Example usage for io.netty.channel ChannelOption SO_KEEPALIVE

Introduction

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

Prototype

ChannelOption SO_KEEPALIVE

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

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Usage

From source file:com.addthis.meshy.MeshyServer.java

License:Apache License

public MeshyServer(final int port, final File rootDir, @Nullable String[] netif, final MeshyServerGroup group)
        throws IOException {
    super();/*from w ww.ja  v  a  2s  . c om*/
    this.group = group;
    this.rootDir = rootDir;
    this.filesystems = loadFileSystems(rootDir);
    this.serverPeers = new AtomicInteger(0);
    bossGroup = new NioEventLoopGroup(1);
    ServerBootstrap bootstrap = new ServerBootstrap()
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .option(ChannelOption.SO_BACKLOG, 1024).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 30000)
            .option(ChannelOption.SO_REUSEADDR, true)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, HIGH_WATERMARK)
            .childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, LOW_WATERMARK)
            .channel(NioServerSocketChannel.class).group(bossGroup, workerGroup)
            .childHandler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new ChannelState(MeshyServer.this, ch));
                }
            });
    /* bind to one or more interfaces, if supplied, otherwise all */
    if ((netif == null) || (netif.length == 0)) {
        ServerSocketChannel serverChannel = (ServerSocketChannel) bootstrap.bind(new InetSocketAddress(port))
                .syncUninterruptibly().channel();
        serverLocal = serverChannel.localAddress();
    } else {
        InetSocketAddress primaryServerLocal = null;
        for (String net : netif) {
            NetworkInterface nicif = NetworkInterface.getByName(net);
            if (nicif == null) {
                log.warn("missing speficied NIC: {}", net);
                continue;
            }
            for (InterfaceAddress addr : nicif.getInterfaceAddresses()) {
                InetAddress inAddr = addr.getAddress();
                if (inAddr.getAddress().length != 4) {
                    log.trace("skip non-ipV4 address: {}", inAddr);
                    continue;
                }
                ServerSocketChannel serverChannel = (ServerSocketChannel) bootstrap
                        .bind(new InetSocketAddress(inAddr, port)).syncUninterruptibly().channel();
                if (primaryServerLocal != null) {
                    log.info("server [{}-*] binding to extra address: {}", super.getUUID(), primaryServerLocal);
                }
                primaryServerLocal = serverChannel.localAddress();
            }
        }
        if (primaryServerLocal == null) {
            throw new IllegalArgumentException("no valid interface / port specified");
        }
        serverLocal = primaryServerLocal;
    }
    this.serverNetIf = NetworkInterface.getByInetAddress(serverLocal.getAddress());
    this.serverPort = serverLocal.getPort();
    if (serverNetIf != null) {
        serverUuid = super.getUUID() + "-" + serverPort + "-" + serverNetIf.getName();
    } else {
        serverUuid = super.getUUID() + "-" + serverPort;
    }
    log.info("server [{}] on {} @ {}", getUUID(), serverLocal, rootDir);
    closeFuture = new DefaultPromise<>(GlobalEventExecutor.INSTANCE);
    workerGroup.terminationFuture().addListener((Future<Object> workerFuture) -> {
        bossGroup.terminationFuture().addListener((Future<Object> bossFuture) -> {
            if (!workerFuture.isSuccess()) {
                closeFuture.tryFailure(workerFuture.cause());
            } else if (!bossFuture.isSuccess()) {
                closeFuture.tryFailure(bossFuture.cause());
            } else {
                closeFuture.trySuccess(null);
            }
        });
    });
    addMessageFileSystemPaths();
    group.join(this);
    if (autoMesh) {
        startAutoMesh(serverPort, autoMeshTimeout);
    }
}

---

From source file:com.agrn.senqm.network.connection.Connection.java

License:Open Source License

private Bootstrap getBootstrap(EventLoopGroup workerGroup) {
    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(workerGroup);//from w w w .ja  v a2s  .  com
    bootstrap.channel(NioSocketChannel.class);
    bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
    bootstrap.handler(new ConnectionInitializer());

    return bootstrap;
}

---

From source file:com.alibaba.dubbo.remoting.transport.netty.NettyClient.java

License:Apache License

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    final NettyClientHandler nettyClientHandler = new NettyClientHandler(getUrl(), this);
    bootstrap = new Bootstrap();
    bootstrap.group(nioEventLoopGroup).option(ChannelOption.SO_KEEPALIVE, true)
            .option(ChannelOption.TCP_NODELAY, true)
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            //.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, getTimeout())
            .channel(NioSocketChannel.class);

    if (getTimeout() < 3000) {
        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 3000);
    } else {/* www. j av a 2  s . c o m*/
        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, getTimeout());
    }

    bootstrap.handler(new ChannelInitializer() {

        protected void initChannel(Channel ch) throws Exception {
            NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec(), getUrl(), NettyClient.this);
            ch.pipeline()//.addLast("logging",new LoggingHandler(LogLevel.INFO))//for debug
                    .addLast("decoder", adapter.getDecoder())//
                    .addLast("encoder", adapter.getEncoder())//
                    .addLast("handler", nettyClientHandler);
        }
    });
}

