diff options
Diffstat (limited to 'vendor/github.com/docker')
| -rw-r--r-- | vendor/github.com/docker/spdystream/CONTRIBUTING.md | 13 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/LICENSE | 191 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/LICENSE.docs | 425 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/MAINTAINERS | 28 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/README.md | 77 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/connection.go | 958 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/handlers.go | 38 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/priority.go | 98 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/spdy/dictionary.go | 187 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/spdy/read.go | 348 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/spdy/types.go | 275 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/spdy/write.go | 318 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/stream.go | 327 | ||||
| -rw-r--r-- | vendor/github.com/docker/spdystream/utils.go | 16 |
14 files changed, 0 insertions, 3299 deletions
diff --git a/vendor/github.com/docker/spdystream/CONTRIBUTING.md b/vendor/github.com/docker/spdystream/CONTRIBUTING.md deleted file mode 100644 index d4eddcc53..000000000 --- a/vendor/github.com/docker/spdystream/CONTRIBUTING.md +++ /dev/null @@ -1,13 +0,0 @@ -# Contributing to SpdyStream - -Want to hack on spdystream? Awesome! Here are instructions to get you -started. - -SpdyStream is a part of the [Docker](https://docker.io) project, and follows -the same rules and principles. If you're already familiar with the way -Docker does things, you'll feel right at home. - -Otherwise, go read -[Docker's contributions guidelines](https://github.com/dotcloud/docker/blob/master/CONTRIBUTING.md). - -Happy hacking! diff --git a/vendor/github.com/docker/spdystream/LICENSE b/vendor/github.com/docker/spdystream/LICENSE deleted file mode 100644 index 9e4bd4dbe..000000000 --- a/vendor/github.com/docker/spdystream/LICENSE +++ /dev/null @@ -1,191 +0,0 @@ - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. 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For -the avoidance of doubt, this paragraph does not form part of the public -licenses. - -Creative Commons may be contacted at creativecommons.org. diff --git a/vendor/github.com/docker/spdystream/MAINTAINERS b/vendor/github.com/docker/spdystream/MAINTAINERS deleted file mode 100644 index 14e263325..000000000 --- a/vendor/github.com/docker/spdystream/MAINTAINERS +++ /dev/null @@ -1,28 +0,0 @@ -# Spdystream maintainers file -# -# This file describes who runs the docker/spdystream project and how. -# This is a living document - if you see something out of date or missing, speak up! -# -# It is structured to be consumable by both humans and programs. -# To extract its contents programmatically, use any TOML-compliant parser. -# -# This file is compiled into the MAINTAINERS file in docker/opensource. -# -[Org] - [Org."Core maintainers"] - people = [ - "dmcgowan", - ] - -[people] - -# A reference list of all people associated with the project. -# All other sections should refer to people by their canonical key -# in the people section. - - # ADD YOURSELF HERE IN ALPHABETICAL ORDER - - [people.dmcgowan] - Name = "Derek McGowan" - Email = "derek@docker.com" - GitHub = "dmcgowan" diff --git a/vendor/github.com/docker/spdystream/README.md b/vendor/github.com/docker/spdystream/README.md deleted file mode 100644 index 11cccd0a0..000000000 --- a/vendor/github.com/docker/spdystream/README.md +++ /dev/null @@ -1,77 +0,0 @@ -# SpdyStream - -A multiplexed stream library using spdy - -## Usage - -Client example (connecting to mirroring server without auth) - -```go -package main - -import ( - "fmt" - "github.com/docker/spdystream" - "net" - "net/http" -) - -func main() { - conn, err := net.Dial("tcp", "localhost:8080") - if err != nil { - panic(err) - } - spdyConn, err := spdystream.NewConnection(conn, false) - if err != nil { - panic(err) - } - go spdyConn.Serve(spdystream.NoOpStreamHandler) - stream, err := spdyConn.CreateStream(http.Header{}, nil, false) - if err != nil { - panic(err) - } - - stream.Wait() - - fmt.Fprint(stream, "Writing to stream") - - buf := make([]byte, 25) - stream.Read(buf) - fmt.Println(string(buf)) - - stream.Close() -} -``` - -Server example (mirroring server without auth) - -```go -package main - -import ( - "github.com/docker/spdystream" - "net" -) - -func main() { - listener, err := net.Listen("tcp", "localhost:8080") - if err != nil { - panic(err) - } - for { - conn, err := listener.Accept() - if err != nil { - panic(err) - } - spdyConn, err := spdystream.NewConnection(conn, true) - if err != nil { - panic(err) - } - go spdyConn.Serve(spdystream.MirrorStreamHandler) - } -} -``` - -## Copyright and license - -Copyright © 2014-2015 Docker, Inc. All rights reserved, except as follows. Code is released under the Apache 2.0 license. The README.md file, and files in the "docs" folder are licensed under the Creative Commons Attribution 4.0 International License under the terms and conditions set forth in the file "LICENSE.docs". You may obtain a duplicate copy of the same license, titled CC-BY-SA-4.0, at http://creativecommons.org/licenses/by/4.0/. diff --git a/vendor/github.com/docker/spdystream/connection.go b/vendor/github.com/docker/spdystream/connection.go deleted file mode 100644 index 6031a0db1..000000000 --- a/vendor/github.com/docker/spdystream/connection.go +++ /dev/null @@ -1,958 +0,0 @@ -package spdystream - -import ( - "errors" - "fmt" - "io" - "net" - "net/http" - "sync" - "time" - - "github.com/docker/spdystream/spdy" -) - -var ( - ErrInvalidStreamId = errors.New("Invalid stream id") - ErrTimeout = errors.New("Timeout occured") - ErrReset = errors.New("Stream reset") - ErrWriteClosedStream = errors.New("Write on closed stream") -) - -const ( - FRAME_WORKERS = 5 - QUEUE_SIZE = 50 -) - -type StreamHandler func(stream *Stream) - -type AuthHandler func(header http.Header, slot uint8, parent uint32) bool - -type idleAwareFramer struct { - f *spdy.Framer - conn *Connection - writeLock sync.Mutex - resetChan chan struct{} - setTimeoutLock sync.Mutex - setTimeoutChan chan time.Duration - timeout time.Duration -} - -func newIdleAwareFramer(framer *spdy.Framer) *idleAwareFramer { - iaf := &idleAwareFramer{ - f: framer, - resetChan: make(chan struct{}, 2), - // setTimeoutChan needs to be buffered to avoid deadlocks when calling setIdleTimeout at about - // the same time the connection is being closed - setTimeoutChan: make(chan time.Duration, 1), - } - return iaf -} - -func (i *idleAwareFramer) monitor() { - var ( - timer *time.Timer - expired <-chan time.Time - resetChan = i.resetChan - setTimeoutChan = i.setTimeoutChan - ) -Loop: - for { - select { - case timeout := <-i.setTimeoutChan: - i.timeout = timeout - if timeout == 0 { - if timer != nil { - timer.Stop() - } - } else { - if timer == nil { - timer = time.NewTimer(timeout) - expired = timer.C - } else { - timer.Reset(timeout) - } - } - case <-resetChan: - if timer != nil && i.timeout > 0 { - timer.Reset(i.timeout) - } - case <-expired: - i.conn.streamCond.L.Lock() - streams := i.conn.streams - i.conn.streams = make(map[spdy.StreamId]*Stream) - i.conn.streamCond.Broadcast() - i.conn.streamCond.L.Unlock() - go func() { - for _, stream := range streams { - stream.resetStream() - } - i.conn.Close() - }() - case <-i.conn.closeChan: - if timer != nil { - timer.Stop() - } - - // Start a goroutine to drain resetChan. This is needed because we've seen - // some unit tests with large numbers of goroutines get into a situation - // where resetChan fills up, at least 1 call to Write() is still trying to - // send to resetChan, the connection gets closed, and this case statement - // attempts to grab the write lock that Write() already has, causing a - // deadlock. - // - // See https://github.com/docker/spdystream/issues/49 for more details. - go func() { - for _ = range resetChan { - } - }() - - go func() { - for _ = range setTimeoutChan { - } - }() - - i.writeLock.Lock() - close(resetChan) - i.resetChan = nil - i.writeLock.Unlock() - - i.setTimeoutLock.Lock() - close(i.setTimeoutChan) - i.setTimeoutChan = nil - i.setTimeoutLock.Unlock() - - break Loop - } - } - - // Drain resetChan - for _ = range resetChan { - } -} - -func (i *idleAwareFramer) WriteFrame(frame spdy.Frame) error { - i.writeLock.Lock() - defer i.writeLock.Unlock() - if i.resetChan == nil { - return io.EOF - } - err := i.f.WriteFrame(frame) - if err != nil { - return err - } - - i.resetChan <- struct{}{} - - return nil -} - -func (i *idleAwareFramer) ReadFrame() (spdy.Frame, error) { - frame, err := i.f.ReadFrame() - if err != nil { - return nil, err - } - - // resetChan should never be closed since it is only closed - // when the connection has closed its closeChan. This closure - // only occurs after all Reads have finished - // TODO (dmcgowan): refactor relationship into connection - i.resetChan <- struct{}{} - - return frame, nil -} - -func (i *idleAwareFramer) setIdleTimeout(timeout time.Duration) { - i.setTimeoutLock.Lock() - defer i.setTimeoutLock.Unlock() - - if i.setTimeoutChan == nil { - return - } - - i.setTimeoutChan <- timeout -} - -type Connection struct { - conn net.Conn - framer *idleAwareFramer - - closeChan chan bool - goneAway bool - lastStreamChan chan<- *Stream - goAwayTimeout time.Duration - closeTimeout time.Duration - - streamLock *sync.RWMutex - streamCond *sync.Cond - streams map[spdy.StreamId]*Stream - - nextIdLock sync.Mutex - receiveIdLock sync.Mutex - nextStreamId spdy.StreamId - receivedStreamId spdy.StreamId - - pingIdLock sync.Mutex - pingId uint32 - pingChans map[uint32]chan error - - shutdownLock sync.Mutex - shutdownChan chan error - hasShutdown bool - - // for testing https://github.com/docker/spdystream/pull/56 - dataFrameHandler func(*spdy.DataFrame) error -} - -// NewConnection creates a new spdy connection from an existing -// network connection. -func NewConnection(conn net.Conn, server bool) (*Connection, error) { - framer, framerErr := spdy.NewFramer(conn, conn) - if framerErr != nil { - return nil, framerErr - } - idleAwareFramer := newIdleAwareFramer(framer) - var sid spdy.StreamId - var rid spdy.StreamId - var pid uint32 - if server { - sid = 2 - rid = 1 - pid = 2 - } else { - sid = 1 - rid = 2 - pid = 1 - } - - streamLock := new(sync.RWMutex) - streamCond := sync.NewCond(streamLock) - - session := &Connection{ - conn: conn, - framer: idleAwareFramer, - - closeChan: