Package java.net

Examples of java.net.MulticastSocket.receive()

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                s.joinGroup(INET_ADDRESS);
                DatagramPacket p = new DatagramPacket(new byte[4], 4);
                p.setAddress(INET_ADDRESS);
                p.setPort(PORT);
                while (run) {
                    s.receive(p);
                    String d = new String (p.getData());
                    System.out.println("Rx: " + d);
                }
            } catch (Exception e) {
                e.printStackTrace();
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            byte[] recvData = new byte[100];
            DatagramPacket recvDatagram = new DatagramPacket(recvData,
                    recvData.length);
            socket.setSoTimeout(5000); // prevent eternal block in
            // socket.receive()
            socket.receive(recvDatagram);
            String recvMessage = new String(recvData, 0, recvDatagram
                    .getLength());
            assertEquals(message, recvMessage);
        }finally {
            if (socket != null)
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            byte[] recvData = new byte[100];
            DatagramPacket recvDatagram = new DatagramPacket(recvData,
                    recvData.length);
            socket.setSoTimeout(5000); // prevent eternal block in
            // socket.receive()
            socket.receive(recvDatagram);
            String recvMessage = new String(recvData, 0, recvDatagram
                    .getLength());
            assertEquals(message, recvMessage);
        }finally {
            if (socket != null)
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         // Look for a reply
         // IP address + port number = 128.128.128.128:65535 => (12+3) + 1 + (5) = 21

         buf = new byte[50];
         packet = new DatagramPacket(buf, buf.length);
         s.receive(packet);
         String myServer = new String(packet.getData()).trim();
         if (trace)
            log.trace("Received answer packet: " + myServer);
         while (myServer != null && myServer.startsWith("GET_ADDRESS"))
         {
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            log.trace("Received answer packet: " + myServer);
         while (myServer != null && myServer.startsWith("GET_ADDRESS"))
         {
            Arrays.fill(buf, (byte) 0);
            packet.setLength(buf.length);
            s.receive(packet);
            byte[] reply = packet.getData();
            myServer = new String(reply).trim();
            if (trace)
               log.trace("Received answer packet: " + myServer);
         }
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        final DatagramPacket packet = new DatagramPacket(buf, 0, buf.length);

        //noinspection InfiniteLoopStatement
        while (true) {
            try {
                multicast.receive(packet);
                if (packet.getLength() > 0) {
                    final StringBuilder sb = new StringBuilder();
                    sb.append(format.format(new Date()));
                    sb.append(" - ");
                    sb.append(packet.getAddress().getHostAddress());
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            byte[] sendData = new byte[1024];
            while(running)
               try{
                 Logger.debug("Waiting for message braodcasting");
                 DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
                 serverSocket.receive(receivePacket);
                 Logger.debug("Braodcasted message received");
                 List<Object> data = read(receivePacket.getData());
                 InetAddress IPAddress = receivePacket.getAddress();
                 int port = receivePacket.getPort();
 
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    try {
      MulticastSocket ms = new MulticastSocket(port);
      ms.joinGroup(ia);
      while (true) {
        ms.receive(dp);
        String s = new String(dp.getData(), 0, 0, dp.getLength());
        System.out.println(s);
      }
    }
    catch (SocketException se) {
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                channel.getConfig().getReceiveBufferSizePredictor();

            byte[] buf = new byte[predictor.nextReceiveBufferSize()];
            DatagramPacket packet = new DatagramPacket(buf, buf.length);
            try {
                socket.receive(packet);
            } catch (InterruptedIOException e) {
                // Can happen on interruption.
                // Keep receiving unless the channel is closed.
                continue;
            } catch (Throwable t) {
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        if (debugLevel > 1) DbgLog.log("TFactoryGlobalsThread","Waiting for globals data ...");
        try
        {
          isWaiting = true;
          tp.dpIn.setLength(TTransport.UDP_BUFFER_SIZE); // reset the receive buffer length
          sck.receive(tp.dpIn);
          isWaiting = false;
          // got it, now interpret it ...
          InterpretIncomingGlobalsData(tp.dpIn.getAddress(), tp.dpIn.getData(), tp.dpIn.getLength(), false);
        }
        catch (IOException e)
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