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.weibo.api.motan.transport.netty.NettyServer.java

License:Apache License

private synchronized void initServerBootstrap() {
    boolean shareChannel = url.getBooleanParameter(URLParamType.shareChannel.getName(),
            URLParamType.shareChannel.getBooleanValue());
    final int maxContentLength = url.getIntParameter(URLParamType.maxContentLength.getName(),
            URLParamType.maxContentLength.getIntValue());
    int maxServerConnection = url.getIntParameter(URLParamType.maxServerConnection.getName(),
            URLParamType.maxServerConnection.getIntValue());
    int workerQueueSize = url.getIntParameter(URLParamType.workerQueueSize.getName(),
            URLParamType.workerQueueSize.getIntValue());

    int minWorkerThread = 0, maxWorkerThread = 0;

    if (shareChannel) {
        minWorkerThread = url.getIntParameter(URLParamType.minWorkerThread.getName(),
                MotanConstants.NETTY_SHARECHANNEL_MIN_WORKDER);
        maxWorkerThread = url.getIntParameter(URLParamType.maxWorkerThread.getName(),
                MotanConstants.NETTY_SHARECHANNEL_MAX_WORKDER);
    } else {/*from   www.j  a v a2s.c om*/
        minWorkerThread = url.getIntParameter(URLParamType.minWorkerThread.getName(),
                MotanConstants.NETTY_NOT_SHARECHANNEL_MIN_WORKDER);
        maxWorkerThread = url.getIntParameter(URLParamType.maxWorkerThread.getName(),
                MotanConstants.NETTY_NOT_SHARECHANNEL_MAX_WORKDER);
    }

    standardThreadExecutor = (standardThreadExecutor != null && !standardThreadExecutor.isShutdown())
            ? standardThreadExecutor
            : new StandardThreadExecutor(minWorkerThread, maxWorkerThread, workerQueueSize,
                    new DefaultThreadFactory("NettyServer-" + url.getServerPortStr(), true));
    standardThreadExecutor.prestartAllCoreThreads();

    // ?? 
    channelManage = new NettyServerChannelManage(maxServerConnection);

    final NettyChannelHandler handler = new NettyChannelHandler(NettyServer.this, messageHandler,
            standardThreadExecutor);

    EventLoopGroup bossGroup = new NioEventLoopGroup(1, new ThreadFactory() {
        private AtomicInteger threadIndex = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            return new Thread(r, String.format("NettyBoss_%d", this.threadIndex.incrementAndGet()));
        }
    });

    EventLoopGroup workerGroup = new NioEventLoopGroup();

    bootstrap = new ServerBootstrap();
    bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(channelManage);
                    ch.pipeline().addLast(new NettyEncoder(codec, NettyServer.this));

                    ch.pipeline().addLast(new NettyDecoder(codec, NettyServer.this, maxContentLength));
                    ch.pipeline().addLast(handler);
                }
            });
}

---

From source file:com.weibo.api.motan.transport.netty4.client.Netty4Client.java

License:Apache License

/**
 * ? netty clientBootstrap//from   ww  w  .  j ava  2 s.c o  m
 */
private void initClientBootstrap() {
    bootstrap = new Bootstrap();

    NioEventLoopGroup group = new NioEventLoopGroup();
    bootstrap.group(group).channel(NioSocketChannel.class)
            .handler(new Netty4ClientInitializer(url, codec, this));

    bootstrap.option(ChannelOption.TCP_NODELAY, true);
    bootstrap.option(ChannelOption.SO_KEEPALIVE, true);

    /* ?connectTimeout500msnetty nio?BossThread?
       ?timeout?
     */
    int timeout = getUrl().getIntParameter(URLParamType.requestTimeout.getName(),
            URLParamType.requestTimeout.getIntValue());
    if (timeout <= 0) {
        throw new MotanFrameworkException("NettyClient init Error: timeout(" + timeout + ") <= 0 is forbid.",
                MotanErrorMsgConstant.FRAMEWORK_INIT_ERROR);
    }
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, timeout);
}

