package ch.usi.da.dlog.transport;
/*
* Copyright (c) 2014 Università della Svizzera italiana (USI)
*
* This file is part of URingPaxos.
*
* URingPaxos is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* URingPaxos is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with URingPaxos. If not, see <http://www.gnu.org/licenses/>.
*/
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;
import java.util.Arrays;
import ch.usi.da.dlog.message.Message;
/**
* Name: UDPListener<br>
* Description: <br>
*
* Creation date: Apr 07, 2014<br>
* $Id$
*
* @author Samuel Benz benz@geoid.ch
*/
public class UDPListener implements Runnable {
private final DatagramSocket socket;
private Receiver receiver = null;
public UDPListener(int port) throws SocketException{
socket = new DatagramSocket(port);
}
@Override
public void run() {
while(!socket.isClosed()){
try {
byte[] buffer = new byte[65535];
DatagramPacket packet = new DatagramPacket(buffer,buffer.length);
socket.receive(packet);
if(receiver != null){
Message m = Message.fromByteArray(Arrays.copyOfRange(packet.getData(),0,packet.getLength()));
receiver.receive(m);
}
} catch (SocketException e) {
} catch (IOException e) {
e.printStackTrace();
}
}
}
public void registerReceiver(Receiver receiver){
this.receiver = receiver;
}
public void close(){
socket.close();
}
}