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723 lines
24 KiB
C++
723 lines
24 KiB
C++
#include "peer_connection.h"
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#include <regex>
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#include "INIReader.h"
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#include "common.h"
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#include "log.h"
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#include "nlohmann/json.hpp"
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using nlohmann::json;
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PeerConnection::PeerConnection() {}
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PeerConnection::~PeerConnection() { user_data_ = nullptr; }
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int PeerConnection::Init(PeerConnectionParams params,
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const std::string &user_id) {
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if (inited_) {
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LOG_INFO("Peer already inited");
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return 0;
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}
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// Todo: checkout user_id unique or not
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user_id_ = user_id;
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if (params.use_cfg_file) {
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INIReader reader(params.cfg_path);
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cfg_signal_server_ip_ = reader.Get("signal server", "ip", "-1");
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cfg_signal_server_port_ = reader.Get("signal server", "port", "-1");
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cfg_stun_server_ip_ = reader.Get("stun server", "ip", "-1");
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cfg_stun_server_port_ = reader.Get("stun server", "port", "-1");
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cfg_turn_server_ip_ = reader.Get("turn server", "ip", "");
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cfg_turn_server_port_ = reader.Get("turn server", "port", "-1");
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cfg_turn_server_username_ = reader.Get("turn server", "username", "");
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cfg_turn_server_password_ = reader.Get("turn server", "password", "");
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cfg_hardware_acceleration_ =
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reader.Get("hardware acceleration", "turn_on", "false");
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cfg_av1_encoding_ = reader.Get("av1 encoding", "turn_on", "false");
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cfg_enable_turn_ = reader.Get("enable turn", "turn_on", "false");
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std::regex regex("\n");
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signal_server_port_ = stoi(cfg_signal_server_port_);
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stun_server_port_ = stoi(cfg_stun_server_port_);
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turn_server_port_ = stoi(cfg_turn_server_port_);
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hardware_acceleration_ =
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cfg_hardware_acceleration_ == "true" ? true : false;
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av1_encoding_ = cfg_av1_encoding_ == "true" ? true : false;
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enable_turn_ = cfg_enable_turn_ == "true" ? true : false;
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} else {
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cfg_signal_server_ip_ = params.signal_server_ip;
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signal_server_port_ = params.signal_server_port;
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cfg_stun_server_ip_ = params.stun_server_ip;
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stun_server_port_ = params.stun_server_port;
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cfg_turn_server_ip_ = params.turn_server_ip;
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turn_server_port_ = params.turn_server_port;
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cfg_turn_server_username_ = params.turn_server_username;
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cfg_turn_server_password_ = params.turn_server_password;
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hardware_acceleration_ = params.hardware_acceleration;
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av1_encoding_ = params.av1_encoding;
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enable_turn_ = params.enable_turn;
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cfg_signal_server_port_ = std::to_string(signal_server_port_);
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cfg_stun_server_port_ = std::to_string(stun_server_port_);
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cfg_turn_server_port_ = std::to_string(turn_server_port_);
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}
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LOG_INFO("Read config success, use configure file [{}]", params.use_cfg_file);
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LOG_INFO("Signal server ip [{}] port [{}]", cfg_signal_server_ip_,
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cfg_signal_server_port_);
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LOG_INFO("Stun server ip [{}] port [{}]", cfg_stun_server_ip_,
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cfg_stun_server_port_);
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if (!cfg_turn_server_ip_.empty() && 0 != turn_server_port_ &&
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!cfg_turn_server_username_.empty() &&
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!cfg_turn_server_password_.empty()) {
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LOG_INFO("Turn server ip [{}] port [{}] username [{}] password [{}]",
