_callback(
const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_cand_cbs,
"runt_rtc_set_local_candidate_callback requires (pc, fn)");
}
void v8_runt_rtc_set_state_change_callback(
const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_state_cbs,
"runt_rtc_set_state_change_callback requires (pc, fn)");
}
void v8_runt_rtc_set_gathering_state_callback(
const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_gathering_cbs,
"runt_rtc_set_gathering_state_callback requires (pc, fn)");
}
void v8_runt_rtc_set_data_channel_callback(
const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_dc_cbs,
"runt_rtc_set_data_channel_callback requires (pc, fn)");
}
void v8_runt_rtc_set_open_callback(const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_open_cbs,
"runt_rtc_set_open_callback requires (id, fn)");
}
void v8_runt_rtc_set_closed_callback(const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_closed_cbs,
"runt_rtc_set_closed_callback requires (id, fn)");
}
void v8_runt_rtc_set_error_callback(const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_error_cbs,
"runt_rtc_set_error_callback requires (id, fn)");
}
void v8_runt_rtc_set_message_callback(const FunctionCallbackInfo<Value> &args) {
rtc_store_cb(args, g_msg_cbs,
"runt_rtc_set_message_callback requires (id, fn)");
}
void v8_runt_rtc_random_bytes(const FunctionCallbackInfo<Value> &args) {
Isolate *isolate = args.GetIsolate();
if (args.Length() < 1 || !args[0]->IsNumber()) {
rtc_throw(isolate, "runt_rtc_random_bytes requires (len)");
return;
}
int len = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
if (len <= 0) {
args.GetReturnValue().Set(Null(isolate));
return;
}
Local<ArrayBuffer> buf = ArrayBuffer::New(isolate, len);
if (!runt_rtc_random_bytes(
static_cast<char *>(buf->GetBackingStore()->Data()), len)) {
args.GetReturnValue().Set(Null(isolate));
return;
}
args.GetReturnValue().Set(buf);
}
static void rtc_drain_events() {
Isolate *isolate = g_rtc_isolate;
RtcEvent ev;
while (runt_rtc_poll_event(ev)) {
switch (ev.type) {
case RtcEventType::LocalDescription: {
auto it = g_desc_cbs.find(ev.id);
if (it != g_desc_cbs.end()) {
Local<Value> argv[2] = {rtc_str(isolate, ev.s1),
rtc_str(isolate, ev.s2)};
rtc_call(it->second, 2, argv);
}
break;
}
case RtcEventType::LocalCandidate: {
auto it = g_cand_cbs.find(ev.id);
if (it != g_cand_cbs.end()) {
Local<Value> argv[2] = {rtc_str(isolate, ev.s1),
rtc_str(isolate, ev.s2)};
rtc_call(it->second, 2, argv);
}
break;
}
case RtcEventType::StateChange: {
auto it = g_state_cbs.find(ev.id);
if (it != g_state_cbs.end()) {
Local<Value> argv[1] = {Integer::New(isolate, ev.arg)};
rtc_call(it->second, 1, argv);
}
break;
}
case RtcEventType::GatheringState: {
auto it = g_gathering_cbs.find(ev.id);
if (it != g_gathering_cbs.end()) {
Local<Value> argv[1] = {Integer::New(isolate, ev.arg)};
rtc_call(it->second, 1, argv);
}
break;
}
case RtcEventType::DataChannel: {
rtc_track_dc(ev.id, ev.arg);
auto it = g_dc_cbs.find(ev.id);
if (it != g_dc_cbs.end()) {
Local<Value> argv[1] = {Integer::New(isolate, ev.arg)};
rtc_call(it->second, 1, argv);
}
break;
}
case RtcEventType::Open: {
auto it = g_open_cbs.find(ev.id);
if (it != g_open_cbs.end()) {
rtc_call(it->second, 0, nullptr);
}
break;
}
case RtcEventType::Closed: {
auto it = g_closed_cbs.find(ev.id);
if (it != g_closed_cbs.end()) {
rtc_call(it->second, 0, nullptr);
}
rtc_drop_cbs(ev.id);
rtc_forget_dc(ev.id);
break;
}
case RtcEventType::Error: {
auto it = g_error_cbs.find(ev.id);
if (it != g_error_cbs.end()) {
Local<Value> argv[1] = {rtc_str(isolate, ev.s1)};
rtc_call(it->second, 1, argv);
}
break;
}
case RtcEventType::Message: {
auto it = g_msg_cbs.find(ev.id);
if (it != g_msg_cbs.end()) {
Local<Value> arg;
if (ev.isString) {
arg = rtc_str(isolate, ev.s1);
} else {
// move the payload into the backing store (no copy)
auto *payload = new std::vector<char>(std::move(ev.data));
auto backing = ArrayBuffer::NewBackingStore(
payload->data(), payload->size(),
[](void *, size_t, void *deleter_data) {
delete static_cast<std::vector<char> *>(deleter_data);
},
payload);
arg = ArrayBuffer::New(isolate, std::move(backing));
}
Local<Value> argv[1] = {arg};
rtc_call(it->second, 1, argv);
}
break;
}
}
}
}
void runt_rtc_process_events_native() {
if (g_rtc_isolate == nullptr || g_rtc_context == nullptr) return;
Locker locker{g_rtc_isolate};
Isolate::Scope isolate_scope(g_rtc_isolate);
HandleScope handle_scope(g_rtc_isolate);
Local<Context> ctx = Local<Context>::New(g_rtc_isolate, *g_rtc_context);
Context::Scope context_scope(ctx);
rtc_drain_events();
}
void bind_rtc_bridge(Isolate *isolate, const Global<Context> &context) {
Locker locker{isolate};
Isolate::Scope isolate_scope(isolate);
HandleScope handle_scope(isolate);
Local<Context> current_context = Local<Context>::New(isolate, context);
Context::Scope context_scope(current_context);
Local<Object> global = current_context->Global();
g_rtc_isolate = isolate;
if (g_rtc_context == nullptr) {
g_rtc_context = new Global<Context>(isolate, context);
}
Local<Object> runt_obj;
Local<Value> existing_runt =
global->Get(current_context,
String::NewFromUtf8(isolate, "RunT").ToLocalChecked())
.ToLocalChecked();
if (existing_runt->IsObject()) {
runt_obj = existing_runt->ToObject(current_context).ToLocalChecked();
} else {
runt_obj = Object::New(isolate);
global->Set(current_context,
String::NewFromUtf8(isolate, "RunT").ToLocalChecked(),
runt_obj);
}
struct RtcBinding {
const char *global_name;
const char *runt_name;
FunctionCallback fn;
};
static const RtcBinding bindings[] = {
{"runt_rtc_init", "rtcInit", v8_runt_rtc_init},
{"runt_rtc_cleanup", "rtcCleanup", v8_runt_rtc_cleanup},
{"runt_rtc_create_peer_connection", "rtcCreatePeerConnection",
v8_runt_rtc_create_peer_connection},
{"runt_rtc_close_peer_connection", "rtcClosePeerConnection",
v8_runt_rtc_close_peer_connection},
{"runt_rtc_delete_peer_connection", "rtcDeletePeerConnection",
v8_runt_rtc_delete_peer_connection},
{"runt_rtc_set_local_description", "rtcSetLocalDescription",
v8_runt_rtc_set_local_description},
{"runt_rtc_set_remote_description", "rtcSetRemoteDescription",
v8_runt_rtc_set_remote_description},
{"runt_rtc_add_remote_candidate", "rtcAddRemoteCandidate",
v8_runt_rtc_add_remote_candidate},
{"runt_rtc_get_local_description", "rtcGetLocalDescription",
v8_runt_rtc_get_local_description},
{"runt_rtc_get_local_description_type", "rtcGetLocalDescriptionType",
v8_runt_rtc_get_local_description_type},
{"runt_rtc_create_data_channel", "rtcCreateDataChannel",
v8_runt_rtc_create_data_channel},
{"runt_rtc_delete_data_channel", "rtcDeleteDataChannel",
v8_runt_rtc_delete_data_channel},
{"runt_rtc_send_message", "rtcSendMessage", v8_runt_rtc_send_message},
{"runt_rtc_close", "rtcClose", v8_runt_rtc_close},
{"runt_rtc_delete", "rtcDelete", v8_runt_rtc_delete},
{"runt_rtc_is_open", "rtcIsOpen", v8_runt_rtc_is_open},
{"runt_rtc_get_buffered_amount", "rtcGetBufferedAmount",
v8_runt_rtc_get_buffered_amount},
{"runt_rtc_set_local_description_callback",
"rtcSetLocalDescriptionCallback",
v8_runt_rtc_set_local_description_callback},
{"runt_rtc_set_local_candidate_callback",
"rtcSetLocalCandidateCallback",
v8_runt_rtc_set_local_candidate_callback},
{"runt_rtc_set_state_change_callback", "rtcSetStateChangeCallback",
v8_runt_rtc_set_state_change_callback},
{"runt_rtc_set_gathering_state_callback", "rtcSetGatheringStateCallback",
v8_runt_rtc_set_gathering_state_callback},
{"runt_rtc_set_data_channel_callback", "rtcSetDataChannelCallback",
v8_runt_rtc_set_data_channel_callback},
{"runt_rtc_set_open_callback", "rtcSetOpenCallback",
v8_runt_rtc_set_open_callback},
{"runt_rtc_set_closed_callback", "rtcSetClosedCallback",
v8_runt_rtc_set_closed_callback},
{"runt_rtc_set_error_callback", "rtcSetErrorCallback",
v8_runt_rtc_set_error_callback},
{"runt_rtc_set_message_callback", "rtcSetMessageCallback",
v8_runt_rtc_set_message_callback},
{"runt_rtc_random_bytes", "rtcRandomBytes",
v8_runt_rtc_random_bytes},
};
for (const RtcBinding &b : bindings) {
Local<Function> fn =
Function::New(current_context, b.fn).ToLocalChecked();
global->Set(current_context,
String::NewFromUtf8(isolate, b.global_name).ToLocalChecked(),
fn);
runt_obj->Set(current_context,
String::NewFromUtf8(isolate, b.runt_name).ToLocalChecked(),
fn);
}
}

