public static bool ExistSocket(string clientId, ref TCPAnswerSocketModel model)
 {
     if (TCPAnswerSocketCache.Exist(clientId))
     {
         model = (TCPAnswerSocketModel)(TCPAnswerSocketCache.GetValue(clientId));
         return(true);
     }
     else
     {
         model = null;
         return(false);
     }
 }
        public static void Add(string clientId, Socket socketClient)
        {
            TCPAnswerSocketModel model = new TCPAnswerSocketModel(socketClient, clientId);

            TCPAnswerSocketCache.Add(clientId, model);
        }