/************************************************************************* * Copyright 2009-2012 Eucalyptus Systems, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/. * * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need * additional information or have any questions. ************************************************************************/ package com.eucalyptus.objectstorage; import static com.eucalyptus.reporting.event.ResourceAvailabilityEvent.ResourceType.StorageObject; import org.apache.commons.io.FileUtils; import org.apache.log4j.Logger; import com.eucalyptus.bootstrap.Bootstrap; import com.eucalyptus.bootstrap.BootstrapArgs; import com.eucalyptus.event.ClockTick; import com.eucalyptus.event.EventListener; import com.eucalyptus.event.ListenerRegistry; import com.eucalyptus.event.Listeners; import com.eucalyptus.objectstorage.entities.ObjectStorageGlobalConfiguration; import com.eucalyptus.objectstorage.policy.ObjectStorageQuotaUtil; import com.eucalyptus.reporting.event.ResourceAvailabilityEvent; import com.eucalyptus.reporting.event.ResourceAvailabilityEvent.Availability; import com.eucalyptus.storage.config.ConfigurationCache; /** * Event listener that fires ResourceAvailabilityEvents for the ObjectStorage. */ public class ObjectStorageAvailabilityEventListener implements EventListener<ClockTick> { private static Logger logger = Logger.getLogger(ObjectStorageAvailabilityEventListener.class); public static void register() { Listeners.register(ClockTick.class, new ObjectStorageAvailabilityEventListener()); } @Override public void fireEvent(final ClockTick event) { if (BootstrapArgs.isCloudController() && Bootstrap.isOperational()) { try { long capacity = ConfigurationCache.getConfiguration(ObjectStorageGlobalConfiguration.class).getMax_total_reporting_capacity_gb(); if ( capacity < Integer.MAX_VALUE ) { ListenerRegistry.getInstance( ).fireEvent( new ResourceAvailabilityEvent( StorageObject, new Availability( capacity, Math.max( 0, capacity - (long) Math.ceil( (double) ObjectStorageQuotaUtil.getTotalObjectSize( ) / FileUtils.ONE_GB ) ) ) ) ); } } catch (Exception ex) { logger.error(ex, ex); } } } }