Examples with FsInode org.dcache.chimera.FsInode used on opensource projects

Example 1 with FsInode

use of org.dcache.chimera.FsInode in project dcache by dCache.

the class ChimeraVfs method getXattr.

@Override
public byte[] getXattr(Inode inode, String attr) throws IOException {
    FsInode fsInode = toFsInode(inode);
    try {
        if (attr.startsWith(XATTR_TAG_PREFIX) && fsInode.isDirectory()) {
            String tagName = attr.substring(XATTR_TAG_PREFIX.length());
            byte[] buf = new byte[1024];
            int n = _fs.getTag(fsInode, tagName, buf, 0, buf.length);
            if (n == 0) {
                throw new NoXattrException("tag doesn't exist or empty");
            }
            return Arrays.copyOf(buf, n);
        }
        // try dcache dot files first
        var dcache_attr = SpecialXattrs.byName(attr);
        if (dcache_attr.isPresent()) {
            return dcache_attr.get().read(fsInode);
        }
        // just a regular extended attribute
        return _fs.getXattr(fsInode, attr);
    } catch (NoXdataChimeraException e) {
        throw new NoXattrException(e.getMessage(), e);
    }
}

Example 2 with FsInode

use of org.dcache.chimera.FsInode in project dcache by dCache.

the class ChimeraVfs method create.

@Override
public Inode create(Inode parent, Stat.Type type, String path, Subject subject, int mode) throws IOException {
    int uid = (int) UnixSubjects.getUid(subject);
    int gid = (int) UnixSubjects.getPrimaryGid(subject);
    try {
        FsInode parentFsInode = toFsInode(parent);
        FsInode fsInode = _fs.createFile(parentFsInode, path, uid, gid, mode | typeToChimera(type), typeToChimera(type));
        return toInode(fsInode);
    } catch (FileExistsChimeraFsException e) {
        throw new ExistException("path already exists");
    } catch (QuotaChimeraFsException e) {
        throw new DQuotException(e.getMessage());
    }
}

Example 3 with FsInode

use of org.dcache.chimera.FsInode in project dcache by dCache.

the class ChimeraVfs method lookup.

@Override
public Inode lookup(Inode parent, String path) throws IOException {
    try {
        FsInode parentFsInode = toFsInode(parent);
        FsInode fsInode = parentFsInode.inodeOf(path, NO_STAT);
        return toInode(fsInode);
    } catch (FileNotFoundChimeraFsException e) {
        throw new NoEntException("Path Do not exist.");
    }
}

Example 4 with FsInode

use of org.dcache.chimera.FsInode in project dcache by dCache.

the class ChimeraVfs method removeXattr.

@Override
public void removeXattr(Inode inode, String attr) throws IOException {
    FsInode fsInode = toFsInode(inode);
    // try dcache dot files first
    var dcache_attr = SpecialXattrs.byName(attr);
    if (dcache_attr.isPresent()) {
        throw new PermException("Can't remove dCache attribute");
    }
    try {
        if (attr.startsWith(XATTR_TAG_PREFIX) && fsInode.isDirectory()) {
            String tagName = attr.substring(XATTR_TAG_PREFIX.length());
            _fs.removeTag(fsInode, tagName);
        } else {
            _fs.removeXattr(fsInode, attr);
        }
    } catch (NoXdataChimeraException e) {
        throw new NoXattrException(e.getMessage(), e);
    }
}

Example 5 with FsInode

use of org.dcache.chimera.FsInode in project dcache by dCache.

the class ChimeraVfs method list.

@Override
public DirectoryStream list(Inode inode, byte[] verifier, long cookie) throws IOException {
    FsInode parentFsInode = toFsInode(inode);
    // ignore whatever is sent by client
    byte[] currentVerifier = directoryVerifier(inode);
    try (Stream<ChimeraDirectoryEntry> dirStream = DirectoryStreamHelper.streamOf(parentFsInode)) {
        TreeSet<DirectoryEntry> list = dirStream.map(e -> new DirectoryEntry(e.getName(), toInode(e.getInode()), fromChimeraStat(e.getStat()), directoryCookieOf(e.getStat(), e.getName()))).collect(Collectors.toCollection(TreeSet::new));
        return new DirectoryStream(currentVerifier, list);
    }
}