Exemplo n.º 1
0
// 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
}
Exemplo n.º 2
0
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)
}
Exemplo n.º 3
0
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)
}