Example usage for io.netty.channel ChannelInitializer ChannelInitializer

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

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

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ChannelInitializer

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Usage

From source file:com.chen.opensourceframework.netty.copy.DiscardClient.java

License:Apache License

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

    EventLoopGroup group = new NioEventLoopGroup();
    try {//from w w w  .j  av  a  2  s.  c om
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(new TimeDecoder(), new DiscardClientHandler());
            }
        });

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

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.chen.opensourceframework.netty.copy.DiscardServer.java

License:Apache License

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

    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from   www.ja va2s  .c  o 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) {
                        ChannelPipeline p = ch.pipeline();
                        p.addLast(new DiscardServerHandler());
                    }
                }).option(ChannelOption.SO_BACKLOG, 128) // (5)
                .childOption(ChannelOption.SO_KEEPALIVE, true); // (6);

        ChannelFuture f = b.bind(PORT).sync();

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

From source file:com.chen.opensourceframework.netty.discard.DiscardClient.java

License:Apache License

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

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                if (sslCtx != null) {
                    p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
                }
                p.addLast(new DiscardClientHandler());
            }
        });

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

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.chen.opensourceframework.netty.discard.DiscardServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/* ww  w  . j a  va 2s. c o m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        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) {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc()));
                        }
                        p.addLast(new DiscardServerHandler());
                    }
                });

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

        // 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.chenyang.proxy.EchoClient.java

License:Apache License

public static void start(EventLoopGroup group) throws Exception {
    // Configure SSL.git
    final SslContext sslCtx;
    if (SSL) {//w ww  .  j  a  v  a 2 s  . co  m
        sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
    } else {
        sslCtx = null;
    }

    // Configure the client.
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
                        }
                        // p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoClientHandler());
                    }
                });

        // Start the client.
        System.out.println(" clients star ");
        ChannelFuture f = b.connect(HOST, PORT).sync();

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:com.chenyang.proxy.EchoServer.java

License:Apache License

public static void start() throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*from  w  w  w.  j av a 2 s  .c  o m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
    } else {
        sslCtx = null;
    }

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    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 ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc()));
                        }
                        // p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoServerHandler());
                    }
                });

        // Start the server.
        System.out.println(" server start in port " + PORT);
        ChannelFuture f = b.bind(PORT).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.cloudera.livy.client.local.rpc.RpcServer.java

License:Apache License

public RpcServer(LocalConf lconf) throws IOException, InterruptedException {
    this.config = lconf;
    this.group = new NioEventLoopGroup(this.config.getInt(RPC_MAX_THREADS),
            new ThreadFactoryBuilder().setNameFormat("RPC-Handler-%d").setDaemon(true).build());
    this.channel = new ServerBootstrap().group(group).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override// w  w w .j a va  2s.  co m
                public void initChannel(SocketChannel ch) throws Exception {
                    SaslServerHandler saslHandler = new SaslServerHandler(config);
                    final Rpc newRpc = Rpc.createServer(saslHandler, config, ch, group);
                    saslHandler.rpc = newRpc;

                    Runnable cancelTask = new Runnable() {
                        @Override
                        public void run() {
                            LOG.warn("Timed out waiting for hello from client.");
                            newRpc.close();
                        }
                    };
                    saslHandler.cancelTask = group.schedule(cancelTask,
                            config.getTimeAsMs(RPC_CLIENT_HANDSHAKE_TIMEOUT), TimeUnit.MILLISECONDS);
                }
            }).option(ChannelOption.SO_BACKLOG, 1).option(ChannelOption.SO_REUSEADDR, true)
            .childOption(ChannelOption.SO_KEEPALIVE, true).bind(0).sync().channel();
    this.port = ((InetSocketAddress) channel.localAddress()).getPort();
    this.pendingClients = Maps.newConcurrentMap();

    String address = config.get(RPC_SERVER_ADDRESS);
    if (address == null) {
        address = config.findLocalAddress();
    }
    this.address = address;
}

From source file:com.cloudera.livy.rsc.rpc.RpcServer.java

License:Apache License

public RpcServer(RSCConf lconf) throws IOException, InterruptedException {
    this.config = lconf;
    this.group = new NioEventLoopGroup(this.config.getInt(RPC_MAX_THREADS),
            Utils.newDaemonThreadFactory("RPC-Handler-%d"));
    this.channel = new ServerBootstrap().group(group).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override//from  ww w  .j  a v a 2s  . co  m
                public void initChannel(SocketChannel ch) throws Exception {
                    SaslServerHandler saslHandler = new SaslServerHandler(config);
                    final Rpc newRpc = Rpc.createServer(saslHandler, config, ch, group);
                    saslHandler.rpc = newRpc;

