LNXRNT/Sources/websocket.cpp

#ifdef WITH_NETWORKING

#include "websocket.h"
#include "socket_optimization.h"
#include <kinc/log.h>
#include <string.h>
// SSE2 for x86/x64, SSE2 to NEON translation for ARM64
#if defined(__x86_64__) || defined(_M_X64) || defined(__i386__) || defined(_M_IX86)
#include <emmintrin.h>
#elif defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
#include "sse2neon.h"
#endif
#include <unordered_map>
#include <thread>
#include <atomic>
#include <regex>
#include <algorithm>

#ifdef _WIN32
#define NOMINMAX  
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windows.h>
#pragma comment(lib, "ws2_32.lib")
#else
#define SOCKET int
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#define closesocket close
#endif

#include <vector>
#include <chrono>
#include <queue>
#include <mutex>
#include "ring_buffer.h"

#ifdef WITH_SSL
#ifdef _WIN32
#define SECURITY_WIN32
#include <wincrypt.h>
#include <schannel.h>
#include <security.h>
#include <sspi.h>
#pragma comment(lib, "crypt32.lib")
#pragma comment(lib, "secur32.lib")
#else
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/bio.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>
#include <openssl/sha.h>
#include <openssl/rand.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netdb.h>
#include <unistd.h>
#include <fcntl.h>
#endif
#endif

using namespace v8;

namespace WebSocketWrapper {
    // global state
    static std::unordered_map<int, std::unique_ptr<WebSocketClient>> active_websockets;
    static std::atomic<int> next_websocket_id{1};
    static std::atomic<bool> winsock_initialized{false};

    void initialize() {
        if (!winsock_initialized.exchange(true)) {
            #ifdef _WIN32
            WSADATA wsaData;
            int result = WSAStartup(MAKEWORD(2, 2), &wsaData);
            if (result != 0) {
                kinc_log(KINC_LOG_LEVEL_ERROR, "WSAStartup failed: %d", result);
            }
            #ifdef DEBUG_NETWORK
            else {
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket client support initialized successfully");
            }
            #endif
            #endif
        }
    }

    void cleanup() {
        active_websockets.clear();
        if (winsock_initialized.exchange(false)) {
            #ifdef _WIN32
            WSACleanup();
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket cleanup complete");
            #endif
            #endif
        }
    }

    void processEvents() {
        try {
            for (auto& [id, client] : active_websockets) {
                if (client) {
                    client->processEvents();
                }
            }
        } catch (...) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: CRASH in global processEvents");
            #endif
        }
    }
    
    int createWebSocketConnection(v8::Isolate* isolate, const std::string& url) {
        int id = next_websocket_id++;
        auto client = std::make_unique<WebSocketClient>(isolate, getGlobalContext(), url);
        active_websockets[id] = std::move(client);
        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)
    #ifdef WITH_SSL
    #ifdef _WIN32
          , ssl_cred_handle_(nullptr), ssl_context_handle_(nullptr), ssl_context_initialized_(false), ssl_socket_(-1)
    #else
          , ssl_ctx_(nullptr), ssl_(nullptr), ssl_initialized_(false)
    #endif
    #endif
    {
    #ifdef WITH_SSL
    #ifdef _WIN32
        memset(&ssl_cred_handle_, 0, sizeof(ssl_cred_handle_));
        memset(&ssl_context_handle_, 0, sizeof(ssl_context_handle_));
    #endif
    #endif
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "Creating WebSocket connection to: %s", url.c_str());
        #endif
        
        std::string host, path;
        int port;
        parseUrl(url, host, port, path);
        is_ssl_ = (url.find("wss://") == 0);
        
        ready_state_ = CONNECTING;
        
        // start connection using thread pool
        GlobalThreadPool::getInstance().enqueue([this, host, port, path]() {
            try {
                #ifdef DEBUG_NETWORK
                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();
                } else {
                    ready_state_ = CLOSED;
                    handleError("Connection failed");
                }
            } catch (...) {
                ready_state_ = CLOSED;
            }
        });
    }

    WebSocketClient::~WebSocketClient() {
        if (ready_state_ == OPEN) {
            close();
        }
        #ifdef WITH_SSL
        cleanupWSL();
        #endif
    }

    bool WebSocketClient::parseUrl(const std::string& url, std::string& host, int& port, std::string& path) {
        std::regex url_regex(R"(^(wss?)://([^:/]+)(?::(\d+))?(/.*)?$)");
        std::smatch matches;
        
        if (!std::regex_match(url, matches, url_regex)) {
            return false;
        }
        
        std::string protocol = matches[1].str();
        host = matches[2].str();
        
        if (matches[3].matched) {
            port = std::stoi(matches[3].str());
        } else {
            port = (protocol == "wss") ? 443 : 80;
        }
        
        path = matches[4].matched ? matches[4].str() : "/";
        is_ssl_ = (protocol == "wss");
        
        return true;
    }

    void WebSocketClient::send(const std::string& data) {
        if (ready_state_ != OPEN) {
            handleError("WebSocket is not open");
            return;
        }
        
        if (ws_ == nullptr) {
            handleError("WebSocket: No socket available for sending");
            return;
        }
        
        try {
            buffered_amount_ += static_cast<int>(data.length());
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket sending: %s", data.c_str());
            #endif
            
            // create and send WebSocket frame
            std::vector<uint8_t> frame = createWebSocketFrame(data);
            
            int sock = static_cast<int>(reinterpret_cast<intptr_t>(ws_));
            int sendResult;
            
            if (is_ssl_ && isSSLReady()) {
                sendResult = webSocketSSLSend(frame.data(), static_cast<int>(frame.size()));
            } else {
                sendResult = ::send(sock, reinterpret_cast<const char*>(frame.data()), static_cast<int>(frame.size()), 0);
            }
            
            if (sendResult <= 0) {
                buffered_amount_ = 0;
                handleError("WebSocket: Failed to send message");
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to send %d bytes to server", (int)frame.size());
                #endif
                return;
            }
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Successfully sent %d bytes to server", sendResult);
            #endif
            buffered_amount_ = 0;
            
        } catch (const std::exception& e) {
            buffered_amount_ = 0;
            handleError(std::string("Send error: ") + e.what());
        }
    }

    void WebSocketClient::sendBinary(const std::string& data) {
        if (ready_state_ != OPEN) {
            handleError("WebSocket is not open");
            return;
        }
        
        if (ws_ == nullptr) {
            handleError("WebSocket: No socket available for sending");
            return;
        }
        
        try {
            buffered_amount_ += static_cast<int>(data.length());
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket sending binary: %d bytes", (int)data.length());
            #endif
            
            // binary frame with opcode 0x02
            std::vector<uint8_t> frame = createWebSocketBinaryFrame(data);
            
            int sock = static_cast<int>(reinterpret_cast<intptr_t>(ws_));
            int sendResult;
            
            if (is_ssl_ && isSSLReady()) {
                sendResult = webSocketSSLSend(frame.data(), static_cast<int>(frame.size()));
            } else {
                sendResult = ::send(sock, reinterpret_cast<const char*>(frame.data()), static_cast<int>(frame.size()), 0);
            }
            
            if (sendResult <= 0) {
                buffered_amount_ = 0;
                handleError("WebSocket: Failed to send binary message");
                return;
            }
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Successfully sent %d binary bytes to server", sendResult);
            #endif
            buffered_amount_ = 0;
            
        } catch (const std::exception& e) {
            buffered_amount_ = 0;
            handleError(std::string("Send binary error: ") + e.what());
        }
    }

    void WebSocketClient::close(int code, const std::string& reason) {
        if (ready_state_ == CLOSING || ready_state_ == CLOSED) {
            return;
        }
        
        ready_state_ = CLOSING;
        ready_state_ = CLOSED;
        handleClose(code, reason);
    }



    void WebSocketClient::setOnOpen(Local<Function> callback) {
        on_open_.Reset(isolate_, callback);
    }

    void WebSocketClient::setOnMessage(Local<Function> callback) {
        on_message_.Reset(isolate_, callback);
    }

    void WebSocketClient::setOnError(Local<Function> callback) {
        on_error_.Reset(isolate_, callback);
    }

    void WebSocketClient::setOnClose(Local<Function> callback) {
        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
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket error: %s", error.c_str());
            #endif
            event_queue_.push(WebSocketEvent(EVENT_ERROR, error));
        } catch (...) {
            // silent crash
        }
    }

    void WebSocketClient::handleClose(int code, const std::string& reason) {
        ready_state_ = CLOSED;
        event_queue_.push(WebSocketEvent(EVENT_CLOSE, code, reason));
    }

    // process events on main thread with lock free queue and batching
    void WebSocketClient::processEvents() {
        try {
            // collect for batched processing and pre allocate
            std::vector<WebSocketEvent> pending_events;
            pending_events.reserve(64); 
            
            WebSocketEvent event;
            while (event_queue_.try_pop(event)) {
                pending_events.push_back(std::move(event));
            }
            
            if (pending_events.empty()) return;
        
        // message events for batch processing
        std::vector<std::string> message_batch;
        message_batch.reserve(pending_events.size());
        
        // process non message events and collect messages
        for (auto& evt : pending_events) {
            switch (evt.type) {
                case EVENT_OPEN:
                    processOpenEvent();
                    break;
                case EVENT_MESSAGE:
                    message_batch.push_back(std::move(evt.data));
                    break;
                case EVENT_ERROR:
                    processErrorEvent(evt.data);
                    break;
                case EVENT_CLOSE:
                    processCloseEvent(evt.code, evt.reason);
                    break;
            }
        }
        
        // batch process all messages 
        if (!message_batch.empty()) {
            processMessageBatch(message_batch);
        }
        } catch (...) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: CRASH in processEvents");
        }
    }
    
    void WebSocketClient::processMessageBatch(const std::vector<std::string>& messages) {
        if (on_message_.IsEmpty() || messages.empty()) return;
        
        Locker locker{isolate_};
        Isolate::Scope isolate_scope(isolate_);
        HandleScope handle_scope(isolate_);
        Local<Context> context = Local<Context>::New(isolate_, *global_context_);
        Context::Scope context_scope(context);
        
        Local<Function> func = on_message_.Get(isolate_);
        Local<String> dataKey = String::NewFromUtf8(isolate_, "data").ToLocalChecked();
        
        for (const auto& message : messages) {
            Local<Object> event = Object::New(isolate_);
            Local<ArrayBuffer> arrayBuffer = ArrayBuffer::New(isolate_, message.length());
            std::shared_ptr<BackingStore> backing = arrayBuffer->GetBackingStore();
            memcpy(backing->Data(), message.c_str(), message.length());
            event->Set(context, dataKey, arrayBuffer);
            
            Local<Value> argv[1] = { event };
            TryCatch try_catch(isolate_);
            func->Call(context, context->Global(), 1, argv);
        }
    }

    // called on main thread
    void WebSocketClient::processOpenEvent() {
        if (!on_open_.IsEmpty()) {
            Local<Value> argv[1] = {};
            callCallback(on_open_, 0, argv);
        }
    }

    void WebSocketClient::processMessageEvent(const std::string& message) {
        if (!on_message_.IsEmpty()) {
            Locker locker{isolate_};
            
            Isolate::Scope isolate_scope(isolate_);
            HandleScope handle_scope(isolate_);
            Local<Context> context = Local<Context>::New(isolate_, *global_context_);
            Context::Scope context_scope(context);
            
            Local<Object> event = Object::New(isolate_);
            
            Local<ArrayBuffer> arrayBuffer = ArrayBuffer::New(isolate_, message.length());
            std::shared_ptr<BackingStore> backing = arrayBuffer->GetBackingStore();
            memcpy(backing->Data(), message.c_str(), message.length());
            
            event->Set(context, String::NewFromUtf8(isolate_, "data").ToLocalChecked(), arrayBuffer);
            
