Example usage for io.netty.channel ChannelOption SO_LINGER

Introduction

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

Prototype

ChannelOption SO_LINGER

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

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Usage

From source file:io.maelstorm.server.ServerInit.java

License:Open Source License

public void start(String configFile, RequestHandler handler) throws Exception {
    LOG.info("Starting.");
    AppendableCharSequenceAddon.configure();
    try {//from  w w w  .j a va 2  s.  c  o  m
        System.in.close(); // Release a FD we don't need.
    } catch (Exception e) {
        LOG.warn("Failed to close stdin", e);
    }
    Properties prop = getProperties(configFile);
    requestDistributor = handler;
    requestDistributor.setInitializer(this);
    String os = System.getProperty("os.name").toLowerCase(Locale.UK).trim();
    if (os.startsWith("linux")) {
        bossGroup = (null == bossGroup) ? new EpollEventLoopGroup(1) : bossGroup;
        workerGroup = (null == workerGroup) ? new EpollEventLoopGroup(NUM_WORKER_THREADS) : workerGroup;
    } else {
        bossGroup = (null == bossGroup) ? new NioEventLoopGroup(1) : bossGroup;
        workerGroup = (null == workerGroup) ? new NioEventLoopGroup(NUM_WORKER_THREADS) : workerGroup;
    }

    String[] servers = prop.getProperty("servers").split(",");
    for (String server : servers) {

        try {
            controller = new ServerBootstrap();
            controller.group(bossGroup, workerGroup);
            if (os.startsWith("linux")) {
                controller.channel(EpollServerSocketChannel.class);
                controller.option(EpollChannelOption.TCP_CORK, true);
            } else {
                controller.channel(NioServerSocketChannel.class);
            }
            controller.childHandler(new PipelineFactory(handler, getPipelineConfig(prop, server)));
            controller.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
            controller.option(ChannelOption.RCVBUF_ALLOCATOR, AdaptiveRecvByteBufAllocator.DEFAULT);
            controller.option(ChannelOption.CONNECT_TIMEOUT_MILLIS,
                    getInt(prop, server, "connectTimeoutMillis"));
            controller.option(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, 64 * 1024);
            controller.option(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, 1 * 1024);
            controller.option(ChannelOption.SO_KEEPALIVE, getBoolean(prop, server, "SOKeepalive"));
            controller.option(ChannelOption.SO_REUSEADDR, true);
            controller.option(ChannelOption.TCP_NODELAY, true);
            controller.option(ChannelOption.SO_LINGER, 0);
            controller.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
            controller.childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, 64 * 1024);
            controller.childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, 10);
            controller.childOption(ChannelOption.SO_KEEPALIVE, true);
            controller.childOption(ChannelOption.SO_REUSEADDR, true);
            controller.childOption(ChannelOption.TCP_NODELAY, true);
            controller.childOption(ChannelOption.SO_LINGER, 0);
            controller.childOption(ChannelOption.SO_RCVBUF, 6291456);

            final InetSocketAddress addr = new InetSocketAddress(getInt(prop, server, "port"));
            ChannelFuture future = controller.bind(addr).sync();
            if (future.isSuccess())
                LOG.info("Server Ready to serve on " + addr);
            else
                throw new Exception("Address already in use");
        } catch (Throwable t) {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
            throw new RuntimeException("Initialization failed", t);
        }
    }
}

---

From source file:io.vertx.core.http.impl.HttpClientImpl.java

License:Open Source License

private void applyConnectionOptions(Bootstrap bootstrap) {
    bootstrap.option(ChannelOption.TCP_NODELAY, options.isTcpNoDelay());
    if (options.getSendBufferSize() != -1) {
        bootstrap.option(ChannelOption.SO_SNDBUF, options.getSendBufferSize());
    }//from   w ww .  j  av a 2  s . c o  m
    if (options.getReceiveBufferSize() != -1) {
        bootstrap.option(ChannelOption.SO_RCVBUF, options.getReceiveBufferSize());
        bootstrap.option(ChannelOption.RCVBUF_ALLOCATOR,
                new FixedRecvByteBufAllocator(options.getReceiveBufferSize()));
    }
    bootstrap.option(ChannelOption.SO_LINGER, options.getSoLinger());
    if (options.getTrafficClass() != -1) {
        bootstrap.option(ChannelOption.IP_TOS, options.getTrafficClass());
    }
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, options.getConnectTimeout());
    bootstrap.option(ChannelOption.ALLOCATOR, PartialPooledByteBufAllocator.INSTANCE);
    bootstrap.option(ChannelOption.SO_KEEPALIVE, options.isTcpKeepAlive());
    bootstrap.option(ChannelOption.SO_REUSEADDR, options.isReuseAddress());
}

