Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-08-06 18:50:00 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

send a light ACK every 64, not each after 64

Browse source
This commit is contained in:
Stephen Birarda 2015-07-31 20:12:48 -07:00
parent 826c8d5150
commit bc5ddd3837
2 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
libraries/networking/src/udt/Connection.cpp
View file

@ -73,6 +73,9 @@ void Connection::sendReliablePacket(unique_ptr<Packet> packet) {
void Connection::sync() { void Connection::sync() {
if (_hasReceivedFirstPacket) { if (_hasReceivedFirstPacket) {
// reset the number of light ACKS during this sync interval
_lightACKsDuringSYN = 1;
// we send out a periodic ACK every rate control interval // we send out a periodic ACK every rate control interval
sendACK(); sendACK();
@ -322,8 +325,10 @@ bool Connection::processReceivedSequenceNumber(SequenceNumber sequenceNumber, in
// check if we need to send an ACK, according to CC params // check if we need to send an ACK, according to CC params
if (_congestionControl->_ackInterval > 0 && _packetsSinceACK >= _congestionControl->_ackInterval) { if (_congestionControl->_ackInterval > 0 && _packetsSinceACK >= _congestionControl->_ackInterval) {
sendACK(false); sendACK(false);
} else if (_congestionControl->_lightACKInterval > 0 && _packetsSinceACK >= _congestionControl->_lightACKInterval) { } else if (_congestionControl->_lightACKInterval > 0
&& _packetsSinceACK >= _congestionControl->_lightACKInterval * _lightACKsDuringSYN) {
sendLightACK(); sendLightACK();
++_lightACKsDuringSYN;
} }
if (wasDuplicate) { if (wasDuplicate) {

2
libraries/networking/src/udt/Connection.h
View file

@ -97,6 +97,8 @@ private:
SequenceNumber _lastSentACK; // The last sent ACK SequenceNumber _lastSentACK; // The last sent ACK
SequenceNumber _lastSentACK2; // The last sent ACK sub-sequence number in an ACK2 SequenceNumber _lastSentACK2; // The last sent ACK sub-sequence number in an ACK2
int _lightACKsDuringSYN { 1 }; // The number of lite ACKs sent during SYN interval
int32_t _rtt; // RTT, in microseconds int32_t _rtt; // RTT, in microseconds
int32_t _rttVariance; // RTT variance int32_t _rttVariance; // RTT variance
int _flowWindowSize { udt::MAX_PACKETS_IN_FLIGHT }; // Flow control window size int _flowWindowSize { udt::MAX_PACKETS_IN_FLIGHT }; // Flow control window size