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cfg_turn_server_ip_, turn_server_port_, cfg_turn_server_username_,
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cfg_turn_server_password_);
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}
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LOG_INFO("Hardware accelerated codec [{}]",
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hardware_acceleration_ ? "ON" : "OFF");
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LOG_INFO("Video format [{}]", av1_encoding_ ? "AV1" : "H.264");
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on_receive_video_buffer_ = params.on_receive_video_buffer;
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on_receive_audio_buffer_ = params.on_receive_audio_buffer;
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on_receive_data_buffer_ = params.on_receive_data_buffer;
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on_receive_video_frame_ = params.on_receive_video_frame;
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on_signal_status_ = params.on_signal_status;
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on_connection_status_ = params.on_connection_status;
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net_status_report_ = params.net_status_report;
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user_data_ = params.user_data;
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on_receive_ws_msg_ = [this](const std::string &msg) { ProcessSignal(msg); };
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on_ws_status_ = [this](WsStatus ws_status) {
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if (WsStatus::WsOpening == ws_status) {
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ws_status_ = WsStatus::WsOpening;
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signal_status_ = SignalStatus::SignalConnecting;
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on_signal_status_(SignalStatus::SignalConnecting, user_data_);
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} else if (WsStatus::WsOpened == ws_status) {
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ws_status_ = WsStatus::WsOpened;
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LOG_INFO("Login to signal server");
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Login();
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} else if (WsStatus::WsFailed == ws_status) {
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ws_status_ = WsStatus::WsFailed;
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signal_status_ = SignalStatus::SignalFailed;
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on_signal_status_(SignalStatus::SignalFailed, user_data_);
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} else if (WsStatus::WsClosed == ws_status) {
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ws_status_ = WsStatus::WsClosed;
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signal_status_ = SignalStatus::SignalClosed;
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on_signal_status_(SignalStatus::SignalClosed, user_data_);
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} else if (WsStatus::WsReconnecting == ws_status) {
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ws_status_ = WsStatus::WsReconnecting;
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signal_status_ = SignalStatus::SignalReconnecting;
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on_signal_status_(SignalStatus::SignalReconnecting, user_data_);
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} else if (WsStatus::WsServerClosed == ws_status) {
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ws_status_ = WsStatus::WsServerClosed;
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signal_status_ = SignalStatus::SignalServerClosed;
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on_signal_status_(SignalStatus::SignalServerClosed, user_data_);
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}
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};
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on_ice_status_change_ = [this](std::string ice_status,
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const std::string &user_id) {
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if ("connecting" == ice_status) {
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on_connection_status_(ConnectionStatus::Connecting, user_id.data(),
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user_id.size(), user_data_);
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} else if ("gathering" == ice_status) {
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on_connection_status_(ConnectionStatus::Gathering, user_id.data(),
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user_id.size(), user_data_);
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} else if ("disconnected" == ice_status) {
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on_connection_status_(ConnectionStatus::Disconnected, user_id.data(),
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user_id.size(), user_data_);
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} else if ("connected" == ice_status) {
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// std::string transmission_id = std::string(user_id, user_id_size);
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// is_ice_transport_ready_[user_id] = true;
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// on_connection_status_(ConnectionStatus::Connected, user_id.data(),
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// user_id.size(), user_data_);
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// b_force_i_frame_ = true;
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LOG_INFO("Ice connected");
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} else if ("ready" == ice_status) {
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is_ice_transport_ready_[user_id] = true;
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b_force_i_frame_ = true;
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LOG_INFO("Ice ready");
