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use ReflectedMBean for Swap and Mem

This commit is contained in:
Doug MacEachern 2008-10-03 22:46:40 +00:00
parent 2868942667
commit d7e835fa4f
3 changed files with 2 additions and 412 deletions
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231
bindings/java/src/org/hyperic/sigar/jmx/SigarMem.java
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@ -1,231 +0,0 @@
/*
* 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.AttributeNotFoundException;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanConstructorInfo;
import javax.management.MBeanException;
import javax.management.MBeanInfo;
import javax.management.MBeanParameterInfo;
import javax.management.ReflectionException;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
/**
* Sigar JMX MBean implementation for the <code>Mem</code> information
* package. Provides an OpenMBean conform implementation.
*
* @author Bjoern Martin
* @since 1.5
*/
public class SigarMem extends AbstractMBean {
private static final String MBEAN_TYPE = "Mem";
private static final MBeanInfo MBEAN_INFO;
private static final MBeanAttributeInfo MBEAN_ATTR_ACTUAL_FREE;
private static final MBeanAttributeInfo MBEAN_ATTR_ACTUAL_USED;
private static final MBeanAttributeInfo MBEAN_ATTR_FREE;
private static final MBeanAttributeInfo MBEAN_ATTR_RAM;
private static final MBeanAttributeInfo MBEAN_ATTR_TOTAL;
private static final MBeanAttributeInfo MBEAN_ATTR_USED;
private static final MBeanConstructorInfo MBEAN_CONSTR_SIGAR;
private static MBeanParameterInfo MBEAN_PARAM_SIGAR;
static {
MBEAN_ATTR_ACTUAL_FREE = new MBeanAttributeInfo("ActualFree", "long",
"TODO add proper description here", true, false, false);
MBEAN_ATTR_ACTUAL_USED = new MBeanAttributeInfo("ActualUsed", "long",
"TODO add proper description here", true, false, false);
MBEAN_ATTR_FREE = new MBeanAttributeInfo("Free", "long",
"TODO add proper description here", true, false, false);
MBEAN_ATTR_RAM = new MBeanAttributeInfo("Ram", "long",
"TODO add proper description here", true, false, false);
MBEAN_ATTR_TOTAL = new MBeanAttributeInfo("Total", "long",
"TODO add proper description here", true, false, false);
MBEAN_ATTR_USED = new MBeanAttributeInfo("Used", "long",
"TODO add proper description here", 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(SigarMem.class.getName(),
"Creates a new instance, using the Sigar instance "
+ "specified to fetch the data.",
new MBeanParameterInfo[] { MBEAN_PARAM_SIGAR });
MBEAN_INFO = new MBeanInfo(
SigarMem.class.getName(),
"Sigar Memory MBean, provides raw data for the physical "
+ "memory installed on the system. Uses an internal cache "
+ "that invalidates within 500ms, allowing for bulk request "
+ "being satisfied with a single dataset fetch.",
new MBeanAttributeInfo[] { MBEAN_ATTR_ACTUAL_FREE,
MBEAN_ATTR_ACTUAL_USED, MBEAN_ATTR_FREE,
MBEAN_ATTR_RAM, MBEAN_ATTR_TOTAL, MBEAN_ATTR_USED },
new MBeanConstructorInfo[] { MBEAN_CONSTR_SIGAR }, null, null);
}
/**
* Object name this instance will give itself when being registered to an
* MBeanServer.
*/
private final String objectName;
/**
* 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 SigarMem(Sigar sigar) throws IllegalArgumentException {
super(sigar, CACHED_500MS);
this.objectName = SigarInvokerJMX.DOMAIN_NAME + ":" + MBEAN_ATTR_TYPE
+ "=Memory";
}
/**
* Object name this instance will give itself when being registered to an
* MBeanServer.
*/
public String getObjectName() {
return this.objectName;
}
/**
* @return The actual amount of free physical memory, in [bytes]
*/
public long getActualFree() {
try {
return sigar.getMem().getActualFree();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
/**
* @return The actual amount of physical memory used, in [bytes]
*/
public long getActualUsed() {
try {
return sigar.getMem().getActualUsed();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
/**
* @return The amount of free physical memory, in [bytes]
*/
public long getFree() {
try {
return sigar.getMem().getFree();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
/**
* @return The amount of physical memory, in [bytes]
*/
public long getRam() {
try {
return sigar.getMem().getRam();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
/**
* @return The total amount of physical memory, in [bytes]
*/
public long getTotal() {
try {
return sigar.getMem().getTotal();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
/**
* @return The amount of physical memory in use, in [bytes]
*/
public long getUsed() {
try {
return sigar.getMem().getUsed();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
// -------
// Implementation of the DynamicMBean interface
// -------
/*
* (non-Javadoc)
*
* @see javax.management.DynamicMBean#getAttribute(java.lang.String)
*/
public Object getAttribute(String attr) throws AttributeNotFoundException,
MBeanException, ReflectionException {
if (MBEAN_ATTR_ACTUAL_FREE.getName().equals(attr)) {
return new Long(getActualFree());
} else if (MBEAN_ATTR_ACTUAL_USED.getName().equals(attr)) {
return new Long(getActualUsed());
} else if (MBEAN_ATTR_FREE.getName().equals(attr)) {
return new Long(getFree());
} else if (MBEAN_ATTR_RAM.getName().equals(attr)) {
return new Long(getRam());
} else if (MBEAN_ATTR_TOTAL.getName().equals(attr)) {
return new Long(getTotal());
} else if (MBEAN_ATTR_USED.getName().equals(attr)) {
return new Long(getUsed());
} else {
throw new AttributeNotFoundException(attr);
}
}
/*
* (non-Javadoc)
* @see javax.management.DynamicMBean#getMBeanInfo()
*/
public MBeanInfo getMBeanInfo() {
return MBEAN_INFO;
}
}

