prune remotecommand dependency

prune a dependency that was only being used for a simple struct.  Should
correct checksum issue on tarballs

[NO TESTS NEEDED]

Fixes: #9355

Signed-off-by: baude <bbaude@redhat.com>

4 files changed, 0 insertions, 1128 deletions

diff --git a/vendor/github.com/docker/spdystream/spdy/dictionary.go b/vendor/github.com/docker/spdystream/spdy/dictionary.go
deleted file mode 100644
index 5a5ff0e14..000000000
--- a/vendor/github.com/docker/spdystream/spdy/dictionary.go
+++ /dev/null
@@ -1,187 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package spdy
-
-// headerDictionary is the dictionary sent to the zlib compressor/decompressor.
-var headerDictionary = []byte{
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diff --git a/vendor/github.com/docker/spdystream/spdy/read.go b/vendor/github.com/docker/spdystream/spdy/read.go
deleted file mode 100644
index 9359a9501..000000000
--- a/vendor/github.com/docker/spdystream/spdy/read.go
+++ /dev/null
@@ -1,348 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package spdy
-
-import (
-	"compress/zlib"
-	"encoding/binary"
-	"io"
-	"net/http"
-	"strings"
-)
-
-func (frame *SynStreamFrame) read(h ControlFrameHeader, f *Framer) error {
-	return f.readSynStreamFrame(h, frame)
-}
-
-func (frame *SynReplyFrame) read(h ControlFrameHeader, f *Framer) error {
-	return f.readSynReplyFrame(h, frame)
-}
-
-func (frame *RstStreamFrame) read(h ControlFrameHeader, f *Framer) error {
-	frame.CFHeader = h
-	if err := binary.Read(f.r, binary.BigEndian, &frame.StreamId); err != nil {
-		return err
-	}
-	if err := binary.Read(f.r, binary.BigEndian, &frame.Status); err != nil {
-		return err
-	}
-	if frame.Status == 0 {
-		return &Error{InvalidControlFrame, frame.StreamId}
-	}
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	return nil
-}
-
-func (frame *SettingsFrame) read(h ControlFrameHeader, f *Framer) error {
-	frame.CFHeader = h
-	var numSettings uint32
-	if err := binary.Read(f.r, binary.BigEndian, &numSettings); err != nil {
-		return err
-	}
-	frame.FlagIdValues = make([]SettingsFlagIdValue, numSettings)
-	for i := uint32(0); i < numSettings; i++ {
-		if err := binary.Read(f.r, binary.BigEndian, &frame.FlagIdValues[i].Id); err != nil {
-			return err
-		}
-		frame.FlagIdValues[i].Flag = SettingsFlag((frame.FlagIdValues[i].Id & 0xff000000) >> 24)
-		frame.FlagIdValues[i].Id &= 0xffffff
-		if err := binary.Read(f.r, binary.BigEndian, &frame.FlagIdValues[i].Value); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (frame *PingFrame) read(h ControlFrameHeader, f *Framer) error {
-	frame.CFHeader = h
-	if err := binary.Read(f.r, binary.BigEndian, &frame.Id); err != nil {
-		return err
-	}
-	if frame.Id == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	if frame.CFHeader.Flags != 0 {
-		return &Error{InvalidControlFrame, StreamId(frame.Id)}
-	}
-	return nil
-}
-
-func (frame *GoAwayFrame) read(h ControlFrameHeader, f *Framer) error {
-	frame.CFHeader = h
-	if err := binary.Read(f.r, binary.BigEndian, &frame.LastGoodStreamId); err != nil {
-		return err
-	}
-	if frame.CFHeader.Flags != 0 {
-		return &Error{InvalidControlFrame, frame.LastGoodStreamId}
-	}
-	if frame.CFHeader.length != 8 {
-		return &Error{InvalidControlFrame, frame.LastGoodStreamId}
-	}
-	if err := binary.Read(f.r, binary.BigEndian, &frame.Status); err != nil {
