Example usage for io.netty.channel ChannelInitializer ChannelInitializer

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

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Introduction

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

Prototype

ChannelInitializer

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Usage

From source file:com.seed.nettyechoserver.EchoServer.java

public static void main(String[] args) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup(1);
    try {/*w ww .  ja va  2  s  . co m*/
        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();
                        //p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoServerHandler());
                    }
                });

        ChannelFuture f = b.bind(PORT).sync();
        f.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.seventh_root.ld33.client.LD33Client.java

License:Apache License

public void connect(String address, int port) {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from w w w. j av  a2 s. c om*/
        Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel channel) throws Exception {
                channel.pipeline().addLast(new ObjectEncoder(),
                        new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                        //new LD33ServerBoundPacketEncoder(),
                        //new LD33ClientBoundPacketDecoder(LD33Client.this),
                        new LD33ClientHandler(LD33Client.this));
            }
        });
        channel = bootstrap.connect(address, port).sync().channel();
        start();
        channel.closeFuture().sync();
    } catch (InterruptedException exception) {
        getLogger().log(SEVERE, "Event loop group interrupted", exception);
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.seventh_root.ld33.server.LD33Server.java

License:Apache License

private void start() {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from  w  w  w. j  av a2  s  .  c o  m
        ServerBootstrap bootstrap = new ServerBootstrap();
        handler = new LD33ServerHandler(this);
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel channel) throws Exception {
                        channel.pipeline().addLast(new ObjectEncoder(),
                                new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                                //new LD33ClientBoundPacketEncoder(),
                                //new LD33ServerBoundPacketDecoder(LD33Server.this),
                                handler);
                    }
                });
        Channel channel = bootstrap.bind(getConfig().getInt("port", 37896)).sync().channel();
        setRunning(true);
        long beforeTime, timeDiff, sleep;
        beforeTime = currentTimeMillis();
        while (isRunning()) {
            doTick();
            timeDiff = currentTimeMillis() - beforeTime;
            sleep = DELAY - timeDiff;
            if (sleep > 0) {
                try {
                    Thread.sleep(sleep);
                } catch (InterruptedException exception) {
                    getLogger().log(SEVERE, "Thread interrupted", exception);
                }
            }
            beforeTime = currentTimeMillis();
        }
        channel.closeFuture().sync();
    } catch (InterruptedException exception) {
        getLogger().log(SEVERE, "Event loop group interrupted", exception);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.sheldon.javaPrj.netty.DiscardServer.java

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from   w ww . ja v a 2  s  .c  om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {

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

                }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

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

        f.channel().closeFuture().sync();

    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

From source file:com.sheldon.javaPrj.netty.FileClient.java

public void start() {
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {// www.  j a v a 2  s  .c  o  m
        Bootstrap b = new Bootstrap();
        b.group(workerGroup).channel(NioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new ChunkedWriteHandler(), new FileClientHandler());
                    }

                });

        ChannelFuture f = b.connect("localhost", port).sync();

        f.channel().closeFuture().sync();

    } catch (InterruptedException ex) {
        Logger.getLogger(FileClient.class.getName()).log(Level.SEVERE, null, ex);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        workerGroup.shutdownGracefully();
    }

}

From source file:com.sheldon.javaPrj.netty.FileServer.java

public void start() {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//  w w  w. j a va  2s. c om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true)
                .childHandler(new ChannelInitializer<SocketChannel>() {

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

                });

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

        System.out.println("server start");

        f.channel().closeFuture().sync();

        System.out.println("server down");

    } catch (InterruptedException ex) {
        Logger.getLogger(FileServer.class.getName()).log(Level.SEVERE, null, ex);
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }

}

From source file:com.sheldon.javaPrj.netty.TimeClient.java

public static void main(String args[]) throws InterruptedException {
    String host = args.length > 0 ? args[0] : "localhost";
    int port = Integer.parseInt(args.length > 1 ? args[1] : "8080");

    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/* w  w w.  j ava 2  s .c om*/
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new TimeClientHandler());
            }
        });

        ChannelFuture f = b.connect(host, port).sync();

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

From source file:com.sheldon.javaPrj.netty.TimeServer.java

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from  www. ja v a 2 s .c o m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {

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

                }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

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

        f.channel().closeFuture().sync();

    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

From source file:com.sitech.crmpd.idmm2.ble.EchoClient.java

License:Apache License

public static void consumer(String[] args) throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from   w  w  w  .j a  v a2s.  co m*/
        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();
                        p.addLast(new LoggingHandler(LogLevel.TRACE));
                        p.addLast(new FrameCodeC());
                        p.addLast(new ConsumerClientHandler(clientid, target_topic));
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(ble_ip, ble_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.sitech.crmpd.idmm2.ble.EchoClient.java

License:Apache License

public static void producer(String[] args) throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {//from w  w w .  j  a va2s. co  m
        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();
                        p.addLast(new LoggingHandler(LogLevel.TRACE));
                        p.addLast(new FrameCodeC());
                        p.addLast(new ProducerClientHandler(clientid, target_topic));
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(ble_ip, ble_port).sync();

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