Example usage for io.netty.channel ChannelOption SO_BACKLOG

Introduction

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

Prototype

ChannelOption SO_BACKLOG

To view the source code for io.netty.channel ChannelOption SO_BACKLOG.

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Usage

From source file:realityshard.container.ContainerFacade.java

License:Open Source License

/**
 * Init our factories and load the info about them into our map.
 */// w w  w.  j a  v a 2  s.  c o  m
private GameAppInfo produceInfoFromFactory(GameAppFactory factory) throws Exception {
    GameAppInfo result = new GameAppInfo();
    result.Factory = factory;
    result.MetaContext = new MetaGameAppContext(factory.getName(), this);

    // register the metacontext with its own aggregator
    result.MetaContext.getEventAggregator().register(result.MetaContext);

    result.Boss = new NioEventLoopGroup();
    result.Worker = new NioEventLoopGroup();

    ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.group(result.Boss, result.Worker).channel(NioServerSocketChannel.class)
            .childAttr(GameAppContextKey.KEY, result.MetaContext).childAttr(GameAppContextKey.IS_SET, false)
            .option(ChannelOption.SO_BACKLOG, 1000);

    result.NetworkChannel = (NioServerSocketChannel) factory.getServerChannel(bootstrap);

    return result;
}

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From source file:sailfish.remoting.DefaultServer.java

License:Apache License

private ServerBootstrap newServerBootstrap() {
    ServerBootstrap serverBoot = new ServerBootstrap();
    serverBoot.channel(NettyPlatformIndependent.serverChannelClass());
    // connections wait for accept
    serverBoot.option(ChannelOption.SO_BACKLOG, 1024);
    serverBoot.option(ChannelOption.SO_REUSEADDR, true);
    // replace by heart beat
    serverBoot.childOption(ChannelOption.SO_KEEPALIVE, false);
    serverBoot.childOption(ChannelOption.TCP_NODELAY, true);
    serverBoot.childOption(ChannelOption.SO_SNDBUF, 32 * 1024);
    serverBoot.childOption(ChannelOption.SO_RCVBUF, 32 * 1024);
    // temporary settings, need more tests
    serverBoot.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK,
            new WriteBufferWaterMark(8 * 1024, 32 * 1024));
    serverBoot.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    //default is true, reduce thread context switching
    serverBoot.childOption(ChannelOption.SINGLE_EVENTEXECUTOR_PER_GROUP, true);
    return serverBoot;
}

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From source file:server.operation.OperationServer.java

License:Apache License

public void start() throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*from   w w  w. j  a v a  2 s  .c  o  m*/
        // ??   ?  ?? ? ?.
        //?, ??  ? .
        //jvm  ?? ?. (netty api )
        //SelfSignedCertificate ssc = new SelfSignedCertificate();
        //sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();

        //File cert = new File("./resource/cert/nene.crt");
        //File privateKey= new File("./resource/cert/privatekey.pem");

        //resources/cert ? ?? ? ?? .
        //? pkcs#8? .
        final File cert = ResourceUtils.getFile("classpath:/cert/nene.crt");
        final File privateKey = ResourceUtils.getFile("classpath:/cert/nene.pem");
        sslCtx = SslContextBuilder.forServer(cert, privateKey, "tkfkdgo123!").build();
        System.out.println("ssl? ??. : " + SSL + ", port : " + PORT);

    } 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.DEBUG))
                .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.DEBUG),
                                //new StringEncoder(CharsetUtil.UTF_8),
                                //new LineBasedFrameDecoder(8192),
                                //new StringDecoder(CharsetUtil.UTF_8),
                                new ChunkedWriteHandler(),
                                new OperationServerHandler(applicationContext, eventPublisher));
                    }
                });

        // Start the server.
        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();
    }
}

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From source file:sh.lab.jcorrelat.App.java

License:Open Source License

public static void main(final String[] args) throws Exception {
    ((ch.qos.logback.classic.Logger) LoggerFactory.getLogger(ch.qos.logback.classic.Logger.ROOT_LOGGER_NAME))
            .setLevel(CONF_LOG_LEVEL);/*from  w  w w  .  j a va2  s .c  om*/

    final EventLoopGroup bossGroup = new NioEventLoopGroup();
    final EventLoopGroup workerGroup = new NioEventLoopGroup();

    final MessagePersister persister = new MessagePersister();

    final EventExecutorGroup correlatorGroup = new DefaultEventExecutorGroup(32);
    final MessageCorrelationHandler correlatorHandler = new MessageCorrelationHandler(persister);

    try {
        final ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(final SocketChannel channel) throws Exception {
                        final ChannelPipeline pipeline = channel.pipeline();

                        pipeline.addLast("framer", new LineBasedFrameDecoder(MessageDecoder.BUFFER_SIZE));
                        pipeline.addLast("decoder", new MessageDecoder());

                        pipeline.addLast(/*correlatorGroup,*/ "correlator", correlatorHandler);
                    }
                }).option(ChannelOption.SO_REUSEADDR, true).option(ChannelOption.SO_BACKLOG, 8)
                .option(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.SO_KEEPALIVE, true);

        final Channel channel = bootstrap.bind(CONF_BIND_HOST, CONF_BIND_PORT).sync().channel();

        channel.closeFuture().sync();

