public void Reallocate(long size)
{
_freeSectors.Clear();
_size = size;
_totalSectorCount = Roundup(_size, SectorSize) / SectorSize;
_usingSectorCount = 0;
_bitmapManager.SetLength(_totalSectorCount);
}
public Task CheckBlocks(Action <CheckBlocksProgressReport> progress, CancellationToken token)
{
return(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 BitmapManager(_bufferManager))
{
bitmapManager.SetLength(this.Size / SectorSize);
var hashes = new List <Hash>();
foreach (var(hash, clusterInfo) in _clusterIndex)
{
foreach (var sector in clusterInfo.Indexes)
{
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();
int badCount = 0;
int checkedCount = 0;
int blockCount = list.Length;
token.ThrowIfCancellationRequested();
progress.Invoke(new CheckBlocksProgressReport(badCount, checkedCount, blockCount));
foreach (var hash in list)
{
token.ThrowIfCancellationRequested();
ArraySegment <byte>?block = null;
try
{
lock (_lockObject)
{
if (this.Contains(hash))
{
block = this.Get(hash);
if (block == null)
{
badCount++;
}
}
}
}
catch (Exception)
{
}
finally
{
if (block != null)
{
_bufferManager.ReturnBuffer(block.Value.Array);
}
}
checkedCount++;
if (checkedCount % 32 == 0)
{
progress.Invoke(new CheckBlocksProgressReport(badCount, checkedCount, blockCount));
}
}
progress.Invoke(new CheckBlocksProgressReport(badCount, checkedCount, blockCount));
}
}, token));
}
