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using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Diagnostics;using System.IO;using System.Linq;using System.Reflection;using System.ServiceProcess;using System.Text;using System.Threading;using System.Threading.Tasks;using System.Transactions;using System.Xml;
/*================================================== * Name:定時執行任務 * Author:John.yuan * Time:2015-01-08 * Modify:====================================================*/namespace TimingTask{ public partial class TimingTaskService : ServiceBase { private string taskConnectionString; private string logPath; private long periodSecond;
private List<TimingTaskInfo> taskList;
/// <summary>
/// 構造函數
/// </summary>
public TimingTaskService() { InitializeComponent(); XmlDocument docConfig = new XmlDocument(); try { docConfig.Load(System.Environment.CurrentDirectory + "/TimingTaskConfig.xml"); XmlNodeList xnl = docConfig.SelectNodes(@"//Tasks");
foreach (XmlNode xn in xnl) { taskConnectionString = xn.Attributes["ConnectionString"].Value; periodSecond = long.Parse(xn.Attributes["Period"].Value); logPath = xn.Attributes["LogPath"].Value; } } catch (Exception e) { WriteLog("TimingTaskService:" + e.Message); } }
/// <summary>
/// 初始化定時任務
/// </summary>
private void InitializeTimingTask() { XmlDocument docConfig = new XmlDocument(); docConfig.Load(System.Environment.CurrentDirectory + "/TimingTaskConfig.xml"); XmlNodeList xnl = docConfig.SelectNodes(@"//Task[@IsEnabled='Y']");
taskList = new List<TimingTaskInfo>(); foreach (XmlNode xn in xnl) { string taskID = xn.Attributes["ID"].Value; string taskName = xn.Attributes["Name"].Value; TaskType timingTaskType; switch (xn.Attributes["TaskType"].Value) { case "M": timingTaskType = TaskType.Month; break; case "D": timingTaskType = TaskType.Day; break; case "W": timingTaskType = TaskType.Week; break; case "P": timingTaskType = TaskType.Period; break; default: WriteLog("InitializeTimingTask:任務類型配置異常。"); continue; }
DateTime beginTime; DateTime endTime; try { beginTime = AnalyzeTime(timingTaskType, xn.Attributes["BeginTime"].Value); endTime = AnalyzeTime(timingTaskType, xn.Attributes["EndTime"].Value); if (beginTime.Ticks >= endTime.Ticks) { WriteLog("InitializeTimingTask:開始時間或結束時間配置異常。"); continue; } } catch (Exception e) { WriteLog("InitializeTimingTask:" + e.Message); continue; }
long period = long.Parse(xn.Attributes["Period"].Value); if (beginTime.Ticks > DateTime.Now.Ticks || endTime.Ticks <= DateTime.Now.Ticks) { switch (timingTaskType) { case TaskType.Day: beginTime = beginTime.AddDays(1); endTime = endTime.AddDays(1); break; case TaskType.Month: beginTime = beginTime.AddMonths(1); endTime = endTime.AddMonths(1); break; case TaskType.Week: beginTime = beginTime.AddDays(7); endTime = endTime.AddDays(7); break; case TaskType.Period: continue; default: WriteLog("InitializeTimingTask:任務類型配置異常。"); continue; } }
string className = xn.Attributes["ClassName"].Value; string assemblyName = xn.Attributes["AssemblyName"].Value;
try { Assembly taskAssembly = Assembly.LoadFrom(System.Environment.CurrentDirectory + @"/LIB/" + assemblyName); Type taskAssType = taskAssembly.GetType(className); TimingTaskBase.TimingTaskBase timingObj = (TimingTaskBase.TimingTaskBase)Activator.CreateInstance(taskAssType);
TimingTaskInfo taskInfo = new TimingTaskInfo() { TaskID = taskID, TaskName = taskName, BeginTime = beginTime, EndTime = endTime, TaskType = timingTaskType, TaskObject = timingObj, Period = period, LastCompleteTime = null }; taskList.Add(taskInfo); } catch (Exception e) { WriteLog("InitializeTimingTask:" + e.Message); } } }
protected override void OnStart(string[] args) { try { //初始化任務信息
InitializeTimingTask(); InitializeEachTaskTimer(); } catch (Exception e) { WriteLog("OnStart:" + e.Message); } }
protected override void OnStop() { try { using (TransactionScope trans = new TransactionScope()) { XmlDocument docConfig = new XmlDocument(); docConfig.Load(System.Environment.CurrentDirectory + "/TimingTaskConfig.xml"); foreach (TimingTaskInfo timingInfo in this.taskList) { timingInfo.TaskTimer.Change(-1, -1); XmlNodeList xnl = docConfig.SelectNodes(@"//Tasks[@ID='" + timingInfo.TaskID + "']"); foreach (XmlNode xn in xnl) { XmlElement xmlEmt = (XmlElement)xn; xmlEmt.SetAttribute("LastCompleteTime", timingInfo.LastCompleteTime.Value.ToString("yyyy-MM-dd HH:mm:ss")); } } docConfig.Save(System.Environment.CurrentDirectory + "/TimingTaskConfig.xml"); trans.Complete(); } } catch (Exception e) { WriteLog("OnStop:" + e.Message); } }
/// <summary>
/// 計時器回呼函數
/// </summary>
/// <param name="state"></param>
