public async Task <bool> QuickScan(IProgress <ScanAndRepairProgress> progress = null)
{
{
if (IsScanRunning)
{
throw new Exception("Scan already running!");
}
var retVal = true;
IsScanRunning = true;
try
{
_cts.Cancel();
_cts = new CancellationTokenSource();
IsCancellationRequested = false;
var totalCount = FilesInfo.Count();
var currentIndex = 0;
Parallel.ForEach(FilesInfo, (fileInfo, state) =>
{
var index = Interlocked.Increment(ref currentIndex);
_cts.Token.ThrowIfCancellationRequested();
progress?.Report(new ScanAndRepairProgress(totalCount, index,
new ExLog(LogLevel.Info, $"{fileInfo.FileName}")));
RunFileQuickCheck(Path.Combine(FilesRootPath, fileInfo.FileName), fileInfo.Size);
if (RunFileQuickCheck(Path.Combine(FilesRootPath, fileInfo.FileName), fileInfo.Size))
{
return;
}
retVal = false;
state.Break();
});
await Task.Delay(25, _cts.Token).ConfigureAwait(false);
}
finally
{
IsScanRunning = false;
}
return(retVal);
}
}
public async Task <bool> ScanAndRepair(IProgress <ScanAndRepairProgress> progress)
{
{
if (IsScanRunning)
{
throw new Exception("Scan already running!");
}
var retVal = false;
IsScanRunning = true;
try
{
_cts.Cancel();
_cts = new CancellationTokenSource();
IsCancellationRequested = false;
CleanTmpFolder();
var t = Task.Run(async() =>
{
try
{
var totalCount = FilesInfo.Count();
var currentIndex = 0;
foreach (var fileInfo in FilesInfo.OrderByDescending(key => key.FileName.Contains("\\"))
.ThenBy(key => key.FileName))
{
currentIndex += 1;
_cts.Token.ThrowIfCancellationRequested();
progress?.Report(new ScanAndRepairProgress(totalCount, currentIndex,
new ExLog(LogLevel.Info, $"{fileInfo.FileName}")));
await Task.Delay(25, _cts.Token).ConfigureAwait(false);
var fileProgress = new Progress <ScanAndRepairFileProgress>();
var ci = currentIndex;
if (progress != null)
{
fileProgress.ProgressChanged += (o, ea) =>
{
progress.Report(new ScanAndRepairProgress(totalCount, ci, ea));
}
}
;
retVal = await ScanAndRepairFile(fileInfo, FilesRootPath, fileProgress, _cts.Token);
await Task.Delay(25, _cts.Token).ConfigureAwait(false);
if (!retVal)
{
break;
}
}
}
catch (AggregateException)
{
retVal = false;
throw;
}
}, _cts.Token);
await t;
}
finally
{
IsScanRunning = false;
}
return(retVal);
}
}