org.rhq.plugins.virt.VirtualizationInterfaceComponent Maven / Gradle / Ivy
/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.plugins.virt;
import java.lang.reflect.Field;
import java.util.Set;
import org.libvirt.DomainInterfaceStats;
import org.libvirt.LibvirtException;
import org.rhq.core.domain.measurement.AvailabilityType;
import org.rhq.core.domain.measurement.MeasurementDataNumeric;
import org.rhq.core.domain.measurement.MeasurementReport;
import org.rhq.core.domain.measurement.MeasurementScheduleRequest;
import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException;
import org.rhq.core.pluginapi.inventory.ResourceComponent;
import org.rhq.core.pluginapi.inventory.ResourceContext;
import org.rhq.core.pluginapi.measurement.MeasurementFacet;
/**
* @author Greg Hinkle
*/
public class VirtualizationInterfaceComponent implements ResourceComponent,
MeasurementFacet {
ResourceContext resourceContext;
public void start(ResourceContext virtualizationComponentResourceContext)
throws InvalidPluginConfigurationException, Exception {
this.resourceContext = virtualizationComponentResourceContext;
}
public void stop() {
}
public AvailabilityType getAvailability() {
return resourceContext.getParentResourceComponent().getAvailability();
}
private LibVirtConnection getConnection() throws LibvirtException {
return this.resourceContext.getParentResourceComponent().getConnection();
}
public void getValues(MeasurementReport report, Set metrics) throws Exception {
DomainInterfaceStats stats = getConnection().getDomainInterfaceStats(
this.resourceContext.getParentResourceComponent().getDomainName(), this.resourceContext.getResourceKey());
for (MeasurementScheduleRequest request : metrics) {
Field f = stats.getClass().getField(request.getName());
report.addData(new MeasurementDataNumeric(request, (double) f.getLong(stats)));
}
}
}
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