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authorBrad Fitzpatrick <bradfitz@golang.org>2015-04-23 23:13:14 -0400
committerBrad Fitzpatrick <bradfitz@golang.org>2015-04-24 03:29:22 +0000
commitff8eb9a34a5cbb9941ffc6f84a19a8014c2646ad (patch)
tree8cacc0c8e564ee01b19cefe215a02c88484a7d21
parentd175081df37eff8cda13f478bc11a0a65b39958b (diff)
downloadnet-ff8eb9a34a5cbb9941ffc6f84a19a8014c2646ad.tar.gz
spdy: delete package
The SPDY package has known bugs (9 currently) and incompleteness. Rather than fix and finish it, delete it. Browsers are removing SPDY support anyway. The future is HTTP/2. Anybody who wants the old x/net/spdy can get it from git revision d175081df37 and vendor it. Fixes golang/go#10547 Fixes golang/go#10545 Fixes golang/go#10544 Fixes golang/go#10543 Fixes golang/go#10542 Fixes golang/go#10540 Fixes golang/go#10539 Fixes golang/go#6037 Fixes golang/go#4295 Change-Id: I98ede7f8da00af64015d0f2784cadba33286a6a5 Reviewed-on: https://go-review.googlesource.com/9300 Reviewed-by: Dave Cheney <dave@cheney.net> Reviewed-by: Rob Pike <r@golang.org> Reviewed-by: David Symonds <dsymonds@golang.org> Reviewed-by: Nigel Tao <nigeltao@golang.org> Reviewed-by: Dave Day <djd@golang.org>
-rw-r--r--spdy/dictionary.go187
-rw-r--r--spdy/read.go348
-rw-r--r--spdy/spdy_test.go644
-rw-r--r--spdy/types.go275
-rw-r--r--spdy/write.go318
5 files changed, 0 insertions, 1772 deletions
diff --git a/spdy/dictionary.go b/spdy/dictionary.go
deleted file mode 100644
index 5a5ff0e..0000000
--- a/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/spdy/read.go b/spdy/read.go
deleted file mode 100644
index 9359a95..0000000
--- a/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/spdy/spdy_test.go b/spdy/spdy_test.go
deleted file mode 100644
index ce581f1..0000000
--- a/spdy/spdy_test.go
+++ /dev/null
@@ -1,644 +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 (
- "bytes"
- "compress/zlib"
- "encoding/base64"
- "io"
- "io/ioutil"
- "net/http"
- "reflect"
- "testing"
-)
-
-var HeadersFixture = http.Header{
- "Url": []string{"http://www.google.com/"},
- "Method": []string{"get"},
- "Version": []string{"http/1.1"},
-}
-
-func TestHeaderParsing(t *testing.T) {
- var headerValueBlockBuf bytes.Buffer
- writeHeaderValueBlock(&headerValueBlockBuf, HeadersFixture)
- const bogusStreamId = 1
- newHeaders, err := parseHeaderValueBlock(&headerValueBlockBuf, bogusStreamId)
- if err != nil {
- t.Fatal("parseHeaderValueBlock:", err)
- }
- if !reflect.DeepEqual(HeadersFixture, newHeaders) {
- t.Fatal("got: ", newHeaders, "\nwant: ", HeadersFixture)
- }
-}
-
-func TestCreateParseSynStreamFrameCompressionDisable(t *testing.T) {
- buffer := new(bytes.Buffer)
- // Fixture framer for no compression test.
