using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Mesnac.Action.Base;
using System.Configuration;

namespace Mesnac.Action.Feeding.Qingquan.Sys
{
    /// <summary>
    /// 定时器运行服务类
    /// </summary>
    public class TimerRunService
    {
        #region 字段定义

        private System.Timers.Timer _timer = null;
        private int _cnt = 0;           //计数器

        #endregion

        #region 单例实现

        private static TimerRunService _instance = null;

        private TimerRunService() { }

        public static TimerRunService Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new TimerRunService();
                }
                return _instance;
            }
        }

        #endregion

        #region 启动定时器运行服务
        /// <summary>
        /// 启动定时器运行服务
        /// </summary>
        public void Start()
        {
            if (this._timer == null)
            {
                this._timer = new System.Timers.Timer();
                this._timer.Interval = 5000;
                this._timer.Elapsed += new System.Timers.ElapsedEventHandler(_timer_Elapsed);
                this._timer.Start();
            }
        }
        #endregion

        #region 停止定时器运行服务
        /// <summary>
        /// 停止定时器运行服务
        /// </summary>
        public void Stop()
        {
            if (this._timer != null)
            {
                this._timer.Stop();
                this._timer.Dispose();
                this._timer = null;
            }
        }

        #endregion

        #region 定时器服务事件处理
        /// <summary>
        /// 定时器服务事件处理
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void _timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            lock (String.Empty)
            {
                this._cnt++;

                SysVersionController.ProcessVersion();      //处理版本信息

                #region 1、更新网络表中改设备的运行状态，移到计时器服务类中

                FeedingPlc.UpdateEquipState updateEquipStateInstance = new FeedingPlc.UpdateEquipState();
                if (updateEquipStateInstance.NetType == Mesnac.Action.Base.BaseAction.NetTypes.Net)
                {
                    updateEquipStateInstance.Run(null);
                }

                #endregion

                #region 检测Socket是否在侦听，如果没有侦听，则重启侦听服务（每5次循环，检测一次端口占用）

                if (this._cnt > 5)
                {
                    //每5次循环，检测一次端口占用
                    int port = 3666;
                    object oPort = ConfigurationManager.AppSettings["Port"];
                    if (oPort != null)
                    {
                        int.TryParse(oPort.ToString(), out port);
                    }
                    if (!Mesnac.Basic.ProcessHelper.PortInUse(port))
                    {
                        Mesnac.Communication.TcpService.ReStartService();               //重新启动Socket侦听
                    }

                    this._cnt = 0;
                }

                #endregion
            }
        }


        #endregion
    }
}