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Merge pull request #1999 from ZLMediaKit/feature/gbsendpassive_random_port_return_immediately

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当使用tcp被动模式并且使用随机端口时，马上返回让调用者知道端口，以便生成sdp
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夏楚 2022-09-26 16:16:15 +08:00 committed by GitHub
commit 69736fdb63
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1 changed files with 15 additions and 4 deletions
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15
src/Rtp/RtpSender.cpp
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@ -41,6 +41,8 @@ void RtpSender::startSend(const MediaSourceEvent::SendRtpArgs &args, const funct
if (args.passive) {
// tcp被动发流模式
_args.is_udp = false;
// 默认等待链接
bool is_wait = true;
try {
auto tcp_listener = Socket::createSocket(_poller, false);
if (args.src_port) {
@ -49,18 +51,22 @@ void RtpSender::startSend(const MediaSourceEvent::SendRtpArgs &args, const funct
throw std::invalid_argument(StrPrinter << "open tcp passive server failed on port:" << args.src_port
<< ", err:" << get_uv_errmsg(true));
}
is_wait = true;
} else {
auto pr = std::make_pair(tcp_listener, Socket::createSocket(_poller, false));
//从端口池获取随机端口
makeSockPair(pr, "::", false, false);
// 随机端口不等待，保证调用者可以知道端口
is_wait = false;
}
// tcp服务器默认开启5秒
auto delay_task = _poller->doDelayTask(_args.tcp_passive_close_delay_ms, [tcp_listener, cb]() mutable {
auto delay_task = _poller->doDelayTask(_args.tcp_passive_close_delay_ms, [tcp_listener, cb,is_wait]() mutable {
if(is_wait)
cb(0, SockException(Err_timeout, "wait tcp connection timeout"));
tcp_listener = nullptr;
return 0;
});
tcp_listener->setOnAccept([weak_self, cb, delay_task](Socket::Ptr &sock, std::shared_ptr<void> &complete) {
tcp_listener->setOnAccept([weak_self, cb, delay_task,is_wait](Socket::Ptr &sock, std::shared_ptr<void> &complete) {
auto strong_self = weak_self.lock();
if (!strong_self) {
return;
@ -69,10 +75,15 @@ void RtpSender::startSend(const MediaSourceEvent::SendRtpArgs &args, const funct
delay_task->cancel();
strong_self->_socket_rtp = sock;
strong_self->onConnect();
if(is_wait)
cb(sock->get_local_port(), SockException());
InfoL << "accept connection from:" << sock->get_peer_ip() << ":" << sock->get_peer_port();
});
InfoL << "start tcp passive server on:" << tcp_listener->get_local_port();
if(!is_wait){
// 随机端口马上返回端口，保证调用者知道端口
cb(tcp_listener->get_local_port(), SockException());
}
} catch (std::exception &ex) {
cb(0, SockException(Err_other, ex.what()));
return;