Examples with GrpcServer io.helidon.grpc.server.GrpcServer used on opensource projects

Example 6 with GrpcServer

use of io.helidon.grpc.server.GrpcServer in project helidon by oracle.

the class GrpcServerCdiExtension method startServer.

private void startServer(@Observes @Initialized(ApplicationScoped.class) Object event, BeanManager beanManager) {
    GrpcRouting.Builder routingBuilder = discoverGrpcRouting(beanManager);
    Config config = MpConfig.toHelidonConfig(ConfigProvider.getConfig());
    GrpcServerConfiguration.Builder serverConfiguration = GrpcServerConfiguration.builder(config.get("grpc"));
    CompletableFuture<GrpcServer> startedFuture = new CompletableFuture<>();
    CompletableFuture<GrpcServer> shutdownFuture = new CompletableFuture<>();
    loadExtensions(beanManager, config, routingBuilder, serverConfiguration, startedFuture, shutdownFuture);
    server = GrpcServer.create(serverConfiguration.build(), routingBuilder.build());
    long beforeT = System.nanoTime();
    server.start().whenComplete((grpcServer, throwable) -> {
        if (null != throwable) {
            STARTUP_LOGGER.log(Level.SEVERE, throwable, () -> "gRPC server startup failed");
            startedFuture.completeExceptionally(throwable);
        } else {
            long t = TimeUnit.MILLISECONDS.convert(System.nanoTime() - beforeT, TimeUnit.NANOSECONDS);
            int port = grpcServer.port();
            STARTUP_LOGGER.finest("gRPC server started up");
            LOGGER.info(() -> "gRPC server started on localhost:" + port + " (and all other host addresses) " + "in " + t + " milliseconds.");
            grpcServer.whenShutdown().whenComplete((server, error) -> {
                if (error == null) {
                    shutdownFuture.complete(server);
                } else {
                    shutdownFuture.completeExceptionally(error);
                }
            });
            startedFuture.complete(grpcServer);
        }
    });
    // inject the server into the producer so that it can be discovered later
    ServerProducer serverProducer = beanManager.createInstance().select(ServerProducer.class).get();
    serverProducer.server(server);
}

Example 7 with GrpcServer

use of io.helidon.grpc.server.GrpcServer in project helidon by oracle.

the class MetricsTest method startServer.

@BeforeAll
public static void startServer() throws Exception {
    LogConfig.configureRuntime();
    server = Server.create().start();
    beanManager = CDI.current().getBeanManager();
    client = ClientBuilder.newBuilder().register(new LoggingFeature(LOGGER, Level.WARNING, LoggingFeature.Verbosity.PAYLOAD_ANY, 500)).property(ClientProperties.FOLLOW_REDIRECTS, true).build();
    instance = beanManager.createInstance();
    GrpcServer grpcServer = instance.select(GrpcServerCdiExtension.ServerProducer.class).get().server();
    channel = ManagedChannelBuilder.forAddress("localhost", grpcServer.port()).usePlaintext().build();
    stringStub = StringServiceGrpc.newBlockingStub(channel);
}

Example 8 with GrpcServer

use of io.helidon.grpc.server.GrpcServer in project helidon by oracle.

the class GrpcServerCdiExtensionTest method shouldStartServerAndLoadServicesAndExtensions.

@Test
public void shouldStartServerAndLoadServicesAndExtensions() {
    Instance<GrpcServerCdiExtension.ServerProducer> instance = beanManager.createInstance().select(GrpcServerCdiExtension.ServerProducer.class);
    // verify that the GrpcServerCdiExtension.ServerProducer producer bean is registered
    assertThat(instance.isResolvable(), is(true));
    // obtain the started server from the producer
    GrpcServer grpcServer = instance.get().server();
    assertThat(grpcServer, is(CoreMatchers.notNullValue()));
    assertThat(grpcServer.isRunning(), is(true));
    // verify that the services are deployed
    Map<String, ServiceDescriptor> services = grpcServer.services();
    // UnaryService should have been discovered by CDI
    assertThat(services.get("UnaryService"), is(CoreMatchers.notNullValue()));
    // ServerStreamingService loaded by ExtensionOne discovered by CDI
    assertThat(services.get("ServerStreamingService"), is(CoreMatchers.notNullValue()));
    // TestService loaded by ExtensionTwo loaded by the ServiceLoader
    assertThat(services.get("TestService"), is(CoreMatchers.notNullValue()));
}

Example 9 with GrpcServer

use of io.helidon.grpc.server.GrpcServer in project helidon by oracle.

the class SecureServer method createGrpcServer.

/**
 * Create the gRPC server.
 */
private static GrpcServer createGrpcServer(Config config, Security security) {
    GrpcRouting grpcRouting = GrpcRouting.builder().intercept(GrpcSecurity.create(security).securityDefaults(GrpcSecurity.authenticate())).register(new StringService(), GrpcSecurity.rolesAllowed("admin")).register(new GreetService()).build();
    GrpcServer grpcServer = GrpcServer.create(GrpcServerConfiguration.create(config), grpcRouting);
    grpcServer.start().thenAccept(s -> {
        System.out.println("gRPC server is UP! http://localhost:" + s.port());
        s.whenShutdown().thenRun(() -> System.out.println("gRPC server is DOWN. Good bye!"));
    }).exceptionally(t -> {
        System.err.println("gRPC server startup failed: " + t.getMessage());
        t.printStackTrace(System.err);
        return null;
    });
    return grpcServer;
}

Example 10 with GrpcServer

use of io.helidon.grpc.server.GrpcServer in project helidon by oracle.

the class SecureServer method main.

/**
 * Main entry point.
 *
 * @param args  the program arguments
 */
public static void main(String[] args) {
    LogConfig.configureRuntime();
    Config config = Config.create();
    Security security = Security.builder().addProvider(HttpBasicAuthProvider.create(config.get("http-basic-auth"))).build();
    ServiceDescriptor greetService1 = ServiceDescriptor.builder(new GreetService(config)).name("GreetService").intercept(GrpcSecurity.rolesAllowed("user")).intercept("SetGreeting", GrpcSecurity.rolesAllowed("admin")).build();
    GrpcRouting grpcRouting = GrpcRouting.builder().intercept(GrpcSecurity.create(security).securityDefaults(GrpcSecurity.authenticate())).register(greetService1).register(new StringService()).build();
    GrpcServerConfiguration serverConfig = GrpcServerConfiguration.create(config.get("grpc"));
    GrpcServer grpcServer = GrpcServer.create(serverConfig, grpcRouting);
    grpcServer.start().thenAccept(s -> {
        System.out.println("gRPC server is UP! http://localhost:" + s.port());
        s.whenShutdown().thenRun(() -> System.out.println("gRPC server is DOWN. Good bye!"));
    }).exceptionally(t -> {
        System.err.println("Startup failed: " + t.getMessage());
        t.printStackTrace(System.err);
        return null;
    });
}