Example usage for io.netty.bootstrap ServerBootstrap group

List of usage examples for io.netty.bootstrap ServerBootstrap group

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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.nettyhttpserver.server.NettyServer.java

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*  w w w  .j  a va  2 s.  c om*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new NettyServerInitializer()).option(ChannelOption.SO_BACKLOG, 1024)
                .childOption(ChannelOption.SO_KEEPALIVE, true);

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

From source file:com.newlandframework.rpc.netty.MessageRecvExecutor.java

License:Apache License

public void start() {
    try {// w ww  .  j av  a2 s.com
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(boss, worker).channel(NioServerSocketChannel.class)
                .childHandler(new MessageRecvChannelInitializer(handlerMap)
                        .buildRpcSerializeProtocol(serializeProtocol))
                .option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

        String[] ipAddr = serverAddress.split(MessageRecvExecutor.DELIMITER);

        if (ipAddr.length == 2) {
            String host = ipAddr[0];
            int port = Integer.parseInt(ipAddr[1]);
            ChannelFuture future = null;
            future = bootstrap.bind(host, port).sync();
            System.out.printf(
                    "[author tangjie] Netty RPC Server start success!\nip:%s\nport:%d\nprotocol:%s\n\n", host,
                    port, serializeProtocol);
            future.channel().closeFuture().sync();
        } else {
            System.out.printf("[author tangjie] Netty RPC Server start fail!\n");
        }
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}

From source file:com.nextcont.ecm.fileengine.http.nettyServer.HttpUploadServer.java

License:Apache License

@Override
protected void doStart() throws Exception {
    final SslContext sslCtx;
    if (SSL) {/*from   w  w  w.ja v a  2 s. co m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {
        sslCtx = null;
    }

    boss = new NioEventLoopGroup();
    worker = new NioEventLoopGroup();
    try {

        ServerBootstrap server = new ServerBootstrap();
        server.group(boss, worker);
        server.channel(NioServerSocketChannel.class);
        server.handler(new LoggingHandler(LogLevel.INFO));
        server.childHandler(new HttpUploadServerInitializer(sslCtx, fileService, fileRecordManager));

        Channel ch = server.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 {
        boss.shutdownGracefully();
        worker.shutdownGracefully();
    }
}

From source file:com.nitesh.netty.snoop.server.HttpSnoopServer.java

License:Apache License

public void run() throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from   w  ww.  j av a 2 s.c  o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new HttpSnoopServerInitializer());

        Channel ch = b.bind(port).sync().channel();
        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.nus.mazegame.server.GameServer.java

public static void init(int port, int x, int y, int treasure, boolean isSlave) throws Exception {
    GameService.gameService = new GameService(x, y, treasure, isSlave);

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from  www. j a va 2 s.  c  om
        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();
                        // Decoders
                        p.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1048576, 0, 4, 0, 4));
                        p.addLast("bytesDecoder", new ByteArrayDecoder());

                        // Encoder
                        p.addLast("frameEncoder", new LengthFieldPrepender(4));
                        p.addLast("bytesEncoder", new ByteArrayEncoder());
                        // p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new GameServerHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(port).sync();
        Logger.getLogger(GameServerHandler.class.getName()).log(Level.INFO, "Server started...");
        // 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.ogarproject.ogar.server.net.NetworkManager.java

License:Open Source License

public void start() throws IOException, InterruptedException {
    bossGroup = new NioEventLoopGroup();
    workerGroup = new NioEventLoopGroup();

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ClientInitializer(server));

    channel = b.bind(server.getConfig().server.port).sync().channel();

    OgarServer.log.info("Server started on port " + server.getConfig().server.port + ".");
}

From source file:com.onion.worker.WorkerDataServer.java

License:Apache License

private ServerBootstrap createServerBootstrap() {
    final ServerBootstrap boot = new ServerBootstrap();
    // If number of worker threads is 0, Netty creates (#processors * 2) threads by default.
    final EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    final EventLoopGroup workerGroup = new NioEventLoopGroup(0);
    boot.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class);

