Example usage for io.netty.channel ChannelFuture channel

List of usage examples for io.netty.channel ChannelFuture channel

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Introduction

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

Prototype

Channel channel();

Source Link

Document

Returns a channel where the I/O operation associated with this future takes place.

Usage

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

License:Open Source License

private void createEncryptedChannel() throws InterruptedException {
    ChannelFuture cf = encClient.connect(HOST, ENC_SERVER_PORT);
    cf.await(1, TimeUnit.SECONDS);

    assertTrue(cf.isSuccess());/*from  w w w . ja va  2s  .com*/
    encChannel = cf.channel();
}

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

License:Open Source License

/**
 * Returns a channel using the bootstrap for the specified port. Should none
 * exist then the default bootstrap is used.
 *
 * @param <CHANNEL>/*from www . j av a 2  s.c o  m*/
 *          the generic type
 * @param port
 *          the port
 * @return the channel
 */
@SuppressWarnings("unchecked")
public <CHANNEL extends DatagramChannel> CHANNEL bind(int port) {
    boolean contains = containsBootstrap(port);
    if (!contains && !hasDefaultBootstrap()) {
        log.error("Bootstrap for port {} not initialized", port);
        return null;
    }

    Bootstrap b = channelBootstraps.get(contains ? port : DEFAULT_BOOTSTRAP_KEY);

    ChannelFuture cf = b.bind(port);

    CountDownLatch latch = new CountDownLatch(1);
    cf.addListener(getBindListener(port, latch));

    await(latch, "Channel creation timed out");

    return cf.isSuccess() ? (CHANNEL) cf.channel() : null;
}

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

License:Open Source License

/**
 * Bind to the specified multicast address.
 *
 * @param <CHANNEL>/*from  w ww  .j av a2s .c om*/
 *          the generic type
 * @param multicast
 *          the multicast
 * @return the channel
 */
@SuppressWarnings("unchecked")
public <CHANNEL extends DatagramChannel> CHANNEL multicastBind(InetSocketAddress multicast) {
    String key = createMulticastKey(multicast);
    if (!containsMulticastBootstrap(key)) {
        log.error("Multicast bootstrap for {} not initialized", multicast);
        return null;
    }

    Bootstrap b = multicastBootstraps.get(key);

    ChannelFuture cf = b.bind();

    CountDownLatch latch = new CountDownLatch(1);
    cf.addListener(getMulticastBindListener(multicast, latch));

    await(latch, "Multicast channel creation timed out");

    return cf.isSuccess() ? (CHANNEL) cf.channel() : null;
}

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

License:Open Source License

private GenericFutureListener<ChannelFuture> getBindListener(final int port, final CountDownLatch latch) {
    return new GenericFutureListener<ChannelFuture>() {

        @Override/*from w w w.  j a  va2s. c  o m*/
        public void operationComplete(ChannelFuture future) throws Exception {
            try {
                if (future.isSuccess()) {
                    log.debug("Channel creation successful for {}", future.channel());
                } else {
                    Throwable cause = future.cause();
                    if (cause == null) {
                        log.error("Could not create channel for {}", port);
                    } else {
                        log.error("Could not create channel for {}", port, cause);
                    }
                }
            } finally {
                latch.countDown();
            }
        }
    };
}

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 {/*  ww w.  j av a2  s  . com*/
        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.nettybook.ch7.junit.TelnetServerV3.java

License:Apache License

public void start() {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {//  w ww  . java 2s. com
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new TelnetServerInitializerV3());

        ChannelFuture future = b.bind(address).sync();

        future.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.sinsinpub.pero.frontend.NettySocksServer.java

License:Apache License

public void run() throws InterruptedException {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1, ThreadFactoryRepository.BOSS_GORUP);
    EventLoopGroup workerGroup = new NioEventLoopGroup(getMaxWorkerThreads(),
            ThreadFactoryRepository.WORKER_GROUP);
    try {/* w w w  . jav  a2s.co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(getSocksServerInitializer());
        ChannelFuture cf = b.bind(getPort()).sync();
        logger.info(
                String.format("Proxy server %s %s started.", ApplicationVersion.DEFAULT.getApplicationName(),
                        ApplicationVersion.DEFAULT.getApplicationVersion()));
        cf.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

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

License:Open Source License

protected Channel createConnectedChannel(String host, int port, long connectTimeoutMillis) {
    this.clientBootstrap.option(CONNECT_TIMEOUT_OPTION, connectTimeoutMillis);

    ChannelFuture connectFuture = this.clientBootstrap.connect(host, port).syncUninterruptibly();

    LOGGER.info("Successfully connected to bearer-box at: {}", connectFuture.channel().remoteAddress());
    return connectFuture.channel();
}

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 {/*  w ww . j  a  va2s  .c o m*/
        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.client.NettyClient.java

License:Apache License

public void connect(int port, String host) throws Exception {

    // ?NIO/*  w ww  . jav  a  2  s .  c o  m*/

    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new NettyClientInitializer(SSLMODE.CSA.toString()));
        // ??
        ChannelFuture future = b.connect(new InetSocketAddress(host, port),
                new InetSocketAddress(NettyConstant.LOCALIP, NettyConstant.LOCAL_PORT)).sync();
        future.channel().closeFuture().sync();
    } finally {
        // ????????
        executor.execute(new Runnable() {
            @Override
            public void run() {
                try {
                    TimeUnit.SECONDS.sleep(1);
                    try {
                        connect(NettyConstant.PORT, NettyConstant.REMOTEIP);// ???
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        });
    }
}