Examples with PnfsHandler diskCacheV111.util.PnfsHandler used on opensource projects

Example 1 with PnfsHandler

use of diskCacheV111.util.PnfsHandler in project dcache by dCache.

the class ALRPStorageUnitQoSProvider method pnfsHandler.

private PnfsHandler pnfsHandler() {
    PnfsHandler pnfsHandler = new PnfsHandler(pnfsManager);
    pnfsHandler.setSubject(Subjects.ROOT);
    pnfsHandler.setRestriction(Restrictions.none());
    return pnfsHandler;
}

Example 2 with PnfsHandler

use of diskCacheV111.util.PnfsHandler in project dcache by dCache.

the class XrootdDoor method deleteFile.

/**
 * Delete the file denoted by path from the namespace
 *
 * @param path The path of the file that is going to be deleted
 * @throws CacheException                 Deletion of the file failed
 * @throws PermissionDeniedCacheException Caller does not have permission to delete the file
 */
public void deleteFile(FsPath path, Subject subject, Restriction restriction) throws PermissionDeniedCacheException, CacheException {
    PnfsHandler pnfsHandler = new PnfsHandler(_pnfs, subject, restriction);
    if (!isWriteAllowed(path)) {
        throw new PermissionDeniedCacheException("Write permission denied");
    }
    Set<FileType> allowedSet = EnumSet.of(FileType.REGULAR);
    PnfsId pnfsId = pnfsHandler.deletePnfsEntry(path.toString(), allowedSet);
    sendRemoveInfoToBilling(pnfsId, path, subject);
}

Example 3 with PnfsHandler

use of diskCacheV111.util.PnfsHandler in project dcache by dCache.

the class XrootdDoor method deleteDirectory.

/**
 * Delete the directory denoted by path from the namespace
 *
 * @param path The path of the directory that is going to be deleted
 * @throws CacheException
 */
public void deleteDirectory(FsPath path, Subject subject, Restriction restriction) throws CacheException {
    PnfsHandler pnfsHandler = new PnfsHandler(_pnfs, subject, restriction);
    if (!isWriteAllowed(path)) {
        throw new PermissionDeniedCacheException("Write permission denied");
    }
    Set<FileType> allowedSet = EnumSet.of(FileType.DIR);
    pnfsHandler.deletePnfsEntry(path.toString(), allowedSet);
}

Example 4 with PnfsHandler

use of diskCacheV111.util.PnfsHandler in project dcache by dCache.

the class XrootdDoor method listPath.

/**
 * List the contents of a path, usually a directory. In order to make fragmented responses, as
 * supported by the xroot protocol, possible and not block the processing thread in the door,
 * this will register the passed callback along with the UUID of the message that is sent to
 * PNFS-manager.
 * <p>
 * Once PNFS-manager replies to the message, that callback is retrieved and the response is
 * processed by the callback.
 *
 * @param path        The path that is listed
 * @param restriction The Restriction in effect
 * @param subject     Representation of user that request listing
 * @param callback    The callback that will process the response
 */
public void listPath(FsPath path, Subject subject, Restriction restriction, MessageCallback<PnfsListDirectoryMessage> callback, EnumSet<FileAttribute> attributes) {
    PnfsHandler pnfsHandler = new PnfsHandler(_pnfs, subject, restriction);
    PnfsListDirectoryMessage msg = new PnfsListDirectoryMessage(path.toString(), null, Range.<Integer>all(), attributes);
    UUID uuid = msg.getUUID();
    try {
        DirlistRequestHandler requestHandler = new DirlistRequestHandler(uuid, pnfsHandler.getPnfsTimeout(), callback);
        _requestHandlers.put(uuid, requestHandler);
        pnfsHandler.send(msg);
        requestHandler.resetTimeout();
    } catch (RejectedExecutionException ree) {
        _requestHandlers.remove(uuid);
        callback.failure(CacheException.UNEXPECTED_SYSTEM_EXCEPTION, ree.getMessage());
    }
}

Example 5 with PnfsHandler

use of diskCacheV111.util.PnfsHandler in project dcache by dCache.

the class XrootdDoor method getMultipleFileStatuses.

public int[] getMultipleFileStatuses(FsPath[] allPaths, Subject subject, Restriction restriction) throws CacheException {
    PnfsHandler pnfsHandler = new PnfsHandler(_pnfs, subject, restriction);
    int[] flags = new int[allPaths.length];
    // TODO: Use SpreadAndWait
    for (int i = 0; i < allPaths.length; i++) {
        try {
            Set<FileAttribute> requestedAttributes = EnumSet.of(TYPE);
            requestedAttributes.addAll(_pdp.getRequiredAttributes());
            FileAttributes attributes = pnfsHandler.getFileAttributes(allPaths[i].toString(), requestedAttributes);
            flags[i] = getFileStatusFlags(subject, restriction, allPaths[i], attributes);
        } catch (CacheException e) {
            if (e.getRc() != CacheException.FILE_NOT_FOUND) {
                throw e;
            }
            flags[i] = kXR_other;
        }
    }
    return flags;
}