services.moleculer.monitor

Class SigarMonitor

java.lang.Object

services.moleculer.monitor.Monitor

services.moleculer.monitor.SigarMonitor

public class SigarMonitor
extends Monitor

Sigar API-based System Monitor. You need to copy Sigar natives (DLLs, etc.) into the directory which is defined by the "java.library.path" System Property. This monitor is more accurate than the JmxMonitor.

Required dependency:

// https://mvnrepository.com/artifact/org.fusesource/sigar
compile group: 'org.fusesource', name: 'sigar', version: '1.6.4'

+ Sigar DLLs (eg. "sigar-amd64-winnt.dll" and "sigar-x86-winnt.dll")

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.hyperic.sigar.Sigar	sigar

Fields inherited from class services.moleculer.monitor.Monitor

cachedCPU, cachedPID, cacheTimeout, cpuDetectedAt, invalidMonitor, logger

Constructor Summary

Constructors

Constructor and Description
SigarMonitor()

Method Summary

Modifier and Type	Method and Description
protected long	detectPID() Returns the PID of Java VM.
protected int	detectTotalCpuPercent() Returns the system CPU usage, in percents, between 0 and 100.

Methods inherited from class services.moleculer.monitor.Monitor

getPID, getTotalCpuPercent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sigar

protected static org.hyperic.sigar.Sigar sigar

Constructor Detail

SigarMonitor

public SigarMonitor()

Method Detail

detectTotalCpuPercent

protected int detectTotalCpuPercent()
                             throws java.lang.Exception

Returns the system CPU usage, in percents, between 0 and 100.

Specified by:

detectTotalCpuPercent in class Monitor

Returns:

total CPU usage of the current OS

Throws:

java.lang.Exception - any I/O or missing DLL exception

detectPID

protected long detectPID()
                  throws java.lang.Exception

Returns the PID of Java VM.

Specified by:

detectPID in class Monitor

Returns:

current Java VM's process ID

Throws:

java.lang.Exception - any I/O or missing DLL exception