/*
* This file is part of dhcp4java, a DHCP API for the Java language.
* (c) 2006 Stephan Hadinger
*
* 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.dhcp4java.examples;
import java.util.Random;
import org.dhcp4java.DHCPPacket;
import static org.dhcp4java.DHCPConstants.*;
/**
* Example of DHCP Client (under construction).
*
* @author Stephan Hadinger
* @version 1.00
*/
public class DHCPClient {
private static byte[] macAddress = {
(byte) 0x00, (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0x04, (byte) 0x05
};
private DHCPClient() {
throw new UnsupportedOperationException();
}
public static void main(String[] args) {
// first send discover
DHCPPacket discover = new DHCPPacket();
discover.setOp(BOOTREQUEST);
discover.setHtype(HTYPE_ETHER);
discover.setHlen((byte) 6);
discover.setHops((byte) 0);
discover.setXid( (new Random()).nextInt() );
discover.setSecs((short) 0);
discover.setFlags((short) 0);
discover.setChaddr(macAddress);
}
}