/*
* 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, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* 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 and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.plugins.platform;
import java.net.InetAddress;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.domain.measurement.AvailabilityType;
import org.rhq.core.domain.measurement.MeasurementDataNumeric;
import org.rhq.core.domain.measurement.MeasurementDataTrait;
import org.rhq.core.domain.measurement.MeasurementReport;
import org.rhq.core.domain.measurement.MeasurementScheduleRequest;
import org.rhq.core.pluginapi.inventory.ResourceComponent;
import org.rhq.core.pluginapi.inventory.ResourceContext;
import org.rhq.core.pluginapi.measurement.MeasurementFacet;
import org.rhq.core.pluginapi.util.ObjectUtil;
import org.rhq.core.system.NetworkAdapterInfo;
import org.rhq.core.system.NetworkAdapterStats;
public class NetworkAdapterComponent implements ResourceComponent<PlatformComponent>, MeasurementFacet {
private final Log log = LogFactory.getLog(NetworkAdapterComponent.class);
private ResourceContext<PlatformComponent> context;
public void start(ResourceContext<PlatformComponent> resourceContext) {
this.context = resourceContext;
// BZ 797331 - Since we expect some NetworkAdapters to be inactive, just DISABLE them at the start. Do
// this once-per-start check in a thread because for DOWN adapters this could be a slow call, also
// the disable() method requires a server round trip. Together this can seemingly hang agent startup (actually
// plugin container startup) as component starts are done sequentially.
Thread t = new Thread(new Runnable() {
public void run() {
NetworkAdapterInfo.OperationState operationState;
try {
operationState = getInfo().getOperationalStatus();
} catch (Throwable t) {
operationState = NetworkAdapterInfo.OperationState.DOWN;
}
if (NetworkAdapterInfo.OperationState.DOWN.equals(operationState)) {
context.getAvailabilityContext().disable();
log.info("Disabled " + context.getResourceKey() + " as it was down at component start");
}
}
});
t.start();
}
public void stop() {
}
public AvailabilityType getAvailability() {
if (getInfo().getOperationalStatus() == NetworkAdapterInfo.OperationState.UP) {
return AvailabilityType.UP;
}
return AvailabilityType.DOWN;
}
private NetworkAdapterInfo getInfo() {
for (NetworkAdapterInfo info : this.context.getSystemInformation().getAllNetworkAdapters()) {
if (context.getResourceKey().equals(info.getName())) {
return info;
}
}
throw new RuntimeException("Could not find network adapter info [" + context.getResourceKey() + "]");
}
public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics) {
NetworkAdapterInfo info = getInfo();
NetworkAdapterStats stats = this.context.getSystemInformation().getNetworkAdapterStats(info.getName());
for (MeasurementScheduleRequest request : metrics) {
String property = request.getName();
if (property.startsWith("Trait.net4.address")) // TODO
{ // this trait is supported regardless of having native support or not
List<InetAddress> addrs = info.getUnicastAddresses();
String ifAddrs = (addrs.size() > 0) ? addrs.get(0).getHostAddress() : "";
for (int i = 1; i < addrs.size(); i++) {
ifAddrs += "," + addrs.get(i).getHostAddress();
}
report.addData(new MeasurementDataTrait(request, ifAddrs));
} else if (property.equals("Trait.interfaceFlags")) {
report.addData(new MeasurementDataTrait(request, info.getAllFlags()));
} else {
Number number = ((Number) ObjectUtil.lookupAttributeProperty(stats, request.getName()));
if (number != null) {
report.addData(new MeasurementDataNumeric(request, number.doubleValue()));
}
}
}
return;
}
}