            Local<Value> argv[1] = { event };
            callCallback(on_message_, 1, argv);
        }
    }

    void WebSocketClient::processErrorEvent(const std::string& error) {
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: processErrorEvent START");
        try {
            if (!on_error_.IsEmpty()) {
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: processErrorEvent getting locker");
                Locker locker{isolate_};
                
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: processErrorEvent setting up V8");
                Isolate::Scope isolate_scope(isolate_);
                HandleScope handle_scope(isolate_);
                Local<Context> context = Local<Context>::New(isolate_, *global_context_);
                Context::Scope context_scope(context);
                
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: processErrorEvent creating event object");
                Local<Object> event = Object::New(isolate_);
                event->Set(context, String::NewFromUtf8(isolate_, "message").ToLocalChecked(),
                          String::NewFromUtf8(isolate_, error.c_str()).ToLocalChecked());
                
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: processErrorEvent calling callback");
                Local<Value> argv[1] = { event };
                callCallback(on_error_, 1, argv);
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: processErrorEvent DONE");
            }
        } catch (...) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: CRASH in processErrorEvent");
        }
    }

    void WebSocketClient::processCloseEvent(int code, const std::string& reason) {
        if (!on_close_.IsEmpty()) {
            Locker locker{isolate_};
            
            Isolate::Scope isolate_scope(isolate_);
            HandleScope handle_scope(isolate_);
            Local<Context> context = Local<Context>::New(isolate_, *global_context_);
            Context::Scope context_scope(context);
            
            Local<Object> event = Object::New(isolate_);
            event->Set(context, String::NewFromUtf8(isolate_, "code").ToLocalChecked(),
                      Number::New(isolate_, code));
            event->Set(context, String::NewFromUtf8(isolate_, "reason").ToLocalChecked(),
                      String::NewFromUtf8(isolate_, reason.c_str()).ToLocalChecked());
            
            Local<Value> argv[1] = { event };
            callCallback(on_close_, 1, argv);
        }
    }

    void WebSocketClient::callCallback(Global<Function>& callback, int argc, Local<Value> argv[]) {
        if (callback.IsEmpty()) return;
        
        Locker locker{isolate_};
        
        Isolate::Scope isolate_scope(isolate_);
        HandleScope handle_scope(isolate_);
        Local<Context> context = Local<Context>::New(isolate_, *global_context_);
        Context::Scope context_scope(context);
        
        TryCatch try_catch(isolate_);
        
        Local<Function> func = callback.Get(isolate_);
        Local<Value> result;
        if (func->Call(context, context->Global(), argc, argv).ToLocal(&result)) {
            // Success
            if (try_catch.HasCaught()) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket callback error");
                #endif
            }
        }
    }

    int WebSocketClient::webSocketSSLReceive(char* buffer, int bufferSize) {
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: webSocketSSLReceive called with bufferSize=%d", bufferSize);
        #endif
        
        #ifdef _WIN32
        if (!ssl_context_initialized_) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL not initialized for receive");
            #endif
            return -1;
        }
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL context initialized, starting receive process");
        #endif
        
        // first try to decrypt any existing buffered data
        if (!ssl_buffer_.empty()) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Attempting to decrypt existing buffer data (%d bytes)", (int)ssl_buffer_.size());
            #endif
            
            SecBuffer buffers[4];
            SecBufferDesc message;
            
            // set up decrypt buffers with existing data
            buffers[0].pvBuffer = ssl_buffer_.data();
            buffers[0].cbBuffer = static_cast<unsigned long>(ssl_buffer_.size());
            buffers[0].BufferType = SECBUFFER_DATA;
            
            buffers[1].BufferType = SECBUFFER_EMPTY;
            buffers[2].BufferType = SECBUFFER_EMPTY;
            buffers[3].BufferType = SECBUFFER_EMPTY;
            
            message.ulVersion = SECBUFFER_VERSION;
            message.cBuffers = 4;
            message.pBuffers = buffers;
            
            SECURITY_STATUS status = DecryptMessage(reinterpret_cast<PCtxtHandle>(ssl_context_handle_), &message, 0, nullptr);
            
            if (status == SEC_E_OK) {
                // find decrypted data buffer
                for (int i = 0; i < 4; i++) {
                    if (buffers[i].BufferType == SECBUFFER_DATA && buffers[i].cbBuffer > 0) {
                        int decrypted_size = (std::min)(static_cast<int>(buffers[i].cbBuffer), bufferSize);
                        memcpy(buffer, buffers[i].pvBuffer, decrypted_size);
                        
                        #ifdef DEBUG_NETWORK
                        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Successfully decrypted %d bytes from existing buffer", decrypted_size);
                        #endif
                        // remove processed data from buffer and keep extra data
                        if (buffers[3].BufferType == SECBUFFER_EXTRA && buffers[3].cbBuffer > 0) {
                            memmove(ssl_buffer_.data(), (char*)buffers[3].pvBuffer, buffers[3].cbBuffer);
                            ssl_buffer_.resize(buffers[3].cbBuffer);
                            #ifdef DEBUG_NETWORK
                            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Kept %d bytes of extra data in buffer", buffers[3].cbBuffer);
                            #endif
                        } else {
                            ssl_buffer_.clear();
                            #ifdef DEBUG_NETWORK
                            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Cleared SSL buffer after successful decryption");
                            #endif
                        }
                        
                        return decrypted_size;
                    }
                }
            } else if (status != SEC_E_INCOMPLETE_MESSAGE) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL decrypt failed with status 0x%x, clearing buffer", status);
                #endif
                ssl_buffer_.clear();
                return -1;
            }
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Incomplete SSL message, need more data (current buffer: %d bytes)", (int)ssl_buffer_.size());
            #endif
        }
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Reading more SSL data from socket %d with proper polling", ssl_socket_);
        #endif
        
        fd_set readfds;
        struct timeval timeout;
        FD_ZERO(&readfds);
        FD_SET(ssl_socket_, &readfds);
        
        timeout.tv_sec = 5;  
        timeout.tv_usec = 0;
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Waiting for WebSocket handshake response on socket %d with 5s timeout", ssl_socket_);
        #endif
        
        int select_result = select(0, &readfds, nullptr, nullptr, &timeout);
        
        if (select_result == SOCKET_ERROR) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: select() failed: %d", WSAGetLastError());
            #endif
            return -1;
        } else if (select_result == 0) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Timeout waiting for WebSocket handshake response (5s) - server may not support WebSocket protocol");
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: This could indicate: 1) Server doesn't support WebSocket, 2) Network issue, 3) Server overloaded");
            #endif
            return -1;
        } else if (!FD_ISSET(ssl_socket_, &readfds)) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Socket not ready for SSL reading after select");
            #endif
            return -1;
        }
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL data available, reading from socket %d", ssl_socket_);
        #endif
        
        char temp_buffer[SocketOptimization::SMALL_BUFFER_SIZE];
        int raw_bytes = recv(ssl_socket_, temp_buffer, sizeof(temp_buffer), 0);
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: recv returned %d bytes of raw SSL data", raw_bytes);
        #endif
        
        if (raw_bytes <= 0) {
            if (raw_bytes == 0) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL connection closed by server during handshake");
                #endif
            } else {
                int recv_error = WSAGetLastError();
                if (recv_error == WSAEWOULDBLOCK) {
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: No SSL data available right now (WSAEWOULDBLOCK) - normal for non-blocking sockets");
                    #endif
                    return 0; 
                } else {
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: recv failed with SSL error %d", recv_error);
                    #endif
                }
            }
            return -1;
        }
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Successfully received %d bytes of raw SSL data, adding to buffer (current size: %d)", raw_bytes, (int)ssl_buffer_.size());
        #endif
        
        // add new data to SSL buffer
        size_t old_size = ssl_buffer_.size();
        ssl_buffer_.insert(ssl_buffer_.end(), temp_buffer, temp_buffer + raw_bytes);
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL buffer updated: %d -> %d bytes", (int)old_size, (int)ssl_buffer_.size());
        #endif
        
        // try to decrypt the accumulated data and set up decrypt buffers with all accumulated data
        SecBuffer buffers[4];
        SecBufferDesc message;
        
        buffers[0].pvBuffer = ssl_buffer_.data();
        buffers[0].cbBuffer = static_cast<unsigned long>(ssl_buffer_.size());
        buffers[0].BufferType = SECBUFFER_DATA;
        
        buffers[1].BufferType = SECBUFFER_EMPTY;
        buffers[2].BufferType = SECBUFFER_EMPTY;
        buffers[3].BufferType = SECBUFFER_EMPTY;
        
        message.ulVersion = SECBUFFER_VERSION;
        message.cBuffers = 4;
        message.pBuffers = buffers;
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Attempting SSL decryption of %d bytes", (int)ssl_buffer_.size());
        #endif
        
        SECURITY_STATUS status = DecryptMessage(reinterpret_cast<PCtxtHandle>(ssl_context_handle_), &message, 0, nullptr);
        
        if (status == SEC_E_OK) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL decryption successful");
            #endif
            
            for (int i = 0; i < 4; i++) {
                if (buffers[i].BufferType == SECBUFFER_DATA && buffers[i].cbBuffer > 0) {
                    int decrypted_size = (std::min)(static_cast<int>(buffers[i].cbBuffer), bufferSize);
                    memcpy(buffer, buffers[i].pvBuffer, decrypted_size);
                    
                    if (decrypted_size < bufferSize) {
                        buffer[decrypted_size] = '\0';
                    }
                    
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Successfully decrypted %d bytes of SSL handshake response", decrypted_size);
                    #endif
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Handshake response preview: %.200s...", buffer);
                    #endif
                    
                    if (buffers[3].BufferType == SECBUFFER_EXTRA && buffers[3].cbBuffer > 0) {
                        memmove(ssl_buffer_.data(), (char*)buffers[3].pvBuffer, buffers[3].cbBuffer);
                        ssl_buffer_.resize(buffers[3].cbBuffer);
                        #ifdef DEBUG_NETWORK
                        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Kept %d bytes of extra SSL data", buffers[3].cbBuffer);
                        #endif
                    } else {
                        ssl_buffer_.clear();
                        #ifdef DEBUG_NETWORK
                        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Cleared SSL buffer after successful handshake decryption");
                        #endif
                    }
                    
                    return decrypted_size;
                }
            }
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL decrypt succeeded but no handshake data found");
            #endif
            return 0;
        } else if (status == SEC_E_INCOMPLETE_MESSAGE) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Incomplete SSL message, need more handshake data (buffer size: %d)", (int)ssl_buffer_.size());
            #endif
            return 0; // need more data so we keep buffer intact and try again
        } else {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL decrypt failed with handshake status 0x%x, clearing buffer", status);
            #endif
            ssl_buffer_.clear();
            return -1;
        }
        #else
        // LibreSSL/OpenSSL implementation for macOS/Linux
        if (!ssl_initialized_ || !ssl_) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL not initialized for receive");
            #endif
            return -1;
        }
        
        int result = SSL_read(ssl_, buffer, bufferSize);
        if (result <= 0) {
            int error = SSL_get_error(ssl_, result);
            if (error == SSL_ERROR_WANT_READ || error == SSL_ERROR_WANT_WRITE) {
                return 0; // need more data
            }
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL_read failed with error %d", error);
            #endif
            return -1;
        }
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL_read returned %d bytes", result);
        #endif
        return result;
        #endif
    }
    
    bool WebSocketClient::connectToServer(const std::string& host, int port, const std::string& path) {
        try {
            int sock = static_cast<int>(socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
            if (sock == -1) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to create socket");
                #endif
                return false;
            }
            
            sockaddr_in addr{};
            addr.sin_family = AF_INET;
            addr.sin_port = htons(port);
            
            if (inet_pton(AF_INET, host.c_str(), &addr.sin_addr) != 1) {
                // try DNS resolution
                struct addrinfo hints = {}, *result;
                hints.ai_family = AF_INET;
                hints.ai_socktype = SOCK_STREAM;
                
                if (getaddrinfo(host.c_str(), nullptr, &hints, &result) != 0) {
                    #ifdef _WIN32
                    closesocket(sock);
                    #else
                    close(sock);
                    #endif
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to resolve host %s", host.c_str());
                    #endif
                    return false;
                }
                
                addr.sin_addr = ((sockaddr_in*)result->ai_addr)->sin_addr;
                freeaddrinfo(result);
            }
            
            if (connect(sock, (sockaddr*)&addr, sizeof(addr)) == -1) {
                #ifdef _WIN32
                closesocket(sock);
                #else
                close(sock);
                #endif
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to connect to %s:%d", host.c_str(), port);
                #endif
                return false;
            }
            
