mirror of
https://github.com/4jcraft/4jcraft.git
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522 lines
17 KiB
C++
522 lines
17 KiB
C++
#include "Socket.h"
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#include <stdio.h>
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#include <chrono>
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#include <thread>
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#include <vector>
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// 4jcraft TODO
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#include "Minecraft.Client/Common/ShutdownManager.h"
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#include "Minecraft.Client/Common/src/Network/GameNetworkManager.h"
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#include "Minecraft.Client/Common/src/Network/NetworkPlayerInterface.h"
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#include "Minecraft.Client/include/NetTypes.h"
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#include "Minecraft.Client/include/SkinBox.h"
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#include "Minecraft.Client/include/XboxStubs.h"
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#include "minecraft/server/network/ServerConnection.h"
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class SocketAddress {};
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// This current socket implementation is for the creation of a single local
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// link. 2 sockets can be created, one for either end of this local link, the
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// end (0 or 1) is passed as a parameter to the ctor.
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std::mutex Socket::s_hostQueueLock[2];
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std::queue<std::uint8_t> Socket::s_hostQueue[2];
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Socket::SocketOutputStreamLocal* Socket::s_hostOutStream[2];
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Socket::SocketInputStreamLocal* Socket::s_hostInStream[2];
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ServerConnection* Socket::s_serverConnection = nullptr;
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void Socket::EnsureStreamsInitialised() {
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// Thread-safe one-time initialisation via C++11 magic-statics guarantee.
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// The lambda body runs exactly once no matter how many threads call
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// concurrently.
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static bool initialized = []() -> bool {
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for (int i = 0; i < 2; i++) {
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s_hostOutStream[i] = new SocketOutputStreamLocal(i);
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s_hostInStream[i] = new SocketInputStreamLocal(i);
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}
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return true;
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}();
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(void)initialized;
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}
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void Socket::Initialise(ServerConnection* serverConnection) {
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s_serverConnection = serverConnection;
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// Ensure the host-local stream objects exist (idempotent).
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EnsureStreamsInitialised();
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// Only initialise everything else once - just setting up static data, one
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// time xrnm things, thread for ticking sockets
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static bool init = false;
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if (init) {
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// Streams already exist – just reset queue state and re-open streams.
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for (int i = 0; i < 2; i++) {
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{
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std::unique_lock<std::mutex> lock(s_hostQueueLock[i],
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std::try_to_lock);
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if (lock.owns_lock()) {
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// Clear the queue
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std::queue<std::uint8_t> empty;
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std::swap(s_hostQueue[i], empty);
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}
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}
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s_hostOutStream[i]->m_streamOpen = true;
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s_hostInStream[i]->m_streamOpen = true;
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}
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return;
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}
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init = true;
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// Streams are already guaranteed to exist via EnsureStreamsInitialised()
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// above. Nothing more to do for the first call.
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}
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Socket::Socket(bool response) {
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m_hostServerConnection = true;
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m_hostLocal = true;
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if (response) {
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m_end = SOCKET_SERVER_END;
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} else {
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m_end = SOCKET_CLIENT_END;
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Socket* socket = new Socket(1);
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if (s_serverConnection != nullptr) {
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s_serverConnection->NewIncomingSocket(socket);
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} else {
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fprintf(
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stderr,
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"SOCKET: Warning - attempted to notify server of new incoming "
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"socket but s_serverConnection is nullptr\n");
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}
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}
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for (int i = 0; i < 2; i++) {
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m_endClosed[i] = false;
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}
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m_socketClosedEvent = nullptr;
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createdOk = true;
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networkPlayerSmallId = g_NetworkManager.GetHostPlayer()->GetSmallId();
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}
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Socket::Socket(INetworkPlayer* player, bool response /* = false*/,
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bool hostLocal /*= false*/) {
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m_hostServerConnection = false;
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m_hostLocal = hostLocal;
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for (int i = 0; i < 2; i++) {
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m_inputStream[i] = nullptr;
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m_outputStream[i] = nullptr;
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m_endClosed[i] = false;
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}
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if (!response || hostLocal) {
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m_inputStream[0] = new SocketInputStreamNetwork(this, 0);
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m_outputStream[0] = new SocketOutputStreamNetwork(this, 0);
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m_end = SOCKET_CLIENT_END;
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}
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if (response || hostLocal) {
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m_inputStream[1] = new SocketInputStreamNetwork(this, 1);
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m_outputStream[1] = new SocketOutputStreamNetwork(this, 1);
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m_end = SOCKET_SERVER_END;
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}
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m_socketClosedEvent = new C4JThread::Event;
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// printf("New socket made %s\n", player->GetGamertag() );