make(chan bool), - goAwayTimeout: time.Duration(0), - closeTimeout: time.Duration(0), - - streamLock: streamLock, - streamCond: streamCond, - streams: make(map[spdy.StreamId]*Stream), - nextStreamId: sid, - receivedStreamId: rid, - - pingId: pid, - pingChans: make(map[uint32]chan error), - - shutdownChan: make(chan error), - } - session.dataFrameHandler = session.handleDataFrame - idleAwareFramer.conn = session - go idleAwareFramer.monitor() - - return session, nil -} - -// Ping sends a ping frame across the connection and -// returns the response time -func (s *Connection) Ping() (time.Duration, error) { - pid := s.pingId - s.pingIdLock.Lock() - if s.pingId > 0x7ffffffe { - s.pingId = s.pingId - 0x7ffffffe - } else { - s.pingId = s.pingId + 2 - } - s.pingIdLock.Unlock() - pingChan := make(chan error) - s.pingChans[pid] = pingChan - defer delete(s.pingChans, pid) - - frame := &spdy.PingFrame{Id: pid} - startTime := time.Now() - writeErr := s.framer.WriteFrame(frame) - if writeErr != nil { - return time.Duration(0), writeErr - } - select { - case <-s.closeChan: - return time.Duration(0), errors.New("connection closed") - case err, ok := <-pingChan: - if ok && err != nil { - return time.Duration(0), err - } - break - } - return time.Now().Sub(startTime), nil -} - -// Serve handles frames sent from the server, including reply frames -// which are needed to fully initiate connections. Both clients and servers -// should call Serve in a separate goroutine before creating streams. -func (s *Connection) Serve(newHandler StreamHandler) { - // use a WaitGroup to wait for all frames to be drained after receiving - // go-away. - var wg sync.WaitGroup - - // Parition queues to ensure stream frames are handled - // by the same worker, ensuring order is maintained - frameQueues := make([]*PriorityFrameQueue, FRAME_WORKERS) - for i := 0; i < FRAME_WORKERS; i++ { - frameQueues[i] = NewPriorityFrameQueue(QUEUE_SIZE) - - // Ensure frame queue is drained when connection is closed - go func(frameQueue *PriorityFrameQueue) { - <-s.closeChan - frameQueue.Drain() - }(frameQueues[i]) - - wg.Add(1) - go func(frameQueue *PriorityFrameQueue) { - // let the WaitGroup know this worker is done - defer wg.Done() - - s.frameHandler(frameQueue, newHandler) - }(frameQueues[i]) - } - - var ( - partitionRoundRobin int - goAwayFrame *spdy.GoAwayFrame - ) -Loop: - for { - readFrame, err := s.framer.ReadFrame() - if err != nil { - if err != io.EOF { - fmt.Errorf("frame read error: %s", err) - } else { - debugMessage("(%p) EOF received", s) - } - break - } - var priority uint8 - var partition int - switch frame := readFrame.(type) { - case *spdy.SynStreamFrame: - if s.checkStreamFrame(frame) { - priority = frame.Priority - partition = int(frame.StreamId % FRAME_WORKERS) - debugMessage("(%p) Add stream frame: %d ", s, frame.StreamId) - s.addStreamFrame(frame) - } else { - debugMessage("(%p) Rejected stream frame: %d ", s, frame.StreamId) - continue - } - case *spdy.SynReplyFrame: - priority = s.getStreamPriority(frame.StreamId) - partition = int(frame.StreamId % FRAME_WORKERS) - case *spdy.DataFrame: - priority = s.getStreamPriority(frame.StreamId) - partition = int(frame.StreamId % FRAME_WORKERS) - case *spdy.RstStreamFrame: - priority = s.getStreamPriority(frame.StreamId) - partition = int(frame.StreamId % FRAME_WORKERS) - case *spdy.HeadersFrame: - priority = s.getStreamPriority(frame.StreamId) - partition = int(frame.StreamId % FRAME_WORKERS) - case *spdy.PingFrame: - priority = 0 - partition = partitionRoundRobin - partitionRoundRobin = (partitionRoundRobin + 1) % FRAME_WORKERS - case *spdy.GoAwayFrame: - // hold on to the go away frame and exit the loop - goAwayFrame = frame - break Loop - default: - priority = 7 - partition = partitionRoundRobin - partitionRoundRobin = (partitionRoundRobin + 1) % FRAME_WORKERS - } - frameQueues[partition].Push(readFrame, priority) - } - close(s.closeChan) - - // wait for all frame handler workers to indicate they've drained their queues - // before handling the go away frame - wg.Wait() - - if goAwayFrame != nil { - s.handleGoAwayFrame(goAwayFrame) - } - - // now it's safe to close remote channels and empty s.streams - s.streamCond.L.Lock() - // notify streams that they're now closed, which will - // unblock any stream Read() calls - for _, stream := range s.streams { - stream.closeRemoteChannels() - } - s.streams = make(map[spdy.StreamId]*Stream) - s.streamCond.Broadcast() - s.streamCond.L.Unlock() -} - -func (s *Connection) frameHandler(frameQueue *PriorityFrameQueue, newHandler StreamHandler) { - for { - popFrame := frameQueue.Pop() - if popFrame == nil { - return - } - - var frameErr error - switch frame := popFrame.