Example usage for io.netty.channel ChannelInitializer ChannelInitializer

Introduction

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

Prototype

ChannelInitializer

Source Link

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 {/*  w w  w .j a  va2  s.  c om*/
        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 {/*from w ww.j a  va2s .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  www  .  ja  v  a2 s.co 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.ebay.jetstream.http.netty.client.HttpClient.java

License:MIT License

private void createChannelPipeline() {

    if (isPipelineCreated())
        return;/*from w w  w.  ja va2s.c  om*/

    m_workerGroup = new NioEventLoopGroup(getConfig().getNumWorkers(),
            new NameableThreadFactory("Jetstream-HttpClientWorker"));
    m_bootstrap = new Bootstrap();
    m_bootstrap.group(m_workerGroup).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
            .option(ChannelOption.SO_KEEPALIVE, false)
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, getConfig().getConnectionTimeoutInSecs())
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast("timeout",
                            new IdleStateHandler(0, getConfig().getIdleTimeoutInSecs(), 0));
                    ch.pipeline().addLast("decoder", new HttpResponseDecoder());
                    ch.pipeline().addLast("decompressor", new HttpContentDecompressor());
                    ch.pipeline().addLast("encoder", new HttpRequestEncoder());
                    ch.pipeline().addLast("aggregator",
                            new HttpObjectAggregator(m_config.getMaxContentLength()));
                    ch.pipeline().addLast(m_httpRequestHandler);
                }
            });

    if (getConfig().getRvcBufSz() > 0) {
        m_bootstrap.option(ChannelOption.SO_RCVBUF, (int) getConfig().getRvcBufSz());
    }

    if (getConfig().getSendBufSz() > 0) {
        m_bootstrap.option(ChannelOption.SO_SNDBUF, (int) getConfig().getSendBufSz());
    }
    createdPipeline();

}

---

From source file:com.ebay.jetstream.http.netty.server.Acceptor.java

License:MIT License

/**
 * @param rxSessionHandler/*from ww w . j  a va 2  s .co  m*/
 * @throws Exception
 */
public void bind(final HttpRequestHandler httpReqHandler, final HttpServerStatisticsHandler statisticsHandler)
        throws Exception {
    m_bossGroup = new NioEventLoopGroup(1, new NameableThreadFactory("NettyHttpServerAcceptor"));
    m_workerGroup = new NioEventLoopGroup(m_numIoProcessors,
            new NameableThreadFactory("NettyHttpServerWorker"));

    try {
        m_serverbootstrap = new ServerBootstrap();
        m_serverbootstrap.group(m_bossGroup, m_workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("timeout", new IdleStateHandler((int) m_readIdleTimeout, 0, 0));
                        ch.pipeline().addLast("stats", statisticsHandler);
                        ch.pipeline().addLast("decoder", new HttpRequestDecoder());
                        ch.pipeline().addLast("encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("decompressor", new HttpContentDecompressor());
                        ch.pipeline().addLast("deflater", new HttpContentCompressor(1));
                        ch.pipeline().addLast("aggregator", new HttpObjectAggregator(m_maxContentLength));
                        if (m_maxKeepAliveRequests > 0 || m_maxKeepAliveTimeout > 0) {
                            ch.pipeline().addLast("keepAliveHandler",
                                    new KeepAliveHandler(m_maxKeepAliveRequests, m_maxKeepAliveTimeout));
                        }
                        ch.pipeline().addLast("handler", httpReqHandler);

                    }

                }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.TCP_NODELAY, true)
                .childOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
                .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                .childOption(ChannelOption.SO_KEEPALIVE, false);

        if (m_config.getRvcBufSz() > 0) {
            m_serverbootstrap.childOption(ChannelOption.SO_RCVBUF, (int) m_config.getRvcBufSz());
        }

        if (m_config.getSendBufSz() > 0) {
            m_serverbootstrap.childOption(ChannelOption.SO_SNDBUF, (int) m_config.getSendBufSz());
        }

    } catch (Exception t) {
        throw t;
    }

    m_acceptorSocket = new InetSocketAddress(m_ipAddress, m_tcpPort);
    m_serverbootstrap.bind(m_acceptorSocket).sync();

    if (!m_ipAddress.isLoopbackAddress() && !m_ipAddress.isAnyLocalAddress()) {
        // Add lookback if not bind
        m_localAcceptorSocket = new InetSocketAddress("127.0.0.1", m_tcpPort);
        m_serverbootstrap.bind(m_localAcceptorSocket).sync();
    }
}

---

From source file:com.ebay.jetstream.messaging.transport.netty.eventconsumer.Acceptor.java

License:MIT License

/**
 * @param rxSessionHandler/*from w w w  .jav  a  2  s. c  o m*/
 * @throws Exception
 */
public void bind(EventProducerSessionHandler rxSessionHandler) throws Exception {

    m_rxSessionHandler = rxSessionHandler;
    m_bossGroup = new NioEventLoopGroup(1,
            new NameableThreadFactory("NettyAcceptor-" + m_tc.getTransportName()));
    m_workerGroup = new NioEventLoopGroup(m_numIoProcessors,
            new NameableThreadFactory("NettyReceiver-" + m_tc.getTransportName()));

    try {
        m_serverbootstrap = new ServerBootstrap();
        m_serverbootstrap.group(m_bossGroup, m_workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {

                        ch.pipeline().addFirst("msghandler", m_rxSessionHandler);

