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POAndroid UDP Client doesn't receive DatagramPacket
 

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  1. POAndroid UDP Client doesn't receive DatagramPacket
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    <p>WiBro, which is used as a server module and client Nexus Galaxy ICS. Both machines are 3g UDP communication. The server will return only the received data has been implemented.</p> <p>dSocket.send (sendPacket) is a smooth communication. However, we have a problem. dSocket.receive (recvPacket) does not receive the data.</p> <p>The server sends the packet is wrong? If the client receives the packet is wrong? The server sends data but, telecom equipment is taken to preserve the situation?</p> <p>When only sending a packet, the client has not a problem. but after receive code implementation, the client has a problem.</p> <pre><code>private class ClientThread implements Runnable{ @SuppressWarnings("finally") @Override public void run() { // TODO Auto-generated method stub DatagramSocket dSocket = null; try{ InetAddress serverAddr = InetAddress.getByName(serverIpAddress.toString()); Log.d(TAG, "Connecting"); Log.d(TAG, "IP :::: " + serverAddr.toString()); dSocket = new DatagramSocket(SERVERPORT); dSocket.setSoTimeout(5000); byte[] arr_RecvPacket = new byte[1024]; connected = true; while(connected){ try{ Log.d(TAG, "Sending Command :::: ( " + String.valueOf(i)); String strPacket = "Hey Server ( " + String.valueOf(i); byte[] arr_Packet = strPacket.getBytes(); sendPacket = new DatagramPacket(arr_Packet, arr_Packet.length, serverAddr, SERVERPORT); dSocket.send(sendPacket); Log.d(TAG, "C:Send"); i++; Log.d(TAG, "C:Make Recv Packet...."); recvPacket = new DatagramPacket(arr_RecvPacket, arr_RecvPacket.length); Log.d(TAG, "C:Recving..."); dSocket.receive(recvPacket); handler.sendEmptyMessage(0x01); Thread.sleep(4000); }catch(Exception e){ e.printStackTrace(); Log.d(TAG, "S:Error"); } } Log.d(TAG, "S:DataSocket close"); dSocket.close(); }catch(Exception e){ Log.d(TAG, "C:Error"); e.printStackTrace(); connected = false; }finally{ connected = false; if(dSocket != null){ dSocket.close(); } return; } } } </code></pre>
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    1. USPaul Gregoire
    1. USreinhard.lee
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    1. COYour 'connected' variable is misnamed. You are never really connected in UDP.
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      1. USuser207421
    2. COI knew, but udp does not maintain a connection. Am I not correct?
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      1. POAndroid UDP Client doesn't receive DatagramPacket
      1. USreinhard.lee
    3. COExactly, so you can't have a 'connected' state either. So it is misnamed.
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      1. USuser207421
 

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