/*
* Copyright (C) [2004-2009], Hyperic, Inc.
* This file is part of SIGAR.
*
* SIGAR is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
package org.hyperic.sigar.test;
import java.util.ArrayList;
import org.hyperic.sigar.CpuPerc;
import org.hyperic.sigar.Humidor;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.SigarProxy;
public class TestHumidor extends SigarTestCase {
public TestHumidor(String name) {
super(name);
}
private static class HumidorThread extends Thread {
private SigarProxy sigar;
private HumidorThread(SigarProxy sigar) {
this.sigar = sigar;
}
public void run() {
try {
getProcCpu(this.sigar);
} catch (Exception e) {
throw new IllegalArgumentException(e.getMessage());
}
}
}
private static void getProcCpu(SigarProxy sigar) throws Exception {
long[] pids = sigar.getProcList();
for (int j=0; j<10; j++) {
for (int i=0; i<pids.length; i++) {
try {
double cpu = sigar.getProcCpu(pids[i]).getPercent();
if (SigarTestCase.getVerbose()) {
System.out.println(Thread.currentThread().getName() +
" " + pids[i] + "=" + CpuPerc.format(cpu));
}
} catch (SigarException e) {
//ok - process may have gone away or permission denied.
}
}
}
}
private void runTests(SigarProxy sigar) throws Exception {
ArrayList threads = new ArrayList();
for (int i=0; i<3; i++) {
Thread t = new HumidorThread(sigar);
threads.add(t);
t.start();
}
for (int i=0; i<threads.size(); i++) {
Thread t = (Thread)threads.get(i);
t.join();
}
}
public void testGlobalInstance() throws Exception {
runTests(Humidor.getInstance().getSigar());
}
public void testInstance() throws Exception {
Sigar sigar = new Sigar();
runTests(new Humidor(sigar).getSigar());
sigar.close();
}
//uncomment to see if this test will indeed cause a segfault
//without the protection of the Humidor
//public void testUnwrapped() throws Exception {
// runTests(new Sigar());
//}
}