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interface.go
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interface.go
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package congestion
import (
"time"
"v2ray.com/core/external/github.com/lucas-clemente/quic-go/internal/protocol"
)
// A SendAlgorithm performs congestion control and calculates the congestion window
type SendAlgorithm interface {
TimeUntilSend(bytesInFlight protocol.ByteCount) time.Duration
OnPacketSent(sentTime time.Time, bytesInFlight protocol.ByteCount, packetNumber protocol.PacketNumber, bytes protocol.ByteCount, isRetransmittable bool)
GetCongestionWindow() protocol.ByteCount
MaybeExitSlowStart()
OnPacketAcked(number protocol.PacketNumber, ackedBytes protocol.ByteCount, priorInFlight protocol.ByteCount, eventTime time.Time)
OnPacketLost(number protocol.PacketNumber, lostBytes protocol.ByteCount, priorInFlight protocol.ByteCount)
SetNumEmulatedConnections(n int)
OnRetransmissionTimeout(packetsRetransmitted bool)
OnConnectionMigration()
// Experiments
SetSlowStartLargeReduction(enabled bool)
}
// SendAlgorithmWithDebugInfo adds some debug functions to SendAlgorithm
type SendAlgorithmWithDebugInfo interface {
SendAlgorithm
BandwidthEstimate() Bandwidth
// Stuff only used in testing
HybridSlowStart() *HybridSlowStart
SlowstartThreshold() protocol.ByteCount
RenoBeta() float32
InRecovery() bool
}