io.grpc.examples.helloworld.HelloRequest Java Examples
The following examples show how to use
io.grpc.examples.helloworld.HelloRequest.
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: HelloWorldAltsClient.java From grpc-java with Apache License 2.0 | 6 votes |
private void run(String[] args) throws InterruptedException { parseArgs(args); ExecutorService executor = Executors.newFixedThreadPool(1); ManagedChannel channel = AltsChannelBuilder.forTarget(serverAddress).executor(executor).build(); try { GreeterGrpc.GreeterBlockingStub stub = GreeterGrpc.newBlockingStub(channel); HelloReply resp = stub.sayHello(HelloRequest.newBuilder().setName("Waldo").build()); logger.log(Level.INFO, "Got {0}", resp); } finally { channel.shutdown(); channel.awaitTermination(1, TimeUnit.SECONDS); // Wait until the channel has terminated, since tasks can be queued after the channel is // shutdown. executor.shutdown(); } }
Example #2
Source File: GreeterImpl.java From sofa-rpc with Apache License 2.0 | 6 votes |
@Override public void sayHello(HelloRequest req, StreamObserver<HelloReply> responseObserver) { HelloRequest.DateTime reqDateTime = req.getDateTime(); int i = 0; try { i = Integer.parseInt(reqDateTime.getTime()); } catch (Exception e) { //TODO: handle exception } LocalDateTime dt = LocalDateTime.now(); String dtStr = dt.format(datetimeFormatter[i % datetimeFormatter.length]); HelloRequest.DateTime rplyDateTime = HelloRequest.DateTime.newBuilder(reqDateTime) .setDate(dtStr).build(); HelloReply reply = HelloReply.newBuilder() .setMessage("Hello " + req.getName()) .setDateTime(rplyDateTime) .build(); responseObserver.onNext(reply); responseObserver.onCompleted(); }
Example #3
Source File: HeaderServerInterceptorTest.java From grpc-nebula-java with Apache License 2.0 | 6 votes |
@Test public void serverHeaderDeliveredToClient() { class SpyingClientInterceptor implements ClientInterceptor { ClientCall.Listener<?> spyListener; @Override public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall( MethodDescriptor<ReqT, RespT> method, CallOptions callOptions, Channel next) { return new SimpleForwardingClientCall<ReqT, RespT>(next.newCall(method, callOptions)) { @Override public void start(Listener<RespT> responseListener, Metadata headers) { spyListener = responseListener = mock(ClientCall.Listener.class, delegatesTo(responseListener)); super.start(responseListener, headers); } }; } } SpyingClientInterceptor clientInterceptor = new SpyingClientInterceptor(); GreeterBlockingStub blockingStub = GreeterGrpc.newBlockingStub(channel) .withInterceptors(clientInterceptor); ArgumentCaptor<Metadata> metadataCaptor = ArgumentCaptor.forClass(Metadata.class); blockingStub.sayHello(HelloRequest.getDefaultInstance()); assertNotNull(clientInterceptor.spyListener); verify(clientInterceptor.spyListener).onHeaders(metadataCaptor.capture()); assertEquals( "customRespondValue", metadataCaptor.getValue().get(HeaderServerInterceptor.CUSTOM_HEADER_KEY)); }
Example #4
Source File: HeaderServerInterceptorTest.java From grpc-java with Apache License 2.0 | 6 votes |
@Before public void setUp() throws Exception { GreeterImplBase greeterImplBase = new GreeterImplBase() { @Override public void sayHello(HelloRequest request, StreamObserver<HelloReply> responseObserver) { responseObserver.onNext(HelloReply.getDefaultInstance()); responseObserver.onCompleted(); } }; // Generate a unique in-process server name. String serverName = InProcessServerBuilder.generateName(); // Create a server, add service, start, and register for automatic graceful shutdown. grpcCleanup.register(InProcessServerBuilder.forName(serverName).directExecutor() .addService(ServerInterceptors.intercept(greeterImplBase, new HeaderServerInterceptor())) .build().start()); // Create a client channel and register for automatic graceful shutdown. channel = grpcCleanup.register(InProcessChannelBuilder.forName(serverName).directExecutor().build()); }
Example #5
Source File: BasicConsumer.java From dubbo-samples with Apache License 2.0 | 6 votes |
