internal ConcurrentDictionary <string, CachedDisk> GetDisksFromMachine(ulong id)
{
_machineDisksCache.TryGetValue(id, out ConcurrentDictionary <string, CachedDisk> cachedMachineDisks);
if (cachedMachineDisks != null)
{
return(cachedMachineDisks);
}
using var ctx = Context.Create(Settings.Settings.Current.DatabasePath);
cachedMachineDisks = new ConcurrentDictionary <string, CachedDisk>();
foreach (DiskByMachine machineDisk in ctx.DisksByMachines.Where(dbm => dbm.Machine.Id == id &&
dbm.Disk.IsInRepo &&
dbm.Disk.Size != null))
{
var cachedDisk = new CachedDisk
{
Id = machineDisk.Disk.Id,
Md5 = machineDisk.Disk.Md5,
Sha1 = machineDisk.Disk.Sha1,
Size = machineDisk.Disk.Size ?? 0,
CreatedOn = machineDisk.Disk.CreatedOn,
UpdatedOn = machineDisk.Disk.UpdatedOn
};
cachedMachineDisks[machineDisk.Name] = cachedDisk;
}
_machineDisksCache[id] = cachedMachineDisks;
return(cachedMachineDisks);
}
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 OnListPathExtendedAttributes(string path, out string[] names)
{
names = null;
string[] pieces = _vfs.SplitPath(path);
if (pieces.Length == 0)
{
return(0);
}
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(0);
}
CachedMachine machine = _vfs.GetMachine(romSetId, pieces[1]);
if (machine == null)
{
return(Errno.ENOENT);
}
if (pieces.Length == 2)
{
return(0);
}
List <string> xattrs = new List <string>();
CachedFile file = _vfs.GetFile(machine.Id, pieces[2]);
if (file != null)
{
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
if (file.Crc32 != null)
{
xattrs.Add("user.crc32");
}
if (file.Md5 != null)
{
xattrs.Add("user.md5");
}
if (file.Sha1 != null)
{
xattrs.Add("user.sha1");
}
if (file.Sha256 != null)
{
xattrs.Add("user.sha256");
}
if (file.Sha384 != null)
{
xattrs.Add("user.sha384");
}
if (file.Sha512 != null)
{
xattrs.Add("user.sha512");
}
names = xattrs.ToArray();
return(0);
}
CachedDisk disk = _vfs.GetDisk(machine.Id, pieces[2]);
if (disk != null)
{
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
if (disk.Md5 != null)
{
xattrs.Add("user.md5");
}
if (disk.Sha1 != null)
{
xattrs.Add("user.sha1");
}
names = xattrs.ToArray();
return(0);
}
CachedMedia media = _vfs.GetMedia(machine.Id, pieces[2]);
if (media == null)
{
return(Errno.ENOENT);
}
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
if (media.Md5 != null)
{
xattrs.Add("user.md5");
}
if (media.Sha1 != null)
{
xattrs.Add("user.sha1");
}
if (media.Sha256 != null)
{
xattrs.Add("user.sha256");
}
if (media.SpamSum != null)
{
xattrs.Add("user.spamsum");
}
names = xattrs.ToArray();
return(0);
}
protected override Errno OnGetPathExtendedAttribute(string path, string name, byte[] value,
out int bytesWritten)
{
bytesWritten = 0;
string[] pieces = _vfs.SplitPath(path);
if (pieces.Length == 0)
{
return(Errno.ENODATA);
}
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.ENODATA);
}
CachedMachine machine = _vfs.GetMachine(romSetId, pieces[1]);
if (machine == null)
{
return(Errno.ENOENT);
}
if (pieces.Length == 2)
{
return(Errno.ENODATA);
}
CachedFile file = _vfs.GetFile(machine.Id, pieces[2]);
string hash = null;
if (file != null)
