wire

package
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 Go to latest Published: Dec 12, 2017 License: MIT Imports: 12 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func ComposeGQUICVersionNegotiation 

func ComposeGQUICVersionNegotiation(connID protocol.ConnectionID, versions []protocol.VersionNumber) []byte

ComposeGQUICVersionNegotiation composes a Version Negotiation Packet for gQUIC

func ComposeVersionNegotiation 

func ComposeVersionNegotiation(
	connID protocol.ConnectionID,
	pn protocol.PacketNumber,
	versions []protocol.VersionNumber,
) []byte

ComposeVersionNegotiation composes a Version Negotiation according to the IETF draft

func LogFrame 

func LogFrame(frame Frame, sent bool)

LogFrame logs a frame, either sent or received

func WritePublicReset 

func WritePublicReset(connectionID protocol.ConnectionID, rejectedPacketNumber protocol.PacketNumber, nonceProof uint64) []byte

WritePublicReset writes a Public Reset

Types

type AckFrame 

type AckFrame struct {
	LargestAcked protocol.PacketNumber
	LowestAcked  protocol.PacketNumber
	AckRanges    []AckRange // has to be ordered. The highest ACK range goes first, the lowest ACK range goes last

	// time when the LargestAcked was receiveid
	// this field will not be set for received ACKs frames
	PacketReceivedTime time.Time
	DelayTime          time.Duration
}

An AckFrame is an ACK frame

func ParseAckFrame 

func ParseAckFrame(r *bytes.Reader, version protocol.VersionNumber) (*AckFrame, error)

ParseAckFrame reads an ACK frame

func (*AckFrame) AcksPacket 

func (f *AckFrame) AcksPacket(p protocol.PacketNumber) bool

AcksPacket determines if this ACK frame acks a certain packet number

func (*AckFrame) HasMissingRanges 

func (f *AckFrame) HasMissingRanges() bool

HasMissingRanges returns if this frame reports any missing packets

func (*AckFrame) MinLength 

func (f *AckFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*AckFrame) Write 

func (f *AckFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

Write writes an ACK frame.

type AckRange 

type AckRange struct {
	First protocol.PacketNumber
	Last  protocol.PacketNumber
}

AckRange is an ACK range

type BlockedFrame 

type BlockedFrame struct{}

A BlockedFrame is a BLOCKED frame

func ParseBlockedFrame 

func ParseBlockedFrame(r *bytes.Reader, version protocol.VersionNumber) (*BlockedFrame, error)

ParseBlockedFrame parses a BLOCKED frame

func (*BlockedFrame) MinLength 

func (f *BlockedFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*BlockedFrame) Write 

func (f *BlockedFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

type ConnectionCloseFrame 

type ConnectionCloseFrame struct {
	ErrorCode    qerr.ErrorCode
	ReasonPhrase string
}

A ConnectionCloseFrame in QUIC

func ParseConnectionCloseFrame 

func ParseConnectionCloseFrame(r *bytes.Reader, version protocol.VersionNumber) (*ConnectionCloseFrame, error)

ParseConnectionCloseFrame reads a CONNECTION_CLOSE frame

func (*ConnectionCloseFrame) MinLength 

func (f *ConnectionCloseFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*ConnectionCloseFrame) Write 

func (f *ConnectionCloseFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

Write writes an CONNECTION_CLOSE frame.

type Frame 

type Frame interface {
	Write(b *bytes.Buffer, version protocol.VersionNumber) error
	MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)
}

A Frame in QUIC

func ParseBlockedFrameLegacy 

func ParseBlockedFrameLegacy(r *bytes.Reader, _ protocol.VersionNumber) (Frame, error)

ParseBlockedFrameLegacy parses a BLOCKED frame (in gQUIC format) The frame returned is * a STREAM_BLOCKED frame, if the BLOCKED applies to a stream * a BLOCKED frame, if the BLOCKED applies to the connection

func ParseWindowUpdateFrame 

func ParseWindowUpdateFrame(r *bytes.Reader, _ protocol.VersionNumber) (Frame, error)