---

From source file:com.weibo.api.motan.transport.netty4.http.Netty4HttpServer.java

License:Apache License

@Override
public boolean open() {
    if (isAvailable()) {
        return true;
    }/*from ww w.  j  a v a2  s  . co  m*/
    if (channel != null) {
        channel.close();
    }
    if (bossGroup == null) {
        bossGroup = new NioEventLoopGroup();
        workerGroup = new NioEventLoopGroup();
    }
    boolean shareChannel = url.getBooleanParameter(URLParamType.shareChannel.getName(),
            URLParamType.shareChannel.getBooleanValue());
    // TODO max connection protect
    int maxServerConnection = url.getIntParameter(URLParamType.maxServerConnection.getName(),
            URLParamType.maxServerConnection.getIntValue());
    int workerQueueSize = url.getIntParameter(URLParamType.workerQueueSize.getName(), 500);

    int minWorkerThread = 0, maxWorkerThread = 0;

    if (shareChannel) {
        minWorkerThread = url.getIntParameter(URLParamType.minWorkerThread.getName(),
                MotanConstants.NETTY_SHARECHANNEL_MIN_WORKDER);
        maxWorkerThread = url.getIntParameter(URLParamType.maxWorkerThread.getName(),
                MotanConstants.NETTY_SHARECHANNEL_MAX_WORKDER);
    } else {
        minWorkerThread = url.getIntParameter(URLParamType.minWorkerThread.getName(),
                MotanConstants.NETTY_NOT_SHARECHANNEL_MIN_WORKDER);
        maxWorkerThread = url.getIntParameter(URLParamType.maxWorkerThread.getName(),
                MotanConstants.NETTY_NOT_SHARECHANNEL_MAX_WORKDER);
    }
    final int maxContentLength = url.getIntParameter(URLParamType.maxContentLength.getName(),
            URLParamType.maxContentLength.getIntValue());
    final NettyHttpRequestHandler handler = new NettyHttpRequestHandler(this, messageHandler,
            new ThreadPoolExecutor(minWorkerThread, maxWorkerThread, 15, TimeUnit.SECONDS,
                    new ArrayBlockingQueue<Runnable>(workerQueueSize)));

    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("http-decoder", new HttpRequestDecoder());
                    ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(maxContentLength));
                    ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                    ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                    ch.pipeline().addLast("serverHandler", handler);
                }
            }).option(ChannelOption.SO_BACKLOG, 1024).childOption(ChannelOption.SO_KEEPALIVE, false);

    ChannelFuture f;
    try {
        f = b.bind(url.getPort()).sync();
        channel = f.channel();
    } catch (InterruptedException e) {
        LoggerUtil.error("init http server fail.", e);
        return false;
    }
    state = ChannelState.ALIVE;
    StatsUtil.registryStatisticCallback(this);
    LoggerUtil.info("Netty4HttpServer ServerChannel finish Open: url=" + url);
    return true;
}

---

From source file:com.weibo.yar.yarserver.NettyYarServer.java

License:Apache License

public void start(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//w  w w . j a v a2 s.  com
        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("http-decoder", new HttpRequestDecoder());
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        ch.pipeline().addLast("serverHandler", new HttpServerHandler());
                    }
                }).option(ChannelOption.SO_BACKLOG, 1024).childOption(ChannelOption.SO_KEEPALIVE, true);

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

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

---

From source file:com.wolfbe.configcenter.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/* w  w w.j a v  a2s  .  co  m*/
                public Thread newThread(Runnable r) {
                    return new Thread(r, "NettyClientWorkerThread_" + this.threadIndex.incrementAndGet());
                }
            });

    Bootstrap handler = this.bootstrap.group(this.eventLoopGroupWorker).channel(NioSocketChannel.class)//
            //
            .option(ChannelOption.TCP_NODELAY, true)
            //
            .option(ChannelOption.SO_KEEPALIVE, false)
            //
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, nettyClientConfig.getConnectTimeoutMillis())
            //
            .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.wolfbe.configcenter.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  a  v a2s . com*/
                public Thread newThread(Runnable r) {
                    return new Thread(r, "NettyServerCodecThread_" + this.threadIndex.incrementAndGet());
                }
            });

    ServerBootstrap childHandler = //
            this.serverBootstrap.group(this.eventLoopGroupBoss, this.eventLoopGroupSelector)
                    .channel(NioServerSocketChannel.class)
                    //
                    .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();
    }

    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.xiovr.unibot.bot.network.impl.BotConnectionServerImpl.java

