feat(jdk8): move files to new folder to avoid resources compiled.
This commit is contained in:
@@ -0,0 +1,523 @@
|
||||
/*
|
||||
* Copyright (c) 2003, 2012, 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
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
package sun.management.snmp.jvminstr;
|
||||
|
||||
// java imports
|
||||
//
|
||||
import com.sun.jmx.mbeanserver.Util;
|
||||
import java.io.Serializable;
|
||||
import java.util.List;
|
||||
import java.util.Iterator;
|
||||
import java.util.Map;
|
||||
import java.util.HashMap;
|
||||
import java.util.TreeMap;
|
||||
import java.util.Collections;
|
||||
|
||||
// jmx imports
|
||||
//
|
||||
import javax.management.MBeanServer;
|
||||
import javax.management.ObjectName;
|
||||
import com.sun.jmx.snmp.SnmpOid;
|
||||
import com.sun.jmx.snmp.SnmpStatusException;
|
||||
|
||||
// jdmk imports
|
||||
//
|
||||
import com.sun.jmx.snmp.agent.SnmpMib;
|
||||
import com.sun.jmx.snmp.agent.SnmpStandardObjectServer;
|
||||
import com.sun.jmx.snmp.agent.SnmpMibTable;
|
||||
|
||||
import java.lang.management.MemoryManagerMXBean;
|
||||
import java.lang.management.MemoryPoolMXBean;
|
||||
|
||||
import sun.management.snmp.jvmmib.JvmMemMgrPoolRelTableMeta;
|
||||
import sun.management.snmp.util.SnmpTableCache;
|
||||
import sun.management.snmp.util.SnmpCachedData;
|
||||
import sun.management.snmp.util.SnmpTableHandler;
|
||||
import sun.management.snmp.util.MibLogger;
|
||||
import sun.management.snmp.util.JvmContextFactory;
|
||||
|
||||
/**
|
||||
* The class is used for implementing the "JvmMemMgrPoolRelTable" group.
|
||||
*/
|
||||
public class JvmMemMgrPoolRelTableMetaImpl extends JvmMemMgrPoolRelTableMeta
|
||||
implements Serializable {
|
||||
|
||||
static final long serialVersionUID = 1896509775012355443L;
|
||||
|
||||
/**
|
||||
* A concrete implementation of {@link SnmpTableCache}, for the
|
||||
* jvmMemMgrPoolRelTable.
|
||||
**/
|
||||
|
||||
private static class JvmMemMgrPoolRelTableCache
|
||||
extends SnmpTableCache {
|
||||
|
||||
static final long serialVersionUID = 6059937161990659184L;
|
||||
final private JvmMemMgrPoolRelTableMetaImpl meta;
|
||||
|
||||
/**
|
||||
* Create a weak cache for the jvmMemMgrPoolRelTable.
|
||||
* @param validity validity of the cached data, in ms.
|
||||
**/
|
||||
JvmMemMgrPoolRelTableCache(JvmMemMgrPoolRelTableMetaImpl meta,
|
||||
long validity) {
|
||||
this.validity = validity;
|
||||
this.meta = meta;
|
||||
}
|
||||
|
||||
/**
|
||||
* Call <code>getTableDatas(JvmContextFactory.getUserData())</code>.
|
||||
**/
|
||||
public SnmpTableHandler getTableHandler() {
|
||||
final Map<Object,Object> userData = JvmContextFactory.getUserData();
|
||||
return getTableDatas(userData);
|
||||
}
|
||||
|
||||
/**
|
||||
* Builds a map pool-name => pool-index from the SnmpTableHandler
|
||||
* of the JvmMemPoolTable.
|
||||
**/
|
||||
private static Map<String, SnmpOid> buildPoolIndexMap(SnmpTableHandler handler) {
|
||||
// optimization...
|
||||
if (handler instanceof SnmpCachedData)
|
||||
return buildPoolIndexMap((SnmpCachedData)handler);
|
||||
|
||||
// not optimizable... too bad.
|
||||
final Map<String, SnmpOid> m = new HashMap<>();
|
||||
SnmpOid index=null;
|
||||
while ((index = handler.getNext(index))!=null) {
|
||||
final MemoryPoolMXBean mpm =
|
||||
(MemoryPoolMXBean)handler.getData(index);
|
||||
if (mpm == null) continue;
|
||||
final String name = mpm.getName();
|
||||
if (name == null) continue;
|
||||
m.put(name,index);
|
||||
}
|
||||
return m;
|
||||
}
|
||||
|
||||
/**
|
||||
* Builds a map pool-name => pool-index from the SnmpTableHandler
|
||||
* of the JvmMemPoolTable.
