Example usage for io.netty.channel.epoll EpollChannelOption EPOLL_MODE

List of usage examples for io.netty.channel.epoll EpollChannelOption EPOLL_MODE

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Introduction

In this page you can find the example usage for io.netty.channel.epoll EpollChannelOption EPOLL_MODE.

Prototype

ChannelOption EPOLL_MODE

To view the source code for io.netty.channel.epoll EpollChannelOption EPOLL_MODE.

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Usage

From source file:alluxio.network.netty.NettyClient.java

License:Apache License

/**
 * Creates and returns a new Netty client bootstrap for clients to connect to remote servers.
 *
 * @param address the socket address//from  www  .  j a  v  a  2 s.c o m
 * @return the new client {@link Bootstrap}
 */
public static Bootstrap createClientBootstrap(SocketAddress address) {
    final Bootstrap boot = new Bootstrap();

    boot.group(WORKER_GROUP).channel(
            NettyUtils.getClientChannelClass(NettyUtils.CHANNEL_TYPE, !(address instanceof InetSocketAddress)));
    boot.option(ChannelOption.SO_KEEPALIVE, true);
    boot.option(ChannelOption.TCP_NODELAY, true);
    boot.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    if (NettyUtils.CHANNEL_TYPE == ChannelType.EPOLL) {
        boot.option(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    }

    // After 10 missed heartbeat attempts and no write activity, the server will close the channel.
    final long timeoutMs = Configuration.getMs(PropertyKey.NETWORK_NETTY_HEARTBEAT_TIMEOUT_MS);
    final long heartbeatPeriodMs = Math.max(timeoutMs / 10, 1);
    boot.handler(new ChannelInitializer<Channel>() {
        @Override
        public void initChannel(Channel ch) throws Exception {
            ChannelPipeline pipeline = ch.pipeline();

            pipeline.addLast(RPCMessage.createFrameDecoder());
            pipeline.addLast(ENCODER);
            pipeline.addLast(DECODER);
            pipeline.addLast(new IdleStateHandler(0, heartbeatPeriodMs, 0, TimeUnit.MILLISECONDS));
            pipeline.addLast(new IdleWriteHandler());
        }
    });

    return boot;
}

From source file:alluxio.worker.grpc.GrpcDataServer.java

License:Apache License

private GrpcServerBuilder createServerBuilder(String hostName, SocketAddress bindAddress, ChannelType type) {
    GrpcServerBuilder builder = GrpcServerBuilder.forAddress(hostName, bindAddress,
            ServerConfiguration.global(), ServerUserState.global());
    int bossThreadCount = ServerConfiguration.getInt(PropertyKey.WORKER_NETWORK_NETTY_BOSS_THREADS);

    // If number of worker threads is 0, Netty creates (#processors * 2) threads by default.
    int workerThreadCount = ServerConfiguration.getInt(PropertyKey.WORKER_NETWORK_NETTY_WORKER_THREADS);
    String dataServerEventLoopNamePrefix = "data-server-"
            + ((mSocketAddress instanceof DomainSocketAddress) ? "domain-socket" : "tcp-socket");
    mBossGroup = NettyUtils.createEventLoop(type, bossThreadCount, dataServerEventLoopNamePrefix + "-boss-%d",
            true);// w  w w .  j  a  v a 2 s . co  m
    mWorkerGroup = NettyUtils.createEventLoop(type, workerThreadCount,
            dataServerEventLoopNamePrefix + "-worker-%d", true);
    Class<? extends ServerChannel> socketChannelClass = NettyUtils
            .getServerChannelClass(mSocketAddress instanceof DomainSocketAddress, ServerConfiguration.global());
    if (type == ChannelType.EPOLL) {
        builder.withChildOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    }
    return builder.bossEventLoopGroup(mBossGroup).workerEventLoopGroup(mWorkerGroup)
            .channelType(socketChannelClass)
            .withChildOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            // set write buffer
            // this is the default, but its recommended to set it in case of change in future netty.
            .withChildOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK,
                    (int) ServerConfiguration.getBytes(PropertyKey.WORKER_NETWORK_NETTY_WATERMARK_HIGH))
            .withChildOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK,
                    (int) ServerConfiguration.getBytes(PropertyKey.WORKER_NETWORK_NETTY_WATERMARK_LOW));
}

From source file:com.yahoo.pulsar.broker.service.BrokerService.java

License:Apache License

public void start() throws Exception {
    this.producerNameGenerator = new DistributedIdGenerator(pulsar.getZkClient(), producerNameGeneratorPath,
            pulsar.getConfiguration().getClusterName());

    ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    bootstrap.group(acceptorGroup, workerGroup);
    bootstrap.childOption(ChannelOption.TCP_NODELAY, true);
    bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR,
            new AdaptiveRecvByteBufAllocator(1024, 16 * 1024, 1 * 1024 * 1024));

    if (workerGroup instanceof EpollEventLoopGroup) {
        bootstrap.channel(EpollServerSocketChannel.class);
        bootstrap.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    } else {//from  w  ww. ja v a 2  s . c  o  m
        bootstrap.channel(NioServerSocketChannel.class);
    }

    ServiceConfiguration serviceConfig = pulsar.getConfiguration();

    bootstrap.childHandler(new PulsarChannelInitializer(this, serviceConfig, false));
    // Bind and start to accept incoming connections.
    bootstrap.bind(new InetSocketAddress(pulsar.getBindAddress(), port)).sync();
    log.info("Started Pulsar Broker service on port {}", port);

    if (serviceConfig.isTlsEnabled()) {
        ServerBootstrap tlsBootstrap = bootstrap.clone();
        tlsBootstrap.childHandler(new PulsarChannelInitializer(this, serviceConfig, true));
        tlsBootstrap.bind(new InetSocketAddress(pulsar.getBindAddress(), tlsPort)).sync();
        log.info("Started Pulsar Broker TLS service on port {}", tlsPort);
    }

    // start other housekeeping functions
    this.startStatsUpdater();
    this.startInactivityMonitor();
    this.startMessageExpiryMonitor();
    this.startBacklogQuotaChecker();
}

From source file:com.yahoo.pulsar.discovery.service.DiscoveryService.java

License:Apache License

/**
 * starts server to handle discovery-request from client-channel
 * /*  www.ja v a 2  s .  c  o m*/
 * @throws Exception
 */
public void startServer() throws Exception {

    ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    bootstrap.group(acceptorGroup, workerGroup);
    bootstrap.childOption(ChannelOption.TCP_NODELAY, true);
    bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR,
            new AdaptiveRecvByteBufAllocator(1024, 16 * 1024, 1 * 1024 * 1024));

    if (workerGroup instanceof EpollEventLoopGroup) {
        bootstrap.channel(EpollServerSocketChannel.class);
        bootstrap.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    } else {
        bootstrap.channel(NioServerSocketChannel.class);
    }

    bootstrap.childHandler(new ServiceChannelInitializer(this, config, false));
    // Bind and start to accept incoming connections.
    bootstrap.bind(config.getServicePort()).sync();
    LOG.info("Started Pulsar Broker service on port {}", config.getWebServicePort());

    if (config.isTlsEnabled()) {
        ServerBootstrap tlsBootstrap = bootstrap.clone();
        tlsBootstrap.childHandler(new ServiceChannelInitializer(this, config, true));
        tlsBootstrap.bind(config.getServicePortTls()).sync();
        LOG.info("Started Pulsar Broker TLS service on port {}", config.getWebServicePortTls());
    }
}

From source file:de.jackwhite20.apex.tcp.ApexSocket.java

License:Open Source License

@Override
public Channel bootstrap(EventLoopGroup bossGroup, EventLoopGroup workerGroup, String ip, int port, int backlog,
        int readTimeout, int writeTimeout) throws Exception {

    logger.info("Bootstrapping socket server");

    ServerBootstrap bootstrap = new ServerBootstrap().group(bossGroup, workerGroup)
            .channel(PipelineUtils.getServerChannel())
            .childHandler(new ApexSocketChannelInitializer(readTimeout, writeTimeout))
            .childOption(ChannelOption.AUTO_READ, false);

    if (PipelineUtils.isEpoll()) {
        bootstrap.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);

        logger.debug("Epoll mode is now level triggered");
    }//from  w ww .  ja va2  s  .  co m

    return bootstrap.option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_BACKLOG, backlog)
            .bind(ip, port).sync().channel();
}

From source file:de.jackwhite20.apex.udp.ApexDatagram.java

License:Open Source License

@Override
public Channel bootstrap(EventLoopGroup bossGroup, EventLoopGroup workerGroup, String ip, int port, int backlog,
        int readTimeout, int writeTimeout) throws Exception {

    logger.info("Bootstrapping datagram server");

