/*
* Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package sun.management.snmp.jvminstr;
// java imports
//
import java.util.Map;
// jmx imports
//
import com.sun.jmx.snmp.SnmpStatusException;
import com.sun.jmx.snmp.SnmpDefinitions;
// jdmk imports
//
import java.lang.management.MemoryUsage;
import java.lang.management.MemoryType;
import java.lang.management.MemoryPoolMXBean;
import sun.management.snmp.jvmmib.JvmMemPoolEntryMBean;
import sun.management.snmp.jvmmib.EnumJvmMemPoolState;
import sun.management.snmp.jvmmib.EnumJvmMemPoolType;
import sun.management.snmp.jvmmib.EnumJvmMemPoolThreshdSupport;
import sun.management.snmp.jvmmib.EnumJvmMemPoolCollectThreshdSupport;
import sun.management.snmp.util.MibLogger;
import sun.management.snmp.util.JvmContextFactory;
/**
* The class is used for implementing the "JvmMemPoolEntry" group.
*/
public class JvmMemPoolEntryImpl implements JvmMemPoolEntryMBean {
/**
* Variable for storing the value of "JvmMemPoolIndex".
*
* "An index value opaquely computed by the agent which uniquely
* identifies a row in the jvmMemPoolTable.
* "
*
*/
final protected int jvmMemPoolIndex;
final static String memoryTag = "jvmMemPoolEntry.getUsage";
final static String peakMemoryTag = "jvmMemPoolEntry.getPeakUsage";
final static String collectMemoryTag =
"jvmMemPoolEntry.getCollectionUsage";
final static MemoryUsage ZEROS = new MemoryUsage(0,0,0,0);
final String entryMemoryTag;
final String entryPeakMemoryTag;
final String entryCollectMemoryTag;
MemoryUsage getMemoryUsage() {
try {
final Map<Object, Object> m = JvmContextFactory.getUserData();
if (m != null) {
final MemoryUsage cached = (MemoryUsage)
m.get(entryMemoryTag);
if (cached != null) {
log.debug("getMemoryUsage",entryMemoryTag+
" found in cache.");
return cached;
}
MemoryUsage u = pool.getUsage();
if (u == null) u = ZEROS;
m.put(entryMemoryTag,u);
return u;
}
// Should never come here.
// Log error!
log.trace("getMemoryUsage", "ERROR: should never come here!");
return pool.getUsage();
} catch (RuntimeException x) {
log.trace("getMemoryUsage",
"Failed to get MemoryUsage: " + x);
log.debug("getMemoryUsage",x);
throw x;
}
}
MemoryUsage getPeakMemoryUsage() {
try {
final Map<Object, Object> m = JvmContextFactory.getUserData();
if (m != null) {
final MemoryUsage cached = (MemoryUsage)
m.get(entryPeakMemoryTag);
if (cached != null) {
if (log.isDebugOn())
log.debug("getPeakMemoryUsage",
entryPeakMemoryTag + " found in cache.");
return cached;
}
MemoryUsage u = pool.getPeakUsage();
if (u == null) u = ZEROS;
m.put(entryPeakMemoryTag,u);
return u;
}
// Should never come here.
// Log error!
log.trace("getPeakMemoryUsage", "ERROR: should never come here!");
return ZEROS;
} catch (RuntimeException x) {
log.trace("getPeakMemoryUsage",
"Failed to get MemoryUsage: " + x);
log.debug("getPeakMemoryUsage",x);
throw x;
}
}
MemoryUsage getCollectMemoryUsage() {
try {
final Map<Object, Object> m = JvmContextFactory.getUserData();
if (m != null) {
final MemoryUsage cached = (MemoryUsage)
m.get(entryCollectMemoryTag);
if (cached != null) {
if (log.isDebugOn())
log.debug("getCollectMemoryUsage",
entryCollectMemoryTag + " found in cache.");
return cached;
}
MemoryUsage u = pool.getCollectionUsage();
if (u == null) u = ZEROS;
m.put(entryCollectMemoryTag,u);
return u;
}
// Should never come here.
// Log error!
log.trace("getCollectMemoryUsage",
"ERROR: should never come here!");
return ZEROS;
} catch (RuntimeException x) {
log.trace("getPeakMemoryUsage",
"Failed to get MemoryUsage: " + x);
log.debug("getPeakMemoryUsage",x);
throw x;
}
}
final MemoryPoolMXBean pool;
/**
* Constructor for the "JvmMemPoolEntry" group.
*/
public JvmMemPoolEntryImpl(MemoryPoolMXBean mp, final int index) {
this.pool=mp;
this.jvmMemPoolIndex = index;
this.entryMemoryTag = memoryTag + "." + index;
this.entryPeakMemoryTag = peakMemoryTag + "." + index;
this.entryCollectMemoryTag = collectMemoryTag + "." + index;
}
/**
* Getter for the "JvmMemPoolMaxSize" variable.
