internal async Task EnqueueEvent(QueuedEventWrapperBase @event, CancellationToken cancellationToken)
{
await _semaphoreSlim.WaitAsync(cancellationToken);
_eventQueue.Enqueue(@event);
_semaphoreSlim.Release();
}
/// <summary>
/// Hosted service execute method
/// </summary>
/// <param name="stoppingToken"></param>
/// <returns></returns>
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
await Task.Run(async() =>
{
while (!stoppingToken.IsCancellationRequested)
{
if (!await _backgroundEventQueue.HasEvents(stoppingToken))
{
continue;
}
QueuedEventWrapperBase job = await _backgroundEventQueue.DequeueEvent(stoppingToken);
try
{
await job.Handle(stoppingToken);
}
catch (AggregateException ex)
{
await _exceptionHandler.Handle(ex, job.EventName);
}
}
}, stoppingToken);
}
