Example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

List of usage examples for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

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Introduction

In this page you can find the example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup.

Prototype

public NioEventLoopGroup()

Source Link

Document

Create a new instance using the default number of threads, the default ThreadFactory and the SelectorProvider which is returned by SelectorProvider#provider() .

Usage

From source file:com.github.mrstampy.gameboot.otp.netty.OtpNettyTestConfiguration.java

License:Open Source License

/**
 * Server clear bootstrap.//from  www. ja  va 2s . c om
 *
 * @return the server bootstrap
 * @throws Exception
 *           the exception
 */
@Bean(name = SERVER_CLEAR_BOOTSTRAP)
public ServerBootstrap serverClearBootstrap() throws Exception {
    //@formatter:off
    return new ServerBootstrap().channel(NioServerSocketChannel.class)
            .group(new NioEventLoopGroup(), new NioEventLoopGroup()).childHandler(clearServerInitializer());
    //@formatter:on
}

From source file:com.github.mrstampy.kitchensync.netty.Bootstrapper.java

License:Open Source License

/**
 * Gets the event loop group based upon the class name. If the class is
 * neither an <a href=//from   w  ww  .j  ava 2 s  .c  o m
 * "http://netty.io/4.0/api/io/netty/channel/socket/nio/NioDatagramChannel.html"
 * >NioDatagramChannel</a> nor <a href=
 * "http://netty.io/4.0/api/io/netty/channel/socket/oio/OioDatagramChannel.html"
 * >OioDatagramChannel</a> (or on Linux, <a href=
 * "http://netty.io/4.0/api/io/netty/channel/epoll/EpollDatagramChannel.html"
 * >EpollDatagramChannel</a>) then an exception is thrown.
 *
 * @param <CHANNEL>
 *          the generic type
 * @param clazz
 *          the clazz
 * @return the event loop group
 */
protected <CHANNEL extends DatagramChannel> EventLoopGroup getEventLoopGroup(Class<? extends CHANNEL> clazz) {
    if (NioDatagramChannel.class.equals(clazz))
        return new NioEventLoopGroup();

    if (OioDatagramChannel.class.equals(clazz))
        return new OioEventLoopGroup();

    // Linux only
    if (EpollDatagramChannel.class.equals(clazz))
        return new EpollEventLoopGroup();

    throw new UnsupportedOperationException("No default event loop group defined for " + clazz.getName());
}

From source file:com.github.nettybook.ch4.EchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();

    try {// www. j a  v a2s  .c  om
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(new EchoClientHandler1());
                p.addLast(new LoggingHandler());
            }
        });

        ChannelFuture f = b.connect("localhost", 8888).sync();

        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.github.spapageo.jannel.client.ClientSessionTest.java

License:Open Source License

@Before
public void setUp() throws Exception {
    MockitoAnnotations.initMocks(this);

    clientSessionConfiguration = new ClientSessionConfiguration();
    clientSessionConfiguration.setWindowSize(2);
    scheduledExecutorService = new ScheduledThreadPoolExecutor(2);

    clientSession = new ClientSession(clientSessionConfiguration, channel, timer, sessionHandler);
    eventExecutors = new NioEventLoopGroup();
}

From source file:com.github.thinker0.mesos.MesosHealthCheckerServer.java

License:Apache License

/**
 * Starts the web server./*from   w w w.j  a v  a2s . c  o m*/
 *
 * @throws Exception
 */
public EventLoopGroup start() throws Exception {
    if (Epoll.isAvailable()) {
        eventLoopGroup = new EpollEventLoopGroup();
        start(new EpollEventLoopGroup(), EpollServerSocketChannel.class);
    } else {
        eventLoopGroup = new NioEventLoopGroup();
        start(new NioEventLoopGroup(), NioServerSocketChannel.class);
    }
    return eventLoopGroup;
}

From source file:com.github.vitrifiedcode.javautilities.netty.DiscardServer.java

License:Open Source License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup(); // (1)
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from ww w  .  j  ava 2  s .com
        ServerBootstrap b = new ServerBootstrap(); // (2)
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) // (3)
                .childHandler(new ChannelInitializer<SocketChannel>() { // (4)
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new DiscardServerHandler());
                    }
                }).option(ChannelOption.SO_BACKLOG, 128) // (5)
                .childOption(ChannelOption.SO_KEEPALIVE, true); // (6)

