36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
package congestion
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import (
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"time"
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"github.com/lucas-clemente/quic-go/protocol"
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)
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// A SendAlgorithm performs congestion control and calculates the congestion window
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type SendAlgorithm interface {
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TimeUntilSend(now time.Time, bytesInFlight protocol.ByteCount) time.Duration
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OnPacketSent(sentTime time.Time, bytesInFlight protocol.ByteCount, packetNumber protocol.PacketNumber, bytes protocol.ByteCount, isRetransmittable bool) bool
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GetCongestionWindow() protocol.ByteCount
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OnCongestionEvent(rttUpdated bool, bytesInFlight protocol.ByteCount, ackedPackets PacketVector, lostPackets PacketVector)
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SetNumEmulatedConnections(n int)
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OnRetransmissionTimeout(packetsRetransmitted bool)
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OnConnectionMigration()
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RetransmissionDelay() time.Duration
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// Experiments
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SetSlowStartLargeReduction(enabled bool)
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}
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// SendAlgorithmWithDebugInfo adds some debug functions to SendAlgorithm
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type SendAlgorithmWithDebugInfo interface {
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SendAlgorithm
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BandwidthEstimate() Bandwidth
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// Stuff only used in testing
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HybridSlowStart() *HybridSlowStart
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SlowstartThreshold() protocol.PacketNumber
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RenoBeta() float32
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InRecovery() bool
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}
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