public async ValueTask CheckBlocks(Action <CheckBlocksProgressReport> progress, CancellationToken token)
{
await Task.Run(() =>
{
// 重複するセクタを確保したブロックを検出しRemoveする。
lock (_lockObject)
{
using (var bitmapManager = new BitStorage(_bufferPool))
{
bitmapManager.SetLength(this.Size / SectorSize);
var hashes = new List <OmniHash>();
foreach (var(hash, clusterInfo) in _clusterMetadataMap)
{
foreach (var sector in clusterInfo.Sectors)
{
if (!bitmapManager.Get(sector))
{
bitmapManager.Set(sector, true);
}
else
{
hashes.Add(hash);
break;
}
}
}
foreach (var hash in hashes)
{
this.Remove(hash);
}
}
}
// 読めないブロックを検出しRemoveする。
{
var list = this.ToArray();
uint badCount = 0;
uint checkedCount = 0;
uint blockCount = (uint)list.Length;
token.ThrowIfCancellationRequested();
progress.Invoke(new CheckBlocksProgressReport(badCount, checkedCount, blockCount));
foreach (var hash in list)
{
token.ThrowIfCancellationRequested();
lock (_lockObject)
{
if (this.Contains(hash))
{
bool result = this.TryGet(hash, out var memoryOwner);
if (!result)
{
badCount++;
}
memoryOwner?.Dispose();
}
}
checkedCount++;
if (checkedCount % 32 == 0)
{
progress.Invoke(new CheckBlocksProgressReport(badCount, checkedCount, blockCount));
}
}
progress.Invoke(new CheckBlocksProgressReport(badCount, checkedCount, blockCount));
}
}, token);
}
public UsingSectorPool(BufferPool bufferPool)
{
_bitmapStorage = new BitStorage(bufferPool);
_bufferPool = bufferPool;
}