Distribution_Service/CC_SDK/Environment/libdatachannel/test/negotiated.cpp
2025-11-11 17:46:19 +08:00

100 lines
2.6 KiB
C++

/**
* Copyright (c) 2019 Paul-Louis Ageneau
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "rtc/rtc.hpp"
#include <atomic>
#include <chrono>
#include <iostream>
#include <memory>
#include <thread>
using namespace rtc;
using namespace std;
void test_negotiated() {
InitLogger(LogLevel::Debug);
Configuration config1;
config1.disableAutoNegotiation = true;
PeerConnection pc1(config1);
Configuration config2;
config2.disableAutoNegotiation = true;
PeerConnection pc2(config2);
pc1.onLocalDescription([&pc2](Description sdp) {
cout << "Description 1: " << sdp << endl;
pc2.setRemoteDescription(string(sdp));
pc2.setLocalDescription(); // Make the answer
});
pc1.onLocalCandidate([&pc2](Candidate candidate) {
cout << "Candidate 1: " << candidate << endl;
pc2.addRemoteCandidate(string(candidate));
});
pc2.onLocalDescription([&pc1](Description sdp) {
cout << "Description 2: " << sdp << endl;
pc1.setRemoteDescription(string(sdp));
});
pc2.onLocalCandidate([&pc1](Candidate candidate) {
cout << "Candidate 2: " << candidate << endl;
pc1.addRemoteCandidate(string(candidate));
});
// Try to open a negotiated channel
DataChannelInit init;
init.negotiated = true;
init.id = 1;
auto negotiated1 = pc1.createDataChannel("negotiated", init);
auto negotiated2 = pc2.createDataChannel("negotiated", init);
// Make the offer
pc1.setLocalDescription();
// Wait a bit
int attempts = 10;
while (!negotiated1->isOpen() || !negotiated2->isOpen() && attempts--)
this_thread::sleep_for(1s);
if (pc1.state() != PeerConnection::State::Connected ||
pc2.state() != PeerConnection::State::Connected)
throw runtime_error("PeerConnection is not connected");
if (!negotiated1->isOpen() || !negotiated2->isOpen())
throw runtime_error("Negotiated DataChannel is not open");
std::atomic<bool> received = false;
negotiated2->onMessage([&received](const variant<binary, string> &message) {
if (holds_alternative<string>(message)) {
cout << "Message 2: " << get<string>(message) << endl;
received = true;
}
});
negotiated1->send("Hello from negotiated channel");
// Wait a bit
attempts = 5;
while (!received && attempts--)
this_thread::sleep_for(1s);
if (!received)
throw runtime_error("Negotiated DataChannel failed");
// Delay close of peer 2 to check closing works properly
pc1.close();
this_thread::sleep_for(1s);
pc2.close();
this_thread::sleep_for(1s);
cout << "Success" << endl;
}