void StopTimer()
{
var tx = clearTimer;
clearTimer = null;
if (tx != null)
{
tx.Dispose();
}
}
void StartTimer()
{
// 缓存数大于0才启动定时器
if (ClearExpriod <= 0 || Items.Count < 1)
{
return;
}
if (clearTimer == null)
{
clearTimer = new TimerX(RemoveNotAlive, null, ClearExpriod * 1000, ClearExpriod * 1000);
}
}
public static void Remove(TimerX timer)
{
if (timer == null)
{
return;
}
lock (timers)
{
WriteLog("TimerX.Remove {0}", timer);
if (timers.Contains(timer))
{
timers.Remove(timer);
}
}
}
/// <summary>把定时器加入队列</summary>
/// <param name="timer"></param>
public static void Add(TimerX timer)
{
lock (timers)
{
timers.Add(timer);
WriteLog("TimerX.Add {0}ms {1}", timer.Period, timer);
if (thread == null)
{
thread = new Thread(Process);
//thread.Name = "TimerX";
thread.Name = "T";
thread.IsBackground = true;
thread.Start();
}
if (waitForTimer != null && waitForTimer.SafeWaitHandle != null && !waitForTimer.SafeWaitHandle.IsClosed)
{
waitForTimer.Set();
}
}
}
/// <summary>处理每一个定时器</summary>
/// <param name="timer"></param>
static void ProcessItem(TimerX timer)
{
// 删除过期的，为了避免占用过多CPU资源，TimerX禁止小于10ms的任务调度
if (!timer.Callback.IsAlive || timer.Period < 10 && timer.Period > 0)
{
// 周期0表示只执行一次
//if (timer.Period < 10 && timer.Period > 0) XTrace.WriteLine("为了避免占用过多CPU资源，TimerX禁止小于10ms的任务调度，关闭任务{0}", timer);
lock (timers)
{
timers.Remove(timer);
timer.Dispose();
}
return;
}
var ts = timer.NextTime - DateTime.Now;
var d = (Int32)ts.TotalMilliseconds;
if (d > 0)
{
// 缩小间隔，便于快速调用
if (d < period)
{
period = d;
}
return;
}
//WriteLog("TimerX.Process {0}", timer);
try
{
timer.Calling = true;
Action <Object> callback = timer.Callback;
// 线程池调用
if (timer.UseThreadPool)
{
//ThreadPoolX.QueueUserWorkItem(delegate() { callback(timer.State); });
}
else
{
callback(timer.State);
}
}
catch (ThreadAbortException) { throw; }
catch (ThreadInterruptedException) { throw; }
catch { }
finally
{
timer.Timers++;
timer.Calling = false;
timer.NextTime = DateTime.Now.AddMilliseconds(timer.Period);
// 清理一次性定时器
if (timer.Period <= 0)
{
lock (timers)
{
timers.Remove(timer);
timer.Dispose();
}
}
if (timer.Period < period)
{
period = timer.Period;
}
}
}
/// <summary>延迟执行一个委托</summary>
/// <param name="callback"></param>
/// <param name="ms"></param>
/// <returns></returns>
public static TimerX Delay(WaitCallback callback, Int32 ms)
{
var timer = new TimerX(callback, null, ms, 0);
return(timer);
}