public static void main(String[] args) throws Exception { ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("spring/dubbo-demo-consumer.xml"); context.start(); /** * greeter sample */ System.out.println("-------- Start simple unary call test -------- "); ReactorDubboGreeterGrpc.IReactorGreeter greeter = (ReactorDubboGreeterGrpc.IReactorGreeter) context.getBean("greeter"); greeter .sayHello(HelloRequest.newBuilder().setName("world!").build()) .subscribe(reply -> System.out.println("Result: " + reply)); System.out.println("-------- End simple unary call test -------- \n\n\n"); System.in.read(); }
Example #6
Source File: DetailErrorSample.java From grpc-nebula-java with Apache License 2.0 | 6 votes |
void run() throws Exception { Server server = ServerBuilder.forPort(0).addService(new GreeterGrpc.GreeterImplBase() { @Override public void sayHello(HelloRequest request, StreamObserver<HelloReply> responseObserver) { Metadata trailers = new Metadata(); trailers.put(DEBUG_INFO_TRAILER_KEY, DEBUG_INFO); responseObserver.onError(Status.INTERNAL.withDescription(DEBUG_DESC) .asRuntimeException(trailers)); } }).build().start(); channel = ManagedChannelBuilder.forAddress("localhost", server.getPort()).usePlaintext().build(); blockingCall(); futureCallDirect(); futureCallCallback(); asyncCall(); advancedAsyncCall(); channel.shutdown(); server.shutdown(); channel.awaitTermination(1, TimeUnit.SECONDS); server.awaitTermination(); }
Example #7
Source File: ErrorHandlingClient.java From grpc-nebula-java with Apache License 2.0 | 6 votes |
/** * This is more advanced and does not make use of the stub. You should not normally need to do * this, but here is how you would. */ void advancedAsyncCall() { ClientCall<HelloRequest, HelloReply> call = channel.newCall(GreeterGrpc.getSayHelloMethod(), CallOptions.DEFAULT); final CountDownLatch latch = new CountDownLatch(1); call.start(new ClientCall.Listener<HelloReply>() { @Override public void onClose(Status status, Metadata trailers) { Verify.verify(status.getCode() == Status.Code.INTERNAL); Verify.verify(status.getDescription().contains("Narwhal")); // Cause is not transmitted over the wire. latch.countDown(); } }, new Metadata()); call.sendMessage(HelloRequest.newBuilder().setName("Marge").build()); call.halfClose(); if (!Uninterruptibles.awaitUninterruptibly(latch, 1, TimeUnit.SECONDS)) { throw new RuntimeException("timeout!"); } }
Example #8
Source File: HelloworldActivity.java From grpc-java with Apache License 2.0 | 6 votes |
@Override protected String doInBackground(String... params) { String host = params[0]; String message = params[1]; String portStr = params[2]; int port = TextUtils.isEmpty(portStr) ? 0 : Integer.valueOf(portStr); try { channel = ManagedChannelBuilder.forAddress(host, port).usePlaintext().build(); GreeterGrpc.GreeterBlockingStub stub = GreeterGrpc.newBlockingStub(channel); HelloRequest request = HelloRequest.newBuilder().setName(message).build(); HelloReply reply = stub.sayHello(request); return reply.getMessage(); } catch (Exception e) { StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); e.printStackTrace(pw); pw.flush(); return String.format("Failed... : %n%s", sw); } }
Example #9
Source File: BasicConsumer.java From dubbo-samples with Apache License 2.0 | 6 votes |
public static void main(String[] args) throws Exception { ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("spring/dubbo-demo-consumer.xml"); context.start(); /** * greeter sample */ System.out.println("-------- Start simple unary call test -------- "); RxDubboGreeterGrpc.IRxGreeter greeter = (RxDubboGreeterGrpc.IRxGreeter) context.getBean("greeter"); greeter .sayHello(HelloRequest.newBuilder().setName("world!").build()) .subscribe(reply -> System.out.println("Result: " + reply)); System.out.println("-------- End simple unary call test -------- \n\n\n"); System.in.read(); }
Example #10
Source File: ErrorHandlingClient.java From grpc-nebula-java with Apache License 2.0 | 6 votes |
void run() throws Exception { // Port 0 means that the operating system will pick an available port to use. Server server = ServerBuilder.forPort(0).addService(new GreeterGrpc.GreeterImplBase() { @Override public void sayHello(HelloRequest request, StreamObserver<HelloReply> responseObserver) { responseObserver.onError(Status.INTERNAL .withDescription("Eggplant Xerxes Crybaby Overbite Narwhal").asRuntimeException()); } }).build().start(); channel = ManagedChannelBuilder.forAddress("localhost", server.getPort()).usePlaintext().build(); blockingCall(); futureCallDirect(); futureCallCallback(); asyncCall(); advancedAsyncCall(); channel.shutdown(); server.shutdown(); channel.awaitTermination(1, TimeUnit.SECONDS); server.awaitTermination(); }