9
Sources/rtc_v8_bindings.h Normal file
View File

@ -0,0 +1,9 @@
#pragma once
#include <v8.h>
void bind_rtc_bridge(v8::Isolate *isolate, const v8::Global<v8::Context> &context);
void v8_runt_rtc_shutdown_all();
void runt_rtc_process_events_native();

232
Sources/socket_bridge.cpp
View File

@ -44,6 +44,7 @@ public:
bool isConnected;
bool isBound;
bool isListening;
bool connectInProgress;
std::string lastError;
#ifdef _WIN32
@ -58,7 +59,8 @@ public:
void* ssl_cred_handle_;
void* ssl_context_handle_;
bool ssl_context_initialized_;
std::vector<char> ssl_buffer_;
std::vector<char> ssl_buffer_;
std::vector<char> ssl_send_buffer_;
#else
SSL* ssl;
SSL_CTX* ssl_ctx;
@ -67,7 +69,7 @@ public:
#endif
RunTSocket(int socket_id) : id(socket_id), isBlocking(true), isConnected(false),
isBound(false), isListening(false) {
isBound(false), isListening(false), connectInProgress(false) {
#ifdef _WIN32
socket_fd = INVALID_SOCKET;
#else
@ -245,6 +247,14 @@ extern "C" int runt_socket_create() {
int no_sigpipe = 1;
setsockopt(socket->socket_fd, SOL_SOCKET, SO_NOSIGPIPE, (const char*)&no_sigpipe, sizeof(no_sigpipe));
#endif
#ifdef _WIN32
u_long mode = 1;
ioctlsocket(socket->socket_fd, FIONBIO, &mode);
#else
int flags = fcntl(socket->socket_fd, F_GETFL, 0);
fcntl(socket->socket_fd, F_SETFL, flags | O_NONBLOCK);
#endif
socket->isBlocking = false;
g_sockets[socket_id] = std::move(socket);
#ifdef DEBUG_NETWORK
@ -399,6 +409,20 @@ extern "C" bool runt_socket_connect(int socket_id, const char* hostname, int por
connected = true;
break;
}
#ifdef _WIN32
int err = WSAGetLastError();
if (err == WSAEWOULDBLOCK || err == WSAEINPROGRESS) {
connected = true;
socket->connectInProgress = true;
break;
}
#else
if (errno == EINPROGRESS || errno == EWOULDBLOCK) {
connected = true;
socket->connectInProgress = true;
break;
}
#endif
}
freeaddrinfo(result);
@ -413,7 +437,7 @@ extern "C" bool runt_socket_connect(int socket_id, const char* hostname, int por
return false;
}
socket->isConnected = true;
socket->isConnected = !socket->connectInProgress;
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "Connected successfully to %s:%d", hostname, port);
#endif
@ -447,7 +471,8 @@ extern "C" int runt_socket_send(int socket_id, const char* data, int length) {
}
int total_size = stream_sizes.cbHeader + length + stream_sizes.cbTrailer;
char* encrypt_buffer = new char[total_size];
socket->ssl_send_buffer_.resize(total_size);
char* encrypt_buffer = socket->ssl_send_buffer_.data();
SecBufferDesc message_desc;
SecBuffer message_buffers[4];
@ -479,15 +504,12 @@ extern "C" int runt_socket_send(int socket_id, const char* data, int length) {
if (status != SEC_E_OK) {
kinc_log(KINC_LOG_LEVEL_ERROR, "SChannel encrypt failed: 0x%x", status);
delete[] encrypt_buffer;
return -1;
}
int total_encrypted = message_buffers[0].cbBuffer + message_buffers[1].cbBuffer + message_buffers[2].cbBuffer;
int sent = send(socket->socket_fd, encrypt_buffer, total_encrypted, 0);
delete[] encrypt_buffer;
if (sent != total_encrypted) {
kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to send encrypted SSL data");
return -1;
@ -644,11 +666,13 @@ extern "C" int runt_socket_recv(int socket_id, int max_length, char** out_data)
int received = recv(socket->socket_fd, recv_buffer, sizeof(recv_buffer), 0);
if (received <= 0) {
delete[] buffer;
if (received < 0 && WSAGetLastError() == WSAEWOULDBLOCK) return 0;
if (received == 0) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "SSL connection closed by server");
#endif
return 0;
socket->isConnected = false;
return -2;
} else {
kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to receive encrypted data for SSL read");
return -1;
@ -669,11 +693,13 @@ extern "C" int runt_socket_recv(int socket_id, int max_length, char** out_data)
int received = recv(socket->socket_fd, recv_buffer, sizeof(recv_buffer), 0);
if (received <= 0) {
delete[] buffer;
if (received < 0 && WSAGetLastError() == WSAEWOULDBLOCK) return 0;
if (received == 0) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "SSL connection closed by server (no buffered data)");
#endif
return 0;
socket->isConnected = false;
return -2;
} else {
kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to receive encrypted data");
return -1;
@ -691,6 +717,10 @@ extern "C" int runt_socket_recv(int socket_id, int max_length, char** out_data)
if (ssl_error == SSL_ERROR_WANT_READ || ssl_error == SSL_ERROR_WANT_WRITE) {
return 0;
}
if (ssl_error == SSL_ERROR_ZERO_RETURN) {
socket->isConnected = false;
return -2;
}
kinc_log(KINC_LOG_LEVEL_ERROR, "SSL_read failed: %d", ssl_error);
return -1;
}
@ -755,6 +785,143 @@ extern "C" int runt_socket_recv(int socket_id, int max_length, char** out_data)
return received;
}
extern "C" int runt_udp_create() {
if (!initialize_networking()) {
kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to initialize networking");
return -1;
}
int socket_id = g_next_socket_id++;
auto socket = std::make_unique<RunTSocket>(socket_id);
#ifdef _WIN32
socket->socket_fd = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (socket->socket_fd == INVALID_SOCKET) {
kinc_log(KINC_LOG_LEVEL_ERROR, "UDP socket creation failed: %d",
WSAGetLastError());
return -1;
}
#else
socket->socket_fd = ::socket(AF_INET, SOCK_DGRAM, 0);
if (socket->socket_fd < 0) {
kinc_log(KINC_LOG_LEVEL_ERROR, "UDP socket creation failed: %s",
strerror(errno));
return -1;
}
