mirror of
https://github.com/kunkundi/crossdesk.git
synced 2026-05-24 23:01:42 +08:00
dijunkun
320 lines
11 KiB
C++
320 lines
11 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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static const std::map<std::string, unsigned int> siganl_types{
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{"ws_connection_id", 1},
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{"offer", 2},
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{"transmission_id", 3},
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{"remote_sdp", 4},
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{"candidate", 5}};
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PeerConnection::PeerConnection() {}
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PeerConnection::~PeerConnection() {}
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int PeerConnection::Create(PeerConnectionParams params,
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const std::string &transmission_id,
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const std::string &user_id) {
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user_id_ = user_id;
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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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std::regex regex("\n");
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LOG_INFO("Read config success");
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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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on_receive_ws_msg_ = [this](const std::string &msg) {
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auto j = json::parse(msg);
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std::string type = j["type"];
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LOG_INFO("msg type :{}", type.c_str());
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switch (HASH_STRING_PIECE(type.c_str())) {
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case "ws_connection_id"_H: {
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ws_connection_id_ = j["ws_connection_id"].get<unsigned int>();
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LOG_INFO("Receive local peer websocket connection id [{}]",
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ws_connection_id_);
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signal_status_ = SignalStatus::Connected;
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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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transmission_id_ = j["transmission_id"].get<std::string>();
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LOG_INFO("Create transmission success with id [{}]",
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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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transmission_id_, 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 "offer"_H: {
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std::string remote_sdp = j["sdp"].get<std::string>();
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if (remote_sdp.empty()) {
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LOG_INFO("Invalid remote sdp");
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} else {
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std::string ice_username = GetIceUsername(remote_sdp);
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LOG_INFO("Receive remote sdp from [{}]", ice_username);
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// IceTransmission *ice_transmission =
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// new IceTransmission(false, ws_transport_, on_receive_ice_msg_);
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ice_transmission_list_[ice_username] = new IceTransmission(
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false, ice_username, ws_transport_, on_receive_ice_msg_);
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ice_transmission_list_[ice_username]->InitIceTransmission(
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cfg_stun_server_ip_, stun_server_port_);
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ice_transmission_list_[ice_username]->SetTransmissionId(
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transmission_id_);
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ice_transmission_list_[ice_username]->SetRemoteSdp(remote_sdp);
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ice_transmission_list_[ice_username]->GatherCandidates();
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}
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break;
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}
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default: {
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// ice_transmission_->OnReceiveMessage(msg);
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break;
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}
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}
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};
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on_receive_ice_msg_ = [this](const char *data, size_t size) {
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std::string msg(data, size);
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LOG_INFO("Receive data: [{}]", msg.c_str());
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};
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ws_transport_ = new WsTransmission(on_receive_ws_msg_);
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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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do {
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LOG_INFO("GetSignalStatus = {}", GetSignalStatus());
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} while (SignalStatus::Connected != GetSignalStatus());
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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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if (ws_transport_) {
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ws_transport_->Send(message.dump());
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LOG_INFO("Send create transmission request: {}", message.dump().c_str());
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}
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return 0;
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}
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int PeerConnection::Join(PeerConnectionParams params,
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const std::string &transmission_id,
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const std::string &user_id) {
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// Todo: checkout user_id unique or not
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user_id_ = user_id;
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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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std::regex regex("\n");
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LOG_INFO("Read config success");
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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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on_receive_ws_msg_ = [this](const std::string &msg) {
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// do {
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// } while (ice_transmission_list_.empty());
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auto j = json::parse(msg);
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std::string type = j["type"];
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LOG_INFO("msg type :{}", type);
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switch (HASH_STRING_PIECE(type.c_str())) {
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case "transmission_members"_H: {
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transmission_member_list_ = j["transmission_members"];
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std::string transmission_id = j["transmission_id"];
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LOG_INFO("Transmission [{}] members: [", transmission_id);
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for (auto member : transmission_member_list_) {
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LOG_INFO("{}", member);
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}
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LOG_INFO("]");
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if (transmission_member_list_.size() == 1 &&
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transmission_member_list_[0] == "host") {
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ice_transmission_list_["host"] = new IceTransmission(
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true, "host", ws_transport_, on_receive_ice_msg_);
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ice_transmission_list_["host"]->InitIceTransmission(
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cfg_stun_server_ip_, stun_server_port_);
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ice_transmission_list_["host"]->JoinTransmission(transmission_id,
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user_id_);
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} else {
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for (auto &member : transmission_member_list_) {
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ice_transmission_list_[member] = new IceTransmission(
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true, member, ws_transport_, on_receive_ice_msg_);
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ice_transmission_list_[member]->InitIceTransmission(
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cfg_stun_server_ip_, stun_server_port_);
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ice_transmission_list_[member]->JoinTransmission(transmission_id,
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user_id_);