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

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From source file:spark.network.netty.FileServer.java

License:Apache License

public FileServer(PathResolver pResolver, int port) {
    InetSocketAddress addr = new InetSocketAddress(port);

    // Configure the server.
    bootstrap = new ServerBootstrap();
    bootstrap.group(new OioEventLoopGroup(), new OioEventLoopGroup()).channel(OioServerSocketChannel.class)
            .option(ChannelOption.SO_BACKLOG, 100).option(ChannelOption.SO_RCVBUF, 1500)
            .childHandler(new FileServerChannelInitializer(pResolver));
    // Start the server.
    channelFuture = bootstrap.bind(addr);
    try {//  w  w w .j ava2 s  . co  m
        // Get the address we bound to.
        InetSocketAddress boundAddress = ((InetSocketAddress) channelFuture.sync().channel().localAddress());
        this.port = boundAddress.getPort();
    } catch (InterruptedException ie) {
        this.port = 0;
    }
}

---

From source file:storm.falcon.echo.EchoServer.java

License:Apache License

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

    // ??/*from  w ww. j av  a2  s.  com*/
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);

    // 
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {

        // ???
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup) // 
                .channel(NioServerSocketChannel.class) // NIO?
                .option(ChannelOption.SO_BACKLOG, 100) // TCP
                .handler(new LoggingHandler(LogLevel.INFO)) // 
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) {
                        ChannelPipeline p = ch.pipeline();
                        //p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoServerHandler());
                    }
                });

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

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

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From source file:system.core.netty.nio.chapter4.frame.delimiter.EchoServer.java

License:Apache License

public void bind(int port) throws Exception {
    // ??NIO// w w  w .j av  a  2  s  .  c om
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    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 {
                        ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes());
                        ch.pipeline().addLast(new DelimiterBasedFrameDecoder(300, delimiter));
                        ch.pipeline().addLast(new StringDecoder());
                        ch.pipeline().addLast(new EchoServerHandler());
                    }
                });

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

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

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From source file:tachyon.worker.netty.NettyDataServer.java

License:Apache License

private ServerBootstrap createBootstrap() {
    final ServerBootstrap boot = createBootstrapOfType(
            mTachyonConf.getEnum(Constants.WORKER_NETWORK_NETTY_CHANNEL, ChannelType.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,
            (int) mTachyonConf.getBytes(Constants.WORKER_NETTY_WATERMARK_HIGH));
    boot.childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK,
            (int) mTachyonConf.getBytes(Constants.WORKER_NETTY_WATERMARK_LOW));

    // more buffer settings on Netty socket option, one can tune them by specifying
    // properties, e.g.:
    // tachyon.worker.network.netty.backlog=50
    // tachyon.worker.network.netty.buffer.send=64KB
    // tachyon.worker.network.netty.buffer.receive=64KB
    if (mTachyonConf.containsKey(Constants.WORKER_NETTY_BACKLOG)) {
        boot.option(ChannelOption.SO_BACKLOG, mTachyonConf.getInt(Constants.WORKER_NETTY_BACKLOG));
    }/*  ww w.  ja va  2 s.c  om*/
    if (mTachyonConf.containsKey(Constants.WORKER_NETTY_SEND_BUFFER)) {
        boot.option(ChannelOption.SO_SNDBUF, (int) mTachyonConf.getBytes(Constants.WORKER_NETTY_SEND_BUFFER));
    }
    if (mTachyonConf.containsKey(Constants.WORKER_NETTY_RECEIVE_BUFFER)) {
        boot.option(ChannelOption.SO_RCVBUF,
                (int) mTachyonConf.getBytes(Constants.WORKER_NETTY_RECEIVE_BUFFER));
    }
    return boot;
}

---

From source file:taichu.kafka.test.netty4.example.EchoServer.EchoServer.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  va  2  s.co  m
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } 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)
                //             .option(ChannelOption., 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.
        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:tk.jomp16.rcon.internal.RconServer.java

License:Open Source License

/**
 * Creates a new instance of RconServer/*from  w  ww  .j  av  a 2s.  c om*/
 *
 * @param host         the IP that the server will bind on
 * @param port         the port that the server will bind on
 * @param rconPassword the password to authenticate the users
 * @param epoll        if Netty server will run on epoll
 */
public RconServer(final String host, final int port, final String rconPassword, final boolean epoll) {
    this.host = host;
    this.port = port;
    this.rconPassword = rconPassword;

    if (this.rconPassword == null || this.rconPassword.isEmpty()) {
        log.error("Source RCON password not set!");

        return;
    }

    this.rconEvents = new LinkedList<>();

    this.bossGroup = epoll ? new EpollEventLoopGroup() : new NioEventLoopGroup();
    this.workerGroup = epoll ? new EpollEventLoopGroup() : new NioEventLoopGroup();

    this.serverBootstrap = new ServerBootstrap();

    this.serverBootstrap.group(this.bossGroup, this.workerGroup)
            .channel(epoll ? EpollServerSocketChannel.class : NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(final SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new RconNettyDecoder(), new RconNettyEncoder(),
                            new RconNettyHandler(RconServer.this));
                }
            }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.ALLOCATOR, UnpooledByteBufAllocator.DEFAULT);

    this.canStartServer = true;
}

---

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