            #ifdef DEBUG_NETWORK
            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));
            
            if (is_ssl_ && port == 443) {
                if (!initializeWebSocketSSL(sock, host)) {
                    #ifdef _WIN32
                    closesocket(sock);
                    #else
                    close(sock);
                    #endif
                    ws_ = nullptr;
                    return false;
                }
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL/TLS handshake completed");
                #endif
            }
            
            if (!performWebSocketHandshake(sock, host, port, path)) {
                if (is_ssl_) cleanupWebSocketSSL();
                #ifdef _WIN32
                closesocket(sock);
                #else
                close(sock);
                #endif
                ws_ = nullptr;
                return false;
            }
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Handshake completed successfully");
            #endif
            
            ready_state_ = OPEN;
            fireOpenEvent();
            
            return true;
            
        } catch (const std::exception& e) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Connection error: %s", e.what());
            #endif
            return false;
        }
    }
    
    // RFC 6455 handshake implementation
    bool WebSocketClient::performWebSocketHandshake(int sock, const std::string& host, int port, const std::string& path) {
        try {
            std::string webSocketKey = generateWebSocketKey();
            
            std::string hostHeader = host;
            // dont include port for standard ports (80 for HTTP, 443 for HTTPS)
            if (!((is_ssl_ && port == 443) || (!is_ssl_ && port == 80))) {
                hostHeader += ":" + std::to_string(port);
            }
            
            std::string handshakeRequest = 
                "GET " + path + " HTTP/1.1\r\n"
                "Host: " + hostHeader + "\r\n"
                "Upgrade: websocket\r\n"
                "Connection: Upgrade\r\n"
                "Sec-WebSocket-Key: " + webSocketKey + "\r\n"
                "Sec-WebSocket-Version: 13\r\n"
                "Origin: https://" + host + "\r\n"
                "User-Agent: RunT/1.0\r\n"
                "\r\n";
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Sending handshake request");
            #endif
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Handshake request content:\n%s", handshakeRequest.c_str());
            #endif
            
            int sendResult;
            if (is_ssl_ && isSSLReady()) {
                sendResult = webSocketSSLSend(handshakeRequest.c_str(), static_cast<int>(handshakeRequest.length()));
            } else {
                sendResult = ::send(sock, handshakeRequest.c_str(), static_cast<int>(handshakeRequest.length()), 0);
            }
                
            if (sendResult <= 0) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to send handshake request");
                #endif
                return false;
            }

            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);
            }
                
            if (bytesReceived <= 0) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to receive handshake response");
                #endif
                return false;
            }
            
            buffer[bytesReceived] = '\0';
            std::string response(buffer);
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Received handshake response");
            #endif
            
            if (response.find("HTTP/1.1 101") != 0) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Invalid handshake response status");
                #endif
                return false;
            }
            
            // Sec-WebSocket-Accept case insensitive per RFC 7230
            std::string expectedAccept = base64Encode(sha1Hash(webSocketKey + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"));
            
            // convert response to lowercase for case insensitive header search
            std::string responseLower = response;
            std::transform(responseLower.begin(), responseLower.end(), responseLower.begin(), ::tolower);
            
            size_t acceptPos = responseLower.find("sec-websocket-accept: ");
            if (acceptPos == std::string::npos) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Missing Sec-WebSocket-Accept header");
                #endif
                return false;
            }
            
            acceptPos += 22; // is the length of "sec-websocket-accept: "
            size_t acceptEnd = response.find("\r\n", acceptPos);
            std::string actualAccept = response.substr(acceptPos, acceptEnd - acceptPos);
            
            if (actualAccept != expectedAccept) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Invalid Sec-WebSocket-Accept value");
                #endif
                return false;
            }
            
            return true;
            
        } catch (const std::exception& e) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Handshake error: %s", e.what());
            #endif
            return false;
        }
    }
    
    // use event queue for thread safety
    void WebSocketClient::fireOpenEvent() {
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Connection opened");
        #endif
        event_queue_.push(WebSocketEvent(EVENT_OPEN));
    }
    
    void WebSocketClient::fireMessageEvent(const std::string& message, bool binary) {
        #ifdef DEBUG_NETWORK
        // TODO: only log first 100 chars to avoid stack overflow in kinc_log for large messages
        if (message.length() > 100) {
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Message received (%zu bytes): %.100s...", message.length(), message.c_str());
        } else {
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Message received: %s", message.c_str());
        }
        #endif
        event_queue_.push(WebSocketEvent(EVENT_MESSAGE, message));
    }
    
    void WebSocketClient::fireErrorEvent(const std::string& error) {
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Error: %s", error.c_str());
        #endif
        event_queue_.push(WebSocketEvent(EVENT_ERROR, error));
    }
    
    void WebSocketClient::fireCloseEvent(int code, const std::string& reason) {
        #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));
    }
    
    // complete frame helper for ring buffer messageLoop
    void WebSocketClient::processFrame(uint8_t opcode, bool fin, const std::vector<uint8_t>& payload) {
        switch (opcode) {
            case 0x0: // continuation frame
            case 0x1: // text frame
            case 0x2: // binary frame
                if (fin) {
                    std::string message(payload.begin(), payload.end());
                    // force binary because we are fancy
                    fireMessageEvent(message, true); 
                } else {
                    partial_frame_buffer_ = payload;
                    expecting_continuation_ = true;
                    continuation_opcode_ = opcode;
                }
                break;
                
            case 0x8: // close frame
                {
                    uint16_t close_code = 1000;
                    std::string close_reason;
                    if (payload.size() >= 2) {
                        close_code = (payload[0] << 8) | payload[1];
                        if (payload.size() > 2) {
                            close_reason = std::string(payload.begin() + 2, payload.end());
                        }
                    }
                    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_));
                    if (is_ssl_ && isSSLReady()) {
                        webSocketSSLSend(pongFrame.data(), static_cast<int>(pongFrame.size()));
                    } else {
                        ::send(sock, reinterpret_cast<const char*>(pongFrame.data()), static_cast<int>(pongFrame.size()), 0);
                    }
                }
                break;
                
            case 0xA: // pong frame
                break;
                
            default:
                kinc_log(KINC_LOG_LEVEL_WARNING, "WebSocket: Unknown opcode 0x%X", opcode);
                break;
        }
    }
    
    // following uWebSockets
    void WebSocketClient::messageLoop() {
        if (ws_ == nullptr) {
            #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_));
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Starting message loop");
        #endif

        // 512KB heap allocated shared receive
        const size_t LIBUS_RECV_BUFFER_LENGTH = 524288;
        RingBuffer ringBuf(LIBUS_RECV_BUFFER_LENGTH);
        
        // fragmentBuffer for accumulating message fragments grows dynamically on heap when message spans multiple recv() calls
        std::string fragmentBuffer;
        
        // state machine
        bool wantsHead = true;           // true = expecting frame header, false = continuation
        uint64_t remainingBytes = 0;     // bytes remaining for current message payload
        uint8_t currentOpcode = 0;       // opcode of current message being assembled
        bool currentFin = false;         // FIN flag of current frame
        
        while (ready_state_ == OPEN) {
            size_t contiguousSpace;
            uint8_t* writePtr = ringBuf.getWritePtr(&contiguousSpace);
            
            if (contiguousSpace == 0) {
                if (!wantsHead && ringBuf.size() > 0) {
                    size_t available = ringBuf.size();
                    size_t toRead = (available < remainingBytes) ? available : (size_t)remainingBytes;
                    std::vector<uint8_t> chunk(toRead);
                    ringBuf.read(chunk.data(), toRead);
                    fragmentBuffer.append(reinterpret_cast<char*>(chunk.data()), toRead);
                    remainingBytes -= toRead;
                    
                    if (remainingBytes == 0 && currentFin) {
                        std::vector<uint8_t> payload(fragmentBuffer.begin(), fragmentBuffer.end());
                        processFrame(currentOpcode, currentFin, payload);
                        fragmentBuffer.clear();
                        wantsHead = true;
                    }
                    continue;
                }
				#ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_WARNING, "WebSocket: Buffer full (%zu bytes)", LIBUS_RECV_BUFFER_LENGTH);
                #endif
				break;
            }
            
            int bytesReceived;
            if (is_ssl_ && isSSLReady()) {
                bytesReceived = webSocketSSLReceive(reinterpret_cast<char*>(writePtr), static_cast<int>(contiguousSpace));
            } else {
                bytesReceived = recv(sock, reinterpret_cast<char*>(writePtr), static_cast<int>(contiguousSpace), 0);
            }
                
            if (bytesReceived <= 0) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Connection closed by server");
                #endif
                break;
            }
            
            ringBuf.commitWrite(bytesReceived);
            
            if (!wantsHead) {
                size_t available = ringBuf.size();
                size_t toRead = (available < remainingBytes) ? available : (size_t)remainingBytes;
                std::vector<uint8_t> chunk(toRead);
                ringBuf.read(chunk.data(), toRead);
                fragmentBuffer.append(reinterpret_cast<char*>(chunk.data()), toRead);
                remainingBytes -= toRead;
                
                if (remainingBytes == 0 && currentFin) {
					#ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Large message complete (%zu bytes)", fragmentBuffer.size());
                    std::vector<uint8_t> payload(fragmentBuffer.begin(), fragmentBuffer.end());
                    #endif
					processFrame(currentOpcode, currentFin, payload);
                    fragmentBuffer.clear();
                    wantsHead = true;
                }
                continue;
            }
            
            while (ringBuf.size() >= 2) {
                WsFrameInfo frameInfo = {};  // Zero-initialize for safe partial-parse checking
                WsFrameResult result = parseWsFrameHeader(ringBuf, frameInfo);
                
                if (result == WsFrameResult::WS_INCOMPLETE) {
                    // can mean many things, we follow uWebsockets
                    if (frameInfo.header_size > 0 && 
                        ringBuf.size() >= frameInfo.header_size &&
                        frameInfo.payload_length > LIBUS_RECV_BUFFER_LENGTH / 2) {
                        #ifdef DEBUG_NETWORK
                        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Large payload (%llu bytes), using fragmentBuffer", 
                            (unsigned long long)frameInfo.payload_length);
                        #endif
                        fragmentBuffer.reserve((size_t)frameInfo.payload_length);
                        
                        currentOpcode = frameInfo.opcode;
                        currentFin = frameInfo.fin;
                        remainingBytes = frameInfo.payload_length;
                        wantsHead = false;
                        
