/// <summary>
/// Adds inodes for each dir.
/// </summary>
void addDirInodes()
{
inodes.Add(root.ino);
foreach (var dir in allDirs)
{
var ino = new PfsDinode32
{
Mode = InodeMode.dir | InodeMode.rwx,
Number = (uint)inodes.Count,
Blocks = 1,
Size = 65536
};
dir.ino = ino;
dir.Dirents.Add(new PfsDirent {
Name = ".", InodeNumber = ino.Number, Type = 4
});
dir.Dirents.Add(new PfsDirent {
Name = "..", InodeNumber = dir.Parent.ino.Number, Type = 5
});
dirents.Add(dir.Dirents);
var dirent = new PfsDirent {
Name = dir.name, InodeNumber = (uint)inodes.Count, Type = 3
};
dir.Parent.Dirents.Add(dirent);
dir.Parent.ino.Nlink++;
inodes.Add(ino);
}
}
public static PfsDinode32 ReadFromStream(Stream s)
{
var di = new PfsDinode32
{
Mode = (InodeMode)s.ReadUInt16LE(),
Nlink = s.ReadUInt16LE(),
Flags = (InodeFlags)s.ReadUInt32LE(),
Size = s.ReadInt64LE(),
SizeCompressed = s.ReadInt64LE(),
Time1_sec = s.ReadInt64LE(),
Time2_sec = s.ReadInt64LE(),
Time3_sec = s.ReadInt64LE(),
Time4_sec = s.ReadInt64LE(),
Time1_nsec = s.ReadUInt32LE(),
Time2_nsec = s.ReadUInt32LE(),
Time3_nsec = s.ReadUInt32LE(),
Time4_nsec = s.ReadUInt32LE(),
Uid = s.ReadUInt32LE(),
Gid = s.ReadUInt32LE(),
Unk1 = s.ReadUInt64LE(),
Unk2 = s.ReadUInt64LE(),
Blocks = s.ReadUInt32LE()
};
for (var i = 0; i < 12; i++)
{
di.db[i] = s.ReadInt32LE();
}
for (var i = 0; i < 5; i++)
{
di.ib[i] = s.ReadInt32LE();
}
return(di);
}
/// <summary>
/// Creates inodes and dirents for superroot, flat_path_table, and uroot.
/// Also, creates the root node for the FS tree.
/// </summary>
void SetupRootStructure()
{
inodes.Add(super_root_ino = new PfsDinode32
{
Mode = InodeMode.dir | InodeMode.rx_only,
Blocks = 1,
Size = 65536,
SizeCompressed = 65536,
Nlink = 1,
Number = 0,
Flags = InodeFlags.@internal
});
inodes.Add(fpt_ino = new PfsDinode32
{
Mode = InodeMode.file | InodeMode.rwx,
Blocks = 1,
Number = 1,
Flags = InodeFlags.@internal
});
var uroot_ino = new PfsDinode32 {
Mode = InodeMode.dir | InodeMode.rwx, Number = 2, Size = 65536, SizeCompressed = 65536, Blocks = 1
};
super_root_dirents = new List <PfsDirent>
{
new PfsDirent {
InodeNumber = 1, Name = "flat_path_table", Type = 2
},
new PfsDirent {
InodeNumber = 2, Name = "uroot", Type = 3
}
};
root = new FSDir
{
name = "uroot",
ino = uroot_ino,
Dirents = new List <PfsDirent>
{
new PfsDirent {
Name = ".", Type = 4, InodeNumber = 2
},
new PfsDirent {
Name = "..", Type = 5, InodeNumber = 2
}
}
};
}
/// <summary>
/// Adds inodes for each file.
/// </summary>
void addFileInodes()
{
foreach (var file in allFiles)
{
var ino = new PfsDinode32
{
Mode = InodeMode.file | InodeMode.rwx,
Size = file.Size,
SizeCompressed = file.Size,
Number = (uint)inodes.Count,
Blocks = (uint)CeilDiv(file.Size, hdr.BlockSize)
};
file.ino = ino;
var dirent = new PfsDirent {
Name = file.name, Type = 2, InodeNumber = (uint)inodes.Count
};
file.Parent.Dirents.Add(dirent);
inodes.Add(ino);
}
}