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Decrease latency of RX seqbuf

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This commit is contained in:
Nonoo 2020-11-21 11:01:37 +01:00
parent 44f5b15994
commit bed7d95f7c
5 changed files with 220 additions and 116 deletions
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12
serialstream.go
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@ -106,15 +106,7 @@ func (s *serialStream) handleRxSeqBufEntry(e seqBufEntry) {
func (s *serialStream) handleSerialPacket(r []byte) error {
gotSeq := binary.LittleEndian.Uint16(r[6:8])
addedToFront, _ := s.rxSeqBuf.add(seqNum(gotSeq), r)
// If the packet is not added to the front of the seqbuf, then it means that it was an answer for a
// retransmit request (or it was an out of order packet which we don't want start a retransmit).
if !addedToFront {
return nil
}
return s.common.requestRetransmitIfNeeded(gotSeq)
return s.rxSeqBuf.add(seqNum(gotSeq), r)
}
func (s *serialStream) handleRead(r []byte) error {
@ -246,7 +238,7 @@ func (s *serialStream) init(devName string) error {
log.Print("stream started")
s.rxSeqBufEntryChan = make(chan seqBufEntry)
s.rxSeqBuf.init(serialRxSeqBufLength, 0xffff, 0, s.rxSeqBufEntryChan)
s.rxSeqBuf.init(serialRxSeqBufLength, 0xffff, 0, s.rxSeqBufEntryChan, s.common.requestRetransmit)
s.deinitNeededChan = make(chan bool)
s.deinitFinishedChan = make(chan bool)