public class CountSpliterReceiveFilterSession : AppSession<CountSpliterReceiveFilterSession>
    {
        public override void Send(string message)
        {
            Console.WriteLine("发送消息:" + message);
            base.Send(message);
        }
 
        protected override void OnSessionStarted()
        {
            //输出客户端IP地址  
            Console.WriteLine(this.LocalEndPoint.Address.ToString());
            this.Send("Hello User,Welcome to SuperSocket Telnet Server!");
        }
 
 
        /// <summary>  
        /// 连接关闭  
        /// </summary>  
        /// <param name="reason"></param>  
        protected override void OnSessionClosed(CloseReason reason)
        {
            base.OnSessionClosed(reason);
        }
 
 
        protected override void HandleUnknownRequest(StringRequestInfo requestInfo)
        {
            Console.WriteLine($"遇到未知的请求 Key:" + requestInfo.Key + $" Body:" + requestInfo.Body);
            base.HandleUnknownRequest(requestInfo);
        }
 
        /// <summary>  
        /// 捕捉异常并输出  
        /// </summary>  
        /// <param name="e"></param>  
        protected override void HandleException(Exception e)
        {
            this.Send("error: {0}", e.Message);
        }
    }

public class CountSpliterReceiveFilterServer:AppServer<CountSpliterReceiveFilterSession>
    {
        /// 请求格式：#part1#part2#part3#part4#part5#part6#part7#
        public CountSpliterReceiveFilterServer()
           : base(new CountSpliterReceiveFilterFactory((byte)'#', 8)) //8个分隔符，7个参数。除使用默认的过滤工厂，还可以参照上一个实例定制协议
        {
 
        }
 
        protected override bool Setup(IRootConfig rootConfig, IServerConfig config)
        {
            Console.WriteLine("正在准备配置文件");
            return base.Setup(rootConfig, config);
        }
 
        protected override void OnStarted()
        {
            Console.WriteLine("服务已开始");
            base.OnStarted();
        }
 
        protected override void OnStopped()
        {
            Console.WriteLine("服务已停止");
            base.OnStopped();
        }
 
        /// <summary>  
        /// 输出新连接信息  
        /// </summary>  
        /// <param name="session"></param>  
        protected override void OnNewSessionConnected(CountSpliterReceiveFilterSession session)
        {
            base.OnNewSessionConnected(session);
            //输出客户端IP地址  
            Console.Write("\r\n" + session.LocalEndPoint.Address.ToString() + ":连接");
        }
 
 
        /// <summary>  
        /// 输出断开连接信息  
        /// </summary>  
        /// <param name="session"></param>  
        /// <param name="reason"></param>  
        protected override void OnSessionClosed(CountSpliterReceiveFilterSession session, CloseReason reason)
        {
            base.OnSessionClosed(session, reason);
            Console.Write("\r\n" + session.LocalEndPoint.Address.ToString() + ":断开连接");
        }
 
    }

 public class CountSpliterReceiveFilterServer:AppServer<CountSpliterReceiveFilterSession>
    {
        /// 请求格式：#part1#part2#part3#part4#part5#part6#part7#
        public CountSpliterReceiveFilterServer()
           : base(new CountSpliterReceiveFilterFactory((byte)'#', 8)) //8个分隔符，7个参数。除使用默认的过滤工厂，还可以参照上一个实例定制协议
        {
 
        }
}

static void Main(string[] args)
        {
            Console.WriteLine("请按任何键进行启动SuperSocket服务!");
            Console.ReadKey();
            Console.WriteLine();
 
            var CountSpliterReceiveFilterServer = new CountSpliterReceiveFilterServer();
            // 设置端口号
            int port = 2017;
            //启动应用服务端口
            if (!CountSpliterReceiveFilterServer.Setup(port)) //启动时监听端口2017
            {
                Console.WriteLine("服务端口启动失败!");
                Console.ReadKey();
                return;
            }
 
            Console.WriteLine();
            //注册连接事件
            CountSpliterReceiveFilterServer.NewSessionConnected += CountSpliterReceiveFilterServer_NewSessionConnected;
            //注册请求事件
            CountSpliterReceiveFilterServer.NewRequestReceived += CountSpliterReceiveFilterServer_NewRequestReceived;
            //注册Session关闭事件
            CountSpliterReceiveFilterServer.SessionClosed += CountSpliterReceiveFilterServer_SessionClosed;
            //尝试启动应用服务
            if (!CountSpliterReceiveFilterServer.Start())
            {
                Console.WriteLine("服务启动失败!");
                Console.ReadKey();
                return;
            }
 
            Console.WriteLine("服务器状态:" + CountSpliterReceiveFilterServer.State.ToString());
 
            Console.WriteLine("服务启动成功，请按'q'停止服务!");
 
            while (Console.ReadKey().KeyChar != 'q')
            {
                Console.WriteLine();
                continue;
            }
 
            //停止服务
            CountSpliterReceiveFilterServer.Stop();
            Console.WriteLine("服务已停止!");
            Console.ReadKey();
        }
 
        static void CountSpliterReceiveFilterServer_SessionClosed(CountSpliterReceiveFilterSession session, SuperSocket.SocketBase.CloseReason value)
        {
            Console.WriteLine(session.RemoteEndPoint.ToString() + "连接断开. 断开原因:" + value);
        }
 
        static void CountSpliterReceiveFilterServer_NewSessionConnected(CountSpliterReceiveFilterSession session)
        {
            Console.WriteLine(session.RemoteEndPoint.ToString() + " 已连接.");
        }
 
        /// <summary>
        /// 协议并没有什么太多复杂逻辑，不需要用到命令模式，直接用这种方式就可以了
        /// </summary>
        /// <param name="session"></param>
        /// <param name="requestInfo"></param>
        private static void CountSpliterReceiveFilterServer_NewRequestReceived(CountSpliterReceiveFilterSession session, SuperSocket.SocketBase.Protocol.StringRequestInfo requestInfo)
        {
            Console.WriteLine();
            Console.WriteLine("数据来源: " + session.RemoteEndPoint.ToString());
            Console.WriteLine("接收数据内容：" + requestInfo.Body);
 
        }

来源:https://blog.csdn.net/ba_wang_mao/article/details/128286684