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)

    MulticastSocket multicastSocket = null;


    try {
      multicastSocket = getNewMulticastSocket();
      InetAddress upnpAddress = getUPNPAddress();
      multicastSocket.joinGroup(upnpAddress);


      sendMessage(multicastSocket, "upnp:rootdevice", ALIVE);
      sendMessage(multicastSocket, PMS.get().usn(), ALIVE);
      sendMessage(multicastSocket, "urn:schemas-upnp-org:device:MediaServer:1", ALIVE);
      sendMessage(multicastSocket, "urn:schemas-upnp-org:service:ContentDirectory:1", ALIVE);

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        MulticastSocket msocket = (MulticastSocket) socket;
        
        //log.info("Creating multicast socket on port: " + port + " on
        msocket.setLoopbackMode(loopbackMode);


        msocket.joinGroup(inetAddress);
    }


    protected DatagramSocket createSocket(int port) throws IOException {
        return new MulticastSocket(port);
    }

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         while (nis.hasMoreElements()) {
            retval = new MulticastSocket(port);
            NetworkInterface networkInterface = nis.nextElement();
            retval.setNetworkInterface(networkInterface);
            try {
               retval.joinGroup(mcast_addr);
               String msg = "Successfully bind to " + networkInterface;
               okTrace.append(msg).append('\n');
            } catch (IOException e) {
               e.printStackTrace();
               String msg = "Failed to bind to " + networkInterface + ".";

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         }
         s.setSoTimeout(timeout);
         s.setTimeToLive(ttl);
         if(log.isTraceEnabled())
            log.trace("TTL on multicast discovery socket is " + ttl);
         s.joinGroup(iaGroup);
         if (trace)
            log.trace("MulticastSocket: " + s);
         DatagramPacket packet;
         // Send a request optionally restricted to a cluster partition
         StringBuffer data = new StringBuffer("GET_ADDRESS");

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                ms.setSoTimeout(0);
                ms.setTimeToLive(TTL);
                if (!ms.getBroadcast()) {
                    ms.setBroadcast(true);
                }
                ms.joinGroup(ia);


                list.add(ms);


                log.debug(String.format("Created MulticastSocket for '%1$s:%2$s' on network adapter: %3$s", ia.getHostName(), port, ni));

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        final InetAddress inetAddress = InetAddress.getByName(host);


        final InetSocketAddress address = new InetSocketAddress(inetAddress, port);


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


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

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                ms.setSoTimeout(0);
                ms.setTimeToLive(TTL);
                if (!ms.getBroadcast()) {
                    ms.setBroadcast(true);
                }
                ms.joinGroup(ia);


                list.add(ms);


            } catch (Throwable e) {

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                ms.setSoTimeout(0);
                ms.setTimeToLive(TTL);
                if (!ms.getBroadcast()) {
                    ms.setBroadcast(true);
                }
                ms.joinGroup(ia);


                list.add(ms);


            } catch (Exception e) {

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        MulticastSocket msocket = (MulticastSocket) socket;
        
        //log.info("Creating multicast socket on port: " + port + " on
        msocket.setLoopbackMode(loopbackMode);
        msocket.setTimeToLive(getTimeToLive());
        msocket.joinGroup(inetAddress);
    }


    protected DatagramSocket createSocket(int port) throws IOException {
        return new MulticastSocket(port);
    }

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/*      */       }
/* 1452 */       s.setSoTimeout(timeout);
/* 1453 */       s.setTimeToLive(ttl);
/* 1454 */       if (log.isTraceEnabled())
/* 1455 */         log.trace("TTL on multicast discovery socket is " + ttl);
/* 1456 */       s.joinGroup(iaGroup);
/* 1457 */       if (trace) {
/* 1458 */         log.trace("MulticastSocket: " + s);
/*      */       }
/*      */ 
/* 1461 */       StringBuffer data = new StringBuffer("GET_ADDRESS");

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