protected async override Task ExecuteAsync(
CancellationToken cancellationToken)
{
_logger.LogInformation("Queued Hosted Service is starting.");
BaseTask workItem = null;
while (!cancellationToken.IsCancellationRequested)
{
if (this.GetValueCounter() > _maxDequeueCountPerMin) // allow start 80 action per minute
{
string msg = string.Format("SKIPPED queued action counter: {0}. In Queue: {1}. MaxCounter: {2}.", _counter, TaskQueue.Count(), _maxDequeueCountPerMin);
_logger.LogInformation(msg);
Console.WriteLine(msg);
Thread.Sleep(1000 * 10);
}
else
{
var t = await TaskQueue.Dequeue();
t.Start();
this.IncreaseCounter(1);
string msg = string.Format("DEQUEUE Queued Hosted Service count: {0}. In Queue: {1}. MaxCounter: {2}.", _counter, TaskQueue.Count(), _maxDequeueCountPerMin);
_logger.LogInformation(msg);
Console.WriteLine(msg);
}
}
_logger.LogInformation("Queued Hosted Service is stopping.");
}
public void QueueBackgroundWorkItem(BaseTask workItem)
{
if (workItem == null)
{
throw new ArgumentNullException(nameof(workItem));
}
Console.WriteLine("WorkItem Enqueue. TaskId: {0}", workItem.TaskID);
_workItems.Enqueue(workItem);
_signal.Release();
}