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REFACTOR: Final cleanup of DiscImageChef.Partitions.

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This commit is contained in:
Natalia Portillo
2017-12-24 03:11:33 +00:00
parent 9dda52522c
commit 3f628cd3c9
19 changed files with 1638 additions and 1620 deletions
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134
DiscImageChef.Partitions/BSD.cs
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@@ -44,12 +44,12 @@ namespace DiscImageChef.Partitions
{
const uint DISKMAGIC = 0x82564557;
const uint DISKCIGAM = 0x57455682;
/// <summary>Maximum size of a disklabel with 22 partitions</summary>
const uint MAX_LABEL_SIZE = 500;
/// <summary>Known sector locations for BSD disklabel</summary>
readonly ulong[] labelLocations = {0, 1, 2, 9};
/// <summary>Known byte offsets for BSD disklabel</summary>
readonly uint[] labelOffsets = {0, 9, 64, 128, 516};
/// <summary>Maximum size of a disklabel with 22 partitions</summary>
const uint MAX_LABEL_SIZE = 500;
public BSD()
{
@@ -167,6 +167,62 @@ namespace DiscImageChef.Partitions
return partitions.Count > 0;
}
internal static string fsTypeToString(fsType typ)
{
switch(typ)
{
case fsType.Unused: return "Unused entry";
case fsType.Swap: return "Swap partition";
case fsType.V6: return "UNIX 6th Edition";
case fsType.V7: return "UNIX 7th Edition";
case fsType.SystemV: return "UNIX System V";
case fsType.V7_1K: return "UNIX 7th Edition with 1K blocks";
case fsType.V8: return "UNIX 8th Edition with 4K blocks";
case fsType.BSDFFS: return "4.2BSD Fast File System";
case fsType.BSDLFS: return "4.4LFS";
case fsType.HPFS: return "HPFS";
case fsType.ISO9660: return "ISO9660";
case fsType.Boot:
case fsType.SysVBoot: return "Boot";
case fsType.AFFS: return "Amiga FFS";
case fsType.HFS: return "Apple HFS";
case fsType.ADVfs: return "Digital Advanced File System";
case fsType.LSMpublic: return "Digital LSM Public Region";
case fsType.LSMprivate: return "Digital LSM Private Region";
case fsType.LSMsimple: return "Digital LSM Simple Disk";
case fsType.CCD: return "Concatenated disk";
case fsType.JFS2: return "IBM JFS2";
case fsType.HAMMER: return "Hammer";
case fsType.HAMMER2: return "Hammer2";
case fsType.UDF: return "UDF";
case fsType.EFS: return "EFS";
case fsType.ZFS: return "ZFS";
case fsType.NANDFS: return "FreeBSD nandfs";
case fsType.MSDOS: return "FAT";
case fsType.Other: return "Other or unknown";
default: return "Unknown";
}
}
static DiskLabel GetDiskLabel(byte[] disklabel)
{
GCHandle handle = GCHandle.Alloc(disklabel, GCHandleType.Pinned);
DiskLabel dl = (DiskLabel)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(DiskLabel));
handle.Free();
return dl;
}
static DiskLabel SwapDiskLabel(DiskLabel disklabel)
{
DiskLabel dl = BigEndianMarshal.SwapStructureMembersEndian(disklabel);
for(int i = 0; i < dl.d_drivedata.Length; i++) dl.d_drivedata[i] = Swapping.Swap(dl.d_drivedata[i]);
for(int i = 0; i < dl.d_spare.Length; i++) dl.d_spare[i] = Swapping.Swap(dl.d_spare[i]);
for(int i = 0; i < dl.d_partitions.Length; i++)
dl.d_partitions[i] = BigEndianMarshal.SwapStructureMembersEndian(dl.d_partitions[i]);
return dl;
}
/// <summary>Drive type</summary>
enum dType : ushort
{
@@ -296,7 +352,7 @@ namespace DiscImageChef.Partitions
}
/// <summary>
/// Drive flags
/// Drive flags
/// </summary>
[Flags]
enum dFlags : uint
@@ -318,9 +374,13 @@ namespace DiscImageChef.Partitions
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct DiskLabel