|
||||
* Optimized algorithm.
|
||||
**/
|
||||
private static Map<String, SnmpOid> buildPoolIndexMap(SnmpCachedData cached) {
|
||||
if (cached == null) return Collections.emptyMap();
|
||||
final SnmpOid[] indexes = cached.indexes;
|
||||
final Object[] datas = cached.datas;
|
||||
final int len = indexes.length;
|
||||
final Map<String, SnmpOid> m = new HashMap<>(len);
|
||||
for (int i=0; i<len; i++) {
|
||||
final SnmpOid index = indexes[i];
|
||||
if (index == null) continue;
|
||||
final MemoryPoolMXBean mpm =
|
||||
(MemoryPoolMXBean)datas[i];
|
||||
if (mpm == null) continue;
|
||||
final String name = mpm.getName();
|
||||
if (name == null) continue;
|
||||
m.put(name,index);
|
||||
}
|
||||
return m;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return a table handler that holds the jvmMemManagerTable table data.
|
||||
* This method return the cached table data if it is still
|
||||
* valid, recompute it and cache the new value if it's not.
|
||||
* If it needs to recompute the cached data, it first
|
||||
* try to obtain the list of memory managers from the request
|
||||
* contextual cache, and if it is not found, it calls
|
||||
* <code>ManagementFactory.getMemoryMBean().getMemoryManagers()</code>
|
||||
* and caches the value.
|
||||
* This ensures that
|
||||
* <code>ManagementFactory.getMemoryMBean().getMemoryManagers()</code>
|
||||
* is not called more than once per request, thus ensuring a
|
||||
* consistent view of the table.
|
||||
**/
|
||||
protected SnmpCachedData updateCachedDatas(Object userData) {
|
||||
// Get the MemoryManager table
|
||||
final SnmpTableHandler mmHandler =
|
||||
meta.getManagerHandler(userData);
|
||||
|
||||
// Get the MemoryPool table
|
||||
final SnmpTableHandler mpHandler =
|
||||
meta.getPoolHandler(userData);
|
||||
|
||||
// Time stamp for the cache
|
||||
final long time = System.currentTimeMillis();
|
||||
|
||||
// Build a Map poolname -> index
|
||||
final Map<String,SnmpOid> poolIndexMap = buildPoolIndexMap(mpHandler);
|
||||
|
||||
// For each memory manager, get the list of memory pools
|
||||
// For each memory pool, find its index in the memory pool table
|
||||
// Create a row in the relation table.
|
||||
final TreeMap<SnmpOid, Object> table =
|
||||
new TreeMap<>(SnmpCachedData.oidComparator);
|
||||
updateTreeMap(table,userData,mmHandler,mpHandler,poolIndexMap);
|
||||
|
||||
return new SnmpCachedData(time,table);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Get the list of memory pool associated with the
|
||||
* given MemoryManagerMXBean.
|
||||
**/
|
||||
protected String[] getMemoryPools(Object userData,
|
||||
MemoryManagerMXBean mmm, long mmarc) {
|
||||
final String listTag =
|
||||
"JvmMemManager." + mmarc + ".getMemoryPools";
|
||||
|
||||
String[] result=null;
|
||||
if (userData instanceof Map) {
|
||||
result = (String[])((Map)userData).get(listTag);
|
||||
if (result != null) return result;
|
||||
}
|
||||
|
||||
if (mmm!=null) {
|
||||
result = mmm.getMemoryPoolNames();
|
||||
}
|
||||
if ((result!=null)&&(userData instanceof Map)) {
|
||||
Map<Object, Object> map = Util.cast(userData);
|
||||
map.put(listTag,result);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
protected void updateTreeMap(TreeMap<SnmpOid, Object> table, Object userData,
|
||||
MemoryManagerMXBean mmm,
|
||||
SnmpOid mmIndex,
|
||||
Map<String, SnmpOid> poolIndexMap) {
|
||||
|
||||
// The MemoryManager index is an int, so it's the first
|
||||
// and only subidentifier.
