supersocket+controller+action

    public class MasterServer : SuperSocket.SocketBase.AppServer<MasterSession>
    {
        
    }

    public class MasterSession: SuperSocket.SocketBase.AppSession<MasterSession>
    {
        protected override void HandleUnknownRequest(StringRequestInfo requestInfo)
        {
            Send(Const.None);
        }
        
        protected override void OnSessionStarted()
        {
            Console.WriteLine($"{this.RemoteEndPoint} connected, " +
                              $"total={this.AppServer.SessionCount}");
        }

        protected override void OnSessionClosed(CloseReason reason)
        {
            Console.WriteLine($"{this.RemoteEndPoint} disconnected, " +
                              $"total={this.AppServer.SessionCount}");
        }
    }

    public class Master : CommandBase<MasterSession, StringRequestInfo>
    {
        public override void ExecuteCommand(MasterSession session, StringRequestInfo requestInfo)
        {
            if (requestInfo.Parameters.Length > 0)
            {
                string action = requestInfo.Parameters[0];
                string content = "";
                if (requestInfo.Parameters.Length > 1)
                {
                    content = requestInfo.Body.Trim().Substring(action.Length + 1);
                }
                if (action!=Const.ActionLogin && !session.Items.Keys.Contains(Const.User))
                {
                    session.Send(Const.None);
                    return;
                }
                switch (action)
                {
                    case Const.ActionLogin: Login(session, content);
                        break;
                    default: session.Send(Const.None);
                        break;
                }
            }
            else
            {
                session.Send(Const.None);
            }
        }

        void Login(MasterSession session, string content)
        {
            var user = content.FromJson<DtoLogin>();
            if (user.LoginName == "jonney" && user.Password == "1234")
            {
                user.IsLogined = true;
                user.SessionId = Guid.NewGuid().ToString();
                user.Users = new List<int>();
                user.Users.Add(8);
            }
            session.Logger.Debug(user.ToJson());
            if (user.IsLogined)
            {
                session.Items.Remove(Const.User);
                session.Items.Add(Const.User, user);
            }
            session.Send(user.ToJson());
        }
        
    }

using System.Collections.Generic;

namespace PublicLib
{
    public class DtoBase
    {
        public int CurPage { get; set; }
        public int TotalPages { get; set; }
    }

    public class DtoLogin: DtoBase
    {
        public string LoginName { get; set; }
        public string Password { get; set; }

        public bool IsLogined { get; set; }
        public string SessionId { get; set; }
        public List<int> Users { get; set; } 
    }

    public class Const
    {
        public const string None = "None";
        public const string User = "User";
        public const string ControlerMaster = "Master";
        public const string ActionLogin = "Login";
    }
}

 supersocket作为服务器处理Pda的请求，并返回json结果，demo代码。