//______________________________________________________________________________ // // $Id$ // $Author$ // // created 10/05 by Dmitry Litvintsev (litvinse@fnal.gov) //______________________________________________________________________________ /* COPYRIGHT STATUS: Dec 1st 2001, Fermi National Accelerator Laboratory (FNAL) documents and software are sponsored by the U.S. Department of Energy under Contract No. DE-AC02-76CH03000. Therefore, the U.S. Government retains a world-wide non-exclusive, royalty-free license to publish or reproduce these documents and software for U.S. Government purposes. All documents and software available from this server are protected under the U.S. and Foreign Copyright Laws, and FNAL reserves all rights. Distribution of the software available from this server is free of charge subject to the user following the terms of the Fermitools Software Legal Information. Redistribution and/or modification of the software shall be accompanied by the Fermitools Software Legal Information (including the copyright notice). The user is asked to feed back problems, benefits, and/or suggestions about the software to the Fermilab Software Providers. Neither the name of Fermilab, the URA, nor the names of the contributors may be used to endorse or promote products derived from this software without specific prior written permission. DISCLAIMER OF LIABILITY (BSD): THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL FERMILAB, OR THE URA, OR THE U.S. DEPARTMENT of ENERGY, OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Liabilities of the Government: This software is provided by URA, independent from its Prime Contract with the U.S. Department of Energy. URA is acting independently from the Government and in its own private capacity and is not acting on behalf of the U.S. Government, nor as its contractor nor its agent. Correspondingly, it is understood and agreed that the U.S. Government has no connection to this software and in no manner whatsoever shall be liable for nor assume any responsibility or obligation for any claim, cost, or damages arising out of or resulting from the use of the software available from this server. Export Control: All documents and software available from this server are subject to U.S. export control laws. Anyone downloading information from this server is obligated to secure any necessary Government licenses before exporting documents or software obtained from this server. */ package diskCacheV111.srm.dcache; import javax.security.auth.Subject; import java.util.EnumSet; import java.util.concurrent.Executor; import diskCacheV111.util.CacheException; import diskCacheV111.util.PnfsId; import diskCacheV111.vehicles.DoorRequestInfoMessage; import diskCacheV111.vehicles.PnfsDeleteEntryMessage; import dmg.cells.nucleus.CellAddressCore; import org.dcache.auth.Subjects; import org.dcache.auth.attributes.Restriction; import org.dcache.cells.AbstractMessageCallback; import org.dcache.cells.CellStub; import org.dcache.srm.RemoveFileCallback; import static org.dcache.namespace.FileType.LINK; import static org.dcache.namespace.FileType.REGULAR; public class RemoveFileCompanion extends AbstractMessageCallback<PnfsDeleteEntryMessage> { private final Subject _subject; private final RemoveFileCallback _callback; private final String _path; private final CellAddressCore _myAddress; private final CellStub _billingStub; private RemoveFileCompanion(Subject subject, String path, RemoveFileCallback callbacks, CellAddressCore address, CellStub billingStub) { _subject = subject; _path = path; _callback = callbacks; _myAddress = address; _billingStub = billingStub; } public static void removeFile(Subject subject, Restriction restriction, String path, RemoveFileCallback callbacks, CellStub pnfsStub, CellStub billingStub, CellAddressCore address, Executor executor) { RemoveFileCompanion companion = new RemoveFileCompanion(subject, path, callbacks, address, billingStub); PnfsDeleteEntryMessage message = new PnfsDeleteEntryMessage(path, EnumSet.of(LINK, REGULAR)); message.setSubject(subject); message.setRestriction(restriction); CellStub.addCallback(pnfsStub.send(message), companion, executor); } @Override public void success(PnfsDeleteEntryMessage message) { sendRemoveInfoToBilling(message.getPnfsId()); _callback.success(); } @Override public void failure(int rc, Object error) { switch (rc) { case CacheException.FILE_NOT_FOUND: _callback.notFound("No such file"); break; case CacheException.NOT_FILE: _callback.notFound("Not a file"); break; case CacheException.TIMEOUT: timeout(); break; case CacheException.PERMISSION_DENIED: _callback.permissionDenied(); break; default: _callback.failure(String.format("Deletion failed [rc=%d,msg=%s]", rc, error)); break; } } public void noroute() { /* No route and timeout are both transient errors and to the client it doesn't * matter whether we fail because of one or the other condition. */ _callback.timeout(); } public void timeout() { _callback.timeout(); } private void sendRemoveInfoToBilling(PnfsId pnfsid) { DoorRequestInfoMessage msg = new DoorRequestInfoMessage(_myAddress, "remove"); msg.setSubject(_subject); msg.setBillingPath(_path); msg.setPnfsId(pnfsid); msg.setClient(Subjects.getOrigin(_subject).getAddress().getHostAddress()); _billingStub.notify(msg); } }