/// <summary>
/// Callback. Used by the windows update api when the download completes. Do not call this method.
/// </summary>
void Invoke(IDownloadJob downloadJob, IDownloadCompletedCallbackArgs callbackArgs)
{
bool doCallback = false;
lock (JobLock)
{
if (Job != null && Job.InternalJobObject == downloadJob && Job.IsCompleted)
{
StopTimeoutTimer();
doCallback = true;
}
}
// calling the callback inside the lock can lead to deadlocks when the callback tries to dispose this object
if (doCallback)
{
_completedCallback(_uDownloader.EndDownload(DownloadJob), _uDownloader.Updates);
}
}
void DownloadComplete()
{
_downloadResult = _updateDownloader.EndDownload(_downloadJob);
_downloadJob = null;
if (_downloadResult.ResultCode == OperationResultCode.orcSucceeded ||
_downloadResult.ResultCode == OperationResultCode.orcSucceededWithErrors)
{
this.ShowProgressMessage("progress_download", "");
if (_downloadResult.ResultCode == OperationResultCode.orcSucceeded)
{
this.AppendString("下载完成。\r\n");
}
else
{
this.AppendString("下载部分完成，部分出错。\r\n");
}
#if NO
DialogResult result = MessageBox.Show(this,
"要安装这些更新么?",
"WindowsUpdateDialog",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
if (result == System.Windows.Forms.DialogResult.No)
{
OnAllComplete();
return;
}
#endif
BeginInstallation();
}
else
{
this.AppendString("下载更新失败。错误码: " + _downloadResult.ResultCode);
// 全部结束
OnAllComplete();
}
}
//Downlaod Complete callback
void IDownloadCompletedCallback.Invoke(IDownloadJob downloadJob, IDownloadCompletedCallbackArgs callbackArgs)
{
try
{
var downloadResult = updateDownloader.EndDownload(downloadJob);
//todo could downloads partially fail: the result above not success, but still some updates available for install?
if (downloadResult.ResultCode != OperationResultCode.orcSucceeded && downloadResult.ResultCode != OperationResultCode.orcSucceededWithErrors)
{
DebugLog($"Download failed with code: {downloadResult.ResultCode}");
//return;
DownloadCompleted?.Invoke(false);
}
else
{
//ReadyToInstall?.Invoke();
DownloadCompleted?.Invoke(true);
}
for (int i = 0; i < downloadJob.Updates.Count; i++)
{
var resultCode = downloadResult.GetUpdateResult(i).ResultCode;
var title = downloadJob.Updates[i].Title;
if (resultCode != OperationResultCode.orcSucceeded)
{
//the title must be there
//but if it it not for some reason we will detect this (via dict. exception)
updateResults[title].Error = resultCode.ToString();
updateResults[title].IsInstalled = false;
}
DebugLog($"Download status for update {title}: {resultCode}");
}
}
catch (Exception ex)
{
DownloadCompleted?.Invoke(false);
Log.Error("IDownloadCompletedCallback.Invoke", ex.ToString());
}
}
/// <summary>
/// アップデートのダウンロードを非同期に行う
/// </summary>
/// <param name="downloader"></param>
/// <param name="progress"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static Task <IDownloadResult> DownloadAsync(this IUpdateDownloader downloader, Action <IDownloadProgress> progress, CancellationToken cancellationToken = default(CancellationToken))
{
var task = new TaskCompletionSource <IDownloadResult>();
if (cancellationToken.IsCancellationRequested)
{
task.TrySetCanceled(cancellationToken);
return(task.Task);
}
var job = null as IDownloadJob;
var reg = null as CancellationTokenRegistration?;
job = downloader.BeginDownload(new DownloadProgressChangedCallback(progress),
new DownloadCompletedCallback((_job2, args) =>
{
try
{
try
{
task.TrySetResult(downloader.EndDownload(_job2));
}
catch (Exception e)
{
task.TrySetException(e);
}
}
finally
{
job = null;
reg?.Dispose();
}
}), null);
reg = cancellationToken.Register(() =>
{
task.TrySetCanceled(cancellationToken);
job?.RequestAbort();
});
return(task.Task);
}
public void Start(bool showProgress)
{
this.ShowProgress = showProgress;
Console.WriteLine("WUA_Starting");
IUpdateSession updateSession = new UpdateSessionClass();
IUpdateSearcher updateSearcher = updateSession.CreateUpdateSearcher();
IUpdateDownloader updateDownloader = updateSession.CreateUpdateDownloader();
IUpdateInstaller updateInstaller = updateSession.CreateUpdateInstaller();
if (updateInstaller.IsBusy)
{
Console.WriteLine("WUA_IsBusy");
return;
}
// SEARCHING
Console.WriteLine("WUA_FindingUpdates");
ISearchResult searchResult = updateSearcher.Search("IsInstalled=0 and Type='Software'");
if (searchResult.Updates.Count.Equals(0))
{
Console.WriteLine("WUA_NoApplicableUpdates");
return;
}
// LISTING
UpdateCollection updateToDownload = new UpdateCollectionClass();
for (int i = 0; i < searchResult.Updates.Count; i++)
{
IUpdate update = searchResult.Updates[i];
Console.WriteLine("WUA_UpdateItem:{0}|{1}", i + 1, update.Title);
if (!update.IsDownloaded)
{
updateToDownload.Add(update);
}
}
// DOWNLOADING
if (!updateToDownload.Count.Equals(0))
{
Console.WriteLine("WUA_DownloadingStarted");
updateDownloader.Updates = updateToDownload;
updateDownloader.IsForced = true;
updateDownloader.Priority = DownloadPriority.dpHigh;
IDownloadJob job = updateDownloader.BeginDownload(this, this, updateDownloader);
IDownloadResult downloaderResult = updateDownloader.EndDownload(job);
Console.WriteLine("WUA_DownloadingCompleted:{0}", downloaderResult.ResultCode);
}
// INSTALLATION
updateInstaller.Updates = searchResult.Updates;
updateInstaller.IsForced = true;
Console.WriteLine("WUA_InstallationStarted");
IInstallationJob installationJob = updateInstaller.BeginInstall(this, this, updateInstaller);
IInstallationResult result = updateInstaller.EndInstall(installationJob);
Console.WriteLine("WUA_InstallationCompleted:{0}|{1}", result.ResultCode, result.RebootRequired);
// RESULT
for (int i = 0; i < searchResult.Updates.Count; i++)
{
IUpdateInstallationResult resultItem = result.GetUpdateResult(i);
Console.WriteLine("WUA_InstallationResult:{0}|{1}|{2}",
i + 1, resultItem.ResultCode, resultItem.RebootRequired);
}
Console.WriteLine("WUA_Finish");
}