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networkPlayerSmallId = player->GetSmallId();
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createdOk = true;
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}
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SocketAddress* Socket::getRemoteSocketAddress() { return nullptr; }
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INetworkPlayer* Socket::getPlayer() {
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return g_NetworkManager.GetPlayerBySmallId(networkPlayerSmallId);
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}
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void Socket::setPlayer(INetworkPlayer* player) {
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if (player != nullptr) {
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networkPlayerSmallId = player->GetSmallId();
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} else {
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networkPlayerSmallId = 0;
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}
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}
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void Socket::pushDataToQueue(const std::uint8_t* pbData, std::size_t dataSize,
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bool fromHost /*= true*/) {
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int queueIdx = SOCKET_CLIENT_END;
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if (!fromHost) queueIdx = SOCKET_SERVER_END;
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if (queueIdx != m_end && !m_hostLocal) {
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fprintf(
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stderr,
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"SOCKET: Error pushing data to queue. End is %d but queue idx id "
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"%d\n",
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m_end, queueIdx);
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return;
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}
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{
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std::lock_guard<std::mutex> lock(m_queueLockNetwork[queueIdx]);
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for (std::size_t i = 0; i < dataSize; ++i) {
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m_queueNetwork[queueIdx].push(*pbData++);
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}
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}
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}
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void Socket::addIncomingSocket(Socket* socket) {
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if (s_serverConnection != nullptr) {
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s_serverConnection->NewIncomingSocket(socket);
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}
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}
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InputStream* Socket::getInputStream(bool isServerConnection) {
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if (!m_hostServerConnection) {
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if (m_hostLocal) {
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if (isServerConnection) {
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return m_inputStream[SOCKET_SERVER_END];
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} else {
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return m_inputStream[SOCKET_CLIENT_END];
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}
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} else {
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return m_inputStream[m_end];
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}
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} else {
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if (s_hostInStream[m_end] == nullptr) {
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fprintf(stderr,
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"SOCKET: Warning - s_hostInStream[%d] is nullptr in "
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"getInputStream(); calling EnsureStreamsInitialised()\n",
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m_end);
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EnsureStreamsInitialised();
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}
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return s_hostInStream[m_end];
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}
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}
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void Socket::setSoTimeout(int a) {}
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void Socket::setTrafficClass(int a) {}
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Socket::SocketOutputStream* Socket::getOutputStream(bool isServerConnection) {
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if (!m_hostServerConnection) {
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if (m_hostLocal) {
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if (isServerConnection) {
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return m_outputStream[SOCKET_SERVER_END];
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} else {
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return m_outputStream[SOCKET_CLIENT_END];
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}
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} else {
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return m_outputStream[m_end];
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}
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} else {
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int outIdx = 1 - m_end;
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if (s_hostOutStream[outIdx] == nullptr) {
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fprintf(stderr,
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"SOCKET: Warning - s_hostOutStream[%d] is nullptr in "
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"getOutputStream(); calling EnsureStreamsInitialised()\n",
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outIdx);
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EnsureStreamsInitialised();
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}
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return s_hostOutStream[outIdx];
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}
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}
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bool Socket::close(bool isServerConnection) {
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bool allClosed = false;
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if (m_hostLocal) {
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if (isServerConnection) {
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m_endClosed[SOCKET_SERVER_END] = true;
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if (m_endClosed[SOCKET_CLIENT_END]) {
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allClosed = true;
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}
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} else {
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m_endClosed[SOCKET_CLIENT_END] = true;
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if (m_endClosed[SOCKET_SERVER_END]) {
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allClosed = true;
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}
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}
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} else {
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allClosed = true;
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m_endClosed[m_end] = true;
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}
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if (allClosed && m_socketClosedEvent != nullptr) {
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m_socketClosedEvent->set();
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}
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if (allClosed) createdOk = false;
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return allClosed;
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}
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/////////////////////////////////// Socket for input, on local connection
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///////////////////////
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Socket::SocketInputStreamLocal::SocketInputStreamLocal(int queueIdx) {
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m_streamOpen = true;
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m_queueIdx = queueIdx;
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}
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// Try and get an input byte, blocking until one is available
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int Socket::SocketInputStreamLocal::read() {
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while (m_streamOpen && ShutdownManager::ShouldRun(
