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();

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Document

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

Usage

From source file:com.doctor.netty5.example.factorial_algorithm.FactorialClient.java

License:Apache License

public void start() throws InterruptedException {
    NioEventLoopGroup workersGroup = new NioEventLoopGroup(1);

    try {/*  ww w .  j a  v  a 2s.  c  o  m*/
        Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(workersGroup).channel(NioSocketChannel.class).remoteAddress(host, port)
                .handler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new NumberEncoder());
                        ch.pipeline().addLast(new BigIntegerDecoder());
                        ch.pipeline().addLast(new FactorialClientHandler());
                    }
                });

        ChannelFuture channelFuture = bootstrap.connect().sync();
        channelFuture.channel().closeFuture().sync();

    } finally {
        workersGroup.shutdownGracefully();
    }
}

From source file:com.doctor.netty5.example.factorial_algorithm.FactorialServer.java

License:Apache License

public void start() throws InterruptedException {
    ServerBootstrap bootstrap = new ServerBootstrap();
    NioEventLoopGroup bossGroup = new NioEventLoopGroup(1);
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*  www .j av  a2 s  .c  o  m*/
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(port)
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new NumberEncoder());
                        ch.pipeline().addLast(new BigIntegerDecoder());
                        ch.pipeline().addLast(new FactorialServerHandler());
                    }
                });

        ChannelFuture channelFuture = bootstrap.bind().sync();
        System.out.println(FactorialServer.class.getName() + " started and listen on port:"
                + channelFuture.channel().localAddress());

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

From source file:com.doctor.netty5.example.http.helloworld.HelloWorldServer.java

License:Apache License

public void start() throws InterruptedException {
    ServerBootstrap bootstrap = new ServerBootstrap();
    NioEventLoopGroup bossGroup = new NioEventLoopGroup(1);
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {//from   w  w  w .j a  va  2  s .c  o m
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(port)
                .option(ChannelOption.SO_BACKLOG, 1024).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new HttpServerCodec());
                        ch.pipeline().addLast(new HelloWorldServerHandler());
                    }
                });

        ChannelFuture channelFuture = bootstrap.bind().sync();
        System.out.println(HelloWorldServer.class.getName() + " started and listen on port:"
                + channelFuture.channel().localAddress());

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

From source file:com.dwarf.netty.guide.factorial.FactorialClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from w  ww  . j  a v a 2  s  .c  o  m
        sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
    } else {
        sslCtx = null;
    }

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new FactorialClientInitializer(sslCtx));

        // Make a new connection.
        ChannelFuture f = b.connect(HOST, PORT).sync();

        // Get the handler instance to retrieve the answer.
        FactorialClientHandler handler = (FactorialClientHandler) f.channel().pipeline().last();

        // Print out the answer.
        System.err.format("Factorial of %,d is: %,d", COUNT, handler.getFactorial());
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.ebay.jetstream.http.netty.client.HttpClient.java

License:MIT License

private HttpSessionChannelContext activateHttpSession(URI uri) throws UnknownHostException {

    ChannelFuture cf = null;
    try {/* www  . ja  v  a2  s.c om*/
        cf = m_bootstrap.connect(new InetSocketAddress(InetAddress.getByName(uri.getHost()), uri.getPort()));

        if (!m_urlDropCounters.containsKey(uri.getHost()))
            m_urlDropCounters.put(uri.getHost(), new LongCounter());

    } catch (UnknownHostException e) {
        LOGGER.error("failed to connect to host" + e.getLocalizedMessage());
        throw e;
    }

    cf.awaitUninterruptibly((getConfig().getConnectionTimeoutInSecs() + 1) * 1000);

    if (!cf.channel().isActive()) {
        return null;
    }

    HttpSessionChannelContext sessionContext = new HttpSessionChannelContext();
    sessionContext.setChannel(cf.channel());
    sessionContext.channelConnected();
    sessionContext.setUri(uri.toString());
    sessionContext.getVirtualQueueMonitor().setMaxQueueBackLog(getConfig().getMaxNettyBacklog());
    sessionContext.setSessionDurationInSecs(getConfig().getMaxSessionDurationInSecs());
    return sessionContext;

}

From source file:com.ebay.jetstream.messaging.transport.netty.eventproducer.EventProducer.java

License:MIT License

/**
 * @param ecinfo//from w w w .  j  a va  2 s . com
 * @throws Exception
 */
Channel activateEventConsumerSession(EventConsumerInfo ecinfo, boolean asyncConnect, int numConnections)
        throws Exception {

    if (asyncConnect) {

        createAsyncMultipleConnections(ecinfo, numConnections);

