public Uploader StartUpload(string apiKey, string apiSecret, string apiBase, DS4Session session)
{
Uploader uploader;
if (!_uploaders.TryGetValue(session, out uploader))
{
uploader = new Uploader(apiKey, apiSecret, apiBase, session);
uploader.Completing += (sender, e) =>
{
if (e.Success)
{
//session.Metadata.BodyhubPersonId = e.BodyhubPersonId;
//_store.Save();
}
};
_uploaders[session] = uploader;
}
if (!File.Exists(session.CompressedScanFile))
{
// Something went wrong probably during Compression and file is deleted
throw new InvalidOperationException("Compressed Scan file is missing!");
}
session.Uploader = uploader;
if (uploader.Waiting)
{
throw new InvalidOperationException("Uploader is already enqueued for upload");
}
else if (uploader.InProgress)
{
throw new InvalidOperationException("Upload is already in progress");
}
else if (uploader.ReTrying)
{
AutoReTryer autoReTryer = uploader.ReTryer;
if (autoReTryer == null)
{
throw new InvalidOperationException("Uploader in ReTrying state should have a ReTryer registered");
}
autoReTryer.StartNow();
}
else
{
EnqueueUploadWork(uploader);
}
return(uploader);
}
/// <summary>
/// Processing upload result and re-upload using a linear back-off function
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Workqueue_UploadWorkCompleted(object sender, WorkCompletedEventArgs <Uploader, UploadResult> e)
{
Uploader uploader = e.WorkItem;
UploadResult result = e.Result;
if (result.Exception != null && !result.Canceled)
{
//Re-upload
AutoReTryer autoReTryer = uploader.ReTryer;
if (autoReTryer == null)
{
autoReTryer = new AutoReTryer(
() => EnqueueUploadWork(uploader),
(seq) => seq + 1,
REUPLOAD_INTERVAL_IN_SECONDS);
uploader.ReTryer = autoReTryer;
}
autoReTryer.StartOrContinueCountdown();
}
}