-		return err
-	}
-	return nil
-}
-
-func (frame *HeadersFrame) read(h ControlFrameHeader, f *Framer) error {
-	return f.readHeadersFrame(h, frame)
-}
-
-func (frame *WindowUpdateFrame) read(h ControlFrameHeader, f *Framer) error {
-	frame.CFHeader = h
-	if err := binary.Read(f.r, binary.BigEndian, &frame.StreamId); err != nil {
-		return err
-	}
-	if frame.CFHeader.Flags != 0 {
-		return &Error{InvalidControlFrame, frame.StreamId}
-	}
-	if frame.CFHeader.length != 8 {
-		return &Error{InvalidControlFrame, frame.StreamId}
-	}
-	if err := binary.Read(f.r, binary.BigEndian, &frame.DeltaWindowSize); err != nil {
-		return err
-	}
-	return nil
-}
-
-func newControlFrame(frameType ControlFrameType) (controlFrame, error) {
-	ctor, ok := cframeCtor[frameType]
-	if !ok {
-		return nil, &Error{Err: InvalidControlFrame}
-	}
-	return ctor(), nil
-}
-
-var cframeCtor = map[ControlFrameType]func() controlFrame{
-	TypeSynStream:    func() controlFrame { return new(SynStreamFrame) },
-	TypeSynReply:     func() controlFrame { return new(SynReplyFrame) },
-	TypeRstStream:    func() controlFrame { return new(RstStreamFrame) },
-	TypeSettings:     func() controlFrame { return new(SettingsFrame) },
-	TypePing:         func() controlFrame { return new(PingFrame) },
-	TypeGoAway:       func() controlFrame { return new(GoAwayFrame) },
-	TypeHeaders:      func() controlFrame { return new(HeadersFrame) },
-	TypeWindowUpdate: func() controlFrame { return new(WindowUpdateFrame) },
-}
-
-func (f *Framer) uncorkHeaderDecompressor(payloadSize int64) error {
-	if f.headerDecompressor != nil {
-		f.headerReader.N = payloadSize
-		return nil
-	}
-	f.headerReader = io.LimitedReader{R: f.r, N: payloadSize}
-	decompressor, err := zlib.NewReaderDict(&f.headerReader, []byte(headerDictionary))
-	if err != nil {
-		return err
-	}
-	f.headerDecompressor = decompressor
-	return nil
-}
-
-// ReadFrame reads SPDY encoded data and returns a decompressed Frame.
-func (f *Framer) ReadFrame() (Frame, error) {
-	var firstWord uint32
-	if err := binary.Read(f.r, binary.BigEndian, &firstWord); err != nil {
-		return nil, err
-	}
-	if firstWord&0x80000000 != 0 {
-		frameType := ControlFrameType(firstWord & 0xffff)
-		version := uint16(firstWord >> 16 & 0x7fff)
-		return f.parseControlFrame(version, frameType)
-	}
-	return f.parseDataFrame(StreamId(firstWord & 0x7fffffff))
-}
-
-func (f *Framer) parseControlFrame(version uint16, frameType ControlFrameType) (Frame, error) {
-	var length uint32
-	if err := binary.Read(f.r, binary.BigEndian, &length); err != nil {
-		return nil, err
-	}
-	flags := ControlFlags((length & 0xff000000) >> 24)
-	length &= 0xffffff
-	header := ControlFrameHeader{version, frameType, flags, length}
-	cframe, err := newControlFrame(frameType)
-	if err != nil {
-		return nil, err
-	}
-	if err = cframe.read(header, f); err != nil {
-		return nil, err
-	}
-	return cframe, nil
-}
-
-func parseHeaderValueBlock(r io.Reader, streamId StreamId) (http.Header, error) {
-	var numHeaders uint32
-	if err := binary.Read(r, binary.BigEndian, &numHeaders); err != nil {
-		return nil, err
-	}
-	var e error
-	h := make(http.Header, int(numHeaders))
-	for i := 0; i < int(numHeaders); i++ {
-		var length uint32
-		if err := binary.Read(r, binary.BigEndian, &length); err != nil {
-			return nil, err
-		}
-		nameBytes := make([]byte, length)
