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(ThreadFactory threadFactory)

Source Link

Document

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

Usage

From source file:afred.javademo.proxy.rpc.ObjectEchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from   w ww.j  a  va 2s.  co m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        p.addLast(new ObjectEncoder(), new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                                new ObjectEchoServerHandler());
                    }
                });

        // Bind and start to accept incoming connections.
        b.bind(8080).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:alluxio.network.protocol.RPCMessageIntegrationTest.java

License:Apache License

@BeforeClass
public static void beforeClass() {
    sEventClient = new NioEventLoopGroup(1);
    sEventServer = new NioEventLoopGroup(1);
    sIncomingHandler = new MessageSavingHandler();

    // Setup the server.
    ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.group(sEventServer);//  w  ww .j  a  v  a 2  s .co m
    bootstrap.channel(NioServerSocketChannel.class);
    bootstrap.childHandler(new PipelineInitializer(sIncomingHandler));

    InetSocketAddress address = new InetSocketAddress(NetworkAddressUtils.getLocalHostName(100),
            Constants.DEFAULT_MASTER_PORT);
    ChannelFuture cf = bootstrap.bind(address).syncUninterruptibly();
    sLocalAddress = cf.channel().localAddress();

    // Setup the client.
    sBootstrapClient = new Bootstrap();
    sBootstrapClient.group(sEventClient);
    sBootstrapClient.channel(NioSocketChannel.class);
    sBootstrapClient.handler(new PipelineInitializer(new MessageSavingHandler()));
}

From source file:app.WebSocketServer.java

License:Apache License

public static void main(String[] args) throws Exception {

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from ww  w  . j  a v  a2 s .  co m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new WebSocketServerInitializer());

        Channel ch = b.bind(PORT).sync().channel();

        System.out.println("Listening on ws://0.0.0.0:" + PORT + "/ws");

        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:appium.android.server.http.HttpServer.java

License:Apache License

public void start() {
    if (serverThread != null) {
        throw new IllegalStateException("Server is already running");
    }// w ww.j av  a  2s.  c  o  m
    serverThread = new Thread() {
        @Override
        public void run() {
            EventLoopGroup bossGroup = new NioEventLoopGroup(1);
            EventLoopGroup workerGroup = new NioEventLoopGroup();
            try {
                ServerBootstrap bootstrap = new ServerBootstrap();
                bootstrap.option(ChannelOption.SO_BACKLOG, 1024);
                bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                        .childHandler(new ServerInitializer(handlers));

                Channel ch = bootstrap.bind(port).sync().channel();
                ch.closeFuture().sync();
            } catch (InterruptedException ignored) {
            } finally {
                bossGroup.shutdownGracefully();
                workerGroup.shutdownGracefully();
                TrafficCounter.shutdown();
            }
        }
    };
    serverThread.start();
}

From source file:baseFrame.netty.atest.HttpHelloWorldServer.java

License:Apache License

public static void main(String[] args) throws Exception {

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from   ww  w  .  j av a 2  s. co  m
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new HttpHelloWorldServerInitializer());

        Channel ch = b.bind(PORT).sync().channel();

        System.err.println("Open your web browser and navigate to " + ("http") + "://127.0.0.1:" + PORT + '/');

        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:bftsmart.communication.client.netty.NettyClientServerCommunicationSystemClientSide.java

License:Apache License

public NettyClientServerCommunicationSystemClientSide(int clientId, ClientViewController controller) {
    super();// w  w  w .ja  va2  s  . c o m

    this.clientId = clientId;
    this.workerGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors());
    try {

        this.secretKeyFactory = TOMUtil.getSecretFactory();

        this.controller = controller;

        /* Tulio Ribeiro */
        privKey = controller.getStaticConf().getPrivateKey();

        this.listener = new SyncListener();
        this.rl = new ReentrantReadWriteLock();

        int[] currV = controller.getCurrentViewProcesses();

        for (int i = 0; i < currV.length; i++) {
            int replicaId = currV[i];
            try {

                ChannelFuture future = connectToReplica(replicaId, secretKeyFactory);

                logger.debug("ClientID {}, connecting to replica {}, at address: {}", clientId, replicaId,
                        controller.getRemoteAddress(replicaId));

                future.awaitUninterruptibly();

                if (!future.isSuccess()) {
                    logger.error("Impossible to connect to " + replicaId);
                }

