/// <summary>
/// 暂停下载任务
/// </summary>
public void Pause()
{
lock (_external_lock)
{
lock (_thread_flag_lock)
{
if ((_download_thread_flag & 0xffffff) == _DOWNLOAD_THREAD_FLAG_READY)
{
_download_thread_flag = (_download_thread_flag | _DOWNLOAD_THREAD_FLAG_PAUSED) & ~_DOWNLOAD_THREAD_FLAG_READY;
return;
}
if (((_download_thread_flag & 0xffffff) & (_DOWNLOAD_THREAD_FLAG_START_REQUESTED | _DOWNLOAD_THREAD_FLAG_STARTED)) != 0)
{
//Tracer.GlobalTracer.TraceInfo("---PAUSED---");
_download_thread_flag |= _DOWNLOAD_THREAD_FLAG_PAUSE_REQUESTED;
}
else
{
return;
}
}
_monitor_thread_created.Wait();
_monitor_thread.Join();
_monitor_thread_created.Reset();
}
try { TaskPaused?.Invoke(this, new EventArgs()); }
catch { }
}
public void Pause()
{
lock (_external_lock)
{
lock (_thread_flag_lock)
{
//ready state
if ((_upload_thread_flag & _UPLOAD_THREAD_FLAG_READY) != 0)
{
_upload_thread_flag = (_upload_thread_flag | _UPLOAD_THREAD_FLAG_PAUSED) & ~_UPLOAD_THREAD_FLAG_READY;
return;
}
//status failure
if ((_upload_thread_flag & (_UPLOAD_THREAD_FLAG_STARTED | _UPLOAD_THREAD_FLAG_START_REQUESTED)) != 0)
{
Tracer.GlobalTracer.TraceInfo("---PAUSED---");
_upload_thread_flag |= _UPLOAD_THREAD_FLAG_PAUSE_REQUESTED;
}
else
{
return;
}
_monitor_thread_created.Wait();
_monitor_thread_exited.Wait();
_monitor_thread_exited.Reset();
_monitor_thread_created.Reset();
}
}
try { TaskPaused?.Invoke(this, new EventArgs()); } catch { }
}
private void _on_task_paused(object sender, EventArgs e)
{
try { TaskPaused?.Invoke(sender, e); }
catch { }
}
internal void Pause()
{
IsPaused = true;
TaskPaused.WaitOne();
}
