public static Task <T> EnqueueAsync <T>(TwitterAccount account, RequestBase <T> request)
{
return(account.GetTaskFactory().StartNew(async() =>
{
var retryCount = 0;
do
{
try
{
return await request.Send(account).ConfigureAwait(false);
}
catch (WebException ex)
{
if (!CheckTemporaryError(ex) || retryCount >= request.RetryCount)
{
// request is something wrong.
throw;
}
}
catch (Exception)
{
if (retryCount >= request.RetryCount)
{
// request is something wrong.
throw;
}
}
retryCount++;
// wait retry delay
await Task.Delay(TimeSpan.FromSeconds(request.RetryDelaySec)).ConfigureAwait(false);
} while (true);
}).Unwrap());
}
public static IObservable <T> Enqueue <T>(TwitterAccount account, RequestBase <T> request)
{
#pragma warning disable 4014
var subject = new Subject <T>();
account.GetTaskFactory().StartNew(async() =>
{
Exception thrown;
var retryCount = 0;
do
{
try
{
var result = await request.Send(account);
Task.Run(() =>
{
subject.OnNext(result);
subject.OnCompleted();
});
return;
}
catch (WebException ex)
{
thrown = ex;
if (!CheckTemporaryError(ex))
{
// request is something wrong.
break;
}
}
catch (Exception ex)
{
thrown = ex;
}
retryCount++;
if (retryCount < request.RetryCount)
{
// wait retry delay
await Task.Run(() => Thread.Sleep(TimeSpan.FromSeconds(request.RetryDelaySec)));
}
} while (retryCount < request.RetryCount);
// throw last exception
Task.Run(() => subject.OnError(thrown));
});
return(subject.AsObservable());
#pragma warning restore 4014
}
