using CommonLang.Log;
using CommonNetwork_ICE.Util;
using CommonServer.Server;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;

namespace CommonServer_ICE.Session
{
    /// <summary>
    /// 服务器端会话失效检查器
    /// </summary>
    class IceServerSessionExpireTask
    {
        static Logger log = LoggerFactory.GetLogger("IceServerSessionExpireTask");
        Thread thread;
        bool runFlag;
        internal IceServerSessionExpireTask()
        {
            runFlag = true;
            thread = new Thread(Run);
        }

        internal void Start()
        {
            thread.Start();
        }

        internal void End()
        {
            runFlag = false;
            thread.Join();
            thread.Abort();
        }

        void Run()
        {
            while (runFlag)
            {
                try
                {
                    List<ISession> sessionList = SessionManager.getAllSession();
                    DateTime currTime = DateTime.Now;
                    foreach (ISession session in sessionList)
                    {
                        IceServerIoSession serverSession = (IceServerIoSession)session;
                        // 一分钟没有数据发送和接收，关闭会话
                        if (serverSession.LastReadTime.AddSeconds(Env.SERVER_SESSION_EXPIRE_TIME) < currTime &&
                            serverSession.LastWriteTime.AddSeconds(Env.SERVER_SESSION_EXPIRE_TIME) < currTime)
                        {
                            if (serverSession.IsConnected)
                            {
                                log.Info("当前会话闲置，准备关闭。客户端地址IP【" + serverSession.Connector.GetConnectorConfig().RemoteIp + "】，端口【" + serverSession.Connector.GetConnectorConfig().RemotePort + "】");
                                session.Disconnect(true);
                            }
                        }
                    }
                    Thread.Sleep(Env.SERVER_SESSION_CHECK_INTERVAL * 1000);
                }
                catch (Exception err)
                {
                    log.Error(err.Message, err);
                }
            }
        }
    }
}