dos2unix
This commit is contained in:
Doug MacEachern
parent
e1f64cfe2d
commit
168c14e0ff
@ -1,273 +1,273 @@
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/*
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* Copyright (C) [2004, 2005, 2006, 2007], Hyperic, Inc.
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* This file is part of SIGAR.
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*
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* SIGAR is free software; you can redistribute it and/or modify
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* it under the terms version 2 of the GNU General Public License as
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* published by the Free Software Foundation. This program is distributed
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* in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*/
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package org.hyperic.sigar.jmx;
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import javax.management.Attribute;
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import javax.management.AttributeList;
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import javax.management.AttributeNotFoundException;
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import javax.management.DynamicMBean;
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import javax.management.MBeanException;
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import javax.management.MBeanRegistration;
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import javax.management.MBeanServer;
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import javax.management.ObjectName;
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import javax.management.ReflectionException;
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import org.hyperic.sigar.Sigar;
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import org.hyperic.sigar.SigarException;
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import org.hyperic.sigar.SigarProxy;
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import org.hyperic.sigar.SigarProxyCache;
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/**
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* Base class for all Sigar JMX MBeans. Provides a skeleton which handles
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* creation of the Sigar proxy instance and provides some convenience methods.
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* It also enforces usage of the {@link DynamicMBean} inferface while
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* implementing part of it, and it adds empty implementations for all methods of
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* the {@link MBeanRegistration} interface, allowing subclasses to only
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* implement subset of them.
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*
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* @author Bjoern Martin
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* @since 1.5
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*/
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public abstract class AbstractMBean implements DynamicMBean, MBeanRegistration {
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public static final String MBEAN_DOMAIN = SigarInvokerJMX.DOMAIN_NAME;
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public static final String MBEAN_ATTR_TYPE = SigarInvokerJMX.PROP_TYPE;
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protected static final short CACHED_30SEC = 0;
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protected static final short CACHED_5SEC = 1;
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protected static final short CACHED_500MS = 2;
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protected static final short CACHELESS = 3;
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protected static final short DEFAULT = CACHED_30SEC;
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/**
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* The Sigar implementation to be used to fetch information from the system.
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*/
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protected final Sigar sigarImpl;
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/**
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* The Sigar proxy cache to be used in case the data does not have to be
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* fetched during each call. The cache timeout is decided during
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* construction. See {@link AbstractMBean#AbstractMBean(Sigar, short)} for
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* details.
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*
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* @see AbstractMBean#AbstractMBean(Sigar, short)
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*/
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protected final SigarProxy sigar;
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/**
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* The MBean server this MBean is registered to. Set during the MBean's
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* registration to the MBean server and unset to <code>null</code> when
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* the deregistration finished.
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*
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* @see #preRegister(MBeanServer, ObjectName)
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* @see #postDeregister()
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*/
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protected MBeanServer mbeanServer;
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/**
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* <p>Creates a new instance of this class. The Sigar instance is stored (and
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* accessible) via the {@link #sigarImpl} member. A second instance is
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* stored within the {@link #sigar} member which is either {@link #sigarImpl}
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* or an instance of {@link SigarProxyCache} with the expiration time set to
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* whatever the <code>cacheMode</code> parameter specifies.</p>
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*
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* <p>The following cache modes exist:</p>
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*
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* <table border = "1">
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* <tr><td><b>Constant</b></td><td><b>Description</b></td></tr>
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* <tr><td>{@link #CACHELESS}</td><td>No cached instance, {@link #sigar}
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* <code>==</code> {@link #sigarImpl}.</td></tr>
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* <tr><td>{@link #CACHED_500MS}</td><td>500 millisecond cache, for high
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* frequency queries on raw data such as reading out CPU timers each
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* second. Avoids reading out multiple data sets when all attributes of
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* an MBean are queried in short sequence.</td></tr>
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* <tr><td>{@link #CACHED_5SEC}</td><td>5 second cache, for high frequency
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* queries on calculated data such as CPU percentages.</td></tr>
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* <tr><td>{@link #CACHED_30SEC}</td><td>30 second cache, for normal queries
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* or data readouts such as CPU model / vendor. This is the default if
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* nothing (<code>0</code>) is specified.</td></tr>
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* <tr><td>{@link #DEFAULT}</td><td>Same as {@link #CACHED_30SEC}.</td></tr>
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* </table>
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*
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* <p><b>Note:</b> Only make use of the cacheless or half second mode if you
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* know what you are doing. They may have impact on system performance if
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* used excessively.</p>
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*
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* @param sigar The Sigar impl to use. Must not be <code>null</code>
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* @param cacheMode The cache mode to use for {@link #sigar} or {@link #CACHELESS}
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* if no separate, cached instance is to be maintained.
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*/
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protected AbstractMBean(Sigar sigar, short cacheMode) {
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// store Sigar
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this.sigarImpl = sigar;
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// create a cached instance as well
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if (cacheMode == CACHELESS) {
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// no cached version
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this.sigar = this.sigarImpl;
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} else if (cacheMode == CACHED_500MS) {
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// 500ms cached version (for 1/sec queries)
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this.sigar = SigarProxyCache.newInstance(this.sigarImpl, 500);
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} else if (cacheMode == CACHED_5SEC) {
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// 5sec cached version (for avg'd queries)
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this.sigar = SigarProxyCache.newInstance(this.sigarImpl, 5000);
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} else /* if (cacheMode == CACHED_30SEC) */{
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// 30sec (default) cached version (for info and long term queries)
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this.sigar = SigarProxyCache.newInstance(this.sigarImpl, 30000);
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}
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}
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/**
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* Returns the object name the MBean is registered with within the
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* MBeanServer. May be <code>null</code> in case the instance is not
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* registered to an MBeanServer, but used standalone.
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*
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* @return The object name or <code>null</code> if not registered to an
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* MBeanServer
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*/
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public abstract String getObjectName();
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/**
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* Returns a runtime exception for the type and SigarException specified.
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*
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* @param type
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* The type that was called
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* @param e
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* The exception that was raised
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* @return A runtime exception encapsulating the information specified
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*/
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protected RuntimeException unexpectedError(String type, SigarException e) {
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String msg = "Unexected error in Sigar.get" + type + ": "
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+ e.getMessage();
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return new IllegalArgumentException(msg);
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}
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/**
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* Loops over all attributes and calls
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* {@link DynamicMBean#getAttribute(java.lang.String)} method for each
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* attribute sequentially. Any exception thrown by those methods are ignored
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* and simply cause the attribute not being added to the result.
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*/
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public AttributeList getAttributes(String[] attrs) {
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final AttributeList result = new AttributeList();
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for (int i = 0; i < attrs.length; i++) {
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try {
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result.add(new Attribute(attrs[i], getAttribute(attrs[i])));
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} catch (AttributeNotFoundException e) {
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// ignore, as we cannot throw this exception
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} catch (MBeanException e) {
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// ignore, as we cannot throw this exception
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} catch (ReflectionException e) {
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// ignore, as we cannot throw this exception
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}
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}
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return result;
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}
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/**
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* Loops over all attributes and calls
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* {@link DynamicMBean#setAttribute(Attribute)} for each attribute
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* sequentially. Any exception thrown by those methods are ignored and
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* simply cause the attribute not being added to the result.
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*/
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public AttributeList setAttributes(AttributeList attrs) {
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final AttributeList result = new AttributeList();
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for (int i = 0; i < attrs.size(); i++) {
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try {
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final Attribute next = (Attribute) attrs.get(i);
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setAttribute(next);
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result.add(next);
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} catch (AttributeNotFoundException e) {
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// ignore, as we cannot throw this exception
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}
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}
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return result;
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}
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// -------
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// Implementation of the MBeanRegistration interface
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// -------
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/**
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* <p>Returns <code>new ObjectName(this.getObjectName())</code> to guarantee
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* a reliable and reproducable object name.</p>
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*
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* <p><b>Note:</b> Make sure any subclass does a super call to this method,
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* otherwise the implementation might be broken.</p>
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*
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* @see MBeanRegistration#preRegister(MBeanServer, ObjectName)
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*/
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public ObjectName preRegister(MBeanServer server, ObjectName name)
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throws Exception {
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this.mbeanServer = server;
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return new ObjectName(getObjectName());
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}
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/**
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* Empty implementation, allowing subclasses to ignore the interface.
