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use PRR when deciding if we're congestion limited

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This commit is contained in:
Marten Seemann
2019-05-19 16:49:55 +02:00
parent 42381ea6f2
commit 3e67c12d76
7 changed files with 93 additions and 66 deletions
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6
internal/ackhandler/sent_packet_handler.go
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@@ -56,7 +56,7 @@ type sentPacketHandler struct {
bytesInFlight protocol.ByteCount
congestion congestion.SendAlgorithm
congestion congestion.SendAlgorithmWithDebugInfos
rttStats *congestion.RTTStats
handshakeComplete bool
@@ -552,9 +552,9 @@ func (h *sentPacketHandler) SendMode() SendMode {
return SendPTO
}
// Only send ACKs if we're congestion limited.
if cwnd := h.congestion.GetCongestionWindow(); h.bytesInFlight > cwnd {
if !h.congestion.CanSend(h.bytesInFlight) {
if h.logger.Debug() {
h.logger.Debugf("Congestion limited: bytes in flight %d, window %d", h.bytesInFlight, cwnd)
h.logger.Debugf("Congestion limited: bytes in flight %d, window %d", h.bytesInFlight, h.congestion.GetCongestionWindow())
}
return SendAck
}