*/
public Long getJvmMemPoolMaxSize() throws SnmpStatusException {
final long val = getMemoryUsage().getMax();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolUsed" variable.
*/
public Long getJvmMemPoolUsed() throws SnmpStatusException {
final long val = getMemoryUsage().getUsed();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolInitSize" variable.
*/
public Long getJvmMemPoolInitSize() throws SnmpStatusException {
final long val = getMemoryUsage().getInit();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolCommitted" variable.
*/
public Long getJvmMemPoolCommitted() throws SnmpStatusException {
final long val = getMemoryUsage().getCommitted();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolPeakMaxSize" variable.
*/
public Long getJvmMemPoolPeakMaxSize() throws SnmpStatusException {
final long val = getPeakMemoryUsage().getMax();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolPeakUsed" variable.
*/
public Long getJvmMemPoolPeakUsed() throws SnmpStatusException {
final long val = getPeakMemoryUsage().getUsed();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolPeakCommitted" variable.
*/
public Long getJvmMemPoolPeakCommitted() throws SnmpStatusException {
final long val = getPeakMemoryUsage().getCommitted();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolCollectMaxSize" variable.
*/
public Long getJvmMemPoolCollectMaxSize() throws SnmpStatusException {
final long val = getCollectMemoryUsage().getMax();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolCollectUsed" variable.
*/
public Long getJvmMemPoolCollectUsed() throws SnmpStatusException {
final long val = getCollectMemoryUsage().getUsed();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolCollectCommitted" variable.
*/
public Long getJvmMemPoolCollectCommitted() throws SnmpStatusException {
final long val = getCollectMemoryUsage().getCommitted();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolThreshold" variable.
*/
public Long getJvmMemPoolThreshold() throws SnmpStatusException {
if (!pool.isUsageThresholdSupported())
return JvmMemoryImpl.Long0;
final long val = pool.getUsageThreshold();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Setter for the "JvmMemPoolThreshold" variable.
*/
public void setJvmMemPoolThreshold(Long x) throws SnmpStatusException {
final long val = x.longValue();
if (val < 0 )
throw new SnmpStatusException(SnmpDefinitions.snmpRspWrongValue);
// This should never throw an exception has the checks have
// already been performed in checkJvmMemPoolThreshold().
//
pool.setUsageThreshold(val);
}
/**
* Checker for the "JvmMemPoolThreshold" variable.
*/
public void checkJvmMemPoolThreshold(Long x) throws SnmpStatusException {
// if threshold is -1, it means that low memory detection is not
// supported.
if (!pool.isUsageThresholdSupported())
throw new
SnmpStatusException(SnmpDefinitions.snmpRspInconsistentValue);
final long val = x.longValue();
if (val < 0 )
throw new SnmpStatusException(SnmpDefinitions.snmpRspWrongValue);
}
/**
* Getter for the "JvmMemPoolThreshdSupport" variable.
*/
public EnumJvmMemPoolThreshdSupport getJvmMemPoolThreshdSupport()
throws SnmpStatusException {
if (pool.isUsageThresholdSupported())
return EnumJvmMemPoolThreshdSupported;
else
return EnumJvmMemPoolThreshdUnsupported;
}
/**
* Getter for the "JvmMemPoolThreshdCount" variable.
*/
public Long getJvmMemPoolThreshdCount()
throws SnmpStatusException {
if (!pool.isUsageThresholdSupported())
return JvmMemoryImpl.Long0;
final long val = pool.getUsageThresholdCount();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Getter for the "JvmMemPoolCollectThreshold" variable.
*/
public Long getJvmMemPoolCollectThreshold() throws SnmpStatusException {
if (!pool.isCollectionUsageThresholdSupported())
return JvmMemoryImpl.Long0;
final long val = pool.getCollectionUsageThreshold();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
/**
* Setter for the "JvmMemPoolCollectThreshold" variable.
*/
public void setJvmMemPoolCollectThreshold(Long x)
throws SnmpStatusException {
final long val = x.longValue();
if (val < 0 )
throw new SnmpStatusException(SnmpDefinitions.snmpRspWrongValue);
// This should never throw an exception has the checks have
// already been performed in checkJvmMemPoolCollectThreshold().
//
pool.setCollectionUsageThreshold(val);
}
/**
* Checker for the "JvmMemPoolCollectThreshold" variable.
