protected override Task ExecuteAsync(CancellationToken stoppingToken)
{
_logger.LogBackgroundServiceStarting(this);
// Run another task to avoid deadlocks
return(Task.Factory.StartNew(
async() =>
{
try
{
Lock = await _distributedLockManager.AcquireAsync(_distributedLockSettings, stoppingToken)
.ConfigureAwait(false);
if (Lock != null)
{
_logger.LogBackgroundServiceLockAcquired(this);
}
await ExecuteLockedAsync(stoppingToken).ConfigureAwait(false);
}
catch (TaskCanceledException)
{
// Don't log exception that is fired by the cancellation token.
}
catch (Exception ex)
{
_logger.LogBackgroundServiceException(this, ex);
}
finally
{
if (Lock != null)
{
await Lock.ReleaseAsync().ConfigureAwait(false);
}
}
},
stoppingToken,
TaskCreationOptions.LongRunning,
TaskScheduler.Default));
}