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*
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* <p><b>Note:</b> Make sure any subclass does a super call to this method,
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* otherwise the implementation might be broken.</p>
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*
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* @see MBeanRegistration#postRegister(Boolean)
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*/
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public void postRegister(Boolean success) {
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}
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/**
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* Empty implementation, allowing subclasses to ignore the interface.
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*
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* <p><b>Note:</b> Make sure any subclass does a super call to this method,
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* otherwise the implementation might be broken.</p>
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*
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* @see MBeanRegistration#preDeregister()
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*/
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public void preDeregister() throws Exception {
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}
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/**
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* Empty implementation, allowing subclasses to ignore the interface.
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*
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* <p><b>Note:</b> Make sure any subclass does a super call to this method,
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* otherwise the implementation might be broken.</p>
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*
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* @see MBeanRegistration#postDeregister()
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*/
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public void postDeregister() {
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this.mbeanServer = null;
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}
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public void setAttribute(Attribute attr) throws AttributeNotFoundException {
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throw new AttributeNotFoundException(attr.getName());
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}
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public Object invoke(String name, Object[] params, String[] signature)
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throws ReflectionException {
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throw new ReflectionException(new NoSuchMethodException(name),
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name);
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}
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}
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/*
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* Copyright (C) [2004, 2005, 2006, 2007], Hyperic, Inc.
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* This file is part of SIGAR.
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*
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* SIGAR is free software; you can redistribute it and/or modify
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* it under the terms version 2 of the GNU General Public License as
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* published by the Free Software Foundation. This program is distributed
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* in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*/
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package org.hyperic.sigar.jmx;
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import javax.management.Attribute;
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import javax.management.AttributeList;
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import javax.management.AttributeNotFoundException;
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import javax.management.DynamicMBean;
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import javax.management.MBeanException;
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import javax.management.MBeanRegistration;
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import javax.management.MBeanServer;
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import javax.management.ObjectName;
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import javax.management.ReflectionException;
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import org.hyperic.sigar.Sigar;
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import org.hyperic.sigar.SigarException;
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import org.hyperic.sigar.SigarProxy;
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import org.hyperic.sigar.SigarProxyCache;
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/**
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* Base class for all Sigar JMX MBeans. Provides a skeleton which handles
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* creation of the Sigar proxy instance and provides some convenience methods.
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* It also enforces usage of the {@link DynamicMBean} inferface while
|
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* implementing part of it, and it adds empty implementations for all methods of
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* the {@link MBeanRegistration} interface, allowing subclasses to only
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* implement subset of them.
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*
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* @author Bjoern Martin
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* @since 1.5
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*/
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public abstract class AbstractMBean implements DynamicMBean, MBeanRegistration {
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public static final String MBEAN_DOMAIN = SigarInvokerJMX.DOMAIN_NAME;
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public static final String MBEAN_ATTR_TYPE = SigarInvokerJMX.PROP_TYPE;
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protected static final short CACHED_30SEC = 0;
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protected static final short CACHED_5SEC = 1;
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protected static final short CACHED_500MS = 2;
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protected static final short CACHELESS = 3;
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protected static final short DEFAULT = CACHED_30SEC;
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/**
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* The Sigar implementation to be used to fetch information from the system.
|
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*/
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protected final Sigar sigarImpl;
|
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|
||||
/**
|
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* The Sigar proxy cache to be used in case the data does not have to be
|
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* fetched during each call. The cache timeout is decided during
|
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* construction. See {@link AbstractMBean#AbstractMBean(Sigar, short)} for
|
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* details.
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*
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* @see AbstractMBean#AbstractMBean(Sigar, short)
|
||||
*/
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protected final SigarProxy sigar;
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/**
|
||||
* The MBean server this MBean is registered to. Set during the MBean's
|
||||
* registration to the MBean server and unset to <code>null</code> when
|
||||
* the deregistration finished.
|
||||
*
|
||||
* @see #preRegister(MBeanServer, ObjectName)
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* @see #postDeregister()
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*/
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protected MBeanServer mbeanServer;
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/**
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* <p>Creates a new instance of this class. The Sigar instance is stored (and
|
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* accessible) via the {@link #sigarImpl} member. A second instance is
|
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* stored within the {@link #sigar} member which is either {@link #sigarImpl}
|
||||
* or an instance of {@link SigarProxyCache} with the expiration time set to
|
||||
* whatever the <code>cacheMode</code> parameter specifies.</p>
|
||||
*
|
||||
* <p>The following cache modes exist:</p>
|
||||
*
|
||||
* <table border = "1">
|
||||
* <tr><td><b>Constant</b></td><td><b>Description</b></td></tr>
|
||||
* <tr><td>{@link #CACHELESS}</td><td>No cached instance, {@link #sigar}
|
||||
* <code>==</code> {@link #sigarImpl}.</td></tr>
|
||||
* <tr><td>{@link #CACHED_500MS}</td><td>500 millisecond cache, for high
|
||||
* frequency queries on raw data such as reading out CPU timers each
|
||||
* second. Avoids reading out multiple data sets when all attributes of
|
||||
* an MBean are queried in short sequence.</td></tr>
|
||||
* <tr><td>{@link #CACHED_5SEC}</td><td>5 second cache, for high frequency
|
||||
* queries on calculated data such as CPU percentages.</td></tr>
|
||||
* <tr><td>{@link #CACHED_30SEC}</td><td>30 second cache, for normal queries
|
||||
* or data readouts such as CPU model / vendor. This is the default if
|
||||
* nothing (<code>0</code>) is specified.</td></tr>
|
||||
* <tr><td>{@link #DEFAULT}</td><td>Same as {@link #CACHED_30SEC}.</td></tr>
|
||||
* </table>
|
||||
*
|
||||
* <p><b>Note:</b> Only make use of the cacheless or half second mode if you
|
||||
* know what you are doing. They may have impact on system performance if
|
||||
* used excessively.</p>
|
||||
*
|
||||
* @param sigar The Sigar impl to use. Must not be <code>null</code>
|
||||
* @param cacheMode The cache mode to use for {@link #sigar} or {@link #CACHELESS}
|
||||
* if no separate, cached instance is to be maintained.
|
||||
*/
|
||||
protected AbstractMBean(Sigar sigar, short cacheMode) {
|
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// store Sigar
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||||
this.sigarImpl = sigar;
|
||||
|
||||
// create a cached instance as well
|
||||
if (cacheMode == CACHELESS) {
|
||||
// no cached version
|
||||
this.sigar = this.sigarImpl;
|
||||
|
||||
} else if (cacheMode == CACHED_500MS) {
|
||||
// 500ms cached version (for 1/sec queries)
|
||||
this.sigar = SigarProxyCache.newInstance(this.sigarImpl, 500);
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||||
|
||||
} else if (cacheMode == CACHED_5SEC) {
|
||||
// 5sec cached version (for avg'd queries)
|
||||
this.sigar = SigarProxyCache.newInstance(this.sigarImpl, 5000);
|
||||
|
||||
} else /* if (cacheMode == CACHED_30SEC) */{
|
||||
// 30sec (default) cached version (for info and long term queries)
|
||||
this.sigar = SigarProxyCache.newInstance(this.sigarImpl, 30000);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the object name the MBean is registered with within the
|
||||
* MBeanServer. May be <code>null</code> in case the instance is not
|
||||
* registered to an MBeanServer, but used standalone.
|
||||
*
|
||||
* @return The object name or <code>null</code> if not registered to an
|
||||
* MBeanServer
|
||||
*/
|
||||
public abstract String getObjectName();
|
||||
|
||||
/**
|
||||
* Returns a runtime exception for the type and SigarException specified.
|
||||
*
|
||||
* @param type
|
||||
* The type that was called
|
||||
* @param e
|
||||
* The exception that was raised
|
||||
* @return A runtime exception encapsulating the information specified
|
||||
*/
|
||||
protected RuntimeException unexpectedError(String type, SigarException e) {
|
||||
String msg = "Unexected error in Sigar.get" + type + ": "
|
||||
+ e.getMessage();
|
||||
return new IllegalArgumentException(msg);
|
||||
}
|
||||
|
||||
/**
|
||||
* Loops over all attributes and calls
|
||||
* {@link DynamicMBean#getAttribute(java.lang.String)} method for each
|
||||
* attribute sequentially. Any exception thrown by those methods are ignored
|
||||
* and simply cause the attribute not being added to the result.
