Examples of java.net.MulticastSocket.joinGroup()

java.net.MulticastSocket.joinGroup()
Joins a multicast group. Its behavior may be affected by setInterface or setNetworkInterface.
If there is a security manager, this method first calls its checkMulticast method with the mcastaddr argument as its argument. @param mcastaddr is the multicast address to join @exception IOException if there is an error joiningor when the address is not a multicast address. @exception SecurityException if a security manager exists and its checkMulticast method doesn't allow the join. @see SecurityManager#checkMulticast(InetAddress)

                channel.connect(group_name);
            }
            else {
                group_addr=InetAddress.getByName("224.0.0.36");
                sock=new MulticastSocket(7777);
                sock.joinGroup(group_addr);
            }


            receiver=new Receiver(sock, channel, matrix, jg);
            receiver.start();

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        InetAddress inetAddress = InetAddress.getByName(host);


        InetSocketAddress address = new InetSocketAddress(inetAddress, port);


        MulticastSocket multicast = new MulticastSocket(port);
        multicast.joinGroup(inetAddress);




        final MulticastSocket s = multicast;
        if (options.has("reuse-address")) s.setReuseAddress(options.get("reuse-address", false));
        if (options.has("broadcast")) s.setBroadcast(options.get("broadcast", false));

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//    logger.trace("Multicast socket is on interface: "
//        + ssdpSocket.getInterface());
    ssdpSocket.setTimeToLive(32);
    // ssdpSocket.setLoopbackMode(true);
    this.upnpGroup = InetAddress.getByAddress(UPNP_HOST, UPNP_HOST_ADDRESS);
    ssdpSocket.joinGroup(this.upnpGroup);
    logger.trace("Socket Timeout: " + ssdpSocket.getSoTimeout());
    logger.trace("Socket TTL: " + ssdpSocket.getTimeToLive());


    return ssdpSocket;
  }

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                socket.setReuseAddress(true);
                socket.setReceiveBufferSize(64 * 1024);
                socket.setSendBufferSize(64 * 1024);
                socket.setTimeToLive(1);
                socket.bind(new InetSocketAddress(isa.getPort()));
                socket.joinGroup(isa.getAddress());
                mcast = socket;
                queue.execute(new MCastListener());
            } else {
                
                acceptor = new NioDatagramAcceptor();

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    try {
      pulseMonitorConsole.log("Thread: " + this.getName() + " - Joining Multicast Socket Group");
    MulticastSocket multiSocket = new MulticastSocket(broadcastSocket);
    InetAddress group = InetAddress.getByName("224.5.6.7");
    multiSocket.joinGroup(group);
    pulseMonitorConsole.log("Thread: " + this.getName() + " - Joined Multicast Socket Group");


    DatagramPacket packet;
//    for (int i = 0; i < 5; i++) {
    while(!closeDown) {

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            multicastSocket.setTimeToLive(ttl);


            // set the send interface
            InetAddress multicastInterface = networkService.resolvePublishHostAddress(address);
            multicastSocket.setInterface(multicastInterface);
            multicastSocket.joinGroup(InetAddress.getByName(group));


            multicastSocket.setReceiveBufferSize(bufferSize);
            multicastSocket.setSendBufferSize(bufferSize);
            multicastSocket.setSoTimeout(60000);

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    }


    protected DatagramSocket createSocket(URI uri, InetAddress inetAddress) throws IOException
    {
        MulticastSocket socket = new MulticastSocket(uri.getPort());
        socket.joinGroup(inetAddress);
        return socket;
    }


    protected Work createWork(DatagramPacket packet) throws IOException
    {

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    }


    protected DatagramSocket createSocket(int port, InetAddress inetAddress) throws IOException
    {
        MulticastSocket socket = new MulticastSocket(port);
        socket.joinGroup(inetAddress);
        return socket;
    }
}

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      try {
        InetAddress group = InetAddress
            .getByName(Properties.MultiCastGroupIP);
        MulticastSocket s = new MulticastSocket(
            Properties.MultiCastPort);
        s.joinGroup(group);
        DatagramPacket hi = new DatagramPacket(Key.getBytes(), Key
            .length(), group, Properties.MultiCastPort);
        s.send(hi);
        s.leaveGroup(group);
        s.close();

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        Thread receiver = new Thread() {
            public void run() {
                try {
                    MulticastSocket s = new MulticastSocket(port);
                    s.joinGroup(InetAddress.getByName(group));


                    // Create a DatagramPacket and do a receive
                    byte buf[] = new byte[1024];
                    DatagramPacket pack = new DatagramPacket(buf, buf.length);
                    s.receive(pack);

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