ChooseSupportedVersion finds the best version in the overlap of ours and theirs ours is a slice of versions that we support, sorted by our preference (descending) theirs is a slice of versions offered by the peer.

DecodePacketNumber calculates the packet number based on the received packet number, its length and the last seen packet number.

GenerateConnectionID generates a connection ID using cryptographic random.

GenerateConnectionIDForInitial generates a connection ID for the Initial packet.

GetGreasedVersions adds one reserved version number to a slice of version numbers, at a random position.

GetPacketNumberLengthForHeader gets the length of the packet number for the public header it never chooses a PacketNumberLen of 1 byte, since this is too short under certain circumstances.

IsSupportedVersion returns true if the server supports this version.

IsValidVersion says if the version is known to quic.

ReadConnectionID reads a connection ID of length len from the given io.Reader.

StripGreasedVersions strips all greased versions from a slice of versions.

AckDelayExponent is the ack delay exponent used when sending ACKs.

ConnectionFlowControlMultiplier determines how much larger the connection flow control windows needs to be relative to any stream's flow control window This is the value that Chromium is using.

DefaultAckDelayExponent is the default ack delay exponent.

DefaultConnectionIDLength is the connection ID length that is used for multiplexed connections if no other value is configured.

DefaultHandshakeTimeout is the default timeout for a connection until the crypto handshake succeeds.

DefaultIdleTimeout is the default idle timeout.

DefaultMaxAckDelay is the default max_ack_delay.

DefaultMaxCongestionWindow is the default for the max congestion window.

DefaultMaxIncomingStreams is the maximum number of streams that a peer may open.

DefaultMaxIncomingUniStreams is the maximum number of unidirectional streams that a peer may open.

12 MB.

6 MB.

DefaultTCPMSS is the default maximum packet size used in the Linux TCP implementation.

Encryption1RTT is the 1-RTT encryption level.

EncryptionHandshake is the Handshake encryption level.

EncryptionInitial is the Initial encryption level.

EncryptionUnspecified is a not specified encryption level.

InitialCongestionWindow is the initial congestion window in QUIC packets.

InitialMaxData is the connection-level flow control window for receiving data.

512 kb.

InvalidPacketNumber is a packet number that is never sent.

InvalidPacketNumber is a stream ID that is invalid.

InvalidStreamNum is an invalid stream number.

KeyPhaseOne is key phase 1.

KeyPhaseZero is key phase 0.

KeyUpdateInterval is the maximum number of packets we send or receive before initiating a key udpate.

MaxAcceptQueueSize is the maximum number of sessions that the server queues for accepting.

MaxAckDelay is the maximum time by which we delay sending ACKs.

MaxAckDelayExponent is the maximum ack delay exponent.

MaxAckDelayInclGranularity is the max_ack_delay including the timer granularity.

MaxAckFrameSize is the maximum size for an ACK frame that we write Due to the varint encoding, ACK frames can grow (almost) indefinitely large.

MaxByteCount is the maximum value of a ByteCount.

MaxConnIDLen is the maximum length of the connection ID.

MaxCryptoStreamOffset is the maximum offset allowed on any of the crypto streams.

MaxMaxAckDelay is the maximum max_ack_delay.

MaxNonAckElicitingAcks is the maximum number of packets containing an ACK, but no ack-eliciting frames, that we send in a row.

MaxNumAckRanges is the maximum number of ACK ranges that we send in an ACK frame.

MaxOutstandingSentPackets is maximum number of packets saved for retransmission.

MaxPacketSizeIPv4 is the maximum packet size that we use for sending IPv4 packets.

MaxPacketSizeIPv6 is the maximum packet size that we use for sending IPv6 packets.

MaxPostHandshakeCryptoFrameSize is the maximum size of CRYPTO frames we send after the handshake completes.

MaxReceivePacketSize maximum packet size of any QUIC packet, based on ethernet's max size, minus the IP and UDP headers.

MaxSessionUnprocessedPackets is the max number of packets stored in each session that are not yet processed.

MaxStreamCount is the maximum stream count value that can be sent in MAX_STREAMS frames and as the stream count in the transport parameters.

MaxStreamFrameSorterGaps is the maximum number of gaps between received StreamFrames prevents DoS attacks against the streamFrameSorter.

MaxTrackedSentPackets is maximum number of sent packets saved for retransmission.

MaxTrackedSkippedPackets is the maximum number of skipped packet numbers the SentPacketHandler keep track of for Optimistic ACK attack mitigation.

MaxUndecryptablePackets limits the number of undecryptable packets that are queued in the session.

MinConnectionIDLenInitial is the minimum length of the destination connection ID on an Initial packet.

MinInitialPacketSize is the minimum size an Initial packet is required to have.

MinPacingDelay is the minimum duration that is used for packet pacing If the packet packing frequency is higher, multiple packets might be sent at once.

MinRemoteIdleTimeout is the minimum value that we accept for the remote idle timeout.

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MinStreamFrameBufferSize is the minimum data length of a received STREAM frame that we use the buffer for.

MinStreamFrameSize is the minimum size that has to be left in a packet, so that we add another STREAM frame.

PacketNumberLen1 is a packet number length of 1 byte.

PacketNumberLen2 is a packet number length of 2 bytes.

PacketNumberLen3 is a packet number length of 3 bytes.

PacketNumberLen4 is a packet number length of 4 bytes.

PacketNumberLenInvalid is the default value and not a valid length for a packet number.

PacketType0RTT is the packet type of a 0-RTT packet.

PacketTypeHandshake is the packet type of a Handshake packet.

PacketTypeInitial is the packet type of an Initial packet.

PacketTypeRetry is the packet type of a Retry packet.

the perspectives.

the perspectives.

RetiredConnectionIDDeleteTimeout is the time we keep closed sessions around in order to retransmit the CONNECTION_CLOSE.

RetryTokenValidity is the duration that a retry token is considered valid.

SkipPacketAveragePeriodLength is the average period length in which one packet number is skipped to prevent an Optimistic ACK attack.

StreamTypeBidi is a bidirectional stream.

StreamTypeUni is a unidirectional stream.

Estimated timer granularity.

TokenValidity is the duration that a (non-retry) token is considered valid.

The version numbers, making grepping easier.

The version numbers, making grepping easier.

for when the version doesn't matter.

WindowUpdateThreshold is the fraction of the receive window that has to be consumed before an higher offset is advertised to the client.

SupportedVersions lists the versions that the server supports must be in sorted descending order.

An ApplicationErrorCode is an application-defined error code.

A ByteCount in QUIC.

A ConnectionID in QUIC.

EncryptionLevel is the encryption level Default value is Unencrypted.

KeyPhase is the key phase.

KeyPhaseBit is the key phase bit.

A PacketNumber in QUIC.

PacketNumberLen is the length of the packet number in bytes.

The PacketType is the Long Header Type.

Perspective determines if we're acting as a server or a client.

A StreamID in QUIC.

StreamNum is the stream number.

StreamType encodes if this is a unidirectional or bidirectional stream.

VersionNumber is a version number as int.