-		if _, err := io.ReadFull(r, nameBytes); err != nil {
-			return nil, err
-		}
-		name := string(nameBytes)
-		if name != strings.ToLower(name) {
-			e = &Error{UnlowercasedHeaderName, streamId}
-			name = strings.ToLower(name)
-		}
-		if h[name] != nil {
-			e = &Error{DuplicateHeaders, streamId}
-		}
-		if err := binary.Read(r, binary.BigEndian, &length); err != nil {
-			return nil, err
-		}
-		value := make([]byte, length)
-		if _, err := io.ReadFull(r, value); err != nil {
-			return nil, err
-		}
-		valueList := strings.Split(string(value), headerValueSeparator)
-		for _, v := range valueList {
-			h.Add(name, v)
-		}
-	}
-	if e != nil {
-		return h, e
-	}
-	return h, nil
-}
-
-func (f *Framer) readSynStreamFrame(h ControlFrameHeader, frame *SynStreamFrame) error {
-	frame.CFHeader = h
-	var err error
-	if err = binary.Read(f.r, binary.BigEndian, &frame.StreamId); err != nil {
-		return err
-	}
-	if err = binary.Read(f.r, binary.BigEndian, &frame.AssociatedToStreamId); err != nil {
-		return err
-	}
-	if err = binary.Read(f.r, binary.BigEndian, &frame.Priority); err != nil {
-		return err
-	}
-	frame.Priority >>= 5
-	if err = binary.Read(f.r, binary.BigEndian, &frame.Slot); err != nil {
-		return err
-	}
-	reader := f.r
-	if !f.headerCompressionDisabled {
-		err := f.uncorkHeaderDecompressor(int64(h.length - 10))
-		if err != nil {
-			return err
-		}
-		reader = f.headerDecompressor
-	}
-	frame.Headers, err = parseHeaderValueBlock(reader, frame.StreamId)
-	if !f.headerCompressionDisabled && (err == io.EOF && f.headerReader.N == 0 || f.headerReader.N != 0) {
-		err = &Error{WrongCompressedPayloadSize, 0}
-	}
-	if err != nil {
-		return err
-	}
-	for h := range frame.Headers {
-		if invalidReqHeaders[h] {
-			return &Error{InvalidHeaderPresent, frame.StreamId}
-		}
-	}
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	return nil
-}
-
-func (f *Framer) readSynReplyFrame(h ControlFrameHeader, frame *SynReplyFrame) error {
-	frame.CFHeader = h
-	var err error
-	if err = binary.Read(f.r, binary.BigEndian, &frame.StreamId); err != nil {
-		return err
-	}
-	reader := f.r
-	if !f.headerCompressionDisabled {
-		err := f.uncorkHeaderDecompressor(int64(h.length - 4))
-		if err != nil {
-			return err
-		}
-		reader = f.headerDecompressor
-	}
-	frame.Headers, err = parseHeaderValueBlock(reader, frame.StreamId)
-	if !f.headerCompressionDisabled && (err == io.EOF && f.headerReader.N == 0 || f.headerReader.N != 0) {
-		err = &Error{WrongCompressedPayloadSize, 0}
-	}
-	if err != nil {
-		return err
-	}
-	for h := range frame.Headers {
-		if invalidRespHeaders[h] {
-			return &Error{InvalidHeaderPresent, frame.StreamId}
-		}
-	}
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	return nil
-}
-
-func (f *Framer) readHeadersFrame(h ControlFrameHeader, frame *HeadersFrame) error {
-	frame.CFHeader = h
-	var err error
-	if err = binary.Read(f.r, binary.BigEndian, &frame.StreamId); err != nil {
-		return err
-	}
-	reader := f.r
-	if !f.headerCompressionDisabled {
-		err := f.uncorkHeaderDecompressor(int64(h.length - 4))
-		if err != nil {
-			return err
-		}
-		reader = f.headerDecompressor
-	}
-	frame.Headers, err = parseHeaderValueBlock(reader, frame.StreamId)
-	if !f.headerCompressionDisabled && (err == io.EOF && f.headerReader.N == 0 || f.headerReader.N != 0) {
-		err = &Error{WrongCompressedPayloadSize, 0}
-	}
-	if err != nil {
