/*
* Copyright (C) [2004, 2005, 2006], 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.jmx;
import org.hyperic.sigar.ProcCpu;
import org.hyperic.sigar.ProcFd;
import org.hyperic.sigar.ProcMem;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.SigarProxy;
import org.hyperic.sigar.SigarProxyCache;
/**
* Implement the SigarProcessMBean to provide current process info
* via JMX.
*/
public class SigarProcess implements SigarProcessMBean {
private Sigar sigarImpl;
private SigarProxy sigar;
public SigarProcess() {
this(new Sigar());
}
public SigarProcess(Sigar sigar) {
this.sigarImpl = sigar;
this.sigar = SigarProxyCache.newInstance(sigarImpl);
}
public void close() {
this.sigarImpl.close();
}
private RuntimeException unexpectedError(String type,
SigarException e) {
String msg =
"Unexected error in Sigar.get" + type +
": " + e.getMessage();
return new IllegalArgumentException(msg);
}
private synchronized ProcMem getMem() {
try {
long pid = this.sigar.getPid();
return this.sigar.getProcMem(pid);
} catch (SigarException e) {
throw unexpectedError("Mem", e);
}
}
private synchronized ProcCpu getCpu() {
try {
long pid = this.sigar.getPid();
return this.sigar.getProcCpu(pid);
} catch (SigarException e) {
throw unexpectedError("Cpu", e);
}
}
private synchronized ProcFd getFd() {
try {
long pid = this.sigar.getPid();
return this.sigar.getProcFd(pid);
} catch (SigarException e) {
throw unexpectedError("Fd", e);
}
}
public Long getMemSize() {
return new Long(getMem().getSize());
}
/**
* @deprecated
* @see getMemSize
*/
public Long getMemVsize() {
return getMemSize();
}
public Long getMemResident() {
return new Long(getMem().getResident());
}
public Long getMemShare() {
return new Long(getMem().getShare());
}
public Long getMemPageFaults() {
return new Long(getMem().getPageFaults());
}
public Long getTimeUser() {
return new Long(getCpu().getUser());
}
public Long getTimeSys() {
return new Long(getCpu().getSys());
}
public Double getCpuUsage() {
return new Double(getCpu().getPercent());
}
public Long getOpenFd() {
return new Long(getFd().getTotal());
}
public static void main(String args[]) {
SigarProcessMBean proc = new SigarProcess();
System.out.println("MemSize=" + proc.getMemSize());
System.out.println("MemResident=" + proc.getMemResident());
System.out.println("MemShared=" + proc.getMemShare());
System.out.println("MemPageFaults=" + proc.getMemPageFaults());
System.out.println("TimeUser=" + proc.getTimeUser());
System.out.println("TimeSys=" + proc.getTimeSys());
System.out.println("OpenFd=" + proc.getOpenFd());
}
}