func (t *http2Client) handleData(f *http2.DataFrame) {
// Select the right stream to dispatch.
s, ok := t.getStream(f)
if !ok {
return
}
size := len(f.Data())
if size > 0 {
if err := s.fc.onData(uint32(size)); err != nil {
if _, ok := err.(ConnectionError); ok {
t.notifyError(err)
return
}
s.mu.Lock()
if s.state == streamDone {
s.mu.Unlock()
return
}
s.state = streamDone
s.statusCode = codes.Internal
s.statusDesc = err.Error()
s.mu.Unlock()
s.write(recvMsg{err: io.EOF})
t.controlBuf.put(&resetStream{s.id, http2.ErrCodeFlowControl})
return
}
// TODO(bradfitz, zhaoq): A copy is required here because there is no
// guarantee f.Data() is consumed before the arrival of next frame.
// Can this copy be eliminated?
data := make([]byte, size)
copy(data, f.Data())
s.write(recvMsg{data: data})
}
// The server has closed the stream without sending trailers. Record that
// the read direction is closed, and set the status appropriately.
if f.FrameHeader.Flags.Has(http2.FlagDataEndStream) {
s.mu.Lock()
if s.state == streamWriteDone {
s.state = streamDone
} else {
s.state = streamReadDone
}
s.statusCode = codes.Internal
s.statusDesc = "server closed the stream without sending trailers"
s.mu.Unlock()
s.write(recvMsg{err: io.EOF})
}
}
func (t *http2Server) handleData(f *http2.DataFrame) {
// Select the right stream to dispatch.
s, ok := t.getStream(f)
if !ok {
return
}
size := len(f.Data())
if size > 0 {
if err := s.fc.onData(uint32(size)); err != nil {
if _, ok := err.(ConnectionError); ok {
grpclog.Printf("transport: http2Server %v", err)
t.Close()
return
}
t.closeStream(s)
t.controlBuf.put(&resetStream{s.id, http2.ErrCodeFlowControl})
return
}
// TODO(bradfitz, zhaoq): A copy is required here because there is no
// guarantee f.Data() is consumed before the arrival of next frame.
// Can this copy be eliminated?
data := make([]byte, size)
copy(data, f.Data())
s.write(recvMsg{data: data})
}
if f.Header().Flags.Has(http2.FlagDataEndStream) {
// Received the end of stream from the client.
s.mu.Lock()
if s.state != streamDone {
if s.state == streamWriteDone {
s.state = streamDone
} else {
s.state = streamReadDone
}
}
s.mu.Unlock()
s.write(recvMsg{err: io.EOF})
}
}