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on_connection_status_(ConnectionStatus::Connected, user_id.data(),
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user_id.size(), user_data_);
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} else if ("closed" == ice_status) {
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is_ice_transport_ready_[user_id] = false;
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LOG_INFO("Ice closed");
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on_connection_status_(ConnectionStatus::Closed, user_id.data(),
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user_id.size(), user_data_);
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} else if ("failed" == ice_status) {
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is_ice_transport_ready_[user_id] = false;
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if (offer_peer_ && try_rejoin_with_turn_) {
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enable_turn_ = true;
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reliable_ice_ = false;
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LOG_INFO(
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"Ice failed, destroy ice agent and rereate it with TURN enabled");
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ReleaseAllIceTransmission();
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if (offer_peer_) {
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IceWorkMsg msg;
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msg.type = IceWorkMsg::Type::UserIdList;
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msg.transmission_id = remote_transmission_id_;
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msg.user_id_list = user_id_list_;
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PushIceWorkMsg(msg);
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}
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} else {
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LOG_INFO("Ice failed");
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on_connection_status_(ConnectionStatus::Failed, user_id.data(),
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user_id.size(), user_data_);
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}
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} else {
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is_ice_transport_ready_[user_id] = false;
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LOG_INFO("Unknown ice state [{}]", ice_status);
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}
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};
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ws_transport_ = std::make_shared<WsClient>(on_receive_ws_msg_, on_ws_status_);
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uri_ = "ws://" + cfg_signal_server_ip_ + ":" + cfg_signal_server_port_;
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if (ws_transport_) {
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ws_transport_->Connect(uri_);
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}
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StartIceWorker();
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// do {
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// } while (SignalStatus::SignalConnected != GetSignalStatus());
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LOG_INFO("[{}] Init finish", user_id);
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inited_ = true;
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return 0;
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}
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int PeerConnection::Login() {
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if (WsStatus::WsOpened != ws_status_) {
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LOG_ERROR("Websocket not opened");
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return -1;
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}
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int ret = 0;
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json message = {{"type", "login"}, {"user_id", user_id_}};
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if (ws_transport_) {
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ws_transport_->Send(message.dump());
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LOG_INFO("[{}] send login request to signal server", user_id_);
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}
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return ret;
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}
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int PeerConnection::Create(const std::string &transmission_id,
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const std::string &password) {
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if (SignalStatus::SignalConnected != GetSignalStatus()) {
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LOG_ERROR("Signal not connected");
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return -1;
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}
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int ret = 0;
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local_transmission_id_ = transmission_id;
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password_ = password;
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json message = {{"type", "create_transmission"},
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{"user_id", user_id_},
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{"transmission_id", transmission_id},
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{"password", password}};
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if (ws_transport_) {
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ws_transport_->Send(message.dump());
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LOG_INFO("Send create transmission request, transmission_id [{}]",
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transmission_id);
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}
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return ret;