#endif
int reuse = 1;
setsockopt(socket->socket_fd, SOL_SOCKET, SO_REUSEADDR,
(const char*)&reuse, sizeof(reuse));
int sndbuf = 256 * 1024;
int rcvbuf = 256 * 1024;
setsockopt(socket->socket_fd, SOL_SOCKET, SO_SNDBUF,
(const char*)&sndbuf, sizeof(sndbuf));
setsockopt(socket->socket_fd, SOL_SOCKET, SO_RCVBUF,
(const char*)&rcvbuf, sizeof(rcvbuf));
#ifdef _WIN32
u_long mode = 1;
ioctlsocket(socket->socket_fd, FIONBIO, &mode);
#else
int flags = fcntl(socket->socket_fd, F_GETFL, 0);
fcntl(socket->socket_fd, F_SETFL, flags | O_NONBLOCK);
#endif
socket->isBlocking = false;
g_sockets[socket_id] = std::move(socket);
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "UDP socket created: ID %d", socket_id);
#endif
return socket_id;
}
extern "C" bool runt_udp_bind(int socket_id, const char* address,
int port) {
return runt_socket_bind(socket_id, address, port);
}
extern "C" int runt_udp_sendto(int socket_id, const char* host, int port,
const char* data, int length) {
auto it = g_sockets.find(socket_id);
if (it == g_sockets.end()) return -1;
auto& socket = it->second;
if (!socket->isValid()) return -1;
sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
if (inet_pton(AF_INET, host, &addr.sin_addr) <= 0) {
struct addrinfo hints, *result;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
if (getaddrinfo(host, nullptr, &hints, &result) != 0) {
kinc_log(KINC_LOG_LEVEL_ERROR,
"UDP resolve failed: %s", host);
return -1;
}
addr.sin_addr = ((sockaddr_in*)result->ai_addr)->sin_addr;
freeaddrinfo(result);
}
#ifdef _WIN32
int sent = sendto(socket->socket_fd, data, length, 0,
(sockaddr*)&addr, sizeof(addr));
if (sent < 0) {
int error = WSAGetLastError();
if (error == WSAEWOULDBLOCK) return 0;
kinc_log(KINC_LOG_LEVEL_ERROR, "UDP sendto failed: %d", error);
return -1;
}
#else
int sent = sendto(socket->socket_fd, data, length, MSG_NOSIGNAL,
(sockaddr*)&addr, sizeof(addr));
if (sent < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK) return 0;
kinc_log(KINC_LOG_LEVEL_ERROR, "UDP sendto failed: %s",
strerror(errno));
return -1;
}
#endif
return sent;
}
extern "C" int runt_udp_recvfrom(int socket_id, int max_length,
char** out_data, char* out_host, int out_host_len,
int* out_port) {
auto it = g_sockets.find(socket_id);
if (it == g_sockets.end()) return -1;
auto& socket = it->second;
if (!socket->isValid()) return -1;
char* buffer = new char[max_length];
sockaddr_in from;
socklen_t fromlen = sizeof(from);
int received = recvfrom(socket->socket_fd, buffer, max_length, 0,
(sockaddr*)&from, &fromlen);
if (received < 0) {
delete[] buffer;
#ifdef _WIN32
if (WSAGetLastError() == WSAEWOULDBLOCK) return 0;
#else
if (errno == EAGAIN || errno == EWOULDBLOCK) return 0;
#endif
return -1;
}
inet_ntop(AF_INET, &from.sin_addr, out_host, out_host_len);
*out_port = ntohs(from.sin_port);
*out_data = buffer;
return received;
}
extern "C" void runt_socket_close(int socket_id) {
auto it = g_sockets.find(socket_id);
if (it == g_sockets.end()) return;
@ -767,11 +934,45 @@ extern "C" void runt_socket_close(int socket_id) {
}
extern "C" bool runt_socket_is_connected(int socket_id) {
auto it = g_sockets.find(socket_id);
if (it == g_sockets.end()) return false;
auto& socket = it->second;
return socket->isValid() && socket->isConnected;
auto it = g_sockets.find(socket_id);
if (it == g_sockets.end()) return false;
auto& socket = it->second;
if (!socket->isValid()) return false;
if (socket->isConnected) return true;
if (!socket->connectInProgress) return false;
fd_set wfds, efds;
FD_ZERO(&wfds);
FD_ZERO(&efds);
FD_SET(socket->socket_fd, &wfds);
FD_SET(socket->socket_fd, &efds);
struct timeval tv = {0, 0};
int sel;
#ifdef _WIN32
sel = ::select(0, nullptr, &wfds, &efds, &tv);
#else
sel = ::select(socket->socket_fd + 1, nullptr, &wfds, &efds, &tv);
#endif
if (sel <= 0 || (!FD_ISSET(socket->socket_fd, &wfds) &&
!FD_ISSET(socket->socket_fd, &efds))) {
return false;
}
int err = 0;
socklen_t errlen = sizeof(err);
if (getsockopt(socket->socket_fd, SOL_SOCKET, SO_ERROR, (char*)&err, &errlen) != 0) {
socket->connectInProgress = false;
return false;
}
socket->connectInProgress = false;
if (err == 0) {
socket->isConnected = true;
return true;
}
return false;
}
extern "C" void runt_socket_set_blocking(int socket_id, bool blocking) {
@ -925,7 +1126,10 @@ extern "C" bool runt_socket_enable_ssl(int socket_id) {
SSL_set_fd(socket->ssl, socket->socket_fd);
int flags = fcntl(socket->socket_fd, F_GETFL, 0);
fcntl(socket->socket_fd, F_SETFL, flags & ~O_NONBLOCK);
int ret = SSL_connect(socket->ssl);
fcntl(socket->socket_fd, F_SETFL, flags);
if (ret <= 0) {
int ssl_error = SSL_get_error(socket->ssl, ret);
kinc_log(KINC_LOG_LEVEL_ERROR, "SSL_connect failed: %d", ssl_error);

7
Sources/socket_bridge.h
View File

@ -15,6 +15,13 @@ int runt_socket_accept(int socket_id);
bool runt_socket_connect(int socket_id, const char* hostname, int port);
int runt_socket_send(int socket_id, const char* data, int length);
int runt_socket_recv(int socket_id, int max_length, char** out_data);
int runt_udp_create();
bool runt_udp_bind(int socket_id, const char* address, int port);
int runt_udp_sendto(int socket_id, const char* host, int port,
const char* data, int length);
int runt_udp_recvfrom(int socket_id, int max_length, char** out_data,
char* out_host, int out_host_len, int* out_port);
#ifdef WITH_SSL
bool runt_socket_enable_ssl(int socket_id);
#endif