-		return err
-	}
-	var invalidHeaders map[string]bool
-	if frame.StreamId%2 == 0 {
-		invalidHeaders = invalidReqHeaders
-	} else {
-		invalidHeaders = invalidRespHeaders
-	}
-	for h := range frame.Headers {
-		if invalidHeaders[h] {
-			return &Error{InvalidHeaderPresent, frame.StreamId}
-		}
-	}
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	return nil
-}
-
-func (f *Framer) parseDataFrame(streamId StreamId) (*DataFrame, error) {
-	var length uint32
-	if err := binary.Read(f.r, binary.BigEndian, &length); err != nil {
-		return nil, err
-	}
-	var frame DataFrame
-	frame.StreamId = streamId
-	frame.Flags = DataFlags(length >> 24)
-	length &= 0xffffff
-	frame.Data = make([]byte, length)
-	if _, err := io.ReadFull(f.r, frame.Data); err != nil {
-		return nil, err
-	}
-	if frame.StreamId == 0 {
-		return nil, &Error{ZeroStreamId, 0}
-	}
-	return &frame, nil
-}
diff --git a/vendor/github.com/docker/spdystream/spdy/types.go b/vendor/github.com/docker/spdystream/spdy/types.go
deleted file mode 100644
index 7b6ee9c6f..000000000
--- a/vendor/github.com/docker/spdystream/spdy/types.go
+++ /dev/null
@@ -1,275 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package spdy implements the SPDY protocol (currently SPDY/3), described in
-// http://www.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3.
-package spdy
-
-import (
-	"bytes"
-	"compress/zlib"
-	"io"
-	"net/http"
-)
-
-// Version is the protocol version number that this package implements.
-const Version = 3
-
-// ControlFrameType stores the type field in a control frame header.
-type ControlFrameType uint16
-
-const (
-	TypeSynStream    ControlFrameType = 0x0001
-	TypeSynReply                      = 0x0002
-	TypeRstStream                     = 0x0003
-	TypeSettings                      = 0x0004
-	TypePing                          = 0x0006
-	TypeGoAway                        = 0x0007
-	TypeHeaders                       = 0x0008
-	TypeWindowUpdate                  = 0x0009
-)
-
-// ControlFlags are the flags that can be set on a control frame.
-type ControlFlags uint8
-
-const (
-	ControlFlagFin                   ControlFlags = 0x01
-	ControlFlagUnidirectional                     = 0x02
-	ControlFlagSettingsClearSettings              = 0x01
-)
-
-// DataFlags are the flags that can be set on a data frame.
-type DataFlags uint8
-
-const (
-	DataFlagFin DataFlags = 0x01
-)
-
-// MaxDataLength is the maximum number of bytes that can be stored in one frame.
-const MaxDataLength = 1<<24 - 1
-
-// headerValueSepator separates multiple header values.
-const headerValueSeparator = "\x00"
-
-// Frame is a single SPDY frame in its unpacked in-memory representation. Use
-// Framer to read and write it.
-type Frame interface {
-	write(f *Framer) error
-}
-
-// ControlFrameHeader contains all the fields in a control frame header,
-// in its unpacked in-memory representation.
-type ControlFrameHeader struct {
-	// Note, high bit is the "Control" bit.
-	version   uint16 // spdy version number
-	frameType ControlFrameType
-	Flags     ControlFlags
-	length    uint32 // length of data field
-}
-
-type controlFrame interface {
-	Frame
-	read(h ControlFrameHeader, f *Framer) error
-}
-
-// StreamId represents a 31-bit value identifying the stream.
-type StreamId uint32
-
-// SynStreamFrame is the unpacked, in-memory representation of a SYN_STREAM
-// frame.