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}
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int PeerConnection::Join(const std::string &transmission_id,
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const std::string &password) {
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if (SignalStatus::SignalConnected != GetSignalStatus()) {
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LOG_ERROR("Signal not connected");
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return -1;
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}
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int ret = 0;
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offer_peer_ = true;
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password_ = password;
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leave_ = false;
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remote_transmission_id_ = transmission_id;
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ret = RequestTransmissionMemberList(remote_transmission_id_, password_);
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return ret;
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}
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int PeerConnection::NegotiationFailed() {
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if (SignalStatus::SignalConnected != GetSignalStatus()) {
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LOG_ERROR("Signal not connected");
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return -1;
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}
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json message = {{"type", "negotiation_failed"},
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{"user_id", user_id_},
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{"transmission_id", local_transmission_id_}};
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if (ws_transport_) {
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ws_transport_->Send(message.dump());
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LOG_INFO(
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"[{}] sends negotiation failed notification to [{}] for transmission "
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"id [{}]",
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user_id_, remote_user_id_, local_transmission_id_);
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}
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ReleaseAllIceTransmission();
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return 0;
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}
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int PeerConnection::Leave(const std::string &transmission_id) {
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if (SignalStatus::SignalConnected != GetSignalStatus()) {
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LOG_ERROR("Signal not connected");
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return -1;
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}
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json message = {{"type", "leave_transmission"},
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{"user_id", user_id_},
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{"transmission_id", transmission_id}};
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if (ws_transport_) {
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ws_transport_->Send(message.dump());
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LOG_INFO("[{}] sends leave transmission [{}] notification ", user_id_,
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transmission_id);
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}
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is_ice_transport_ready_[user_id_] = false;
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leave_ = true;
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ReleaseAllIceTransmission();
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return 0;
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}
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int PeerConnection::ReleaseAllIceTransmission() {
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for (auto &user_id_it : ice_transport_list_) {
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user_id_it.second->DestroyIceTransmission();
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}
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ice_transport_list_.clear();
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is_ice_transport_ready_.clear();
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return 0;
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}
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int PeerConnection::Destroy() {
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StopIceWorker();
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if (ws_transport_) {
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LOG_INFO("Close websocket")
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ws_transport_->Close();
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}
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return 0;
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}
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int PeerConnection::RequestTransmissionMemberList(
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const std::string &transmission_id, const std::string &password) {
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if (SignalStatus::SignalConnected != GetSignalStatus()) {
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LOG_ERROR("Signal not connected");
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return -1;
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}
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LOG_INFO("[{}] Request member list", user_id_);
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json message = {{"type", "query_user_id_list"},
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{"transmission_id", transmission_id},
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{"password", password}};
