507 lines
17 KiB
Java
507 lines
17 KiB
Java
/*
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* Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.management.snmp.jvminstr;
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// java imports
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//
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import java.util.Map;
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// jmx imports
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//
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import com.sun.jmx.snmp.SnmpStatusException;
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import com.sun.jmx.snmp.SnmpDefinitions;
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// jdmk imports
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//
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import java.lang.management.MemoryUsage;
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import java.lang.management.MemoryType;
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import java.lang.management.MemoryPoolMXBean;
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import sun.management.snmp.jvmmib.JvmMemPoolEntryMBean;
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import sun.management.snmp.jvmmib.EnumJvmMemPoolState;
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import sun.management.snmp.jvmmib.EnumJvmMemPoolType;
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import sun.management.snmp.jvmmib.EnumJvmMemPoolThreshdSupport;
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import sun.management.snmp.jvmmib.EnumJvmMemPoolCollectThreshdSupport;
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import sun.management.snmp.util.MibLogger;
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import sun.management.snmp.util.JvmContextFactory;
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/**
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* The class is used for implementing the "JvmMemPoolEntry" group.
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*/
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public class JvmMemPoolEntryImpl implements JvmMemPoolEntryMBean {
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/**
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* Variable for storing the value of "JvmMemPoolIndex".
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*
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* "An index value opaquely computed by the agent which uniquely
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* identifies a row in the jvmMemPoolTable.
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* "
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*
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*/
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final protected int jvmMemPoolIndex;
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final static String memoryTag = "jvmMemPoolEntry.getUsage";
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final static String peakMemoryTag = "jvmMemPoolEntry.getPeakUsage";
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final static String collectMemoryTag =
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"jvmMemPoolEntry.getCollectionUsage";
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final static MemoryUsage ZEROS = new MemoryUsage(0,0,0,0);
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final String entryMemoryTag;
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final String entryPeakMemoryTag;
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final String entryCollectMemoryTag;
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MemoryUsage getMemoryUsage() {
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try {
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final Map<Object, Object> m = JvmContextFactory.getUserData();
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if (m != null) {
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final MemoryUsage cached = (MemoryUsage)
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m.get(entryMemoryTag);
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if (cached != null) {
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log.debug("getMemoryUsage",entryMemoryTag+
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" found in cache.");
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return cached;
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}
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MemoryUsage u = pool.getUsage();
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if (u == null) u = ZEROS;
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m.put(entryMemoryTag,u);
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return u;
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}
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// Should never come here.
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// Log error!
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log.trace("getMemoryUsage", "ERROR: should never come here!");
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return pool.getUsage();
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} catch (RuntimeException x) {
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log.trace("getMemoryUsage",
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"Failed to get MemoryUsage: " + x);
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log.debug("getMemoryUsage",x);
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throw x;
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}
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}
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MemoryUsage getPeakMemoryUsage() {
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try {
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final Map<Object, Object> m = JvmContextFactory.getUserData();
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if (m != null) {
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final MemoryUsage cached = (MemoryUsage)
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m.get(entryPeakMemoryTag);
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if (cached != null) {
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if (log.isDebugOn())
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log.debug("getPeakMemoryUsage",
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entryPeakMemoryTag + " found in cache.");
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return cached;
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}
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MemoryUsage u = pool.getPeakUsage();
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if (u == null) u = ZEROS;
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m.put(entryPeakMemoryTag,u);
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return u;
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}
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// Should never come here.
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// Log error!
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log.trace("getPeakMemoryUsage", "ERROR: should never come here!");
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return ZEROS;
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} catch (RuntimeException x) {
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log.trace("getPeakMemoryUsage",
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"Failed to get MemoryUsage: " + x);
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log.debug("getPeakMemoryUsage",x);
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throw x;
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}
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}
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MemoryUsage getCollectMemoryUsage() {
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try {
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final Map<Object, Object> m = JvmContextFactory.getUserData();
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if (m != null) {
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final MemoryUsage cached = (MemoryUsage)
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m.get(entryCollectMemoryTag);
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if (cached != null) {
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if (log.isDebugOn())
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log.debug("getCollectMemoryUsage",
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entryCollectMemoryTag + " found in cache.");
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return cached;
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}
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MemoryUsage u = pool.getCollectionUsage();
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if (u == null) u = ZEROS;
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m.put(entryCollectMemoryTag,u);
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return u;
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}
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// Should never come here.
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// Log error!
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log.trace("getCollectMemoryUsage",
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"ERROR: should never come here!");
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return ZEROS;
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} catch (RuntimeException x) {
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log.trace("getPeakMemoryUsage",
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"Failed to get MemoryUsage: " + x);
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log.debug("getPeakMemoryUsage",x);
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throw x;
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}
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}
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final MemoryPoolMXBean pool;
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/**
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* Constructor for the "JvmMemPoolEntry" group.