4
bindings/java/src/org/hyperic/sigar/jmx/SigarRegistry.java
View File

@ -231,9 +231,9 @@ public class SigarRegistry extends AbstractMBean {
}
//physical memory bean
registerMBean(new SigarMem(sigarImpl));
registerMBean(new ReflectedMBean(sigarImpl, "Mem"));
//swap memory bean
registerMBean(new SigarSwap(sigarImpl));
registerMBean(new ReflectedMBean(sigarImpl, "Swap"));
//load average bean
registerMBean(new SigarLoadAverage(sigarImpl));
}

179
bindings/java/src/org/hyperic/sigar/jmx/SigarSwap.java
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@ -1,179 +0,0 @@
/*
* 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.AttributeNotFoundException;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanConstructorInfo;
import javax.management.MBeanException;
import javax.management.MBeanInfo;
import javax.management.MBeanParameterInfo;
import javax.management.ReflectionException;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
/**
* Sigar JMX MBean implementation for the <code>Swap</code> information
* package. Provides an OpenMBean conform implementation.
*
* @author Bjoern Martin
* @since 1.5
*/
public class SigarSwap extends AbstractMBean {
private static final String MBEAN_TYPE = "Swap";
private static final MBeanInfo MBEAN_INFO;
private static final MBeanAttributeInfo MBEAN_ATTR_FREE;
private static final MBeanAttributeInfo MBEAN_ATTR_TOTAL;
private static final MBeanAttributeInfo MBEAN_ATTR_USED;
private static final MBeanConstructorInfo MBEAN_CONSTR_SIGAR;
private static MBeanParameterInfo MBEAN_PARAM_SIGAR;
static {
MBEAN_ATTR_FREE = new MBeanAttributeInfo("Free", "long",
"The amount of free swap memory, in [bytes]", true, false,
false);
MBEAN_ATTR_TOTAL = new MBeanAttributeInfo("Total", "long",
"The total amount of swap memory, in [bytes]", true, false,
false);
MBEAN_ATTR_USED = new MBeanAttributeInfo("Used", "long",
"The amount of swap memory in use, in [bytes]", 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(
SigarSwap.class.getName(),
"Creates a new instance, using the Sigar instance "
+ "specified to fetch the data.",
new MBeanParameterInfo[] { MBEAN_PARAM_SIGAR });
MBEAN_INFO = new MBeanInfo(
SigarSwap.class.getName(),
"Sigar Swap MBean, provides raw data for the swap memory "
+ "configured on the system. Uses an internal cache that "
+ "invalidates within 5 seconds.",
new MBeanAttributeInfo[] { MBEAN_ATTR_FREE, MBEAN_ATTR_TOTAL,
MBEAN_ATTR_USED },
new MBeanConstructorInfo[] { MBEAN_CONSTR_SIGAR }, null, null);
}
/**
* Object name this instance will give itself when being registered to an
* MBeanServer.
*/
private final String objectName;
/**
* 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 SigarSwap(Sigar sigar) throws IllegalArgumentException {
super(sigar, CACHED_5SEC);
this.objectName = SigarInvokerJMX.DOMAIN_NAME + ":" + MBEAN_ATTR_TYPE
+ "=Swap";
}
/**
* Object name this instance will give itself when being registered to an
* MBeanServer.
*/
public String getObjectName() {
return this.objectName;
}
/**
* @return The amount of free swap memory, in [bytes]
*/
public long getFree() {
try {
return sigar.getSwap().getFree();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
/**
* @return The total amount of swap memory, in [bytes]
*/
public long getTotal() {
try {
return sigar.getSwap().getTotal();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
/**
* @return The amount of swap memory in use, in [bytes]
*/
public long getUsed() {
try {
return sigar.getSwap().getUsed();
} catch (SigarException e) {
throw unexpectedError(MBEAN_TYPE, e);
}
}
// -------
// Implementation of the DynamicMBean interface
// -------
/*
* (non-Javadoc)
*
* @see javax.management.DynamicMBean#getAttribute(java.lang.String)
*/
public Object getAttribute(String attr) throws AttributeNotFoundException,
MBeanException, ReflectionException {
if (MBEAN_ATTR_FREE.getName().equals(attr)) {
return new Long(getFree());
} else if (MBEAN_ATTR_TOTAL.getName().equals(attr)) {
return new Long(getTotal());
} else if (MBEAN_ATTR_USED.getName().equals(attr)) {
return new Long(getUsed());
} else {
throw new AttributeNotFoundException(attr);
}
}
/*
* (non-Javadoc)
* @see javax.management.DynamicMBean#getMBeanInfo()
*/
public MBeanInfo getMBeanInfo() {
return MBEAN_INFO;
}
}