-type SynStreamFrame struct {
-	CFHeader             ControlFrameHeader
-	StreamId             StreamId
-	AssociatedToStreamId StreamId // stream id for a stream which this stream is associated to
-	Priority             uint8    // priority of this frame (3-bit)
-	Slot                 uint8    // index in the server's credential vector of the client certificate
-	Headers              http.Header
-}
-
-// SynReplyFrame is the unpacked, in-memory representation of a SYN_REPLY frame.
-type SynReplyFrame struct {
-	CFHeader ControlFrameHeader
-	StreamId StreamId
-	Headers  http.Header
-}
-
-// RstStreamStatus represents the status that led to a RST_STREAM.
-type RstStreamStatus uint32
-
-const (
-	ProtocolError RstStreamStatus = iota + 1
-	InvalidStream
-	RefusedStream
-	UnsupportedVersion
-	Cancel
-	InternalError
-	FlowControlError
-	StreamInUse
-	StreamAlreadyClosed
-	InvalidCredentials
-	FrameTooLarge
-)
-
-// RstStreamFrame is the unpacked, in-memory representation of a RST_STREAM
-// frame.
-type RstStreamFrame struct {
-	CFHeader ControlFrameHeader
-	StreamId StreamId
-	Status   RstStreamStatus
-}
-
-// SettingsFlag represents a flag in a SETTINGS frame.
-type SettingsFlag uint8
-
-const (
-	FlagSettingsPersistValue SettingsFlag = 0x1
-	FlagSettingsPersisted                 = 0x2
-)
-
-// SettingsFlag represents the id of an id/value pair in a SETTINGS frame.
-type SettingsId uint32
-
-const (
-	SettingsUploadBandwidth SettingsId = iota + 1
-	SettingsDownloadBandwidth
-	SettingsRoundTripTime
-	SettingsMaxConcurrentStreams
-	SettingsCurrentCwnd
-	SettingsDownloadRetransRate
-	SettingsInitialWindowSize
-	SettingsClientCretificateVectorSize
-)
-
-// SettingsFlagIdValue is the unpacked, in-memory representation of the
-// combined flag/id/value for a setting in a SETTINGS frame.
-type SettingsFlagIdValue struct {
-	Flag  SettingsFlag
-	Id    SettingsId
-	Value uint32
-}
-
-// SettingsFrame is the unpacked, in-memory representation of a SPDY
-// SETTINGS frame.
-type SettingsFrame struct {
-	CFHeader     ControlFrameHeader
-	FlagIdValues []SettingsFlagIdValue
-}
-
-// PingFrame is the unpacked, in-memory representation of a PING frame.
-type PingFrame struct {
-	CFHeader ControlFrameHeader
-	Id       uint32 // unique id for this ping, from server is even, from client is odd.
-}
-
-// GoAwayStatus represents the status in a GoAwayFrame.
-type GoAwayStatus uint32
-
-const (
-	GoAwayOK GoAwayStatus = iota
-	GoAwayProtocolError
-	GoAwayInternalError
-)
-
-// GoAwayFrame is the unpacked, in-memory representation of a GOAWAY frame.
-type GoAwayFrame struct {
-	CFHeader         ControlFrameHeader
-	LastGoodStreamId StreamId // last stream id which was accepted by sender
-	Status           GoAwayStatus
-}
-
-// HeadersFrame is the unpacked, in-memory representation of a HEADERS frame.
-type HeadersFrame struct {
-	CFHeader ControlFrameHeader
-	StreamId StreamId
-	Headers  http.Header
-}
-
-// WindowUpdateFrame is the unpacked, in-memory representation of a
-// WINDOW_UPDATE frame.
-type WindowUpdateFrame struct {
-	CFHeader        ControlFrameHeader
-	StreamId        StreamId
-	DeltaWindowSize uint32 // additional number of bytes to existing window size
-}
-
-// TODO: Implement credential frame and related methods.
-
-// DataFrame is the unpacked, in-memory representation of a DATA frame.
-type DataFrame struct {
-	// Note, high bit is the "Control" bit. Should be 0 for data frames.
-	StreamId StreamId
-	Flags    DataFlags
-	Data     []byte // payload data of this frame
-}
-
-// A SPDY specific error.
