Example usage for io.netty.channel.socket DatagramChannel joinGroup

List of usage examples for io.netty.channel.socket DatagramChannel joinGroup

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Introduction

In this page you can find the example usage for io.netty.channel.socket DatagramChannel joinGroup.

Prototype

ChannelFuture joinGroup(InetSocketAddress multicastAddress, NetworkInterface networkInterface);

Source Link

Document

Joins the specified multicast group at the specified interface and notifies the ChannelFuture once the operation completes.

Usage

From source file:org.apache.camel.component.netty4.SingleUDPNettyServerBootstrapFactory.java

License:Apache License

protected void startServerBootstrap() throws Exception {
    // create non-shared worker pool
    EventLoopGroup wg = configuration.getWorkerGroup();
    if (wg == null) {
        // create new pool which we should shutdown when stopping as its not shared
        workerGroup = new NettyWorkerPoolBuilder().withWorkerCount(configuration.getWorkerCount())
                .withName("NettyServerTCPWorker").build();
        wg = workerGroup;/*from   w w  w .  j  ava2  s.  c om*/
    }

    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(wg).channel(NioDatagramChannel.class);
    // We cannot set the child option here      
    bootstrap.option(ChannelOption.SO_REUSEADDR, configuration.isReuseAddress());
    bootstrap.option(ChannelOption.SO_SNDBUF, configuration.getSendBufferSize());
    bootstrap.option(ChannelOption.SO_RCVBUF, configuration.getReceiveBufferSize());
    bootstrap.option(ChannelOption.SO_BROADCAST, configuration.isBroadcast());
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, configuration.getConnectTimeout());

    // TODO need to find the right setting of below option
    // only set this if user has specified
    /*
    if (configuration.getReceiveBufferSizePredictor() > 0) {
    bootstrap.setOption("receiveBufferSizePredictorFactory",
            new FixedReceiveBufferSizePredictorFactory(configuration.getReceiveBufferSizePredictor()));
    }*/

    if (configuration.getBacklog() > 0) {
        bootstrap.option(ChannelOption.SO_BACKLOG, configuration.getBacklog());
    }

    //TODO need to check the additional netty options
    /*
    if (configuration.getOptions() != null) {
    for (Map.Entry<String, Object> entry : configuration.getOptions().entrySet()) {
        connectionlessBootstrap.setOption(entry.getKey(), entry.getValue());
    }
    }*/

    LOG.debug("Created ConnectionlessBootstrap {}", bootstrap);

    // set the pipeline factory, which creates the pipeline for each newly created channels
    bootstrap.handler(pipelineFactory);

    InetSocketAddress hostAddress = new InetSocketAddress(configuration.getHost(), configuration.getPort());
    SubnetUtils multicastSubnet = new SubnetUtils(MULTICAST_SUBNET);

    if (multicastSubnet.getInfo().isInRange(configuration.getHost())) {
        ChannelFuture channelFuture = bootstrap.bind(hostAddress);
        channelFuture.awaitUninterruptibly();
        channel = channelFuture.channel();
        DatagramChannel datagramChannel = (DatagramChannel) channel;
        String networkInterface = configuration.getNetworkInterface() == null ? LOOPBACK_INTERFACE
                : configuration.getNetworkInterface();
        multicastNetworkInterface = NetworkInterface.getByName(networkInterface);
        ObjectHelper.notNull(multicastNetworkInterface,
                "No network interface found for '" + networkInterface + "'.");
        LOG.info("ConnectionlessBootstrap joining {}:{} using network interface: {}", new Object[] {
                configuration.getHost(), configuration.getPort(), multicastNetworkInterface.getName() });
        datagramChannel.joinGroup(hostAddress, multicastNetworkInterface).syncUninterruptibly();
        allChannels.add(datagramChannel);
    } else {
        LOG.info("ConnectionlessBootstrap binding to {}:{}", configuration.getHost(), configuration.getPort());
        ChannelFuture channelFuture = bootstrap.bind(hostAddress);
        channelFuture.awaitUninterruptibly();
        channel = channelFuture.channel();
        allChannels.add(channel);
    }
}

From source file:org.hawkular.metrics.clients.ptrans.PTrans.java

License:Apache License

/**
 * Starts this PTrans instance. the calling thread will be blocked until another thread calls {@link #stop()}.
 *//*w ww. j a v  a  2s. c om*/
public void start() {
    LOG.info("Starting ptrans...");

    Set<Service> services = configuration.getServices();
    List<ChannelFuture> closeFutures = new ArrayList<>(services.size());

    if (services.contains(Service.TCP)) {
        ServerBootstrap serverBootstrap = new ServerBootstrap().group(group, workerGroup)
                .channel(NioServerSocketChannel.class).localAddress(configuration.getTcpPort())
                .childHandler(new TcpChannelInitializer(configuration, forwardingHandler));
        ChannelFuture tcpBindFuture = serverBootstrap.bind().syncUninterruptibly();
        LOG.info("Server listening on TCP {}", tcpBindFuture.channel().localAddress());
        closeFutures.add(tcpBindFuture.channel().closeFuture());
    }

