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 := newPayload(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") }
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") }
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 := newPayload(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") }