Example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

Introduction

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

Prototype

public NioEventLoopGroup() 

Source Link

Document

Create a new instance using the default number of threads, the default ThreadFactory and the SelectorProvider which is returned by SelectorProvider#provider() .

Usage

From source file:com.bianlz.ndg.p14.server.NettyServer.java

License:Apache License

public void bind() throws Exception {
    // ??NIO//from  ww w.j  av a 2s .  c o  m
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    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 IOException {
                    ch.pipeline().addLast(new NettyMessageDecoder(1024 * 1024, 4, 4));
                    ch.pipeline().addLast(new NettyMessageEncoder());
                    ch.pipeline().addLast("readTimeoutHandler", new ReadTimeoutHandler(5000));
                    ch.pipeline().addLast(new LoginAuthRespHandler());
                    ch.pipeline().addLast("HeartBeatHandler", new HeartBeatRespHandler());
                }
            });

    // ???
    b.bind(Constant.REMOTEIP, Constant.PORT).sync();
    System.out.println("Netty server start ok : " + (Constant.REMOTEIP + " : " + Constant.PORT));
}

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From source file:com.bow.demo.module.netty.demo.echo.EchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.git
    final SslContext sslCtx;
    if (SSL) {//from w ww.  j  a  va2s  .  co  m
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }

    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    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.
        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();
    }
}

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From source file:com.bow.demo.module.netty.demo.objectecho.ObjectEchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from w  w  w .  j  a  va2 s.  c om
        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
            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 ObjectEncoder(), new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                        new ObjectEchoClientHandler());
            }
        });

        // Start the connection attempt.
        b.connect(HOST, PORT).sync().channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

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From source file:com.brainlounge.zooterrain.netty.WebSocketServer.java

License:Apache License

public void run() throws Exception {

    final ZkStateObserver zkStateObserver = new ZkStateObserver(zkConnection);

    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from ww w.  j ava  2  s .  c om*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new WebSocketServerInitializer(zkStateObserver));

        Channel ch = b.bind(port).sync().channel();
        System.out.println("Zooterrain server started at port " + port + '.');

        zkStateObserver.start();

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

}

---

From source file:com.buildria.mocking.stub.StubHttpServer.java

License:Open Source License

@Override
public StubHttpServer start() {
    Stopwatch sw = createStarted();//from w w  w.  jav  a2  s  .com
    bossGroup = new NioEventLoopGroup();
    workerGroup = new NioEventLoopGroup();

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                // CHECKSTYLE:OFF
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    // CHECKSTYLE:ON
                    // int maxInitialLineLength, int maxHeaderSize, int maxChunkSize
                    ch.pipeline().addLast("decoder",
                            new HttpRequestDecoder(MAX_INITIALLINE_LENGH, MAX_HEADERS_SIZE, MAX_CHUNK_SIZE));
                    ch.pipeline().addLast("aggregator", new HttpObjectAggregator(MAX_CONTENT_LENGTH));
                    ch.pipeline().addLast("encoder", new HttpResponseEncoder());
                    ch.pipeline().addLast("deflater", new HttpContentCompressor());
                    if (config.isLogging()) {
                        ch.pipeline().addLast("logging", new LoggingHandler(StubHttpServer.class));
                    }
                    ch.pipeline().addLast("handler", new Handler());
                }
            }).option(ChannelOption.SO_BACKLOG, SO_BACKLOG).childOption(ChannelOption.SO_KEEPALIVE, true);

    // Bind and start to accept incoming connections.
    int port = config.getPort();
    ChannelFuture f;
    try {
        f = b.bind(port).sync();
    } catch (InterruptedException ex) {
        throw new MockingException(ex);
    }
    f.awaitUninterruptibly();
    sw.stop();
    LOG.debug("### StubHttpServer(port:{}) started. It took {}", port, sw);
    return this;
}

---

From source file:com.bunjlabs.fuga.network.netty.NettyHttpServer.java

License:Apache License

@Override
public void start() {
    if (addr instanceof InetSocketAddress) {
        InetSocketAddress inetAddr = (InetSocketAddress) addr;
        log.info("Starting up HTTP server at {}{}{}/", "http://", inetAddr.getHostString(),
                inetAddr.getPort() == 80 ? "" : ":" + inetAddr.getPort());
    } else {/*w w  w. j av  a 2  s  .c  om*/
        log.info("Starting up HTTP server");
    }

    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new NettyHttpServerInitializer(app));
        Channel ch = b.bind(addr).sync().channel();
        ch.closeFuture().sync();
    } catch (Exception ex) {
        log.error(ex);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

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From source file:com.caocao.nio.client.EchoClient.java

License:Apache License

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

    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from ww w.  j  a  v  a2  s.  com*/
        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 MsgDecoder());
                        p.addLast(new MsgEncoder());
                        p.addLast(new EchoClientHandler());
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect("127.0.0.1", 80).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.cat.netty.file.FileServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*  w ww. jav  a  2 s  .c  om*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).childHandler(new ChannelInitializer<SocketChannel>() {
                    /*
                     * (non-Javadoc)
                     *
                     * @see
                     * io.netty.channel.ChannelInitializer#initChannel(io
                     * .netty.channel.Channel)
                     */
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new StringEncoder(CharsetUtil.UTF_8),
                                new LineBasedFrameDecoder(1024), new StringDecoder(CharsetUtil.UTF_8),
                                new FileServerHandler());
                    }
                });
        ChannelFuture f = b.bind(port).sync();
        System.out.println("Server start at port : " + port);
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:com.cdg.study.netty.time.TimeClient.java

License:Open Source License

public static void main(String[] args) throws Exception {
    //      String host = args[0];
    //      int port = Integer.parseInt(args[1]);
    String host = "localhost";
    int port = 8021;
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*from w w w  .  jav a 2s.  com*/
        Bootstrap b = new Bootstrap(); // (1)
        b.group(workerGroup); // (2)
        b.channel(NioSocketChannel.class); // (3)
        b.option(ChannelOption.SO_KEEPALIVE, true); // (4)
        b.handler(new ChannelInitializer<SocketChannel>() {

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

        // Start the client.
        ChannelFuture f = b.connect(host, port).sync(); // (5)

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

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From source file:com.celeral.netlet.benchmark.netty.BenchmarkTcpClient.java

License:Apache License

public static void main(String[] args) {
    String host = args[0];// ww w.  j av  a2s. co m
    int port = Integer.parseInt(args[1]);
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {
        Bootstrap b = new Bootstrap(); // (1)
        b.group(workerGroup); // (2)
        b.channel(NioSocketChannel.class); // (3)
        b.option(ChannelOption.SO_KEEPALIVE, true); // (4)
        b.handler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new BenchmarkTcpClient());
            }
        });

        // Start the client.
        ChannelFuture f = b.connect(host, port).sync(); // (5)

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } catch (Exception e) {
        logger.error("", e);
    } finally {
        workerGroup.shutdownGracefully();
    }
}

---

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