public static void register_base_handler()
        {
            baseHandlerTick = PurpleCountdown.NewInstance ("BaseHandlerTick");
            baseHandlerTick.TriggerEvent += periodically_validate_player;
            baseHandlerTick.Trigger (60, PurpleServer.CurrentConfig.ClientAuthentificationTimeout/4);

            if(PurpleServer.CurrentConfig.SanityPeriodical > 0)
            {
                int period = PurpleServer.CurrentConfig.SanityPeriodical*60;
                period = (period < 600) ? 600 : period;
                baseHandlerSanity = PurpleCountdown.NewInstance ("BaseHandlerSanity");
                baseHandlerSanity.TriggerEvent += periodically_sanity_check;
                baseHandlerSanity.Trigger (period, period);
            }

            PurpleNetwork.AddListener("server_broadcast", server_broadcast_handler);

            PurpleNetwork.AddListener("client_ping", client_ping_handler);
            PurpleNetwork.AddListener("client_get_version", client_get_version_handler);
            PurpleNetwork.AddListener("client_authenticate", client_authenticate_handler);
            //PurpleNetwork.AddListener("client_authenticate_switch", client_authenticate_switch_handler);	// TODO
            PurpleNetwork.AddListener("client_generate_token", client_generate_token_handler);
            PurpleNetwork.AddListener("client_logout", client_logout_handler);

            PurpleNetwork.PurplePlayerConnected += on_player_connected;
            PurpleNetwork.PurplePlayerDisconnected += on_player_disconnected;

            PurpleNetwork.DisconnectedFromPurpleServer += remove_base_handler;
        }
        // TESTER FUNCTIONS /////////////////////////
        // TODO: MOVE
        /*
        public bool Test(List <ServerReference> serverList)
        {
            // check all server availabilities
            bool returnValue = true;
            foreach(ServerReference sr in serverList)
            {
                ServerReference newSR = new ServerReference();
                bool pingReturn = Test(sr, out newSR);
                sr.ReferencePingNote = newSR.ReferencePingNote;
                sr.ServerState = newSR.ServerState;
                sr.ReferenceLastSeen = newSR.ReferenceLastSeen;

                if(returnValue)
                    returnValue = pingReturn;
            }
            return returnValue;
        }
        */
        /*
        public static ServerReference Test(ServerReference reference)
        {
            return Ping (reference.ServerHost);
        }

        public static ServerReference Test(ServerReference reference)
        {
            string pingMessage = String.Empty;
            ServerReference newRefernece = reference;
            bool pingReturn = Ping(reference.ServerHost, out pingMessage);

            newRefernece.ReferencePingNote = pingMessage;
            if(pingReturn)
            {
                newRefernece.ServerState = ServerStates.Online;
                newRefernece.ReferenceLastSeen = DateTime.Now;
            }
            else
            {
                newRefernece.ServerState = ServerStates.Offline;
            }
            return newRefernece;
        }

        public bool Test(ServerReference reference, out string pingMessage)
        {
            return Ping (reference.ServerHost, out pingMessage);
        }
        */
        private void server_sanity_check()
        {
            server_sanity_database = false;
            server_sanity_network_ip = false;
            server_sanity_network_reachable = false;

            int testTime = 30;

            PurpleDebug.Log("ServerSanityCheck: Start...", 1);
            PurpleDebug.Log("ServerSanityCheck: Initialize Calls...");
            run_test (testTime-2);
            string ipAddress = Network.player.ipAddress;
            string externalIP = Network.player.externalIP;

            PurpleDebug.Log("ServerSanityCheck: Start Database Check...");
            if(test_current_database_connection (ipAddress, externalIP))
            {
                PurpleDebug.Log("ServerSanityCheck: Database OK");
                server_sanity_database = true;
            }
            else
            {
                PurpleDebug.LogError("ServerSanityCheck: Database ERROR", 1);
            }

            PurpleDebug.Log("ServerSanityCheck: Start Network Check...");
            PurpleDebug.Log("ServerSanityCheck: Local IP Address " + ipAddress);
            PurpleDebug.Log("ServerSanityCheck: External IP Address " + externalIP);
            if(!string.IsNullOrEmpty(externalIP)
               && !externalIP.StartsWith("0.")
               && !externalIP.StartsWith("127.")
               && !externalIP.StartsWith("192.")
               && !externalIP.Contains("UNASSIGNED_SYSTEM_ADDRESS"))
            {
                server_sanity_network_ip = true;
            }

            sanityCountdown = PurpleCountdown.NewInstance ("SanityCheck");
            sanityCountdown.TriggerEvent += server_sanity_check_periodical;
            sanityCountdown.Trigger (5, testTime/10);

            sanityCountdownDone = PurpleCountdown.NewInstance ("SanityCheckKill");
            sanityCountdownDone.CountdownDoneEvent += server_sanity_check_done;
            sanityCountdownDone.CountDown (testTime);
        }