Example #1
0
func (s *testServer) FullDuplexCall(stream testpb.TestService_FullDuplexCallServer) error {
	for {
		in, err := stream.Recv()
		if err == io.EOF {
			// read done.
			return nil
		}
		if err != nil {
			return err
		}
		cs := in.GetResponseParameters()
		for _, c := range cs {
			if us := c.GetIntervalUs(); us > 0 {
				time.Sleep(time.Duration(us) * time.Microsecond)
			}
			pl, err := serverNewPayload(in.GetResponseType(), c.GetSize())
			if err != nil {
				return err
			}
			if err := stream.Send(&testpb.StreamingOutputCallResponse{
				Payload: pl,
			}); err != nil {
				return err
			}
		}
	}
}
Example #2
0
func (s *testServer) FullDuplexCall(stream testpb.TestService_FullDuplexCallServer) error {
	if md, ok := metadata.FromContext(stream.Context()); ok {
		if initialMetadata, ok := md[initialMetadataKey]; ok {
			header := metadata.Pairs(initialMetadataKey, initialMetadata[0])
			stream.SendHeader(header)
		}
		if trailingMetadata, ok := md[trailingMetadataKey]; ok {
			trailer := metadata.Pairs(trailingMetadataKey, trailingMetadata[0])
			stream.SetTrailer(trailer)
		}
	}
	for {
		in, err := stream.Recv()
		if err == io.EOF {
			// read done.
			return nil
		}
		if err != nil {
			return err
		}
		status := in.GetResponseStatus()
		if status != nil && *status.Code != 0 {
			return grpc.Errorf(codes.Code(*status.Code), *status.Message)
		}
		cs := in.GetResponseParameters()
		for _, c := range cs {
			if us := c.GetIntervalUs(); us > 0 {
				time.Sleep(time.Duration(us) * time.Microsecond)
			}
			pl, err := serverNewPayload(in.GetResponseType(), c.GetSize())
			if err != nil {
				return err
			}
			if err := stream.Send(&testpb.StreamingOutputCallResponse{
				Payload: pl,
			}); err != nil {
				return err
			}
		}
	}
}