147
Sources/socket_v8_bindings.cpp
View File

@ -235,6 +235,141 @@ void v8_runt_socket_is_connected(const FunctionCallbackInfo<Value>& args) {
args.GetReturnValue().Set(Boolean::New(isolate, connected));
}
void v8_runt_udp_create(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
int socket_id = runt_udp_create();
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "[V8] runt_udp_create returned: %d",
socket_id);
#endif
args.GetReturnValue().Set(Integer::New(isolate, socket_id));
}
void v8_runt_udp_bind(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
if (args.Length() < 3 || !args[0]->IsInt32() || !args[1]->IsString()
|| !args[2]->IsInt32()) {
isolate->ThrowException(Exception::TypeError(
String::NewFromUtf8(isolate, "Wrong arguments")
.ToLocalChecked()));
return;
}
int socket_id = args[0]->Int32Value(isolate->GetCurrentContext())
.FromJust();
String::Utf8Value address(isolate, args[1]);
int port = args[2]->Int32Value(isolate->GetCurrentContext())
.FromJust();
bool result = runt_udp_bind(socket_id, *address, port);
args.GetReturnValue().Set(Boolean::New(isolate, result));
}
void v8_runt_udp_sendto(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
if (args.Length() < 4 || !args[0]->IsInt32() || !args[1]->IsString()
|| !args[2]->IsInt32()) {
isolate->ThrowException(Exception::TypeError(
String::NewFromUtf8(isolate, "Wrong arguments")
.ToLocalChecked()));
return;
}
int socket_id = args[0]->Int32Value(isolate->GetCurrentContext())
.FromJust();
String::Utf8Value host(isolate, args[1]);
int port = args[2]->Int32Value(isolate->GetCurrentContext())
.FromJust();
int sent = -1;
if (args[3]->IsArrayBuffer()) {
Local<ArrayBuffer> buffer = Local<ArrayBuffer>::Cast(args[3]);
std::shared_ptr<BackingStore> backing =
buffer->GetBackingStore();
sent = runt_udp_sendto(socket_id, *host, port,
static_cast<const char*>(backing->Data()),
static_cast<int>(backing->ByteLength()));
} else if (args[3]->IsArrayBufferView()) {
Local<ArrayBufferView> view =
Local<ArrayBufferView>::Cast(args[3]);
Local<ArrayBuffer> buffer = view->Buffer();
std::shared_ptr<BackingStore> backing =
buffer->GetBackingStore();
const char* data =
static_cast<const char*>(backing->Data())
+ view->ByteOffset();
sent = runt_udp_sendto(socket_id, *host, port, data,
static_cast<int>(view->ByteLength()));
} else if (args[3]->IsString()) {
String::Utf8Value str_data(isolate, args[3]);
if (*str_data == nullptr) {
args.GetReturnValue().Set(Integer::New(isolate, -1));
return;
}
sent = runt_udp_sendto(socket_id, *host, port, *str_data,
str_data.length());
} else {
isolate->ThrowException(Exception::TypeError(
String::NewFromUtf8(isolate,
"Data must be string, ArrayBuffer, or TypedArray")
.ToLocalChecked()));
return;
}
args.GetReturnValue().Set(Integer::New(isolate, sent));
}
void v8_runt_udp_recvfrom(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Context> context = isolate->GetCurrentContext();
if (args.Length() < 2 || !args[0]->IsInt32() || !args[1]->IsInt32()) {
isolate->ThrowException(Exception::TypeError(
String::NewFromUtf8(isolate, "Wrong arguments")
.ToLocalChecked()));
return;
}
int socket_id = args[0]->Int32Value(context).FromJust();
int max_length = args[1]->Int32Value(context).FromJust();
char* data = nullptr;
char host[64] = {0};
int port = 0;
int received = runt_udp_recvfrom(socket_id, max_length, &data,
host, sizeof(host), &port);
if (received > 0 && data) {
std::unique_ptr<BackingStore> backing =
ArrayBuffer::NewBackingStore(data, received,
[](void* data, size_t length, void* deleter_data) {
delete[] static_cast<char*>(data);
}, nullptr);
Local<ArrayBuffer> buffer =
ArrayBuffer::New(isolate, std::move(backing));
Local<Object> obj = Object::New(isolate);
obj->Set(context,
String::NewFromUtf8(isolate, "data").ToLocalChecked(),
buffer);
obj->Set(context,
String::NewFromUtf8(isolate, "host").ToLocalChecked(),
String::NewFromUtf8(isolate, host).ToLocalChecked());
obj->Set(context,
String::NewFromUtf8(isolate, "port").ToLocalChecked(),
Integer::New(isolate, port));
args.GetReturnValue().Set(obj);
} else if (received < 0) {
args.GetReturnValue().Set(Integer::New(isolate, -1));
} else {
args.GetReturnValue().Set(Null(isolate));
}
}
#ifdef WITH_SSL
void v8_runt_socket_enable_ssl(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
@ -302,6 +437,18 @@ void bind_socket_bridge(Isolate* isolate, const v8::Global<v8::Context>& context
global->Set(current_context, String::NewFromUtf8(isolate, "runt_socket_is_connected").ToLocalChecked(),
Function::New(current_context, v8_runt_socket_is_connected).ToLocalChecked());
global->Set(current_context, String::NewFromUtf8(isolate, "runt_udp_create").ToLocalChecked(),
Function::New(current_context, v8_runt_udp_create).ToLocalChecked());
global->Set(current_context, String::NewFromUtf8(isolate, "runt_udp_bind").ToLocalChecked(),
Function::New(current_context, v8_runt_udp_bind).ToLocalChecked());
global->Set(current_context, String::NewFromUtf8(isolate, "runt_udp_sendto").ToLocalChecked(),
Function::New(current_context, v8_runt_udp_sendto).ToLocalChecked());
global->Set(current_context, String::NewFromUtf8(isolate, "runt_udp_recvfrom").ToLocalChecked(),
Function::New(current_context, v8_runt_udp_recvfrom).ToLocalChecked());
#ifdef WITH_SSL
global->Set(current_context, String::NewFromUtf8(isolate, "runt_socket_enable_ssl").ToLocalChecked(),
Function::New(current_context, v8_runt_socket_enable_ssl).ToLocalChecked());

4
Sources/socket_v8_bindings.h
View File

@ -15,6 +15,10 @@ void v8_runt_socket_close(const v8::FunctionCallbackInfo<v8::Value>& args);
void v8_runt_socket_set_blocking(const v8::FunctionCallbackInfo<v8::Value>& args);
void v8_runt_socket_select(const v8::FunctionCallbackInfo<v8::Value>& args);
void v8_runt_socket_is_connected(const v8::FunctionCallbackInfo<v8::Value>& args);
void v8_runt_udp_create(const v8::FunctionCallbackInfo<v8::Value>& args);
void v8_runt_udp_bind(const v8::FunctionCallbackInfo<v8::Value>& args);
void v8_runt_udp_sendto(const v8::FunctionCallbackInfo<v8::Value>& args);
void v8_runt_udp_recvfrom(const v8::FunctionCallbackInfo<v8::Value>& args);
#ifdef WITH_SSL
void v8_runt_socket_enable_ssl(const v8::FunctionCallbackInfo<v8::Value>& args);
#endif

