54 lines
2.2 KiB
Go
54 lines
2.2 KiB
Go
package ackhandler
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import (
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"time"
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"github.com/quic-go/quic-go/internal/protocol"
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"github.com/quic-go/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(t time.Time, pn, largestAcked protocol.PacketNumber, streamFrames []StreamFrame, frames []Frame, encLevel protocol.EncryptionLevel, ecn protocol.ECN, size protocol.ByteCount, isPathMTUProbePacket bool)
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// ReceivedAck processes an ACK frame.
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// It does not store a copy of the frame.
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ReceivedAck(f *wire.AckFrame, encLevel protocol.EncryptionLevel, rcvTime time.Time) (bool /* 1-RTT packet acked */, error)
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ReceivedBytes(protocol.ByteCount)
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DropPackets(protocol.EncryptionLevel)
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ResetForRetry(rcvTime time.Time) error
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SetHandshakeConfirmed()
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// The SendMode determines if and what kind of packets can be sent.
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SendMode(now time.Time) 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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SetMaxDatagramSize(count protocol.ByteCount)
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// only to be called once the handshake is complete
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QueueProbePacket(protocol.EncryptionLevel) bool /* was a packet queued */
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ECNMode(isShortHeaderPacket bool) protocol.ECN // isShortHeaderPacket should only be true for non-coalesced 1-RTT packets
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PeekPacketNumber(protocol.EncryptionLevel) (protocol.PacketNumber, protocol.PacketNumberLen)
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PopPacketNumber(protocol.EncryptionLevel) protocol.PacketNumber
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GetLossDetectionTimeout() time.Time
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OnLossDetectionTimeout() error
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}
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type sentPacketTracker interface {
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GetLowestPacketNotConfirmedAcked() protocol.PacketNumber
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ReceivedPacket(protocol.EncryptionLevel)
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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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IsPotentiallyDuplicate(protocol.PacketNumber, protocol.EncryptionLevel) bool
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ReceivedPacket(pn protocol.PacketNumber, ecn protocol.ECN, encLevel protocol.EncryptionLevel, rcvTime time.Time, ackEliciting bool) error
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DropPackets(protocol.EncryptionLevel)
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GetAlarmTimeout() time.Time
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GetAckFrame(encLevel protocol.EncryptionLevel, onlyIfQueued bool) *wire.AckFrame
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}
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