    if (services.contains(Service.UDP)) {
        Bootstrap udpBootstrap = new Bootstrap().group(group).channel(NioDatagramChannel.class)
                .localAddress(configuration.getUdpPort()).handler(new UdpChannelInitializer(forwardingHandler));
        ChannelFuture udpBindFuture = udpBootstrap.bind().syncUninterruptibly();
        LOG.info("Syslogd listening on UDP {}", udpBindFuture.channel().localAddress());
        closeFutures.add(udpBindFuture.channel().closeFuture());
    }

    if (services.contains(Service.GANGLIA)) {
        NetworkInterface mcIf;
        try {
            String multicastIfOverride = configuration.getMulticastIfOverride();
            if (multicastIfOverride == null) {
                Inet4Address hostAddr = (Inet4Address) InetAddress.getLocalHost();
                mcIf = NetworkInterface.getByInetAddress(hostAddr);
            } else {
                mcIf = NetworkInterface.getByName(multicastIfOverride);
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        InetSocketAddress gangliaSocket = new InetSocketAddress(configuration.getGangliaGroup(),
                configuration.getGangliaPort());
        Bootstrap gangliaBootstrap = new Bootstrap().group(group).channel(NioDatagramChannel.class)
                .option(ChannelOption.SO_REUSEADDR, true).option(ChannelOption.IP_MULTICAST_IF, mcIf)
                .localAddress(gangliaSocket)
                .handler(new GangliaChannelInitializer(configuration, forwardingHandler));
        LOG.trace("Ganglia bootstrap is {}", gangliaBootstrap);
        ChannelFuture gangliaBindFuture = gangliaBootstrap.bind().syncUninterruptibly();
        LOG.info("Ganglia listening on UDP {}", gangliaBindFuture.channel().localAddress());
        DatagramChannel gangliaChannel = (DatagramChannel) gangliaBindFuture.channel();
        gangliaChannel.joinGroup(gangliaSocket, mcIf);
        LOG.trace("Joined the Ganglia group");
        closeFutures.add(gangliaChannel.closeFuture());
    }

    if (services.contains(Service.STATSD)) {
        Bootstrap statsdBootstrap = new Bootstrap().group(group).channel(NioDatagramChannel.class)
                .localAddress(configuration.getStatsDport())
                .handler(new StatsdChannelInitializer(configuration, forwardingHandler));
        ChannelFuture statsdBindFuture = statsdBootstrap.bind().syncUninterruptibly();
        LOG.info("Statsd listening on UDP {}", statsdBindFuture.channel().localAddress());
        closeFutures.add(statsdBindFuture.channel().closeFuture());
    }

    if (services.contains(Service.COLLECTD)) {
        Bootstrap collectdBootstrap = new Bootstrap().group(group).channel(NioDatagramChannel.class)
                .localAddress(configuration.getCollectdPort())
                .handler(new CollectdChannelInitializer(configuration, forwardingHandler));
        ChannelFuture collectdBindFuture = collectdBootstrap.bind().syncUninterruptibly();
        LOG.info("Collectd listening on UDP {}", collectdBindFuture.channel().localAddress());
        closeFutures.add(collectdBindFuture.channel().closeFuture());
    }

    LOG.info("ptrans started");

    closeFutures.forEach(ChannelFuture::syncUninterruptibly);
}

From source file:picoview.collectd.CollectClient.java

License:Apache License

@Override
public void initialize() throws RuntimeException {
    NetworkInterface nic;/* ww w  . ja v a  2 s.c o  m*/
    try {
        if (StringUtils.isBlank(nicName)) {
            nic = NetworkInterface.getByIndex(0);
        } else {
            nic = NetworkInterface.getByName(nicName);
        }
    } catch (SocketException exep) {
        throw new RuntimeException("unable to determine network interface to use", exep);
    }

    Bootstrap bs = new Bootstrap();
    bs.option(ChannelOption.SO_BROADCAST, true);
    bs.option(ChannelOption.SO_REUSEADDR, true);
    bs.option(ChannelOption.IP_MULTICAST_LOOP_DISABLED, false);
    bs.option(ChannelOption.SO_RCVBUF, 2048);
    bs.option(ChannelOption.IP_MULTICAST_TTL, 255);

    bs.group(new NioEventLoopGroup());

    bs.channelFactory(new ChannelFactory<Channel>() {
        public Channel newChannel() {
            return new NioDatagramChannel(InternetProtocolFamily.IPv4);
        }
    });
    bs.handler(new ChannelInitializer<DatagramChannel>() {
        @Override
        public void initChannel(DatagramChannel channel) throws Exception {
            channel.pipeline().addLast(new CollectChannelHandler());
        }
    });

    if (StringUtils.isBlank(multicastHost)) {
        multicastHost = "239.192.74.66";
    }
    if (multicastPort <= 0) {
        multicastPort = 25826;
    }

    try {
        DatagramChannel dch = (DatagramChannel) bs.bind(multicastPort).sync().channel();
        ChannelFuture cf = dch.joinGroup(new InetSocketAddress(multicastHost, multicastPort), nic).sync();
        if (!cf.isSuccess()) {
            throw new RuntimeException("unable to join multicast group");
        }
    } catch (InterruptedException exep) {
        throw new RuntimeException("unable to setup network for collect client", exep);
    }
}