                        ringBuf.consume(frameInfo.header_size);
                        break;
                    }
                    break;  
                }
                
                if (result == WsFrameResult::WS_ERROR) {
                    // so we resync and skip to next valid frame header
                    ringBuf.consume(1);
                    continue;
                }
                
                if (!frameInfo.fin || fragmentBuffer.length() > 0) {
                    // first fragment reserves, subsequent appends
                    if (fragmentBuffer.length() == 0) {
                        fragmentBuffer.reserve((size_t)frameInfo.payload_length);
                        currentOpcode = frameInfo.opcode ? frameInfo.opcode : currentOpcode;
                    }
                    
                    std::vector<uint8_t> payload((size_t)frameInfo.payload_length);
                    extractWsPayload(ringBuf, frameInfo, payload.data());
                    fragmentBuffer.append(reinterpret_cast<char*>(payload.data()), payload.size());
                    
                    if (frameInfo.fin) {
                        std::vector<uint8_t> fullPayload(fragmentBuffer.begin(), fragmentBuffer.end());
                        processFrame(currentOpcode, true, fullPayload);
                        fragmentBuffer.clear();
                    }
                } else {
                    std::vector<uint8_t> payload((size_t)frameInfo.payload_length);
                    extractWsPayload(ringBuf, frameInfo, payload.data());
                    processFrame(frameInfo.opcode, frameInfo.fin, payload);
                }
            }
        }
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Message loop completed");
        #endif
    }
    
    // frame parsing (RFC 6455)
    bool WebSocketClient::parseWebSocketFrame(const std::vector<uint8_t>& buffer, size_t& offset) {
        size_t original_offset = offset;
        
        if (offset + 2 > buffer.size()) {
            return false; 
        }
        
        uint8_t byte1 = buffer[offset++];
        uint8_t byte2 = buffer[offset++];
        
        bool fin = (byte1 & 0x80) != 0;
        uint8_t rsv = (byte1 >> 4) & 0x07; // RSV1, RSV2, RSV3
        uint8_t opcode = byte1 & 0x0F;
        bool masked = (byte2 & 0x80) != 0;
        uint64_t payload_length = byte2 & 0x7F;
        
        // RFC 6455: RSV bits must be 0 unless an extension is negotiated
        if (rsv != 0) {
			#ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_WARNING, "WebSocket: Non-zero RSV bits (%d) - possible frame corruption", rsv);
            #endif

			offset = original_offset + 1;
            return true; 
        }
        
        if (payload_length == 126) {
            if (offset + 2 > buffer.size()) {
                offset = original_offset; 
                return false;
            }
            payload_length = (buffer[offset] << 8) | buffer[offset + 1];
            offset += 2;
        } else if (payload_length == 127) {
            if (offset + 8 > buffer.size()) {
                offset = original_offset;
                return false;
            }
            payload_length = 0;
            for (int i = 0; i < 8; i++) {
                payload_length = (payload_length << 8) | buffer[offset + i];
            }
            offset += 8;
        }
        
        // TODO: confirm we shouldnt send masked frames
        uint32_t mask_key = 0;
        if (masked) {
            if (offset + 4 > buffer.size()) {
                offset = original_offset; 
                return false;
            }
            mask_key = (buffer[offset] << 24) | (buffer[offset + 1] << 16) | 
                      (buffer[offset + 2] << 8) | buffer[offset + 3];
            offset += 4;
        }
        
        if (offset + payload_length > buffer.size()) {
            offset = original_offset; 
            return false;
        }
        
        std::vector<uint8_t> payload(buffer.begin() + offset, buffer.begin() + offset + payload_length);
        offset += payload_length;
        
        if (masked) {
            maskData(payload, mask_key);
        }
        
        switch (opcode) {
            case 0x0: // continuation frame
            case 0x1: // text frame
            case 0x2: // binary frame
                if (fin) {
                    std::string message(payload.begin(), payload.end());
                    fireMessageEvent(message, true); // force binary mode
                } else {
                    partial_frame_buffer_ = payload;
                    expecting_continuation_ = true;
                    continuation_opcode_ = opcode;
                }
                break;
                
            case 0x8: 
                {
                    uint16_t close_code = 1000;
                    std::string close_reason;
                    if (payload.size() >= 2) {
                        close_code = (payload[0] << 8) | payload[1];
                        if (payload.size() > 2) {
                            close_reason = std::string(payload.begin() + 2, payload.end());
                        }
                    }
                    fireCloseEvent(close_code, close_reason);
                    return false; 
                }
                break;
                
            case 0x9: 
                {
                    std::vector<uint8_t> pongFrame = createPongFrame(payload);
                    int sock = static_cast<int>(reinterpret_cast<intptr_t>(ws_));
                    
                    int sendResult;
                    if (is_ssl_ && isSSLReady()) {
                        sendResult = webSocketSSLSend(pongFrame.data(), static_cast<int>(pongFrame.size()));
                    } else {
                        sendResult = ::send(sock, reinterpret_cast<const char*>(pongFrame.data()), static_cast<int>(pongFrame.size()), 0);
                    }
                    #ifdef DEBUG_NETWORK
                    if (sendResult > 0) {
                        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Sent pong response");
                    }
					#endif
                }
                break;
                
            case 0xA: 
			    #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Received pong frame");
				#endif
                break;
                
            case 0x3: case 0x4: case 0x5: case 0x6: case 0x7: // non-control frames
            case 0xB: case 0xC: case 0xD: case 0xE: case 0xF: // control frames
                // RFC 6455: reserved opcodes we skip the frame but continue processing
				#ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_WARNING, "WebSocket: Received reserved opcode %d, skipping frame", opcode);
                #endif
				break;
                
            default:
				#ifdef DEBUG_NETWORK
                // invalid opcode indicates frame misalignment so we try to recover
                kinc_log(KINC_LOG_LEVEL_WARNING, "WebSocket: Invalid opcode %d - possible frame misalignment", opcode);
                // we dont return false we allow message loop to continue with fresh data
				#endif
                break;
        }
        
        return true;
    }
    
    // RFC 6455 frame creation
    std::vector<uint8_t> WebSocketClient::createWebSocketFrame(const std::string& message, uint8_t opcode) {
        std::vector<uint8_t> frame;
        
        // first byte: FIN (1) + RSV (000) + Opcode (4 bits)
        frame.push_back(0x80 | opcode);
        
        uint64_t payload_length = message.length();
        uint32_t mask_key = rand() | (rand() << 16); 
        
        if (payload_length < 126) {
            frame.push_back(0x80 | static_cast<uint8_t>(payload_length)); // MASK (1) + length
        } else if (payload_length < 65536) {
            frame.push_back(0x80 | 126); // MASK (1) + 126
            frame.push_back(static_cast<uint8_t>(payload_length >> 8));
            frame.push_back(static_cast<uint8_t>(payload_length & 0xFF));
        } else {
            frame.push_back(0x80 | 127); // MASK (1) + 127
            for (int i = 7; i >= 0; i--) {
                frame.push_back(static_cast<uint8_t>((payload_length >> (i * 8)) & 0xFF));
            }
        }
        
        frame.push_back(static_cast<uint8_t>(mask_key >> 24));
        frame.push_back(static_cast<uint8_t>(mask_key >> 16));
        frame.push_back(static_cast<uint8_t>(mask_key >> 8));
        frame.push_back(static_cast<uint8_t>(mask_key));
        
        std::vector<uint8_t> payload(message.begin(), message.end());
        maskData(payload, mask_key);
        frame.insert(frame.end(), payload.begin(), payload.end());
        
        return frame;
    }
    
    std::vector<uint8_t> WebSocketClient::createWebSocketBinaryFrame(const std::string& data) {
        return createWebSocketFrame(data, 0x02);
    }
    
    std::vector<uint8_t> WebSocketClient::createCloseFrame(uint16_t code, const std::string& reason) {
        std::vector<uint8_t> payload;
        payload.push_back(static_cast<uint8_t>(code >> 8));
        payload.push_back(static_cast<uint8_t>(code & 0xFF));
        payload.insert(payload.end(), reason.begin(), reason.end());
        
        return createWebSocketFrame(std::string(payload.begin(), payload.end()), 0x8);
    }
    
    std::vector<uint8_t> WebSocketClient::createPongFrame(const std::vector<uint8_t>& payload) {
        std::string payloadStr(payload.begin(), payload.end());
        return createWebSocketFrame(payloadStr, 0xA);
    }
    
    std::string WebSocketClient::generateWebSocketKey() {
        std::vector<uint8_t> key(16);
        for (int i = 0; i < 16; i++) {
            key[i] = rand() & 0xFF;
        }
        return base64Encode(key);
    }
    
    std::string WebSocketClient::base64Encode(const std::vector<uint8_t>& data) {
        static const char* chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
        std::string result;
        int pad = data.size() % 3;
        
        for (size_t i = 0; i < data.size(); i += 3) {
            uint32_t tmp = (data[i] << 16);
            if (i + 1 < data.size()) tmp |= (data[i + 1] << 8);
            if (i + 2 < data.size()) tmp |= data[i + 2];
            
            result += chars[(tmp >> 18) & 0x3F];
            result += chars[(tmp >> 12) & 0x3F];
            result += (i + 1 < data.size()) ? chars[(tmp >> 6) & 0x3F] : '=';
            result += (i + 2 < data.size()) ? chars[tmp & 0x3F] : '=';
        }
        
        return result;
    }
    
    // SHA1 hash using Windows CryptoAPI
    std::vector<uint8_t> WebSocketClient::sha1Hash(const std::string& data) {
        #ifdef _WIN32
        HCRYPTPROV hProv = 0;
        HCRYPTHASH hHash = 0;
        std::vector<uint8_t> result(20, 0);
        DWORD hashLen = 20;
        
        try {
            if (!CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: CryptAcquireContext failed");
                return result;
            }
            
            if (!CryptCreateHash(hProv, CALG_SHA1, 0, 0, &hHash)) {
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: CryptCreateHash failed");
                CryptReleaseContext(hProv, 0);
                return result;
            }
            
            if (!CryptHashData(hHash, reinterpret_cast<const BYTE*>(data.c_str()), static_cast<DWORD>(data.length()), 0)) {
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: CryptHashData failed");
                CryptDestroyHash(hHash);
                CryptReleaseContext(hProv, 0);
                return result;
            }
            
            if (!CryptGetHashParam(hHash, HP_HASHVAL, result.data(), &hashLen, 0)) {
                kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: CryptGetHashParam failed");
                CryptDestroyHash(hHash);
                CryptReleaseContext(hProv, 0);
                return result;
            }
            
            CryptDestroyHash(hHash);
            CryptReleaseContext(hProv, 0);
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SHA1 hash computed successfully");
			#endif
            return result;
            
        } catch (const std::exception& e) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SHA1 hash error: %s", e.what());
            if (hHash) CryptDestroyHash(hHash);
            if (hProv) CryptReleaseContext(hProv, 0);
            return result;
        }
        #else
        // TODO: SHA1
        kinc_log(KINC_LOG_LEVEL_WARNING, "WebSocket: SHA1 not implemented for this platform");
        return std::vector<uint8_t>(20, 0);
        #endif
    }
    
    // masking with SIMD optimization
    void WebSocketClient::maskData(std::vector<uint8_t>& data, uint32_t maskKey) {
        uint8_t mask[4] = {
            static_cast<uint8_t>(maskKey >> 24),
            static_cast<uint8_t>(maskKey >> 16),
            static_cast<uint8_t>(maskKey >> 8),
            static_cast<uint8_t>(maskKey)
        };
        
        size_t len = data.size();
        uint8_t* ptr = data.data();
        