- framer := &Framer{
- headerCompressionDisabled: true,
- w: buffer,
- headerBuf: new(bytes.Buffer),
- r: buffer,
- }
- synStreamFrame := SynStreamFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeSynStream,
- },
- StreamId: 2,
- Headers: HeadersFixture,
- }
- if err := framer.WriteFrame(&synStreamFrame); err != nil {
- t.Fatal("WriteFrame without compression:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame without compression:", err)
- }
- parsedSynStreamFrame, ok := frame.(*SynStreamFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(synStreamFrame, *parsedSynStreamFrame) {
- t.Fatal("got: ", *parsedSynStreamFrame, "\nwant: ", synStreamFrame)
- }
-}
-
-func TestCreateParseSynStreamFrameCompressionEnable(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- synStreamFrame := SynStreamFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeSynStream,
- },
- StreamId: 2,
- Headers: HeadersFixture,
- }
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- if err := framer.WriteFrame(&synStreamFrame); err != nil {
- t.Fatal("WriteFrame with compression:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame with compression:", err)
- }
- parsedSynStreamFrame, ok := frame.(*SynStreamFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(synStreamFrame, *parsedSynStreamFrame) {
- t.Fatal("got: ", *parsedSynStreamFrame, "\nwant: ", synStreamFrame)
- }
-}
-
-func TestCreateParseSynReplyFrameCompressionDisable(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer := &Framer{
- headerCompressionDisabled: true,
- w: buffer,
- headerBuf: new(bytes.Buffer),
- r: buffer,
- }
- synReplyFrame := SynReplyFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeSynReply,
- },
- StreamId: 2,
- Headers: HeadersFixture,
- }
- if err := framer.WriteFrame(&synReplyFrame); err != nil {
- t.Fatal("WriteFrame without compression:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame without compression:", err)
- }
- parsedSynReplyFrame, ok := frame.(*SynReplyFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(synReplyFrame, *parsedSynReplyFrame) {
- t.Fatal("got: ", *parsedSynReplyFrame, "\nwant: ", synReplyFrame)
- }
-}
-
-func TestCreateParseSynReplyFrameCompressionEnable(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- synReplyFrame := SynReplyFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeSynReply,
- },
- StreamId: 2,
- Headers: HeadersFixture,
- }
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- if err := framer.WriteFrame(&synReplyFrame); err != nil {
- t.Fatal("WriteFrame with compression:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame with compression:", err)
- }
- parsedSynReplyFrame, ok := frame.(*SynReplyFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(synReplyFrame, *parsedSynReplyFrame) {
- t.Fatal("got: ", *parsedSynReplyFrame, "\nwant: ", synReplyFrame)
- }
-}
-
-func TestCreateParseRstStream(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- rstStreamFrame := RstStreamFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeRstStream,
- },
- StreamId: 1,
- Status: InvalidStream,
- }
- if err := framer.WriteFrame(&rstStreamFrame); err != nil {
- t.Fatal("WriteFrame:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame:", err)
- }
- parsedRstStreamFrame, ok := frame.(*RstStreamFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(rstStreamFrame, *parsedRstStreamFrame) {
- t.Fatal("got: ", *parsedRstStreamFrame, "\nwant: ", rstStreamFrame)
- }
-}
-
-func TestCreateParseSettings(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- settingsFrame := SettingsFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeSettings,
- },
- FlagIdValues: []SettingsFlagIdValue{
- {FlagSettingsPersistValue, SettingsCurrentCwnd, 10},
- {FlagSettingsPersisted, SettingsUploadBandwidth, 1},
- },
- }
- if err := framer.WriteFrame(&settingsFrame); err != nil {
- t.Fatal("WriteFrame:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame:", err)
- }
- parsedSettingsFrame, ok := frame.(*SettingsFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(settingsFrame, *parsedSettingsFrame) {