License:Open Source License

@Override
public void init(@NonNull NioEventLoopGroup workerGroup, @NonNull BotContext botContext, int stage) {
    this.botContext = botContext;
    this.workerGroup = workerGroup;
    this.stage = stage;

    bs = new Bootstrap();
    bs.group(workerGroup);/* w w  w. j a  va2s .  co m*/
    bs.channel(NioSocketChannel.class);
    bs.option(ChannelOption.SO_KEEPALIVE, true);
    bs.handler(new ChannelInitializer<SocketChannel>() {
        @Override
        protected void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast(new ConnectionDecoderImpl(), new ConnectionEncoderImpl(),
                    new ServerConnectionHandlerImpl(BotConnectionServerImpl.this.botContext,
                            BotConnectionServerImpl.this.stage));
        }
    });
}

---

From source file:com.xiovr.unibot.bot.network.impl.ConnectionFactoryImpl.java

License:Open Source License

@Override
public void createProxyListeners(@NonNull List<BotContext> proxyBots) {

    // Start boss client listeners
    for (int stage = 0; stage < botEnvironment.getClientAddresses().size(); ++stage) {
        EventsGroup eg = new EventsGroup();

        bs = new ServerBootstrap();
        bs.group(eg.bossClientEventGroup, eg.clientEventGroup);
        bs.channel(NioServerSocketChannel.class);
        bs.childHandler(new ClientConnectionChannelInitializer(proxyBots, stage));
        bs.option(ChannelOption.SO_BACKLOG, 128);
        bs.childOption(ChannelOption.SO_KEEPALIVE, true);
        ChannelFuture cf = bs.bind(botEnvironment.getClientAddresses().get(stage));

        eventsList.add(eg);/*from w w  w .  jav a  2  s  . c om*/
        bossFutures.add(cf);
    }
}

---

From source file:com.xx_dev.apn.socks.remote.SocksServerConnectHandler.java

License:Apache License

@Override
public void channelRead0(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception {
    Promise<Channel> promise = ctx.executor().newPromise();
    promise.addListener(new GenericFutureListener<Future<Channel>>() {
        @Override/*from   w w  w.ja  va 2 s .  c o m*/
        public void operationComplete(final Future<Channel> future) throws Exception {
            final Channel outboundChannel = future.getNow();
            if (future.isSuccess()) {
                restLogger.info(request.host() + ":" + request.port() + "," + "T");
                ctx.channel().writeAndFlush(new SocksCmdResponse(SocksCmdStatus.SUCCESS, request.addressType()))
                        .addListener(new ChannelFutureListener() {
                            @Override
                            public void operationComplete(ChannelFuture channelFuture) {
                                ctx.pipeline().remove(SocksServerConnectHandler.this);
                                outboundChannel.pipeline().addLast(new RelayHandler(ctx.channel()));
                                ctx.pipeline().addLast(new RelayHandler(outboundChannel));
                            }
                        });
            } else {
                restLogger.info(request.host() + ":" + request.port() + "," + "F");
                ctx.channel()
                        .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));
                SocksServerUtils.closeOnFlush(ctx.channel());
            }
        }
    });

    final Channel inboundChannel = ctx.channel();
    b.group(inboundChannel.eventLoop()).channel(NioSocketChannel.class)
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000).option(ChannelOption.SO_KEEPALIVE, true)
            .handler(new DirectClientHandler(promise));

    b.connect(request.host(), request.port()).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                // Connection established use handler provided results
            } else {
                // Close the connection if the connection attempt has failed.
                restLogger.info(request.host() + ":" + request.port() + "," + "F");
                ctx.channel()
                        .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));
                SocksServerUtils.closeOnFlush(ctx.channel());
            }
        }
    });
}

---

From source file:com.xx_dev.apn.socks.test.SocksClient.java

License:Apache License

public static void main(String[] args) throws Throwable {
    EventLoopGroup group = new NioEventLoopGroup();

    Bootstrap b = new Bootstrap();
    b.group(group).channel(NioSocketChannel.class).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
            .option(ChannelOption.SO_KEEPALIVE, true).handler(new SocksClientInitializer());

    // Make the connection attempt.
    b.connect("112.124.38.73", 8888).sync().channel().closeFuture().sync();

    group.shutdownGracefully();/* ww  w  .jav  a  2s. c om*/
}

---

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