        #ifdef _WIN32
        if (len >= 16) {
            // byte rotation: mask[0,1,2,3,0,1,2,3,...]
            __m128i mask_vec = _mm_set_epi8(
                mask[3], mask[2], mask[1], mask[0],  // bytes 12-15
                mask[3], mask[2], mask[1], mask[0],  // bytes 8-11  
                mask[3], mask[2], mask[1], mask[0],  // bytes 4-7
                mask[3], mask[2], mask[1], mask[0]   // bytes 0-3
            );
            
            size_t simd_len = len & ~15; 
            
            for (size_t i = 0; i < simd_len; i += 16) {
                __m128i data_vec = _mm_loadu_si128((__m128i*)(ptr + i));
                __m128i result = _mm_xor_si128(data_vec, mask_vec);
                _mm_storeu_si128((__m128i*)(ptr + i), result);
            }
            
            for (size_t i = simd_len; i < len; i++) {
                ptr[i] ^= mask[i % 4];
            }
        } else
        #endif
        {
            // fallback to scalar implementation
            for (size_t i = 0; i < len; i++) {
                ptr[i] ^= mask[i % 4];
            }
        }
    }
    
    bool WebSocketClient::initializeWebSocketSSL(int sock, const std::string& host) {
        #ifdef WITH_SSL
        #ifdef _WIN32
        if (ssl_context_initialized_) {
            return true;
        }
        
        ssl_socket_ = sock;
        
        if (!initWSL()) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to initialize SSL context");
            return false;
        }
        
        if (!performWSLHandshake(sock, host)) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL handshake failed");
            cleanupWSL();
            return false;
        }
        
        ssl_context_initialized_ = true;
		#ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL/TLS initialized successfully");
		#endif
        return true;
        #else
        if (ssl_initialized_) {
            return true;
        }
        // TODO: OpenSSL 
        kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL not supported on this platform");
        return false;
        #endif
        #else
        kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL not compiled in");
        return false;
        #endif
    }
    
    void WebSocketClient::cleanupWebSocketSSL() {
        #ifdef WITH_SSL
        #ifdef _WIN32
        if (ssl_context_initialized_) {
            cleanupWSL();
            ssl_context_initialized_ = false;
            ssl_socket_ = -1;
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL/TLS cleaned up");
        }
        #else
        if (ssl_initialized_) {
            // TODO: OpenSSL cleanup 
            ssl_initialized_ = false;
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL/TLS cleaned up");
        }
        #endif
        #endif
    }
    
    int WebSocketClient::webSocketSSLSend(const void* data, int len) {
        return webSocketSSLSend(reinterpret_cast<const char*>(data), len);
    }

    #ifdef WITH_SSL
    bool WebSocketClient::initWSL() {
        #ifdef _WIN32
        if (ssl_context_initialized_) {
            return true;
        }
        
        ssl_cred_handle_ = new CredHandle();
        memset(ssl_cred_handle_, 0, sizeof(CredHandle));
        
        SCHANNEL_CRED cred = {0};
        cred.dwVersion = SCHANNEL_CRED_VERSION;
        cred.grbitEnabledProtocols = SP_PROT_TLS1_2 | SP_PROT_TLS1_1;
        cred.dwFlags = SCH_CRED_AUTO_CRED_VALIDATION | SCH_CRED_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
        cred.dwMinimumCipherStrength = 0;
        cred.dwMaximumCipherStrength = 0;
        
        SECURITY_STATUS status = AcquireCredentialsHandleA(
            NULL, const_cast<LPSTR>(UNISP_NAME_A), SECPKG_CRED_OUTBOUND, NULL, &cred, NULL, NULL, 
            reinterpret_cast<PCredHandle>(ssl_cred_handle_), NULL);
        
        if (status != SEC_E_OK) {
            const char* cred_error_desc = "Unknown credential error";
            switch (status) {
                case SEC_E_SECPKG_NOT_FOUND: cred_error_desc = "SEC_E_SECPKG_NOT_FOUND - Security package not found"; break;
                case SEC_E_NOT_OWNER: cred_error_desc = "SEC_E_NOT_OWNER - Not owner"; break;
                case SEC_E_CANNOT_INSTALL: cred_error_desc = "SEC_E_CANNOT_INSTALL - Cannot install"; break;
                case SEC_E_INVALID_TOKEN: cred_error_desc = "SEC_E_INVALID_TOKEN - Invalid token"; break;
                case SEC_E_LOGON_DENIED: cred_error_desc = "SEC_E_LOGON_DENIED - Logon denied"; break;
            }
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to acquire WebSocket SSL credentials: 0x%x (%s)", status, cred_error_desc);
            if (ssl_cred_handle_) {
                delete reinterpret_cast<CredHandle*>(ssl_cred_handle_);
                ssl_cred_handle_ = nullptr;
            }
            return false;
        }
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Successfully acquired WebSocket SSL credentials");
        
        ssl_context_initialized_ = true;
        return true;
        #else
        if (ssl_initialized_) {
            return true;
        }
        
        SSL_library_init();
        SSL_load_error_strings();
        OpenSSL_add_all_algorithms();
        
        ssl_ctx_ = SSL_CTX_new(TLS_client_method());
        if (!ssl_ctx_) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to create WebSocket SSL context");
            return false;
        }
        
        SSL_CTX_set_options(ssl_ctx_, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
        SSL_CTX_set_verify(ssl_ctx_, SSL_VERIFY_PEER, NULL);
        SSL_CTX_set_default_verify_paths(ssl_ctx_);
        
        ssl_initialized_ = true;
        return true;
        #endif
    }

    void WebSocketClient::cleanupWSL() {
        #ifdef _WIN32
        if (ssl_context_initialized_) {
            if (ssl_context_handle_) {
                DeleteSecurityContext(reinterpret_cast<PCtxtHandle>(ssl_context_handle_));
                delete reinterpret_cast<CtxtHandle*>(ssl_context_handle_);
                ssl_context_handle_ = nullptr;
            }
            if (ssl_cred_handle_) {
                FreeCredentialsHandle(reinterpret_cast<PCredHandle>(ssl_cred_handle_));
                delete reinterpret_cast<CredHandle*>(ssl_cred_handle_);
                ssl_cred_handle_ = nullptr;
            }
            ssl_context_initialized_ = false;
        }
        ssl_buffer_.clear();
        ssl_socket_ = -1;
        #else
        if (ssl_) {
            SSL_free(ssl_);
            ssl_ = nullptr;
        }
        if (ssl_ctx_) {
            SSL_CTX_free(ssl_ctx_);
            ssl_ctx_ = nullptr;
        }
        ssl_initialized_ = false;
        #endif
    }

    bool WebSocketClient::performWSLHandshake(int socket, const std::string& host) {
        if (!initWSL()) {
            return false;
        }
        
        ssl_socket_ = socket; 
        
        #ifdef _WIN32
        kinc_log(KINC_LOG_LEVEL_INFO, "Performing SChannel WebSocket SSL handshake...");
        
        SecBufferDesc outbuffer_desc, inbuffer_desc;
        SecBuffer outbuffers[1], inbuffers[2];
        DWORD context_attributes;
        TimeStamp expiry;
        
        outbuffers[0].pvBuffer = nullptr;
        outbuffers[0].BufferType = SECBUFFER_TOKEN;
        outbuffers[0].cbBuffer = 0;
        outbuffer_desc.cBuffers = 1;
        outbuffer_desc.pBuffers = outbuffers;
        outbuffer_desc.ulVersion = SECBUFFER_VERSION;
        inbuffers[0].pvBuffer = nullptr;
        inbuffers[0].BufferType = SECBUFFER_TOKEN;
        inbuffers[0].cbBuffer = 0;
        inbuffers[1].pvBuffer = nullptr;
        inbuffers[1].BufferType = SECBUFFER_EMPTY;
        inbuffers[1].cbBuffer = 0;
        inbuffer_desc.cBuffers = 2;
        inbuffer_desc.pBuffers = inbuffers;
        inbuffer_desc.ulVersion = SECBUFFER_VERSION;
        SECURITY_STATUS status = SEC_I_CONTINUE_NEEDED;
        bool first_call = true;
        
        std::vector<char> handshake_buffer;
        
        while (status == SEC_I_CONTINUE_NEEDED || status == SEC_E_INCOMPLETE_MESSAGE) {
            if (first_call) {
                // the initial call / first call should use NULL for phContext and allocate CtxtHandle structure for the output
                ssl_context_handle_ = new CtxtHandle();
                memset(ssl_context_handle_, 0, sizeof(CtxtHandle));
                
                kinc_log(KINC_LOG_LEVEL_INFO, "Calling InitializeSecurityContextA for WebSocket first handshake...");
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket buffer before call: cbBuffer=%d, pvBuffer=%p", outbuffers[0].cbBuffer, outbuffers[0].pvBuffer);
                
                status = InitializeSecurityContextA(
                    reinterpret_cast<PCredHandle>(ssl_cred_handle_),
                    nullptr,  
                    const_cast<char*>(host.c_str()),
                    ISC_REQ_SEQUENCE_DETECT | ISC_REQ_REPLAY_DETECT | 
                    ISC_REQ_CONFIDENTIALITY | ISC_REQ_EXTENDED_ERROR | 
                    ISC_REQ_ALLOCATE_MEMORY | ISC_REQ_STREAM,
                    0, SECURITY_NATIVE_DREP, nullptr, 0,
                    reinterpret_cast<PCtxtHandle>(ssl_context_handle_), 
                    &outbuffer_desc, &context_attributes, &expiry);
                
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket InitializeSecurityContextA result: status=0x%x", status);
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket buffer after call: cbBuffer=%d, pvBuffer=%p", outbuffers[0].cbBuffer, outbuffers[0].pvBuffer);
                
                if (status != SEC_I_CONTINUE_NEEDED && status != SEC_E_OK) {
                    const char* init_error_desc = "Unknown initialization error";
                    switch (status) {
                        case SEC_E_INVALID_HANDLE: init_error_desc = "SEC_E_INVALID_HANDLE - Invalid handle"; break;
                        case SEC_E_INVALID_TOKEN: init_error_desc = "SEC_E_INVALID_TOKEN - Invalid token"; break;
                        case SEC_E_LOGON_DENIED: init_error_desc = "SEC_E_LOGON_DENIED - Logon denied"; break;
                        case SEC_E_TARGET_UNKNOWN: init_error_desc = "SEC_E_TARGET_UNKNOWN - Target unknown"; break;
                        case SEC_E_INTERNAL_ERROR: init_error_desc = "SEC_E_INTERNAL_ERROR - Internal error"; break;
                        case SEC_E_SECPKG_NOT_FOUND: init_error_desc = "SEC_E_SECPKG_NOT_FOUND - Security package not found"; break;
                    }
                    kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket InitializeSecurityContextA failed: 0x%x (%s)", status, init_error_desc);
                    if (ssl_context_handle_) {
                        delete reinterpret_cast<CtxtHandle*>(ssl_context_handle_);
                        ssl_context_handle_ = nullptr;
                    }
                    return false;
                }
                
                first_call = false;
            } else {
                outbuffers[0].pvBuffer = nullptr;
                outbuffers[0].BufferType = SECBUFFER_TOKEN;
                outbuffers[0].cbBuffer = 0;
                
                if (!handshake_buffer.empty()) {
                    inbuffers[0].pvBuffer = handshake_buffer.data();
                    inbuffers[0].cbBuffer = static_cast<unsigned long>(handshake_buffer.size());
                    inbuffers[0].BufferType = SECBUFFER_TOKEN;
                    inbuffers[1].pvBuffer = nullptr;
                    inbuffers[1].BufferType = SECBUFFER_EMPTY;
                    inbuffers[1].cbBuffer = 0;
                }
                
                kinc_log(KINC_LOG_LEVEL_INFO, "Calling InitializeSecurityContextA for WebSocket continuation handshake...");
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket input buffer: cbBuffer=%d, pvBuffer=%p", inbuffers[0].cbBuffer, inbuffers[0].pvBuffer);
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket context handle: %p", ssl_context_handle_);
                
                status = InitializeSecurityContextA(
                    reinterpret_cast<PCredHandle>(ssl_cred_handle_),
                    reinterpret_cast<PCtxtHandle>(ssl_context_handle_),
                    const_cast<char*>(host.c_str()),
                    ISC_REQ_SEQUENCE_DETECT | ISC_REQ_REPLAY_DETECT | 
                    ISC_REQ_CONFIDENTIALITY | ISC_REQ_EXTENDED_ERROR | 
                    ISC_REQ_ALLOCATE_MEMORY | ISC_REQ_STREAM,
                    0, SECURITY_NATIVE_DREP, &inbuffer_desc, 0,
                    reinterpret_cast<PCtxtHandle>(ssl_context_handle_),
                    &outbuffer_desc, &context_attributes, &expiry);
                
