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46 lines
1.8 KiB
Go
46 lines
1.8 KiB
Go
package ackhandler
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import (
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"time"
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"github.com/lucas-clemente/quic-go/internal/protocol"
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"github.com/lucas-clemente/quic-go/internal/wire"
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)
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// SentPacketHandler handles ACKs received for outgoing packets
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type SentPacketHandler interface {
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// SentPacket may modify the packet
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SentPacket(packet *Packet)
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SentPacketsAsRetransmission(packets []*Packet, retransmissionOf protocol.PacketNumber)
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ReceivedAck(ackFrame *wire.AckFrame, withPacketNumber protocol.PacketNumber, encLevel protocol.EncryptionLevel, recvTime time.Time) error
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SetHandshakeComplete()
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// The SendMode determines if and what kind of packets can be sent.
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SendMode() SendMode
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// TimeUntilSend is the time when the next packet should be sent.
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// It is used for pacing packets.
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TimeUntilSend() time.Time
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// ShouldSendNumPackets returns the number of packets that should be sent immediately.
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// It always returns a number greater or equal than 1.
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// A number greater than 1 is returned when the pacing delay is smaller than the minimum pacing delay.
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// Note that the number of packets is only calculated based on the pacing algorithm.
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// Before sending any packet, SendingAllowed() must be called to learn if we can actually send it.
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ShouldSendNumPackets() int
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GetStopWaitingFrame(force bool) *wire.StopWaitingFrame
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GetLowestPacketNotConfirmedAcked() protocol.PacketNumber
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DequeuePacketForRetransmission() (packet *Packet)
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GetPacketNumberLen(protocol.PacketNumber) protocol.PacketNumberLen
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GetAlarmTimeout() time.Time
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OnAlarm() error
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}
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// ReceivedPacketHandler handles ACKs needed to send for incoming packets
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type ReceivedPacketHandler interface {
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ReceivedPacket(packetNumber protocol.PacketNumber, rcvTime time.Time, shouldInstigateAck bool) error
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IgnoreBelow(protocol.PacketNumber)
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GetAlarmTimeout() time.Time
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GetAckFrame() *wire.AckFrame
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}
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