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package logging
import (
"net"
"time"
)
//go:generate go run generate_multiplexer.go ConnectionTracer connection_tracer.go multiplexer.tmpl connection_tracer_multiplexer.go
// A ConnectionTracer records events.
type ConnectionTracer struct {
StartedConnection func(local, remote net.Addr, srcConnID, destConnID ConnectionID)
NegotiatedVersion func(chosen Version, clientVersions, serverVersions []Version)
ClosedConnection func(err error)
SentTransportParameters func(parameters *TransportParameters)
ReceivedTransportParameters func(parameters *TransportParameters)
RestoredTransportParameters func(parameters *TransportParameters) // for 0-RTT
SentLongHeaderPacket func(hdr *ExtendedHeader, size ByteCount, ecn ECN, ack *AckFrame, frames []Frame)
SentShortHeaderPacket func(hdr *ShortHeader, size ByteCount, ecn ECN, ack *AckFrame, frames []Frame)
ReceivedVersionNegotiationPacket func(dest, src ArbitraryLenConnectionID, versions []Version)
ReceivedRetry func(hdr *Header)
ReceivedLongHeaderPacket func(hdr *ExtendedHeader, size ByteCount, ecn ECN, frames []Frame)
ReceivedShortHeaderPacket func(hdr *ShortHeader, size ByteCount, ecn ECN, frames []Frame)
BufferedPacket func(packetType PacketType, size ByteCount)
DroppedPacket func(packetType PacketType, pn PacketNumber, size ByteCount, reason PacketDropReason)
UpdatedMetrics func(rttStats *RTTStats, cwnd, bytesInFlight ByteCount, packetsInFlight int)
AcknowledgedPacket func(encLevel EncryptionLevel, pn PacketNumber)
LostPacket func(encLevel EncryptionLevel, pn PacketNumber, reason PacketLossReason)
UpdatedMTU func(mtu ByteCount, done bool)
UpdatedCongestionState func(state CongestionState)
UpdatedPTOCount func(value uint32)
UpdatedKeyFromTLS func(encLevel EncryptionLevel, p Perspective)
UpdatedKey func(keyPhase KeyPhase, remote bool)
DroppedEncryptionLevel func(encLevel EncryptionLevel)
DroppedKey func(keyPhase KeyPhase)
SetLossTimer func(timerType TimerType, encLevel EncryptionLevel, time time.Time)
LossTimerExpired func(timerType TimerType, encLevel EncryptionLevel)
LossTimerCanceled func()
ECNStateUpdated func(state ECNState, trigger ECNStateTrigger)
ChoseALPN func(protocol string)
// Close is called when the connection is closed.
Close func()
Debug func(name, msg string)
}
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