Example #11
Source File: ScalingTestBase.java From quarkus with Apache License 2.0 | 6 votes |
Set<String> getThreadsUsedFor100Requests() throws InterruptedException, ExecutionException, TimeoutException { int requestNo = 100; List<Callable<String>> calls = new ArrayList<>(); for (int i = 0; i < requestNo; i++) { calls.add(() -> { ManagedChannel channel = ManagedChannelBuilder.forAddress("localhost", 9000) .usePlaintext() .build(); HelloReply reply = GreeterGrpc.newBlockingStub(channel) .sayHello(HelloRequest.newBuilder().setName("foo").build()); channel.shutdownNow(); return reply.getMessage(); }); } List<Future<String>> results = Executors.newFixedThreadPool(requestNo) .invokeAll(calls); Set<String> threads = new HashSet<>(); for (Future<String> result : results) { threads.add(result.get(10, TimeUnit.SECONDS)); } return threads; }
Example #12
Source File: ErrorHandlingClient.java From grpc-java with Apache License 2.0 | 6 votes |
/** * This is more advanced and does not make use of the stub. You should not normally need to do * this, but here is how you would. */ void advancedAsyncCall() { ClientCall<HelloRequest, HelloReply> call = channel.newCall(GreeterGrpc.getSayHelloMethod(), CallOptions.DEFAULT); final CountDownLatch latch = new CountDownLatch(1); call.start(new ClientCall.Listener<HelloReply>() { @Override public void onClose(Status status, Metadata trailers) { Verify.verify(status.getCode() == Status.Code.INTERNAL); Verify.verify(status.getDescription().contains("Narwhal")); // Cause is not transmitted over the wire. latch.countDown(); } }, new Metadata()); call.sendMessage(HelloRequest.newBuilder().setName("Marge").build()); call.halfClose(); if (!Uninterruptibles.awaitUninterruptibly(latch, 1, TimeUnit.SECONDS)) { throw new RuntimeException("timeout!"); } }
Example #13
Source File: DetailErrorSample.java From grpc-java with Apache License 2.0 | 6 votes |
void run() throws Exception { Server server = ServerBuilder.forPort(0).addService(new GreeterGrpc.GreeterImplBase() { @Override public void sayHello(HelloRequest request, StreamObserver<HelloReply> responseObserver) { Metadata trailers = new Metadata(); trailers.put(DEBUG_INFO_TRAILER_KEY, DEBUG_INFO); responseObserver.onError(Status.INTERNAL.withDescription(DEBUG_DESC) .asRuntimeException(trailers)); } }).build().start(); channel = ManagedChannelBuilder.forAddress("localhost", server.getPort()).usePlaintext().build(); blockingCall(); futureCallDirect(); futureCallCallback(); asyncCall(); advancedAsyncCall(); channel.shutdown(); server.shutdown(); channel.awaitTermination(1, TimeUnit.SECONDS); server.awaitTermination(); }
Example #14
Source File: RetryingHelloWorldClient.java From grpc-java with Apache License 2.0 | 6 votes |
/** * Say hello to server in a blocking unary call. */ public void greet(String name) { HelloRequest request = HelloRequest.newBuilder().setName(name).build(); HelloReply response = null; StatusRuntimeException statusRuntimeException = null; try { response = blockingStub.sayHello(request); } catch (StatusRuntimeException e) { failedRpcs.incrementAndGet(); statusRuntimeException = e; } totalRpcs.incrementAndGet(); if (statusRuntimeException == null) { logger.log(Level.INFO,"Greeting: {0}", new Object[]{response.getMessage()}); } else { logger.log(Level.INFO,"RPC failed: {0}", new Object[]{statusRuntimeException.getStatus()}); } }
Example #15
Source File: AuthClient.java From grpc-java with Apache License 2.0 | 5 votes |
/** * Say hello to server. * * @param name name to set in HelloRequest * @return the message in the HelloReply from the server */ public String greet(String name) { logger.info("Will try to greet " + name + " ..."); HelloRequest request = HelloRequest.newBuilder().setName(name).build(); // Use a stub with the given call credentials applied to invoke the RPC. HelloReply response = blockingStub .withCallCredentials(callCredentials) .sayHello(request); logger.info("Greeting: " + response.getMessage()); return response.getMessage(); }
Example #16
Source File: HelloWorldClientTls.java From grpc-java with Apache License 2.0 | 5 votes |
