How to use OnReceiveResponse method of grpc Package

Best Venom code snippet using grpc.OnReceiveResponse

invoke.go

Source:invoke.go

...27	// OnSendHeaders is called with the request metadata that is being sent.28	OnSendHeaders(metadata.MD)29	// OnReceiveHeaders is called when response headers have been received.30	OnReceiveHeaders(metadata.MD)31	// OnReceiveResponse is called for each response message received.32	OnReceiveResponse(proto.Message)33	// OnReceiveTrailers is called when response trailers and final RPC status have been received.34	OnReceiveTrailers(*status.Status, metadata.MD)35}36// RequestMessageSupplier is a function that is called to retrieve request37// messages for a GRPC operation. This type is deprecated and will be removed in38// a future release.39//40// Deprecated: This is only used with the deprecated InvokeRpc. Instead, use41// RequestSupplier with InvokeRPC.42type RequestMessageSupplier func() ([]byte, error)43// InvokeRpc uses the given gRPC connection to invoke the given method. This function is deprecated44// and will be removed in a future release. It just delegates to the similarly named InvokeRPC45// method, whose signature is only slightly different.46//47// Deprecated: use InvokeRPC instead.48func InvokeRpc(ctx context.Context, source DescriptorSource, cc *grpc.ClientConn, methodName string,49	headers []string, handler InvocationEventHandler, requestData RequestMessageSupplier) error {50	return InvokeRPC(ctx, source, cc, methodName, headers, handler, func(m proto.Message) error {51		// New function is almost identical, but the request supplier function works differently.52		// So we adapt the logic here to maintain compatibility.53		data, err := requestData()54		if err != nil {55			return err56		}57		return jsonpb.Unmarshal(bytes.NewReader(data), m)58	})59}60// RequestSupplier is a function that is called to populate messages for a gRPC operation. The61// function should populate the given message or return a non-nil error. If the supplier has no62// more messages, it should return io.EOF. When it returns io.EOF, it should not in any way63// modify the given message argument.64type RequestSupplier func(proto.Message) error65// InvokeRPC uses the given gRPC channel to invoke the given method. The given descriptor source66// is used to determine the type of method and the type of request and response message. The given67// headers are sent as request metadata. Methods on the given event handler are called as the68// invocation proceeds.69//70// The given requestData function supplies the actual data to send. It should return io.EOF when71// there is no more request data. If the method being invoked is a unary or server-streaming RPC72// (e.g. exactly one request message) and there is no request data (e.g. the first invocation of73// the function returns io.EOF), then an empty request message is sent.74//75// If the requestData function and the given event handler coordinate or share any state, they should76// be thread-safe. This is because the requestData function may be called from a different goroutine77// than the one invoking event callbacks. (This only happens for bi-directional streaming RPCs, where78// one goroutine sends request messages and another consumes the response messages).79func InvokeRPC(ctx context.Context, source DescriptorSource, ch grpcdynamic.Channel, methodName string,80	headers []string, handler InvocationEventHandler, requestData RequestSupplier) error {81	md := MetadataFromHeaders(headers)82	svc, mth := parseSymbol(methodName)83	if svc == "" || mth == "" {84		return fmt.Errorf("given method name %q is not in expected format: 'service/method' or 'service.method'", methodName)85	}86	dsc, err := source.FindSymbol(svc)87	if err != nil {88		if isNotFoundError(err) {89			return fmt.Errorf("target server does not expose service %q", svc)90		}91		return fmt.Errorf("failed to query for service descriptor %q: %v", svc, err)92	}93	sd, ok := dsc.(*desc.ServiceDescriptor)94	if !ok {95		return fmt.Errorf("target server does not expose service %q", svc)96	}97	mtd := sd.FindMethodByName(mth)98	if mtd == nil {99		return fmt.Errorf("service %q does not include a method named %q", svc, mth)100	}101	handler.OnResolveMethod(mtd)102	// we also download any applicable extensions so we can provide full support for parsing user-provided data103	var ext dynamic.ExtensionRegistry104	alreadyFetched := map[string]bool{}105	if err = fetchAllExtensions(source, &ext, mtd.GetInputType(), alreadyFetched); err != nil {106		return fmt.Errorf("error resolving server extensions for message %s: %v", mtd.GetInputType().GetFullyQualifiedName(), err)107	}108	if err = fetchAllExtensions(source, &ext, mtd.GetOutputType(), alreadyFetched); err != nil {109		return fmt.Errorf("error resolving server extensions for message %s: %v", mtd.GetOutputType().GetFullyQualifiedName(), err)110	}111	msgFactory := dynamic.NewMessageFactoryWithExtensionRegistry(&ext)112	req := msgFactory.NewMessage(mtd.GetInputType())113	handler.OnSendHeaders(md)114	ctx = metadata.NewOutgoingContext(ctx, md)115	stub := grpcdynamic.NewStubWithMessageFactory(ch, msgFactory)116	ctx, cancel := context.WithCancel(ctx)117	defer cancel()118	if mtd.IsClientStreaming() && mtd.IsServerStreaming() {119		return invokeBidi(ctx, stub, mtd, handler, requestData, req)120	} else if mtd.IsClientStreaming() {121		return invokeClientStream(ctx, stub, mtd, handler, requestData, req)122	} else if mtd.IsServerStreaming() {123		return invokeServerStream(ctx, stub, mtd, handler, requestData, req)124	} else {125		return invokeUnary(ctx, stub, mtd, handler, requestData, req)126	}127}128func invokeUnary(ctx context.Context, stub grpcdynamic.Stub, md *desc.MethodDescriptor, handler