Subversion Repositories programming

/*******************************************************************************

 * File: P3_Server.java

 * Author: Ira W. Snyder (devel@irasnyder.com)

 * License: GNU General Public License v2

 * Class: CS380 - Computer Networking

 *

 * Assignment: Project #3

 * Date Last Modified: 2006-02-15

 *

 * Purpose: Listen on TCP Port 1337 for connections from the P3_Client. When a

 * valid request is recieved, it will give out the lowest ip address in it's

 * range.

 ******************************************************************************/

import java.net.*;

import java.io.*;

public class P3_Server

{

    /* Instance Variables */

    private static final int portNumber = 1337;

    /**

     * Method: main

     * Purpose: Run the server. Accept connections on port 1337, and hand them

     * off to a new thread.

     */

    public static void main (String[] args) throws IOException

    {

        ServerSocket socket = null;

        DHCPTable table = new DHCPTable ();

        boolean listening = true;

        // Start the listening socket

        try

        {

            socket = new ServerSocket (portNumber);

        }

        catch (IOException e)

        {

            System.err.println ("Could not listen on port: " + portNumber);

            System.exit (1);

        }

        // Tell the user that we are successfully listening

        System.out.println ("Listening for connections on port: " + portNumber);

        // Every time a new connection comes in, accept it, spawn a new thread

        // to handle it, and keep listening.

        while (listening)

            new P3_ServerThread (socket.accept(), table).start();

        // Clean up the socket

        socket.close();

    }

}