{
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
switch (name)
{
case "user.crc32":
hash = file.Crc32;
break;
case "user.md5":
hash = file.Md5;
break;
case "user.sha1":
hash = file.Sha1;
break;
case "user.sha256":
hash = file.Sha256;
break;
case "user.sha384":
hash = file.Sha384;
break;
case "user.sha512":
hash = file.Sha512;
break;
}
}
else
{
CachedDisk disk = _vfs.GetDisk(machine.Id, pieces[2]);
if (disk != null)
{
switch (name)
{
case "user.md5":
hash = disk.Md5;
break;
case "user.sha1":
hash = disk.Sha1;
break;
}
}
else
{
CachedMedia media = _vfs.GetMedia(machine.Id, pieces[2]);
if (media == null)
{
return(Errno.ENOENT);
}
switch (name)
{
case "user.md5":
hash = media.Md5;
break;
case "user.sha1":
hash = media.Sha1;
break;
case "user.sha256":
hash = media.Sha256;
break;
case "user.spamsum":
hash = media.SpamSum;
break;
}
}
}
if (hash == null)
{
return(Errno.ENODATA);
}
byte[] xattr = null;
if (name == "user.spamsum")
{
xattr = Encoding.ASCII.GetBytes(hash);
}
else
{
xattr = new byte[hash.Length / 2];
for (int i = 0; i < xattr.Length; i++)
{
if (hash[i * 2] >= 0x30 &&
hash[i * 2] <= 0x39)
{
xattr[i] = (byte)((hash[i * 2] - 0x30) * 0x10);
}
else if (hash[i * 2] >= 0x41 &&
hash[i * 2] <= 0x46)
{
xattr[i] = (byte)((hash[i * 2] - 0x37) * 0x10);
}
else if (hash[i * 2] >= 0x61 &&
hash[i * 2] <= 0x66)
{
xattr[i] = (byte)((hash[i * 2] - 0x57) * 0x10);
}
if (hash[(i * 2) + 1] >= 0x30 &&
hash[(i * 2) + 1] <= 0x39)
{
xattr[i] += (byte)(hash[(i * 2) + 1] - 0x30);
}
else if (hash[(i * 2) + 1] >= 0x41 &&
hash[(i * 2) + 1] <= 0x46)
{
xattr[i] += (byte)(hash[(i * 2) + 1] - 0x37);
}
else if (hash[(i * 2) + 1] >= 0x61 &&
hash[(i * 2) + 1] <= 0x66)
{
xattr[i] += (byte)(hash[(i * 2) + 1] - 0x57);
}
}
}
if (value == null)
{
bytesWritten = xattr.Length;
return(0);
}
int maxSize = value.Length > xattr.Length ? xattr.Length : value.Length;
Array.Copy(xattr, 0, value, 0, maxSize);
bytesWritten = maxSize;
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);
}
protected override Errno OnAccessPath(string path, AccessModes mode)
{
string[] pieces = _vfs.SplitPath(path);
if (pieces.Length == 0)
{
return(mode.HasFlag(AccessModes.W_OK) ? Errno.EROFS : 0);
}
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(mode.HasFlag(AccessModes.W_OK) ? Errno.EROFS : 0);
}
CachedMachine machine = _vfs.GetMachine(romSetId, pieces[1]);
if (machine == null)
{
return(Errno.ENOENT);
}
if (pieces.Length == 2)
{
return(mode.HasFlag(AccessModes.W_OK) ? Errno.EROFS : 0);
}
CachedFile file = _vfs.GetFile(machine.Id, pieces[2]);
if (file != null)
{
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
return(mode.HasFlag(AccessModes.W_OK) ? Errno.EROFS : 0);
}
CachedDisk disk = _vfs.GetDisk(machine.Id, pieces[2]);
if (disk != null)
{
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
return(mode.HasFlag(AccessModes.W_OK) ? Errno.EROFS : 0);
}
CachedMedia media = _vfs.GetMedia(machine.Id, pieces[2]);
if (media == null)
{
return(Errno.ENOENT);
}
if (pieces.Length > 3)
{
return(Errno.ENOSYS);
}
return(mode.HasFlag(AccessModes.W_OK) ? Errno.EROFS : 0);
}