/// <summary>
/// 执行任务的回调函数
/// </summary>
/// <param name="result"></param>
private static void CallBackOfDoJob(IAsyncResult result)
{
TaskInfo task = (TaskInfo)result.AsyncState;
try
{
DoJobDelegate del = (DoJobDelegate)task.ExternOperationObject;
del.EndInvoke(result);
}
catch (Exception ex)
{
task.ErrorTimesOfNowOperation = task.ErrorTimesOfNowOperation + 1;
//失败执行写入日志
ServiceLog.SaveLog("执行任务(CallBackOfDoJob)：" + task.TaskName + "失败！" + DateTime.Now.ToString() + "\r\n" + ex.Message + "\r\n" + ex.StackTrace + "\r\n");
}
finally
{
task.IsExecuting = false;
task.LastExecuteTime = DateTime.Now;
}
}
/// <summary>
/// 轮询线程的入口
/// </summary>
public static void PollingThreadEntrance()
{
while (RuntimeInfo.ContinueWork)
{
for (int i = 0; i < 60 && RuntimeInfo.ContinueWork; i++)
{
Thread.Sleep(1000);
}
//每隔1分钟进行一次调度
if (RuntimeInfo.ContinueWork)
{
for (int i = 0; i < TaskInfoList.Count; i++)
{
TaskInfo theTaskInfo = TaskInfoList[i];
if (theTaskInfo.IsExecuting)
{
continue;
}
var taskConfig = theTaskInfo.ConfigOfTask;
string timeTag = GetTimeTagOfLatestOperation(theTaskInfo);
if (string.IsNullOrEmpty(theTaskInfo.TimeTagOfNowOperation))
{
theTaskInfo.TimeTagOfNowOperation = timeTag;
}
StringBuilder logBuffer = new StringBuilder();
logBuffer.Append("调度任务：本次计算所得的调度时间为[").Append(timeTag).Append("]，");
logBuffer.Append("任务已执行的调度时间为[").Append(theTaskInfo.TimeTagOfNowOperation).AppendLine("]。");
bool doJob = false;
TimeSpan tsToLastExecute;
switch (taskConfig.LoopType)
{
case TaskLoopType.NotLoop:
if (!theTaskInfo.HaveExecuteIfNotLoop)
{
doJob = true;
}
break;
case TaskLoopType.SecondInterval:
tsToLastExecute = DateTime.Now.Subtract(theTaskInfo.LastExecuteTime);
if (tsToLastExecute.TotalSeconds > taskConfig.LoopInterval)
{
doJob = true;
}
break;
case TaskLoopType.PerDay:
case TaskLoopType.PerHour:
case TaskLoopType.PerMonth:
case TaskLoopType.PerWeek:
if (timeTag != theTaskInfo.TimeTagOfNowOperation)
{
theTaskInfo.TimeTagOfNowOperation = timeTag;
doJob = true;
}
else if (!theTaskInfo.IsSuccessOfNowOperation && theTaskInfo.ErrorTimesOfNowOperation < taskConfig.TryTimesIfFailure)
{
tsToLastExecute = DateTime.Now.Subtract(theTaskInfo.LastExecuteTime);
if (tsToLastExecute.TotalSeconds > taskConfig.TryIntervalAfterFailure)
{
logBuffer.AppendLine("当前为失败后重试");
doJob = true;
}
}
break;
default:
break;
}
if (doJob)
{
logBuffer.AppendLine("经过计算，本次轮询将执行任务新的轮次");
DoJobDelegate del = new DoJobDelegate(DoJob);
theTaskInfo.IsExecuting = true;
theTaskInfo.ExternOperationObject = del;
del.BeginInvoke(theTaskInfo, new AsyncCallback(CallBackOfDoJob), theTaskInfo);
}
else
{
logBuffer.AppendLine("本次轮询不执行任务");
}
ServiceLog.SaveDebugLog(theTaskInfo.TaskName, logBuffer.ToString());
}
}
}
}
public JobScheduler(DoJobDelegate del)
{
ExecuteJobAction = del;
}