---

From source file:io.vertx.core.net.impl.NetClientBase.java

License:Open Source License

private void applyConnectionOptions(Bootstrap bootstrap) {
    if (options.getLocalAddress() != null) {
        bootstrap.localAddress(options.getLocalAddress(), 0);
    }/*w  w w  .  jav a  2  s  .  c  o  m*/
    bootstrap.option(ChannelOption.TCP_NODELAY, options.isTcpNoDelay());
    if (options.getSendBufferSize() != -1) {
        bootstrap.option(ChannelOption.SO_SNDBUF, options.getSendBufferSize());
    }
    if (options.getReceiveBufferSize() != -1) {
        bootstrap.option(ChannelOption.SO_RCVBUF, options.getReceiveBufferSize());
        bootstrap.option(ChannelOption.RCVBUF_ALLOCATOR,
                new FixedRecvByteBufAllocator(options.getReceiveBufferSize()));
    }
    if (options.getSoLinger() != -1) {
        bootstrap.option(ChannelOption.SO_LINGER, options.getSoLinger());
    }
    if (options.getTrafficClass() != -1) {
        bootstrap.option(ChannelOption.IP_TOS, options.getTrafficClass());
    }
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, options.getConnectTimeout());
    bootstrap.option(ChannelOption.ALLOCATOR, PartialPooledByteBufAllocator.INSTANCE);
    bootstrap.option(ChannelOption.SO_KEEPALIVE, options.isTcpKeepAlive());
}

---

From source file:io.vertx.core.net.impl.NetServerBase.java

License:Open Source License

/**
 * Apply the connection option to the server.
 *
 * @param bootstrap the Netty server bootstrap
 *///from w  w  w.  j  a  va2s.c  o  m
protected void applyConnectionOptions(ServerBootstrap bootstrap) {
    bootstrap.childOption(ChannelOption.TCP_NODELAY, options.isTcpNoDelay());
    if (options.getSendBufferSize() != -1) {
        bootstrap.childOption(ChannelOption.SO_SNDBUF, options.getSendBufferSize());
    }
    if (options.getReceiveBufferSize() != -1) {
        bootstrap.childOption(ChannelOption.SO_RCVBUF, options.getReceiveBufferSize());
        bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR,
                new FixedRecvByteBufAllocator(options.getReceiveBufferSize()));
    }
    if (options.getSoLinger() != -1) {
        bootstrap.option(ChannelOption.SO_LINGER, options.getSoLinger());
    }
    if (options.getTrafficClass() != -1) {
        bootstrap.childOption(ChannelOption.IP_TOS, options.getTrafficClass());
    }
    bootstrap.childOption(ChannelOption.ALLOCATOR, PartialPooledByteBufAllocator.INSTANCE);

    bootstrap.childOption(ChannelOption.SO_KEEPALIVE, options.isTcpKeepAlive());
    bootstrap.option(ChannelOption.SO_REUSEADDR, options.isReuseAddress());
    if (options.getAcceptBacklog() != -1) {
        bootstrap.option(ChannelOption.SO_BACKLOG, options.getAcceptBacklog());
    }
}

---

From source file:io.vertx.core.net.impl.transport.Transport.java

License:Open Source License

public void configure(ClientOptionsBase options, Bootstrap bootstrap) {
    if (options.getLocalAddress() != null) {
        bootstrap.localAddress(options.getLocalAddress(), 0);
    }//from   w w  w .  j av  a2  s .co  m
    bootstrap.option(ChannelOption.TCP_NODELAY, options.isTcpNoDelay());
    if (options.getSendBufferSize() != -1) {
        bootstrap.option(ChannelOption.SO_SNDBUF, options.getSendBufferSize());
    }
    if (options.getReceiveBufferSize() != -1) {
        bootstrap.option(ChannelOption.SO_RCVBUF, options.getReceiveBufferSize());
        bootstrap.option(ChannelOption.RCVBUF_ALLOCATOR,
                new FixedRecvByteBufAllocator(options.getReceiveBufferSize()));
    }
    if (options.getSoLinger() != -1) {
        bootstrap.option(ChannelOption.SO_LINGER, options.getSoLinger());
    }
    if (options.getTrafficClass() != -1) {
        bootstrap.option(ChannelOption.IP_TOS, options.getTrafficClass());
    }
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, options.getConnectTimeout());
    bootstrap.option(ChannelOption.ALLOCATOR, PartialPooledByteBufAllocator.INSTANCE);
    bootstrap.option(ChannelOption.SO_KEEPALIVE, options.isTcpKeepAlive());
    bootstrap.option(ChannelOption.SO_REUSEADDR, options.isReuseAddress());
}