protected void InitializeEachTaskTimer() { foreach (TimingTaskInfo timingInfo in this.taskList) { if (timingInfo.BeginTime.Ticks <= DateTime.Now.Ticks && DateTime.Now.Ticks < timingInfo.EndTime.Ticks) { try { if (timingInfo.LastCompleteTime == null || !timingInfo.LastCompleteTime.HasValue) { timingInfo.TaskTimer = new Timer(new TimerCallback(TaskExecute), timingInfo, 0, timingInfo.Period); } else { switch (timingInfo.TaskType) { case TaskType.Day: if (timingInfo.LastCompleteTime.Value.Ticks < timingInfo.BeginTime.Ticks) { timingInfo.TaskTimer = new Timer(new TimerCallback(TaskExecute), timingInfo, 0, timingInfo.Period); } break; case TaskType.Week: if (timingInfo.LastCompleteTime.Value.Ticks < timingInfo.BeginTime.Ticks) { timingInfo.TaskTimer = new Timer(new TimerCallback(TaskExecute), timingInfo, 0, timingInfo.Period); } break; case TaskType.Month: if (timingInfo.LastCompleteTime.Value.Ticks < timingInfo.BeginTime.Ticks) { timingInfo.TaskTimer = new Timer(new TimerCallback(TaskExecute), timingInfo, 0, timingInfo.Period); } break; case TaskType.Period: timingInfo.TaskTimer = new Timer(new TimerCallback(TaskExecute), timingInfo, 0, timingInfo.Period); break; default: WriteLog("任務配置資訊錯誤。"); break; } } } catch (Exception e) { WriteLog("CallEachTask:" + e.Message); } } } }
/// <summary>
/// 任務執行介面
/// </summary>
/// <param name="state"></param>
private void TaskExecute(object state) { using (TransactionScope trans = new TransactionScope()) { try { TimingTaskInfo timingInfo = (TimingTaskInfo)state; TimingTaskBase.TimingTaskBase timingBase = timingInfo.TaskObject; timingBase.Run();
timingInfo.LastCompleteTime = DateTime.Now; trans.Complete(); WriteLog(timingInfo.TaskName + ",執行成功。"); } catch (Exception e) { WriteLog("TaskExecute:" + e.Message); } } }
/// <summary>
/// 分析時間字串
/// </summary>
/// <param name="tkType"></param>
/// <param name="timeString"></param>
/// <returns></returns>
private DateTime AnalyzeTime(TaskType tkType, string timeString) { DateTime resultTime;
string[] timeArray = timeString.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries); if (timeArray.Length < 3 || timeArray.Length > 3) { throw new Exception("開始時間或結束時間參數設置錯誤。"); }
switch (tkType) { case TaskType.Day: if ("*" == timeArray[1] || "*" == timeArray[2]) { throw new Exception("開始時間或結束時間參數設置錯誤。"); } else { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, int.Parse(timeArray[1]), int.Parse(timeArray[2]), 0); } break; case TaskType.Week: if ("*" == timeArray[0] || "*" == timeArray[1] || "*" == timeArray[2]) { throw new Exception("開始時間或結束時間參數設置錯誤。"); } else { if ((int)DateTime.Now.DayOfWeek > int.Parse(timeArray[0])) { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.AddDays(7 + int.Parse(timeArray[0]) - (int)DateTime.Now.DayOfWeek).Day, int.Parse(timeArray[1]), int.Parse(timeArray[2]), 0); } else if ((int)DateTime.Now.DayOfWeek < int.Parse(timeArray[0])) { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.AddDays(int.Parse(timeArray[0]) - (int)DateTime.Now.DayOfWeek).Day, int.Parse(timeArray[1]), int.Parse(timeArray[2]), 0); } else { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, int.Parse(timeArray[1]), int.Parse(timeArray[2]), 0); } } break; case TaskType.Month: if ("*" == timeArray[0] || "*" == timeArray[1] || "*" == timeArray[2]) { throw new Exception("開始時間或結束時間參數設置錯誤。"); } else { if (DateTime.Now.Day > int.Parse(timeArray[0])) { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.AddDays(-DateTime.Now.Day).AddMonths(1).AddDays(int.Parse(timeArray[0])).Day, int.Parse(timeArray[1]), int.Parse(timeArray[2]), 0); } else { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, int.Parse(timeArray[0]), int.Parse(timeArray[1]), int.Parse(timeArray[2]), 0); } } break; case TaskType.Period: if ("*" != timeArray[0] && "*" != timeArray[1] && "*" != timeArray[2]) { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, int.Parse(timeArray[0]), int.Parse(timeArray[1]), int.Parse(timeArray[2]), 0); } else if ("*" != timeArray[1] && "*" != timeArray[2]) { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, int.Parse(timeArray[1]), int.Parse(timeArray[2]), 0); } else if ("*" != timeArray[2]) { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, DateTime.Now.Hour, int.Parse(timeArray[2]), 0); } else { resultTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, DateTime.Now.Hour, DateTime.Now.Minute, DateTime.Now.Second, 0); } break; default: resultTime = DateTime.Now; break; }
if (resultTime.Ticks > DateTime.Now.Ticks) { return resultTime; } else { return DateTime.Now; } }
/// <summary>
/// 寫定時任務日誌
/// </summary>
/// <param name="strMsg"></param>
private void WriteLog(string strMsg) { string strFile = logPath + @"/TimingTaskLog.log"; object objLock = new object();
if (!File.Exists(strFile)) { File.Create(strFile); }
lock (objLock) { StreamWriter sw = new StreamWriter(strFile, true);
sw.WriteLine(DateTime.Now.ToString()); sw.WriteLine("message text:" + strMsg); sw.Close(); } } }}
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