---

From source file:com.alibaba.dubbo.remoting.transport.netty.NettyServer.java

License:Apache License

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    //netty4// w w w. j a  v a 2  s. c o  m
    bootstrap = new ServerBootstrap();
    //1?
    bossGroup = new NioEventLoopGroup(1, new DefaultThreadFactory("NettyServerBoss", true));
    //       cpu*2 
    workerGroup = new NioEventLoopGroup(
            getUrl().getPositiveParameter(Constants.IO_THREADS_KEY, Constants.DEFAULT_IO_THREADS),
            new DefaultThreadFactory("NettyServerWorker", true));

    final NettyServerHandler nettyServerHandler = new NettyServerHandler(getUrl(), this);
    channels = nettyServerHandler.getChannels();

    bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.TCP_NODELAY, Boolean.TRUE)
            .childOption(ChannelOption.SO_REUSEADDR, Boolean.TRUE)
            //                
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childOption(ChannelOption.SO_KEEPALIVE, Boolean.TRUE)
            .childHandler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(NioSocketChannel ch) throws Exception {
                    NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec(), getUrl(), NettyServer.this);
                    ch.pipeline()//.addLast("logging",new LoggingHandler(LogLevel.INFO))//for debug
                            .addLast("decoder", adapter.getDecoder()).addLast("encoder", adapter.getEncoder())
                            .addLast("handler", nettyServerHandler);
                }
            });
    // bind
    ChannelFuture channelFuture = bootstrap.bind(getBindAddress());
    channelFuture.syncUninterruptibly();
    channel = channelFuture.channel();

}

---

From source file:com.alibaba.dubbo.rpc.protocol.rest.NettyServer.java

License:Apache License

protected void doStart(URL url) {
    String bindIp = url.getParameter(Constants.BIND_IP_KEY, url.getHost());
    if (!url.isAnyHost() && NetUtils.isValidLocalHost(bindIp)) {
        server.setHostname(bindIp);//from   www . jav a2 s  . c o m
    }
    server.setPort(url.getParameter(Constants.BIND_PORT_KEY, url.getPort()));
    Map<ChannelOption, Object> channelOption = new HashMap<ChannelOption, Object>();
    channelOption.put(ChannelOption.SO_KEEPALIVE,
            url.getParameter(Constants.KEEP_ALIVE_KEY, Constants.DEFAULT_KEEP_ALIVE));
    server.setChildChannelOptions(channelOption);
    server.setExecutorThreadCount(url.getParameter(Constants.THREADS_KEY, Constants.DEFAULT_THREADS));
    server.setIoWorkerCount(url.getParameter(Constants.IO_THREADS_KEY, Constants.DEFAULT_IO_THREADS));
    server.setMaxRequestSize(url.getParameter(Constants.PAYLOAD_KEY, Constants.DEFAULT_PAYLOAD));
    server.start();
}

---

From source file:com.alibaba.rocketmq.remoting.netty.NettyRemotingClient.java

License:Apache License

@Override
public void start() {
    this.defaultEventExecutorGroup = new DefaultEventExecutorGroup(//
            nettyClientConfig.getClientWorkerThreads(), //
            new ThreadFactory() {

                private AtomicInteger threadIndex = new AtomicInteger(0);

                @Override//from w w  w.ja  v a2 s.c  om
                public Thread newThread(Runnable r) {
                    return new Thread(r, "NettyClientWorkerThread_" + this.threadIndex.incrementAndGet());
                }
            });