493
Sources/websocket.cpp
View File

@ -101,11 +101,19 @@ namespace WebSocketWrapper {
void processEvents() {
try {
std::vector<int> closed_ids;
for (auto& [id, client] : active_websockets) {
if (client) {
client->processEvents();
if (client->getReadyState() == CLOSED
&& !client->hasPendingEvents()) {
closed_ids.push_back(id);
}
}
}
for (int id : closed_ids) {
active_websockets.erase(id);
}
} catch (...) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: CRASH in global processEvents");
@ -120,137 +128,9 @@ namespace WebSocketWrapper {
return id;
}
class SimpleWebSocketClient {
private:
SOCKET socket_;
std::thread* thread_;
std::atomic<bool> connected_{false};
std::atomic<bool> should_stop_{false};
std::string host_;
int port_;
std::string path_;
public:
SimpleWebSocketClient(const std::string& url) : socket_(INVALID_SOCKET), thread_(nullptr) {
parseUrl(url);
}
~SimpleWebSocketClient() {
disconnect();
}
bool connect() {
socket_ = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (socket_ == INVALID_SOCKET) {
return false;
}
SocketOptimization::optimizeWebSocket(static_cast<int>(socket_));
sockaddr_in addr{};
addr.sin_family = AF_INET;
addr.sin_port = htons(port_);
inet_pton(AF_INET, host_.c_str(), &addr.sin_addr);
if (::connect(socket_, (sockaddr*)&addr, sizeof(addr)) == SOCKET_ERROR) {
closesocket(socket_);
socket_ = INVALID_SOCKET;
return false;
}
std::string handshake =
"GET " + path_ + " HTTP/1.1\r\n"
"Host: " + host_ + ":" + std::to_string(port_) + "\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
"Sec-WebSocket-Version: 13\r\n\r\n";
if (send(socket_, handshake.c_str(), static_cast<int>(handshake.length()), 0) == SOCKET_ERROR) {
closesocket(socket_);
socket_ = INVALID_SOCKET;
return false;
}
char buffer[SocketOptimization::SMALL_BUFFER_SIZE];
int bytes = recv(socket_, buffer, sizeof(buffer) - 1, 0);
if (bytes > 0) {
buffer[bytes] = '\0';
if (strstr(buffer, "101 Switching Protocols")) {
connected_ = true;
return true;
}
}
closesocket(socket_);
socket_ = INVALID_SOCKET;
return false;
}
void disconnect() {
should_stop_ = true;
if (socket_ != INVALID_SOCKET) {
closesocket(socket_);
socket_ = INVALID_SOCKET;
}
if (thread_ && thread_->joinable()) {
thread_->join();
delete thread_;
thread_ = nullptr;
}
connected_ = false;
}
bool isConnected() const {
return connected_;
}
void sendText(const std::string& data) {
if (!connected_ || socket_ == INVALID_SOCKET) return;
// text frame format FIN + text frame
std::vector<uint8_t> frame;
frame.push_back(0x81);
if (data.length() < 126) {
frame.push_back(0x80 | static_cast<uint8_t>(data.length())); // MASK + length
} else {
// TODO: support longer messages
return;
}
// adds simplified masking key
uint8_t mask[4] = {0x12, 0x34, 0x56, 0x78};
frame.insert(frame.end(), mask, mask + 4);
// adds the masked payload
for (size_t i = 0; i < data.length(); i++) {
frame.push_back(data[i] ^ mask[i % 4]);
}
send(socket_, (char*)frame.data(), static_cast<int>(frame.size()), 0);
}
private:
void parseUrl(const std::string& url) {
std::regex url_regex(R"(^wss?://([^:/]+)(?::(\d+))?(/.*)?$)");
std::smatch matches;
if (std::regex_match(url, matches, url_regex)) {
host_ = matches[1].str();
port_ = matches[2].matched ? std::stoi(matches[2].str()) : 80;
path_ = matches[3].matched ? matches[3].str() : "/";
} else {
host_ = "localhost";
port_ = 80;
path_ = "/";
}
}
};
WebSocketClient::WebSocketClient(Isolate* isolate, Global<Context>* global_context, const std::string& url)
: isolate_(isolate), global_context_(global_context), url_(url), ready_state_(CONNECTING),
is_ssl_(false), buffered_amount_(0), ws_(nullptr), ssl_ws_(nullptr)
is_ssl_(false), buffered_amount_(0), ws_(-1)
#ifdef WITH_SSL
#ifdef _WIN32
, ssl_cred_handle_(nullptr), ssl_context_handle_(nullptr), ssl_context_initialized_(false), ssl_socket_(-1)
@ -278,21 +158,35 @@ namespace WebSocketWrapper {
ready_state_ = CONNECTING;
// start connection using thread pool
GlobalThreadPool::getInstance().enqueue([this, host, port, path]() {
connect_future_ = GlobalThreadPool::getInstance().enqueue([this, host, port, path]() {
try {
if (ready_state_ == CLOSED) {
return;
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket connecting to %s:%d%s (SSL: %s)",
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket connecting to %s:%d%s (SSL: %s)",
host.c_str(), port, path.c_str(), is_ssl_ ? "yes" : "no");
#endif
if (connectToServer(host, port, path)) {
ready_state_ = OPEN;
handleOpen();
messageLoop();
if (ready_state_ == OPEN) {
messageLoop();
} else {
if (is_ssl_) {
cleanupWebSocketSSL();
}
if (ws_ >= 0) {
#ifdef _WIN32
closesocket((SOCKET)ws_);
#else
::close(ws_);
#endif
ws_ = -1;
}
}
} else {
ready_state_ = CLOSED;
handleError("Connection failed");
ready_state_ = CLOSED;
}
} catch (...) {
ready_state_ = CLOSED;
@ -304,9 +198,39 @@ namespace WebSocketWrapper {
if (ready_state_ == OPEN) {
close();
}
ready_state_ = CLOSED;
if (ws_ >= 0) {
#ifdef _WIN32
::shutdown((SOCKET)ws_, SD_BOTH);
#else
::shutdown(ws_, SHUT_RDWR);
#endif
}
if (connect_future_.valid()) {
connect_future_.wait();
}
if (ws_ >= 0) {
#ifdef _WIN32
closesocket((SOCKET)ws_);
#else
::close(ws_);
#endif
ws_ = -1;
}
#ifdef WITH_SSL
cleanupWSL();
#endif
if (isolate_ != nullptr) {
v8::Locker locker{isolate_};
v8::Isolate::Scope isolate_scope(isolate_);
v8::HandleScope handle_scope(isolate_);
on_open_.Reset();
on_message_.Reset();
on_error_.Reset();
on_close_.Reset();
}
WebSocketEvent ev;
while (event_queue_.try_pop(ev)) {}
}
bool WebSocketClient::parseUrl(const std::string& url, std::string& host, int& port, std::string& path) {
@ -338,7 +262,7 @@ namespace WebSocketWrapper {
return;
}
if (ws_ == nullptr) {
if (ws_ < 0) {
handleError("WebSocket: No socket available for sending");
return;
}
@ -353,7 +277,7 @@ namespace WebSocketWrapper {
// create and send WebSocket frame
std::vector<uint8_t> frame = createWebSocketFrame(data);
int sock = static_cast<int>(reinterpret_cast<intptr_t>(ws_));
int sock = ws_;
int sendResult;
if (is_ssl_ && isSSLReady()) {
@ -388,7 +312,7 @@ namespace WebSocketWrapper {
return;
}
if (ws_ == nullptr) {
if (ws_ < 0) {
handleError("WebSocket: No socket available for sending");
return;
}
@ -403,7 +327,7 @@ namespace WebSocketWrapper {
// binary frame with opcode 0x02
std::vector<uint8_t> frame = createWebSocketBinaryFrame(data);
int sock = static_cast<int>(reinterpret_cast<intptr_t>(ws_));
int sock = ws_;
int sendResult;
if (is_ssl_ && isSSLReady()) {
@ -434,8 +358,17 @@ namespace WebSocketWrapper {
return;
}
if (ready_state_ == OPEN && ws_ >= 0) {
std::vector<uint8_t> frame = createCloseFrame(code, reason);
if (is_ssl_ && isSSLReady()) {
webSocketSSLSend(frame.data(), static_cast<int>(frame.size()));
} else {
int sock = ws_;
::send(sock, reinterpret_cast<const char*>(frame.data()), static_cast<int>(frame.size()), 0);
}
}
ready_state_ = CLOSING;
ready_state_ = CLOSED;
handleClose(code, reason);
}
@ -457,16 +390,6 @@ namespace WebSocketWrapper {
on_close_.Reset(isolate_, callback);
}
// event handlers called from worker thread that queue events safely
void WebSocketClient::handleOpen() {
event_queue_.push(WebSocketEvent(EVENT_OPEN));
}
void WebSocketClient::handleMessage(const std::string& message) {
// push directly to lock free queue
event_queue_.push(WebSocketEvent(EVENT_MESSAGE, message));
}
void WebSocketClient::handleError(const std::string& error) {
try {
#ifdef DEBUG_NETWORK
@ -479,8 +402,8 @@ namespace WebSocketWrapper {
}
void WebSocketClient::handleClose(int code, const std::string& reason) {
ready_state_ = CLOSED;
event_queue_.push(WebSocketEvent(EVENT_CLOSE, code, reason));
ready_state_ = CLOSED;
}
// process events on main thread with lock free queue and batching
@ -928,6 +851,8 @@ namespace WebSocketWrapper {
#endif
return false;
}
ws_ = sock;
sockaddr_in addr{};
addr.sin_family = AF_INET;
@ -945,6 +870,7 @@ namespace WebSocketWrapper {
#else
close(sock);
#endif
ws_ = -1;