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*/
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public JvmMemPoolEntryImpl(MemoryPoolMXBean mp, final int index) {
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this.pool=mp;
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this.jvmMemPoolIndex = index;
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this.entryMemoryTag = memoryTag + "." + index;
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this.entryPeakMemoryTag = peakMemoryTag + "." + index;
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this.entryCollectMemoryTag = collectMemoryTag + "." + index;
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}
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/**
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* Getter for the "JvmMemPoolMaxSize" variable.
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*/
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public Long getJvmMemPoolMaxSize() throws SnmpStatusException {
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final long val = getMemoryUsage().getMax();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolUsed" variable.
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*/
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public Long getJvmMemPoolUsed() throws SnmpStatusException {
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final long val = getMemoryUsage().getUsed();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolInitSize" variable.
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*/
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public Long getJvmMemPoolInitSize() throws SnmpStatusException {
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final long val = getMemoryUsage().getInit();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolCommitted" variable.
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*/
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public Long getJvmMemPoolCommitted() throws SnmpStatusException {
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final long val = getMemoryUsage().getCommitted();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolPeakMaxSize" variable.
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*/
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public Long getJvmMemPoolPeakMaxSize() throws SnmpStatusException {
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final long val = getPeakMemoryUsage().getMax();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolPeakUsed" variable.
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*/
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public Long getJvmMemPoolPeakUsed() throws SnmpStatusException {
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final long val = getPeakMemoryUsage().getUsed();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolPeakCommitted" variable.
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*/
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public Long getJvmMemPoolPeakCommitted() throws SnmpStatusException {
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final long val = getPeakMemoryUsage().getCommitted();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolCollectMaxSize" variable.
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*/
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public Long getJvmMemPoolCollectMaxSize() throws SnmpStatusException {
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final long val = getCollectMemoryUsage().getMax();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolCollectUsed" variable.
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*/
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public Long getJvmMemPoolCollectUsed() throws SnmpStatusException {
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final long val = getCollectMemoryUsage().getUsed();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolCollectCommitted" variable.
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*/
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public Long getJvmMemPoolCollectCommitted() throws SnmpStatusException {
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final long val = getCollectMemoryUsage().getCommitted();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolThreshold" variable.
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*/
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public Long getJvmMemPoolThreshold() throws SnmpStatusException {
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if (!pool.isUsageThresholdSupported())
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return JvmMemoryImpl.Long0;
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final long val = pool.getUsageThreshold();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Setter for the "JvmMemPoolThreshold" variable.
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*/
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public void setJvmMemPoolThreshold(Long x) throws SnmpStatusException {
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final long val = x.longValue();
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if (val < 0 )
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throw new SnmpStatusException(SnmpDefinitions.snmpRspWrongValue);
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// This should never throw an exception has the checks have
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// already been performed in checkJvmMemPoolThreshold().
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//
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pool.setUsageThreshold(val);
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}
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/**
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* Checker for the "JvmMemPoolThreshold" variable.
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*/
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public void checkJvmMemPoolThreshold(Long x) throws SnmpStatusException {
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// if threshold is -1, it means that low memory detection is not
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// supported.
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if (!pool.isUsageThresholdSupported())
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throw new
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SnmpStatusException(SnmpDefinitions.snmpRspInconsistentValue);
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final long val = x.longValue();
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if (val < 0 )
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throw new SnmpStatusException(SnmpDefinitions.snmpRspWrongValue);
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}
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/**
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* Getter for the "JvmMemPoolThreshdSupport" variable.
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*/
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public EnumJvmMemPoolThreshdSupport getJvmMemPoolThreshdSupport()
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throws SnmpStatusException {
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if (pool.isUsageThresholdSupported())
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return EnumJvmMemPoolThreshdSupported;
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else
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return EnumJvmMemPoolThreshdUnsupported;
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}
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/**
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* Getter for the "JvmMemPoolThreshdCount" variable.
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*/
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public Long getJvmMemPoolThreshdCount()
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throws SnmpStatusException {
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if (!pool.isUsageThresholdSupported())
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return JvmMemoryImpl.Long0;
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final long val = pool.getUsageThresholdCount();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Getter for the "JvmMemPoolCollectThreshold" variable.
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*/
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public Long getJvmMemPoolCollectThreshold() throws SnmpStatusException {
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if (!pool.isCollectionUsageThresholdSupported())
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return JvmMemoryImpl.Long0;
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final long val = pool.getCollectionUsageThreshold();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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/**
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* Setter for the "JvmMemPoolCollectThreshold" variable.
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*/
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public void setJvmMemPoolCollectThreshold(Long x)
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throws SnmpStatusException {
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final long val = x.longValue();
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if (val < 0 )
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throw new SnmpStatusException(SnmpDefinitions.snmpRspWrongValue);
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// This should never throw an exception has the checks have
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// already been performed in checkJvmMemPoolCollectThreshold().
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//
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pool.setCollectionUsageThreshold(val);
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}
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/**
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* Checker for the "JvmMemPoolCollectThreshold" variable.
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*/
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public void checkJvmMemPoolCollectThreshold(Long x)
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throws SnmpStatusException {
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// if threshold is -1, it means that low memory detection is not
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// supported.
