C# windows 服务看门狗

十年河东，十年河西，莫欺少年穷

学无止境，精益求精

主要作用 用于监控其他服务，如果其他服务挂了，则进行重启

代码如下：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.Threading.Tasks;

namespace ServiceDogStart
{
    public partial class ServiceDog : ServiceBase
    {
        public ServiceDog()
        {
            InitializeComponent();
        }
        System.Timers.Timer timer1;  //计时器
        System.Timers.Timer timer2;  //计时器
        System.Timers.Timer timer3;  //计时器
        int min = 30; //要设置成60的分之一

        List<string> TestServerServices = new List<string>() { "BatteryService_Test", "BatteryStartService" };
        protected override void OnStart(string[] args)
        {
            timer1 = new System.Timers.Timer();
            timer1.Interval = 1000 * 60 * 5;  //用于启动另外一个看门狗
            timer1.Elapsed += new System.Timers.ElapsedEventHandler(timer1_Elapsed);
            timer1.Enabled = true;
            timer1.Start();
            //
            timer2 = new System.Timers.Timer();
            timer2.Interval = 1000 * 60 * min;  //设置计时器事件间隔执行时间  每隔30分钟执行一次
            timer2.Elapsed += new System.Timers.ElapsedEventHandler(timer2_Elapsed);
            timer2.Enabled = true;
            timer2.Start();
            //
            timer3 = new System.Timers.Timer();
            timer3.Interval = 1000 * 60 * 60;  //设置计时器事件间隔执行时间  每隔120分钟执行一次
            timer3.Elapsed += new System.Timers.ElapsedEventHandler(timer3_Elapsed);
            timer3.Enabled = true;
            timer3.Start();
        }

        protected override void OnStop()
        {
            timer1.Enabled = false; timer2.Enabled = false; timer3.Enabled = false;
        }

        /// <summary>
        /// 启动另外一个看门狗
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void timer1_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            ServiceController service = new ServiceController("BatteryServiceStart");
            try
            {
                if (service.Status != ServiceControllerStatus.Running)
                {
                    service.Start();
                    service.WaitForStatus(ServiceControllerStatus.Running);

                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
        }

        /// <summary>
        /// 根据时间 循环启动电柜服务
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void timer2_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            var Number = 24 * 60 / min;
            for (int i = 0; i < Number; i++)
            {
                var d = DateTime.Now.Minute + DateTime.Now.Hour * 60;
                var minTim = i * min;
                var maxTim = i * min + min;
                if (d > minTim && d < maxTim)
                {
                    Start(i % 5);
                }
            }
        }

        /// <summary>
        /// 启动电量统计 电池OTA  电池服务 预警中心
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void timer3_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            List<string> lst = new List<string>() { "BattertCabinetExecService", "BatteryOtaService", "BatteryService", "BatteryPoliceCenter" };
            foreach(var item in lst)
            {
                ServiceController service = new ServiceController(item);
                try
                {
                    if (service.Status != ServiceControllerStatus.Running)
                    {
                        service.Start();
                        service.WaitForStatus(ServiceControllerStatus.Running);

                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.ToString());
                }
            }
        }

        /// <summary>
        /// 循环重启电柜服务--每隔min==30分钟
        /// </summary>
        /// <param name="Number"></param>
        private static void Start(int Number)
        {
            List<string> serviceLst = new List<string>();
            switch (Number)
            {
                case 0: serviceLst = new List<string>() { "BatteryCabinetService", "BatteryCabinetService_1" }; break;
                case 1: serviceLst = new List<string>() { "BatteryCabinetService_2", "BatteryCabinetService_3" }; break;
                case 2: serviceLst = new List<string>() { "BatteryCabinetService_4", "BatteryCabinetService_5" }; break;
                case 3: serviceLst = new List<string>() { "BatteryCabinetService_6", "BatteryCabinetService_7" }; break;
                case 4: serviceLst = new List<string>() { "BatteryCabinetService_8", "BatteryCabinetService_9" }; break;
            }
            foreach(var item in serviceLst)
            {
                ServiceController service = new ServiceController(item);
                try
                {
                    if (service.Status != ServiceControllerStatus.Running)
                    {
                        service.Start();
                        service.WaitForStatus(ServiceControllerStatus.Running);
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.ToString());
                }
            }

        }
    }
}

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