|
||||
*/
|
||||
public AttributeList getAttributes(String[] attrs) {
|
||||
final AttributeList result = new AttributeList();
|
||||
for (int i = 0; i < attrs.length; i++) {
|
||||
try {
|
||||
result.add(new Attribute(attrs[i], getAttribute(attrs[i])));
|
||||
} catch (AttributeNotFoundException e) {
|
||||
// ignore, as we cannot throw this exception
|
||||
} catch (MBeanException e) {
|
||||
// ignore, as we cannot throw this exception
|
||||
} catch (ReflectionException e) {
|
||||
// ignore, as we cannot throw this exception
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Loops over all attributes and calls
|
||||
* {@link DynamicMBean#setAttribute(Attribute)} for each attribute
|
||||
* sequentially. Any exception thrown by those methods are ignored and
|
||||
* simply cause the attribute not being added to the result.
|
||||
*/
|
||||
public AttributeList setAttributes(AttributeList attrs) {
|
||||
final AttributeList result = new AttributeList();
|
||||
for (int i = 0; i < attrs.size(); i++) {
|
||||
try {
|
||||
final Attribute next = (Attribute) attrs.get(i);
|
||||
setAttribute(next);
|
||||
result.add(next);
|
||||
} catch (AttributeNotFoundException e) {
|
||||
// ignore, as we cannot throw this exception
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
// -------
|
||||
// Implementation of the MBeanRegistration interface
|
||||
// -------
|
||||
|
||||
/**
|
||||
* <p>Returns <code>new ObjectName(this.getObjectName())</code> to guarantee
|
||||
* a reliable and reproducable object name.</p>
|
||||
*
|
||||
* <p><b>Note:</b> Make sure any subclass does a super call to this method,
|
||||
* otherwise the implementation might be broken.</p>
|
||||
*
|
||||
* @see MBeanRegistration#preRegister(MBeanServer, ObjectName)
|
||||
*/
|
||||
public ObjectName preRegister(MBeanServer server, ObjectName name)
|
||||
throws Exception {
|
||||
this.mbeanServer = server;
|
||||
return new ObjectName(getObjectName());
|
||||
}
|
||||
|
||||
/**
|
||||
* Empty implementation, allowing subclasses to ignore the interface.
|
||||
*
|
||||
* <p><b>Note:</b> Make sure any subclass does a super call to this method,
|
||||
* otherwise the implementation might be broken.</p>
|
||||
*
|
||||
* @see MBeanRegistration#postRegister(Boolean)
|
||||
*/
|
||||
public void postRegister(Boolean success) {
|
||||
}
|
||||
|
||||
/**
|
||||
* Empty implementation, allowing subclasses to ignore the interface.
|
||||
*
|
||||
* <p><b>Note:</b> Make sure any subclass does a super call to this method,
|
||||
* otherwise the implementation might be broken.</p>
|
||||
*
|
||||
* @see MBeanRegistration#preDeregister()
|
||||
*/
|
||||
public void preDeregister() throws Exception {
|
||||
}
|
||||
|
||||
/**
|
||||
* Empty implementation, allowing subclasses to ignore the interface.
|
||||
*
|
||||
* <p><b>Note:</b> Make sure any subclass does a super call to this method,
|
||||
* otherwise the implementation might be broken.</p>
|
||||
*
|
||||
* @see MBeanRegistration#postDeregister()
|
||||
*/
|
||||
public void postDeregister() {
|
||||
this.mbeanServer = null;
|
||||
}
|
||||
|
||||
public void setAttribute(Attribute attr) throws AttributeNotFoundException {
|
||||
throw new AttributeNotFoundException(attr.getName());
|
||||
}
|
||||
|
||||
public Object invoke(String name, Object[] params, String[] signature)
|
||||
throws ReflectionException {
|
||||
|
||||
throw new ReflectionException(new NoSuchMethodException(name),
|
||||
name);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,263 +1,263 @@
|
||||
/*
|
||||
* Copyright (C) [2004, 2005, 2006, 2007], 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 javax.management.Attribute;
|
||||
import javax.management.AttributeNotFoundException;
|
||||
import javax.management.MBeanAttributeInfo;
|
||||
import javax.management.MBeanConstructorInfo;
|
||||
import javax.management.MBeanInfo;
|
||||
import javax.management.MBeanParameterInfo;
|
||||
import javax.management.ReflectionException;
|
||||
|
||||
import org.hyperic.sigar.Sigar;
|
||||
import org.hyperic.sigar.SigarException;
|
||||
import org.hyperic.sigar.SigarNotImplementedException;
|
||||
|
||||
/**
|
||||
* Sigar JMX MBean implementation for the <code>LoadAverage</code> information
|
||||
* package. Provides an OpenMBean conform implementation.
|
||||
*
|
||||
* @author Bjoern Martin
|
||||
* @since 1.5
|
||||
*/
|
||||
public class SigarLoadAverage extends AbstractMBean {
|
||||
|
||||
private static final String MBEAN_TYPE = "LoadAverage";
|
||||
|
||||
/**
|
||||
* Returned if {@link Sigar#getLoadAverage()}} is detected to be not
|
||||
* implemented on the platform.
|
||||
*
|
||||
* @see #notImplemented
|
||||
*/
|
||||
private static final double NOT_IMPLEMENTED_LOAD_VALUE = -1.0d;
|
||||
|
||||
private static final MBeanInfo MBEAN_INFO;
|
||||
|
||||
private static final MBeanAttributeInfo MBEAN_ATTR_LAST1MIN;
|
||||
|
||||
private static final MBeanAttributeInfo MBEAN_ATTR_LAST5MIN;
|
||||
|
||||
private static final MBeanAttributeInfo MBEAN_ATTR_LAST15MIN;
|
||||
|
||||
private static final MBeanConstructorInfo MBEAN_CONSTR_SIGAR;
|
||||
|
||||
private static MBeanParameterInfo MBEAN_PARAM_SIGAR;
|
||||
|
||||
static {
|
||||
MBEAN_ATTR_LAST1MIN = new MBeanAttributeInfo(
|
||||
"LastMinute",
|
||||
"double",
|
||||
"The load average in the last minute, as a fraction of 1, or "
|
||||
+ "-1.0 if the load cannot be determined on this platform",
|
||||
true, false, false);
|
||||
MBEAN_ATTR_LAST5MIN = new MBeanAttributeInfo(
|
||||
"LastFiveMinutes",
|
||||
"double",
|
||||
"The load average over the last five minutes, as a fraction "
|
||||
+ "of 1, or -1.0 if the load cannot be determined on this platform",
|
||||
true, false, false);
|
||||
MBEAN_ATTR_LAST15MIN = new MBeanAttributeInfo(
|
||||
"Last15Minutes",
|
||||
"double",
|
||||
"The load average over the last 15 minutes, as a fraction of "
|
||||
+ "1, or -1.0 if the load cannot be determined on this platform",
|
||||
true, false, false);
|
||||
|
||||
MBEAN_PARAM_SIGAR = new MBeanParameterInfo("sigar", Sigar.class
|
||||
.getName(), "The Sigar instance to use to fetch data from");
|
||||
|
||||
MBEAN_CONSTR_SIGAR = new MBeanConstructorInfo(
|
||||
SigarLoadAverage.class.getName(),
|
||||
"Creates a new instance, using the Sigar instance specified "
|
||||
+ "to fetch the data. Fails if the CPU index is out of range.",
|
||||
new MBeanParameterInfo[] { MBEAN_PARAM_SIGAR });
|
||||
MBEAN_INFO = new MBeanInfo(
|
||||
SigarLoadAverage.class.getName(),
|
||||
"Sigar load average MBean. Provides load averages of the "
|
||||
+ "system over the last one, five and 15 minutes. Due to the "
|
||||
+ "long term character of that information, the fetch is done "
|
||||
+ "using a Sigar proxy cache with a timeout of 30 seconds.",
|
||||
new MBeanAttributeInfo[] { MBEAN_ATTR_LAST1MIN,
|
||||
MBEAN_ATTR_LAST5MIN, MBEAN_ATTR_LAST15MIN },
|
||||
new MBeanConstructorInfo[] { MBEAN_CONSTR_SIGAR }, null, null);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Object name this instance will give itself when being registered to an
|
||||
* MBeanServer.