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket continuation InitializeSecurityContextA result: status=0x%x", status);
                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket output buffer after continuation: cbBuffer=%d, pvBuffer=%p", outbuffers[0].cbBuffer, outbuffers[0].pvBuffer);
                
                // handle for some data consumed, check for extra data in the buffer and move to front
                if (status == SEC_E_OK || status == SEC_I_CONTINUE_NEEDED) {
                    // 
                    if (inbuffers[1].BufferType == SECBUFFER_EXTRA && inbuffers[1].cbBuffer > 0) {
                        size_t extra_size = inbuffers[1].cbBuffer;
                        size_t consumed = handshake_buffer.size() - extra_size;
                        std::memmove(handshake_buffer.data(), handshake_buffer.data() + consumed, extra_size);
                        handshake_buffer.resize(extra_size);
                    } else {
                        handshake_buffer.clear();
                    }
                }
            }
            
            if (status == SEC_I_CONTINUE_NEEDED && 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);
                    if (outbuffers[0].pvBuffer) FreeContextBuffer(outbuffers[0].pvBuffer);
                    return false;
                }
                
                kinc_log(KINC_LOG_LEVEL_INFO, "Sending WebSocket SSL handshake data: %d bytes", outbuffers[0].cbBuffer);
                int sent = ::send(socket, static_cast<char*>(outbuffers[0].pvBuffer), 
                                outbuffers[0].cbBuffer, 0);
                if (sent <= 0) {
                    int error = WSAGetLastError();
                    const char* error_desc = "Unknown socket error";
                    switch (error) {
                        case WSAENOTCONN: error_desc = "WSAENOTCONN - Socket is not connected"; break;
                        case WSAECONNRESET: error_desc = "WSAECONNRESET - Connection reset by peer"; break;
                        case WSAEWOULDBLOCK: error_desc = "WSAEWOULDBLOCK - Resource temporarily unavailable"; break;
                        case WSAENETDOWN: error_desc = "WSAENETDOWN - Network is down"; break;
                        case WSAEFAULT: error_desc = "WSAEFAULT - Bad address"; break;
                        case WSAEINVAL: error_desc = "WSAEINVAL - Invalid argument"; break;
                        case WSAENOTSOCK: error_desc = "WSAENOTSOCK - Socket operation on non-socket"; break;
                    }
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to send WebSocket SSL handshake data: sent=%d, error=%d (%s)", sent, error, error_desc);
                    if (outbuffers[0].pvBuffer) FreeContextBuffer(outbuffers[0].pvBuffer);
                    return false;
                }
                kinc_log(KINC_LOG_LEVEL_INFO, "Successfully sent WebSocket SSL handshake data: %d bytes", sent);
                FreeContextBuffer(outbuffers[0].pvBuffer);
                outbuffers[0].pvBuffer = nullptr;
                outbuffers[0].cbBuffer = 0;
            }
            
            if (status == SEC_I_CONTINUE_NEEDED || status == SEC_E_INCOMPLETE_MESSAGE) {
                char recv_buffer[SocketOptimization::SMALL_BUFFER_SIZE];
                kinc_log(KINC_LOG_LEVEL_INFO, "Waiting to receive WebSocket SSL handshake response...");
                int received = ::recv(socket, recv_buffer, sizeof(recv_buffer), 0);
                if (received <= 0) {
                    int error = WSAGetLastError();
                    const char* error_desc = "Unknown socket error";
                    switch (error) {
                        case WSAENOTCONN: error_desc = "WSAENOTCONN - Socket is not connected"; break;
                        case WSAECONNRESET: error_desc = "WSAECONNRESET - Connection reset by peer"; break;
                        case WSAEWOULDBLOCK: error_desc = "WSAEWOULDBLOCK - Resource temporarily unavailable"; break;
                        case WSAENETDOWN: error_desc = "WSAENETDOWN - Network is down"; break;
                        case WSAEFAULT: error_desc = "WSAEFAULT - Bad address"; break;
                        case WSAEINVAL: error_desc = "WSAEINVAL - Invalid argument"; break;
                        case WSAENOTSOCK: error_desc = "WSAENOTSOCK - Socket operation on non-socket"; break;
                        case WSAECONNABORTED: error_desc = "WSAECONNABORTED - Connection aborted"; break;
                    }
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to receive WebSocket SSL handshake response: received=%d, error=%d (%s)", received, error, error_desc);
                    return false;
                }
                kinc_log(KINC_LOG_LEVEL_INFO, "Received WebSocket SSL handshake response: %d bytes", received);
                
                handshake_buffer.insert(handshake_buffer.end(), recv_buffer, recv_buffer + received);
            }
        }
        
        if (status == SEC_E_OK) {
            ssl_context_initialized_ = true;
            kinc_log(KINC_LOG_LEVEL_INFO, "SChannel WebSocket SSL handshake completed successfully");
            return true;
        } else {
            const char* error_desc = "Unknown error";
            switch (status) {
                case SEC_E_LOGON_DENIED: error_desc = "SEC_E_LOGON_DENIED - The logon attempt failed"; break;
                case SEC_E_INVALID_TOKEN: error_desc = "SEC_E_INVALID_TOKEN - Invalid security token"; break;
                case SEC_E_INVALID_HANDLE: error_desc = "SEC_E_INVALID_HANDLE - Invalid handle"; break;
                case SEC_E_INTERNAL_ERROR: error_desc = "SEC_E_INTERNAL_ERROR - Internal error"; break;
                case SEC_E_NO_CREDENTIALS: error_desc = "SEC_E_NO_CREDENTIALS - No credentials available"; break;
                case SEC_E_WRONG_PRINCIPAL: error_desc = "SEC_E_WRONG_PRINCIPAL - Wrong principal"; break;
                case SEC_E_CERT_EXPIRED: error_desc = "SEC_E_CERT_EXPIRED - Certificate expired"; break;
                case SEC_E_CERT_UNKNOWN: error_desc = "SEC_E_CERT_UNKNOWN - Certificate unknown"; break;
                case SEC_E_UNTRUSTED_ROOT: error_desc = "SEC_E_UNTRUSTED_ROOT - Untrusted root certificate"; break;
            }
            kinc_log(KINC_LOG_LEVEL_ERROR, "SChannel WebSocket SSL handshake failed with status: 0x%x (%s)", status, error_desc);
            return false;
        }
        
        #else
        ssl_ = SSL_new(ssl_ctx_);
        if (!ssl_) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to create WebSocket SSL structure");
            return false;
        }
        
        if (SSL_set_fd(ssl_, socket) != 1) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to set WebSocket SSL socket");
            SSL_free(ssl_);
            ssl_ = nullptr;
            return false;
        }
        
        SSL_set_tlsext_host_name(ssl_, host.c_str());
        
        int result = SSL_connect(ssl_);
        if (result != 1) {
            int error = SSL_get_error(ssl_, result);
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket SSL handshake failed: %d", error);
            SSL_free(ssl_);
            ssl_ = nullptr;
            return false;
        }
        
        ssl_initialized_ = true;
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket OpenSSL handshake completed successfully");
        return true;
        #endif
    }

    int WebSocketClient::wslRead(char* buffer, int length) {
        #ifdef _WIN32
        if (!ssl_context_initialized_) {
            return -1;
        }
        
        while (true) {
            if (!ssl_buffer_.empty()) {
                SecBufferDesc message_desc;
                SecBuffer message_buffers[4];
                message_desc.ulVersion = SECBUFFER_VERSION;
                message_desc.cBuffers = 4;
                message_desc.pBuffers = message_buffers;
                message_buffers[0].BufferType = SECBUFFER_DATA;
                message_buffers[0].pvBuffer = ssl_buffer_.data();
                message_buffers[0].cbBuffer = static_cast<unsigned long>(ssl_buffer_.size());
                message_buffers[1].BufferType = SECBUFFER_EMPTY;
                message_buffers[1].pvBuffer = nullptr;
                message_buffers[1].cbBuffer = 0;
                message_buffers[2].BufferType = SECBUFFER_EMPTY;
                message_buffers[2].pvBuffer = nullptr;
                message_buffers[2].cbBuffer = 0;
                message_buffers[3].BufferType = SECBUFFER_EMPTY;
                message_buffers[3].pvBuffer = nullptr;
                message_buffers[3].cbBuffer = 0;
                
                SECURITY_STATUS status = DecryptMessage(
                    reinterpret_cast<PCtxtHandle>(ssl_context_handle_), 
                    &message_desc, 0, nullptr);
                
                if (status == SEC_E_OK) {
                    SecBuffer* data_buffer = nullptr;
                    SecBuffer* extra_buffer = nullptr;
                    
                    for (int i = 0; i < 4; i++) {
                        if (message_buffers[i].BufferType == SECBUFFER_DATA) {
                            data_buffer = &message_buffers[i];
                        } else if (message_buffers[i].BufferType == SECBUFFER_EXTRA) {
                            extra_buffer = &message_buffers[i];
                        }
                    }
                    
                    if (data_buffer && data_buffer->cbBuffer > 0) {
                        int bytes_to_copy = (std::min)(length, static_cast<int>(data_buffer->cbBuffer));
                        memcpy(buffer, data_buffer->pvBuffer, bytes_to_copy);
                        
                        if (extra_buffer && extra_buffer->cbBuffer > 0) {
                            std::memmove(ssl_buffer_.data(), extra_buffer->pvBuffer, extra_buffer->cbBuffer);
                            ssl_buffer_.resize(extra_buffer->cbBuffer);
                        } else {
                            ssl_buffer_.clear();
                        }
                        
                        return bytes_to_copy;
                    }
                    
                    ssl_buffer_.clear();
                    
                } else if (status == SEC_E_INCOMPLETE_MESSAGE) {
                    // Need more encrypted data, read from socket
                    kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL incomplete message detected (status=0x%x, SEC_E_INCOMPLETE_MESSAGE=0x%x), reading more data (buffer size: %zu)", status, SEC_E_INCOMPLETE_MESSAGE, ssl_buffer_.size());
                    
                    char recv_buffer[SocketOptimization::SMALL_BUFFER_SIZE];
                    int received = ::recv(ssl_socket_, recv_buffer, sizeof(recv_buffer), 0);
                    if (received <= 0) {
                        if (received == 0) {
                            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL connection closed by server during read");
                        } else {
                            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to receive encrypted data: %d (WSAError: %d)", received, WSAGetLastError());
                        }
                        return -1;
                    }
                    
                    size_t old_size = ssl_buffer_.size();
                    ssl_buffer_.insert(ssl_buffer_.end(), recv_buffer, recv_buffer + received);
                    kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Added %d bytes to SSL buffer (total: %zu -> %zu)", received, old_size, ssl_buffer_.size());
                    continue;
                    
                } else if (status == 0x90317) {
                    // incomplete message error
                    kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Detected incomplete message error (0x90317), buffer size: %zu", ssl_buffer_.size());
                    
                    // log the actual buffer content as hex to see what we received
                    if (ssl_buffer_.size() > 0) {
                        std::string hex_preview;
                        for (size_t i = 0; i < (std::min)(static_cast<size_t>(31), ssl_buffer_.size()); i++) {
                            char hex_byte[4];
                            sprintf(hex_byte, "%02X ", (unsigned char)ssl_buffer_[i]);
                            hex_preview += hex_byte;
                        }
                        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL buffer hex (first %d bytes): %s", 
                                static_cast<int>((std::min)(static_cast<size_t>(31), ssl_buffer_.size())), hex_preview.c_str());
                        
