ZLMediaKit/webrtc/WebRtcSession.cpp

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2021-09-08 18:00:55 +08:00
/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#include "WebRtcSession.h"
#include "Util/util.h"
WebRtcSession::WebRtcSession(const Socket::Ptr &sock) : UdpSession(sock) {
socklen_t addr_len = sizeof(_peer_addr);
getpeername(sock->rawFD(), &_peer_addr, &addr_len);
InfoP(this);
}
WebRtcSession::~WebRtcSession() {
InfoP(this);
}
void WebRtcSession::onRecv(const Buffer::Ptr &buffer) {
auto buf = buffer->data();
auto len = buffer->size();
if (!_transport && RTC::StunPacket::IsStun((const uint8_t *) buf, len)) {
std::unique_ptr<RTC::StunPacket> packet(RTC::StunPacket::Parse((const uint8_t *) buf, len));
if (!packet) {
WarnL << "parse stun error";
return;
}
if (packet->GetClass() == RTC::StunPacket::Class::REQUEST &&
packet->GetMethod() == RTC::StunPacket::Method::BINDING) {
//收到binding request请求
_transport = createTransport(packet->GetUsername());
}
}
if (_transport) {
_transport->inputSockData(buf, len, &_peer_addr);
}
}
void WebRtcSession::onError(const SockException &err) {
if (_transport) {
_transport->unrefSelf(err);
_transport = nullptr;
}
}
void WebRtcSession::onManager() {
}
std::shared_ptr<WebRtcTransport> WebRtcSession::createTransport(const string &user_name) {
if (user_name.empty()) {
return nullptr;
}
auto vec = split(user_name, ":");
auto ret = WebRtcTransportImp::getTransport(vec[0]);
ret->setSession(this);
return ret;
}