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to resolve host %s", host.c_str());
#endif
@ -961,6 +887,7 @@ namespace WebSocketWrapper {
#else
close(sock);
#endif
ws_ = -1;
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to connect to %s:%d", host.c_str(), port);
#endif
@ -971,7 +898,7 @@ namespace WebSocketWrapper {
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: TCP connected to %s:%d", host.c_str(), port);
#endif
ws_ = reinterpret_cast<void*>(static_cast<intptr_t>(sock));
ws_ = sock;
if (is_ssl_ && port == 443) {
if (!initializeWebSocketSSL(sock, host)) {
@ -980,7 +907,7 @@ namespace WebSocketWrapper {
#else
close(sock);
#endif
ws_ = nullptr;
ws_ = -1;
return false;
}
#ifdef DEBUG_NETWORK
@ -995,7 +922,7 @@ namespace WebSocketWrapper {
#else
close(sock);
#endif
ws_ = nullptr;
ws_ = -1;
return false;
}
@ -1003,9 +930,11 @@ namespace WebSocketWrapper {
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Handshake completed successfully");
#endif
ready_state_ = OPEN;
fireOpenEvent();
if (ready_state_ == CONNECTING) {
ready_state_ = OPEN;
fireOpenEvent();
}
return true;
} catch (const std::exception& e) {
@ -1060,23 +989,35 @@ namespace WebSocketWrapper {
}
char buffer[SocketOptimization::SMALL_BUFFER_SIZE];
int bytesReceived;
if (is_ssl_ && isSSLReady()) {
bytesReceived = webSocketSSLReceive(buffer, sizeof(buffer) - 1);
} else {
bytesReceived = recv(sock, buffer, sizeof(buffer) - 1, 0);
std::string response;
for (int attempt = 0; attempt < 64
&& response.find("\r\n\r\n") == std::string::npos; ++attempt) {
int bytesReceived;
if (is_ssl_ && isSSLReady()) {
bytesReceived = webSocketSSLReceive(buffer, sizeof(buffer) - 1);
if (bytesReceived == 0) {
continue;
}
} else {
bytesReceived = recv(sock, buffer, sizeof(buffer) - 1, 0);
}
if (bytesReceived <= 0) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to receive handshake response");
#endif
return false;
}
response.append(buffer, bytesReceived);
}
if (bytesReceived <= 0) {
if (response.find("\r\n\r\n") == std::string::npos) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to receive handshake response");
kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Handshake response never completed");
#endif
return false;
}
buffer[bytesReceived] = '\0';
std::string response(buffer);
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Received handshake response");
#endif
@ -1155,8 +1096,8 @@ namespace WebSocketWrapper {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Connection closed: %d - %s", code, reason.c_str());
#endif
ready_state_ = CLOSED;
event_queue_.push(WebSocketEvent(EVENT_CLOSE, code, reason));
ready_state_ = CLOSED;
}
// complete frame helper for ring buffer messageLoop
@ -1186,14 +1127,23 @@ namespace WebSocketWrapper {
close_reason = std::string(payload.begin() + 2, payload.end());
}
}
fireCloseEvent(close_code, close_reason);
if (ready_state_ == OPEN) {
std::vector<uint8_t> echoFrame = createCloseFrame(close_code, "");
if (is_ssl_ && isSSLReady()) {
webSocketSSLSend(echoFrame.data(), static_cast<int>(echoFrame.size()));
} else {
int sock = ws_;
::send(sock, reinterpret_cast<const char*>(echoFrame.data()), static_cast<int>(echoFrame.size()), 0);
}
fireCloseEvent(close_code, close_reason);
}
}
break;
case 0x9: // ping frame
{
std::vector<uint8_t> pongFrame = createPongFrame(payload);
int sock = static_cast<int>(reinterpret_cast<intptr_t>(ws_));
int sock = ws_;
if (is_ssl_ && isSSLReady()) {
webSocketSSLSend(pongFrame.data(), static_cast<int>(pongFrame.size()));
} else {
@ -1213,14 +1163,14 @@ namespace WebSocketWrapper {
// following uWebSockets
void WebSocketClient::messageLoop() {
if (ws_ == nullptr) {
if (ws_ < 0) {
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: No socket available for message loop");
#endif
return;
}
int sock = static_cast<int>(reinterpret_cast<intptr_t>(ws_));
int sock = ws_;
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Starting message loop");
#endif
@ -1271,8 +1221,11 @@ namespace WebSocketWrapper {
} else {
bytesReceived = recv(sock, reinterpret_cast<char*>(writePtr), static_cast<int>(contiguousSpace), 0);
}
if (bytesReceived <= 0) {
if (bytesReceived == 0 && is_ssl_ && isSSLReady()) {
continue;
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Connection closed by server");
#endif
@ -1357,6 +1310,10 @@ namespace WebSocketWrapper {
}
}
if (ready_state_ == OPEN) {
fireCloseEvent(1006, "");
}
#ifdef DEBUG_NETWORK
kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Message loop completed");
#endif
@ -1464,7 +1421,7 @@ namespace WebSocketWrapper {
case 0x9:
{
std::vector<uint8_t> pongFrame = createPongFrame(payload);
int sock = static_cast<int>(reinterpret_cast<intptr_t>(ws_));
int sock = ws_;
int sendResult;
if (is_ssl_ && isSSLReady()) {
@ -1964,7 +1921,7 @@ namespace WebSocketWrapper {
}
}
if (status == SEC_I_CONTINUE_NEEDED && outbuffers[0].cbBuffer > 0 && outbuffers[0].pvBuffer != nullptr) {
if ((status == SEC_I_CONTINUE_NEEDED || status == SEC_E_OK) && outbuffers[0].cbBuffer > 0 && outbuffers[0].pvBuffer != nullptr) {
// validate buffer before sending
if (outbuffers[0].cbBuffer < 0 || outbuffers[0].cbBuffer > 65536) {
kinc_log(KINC_LOG_LEVEL_ERROR, "Invalid WebSocket SSL handshake buffer size: %d bytes (corrupted data)", outbuffers[0].cbBuffer);
@ -2024,6 +1981,10 @@ namespace WebSocketWrapper {
}
if (status == SEC_E_OK) {
if (!handshake_buffer.empty()) {
ssl_buffer_.insert(ssl_buffer_.end(), handshake_buffer.begin(),
handshake_buffer.end());
}
ssl_context_initialized_ = true;
kinc_log(KINC_LOG_LEVEL_INFO, "SChannel WebSocket SSL handshake completed successfully");
return true;
@ -2649,6 +2610,160 @@ void runt_websocket_set_onclose(const FunctionCallbackInfo<Value>& args) {
}
// Native WebSocket class implementation for V8
static void dispatchWebSocketEvent(const FunctionCallbackInfo<Value>& args, const char* type, const char* handler) {
Isolate* isolate = args.GetIsolate();
HandleScope scope(isolate);
Local<Context> context = isolate->GetCurrentContext();
Local<Object> self = args.Data().As<Object>();
Local<Object> event;
if (args.Length() > 0 && args[0]->IsObject()) {
event = args[0].As<Object>();
} else {
event = Object::New(isolate);
}
event->Set(context, String::NewFromUtf8(isolate, "type").ToLocalChecked(), String::NewFromUtf8(isolate, type).ToLocalChecked());
event->Set(context, String::NewFromUtf8(isolate, "target").ToLocalChecked(), self);
event->Set(context, String::NewFromUtf8(isolate, "currentTarget").ToLocalChecked(), self);
Local<Value> argv[1] = { event };
Local<Value> fn = self->Get(context, String::NewFromUtf8(isolate, handler).ToLocalChecked()).ToLocalChecked();
if (fn->IsFunction()) {
TryCatch try_catch(isolate);
fn.As<Function>()->Call(context, self, 1, argv);
if (try_catch.HasCaught()) {
String::Utf8Value err(isolate, try_catch.Exception());
kinc_log(KINC_LOG_LEVEL_WARNING, "WebSocket %s handler threw: %s", type,
*err != nullptr ? *err : "unknown");
}
}
Local<Value> listenersVal = self->Get(context, String::NewFromUtf8(isolate, "_listeners").ToLocalChecked()).ToLocalChecked();
if (listenersVal->IsObject()) {
Local<Value> arr = listenersVal.As<Object>()->Get(context, String::NewFromUtf8(isolate, type).ToLocalChecked()).ToLocalChecked();
if (arr->IsArray()) {
Local<Array> listeners = arr.As<Array>();
uint32_t length = listeners->Length();
std::vector<Local<Function>> snapshot;
snapshot.reserve(length);
for (uint32_t i = 0; i < length; ++i) {
Local<Value> listener = listeners->Get(context, i).ToLocalChecked();
if (listener->IsFunction()) {
snapshot.push_back(listener.As<Function>());
}
}
for (Local<Function>& listener : snapshot) {
TryCatch try_catch(isolate);
listener->Call(context, self, 1, argv);
if (try_catch.HasCaught()) {
String::Utf8Value err(isolate, try_catch.Exception());
kinc_log(KINC_LOG_LEVEL_WARNING, "WebSocket %s listener threw: %s", type,
*err != nullptr ? *err : "unknown");
}
}
}
}
}
