Examples with EventLoopGroup io.netty.channel.EventLoopGroup used on opensource projects

Example 71 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project undertow by undertow-io.

the class WebSocketTestClient method connect.

/**
     * Connect the WebSocket client
     *
     * @throws Exception
     */
public WebSocketTestClient connect() throws Exception {
    String protocol = uri.getScheme();
    if (!"ws".equals(protocol)) {
        throw new IllegalArgumentException("Unsupported protocol: " + protocol);
    }
    final WebSocketClientHandshaker handshaker = WebSocketClientHandshakerFactory.newHandshaker(uri, version, null, false, new DefaultHttpHeaders());
    EventLoopGroup group = new NioEventLoopGroup();
    final CountDownLatch handshakeLatch = new CountDownLatch(1);
    bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer() {

        @Override
        protected void initChannel(Channel channel) throws Exception {
            ChannelPipeline p = channel.pipeline();
            p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), new WSClientHandler(handshaker, handshakeLatch));
        }
    });
    // Connect
    ChannelFuture future = bootstrap.connect(new InetSocketAddress(uri.getHost(), uri.getPort()));
    future.syncUninterruptibly();
    ch = future.channel();
    handshaker.handshake(ch).syncUninterruptibly();
    handshakeLatch.await();
    return this;
}

Example 72 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project aerospike-client-java by aerospike.

the class Main method runBenchmarks.

public void runBenchmarks() throws Exception {
    if (this.asyncEnabled) {
        EventPolicy eventPolicy = new EventPolicy();
        if (args.readPolicy.socketTimeout > 0 && args.readPolicy.socketTimeout < eventPolicy.minTimeout) {
            eventPolicy.minTimeout = args.readPolicy.socketTimeout;
        }
        if (args.writePolicy.socketTimeout > 0 && args.writePolicy.socketTimeout < eventPolicy.minTimeout) {
            eventPolicy.minTimeout = args.writePolicy.socketTimeout;
        }
        switch(this.eventLoopType) {
            default:
            case DIRECT_NIO:
                {
                    eventLoops = new NioEventLoops(eventPolicy, this.eventLoopSize);
                    break;
                }
            case NETTY_NIO:
                {
                    EventLoopGroup group = new NioEventLoopGroup(this.eventLoopSize);
                    eventLoops = new NettyEventLoops(eventPolicy, group);
                    break;
                }
            case NETTY_EPOLL:
                {
                    EventLoopGroup group = new EpollEventLoopGroup(this.eventLoopSize);
                    eventLoops = new NettyEventLoops(eventPolicy, group);
                    break;
                }
        }
        try {
            clientPolicy.eventLoops = eventLoops;
            if (clientPolicy.maxConnsPerNode < this.asyncMaxCommands) {
                clientPolicy.maxConnsPerNode = this.asyncMaxCommands;
            }
            AerospikeClient client = new AerospikeClient(clientPolicy, hosts);
            try {
                if (initialize) {
                    doAsyncInserts(client);
                } else {
                    doAsyncRWTest(client);
                }
            } finally {
                client.close();
            }
        } finally {
            eventLoops.close();
        }
    } else {
        AerospikeClient client = new AerospikeClient(clientPolicy, hosts);
        try {
            if (initialize) {
                doInserts(client);
            } else {
                doRWTest(client);
            }
        } finally {
            client.close();
        }
    }
}

Example 73 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project CorfuDB by CorfuDB.

the class CorfuServer method main.