(type) { - case *spdy.SynStreamFrame: - frameErr = s.handleStreamFrame(frame, newHandler) - case *spdy.SynReplyFrame: - frameErr = s.handleReplyFrame(frame) - case *spdy.DataFrame: - frameErr = s.dataFrameHandler(frame) - case *spdy.RstStreamFrame: - frameErr = s.handleResetFrame(frame) - case *spdy.HeadersFrame: - frameErr = s.handleHeaderFrame(frame) - case *spdy.PingFrame: - frameErr = s.handlePingFrame(frame) - case *spdy.GoAwayFrame: - frameErr = s.handleGoAwayFrame(frame) - default: - frameErr = fmt.Errorf("unhandled frame type: %T", frame) - } - - if frameErr != nil { - fmt.Errorf("frame handling error: %s", frameErr) - } - } -} - -func (s *Connection) getStreamPriority(streamId spdy.StreamId) uint8 { - stream, streamOk := s.getStream(streamId) - if !streamOk { - return 7 - } - return stream.priority -} - -func (s *Connection) addStreamFrame(frame *spdy.SynStreamFrame) { - var parent *Stream - if frame.AssociatedToStreamId != spdy.StreamId(0) { - parent, _ = s.getStream(frame.AssociatedToStreamId) - } - - stream := &Stream{ - streamId: frame.StreamId, - parent: parent, - conn: s, - startChan: make(chan error), - headers: frame.Headers, - finished: (frame.CFHeader.Flags & spdy.ControlFlagUnidirectional) != 0x00, - replyCond: sync.NewCond(new(sync.Mutex)), - dataChan: make(chan []byte), - headerChan: make(chan http.Header), - closeChan: make(chan bool), - } - if frame.CFHeader.Flags&spdy.ControlFlagFin != 0x00 { - stream.closeRemoteChannels() - } - - s.addStream(stream) -} - -// checkStreamFrame checks to see if a stream frame is allowed. -// If the stream is invalid, then a reset frame with protocol error -// will be returned. -func (s *Connection) checkStreamFrame(frame *spdy.SynStreamFrame) bool { - s.receiveIdLock.Lock() - defer s.receiveIdLock.Unlock() - if s.goneAway { - return false - } - validationErr := s.validateStreamId(frame.StreamId) - if validationErr != nil { - go func() { - resetErr := s.sendResetFrame(spdy.ProtocolError, frame.StreamId) - if resetErr != nil { - fmt.Errorf("reset error: %s", resetErr) - } - }() - return false - } - return true -} - -func (s *Connection) handleStreamFrame(frame *spdy.SynStreamFrame, newHandler StreamHandler) error { - stream, ok := s.getStream(frame.StreamId) - if !ok { - return fmt.Errorf("Missing stream: %d", frame.StreamId) - } - - newHandler(stream) - - return nil -} - -func (s *Connection) handleReplyFrame(frame *spdy.SynReplyFrame) error { - debugMessage("(%p) Reply frame received for %d", s, frame.StreamId) - stream, streamOk := s.getStream(frame.StreamId) - if !streamOk { - debugMessage("Reply frame gone away for %d", frame.StreamId) - // Stream has already gone away - return nil - } - if stream.replied { - // Stream has already received reply - return nil - } - stream.replied = true - - // TODO Check for error - if (frame.CFHeader.Flags & spdy.ControlFlagFin) != 0x00 { - s.remoteStreamFinish(stream) - } - - close(stream.startChan) - - return nil -} - -func (s *Connection) handleResetFrame(frame *spdy.RstStreamFrame) error { - stream, streamOk := s.getStream(frame.StreamId) - if !streamOk { - // Stream has already been removed - return nil - } - s.removeStream(stream) - stream.closeRemoteChannels() - - if !stream.replied { - stream.replied = true - stream.startChan <- ErrReset - close(stream.startChan) - } - - stream.finishLock.Lock() - stream.finished = true - stream.finishLock.Unlock() - - return nil -} - -func (s *Connection) handleHeaderFrame(frame *spdy.HeadersFrame) error { - stream, streamOk := s.getStream(frame.StreamId) - if !streamOk { - // Stream has already gone away - return nil - } - if !stream.replied { - // No reply received...Protocol error? - return nil - } - - // TODO limit headers while not blocking (use buffered chan or goroutine?) - select { - case <-stream.closeChan: - return nil - case stream.headerChan <- frame.Headers: - } - - if (frame.CFHeader.Flags & spdy.ControlFlagFin) != 0x00 { - s.remoteStreamFinish(stream) - } - - return nil -} - -func (s *Connection) handleDataFrame(frame *spdy.DataFrame) error { - debugMessage("(%p) Data frame received for %d", s, frame.StreamId) - stream, streamOk := s.getStream(frame.StreamId) - if !streamOk { - debugMessage("(%p) Data frame gone away for %d", s, frame.StreamId) - // Stream has already gone away - return nil - } - if !stream.replied { - debugMessage("(%p) Data frame not replied %d", s, frame.StreamId) - // No reply received...Protocol error? - return nil - } - - debugMessage("(%p) (%d) Data frame handling", stream, stream.streamId) - if len(frame.Data) > 0 { - stream.dataLock.RLock() - select { - case <-stream.closeChan: - debugMessage("(%p) (%d) Data frame not sent (stream shut down)", stream, stream.streamId) - case stream.dataChan <- frame.Data: - debugMessage("(%p) (%d) Data frame sent", stream, stream.streamId) - } - stream.dataLock.RUnlock() - } - if (frame.Flags & spdy.DataFlagFin) != 0x00 { - s.remoteStreamFinish(stream) - } - return nil -} - -func (s *Connection) handlePingFrame(frame *spdy.PingFrame) error { - if s.pingId&0x01 != frame.Id&0x01 { - return s.framer.WriteFrame(frame) - } - pingChan, pingOk := s.pingChans[frame.Id] - if pingOk { - close(pingChan) - } - return nil -} - -func (s *Connection) handleGoAwayFrame(frame *spdy.GoAwayFrame) error { - debugMessage("(%p) Go away received", s) - s.receiveIdLock.Lock() - if s.goneAway { - s.receiveIdLock.Unlock() - return nil - } - s.goneAway = true - s.receiveIdLock.Unlock() - - if s.lastStreamChan != nil { - stream, _ := s.getStream(frame.LastGoodStreamId) - go func() { - s.lastStreamChan <- stream - }() - } - - // Do not block frame handler waiting for closure - go s.shutdown(s.goAwayTimeout) - - return nil -} - -func (s *Connection) remoteStreamFinish(stream *Stream) { - stream.closeRemoteChannels() - - stream.finishLock.Lock() - if stream.finished { - // Stream is fully closed, cleanup - s.removeStream(stream) - } - stream.finishLock.Unlock() -} - -// CreateStream creates a new spdy stream using the parameters for -// creating the stream frame. The stream frame will be sent upon -// calling this function, however this function does not wait for -// the reply frame. If waiting for the reply is desired, use -// the stream Wait or WaitTimeout function on the stream returned -// by this function. -func (s *Connection) CreateStream(headers http.Header, parent *Stream, fin bool) (*Stream, error) { - // MUST synchronize stream creation (all the way to writing the frame) - // as stream IDs **MUST** increase monotonically. - s.nextIdLock.Lock() - defer s.nextIdLock.Unlock() - - streamId := s.getNextStreamId() - if streamId == 0 { - return nil, fmt.Errorf("Unable to get new stream id") - } - - stream := &Stream{ - streamId: streamId, - parent: parent, - conn: s, - startChan: make(chan error), - headers: headers, - dataChan: make(chan []byte), - headerChan: make(chan http.Header), - closeChan: make(chan bool), - } - - debugMessage("(%p) (%p) Create stream", s, stream) - - s.addStream(stream) - - return stream, s.sendStream(stream, fin) -} - -func (s *Connection) shutdown(closeTimeout time.Duration) { - // TODO Ensure this isn't called multiple times - s.shutdownLock.Lock() - if s.hasShutdown { - s.shutdownLock.Unlock() - return - } - s.hasShutdown = true - s.shutdownLock.Unlock() - - var timeout <-chan time.Time - if closeTimeout > time.Duration(0) { - timeout = time.After(closeTimeout) - } - streamsClosed := make(chan bool) - - go func() { - s.streamCond.L.Lock() - for len(s.streams) > 0 { - debugMessage("Streams opened: %d, %#v", len(s.streams), s.streams) - s.streamCond.Wait() - } - s.streamCond.L.Unlock() - close(streamsClosed) - }() - - var err error - select { - case <-streamsClosed: - // No active streams, close should be safe - err = s.conn.Close() - case <-timeout: - // Force ungraceful close - err = s.conn.Close() - // Wait for cleanup to clear active streams - <-streamsClosed - } - - if err != nil { - duration := 10 * time.Minute - time.AfterFunc(duration, func() { - select { - case err, ok := <-s.shutdownChan: - if ok { - fmt.Errorf("Unhandled close error after %s: %s", duration, err) - } - default: - } - }) - s.shutdownChan <- err - } - close(s.shutdownChan) - - return -} - -// Closes spdy connection by sending GoAway frame and initiating shutdown -func (s *Connection) Close() error { - s.receiveIdLock.Lock() - if s.goneAway { - s.receiveIdLock.Unlock() - return nil - } - s.goneAway = true - s.receiveIdLock.Unlock() - - var lastStreamId spdy.StreamId - if s.receivedStreamId > 2 { - lastStreamId = s.receivedStreamId - 2 - } - - goAwayFrame := &spdy.GoAwayFrame{ - LastGoodStreamId: lastStreamId, - Status: spdy.GoAwayOK, - } - - err := s.framer.WriteFrame(goAwayFrame) - if err != nil { - return err - } - - go s.shutdown(s.closeTimeout) - - return nil -} - -// CloseWait closes the connection and waits for shutdown -// to finish. Note the underlying network Connection -// is not closed until the end of shutdown. -func (s *Connection) CloseWait() error { - closeErr := s.Close() - if closeErr != nil { - return closeErr - } - shutdownErr, ok := <-s.shutdownChan - if ok { - return shutdownErr - } - return nil -} - -// Wait waits for the connection to finish shutdown or for -// the wait timeout duration to expire. This needs to be -// called either after Close has been called or the GOAWAYFRAME -// has been received. If the wait timeout is 0, this function -// will block until shutdown finishes. If wait is never called -// and a shutdown error occurs, that error will be logged as an -// unhandled error. -func (s *Connection) Wait(waitTimeout time.Duration) error { - var timeout <-chan time.Time - if waitTimeout > time.Duration(0) { - timeout = time.After(waitTimeout) - } - - select { - case err, ok := <-s.shutdownChan: - if ok { - return err - } - case <-timeout: - return ErrTimeout - } - return nil -} - -// NotifyClose registers a channel to be called when the remote -// peer inidicates connection closure. The last stream to be -// received by the remote will be sent on the channel. The notify -// timeout will determine the duration between go away received -// and the connection being closed. -func (s *Connection) NotifyClose(c chan<- *Stream, timeout time.Duration) { - s.goAwayTimeout = timeout - s.lastStreamChan = c -} - -// SetCloseTimeout sets the amount of time close will wait for -// streams to finish before terminating the underlying network -// connection. Setting the timeout to 0 will cause close to -// wait forever, which is the default. -func (s *Connection) SetCloseTimeout(timeout time.Duration) { - s.closeTimeout = timeout -} - -// SetIdleTimeout sets the amount of time the connection may sit idle before -// it is forcefully terminated. -func (s *Connection) SetIdleTimeout(timeout time.Duration) { - s.framer.setIdleTimeout(timeout) -} - -func (s *Connection) sendHeaders(headers http.Header, stream *Stream, fin bool) error { - var flags spdy.ControlFlags - if fin { - flags = spdy.ControlFlagFin - } - - headerFrame := &spdy.HeadersFrame{ - StreamId: stream.streamId, - Headers: headers, - CFHeader: spdy.ControlFrameHeader{Flags: flags}, - } - - return s.framer.WriteFrame(headerFrame) -} - -func (s *Connection) sendReply(headers http.Header, stream *Stream, fin bool) error { - var flags spdy.ControlFlags - if fin { - flags = spdy.ControlFlagFin - } - - replyFrame := &spdy.SynReplyFrame{ - StreamId: stream.streamId, - Headers: headers, - CFHeader: spdy.ControlFrameHeader{Flags: flags}, - } - - return s.framer.WriteFrame(replyFrame) -} - -func (s *Connection) sendResetFrame(status spdy.RstStreamStatus, streamId spdy.StreamId) error { - resetFrame := &spdy.RstStreamFrame{ - StreamId: streamId, - Status: status, - } - - return s.framer.WriteFrame(resetFrame) -} - -func (s *Connection) sendReset(status spdy.RstStreamStatus, stream *Stream) error { - return s.sendResetFrame(status, stream.streamId) -} - -func (s *Connection) sendStream(stream *Stream, fin bool) error { - var flags spdy.ControlFlags - if fin { - flags = spdy.ControlFlagFin - stream.finished = true - } - - var parentId spdy.StreamId - if stream.parent != nil { - parentId = stream.parent.streamId - } - - streamFrame := &spdy.SynStreamFrame{ - StreamId: spdy.StreamId(stream.streamId), - AssociatedToStreamId: spdy.StreamId(parentId), - Headers: stream.headers, - CFHeader: spdy.ControlFrameHeader{Flags: flags}, - } - - return s.framer.WriteFrame(streamFrame) -} - -// getNextStreamId returns the next sequential id -// every call should produce a unique value or an error -func (s *Connection) getNextStreamId() spdy.StreamId { - sid := s.nextStreamId - if sid > 0x7fffffff { - return 0 - } - s.nextStreamId = s.nextStreamId + 2 - return sid -} - -// PeekNextStreamId returns the next sequential id and keeps the next id untouched -func (s *Connection) PeekNextStreamId() spdy.StreamId { - sid := s.nextStreamId - return sid -} - -func (s *Connection) validateStreamId(rid spdy.StreamId) error { - if rid > 0x7fffffff || rid < s.receivedStreamId { - return ErrInvalidStreamId - } - s.receivedStreamId = rid + 2 - return nil -} - -func (s *Connection) addStream(stream *Stream) { - s.streamCond.L.Lock() - s.streams[stream.streamId] = stream - debugMessage("(%p) (%p) Stream added, broadcasting: %d", s, stream, stream.streamId) - s.streamCond.Broadcast() - s.streamCond.L.Unlock() -} - -func (s *Connection) removeStream(stream *Stream) { - s.streamCond.L.Lock() - delete(s.streams, stream.streamId) - debugMessage("(%p) (%p) Stream removed, broadcasting: %d", s, stream, stream.streamId) - s.streamCond.Broadcast() - s.streamCond.L.Unlock() -} - -func (s *Connection) getStream(streamId spdy.StreamId) (stream *Stream, ok bool) { - s.streamLock.RLock() - stream, ok = s.streams[streamId] - s.streamLock.RUnlock() - return -} - -// FindStream looks up the given stream id and either waits for the -// stream to be found or returns nil if the stream id is no longer -// valid. -func (s *Connection) FindStream(streamId uint32) *Stream { - var stream *Stream - var ok bool - s.streamCond.L.Lock() - stream, ok = s.streams[spdy.StreamId(streamId)] - debugMessage("(%p) Found stream %d? %t", s, spdy.StreamId(streamId), ok) - for !ok && streamId >= uint32(s.receivedStreamId) { - s.streamCond.Wait() - stream, ok = s.streams[spdy.StreamId(streamId)] - } - s.streamCond.L.Unlock() - return stream -} - -func (s *Connection) CloseChan() <-chan bool { - return s.closeChan -} diff --git a/vendor/github.com/docker/spdystream/handlers.go b/vendor/github.com/docker/spdystream/handlers.go deleted file mode 100644 index b59fa5fdc..000000000 --- a/vendor/github.com/docker/spdystream/handlers.go +++ /dev/null @@ -1,38 +0,0 @@ -package spdystream - -import ( - "io" - "net/http" -) - -// MirrorStreamHandler mirrors all streams. -func MirrorStreamHandler(stream *Stream) { - replyErr := stream.SendReply(http.Header{}, false) - if replyErr != nil { - return - } - - go func() { - io.Copy(stream, stream) - stream.Close() - }() - go func() { - for { - header, receiveErr := stream.ReceiveHeader() - if receiveErr != nil { - return - } - sendErr := stream.SendHeader(header, false) - if sendErr != nil { - return - } - } - }() -} - -// NoopStreamHandler does nothing when stream connects, most -// likely used with RejectAuthHandler which will not allow any -// streams to make it to the stream handler. -func NoOpStreamHandler(stream *Stream) { - stream.SendReply(http.Header{}, false) -} diff --git a/vendor/github.com/docker/spdystream/priority.go b/vendor/github.com/docker/spdystream/priority.go deleted file mode 100644 index fc8582b5c..000000000 --- a/vendor/github.com/docker/spdystream/priority.go +++ /dev/null @@ -1,98 +0,0 @@ -package spdystream - -import ( - "container/heap" - "sync" - - "github.com/docker/spdystream/spdy" -) - -type prioritizedFrame struct { - frame spdy.Frame - priority uint8 - insertId uint64 -} - -type frameQueue []*prioritizedFrame - -func (fq frameQueue) Len() int { - return len(fq) -} - -func (fq frameQueue) Less(i, j int) bool { - if fq[i].priority == fq[j].priority { - return fq[i].insertId < fq[j].insertId - } - return fq[i].priority < fq[j].priority -} - -func (fq frameQueue) Swap(i, j int) { - fq[i], fq[j] = fq[j], fq[i] -} - -func (fq *frameQueue) Push(x interface{}) { - *fq = append(*fq, x.