    Bootstrap bootstrap = new Bootstrap().group(workerGroup).channel(PipelineUtils.getDatagramChannel())
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .handler(new DatagramUpstreamHandler());

    if (PipelineUtils.isEpoll()) {
        bootstrap.option(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);

        logger.debug("Epoll mode is now level triggered");
    }/*from   w  w  w. j  a v  a 2 s.c  o  m*/

    return bootstrap.bind(ip, port).sync().channel();
}

From source file:org.apache.pulsar.common.util.netty.EventLoopUtil.java

License:Apache License

public static void enableTriggeredMode(ServerBootstrap bootstrap) {
    if (Epoll.isAvailable()) {
        bootstrap.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    }//from ww w.  j a v  a 2 s.  c  om
}

From source file:org.opendaylight.protocol.bgp.rib.impl.BGPDispatcherImpl.java

License:Open Source License

protected Bootstrap createClientBootStrap(final Optional<KeyMapping> keys, final EventLoopGroup workerGroup) {
    final Bootstrap bootstrap = new Bootstrap();
    if (Epoll.isAvailable()) {
        bootstrap.channel(EpollSocketChannel.class);
        bootstrap.option(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    } else {/*w  ww.j av  a  2  s  . com*/
        bootstrap.channel(NioSocketChannel.class);
    }
    if (keys.isPresent()) {
        if (Epoll.isAvailable()) {
            bootstrap.option(EpollChannelOption.TCP_MD5SIG, keys.get());
        } else {
            throw new UnsupportedOperationException(Epoll.unavailabilityCause().getCause());
        }
    }

    // Make sure we are doing round-robin processing
    bootstrap.option(ChannelOption.MAX_MESSAGES_PER_READ, 1);
    bootstrap.option(ChannelOption.SO_KEEPALIVE, Boolean.TRUE);
    bootstrap.option(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, HIGH_WATER_MARK);
    bootstrap.option(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, LOW_WATER_MARK);

    if (bootstrap.group() == null) {
        bootstrap.group(workerGroup);
    }

    return bootstrap;
}

From source file:org.opendaylight.protocol.bgp.rib.impl.BGPDispatcherImpl.java

License:Open Source License

public static ServerBootstrap createServerBootstrap(final ChannelPipelineInitializer initializer,
        final EventLoopGroup bossGroup, final EventLoopGroup workerGroup) {
    final ServerBootstrap serverBootstrap = new ServerBootstrap();
    if (Epoll.isAvailable()) {
        serverBootstrap.channel(EpollServerSocketChannel.class);
        serverBootstrap.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    } else {//  www  .j a v  a2 s .  c  o  m
        serverBootstrap.channel(NioServerSocketChannel.class);
    }
    final ChannelHandler serverChannelHandler = BGPChannel.createServerChannelHandler(initializer);
    serverBootstrap.childHandler(serverChannelHandler);

    serverBootstrap.option(ChannelOption.SO_BACKLOG, Integer.valueOf(SOCKET_BACKLOG_SIZE));
    serverBootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    serverBootstrap.childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, HIGH_WATER_MARK);
    serverBootstrap.childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, LOW_WATER_MARK);

    // Make sure we are doing round-robin processing
    serverBootstrap.option(ChannelOption.MAX_MESSAGES_PER_READ, 1);

    if (serverBootstrap.group() == null) {
        serverBootstrap.group(bossGroup, workerGroup);
    }
    return serverBootstrap;
}

From source file:org.opendaylight.protocol.pcep.impl.PCEPDispatcherImpl.java

License:Open Source License

protected ServerBootstrap createServerBootstrap(final ChannelPipelineInitializer initializer) {
    final ServerBootstrap b = new ServerBootstrap();
    b.childHandler(new ChannelInitializer<SocketChannel>() {
        @Override/*from  w w w.  j  a  v  a  2s.  c  om*/
        protected void initChannel(final SocketChannel ch) {
            initializer.initializeChannel(ch, new DefaultPromise(PCEPDispatcherImpl.this.executor));
        }
    });
    b.option(ChannelOption.SO_BACKLOG, SOCKET_BACKLOG_SIZE);

    b.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);

    if (Epoll.isAvailable()) {
        b.channel(EpollServerSocketChannel.class);
        b.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    } else {
        b.channel(NioServerSocketChannel.class);
    }
    if (this.keys.isPresent()) {
        if (Epoll.isAvailable()) {
            b.option(EpollChannelOption.TCP_MD5SIG, this.keys.get());
        } else {
            throw new UnsupportedOperationException(Epoll.unavailabilityCause().getCause());
        }
    }

    // Make sure we are doing round-robin processing
    b.childOption(ChannelOption.MAX_MESSAGES_PER_READ, 1);

    if (b.group() == null) {
        b.group(this.bossGroup, this.workerGroup);
    }

    return b;
}