| /* |
| * Copyright (c) 1998, 2013, 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 com.sun.jmx.snmp.daemon; |
| |
| // java imports |
| // |
| import java.util.logging.Level; |
| import java.util.Vector; |
| |
| // jmx imports |
| // |
| import com.sun.jmx.snmp.SnmpEngine; |
| import com.sun.jmx.snmp.SnmpPdu; |
| import com.sun.jmx.snmp.SnmpValue; |
| import com.sun.jmx.snmp.SnmpVarBind; |
| import com.sun.jmx.snmp.SnmpVarBindList; |
| import com.sun.jmx.snmp.SnmpOid; |
| import com.sun.jmx.snmp.SnmpDefinitions; |
| import com.sun.jmx.snmp.SnmpStatusException; |
| // SNMP Runtime import |
| // |
| import static com.sun.jmx.defaults.JmxProperties.SNMP_ADAPTOR_LOGGER; |
| import com.sun.jmx.snmp.agent.SnmpMibAgent; |
| import com.sun.jmx.snmp.agent.SnmpMibRequest; |
| import com.sun.jmx.snmp.daemon.SnmpAdaptorServer; |
| import com.sun.jmx.snmp.internal.SnmpIncomingRequest; |
| |
| /* NPCTE fix for bugId 4492741, esc 0 */ |
| import com.sun.jmx.snmp.ThreadContext; |
| /* end of NPCTE fix for bugId 4492741 */ |
| |
| class SnmpSubNextRequestHandler extends SnmpSubRequestHandler { |
| private SnmpAdaptorServer server = null; |
| /** |
| * The constructor initialize the subrequest with the whole varbind |
| * list contained in the original request. |
| */ |
| protected SnmpSubNextRequestHandler(SnmpAdaptorServer server, |
| SnmpMibAgent agent, |
| SnmpPdu req) { |
| super(agent,req); |
| init(req, server); |
| } |
| |
| protected SnmpSubNextRequestHandler(SnmpEngine engine, |
| SnmpAdaptorServer server, |
| SnmpIncomingRequest incRequest, |
| SnmpMibAgent agent, |
| SnmpPdu req) { |
| super(engine, incRequest, agent, req); |
| init(req, server); |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpSubNextRequestHandler.class.getName(), |
| "SnmpSubNextRequestHandler", "Constructor : " + this); |
| } |
| } |
| |
| private void init(SnmpPdu req, SnmpAdaptorServer server) { |
| this.server = server; |
| |
| // The translation table is easy in this case ... |
| // |
| final int max= translation.length; |
| final SnmpVarBind[] list= req.varBindList; |
| final NonSyncVector<SnmpVarBind> nonSyncVarBind = |
| ((NonSyncVector<SnmpVarBind>)varBind); |
| for(int i=0; i < max; i++) { |
| translation[i]= i; |
| // we need to allocate a new SnmpVarBind. Otherwise the first |
| // sub request will modify the list... |
| // |
| final SnmpVarBind newVarBind = |
| new SnmpVarBind(list[i].oid, list[i].value); |
| nonSyncVarBind.addNonSyncElement(newVarBind); |
| } |
| } |
| |
| public void run() { |
| |
| try { |
| /* NPCTE fix for bugId 4492741, esc 0, 16-August-2001 */ |
| final ThreadContext oldContext = |
| ThreadContext.push("SnmpUserData",data); |
| try { |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINER, SnmpSubRequestHandler.class.getName(), |
| "run", "[" + Thread.currentThread() + |
| "]:getNext operation on " + agent.getMibName()); |
| } |
| |
| // Always call with V2. So the merge of the responses will |
| // be easier. |
| // |
| agent.getNext(createMibRequest(varBind, snmpVersionTwo, data)); |
| } finally { |
| ThreadContext.restore(oldContext); |
| } |
| /* end of NPCTE fix for bugId 4492741 */ |
| |
| |
| } catch(SnmpStatusException x) { |
| errorStatus = x.getStatus() ; |
| errorIndex= x.getErrorIndex(); |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpSubRequestHandler.class.getName(), |
| "run", "[" + Thread.currentThread() + |
| "]:an Snmp error occurred during the operation", x); |
| } |
| } |
| catch(Exception x) { |
| errorStatus = SnmpDefinitions.snmpRspGenErr ; |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpSubRequestHandler.class.getName(), |
| "run", "[" + Thread.currentThread() + |
| "]:a generic error occurred during the operation", x); |
| } |
| } |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINER, SnmpSubRequestHandler.class.getName(), |
| "run", "[" + Thread.currentThread() + "]:operation completed"); |
| } |
| } |