public static void main(String[] args) {
    serverRunning = true;
    // Parse the options given, using docopt.
    Map<String, Object> opts = new Docopt(USAGE).withVersion(GitRepositoryState.getRepositoryState().describe).parse(args);
    int port = Integer.parseInt((String) opts.get("<port>"));
    // Print a nice welcome message.
    AnsiConsole.systemInstall();
    printLogo();
    System.out.println(ansi().a("Welcome to ").fg(RED).a("CORFU ").fg(MAGENTA).a("SERVER").reset());
    System.out.println(ansi().a("Version ").a(Version.getVersionString()).a(" (").fg(BLUE).a(GitRepositoryState.getRepositoryState().commitIdAbbrev).reset().a(")"));
    System.out.println(ansi().a("Serving on port ").fg(WHITE).a(port).reset());
    System.out.println(ansi().a("Service directory: ").fg(WHITE).a((Boolean) opts.get("--memory") ? "MEMORY mode" : opts.get("--log-path")).reset());
    // Pick the correct logging level before outputting error messages.
    Logger root = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
    switch((String) opts.get("--log-level")) {
        case "ERROR":
            root.setLevel(Level.ERROR);
            break;
        case "WARN":
            root.setLevel(Level.WARN);
            break;
        case "INFO":
            root.setLevel(Level.INFO);
            break;
        case "DEBUG":
            root.setLevel(Level.DEBUG);
            break;
        case "TRACE":
            root.setLevel(Level.TRACE);
            break;
        default:
            root.setLevel(Level.INFO);
            log.warn("Level {} not recognized, defaulting to level INFO", opts.get("--log-level"));
    }
    log.debug("Started with arguments: " + opts);
    // Create the service directory if it does not exist.
    if (!(Boolean) opts.get("--memory")) {
        File serviceDir = new File((String) opts.get("--log-path"));
        if (!serviceDir.exists()) {
            if (serviceDir.mkdirs()) {
                log.info("Created new service directory at {}.", serviceDir);
            }
        } else if (!serviceDir.isDirectory()) {
            log.error("Service directory {} does not point to a directory. Aborting.", serviceDir);
            throw new RuntimeException("Service directory must be a directory!");
        }
    }
    // Now, we start the Netty router, and have it route to the correct port.
    router = new NettyServerRouter(opts);
    // Create a common Server Context for all servers to access.
    serverContext = new ServerContext(opts, router);
    // Add each role to the router.
    addSequencer();
    addLayoutServer();
    addLogUnit();
    addManagementServer();
    router.baseServer.setOptionsMap(opts);
    // Setup SSL if needed
    Boolean tlsEnabled = (Boolean) opts.get("--enable-tls");
    Boolean tlsMutualAuthEnabled = (Boolean) opts.get("--enable-tls-mutual-auth");
    if (tlsEnabled) {
        // Get the TLS cipher suites to enable
        String ciphs = (String) opts.get("--tls-ciphers");
        if (ciphs != null) {
            List<String> ciphers = Pattern.compile(",").splitAsStream(ciphs).map(String::trim).collect(Collectors.toList());
            enabledTlsCipherSuites = ciphers.toArray(new String[ciphers.size()]);
        }
        // Get the TLS protocols to enable
        String protos = (String) opts.get("--tls-protocols");
        if (protos != null) {
            List<String> protocols = Pattern.compile(",").splitAsStream(protos).map(String::trim).collect(Collectors.toList());
            enabledTlsProtocols = protocols.toArray(new String[protocols.size()]);
        }
        try {
            sslContext = TlsUtils.enableTls(TlsUtils.SslContextType.SERVER_CONTEXT, (String) opts.get("--keystore"), e -> {
                log.error("Could not load keys from the key store.");
                System.exit(1);
            }, (String) opts.get("--keystore-password-file"), e -> {
                log.error("Could not read the key store password file.");
                System.exit(1);
            }, (String) opts.get("--truststore"), e -> {
                log.error("Could not load keys from the trust store.");
                System.exit(1);
            }, (String) opts.get("--truststore-password-file"), e -> {
                log.error("Could not read the trust store password file.");
                System.exit(1);
            });
        } catch (Exception ex) {
            log.error("Could not build the SSL context");
            System.exit(1);
        }
    }
    Boolean saslPlainTextAuth = (Boolean) opts.get("--enable-sasl-plain-text-auth");
    // Create the event loops responsible for servicing inbound messages.
    EventLoopGroup bossGroup;
    EventLoopGroup workerGroup;
    EventExecutorGroup ee;
    bossGroup = new NioEventLoopGroup(1, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("accept-" + threadNum.getAndIncrement());
            return t;
        }
    });
    workerGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("io-" + threadNum.getAndIncrement());
            return t;
        }
    });
    ee = new DefaultEventExecutorGroup(Runtime.getRuntime().availableProcessors() * 2, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("event-" + threadNum.getAndIncrement());
            return t;
        }
    });
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100).childOption(ChannelOption.SO_KEEPALIVE, true).childOption(ChannelOption.SO_REUSEADDR, true).childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(io.netty.channel.socket.SocketChannel ch) throws Exception {
                if (tlsEnabled) {
                    SSLEngine engine = sslContext.newEngine(ch.alloc());
                    engine.setEnabledCipherSuites(enabledTlsCipherSuites);
                    engine.setEnabledProtocols(enabledTlsProtocols);
                    if (tlsMutualAuthEnabled) {
                        engine.setNeedClientAuth(true);
                    }
                    ch.pipeline().addLast("ssl", new SslHandler(engine));
                }
                ch.pipeline().addLast(new LengthFieldPrepender(4));
                ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
                if (saslPlainTextAuth) {
                    ch.pipeline().addLast("sasl/plain-text", new PlainTextSaslNettyServer());
                }
                ch.pipeline().addLast(ee, new NettyCorfuMessageDecoder());
                ch.pipeline().addLast(ee, new NettyCorfuMessageEncoder());
                ch.pipeline().addLast(ee, router);
            }
        });
        ChannelFuture f = b.bind(port).sync();
        while (true) {
            try {
                f.channel().closeFuture().sync();
            } catch (InterruptedException ie) {
            }
        }
    } catch (InterruptedException ie) {
    } catch (Exception ex) {
        log.error("Corfu server shut down unexpectedly due to exception", ex);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