|
||||
*/
|
||||
private final String objectName;
|
||||
|
||||
/**
|
||||
* <p>Set <code>true</code> when the load average fetch failed with a
|
||||
* <code>SigarException</code> that indicates the method is not implemented.
|
||||
* Any subsequent call to this instance will then be answered with
|
||||
* {@link #NOT_IMPLEMENTED_LOAD_VALUE}.
|
||||
* </p>
|
||||
*
|
||||
* <p><b>FIXME</b> : This is a workaround and should be replaced by something
|
||||
* more stable, as the code setting this member <code>true</code> relies on
|
||||
* a substring being present within the exception. A proposal was made at
|
||||
* <a href="http://jira.hyperic.com/browse/SIGAR-52">issue SIGAR-52</a>.
|
||||
* </p>
|
||||
*/
|
||||
private boolean notImplemented;
|
||||
|
||||
/**
|
||||
* Creates a new instance, using a new Sigar instance to fetch the data.
|
||||
*
|
||||
* @throws IllegalArgumentException
|
||||
* If an unexpected Sigar error occurs.
|
||||
*/
|
||||
public SigarLoadAverage() throws IllegalArgumentException {
|
||||
this(new Sigar());
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new instance, using the Sigar instance specified to fetch the
|
||||
* data.
|
||||
*
|
||||
* @param sigar
|
||||
* The Sigar instance to use to fetch data from
|
||||
*
|
||||
* @throws IllegalArgumentException
|
||||
* If an unexpected Sigar error occurs
|
||||
*/
|
||||
public SigarLoadAverage(Sigar sigar) throws IllegalArgumentException {
|
||||
super(sigar, CACHED_30SEC);
|
||||
|
||||
// all fine
|
||||
this.objectName = MBEAN_DOMAIN + ":" + MBEAN_ATTR_TYPE
|
||||
+ "=" + MBEAN_TYPE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Object name this instance will give itself when being registered to an
|
||||
* MBeanServer.
|
||||
*/
|
||||
public String getObjectName() {
|
||||
return this.objectName;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return The load average in the last minute, as a fraction of 1, or
|
||||
* <code>-1.0d</code> if the load cannot be determined on this platform
|
||||
*/
|
||||
public double getLastMinute() {
|
||||
try {
|
||||
return sigarImpl.getLoadAverage()[0];
|
||||
|
||||
} catch (SigarNotImplementedException e) {
|
||||
return NOT_IMPLEMENTED_LOAD_VALUE;
|
||||
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError(MBEAN_TYPE, e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return The load average over the last five minutes, as a fraction of 1,
|
||||
* or <code>-1.0d</code> if the load cannot be determined on this
|
||||
* platform
|
||||
*/
|
||||
public double getLastFiveMinutes() {
|
||||
try {
|
||||
return sigarImpl.getLoadAverage()[1];
|
||||
|
||||
} catch (SigarNotImplementedException e) {
|
||||
return NOT_IMPLEMENTED_LOAD_VALUE;
|
||||
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError(MBEAN_TYPE, e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return The load average over the last 15 minutes, as a fraction of 1, or
|
||||
* <code>-1.0d</code> if the load cannot be determined on this platform
|
||||
*/
|
||||
public double getLast15Minutes() {
|
||||
try {
|
||||
return sigarImpl.getLoadAverage()[2];
|
||||
|
||||
} catch (SigarNotImplementedException e) {
|
||||
return NOT_IMPLEMENTED_LOAD_VALUE;
|
||||
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError(MBEAN_TYPE, e);
|
||||
}
|
||||
}
|
||||
|
||||
// -------
|
||||
// Implementation of the DynamicMBean interface
|
||||
// -------
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see DynamicMBean#getAttribute(String)
|
||||
*/
|
||||
public Object getAttribute(String attr) throws AttributeNotFoundException {
|
||||
|
||||
if (MBEAN_ATTR_LAST1MIN.getName().equals(attr)) {
|
||||
return new Double(getLastMinute());
|
||||
|
||||
} else if (MBEAN_ATTR_LAST5MIN.getName().equals(attr)) {
|
||||
return new Double(getLastFiveMinutes());
|
||||
|
||||
} else if (MBEAN_ATTR_LAST15MIN.getName().equals(attr)) {
|
||||
return new Double(getLast15Minutes());
|
||||
|
||||
} else {
|
||||
throw new AttributeNotFoundException(attr);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see DynamicMBean#setAttribute(Attribute)
|
||||
*/
|
||||
public void setAttribute(Attribute attr) throws AttributeNotFoundException {
|
||||
throw new AttributeNotFoundException(attr.getName());
|
||||
}
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see DynamicMBean#invoke(String, Object[], String[])
|
||||
*/
|
||||
public Object invoke(String actionName, Object[] params, String[] signature)
|
||||
throws ReflectionException {
|
||||
throw new ReflectionException(new NoSuchMethodException(actionName),
|
||||
actionName);
|
||||
}
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see DynamicMBean#getMBeanInfo()
|
||||
*/
|
||||
public MBeanInfo getMBeanInfo() {
|
||||
return MBEAN_INFO;
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Copyright (C) [2004, 2005, 2006, 2007], 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 javax.management.Attribute;
|
||||
import javax.management.AttributeNotFoundException;
|
||||
import javax.management.MBeanAttributeInfo;
|
||||
import javax.management.MBeanConstructorInfo;
|
||||
import javax.management.MBeanInfo;
|
||||
import javax.management.MBeanParameterInfo;
|
||||
import javax.management.ReflectionException;
|
||||
|
||||
import org.hyperic.sigar.Sigar;
|
||||
import org.hyperic.sigar.SigarException;
|
||||
import org.hyperic.sigar.SigarNotImplementedException;
|
||||
|
||||
/**
|
||||
* Sigar JMX MBean implementation for the <code>LoadAverage</code> information
|
||||
* package. Provides an OpenMBean conform implementation.
|
||||
*
|
||||
* @author Bjoern Martin
|
||||
* @since 1.5
|
||||
*/
|
||||
public class SigarLoadAverage extends AbstractMBean {
|
||||
|
||||
private static final String MBEAN_TYPE = "LoadAverage";
|
||||
|
||||
/**
|
||||
* Returned if {@link Sigar#getLoadAverage()}} is detected to be not
|
||||
* implemented on the platform.
|
||||
*
|
||||
* @see #notImplemented
|
||||
*/
|
||||
private static final double NOT_IMPLEMENTED_LOAD_VALUE = -1.0d;
|
||||
|
||||
private static final MBeanInfo MBEAN_INFO;
|
||||
|
||||
private static final MBeanAttributeInfo MBEAN_ATTR_LAST1MIN;
|
||||
|
||||
private static final MBeanAttributeInfo MBEAN_ATTR_LAST5MIN;
|
||||
|
||||
private static final MBeanAttributeInfo MBEAN_ATTR_LAST15MIN;
|
||||
|
||||
private static final MBeanConstructorInfo MBEAN_CONSTR_SIGAR;
|
||||
|
||||
private static MBeanParameterInfo MBEAN_PARAM_SIGAR;
|
||||
|
||||
static {
|
||||
MBEAN_ATTR_LAST1MIN = new MBeanAttributeInfo(
|
||||
"LastMinute",
|
||||
"double",
|
||||
"The load average in the last minute, as a fraction of 1, or "
|
||||
+ "-1.0 if the load cannot be determined on this platform",
|
||||
true, false, false);
|
||||
MBEAN_ATTR_LAST5MIN = new MBeanAttributeInfo(
|
||||
"LastFiveMinutes",
|
||||
"double",
|
||||
"The load average over the last five minutes, as a fraction "
|
||||
+ "of 1, or -1.0 if the load cannot be determined on this platform",
|
||||
true, false, false);
|
||||
MBEAN_ATTR_LAST15MIN = new MBeanAttributeInfo(
|
||||
"Last15Minutes",
|
||||
"double",
|
||||
"The load average over the last 15 minutes, as a fraction of "
|
||||
+ "1, or -1.0 if the load cannot be determined on this platform",
|
||||
true, false, false);
|
||||
|
||||
MBEAN_PARAM_SIGAR = new MBeanParameterInfo("sigar", Sigar.class
|
||||
.getName(), "The Sigar instance to use to fetch data from");
|
||||
|
||||
MBEAN_CONSTR_SIGAR = new MBeanConstructorInfo(
|
||||
SigarLoadAverage.class.getName(),
|
||||
"Creates a new instance, using the Sigar instance specified "
|
||||
+ "to fetch the data. Fails if the CPU index is out of range.",
|
||||
new MBeanParameterInfo[] { MBEAN_PARAM_SIGAR });
|
||||
MBEAN_INFO = new MBeanInfo(
|
||||
SigarLoadAverage.class.getName(),
|
||||
"Sigar load average MBean. Provides load averages of the "
|
||||
+ "system over the last one, five and 15 minutes. Due to the "
|
||||
+ "long term character of that information, the fetch is done "
|
||||
+ "using a Sigar proxy cache with a timeout of 30 seconds.",
|
||||
new MBeanAttributeInfo[] { MBEAN_ATTR_LAST1MIN,
|
||||
MBEAN_ATTR_LAST5MIN, MBEAN_ATTR_LAST15MIN },
|
||||
new MBeanConstructorInfo[] { MBEAN_CONSTR_SIGAR }, null, null);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Object name this instance will give itself when being registered to an
|
||||
* MBeanServer.