| |
| /** |
| * The method updates the varbind list of the subrequest. |
| */ |
| protected void updateRequest(SnmpVarBind var, int pos) { |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpSubRequestHandler.class.getName(), |
| "updateRequest", "Copy :" + var); |
| } |
| int size= varBind.size(); |
| translation[size]= pos; |
| final SnmpVarBind newVarBind = |
| new SnmpVarBind(var.oid, var.value); |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpSubRequestHandler.class.getName(), |
| "updateRequest", "Copied :" + newVarBind); |
| } |
| |
| varBind.addElement(newVarBind); |
| } |
| /** |
| * The method updates a given var bind list with the result of a |
| * previsouly invoked operation. |
| * Prior to calling the method, one must make sure that the operation was |
| * successful. As such the method getErrorIndex or getErrorStatus should be |
| * called. |
| */ |
| protected void updateResult(SnmpVarBind[] result) { |
| |
| final int max=varBind.size(); |
| for(int i= 0; i< max ; i++) { |
| // May be we should control the position ... |
| // |
| final int index= translation[i]; |
| final SnmpVarBind elmt= |
| (SnmpVarBind)((NonSyncVector)varBind).elementAtNonSync(i); |
| |
| final SnmpVarBind vb= result[index]; |
| if (vb == null) { |
| result[index]= elmt; |
| /* NPCTE fix for bugid 4381195 esc 0. <J.C.> < 17-Oct-2000> */ |
| // if ((elmt != null) && (elmt.value == null) && |
| // (version == snmpVersionTwo)) |
| // elmt.value = SnmpVarBind.endOfMibView; |
| /* end of NPCTE fix for bugid 4381195 */ |
| continue; |
| } |
| |
| final SnmpValue val= vb.value; |
| if ((val == null)|| (val == SnmpVarBind.endOfMibView)){ |
| /* NPCTE fix for bugid 4381195 esc 0. <J.C.> < 17-Oct-2000> */ |
| if ((elmt != null) && |
| (elmt.value != SnmpVarBind.endOfMibView)) |
| result[index]= elmt; |
| // else if ((val == null) && (version == snmpVersionTwo)) |
| // vb.value = SnmpVarBind.endOfMibView; |
| continue; |
| /* end of NPCTE fix for bugid 4381195 */ |
| } |
| |
| /* NPCTE fix for bugid 4381195 esc 0. <J.C.> < 17-Oct-2000> */ |
| if (elmt == null) continue; |
| /* end of NPCTE fix for bugid 4381195 */ |
| |
| if (elmt.value == SnmpVarBind.endOfMibView) continue; |
| |
| |
| // Now we need to take the smallest oid ... |
| // |
| int comp = elmt.oid.compareTo(vb.oid); |
| if (comp < 0) { |
| // Take the smallest (lexicographically) |
| // |
| result[index]= elmt; |
| } |
| else { |
| if(comp == 0) { |
| // Must compare agent used for reply |
| // Take the deeper within the reply |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINER, SnmpSubRequestHandler.class.getName(), |
| "updateResult"," oid overlapping. Oid : " + |
| elmt.oid + "value :" + elmt.value); |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINER, SnmpSubRequestHandler.class.getName(), |
| "updateResult","Already present varBind : " + |
| vb); |
| } |
| |
| SnmpOid oid = vb.oid; |
| SnmpMibAgent deeperAgent = server.getAgentMib(oid); |
| |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINER, SnmpSubRequestHandler.class.getName(), |
| "updateResult","Deeper agent : " + deeperAgent); |
| } |
| if(deeperAgent == agent) { |
| if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) { |
| SNMP_ADAPTOR_LOGGER.logp(Level.FINER, SnmpSubRequestHandler.class.getName(), |
| "updateResult","The current agent is the deeper one. Update the value with the current one"); |
| } |
| result[index].value = elmt.value; |
| } |
| |
| /* |
| Vector v = new Vector(); |
| SnmpMibRequest getReq = createMibRequest(v, |
| version, |
| null); |
| SnmpVarBind realValue = new SnmpVarBind(oid); |
| getReq.addVarBind(realValue); |
| try { |
| deeperAgent.get(getReq); |
| } catch(SnmpStatusException e) { |
| e.printStackTrace(); |
| } |
| |
| if(isDebugOn()) |
| trace("updateResult", "Biggest priority value is : " + |
| realValue.value); |
| |
| result[index].value = realValue.value; |
| */ |
| } |
| } |
| } |
| } |
| } |
