protected override void OnScan()
{
recDepth = 0;
BackgroundWorker worker = new BackgroundWorker();
Stopwatch timer = Stopwatch.StartNew();
worker.DoWork += (sender, args) =>
{
DriveInfo[] drives = DriveInfo.GetDrives();
IEnumerable <DriveInfo> readyDrives = drives.Where(x => x.IsReady);
Log.Message(string.Format("{0} ready drives detected", readyDrives.Count()));
Parallel.ForEach(readyDrives, (DriveInfo drive) =>
{
Log.Message(string.Format("Scanning drive {0}: [{1}] ASync...", drive.VolumeLabel, drive.Name));
SystemQueryResultItem result = new SystemQueryResultItem(drive.Name);
AddItem(result);
ScanSubDirsAndFiles(drive.RootDirectory, true);
});
};
worker.RunWorkerCompleted += (sender, args) =>
{
SortBigList();
ScanComplete();
Log.Success(string.Format("{0} scan completed in {1} seconds", GetType().Name, timer.Elapsed.TotalSeconds.ToString("F3")));
GC.Collect();
Log.ReportMemoryUsage();
Console.Beep();
};
worker.RunWorkerAsync();
}
private void AddItem(SystemQueryResultItem item)
{
if (item != null)
{
BigResultList.Add(item);
}
}
private void ScanSubDirsAndFiles(DirectoryInfo parentDir, bool isRoot = false)
{
// temp
if (recDepth == 0)
{
Log.Warning(string.Format("Temporary using recursion depth limit ({0}) for debugging purposes", DebugOptions.SystemQueryDepthLimit));
}
recDepth++;
if (recDepth >= DebugOptions.SystemQueryDepthLimit)
{
return;
}
try
{
IEnumerable <DirectoryInfo> dirs = parentDir.EnumerateDirectories();
IEnumerable <FileInfo> files = parentDir.EnumerateFiles();
// Root folders are filtered and scanned in parallel.
if (isRoot)
{
dirs = dirs.Where(x => !RootIgnorePaths.Contains(x.FullName));
Parallel.ForEach(dirs, (DirectoryInfo dir) =>
{
Stopwatch timer = Stopwatch.StartNew();
ScanSubDirsAndFiles(dir);
SystemQueryResultItem result = new SystemQueryResultItem(dir.FullName);
AddItem(result);
});
}
else
{
foreach (DirectoryInfo dir in dirs)
{
ScanSubDirsAndFiles(dir);
SystemQueryResultItem result = new SystemQueryResultItem(dir.FullName);
AddItem(result);
}
}
// Scan files.
foreach (FileInfo file in files)
{
SystemQueryResultItem result = new SystemQueryResultItem(file.FullName);
AddItem(result);
}
}
catch (UnauthorizedAccessException e)
{
//Log.Warning(e.Message);
}
}