|
||||
final long mmarc;
|
||||
try {
|
||||
mmarc = mmIndex.getOidArc(0);
|
||||
} catch (SnmpStatusException x) {
|
||||
log.debug("updateTreeMap",
|
||||
"Bad MemoryManager OID index: "+mmIndex);
|
||||
log.debug("updateTreeMap",x);
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
// Cache this in userData + get it from cache?
|
||||
final String[] mpList = getMemoryPools(userData,mmm,mmarc);
|
||||
if (mpList == null || mpList.length < 1) return;
|
||||
|
||||
final String mmmName = mmm.getName();
|
||||
for (int i = 0; i < mpList.length; i++) {
|
||||
final String mpmName = mpList[i];
|
||||
if (mpmName == null) continue;
|
||||
final SnmpOid mpIndex = poolIndexMap.get(mpmName);
|
||||
if (mpIndex == null) continue;
|
||||
|
||||
// The MemoryPool index is an int, so it's the first
|
||||
// and only subidentifier.
|
||||
final long mparc;
|
||||
try {
|
||||
mparc = mpIndex.getOidArc(0);
|
||||
} catch (SnmpStatusException x) {
|
||||
log.debug("updateTreeMap","Bad MemoryPool OID index: " +
|
||||
mpIndex);
|
||||
log.debug("updateTreeMap",x);
|
||||
continue;
|
||||
}
|
||||
// The MemoryMgrPoolRel table indexed is composed
|
||||
// of the MemoryManager index, to which the MemoryPool
|
||||
// index is appended.
|
||||
final long[] arcs = { mmarc, mparc };
|
||||
|
||||
final SnmpOid index = new SnmpOid(arcs);
|
||||
|
||||
table.put(index, new JvmMemMgrPoolRelEntryImpl(mmmName,
|
||||
mpmName,
|
||||
(int)mmarc,
|
||||
(int)mparc));
|
||||
}
|
||||
}
|
||||
|
||||
protected void updateTreeMap(TreeMap<SnmpOid, Object> table, Object userData,
|
||||
SnmpTableHandler mmHandler,
|
||||
SnmpTableHandler mpHandler,
|
||||
Map<String, SnmpOid> poolIndexMap) {
|
||||
if (mmHandler instanceof SnmpCachedData) {
|
||||
updateTreeMap(table,userData,(SnmpCachedData)mmHandler,
|
||||
mpHandler,poolIndexMap);
|
||||
return;
|
||||
}
|
||||
|
||||
SnmpOid mmIndex=null;
|
||||
while ((mmIndex = mmHandler.getNext(mmIndex))!=null) {
|
||||
final MemoryManagerMXBean mmm =
|
||||
(MemoryManagerMXBean)mmHandler.getData(mmIndex);
|
||||
if (mmm == null) continue;
|
||||
updateTreeMap(table,userData,mmm,mmIndex,poolIndexMap);
|
||||
}
|
||||
}
|
||||
|
||||
protected void updateTreeMap(TreeMap<SnmpOid, Object> table, Object userData,
|
||||
SnmpCachedData mmHandler,
|
||||
SnmpTableHandler mpHandler,
|
||||
Map<String, SnmpOid> poolIndexMap) {
|
||||
|
||||
final SnmpOid[] indexes = mmHandler.indexes;
|
||||
final Object[] datas = mmHandler.datas;
|
||||
final int size = indexes.length;
|
||||
for (int i=size-1; i>-1; i--) {
|
||||
final MemoryManagerMXBean mmm =
|
||||
(MemoryManagerMXBean)datas[i];
|
||||
if (mmm == null) continue;
|
||||
updateTreeMap(table,userData,mmm,indexes[i],poolIndexMap);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// The weak cache for this table.
|
||||
protected SnmpTableCache cache;
|
||||
|
||||
private transient JvmMemManagerTableMetaImpl managers = null;
|
||||
private transient JvmMemPoolTableMetaImpl pools = null;
|
||||
|
||||
/**
|
||||
* Constructor for the table. Initialize metadata for
|
||||
* "JvmMemMgrPoolRelTableMeta".
|
||||
* The reference on the MBean server is updated so the entries
|
||||
* created through an SNMP SET will be AUTOMATICALLY REGISTERED
|
||||
* in Java DMK.
