Example usage for io.netty.bootstrap ServerBootstrap group

Introduction

In this page you can find the example usage for io.netty.bootstrap ServerBootstrap group.

Prototype

public ServerBootstrap group(EventLoopGroup parentGroup, EventLoopGroup childGroup) 

Source Link

Document

Set the EventLoopGroup for the parent (acceptor) and the child (client).

Usage

From source file:com.athena.peacock.controller.netty.PeacockServer.java

License:Open Source License

@Override
public void afterPropertiesSet() throws Exception {
    new Thread() {
        @Override/*from   w  w w .  j  av a  2  s .co m*/
        public void run() {
            try {
                ServerBootstrap b = new ServerBootstrap();
                b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                        .handler(new LoggingHandler(LogLevel.WARN)).childHandler(initializer);

                // Bind and start to accept incoming connections.
                channel = b.bind(port).sync().channel().closeFuture().sync().channel();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }.start();
}

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From source file:com.avanza.astrix.netty.server.NettyRemotingServer.java

License:Apache License

public void start() {
    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup();
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .option(ChannelOption.SO_REUSEADDR, false).handler(new LoggingHandler(LogLevel.INFO))
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override// ww w.  ja  va2s. c o m
                public void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline p = ch.pipeline();
                    p.addLast(new ObjectEncoder(), new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                            new NettyRemotingServerHandler(serviceActivator));
                }
            });

    // Bind and start to accept incoming connections. Binds to all interfaces
    // TODO: Allow specifying a bind port range. Attempt to bind to each port in range and use first successfully bound port
    ChannelFuture channel = b.bind(port);
    try {
        if (channel.await(2, TimeUnit.SECONDS)) {
            if (channel.isSuccess()) {
                port = InetSocketAddress.class.cast(channel.channel().localAddress()).getPort();
                log.info("NettyRemotingServer started listening on port={}", port);
                return;
            }
        }
    } catch (InterruptedException e) {
    }
    throw new IllegalStateException("Failed to start netty remoting server. Can't bind to port: " + port);
}

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From source file:com.baidu.rigel.biplatform.ma.file.serv.FileServer.java

License:Open Source License

private static void startServer(String location, int port) {
    fileLocation = new FileLocation(location);
    service = new LocalFileOperationServiceImpl(fileLocation);
    EventLoopGroup bossGroup = new NioEventLoopGroup(10);
    EventLoopGroup workGroup = new NioEventLoopGroup(50);
    try {/* w  w w  .  j  a v  a2 s  .c o m*/
        ServerBootstrap strap = new ServerBootstrap();
        strap.group(bossGroup, workGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel channel) throws Exception {
                        // ??
                        channel.pipeline().addLast(new ObjectDecoder(ClassResolvers
                                .weakCachingConcurrentResolver(FileServer.class.getClassLoader())));
                        channel.pipeline().addLast(new ObjectEncoder());
                        //                        channel.pipeline().addLast("HeartBeatHandler", new HeartBeatRespHandler());
                        channel.pipeline().addLast(new FileServer());
                    }
                });
        ChannelFuture future = strap.bind(port).sync();
        LOGGER.info("start file server successfully");
        LOGGER.info("port : " + port);
        LOGGER.info("location : " + location);
        future.channel().closeFuture().sync();
    } catch (Exception e) {
        LOGGER.error(e.getMessage(), e);
        LOGGER.error("can not start file server with [port : {}] and fileLocation {{}}", port, location);
        printUsage();
        System.exit(-1);
    } finally {
        bossGroup.shutdownGracefully();
        workGroup.shutdownGracefully();
    }
}

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From source file:com.baidu.rigel.biplatform.tesseract.node.service.IndexAndSearchServer.java

License:Open Source License

/**
 * startServer//  w w  w.j a va 2  s. c  o  m
 * 
 * @throws Exception
 */
protected void startServer() throws Exception {
    LOGGER.info("Index and Search server ready to start...");
    long curr = System.currentTimeMillis();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup);
        b.channel(NioServerSocketChannel.class);
        b.option(ChannelOption.SO_BACKLOG, 1000000);
        b.childHandler(new ChannelInitializer<SocketChannel>() {

            /*
             * (non-Javadoc)
             * 
             * @see
             * io.netty.channel.ChannelInitializer#initChannel(io.netty.
             * channel.Channel)
             */
            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();
                pipeline.addLast("encode", new ObjectEncoder());
                pipeline.addLast("decode",
                        new ObjectDecoder(ClassResolvers.weakCachingConcurrentResolver(null)));
                pipeline.addLast(IndexServerHandler.getChannelHandler());
                pipeline.addLast(SearchServerHandler.getChannelHandler());
                pipeline.addLast(FileServerHandler.getChannelHandler());
            }

