source: binary-improvements/7dtd-server-fixes/src/NetConnections/NetTelnetServer.cs@ 180

using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Reflection;
using System.Threading;
using UnityEngine;

namespace AllocsFixes.NetConnections
{
        public class NetTelnetServer
        {
                private static List<IServer> servers = new List<IServer> ();

                public static void init (int port)
                {
                        try {
                                Log.Out ("[7dtd-server-fixes by Alloc] Version: " + Assembly.GetExecutingAssembly ().GetName ().Version);
                                servers.Add (new Servers.Telnet.Telnet (port));

                                int webPort = GamePrefs.GetInt (EnumGamePrefs.ControlPanelPort);
                                if (GamePrefs.GetBool (EnumGamePrefs.ControlPanelEnabled) && webPort > 0 && webPort < 65534) {
                                        if (Directory.Exists (Application.dataPath + "/../webserver")) {
                                                servers.Add (new Servers.Web.Web (webPort + 2));
                                        }
                                }
                        } catch (Exception e) {
                                Log.Out ("Error in NetTelnetServer.init: " + e);
                        }
                }

                public static void SetConsole (ConsoleSdtd console)
                {
                }

                public static void Disconnect ()
                {
                        foreach (IServer s in servers)
                                s.Disconnect ();
                }

                public static void WriteToClient (string line)
                {
                        if (line == null) {
                                return;
                        }
                        foreach (IServer s in servers)
                                s.WriteToClient (line);
                }

                public static void WriteToClient_Single (string line, IConnection client)
                {
                        if (line == null) {
                                return;
                        }
                        foreach (IServer s in servers)
                                s.WriteToClient_Single (line, client);
                }
        }
}