Subversion Repositories programming

import java.net.*;

import java.io.*;

public class P3_Client

{

    private static IPAddr ip;

    private static String hw;

    private static final String hostName = "localhost";

    private static final int portNumber = 1337;

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

    {

        Socket socket = null;

        PrintWriter out = null;

        BufferedReader in = null;

        BufferedReader kbd = null;

        String s = new String();

        boolean running = true;

        try

        {

            socket = new Socket (hostName, portNumber);

            out = new PrintWriter (socket.getOutputStream(), true);

            in = new BufferedReader (new InputStreamReader (

                                         socket.getInputStream()));

            kbd = new BufferedReader (new InputStreamReader (System.in));

        }

        catch (UnknownHostException e)

        {

            System.err.printf ("Can't resolve hostname: %s\n", hostName);

            System.exit (1);

        }

        catch (IOException e)

        {

            System.err.printf ("Couldn't get I/O for the connection to: %s\n", hostName);

            System.exit (2);

        }

        System.out.print ("Please type your Hardware Address: ");

        hw = kbd.readLine();

        // Send Hardware Address

        out.printf ("req IP %s\n", hw);

        while (running)

        {

            s = in.readLine();

            System.out.println (s);

            if (s.equals("IP Lease Time Expired"))

                running = false;

        }

        System.out.println ("Exiting");

        out.close();

        in.close();

        socket.close();

    }

}