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}
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}
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break;
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}
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case "ws_connection_id"_H: {
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ws_connection_id_ = j["ws_connection_id"].get<unsigned int>();
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LOG_INFO("Receive local peer websocket connection id [{}]",
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ws_connection_id_);
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signal_status_ = SignalStatus::Connected;
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break;
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}
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case "offer"_H: {
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std::string remote_sdp = j["sdp"].get<std::string>();
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if (remote_sdp.empty()) {
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LOG_INFO("Invalid remote sdp");
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} else {
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std::string ice_username = GetIceUsername(remote_sdp);
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LOG_INFO("Receive remote sdp from [{}]", ice_username);
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// IceTransmission *ice_transmission =
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// new IceTransmission(false, ws_transport_, on_receive_ice_msg_);
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ice_transmission_list_[ice_username] = new IceTransmission(
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false, ice_username, ws_transport_, on_receive_ice_msg_);
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ice_transmission_list_[ice_username]->InitIceTransmission(
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cfg_stun_server_ip_, stun_server_port_);
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ice_transmission_list_[ice_username]->SetRemoteSdp(remote_sdp);
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ice_transmission_list_[ice_username]->GatherCandidates();
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}
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break;
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}
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case "remote_sdp"_H: {
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std::string remote_sdp = j["sdp"].get<std::string>();
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if (remote_sdp.empty()) {
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LOG_INFO("remote_sdp is empty");
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} else {
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std::string ice_username = GetIceUsername(remote_sdp);
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LOG_INFO("Receive remote sdp from [{}]", ice_username);
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// LOG_INFO("Receive remote sdp [{}]", remote_sdp);
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// if (ice_transmission_list_.size() == 1 &&
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// ice_transmission_list_.begin()->first == "host") {
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// ice_transmission_list_["host"]->SetRemoteSdp(remote_sdp);
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// } else if (ice_transmission_list_.find(ice_username) ==
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// ice_transmission_list_.end()) {
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// ice_transmission_list_[ice_username] = new IceTransmission(
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// false, ice_username, ws_transport_, on_receive_ice_msg_);
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// ice_transmission_list_[ice_username]->InitIceTransmission(
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// cfg_stun_server_ip_, stun_server_port_);
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// ice_transmission_list_[ice_username]->SetRemoteSdp(remote_sdp);
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// }
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if (ice_transmission_list_.size() == 1 &&
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ice_transmission_list_.begin()->first == "host") {
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ice_transmission_list_["host"]->SetRemoteSdp(remote_sdp);
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} else if (ice_transmission_list_.find(ice_username) !=
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ice_transmission_list_.end()) {
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ice_transmission_list_[ice_username]->SetRemoteSdp(remote_sdp);
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}
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// if (!offer_peer_) {
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// GatherCandidates();
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// }
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}
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break;
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}
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case "candidate"_H: {
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std::string remote_sdp_with_candidates = j["sdp"].get<std::string>();
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std::string ice_username = GetIceUsername(remote_sdp_with_candidates);
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LOG_INFO("Receive remote candidates from [{}]", ice_username);
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// LOG_INFO("Receive candidate [{}]", candidate);
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ice_transmission_list_[ice_username]->AddRemoteCandidate(
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remote_sdp_with_candidates);
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break;
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}
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default: {
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ice_transmission_->OnReceiveMessage(msg);
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break;
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}
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}
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};
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on_receive_ice_msg_ = [this](const char *data, size_t size) {
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std::string msg(data, size);
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LOG_INFO("Receive data: [{}]", msg.c_str());
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};
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transmission_id_ = transmission_id;
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ws_transport_ = new WsTransmission(on_receive_ws_msg_);
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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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// ice_transmission_list_["self"] =
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// new IceTransmission(true, ws_transport_, on_receive_ice_msg_);
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// ice_transmission_list_["self"]->InitIceTransmission(cfg_stun_server_ip_,
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// stun_server_port_);
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// ice_transmission_ =
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// new IceTransmission(true, ws_transport_, on_receive_ice_msg_);
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// ice_transmission_->InitIceTransmission(cfg_stun_server_ip,
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// stun_server_port);
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do {
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// LOG_INFO("GetSignalStatus = {}", GetSignalStatus());
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} while (SignalStatus::Connected != GetSignalStatus());
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RequestTransmissionMemberList(transmission_id_);
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// ice_transmission_->JoinTransmission(transmission_id_);
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// ice_transmission_list_["self"]->JoinTransmission(transmission_id_);
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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) {
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LOG_INFO("Request member list");
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json message = {{"type", "query_members"},
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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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}
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return 0;
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}
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int PeerConnection::Destroy() {
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if (ws_transport_) {
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delete ws_transport_;
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}
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return 0;
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}
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SignalStatus PeerConnection::GetSignalStatus() { return signal_status_; }
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int PeerConnection::SendData(const char *data, size_t size) {
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for (auto ice_trans : ice_transmission_list_) {
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ice_trans.second->SendData(data, size);
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}
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return 0;
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} |