private SparseStream OpenExtent(ExtentRecord extent) { DiskRecord disk = _database.GetDisk(extent.DiskId); DynamicDisk diskObj = _disks[new Guid(disk.DiskGuidString)]; return(new SubStream(diskObj.Content, Ownership.None, (diskObj.DataOffset + extent.DiskOffsetLba) * Sizes.Sector, extent.SizeLba * Sizes.Sector)); }
private static int CompareExtentInterleaveOrder(ExtentRecord x, ExtentRecord y) { if (x.InterleaveOrder > y.InterleaveOrder) { return(1); } else if (x.InterleaveOrder < y.InterleaveOrder) { return(-1); } return(0); }
private static int CompareExtentOffsets(ExtentRecord x, ExtentRecord y) { if (x.OffsetInVolumeLba > y.OffsetInVolumeLba) { return(1); } else if (x.OffsetInVolumeLba < y.OffsetInVolumeLba) { return(-1); } return(0); }
internal IEnumerable <ExtentRecord> GetComponentExtents(ulong componentId) { foreach (DatabaseRecord record in _records.Values) { if (record.RecordType == RecordType.Extent) { ExtentRecord extentRecord = (ExtentRecord)record; if (extentRecord.ComponentId == componentId) { yield return(extentRecord); } } } }
public static DatabaseRecord ReadFrom(byte[] buffer, int offset) { DatabaseRecord result = null; if (Utilities.ToInt32BigEndian(buffer, offset + 0xC) != 0) { switch ((RecordType)(buffer[offset + 0x13] & 0xF)) { case RecordType.Volume: result = new VolumeRecord(); break; case RecordType.Component: result = new ComponentRecord(); break; case RecordType.Extent: result = new ExtentRecord(); break; case RecordType.Disk: result = new DiskRecord(); break; case RecordType.DiskGroup: result = new DiskGroupRecord(); break; default: throw new NotImplementedException("Unrecognized record type: " + buffer[offset + 0x13]); } result.DoReadFrom(buffer, offset); } return result; }
public static DatabaseRecord ReadFrom(byte[] buffer, int offset) { DatabaseRecord result = null; if (Utilities.ToInt32BigEndian(buffer, offset + 0xC) != 0) { switch ((RecordType)(buffer[offset + 0x13] & 0xF)) { case RecordType.Volume: result = new VolumeRecord(); break; case RecordType.Component: result = new ComponentRecord(); break; case RecordType.Extent: result = new ExtentRecord(); break; case RecordType.Disk: result = new DiskRecord(); break; case RecordType.DiskGroup: result = new DiskGroupRecord(); break; default: throw new NotImplementedException("Unrecognized record type: " + buffer[offset + 0x13]); } result.DoReadFrom(buffer, offset); } return(result); }
private SparseStream OpenExtent(ExtentRecord extent) { DiskRecord disk = _database.GetDisk(extent.DiskId); DynamicDisk diskObj = _disks[new Guid(disk.DiskGuidString)]; return new SubStream(diskObj.Content, Ownership.None, (diskObj.DataOffset + extent.DiskOffsetLba) * Sizes.Sector, extent.SizeLba * Sizes.Sector); }
private static int CompareExtentOffsets(ExtentRecord x, ExtentRecord y) { if (x.OffsetInVolumeLba > y.OffsetInVolumeLba) { return 1; } else if (x.OffsetInVolumeLba < y.OffsetInVolumeLba) { return -1; } return 0; }
private static int CompareExtentInterleaveOrder(ExtentRecord x, ExtentRecord y) { if (x.InterleaveOrder > y.InterleaveOrder) { return 1; } else if (x.InterleaveOrder < y.InterleaveOrder) { return -1; } return 0; }