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:io.github.vastframework.pubsub.PubSubClient.java

License:Apache License

public void connect(String apiKey) {
    Bootstrap bootstrap = new Bootstrap();
    Class<? extends Channel> channelClazz;

    if (Epoll.isAvailable()) {
        channelClazz = EpollSocketChannel.class;
        eventLoopGroup = new EpollEventLoopGroup();
    } else {/*from  ww  w .j a  va2s .  c om*/
        channelClazz = NioSocketChannel.class;
        eventLoopGroup = new NioEventLoopGroup();
    }

    bootstrap.group(eventLoopGroup).channel(channelClazz).option(ChannelOption.SO_KEEPALIVE, true)
            // TODO: add function to get data class by topic and add handler
            .remoteAddress(host, port).connect();
}

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From source file:io.github.vastframework.pubsub.PubSubServer.java

License:Apache License

public void setup() {
    EventLoopGroup workerGroup;//  w  w w.j a v a2  s  .  co m
    EventLoopGroup bossGroup;
    Class<? extends ServerChannel> channelClazz;

    if (Epoll.isAvailable()) {
        workerGroup = new EpollEventLoopGroup();
        bossGroup = new EpollEventLoopGroup();
        channelClazz = EpollServerSocketChannel.class;
    } else {
        workerGroup = new NioEventLoopGroup();
        bossGroup = new NioEventLoopGroup();
        channelClazz = NioServerSocketChannel.class;
    }

    new ServerBootstrap().childOption(ChannelOption.SO_KEEPALIVE, true).option(ChannelOption.SO_BACKLOG, 12)
            .group(bossGroup, workerGroup).channel(channelClazz)
            // TODO: Add childHandler
            .bind(4444);
}

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From source file:io.grpc.netty.NettyClientTransportTest.java

License:Apache License

@Test
public void channelFactoryShouldSetSocketOptionKeepAlive() throws Exception {
    startServer();/*from   w ww  . j ava2  s.c  o  m*/
    NettyClientTransport transport = newTransport(newNegotiator(), DEFAULT_MAX_MESSAGE_SIZE,
            GrpcUtil.DEFAULT_MAX_HEADER_LIST_SIZE, "testUserAgent", true, TimeUnit.SECONDS.toNanos(10L),
            TimeUnit.SECONDS.toNanos(1L), new ReflectiveChannelFactory<>(NioSocketChannel.class), group);

    callMeMaybe(transport.start(clientTransportListener));

    assertThat(transport.channel().config().getOption(ChannelOption.SO_KEEPALIVE)).isTrue();
}

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From source file:io.grpc.netty.NettyClientTransportTest.java

License:Apache License

@Test
public void channelFactoryShouldNNotSetSocketOptionKeepAlive() throws Exception {
    startServer();/*from w ww  .  ja va2s .  c o m*/
    NettyClientTransport transport = newTransport(newNegotiator(), DEFAULT_MAX_MESSAGE_SIZE,
            GrpcUtil.DEFAULT_MAX_HEADER_LIST_SIZE, "testUserAgent", true, TimeUnit.SECONDS.toNanos(10L),
            TimeUnit.SECONDS.toNanos(1L), new ReflectiveChannelFactory<>(LocalChannel.class), group);

    callMeMaybe(transport.start(clientTransportListener));

    assertThat(transport.channel().config().getOption(ChannelOption.SO_KEEPALIVE)).isNull();
}

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From source file:io.grpc.netty.UtilsTest.java

License:Apache License

private static InternalChannelz.SocketOptions setAndValidateGeneric(Channel channel) {
    channel.config().setOption(ChannelOption.SO_LINGER, 3);
    // only applicable for OIO channels:
    channel.config().setOption(ChannelOption.SO_TIMEOUT, 250);
    // Test some arbitrarily chosen options with a non numeric values
    channel.config().setOption(ChannelOption.SO_KEEPALIVE, true);
    WriteBufferWaterMark writeBufWaterMark = new WriteBufferWaterMark(10, 20);
    channel.config().setOption(ChannelOption.WRITE_BUFFER_WATER_MARK, writeBufWaterMark);

    InternalChannelz.SocketOptions socketOptions = Utils.getSocketOptions(channel);
    assertEquals(3, (int) socketOptions.lingerSeconds);
    assertEquals("true", socketOptions.others.get("SO_KEEPALIVE"));
    assertEquals(writeBufWaterMark.toString(),
            socketOptions.others.get(ChannelOption.WRITE_BUFFER_WATER_MARK.toString()));
    return socketOptions;
}

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From source file:io.jsync.net.impl.TCPSSLHelper.java