        });

        // ChannelFuture f = b.bind(IP, PORT).sync();
        // f.channel().closeFuture().sync();

        int currPort = NetworkUtils.getAvailablePort(this.node.getPort());

        ChannelFuture f = b.bind(IP, currPort).sync();

        if (currPort != this.node.getPort()) {
            this.node.setPort(currPort);
        }

        serverChannelFuture = f;
        LOGGER.info("Index and Search server started at Port:" + this.node.getPort());
        LOGGER.info("Index and Search server started in " + (System.currentTimeMillis() - curr) + "ms");
        this.isRunning = true;

        serverChannelFuture.channel().closeFuture().sync().channel();

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

---

From source file:com.bala.learning.learning.netty.HttpServer.java

License:Apache License

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

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new HttpServerInitializer(sslCtx));

        Channel ch = b.bind(PORT).sync().channel();

        System.err.println("Open your web browser and navigate to " + (SSL ? "https" : "http") + "://127.0.0.1:"
                + PORT + '/');

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

---

From source file:com.baoxue.netty.file.FileServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from  ww  w .j a  va  2 s .  c  o m
        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("Start file server at port : " + port);
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

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From source file:com.base.research.socket.netty.Server.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from   w w  w.j a v a2 s. c o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        // ch.pipeline().addLast(new TimeDecode());
                        ch.pipeline().addLast(new TestDecode2());
                        // ch.pipeline().addLast(new TestEncode());
                        ch.pipeline().addLast(new TestEncode2());
                        ch.pipeline().addLast(new ServerHandler());
                    }
                });

        // 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();
    }
}

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From source file:com.beeswax.http.server.HttpServer.java

License:Apache License

public void run() throws InterruptedException {
    // Create event loop groups. One for incoming connections handling and
    // second for handling actual event by workers
    final NioEventLoopGroup bossGroup = new NioEventLoopGroup(serverConfig.bossGroupSize);
    final NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {//from   w ww .j  a  v a  2 s  .  c  om
        ServerBootstrap bootStrap = new ServerBootstrap();
        bootStrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                // SO_BACKLOG : The maximum queue length for incoming connections.
                .option(ChannelOption.SO_BACKLOG, serverConfig.backlogSize)
                // TCP_NODELAY: option to disable Nagle's algorithm to achieve lower latency on every packet sent
                .option(ChannelOption.TCP_NODELAY, serverConfig.tcpNodelay)
                // SO_KEEPALIVE: option to enable keep-alive packets for a socket connection
                .childOption(ChannelOption.SO_KEEPALIVE, serverConfig.keepAlive)
                .childHandler(new HttpServerChannelInitializer(serverConfig, handlerFactory));

        // bind to port
        final ChannelFuture channelFuture = bootStrap.bind(serverConfig.port).sync();

        // Wait until the server socket is closed.
        channelFuture.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

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

License:Apache License

public void bind() throws Exception {
    // ??NIO//from w  w  w  .  j  a  v 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.bloom.zerofs.rest.NettyServer.java

License:Open Source License

@Override
public void start() throws InstantiationException {
    long startupBeginTime = System.currentTimeMillis();
    try {//from  w  ww. j a va2s .  c  om
        logger.trace("Starting NettyServer deployment");
        bossGroup = new NioEventLoopGroup(nettyConfig.nettyServerBossThreadCount);
        workerGroup = new NioEventLoopGroup(nettyConfig.nettyServerWorkerThreadCount);
        ServerBootstrap b = new ServerBootstrap();
        // Netty creates a new instance of every class in the pipeline for every connection
        // i.e. if there are a 1000 active connections there will be a 1000 NettyMessageProcessor instances.
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, nettyConfig.nettyServerSoBacklog)
                .handler(new LoggingHandler(LogLevel.DEBUG)).childHandler(channelInitializer);
        b.bind(nettyConfig.nettyServerPort).sync();
        logger.info("NettyServer now listening on port {}", nettyConfig.nettyServerPort);
    } catch (InterruptedException e) {
        logger.error("NettyServer start await was interrupted", e);
        nettyMetrics.nettyServerStartError.inc();
        throw new InstantiationException(
                "Netty server bind to port [" + nettyConfig.nettyServerPort + "] was interrupted");
    } finally {
        long startupTime = System.currentTimeMillis() - startupBeginTime;
        logger.info("NettyServer start took {} ms", startupTime);
        nettyMetrics.nettyServerStartTimeInMs.update(startupTime);
    }
}

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