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optimize srt handle shake

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This commit is contained in:
xiongguangjie 2022-08-27 12:46:35 +08:00
parent f0ae5a1bd7
commit beb6383e72
2 changed files with 41 additions and 6 deletions
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45
srt/SrtTransport.cpp
View File

@ -116,14 +116,41 @@ void SrtTransport::inputSockData(uint8_t *buf, int len, struct sockaddr_storage
}
}
}
bool SrtTransport::isSameCon(HandshakePacket &pkt) {
if (_handleshake_res) {
if (_handleshake_res->handshake_type == HandshakePacket::HS_TYPE_INDUCTION) {
if (pkt.srt_socket_id == _handleshake_res->dst_socket_id
&& pkt.initial_packet_sequence_number == _init_seq_number) {
return true;
}
// TraceL << getIdentifier() << " new client from same udp connection";
return false;
} else if (_handleshake_res->handshake_type == HandshakePacket::HS_TYPE_CONCLUSION) {
if (pkt.srt_socket_id == _handleshake_res->dst_socket_id && _sync_cookie == pkt.syn_cookie) {
return true;
}
// TraceL << getIdentifier() << " new client from new same udp connection ";
return false;
} else {
WarnL << "not reach this";
}
return false;
}
return true;
}
void SrtTransport::handleHandshakeInduction(HandshakePacket &pkt, struct sockaddr_storage *addr) {
// Induction Phase
TraceL << getIdentifier() << " Induction Phase ";
if (_handleshake_res) {
TraceL << getIdentifier() << " Induction handle repeate ";
sendControlPacket(_handleshake_res, true);
if(isSameCon(pkt)){
TraceL << getIdentifier() <<" Induction repeate "<<SockUtil::inet_ntoa((struct sockaddr *)addr) << ":" << SockUtil::inet_port((struct sockaddr *)addr);
sendControlPacket(_handleshake_res, true);
}else{
TraceL << getIdentifier() <<" new connection fron client "<<SockUtil::inet_ntoa((struct sockaddr *)addr) << ":" << SockUtil::inet_port((struct sockaddr *)addr);
onShutdown(SockException(Err_other, "client new connection"));
}
return;
}else{
TraceL << getIdentifier() <<" Induction from "<<SockUtil::inet_ntoa((struct sockaddr *)addr) << ":" << SockUtil::inet_port((struct sockaddr *)addr);
}
_induction_ts = _now;
_start_timestamp = _now;
@ -222,8 +249,14 @@ void SrtTransport::handleHandshakeConclusion(HandshakePacket &pkt, struct sockad
_buf_delay = delay;
onHandShakeFinished(_stream_id, addr);
} else {
TraceL << getIdentifier() << " CONCLUSION handle repeate ";
sendControlPacket(_handleshake_res, true);
if(isSameCon(pkt)){
TraceL << getIdentifier() <<" CONCLUSION repeate "<<SockUtil::inet_ntoa((struct sockaddr *)addr) << ":" << SockUtil::inet_port((struct sockaddr *)addr);
sendControlPacket(_handleshake_res, true);
}else{
TraceL << getIdentifier() <<" new connection fron client "<<SockUtil::inet_ntoa((struct sockaddr *)addr) << ":" << SockUtil::inet_port((struct sockaddr *)addr);
onShutdown(SockException(Err_other, "client new connection"));
}
}
_last_ack_pkt_seq_num = _init_seq_number;
}

2
srt/SrtTransport.hpp
View File

@ -88,6 +88,8 @@ private:
size_t getPayloadSize();
bool isSameCon(HandshakePacket &pkt);
protected:
void sendDataPacket(DataPacket::Ptr pkt, char *buf, int len, bool flush = false);
void sendControlPacket(ControlPacket::Ptr pkt, bool flush = true);