94 lines
4.3 KiB
C#
94 lines
4.3 KiB
C#
//
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// Copyright (c) 2008-2011, Kenneth Bell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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using System;
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using DiscUtils.Streams;
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namespace DiscUtils.LogicalDiskManager
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{
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internal class DatabaseHeader
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{
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public uint BlockSize; // 00 00 00 80
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public long CommittedSequence; // 0xA
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public string DiskGroupId;
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public string GroupName;
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public uint HeaderSize; // 00 00 02 00
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public uint NumVBlks; // 00 00 17 24
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public long PendingSequence; // 0xA
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public string Signature; // VMDB
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public DateTime Timestamp;
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public ushort Unknown1; // 00 01
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public uint Unknown2; // 1
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public uint Unknown3; // 1
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public uint Unknown4; // 3
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public uint Unknown5; // 3
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public long Unknown6; // 0
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public long Unknown7; // 1
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public uint Unknown8; // 1
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public uint Unknown9; // 3
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public uint UnknownA; // 3
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public long UnknownB; // 0
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public uint UnknownC; // 0
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public ushort VersionDenom; // 00 0a
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public ushort VersionNum; // 00 04
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public void ReadFrom(byte[] buffer, int offset)
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{
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Signature = EndianUtilities.BytesToString(buffer, offset + 0x00, 4);
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NumVBlks = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x04);
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BlockSize = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x08);
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HeaderSize = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x0C);
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Unknown1 = EndianUtilities.ToUInt16BigEndian(buffer, offset + 0x10);
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VersionNum = EndianUtilities.ToUInt16BigEndian(buffer, offset + 0x12);
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VersionDenom = EndianUtilities.ToUInt16BigEndian(buffer, offset + 0x14);
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GroupName = EndianUtilities.BytesToString(buffer, offset + 0x16, 31).Trim('\0');
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DiskGroupId = EndianUtilities.BytesToString(buffer, offset + 0x35, 0x40).Trim('\0');
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// May be wrong way round...
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CommittedSequence = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x75);
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PendingSequence = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x7D);
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Unknown2 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x85);
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Unknown3 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x89);
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Unknown4 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x8D);
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Unknown5 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x91);
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Unknown6 = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x95);
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Unknown7 = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x9D);
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Unknown8 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0xA5);
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Unknown9 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0xA9);
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UnknownA = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0xAD);
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UnknownB = EndianUtilities.ToInt64BigEndian(buffer, offset + 0xB1);
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UnknownC = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0xB9);
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Timestamp = DateTime.FromFileTimeUtc(EndianUtilities.ToInt64BigEndian(buffer, offset + 0xBD));
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}
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////}
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//// throw new NotImplementedException();
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//// // Add all byte values for ?? bytes
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//// // Zero checksum bytes (0x08, 4)
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////{
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////private static int CalcChecksum()
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}
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} |