Ejemplo n.º 1
0
// DoCancelAfterFirstResponse cancels the RPC after receiving the first message from the server.
func DoCancelAfterFirstResponse(tc testpb.TestServiceClient) {
	ctx, cancel := context.WithCancel(context.Background())
	stream, err := tc.FullDuplexCall(ctx)
	if err != nil {
		grpclog.Fatalf("%v.FullDuplexCall(_) = _, %v", tc, err)
	}
	respParam := []*testpb.ResponseParameters{
		{
			Size: proto.Int32(31415),
		},
	}
	pl := clientNewPayload(testpb.PayloadType_COMPRESSABLE, 27182)
	req := &testpb.StreamingOutputCallRequest{
		ResponseType:       testpb.PayloadType_COMPRESSABLE.Enum(),
		ResponseParameters: respParam,
		Payload:            pl,
	}
	if err := stream.Send(req); err != nil {
		grpclog.Fatalf("%v.Send(%v) = %v", stream, req, err)
	}
	if _, err := stream.Recv(); err != nil {
		grpclog.Fatalf("%v.Recv() = %v", stream, err)
	}
	cancel()
	if _, err := stream.Recv(); grpc.Code(err) != codes.Canceled {
		grpclog.Fatalf("%v compleled with error code %d, want %d", stream, grpc.Code(err), codes.Canceled)
	}
	grpclog.Println("CancelAfterFirstResponse done")
}
Ejemplo n.º 2
0
// DoCancelAfterBegin cancels the RPC after metadata has been sent but before payloads are sent.
func DoCancelAfterBegin(tc testpb.TestServiceClient) {
	ctx, cancel := context.WithCancel(metadata.NewContext(context.Background(), testMetadata))
	stream, err := tc.StreamingInputCall(ctx)
	if err != nil {
		grpclog.Fatalf("%v.StreamingInputCall(_) = _, %v", tc, err)
	}
	cancel()
	_, err = stream.CloseAndRecv()
	if grpc.Code(err) != codes.Canceled {
		grpclog.Fatalf("%v.CloseAndRecv() got error code %d, want %d", stream, grpc.Code(err), codes.Canceled)
	}
	grpclog.Println("CancelAfterBegin done")
}
Ejemplo n.º 3
0
// DoTimeoutOnSleepingServer performs an RPC on a sleep server which causes RPC timeout.
func DoTimeoutOnSleepingServer(tc testpb.TestServiceClient) {
	ctx, _ := context.WithTimeout(context.Background(), 1*time.Millisecond)
	stream, err := tc.FullDuplexCall(ctx)
	if err != nil {
		if grpc.Code(err) == codes.DeadlineExceeded {
			grpclog.Println("TimeoutOnSleepingServer done")
			return
		}
		grpclog.Fatalf("%v.FullDuplexCall(_) = _, %v", tc, err)
	}
	pl := clientNewPayload(testpb.PayloadType_COMPRESSABLE, 27182)
	req := &testpb.StreamingOutputCallRequest{
		ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
		Payload:      pl,
	}
	if err := stream.Send(req); err != nil {
		grpclog.Fatalf("%v.Send(%v) = %v", stream, req, err)
	}
	if _, err := stream.Recv(); grpc.Code(err) != codes.DeadlineExceeded {
		grpclog.Fatalf("%v.Recv() = _, %v, want error code %d", stream, err, codes.DeadlineExceeded)
	}
	grpclog.Println("TimeoutOnSleepingServer done")
}