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if (!pool.isCollectionUsageThresholdSupported())
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throw new
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SnmpStatusException(SnmpDefinitions.snmpRspInconsistentValue);
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final long val = x.longValue();
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if (val < 0 )
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throw new SnmpStatusException(SnmpDefinitions.snmpRspWrongValue);
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}
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/**
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* Getter for the "JvmMemPoolThreshdSupport" variable.
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*/
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public EnumJvmMemPoolCollectThreshdSupport
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getJvmMemPoolCollectThreshdSupport()
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throws SnmpStatusException {
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if (pool.isCollectionUsageThresholdSupported())
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return EnumJvmMemPoolCollectThreshdSupported;
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else
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return EnumJvmMemPoolCollectThreshdUnsupported;
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}
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/**
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* Getter for the "JvmMemPoolCollectThreshdCount" variable.
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*/
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public Long getJvmMemPoolCollectThreshdCount()
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throws SnmpStatusException {
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if (!pool.isCollectionUsageThresholdSupported())
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return JvmMemoryImpl.Long0;
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final long val = pool.getCollectionUsageThresholdCount();
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if (val > -1) return new Long(val);
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else return JvmMemoryImpl.Long0;
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}
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public static EnumJvmMemPoolType jvmMemPoolType(MemoryType type)
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throws SnmpStatusException {
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if (type.equals(MemoryType.HEAP))
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return EnumJvmMemPoolTypeHeap;
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else if (type.equals(MemoryType.NON_HEAP))
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return EnumJvmMemPoolTypeNonHeap;
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throw new SnmpStatusException(SnmpStatusException.snmpRspWrongValue);
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}
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/**
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* Getter for the "JvmMemPoolType" variable.
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*/
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public EnumJvmMemPoolType getJvmMemPoolType() throws SnmpStatusException {
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return jvmMemPoolType(pool.getType());
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}
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/**
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* Getter for the "JvmMemPoolName" variable.
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*/
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public String getJvmMemPoolName() throws SnmpStatusException {
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return JVM_MANAGEMENT_MIB_IMPL.validJavaObjectNameTC(pool.getName());
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}
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/**
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* Getter for the "JvmMemPoolIndex" variable.
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*/
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public Integer getJvmMemPoolIndex() throws SnmpStatusException {
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return new Integer(jvmMemPoolIndex);
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}
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/**
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* Getter for the "JvmMemPoolState" variable.
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*/
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public EnumJvmMemPoolState getJvmMemPoolState()
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throws SnmpStatusException {
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if (pool.isValid())
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return JvmMemPoolStateValid;
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else
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return JvmMemPoolStateInvalid;
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}
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/**
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* Getter for the "JvmMemPoolPeakReset" variable.
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*/
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public synchronized Long getJvmMemPoolPeakReset()
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throws SnmpStatusException {
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return new Long(jvmMemPoolPeakReset);
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}
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/**
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* Setter for the "JvmMemPoolPeakReset" variable.
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*/
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public synchronized void setJvmMemPoolPeakReset(Long x)
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throws SnmpStatusException {
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final long l = x.longValue();
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if (l > jvmMemPoolPeakReset) {
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final long stamp = System.currentTimeMillis();
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pool.resetPeakUsage();
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jvmMemPoolPeakReset = stamp;
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log.debug("setJvmMemPoolPeakReset",
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"jvmMemPoolPeakReset="+stamp);
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}
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}
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/**
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* Checker for the "JvmMemPoolPeakReset" variable.
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*/
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public void checkJvmMemPoolPeakReset(Long x) throws SnmpStatusException {
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}
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/* Last time peak usage was reset */
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private long jvmMemPoolPeakReset = 0;
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private final static EnumJvmMemPoolState JvmMemPoolStateValid =
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new EnumJvmMemPoolState("valid");
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private final static EnumJvmMemPoolState JvmMemPoolStateInvalid =
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new EnumJvmMemPoolState("invalid");
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private static final EnumJvmMemPoolType EnumJvmMemPoolTypeHeap =
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new EnumJvmMemPoolType("heap");
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private static final EnumJvmMemPoolType EnumJvmMemPoolTypeNonHeap =
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new EnumJvmMemPoolType("nonheap");
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private static final EnumJvmMemPoolThreshdSupport
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EnumJvmMemPoolThreshdSupported =
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new EnumJvmMemPoolThreshdSupport("supported");
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private static final EnumJvmMemPoolThreshdSupport
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EnumJvmMemPoolThreshdUnsupported =
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new EnumJvmMemPoolThreshdSupport("unsupported");
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private static final EnumJvmMemPoolCollectThreshdSupport
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EnumJvmMemPoolCollectThreshdSupported =
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new EnumJvmMemPoolCollectThreshdSupport("supported");
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private static final EnumJvmMemPoolCollectThreshdSupport
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EnumJvmMemPoolCollectThreshdUnsupported=
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new EnumJvmMemPoolCollectThreshdSupport("unsupported");
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static final MibLogger log = new MibLogger(JvmMemPoolEntryImpl.class);
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}
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