internal TaskWrapper getTask()
{
lock (TaskQueue) //使用TryEnter 导致了cpu的占用不稳定，升高，恢复原来的代码
//if (Monitor.TryEnter(TaskQueue))
{
try
{
if (TaskQueue.Count <= 0)
{
return(null);
}
else
{
TaskWrapper currentTask = TaskQueue.First.Value;
TaskQueue.RemoveFirst();
if (currentTask.canExecute)
{
return(currentTask);
}
else
{
return(null);
}
}
}
catch (System.Exception /* ex*/)
{
}
//finally
//{
// Monitor.Exit(TaskQueue);
//}
}
//else
//{
// return null;
//}
return(null);
}
internal TaskWrapper GetPreiodictTask(long ticks)
{
TaskWrapper result;
lock (this.PreiodictTaskList)
{
if (this.PreiodictTaskList.Count == 0)
{
result = null;
}
else if (this.PreiodictTaskList[0].StartTime > ticks)
{
result = null;
}
else
{
TaskWrapper taskWrapper = this.PreiodictTaskList[0];
this.PreiodictTaskList.RemoveAt(0);
result = taskWrapper;
}
}
return(result);
}
internal TaskWrapper getTask()
{
lock (this.TaskQueue)
{
try
{
if (this.TaskQueue.Count <= 0)
{
return(null);
}
TaskWrapper currentTask = this.TaskQueue.First.Value;
this.TaskQueue.RemoveFirst();
if (currentTask.canExecute)
{
return(currentTask);
}
return(null);
}
catch (Exception)
{
}
}
return(null);
}
public PeriodicTaskHandleImpl(TaskWrapper taskWrapper, ScheduleExecutor executor)
{
this.taskWrapper = taskWrapper;
this.executor = executor;
}
public void work()
{
lock (_lock)
{
nThreadCount++;
nThreadOrder = nThreadCount;
}
TaskWrapper taskWrapper = null;
int lastTickCount = int.MinValue;
while (!Program.NeedExitServer)
{
//检索可执行的任务
int tickCount = Environment.TickCount;
if (tickCount <= lastTickCount + 5)
{
if (lastTickCount <= 0 || tickCount >= 0) //考虑当打到int最大值时的情况
{
Thread.Sleep(5);
continue;
}
}
lastTickCount = tickCount;
long ticks = TimeUtil.NOW();
while (true)
{
try
{
taskWrapper = getCanExecuteTask(ticks);
if (null == taskWrapper || null == taskWrapper.CurrentTask)
{
break;
}
if (taskWrapper.canExecute)
{
try
{
taskWrapper.CurrentTask.run();
}
catch (System.Exception ex)
{
DataHelper.WriteFormatExceptionLog(ex, "异步调度任务执行异常", false);
}
}
//如果是周期执行的任务
if (taskWrapper.Periodic > 0 && taskWrapper.canExecute)
{
//设置下一次执行的时间
taskWrapper.resetStartTime();
executor.addTask(taskWrapper);
taskWrapper.addExecuteCount();
}
}
catch (System.Exception /* ex*/)
{
//LogManager.WriteLog(LogTypes.Error, string.Format("异步调度任务执行错误: {0}", ex));
}
}
}
System.Console.WriteLine(string.Format("ScheduleTask Worker{0}退出...", nThreadOrder));
}