                        StreamMessageDecoder decoder = new StreamMessageDecoder(
                                ClassResolvers.weakCachingConcurrentResolver(null));
                        ch.pipeline().addBefore("msghandler", "msgdecoder", decoder);
                        ch.pipeline().addBefore("msgdecoder", "kryoEcnoder", new KryoObjectEncoder());
                        ch.pipeline().addBefore("kryoEcnoder", "msgencoder", new NettyObjectEncoder());

                        if (m_enableCompression) {

                            ch.pipeline().addBefore("msgencoder", "decompressor",
                                    new MessageDecompressionHandler(false, 250000));

                            ch.pipeline().addBefore("decompressor", "idleTimeoutHandler",
                                    new IdleStateHandler((int) m_readIdleTimeout, 0, 0));
                        } else
                            ch.pipeline().addBefore("msgencoder", "idleTimeoutHandler",
                                    new IdleStateHandler((int) m_readIdleTimeout, 0, 0));

                    }
                }).option(ChannelOption.SO_BACKLOG, 128)
                .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                .childOption(ChannelOption.TCP_NODELAY, true)
                .childOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
                .childOption(ChannelOption.SO_KEEPALIVE, isTcpKeepAlive());

        if (m_tc.getReceivebuffersize() > 0) {
            m_serverbootstrap.childOption(ChannelOption.SO_RCVBUF, m_tc.getReceivebuffersize());
        }

        if (m_tc.getSendbuffersize() > 0) {
            m_serverbootstrap.childOption(ChannelOption.SO_SNDBUF, m_tc.getSendbuffersize());
        }

    } catch (Exception t) {
        throw t;
    }

    // we are given a port from DNS. We will check if it is taken. If it is
    // we will increment the port # by 10 and keep trying 10 times.
    // adding this feature so that we can operate the cluster on a single
    // node. Very useful for debugging and also for demos.

    int retryCount = 20;
    int port = m_tcpPort;

    while (retryCount-- > 0) {
        if (isPortAvailable(port))
            break;
        port += 1;

    }

    if (retryCount == 0)
        return; // we did not find a port to bind

    m_tcpPort = port;

    LOGGER.info("Acceptor bound to port" + m_tcpPort);

}

---

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

License:MIT License

/**
 * //from w  w w. j  a  va  2s .  c  o  m
 */
private void createChannelPipeline() {

    m_group = new NioEventLoopGroup(m_transportConfig.getNumConnectorIoProcessors(),
            new NameableThreadFactory("NettySender-" + m_transportConfig.getTransportName()));
    m_bootstrap = new Bootstrap();
    m_bootstrap.group(m_group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
            .option(ChannelOption.SO_KEEPALIVE, m_transportConfig.getTcpKeepAlive())
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, m_transportConfig.getConnectionTimeoutInSecs() * 1000)
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {

                    StreamMessageDecoder decoder = new StreamMessageDecoder(ClassResolvers.cacheDisabled(null));

                    if (m_autoFlushHandler != null) {
                        ch.pipeline().addLast(new EventConsumerStatisticsHandler(),
                                new MessageCompressionHandler(),
                                new IdleStateHandler(m_transportConfig.getIdleTimeoutInSecs(), 0, 0),
                                m_autoFlushHandler, decoder, new NettyObjectEncoder(), new KryoObjectEncoder(),
                                m_ecSessionHandler);
                    } else {
                        ch.pipeline().addLast(new EventConsumerStatisticsHandler(),
                                new MessageCompressionHandler(), decoder, new NettyObjectEncoder(),
                                new KryoObjectEncoder(), m_ecSessionHandler);
                    }
                }
            });

    if (m_transportConfig.getReceivebuffersize() > 0) {
        m_bootstrap.option(ChannelOption.SO_RCVBUF, m_transportConfig.getReceivebuffersize());
    }

    if (m_transportConfig.getSendbuffersize() > 0) {
        m_bootstrap.option(ChannelOption.SO_SNDBUF, m_transportConfig.getSendbuffersize());
    }
}

---

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 {/*from w w  w .  j  av  a 2  s .  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.eightkdata.mongowp.server.wp.NettyMongoServer.java

License:Open Source License

@Override
protected void startUp() throws Exception {
    LOGGER.info("Listening MongoDB requests on port " + port);

    connectionGroup = new NioEventLoopGroup(0,
            new ThreadFactoryBuilder().setNameFormat("netty-connection-%d").build());
    workerGroup = new NioEventLoopGroup(0, new ThreadFactoryBuilder().setNameFormat("netty-worker-%d").build());

    ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.group(connectionGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override/*from   ww  w . j a  va2s  . c  o m*/
                protected void initChannel(SocketChannel socketChannel) throws Exception {
                    buildChildHandlerPipeline(socketChannel.pipeline());
                }
            }) // TODO: set TCP channel options?
    ;

    ChannelFuture channelFuture = bootstrap.bind(port).awaitUninterruptibly();
    if (!channelFuture.isSuccess()) {
        workerGroup.shutdownGracefully();
        connectionGroup.shutdownGracefully();
    }
}

---

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

License:Apache License

static ChannelInitializer<SocketChannel> applyConfigurer(
        final Iterable<ClientChannelInitializerConfigurer> configurers) {
    final ImmutableList<ClientChannelInitializerConfigurer> list = Lists.immutable.ofAll(configurers);
    return new ChannelInitializer<SocketChannel>() {
        @Override/*  w w  w . j a  va 2 s  . co  m*/
        protected void initChannel(final SocketChannel ch) throws Exception {
            final ChannelPipeline pipeline = ch.pipeline();
            list.injectInto(pipeline, (pipe, config) -> pipe.addLast(config.handlerAdapter()));
        }
    };
}

---

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