    Bootstrap handler = this.bootstrap.group(this.eventLoopGroupWorker);//
    if (isLinux) {
        handler.channel(EpollSocketChannel.class);
    } else {
        handler.channel(NioSocketChannel.class);
    }
    //
    handler.option(ChannelOption.TCP_NODELAY, true)
            //
            .option(ChannelOption.SO_KEEPALIVE, false)
            //
            .option(ChannelOption.SO_SNDBUF, nettyClientConfig.getClientSocketSndBufSize())
            //
            .option(ChannelOption.SO_RCVBUF, nettyClientConfig.getClientSocketRcvBufSize())
            //
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(//
                            defaultEventExecutorGroup, //
                            new NettyEncoder(), //
                            new NettyDecoder(), //
                            new IdleStateHandler(0, 0, nettyClientConfig.getClientChannelMaxIdleTimeSeconds()), //
                            new NettyConnetManageHandler(), //
                            new NettyClientHandler());
                }
            });

    this.timer.scheduleAtFixedRate(new TimerTask() {

        @Override
        public void run() {
            try {
                NettyRemotingClient.this.scanResponseTable();
            } catch (Exception e) {
                log.error("scanResponseTable exception", e);
            }
        }
    }, 1000 * 3, 1000);

    if (this.channelEventListener != null) {
        this.nettyEventExecuter.start();
    }
}

---

From source file:com.alibaba.rocketmq.remoting.netty.NettyRemotingServer.java

License:Apache License

@Override
public void start() {
    this.defaultEventExecutorGroup = new DefaultEventExecutorGroup(//
            nettyServerConfig.getServerWorkerThreads(), //
            new ThreadFactory() {

                private AtomicInteger threadIndex = new AtomicInteger(0);

                @Override//from ww  w  . j  ava 2 s. c  om
                public Thread newThread(Runnable r) {
                    return new Thread(r, "NettyServerWorkerThread_" + this.threadIndex.incrementAndGet());
                }
            });

    ServerBootstrap childHandler = //
            this.serverBootstrap.group(this.eventLoopGroupBoss, this.eventLoopGroupWorker);
    if (isLinux) {
        childHandler.channel(EpollServerSocketChannel.class);
    } else {
        childHandler.channel(NioServerSocketChannel.class);
    }
    if (isLinux) {
        childHandler.option(EpollChannelOption.SO_REUSEPORT, true);
    }
    //
    childHandler.option(ChannelOption.SO_BACKLOG, 1024)
            //
            .option(ChannelOption.SO_REUSEADDR, true)
            //
            .option(ChannelOption.SO_KEEPALIVE, false)
            //
            .childOption(ChannelOption.TCP_NODELAY, true)
            //
            .option(ChannelOption.SO_SNDBUF, nettyServerConfig.getServerSocketSndBufSize())
            //
            .option(ChannelOption.SO_RCVBUF, nettyServerConfig.getServerSocketRcvBufSize())
            //
            .localAddress(new InetSocketAddress(this.nettyServerConfig.getListenPort()))
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(
                            //
                            defaultEventExecutorGroup, //
                            new NettyEncoder(), //
                            new NettyDecoder(), //
                            new IdleStateHandler(0, 0, nettyServerConfig.getServerChannelMaxIdleTimeSeconds()), //
                            new NettyConnetManageHandler(), //
                            new NettyServerHandler());
                }
            });

    if (nettyServerConfig.isServerPooledByteBufAllocatorEnable()) {
        // ????
        childHandler.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    }

    try {
        ChannelFuture sync = this.serverBootstrap.bind().sync();
        InetSocketAddress addr = (InetSocketAddress) sync.channel().localAddress();
        this.port = addr.getPort();
    } catch (InterruptedException e1) {
        throw new RuntimeException("this.serverBootstrap.bind().sync() InterruptedException", e1);
    }

    if (this.channelEventListener != null) {
        this.nettyEventExecuter.start();
    }

    // ?1??
    this.timer.scheduleAtFixedRate(new TimerTask() {

        @Override
        public void run() {
            try {
                NettyRemotingServer.this.scanResponseTable();
            } catch (Exception e) {
                log.error("scanResponseTable exception", e);
            }
        }
    }, 1000 * 3, 1000);
}

---

From source file:com.alibaba.rocketmq.remoting.netty.NettyUDPServer.java

License:Apache License

@Override
public void start() {
    this.defaultEventExecutorGroup = new DefaultEventExecutorGroup(//
            nettyServerConfig.getServerWorkerThreads(), //
            new ThreadFactory() {

                private AtomicInteger threadIndex = new AtomicInteger(0);

                @Override//  w  ww.ja va  2  s  .c om
                public Thread newThread(Runnable r) {
                    return new Thread(r, "NettyServerWorkerThread_" + this.threadIndex.incrementAndGet());
                }
            });

