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https://github.com/refraction-networking/uquic.git
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108b6603c8
* remove unused bool return value from sentPacketHandler.getPTOTimeAndSpace * ackhandler: implement timer logic for path probing packets Path probe packets are treated differently from regular packets: The new path might have a vastly different RTT than the original path. Path probe packets are declared lost 1s after they are sent. This value can be reduced, once implement proper retransmission logic for lost path probes. * ackhandler: declare path probes lost on OnLossDetectionTimeout
54 lines
2.3 KiB
Go
54 lines
2.3 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, isPathProbePacket 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, rcvTime time.Time)
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DropPackets(_ protocol.EncryptionLevel, rcvTime time.Time)
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ResetForRetry(rcvTime time.Time)
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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(now time.Time) error
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MigratedPath(now time.Time, initialMaxPacketSize protocol.ByteCount)
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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, rcvTime time.Time)
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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(_ protocol.EncryptionLevel, now time.Time, onlyIfQueued bool) *wire.AckFrame
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}
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