2018-11-20 17:51:25 -05:00
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package congestion
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import (
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"time"
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2019-01-17 09:33:18 -05:00
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"v2ray.com/core/external/github.com/lucas-clemente/quic-go/internal/protocol"
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2018-11-20 17:51:25 -05:00
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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(bytesInFlight protocol.ByteCount) time.Duration
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OnPacketSent(sentTime time.Time, bytesInFlight protocol.ByteCount, packetNumber protocol.PacketNumber, bytes protocol.ByteCount, isRetransmittable bool)
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GetCongestionWindow() protocol.ByteCount
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MaybeExitSlowStart()
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OnPacketAcked(number protocol.PacketNumber, ackedBytes protocol.ByteCount, priorInFlight protocol.ByteCount, eventTime time.Time)
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OnPacketLost(number protocol.PacketNumber, lostBytes protocol.ByteCount, priorInFlight protocol.ByteCount)
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SetNumEmulatedConnections(n int)
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OnRetransmissionTimeout(packetsRetransmitted bool)
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OnConnectionMigration()
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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.ByteCount
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RenoBeta() float32
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InRecovery() bool
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}
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