                        // check for ssl alert record type 0x15
                        if (ssl_buffer_.size() >= 5 && ssl_buffer_[0] == 0x15) {
                            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Detected SSL Alert record (0x15) - server rejected handshake");
                            if (ssl_buffer_.size() >= 7) {
                                uint8_t alert_level = ssl_buffer_[5];
                                uint8_t alert_desc = ssl_buffer_[6];
                                kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL Alert - Level: %d, Description: %d", alert_level, alert_desc);
                            }
                        } else if (ssl_buffer_.size() >= 1) {
                            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL record type: 0x%02X", (unsigned char)ssl_buffer_[0]);
                        }
                    }
                    
                    // try a smaller read first to see if server has more data
                    char recv_buffer[SocketOptimization::SMALL_BUFFER_SIZE / 8];
                    int received = ::recv(ssl_socket_, recv_buffer, sizeof(recv_buffer), 0);
                    if (received <= 0) {
                        if (received == 0) {
                            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL connection closed by server - may be complete response");
                            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Attempting to process existing buffer as complete response");
                            return -1;
                        } else {
                            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: Failed to receive encrypted data: %d (WSAError: %d)", received, WSAGetLastError());
                        }
                        return -1;
                    }
                    
                    size_t old_size = ssl_buffer_.size();
                    ssl_buffer_.insert(ssl_buffer_.end(), recv_buffer, recv_buffer + received);
                    kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: Added %d bytes to SSL buffer (total: %zu -> %zu)", received, old_size, ssl_buffer_.size());
                    continue;
                    
                } else {
                    const char* status_desc = "Unknown SSL error";
                    switch (status) {
                        case SEC_E_INVALID_TOKEN: status_desc = "SEC_E_INVALID_TOKEN - Invalid token"; break;
                        case SEC_E_INVALID_HANDLE: status_desc = "SEC_E_INVALID_HANDLE - Invalid handle"; break;
                        case SEC_E_MESSAGE_ALTERED: status_desc = "SEC_E_MESSAGE_ALTERED - Message altered"; break;
                        case SEC_E_OUT_OF_SEQUENCE: status_desc = "SEC_E_OUT_OF_SEQUENCE - Out of sequence"; break;
                        case SEC_E_NO_AUTHENTICATING_AUTHORITY: status_desc = "SEC_E_NO_AUTHENTICATING_AUTHORITY - No auth authority"; break;
                        case 0x90317: status_desc = "0x90317 - Incomplete message (should be handled above)"; break;
                    }
                    kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SChannel decrypt failed: 0x%x (%s) - buffer size: %zu, SEC_E_INCOMPLETE_MESSAGE=0x%x", status, status_desc, ssl_buffer_.size(), SEC_E_INCOMPLETE_MESSAGE);
                    return -1;
                }
            }
            
            char recv_buffer[SocketOptimization::SMALL_BUFFER_SIZE];
            int received = ::recv(ssl_socket_, recv_buffer, sizeof(recv_buffer), 0);
            if (received <= 0) {
                if (received == 0) {
                    return 0;
                }
                kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to receive encrypted data for WebSocket: %d", received);
                return -1;
            }
            
            ssl_buffer_.insert(ssl_buffer_.end(), recv_buffer, recv_buffer + received);
            // retry decryption
        }
        
        #else
        if (!ssl_) {
            return -1;
        }
        
        int bytes_read = SSL_read(ssl_, buffer, length);
        if (bytes_read <= 0) {
            int error = SSL_get_error(ssl_, bytes_read);
            if (error == SSL_ERROR_WANT_READ || error == SSL_ERROR_WANT_WRITE) {
                return 0; 
            }
            return -1;
        }
        return bytes_read;
        #endif
    }

    int WebSocketClient::webSocketSSLSend(const char* buffer, int length) {
        #ifdef WITH_SSL
        #ifdef _WIN32
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: webSocketSSLSend(const char*) called, length=%d, ssl_initialized=%d", length, ssl_context_initialized_ ? 1 : 0);
        
        if (!ssl_context_initialized_) {
            kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL not initialized, using plain send");
            return ::send(ssl_socket_, buffer, length, 0);
        }
        
        SecBufferDesc message_desc;
        SecBuffer message_buffers[4];
        
        SecPkgContext_StreamSizes stream_sizes;
        SECURITY_STATUS status = QueryContextAttributesA(
            static_cast<PCtxtHandle>(ssl_context_handle_),
            SECPKG_ATTR_STREAM_SIZES, &stream_sizes);
            
        if (status != SEC_E_OK) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to get WebSocket stream sizes: 0x%x", status);
            return -1;
        }
        
        int total_size = stream_sizes.cbHeader + length + stream_sizes.cbTrailer;
        char* encrypt_buffer = new char[total_size];
        
        message_desc.ulVersion = SECBUFFER_VERSION;
        message_desc.cBuffers = 4;
        message_desc.pBuffers = message_buffers;
        
        message_buffers[0].BufferType = SECBUFFER_STREAM_HEADER;
        message_buffers[0].pvBuffer = encrypt_buffer;
        message_buffers[0].cbBuffer = stream_sizes.cbHeader;
        
        message_buffers[1].BufferType = SECBUFFER_DATA;
        message_buffers[1].pvBuffer = encrypt_buffer + stream_sizes.cbHeader;
        message_buffers[1].cbBuffer = length;
        memcpy(message_buffers[1].pvBuffer, buffer, length);
        
        message_buffers[2].BufferType = SECBUFFER_STREAM_TRAILER;
        message_buffers[2].pvBuffer = encrypt_buffer + stream_sizes.cbHeader + length;
        message_buffers[2].cbBuffer = stream_sizes.cbTrailer;
        
        message_buffers[3].BufferType = SECBUFFER_EMPTY;
        message_buffers[3].pvBuffer = nullptr;
        message_buffers[3].cbBuffer = 0;
        
        status = EncryptMessage(
            static_cast<PCtxtHandle>(ssl_context_handle_),
            0, &message_desc, 0);
            
        if (status != SEC_E_OK) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket SChannel encrypt failed: 0x%x", status);
            delete[] encrypt_buffer;
            return -1;
        }
        
        // calculate encrypted size and send to socket
        int encrypted_size = message_buffers[0].cbBuffer + message_buffers[1].cbBuffer + message_buffers[2].cbBuffer;
        int bytes_sent = ::send(ssl_socket_, encrypt_buffer, encrypted_size, 0);
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "WebSocket: SSL send - encrypted %d bytes, sent %d bytes", encrypted_size, bytes_sent);
        #endif
        
        delete[] encrypt_buffer;
        
        if (bytes_sent <= 0) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "WebSocket: SSL send failed: %d", WSAGetLastError());
            return -1;
        }
        
        return length;
        #else
        if (!ssl_) {
            return -1;
        }
        
        int bytes_written = SSL_write(ssl_, buffer, length);
        if (bytes_written <= 0) {
            int error = SSL_get_error(ssl_, bytes_written);
            if (error == SSL_ERROR_WANT_READ || error == SSL_ERROR_WANT_WRITE) {
                return 0;
            }
            return -1; 
        }
        return bytes_written;
        #endif
        #else
        return ::send(ssl_socket_, buffer, length, 0);
        #endif
    }

    std::string WebSocketClient::base64Encode(const std::string& data) {
        const char* chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
        std::string result;
        int i = 0;
        unsigned char char_array_3[3];
        unsigned char char_array_4[4];
        
        const char* bytes_to_encode = data.c_str();
        int in_len = static_cast<int>(data.length());
        
        while (in_len--) {
            char_array_3[i++] = *(bytes_to_encode++);
            if (i == 3) {
                char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
                char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
                char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
                char_array_4[3] = char_array_3[2] & 0x3f;
                
                for (i = 0; i < 4; i++) {
                    result += chars[char_array_4[i]];
                }
                i = 0;
            }
        }
        
        if (i) {
            for (int j = i; j < 3; j++) {
                char_array_3[j] = '\0';
            }
            
            char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
            char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
            char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
            char_array_4[3] = char_array_3[2] & 0x3f;
            
            for (int j = 0; j < i + 1; j++) {
                result += chars[char_array_4[j]];
            }
            
            while (i++ < 3) {
                result += '=';
            }
        }
        
        return result;
    }
    #endif
}

void runt_websocket_create(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsString()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "URL required").ToLocalChecked()));
        return;
    }
    
    String::Utf8Value url(isolate, args[0]);
    kinc_log(KINC_LOG_LEVEL_INFO, "[WebSocket Client] Creating connection to: %s", *url);
    
    try {
        int id = WebSocketWrapper::next_websocket_id++;
        auto client = std::make_unique<WebSocketWrapper::WebSocketClient>(isolate, WebSocketWrapper::getGlobalContext(), *url);
        
        WebSocketWrapper::active_websockets[id] = std::move(client);
        
        kinc_log(KINC_LOG_LEVEL_INFO, "[WebSocket Client] Connection created successfully with ID: %d", id);
        args.GetReturnValue().Set(Number::New(isolate, id));
    } catch (const std::exception& e) {
        kinc_log(KINC_LOG_LEVEL_ERROR, "[WebSocket Client] Failed to create connection: %s", e.what());
        args.GetReturnValue().Set(Number::New(isolate, -1));
    } catch (...) {
        kinc_log(KINC_LOG_LEVEL_ERROR, "[WebSocket Client] Unknown error creating connection");
        args.GetReturnValue().Set(Number::New(isolate, -1));
    }
}

void runt_websocket_send(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID and data required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it == WebSocketWrapper::active_websockets.end()) {
        return;
    }
    
    if (args[1]->IsArrayBuffer()) {
        Local<ArrayBuffer> buffer = args[1].As<ArrayBuffer>();
        void* data = buffer->GetBackingStore()->Data();
        size_t length = buffer->ByteLength();
        std::string binaryData(static_cast<const char*>(data), length);
        it->second->sendBinary(binaryData);
    } else if (args[1]->IsArrayBufferView()) {
        Local<ArrayBufferView> view = args[1].As<ArrayBufferView>();
        Local<ArrayBuffer> buffer = view->Buffer();
        void* data = static_cast<char*>(buffer->GetBackingStore()->Data()) + view->ByteOffset();
        size_t length = view->ByteLength();
        std::string binaryData(static_cast<const char*>(data), length);
        it->second->sendBinary(binaryData);
    } else if (args[1]->IsString()) {
        String::Utf8Value data(isolate, args[1]);
        it->second->send(*data);
    } else {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "Data must be String or ArrayBuffer").ToLocalChecked()));
    }
}

void runt_websocket_send_binary(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID and binary data required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it == WebSocketWrapper::active_websockets.end()) {
        return;
    }
    
    if (args[1]->IsArrayBuffer()) {
        Local<ArrayBuffer> buffer = args[1].As<ArrayBuffer>();
        void* data = buffer->GetBackingStore()->Data();
        size_t length = buffer->ByteLength();
        std::string binaryData(static_cast<const char*>(data), length);
        it->second->sendBinary(binaryData);
    } else if (args[1]->IsArrayBufferView()) {
        Local<ArrayBufferView> view = args[1].As<ArrayBufferView>();
        Local<ArrayBuffer> buffer = view->Buffer();
        void* data = static_cast<char*>(buffer->GetBackingStore()->Data()) + view->ByteOffset();
        size_t length = view->ByteLength();
        std::string binaryData(static_cast<const char*>(data), length);
        it->second->sendBinary(binaryData);
    } else {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "Binary data must be ArrayBuffer or ArrayBufferView").ToLocalChecked()));
    }
}

void runt_websocket_close(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    int code = 1000;
    std::string reason = "";
    
    if (args.Length() > 1 && args[1]->IsNumber()) {
        code = args[1]->Int32Value(isolate->GetCurrentContext()).FromJust();
    }
    
