protected override Errno OnGetPathStatus(string path, out Stat stat)
{
stat = new Stat();
string[] pieces = _vfs.SplitPath(path);
if (pieces.Length == 0)
{
stat.st_mode = FilePermissions.S_IFDIR | NativeConvert.FromOctalPermissionString("0555");
stat.st_nlink = 2;
return(0);
}
long romSetId = _vfs.GetRomSetId(pieces[0]);
if (romSetId <= 0)
{
if (pieces[0] != ".fuse_umount" ||
_umountToken == null)
{
return(Errno.ENOENT);
}
stat = new Stat
{
st_mode = FilePermissions.S_IFREG | NativeConvert.FromOctalPermissionString("0444"),
st_nlink = 1,
st_ctime = NativeConvert.ToTimeT(DateTime.UtcNow),
st_mtime = NativeConvert.ToTimeT(DateTime.UtcNow),
st_blksize = 0,
st_blocks = 0,
st_ino = 0,
st_size = 0
};
return(0);
}
RomSet romSet = _vfs.GetRomSet(romSetId);
if (romSet == null)
{
return(Errno.ENOENT);
}
if (pieces.Length == 1)
{
stat.st_mode = FilePermissions.S_IFDIR | NativeConvert.FromOctalPermissionString("0555");
stat.st_nlink = 2;
stat.st_ctime = NativeConvert.ToTimeT(romSet.CreatedOn.ToUniversalTime());
stat.st_mtime = NativeConvert.ToTimeT(romSet.UpdatedOn.ToUniversalTime());
return(0);
}
CachedMachine machine = _vfs.GetMachine(romSetId, pieces[1]);
if (machine == null)
{
return(Errno.ENOENT);
}
if (pieces.Length == 2)
{
stat = new Stat
{
st_mode = FilePermissions.S_IFDIR | NativeConvert.FromOctalPermissionString("0555"),
st_nlink = 2,
st_ctime = NativeConvert.ToTimeT(machine.CreationDate.ToUniversalTime()),
st_mtime = NativeConvert.ToTimeT(machine.ModificationDate.ToUniversalTime())
};
return(0);
}
CachedFile file = _vfs.GetFile(machine.Id, pieces[2]);
if (file != null)
{
if (pieces.Length != 3)
{
return(Errno.ENOSYS);
}
stat = new Stat
{
st_mode = FilePermissions.S_IFREG | NativeConvert.FromOctalPermissionString("0444"),
st_nlink = 1,
st_ctime = NativeConvert.ToTimeT(file.CreatedOn.ToUniversalTime()),
st_mtime = NativeConvert.ToTimeT(file.FileLastModification?.ToUniversalTime() ?? file.UpdatedOn.ToUniversalTime()),
st_blksize = 512,
st_blocks = (long)(file.Size / 512),
st_ino = file.Id,
st_size = (long)file.Size
};
return(0);
}
CachedDisk disk = _vfs.GetDisk(machine.Id, pieces[2]);
if (disk != null)
{
if (pieces.Length != 3)
{
return(Errno.ENOSYS);
}
stat = new Stat
{
st_mode = FilePermissions.S_IFREG | NativeConvert.FromOctalPermissionString("0444"),
st_nlink = 1,
st_ctime = NativeConvert.ToTimeT(disk.CreatedOn.ToUniversalTime()),
st_mtime = NativeConvert.ToTimeT(disk.UpdatedOn.ToUniversalTime()),
st_blksize = 512,
st_blocks = (long)(disk.Size / 512),
st_ino = disk.Id,
st_size = (long)disk.Size
};
return(0);
}
CachedMedia media = _vfs.GetMedia(machine.Id, pieces[2]);
if (media == null)
{
return(Errno.ENOENT);
}
if (pieces.Length != 3)
{
return(Errno.ENOSYS);
}
stat = new Stat
{
st_mode = FilePermissions.S_IFREG | NativeConvert.FromOctalPermissionString("0444"),
st_nlink = 1,
st_ctime = NativeConvert.ToTimeT(media.CreatedOn.ToUniversalTime()),
st_mtime = NativeConvert.ToTimeT(media.UpdatedOn.ToUniversalTime()),
st_blksize = 512,
st_blocks = (long)(media.Size / 512),
st_ino = media.Id,
st_size = (long)media.Size
};
return(0);
}
protected override Errno OnOpenHandle(string path, OpenedPathInfo info)
{