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if (ws_transport_) {
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ws_transport_->Send(message.dump());
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}
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return 0;
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}
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SignalStatus PeerConnection::GetSignalStatus() {
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std::lock_guard<std::mutex> l(signal_status_mutex_);
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return signal_status_;
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}
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int PeerConnection::SendVideoFrame(const XVideoFrame *video_frame) {
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if (ice_transport_list_.empty()) {
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return -1;
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}
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for (auto &ice_trans : ice_transport_list_) {
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if (!is_ice_transport_ready_[ice_trans.first]) {
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continue;
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}
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ice_trans.second->SendVideoFrame(video_frame);
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}
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return 0;
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}
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int PeerConnection::SendAudioFrame(const char *data, size_t size) {
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if (ice_transport_list_.empty()) {
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return -1;
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}
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for (auto &ice_trans : ice_transport_list_) {
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if (!is_ice_transport_ready_[ice_trans.first]) {
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continue;
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}
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ice_trans.second->SendAudioFrame(data, size);
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}
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return 0;
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}
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int PeerConnection::SendDataFrame(const char *data, size_t size) {
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for (auto &ice_trans : ice_transport_list_) {
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if (!is_ice_transport_ready_[ice_trans.first]) {
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continue;
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}
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ice_trans.second->SendDataFrame(data, size);
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}
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return 0;
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}
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void PeerConnection::ProcessSignal(const std::string &signal) {
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auto j = json::parse(signal);
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std::string type = j["type"];
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// LOG_INFO("signal type: {}", type);
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switch (HASH_STRING_PIECE(type.c_str())) {
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case "login"_H: {
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if (j["status"].get<std::string>() == "success") {
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user_id_ = j["user_id"].get<std::string>();
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XNetTrafficStats net_traffic_stats;
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memset(&net_traffic_stats, 0, sizeof(net_traffic_stats));
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net_status_report_(user_id_.data(), user_id_.size(),
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TraversalMode::UnknownMode, &net_traffic_stats,
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user_id_.data(), user_id_.size(), user_data_);
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LOG_INFO("Login success with id [{}]", user_id_);
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signal_status_ = SignalStatus::SignalConnected;
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on_signal_status_(SignalStatus::SignalConnected, user_data_);
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} else if (j["status"].get<std::string>() == "fail") {
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LOG_WARN("Login failed with id [{}]", user_id_);
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}
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break;
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}
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case "transmission_id"_H: {
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if (j["status"].get<std::string>() == "success") {
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local_transmission_id_ = j["transmission_id"].get<std::string>();
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user_id_ = local_transmission_id_;
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LOG_INFO("Create transmission success with id [{}]",
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local_transmission_id_);
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} else if (j["status"].get<std::string>() == "fail") {
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LOG_WARN("Create transmission failed with id [{}], due to [{}]",
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local_transmission_id_,
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j["reason"].get<std::string>().c_str());
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}
