func (ss *serverStream) SendMsg(m interface{}) error {
out, err := encode(ss.codec, m, compressionNone)
if err != nil {
err = transport.StreamErrorf(codes.Internal, "grpc: %v", err)
return err
}
return ss.t.Write(ss.s, out, &transport.Options{Last: false})
}
func (cs *clientStream) SendMsg(m interface{}) (err error) {
defer func() {
if err == nil || err == io.EOF {
return
}
if _, ok := err.(transport.ConnectionError); !ok {
cs.t.CloseStream(cs.s, err)
}
err = toRPCErr(err)
}()
out, err := encode(cs.codec, m, compressionNone)
if err != nil {
return transport.StreamErrorf(codes.Internal, "grpc: %v", err)
}
return cs.t.Write(cs.s, out, &transport.Options{Last: false})
}
// sendRequest writes out various information of an RPC such as Context and Message.
func sendRequest(ctx context.Context, codec Codec, callHdr *transport.CallHdr, t transport.ClientTransport, args interface{}, opts *transport.Options) (_ *transport.Stream, err error) {
stream, err := t.NewStream(ctx, callHdr)
if err != nil {
return nil, err
}
defer func() {
if err != nil {
if _, ok := err.(transport.ConnectionError); !ok {
t.CloseStream(stream, err)
}
}
}()
// TODO(zhaoq): Support compression.
outBuf, err := encode(codec, args, compressionNone)
if err != nil {
return nil, transport.StreamErrorf(codes.Internal, "grpc: %v", err)
}
err = t.Write(stream, outBuf, opts)
if err != nil {
return nil, err
}
// Sent successfully.
return stream, nil
}