License:Open Source License

public void applyConnectionOptions(ServerBootstrap bootstrap) {
    bootstrap.childOption(ChannelOption.TCP_NODELAY, tcpNoDelay);
    if (tcpSendBufferSize != -1) {
        bootstrap.childOption(ChannelOption.SO_SNDBUF, tcpSendBufferSize);
    }/*from   w  w  w.ja  v a2  s.  c om*/
    if (tcpReceiveBufferSize != -1) {
        bootstrap.childOption(ChannelOption.SO_RCVBUF, tcpReceiveBufferSize);
        bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR,
                new FixedRecvByteBufAllocator(tcpReceiveBufferSize));
    }

    // TODO this may not be needed
    if (soLinger != -1) {
        bootstrap.option(ChannelOption.SO_LINGER, soLinger);
    }
    if (trafficClass != -1) {
        bootstrap.childOption(ChannelOption.IP_TOS, trafficClass);
    }
    bootstrap.childOption(ChannelOption.ALLOCATOR, PartialPooledByteBufAllocator.INSTANCE);

    bootstrap.childOption(ChannelOption.SO_KEEPALIVE, tcpKeepAlive);
    bootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);
    bootstrap.option(ChannelOption.SO_BACKLOG, acceptBackLog);
}

---

From source file:io.jsync.net.impl.TCPSSLHelper.java

License:Open Source License

public void applyConnectionOptions(Bootstrap bootstrap) {
    bootstrap.option(ChannelOption.TCP_NODELAY, tcpNoDelay);
    if (tcpSendBufferSize != -1) {
        bootstrap.option(ChannelOption.SO_SNDBUF, tcpSendBufferSize);
    }//from ww w.  j a  v  a  2 s.c o  m
    if (tcpReceiveBufferSize != -1) {
        bootstrap.option(ChannelOption.SO_RCVBUF, tcpReceiveBufferSize);
        bootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, new FixedRecvByteBufAllocator(tcpReceiveBufferSize));
    }

    if (soLinger != -1) {
        bootstrap.option(ChannelOption.SO_LINGER, soLinger);
    }
    if (trafficClass != -1) {
        bootstrap.option(ChannelOption.IP_TOS, trafficClass);
    }
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout);
    bootstrap.option(ChannelOption.ALLOCATOR, PartialPooledByteBufAllocator.INSTANCE);
    bootstrap.option(ChannelOption.SO_KEEPALIVE, tcpKeepAlive);
}

---

From source file:io.lettuce.core.AbstractRedisClient.java

License:Apache License

/**
 * Populate connection builder with necessary resources.
 *
 * @param socketAddressSupplier address supplier for initial connect and re-connect
 * @param connectionBuilder connection builder to configure the connection
 * @param redisURI URI of the Redis instance
 *///from   w w  w  .j  a  va  2s. c o m
protected void connectionBuilder(Mono<SocketAddress> socketAddressSupplier, ConnectionBuilder connectionBuilder,
        RedisURI redisURI) {

    Bootstrap redisBootstrap = new Bootstrap();
    redisBootstrap.option(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, 32 * 1024);
    redisBootstrap.option(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, 8 * 1024);
    redisBootstrap.option(ChannelOption.ALLOCATOR, BUF_ALLOCATOR);

    SocketOptions socketOptions = getOptions().getSocketOptions();

    redisBootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS,
            Math.toIntExact(socketOptions.getConnectTimeout().toMillis()));

    if (LettuceStrings.isEmpty(redisURI.getSocket())) {
        redisBootstrap.option(ChannelOption.SO_KEEPALIVE, socketOptions.isKeepAlive());
        redisBootstrap.option(ChannelOption.TCP_NODELAY, socketOptions.isTcpNoDelay());
    }

    connectionBuilder.timeout(redisURI.getTimeout());
    connectionBuilder.password(redisURI.getPassword());

    connectionBuilder.bootstrap(redisBootstrap);
    connectionBuilder.channelGroup(channels).connectionEvents(connectionEvents).timer(timer);
    connectionBuilder.socketAddressSupplier(socketAddressSupplier);
}

---

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 {//  w w w  . ja  v a  2s .co  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.moquette.server.netty.NettyAcceptor.java

License:Open Source License

private void initFactory(String host, int port, final PipelineInitializer pipeliner) {
    ServerBootstrap b = new ServerBootstrap();
    b.group(m_bossGroup, m_workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override/*from   w ww  . ja v a  2s.  c  om*/
                public void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline pipeline = ch.pipeline();
                    try {
                        pipeliner.init(pipeline);
                    } catch (Throwable th) {
                        LOG.error("Severe error during pipeline creation", th);
                        throw th;
                    }
                }
            }).option(ChannelOption.SO_BACKLOG, 128).option(ChannelOption.SO_REUSEADDR, true)
            .option(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.SO_KEEPALIVE, true);
    try {
        // Bind and start to accept incoming connections.
        ChannelFuture f = b.bind(host, port);
        LOG.info("Server binded host: {}, port: {}", host, port);
        f.sync();
    } catch (InterruptedException ex) {
        LOG.error(null, ex);
    }
}

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