        // Bind and start to accept incoming connections.
        ChannelFuture f = b.bind(port).sync(); // (7)

        // Wait until the server socket is closed.
        // In this example, this does not happen, but you can do that to gracefully
        // shut down your server.
        f.channel().closeFuture().sync();
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

From source file:com.github.wangshuwei5.server.NettyServer.java

License:Apache License

public void bind() throws Exception {
    // ??NIO/*from www  .j  a v  a2 s.c om*/
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new NettyServerInitializer(SSLMODE.CSA.toString()));

        // ???
        ChannelFuture f = b.bind(NettyConstant.REMOTEIP, NettyConstant.PORT).sync();

        // ???
        f.channel().closeFuture().sync();

        System.out.println("Netty server start ok : " + (NettyConstant.REMOTEIP + " : " + NettyConstant.PORT));
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.glabs.homegenie.client.eventsource.EventSourceTask.java

License:Open Source License

protected Void doInBackground(String... urls) {
    try {//from ww  w  .  j av  a2s  . c  om
        eventSource = new EventSource(urls[0], Control.getAuthUser(), Control.getAuthPassword(),
                new NioEventLoopGroup(), this);
    } catch (Exception e) {
        this.exception = e;
    }
    return null;
}

From source file:com.google.cloud.pubsub.proxy.moquette.NettyAcceptor.java

License:Open Source License

/**
 * Initialize the the various transport protocols for this server,
 * and setup their handlers/callbacks.// w  ww  .j a  v  a2s.  co m
 */
@Override
public void initialize(IMessaging messaging, Properties props) throws IOException {
    bossGroup = new NioEventLoopGroup();
    workerGroup = new NioEventLoopGroup();

    initializePlainTcpTransport(messaging, props);
    initializeWebSocketTransport(messaging, props);
    String sslTcpPortProp = props.getProperty(Constants.SSL_PORT_PROPERTY_NAME);
    String wssPortProp = props.getProperty(Constants.WSS_PORT_PROPERTY_NAME);
    if (sslTcpPortProp != null || wssPortProp != null) {
        SslHandler sslHandler = initSslHandler(props);
        if (sslHandler == null) {
            LOG.error("Can't initialize SSLHandler layer! Exiting, check your configuration of jks");
            return;
        }
        initializeSslTcpTransport(messaging, props, sslHandler);
        initializeWssTransport(messaging, props, sslHandler);
    }
    // initialize ProxyContext and Pubsub impl
    context.open();
    pubsub.initialize(context);
}

From source file:com.googlecode.protobuf.pro.duplex.example.DuplexPingPongClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    if (args.length != 8) {
        System.err.println(/* w  ww  .  j  av a  2s. co m*/
                "usage: <serverHostname> <serverPort> <clientHostname> <clientPort> <ssl=Y/N> <nodelay=Y/N> <compress=Y/N> <payloadSizeBytes>");
        System.exit(-1);
    }
    String serverHostname = args[0];
    int serverPort = Integer.parseInt(args[1]);
    String clientHostname = args[2];
    int clientPort = Integer.parseInt(args[3]);
    boolean secure = "Y".equals(args[4]);
    boolean nodelay = "Y".equals(args[5]);
    boolean compress = "Y".equals(args[6]);
    int payloadSize = Integer.parseInt(args[7]);

    log.info("DuplexPingPongClient port=" + clientPort + " ssl=" + (secure ? "Y" : "N") + " nodelay="
            + (nodelay ? "Y" : "N") + " compress=" + (compress ? "Y" : "N") + " payloadSizeBytes="
            + payloadSize);

    PeerInfo client = new PeerInfo(clientHostname, clientPort);
    PeerInfo server = new PeerInfo(serverHostname, serverPort);

    RpcServerCallExecutor executor = new ThreadPoolCallExecutor(3, 100);