InvocationEventHandler,129	requestData RequestSupplier, req proto.Message) error {130	err := requestData(req)131	if err != nil && err != io.EOF {132		return fmt.Errorf("error getting request data: %v", err)133	}134	if err != io.EOF {135		// verify there is no second message, which is a usage error136		err := requestData(req)137		if err == nil {138			return fmt.Errorf("method %q is a unary RPC, but request data contained more than 1 message", md.GetFullyQualifiedName())139		} else if err != io.EOF {140			return fmt.Errorf("error getting request data: %v", err)141		}142	}143	// Now we can actually invoke the RPC!144	var respHeaders metadata.MD145	var respTrailers metadata.MD146	resp, err := stub.InvokeRpc(ctx, md, req, grpc.Trailer(&respTrailers), grpc.Header(&respHeaders))147	stat, ok := status.FromError(err)148	if !ok {149		// Error codes sent from the server will get printed differently below.150		// So just bail for other kinds of errors here.151		return fmt.Errorf("grpc call for %q failed: %v", md.GetFullyQualifiedName(), err)152	}153	handler.OnReceiveHeaders(respHeaders)154	if stat.Code() == codes.OK {155		handler.OnReceiveResponse(resp)156	}157	handler.OnReceiveTrailers(stat, respTrailers)158	return nil159}160func invokeClientStream(ctx context.Context, stub grpcdynamic.Stub, md *desc.MethodDescriptor, handler InvocationEventHandler,161	requestData RequestSupplier, req proto.Message) error {162	// invoke the RPC!163	str, err := stub.InvokeRpcClientStream(ctx, md)164	// Upload each request message in the stream165	var resp proto.Message166	for err == nil {167		err = requestData(req)168		if err == io.EOF {169			resp, err = str.CloseAndReceive()170			break171		}172		if err != nil {173			return fmt.Errorf("error getting request data: %v", err)174		}175		err = str.SendMsg(req)176		if err == io.EOF {177			// We get EOF on send if the server says "go away"178			// We have to use CloseAndReceive to get the actual code179			resp, err = str.CloseAndReceive()180			break181		}182		req.Reset()183	}184	// finally, process response data185	stat, ok := status.FromError(err)186	if !ok {187		// Error codes sent from the server will get printed differently below.188		// So just bail for other kinds of errors here.189		return fmt.Errorf("grpc call for %q failed: %v", md.GetFullyQualifiedName(), err)190	}191	if respHeaders, err := str.Header(); err == nil {192		handler.OnReceiveHeaders(respHeaders)193	}194	if stat.Code() == codes.OK {195		handler.OnReceiveResponse(resp)196	}197	handler.OnReceiveTrailers(stat, str.Trailer())198	return nil199}200func invokeServerStream(ctx context.Context, stub grpcdynamic.Stub, md *desc.MethodDescriptor, handler InvocationEventHandler,201	requestData RequestSupplier, req proto.Message) error {202	err := requestData(req)203	if err != nil && err != io.EOF {204		return fmt.Errorf("error getting request data: %v", err)205	}206	if err != io.EOF {207		// verify there is no second message, which is a usage error208		err := requestData(req)209		if err == nil {210			return fmt.Errorf("method %q is a server-streaming RPC, but request data contained more than 1 message", md.GetFullyQualifiedName())211		} else if err != io.EOF {212			return fmt.Errorf("error getting request data: %v", err)213		}214	}215	// Now we can actually invoke the RPC!216	str, err := stub.InvokeRpcServerStream(ctx, md, req)217	if respHeaders, err := str.Header(); err == nil {218		handler.OnReceiveHeaders(respHeaders)219	}220	// Download each response message221	for err == nil {222		var resp proto.Message223		resp, err = str.RecvMsg()224		if err != nil {225			if err == io.EOF {226				err = nil227			}228			break229		}230		handler.OnReceiveResponse(resp)231	}232	stat, ok := status.FromError(err)233	if !ok {234		// Error codes sent from the server will get printed differently below.235		// So just bail for other kinds of errors here.236		return fmt.Errorf("grpc call for %q failed: %v", md.GetFullyQualifiedName(), err)237	}238	handler.OnReceiveTrailers(stat, str.Trailer())239	return nil240}241func invokeBidi(ctx context.Context, stub grpcdynamic.Stub, md *desc.MethodDescriptor, handler InvocationEventHandler,242	requestData RequestSupplier, req proto.Message) error {243	ctx, cancel := context.WithCancel(ctx)244	defer cancel()245	// invoke the RPC!246	str, err := stub.InvokeRpcBidiStream(ctx, md)247	var wg sync.WaitGroup248	var sendErr atomic.Value249	defer wg.Wait()250	if err == nil {251		wg.Add(1)252		go func() {253			defer wg.Done()254			// Concurrently upload each request message in the stream255			var err error256			for err == nil {257				err = requestData(req)258				if err == io.EOF {259					err = str.CloseSend()260					break261				}262				if err != nil {263					err = fmt.Errorf("error getting request data: %v", err)264					cancel()265					break266				}267				err = str.SendMsg(req)268				req.Reset()269			}270			if err != nil {271				sendErr.Store(err)272			}273		}()274	}275	if respHeaders, err := str.Header(); err == nil {276		handler.OnReceiveHeaders(respHeaders)277	}278	// Download each response message279	for err == nil {280		var resp proto.Message281		resp, err = str.RecvMsg()282		if err != nil {283			if err == io.EOF {284				err = nil285			}286			break287		}288		handler.OnReceiveResponse(resp)289	}290	if se, ok := sendErr.Load().(error); ok && se != io.EOF {291		err = se292	}293	stat, ok := status.FromError(err)294	if !ok {295		// Error codes sent from the server will get printed differently below.296		// So just bail for other kinds of errors here.297		return fmt.Errorf("grpc call for %q failed: %v", md.GetFullyQualifiedName(), err)298	}299	handler.OnReceiveTrailers(stat, str.Trailer())300	return nil301}302type notFoundError string...