    // use pooled buffers
    boot.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    boot.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);

    // set write buffer
    // this is the default, but its recommended to set it in case of change in future netty.
    boot.childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, 32768);
    boot.childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, 8192);

    return boot;/* w ww .  jav  a2s . co m*/
}

From source file:com.openddal.server.NettyServer.java

License:Apache License

private ServerBootstrap configServer() {
    bossGroup = new NioEventLoopGroup(args.bossThreads, new DefaultThreadFactory("NettyBossGroup", true));
    workerGroup = new NioEventLoopGroup(args.workerThreads, new DefaultThreadFactory("NettyWorkerGroup", true));
    userExecutor = createUserThreadExecutor();
    Authenticator authenticator = createAuthenticator();
    ProcessorFactory processorFactory = createProcessorFactory();
    RequestFactory requestFactory = createRequestFactory();
    ResponseFactory responseFactory = createResponseFactory();
    final ProtocolHandler protocolHandler = new ProtocolHandler(authenticator, processorFactory, requestFactory,
            responseFactory, userExecutor);

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.SO_REUSEADDR, true).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childOption(ChannelOption.TCP_NODELAY, true);

    if (args.socketTimeoutMills > 0) {
        b.childOption(ChannelOption.SO_TIMEOUT, args.socketTimeoutMills);
    }//from   w  w  w  .j a  v  a2 s .c  om

    if (args.recvBuff > 0) {
        b.childOption(ChannelOption.SO_RCVBUF, args.recvBuff);
    }

    if (args.sendBuff > 0) {
        b.childOption(ChannelOption.SO_SNDBUF, args.sendBuff);
    }

    b.childHandler(new ChannelInitializer<SocketChannel>() {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast(createProtocolDecoder(), /* createProtocolEncoder(), */ protocolHandler);
        }
    });

    return b;
}

From source file:com.ottogroup.bi.asap.server.emitter.websocket.WebSocketServer.java

License:Apache License

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

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/* ww w  .j av a2s .  c o m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new WebSocketServerInitializer());

        Channel ch = b.bind(9898).sync().channel();

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

}

From source file:com.ottogroup.bi.spqr.websocket.server.SPQRWebSocketServer.java

License:Apache License

/**
 * Initializes and executes the server components. Although the other {@link SPQRWebSocketServer#run(String)}
 * could do the same work this one allows better testing as the {@link InputStream} parameter allows
 * to inject a variable which may be controlled much better. In the case it would be necessary to 
 * provide a reference to a temporary file which is controlled by the use case ... somehow too much work ;-)
 * This one is easier.  //from w  w  w  .  j a v  a 2 s.  c  om
 * @param configurationFileStream stream holding configuration file content
 * @throws IOException
 * @throws InterruptedException 
 */
protected void run(final InputStream configurationFileStream) throws IOException, InterruptedException {

    ///////////////////////////////////////////////////////////////////
    // parse out configuration from provided input stream
    ObjectMapper jsonMapper = new ObjectMapper();
    SPQRWebSocketServerConfiguration cfg = jsonMapper.readValue(configurationFileStream,
            SPQRWebSocketServerConfiguration.class);
    //
    ///////////////////////////////////////////////////////////////////

    PropertyConfigurator.configure(cfg.getLog4jConfigurationFile());

    EventLoopGroup bossGroup = new NioEventLoopGroup(cfg.getBossEventGroupThreads());
    EventLoopGroup workerGroup = new NioEventLoopGroup(cfg.getWorkerEventGroupThreads());

    logger.info(
            "websocket server [port=" + cfg.getPort() + ", bossGroupThreads=" + cfg.getBossEventGroupThreads()
                    + ", workerGroupThreads=" + cfg.getWorkerEventGroupThreads() + "]");

    try {
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new SPQRWebSocketServerInitializer());

        Channel channel = bootstrap.bind(cfg.getPort()).sync().channel();
        channel.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}