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https://github.com/aaru-dps/Aaru.git
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REFACTOR: Final cleanup of DiscImageChef.Filesystems.
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@@ -41,12 +41,11 @@ using Schemas;
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using hammer_crc_t = System.UInt32;
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using hammer_off_t = System.UInt64;
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using hammer_tid_t = System.UInt64;
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#pragma warning disable 169
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namespace DiscImageChef.Filesystems
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{
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[SuppressMessage("ReSharper", "BuiltInTypeReferenceStyle")]
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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public class HAMMER : Filesystem
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{
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const ulong HAMMER_FSBUF_VOLUME = 0xC8414D4DC5523031;
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@@ -92,8 +91,7 @@ namespace DiscImageChef.Filesystems
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return magic == HAMMER_FSBUF_VOLUME || magic == HAMMER_FSBUF_VOLUME_REV;
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}
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public override void GetInformation(ImagePlugin imagePlugin, Partition partition,
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out string information)
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public override void GetInformation(ImagePlugin imagePlugin, Partition partition, out string information)
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{
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information = "";
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@@ -115,7 +113,7 @@ namespace DiscImageChef.Filesystems
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{
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GCHandle handle = GCHandle.Alloc(sbSector, GCHandleType.Pinned);
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hammerSb = (HammerSuperBlock)Marshal.PtrToStructure(handle.AddrOfPinnedObject(),
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typeof(HammerSuperBlock));
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typeof(HammerSuperBlock));
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handle.Free();
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}
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else hammerSb = BigEndianMarshal.ByteArrayToStructureBigEndian<HammerSuperBlock>(sbSector);
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@@ -164,91 +162,6 @@ namespace DiscImageChef.Filesystems
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information = sb.ToString();
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}
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/// <summary>
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/// Be superblock
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/// </summary>
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct HammerSuperBlock
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{
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/// <summary><see cref="HAMMER_FSBUF_VOLUME"/> for a valid header</summary>
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public ulong vol_signature;
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/* These are relative to block device offset, not zone offsets. */
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/// <summary>offset of boot area</summary>
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public long vol_bot_beg;
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/// <summary>offset of memory log</summary>
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public long vol_mem_beg;
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/// <summary>offset of the first buffer in volume</summary>
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public long vol_buf_beg;
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/// <summary>offset of volume EOF (on buffer boundary)</summary>
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public long vol_buf_end;
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public long vol_reserved01;
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/// <summary>identify filesystem</summary>
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public Guid vol_fsid;
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/// <summary>identify filesystem type</summary>
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public Guid vol_fstype;
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/// <summary>filesystem label</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)] public byte[] vol_label;
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/// <summary>volume number within filesystem</summary>
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public int vol_no;
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/// <summary>number of volumes making up filesystem</summary>
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public int vol_count;
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/// <summary>version control information</summary>
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public uint vol_version;
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/// <summary>header crc</summary>
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public hammer_crc_t vol_crc;
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/// <summary>volume flags</summary>
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public uint vol_flags;
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/// <summary>the root volume number (must be 0)</summary>
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public uint vol_rootvol;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public uint[] vol_reserved;
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/*
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* These fields are initialized and space is reserved in every
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* volume making up a HAMMER filesytem, but only the root volume
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* contains valid data. Note that vol0_stat_bigblocks does not
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* include big-blocks for freemap and undomap initially allocated
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* by newfs_hammer(8).
