async Task WrapJobInRetryingMechanism(
RetryingThreadLoopJob job)
{
var attempts = 0;
var exceptionsCaught = new HashSet <Exception>();
try
{
attempts++;
await job.Action();
threadLoop.Stop();
}
catch (Exception ex)
{
logger.Warning("Attempt #{attempt}. Will try {tries} more times. {message}", attempts, job.AttemptsBeforeFailing - attempts, ex.Message);
exceptionsCaught.Add(ex);
if (job.IsExceptionIgnored?.Invoke(ex) != true)
{
throw;
}
if (attempts == job.AttemptsBeforeFailing)
{
throw new AggregateException(
"The operation timed out while attempting to invoke the given job, and several exceptions were caught within the duration of these attempts.",
exceptionsCaught);
}
await Task.Delay(job.IntervalInMilliseconds);
}
}
public Task StartAsync(
RetryingThreadLoopJob job)
{
if (job == null)
{
throw new ArgumentNullException(
nameof(job));
}
if (job.Action == null)
{
throw new ArgumentNullException(
nameof(job.Action));
}
if (job.AttemptsBeforeFailing <= 0)
{
throw new ArgumentException(
"You must provide more than 0 attempts.",
nameof(job.AttemptsBeforeFailing));
}
return(threadLoop.StartAsync(
async() =>
await WrapJobInRetryingMechanism(job),
job.CancellationToken));
}
async Task WrapJobInRetryingMechanism(
RetryingThreadLoopJob job)
{
var attempts = 0;
var exceptionsCaught = new HashSet<Exception>();
try
{
attempts++;
await job.Action();
threadLoop.Stop();
}
catch (Exception ex)
{
exceptionsCaught.Add(ex);
if ((job.IsExceptionIgnored != null) &&
!job.IsExceptionIgnored(ex))
{
throw;
}
if (attempts == job.AttemptsBeforeFailing)
{
throw new AggregateException(
"The operation timed out while attempting to invoke the given job, and several exceptions were caught within the duration of these attempts.",
exceptionsCaught);
}
await Task.Delay(job.IntervalInMilliseconds);
}
}
async Task WrapJobInRetryingMechanism(
RetryingThreadLoopJob job)
{
var attempts = 0;
var exceptionsCaught = new HashSet <Exception>();
try
{
attempts++;
await job.Action();
threadLoop.Stop();
}
catch (Exception ex)
{
exceptionsCaught.Add(ex);
if ((job.IsExceptionIgnored != null) &&
!job.IsExceptionIgnored(ex))
{
throw;
}
if (attempts == job.AttemptsBeforeFailing)
{
throw new AggregateException(
"The operation timed out while attempting to invoke the given job, and several exceptions were caught within the duration of these attempts.",
exceptionsCaught);
}
await Task.Delay(job.IntervalInMilliseconds);
}
}
public Task StartAsync(
RetryingThreadLoopJob job)
{
if (job == null)
{
throw new ArgumentNullException(
nameof(job));
}
if (job.Action == null)
{
throw new ArgumentNullException(
nameof(job.Action));
}
if (job.AttemptsBeforeFailing <= 0)
{
throw new ArgumentException(
"You must provide more than 0 attempts.",
nameof(job.AttemptsBeforeFailing));
}
return threadLoop.StartAsync(async () =>
await WrapJobInRetryingMechanism(job),
job.CancellationToken);
}
