org.elasticsearch.monitor.sigar.SigarService Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.monitor.sigar;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.hyperic.sigar.Sigar;
/**
*
*/
public class SigarService extends AbstractComponent {
private final Sigar sigar;
@Inject
public SigarService(Settings settings) {
super(settings);
Sigar sigar = null;
try {
sigar = new Sigar();
// call it to make sure the library was loaded
sigar.getPid();
logger.trace("sigar loaded successfully");
} catch (Throwable t) {
logger.trace("failed to load sigar", t);
if (sigar != null) {
try {
sigar.close();
} catch (Throwable t1) {
// ignore
} finally {
sigar = null;
}
}
}
this.sigar = sigar;
}
public boolean sigarAvailable() {
return sigar != null;
}
public Sigar sigar() {
return this.sigar;
}
}