ParseWindowUpdateFrame parses a WINDOW_UPDATE frame The frame returned is * a MAX_STREAM_DATA frame, if the WINDOW_UPDATE applies to a stream * a MAX_DATA frame, if the WINDOW_UPDATE applies to the connection

type GoawayFrame 

type GoawayFrame struct {
	ErrorCode      qerr.ErrorCode
	LastGoodStream protocol.StreamID
	ReasonPhrase   string
}

A GoawayFrame is a GOAWAY frame

func ParseGoawayFrame 

func ParseGoawayFrame(r *bytes.Reader, _ protocol.VersionNumber) (*GoawayFrame, error)

ParseGoawayFrame parses a GOAWAY frame

func (*GoawayFrame) MinLength 

func (f *GoawayFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*GoawayFrame) Write 

func (f *GoawayFrame) Write(b *bytes.Buffer, _ protocol.VersionNumber) error
type Header struct {
	Raw              []byte
	ConnectionID     protocol.ConnectionID
	OmitConnectionID bool
	PacketNumberLen  protocol.PacketNumberLen
	PacketNumber     protocol.PacketNumber
	Version          protocol.VersionNumber // VersionNumber sent by the client

	IsVersionNegotiation bool
	SupportedVersions    []protocol.VersionNumber // Version Number sent in a Version Negotiation Packet by the server

	// only needed for the gQUIC Public Header
	VersionFlag          bool
	ResetFlag            bool
	DiversificationNonce []byte

	// only needed for the IETF Header
	Type         protocol.PacketType
	IsLongHeader bool
	KeyPhase     int
	// contains filtered or unexported fields
}

Header is the header of a QUIC packet. It contains fields that are only needed for the gQUIC Public Header and the IETF draft Header.

func ParseHeaderSentByClient 

func ParseHeaderSentByClient(b *bytes.Reader) (*Header, error)

ParseHeaderSentByClient parses the header for a packet that was sent by the client.

func ParseHeaderSentByServer 

func ParseHeaderSentByServer(b *bytes.Reader, version protocol.VersionNumber) (*Header, error)

ParseHeaderSentByServer parses the header for a packet that was sent by the server.

func (*Header) GetLength 

func (h *Header) GetLength(pers protocol.Perspective, version protocol.VersionNumber) (protocol.ByteCount, error)

GetLength determines the length of the Header.

func (*Header) Log 

func (h *Header) Log()

Log logs the Header

func (*Header) Write 

func (h *Header) Write(b *bytes.Buffer, pers protocol.Perspective, version protocol.VersionNumber) error

Write writes the Header.

type MaxDataFrame 

type MaxDataFrame struct {
	ByteOffset protocol.ByteCount
}

A MaxDataFrame carries flow control information for the connection

func ParseMaxDataFrame 

func ParseMaxDataFrame(r *bytes.Reader, version protocol.VersionNumber) (*MaxDataFrame, error)

ParseMaxDataFrame parses a MAX_DATA frame

func (*MaxDataFrame) MinLength 

func (f *MaxDataFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*MaxDataFrame) Write 

func (f *MaxDataFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

Write writes a MAX_STREAM_DATA frame

type MaxStreamDataFrame 

type MaxStreamDataFrame struct {
	StreamID   protocol.StreamID
	ByteOffset protocol.ByteCount
}

A MaxStreamDataFrame carries flow control information for a stream

func ParseMaxStreamDataFrame 

func ParseMaxStreamDataFrame(r *bytes.Reader, version protocol.VersionNumber) (*MaxStreamDataFrame, error)