(*prioritizedFrame)) -} - -func (fq *frameQueue) Pop() interface{} { - old := *fq - n := len(old) - *fq = old[0 : n-1] - return old[n-1] -} - -type PriorityFrameQueue struct { - queue *frameQueue - c *sync.Cond - size int - nextInsertId uint64 - drain bool -} - -func NewPriorityFrameQueue(size int) *PriorityFrameQueue { - queue := make(frameQueue, 0, size) - heap.Init(&queue) - - return &PriorityFrameQueue{ - queue: &queue, - size: size, - c: sync.NewCond(&sync.Mutex{}), - } -} - -func (q *PriorityFrameQueue) Push(frame spdy.Frame, priority uint8) { - q.c.L.Lock() - defer q.c.L.Unlock() - for q.queue.Len() >= q.size { - q.c.Wait() - } - pFrame := &prioritizedFrame{ - frame: frame, - priority: priority, - insertId: q.nextInsertId, - } - q.nextInsertId = q.nextInsertId + 1 - heap.Push(q.queue, pFrame) - q.c.Signal() -} - -func (q *PriorityFrameQueue) Pop() spdy.Frame { - q.c.L.Lock() - defer q.c.L.Unlock() - for q.queue.Len() == 0 { - if q.drain { - return nil - } - q.c.Wait() - } - frame := heap.Pop(q.queue).(*prioritizedFrame).frame - q.c.Signal() - return frame -} - -func (q *PriorityFrameQueue) Drain() { - q.c.L.Lock() - defer q.c.L.Unlock() - q.drain = true - q.c.Broadcast() -} 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{ - 0x00, 0x00, 0x00, 0x07, 0x6f, 0x70, 0x74, 0x69, - 0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x04, 0x68, - 0x65, 0x61, 0x64, 0x00, 0x00, 0x00, 0x04, 0x70, - 0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x03, 0x70, - 0x75, 0x74, 0x00, 0x00, 0x00, 0x06, 0x64, 0x65, - 0x6c, 0x65, 0x74, 0x65, 0x00, 0x00, 0x00, 0x05, - 0x74, 0x72, 0x61, 0x63, 0x65, 0x00, 0x00, 0x00, - 0x06, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x00, - 0x00, 0x00, 0x0e, 0x61, 0x63, 0x63, 0x65, 0x70, - 0x74, 0x2d, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, - 0x74, 0x00, 0x00, 0x00, 0x0f, 0x61, 0x63, 0x63, - 0x65, 0x70, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, - 0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x0f, - 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x6c, - 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x00, - 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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 -} diff --git a/vendor/github.com/docker/spdystream/stream.go b/vendor/github.com/docker/spdystream/stream.go deleted file mode 100644 index f9e9ee267..000000000 --- a/vendor/github.com/docker/spdystream/stream.go +++ /dev/null @@ -1,327 +0,0 @@ -package spdystream - -import ( - "errors" - "fmt" - "io" - "net" - "net/http" - "sync" - "time" - - "github.com/docker/spdystream/spdy" -) - -var ( - ErrUnreadPartialData = errors.New("unread partial data") -) - -type Stream struct { - streamId spdy.StreamId - parent *Stream - conn *Connection - startChan chan error - - dataLock sync.RWMutex - dataChan chan []byte - unread []byte - - priority uint8 - headers http.Header - headerChan chan http.Header - finishLock sync.Mutex - finished bool - replyCond *sync.Cond - replied bool - closeLock sync.Mutex - closeChan chan bool -} - -// WriteData writes data to stream, sending a dataframe per call -func (s *Stream) WriteData(data []byte, fin bool) error { - s.waitWriteReply() - var flags spdy.DataFlags - - if fin { - flags = spdy.DataFlagFin - s.finishLock.Lock() - if s.finished { - s.finishLock.Unlock() - return ErrWriteClosedStream - } - s.finished = true - s.finishLock.Unlock() - } - - dataFrame := &spdy.DataFrame{ - StreamId: s.streamId, - Flags: flags, - Data: data, - } - - debugMessage("(%p) (%d) Writing data frame", s, s.streamId) - return s.conn.framer.WriteFrame(dataFrame) -} - -// Write writes bytes to a stream, calling write data for each call. -func (s *Stream) Write(data []byte) (n int, err error) { - err = s.WriteData(data, false) - if err == nil { - n = len(data) - } - return -} - -// Read reads bytes from a stream, a single read will never get more -// than what is sent on a single data frame, but a multiple calls to -// read may get data from the same data frame. -func (s *Stream) Read(p []byte) (n int, err error) { - if s.unread == nil { - select { - case <-s.closeChan: - return 0, io.EOF - case read, ok := <-s.dataChan: - if !ok { - return 0, io.EOF - } - s.unread = read - } - } - n = copy(p, s.unread) - if n < len(s.unread) { - s.unread = s.unread[n:] - } else { - s.unread = nil - } - return -} - -// ReadData reads an entire data frame and returns the byte array -// from the data frame. If there is unread data from the result -// of a Read call, this function will return an ErrUnreadPartialData. -func (s *Stream) ReadData() ([]byte, error) { - debugMessage("(%p) Reading data from %d", s, s.streamId) - if s.unread != nil { - return nil, ErrUnreadPartialData - } - select { - case <-s.closeChan: - return nil, io.EOF - case read, ok := <-s.dataChan: - if !ok { - return nil, io.EOF - } - return read, nil - } -} - -func (s *Stream) waitWriteReply() { - if s.replyCond != nil { - s.replyCond.L.Lock() - for !s.replied { - s.replyCond.Wait() - } - s.replyCond.L.Unlock() - } -} - -// Wait waits for the stream to receive a reply. -func (s *Stream) Wait() error { - return s.WaitTimeout(time.Duration(0)) -} - -// WaitTimeout waits for the stream to receive a reply or for timeout. -// When the timeout is reached, ErrTimeout will be returned. -func (s *Stream) WaitTimeout(timeout time.Duration) error { - var