|
||||
*/
|
||||
private final String objectName;
|
||||
|
||||
/**
|
||||
* <p>Set <code>true</code> when the load average fetch failed with a
|
||||
* <code>SigarException</code> that indicates the method is not implemented.
|
||||
* Any subsequent call to this instance will then be answered with
|
||||
* {@link #NOT_IMPLEMENTED_LOAD_VALUE}.
|
||||
* </p>
|
||||
*
|
||||
* <p><b>FIXME</b> : This is a workaround and should be replaced by something
|
||||
* more stable, as the code setting this member <code>true</code> relies on
|
||||
* a substring being present within the exception. A proposal was made at
|
||||
* <a href="http://jira.hyperic.com/browse/SIGAR-52">issue SIGAR-52</a>.
|
||||
* </p>
|
||||
*/
|
||||
private boolean notImplemented;
|
||||
|
||||
/**
|
||||
* Creates a new instance, using a new Sigar instance to fetch the data.
|
||||
*
|
||||
* @throws IllegalArgumentException
|
||||
* If an unexpected Sigar error occurs.
|
||||
*/
|
||||
public SigarLoadAverage() throws IllegalArgumentException {
|
||||
this(new Sigar());
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new instance, using the Sigar instance specified to fetch the
|
||||
* data.
|
||||
*
|
||||
* @param sigar
|
||||
* The Sigar instance to use to fetch data from
|
||||
*
|
||||
* @throws IllegalArgumentException
|
||||
* If an unexpected Sigar error occurs
|
||||
*/
|
||||
public SigarLoadAverage(Sigar sigar) throws IllegalArgumentException {
|
||||
super(sigar, CACHED_30SEC);
|
||||
|
||||
// all fine
|
||||
this.objectName = MBEAN_DOMAIN + ":" + MBEAN_ATTR_TYPE
|
||||
+ "=" + MBEAN_TYPE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Object name this instance will give itself when being registered to an
|
||||
* MBeanServer.
|
||||
*/
|
||||
public String getObjectName() {
|
||||
return this.objectName;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return The load average in the last minute, as a fraction of 1, or
|
||||
* <code>-1.0d</code> if the load cannot be determined on this platform
|
||||
*/
|
||||
public double getLastMinute() {
|
||||
try {
|
||||
return sigarImpl.getLoadAverage()[0];
|
||||
|
||||
} catch (SigarNotImplementedException e) {
|
||||
return NOT_IMPLEMENTED_LOAD_VALUE;
|
||||
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError(MBEAN_TYPE, e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return The load average over the last five minutes, as a fraction of 1,
|
||||
* or <code>-1.0d</code> if the load cannot be determined on this
|
||||
* platform
|
||||
*/
|
||||
public double getLastFiveMinutes() {
|
||||
try {
|
||||
return sigarImpl.getLoadAverage()[1];
|
||||
|
||||
} catch (SigarNotImplementedException e) {
|
||||
return NOT_IMPLEMENTED_LOAD_VALUE;
|
||||
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError(MBEAN_TYPE, e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return The load average over the last 15 minutes, as a fraction of 1, or
|
||||
* <code>-1.0d</code> if the load cannot be determined on this platform
|
||||
*/
|
||||
public double getLast15Minutes() {
|
||||
try {
|
||||
return sigarImpl.getLoadAverage()[2];
|
||||
|
||||
} catch (SigarNotImplementedException e) {
|
||||
return NOT_IMPLEMENTED_LOAD_VALUE;
|
||||
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError(MBEAN_TYPE, e);
|
||||
}
|
||||
}
|
||||
|
||||
// -------
|
||||
// Implementation of the DynamicMBean interface
|
||||
// -------
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see DynamicMBean#getAttribute(String)
|
||||
*/
|
||||
public Object getAttribute(String attr) throws AttributeNotFoundException {
|
||||
|
||||
if (MBEAN_ATTR_LAST1MIN.getName().equals(attr)) {
|
||||
return new Double(getLastMinute());
|
||||
|
||||
} else if (MBEAN_ATTR_LAST5MIN.getName().equals(attr)) {
|
||||
return new Double(getLastFiveMinutes());
|
||||
|
||||
} else if (MBEAN_ATTR_LAST15MIN.getName().equals(attr)) {
|
||||
return new Double(getLast15Minutes());
|
||||
|
||||
} else {
|
||||
throw new AttributeNotFoundException(attr);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see DynamicMBean#setAttribute(Attribute)
|
||||
*/
|
||||
public void setAttribute(Attribute attr) throws AttributeNotFoundException {
|
||||
throw new AttributeNotFoundException(attr.getName());
|
||||
}
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see DynamicMBean#invoke(String, Object[], String[])
|
||||
*/
|
||||
public Object invoke(String actionName, Object[] params, String[] signature)
|
||||
throws ReflectionException {
|
||||
throw new ReflectionException(new NoSuchMethodException(actionName),
|
||||
actionName);
|
||||
}
|
||||
|
||||
/*
|
||||
* (non-Javadoc)
|
||||
*
|
||||
* @see DynamicMBean#getMBeanInfo()
|
||||
*/
|
||||
public MBeanInfo getMBeanInfo() {
|
||||
return MBEAN_INFO;
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,334 +1,334 @@
|
||||
/*
|
||||
* Copyright (C) [2004, 2005, 2006, 2007], 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 java.util.ArrayList;
|
||||
import java.util.Iterator;
|
||||
import java.util.LinkedHashMap;
|
||||
import java.util.Map;
|
||||
|
||||
import javax.management.AttributeNotFoundException;
|
||||
import javax.management.MBeanAttributeInfo;
|
||||
import javax.management.MBeanConstructorInfo;
|
||||
import javax.management.MBeanInfo;
|
||||
import javax.management.MBeanParameterInfo;
|
||||
import javax.management.MBeanServer;
|
||||
import javax.management.ObjectInstance;
|
||||
import javax.management.ObjectName;
|
||||
|
||||
import org.hyperic.sigar.CpuInfo;
|
||||
import org.hyperic.sigar.FileSystem;
|
||||
import org.hyperic.sigar.NetInterfaceConfig;
|
||||
import org.hyperic.sigar.Sigar;
|
||||
import org.hyperic.sigar.SigarException;
|
||||
import org.hyperic.sigar.SigarLoader;
|
||||
|
||||
/**
|
||||
* <p>Registry of all Sigar MBeans. Can be used as a convenient way to invoke
|
||||
* Sigar MBeans at a central point. This brings a bunch of advantages with
|
||||
* it:</p>
|
||||
*
|
||||
* <ul>
|
||||
* <li>This class can be instantiated and registered to the MBean server by