            } catch (java.lang.NullPointerException ex) {
                // What is this??? This is not possible!!!
                logger.debug("Should fix the problem, and I think it has no other implications :-), "
                        + "but we must make the servers store the view in a different place.");
            } catch (Exception ex) {
                logger.error("Failed to initialize MAC engine", ex);
            }
        }
    } catch (NoSuchAlgorithmException ex) {
        logger.error("Failed to initialize secret key factory", ex);
    }
}

From source file:bftsmart.communication.client.netty.NettyClientServerCommunicationSystemServerSide.java

License:Apache License

public NettyClientServerCommunicationSystemServerSide(ServerViewController controller) {
    try {/*from  w w w  . ja v  a  2  s.c o  m*/

        this.controller = controller;
        /* Tulio Ribeiro */
        privKey = controller.getStaticConf().getPrivateKey();

        sessionReplicaToClient = new ConcurrentHashMap<>();
        rl = new ReentrantReadWriteLock();

        // Configure the server.

        serverPipelineFactory = new NettyServerPipelineFactory(this, sessionReplicaToClient, controller, rl);

        EventLoopGroup bossGroup = new NioEventLoopGroup(bossThreads);
        EventLoopGroup workerGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors());

        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_REUSEADDR, true).option(ChannelOption.SO_KEEPALIVE, true)
                .option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_SNDBUF, tcpSendBufferSize)
                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectionTimeoutMsec)
                .option(ChannelOption.SO_BACKLOG, connectionBacklog)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(serverPipelineFactory.getDecoder());
                        ch.pipeline().addLast(serverPipelineFactory.getEncoder());
                        ch.pipeline().addLast(serverPipelineFactory.getHandler());
                    }
                }).childOption(ChannelOption.SO_KEEPALIVE, true).childOption(ChannelOption.TCP_NODELAY, true);
        String myAddress;
        String confAddress = controller.getStaticConf()
                .getRemoteAddress(controller.getStaticConf().getProcessId()).getAddress().getHostAddress();

        if (InetAddress.getLoopbackAddress().getHostAddress().equals(confAddress)) {

            myAddress = InetAddress.getLoopbackAddress().getHostAddress();

        }

        else if (controller.getStaticConf().getBindAddress().equals("")) {

            myAddress = InetAddress.getLocalHost().getHostAddress();

            // If Netty binds to the loopback address, clients will not be able to connect
            // to replicas.
            // To solve that issue, we bind to the address supplied in config/hosts.config
            // instead.
            if (InetAddress.getLoopbackAddress().getHostAddress().equals(myAddress)
                    && !myAddress.equals(confAddress)) {

                myAddress = confAddress;
            }

        } else {

            myAddress = controller.getStaticConf().getBindAddress();
        }

        int myPort = controller.getStaticConf().getPort(controller.getStaticConf().getProcessId());

        ChannelFuture f = b.bind(new InetSocketAddress(myAddress, myPort)).sync();

        logger.info("ID = " + controller.getStaticConf().getProcessId());
        logger.info("N = " + controller.getCurrentViewN());
        logger.info("F = " + controller.getCurrentViewF());
        logger.info("Port (client <-> server) = "
                + controller.getStaticConf().getPort(controller.getStaticConf().getProcessId()));
        logger.info("Port (server <-> server) = "
                + controller.getStaticConf().getServerToServerPort(controller.getStaticConf().getProcessId()));
        logger.info("requestTimeout = " + controller.getStaticConf().getRequestTimeout());
        logger.info("maxBatch = " + controller.getStaticConf().getMaxBatchSize());
        if (controller.getStaticConf().getUseSignatures() == 1)
            logger.info("Using Signatures");
        else if (controller.getStaticConf().getUseSignatures() == 2)
            logger.info("Using benchmark signature verification");
        logger.info("Binded replica to IP address " + myAddress);
        // ******* EDUARDO END **************//

        /* Tulio Ribeiro */
        // SSL/TLS
        logger.info("SSL/TLS enabled, protocol version: {}",
                controller.getStaticConf().getSSLTLSProtocolVersion());

        /* Tulio Ribeiro END */

        mainChannel = f.channel();

    } catch (InterruptedException | UnknownHostException ex) {
        logger.error("Failed to create Netty communication system", ex);
    }
}