/** * Say hello to server. */ public void greet(String name) { logger.info("Will try to greet " + name + " ..."); HelloRequest request = HelloRequest.newBuilder().setName(name).build(); HelloReply response; try { response = blockingStub.sayHello(request); } catch (StatusRuntimeException e) { logger.log(Level.WARNING, "RPC failed: {0}", e.getStatus()); return; } logger.info("Greeting: " + response.getMessage()); }
Example #17
Source File: SafeMethodCachingInterceptorTest.java From grpc-java with Apache License 2.0 | 5 votes |
@Override public void sayAnotherHello(HelloRequest req, StreamObserver<HelloReply> responseObserver) { HelloReply reply = HelloReply.newBuilder() .setMessage("Hello again " + req.getName() + " " + count++) .build(); responseObserver.onNext(reply); responseObserver.onCompleted(); }
Example #18
Source File: BaseITTracingServerInterceptor.java From brave with Apache License 2.0 | 5 votes |
@Test public void setsErrorOnRuntimeException() { assertThatThrownBy(() -> GreeterGrpc.newBlockingStub(client) .sayHello(HelloRequest.newBuilder().setName("testerror").build())) .isInstanceOf(StatusRuntimeException.class); MutableSpan span = testSpanHandler.takeRemoteSpanWithErrorMessage(Span.Kind.SERVER, "testerror"); assertThat(span.tags().get("grpc.status_code")).isNull(); }
Example #19
Source File: GrpcGreeterImpl.java From dubbo-samples with Apache License 2.0 | 5 votes |
@Override public void sayHello(HelloRequest request, StreamObserver<HelloReply> responseObserver) { System.out.println("Executing thread is " + Thread.currentThread().getName()); HelloReply reply = HelloReply.newBuilder().setMessage("Hello " + request.getName()).build(); responseObserver.onNext(reply); responseObserver.onCompleted(); }
Example #20
Source File: AuthClientTest.java From grpc-java with Apache License 2.0 | 5 votes |
@Test public void greet() { ArgumentCaptor<Metadata> metadataCaptor = ArgumentCaptor.forClass(Metadata.class); String retVal = client.greet("John"); verify(mockServerInterceptor).interceptCall( ArgumentMatchers.<ServerCall<HelloRequest, HelloReply>>any(), metadataCaptor.capture(), ArgumentMatchers.<ServerCallHandler<HelloRequest, HelloReply>>any()); String token = metadataCaptor.getValue().get(Constant.AUTHORIZATION_METADATA_KEY); assertNotNull(token); assertTrue(token.startsWith("Bearer")); assertEquals("AuthClientTest user=John", retVal); }
Example #21
Source File: ServerInterceptorPriorityReversedTest.java From quarkus with Apache License 2.0 | 5 votes |
@Test public void testInterceptors() { HelloReply reply = GreeterGrpc.newBlockingStub(channel) .sayHello(HelloRequest.newBuilder().setName("neo").build()); assertThat(reply.getMessage()).isEqualTo("Hello neo"); assertThat(interceptor1.getLastCall()).isNotZero(); assertThat(interceptor2.getLastCall()).isNotZero(); assertThat(interceptor2.getLastCall()).isGreaterThan(interceptor1.getLastCall()); }
Example #22
Source File: HeaderClientInterceptorTest.java From grpc-java with Apache License 2.0 | 5 votes |
@Test public void clientHeaderDeliveredToServer() throws Exception { // Generate a unique in-process server name. String serverName = InProcessServerBuilder.generateName(); // Create a server, add service, start, and register for automatic graceful shutdown. grpcCleanup.register(InProcessServerBuilder.forName(serverName).directExecutor() .addService(ServerInterceptors.intercept(new GreeterImplBase() {}, mockServerInterceptor)) .build().start()); // Create a client channel and register for automatic graceful shutdown. ManagedChannel channel = grpcCleanup.register( InProcessChannelBuilder.forName(serverName).directExecutor().build()); GreeterBlockingStub blockingStub = GreeterGrpc.newBlockingStub( ClientInterceptors.intercept(channel, new HeaderClientInterceptor())); ArgumentCaptor<Metadata> metadataCaptor = ArgumentCaptor.forClass(Metadata.class); try { blockingStub.sayHello(HelloRequest.getDefaultInstance()); fail(); } catch (StatusRuntimeException expected) { // expected because the method is not implemented at server side } verify(mockServerInterceptor).interceptCall( ArgumentMatchers.<ServerCall<HelloRequest, HelloReply>>any(), metadataCaptor.capture(), ArgumentMatchers.<ServerCallHandler<HelloRequest, HelloReply>>any()); assertEquals( "customRequestValue", metadataCaptor.getValue().get(HeaderClientInterceptor.CUSTOM_HEADER_KEY)); }