---

From source file:io.vertx.core.net.impl.transport.Transport.java

License:Open Source License

public void configure(NetServerOptions options, ServerBootstrap bootstrap) {
    bootstrap.childOption(ChannelOption.TCP_NODELAY, options.isTcpNoDelay());
    if (options.getSendBufferSize() != -1) {
        bootstrap.childOption(ChannelOption.SO_SNDBUF, options.getSendBufferSize());
    }// ww  w .  ja va2s  . c  om
    if (options.getReceiveBufferSize() != -1) {
        bootstrap.childOption(ChannelOption.SO_RCVBUF, options.getReceiveBufferSize());
        bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR,
                new FixedRecvByteBufAllocator(options.getReceiveBufferSize()));
    }
    if (options.getSoLinger() != -1) {
        bootstrap.childOption(ChannelOption.SO_LINGER, options.getSoLinger());
    }
    if (options.getTrafficClass() != -1) {
        bootstrap.childOption(ChannelOption.IP_TOS, options.getTrafficClass());
    }
    bootstrap.childOption(ChannelOption.ALLOCATOR, PartialPooledByteBufAllocator.INSTANCE);
    bootstrap.childOption(ChannelOption.SO_KEEPALIVE, options.isTcpKeepAlive());
    bootstrap.option(ChannelOption.SO_REUSEADDR, options.isReuseAddress());
    if (options.getAcceptBacklog() != -1) {
        bootstrap.option(ChannelOption.SO_BACKLOG, options.getAcceptBacklog());
    }
}

---

From source file:net.kuujo.copycat.netty.NettyTcpProtocolClient.java

License:Apache License

@Override
public CompletableFuture<Void> connect() {
    final CompletableFuture<Void> future = new CompletableFuture<>();
    if (channel != null) {
        future.complete(null);//from   ww  w  .  j a  v a2 s .  c  om
        return future;
    }

    final SslContext sslContext;
    if (protocol.isSsl()) {
        try {
            sslContext = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
        } catch (SSLException e) {
            future.completeExceptionally(e);
            return future;
        }
    } else {
        sslContext = null;
    }

    group = new NioEventLoopGroup(protocol.getThreads());
    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
        @Override
        protected void initChannel(SocketChannel channel) throws Exception {
            ChannelPipeline pipeline = channel.pipeline();
            if (sslContext != null) {
                pipeline.addLast(sslContext.newHandler(channel.alloc(), host, port));
            }
            pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1048576, 0, 4, 0, 4));
            pipeline.addLast("bytesDecoder", new ByteArrayDecoder());
            pipeline.addLast("frameEncoder", new LengthFieldPrepender(4));
            pipeline.addLast("bytesEncoder", new ByteArrayEncoder());
            pipeline.addLast("handler", channelHandler);
        }
    });

    if (protocol.getSendBufferSize() > -1) {
        bootstrap.option(ChannelOption.SO_SNDBUF, protocol.getSendBufferSize());
    }

    if (protocol.getReceiveBufferSize() > -1) {
        bootstrap.option(ChannelOption.SO_RCVBUF, protocol.getReceiveBufferSize());
    }

    if (protocol.getTrafficClass() > -1) {
        bootstrap.option(ChannelOption.IP_TOS, protocol.getTrafficClass());
    }

    bootstrap.option(ChannelOption.TCP_NODELAY, true);
    bootstrap.option(ChannelOption.SO_LINGER, protocol.getSoLinger());
    bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, protocol.getConnectTimeout());

    bootstrap.connect(host, port).addListener((ChannelFutureListener) channelFuture -> {
        if (channelFuture.isSuccess()) {
            channel = channelFuture.channel();
            future.complete(null);
        } else {
            future.completeExceptionally(channelFuture.cause());
        }
    });
    return future;
}

---

From source file:net.kuujo.copycat.netty.protocol.impl.TcpProtocolClient.java

License:Apache License

@Override
public CompletableFuture<Void> connect() {
    final CompletableFuture<Void> future = new CompletableFuture<>();
    if (channel != null) {
        future.complete(null);/*from   w w w. j  av a2s.  co  m*/
        return future;
    }

    final SslContext sslContext;
    if (protocol.isSsl()) {
        try {
            sslContext = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
        } catch (SSLException e) {
            future.completeExceptionally(e);
            return future;
        }
    } else {
        sslContext = null;
    }

    final EventLoopGroup group = new NioEventLoopGroup(protocol.getThreads());
    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
        @Override
        protected void initChannel(SocketChannel channel) throws Exception {
            ChannelPipeline pipeline = channel.pipeline();
            if (sslContext != null) {
                pipeline.addLast(
                        sslContext.newHandler(channel.alloc(), protocol.getHost(), protocol.getPort()));
            }
            pipeline.addLast(new ObjectEncoder(),
                    new ObjectDecoder(
                            ClassResolvers.softCachingConcurrentResolver(getClass().getClassLoader())),
                    new TcpProtocolClientHandler(TcpProtocolClient.this));
        }
    });