    DuplexTcpClientPipelineFactory clientFactory = new DuplexTcpClientPipelineFactory();
    clientFactory.setClientInfo(client); // forces a local port nr.

    clientFactory.setConnectResponseTimeoutMillis(10000);
    clientFactory.setRpcServerCallExecutor(executor);
    clientFactory.setCompression(compress);
    if (secure) {
        RpcSSLContext sslCtx = new RpcSSLContext();
        sslCtx.setKeystorePassword("changeme");
        sslCtx.setKeystorePath("./lib/client.keystore");
        sslCtx.setTruststorePassword("changeme");
        sslCtx.setTruststorePath("./lib/truststore");
        sslCtx.init();

        clientFactory.setSslContext(sslCtx);
    }

    NullLogger logger = new NullLogger();
    clientFactory.setRpcLogger(logger);

    RpcTimeoutExecutor timeoutExecutor = new TimeoutExecutor(1, 5);
    RpcTimeoutChecker checker = new TimeoutChecker();
    checker.setTimeoutExecutor(timeoutExecutor);
    checker.startChecking(clientFactory.getRpcClientRegistry());

    CleanShutdownHandler shutdownHandler = new CleanShutdownHandler();
    shutdownHandler.addResource(executor);
    shutdownHandler.addResource(checker);
    shutdownHandler.addResource(timeoutExecutor);

    // setup a RPC event listener - it just logs what happens
    RpcConnectionEventNotifier rpcEventNotifier = new RpcConnectionEventNotifier();
    RpcConnectionEventListener listener = new RpcConnectionEventListener() {

        @Override
        public void connectionReestablished(RpcClientChannel clientChannel) {
            log.info("connectionReestablished " + clientChannel);
        }

        @Override
        public void connectionOpened(RpcClientChannel clientChannel) {
            log.info("connectionOpened " + clientChannel);
        }

        @Override
        public void connectionLost(RpcClientChannel clientChannel) {
            log.info("connectionLost " + clientChannel);
        }

        @Override
        public void connectionChanged(RpcClientChannel clientChannel) {
            log.info("connectionChanged " + clientChannel);
        }
    };
    rpcEventNotifier.setEventListener(listener);
    clientFactory.registerConnectionEventListener(rpcEventNotifier);

    // Configure the client to provide a Pong Service in both blocking an non blocking varieties
    BlockingService bPongService = BlockingPongService
            .newReflectiveBlockingService(new PingPongServiceFactory.BlockingPongServer());
    clientFactory.getRpcServiceRegistry().registerService(bPongService);

    Service nbPongService = NonBlockingPongService
            .newReflectiveService(new PingPongServiceFactory.NonBlockingPongServer());
    clientFactory.getRpcServiceRegistry().registerService(nbPongService);

    // we give the client a blocking and non blocking (pong capable) Ping Service
    BlockingService bPingService = BlockingPingService
            .newReflectiveBlockingService(new PingPongServiceFactory.BlockingPongingPingServer());
    clientFactory.getRpcServiceRegistry().registerService(bPingService);

    Service nbPingService = NonBlockingPingService
            .newReflectiveService(new PingPongServiceFactory.NonBlockingPongingPingServer());
    clientFactory.getRpcServiceRegistry().registerService(nbPingService);

    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(new NioEventLoopGroup());
    bootstrap.handler(clientFactory);
    bootstrap.channel(NioSocketChannel.class);
    bootstrap.option(ChannelOption.TCP_NODELAY, nodelay);
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000);
    bootstrap.option(ChannelOption.SO_SNDBUF, 1048576);
    bootstrap.option(ChannelOption.SO_RCVBUF, 1048576);

    shutdownHandler.addResource(bootstrap.group());

    try {
        clientFactory.peerWith(server, bootstrap);

        while (true) {

            new ShortTests().execute(clientFactory.getRpcClientRegistry());

            new AllClientTests().execute(clientFactory.getRpcClientRegistry());

            new ClientPerformanceTests().execute(clientFactory.getRpcClientRegistry());

            Thread.sleep(60000);
        }
    } catch (Throwable e) {
        log.error("Throwable.", e);
    } finally {
        System.exit(0);
    }
}