client.go

Source:client.go

...103		return response.Response{Duration: endTime.Sub(startTime), Err: nil, Type: respType}104	}105	return response.Response{Duration: endTime.Sub(startTime), Err: nil, Type: respType}106}107// OnReceiveResponse overrides the default method and allows enabling/disabling logging of responses.108func (h eventHandler) OnReceiveResponse(msg proto.Message) {109	if h.logResponses {110		h.InvocationEventHandler.OnReceiveResponse(msg)111	}112}113// Close calling close on a client that has not established connection does not return an error.114func (c Client) Close() error {115	log.Print("Closing gRPC client connection")116	return c.connClose()117}...

OnReceiveResponse

Using AI Code Generation

1func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {2	return &pb.HelloReply{Message: "Hello " + in.Name}, nil3}4func (s *server) OnReceiveResponseStream(stream pb.Greeter_OnReceiveResponseStreamServer) error {5	for {6		in, err := stream.Recv()7		if err == io.EOF {8			return stream.SendAndClose(&pb.HelloReply{Message: "Hello " + in.Name})9		}10		if err != nil {11		}12		log.Printf("Received: %v", in.Name)13	}14}15func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {16	return &pb.HelloReply{Message: "Hello " + in.Name}, nil17}18func (s *server) OnReceiveResponseStream(stream pb.Greeter_OnReceiveResponseStreamServer) error {19	for {20		in, err := stream.Recv()21		if err == io.EOF {22			return stream.SendAndClose(&pb.HelloReply{Message: "Hello " + in.Name})23		}24		if err != nil {25		}26		log.Printf("Received: %v", in.Name)27	}28}29func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {30	return &pb.HelloReply{Message: "Hello " + in.Name}, nil31}32func (s *server) OnReceiveResponseStream(stream pb.Greeter_OnReceiveResponseStreamServer) error {33	for {34		in, err := stream.Recv()35		if err == io.EOF {36			return stream.SendAndClose(&pb.HelloReply{Message: "Hello " + in.Name})37		}38		if err != nil {39		}40		log.Printf("Received: %v", in.Name)41	}42}