- t.Fatal("got: ", *parsedSettingsFrame, "\nwant: ", settingsFrame)
- }
-}
-
-func TestCreateParsePing(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- pingFrame := PingFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypePing,
- },
- Id: 31337,
- }
- if err := framer.WriteFrame(&pingFrame); err != nil {
- t.Fatal("WriteFrame:", err)
- }
- if pingFrame.CFHeader.Flags != 0 {
- t.Fatal("Incorrect frame type:", pingFrame)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame:", err)
- }
- parsedPingFrame, ok := frame.(*PingFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if parsedPingFrame.CFHeader.Flags != 0 {
- t.Fatal("Parsed incorrect frame type:", parsedPingFrame)
- }
- if !reflect.DeepEqual(pingFrame, *parsedPingFrame) {
- t.Fatal("got: ", *parsedPingFrame, "\nwant: ", pingFrame)
- }
-}
-
-func TestCreateParseGoAway(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- goAwayFrame := GoAwayFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeGoAway,
- },
- LastGoodStreamId: 31337,
- Status: 1,
- }
- if err := framer.WriteFrame(&goAwayFrame); err != nil {
- t.Fatal("WriteFrame:", err)
- }
- if goAwayFrame.CFHeader.Flags != 0 {
- t.Fatal("Incorrect frame type:", goAwayFrame)
- }
- if goAwayFrame.CFHeader.length != 8 {
- t.Fatal("Incorrect frame type:", goAwayFrame)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame:", err)
- }
- parsedGoAwayFrame, ok := frame.(*GoAwayFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if parsedGoAwayFrame.CFHeader.Flags != 0 {
- t.Fatal("Incorrect frame type:", parsedGoAwayFrame)
- }
- if parsedGoAwayFrame.CFHeader.length != 8 {
- t.Fatal("Incorrect frame type:", parsedGoAwayFrame)
- }
- if !reflect.DeepEqual(goAwayFrame, *parsedGoAwayFrame) {
- t.Fatal("got: ", *parsedGoAwayFrame, "\nwant: ", goAwayFrame)
- }
-}
-
-func TestCreateParseHeadersFrame(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer := &Framer{
- headerCompressionDisabled: true,
- w: buffer,
- headerBuf: new(bytes.Buffer),
- r: buffer,
- }
- headersFrame := HeadersFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeHeaders,
- },
- StreamId: 2,
- }
- headersFrame.Headers = HeadersFixture
- if err := framer.WriteFrame(&headersFrame); err != nil {
- t.Fatal("WriteFrame without compression:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame without compression:", err)
- }
- parsedHeadersFrame, ok := frame.(*HeadersFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(headersFrame, *parsedHeadersFrame) {
- t.Fatal("got: ", *parsedHeadersFrame, "\nwant: ", headersFrame)
- }
-}
-
-func TestCreateParseHeadersFrameCompressionEnable(t *testing.T) {
- buffer := new(bytes.Buffer)
- headersFrame := HeadersFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeHeaders,
- },
- StreamId: 2,
- }
- headersFrame.Headers = HeadersFixture
-
- framer, err := NewFramer(buffer, buffer)
- if err := framer.WriteFrame(&headersFrame); err != nil {
- t.Fatal("WriteFrame with compression:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame with compression:", err)
- }
- parsedHeadersFrame, ok := frame.(*HeadersFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(headersFrame, *parsedHeadersFrame) {
- t.Fatal("got: ", *parsedHeadersFrame, "\nwant: ", headersFrame)
- }
-}
-
-func TestCreateParseWindowUpdateFrame(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- windowUpdateFrame := WindowUpdateFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeWindowUpdate,
- },
- StreamId: 31337,
- DeltaWindowSize: 1,
- }
- if err := framer.WriteFrame(&windowUpdateFrame); err != nil {
- t.Fatal("WriteFrame:", err)
- }
- if windowUpdateFrame.CFHeader.Flags != 0 {
- t.Fatal("Incorrect frame type:", windowUpdateFrame)
- }
- if windowUpdateFrame.CFHeader.length != 8 {
- t.Fatal("Incorrect frame type:", windowUpdateFrame)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame:", err)
- }
- parsedWindowUpdateFrame, ok := frame.(*WindowUpdateFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if parsedWindowUpdateFrame.CFHeader.Flags != 0 {