                    Runnable cancelTask = new Runnable() {
                        @Override
                        public void run() {
                            LOG.warn("Timed out waiting for hello from client.");
                            newRpc.close();
                        }
                    };
                    saslHandler.cancelTask = group.schedule(cancelTask,
                            config.getTimeAsMs(RPC_CLIENT_HANDSHAKE_TIMEOUT), TimeUnit.MILLISECONDS);
                }
            }).option(ChannelOption.SO_BACKLOG, 1).option(ChannelOption.SO_REUSEADDR, true)
            .childOption(ChannelOption.SO_KEEPALIVE, true).bind(0).sync().channel();
    this.port = ((InetSocketAddress) channel.localAddress()).getPort();
    this.pendingClients = new ConcurrentHashMap<>();

    String address = config.get(RPC_SERVER_ADDRESS);
    if (address == null) {
        address = config.findLocalAddress();
    }
    this.address = address;
}

From source file:com.cloudhopper.smpp.impl.DefaultSmppClient.java

License:Apache License

/**
 * Creates a new default SmppClient.//from w w w  .j  a v a 2 s .com
 * @param workerGroup The max number of concurrent sessions expected
 *      to be active at any time.  This number controls the max number of worker
 *      threads that the underlying Netty library will use.  If processing
 *      occurs in a sessionHandler (a blocking op), be <b>VERY</b> careful
 *      setting this to the correct number of concurrent sessions you expect.
 * @param monitorExecutor The scheduled executor that all sessions will share
 *      to monitor themselves and expire requests.  If null monitoring will
 *      be disabled.
 */
public DefaultSmppClient(NioEventLoopGroup workerGroup, ScheduledExecutorService monitorExecutor) {
    this.channels = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE);
    this.workerGroup = workerGroup;
    this.clientBootstrap = new Bootstrap();
    this.clientBootstrap.group(this.workerGroup);
    this.clientBootstrap.channel(NioSocketChannel.class);
    // we use the same default pipeline for all new channels - no need for a factory
    this.clientConnector = new SmppClientConnector(this.channels);

    this.clientBootstrap.handler(new ChannelInitializer<SocketChannel>() {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast(SmppChannelConstants.PIPELINE_CLIENT_CONNECTOR_NAME, clientConnector);
        }
    });

    this.monitorExecutor = monitorExecutor;
}

From source file:com.cloudhopper.smpp.impl.DefaultSmppServer.java

License:Apache License

/**
 * Creates a new default SmppServer.//from  w  w  w  .  j a  va2  s  .co m
 * @param configuration The server configuration to create this server with
 * @param serverHandler The handler implementation for handling bind requests
 *      and creating/destroying sessions.
 * @param monitorExecutor The scheduled executor that all sessions will share
 *      to monitor themselves and expire requests. If null monitoring will
 *      be disabled.
 * @param bossGroup Specify the EventLoopGroup to accept new connections and
 *      handle accepted connections. The {@link EventLoopGroup} is used to handle
 *      all the events and IO for {@link SocketChannel}.
 * @param workerGroup The {@link EventLoopGroup} is used to handle all the events
 *      and IO for {@link Channel}.
 */
public DefaultSmppServer(final SmppServerConfiguration configuration, SmppServerHandler serverHandler,
        ScheduledExecutorService monitorExecutor, EventLoopGroup bossGroup, EventLoopGroup workerGroup) {
    this.configuration = configuration;
    // the same group we'll put every server channel
    this.channels = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE);
    this.serverHandler = serverHandler;

    // tie the server bootstrap to this server socket channel factory
    this.serverBootstrap = new ServerBootstrap();

    // a factory for creating channels (connections)
    if (configuration.isNonBlockingSocketsEnabled()) {
        this.serverBootstrap.channel(NioServerSocketChannel.class);
    } else {
        this.serverBootstrap.channel(OioServerSocketChannel.class);
    }

    this.bossGroup = bossGroup;
    this.workerGroup = workerGroup;
    this.serverBootstrap.group(this.bossGroup, this.workerGroup);

    // set options for the server socket that are useful
    this.serverBootstrap.option(ChannelOption.SO_REUSEADDR, configuration.isReuseAddress());

    // we use the same default pipeline for all new channels - no need for a factory
    this.serverConnector = new SmppServerConnector(channels, this);

    this.serverBootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast(SmppChannelConstants.PIPELINE_SERVER_CONNECTOR_NAME, serverConnector);
        }
    });

    // a shared timer used to make sure new channels are bound within X milliseconds
    this.bindTimer = new Timer(configuration.getName() + "-BindTimer0", true);
    // NOTE: this would permit us to customize the "transcoding" context for a server if needed
    this.transcoder = new DefaultPduTranscoder(new DefaultPduTranscoderContext());
    this.sessionIdSequence = new AtomicLong(0);
    this.monitorExecutor = monitorExecutor;
    this.counters = new DefaultSmppServerCounters();
    if (configuration.isJmxEnabled()) {
        registerMBean();
    }
}