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ShutdownManager::eConnectionReadThreads)) {
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{
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std::unique_lock<std::mutex> lock(s_hostQueueLock[m_queueIdx],
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std::try_to_lock);
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if (lock.owns_lock()) {
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if (s_hostQueue[m_queueIdx].size()) {
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std::uint8_t retval = s_hostQueue[m_queueIdx].front();
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s_hostQueue[m_queueIdx].pop();
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return retval;
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}
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}
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(1));
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}
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return -1;
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}
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// Try and get an input array of bytes, blocking until enough bytes are
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// available
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int Socket::SocketInputStreamLocal::read(std::vector<uint8_t>& b) {
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return read(b, 0, b.size());
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}
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// Try and get an input range of bytes, blocking until enough bytes are
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// available
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int Socket::SocketInputStreamLocal::read(std::vector<uint8_t>& b,
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unsigned int offset,
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unsigned int length) {
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while (m_streamOpen) {
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{
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std::unique_lock<std::mutex> lock(s_hostQueueLock[m_queueIdx],
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std::try_to_lock);
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if (lock.owns_lock()) {
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if (s_hostQueue[m_queueIdx].size() >= length) {
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for (unsigned int i = 0; i < length; i++) {
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b[i + offset] = s_hostQueue[m_queueIdx].front();
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s_hostQueue[m_queueIdx].pop();
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}
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return length;
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}
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}
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(1));
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}
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return -1;
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}
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void Socket::SocketInputStreamLocal::close() {
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m_streamOpen = false;
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{
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std::lock_guard<std::mutex> lock(s_hostQueueLock[m_queueIdx]);
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std::queue<std::uint8_t>().swap(s_hostQueue[m_queueIdx]);
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}
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}
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/////////////////////////////////// Socket for output, on local connection
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///////////////////////
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Socket::SocketOutputStreamLocal::SocketOutputStreamLocal(int queueIdx) {
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m_streamOpen = true;
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m_queueIdx = queueIdx;
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}
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void Socket::SocketOutputStreamLocal::write(unsigned int b) {
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if (m_streamOpen != true) {
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return;
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}
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{
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std::lock_guard<std::mutex> lock(s_hostQueueLock[m_queueIdx]);
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s_hostQueue[m_queueIdx].push((std::uint8_t)b);
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}
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}
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void Socket::SocketOutputStreamLocal::write(const std::vector<uint8_t>& b) {
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write(b, 0, b.size());
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}
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void Socket::SocketOutputStreamLocal::write(const std::vector<uint8_t>& b,
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unsigned int offset,
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unsigned int length) {
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if (m_streamOpen != true) {
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return;
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}
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{
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std::lock_guard<std::mutex> lock(s_hostQueueLock[m_queueIdx]);
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for (unsigned int i = 0; i < length; i++) {
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s_hostQueue[m_queueIdx].push(b[offset + i]);
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}
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}
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}
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void Socket::SocketOutputStreamLocal::close() {
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m_streamOpen = false;
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{
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std::lock_guard<std::mutex> lock(s_hostQueueLock[m_queueIdx]);
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std::queue<std::uint8_t>().swap(s_hostQueue[m_queueIdx]);
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}
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}
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/////////////////////////////////// Socket for input, on network connection
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///////////////////////
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Socket::SocketInputStreamNetwork::SocketInputStreamNetwork(Socket* socket,
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int queueIdx) {
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m_streamOpen = true;
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m_queueIdx = queueIdx;
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m_socket = socket;
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}
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// Try and get an input byte, blocking until one is available
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int Socket::SocketInputStreamNetwork::read() {
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while (m_streamOpen && ShutdownManager::ShouldRun(
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ShutdownManager::eConnectionReadThreads)) {
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{
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std::unique_lock<std::mutex> lock(
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m_socket->m_queueLockNetwork[m_queueIdx], std::try_to_lock);
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if (lock.owns_lock()) {
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if (m_socket->m_queueNetwork[m_queueIdx].size()) {
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std::uint8_t retval =
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m_socket->m_queueNetwork[m_queueIdx].front();
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m_socket->m_queueNetwork[m_queueIdx].pop();
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return retval;
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}
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}
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(1));
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}
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return -1;
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}
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// Try and get an input array of bytes, blocking until enough bytes are
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// available
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int Socket::SocketInputStreamNetwork::read(std::vector<uint8_t>& b) {