    Bootstrap childHandler = //
            this.serverBootstrap.group(this.eventLoopGroupWorker).channel(NioDatagramChannel.class)
                    //
                    .option(ChannelOption.SO_BACKLOG, 1024)
                    //
                    .option(ChannelOption.SO_REUSEADDR, true)
                    //
                    .option(ChannelOption.SO_KEEPALIVE, false)
                    //
                    .option(ChannelOption.SO_BROADCAST, true)
                    //
                    .option(ChannelOption.SO_SNDBUF, nettyServerConfig.getServerSocketSndBufSize())
                    //
                    .option(ChannelOption.SO_RCVBUF, nettyServerConfig.getServerSocketRcvBufSize())
                    //
                    .localAddress(new InetSocketAddress(this.nettyServerConfig.getListenUDPPort()))
                    .handler(new ChannelInitializer<DatagramChannel>() {
                        @Override
                        public void initChannel(DatagramChannel ch) throws Exception {
                            ch.pipeline().addLast(
                                    //
                                    defaultEventExecutorGroup, //
                                    new UDP2BufAdapt(), new NettyEncoder(), //
                                    //
                                    //new IdleStateHandler(0, 0, nettyServerConfig.getServerChannelMaxIdleTimeSeconds()),//
                                    //new NettyConnetManageHandler(), //
                                    new NettyServerHandler());
                        }
                    });

    if (nettyServerConfig.isServerPooledByteBufAllocatorEnable()) {
        // ????
        childHandler.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    }

    try {
        ChannelFuture sync = this.serverBootstrap.bind().sync();
        InetSocketAddress addr = (InetSocketAddress) sync.channel().localAddress();
        this.port = addr.getPort();
    } catch (InterruptedException e1) {
        throw new RuntimeException("this.serverBootstrap.bind().sync() InterruptedException", e1);
    }

    if (this.channelEventListener != null) {
        this.nettyEventExecuter.start();
    }

    // ?1??
    this.timer.scheduleAtFixedRate(new TimerTask() {

        @Override
        public void run() {
            try {
                NettyUDPServer.this.scanResponseTable();
            } catch (Exception e) {
                log.error("scanResponseTable exception", e);
            }
        }
    }, 1000 * 3, 1000);
}

---

From source file:com.allanbank.mongodb.netty.NettyTransportFactory.java

License:Apache License

/**
 * Creates a new {@link Bootstrap} for creating a Netty client
 * {@link Channel channels}.//from   w w w . ja  v a 2 s.c o  m
 *
 * @param config
 *            The configuration for the client.
 * @return The {@link Bootstrap} to create Netty client channels.
 */
protected Bootstrap createBootstrap(final MongoClientConfiguration config) {
    final Bootstrap bootstrap = new Bootstrap();

    bootstrap.channel(NioSocketChannel.class);
    bootstrap.option(ChannelOption.ALLOCATOR, myBufferAllocator);
    bootstrap.group(myGroup);

    // Suggested defaults.
    bootstrap.option(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, 32 * 1024);
    bootstrap.option(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, 8 * 1024);

    // Settings from the config.
    bootstrap.option(ChannelOption.SO_KEEPALIVE, Boolean.valueOf(config.isUsingSoKeepalive()));
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, Integer.valueOf(config.getConnectTimeout()));

    return bootstrap;
}

---

From source file:com.ancun.netty.httpserver.HttpServer.java

License:Apache License

private void setBootstrapOptions(ServerBootstrap bootstrap) {
    bootstrap.option(ChannelOption.SO_KEEPALIVE, useKeepAlive());
    bootstrap.option(ChannelOption.SO_BACKLOG, 1024);
    bootstrap.option(ChannelOption.TCP_NODELAY, useTcpNoDelay());
    bootstrap.option(ChannelOption.SO_KEEPALIVE, serverSettings.isKeepAlive());
    bootstrap.option(ChannelOption.SO_REUSEADDR, shouldReuseAddress());
    bootstrap.option(ChannelOption.SO_LINGER, getSoLinger());
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, getConnectTimeoutMillis());
    bootstrap.option(ChannelOption.SO_RCVBUF, getReceiveBufferSize());
    bootstrap.option(ChannelOption.MAX_MESSAGES_PER_READ, Integer.MAX_VALUE);

    bootstrap.childOption(ChannelOption.ALLOCATOR, new PooledByteBufAllocator(true));
    bootstrap.childOption(ChannelOption.MAX_MESSAGES_PER_READ, Integer.MAX_VALUE);
    bootstrap.childOption(ChannelOption.SO_RCVBUF, getReceiveBufferSize());
    bootstrap.childOption(ChannelOption.SO_REUSEADDR, shouldReuseAddress());
}

---

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