|
||||
*/
|
||||
public JvmMemMgrPoolRelTableMetaImpl(SnmpMib myMib,
|
||||
SnmpStandardObjectServer objserv) {
|
||||
super(myMib,objserv);
|
||||
this.cache = new
|
||||
JvmMemMgrPoolRelTableCache(this,((JVM_MANAGEMENT_MIB_IMPL)myMib).
|
||||
validity());
|
||||
}
|
||||
|
||||
// Returns a pointer to the JvmMemManager meta node - we're going
|
||||
// to reuse its SnmpTableHandler in order to implement the
|
||||
// relation table.
|
||||
private final JvmMemManagerTableMetaImpl getManagers(SnmpMib mib) {
|
||||
if (managers == null) {
|
||||
managers = (JvmMemManagerTableMetaImpl)
|
||||
mib.getRegisteredTableMeta("JvmMemManagerTable");
|
||||
}
|
||||
return managers;
|
||||
}
|
||||
|
||||
// Returns a pointer to the JvmMemPool meta node - we're going
|
||||
// to reuse its SnmpTableHandler in order to implement the
|
||||
// relation table.
|
||||
private final JvmMemPoolTableMetaImpl getPools(SnmpMib mib) {
|
||||
if (pools == null) {
|
||||
pools = (JvmMemPoolTableMetaImpl)
|
||||
mib.getRegisteredTableMeta("JvmMemPoolTable");
|
||||
}
|
||||
return pools;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the JvmMemManagerTable SnmpTableHandler
|
||||
**/
|
||||
protected SnmpTableHandler getManagerHandler(Object userData) {
|
||||
final JvmMemManagerTableMetaImpl managerTable = getManagers(theMib);
|
||||
return managerTable.getHandler(userData);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the JvmMemPoolTable SnmpTableHandler
|
||||
**/
|
||||
protected SnmpTableHandler getPoolHandler(Object userData) {
|
||||
final JvmMemPoolTableMetaImpl poolTable = getPools(theMib);
|
||||
return poolTable.getHandler(userData);
|
||||
}
|
||||
|
||||
// See com.sun.jmx.snmp.agent.SnmpMibTable
|
||||
protected SnmpOid getNextOid(Object userData)
|
||||
throws SnmpStatusException {
|
||||
// null means get the first OID.
|
||||
return getNextOid(null,userData);
|
||||
}
|
||||
|
||||
// See com.sun.jmx.snmp.agent.SnmpMibTable
|
||||
protected SnmpOid getNextOid(SnmpOid oid, Object userData)
|
||||
throws SnmpStatusException {
|
||||
final boolean dbg = log.isDebugOn();
|
||||
if (dbg) log.debug("getNextOid", "previous=" + oid);
|
||||
|
||||
|
||||
// Get the data handler.
|
||||
//
|
||||
SnmpTableHandler handler = getHandler(userData);
|
||||
if (handler == null) {
|
||||
// This should never happen.
|
||||
// If we get here it's a bug.
|
||||
//
|
||||
if (dbg) log.debug("getNextOid", "handler is null!");
|
||||
throw new SnmpStatusException(SnmpStatusException.noSuchInstance);
|
||||
}
|
||||
|
||||
// Get the next oid
|
||||
//
|
||||
final SnmpOid next = handler.getNext(oid);
|
||||
if (dbg) log.debug("getNextOid", "next=" + next);
|
||||
|
||||
// if next is null: we reached the end of the table.
|
||||
//
|
||||
if (next == null)
|
||||
throw new SnmpStatusException(SnmpStatusException.noSuchInstance);
|
||||
|
||||
return next;
|
||||
}
|
||||
|
||||
|
||||
// See com.sun.jmx.snmp.agent.SnmpMibTable
|
||||
protected boolean contains(SnmpOid oid, Object userData) {
|
||||
|
||||
// Get the handler.
|
||||
//
|
||||
SnmpTableHandler handler = getHandler(userData);
|
||||
|
||||
// handler should never be null.
|
||||
//
|
||||
if (handler == null)
|
||||
return false;
|
||||
|
||||
return handler.contains(oid);
|
||||
}
|
||||
|
||||
// See com.sun.jmx.snmp.agent.SnmpMibTable
|
||||
public Object getEntry(SnmpOid oid)
|
||||
throws SnmpStatusException {
|
||||
|
||||
if (oid == null || oid.getLength() < 2)
|
||||
throw new SnmpStatusException(SnmpStatusException.noSuchInstance);
|
||||
|
||||
// Get the request contextual cache (userData).
