class Program

     {

         static void Main(string[] args)

         {

             Console.WriteLine("press any key to start the server");

             Console.ReadKey();

             Console.WriteLine();

             AppServer server = new AppServer();

             if (!server.Setup())

             {

                 Console.WriteLine("Failed to setup");

                 Console.ReadKey();

                 return;

             }

             server.NewSessionConnected += new SessionHandler<AppSession>(server_NewSessionConnected);

             server.NewRequestReceived += new RequestHandler<AppSession, SuperSocket.SocketBase.Protocol.StringRequestInfo>(server_NewRequestReceived);

             if (!server.Start())

             {

                 Console.WriteLine("Failed to start");

                 Console.ReadKey();

                 return;

             }

             Console.WriteLine("The server started successfully, press key 'q' to stop it!");

              while (Console.ReadKey().KeyChar != 'q')

             {

                 Console.WriteLine();

                 continue;

             }

              Console.WriteLine();

             server.Stop();

             Console.WriteLine("The server was stopped!");

         }

         static void server_NewRequestReceived(AppSession session, SuperSocket.SocketBase.Protocol.StringRequestInfo requestInfo)

         {

             Console.WriteLine(requestInfo.Key + " " + requestInfo.Body);

             switch (requestInfo.Key.ToUpper())

             {

                 case ("ECHO"):

                     string r = requestInfo.Body;

                     session.Send(r);

                     Console.WriteLine(r);

                     break;

                 case ("ADD"):

                     string r2= requestInfo.Parameters.Select(p => Convert.ToInt32(p)).Sum().ToString();

                     session.Send(r2);

                     Console.WriteLine(r2);

                     break;

                 case ("MULT"):

                     var result = ;

                     foreach (var factor in requestInfo.Parameters.Select(p => Convert.ToInt32(p)))

                     {

                         result *= factor;

                     }

                     session.Send(result.ToString());

                     Console.WriteLine(result);

                     break;

             }

         }

         static void server_NewSessionConnected(AppSession session)

         {

             Console.WriteLine(session.SessionID + ":connect successed");

         }

     }