string[] pieces = _vfs.SplitPath(path);
if (pieces.Length == 0)
{
return(Errno.EISDIR);
}
long romSetId = _vfs.GetRomSetId(pieces[0]);
if (romSetId <= 0)
{
return(Errno.ENOENT);
}
RomSet romSet = _vfs.GetRomSet(romSetId);
if (romSet == null)
{
return(Errno.ENOENT);
}
if (pieces.Length == 1)
{
return(Errno.EISDIR);
}
CachedMachine machine = _vfs.GetMachine(romSetId, pieces[1]);
if (machine == null)
{
return(Errno.ENOENT);
}
if (pieces.Length == 2)
{
return(Errno.EISDIR);
}
long handle = 0;
Stat stat;
CachedFile file = _vfs.GetFile(machine.Id, pieces[2]);
if (file != null)
{
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
if (file.Sha384 == null)
{
return(Errno.ENOENT);
}
if (info.OpenAccess.HasFlag(OpenFlags.O_APPEND) ||
info.OpenAccess.HasFlag(OpenFlags.O_CREAT) ||
info.OpenAccess.HasFlag(OpenFlags.O_EXCL) ||
info.OpenAccess.HasFlag(OpenFlags.O_TRUNC))
{
return(Errno.EROFS);
}
handle = _vfs.Open(file.Sha384, (long)file.Size);
stat = new Stat
{
st_mode = FilePermissions.S_IFREG | NativeConvert.FromOctalPermissionString("0444"),
st_nlink = 1,
st_ctime = NativeConvert.ToTimeT(file.CreatedOn.ToUniversalTime()),
st_mtime = NativeConvert.ToTimeT(file.FileLastModification?.ToUniversalTime() ?? file.UpdatedOn.ToUniversalTime()),
st_blksize = 512,
st_blocks = (long)(file.Size / 512),
st_ino = file.Id,
st_size = (long)file.Size
};
}
else
{
CachedDisk disk = _vfs.GetDisk(machine.Id, pieces[2]);
if (disk != null)
{
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
if (disk.Sha1 == null &&
disk.Md5 == null)
{
return(Errno.ENOENT);
}
if (info.OpenAccess.HasFlag(OpenFlags.O_APPEND) ||
info.OpenAccess.HasFlag(OpenFlags.O_CREAT) ||
info.OpenAccess.HasFlag(OpenFlags.O_EXCL) ||
info.OpenAccess.HasFlag(OpenFlags.O_TRUNC))
{
return(Errno.EROFS);
}
handle = _vfs.OpenDisk(disk.Sha1, disk.Md5);
stat = new Stat
{
st_mode = FilePermissions.S_IFREG | NativeConvert.FromOctalPermissionString("0444"),
st_nlink = 1,
st_ctime = NativeConvert.ToTimeT(disk.CreatedOn.ToUniversalTime()),
st_mtime = NativeConvert.ToTimeT(disk.UpdatedOn.ToUniversalTime()),
st_blksize = 512,
st_blocks = (long)(disk.Size / 512),
st_ino = disk.Id,
st_size = (long)disk.Size
};
}
else
{
CachedMedia media = _vfs.GetMedia(machine.Id, pieces[2]);
if (media == null)
{
return(Errno.ENOENT);
}
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
if (media.Sha256 == null &&
media.Sha1 == null &&
media.Md5 == null)
{
return(Errno.ENOENT);
}
if (info.OpenAccess.HasFlag(OpenFlags.O_APPEND) ||
info.OpenAccess.HasFlag(OpenFlags.O_CREAT) ||
info.OpenAccess.HasFlag(OpenFlags.O_EXCL) ||
info.OpenAccess.HasFlag(OpenFlags.O_TRUNC))
{
return(Errno.EROFS);
}
handle = _vfs.OpenMedia(media.Sha256, media.Sha1, media.Md5);
stat = new Stat
{
st_mode = FilePermissions.S_IFREG | NativeConvert.FromOctalPermissionString("0444"),
st_nlink = 1,
st_ctime = NativeConvert.ToTimeT(media.CreatedOn.ToUniversalTime()),
st_mtime = NativeConvert.ToTimeT(media.UpdatedOn.ToUniversalTime()),
st_blksize = 512,
st_blocks = (long)(media.Size / 512),
st_ino = media.Id,
st_size = (long)media.Size
};
}
}
if (handle <= 0)
{
return(Errno.ENOENT);
}
info.Handle = new IntPtr(handle);
_fileStatHandleCache[handle] = stat;
return(0);
}