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chore: sync hysteria2 bbr changes

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e0e75c4630
This commit is contained in:
wwqgtxx 2024-06-05 11:56:11 +08:00
parent 7b3c9e94e6
commit 063836fe5d
1 changed files with 6 additions and 7 deletions
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13
transport/tuic/congestion_v2/bbr_sender.go
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@ -62,7 +62,7 @@ const (
// Flag.
defaultStartupFullLossCount = 8
quicBbr2DefaultLossThreshold = 0.02
maxBbrBurstPackets = 3
maxBbrBurstPackets = 10
)
type bbrMode int
@ -334,6 +334,8 @@ func (b *bbrSender) OnPacketSent(
}
b.sampler.OnPacketSent(sentTime, packetNumber, bytes, bytesInFlight, isRetransmittable)
b.maybeAppLimited(bytesInFlight)
}
// CanSend implements the SendAlgorithm interface.
@ -413,8 +415,6 @@ func (b *bbrSender) OnCongestionEventEx(priorInFlight congestion.ByteCount, even
// packet in lost_packets.
var lastPacketSendState sendTimeState
b.maybeApplimited(priorInFlight)
// Update bytesInFlight
b.bytesInFlight = priorInFlight
for _, p := range ackedPackets {
@ -541,7 +541,7 @@ func (b *bbrSender) setDrainGain(drainGain float64) {
b.drainGain = drainGain
}
// What's the current estimated bandwidth in bytes per second.
// Get the current bandwidth estimate. Note that Bandwidth is in bits per second.
func (b *bbrSender) bandwidthEstimate() Bandwidth {
return b.maxBandwidth.GetBest()
}
@ -700,14 +700,13 @@ func (b *bbrSender) checkIfFullBandwidthReached(lastPacketSendState *sendTimeSta
}
}
func (b *bbrSender) maybeApplimited(bytesInFlight congestion.ByteCount) {
func (b *bbrSender) maybeAppLimited(bytesInFlight congestion.ByteCount) {
congestionWindow := b.GetCongestionWindow()
if bytesInFlight >= congestionWindow {
return
}
availableBytes := congestionWindow - bytesInFlight
drainLimited := b.mode == bbrModeDrain && bytesInFlight > congestionWindow/2
if !drainLimited || availableBytes > maxBbrBurstPackets*b.maxDatagramSize {
if availableBytes > maxBbrBurstPackets*b.maxDatagramSize {
b.sampler.OnAppLimited()
}
}