-type ErrorCode string
-
-const (
-	UnlowercasedHeaderName     ErrorCode = "header was not lowercased"
-	DuplicateHeaders                     = "multiple headers with same name"
-	WrongCompressedPayloadSize           = "compressed payload size was incorrect"
-	UnknownFrameType                     = "unknown frame type"
-	InvalidControlFrame                  = "invalid control frame"
-	InvalidDataFrame                     = "invalid data frame"
-	InvalidHeaderPresent                 = "frame contained invalid header"
-	ZeroStreamId                         = "stream id zero is disallowed"
-)
-
-// Error contains both the type of error and additional values. StreamId is 0
-// if Error is not associated with a stream.
-type Error struct {
-	Err      ErrorCode
-	StreamId StreamId
-}
-
-func (e *Error) Error() string {
-	return string(e.Err)
-}
-
-var invalidReqHeaders = map[string]bool{
-	"Connection":        true,
-	"Host":              true,
-	"Keep-Alive":        true,
-	"Proxy-Connection":  true,
-	"Transfer-Encoding": true,
-}
-
-var invalidRespHeaders = map[string]bool{
-	"Connection":        true,
-	"Keep-Alive":        true,
-	"Proxy-Connection":  true,
-	"Transfer-Encoding": true,
-}
-
-// Framer handles serializing/deserializing SPDY frames, including compressing/
-// decompressing payloads.
-type Framer struct {
-	headerCompressionDisabled bool
-	w                         io.Writer
-	headerBuf                 *bytes.Buffer
-	headerCompressor          *zlib.Writer
-	r                         io.Reader
-	headerReader              io.LimitedReader
-	headerDecompressor        io.ReadCloser
-}
-
-// NewFramer allocates a new Framer for a given SPDY connection, represented by
-// a io.Writer and io.Reader. Note that Framer will read and write individual fields
-// from/to the Reader and Writer, so the caller should pass in an appropriately
-// buffered implementation to optimize performance.
-func NewFramer(w io.Writer, r io.Reader) (*Framer, error) {
-	compressBuf := new(bytes.Buffer)
-	compressor, err := zlib.NewWriterLevelDict(compressBuf, zlib.BestCompression, []byte(headerDictionary))
-	if err != nil {
-		return nil, err
-	}
-	framer := &Framer{
-		w:                w,
-		headerBuf:        compressBuf,
-		headerCompressor: compressor,
-		r:                r,
-	}
-	return framer, nil
-}
diff --git a/vendor/github.com/docker/spdystream/spdy/write.go b/vendor/github.com/docker/spdystream/spdy/write.go
deleted file mode 100644
index b212f66a2..000000000
--- a/vendor/github.com/docker/spdystream/spdy/write.go
+++ /dev/null
@@ -1,318 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package spdy
-
-import (
-	"encoding/binary"
-	"io"
-	"net/http"
-	"strings"
-)
-
-func (frame *SynStreamFrame) write(f *Framer) error {
-	return f.writeSynStreamFrame(frame)
-}
-
-func (frame *SynReplyFrame) write(f *Framer) error {
-	return f.writeSynReplyFrame(frame)
-}
-
-func (frame *RstStreamFrame) write(f *Framer) (err error) {
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	frame.CFHeader.version = Version
-	frame.CFHeader.frameType = TypeRstStream
-	frame.CFHeader.Flags = 0
-	frame.CFHeader.length = 8
-
-	// Serialize frame to Writer.
-	if err = writeControlFrameHeader(f.w, frame.CFHeader); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.StreamId); err != nil {
-		return
-	}
-	if frame.Status == 0 {
-		return &Error{InvalidControlFrame, frame.StreamId}
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.Status); err != nil {
-		return
-	}
-	return
-}
-
-func (frame *SettingsFrame) write(f *Framer) (err error) {
-	frame.CFHeader.version = Version
-	frame.CFHeader.frameType = TypeSettings
-	frame.CFHeader.length = uint32(len(frame.FlagIdValues)*8 + 4)
-
-	// Serialize frame to Writer.
