--- a/jdk/src/jdk.snmp/share/classes/sun/management/snmp/jvminstr/JvmRTLibraryPathTableMetaImpl.java Thu Oct 23 11:19:17 2014 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,300 +0,0 @@
-/*
- * Copyright (c) 2004, 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.util.List;
-import java.util.Map;
-
-// jmx imports
-//
-import javax.management.MBeanServer;
-import javax.management.ObjectName;
-import com.sun.jmx.snmp.SnmpCounter;
-import com.sun.jmx.snmp.SnmpCounter64;
-import com.sun.jmx.snmp.SnmpGauge;
-import com.sun.jmx.snmp.SnmpInt;
-import com.sun.jmx.snmp.SnmpUnsignedInt;
-import com.sun.jmx.snmp.SnmpIpAddress;
-import com.sun.jmx.snmp.SnmpTimeticks;
-import com.sun.jmx.snmp.SnmpOpaque;
-import com.sun.jmx.snmp.SnmpString;
-import com.sun.jmx.snmp.SnmpStringFixed;
-import com.sun.jmx.snmp.SnmpOid;
-import com.sun.jmx.snmp.SnmpNull;
-import com.sun.jmx.snmp.SnmpValue;
-import com.sun.jmx.snmp.SnmpVarBind;
-import com.sun.jmx.snmp.SnmpStatusException;
-
-// jdmk imports
-//
-import com.sun.jmx.snmp.agent.SnmpIndex;
-import com.sun.jmx.snmp.agent.SnmpMib;
-import com.sun.jmx.snmp.agent.SnmpMibTable;
-import com.sun.jmx.snmp.agent.SnmpMibSubRequest;
-import com.sun.jmx.snmp.agent.SnmpStandardObjectServer;
-
-import sun.management.snmp.jvmmib.JvmRTLibraryPathTableMeta;
-import sun.management.snmp.util.SnmpCachedData;
-import sun.management.snmp.util.SnmpTableCache;
-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 "JvmRTLibraryPathTable".
- */
-public class JvmRTLibraryPathTableMetaImpl extends JvmRTLibraryPathTableMeta {
-
- static final long serialVersionUID = 6713252710712502068L;
- private SnmpTableCache cache;
-
- /**
- * A concrete implementation of {@link SnmpTableCache}, for the
- * JvmRTLibraryPathTable.
- **/
- private static class JvmRTLibraryPathTableCache extends SnmpTableCache {
- static final long serialVersionUID = 2035304445719393195L;
- private JvmRTLibraryPathTableMetaImpl meta;
-
- JvmRTLibraryPathTableCache(JvmRTLibraryPathTableMetaImpl meta,
- long validity) {
- this.meta = meta;
- this.validity = validity;
- }
-
- /**
- * Call <code>getTableDatas(JvmContextFactory.getUserData())</code>.
- **/
- public SnmpTableHandler getTableHandler() {
- final Map<Object,Object> userData = JvmContextFactory.getUserData();
- return getTableDatas(userData);
- }
-
-
- /**
- * Return a table handler containing the Thread indexes.
- * Indexes are computed from the ThreadId.
- **/
- protected SnmpCachedData updateCachedDatas(Object userData) {
-
-
- // We are getting all the input args
- final String[] path =
- JvmRuntimeImpl.getLibraryPath(userData);
-
- // Time stamp for the cache
- final long time = System.currentTimeMillis();
- final int len = path.length;
-
- SnmpOid indexes[] = new SnmpOid[len];
-
- for(int i = 0; i < len; i++) {
- indexes[i] = new SnmpOid(i + 1);
- }
-
- return new SnmpCachedData(time, indexes, path);
- }
- }
-
- /**
- * Constructor for the table. Initialize metadata for
- * "JvmRTLibraryPathTableMeta".
- * The reference on the MBean server is updated so the entries
- * created through an SNMP SET will be AUTOMATICALLY REGISTERED
- * in Java DMK.
- */
- public JvmRTLibraryPathTableMetaImpl(SnmpMib myMib,
- SnmpStandardObjectServer objserv) {
- super(myMib, objserv);
- cache = new JvmRTLibraryPathTableCache(this, -1);
- }
-
- // 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 {
- final boolean dbg = log.isDebugOn();
- if (dbg) log.debug("getEntry", "oid [" + oid + "]");
- if (oid == null || oid.getLength() != 1) {
- if (dbg) log.debug("getEntry", "Invalid oid [" + oid + "]");
- throw new SnmpStatusException(SnmpStatusException.noSuchInstance);
- }
-
- // Get the request contextual cache (userData).
- //
- final Map<Object, Object> m = JvmContextFactory.getUserData();
-
- // 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:
- ("JvmRTLibraryPathTable.entry." +
- oid.toString()));
-
- // If the entry is in the cache, simply return it.
- //
- if (m != null) {
- final Object entry = m.get(entryTag);
- if (entry != null) {
- if (dbg)
- log.debug("getEntry", "Entry is already in the cache");
- return entry;
- } else if (dbg) log.debug("getEntry", "Entry is not in the cache");
-
- }
-
- // 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 == null)
- throw new SnmpStatusException(SnmpStatusException.noSuchInstance);
-
- // make the new entry (transient object that will be kept only
- // for the duration of the request.
- //
- if (dbg) log.debug("getEntry","data is a: "+
- data.getClass().getName());
- final Object entry =
- new JvmRTLibraryPathEntryImpl((String) data,(int)oid.getOidArc(0));
-
- // 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 jvmThreadInstanceTable 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("JvmRTLibraryPathTable.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("JvmRTLibraryPathTable.handler",handler);
-
- return handler;
- }
-
- static final MibLogger log =
- new MibLogger(JvmRTLibraryPathTableMetaImpl.class);
-}