private void scanDirectory(DirectoryEntry <Metadata> directory)
{
_scannedDirectory = directory;
_interruptScanningDirectory = false;
var path = directory.GetPath();
directory.Data.ResetScanningTime();
try
{
scanDirectory(directory, path);
}
catch (DirectoryNotFoundException)
{
DirectoryScanNotFound?.Invoke(this, directory);
}
catch (SecurityException ex)
{
EntryAccessError?.Invoke(this, new EntryAccessError(EntryType.Directory, path, ex));
}
_scannedDirectory = null;
}
private void scanDirectory(DirectoryEntry <Metadata> directory, string path)
{
var directoryInfo = new DirectoryInfo(path);
if (!directoryInfo.Exists)
{
DirectoryScanNotFound?.Invoke(this, directory);
return;
}
directory.Data.BeginScan();
DirectoryScanStarted?.Invoke(this, directory);
// if other process removes the scanned directory, to this process the directory
// remains existing and files and subdirectories enumeration continues normally
foreach (var info in directoryInfo.EnumerateFiles("*", SearchOption.TopDirectoryOnly))
{
if (_interruptScanningDirectory)
{
break;
}
entryFound(new Find(EntryType.File, info.FullName));
}
if (_interruptScanningDirectory)
{
directory.Data.ResetScanningTime();
DirectoryScanInterrupted?.Invoke(this, directory);
return;
}
directoryInfo.Refresh();
if (!directoryInfo.Exists)
{
directory.Data.ResetScanningTime();
DirectoryScanNotFound?.Invoke(this, directory);
return;
}
foreach (var info in directoryInfo.EnumerateDirectories("*", SearchOption.TopDirectoryOnly))
{
if (_interruptScanningDirectory)
{
break;
}
entryFound(new Find(EntryType.Directory, info.FullName));
}
if (_interruptScanningDirectory)
{
directory.Data.ResetScanningTime();
DirectoryScanInterrupted?.Invoke(this, directory);
return;
}
directory.Data.EndScan();
DirectoryScanFinished?.Invoke(this, directory);
}