org.pouzinsociety.socket.udp.SocketClient.java Source code

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Here is the source code for org.pouzinsociety.socket.udp.SocketClient.java

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/*
 * 2008 - 2010 (c) Waterford Institute of Technology
 *         TSSG, EU ICT 4WARD
 *
 * 2010 (c) Pouzin Society
 *   - Forked from EU ICT 4WARD Open Source Distribution.
 *   - Organisation Strings updated to reflect fork.
 *
 *
 * Author        : pphelan(at)tssg.org
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; If not, write to the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package org.pouzinsociety.socket.udp;

import java.net.SocketException;
import jnode.net.DatagramPacket;
import jnode.net.DatagramSocket;
import jnode.net.DatagramSocketImplFactory;
import jnode.net.InetAddress;
import jnode.net.PlainDatagramSocketImpl;
import jnode.net.PlainDatagramSocketImplFactory;
import org.apache.commons.logging.*;
import org.jnode.net.TransportLayer;
import org.pouzinsociety.config.stack.StackConfiguration;

public class SocketClient implements Runnable {
    private static final Log log = LogFactory.getLog(SocketClient.class);
    private TransportLayer udpTransport;
    @SuppressWarnings("unused")
    private StackConfiguration stackConfiguration;
    private String request = "DEAD";

    public SocketClient(TransportLayer udpTransport, StackConfiguration stackConfiguration) throws SocketException {
        this.udpTransport = udpTransport;
        this.stackConfiguration = stackConfiguration;
        if (stackConfiguration.Complete())
            new Thread(this).start();
        else
            throw new SocketException("StackConfiguration not complete");
    }

    public void run() {
        log.info("SocketClient: Started");
        try {
            log.info("SocketClient: Sleeping for 1000ms to allow ServerStart");
            Thread.sleep(1000);
            log.info("SocketClient: Waking Up for work");

            DatagramSocketImplFactory sFactory = udpTransport.getDatagramSocketImplFactory();

            DatagramSocket.setDatagramSocketImplFactory(sFactory);
            PlainDatagramSocketImpl.setUDPFactory((PlainDatagramSocketImplFactory) sFactory);

            DatagramSocket socket = new DatagramSocket();

            byte buf[];

            InetAddress address = InetAddress.getByName("localhost");
            int packetsRecv = 0;
            do {
                log.info("SocketClient: send(" + request + ") to Server");
                buf = request.getBytes();
                DatagramPacket packet = new DatagramPacket(buf, buf.length, address, 3333);
                socket.send(packet);
                buf = new byte[256];
                packet = new DatagramPacket(buf, buf.length);
                socket.receive(packet);

                packetsRecv++;
                String response = new String(packet.getData());
                log.info("SocketClient: recv(" + packetsRecv + ")[" + response + "] from Server");
            } while (packetsRecv < 5);
            socket.close();
        } catch (Exception e) {
            log.error("SocketClient: Exception: " + e.getMessage());
        }
        log.info("SocketClient: Finished");
    }

}