mirror of
https://github.com/refraction-networking/uquic.git
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d52e9f35bc
* ackhandler: detect ECN mangling Mangling means that a path is re-marking all ECN-marked packets as CE. * ackhandler: only detect ECN mangling once all testing packets were sent
128 lines
4.9 KiB
Go
128 lines
4.9 KiB
Go
package logging
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// PacketType is the packet type of a QUIC packet
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type PacketType uint8
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const (
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// PacketTypeInitial is the packet type of an Initial packet
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PacketTypeInitial PacketType = iota
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// PacketTypeHandshake is the packet type of a Handshake packet
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PacketTypeHandshake
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// PacketTypeRetry is the packet type of a Retry packet
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PacketTypeRetry
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// PacketType0RTT is the packet type of a 0-RTT packet
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PacketType0RTT
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// PacketTypeVersionNegotiation is the packet type of a Version Negotiation packet
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PacketTypeVersionNegotiation
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// PacketType1RTT is a 1-RTT packet
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PacketType1RTT
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// PacketTypeStatelessReset is a stateless reset
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PacketTypeStatelessReset
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// PacketTypeNotDetermined is the packet type when it could not be determined
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PacketTypeNotDetermined
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)
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type PacketLossReason uint8
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const (
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// PacketLossReorderingThreshold: when a packet is deemed lost due to reordering threshold
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PacketLossReorderingThreshold PacketLossReason = iota
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// PacketLossTimeThreshold: when a packet is deemed lost due to time threshold
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PacketLossTimeThreshold
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)
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type PacketDropReason uint8
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const (
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// PacketDropKeyUnavailable is used when a packet is dropped because keys are unavailable
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PacketDropKeyUnavailable PacketDropReason = iota
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// PacketDropUnknownConnectionID is used when a packet is dropped because the connection ID is unknown
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PacketDropUnknownConnectionID
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// PacketDropHeaderParseError is used when a packet is dropped because header parsing failed
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PacketDropHeaderParseError
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// PacketDropPayloadDecryptError is used when a packet is dropped because decrypting the payload failed
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PacketDropPayloadDecryptError
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// PacketDropProtocolViolation is used when a packet is dropped due to a protocol violation
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PacketDropProtocolViolation
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// PacketDropDOSPrevention is used when a packet is dropped to mitigate a DoS attack
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PacketDropDOSPrevention
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// PacketDropUnsupportedVersion is used when a packet is dropped because the version is not supported
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PacketDropUnsupportedVersion
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// PacketDropUnexpectedPacket is used when an unexpected packet is received
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PacketDropUnexpectedPacket
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// PacketDropUnexpectedSourceConnectionID is used when a packet with an unexpected source connection ID is received
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PacketDropUnexpectedSourceConnectionID
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// PacketDropUnexpectedVersion is used when a packet with an unexpected version is received
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PacketDropUnexpectedVersion
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// PacketDropDuplicate is used when a duplicate packet is received
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PacketDropDuplicate
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)
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// TimerType is the type of the loss detection timer
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type TimerType uint8
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const (
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// TimerTypeACK is the timer type for the early retransmit timer
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TimerTypeACK TimerType = iota
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// TimerTypePTO is the timer type for the PTO retransmit timer
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TimerTypePTO
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)
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// TimeoutReason is the reason why a connection is closed
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type TimeoutReason uint8
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const (
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// TimeoutReasonHandshake is used when the connection is closed due to a handshake timeout
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// This reason is not defined in the qlog draft, but very useful for debugging.
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TimeoutReasonHandshake TimeoutReason = iota
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// TimeoutReasonIdle is used when the connection is closed due to an idle timeout
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// This reason is not defined in the qlog draft, but very useful for debugging.
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TimeoutReasonIdle
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)
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type CongestionState uint8
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const (
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// CongestionStateSlowStart is the slow start phase of Reno / Cubic
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CongestionStateSlowStart CongestionState = iota
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// CongestionStateCongestionAvoidance is the slow start phase of Reno / Cubic
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CongestionStateCongestionAvoidance
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// CongestionStateRecovery is the recovery phase of Reno / Cubic
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CongestionStateRecovery
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// CongestionStateApplicationLimited means that the congestion controller is application limited
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CongestionStateApplicationLimited
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)
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// ECNState is the state of the ECN state machine (see Appendix A.4 of RFC 9000)
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type ECNState uint8
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const (
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// ECNStateTesting is the testing state
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ECNStateTesting ECNState = 1 + iota
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// ECNStateUnknown is the unknown state
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ECNStateUnknown
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// ECNStateFailed is the failed state
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ECNStateFailed
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// ECNStateCapable is the capable state
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ECNStateCapable
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)
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// ECNStateTrigger is a trigger for an ECN state transition.
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type ECNStateTrigger uint8
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const (
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ECNTriggerNoTrigger ECNStateTrigger = iota
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// ECNFailedNoECNCounts is emitted when an ACK acknowledges ECN-marked packets,
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// but doesn't contain any ECN counts
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ECNFailedNoECNCounts
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// ECNFailedDecreasedECNCounts is emitted when an ACK frame decreases ECN counts
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ECNFailedDecreasedECNCounts
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// ECNFailedLostAllTestingPackets is emitted when all ECN testing packets are declared lost
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ECNFailedLostAllTestingPackets
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// ECNFailedMoreECNCountsThanSent is emitted when an ACK contains more ECN counts than ECN-marked packets were sent
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ECNFailedMoreECNCountsThanSent
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// ECNFailedTooFewECNCounts is emitted when an ACK contains fewer ECN counts than it acknowledges packets
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ECNFailedTooFewECNCounts
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// ECNFailedManglingDetected is emitted when the path marks all ECN-marked packets as CE
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ECNFailedManglingDetected
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)
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