-	if err = writeControlFrameHeader(f.w, frame.CFHeader); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, uint32(len(frame.FlagIdValues))); err != nil {
-		return
-	}
-	for _, flagIdValue := range frame.FlagIdValues {
-		flagId := uint32(flagIdValue.Flag)<<24 | uint32(flagIdValue.Id)
-		if err = binary.Write(f.w, binary.BigEndian, flagId); err != nil {
-			return
-		}
-		if err = binary.Write(f.w, binary.BigEndian, flagIdValue.Value); err != nil {
-			return
-		}
-	}
-	return
-}
-
-func (frame *PingFrame) write(f *Framer) (err error) {
-	if frame.Id == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	frame.CFHeader.version = Version
-	frame.CFHeader.frameType = TypePing
-	frame.CFHeader.Flags = 0
-	frame.CFHeader.length = 4
-
-	// Serialize frame to Writer.
-	if err = writeControlFrameHeader(f.w, frame.CFHeader); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.Id); err != nil {
-		return
-	}
-	return
-}
-
-func (frame *GoAwayFrame) write(f *Framer) (err error) {
-	frame.CFHeader.version = Version
-	frame.CFHeader.frameType = TypeGoAway
-	frame.CFHeader.Flags = 0
-	frame.CFHeader.length = 8
-
-	// Serialize frame to Writer.
-	if err = writeControlFrameHeader(f.w, frame.CFHeader); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.LastGoodStreamId); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.Status); err != nil {
-		return
-	}
-	return nil
-}
-
-func (frame *HeadersFrame) write(f *Framer) error {
-	return f.writeHeadersFrame(frame)
-}
-
-func (frame *WindowUpdateFrame) write(f *Framer) (err error) {
-	frame.CFHeader.version = Version
-	frame.CFHeader.frameType = TypeWindowUpdate
-	frame.CFHeader.Flags = 0
-	frame.CFHeader.length = 8
-
-	// Serialize frame to Writer.
-	if err = writeControlFrameHeader(f.w, frame.CFHeader); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.StreamId); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.DeltaWindowSize); err != nil {
-		return
-	}
-	return nil
-}
-
-func (frame *DataFrame) write(f *Framer) error {
-	return f.writeDataFrame(frame)
-}
-
-// WriteFrame writes a frame.
-func (f *Framer) WriteFrame(frame Frame) error {
-	return frame.write(f)
-}
-
-func writeControlFrameHeader(w io.Writer, h ControlFrameHeader) error {
-	if err := binary.Write(w, binary.BigEndian, 0x8000|h.version); err != nil {
-		return err
-	}
-	if err := binary.Write(w, binary.BigEndian, h.frameType); err != nil {
-		return err
-	}
-	flagsAndLength := uint32(h.Flags)<<24 | h.length
-	if err := binary.Write(w, binary.BigEndian, flagsAndLength); err != nil {
-		return err
-	}
-	return nil
-}
-
-func writeHeaderValueBlock(w io.Writer, h http.Header) (n int, err error) {
-	n = 0
-	if err = binary.Write(w, binary.BigEndian, uint32(len(h))); err != nil {
-		return
-	}
-	n += 2
-	for name, values := range h {
-		if err = binary.Write(w, binary.BigEndian, uint32(len(name))); err != nil {
-			return
-		}
-		n += 2
-		name = strings.ToLower(name)
-		if _, err = io.WriteString(w, name); err != nil {
-			return
-		}
-		n += len(name)
-		v := strings.Join(values, headerValueSeparator)
-		if err = binary.Write(w, binary.BigEndian, uint32(len(v))); err != nil {
-			return
-		}
-		n += 2
-		if _, err = io.WriteString(w, v); err != nil {
-			return
-		}
-		n += len(v)
-	}
-	return
-}
-
-func (f *Framer) writeSynStreamFrame(frame *SynStreamFrame) (err error) {
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	// Marshal the headers.