    if (args.Length() > 2 && args[2]->IsString()) {
        String::Utf8Value reasonStr(isolate, args[2]);
        reason = *reasonStr;
    }
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it != WebSocketWrapper::active_websockets.end()) {
        it->second->close(code, reason);
        // erase here causes iterator invalidation when called from callback
        // closed websockets will be cleaned up naturally
		// WebSocketWrapper::active_websockets.erase(it);
    }
}

void runt_websocket_get_ready_state(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it != WebSocketWrapper::active_websockets.end()) {
        args.GetReturnValue().Set(Number::New(isolate, it->second->getReadyState()));
    } else {
        args.GetReturnValue().Set(Number::New(isolate, WebSocketWrapper::CLOSED));
    }
}

void runt_websocket_get_url(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it != WebSocketWrapper::active_websockets.end()) {
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, it->second->getUrl().c_str()).ToLocalChecked());
    } else {
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, "").ToLocalChecked());
    }
}

void runt_websocket_get_buffered_amount(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it != WebSocketWrapper::active_websockets.end()) {
        args.GetReturnValue().Set(Number::New(isolate, it->second->getBufferedAmount()));
    } else {
        args.GetReturnValue().Set(Number::New(isolate, 0));
    }
}

void runt_websocket_set_onopen(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID and callback required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it != WebSocketWrapper::active_websockets.end()) {
        it->second->setOnOpen(callback);
    }
}

void runt_websocket_set_onmessage(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID and callback required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it != WebSocketWrapper::active_websockets.end()) {
        it->second->setOnMessage(callback);
    }
}

void runt_websocket_set_onerror(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID and callback required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it != WebSocketWrapper::active_websockets.end()) {
        it->second->setOnError(callback);
    }
}

void runt_websocket_set_onclose(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::Error(String::NewFromUtf8(isolate, "ID and callback required").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).FromJust();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = WebSocketWrapper::active_websockets.find(id);
    if (it != WebSocketWrapper::active_websockets.end()) {
        it->second->setOnClose(callback);
    }
}

// Native WebSocket class implementation for V8
static void WebSocketConstructor(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();

    if (!args.IsConstructCall()) {
        isolate->ThrowException(Exception::TypeError(
            String::NewFromUtf8(isolate, "WebSocket constructor requires 'new'").ToLocalChecked()));
        return;
    }

    if (args.Length() < 1 || !args[0]->IsString()) {
        isolate->ThrowException(Exception::TypeError(
            String::NewFromUtf8(isolate, "WebSocket constructor requires a URL").ToLocalChecked()));
        return;
    }

    String::Utf8Value url(isolate, args[0]);
    int wsId = WebSocketWrapper::createWebSocketConnection(isolate, *url);

    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());
    instance->Set(context, String::NewFromUtf8(isolate, "bufferedAmount").ToLocalChecked(), Integer::New(isolate, 0));
    instance->Set(context, String::NewFromUtf8(isolate, "onopen").ToLocalChecked(), Null(isolate));
    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));

    args.GetReturnValue().Set(instance);
}

static void WebSocketSend(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();
    Local<Object> self = args.Holder();

    Local<Value> readyStateVal = self->Get(context, String::NewFromUtf8(isolate, "readyState").ToLocalChecked()).ToLocalChecked();
    int readyState = readyStateVal->Int32Value(context).FromJust();

    if (readyState == 0) {
        isolate->ThrowException(Exception::Error(
            String::NewFromUtf8(isolate, "WebSocket is not open: readyState 0 (CONNECTING)").ToLocalChecked()));
        return;
    }
    if (readyState != 1) {
        isolate->ThrowException(Exception::Error(
            String::NewFromUtf8(isolate, "WebSocket is not open").ToLocalChecked()));
        return;
    }

    Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
    int wsId = idVal->Int32Value(context).FromJust();

    auto it = WebSocketWrapper::active_websockets.find(wsId);
    if (it == WebSocketWrapper::active_websockets.end()) {
        isolate->ThrowException(Exception::Error(
            String::NewFromUtf8(isolate, "WebSocket connection not found").ToLocalChecked()));
        return;
    }

    if (args.Length() < 1) return;

    if (args[0]->IsArrayBuffer()) {
        Local<ArrayBuffer> ab = args[0].As<ArrayBuffer>();
        std::string data(static_cast<char*>(ab->GetBackingStore()->Data()), ab->ByteLength());
        it->second->sendBinary(data);
    } else if (args[0]->IsArrayBufferView()) {
        Local<ArrayBufferView> view = args[0].As<ArrayBufferView>();
        Local<ArrayBuffer> ab = view->Buffer();
        size_t offset = view->ByteOffset();
        size_t length = view->ByteLength();
        std::string data(static_cast<char*>(ab->GetBackingStore()->Data()) + offset, length);
        it->second->sendBinary(data);
    } else {
        String::Utf8Value str(isolate, args[0]);
        it->second->send(*str);
    }
}

static void WebSocketClose(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();
    Local<Object> self = args.Holder();

    Local<Value> readyStateVal = self->Get(context, String::NewFromUtf8(isolate, "readyState").ToLocalChecked()).ToLocalChecked();
    int readyState = readyStateVal->Int32Value(context).FromJust();

    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();

    int code = 1000;
    std::string reason = "";
    if (args.Length() >= 1 && args[0]->IsNumber()) {
        code = args[0]->Int32Value(context).FromJust();
    }
    if (args.Length() >= 2 && args[1]->IsString()) {
        String::Utf8Value r(isolate, args[1]);
        reason = *r;
    }

    auto it = WebSocketWrapper::active_websockets.find(wsId);
    if (it != WebSocketWrapper::active_websockets.end()) {
        it->second->close(code, reason);
    }
}

void createWebSocketClass(Isolate* isolate, Local<ObjectTemplate>& global) {
    Local<FunctionTemplate> wsTpl = FunctionTemplate::New(isolate, WebSocketConstructor);
    wsTpl->SetClassName(String::NewFromUtf8(isolate, "WebSocket").ToLocalChecked());
    wsTpl->InstanceTemplate()->SetInternalFieldCount(1);

    Local<ObjectTemplate> proto = wsTpl->PrototypeTemplate();
    proto->Set(isolate, "send", FunctionTemplate::New(isolate, WebSocketSend));
    proto->Set(isolate, "close", FunctionTemplate::New(isolate, WebSocketClose));

    Local<Function> wsFunc = wsTpl->GetFunction(isolate->GetCurrentContext()).ToLocalChecked();
    wsFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "CONNECTING").ToLocalChecked(), Integer::New(isolate, 0));
    wsFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "OPEN").ToLocalChecked(), Integer::New(isolate, 1));
    wsFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "CLOSING").ToLocalChecked(), Integer::New(isolate, 2));
    wsFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "CLOSED").ToLocalChecked(), Integer::New(isolate, 3));

    global->Set(isolate, "WebSocket", wsTpl);
}

static void EventConstructor(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();

    Local<Object> instance = args.This();
    Local<String> type = args.Length() > 0 && args[0]->IsString() 
        ? args[0].As<String>() 
        : String::NewFromUtf8(isolate, "").ToLocalChecked();

    instance->Set(context, String::NewFromUtf8(isolate, "type").ToLocalChecked(), type);
    instance->Set(context, String::NewFromUtf8(isolate, "target").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "currentTarget").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "timeStamp").ToLocalChecked(), Number::New(isolate, static_cast<double>(std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count())));

    args.GetReturnValue().Set(instance);
}

static void MessageEventConstructor(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();

    Local<Object> instance = args.This();
    Local<String> type = args.Length() > 0 && args[0]->IsString() 
        ? args[0].As<String>() 
        : String::NewFromUtf8(isolate, "message").ToLocalChecked();

    instance->Set(context, String::NewFromUtf8(isolate, "type").ToLocalChecked(), type);
    instance->Set(context, String::NewFromUtf8(isolate, "target").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "currentTarget").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "timeStamp").ToLocalChecked(), Number::New(isolate, static_cast<double>(std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count())));

    if (args.Length() > 1 && args[1]->IsObject()) {
        Local<Object> init = args[1].As<Object>();
        Local<Value> data = init->Get(context, String::NewFromUtf8(isolate, "data").ToLocalChecked()).ToLocalChecked();
        instance->Set(context, String::NewFromUtf8(isolate, "data").ToLocalChecked(), data);
        
        Local<Value> origin = init->Get(context, String::NewFromUtf8(isolate, "origin").ToLocalChecked()).ToLocalChecked();
        instance->Set(context, String::NewFromUtf8(isolate, "origin").ToLocalChecked(), origin->IsUndefined() ? String::NewFromUtf8(isolate, "").ToLocalChecked().As<Value>() : origin);
    } else {
        instance->Set(context, String::NewFromUtf8(isolate, "data").ToLocalChecked(), Null(isolate));
        instance->Set(context, String::NewFromUtf8(isolate, "origin").ToLocalChecked(), String::NewFromUtf8(isolate, "").ToLocalChecked());
    }

    args.GetReturnValue().Set(instance);
}

static void CloseEventConstructor(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();

    Local<Object> instance = args.This();
    Local<String> type = args.Length() > 0 && args[0]->IsString() 
        ? args[0].As<String>() 
        : String::NewFromUtf8(isolate, "close").ToLocalChecked();

    instance->Set(context, String::NewFromUtf8(isolate, "type").ToLocalChecked(), type);
    instance->Set(context, String::NewFromUtf8(isolate, "target").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "currentTarget").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "timeStamp").ToLocalChecked(), Number::New(isolate, static_cast<double>(std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count())));

    int code = 1000;
    std::string reason = "";
    bool wasClean = false;

    if (args.Length() > 1 && args[1]->IsObject()) {
        Local<Object> init = args[1].As<Object>();
        Local<Value> codeVal = init->Get(context, String::NewFromUtf8(isolate, "code").ToLocalChecked()).ToLocalChecked();
        if (codeVal->IsNumber()) code = codeVal->Int32Value(context).FromJust();
        
        Local<Value> reasonVal = init->Get(context, String::NewFromUtf8(isolate, "reason").ToLocalChecked()).ToLocalChecked();
        if (reasonVal->IsString()) {
            String::Utf8Value r(isolate, reasonVal);
            reason = *r;
        }
        
        Local<Value> cleanVal = init->Get(context, String::NewFromUtf8(isolate, "wasClean").ToLocalChecked()).ToLocalChecked();
        if (cleanVal->IsBoolean()) wasClean = cleanVal->BooleanValue(isolate);
    }

    instance->Set(context, String::NewFromUtf8(isolate, "code").ToLocalChecked(), Integer::New(isolate, code));
    instance->Set(context, String::NewFromUtf8(isolate, "reason").ToLocalChecked(), String::NewFromUtf8(isolate, reason.c_str()).ToLocalChecked());
    instance->Set(context, String::NewFromUtf8(isolate, "wasClean").ToLocalChecked(), Boolean::New(isolate, wasClean));

    args.GetReturnValue().Set(instance);
}

void createWebSocketEventClasses(Isolate* isolate, Local<ObjectTemplate>& global) {
    Local<FunctionTemplate> eventTpl = FunctionTemplate::New(isolate, EventConstructor);
    eventTpl->SetClassName(String::NewFromUtf8(isolate, "Event").ToLocalChecked());
    global->Set(isolate, "Event", eventTpl);

    Local<FunctionTemplate> msgEventTpl = FunctionTemplate::New(isolate, MessageEventConstructor);
    msgEventTpl->SetClassName(String::NewFromUtf8(isolate, "MessageEvent").ToLocalChecked());
    global->Set(isolate, "MessageEvent", msgEventTpl);

    Local<FunctionTemplate> closeEventTpl = FunctionTemplate::New(isolate, CloseEventConstructor);
    closeEventTpl->SetClassName(String::NewFromUtf8(isolate, "CloseEvent").ToLocalChecked());
    global->Set(isolate, "CloseEvent", closeEventTpl);
}

#endif