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*/
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/// <summary>total big-blocks when fs is empty</summary>
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public long vol0_stat_bigblocks;
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/// <summary>number of free big-blocks</summary>
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public long vol0_stat_freebigblocks;
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public long vol0_reserved01;
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/// <summary>for statfs only</summary>
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public long vol0_stat_inodes;
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public long vol0_reserved02;
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/// <summary>B-Tree root offset in zone-8</summary>
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public hammer_off_t vol0_btree_root;
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/// <summary>highest partially synchronized TID</summary>
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public hammer_tid_t vol0_next_tid;
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public hammer_off_t vol0_reserved03;
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/// <summary>Blockmaps for zones. Not all zones use a blockmap. Note that the entire root blockmap is cached in the hammer_mount structure.</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)] public HammerBlockMap[] vol0_blockmap;
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/// <summary>Array of zone-2 addresses for undo FIFO.</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)] public hammer_off_t[] vol0_undo_array;
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}
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struct HammerBlockMap
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{
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/// <summary>zone-2 offset only used by zone-4</summary>
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public hammer_off_t phys_offset;
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/// <summary>zone-X offset only used by zone-3</summary>
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public hammer_off_t first_offset;
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/// <summary>zone-X offset for allocation</summary>
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public hammer_off_t next_offset;
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/// <summary>zone-X offset only used by zone-3</summary>
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public hammer_off_t alloc_offset;
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public uint reserved01;
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public hammer_crc_t entry_crc;
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}
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public override Errno Mount()
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{
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return Errno.NotImplemented;
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@@ -308,5 +221,96 @@ namespace DiscImageChef.Filesystems
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{
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return Errno.NotImplemented;
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}
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/// <summary>
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/// Hammer superblock
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/// </summary>
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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[SuppressMessage("ReSharper", "BuiltInTypeReferenceStyle")]
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struct HammerSuperBlock
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{
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/// <summary><see cref="HAMMER_FSBUF_VOLUME" /> for a valid header</summary>
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public ulong vol_signature;
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/* These are relative to block device offset, not zone offsets. */
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/// <summary>offset of boot area</summary>
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public long vol_bot_beg;
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/// <summary>offset of memory log</summary>
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public long vol_mem_beg;
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/// <summary>offset of the first buffer in volume</summary>
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public long vol_buf_beg;
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/// <summary>offset of volume EOF (on buffer boundary)</summary>
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public long vol_buf_end;
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public long vol_reserved01;
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/// <summary>identify filesystem</summary>
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public Guid vol_fsid;
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/// <summary>identify filesystem type</summary>
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public Guid vol_fstype;
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/// <summary>filesystem label</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)] public byte[] vol_label;
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/// <summary>volume number within filesystem</summary>
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public int vol_no;
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/// <summary>number of volumes making up filesystem</summary>
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public int vol_count;
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/// <summary>version control information</summary>
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public uint vol_version;
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/// <summary>header crc</summary>
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public hammer_crc_t vol_crc;
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/// <summary>volume flags</summary>
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public uint vol_flags;
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/// <summary>the root volume number (must be 0)</summary>
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public uint vol_rootvol;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public uint[] vol_reserved;
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/*
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* These fields are initialized and space is reserved in every
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* volume making up a HAMMER filesytem, but only the root volume
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* contains valid data. Note that vol0_stat_bigblocks does not
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* include big-blocks for freemap and undomap initially allocated
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* by newfs_hammer(8).
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*/
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/// <summary>total big-blocks when fs is empty</summary>
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public long vol0_stat_bigblocks;
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/// <summary>number of free big-blocks</summary>
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public long vol0_stat_freebigblocks;
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public long vol0_reserved01;
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/// <summary>for statfs only</summary>
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public long vol0_stat_inodes;
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public long vol0_reserved02;
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/// <summary>B-Tree root offset in zone-8</summary>
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public hammer_off_t vol0_btree_root;
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/// <summary>highest partially synchronized TID</summary>
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public hammer_tid_t vol0_next_tid;
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public hammer_off_t vol0_reserved03;
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/// <summary>
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/// Blockmaps for zones. Not all zones use a blockmap. Note that the entire root blockmap is cached in the
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/// hammer_mount structure.
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/// </summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)] public HammerBlockMap[] vol0_blockmap;
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/// <summary>Array of zone-2 addresses for undo FIFO.</summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)] public hammer_off_t[] vol0_undo_array;
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}
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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[SuppressMessage("ReSharper", "BuiltInTypeReferenceStyle")]
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struct HammerBlockMap
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{
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/// <summary>zone-2 offset only used by zone-4</summary>
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public hammer_off_t phys_offset;
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/// <summary>zone-X offset only used by zone-3</summary>
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public hammer_off_t first_offset;
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/// <summary>zone-X offset for allocation</summary>
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public hammer_off_t next_offset;
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/// <summary>zone-X offset only used by zone-3</summary>
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public hammer_off_t alloc_offset;
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public uint reserved01;
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public hammer_crc_t entry_crc;
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}
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}
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}
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