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srt optimize ack send logic ignore too many ack packet

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This commit is contained in:
xiongguangjie 2022-09-23 09:35:10 +08:00
parent 02aad5d256
commit c363b30360
2 changed files with 11 additions and 5 deletions
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12
srt/SrtTransport.cpp
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@ -292,7 +292,7 @@ void SrtTransport::handleHandshakeConclusion(HandshakePacket &pkt, struct sockad
return;
}
//_last_ack_pkt_seq_num = _init_seq_number;
_last_ack_pkt_seq = _init_seq_number;
}
void SrtTransport::handleHandshake(uint8_t *buf, int len, struct sockaddr_storage *addr) {
@ -437,7 +437,13 @@ void SrtTransport::checkAndSendAckNak(){
_light_ack_pkt_count = 0;
_ack_ticker.resetTime(_now);
// send a ack per 10 ms for receiver
if(_last_ack_pkt_seq != _recv_buf->getExpectedSeq()){
//TraceL<<"send a ack packet";
sendACKPacket();
}else{
//TraceL<<" ignore repeate ack packet";
}
} else {
if (_light_ack_pkt_count >= 64) {
// for high bitrate stream send light ack
@ -519,7 +525,7 @@ void SrtTransport::sendACKPacket() {
}
pkt->storeToData();
_ack_send_timestamp[pkt->ack_number] = _now;
//_last_ack_pkt_seq_num = pkt->last_ack_pkt_seq_number;
_last_ack_pkt_seq = pkt->last_ack_pkt_seq_number;
sendControlPacket(pkt, true);
// TraceL<<"send ack "<<pkt->dump();
// TraceL<<_recv_buf->dump();
@ -539,7 +545,7 @@ void SrtTransport::sendLightACKPacket() {
pkt->estimated_link_capacity = 0;
pkt->recv_rate = 0;
pkt->storeToData();
//_last_ack_pkt_seq_num = pkt->last_ack_pkt_seq_number;
_last_ack_pkt_seq = pkt->last_ack_pkt_seq_number;
sendControlPacket(pkt, true);
TraceL << "send ack " << pkt->dump();
}

2
srt/SrtTransport.hpp
View File

@ -133,7 +133,7 @@ private:
uint32_t _rtt_variance = 50 * 1000;
uint32_t _light_ack_pkt_count = 0;
uint32_t _ack_number_count = 0;
//uint32_t _last_ack_pkt_seq_num = 0;
uint32_t _last_ack_pkt_seq = 0;
uint32_t _last_recv_ackack_seq_num = 0;
uint32_t _last_pkt_seq = 0;