Example 74 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project aerospike-client-java by aerospike.

the class AsyncExample method runExamples.

/**
 * Connect and run one or more asynchronous client examples.
 */
public static void runExamples(Console console, Parameters params, List<String> examples) throws Exception {
    EventPolicy eventPolicy = new EventPolicy();
    eventPolicy.maxCommandsInProcess = params.maxCommandsInProcess;
    eventPolicy.maxCommandsInQueue = params.maxCommandsInQueue;
    EventLoops eventLoops;
    switch(params.eventLoopType) {
        default:
        case DIRECT_NIO:
            {
                eventLoops = new NioEventLoops(eventPolicy, 1);
                break;
            }
        case NETTY_NIO:
            {
                EventLoopGroup group = new NioEventLoopGroup(1);
                eventLoops = new NettyEventLoops(eventPolicy, group);
                break;
            }
        case NETTY_EPOLL:
            {
                EventLoopGroup group = new EpollEventLoopGroup(1);
                eventLoops = new NettyEventLoops(eventPolicy, group);
                break;
            }
    }
    try {
        ClientPolicy policy = new ClientPolicy();
        policy.eventLoops = eventLoops;
        policy.user = params.user;
        policy.password = params.password;
        policy.tlsPolicy = params.tlsPolicy;
        params.policy = policy.readPolicyDefault;
        params.writePolicy = policy.writePolicyDefault;
        Host[] hosts = Host.parseHosts(params.host, params.port);
        AerospikeClient client = new AerospikeClient(policy, hosts);
        try {
            EventLoop eventLoop = eventLoops.get(0);
            params.setServerSpecific(client);
            for (String exampleName : examples) {
                runExample(exampleName, client, eventLoop, params, console);
            }
        } finally {
            client.close();
        }
    } finally {
        eventLoops.close();
    }
}

Example 75 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project tech by ffyyhh995511.

the class HelloClient02 method main.

/**
 * @param args
 * @throws InterruptedException
 * @throws IOException
 */
public static void main(String[] args) throws InterruptedException, IOException {
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new HelloClientInitializer());
        // Start the client.
        ChannelFuture f = b.connect(host, port).sync();
        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // The connection is closed automatically on shutdown.
        group.shutdownGracefully();
    }
}