ParseMaxStreamDataFrame parses a MAX_STREAM_DATA frame

func (*MaxStreamDataFrame) MinLength 

func (f *MaxStreamDataFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*MaxStreamDataFrame) Write 

func (f *MaxStreamDataFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

Write writes a MAX_STREAM_DATA frame

type PingFrame 

type PingFrame struct{}

A PingFrame is a ping frame

func ParsePingFrame 

func ParsePingFrame(r *bytes.Reader, version protocol.VersionNumber) (*PingFrame, error)

ParsePingFrame parses a Ping frame

func (*PingFrame) MinLength 

func (f *PingFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*PingFrame) Write 

func (f *PingFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

type PublicReset 

type PublicReset struct {
	RejectedPacketNumber protocol.PacketNumber
	Nonce                uint64
}

A PublicReset is a PUBLIC_RESET

func ParsePublicReset 

func ParsePublicReset(r *bytes.Reader) (*PublicReset, error)

ParsePublicReset parses a Public Reset

type RstStreamFrame 

type RstStreamFrame struct {
	StreamID   protocol.StreamID
	ErrorCode  uint32
	ByteOffset protocol.ByteCount
}

A RstStreamFrame in QUIC

func ParseRstStreamFrame 

func ParseRstStreamFrame(r *bytes.Reader, version protocol.VersionNumber) (*RstStreamFrame, error)

ParseRstStreamFrame parses a RST_STREAM frame

func (*RstStreamFrame) MinLength 

func (f *RstStreamFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*RstStreamFrame) Write 

func (f *RstStreamFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

Write writes a RST_STREAM frame

type StopWaitingFrame 

type StopWaitingFrame struct {
	LeastUnacked    protocol.PacketNumber
	PacketNumberLen protocol.PacketNumberLen
	// PacketNumber is the packet number of the packet that this StopWaitingFrame will be sent with
	PacketNumber protocol.PacketNumber
}

A StopWaitingFrame in QUIC

func ParseStopWaitingFrame 

func ParseStopWaitingFrame(r *bytes.Reader, packetNumber protocol.PacketNumber, packetNumberLen protocol.PacketNumberLen, _ protocol.VersionNumber) (*StopWaitingFrame, error)

ParseStopWaitingFrame parses a StopWaiting frame

func (*StopWaitingFrame) MinLength 

func (f *StopWaitingFrame) MinLength(_ protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*StopWaitingFrame) Write 

func (f *StopWaitingFrame) Write(b *bytes.Buffer, _ protocol.VersionNumber) error

type StreamBlockedFrame 

type StreamBlockedFrame struct {
	StreamID protocol.StreamID
}

A StreamBlockedFrame in QUIC

func ParseStreamBlockedFrame 

func ParseStreamBlockedFrame(r *bytes.Reader, version protocol.VersionNumber) (*StreamBlockedFrame, error)

ParseStreamBlockedFrame parses a STREAM_BLOCKED frame

func (*StreamBlockedFrame) MinLength 

func (f *StreamBlockedFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength of a written frame

func (*StreamBlockedFrame) Write 

func (f *StreamBlockedFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

Write writes a STREAM_BLOCKED frame

type StreamFrame 

type StreamFrame struct {
	StreamID       protocol.StreamID
	FinBit         bool
	DataLenPresent bool
	Offset         protocol.ByteCount
	Data           []byte
}

A StreamFrame of QUIC

func ParseStreamFrame 

func ParseStreamFrame(r *bytes.Reader, version protocol.VersionNumber) (*StreamFrame, error)

ParseStreamFrame reads a STREAM frame

func (*StreamFrame) DataLen 

func (f *StreamFrame) DataLen() protocol.ByteCount

DataLen gives the length of data in bytes

func (*StreamFrame) MinLength 

func (f *StreamFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error)

MinLength returns the length of the header of a StreamFrame the total length of the frame is frame.MinLength() + frame.DataLen()

func (*StreamFrame) Write 

func (f *StreamFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error

Write writes a STREAM frame

Source Files

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