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Add retransmit request functions

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This commit is contained in:
Nonoo 2020-10-20 11:44:07 +02:00
parent 725aba9e02
commit 1f601c11c7
1 changed files with 27 additions and 1 deletions
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28
audiostream.go
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@ -25,6 +25,32 @@ func (s *audioStream) sendDisconnect() {
s.common.sendDisconnect()
}
func (s *audioStream) sendRetransmitRequest(seqNum uint16) {
p := []byte{0x10, 0x00, 0x00, 0x00, 0x01, 0x00, byte(seqNum), byte(seqNum >> 8),
byte(s.common.localSID >> 24), byte(s.common.localSID >> 16), byte(s.common.localSID >> 8), byte(s.common.localSID),
byte(s.common.remoteSID >> 24), byte(s.common.remoteSID >> 16), byte(s.common.remoteSID >> 8), byte(s.common.remoteSID)}
s.common.send(p)
s.common.send(p)
}
type seqNumRange [2]uint16
func (s *audioStream) sendRetransmitRequestForRanges(seqNumRanges []seqNumRange) {
seqNumBytes := make([]byte, len(seqNumRanges)*4)
for i := 0; i < len(seqNumRanges); i++ {
seqNumBytes[i*2] = byte(seqNumRanges[i][0])
seqNumBytes[i*2+1] = byte(seqNumRanges[i][0] >> 8)
seqNumBytes[i*2+2] = byte(seqNumRanges[i][1])
seqNumBytes[i*2+3] = byte(seqNumRanges[i][1] >> 8)
}
p := append([]byte{0x18, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
byte(s.common.localSID >> 24), byte(s.common.localSID >> 16), byte(s.common.localSID >> 8), byte(s.common.localSID),
byte(s.common.remoteSID >> 24), byte(s.common.remoteSID >> 16), byte(s.common.remoteSID >> 8), byte(s.common.remoteSID)},
seqNumBytes...)
s.common.send(p)
s.common.send(p)
}
func (s *audioStream) handleAudioPacket(r []byte) {
if s.timeoutTimer != nil {
s.timeoutTimer.Stop()
@ -47,7 +73,7 @@ func (s *audioStream) handleAudioPacket(r []byte) {
s.lastReceivedAudioSeq = gotSeq
s.receivedAudio = true
// log.Print("got audio packet ", len(r[24:]), " bytes")
// log.Print("got audio packet ", len(r[24:]), " bytes seq ", gotSeq)
// TODO: audioPipes.source.Write()
}