|
||||
//
|
||||
final Map<Object, Object> m = JvmContextFactory.getUserData();
|
||||
|
||||
// We know in the case of this table that the index is composed
|
||||
// of two integers,
|
||||
// o The MemoryManager is the first OID arc of the index OID.
|
||||
// o The MemoryPool is the second OID arc of the index OID.
|
||||
//
|
||||
final long mgrIndex = oid.getOidArc(0);
|
||||
final long poolIndex = oid.getOidArc(1);
|
||||
|
||||
// We're going to use this name to store/retrieve the entry in
|
||||
// the request contextual cache.
|
||||
//
|
||||
// Revisit: Probably better programming to put all these strings
|
||||
// in some interface.
|
||||
//
|
||||
final String entryTag = ((m==null)?null:
|
||||
("JvmMemMgrPoolRelTable.entry." +
|
||||
mgrIndex + "." + poolIndex));
|
||||
|
||||
// If the entry is in the cache, simply return it.
|
||||
//
|
||||
if (m != null) {
|
||||
final Object entry = m.get(entryTag);
|
||||
if (entry != null) return entry;
|
||||
}
|
||||
|
||||
// The entry was not in the cache, make a new one.
|
||||
//
|
||||
// Get the data hanler.
|
||||
//
|
||||
SnmpTableHandler handler = getHandler(m);
|
||||
|
||||
// handler should never be null.
|
||||
//
|
||||
if (handler == null)
|
||||
throw new SnmpStatusException(SnmpStatusException.noSuchInstance);
|
||||
|
||||
// Get the data associated with our entry.
|
||||
//
|
||||
final Object data = handler.getData(oid);
|
||||
|
||||
// data may be null if the OID we were given is not valid.
|
||||
//
|
||||
if (!(data instanceof JvmMemMgrPoolRelEntryImpl))
|
||||
throw new SnmpStatusException(SnmpStatusException.noSuchInstance);
|
||||
|
||||
// make the new entry (transient object that will be kept only
|
||||
// for the duration of the request.
|
||||
//
|
||||
final Object entry = (JvmMemMgrPoolRelEntryImpl)data;
|
||||
// XXXXX Revisit
|
||||
// new JvmMemMgrPoolRelEntryImpl((MemoryManagerMXBean)data,
|
||||
// (int)mgrIndex,(int)poolIndex);
|
||||
|
||||
// Put the entry in the cache in case we need it later while processing
|
||||
// the request.
|
||||
//
|
||||
if (m != null && entry != null) {
|
||||
m.put(entryTag,entry);
|
||||
}
|
||||
|
||||
return entry;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the SnmpTableHandler that holds the jvmMemManagerTable data.
|
||||
* First look it up in the request contextual cache, and if it is
|
||||
* not found, obtain it from the weak cache.
|
||||
* <br>The request contextual cache will be released at the end of the
|
||||
* current requests, and is used only to process this request.
|
||||
* <br>The weak cache is shared by all requests, and is only
|
||||
* recomputed when it is found to be obsolete.
|
||||
* <br>Note that the data put in the request contextual cache is
|
||||
* never considered to be obsolete, in order to preserve data
|
||||
* coherency.
|
||||
**/
|
||||
protected SnmpTableHandler getHandler(Object userData) {
|
||||
final Map<Object, Object> m;
|
||||
if (userData instanceof Map) m=Util.cast(userData);
|
||||
else m=null;
|
||||
|
||||
// Look in the contextual cache.
|
||||
if (m != null) {
|
||||
final SnmpTableHandler handler =
|
||||
(SnmpTableHandler)m.get("JvmMemMgrPoolRelTable.handler");
|
||||
if (handler != null) return handler;
|
||||
}
|
||||
|
||||
// No handler in contextual cache, make a new one.
|
||||
final SnmpTableHandler handler = cache.getTableHandler();
|
||||
|
||||
if (m != null && handler != null )
|
||||
m.put("JvmMemMgrPoolRelTable.handler",handler);
|
||||
|
||||
return handler;
|
||||
}
|
||||
|
||||
static final MibLogger log =
|
||||
new MibLogger(JvmMemMgrPoolRelTableMetaImpl.class);
|
||||
}
|
||||
Reference in New Issue
Block a user