{
/// <summary><see cref="DISKMAGIC"/></summary>
/// <summary>
/// <see cref="DISKMAGIC" />
/// </summary>
public uint d_magic;
/// <summary><see cref="dType"/></summary>
/// <summary>
/// <see cref="dType" />
/// </summary>
public dType d_type;
/// <summary>Disk subtype</summary>
public ushort d_subtype;
@@ -358,13 +418,15 @@ namespace DiscImageChef.Partitions
public uint d_headswitch;
/// <summary>Track to track seek in microseconds</summary>
public uint d_trkseek;
/// <summary><see cref="dFlags"/></summary>
/// <summary>
/// <see cref="dFlags" />
/// </summary>
public dFlags d_flags;
/// <summary>Drive-specific information</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)] public uint[] d_drivedata;
/// <summary>Reserved</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)] public uint[] d_spare;
/// <summary><see cref="DISKMAGIC"/> again</summary>
/// <summary><see cref="DISKMAGIC" /> again</summary>
public uint d_magic2;
/// <summary>XOR of data</summary>
public ushort d_checksum;
@@ -387,68 +449,12 @@ namespace DiscImageChef.Partitions
public uint p_offset;
/// <summary>Fragment size</summary>
public uint p_fsize;
/// <summary>Filesystem type, <see cref="fsType"/></summary>
/// <summary>Filesystem type, <see cref="fsType" /></summary>
public fsType p_fstype;
/// <summary>Fragment size</summary>
public byte p_frag;
/// <summary>Cylinder per group</summary>
public ushort p_cpg;
}
internal static string fsTypeToString(fsType typ)
{
switch(typ)
{
case fsType.Unused: return "Unused entry";
case fsType.Swap: return "Swap partition";
case fsType.V6: return "UNIX 6th Edition";
case fsType.V7: return "UNIX 7th Edition";
case fsType.SystemV: return "UNIX System V";
case fsType.V7_1K: return "UNIX 7th Edition with 1K blocks";
case fsType.V8: return "UNIX 8th Edition with 4K blocks";
case fsType.BSDFFS: return "4.2BSD Fast File System";
case fsType.BSDLFS: return "4.4LFS";
case fsType.HPFS: return "HPFS";
case fsType.ISO9660: return "ISO9660";
case fsType.Boot:
case fsType.SysVBoot: return "Boot";
case fsType.AFFS: return "Amiga FFS";
case fsType.HFS: return "Apple HFS";
case fsType.ADVfs: return "Digital Advanced File System";
case fsType.LSMpublic: return "Digital LSM Public Region";
case fsType.LSMprivate: return "Digital LSM Private Region";
case fsType.LSMsimple: return "Digital LSM Simple Disk";
case fsType.CCD: return "Concatenated disk";
case fsType.JFS2: return "IBM JFS2";
case fsType.HAMMER: return "Hammer";
case fsType.HAMMER2: return "Hammer2";
case fsType.UDF: return "UDF";
case fsType.EFS: return "EFS";
case fsType.ZFS: return "ZFS";
case fsType.NANDFS: return "FreeBSD nandfs";
case fsType.MSDOS: return "FAT";
case fsType.Other: return "Other or unknown";
default: return "Unknown";
}
}
static DiskLabel GetDiskLabel(byte[] disklabel)
{
GCHandle handle = GCHandle.Alloc(disklabel, GCHandleType.Pinned);
DiskLabel dl = (DiskLabel)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(DiskLabel));
handle.Free();
return dl;
}
static DiskLabel SwapDiskLabel(DiskLabel disklabel)
{
DiskLabel dl = BigEndianMarshal.SwapStructureMembersEndian(disklabel);
for(int i = 0; i < dl.d_drivedata.Length; i++) dl.d_drivedata[i] = Swapping.Swap(dl.d_drivedata[i]);
for(int i = 0; i < dl.d_spare.Length; i++) dl.d_spare[i] = Swapping.Swap(dl.d_spare[i]);
for(int i = 0; i < dl.d_partitions.Length; i++)
dl.d_partitions[i] = BigEndianMarshal.SwapStructureMembersEndian(dl.d_partitions[i]);
return dl;
}
}
}