*/
public void checkJvmMemPoolCollectThreshold(Long x)
throws SnmpStatusException {
// if threshold is -1, it means that low memory detection is not
// supported.
if (!pool.isCollectionUsageThresholdSupported())
throw new
SnmpStatusException(SnmpDefinitions.snmpRspInconsistentValue);
final long val = x.longValue();
if (val < 0 )
throw new SnmpStatusException(SnmpDefinitions.snmpRspWrongValue);
}
/**
* Getter for the "JvmMemPoolThreshdSupport" variable.
*/
public EnumJvmMemPoolCollectThreshdSupport
getJvmMemPoolCollectThreshdSupport()
throws SnmpStatusException {
if (pool.isCollectionUsageThresholdSupported())
return EnumJvmMemPoolCollectThreshdSupported;
else
return EnumJvmMemPoolCollectThreshdUnsupported;
}
/**
* Getter for the "JvmMemPoolCollectThreshdCount" variable.
*/
public Long getJvmMemPoolCollectThreshdCount()
throws SnmpStatusException {
if (!pool.isCollectionUsageThresholdSupported())
return JvmMemoryImpl.Long0;
final long val = pool.getCollectionUsageThresholdCount();
if (val > -1) return new Long(val);
else return JvmMemoryImpl.Long0;
}
public static EnumJvmMemPoolType jvmMemPoolType(MemoryType type)
throws SnmpStatusException {
if (type.equals(MemoryType.HEAP))
return EnumJvmMemPoolTypeHeap;
else if (type.equals(MemoryType.NON_HEAP))
return EnumJvmMemPoolTypeNonHeap;
throw new SnmpStatusException(SnmpStatusException.snmpRspWrongValue);
}
/**
* Getter for the "JvmMemPoolType" variable.
*/
public EnumJvmMemPoolType getJvmMemPoolType() throws SnmpStatusException {
return jvmMemPoolType(pool.getType());
}
/**
* Getter for the "JvmMemPoolName" variable.
*/
public String getJvmMemPoolName() throws SnmpStatusException {
return JVM_MANAGEMENT_MIB_IMPL.validJavaObjectNameTC(pool.getName());
}
/**
* Getter for the "JvmMemPoolIndex" variable.
*/
public Integer getJvmMemPoolIndex() throws SnmpStatusException {
return new Integer(jvmMemPoolIndex);
}
/**
* Getter for the "JvmMemPoolState" variable.
*/
public EnumJvmMemPoolState getJvmMemPoolState()
throws SnmpStatusException {
if (pool.isValid())
return JvmMemPoolStateValid;
else
return JvmMemPoolStateInvalid;
}
/**
* Getter for the "JvmMemPoolPeakReset" variable.
*/
public synchronized Long getJvmMemPoolPeakReset()
throws SnmpStatusException {
return new Long(jvmMemPoolPeakReset);
}
/**
* Setter for the "JvmMemPoolPeakReset" variable.
*/
public synchronized void setJvmMemPoolPeakReset(Long x)
throws SnmpStatusException {
final long l = x.longValue();
if (l > jvmMemPoolPeakReset) {
final long stamp = System.currentTimeMillis();
pool.resetPeakUsage();
jvmMemPoolPeakReset = stamp;
log.debug("setJvmMemPoolPeakReset",
"jvmMemPoolPeakReset="+stamp);
}
}
/**
* Checker for the "JvmMemPoolPeakReset" variable.
*/
public void checkJvmMemPoolPeakReset(Long x) throws SnmpStatusException {
}
/* Last time peak usage was reset */
private long jvmMemPoolPeakReset = 0;
private final static EnumJvmMemPoolState JvmMemPoolStateValid =
new EnumJvmMemPoolState("valid");
private final static EnumJvmMemPoolState JvmMemPoolStateInvalid =
new EnumJvmMemPoolState("invalid");
private static final EnumJvmMemPoolType EnumJvmMemPoolTypeHeap =
new EnumJvmMemPoolType("heap");
private static final EnumJvmMemPoolType EnumJvmMemPoolTypeNonHeap =
new EnumJvmMemPoolType("nonheap");
private static final EnumJvmMemPoolThreshdSupport
EnumJvmMemPoolThreshdSupported =
new EnumJvmMemPoolThreshdSupport("supported");
private static final EnumJvmMemPoolThreshdSupport
EnumJvmMemPoolThreshdUnsupported =
new EnumJvmMemPoolThreshdSupport("unsupported");
private static final EnumJvmMemPoolCollectThreshdSupport
EnumJvmMemPoolCollectThreshdSupported =
new EnumJvmMemPoolCollectThreshdSupport("supported");
private static final EnumJvmMemPoolCollectThreshdSupport
EnumJvmMemPoolCollectThreshdUnsupported=
new EnumJvmMemPoolCollectThreshdSupport("unsupported");
static final MibLogger log = new MibLogger(JvmMemPoolEntryImpl.class);
}