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return read(b, 0, b.size());
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}
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// Try and get an input range of bytes, blocking until enough bytes are
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// available
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int Socket::SocketInputStreamNetwork::read(std::vector<uint8_t>& b,
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unsigned int offset,
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unsigned int length) {
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while (m_streamOpen) {
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{
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std::unique_lock<std::mutex> lock(
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m_socket->m_queueLockNetwork[m_queueIdx], std::try_to_lock);
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if (lock.owns_lock()) {
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if (m_socket->m_queueNetwork[m_queueIdx].size() >= length) {
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for (unsigned int i = 0; i < length; i++) {
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b[i + offset] =
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m_socket->m_queueNetwork[m_queueIdx].front();
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m_socket->m_queueNetwork[m_queueIdx].pop();
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}
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return length;
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}
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}
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(1));
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}
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return -1;
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}
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void Socket::SocketInputStreamNetwork::close() { m_streamOpen = false; }
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/////////////////////////////////// Socket for output, on network connection
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///////////////////////
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Socket::SocketOutputStreamNetwork::SocketOutputStreamNetwork(Socket* socket,
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int queueIdx) {
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m_queueIdx = queueIdx;
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m_socket = socket;
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m_streamOpen = true;
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}
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void Socket::SocketOutputStreamNetwork::write(unsigned int b) {
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if (m_streamOpen != true) return;
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std::uint8_t bb = (std::uint8_t)b;
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std::vector<uint8_t> barray(1, bb);
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write(barray, 0, 1);
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}
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void Socket::SocketOutputStreamNetwork::write(const std::vector<uint8_t>& b) {
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write(b, 0, b.size());
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}
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void Socket::SocketOutputStreamNetwork::write(const std::vector<uint8_t>& b,
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unsigned int offset,
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unsigned int length) {
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writeWithFlags(b, offset, length, 0);
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}
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void Socket::SocketOutputStreamNetwork::writeWithFlags(
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const std::vector<uint8_t>& b, unsigned int offset, unsigned int length,
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int flags) {
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if (m_streamOpen != true) return;
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if (length == 0) return;
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// If this is a local connection, don't bother going through QNet as it just
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// delivers it straight anyway
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if (m_socket->m_hostLocal) {
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// We want to write to the queue for the other end of this socket stream
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int queueIdx = m_queueIdx;
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if (queueIdx == SOCKET_CLIENT_END)
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queueIdx = SOCKET_SERVER_END;
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else
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queueIdx = SOCKET_CLIENT_END;
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{
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std::lock_guard<std::mutex> lock(
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m_socket->m_queueLockNetwork[queueIdx]);
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for (unsigned int i = 0; i < length; i++) {
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m_socket->m_queueNetwork[queueIdx].push(b[offset + i]);
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}
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}
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} else {
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XRNM_SEND_BUFFER buffer;
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buffer.pbyData = const_cast<uint8_t*>(&b[offset]);
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buffer.dwDataSize = length;
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INetworkPlayer* hostPlayer = g_NetworkManager.GetHostPlayer();
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if (hostPlayer == nullptr) {
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fprintf(
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stderr,
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"Trying to write to network, but the hostPlayer is nullptr\n");
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return;
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}
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INetworkPlayer* socketPlayer = m_socket->getPlayer();
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if (socketPlayer == nullptr) {
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fprintf(stderr,
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"Trying to write to network, but the socketPlayer is "
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"nullptr\n");
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return;
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}
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bool lowPriority = false;
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bool requireAck = ((flags & NON_QNET_SENDDATA_ACK_REQUIRED) ==
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NON_QNET_SENDDATA_ACK_REQUIRED);
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if (m_queueIdx == SOCKET_SERVER_END) {
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// printf( "Sent %u bytes of data from \"%ls\" to \"%ls\"\n",
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// buffer.dwDataSize,
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// hostPlayer->GetGamertag(),
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// m_socket->networkPlayer->GetGamertag());
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hostPlayer->SendData(socketPlayer, buffer.pbyData,
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buffer.dwDataSize, lowPriority, requireAck);
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// uint32_t queueSize = hostPlayer->GetSendQueueSize(
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// nullptr, QNET_GETSENDQUEUESIZE_BYTES ); if(
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// queueSize > 24000 )
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// {
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// //printf("Queue size is: %d, forcing
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// doWork()\n",queueSize); g_NetworkManager.DoWork();
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// }
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} else {
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// printf( "Sent %u bytes of data from \"%ls\" to \"%ls\"\n",
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// buffer.dwDataSize,
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// m_socket->networkPlayer->GetGamertag(),
|
||
// hostPlayer->GetGamertag());
|
||
|
||
socketPlayer->SendData(hostPlayer, buffer.pbyData,
|
||
buffer.dwDataSize, lowPriority, requireAck);
|
||
}
|
||
}
|
||
}
|
||
|
||
void Socket::SocketOutputStreamNetwork::close() { m_streamOpen = false; }
|