- t.Fatal("Incorrect frame type:", parsedWindowUpdateFrame)
- }
- if parsedWindowUpdateFrame.CFHeader.length != 8 {
- t.Fatal("Incorrect frame type:", parsedWindowUpdateFrame)
- }
- if !reflect.DeepEqual(windowUpdateFrame, *parsedWindowUpdateFrame) {
- t.Fatal("got: ", *parsedWindowUpdateFrame, "\nwant: ", windowUpdateFrame)
- }
-}
-
-func TestCreateParseDataFrame(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- dataFrame := DataFrame{
- StreamId: 1,
- Data: []byte{'h', 'e', 'l', 'l', 'o'},
- }
- if err := framer.WriteFrame(&dataFrame); err != nil {
- t.Fatal("WriteFrame:", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame:", err)
- }
- parsedDataFrame, ok := frame.(*DataFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(dataFrame, *parsedDataFrame) {
- t.Fatal("got: ", *parsedDataFrame, "\nwant: ", dataFrame)
- }
-}
-
-func TestCompressionContextAcrossFrames(t *testing.T) {
- buffer := new(bytes.Buffer)
- framer, err := NewFramer(buffer, buffer)
- if err != nil {
- t.Fatal("Failed to create new framer:", err)
- }
- headersFrame := HeadersFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeHeaders,
- },
- StreamId: 2,
- Headers: HeadersFixture,
- }
- if err := framer.WriteFrame(&headersFrame); err != nil {
- t.Fatal("WriteFrame (HEADERS):", err)
- }
- synStreamFrame := SynStreamFrame{
- ControlFrameHeader{
- Version,
- TypeSynStream,
- 0, // Flags
- 0, // length
- },
- 2, // StreamId
- 0, // AssociatedTOStreamID
- 0, // Priority
- 1, // Slot
- nil, // Headers
- }
- synStreamFrame.Headers = HeadersFixture
-
- if err := framer.WriteFrame(&synStreamFrame); err != nil {
- t.Fatal("WriteFrame (SYN_STREAM):", err)
- }
- frame, err := framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame (HEADERS):", err, buffer.Bytes())
- }
- parsedHeadersFrame, ok := frame.(*HeadersFrame)
- if !ok {
- t.Fatalf("expected HeadersFrame; got %T %v", frame, frame)
- }
- if !reflect.DeepEqual(headersFrame, *parsedHeadersFrame) {
- t.Fatal("got: ", *parsedHeadersFrame, "\nwant: ", headersFrame)
- }
- frame, err = framer.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame (SYN_STREAM):", err, buffer.Bytes())
- }
- parsedSynStreamFrame, ok := frame.(*SynStreamFrame)
- if !ok {
- t.Fatalf("expected SynStreamFrame; got %T %v", frame, frame)
- }
- if !reflect.DeepEqual(synStreamFrame, *parsedSynStreamFrame) {
- t.Fatal("got: ", *parsedSynStreamFrame, "\nwant: ", synStreamFrame)
- }
-}
-
-func TestMultipleSPDYFrames(t *testing.T) {
- // Initialize the framers.
- pr1, pw1 := io.Pipe()
- pr2, pw2 := io.Pipe()
- writer, err := NewFramer(pw1, pr2)
- if err != nil {
- t.Fatal("Failed to create writer:", err)
- }
- reader, err := NewFramer(pw2, pr1)
- if err != nil {
- t.Fatal("Failed to create reader:", err)
- }
-
- // Set up the frames we're actually transferring.
- headersFrame := HeadersFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeHeaders,
- },
- StreamId: 2,
- Headers: HeadersFixture,
- }
- synStreamFrame := SynStreamFrame{
- CFHeader: ControlFrameHeader{
- version: Version,
- frameType: TypeSynStream,
- },
- StreamId: 2,
- Headers: HeadersFixture,
- }
-
- // Start the goroutines to write the frames.
- go func() {
- if err := writer.WriteFrame(&headersFrame); err != nil {
- t.Fatal("WriteFrame (HEADERS): ", err)
- }
- if err := writer.WriteFrame(&synStreamFrame); err != nil {
- t.Fatal("WriteFrame (SYN_STREAM): ", err)
- }
- }()
-
- // Read the frames and verify they look as expected.
- frame, err := reader.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame (HEADERS): ", err)
- }
- parsedHeadersFrame, ok := frame.(*HeadersFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type:", frame)
- }
- if !reflect.DeepEqual(headersFrame, *parsedHeadersFrame) {
- t.Fatal("got: ", *parsedHeadersFrame, "\nwant: ", headersFrame)
- }
- frame, err = reader.ReadFrame()
- if err != nil {
- t.Fatal("ReadFrame (SYN_STREAM):", err)
- }
- parsedSynStreamFrame, ok := frame.(*SynStreamFrame)
- if !ok {
- t.Fatal("Parsed incorrect frame type.")