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break;
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}
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case "user_id_list"_H: {
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user_id_list_ = j["user_id_list"];
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std::string transmission_id = j["transmission_id"].get<std::string>();
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std::string status = j["status"].get<std::string>();
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if (status == "failed") {
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std::string reason = j["reason"].get<std::string>();
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LOG_ERROR("{}", reason);
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if ("Incorrect password" == reason) {
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on_connection_status_(ConnectionStatus::IncorrectPassword,
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transmission_id.data(), transmission_id.size(),
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user_data_);
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} else if ("No such transmission id" == reason) {
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on_connection_status_(ConnectionStatus::NoSuchTransmissionId,
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transmission_id.data(), transmission_id.size(),
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user_data_);
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}
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} else {
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if (leave_) {
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break;
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}
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IceWorkMsg msg;
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msg.type = IceWorkMsg::Type::UserIdList;
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msg.transmission_id = transmission_id;
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msg.user_id_list = user_id_list_;
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PushIceWorkMsg(msg);
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}
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break;
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}
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case "user_leave_transmission"_H: {
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std::string user_id = j["user_id"];
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IceWorkMsg msg;
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msg.type = IceWorkMsg::Type::UserLeaveTransmission;
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msg.user_id = user_id;
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PushIceWorkMsg(msg);
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break;
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}
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case "offer"_H: {
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std::string transmission_id = j["transmission_id"].get<std::string>();
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std::string remote_user_id = j["remote_user_id"].get<std::string>();
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remote_user_id_ = remote_user_id;
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if (j.contains("sdp")) {
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std::string remote_sdp = j["sdp"].get<std::string>();
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LOG_INFO("[{}] receive offer from [{}]", user_id_, remote_user_id);
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IceWorkMsg msg;
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msg.type = IceWorkMsg::Type::Offer;
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msg.transmission_id = transmission_id;
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msg.remote_user_id = remote_user_id;
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msg.remote_sdp = remote_sdp;
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PushIceWorkMsg(msg);
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on_connection_status_(ConnectionStatus::Connecting,
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remote_user_id.data(), remote_user_id.size(),
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user_data_);
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} else {
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LOG_ERROR("Invalid offer msg");
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}
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break;
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}
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case "answer"_H: {
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std::string transmission_id = j["transmission_id"].get<std::string>();
|
|
std::string remote_user_id = j["remote_user_id"].get<std::string>();
|
|
remote_user_id_ = remote_user_id;
|
|
|
|
if (j.contains("sdp")) {
|
|
std::string remote_sdp = j["sdp"].get<std::string>();
|
|
LOG_INFO("[{}] receive answer from [{}]", user_id_, remote_user_id);
|
|
|
|
IceWorkMsg msg;
|
|
msg.type = IceWorkMsg::Type::Answer;
|
|
msg.transmission_id = transmission_id;
|
|
msg.remote_user_id = remote_user_id;
|
|
msg.remote_sdp = remote_sdp;
|
|
PushIceWorkMsg(msg);
|
|
on_connection_status_(ConnectionStatus::Connecting,
|
|
remote_user_id.data(), remote_user_id.size(),
|
|
user_data_);
|
|
} else {
|
|
LOG_ERROR("Invalid answer msg");
|
|
}
|
|
|
|
break;
|
|
}
|
|
case "new_candidate"_H: {
|
|
std::string transmission_id = j["transmission_id"].get<std::string>();
|
|
std::string new_candidate = j["sdp"].get<std::string>();
|
|
std::string remote_user_id = j["remote_user_id"].get<std::string>();
|
|
|
|
IceWorkMsg msg;
|
|
msg.type = IceWorkMsg::Type::NewCandidate;
|
|
msg.transmission_id = transmission_id;
|
|
msg.remote_user_id = remote_user_id;
|
|
msg.new_candidate = new_candidate;
|
|
PushIceWorkMsg(msg);
|
|
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PeerConnection::StartIceWorker() {
|
|