timeoutChan <-chan time.Time - if timeout > time.Duration(0) { - timeoutChan = time.After(timeout) - } - - select { - case err := <-s.startChan: - if err != nil { - return err - } - break - case <-timeoutChan: - return ErrTimeout - } - return nil -} - -// Close closes the stream by sending an empty data frame with the -// finish flag set, indicating this side is finished with the stream. -func (s *Stream) Close() error { - select { - case <-s.closeChan: - // Stream is now fully closed - s.conn.removeStream(s) - default: - break - } - return s.WriteData([]byte{}, true) -} - -// Reset sends a reset frame, putting the stream into the fully closed state. -func (s *Stream) Reset() error { - s.conn.removeStream(s) - return s.resetStream() -} - -func (s *Stream) resetStream() error { - // Always call closeRemoteChannels, even if s.finished is already true. - // This makes it so that stream.Close() followed by stream.Reset() allows - // stream.Read() to unblock. - s.closeRemoteChannels() - - s.finishLock.Lock() - if s.finished { - s.finishLock.Unlock() - return nil - } - s.finished = true - s.finishLock.Unlock() - - resetFrame := &spdy.RstStreamFrame{ - StreamId: s.streamId, - Status: spdy.Cancel, - } - return s.conn.framer.WriteFrame(resetFrame) -} - -// CreateSubStream creates a stream using the current as the parent -func (s *Stream) CreateSubStream(headers http.Header, fin bool) (*Stream, error) { - return s.conn.CreateStream(headers, s, fin) -} - -// SetPriority sets the stream priority, does not affect the -// remote priority of this stream after Open has been called. -// Valid values are 0 through 7, 0 being the highest priority -// and 7 the lowest. -func (s *Stream) SetPriority(priority uint8) { - s.priority = priority -} - -// SendHeader sends a header frame across the stream -func (s *Stream) SendHeader(headers http.Header, fin bool) error { - return s.conn.sendHeaders(headers, s, fin) -} - -// SendReply sends a reply on a stream, only valid to be called once -// when handling a new stream -func (s *Stream) SendReply(headers http.Header, fin bool) error { - if s.replyCond == nil { - return errors.New("cannot reply on initiated stream") - } - s.replyCond.L.Lock() - defer s.replyCond.L.Unlock() - if s.replied { - return nil - } - - err := s.conn.sendReply(headers, s, fin) - if err != nil { - return err - } - - s.replied = true - s.replyCond.Broadcast() - return nil -} - -// Refuse sends a reset frame with the status refuse, only -// valid to be called once when handling a new stream. This -// may be used to indicate that a stream is not allowed -// when http status codes are not being used. -func (s *Stream) Refuse() error { - if s.replied { - return nil - } - s.replied = true - return s.conn.sendReset(spdy.RefusedStream, s) -} - -// Cancel sends a reset frame with the status canceled. This -// can be used at any time by the creator of the Stream to -// indicate the stream is no longer needed. -func (s *Stream) Cancel() error { - return s.conn.sendReset(spdy.Cancel, s) -} - -// ReceiveHeader receives a header sent on the other side -// of the stream. This function will block until a header -// is received or stream is closed. -func (s *Stream) ReceiveHeader() (http.Header, error) { - select { - case <-s.closeChan: - break - case header, ok := <-s.headerChan: - if !ok { - return nil, fmt.Errorf("header chan closed") - } - return header, nil - } - return nil, fmt.Errorf("stream closed") -} - -// Parent returns the parent stream -func (s *Stream) Parent() *Stream { - return s.parent -} - -// Headers returns the headers used to create the stream -func (s *Stream) Headers() http.Header { - return s.headers -} - -// String returns the string version of stream using the -// streamId to uniquely identify the stream -func (s *Stream) String() string { - return fmt.Sprintf("stream:%d", s.streamId) -} - -// Identifier returns a 32 bit identifier for the stream -func (s *Stream) Identifier() uint32 { - return uint32(s.streamId) -} - -// IsFinished returns whether the stream has finished -// sending data -func (s *Stream) IsFinished() bool { - return s.finished -} - -// Implement net.Conn interface - -func (s *Stream) LocalAddr() net.Addr { - return s.conn.conn.LocalAddr() -} - -func (s *Stream) RemoteAddr() net.Addr { - return s.conn.conn.RemoteAddr() -} - -// TODO set per stream values instead of connection-wide - -func (s *Stream) SetDeadline(t time.Time) error { - return s.conn.conn.SetDeadline(t) -} - -func (s *Stream) SetReadDeadline(t time.Time) error { - return s.conn.conn.SetReadDeadline(t) -} - -func (s *Stream) SetWriteDeadline(t time.Time) error { - return s.conn.conn.SetWriteDeadline(t) -} - -func (s *Stream) closeRemoteChannels() { - s.closeLock.Lock() - defer s.closeLock.Unlock() - select { - case <-s.closeChan: - default: - close(s.closeChan) - } -} diff --git a/vendor/github.com/docker/spdystream/utils.go b/vendor/github.com/docker/spdystream/utils.go deleted file mode 100644 index 1b2c199a4..000000000 --- a/vendor/github.com/docker/spdystream/utils.go +++ /dev/null @@ -1,16 +0,0 @@ -package spdystream - -import ( - "log" - "os" -) - -var ( - DEBUG = os.Getenv("DEBUG") -) - -func debugMessage(fmt string, args ...interface{}) { - if DEBUG != "" { - log.Printf(fmt, args...) - } -} |