    if (protocol.getSendBufferSize() > -1) {
        bootstrap.option(ChannelOption.SO_SNDBUF, protocol.getSendBufferSize());
    }

    if (protocol.getReceiveBufferSize() > -1) {
        bootstrap.option(ChannelOption.SO_RCVBUF, protocol.getReceiveBufferSize());
    }

    if (protocol.getTrafficClass() > -1) {
        bootstrap.option(ChannelOption.IP_TOS, protocol.getTrafficClass());
    }

    bootstrap.option(ChannelOption.TCP_NODELAY, protocol.isNoDelay());
    bootstrap.option(ChannelOption.SO_LINGER, protocol.getSoLinger());
    bootstrap.option(ChannelOption.SO_KEEPALIVE, protocol.isKeepAlive());
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, protocol.getConnectTimeout());

    bootstrap.connect(protocol.getHost(), protocol.getPort()).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture channelFuture) throws Exception {
            if (channelFuture.isSuccess()) {
                channel = channelFuture.channel();
                future.complete(null);
            } else {
                future.completeExceptionally(channelFuture.cause());
            }
        }
    });
    return future;
}

---

From source file:net.qing.sms.simulator.NettySmsSimulatorServer.java

License:Apache License

protected void applyConnectionOptions(ServerBootstrap bootstrap) {
    SocketConfig config = configuration.getSocketConfig();
    bootstrap.childOption(ChannelOption.TCP_NODELAY, config.isTcpNoDelay());
    if (config.getTcpSendBufferSize() != -1) {
        bootstrap.childOption(ChannelOption.SO_SNDBUF, config.getTcpSendBufferSize());
    }/*from  w w w .  ja v  a 2 s .c  o m*/
    if (config.getTcpReceiveBufferSize() != -1) {
        bootstrap.childOption(ChannelOption.SO_RCVBUF, config.getTcpReceiveBufferSize());
    }
    // bootstrap.option(ChannelOption.ALLOCATOR,
    // PooledByteBufAllocator.DEFAULT);
    bootstrap.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    // bootstrap.childOption(ChannelOption.ALLOCATOR,
    // PooledByteBufAllocator.DEFAULT);
    bootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    bootstrap.childOption(ChannelOption.SO_KEEPALIVE, config.isTcpKeepAlive());
    bootstrap.option(ChannelOption.SO_LINGER, config.getSoLinger());
    bootstrap.option(ChannelOption.SO_REUSEADDR, config.isReuseAddress());
    bootstrap.option(ChannelOption.SO_BACKLOG, config.getAcceptBackLog());
}

---

From source file:net.tomp2p.connection.ChannelCreator.java

License:Apache License

/**
 * Creates a channel to the given address. This will setup the TCP
 * connection//from w w  w  .  ja v  a2s  .  c o  m
 * 
 * @param socketAddress
 *            The address to send future messages
 * @param connectionTimeoutMillis
 *            The timeout for establishing a TCP connection
 * @param channelHandlers
 *            The handlers to set
 * @param futureResponse
 *            the futureResponse
 * @return The channel future object or null if we are shut down.
 */
public ChannelFuture createTCP(final SocketAddress socketAddress, final int connectionTimeoutMillis,
        final Map<String, Pair<EventExecutorGroup, ChannelHandler>> channelHandlers,
        final FutureResponse futureResponse) {
    readTCP.lock();
    try {
        if (shutdownTCP) {
            return null;
        }
        if (!semaphoreTCP.tryAcquire()) {
            LOG.error("Tried to acquire more resources (TCP) than announced!");
            throw new RuntimeException("Tried to acquire more resources (TCP) than announced!");
        }
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectionTimeoutMillis);
        b.option(ChannelOption.TCP_NODELAY, true);
        b.option(ChannelOption.SO_LINGER, 0);
        b.option(ChannelOption.SO_REUSEADDR, true);
        Map<String, Pair<EventExecutorGroup, ChannelHandler>> channelHandlers2 = channelClientConfiguration
                .pipelineFilter().filter(channelHandlers, true, true);
        addHandlers(b, channelHandlers2);

        ChannelFuture channelFuture = b.connect(socketAddress,
                new InetSocketAddress(channelClientConfiguration.senderTCP(), 0));

        recipients.add(channelFuture.channel());
        setupCloseListener(channelFuture, semaphoreTCP, futureResponse);
        return channelFuture;
    } finally {
        readTCP.unlock();
    }
}

---

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