|
||||
* simply calling {@link MBeanServer#createMBean(String, ObjectName)},
|
||||
* resulting in the automatic creation of all known default Sigar MBeans such
|
||||
* as CPU and memory monitoring beans.</li>
|
||||
* <li>Any Sigar MBean spawned by an instance of this class will use the same
|
||||
* {@link org.hyperic.sigar.Sigar} instance, saving resources in the
|
||||
* process.</li>
|
||||
* <li>When this instance is deregistered from the MBean server, it will
|
||||
* automatically deregister all instances it created, cleaning up behind
|
||||
* itself.</li>
|
||||
* </ul>
|
||||
*
|
||||
* <p>So using this class to manage the Sigar MBeans requires one line of code
|
||||
* for creation, registration and MBean spawning, and one line of code to shut
|
||||
* it all down again.</p>
|
||||
*
|
||||
* @author Bjoern Martin
|
||||
* @since 1.5
|
||||
*/
|
||||
public class SigarRegistry extends AbstractMBean {
|
||||
|
||||
private static final String MBEAN_TYPE = "SigarRegistry";
|
||||
|
||||
private static final Map VERSION_ATTRS = new LinkedHashMap();
|
||||
|
||||
private static final MBeanInfo MBEAN_INFO;
|
||||
|
||||
private static final MBeanConstructorInfo MBEAN_CONSTR_DEFAULT;
|
||||
|
||||
// private static final MBeanOperationInfo MBEAN_OPER_LISTPROCESSES;
|
||||
|
||||
static {
|
||||
MBEAN_CONSTR_DEFAULT = new MBeanConstructorInfo(
|
||||
SigarRegistry.class.getName(),
|
||||
"Creates a new instance of this class. Will create the Sigar "
|
||||
+ "instance this class uses when constructing other MBeans",
|
||||
new MBeanParameterInfo[0]);
|
||||
// MBEAN_OPER_LISTPROCESSES = new MBeanOperationInfo("listProcesses",
|
||||
// "Executes a query returning the process IDs of all processes " +
|
||||
// "found on the system.",
|
||||
// null /* new MBeanParameterInfo[0] */,
|
||||
// String.class.getName(), MBeanOperationInfo.INFO);
|
||||
|
||||
MBEAN_INFO = new MBeanInfo(
|
||||
SigarRegistry.class.getName(),
|
||||
"Sigar MBean registry. Provides a central point for creation "
|
||||
+ "and destruction of Sigar MBeans. Any Sigar MBean created via "
|
||||
+ "this instance will automatically be cleaned up when this "
|
||||
+ "instance is deregistered from the MBean server.",
|
||||
getAttributeInfo(),
|
||||
new MBeanConstructorInfo[] { MBEAN_CONSTR_DEFAULT },
|
||||
null /*new MBeanOperationInfo[0] */,
|
||||
null /*new MBeanNotificationInfo[0]*/);
|
||||
}
|
||||
|
||||
private final String objectName;
|
||||
|
||||
private final ArrayList managedBeans;
|
||||
|
||||
private static MBeanAttributeInfo[] getAttributeInfo() {
|
||||
VERSION_ATTRS.put("JarVersion", Sigar.VERSION_STRING);
|
||||
VERSION_ATTRS.put("NativeVersion", Sigar.NATIVE_VERSION_STRING);
|
||||
VERSION_ATTRS.put("JarBuildDate", Sigar.BUILD_DATE);
|
||||
VERSION_ATTRS.put("NativeBuildDate", Sigar.NATIVE_BUILD_DATE);
|
||||
VERSION_ATTRS.put("JarSourceRevision", Sigar.SCM_REVISION);
|
||||
VERSION_ATTRS.put("NativeSourceRevision", Sigar.NATIVE_SCM_REVISION);
|
||||
VERSION_ATTRS.put("NativeLibraryName", SigarLoader.getNativeLibraryName());
|
||||
|
||||
MBeanAttributeInfo[] attrs = new MBeanAttributeInfo[VERSION_ATTRS.size()];
|
||||
int i=0;
|
||||
for (Iterator it=VERSION_ATTRS.entrySet().iterator();
|
||||
it.hasNext();)
|
||||
{
|
||||
Map.Entry entry = (Map.Entry)it.next();
|
||||
String name = (String)entry.getKey();
|
||||
attrs[i++] =
|
||||
new MBeanAttributeInfo(name,
|
||||
entry.getValue().getClass().getName(),
|
||||
name,
|
||||
true, // isReadable
|
||||
false, // isWritable
|
||||
false); // isIs
|
||||
}
|
||||
return attrs;
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new instance of this class. Will create the Sigar instance this
|
||||
* class uses when constructing other MBeans.
|
||||
*/
|
||||
public SigarRegistry() {
|
||||
super(new Sigar(), CACHELESS);
|
||||
this.objectName = MBEAN_DOMAIN + ":" + MBEAN_ATTR_TYPE
|
||||
+ "=" + MBEAN_TYPE;
|
||||
this.managedBeans = new ArrayList();
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see AbstractMBean#getObjectName()
|
||||
*/
|
||||
public String getObjectName() {
|
||||
return this.objectName;
|
||||
}
|
||||
|
||||
/* public String listProcesses() {
|
||||
try {
|
||||
final long start = System.currentTimeMillis();
|
||||
long[] ids = sigar.getProcList();
|
||||
StringBuffer procNames = new StringBuffer();
|
||||
for (int i = 0; i < ids.length; i++) {
|
||||
try {
|
||||
procNames.append(ids[i] + ":" + sigar.getProcExe(ids[i]).getName()).append('\n');
|
||||
} catch (SigarException e) {
|
||||
procNames.append(ids[i] + ":" + e.getMessage()).append('\n');
|
||||
}
|
||||
}
|
||||
|
||||
final long end = System.currentTimeMillis();
|
||||
procNames.append("-- Took " + (end-start) + "ms");
|
||||
return procNames.toString();
|
||||
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError("ProcList", e);
|
||||
}
|
||||
}
|
||||
*/
|
||||
/* (non-Javadoc)
|
||||
* @see javax.management.DynamicMBean#getAttribute(java.lang.String)
|
||||
*/
|
||||
public Object getAttribute(String attr) throws AttributeNotFoundException {
|
||||
Object obj = VERSION_ATTRS.get(attr);
|
||||
if (obj == null) {
|
||||
throw new AttributeNotFoundException(attr);
|
||||
}
|
||||
return obj;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see javax.management.DynamicMBean#getMBeanInfo()
|
||||
*/
|
||||
public MBeanInfo getMBeanInfo() {
|
||||
return MBEAN_INFO;
|
||||
}
|
||||
|
||||
private void registerMBean(AbstractMBean mbean) {
|
||||
try {
|
||||
ObjectName name =
|
||||
new ObjectName(mbean.getObjectName());
|
||||
if (mbeanServer.isRegistered(name)) {
|
||||
return;
|
||||
}
|
||||
ObjectInstance instance =
|
||||
this.mbeanServer.registerMBean(mbean, name);
|
||||
this.managedBeans.add(instance.getObjectName());
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
// -------
|
||||
// Implementation of the MBeanRegistration interface
|
||||
// -------
|
||||
|
||||
/**
|
||||
* Registers the default set of Sigar MBeans. Before doing so, a super call
|
||||
* is made to satisfy {@link AbstractMBean}.