static void WebSocketDispatchOpen(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
HandleScope scope(isolate);
Local<Context> context = isolate->GetCurrentContext();
Local<Object> self = args.Data().As<Object>();
Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
if (idVal->IsNumber()) {
int wsId = idVal->Int32Value(context).FromJust();
auto it = WebSocketWrapper::active_websockets.find(wsId);
if (it != WebSocketWrapper::active_websockets.end()) {
self->Set(context, String::NewFromUtf8(isolate, "protocol").ToLocalChecked(),
String::NewFromUtf8(isolate, it->second->getProtocol().c_str()).ToLocalChecked());
}
}
dispatchWebSocketEvent(args, "open", "onopen");
}
static void WebSocketDispatchMessage(const FunctionCallbackInfo<Value>& args) {
dispatchWebSocketEvent(args, "message", "onmessage");
}
static void WebSocketDispatchError(const FunctionCallbackInfo<Value>& args) {
dispatchWebSocketEvent(args, "error", "onerror");
}
static void WebSocketDispatchClose(const FunctionCallbackInfo<Value>& args) {
dispatchWebSocketEvent(args, "close", "onclose");
}
static void WebSocketReadyStateGetter(Local<Name> property, const PropertyCallbackInfo<Value>& info) {
Isolate* isolate = info.GetIsolate();
Local<Context> context = isolate->GetCurrentContext();
int state = WebSocketWrapper::CLOSED;
Local<Value> idVal = info.Holder()->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
if (idVal->IsNumber()) {
auto it = WebSocketWrapper::active_websockets.find(idVal->Int32Value(context).FromJust());
if (it != WebSocketWrapper::active_websockets.end()) {
state = it->second->getReadyState();
}
}
info.GetReturnValue().Set(Integer::New(isolate, state));
}
static void WebSocketReadyStateSetter(Local<Name> property, Local<Value> value, const PropertyCallbackInfo<void>& info) {}
static void WebSocketAddEventListener(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
HandleScope scope(isolate);
Local<Context> context = isolate->GetCurrentContext();
Local<Object> self = args.Holder();
if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsFunction()) return;
Local<Value> listenersVal = self->Get(context, String::NewFromUtf8(isolate, "_listeners").ToLocalChecked()).ToLocalChecked();
if (!listenersVal->IsObject()) return;
Local<Object> listeners = listenersVal.As<Object>();
Local<Value> arr = listeners->Get(context, args[0]).ToLocalChecked();
Local<Array> listenerList;
if (arr->IsArray()) {
listenerList = arr.As<Array>();
for (uint32_t i = 0; i < listenerList->Length(); ++i) {
Local<Value> existing = listenerList->Get(context, i).ToLocalChecked();
if (existing->StrictEquals(args[1])) return;
}
} else {
listenerList = Array::New(isolate);
listeners->Set(context, args[0], listenerList);
}
listenerList->Set(context, listenerList->Length(), args[1]);
}
static void WebSocketRemoveEventListener(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
HandleScope scope(isolate);
Local<Context> context = isolate->GetCurrentContext();
Local<Object> self = args.Holder();
if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsFunction()) return;
Local<Value> listenersVal = self->Get(context, String::NewFromUtf8(isolate, "_listeners").ToLocalChecked()).ToLocalChecked();
if (!listenersVal->IsObject()) return;
Local<Value> arr = listenersVal.As<Object>()->Get(context, args[0]).ToLocalChecked();
if (!arr->IsArray()) return;
Local<Array> listenerList = arr.As<Array>();
for (uint32_t i = 0; i < listenerList->Length(); ++i) {
Local<Value> listener = listenerList->Get(context, i).ToLocalChecked();
if (listener->StrictEquals(args[1])) {
Local<Value> splice = listenerList->Get(context, String::NewFromUtf8(isolate, "splice").ToLocalChecked()).ToLocalChecked();
Local<Value> spliceArgs[2] = { Integer::New(isolate, i), Integer::New(isolate, 1) };
splice.As<Function>()->Call(context, listenerList, 2, spliceArgs);
break;
}
}
}
static void WebSocketConstructor(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
HandleScope scope(isolate);
@ -2672,7 +2787,6 @@ static void WebSocketConstructor(const FunctionCallbackInfo<Value>& args) {
Local<Object> instance = args.This();
instance->Set(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked(), Integer::New(isolate, wsId));
instance->Set(context, String::NewFromUtf8(isolate, "url").ToLocalChecked(), args[0]);
instance->Set(context, String::NewFromUtf8(isolate, "readyState").ToLocalChecked(), Integer::New(isolate, 0));
instance->Set(context, String::NewFromUtf8(isolate, "protocol").ToLocalChecked(), String::NewFromUtf8(isolate, "").ToLocalChecked());
instance->Set(context, String::NewFromUtf8(isolate, "extensions").ToLocalChecked(), String::NewFromUtf8(isolate, "").ToLocalChecked());
instance->Set(context, String::NewFromUtf8(isolate, "binaryType").ToLocalChecked(), String::NewFromUtf8(isolate, "blob").ToLocalChecked());
@ -2681,6 +2795,15 @@ static void WebSocketConstructor(const FunctionCallbackInfo<Value>& args) {
instance->Set(context, String::NewFromUtf8(isolate, "onmessage").ToLocalChecked(), Null(isolate));
instance->Set(context, String::NewFromUtf8(isolate, "onerror").ToLocalChecked(), Null(isolate));
instance->Set(context, String::NewFromUtf8(isolate, "onclose").ToLocalChecked(), Null(isolate));
instance->Set(context, String::NewFromUtf8(isolate, "_listeners").ToLocalChecked(), Object::New(isolate));
auto it = WebSocketWrapper::active_websockets.find(wsId);
if (it != WebSocketWrapper::active_websockets.end()) {
it->second->setOnOpen(Function::New(context, WebSocketDispatchOpen, instance).ToLocalChecked());
it->second->setOnMessage(Function::New(context, WebSocketDispatchMessage, instance).ToLocalChecked());
it->second->setOnError(Function::New(context, WebSocketDispatchError, instance).ToLocalChecked());
it->second->setOnClose(Function::New(context, WebSocketDispatchClose, instance).ToLocalChecked());
}
args.GetReturnValue().Set(instance);
}
@ -2745,8 +2868,6 @@ static void WebSocketClose(const FunctionCallbackInfo<Value>& args) {
if (readyState == 2 || readyState == 3) return;
self->Set(context, String::NewFromUtf8(isolate, "readyState").ToLocalChecked(), Integer::New(isolate, 2));
Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
int wsId = idVal->Int32Value(context).FromJust();
@ -2883,10 +3004,15 @@ void bind_websocket_class(Isolate* isolate, const Global<Context>& context) {
Local<FunctionTemplate> wsTpl = FunctionTemplate::New(isolate, WebSocketConstructor);
wsTpl->SetClassName(String::NewFromUtf8(isolate, "WebSocket").ToLocalChecked());
wsTpl->InstanceTemplate()->SetInternalFieldCount(1);
wsTpl->InstanceTemplate()->SetNativeDataProperty(
String::NewFromUtf8(isolate, "readyState").ToLocalChecked(),
WebSocketReadyStateGetter, WebSocketReadyStateSetter);
Local<ObjectTemplate> proto = wsTpl->PrototypeTemplate();
proto->Set(isolate, "send", FunctionTemplate::New(isolate, WebSocketSend));
proto->Set(isolate, "close", FunctionTemplate::New(isolate, WebSocketClose));
proto->Set(isolate, "addEventListener", FunctionTemplate::New(isolate, WebSocketAddEventListener));
proto->Set(isolate, "removeEventListener", FunctionTemplate::New(isolate, WebSocketRemoveEventListener));
Local<Function> wsFunc = wsTpl->GetFunction(current_context).ToLocalChecked();
wsFunc->Set(current_context, String::NewFromUtf8(isolate, "CONNECTING").ToLocalChecked(), Integer::New(isolate, 0));
@ -2895,6 +3021,11 @@ void bind_websocket_class(Isolate* isolate, const Global<Context>& context) {
wsFunc->Set(current_context, String::NewFromUtf8(isolate, "CLOSED").ToLocalChecked(), Integer::New(isolate, 3));
global->Set(current_context, String::NewFromUtf8(isolate, "WebSocket").ToLocalChecked(), wsFunc);
Local<Value> windowVal = global->Get(current_context, String::NewFromUtf8(isolate, "window").ToLocalChecked()).ToLocalChecked();
if (windowVal->IsObject()) {
windowVal.As<Object>()->Set(current_context, String::NewFromUtf8(isolate, "WebSocket").ToLocalChecked(), wsFunc);
}
}
#endif

