Documentation ¶
Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func HasAckElicitingFrames ¶ added in v0.12.0
HasAckElicitingFrames returns true if at least one frame is ack-eliciting.
func IsFrameAckEliciting ¶ added in v0.12.0
IsFrameAckEliciting returns true if the frame is ack-eliciting.
func NewAckHandler ¶ added in v0.15.0
func NewAckHandler( initialPacketNumber protocol.PacketNumber, initialMaxDatagramSize protocol.ByteCount, rttStats *utils.RTTStats, clientAddressValidated bool, pers protocol.Perspective, tracer logging.ConnectionTracer, logger utils.Logger, version protocol.VersionNumber, ) (SentPacketHandler, ReceivedPacketHandler)
NewAckHandler creates a new SentPacketHandler and a new ReceivedPacketHandler. clientAddressValidated indicates whether the address was validated beforehand by an address validation token. clientAddressValidated has no effect for a client.
Types ¶
type Packet ¶
type Packet struct { PacketNumber protocol.PacketNumber Frames []Frame LargestAcked protocol.PacketNumber // InvalidPacketNumber if the packet doesn't contain an ACK Length protocol.ByteCount EncryptionLevel protocol.EncryptionLevel SendTime time.Time IsPathMTUProbePacket bool // We don't report the loss of Path MTU probe packets to the congestion controller. // contains filtered or unexported fields }
A Packet is a packet
type ReceivedPacketHandler ¶
type ReceivedPacketHandler interface { IsPotentiallyDuplicate(protocol.PacketNumber, protocol.EncryptionLevel) bool ReceivedPacket(pn protocol.PacketNumber, ecn protocol.ECN, encLevel protocol.EncryptionLevel, rcvTime time.Time, shouldInstigateAck bool) error DropPackets(protocol.EncryptionLevel) GetAlarmTimeout() time.Time GetAckFrame(encLevel protocol.EncryptionLevel, onlyIfQueued bool) *wire.AckFrame }
ReceivedPacketHandler handles ACKs needed to send for incoming packets
type SendMode ¶ added in v0.8.0
type SendMode uint8
The SendMode says what kind of packets can be sent.
const ( // SendNone means that no packets should be sent SendNone SendMode = iota // SendAck means an ACK-only packet should be sent SendAck // SendPTOInitial means that an Initial probe packet should be sent SendPTOInitial // SendPTOHandshake means that a Handshake probe packet should be sent SendPTOHandshake // SendPTOAppData means that an Application data probe packet should be sent SendPTOAppData // SendAny means that any packet should be sent SendAny )
type SentPacketHandler ¶
type SentPacketHandler interface { // SentPacket may modify the packet SentPacket(packet *Packet) ReceivedAck(ackFrame *wire.AckFrame, encLevel protocol.EncryptionLevel, recvTime time.Time) (bool, error) ReceivedBytes(protocol.ByteCount) DropPackets(protocol.EncryptionLevel) ResetForRetry() error SetHandshakeConfirmed() // The SendMode determines if and what kind of packets can be sent. SendMode() SendMode // TimeUntilSend is the time when the next packet should be sent. // It is used for pacing packets. TimeUntilSend() time.Time // HasPacingBudget says if the pacer allows sending of a (full size) packet at this moment. HasPacingBudget() bool SetMaxDatagramSize(count protocol.ByteCount) // only to be called once the handshake is complete QueueProbePacket(protocol.EncryptionLevel) bool /* was a packet queued */ PeekPacketNumber(protocol.EncryptionLevel) (protocol.PacketNumber, protocol.PacketNumberLen) PopPacketNumber(protocol.EncryptionLevel) protocol.PacketNumber GetLossDetectionTimeout() time.Time OnLossDetectionTimeout() error }
SentPacketHandler handles ACKs received for outgoing packets
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