mirror of
https://github.com/mii443/libdatachannel.git
synced 2025-08-23 15:48:03 +00:00
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/**
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* Copyright (c) 2019-2020 Paul-Louis Ageneau
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* Copyright (c) 2019 Murat Dogan
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* Copyright (c) 2020 Will Munn
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* Copyright (c) 2020 Lara Mackey
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "rtc/rtc.hpp"
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#include <nlohmann/json.hpp>
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#include <iostream>
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#include <memory>
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using namespace rtc;
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using namespace std;
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using namespace std::chrono_literals;
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using json = nlohmann::json;
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template <class T> weak_ptr<T> make_weak_ptr(shared_ptr<T> ptr) { return ptr; }
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int main(int argc, char **argv) {
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rtc::InitLogger(LogLevel::Warning);
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Configuration config;
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config.iceServers.emplace_back("stun.l.google.com:19302"); // change to your STUN server
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auto pc = std::make_shared<PeerConnection>(config);
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const std::string url = "ws://localhost:8000/";
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auto ws = std::make_shared<WebSocket>(url);
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ws->onOpen([]() {
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});
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ws->onMessage([wpc = make_weak_ptr(pc)](const std::variant<binary, string> &data) {
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auto pc = wpc.lock();
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if (pc && holds_alternative<string>(data)) {
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json message = json::parse(data.get<string>());
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if (auto it = message.find("type")) {
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auto type = it->second.get<string>();
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if (type == "offer" || type == "answer") {
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auto str = message["description"].get<string>();
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pc->setRemoteDescription(Description(str, type));
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} else if (type == "candidate") {
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auto str = message["candidate"].get<string>();
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auto mid = message["mid"].get<string>();
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pc->addRemoteCandidate(Candidate(str, mid));
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}
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}
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}
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});
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ws->onClosed([]() {
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});
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pc->onLocalDescription([wws = make_weak_ptr(ws)](const Description &description) {
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json message = {{"type", description.typeString()},
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{"description", std::string(description)}};
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if (auto ws = wws.lock())
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ws->send(message.dump());
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});
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pc->onLocalCandidate([wws = make_weak_ptr(ws)](const Candidate &candidate) {
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json message = {
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{"type", "candidate"}, {"candidate", std::string(candidate)}, {"mid", candidate.mid()}};
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if (auto ws = wws.lock())
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ws->send(message.dump());
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});
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pc->onStateChange([wpc = make_weak_ptr(pc)](PeerConnection::State state) {
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cout << "State: " << state << endl;
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});
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pc->onGatheringStateChange(
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[](PeerConnection::GatheringState state) { cout << "Gathering State: " << state << endl; });
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auto dc = pc->createDataChannel("test"); // this is the offerer, so create a data channel
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dc->onOpen([&]() { cout << "DataChannel open: " << dc->label() << endl; });
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dc->onClosed([&]() { cout << "DataChannel closed: " << dc->label() << endl; });
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dc->onMessage([](const variant<binary, string> &message) {
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if (holds_alternative<string>(message)) {
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cout << "Received: " << get<string>(message) << endl;
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}
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});
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// TODO
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if (dc)
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dc->close();
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if (pc)
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pc->close();
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}
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