private void EmptyDirectory()
{
string[] EmptyDirChecksumSeed = { String.Empty };
string directoryChecksum;
lock (_lockDirFingerprint)
{
completed = true;
directoryChecksum = ComputeFingerprint.DirectoryChecksum(EmptyDirChecksumSeed);
RunParallelScan.progress.DirectoryCompleted(di, directoryChecksum, checksumsStored, numberOfItems);
// Don't Pass empty checksum up to parent
parentFingerprint?.ChildDirectorySkipped();
}
}
void ProcessDirectory(Tuple <DirectoryInfo, DirectoryFingerprint> d)
{
bool directoryAccessException = false;
string exceptionMessage = "";
int fileCount = 0;
int directoryCount = 0;
DirectoryInfo dirInfo = d.Item1;
DirectoryFingerprint parentFingerprint = d.Item2;
if (DirectoryInSkipList(dirInfo))
{
parentFingerprint?.ChildDirectorySkipped();
RunParallelScan.progress.SkipListDirSkipped(dirInfo);
return;
}
DirectoryFingerprint myFingerprint = new DirectoryFingerprint(dirInfo, parentFingerprint);
try
{
string reason;
FileInfo[] nextFiles = dirInfo.GetFiles();
foreach (FileInfo fi in nextFiles)
{
if (FileIncluded(fi, out reason))
{
files.Enqueue(Tuple.Create <FileInfo, DirectoryFingerprint>(fi, myFingerprint));
fileCount++;
}
else
{
RunParallelScan.progress.FileSkipped(fi, reason);
}
}
}
catch (UnauthorizedAccessException)
{
Error("Directory: " + dirInfo.FullName, "Access denied");
directoryAccessException = true;
exceptionMessage = "UnauthorizedAccessException";
}
catch (DirectoryNotFoundException)
{
Error("Directory: " + dirInfo.FullName, "Directory not found");
directoryAccessException = true;
exceptionMessage = "DirectoryNotFoundException";
}
catch (Exception e)
{
Error("Directory (Unexpected REF1): " + dirInfo.FullName, e.ToString() + "\n");
// Unexpected exception, keep trying
}
// If we've had an UnauthorizedAccessException on this directory there's no need to try accessing it again as it will fail again
if (directoryAccessException)
{
parentFingerprint?.ChildDirectorySkipped();
RunParallelScan.progress.DirException(dirInfo, exceptionMessage);
return;
}
else
{
try
{
DirectoryInfo[] nextDirectories = dirInfo.GetDirectories();
Array.Reverse(nextDirectories); // Push the first directory found last so that it gets popped first
// -- this results in a depth-first traversal in the natural directory order that Windows File Explorer shows
foreach (DirectoryInfo di in nextDirectories)
{
if (DirectoryIncluded(di))
{
directories.Push(Tuple.Create <DirectoryInfo, DirectoryFingerprint>(di, myFingerprint));
directoryCount++;
}
else
{
RunParallelScan.progress.HiddenSystemDirSkipped(di);
}
}
myFingerprint.SetNumberOfItems(fileCount, directoryCount);
}
catch (Exception e)
{
Error("Directory (Unexpected REF2): " + dirInfo.FullName, e.ToString() + "\n");
parentFingerprint?.ChildDirectorySkipped();
}
}
return;
}