OnReceiveResponse

Using AI Code Generation

1func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {2    return &pb.HelloReply{Message: "Hello " + in.Name}, nil3}4func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {5    return &pb.HelloReply{Message: "Hello " + in.Name}, nil6}7func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {8    return &pb.HelloReply{Message: "Hello " + in.Name}, nil9}10func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {11    return &pb.HelloReply{Message: "Hello " + in.Name}, nil12}13func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {14    return &pb.HelloReply{Message: "Hello " + in.Name}, nil15}16func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {17    return &pb.HelloReply{Message: "Hello " + in.Name}, nil18}19func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {20    return &pb.HelloReply{Message: "Hello " + in.Name}, nil21}22func (s *server) OnReceiveResponse(ctx context.Context, in *pb.HelloRequest) (*pb

OnReceiveResponse

Using AI Code Generation

1func (s *server) OnReceiveResponse(ctx context.Context, in *pb.Response) (*pb.Response, error) {2	log.Printf("Received: %v", in.GetMessage())3	return &pb.Response{Message: "Hello " + in.GetMessage()}, nil4}5func (s *server) OnReceiveResponse(ctx context.Context, in *pb.Response) (*pb.Response, error) {6	log.Printf("Received: %v", in.GetMessage())7	return &pb.Response{Message: "Hello " + in.GetMessage()}, nil8}9func (s *server) OnReceiveResponse(ctx context.Context, in *pb.Response) (*pb.Response, error) {10	log.Printf("Received: %v", in.GetMessage())11	return &pb.Response{Message: "Hello " + in.GetMessage()}, nil12}13func (s *server) OnReceiveResponse(ctx context.Context, in *pb.Response) (*pb.Response, error) {14	log.Printf("Received: %v", in.GetMessage())15	return &pb.Response{Message: "Hello " + in.GetMessage()}, nil16}17func (s *server) OnReceiveResponse(ctx context.Context, in *pb.Response) (*pb.Response, error) {18	log.Printf("Received: %v", in.GetMessage())19	return &pb.Response{Message: "Hello " + in.GetMessage()}, nil20}21func (s *server) OnReceiveResponse(ctx context.Context, in *pb.Response) (*pb.Response, error) {22	log.Printf("Received: %v", in.GetMessage())23	return &pb.Response{Message: "Hello " + in.GetMessage()}, nil24}25func (s *server) OnReceiveResponse(ctx context.Context, in *pb.Response) (*pb.Response, error) {26	log.Printf("Received: %v", in.GetMessage())27	return &pb.Response{Message: "Hello " + in.GetMessage()}, nil

OnReceiveResponse

Using AI Code Generation

1import (2const (3func main() {4	conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithKeepaliveParams(keepalive.ClientParameters{5	}))6	if err != nil {7		log.Fatalf("did not connect: %v", err)8	}9	defer conn.Close()10	c := pb.NewGreeterClient(conn)11	ctx, cancel := context.WithTimeout(context.Background(), time.Second)12	defer cancel()13	r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})14	if err != nil {15		log.Fatalf("could not greet: %v", err)16	}17	log.Printf("Greeting: %s", r.Message)18}19import (20const (21func main() {22	conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithKeepaliveParams(keepalive.ClientParameters{23	}))24	if err != nil {25		log.Fatalf("did not connect: %v", err)26	}27	defer conn.Close()28	c := pb.NewGreeterClient(conn)

OnReceiveResponse

Using AI Code Generation

1func (s *server) OnReceiveResponse(ctx context.Context, r *pb.Request) (*pb.Response, error) {2	return &pb.Response{Msg: "Hello " + r.Name}, nil3}4func (s *server) OnReceiveResponse(ctx context.Context, r *pb.Request) (*pb.Response, error) {5	return &pb.Response{Msg: "Hello " + r.Name}, nil6}7func (s *server) OnReceiveResponse(ctx context.Context, r *pb.Request) (*pb.Response, error) {8	return &pb.Response{Msg: "Hello " + r.Name}, nil9}10func (s *server) OnReceiveResponse(ctx context.Context, r *pb.Request) (*pb.Response, error) {11	return &pb.Response{Msg: "Hello " + r.Name}, nil12}13func (s *server) OnReceiveResponse(ctx context.Context, r *pb.Request) (*pb.Response, error) {14	return &pb.Response{Msg: "Hello " + r.Name}, nil15}16func (s *server) OnReceiveResponse(ctx context.Context, r *pb.Request) (*pb.Response, error) {17	return &pb.Response{Msg: "Hello " + r.Name}, nil18}19func (s *server) OnReceiveResponse(ctx context.Context, r *pb.Request) (*pb.Response, error) {20	return &pb.Response{Msg: "Hello " + r.Name}, nil21}22func (s *server) OnReceiveResponse(ctx context.Context, r *pb.Request) (*pb.Response, error) {23	return &pb.Response{Msg: "Hello " + r.Name}, nil24}25func (s *server) OnReceiveResponse(ctx

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