private OperationResultCode DownloadUpdatesUtil(CancellationToken cancellationToken)
{
try
{
UpdateDownloader uDownloader = this._uSession.CreateUpdateDownloader();
UpdateCollection updatesToDownload = new UpdateCollection();
foreach (WUUpdateWrapper item in this._wuCollectionWrapper.Collection.Values)
{
if (!item.IsDownloaded)
{
if (item.Update.EulaAccepted == false)
{
if (this._serviceSettings.AcceptWindowsUpdateEula)
{
try
{
item.Update.AcceptEula();
}
catch (Exception e)
{
_eventSource.WarningMessage(string.Format("Error occurred while accepting Eula for {0} . Exception : {1}",
item, e));
}
updatesToDownload.Add(item.Update);
}
}
else
{
updatesToDownload.Add(item.Update);
}
}
}
uDownloader.Updates = updatesToDownload;
DownloadCompletedCallback downloadCompletedCallback = new DownloadCompletedCallback();
IDownloadJob downloadJob = uDownloader.BeginDownload(new DownloadProgressChangedCallback(),
downloadCompletedCallback, null);
TimeSpan operationTimeOut = TimeSpan.FromMinutes(this._serviceSettings.WUOperationTimeOutInMinutes);
if (
!this._helper.WaitOnTask(downloadCompletedCallback.Task, (int)operationTimeOut.TotalMilliseconds,
cancellationToken))
{
_eventSource.Message("downloadJob : Requested Abort");
downloadJob.RequestAbort();
}
IDownloadResult uResult = uDownloader.EndDownload(downloadJob);
for (int i = 0; i < updatesToDownload.Count; i++)
{
var hResult = uResult.GetUpdateResult(i).HResult;
var updateID = updatesToDownload[i].Identity.UpdateID;
this._wuCollectionWrapper.Collection[updateID].IsDownloaded = (hResult == 0);
if (hResult != 0)
{
_eventSource.WarningMessage(string.Format("Download for update ID {0} returned hResult {1}", updateID, hResult));
}
}
return(uResult.ResultCode);
}
catch (Exception e)
{
if ((uint)e.HResult == WUErrorCodes.WU_E_NO_UPDATE)
{
return(OperationResultCode.orcSucceeded); // no updates found.
}
_eventSource.InfoMessage("Exception while downloading Windows-Updates: {0}", e);
return(OperationResultCode.orcFailed);
}
}
void AbortDownload()
{
DebugLog("Requesting abort downlaod...");
downloadJob_?.RequestAbort();
}
public override void RequestAbort() => _job.RequestAbort();