|
||||
*
|
||||
* @see AbstractMBean#postRegister(Boolean)
|
||||
*/
|
||||
public void postRegister(Boolean success) {
|
||||
ReflectedMBean mbean;
|
||||
|
||||
super.postRegister(success);
|
||||
|
||||
if (!success.booleanValue())
|
||||
return;
|
||||
|
||||
//CPU beans
|
||||
CpuInfo[] info;
|
||||
try {
|
||||
info = sigar.getCpuInfoList();
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError("CpuInfoList", e);
|
||||
}
|
||||
|
||||
for (int i=0; i<info.length; i++) {
|
||||
String idx = String.valueOf(i);
|
||||
mbean =
|
||||
new ReflectedMBean(sigarImpl, "CpuCore", idx);
|
||||
mbean.setType("CpuList");
|
||||
registerMBean(mbean);
|
||||
mbean =
|
||||
new ReflectedMBean(sigarImpl, "CpuCoreUsage", idx);
|
||||
mbean.setType("CpuPercList");
|
||||
registerMBean(mbean);
|
||||
}
|
||||
|
||||
mbean = new ReflectedMBean(sigarImpl, "Cpu");
|
||||
mbean.putAttributes(info[0]);
|
||||
registerMBean(mbean);
|
||||
|
||||
mbean = new ReflectedMBean(sigarImpl, "CpuUsage");
|
||||
mbean.setType("CpuPerc");
|
||||
registerMBean(mbean);
|
||||
|
||||
//FileSystem beans
|
||||
try {
|
||||
FileSystem[] fslist = sigarImpl.getFileSystemList();
|
||||
for (int i=0; i<fslist.length; i++) {
|
||||
FileSystem fs = fslist[i];
|
||||
if (fs.getType() != FileSystem.TYPE_LOCAL_DISK) {
|
||||
continue;
|
||||
}
|
||||
String name = fs.getDirName();
|
||||
mbean =
|
||||
new ReflectedMBean(sigarImpl, "FileSystem", name);
|
||||
mbean.setType(mbean.getType() + "Usage");
|
||||
mbean.putAttributes(fs);
|
||||
registerMBean(mbean);
|
||||
}
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError("FileSystemList", e);
|
||||
}
|
||||
|
||||
//NetInterface beans
|
||||
try {
|
||||
String[] ifnames = sigarImpl.getNetInterfaceList();
|
||||
for (int i=0; i<ifnames.length; i++) {
|
||||
String name = ifnames[i];
|
||||
NetInterfaceConfig ifconfig =
|
||||
this.sigar.getNetInterfaceConfig(name);
|
||||
try {
|
||||
sigarImpl.getNetInterfaceStat(name);
|
||||
} catch (SigarException e) {
|
||||
continue;
|
||||
}
|
||||
mbean =
|
||||
new ReflectedMBean(sigarImpl, "NetInterface", name);
|
||||
mbean.setType(mbean.getType() + "Stat");
|
||||
mbean.putAttributes(ifconfig);
|
||||
registerMBean(mbean);
|
||||
}
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError("NetInterfaceList", e);
|
||||
}
|
||||
|
||||
//network info bean
|
||||
mbean = new ReflectedMBean(sigarImpl, "NetInfo");
|
||||
try {
|
||||
mbean.putAttribute("FQDN", sigarImpl.getFQDN());
|
||||
} catch (SigarException e) {
|
||||
}
|
||||
registerMBean(mbean);
|
||||
//physical memory bean
|
||||
registerMBean(new ReflectedMBean(sigarImpl, "Mem"));
|
||||
//swap memory bean
|
||||
registerMBean(new ReflectedMBean(sigarImpl, "Swap"));
|
||||
//load average bean
|
||||
registerMBean(new SigarLoadAverage(sigarImpl));
|
||||
//global process stats
|
||||
registerMBean(new ReflectedMBean(sigarImpl, "ProcStat"));
|
||||
}
|
||||
|
||||
/**
|
||||
* Deregisters all Sigar MBeans that were created and registered using this
|
||||
* instance. After doing so, a super call is made to satisfy {@link AbstractMBean}.
|
||||
* @throws Exception
|
||||
*
|
||||
* @see AbstractMBean#preDeregister()
|
||||
*/
|
||||
public void preDeregister() throws Exception {
|
||||
|
||||
// count backwards to remove ONs immediately
|
||||
for (int i = managedBeans.size() - 1; i >= 0; i--) {
|
||||
ObjectName next = (ObjectName) managedBeans.remove(i);
|
||||
if (mbeanServer.isRegistered(next)) {
|
||||
try {
|
||||
mbeanServer.unregisterMBean(next);
|
||||
} catch (Exception e) { // ignore
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// do the super call
|
||||
super.preDeregister();
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Copyright (C) [2004, 2005, 2006, 2007], 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 java.util.ArrayList;
|
||||
import java.util.Iterator;
|
||||
import java.util.LinkedHashMap;
|
||||
import java.util.Map;
|
||||
|
||||
import javax.management.AttributeNotFoundException;
|
||||
import javax.management.MBeanAttributeInfo;
|
||||
import javax.management.MBeanConstructorInfo;
|
||||
import javax.management.MBeanInfo;
|
||||
import javax.management.MBeanParameterInfo;
|
||||
import javax.management.MBeanServer;
|
||||
import javax.management.ObjectInstance;
|
||||
import javax.management.ObjectName;
|
||||
|
||||
import org.hyperic.sigar.CpuInfo;
|
||||
import org.hyperic.sigar.FileSystem;
|
||||
import org.hyperic.sigar.NetInterfaceConfig;
|
||||
import org.hyperic.sigar.Sigar;
|
||||
import org.hyperic.sigar.SigarException;
|
||||
import org.hyperic.sigar.SigarLoader;
|
||||
|
||||
/**
|
||||
* <p>Registry of all Sigar MBeans. Can be used as a convenient way to invoke
|
||||
* Sigar MBeans at a central point. This brings a bunch of advantages with
|
||||
* it:</p>
|
||||
*
|
||||
* <ul>
|
||||
* <li>This class can be instantiated and registered to the MBean server by
|
||||
* simply calling {@link MBeanServer#createMBean(String, ObjectName)},
|
||||
* resulting in the automatic creation of all known default Sigar MBeans such
|
||||
* as CPU and memory monitoring beans.</li>
|
||||
* <li>Any Sigar MBean spawned by an instance of this class will use the same
|
||||
* {@link org.hyperic.sigar.Sigar} instance, saving resources in the
|
||||
* process.</li>
|
||||
* <li>When this instance is deregistered from the MBean server, it will
|
||||
* automatically deregister all instances it created, cleaning up behind
|
||||
* itself.</li>
|
||||
* </ul>
|
||||
*
|
||||
* <p>So using this class to manage the Sigar MBeans requires one line of code
|
||||
* for creation, registration and MBean spawning, and one line of code to shut
|
||||
* it all down again.</p>
|
||||
*
|
||||
* @author Bjoern Martin
|
||||
* @since 1.5
|
||||
*/
|
||||
public class SigarRegistry extends AbstractMBean {
|
||||
|
||||
private static final String MBEAN_TYPE = "SigarRegistry";
|
||||
|
||||
private static final Map VERSION_ATTRS = new LinkedHashMap();
|
||||
|
||||
private static final MBeanInfo MBEAN_INFO;
|
||||
|
||||
private static final MBeanConstructorInfo MBEAN_CONSTR_DEFAULT;
|
||||
|
||||
// private static final MBeanOperationInfo MBEAN_OPER_LISTPROCESSES;
|
||||
|
||||
static {
|
||||
MBEAN_CONSTR_DEFAULT = new MBeanConstructorInfo(
|
||||
SigarRegistry.class.getName(),
|
||||
"Creates a new instance of this class. Will create the Sigar "
|
||||
+ "instance this class uses when constructing other MBeans",
|
||||
new MBeanParameterInfo[0]);
|
||||
// MBEAN_OPER_LISTPROCESSES = new MBeanOperationInfo("listProcesses",
|
||||
// "Executes a query returning the process IDs of all processes " +
|
||||
// "found on the system.",
|
||||
// null /* new MBeanParameterInfo[0] */,
|
||||
// String.class.getName(), MBeanOperationInfo.INFO);
|
||||
|
||||
MBEAN_INFO = new MBeanInfo(
|
||||
SigarRegistry.class.getName(),
|
||||
"Sigar MBean registry. Provides a central point for creation "
|
||||
+ "and destruction of Sigar MBeans. Any Sigar MBean created via "
|
||||
+ "this instance will automatically be cleaned up when this "
|
||||
+ "instance is deregistered from the MBean server.",
|
||||
getAttributeInfo(),
|
||||
new MBeanConstructorInfo[] { MBEAN_CONSTR_DEFAULT },
|
||||
null /*new MBeanOperationInfo[0] */,
|
||||
null /*new MBeanNotificationInfo[0]*/);
|
||||
}
|
||||
|
||||
private final String objectName;
|
||||
|
||||
private final ArrayList managedBeans;
|
||||
|
||||
private static MBeanAttributeInfo[] getAttributeInfo() {
|
||||
VERSION_ATTRS.put("JarVersion", Sigar.VERSION_STRING);
|
||||
VERSION_ATTRS.put("NativeVersion", Sigar.NATIVE_VERSION_STRING);
|
||||
VERSION_ATTRS.put("JarBuildDate", Sigar.BUILD_DATE);
|
||||
VERSION_ATTRS.put("NativeBuildDate", Sigar.NATIVE_BUILD_DATE);
|
||||
VERSION_ATTRS.put("JarSourceRevision", Sigar.SCM_REVISION);
|
||||
VERSION_ATTRS.put("NativeSourceRevision", Sigar.NATIVE_SCM_REVISION);
|
||||
VERSION_ATTRS.put("NativeLibraryName", SigarLoader.getNativeLibraryName());
|
||||
|
||||
MBeanAttributeInfo[] attrs = new MBeanAttributeInfo[VERSION_ATTRS.size()];
|
||||
int i=0;
|
||||
for (Iterator it=VERSION_ATTRS.entrySet().iterator();
|
||||
it.hasNext();)
|
||||
{
|
||||
Map.Entry entry = (Map.Entry)it.next();
|
||||
String name = (String)entry.getKey();
|
||||
attrs[i++] =
|
||||
new MBeanAttributeInfo(name,
|
||||
entry.getValue().getClass().getName(),
|
||||
name,
|
||||
true, // isReadable
|
||||
false, // isWritable
|
||||
false); // isIs
|
||||
}
|
||||
return attrs;
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new instance of this class. Will create the Sigar instance this
|
||||
* class uses when constructing other MBeans.