- }
- if !reflect.DeepEqual(synStreamFrame, *parsedSynStreamFrame) {
- t.Fatal("got: ", *parsedSynStreamFrame, "\nwant: ", synStreamFrame)
- }
-}
-
-func TestReadMalformedZlibHeader(t *testing.T) {
- // These were constructed by corrupting the first byte of the zlib
- // header after writing.
- malformedStructs := map[string]string{
- "SynStreamFrame": "gAIAAQAAABgAAAACAAAAAAAAF/nfolGyYmAAAAAA//8=",
- "SynReplyFrame": "gAIAAgAAABQAAAACAAAX+d+iUbJiYAAAAAD//w==",
- "HeadersFrame": "gAIACAAAABQAAAACAAAX+d+iUbJiYAAAAAD//w==",
- }
- for name, bad := range malformedStructs {
- b, err := base64.StdEncoding.DecodeString(bad)
- if err != nil {
- t.Errorf("Unable to decode base64 encoded frame %s: %v", name, err)
- }
- buf := bytes.NewBuffer(b)
- reader, err := NewFramer(buf, buf)
- if err != nil {
- t.Fatalf("NewFramer: %v", err)
- }
- _, err = reader.ReadFrame()
- if err != zlib.ErrHeader {
- t.Errorf("Frame %s, expected: %#v, actual: %#v", name, zlib.ErrHeader, err)
- }
- }
-}
-
-// TODO: these tests are too weak for updating SPDY spec. Fix me.
-
-type zeroStream struct {
- frame Frame
- encoded string
-}
-
-var streamIdZeroFrames = map[string]zeroStream{
- "SynStreamFrame": {
- &SynStreamFrame{StreamId: 0},
- "gAIAAQAAABgAAAAAAAAAAAAAePnfolGyYmAAAAAA//8=",
- },
- "SynReplyFrame": {
- &SynReplyFrame{StreamId: 0},
- "gAIAAgAAABQAAAAAAAB4+d+iUbJiYAAAAAD//w==",
- },
- "RstStreamFrame": {
- &RstStreamFrame{StreamId: 0},
- "gAIAAwAAAAgAAAAAAAAAAA==",
- },
- "HeadersFrame": {
- &HeadersFrame{StreamId: 0},
- "gAIACAAAABQAAAAAAAB4+d+iUbJiYAAAAAD//w==",
- },
- "DataFrame": {
- &DataFrame{StreamId: 0},
- "AAAAAAAAAAA=",
- },
- "PingFrame": {
- &PingFrame{Id: 0},
- "gAIABgAAAAQAAAAA",
- },
-}
-
-func TestNoZeroStreamId(t *testing.T) {
- t.Log("skipping") // TODO: update to work with SPDY3
- return
-
- for name, f := range streamIdZeroFrames {
- b, err := base64.StdEncoding.DecodeString(f.encoded)
- if err != nil {
- t.Errorf("Unable to decode base64 encoded frame %s: %v", f, err)
- continue
- }
- framer, err := NewFramer(ioutil.Discard, bytes.NewReader(b))
- if err != nil {
- t.Fatalf("NewFramer: %v", err)
- }
- err = framer.WriteFrame(f.frame)
- checkZeroStreamId(t, name, "WriteFrame", err)
-
- _, err = framer.ReadFrame()
- checkZeroStreamId(t, name, "ReadFrame", err)
- }
-}
-
-func checkZeroStreamId(t *testing.T, frame string, method string, err error) {
- if err == nil {
- t.Errorf("%s ZeroStreamId, no error on %s", method, frame)
- return
- }
- eerr, ok := err.(*Error)
- if !ok || eerr.Err != ZeroStreamId {
- t.Errorf("%s ZeroStreamId, incorrect error %#v, frame %s", method, eerr, frame)
- }
-}
diff --git a/spdy/types.go b/spdy/types.go
deleted file mode 100644
index f0b6d2b..0000000
--- a/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 "golang.org/x/net/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/spdy/write.go b/spdy/write.go
deleted file mode 100644
index b212f66..0000000
--- a/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
-}