Esempio n. 1
0
        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);
        }
Esempio n. 2
0
 public UsingSectorPool(BufferPool bufferPool)
 {
     _bitmapStorage = new BitStorage(bufferPool);
     _bufferPool    = bufferPool;
 }