private void DoWork()
{
while (true)
{
if (_progressHost.CancelRequested)
{
throw new OperationCancelledException();
}
bool success;
DownloadWorkItem workItem =
(DownloadWorkItem)_downloadQueue.TryDequeue(out success);
if (!success)
{
return; // no more work in queue; this thread is done
}
try
{
workItem.Download();
}
catch (Exception e)
{
Trace.WriteLine("Error downloading link while importing favorites: " + e.ToString());
}
}
}
public DownloadResults Download()
{
TickableProgressTick tickableProgress = new TickableProgressTick(_progressHost, _urlsToDownload.Count);
Hashtable workItems = new Hashtable();
foreach (string url in _urlsToDownload.Keys)
{
DownloadWorkItem workItem = new DownloadWorkItem(url, (int)_urlsToDownload[url], tickableProgress);
workItems.Add(url, workItem);
_downloadQueue.Enqueue(workItem);
}
ParallelExecution execution = new
ParallelExecution(new ThreadStart(DoWork), _threadCount);
execution.Execute();
DownloadResults results = new DownloadResults();
foreach (string url in workItems.Keys)
{
results.AddResult(url, ((DownloadWorkItem)workItems[url]).FilePath);
}
return(results);
}
/// <summary>
/// The work to be performed by each worker thread.
/// </summary>
private void WorkerThreadStart()
{
while (true)
{
bool success;
DownloadWorkItem workItem = (DownloadWorkItem)workQueue.TryDequeue(out success);
if (!success)
{
return; // no more work in queue; this thread is done
}
try
{
workItem.progressHost.UpdateProgress(string.Format(CultureInfo.CurrentCulture, Res.Get(StringId.ProgressDownloading), workItem.reference.AbsoluteUrl));
DownloadReference(workItem.reference, workItem.siteStorage, new ProgressHostFilter(workItem.progressHost, ProgressHostFilter.MessageType.UpdateMessage));
}
catch (Exception e)
{
HandleException(e);
}
}
}
public DownloadResults Download()
{
TickableProgressTick tickableProgress = new TickableProgressTick(_progressHost, _urlsToDownload.Count);
Hashtable workItems = new Hashtable();
foreach (string url in _urlsToDownload.Keys)
{
DownloadWorkItem workItem = new DownloadWorkItem(url, (int)_urlsToDownload[url], tickableProgress);
workItems.Add(url, workItem);
_downloadQueue.Enqueue(workItem);
}
ParallelExecution execution = new
ParallelExecution(new ThreadStart(DoWork), _threadCount);
execution.Execute();
DownloadResults results = new DownloadResults();
foreach (string url in workItems.Keys)
{
results.AddResult(url, ((DownloadWorkItem)workItems[url]).FilePath);
}
return results;
}