12
Sources/websocket.h
View File

@ -11,6 +11,7 @@
#include <vector>
#include <atomic>
#include <thread>
#include <future>
#include <v8.h>
#include <memory>
@ -68,6 +69,7 @@ namespace WebSocketWrapper {
void processEvents();
ReadyState getReadyState() const { return ready_state_; }
bool hasPendingEvents() const { return !event_queue_.empty(); }
const std::string& getUrl() const { return url_; }
const std::string& getProtocol() const { return protocol_; }
int getBufferedAmount() const { return buffered_amount_; }
@ -83,7 +85,7 @@ namespace WebSocketWrapper {
v8::Global<v8::Context>* global_context_;
std::string url_;
std::string protocol_;
ReadyState ready_state_;
std::atomic<ReadyState> ready_state_;
bool is_ssl_;
int buffered_amount_;
@ -94,9 +96,9 @@ namespace WebSocketWrapper {
v8::Global<v8::Function> on_close_;
LockFreeQueue<WebSocketEvent> event_queue_;
void* ws_;
void* ssl_ws_;
std::future<void> connect_future_;
int ws_;
#ifdef WITH_SSL
#ifdef _WIN32
@ -131,8 +133,6 @@ namespace WebSocketWrapper {
std::string base64Encode(const std::string& data);
// called from worker thread
void handleOpen();
void handleMessage(const std::string& message);
void handleError(const std::string& error);
void handleClose(int code, const std::string& reason);

27
kfile.js
View File

@ -13,6 +13,7 @@ let flags = {
with_webview: true,
with_uws: false,
with_ssl: true,
with_rtc: true,
debug_network: false
};
@ -122,6 +123,30 @@ if (flags.with_viewport && (platform === Platform.Windows || platform === Platfo
project.addFile('Sources/viewport_server.h');
project.addFile('Sources/viewport_server.cpp');
}
if (flags.with_rtc && (platform === Platform.Windows || platform === Platform.Linux || platform === Platform.OSX)) {
project.addDefine('WITH_RTC');
project.addDefine('RTC_STATIC');
project.addFile('Sources/rtc_bridge.h');
project.addFile('Sources/rtc_bridge.cpp');
project.addFile('Sources/rtc_v8_bindings.h');
project.addFile('Sources/rtc_v8_bindings.cpp');
project.addIncludeDir('libdatachannel/include');
if (platform === Platform.Windows) {
project.addLib(root + '/libdatachannel/lib/datachannel-static');
project.addLib(root + '/libdatachannel/lib/juice-static');
project.addLib(root + '/libdatachannel/lib/usrsctp');
project.addLib(root + '/libdatachannel/lib/MbedTLS');
project.addLib('bcrypt');
}
else {
project.addLib(root + '/libdatachannel/lib/libdatachannel-static.a');
project.addLib(root + '/libdatachannel/lib/libjuice-static.a');
project.addLib(root + '/libdatachannel/lib/libusrsctp.a');
project.addLib(root + '/libdatachannel/lib/libMbedTLS.a');
}
}
if (flags.with_networking && platform !== Platform.Windows) {
project.addLib('ssl');
project.addLib('crypto');
@ -142,7 +167,7 @@ if (platform === Platform.Windows) {
project.addLib(libdir + 'v8_monolith');
if (flags.with_webview) {
project.addIncludeDir('webview2/include');
project.addLib(root + '/webview2/lib/x64/WebView2Loader');
project.addLib(root + '/webview2/lib/x64/WebView2LoaderStatic');
}
if (!flags.release) {
project.addDefine('_HAS_ITERATOR_DEBUGGING=0');