ice_worker_ = std::thread([this]() {
|
|
while (true) {
|
|
std::unique_lock<std::mutex> lck(ice_work_mutex_);
|
|
while (ice_work_msg_queue_.empty() && ice_worker_running_) {
|
|
ice_work_cv_.wait(lck, [this] {
|
|
return !ice_work_msg_queue_.empty() || !ice_worker_running_;
|
|
});
|
|
}
|
|
|
|
if (!ice_worker_running_) {
|
|
break;
|
|
}
|
|
|
|
IceWorkMsg msg = ice_work_msg_queue_.front();
|
|
ice_work_msg_queue_.pop();
|
|
lck.unlock();
|
|
ProcessIceWorkMsg(msg);
|
|
}
|
|
std::queue<IceWorkMsg> empty_queue;
|
|
std::swap(ice_work_msg_queue_, empty_queue);
|
|
});
|
|
}
|
|
|
|
void PeerConnection::StopIceWorker() {
|
|
ice_worker_running_ = false;
|
|
ice_work_cv_.notify_one();
|
|
if (ice_worker_.joinable()) {
|
|
ice_worker_.join();
|
|
}
|
|
}
|
|
|
|
void PeerConnection::PushIceWorkMsg(const IceWorkMsg &msg) {
|
|
std::lock_guard<std::mutex> lck(ice_work_mutex_);
|
|
ice_work_msg_queue_.push(msg);
|
|
ice_work_cv_.notify_one();
|
|
}
|
|
|
|
void PeerConnection::ProcessIceWorkMsg(const IceWorkMsg &msg) {
|
|
switch (msg.type) {
|
|
case IceWorkMsg::Type::Login: {
|
|
break;
|
|
}
|
|
case IceWorkMsg::Type::UserIdList: {
|
|
std::vector<std::string> user_id_list = msg.user_id_list;
|
|
std::string transmission_id = msg.transmission_id;
|
|
|
|
if (user_id_list.empty()) {
|
|
LOG_WARN("Wait for host create transmission [{}]", transmission_id);
|
|
std::this_thread::sleep_for(std::chrono::seconds(1));
|
|
RequestTransmissionMemberList(transmission_id, password_);
|
|
break;
|
|
}
|
|
|
|
LOG_INFO("Transmission [{}] members: [", transmission_id);
|
|
for (auto user_id : user_id_list) {
|
|
LOG_INFO("{}", user_id);
|
|
}
|
|
LOG_INFO("]");
|
|
|
|
for (auto &remote_user_id : user_id_list) {
|
|
ice_transport_list_[remote_user_id] = std::make_unique<IceTransport>(
|
|
true, transmission_id, user_id_, remote_user_id, ws_transport_,
|
|
on_ice_status_change_, user_data_);
|
|
|
|
ice_transport_list_[remote_user_id]->SetLocalCapabilities(
|
|
hardware_acceleration_, trickle_ice_, reliable_ice_, enable_turn_,
|
|
false, video_payload_types_, audio_payload_types_);
|
|
|
|
ice_transport_list_[remote_user_id]->SetOnReceiveVideoFunc(
|
|
on_receive_video_frame_);
|
|
ice_transport_list_[remote_user_id]->SetOnReceiveAudioFunc(
|
|
on_receive_audio_buffer_);
|
|
ice_transport_list_[remote_user_id]->SetOnReceiveDataFunc(
|
|
on_receive_data_buffer_);
|
|
|
|
ice_transport_list_[remote_user_id]->SetOnReceiveNetStatusReportFunc(
|
|
net_status_report_);
|
|
|
|
ice_transport_list_[remote_user_id]->InitIceTransmission(
|
|
cfg_stun_server_ip_, stun_server_port_, cfg_turn_server_ip_,
|
|
turn_server_port_, cfg_turn_server_username_,
|
|
cfg_turn_server_password_,
|
|
av1_encoding_ ? RtpPacket::AV1 : RtpPacket::H264);
|
|
ice_transport_list_[remote_user_id]->JoinTransmission();
|
|
}
|
|
|
|
break;
|
|
}
|
|
case IceWorkMsg::Type::UserLeaveTransmission: {
|
|
std::string user_id = msg.user_id;
|
|
LOG_INFO("Receive notification: user id [{}] leave transmission",
|
|
user_id);
|
|
auto user_id_it = ice_transport_list_.find(user_id);
|
|
if (user_id_it != ice_transport_list_.end()) {
|
|
user_id_it->second->DestroyIceTransmission();
|
|
ice_transport_list_.erase(user_id_it);
|
|
is_ice_transport_ready_[user_id] = false;
|
|
LOG_INFO("Terminate transmission to user [{}]", user_id);
|
|
}
|
|
break;
|
|
}
|
|
case IceWorkMsg::Type::Offer: {
|
|
std::string transmission_id = msg.transmission_id;
|
|
std::string remote_user_id = msg.remote_user_id;
|
|
if (ice_transport_list_.end() ==
|
|
ice_transport_list_.find(remote_user_id)) {
|
|
// Enable TURN for answer peer by default
|
|
ice_transport_list_[remote_user_id] = std::make_unique<IceTransport>(
|
|
false, transmission_id, user_id_, remote_user_id, ws_transport_,
|
|
on_ice_status_change_, user_data_);
|
|
|
|
ice_transport_list_[remote_user_id]->SetLocalCapabilities(
|
|
hardware_acceleration_, trickle_ice_, reliable_ice_, enable_turn_,
|
|
false, video_payload_types_, audio_payload_types_);
|
|
|
|
ice_transport_list_[remote_user_id]->SetOnReceiveVideoFunc(
|
|
on_receive_video_frame_);
|
|
ice_transport_list_[remote_user_id]->SetOnReceiveAudioFunc(
|
|
on_receive_audio_buffer_);
|
|
ice_transport_list_[remote_user_id]->SetOnReceiveDataFunc(
|
|
on_receive_data_buffer_);
|
|
|
|
ice_transport_list_[remote_user_id]->SetOnReceiveNetStatusReportFunc(
|
|
net_status_report_);
|
|
|
|
ice_transport_list_[remote_user_id]->InitIceTransmission(
|
|
cfg_stun_server_ip_, stun_server_port_, cfg_turn_server_ip_,
|
|
turn_server_port_, cfg_turn_server_username_,
|
|
cfg_turn_server_password_,
|
|
av1_encoding_ ? RtpPacket::AV1 : RtpPacket::H264);
|
|
ice_transport_list_[remote_user_id]->SetTransmissionId(transmission_id);
|
|
}
|
|
|
|
std::string remote_sdp = msg.remote_sdp;
|
|
int ret = ice_transport_list_[remote_user_id]->SetRemoteSdp(remote_sdp);
|
|
if (0 != ret) {
|
|
NegotiationFailed();
|
|
break;
|
|
}
|
|
|
|
if (trickle_ice_) {
|
|
sdp_without_cands_ = remote_sdp;
|
|
ice_transport_list_[remote_user_id]->SendAnswer();
|
|
}
|
|
ice_transport_list_[remote_user_id]->GatherCandidates();
|
|
|
|
break;
|
|
}
|
|
case IceWorkMsg::Type::Answer: {
|
|
std::string remote_user_id = msg.remote_user_id;
|
|
std::string remote_sdp = msg.remote_sdp;
|
|
if (ice_transport_list_.find(remote_user_id) !=
|
|
ice_transport_list_.end()) {
|
|
int ret = ice_transport_list_[remote_user_id]->SetRemoteSdp(remote_sdp);
|
|
if (0 != ret) {
|
|
Leave(remote_transmission_id_);
|
|
break;
|
|
}
|
|
|
|
if (trickle_ice_) {
|
|
sdp_without_cands_ = remote_sdp;
|
|
ice_transport_list_[remote_user_id]->GatherCandidates();
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
case IceWorkMsg::Type::NewCandidate: {
|
|
std::string transmission_id = msg.transmission_id;
|
|
std::string new_candidate = msg.new_candidate;
|
|
std::string remote_user_id = msg.remote_user_id;
|
|
|
|
// LOG_INFO("[{}] receive new candidate from [{}]:[{}]", user_id_,
|
|
// remote_user_id, new_candidate);
|
|
|
|
if (ice_transport_list_.find(remote_user_id) !=
|
|
ice_transport_list_.end()) {
|
|
ice_transport_list_[remote_user_id]->SetRemoteSdp(sdp_without_cands_ +
|
|
new_candidate);
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
} |