    } else {

        // now we create the configd number of connections

        // Start the client.
        ChannelFuture cf = m_bootstrap.connect(InetAddress.getByName(ecinfo.getAdvertisement().getHostName()),
                ecinfo.getAdvertisement().getListenTcpPort()); // (5)

        cf.awaitUninterruptibly((m_transportConfig.getConnectionTimeoutInSecs() + 1) * 1000);

        if (cf.isSuccess()) {
            ConsumerChannelContext ccc = new ConsumerChannelContext();
            ccc.setChannel(cf.channel());

            ecinfo.setChannelContext(cf.channel(), ccc);
            activateEventConsumer(ecinfo);
        }
    }

    return null;
}

From source file:com.ebay.jetstream.messaging.transport.netty.eventproducer.EventProducer.java

License:MIT License

/**
 * @param numConnections//from   w  ww  . j  a va 2s. c  om
 */
private void createAsyncMultipleConnections(EventConsumerInfo ecinfo, int numConnections) {

    for (int i = 0; i < numConnections; i++) {

        ChannelFuture cf = null;
        try {

            cf = m_bootstrap.connect(
                    new InetSocketAddress(InetAddress.getByName(ecinfo.getAdvertisement().getHostName()),
                            ecinfo.getAdvertisement().getListenTcpPort()));
        } catch (UnknownHostException e) {
            LOGGER.error("failed to connect to Host - " + ecinfo.getAdvertisement().getHostName() + " - "
                    + e.getLocalizedMessage());
        }

        final EventConsumerActivationRequest ar = new EventConsumerActivationRequest(this, ecinfo,
                m_transportConfig.getMaxNettyBackLog(), cf.channel()); // not sure if it makes sense to make this final

        if (cf != null)
            cf.addListener(ar);

    }
}

From source file:com.eightkdata.mongowp.mongoserver.MongoServer.java

License:Open Source License

public void run() {
    // TODO: provide custom ThreadFactories to the EventLoopGroup to name threads correctly?
    connectionGroup = new NioEventLoopGroup();
    workerGroup = new NioEventLoopGroup();
    try {// w  ww.  j a v a  2s. com
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(connectionGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel socketChannel) throws Exception {
                        buildChildHandlerPipeline(socketChannel.pipeline());
                    }
                })
        // TODO: set TCP channel options?
        ;

        ChannelFuture channelFuture = bootstrap.bind(port).awaitUninterruptibly();

        try {
            channelFuture.channel().closeFuture().sync();
        } catch (InterruptedException interruptedException) {
            LOGGER.error("Error", interruptedException);
            // TODO: perform proper shutdown
        } catch (Throwable throwable) {
            LOGGER.error("Error", throwable);
            // TODO: perform proper shutdown
        }
    } finally {
        workerGroup.shutdownGracefully();
        connectionGroup.shutdownGracefully();
    }
}

From source file:com.emin.igwmp.skm.core.netty.SocksServer.java

License:Apache License

/**
 * ?socket?//from ww w .j  a v a 2 s  .c om
 * */
public void startServer() {
    mServerBootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .handler(new LoggingHandler(LogLevel.INFO)).childHandler(mSocksServerInitializer);

    try {
        //            mServerBootstrap.bind(PORT).sync().channel().closeFuture().sync();
        mChannelFuture = mServerBootstrap.bind(PORT).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (!future.isSuccess()) {
                    final EventLoop loop = future.channel().eventLoop();
                    loop.schedule(new Runnable() {
                        @Override
                        public void run() {
                            startServer();
                        }

                    }, 1L, TimeUnit.SECONDS);

                }
            }
        }).sync();
        mChannelFuture.channel().closeFuture().sync();
    } catch (Exception e) {
        e.printStackTrace();
        stopServer();
    }

}

From source file:com.example.client.ClientMain.java

License:Apache License

public void run() throws InterruptedException {
    final NioEventLoopGroup workerLoop = new NioEventLoopGroup();
    try (final GracefulShutdown ignored = GracefulShutdown.gracefulShutdown(workerLoop::shutdownGracefully)) {
        final Bootstrap bootstrap = new Bootstrap(); // ServerBootstrap ??????????
        final ChannelFuture future = bootstrap.group(workerLoop) // ??? ????? boss /worker ??????
                .channel(NioSocketChannel.class) // NioServerSocketChannel ???????
                .option(ChannelOption.SO_KEEPALIVE, true) // ???? parent ??????? childOption ????
                .handler(ClientChannelInitializerConfigurer.channelInitializer()).connect(host, port) // bind ????? connect
                .sync();/*from www .jav  a 2  s.  co  m*/
        future.channel().closeFuture().sync();
    }
}