private void ProcessFailedWatchersQueue(object sender, DoWorkEventArgs e)
{
var worker = sender as BackgroundWorker;
IDirectoryWatcher watcher = null;
bool enqueueWatcher = true;
do
{
if (this._failedWatchers.TryDequeue(out watcher))
{
try
{
var errArgs = watcher.CheckMonitoredPath().Result;
if (errArgs == null)
{// no errors detected
watcher.InitializeWatcher();
watcher.FileArrivedAsync += HandleFileArrivalAsync;
watcher.ErrorAsync += HandleWatcherErrorAsync;
watcher.IsEnabled = true;
watcher.CheckForExistingFiles();
enqueueWatcher = false;
}
}
catch
{
// log error
}
finally
{
if (enqueueWatcher)
{
this._failedWatchers.Enqueue(watcher);
}
else
{
// log re init
}
}
}
} while (watcher != null);
}