aaru-dps/Aaru.Server
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.Server.git synced 2025-12-16 19:24:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

REFACTOR: Final cleanup of DiscImageChef.DiscImages.

Browse Source
This commit is contained in:
Natalia Portillo
2017-12-24 00:12:31 +00:00
parent 536888507f
commit 736552f6d8
52 changed files with 5203 additions and 5359 deletions
Download Patch File Download Diff File Expand all files Collapse all files

118
DiscImageChef.DiscImages/PartClone.cs
View File

@@ -44,73 +44,25 @@ namespace DiscImageChef.DiscImages
{
public class PartClone : ImagePlugin
{
#region Internal constants
readonly byte[] partCloneMagic =
{0x70, 0x61, 0x72, 0x74, 0x63, 0x6C, 0x6F, 0x6E, 0x65, 0x2D, 0x69, 0x6D, 0x61, 0x67, 0x65};
readonly byte[] biTmAgIc = {0x42, 0x69, 0x54, 0x6D, 0x41, 0x67, 0x49, 0x63};
const int CRC_SIZE = 4;
#endregion
#region Internal Structures
/// <summary>
/// PartClone disk image header, little-endian
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PartCloneHeader
{
/// <summary>
/// Magic, <see cref="PartClone.partCloneMagic"/>
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 15)] public byte[] magic;
/// <summary>
/// Source filesystem
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 15)] public byte[] filesystem;
/// <summary>
/// Version
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)] public byte[] version;
/// <summary>
/// Padding
/// </summary>
public ushort padding;
/// <summary>
/// Block (sector) size
/// </summary>
public uint blockSize;
/// <summary>
/// Size of device containing the cloned partition
/// </summary>
public ulong deviceSize;
/// <summary>
/// Total blocks in cloned partition
/// </summary>
public ulong totalBlocks;
/// <summary>
/// Used blocks in cloned partition
/// </summary>
public ulong usedBlocks;
/// <summary>
/// Empty space
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4096)] public byte[] buffer;
}
#endregion
PartCloneHeader pHdr;
// The used block "bitmap" uses one byte per block
// TODO: Convert on-image bytemap to on-memory bitmap
byte[] byteMap;
Stream imageStream;
long dataOff;
Dictionary<ulong, byte[]> sectorCache;
const uint MAX_CACHE_SIZE = 16777216;
const uint MAX_CACHED_SECTORS = MAX_CACHE_SIZE / 512;
readonly byte[] biTmAgIc = {0x42, 0x69, 0x54, 0x6D, 0x41, 0x67, 0x49, 0x63};
readonly byte[] partCloneMagic =
{0x70, 0x61, 0x72, 0x74, 0x63, 0x6C, 0x6F, 0x6E, 0x65, 0x2D, 0x69, 0x6D, 0x61, 0x67, 0x65};
// The used block "bitmap" uses one byte per block
// TODO: Convert on-image bytemap to on-memory bitmap
byte[] byteMap;
long dataOff;
ExtentsULong extents;
Dictionary<ulong, ulong> extentsOff;
Stream imageStream;
PartCloneHeader pHdr;
Dictionary<ulong, byte[]> sectorCache;
public PartClone()
{
@@ -383,7 +335,6 @@ namespace DiscImageChef.DiscImages
return ImageInfo.MediaType;
}
#region Unsupported features
public override byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
{
throw new FeatureUnsupportedImageException("Feature not supported by image format");
@@ -545,6 +496,49 @@ namespace DiscImageChef.DiscImages
{
return null;
}
#endregion
/// <summary>
/// PartClone disk image header, little-endian
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct PartCloneHeader
{
/// <summary>
/// Magic, <see cref="PartClone.partCloneMagic" />
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 15)] public byte[] magic;
/// <summary>
/// Source filesystem
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 15)] public byte[] filesystem;
/// <summary>
/// Version
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)] public byte[] version;
/// <summary>
/// Padding
/// </summary>
public ushort padding;
/// <summary>
/// Block (sector) size
/// </summary>
public uint blockSize;
/// <summary>
/// Size of device containing the cloned partition
/// </summary>
public ulong deviceSize;
/// <summary>
/// Total blocks in cloned partition
/// </summary>
public ulong totalBlocks;
/// <summary>
/// Used blocks in cloned partition
/// </summary>
public ulong usedBlocks;
/// <summary>
/// Empty space
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4096)] public byte[] buffer;
}
}
}