Example #23
Source File: ClientInterceptorPriorityTest.java From quarkus with Apache License 2.0 | 5 votes |
@Test public void testInterceptors() { HelloReply reply = client .sayHello(HelloRequest.newBuilder().setName("neo").build()); assertThat(reply.getMessage()).isEqualTo("Hello neo"); assertThat(interceptor1.getLastCall()).isNotZero(); assertThat(interceptor2.getLastCall()).isNotZero(); assertThat(interceptor2.getLastCall()).isGreaterThan(interceptor1.getLastCall()); }
Example #24
Source File: ServerInterceptorPriorityTest.java From quarkus with Apache License 2.0 | 5 votes |
@Test public void testInterceptors() { HelloReply reply = GreeterGrpc.newBlockingStub(channel) .sayHello(HelloRequest.newBuilder().setName("neo").build()); assertThat(reply.getMessage()).isEqualTo("Hello neo"); assertThat(interceptor1.getLastCall()).isNotZero(); assertThat(interceptor2.getLastCall()).isNotZero(); assertThat(interceptor2.getLastCall()).isGreaterThan(interceptor1.getLastCall()); }
Example #25
Source File: DetailErrorSample.java From grpc-java with Apache License 2.0 | 5 votes |
void futureCallCallback() { GreeterFutureStub stub = GreeterGrpc.newFutureStub(channel); ListenableFuture<HelloReply> response = stub.sayHello(HelloRequest.newBuilder().build()); final CountDownLatch latch = new CountDownLatch(1); Futures.addCallback( response, new FutureCallback<HelloReply>() { @Override public void onSuccess(@Nullable HelloReply result) { // Won't be called, since the server in this example always fails. } @Override public void onFailure(Throwable t) { verifyErrorReply(t); latch.countDown(); } }, directExecutor()); if (!Uninterruptibles.awaitUninterruptibly(latch, 1, TimeUnit.SECONDS)) { throw new RuntimeException("timeout!"); } }
Example #26
Source File: ClientInterceptorPriorityReversedTest.java From quarkus with Apache License 2.0 | 5 votes |
@Test public void testInterceptors() { HelloReply reply = client .sayHello(HelloRequest.newBuilder().setName("neo").build()); assertThat(reply.getMessage()).isEqualTo("Hello neo"); assertThat(interceptor1.getLastCall()).isNotZero(); assertThat(interceptor2.getLastCall()).isNotZero(); assertThat(interceptor2.getLastCall()).isGreaterThan(interceptor1.getLastCall()); }
Example #27
Source File: ServerInterceptorRegistrationTest.java From quarkus with Apache License 2.0 | 5 votes |
@Test public void testInterceptorRegistration() { HelloReply reply = GreeterGrpc.newBlockingStub(channel) .sayHello(HelloRequest.newBuilder().setName("neo").build()); assertThat(reply.getMessage()).isEqualTo("Hello neo"); assertThat(interceptor.getLastCall()).isNotZero(); }
Example #28
Source File: CompressingHelloWorldClient.java From grpc-java with Apache License 2.0 | 5 votes |
/** Say hello to server. */ public void greet(String name) { logger.info("Will try to greet " + name + " ..."); HelloRequest request = HelloRequest.newBuilder().setName(name).build(); HelloReply response; try { // This enables compression for requests. Independent of this setting, servers choose whether // to compress responses. response = blockingStub.withCompression("gzip").sayHello(request); } catch (StatusRuntimeException e) { logger.log(Level.WARNING, "RPC failed: {0}", e.getStatus()); return; } logger.info("Greeting: " + response.getMessage()); }
Example #29
Source File: HelloWorldClientTls.java From grpc-nebula-java with Apache License 2.0 | 5 votes |
/** * Say hello to server. */ public void greet(String name) { logger.info("Will try to greet " + name + " ..."); HelloRequest request = HelloRequest.newBuilder().setName(name).build(); HelloReply response; try { response = blockingStub.sayHello(request); } catch (StatusRuntimeException e) { logger.log(Level.WARNING, "RPC failed: {0}", e.getStatus()); return; } logger.info("Greeting: " + response.getMessage()); }
Example #30
Source File: HostnameGreeter.java From grpc-java with Apache License 2.0 | 5 votes |
@Override public void sayHello(HelloRequest req, StreamObserver<HelloReply> responseObserver) { HelloReply reply = HelloReply.newBuilder() .setMessage("Hello " + req.getName() + ", from " + serverName) .build(); responseObserver.onNext(reply); responseObserver.onCompleted(); }