func (p *pipeTransport) SendMessage(ctx context.Context, msg rpccapnp.Message) error {
if !p.startSend() {
return errClosed
}
defer p.finishSend()
buf, err := msg.Segment().Message().Marshal()
if err != nil {
return err
}
mm, err := capnp.Unmarshal(buf)
if err != nil {
return err
}
msg, err = rpccapnp.ReadRootMessage(mm)
if err != nil {
return err
}
select {
case p.w <- msg:
return nil
case <-ctx.Done():
return ctx.Err()
case <-p.finish:
return errClosed
case <-p.otherFin:
return errBrokenPipe
}
}
// copyRPCMessage clones an RPC packet.
func copyRPCMessage(m rpccapnp.Message) rpccapnp.Message {
mm := copyMessage(m.Segment().Message())
rpcMsg, err := rpccapnp.ReadRootMessage(mm)
if err != nil {
panic(err)
}
return rpcMsg
}
func (s *streamTransport) SendMessage(ctx context.Context, msg rpccapnp.Message) error {
s.wbuf.Reset()
if err := s.enc.Encode(msg.Segment().Message()); err != nil {
return err
}
if s.deadline != nil {
// TODO(light): log errors
if d, ok := ctx.Deadline(); ok {
s.deadline.SetWriteDeadline(d)
} else {
s.deadline.SetWriteDeadline(time.Time{})
}
}
_, err := s.rwc.Write(s.wbuf.Bytes())
return err
}