From source file:blazingcache.network.netty.NettyChannelAcceptor.java

License:Apache License

public void start() throws Exception {
    if (ssl) {/*www . j  a v a 2  s  .co m*/
        if (sslCertFile == null) {
            LOGGER.log(Level.SEVERE, "start SSL with self-signed auto-generated certificate");
            if (sslCiphers != null) {
                LOGGER.log(Level.SEVERE, "required sslCiphers " + sslCiphers);
            }
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            try {
                sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).ciphers(sslCiphers)
                        .build();
            } finally {
                ssc.delete();
            }
        } else {
            LOGGER.log(Level.SEVERE, "start SSL with certificate " + sslCertFile.getAbsolutePath()
                    + " chain file " + sslCertChainFile.getAbsolutePath());
            if (sslCiphers != null) {
                LOGGER.log(Level.SEVERE, "required sslCiphers " + sslCiphers);
            }
            sslCtx = SslContextBuilder.forServer(sslCertChainFile, sslCertFile, sslCertPassword)
                    .ciphers(sslCiphers).build();
        }

    }
    if (callbackThreads == 0) {
        callbackExecutor = Executors.newCachedThreadPool();
    } else {
        callbackExecutor = Executors.newFixedThreadPool(callbackThreads, new ThreadFactory() {
            private final AtomicLong count = new AtomicLong();

            @Override
            public Thread newThread(Runnable r) {
                return new Thread(r, "blazingcache-callbacks-" + count.incrementAndGet());
            }
        });
    }
    bossGroup = new NioEventLoopGroup(workerThreads);
    workerGroup = new NioEventLoopGroup(workerThreads);
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    NettyChannel session = new NettyChannel("unnamed", ch, callbackExecutor, null);
                    if (acceptor != null) {
                        acceptor.createConnection(session);
                    }

                    //                        ch.pipeline().addLast(new LoggingHandler());
                    // Add SSL handler first to encrypt and decrypt everything.
                    if (ssl) {
                        ch.pipeline().addLast(sslCtx.newHandler(ch.alloc()));
                    }

                    ch.pipeline().addLast("lengthprepender", new LengthFieldPrepender(4));
                    ch.pipeline().addLast("lengthbaseddecoder",
                            new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
                    //
                    ch.pipeline().addLast("messageencoder", new DataMessageEncoder());
                    ch.pipeline().addLast("messagedecoder", new DataMessageDecoder());
                    ch.pipeline().addLast(new InboundMessageHandler(session));
                }
            }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

    ChannelFuture f = b.bind(host, port).sync(); // (7)
    this.channel = f.channel();

}

From source file:bridgempp.bot.wrapper.BotWrapper.java

/**
 * @param args/* w  ww  .  j ava2s .  c  om*/
 *            the command line arguments
 */
public static void main(String[] args) {
    EventLoopGroup loopGroup = new NioEventLoopGroup(2);
    bootstrap = new Bootstrap();
    bootstrap.group(loopGroup);
    bootstrap.channel(NioSocketChannel.class);
    bootstrap.handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel channel) throws Exception {

        }
    });
    File botsDir = new File("bots/");
    if (!botsDir.exists()) {
        botsDir.mkdir();
        Properties exampleBotProperties = new Properties();
        try {
            writeDefaultConfig(exampleBotProperties);
            exampleBotProperties.store(new FileOutputStream("bots/exampleBot.config"),
                    "Bot Wrapper Configuration");
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println("Created Example Config. Please Edit");
        return;
    }
    for (File botConfig : botsDir.listFiles()) {
        botInitialize(botConfig);
    }

}

From source file:c5db.C5DB.java

License:Apache License

@Override
protected void doStart() {
    try {//from  w  ww. ja  v a 2s .com
        // TODO this should be done as part of the log file service startup, if at all.
        new LogFileService(configDirectory.getBaseConfigPath()).clearAllLogs();
    } catch (IOException e) {
        notifyFailed(e);
    }

    try {
        serverFiber = new ThreadFiber(new RunnableExecutorImpl(), "C5-Server", false);
        int processors = Runtime.getRuntime().availableProcessors();
        executor = Executors.newFixedThreadPool(processors);
        fiberPool = new PoolFiberFactory(executor);
        bossGroup = new NioEventLoopGroup(processors / 3);
        workerGroup = new NioEventLoopGroup(processors / 3);

        commandChannel.subscribe(serverFiber, message -> {
            try {
                processCommandMessage(message);
            } catch (Exception e) {
                LOG.warn("exception during message processing", e);
            }
        });

        commandRequests.subscribe(serverFiber, this::processCommandRequest);

        serviceRegisteredChannel.subscribe(serverFiber, this::onModuleStateChange);

        serverFiber.start();

        notifyStarted();
    } catch (Exception e) {
        notifyFailed(e);
    }
}