|
||||
*/
|
||||
public SigarRegistry() {
|
||||
super(new Sigar(), CACHELESS);
|
||||
this.objectName = MBEAN_DOMAIN + ":" + MBEAN_ATTR_TYPE
|
||||
+ "=" + MBEAN_TYPE;
|
||||
this.managedBeans = new ArrayList();
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see AbstractMBean#getObjectName()
|
||||
*/
|
||||
public String getObjectName() {
|
||||
return this.objectName;
|
||||
}
|
||||
|
||||
/* public String listProcesses() {
|
||||
try {
|
||||
final long start = System.currentTimeMillis();
|
||||
long[] ids = sigar.getProcList();
|
||||
StringBuffer procNames = new StringBuffer();
|
||||
for (int i = 0; i < ids.length; i++) {
|
||||
try {
|
||||
procNames.append(ids[i] + ":" + sigar.getProcExe(ids[i]).getName()).append('\n');
|
||||
} catch (SigarException e) {
|
||||
procNames.append(ids[i] + ":" + e.getMessage()).append('\n');
|
||||
}
|
||||
}
|
||||
|
||||
final long end = System.currentTimeMillis();
|
||||
procNames.append("-- Took " + (end-start) + "ms");
|
||||
return procNames.toString();
|
||||
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError("ProcList", e);
|
||||
}
|
||||
}
|
||||
*/
|
||||
/* (non-Javadoc)
|
||||
* @see javax.management.DynamicMBean#getAttribute(java.lang.String)
|
||||
*/
|
||||
public Object getAttribute(String attr) throws AttributeNotFoundException {
|
||||
Object obj = VERSION_ATTRS.get(attr);
|
||||
if (obj == null) {
|
||||
throw new AttributeNotFoundException(attr);
|
||||
}
|
||||
return obj;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see javax.management.DynamicMBean#getMBeanInfo()
|
||||
*/
|
||||
public MBeanInfo getMBeanInfo() {
|
||||
return MBEAN_INFO;
|
||||
}
|
||||
|
||||
private void registerMBean(AbstractMBean mbean) {
|
||||
try {
|
||||
ObjectName name =
|
||||
new ObjectName(mbean.getObjectName());
|
||||
if (mbeanServer.isRegistered(name)) {
|
||||
return;
|
||||
}
|
||||
ObjectInstance instance =
|
||||
this.mbeanServer.registerMBean(mbean, name);
|
||||
this.managedBeans.add(instance.getObjectName());
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
// -------
|
||||
// Implementation of the MBeanRegistration interface
|
||||
// -------
|
||||
|
||||
/**
|
||||
* Registers the default set of Sigar MBeans. Before doing so, a super call
|
||||
* is made to satisfy {@link AbstractMBean}.
|
||||
*
|
||||
* @see AbstractMBean#postRegister(Boolean)
|
||||
*/
|
||||
public void postRegister(Boolean success) {
|
||||
ReflectedMBean mbean;
|
||||
|
||||
super.postRegister(success);
|
||||
|
||||
if (!success.booleanValue())
|
||||
return;
|
||||
|
||||
//CPU beans
|
||||
CpuInfo[] info;
|
||||
try {
|
||||
info = sigar.getCpuInfoList();
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError("CpuInfoList", e);
|
||||
}
|
||||
|
||||
for (int i=0; i<info.length; i++) {
|
||||
String idx = String.valueOf(i);
|
||||
mbean =
|
||||
new ReflectedMBean(sigarImpl, "CpuCore", idx);
|
||||
mbean.setType("CpuList");
|
||||
registerMBean(mbean);
|
||||
mbean =
|
||||
new ReflectedMBean(sigarImpl, "CpuCoreUsage", idx);
|
||||
mbean.setType("CpuPercList");
|
||||
registerMBean(mbean);
|
||||
}
|
||||
|
||||
mbean = new ReflectedMBean(sigarImpl, "Cpu");
|
||||
mbean.putAttributes(info[0]);
|
||||
registerMBean(mbean);
|
||||
|
||||
mbean = new ReflectedMBean(sigarImpl, "CpuUsage");
|
||||
mbean.setType("CpuPerc");
|
||||
registerMBean(mbean);
|
||||
|
||||
//FileSystem beans
|
||||
try {
|
||||
FileSystem[] fslist = sigarImpl.getFileSystemList();
|
||||
for (int i=0; i<fslist.length; i++) {
|
||||
FileSystem fs = fslist[i];
|
||||
if (fs.getType() != FileSystem.TYPE_LOCAL_DISK) {
|
||||
continue;
|
||||
}
|
||||
String name = fs.getDirName();
|
||||
mbean =
|
||||
new ReflectedMBean(sigarImpl, "FileSystem", name);
|
||||
mbean.setType(mbean.getType() + "Usage");
|
||||
mbean.putAttributes(fs);
|
||||
registerMBean(mbean);
|
||||
}
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError("FileSystemList", e);
|
||||
}
|
||||
|
||||
//NetInterface beans
|
||||
try {
|
||||
String[] ifnames = sigarImpl.getNetInterfaceList();
|
||||
for (int i=0; i<ifnames.length; i++) {
|
||||
String name = ifnames[i];
|
||||
NetInterfaceConfig ifconfig =
|
||||
this.sigar.getNetInterfaceConfig(name);
|
||||
try {
|
||||
sigarImpl.getNetInterfaceStat(name);
|
||||
} catch (SigarException e) {
|
||||
continue;
|
||||
}
|
||||
mbean =
|
||||
new ReflectedMBean(sigarImpl, "NetInterface", name);
|
||||
mbean.setType(mbean.getType() + "Stat");
|
||||
mbean.putAttributes(ifconfig);
|
||||
registerMBean(mbean);
|
||||
}
|
||||
} catch (SigarException e) {
|
||||
throw unexpectedError("NetInterfaceList", e);
|
||||
}
|
||||
|
||||
//network info bean
|
||||
mbean = new ReflectedMBean(sigarImpl, "NetInfo");
|
||||
try {
|
||||
mbean.putAttribute("FQDN", sigarImpl.getFQDN());
|
||||
} catch (SigarException e) {
|
||||
}
|
||||
registerMBean(mbean);
|
||||
//physical memory bean
|
||||
registerMBean(new ReflectedMBean(sigarImpl, "Mem"));
|
||||
//swap memory bean
|
||||
registerMBean(new ReflectedMBean(sigarImpl, "Swap"));
|
||||
//load average bean
|
||||
registerMBean(new SigarLoadAverage(sigarImpl));
|
||||
//global process stats
|
||||
registerMBean(new ReflectedMBean(sigarImpl, "ProcStat"));
|
||||
}
|
||||
|
||||
/**
|
||||
* Deregisters all Sigar MBeans that were created and registered using this
|
||||
* instance. After doing so, a super call is made to satisfy {@link AbstractMBean}.
|
||||
* @throws Exception
|
||||
*
|
||||
* @see AbstractMBean#preDeregister()
|
||||
*/
|
||||
public void preDeregister() throws Exception {
|
||||
|
||||
// count backwards to remove ONs immediately
|
||||
for (int i = managedBeans.size() - 1; i >= 0; i--) {
|
||||
ObjectName next = (ObjectName) managedBeans.remove(i);
|
||||
if (mbeanServer.isRegistered(next)) {
|
||||
try {
|
||||
mbeanServer.unregisterMBean(next);
|
||||
} catch (Exception e) { // ignore
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// do the super call
|
||||
super.preDeregister();
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user