Telnet .NET Component

/*
 * TelnetExample.cs
 *
 * Copyright (c) 1999-2005 JSCAPE, LLC
 * 1147 S. 53rd Pl., Mesa, Arizona, 85206, U.S.A.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of
 * JSCAPE ("Confidential Information"). You shall not disclose such
 * Confidential Information and shall use it only in accordance with
 * the terms of the license agreement you entered into with JSCAPE.
 */
using System;
using System.IO;
using System.Text;
using System.Threading;
using Jscape.Telnet;

namespace TelnetExample {

   public class TelnetExample {

      public bool connected = false;
      public Telnet myTelnet = null;

      public TelnetExample(string hostname){
         // Instantiate Telnet
         myTelnet = new Telnet(hostname);

         // Subscribe to connection events
         myTelnet.ConnectedEvent += new Telnet.ConnectedEventHandler(OnConnected);
         myTelnet.DisconnectedEvent += new Telnet.DisconnectedEventHandler(OnDisconnected);

         // Subscribe to option events. In this example, refuse all options.
         myTelnet.DoOptionEvent += new Telnet.DoOptionEventHandler(OnDoOption);
         myTelnet.DontOptionEvent += new Telnet.DontOptionEventHandler(OnDontOption);
         myTelnet.WillOptionEvent += new Telnet.WillOptionEventHandler(OnWillOption);
         myTelnet.WontOptionEvent += new Telnet.WontOptionEventHandler(OnWontOption);

         // Subscribe to data received event
         myTelnet.DataReceivedEvent += new Telnet.DataReceivedEventHandler(OnDataReceived);

         // Connect to telnet server
         myTelnet.Connect();
         this.Connected = true;

         // Begin reading and writing data to telnet server
         TelnetOutputStream output = myTelnet.GetOutputStream();
         string input = "";
         while ((input = Console.ReadLine()) != null) {
            if ((this.Connected) && (input != "exit")) {
               ((TelnetOutputStream) output).PrintLn(input);
            } else {
               break;
            }
         }

         // Disconnect from telnet server
         myTelnet.Disconnect();
      }

      public bool Connected {
         get {
            return connected;
         }
         set {
            connected = value;
         }
      }

      public static void Main() {

         Console.Write("Telnet server: ");
         string hostname = "";
         if ((hostname = Console.ReadLine()) != "") {
            TelnetExample telnetexample = new TelnetExample(hostname);
         }
      }

      public void OnConnected(object sender, TelnetConnectedEventArgs e) {
         Console.WriteLine("Connected to {0}:{1}", e.Host, e.Port);
      }
      public void OnDisconnected(object sender, TelnetDisconnectedEventArgs e) {
         this.Connected = false;
         Console.WriteLine("Disconnected.");
      }
      public void OnDoOption(object sender, TelnetDoOptionEventArgs e) {
         myTelnet.SendWontOption(e.Option);
      }
      public void OnDontOption(object sender, TelnetDontOptionEventArgs e) {
         myTelnet.SendDontOption(e.Option);
      }
      public void OnWillOption(object sender, TelnetWillOptionEventArgs e) {
         myTelnet.SendDontOption(e.Option);
      }
      public void OnWontOption(object sender, TelnetWontOptionEventArgs e) {
         myTelnet.SendWontOption(e.Option);
      }
      public void OnDataReceived(object sender, TelnetDataReceivedEventArgs e) {
         Console.Write(myTelnet.Encoding.GetString(e.Data));
      }
   }
}