-	var writer io.Writer = f.headerBuf
-	if !f.headerCompressionDisabled {
-		writer = f.headerCompressor
-	}
-	if _, err = writeHeaderValueBlock(writer, frame.Headers); err != nil {
-		return
-	}
-	if !f.headerCompressionDisabled {
-		f.headerCompressor.Flush()
-	}
-
-	// Set ControlFrameHeader.
-	frame.CFHeader.version = Version
-	frame.CFHeader.frameType = TypeSynStream
-	frame.CFHeader.length = uint32(len(f.headerBuf.Bytes()) + 10)
-
-	// Serialize frame to Writer.
-	if err = writeControlFrameHeader(f.w, frame.CFHeader); err != nil {
-		return err
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.StreamId); err != nil {
-		return err
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.AssociatedToStreamId); err != nil {
-		return err
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.Priority<<5); err != nil {
-		return err
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.Slot); err != nil {
-		return err
-	}
-	if _, err = f.w.Write(f.headerBuf.Bytes()); err != nil {
-		return err
-	}
-	f.headerBuf.Reset()
-	return nil
-}
-
-func (f *Framer) writeSynReplyFrame(frame *SynReplyFrame) (err error) {
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	// Marshal the headers.
-	var writer io.Writer = f.headerBuf
-	if !f.headerCompressionDisabled {
-		writer = f.headerCompressor
-	}
-	if _, err = writeHeaderValueBlock(writer, frame.Headers); err != nil {
-		return
-	}
-	if !f.headerCompressionDisabled {
-		f.headerCompressor.Flush()
-	}
-
-	// Set ControlFrameHeader.
-	frame.CFHeader.version = Version
-	frame.CFHeader.frameType = TypeSynReply
-	frame.CFHeader.length = uint32(len(f.headerBuf.Bytes()) + 4)
-
-	// Serialize frame to Writer.
-	if err = writeControlFrameHeader(f.w, frame.CFHeader); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.StreamId); err != nil {
-		return
-	}
-	if _, err = f.w.Write(f.headerBuf.Bytes()); err != nil {
-		return
-	}
-	f.headerBuf.Reset()
-	return
-}
-
-func (f *Framer) writeHeadersFrame(frame *HeadersFrame) (err error) {
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	// Marshal the headers.
-	var writer io.Writer = f.headerBuf
-	if !f.headerCompressionDisabled {
-		writer = f.headerCompressor
-	}
-	if _, err = writeHeaderValueBlock(writer, frame.Headers); err != nil {
-		return
-	}
-	if !f.headerCompressionDisabled {
-		f.headerCompressor.Flush()
-	}
-
-	// Set ControlFrameHeader.
-	frame.CFHeader.version = Version
-	frame.CFHeader.frameType = TypeHeaders
-	frame.CFHeader.length = uint32(len(f.headerBuf.Bytes()) + 4)
-
-	// Serialize frame to Writer.
-	if err = writeControlFrameHeader(f.w, frame.CFHeader); err != nil {
-		return
-	}
-	if err = binary.Write(f.w, binary.BigEndian, frame.StreamId); err != nil {
-		return
-	}
-	if _, err = f.w.Write(f.headerBuf.Bytes()); err != nil {
-		return
-	}
-	f.headerBuf.Reset()
-	return
-}
-
-func (f *Framer) writeDataFrame(frame *DataFrame) (err error) {
-	if frame.StreamId == 0 {
-		return &Error{ZeroStreamId, 0}
-	}
-	if frame.StreamId&0x80000000 != 0 || len(frame.Data) > MaxDataLength {
-		return &Error{InvalidDataFrame, frame.StreamId}
-	}
-
-	// Serialize frame to Writer.
-	if err = binary.Write(f.w, binary.BigEndian, frame.StreamId); err != nil {
-		return
-	}
-	flagsAndLength := uint32(frame.Flags)<<24 | uint32(len(frame.Data))
-	if err = binary.Write(f.w, binary.BigEndian, flagsAndLength); err != nil {
-		return
-	}
-	if _, err = f.w.Write(frame.Data); err != nil {
-		return
-	}
-	return nil
-}