com.sun.jmx.snmp.SnmpPduBulk Java Examples

The following examples show how to use com.sun.jmx.snmp.SnmpPduBulk. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SnmpRequestHandler.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #2
Source File: SnmpRequestHandler.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #3
Source File: SnmpRequestHandler.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #4
Source File: SnmpRequestHandler.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #5
Source File: SnmpRequestHandler.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #6
Source File: SnmpRequestHandler.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #7
Source File: SnmpRequestHandler.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #8
Source File: SnmpRequestHandler.java    From JDKSourceCode1.8 with MIT License 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #9
Source File: SnmpRequestHandler.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #10
Source File: SnmpRequestHandler.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #11
Source File: SnmpRequestHandler.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #12
Source File: SnmpRequestHandler.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #13
Source File: SnmpRequestHandler.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #14
Source File: SnmpRequestHandler.java    From jdk1.8-source-analysis with Apache License 2.0 6 votes vote down vote up 
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
Example #15
Source File: SnmpRequestHandler.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make a response pdu from a request pdu.
 * We return null if there is no pdu to reply.
 */
private SnmpPduPacket makeResponsePdu(SnmpPduPacket reqPdu,
                                      Object userData) {

    SnmpAdaptorServer snmpServer = (SnmpAdaptorServer)adaptorServer ;
    SnmpPduPacket respPdu = null ;

    snmpServer.updateRequestCounters(reqPdu.type) ;
    if (reqPdu.varBindList != null)
        snmpServer.updateVarCounters(reqPdu.type,
                                     reqPdu.varBindList.length) ;

    if (checkPduType(reqPdu)) {
        respPdu = checkAcl(reqPdu) ;
        if (respPdu == null) { // reqPdu is accepted by ACLs
            if (mibs.size() < 1) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
                       "makeResponsePdu", "Request " + reqPdu.requestId +
                       " received but no MIB registered.");
                }
                return makeNoMibErrorPdu((SnmpPduRequest)reqPdu, userData);
            }
            switch(reqPdu.type) {
            case SnmpPduPacket.pduGetRequestPdu:
            case SnmpPduPacket.pduGetNextRequestPdu:
            case SnmpPduPacket.pduSetRequestPdu:
                respPdu = makeGetSetResponsePdu((SnmpPduRequest)reqPdu,
                                                userData) ;
                break ;

            case SnmpPduPacket.pduGetBulkRequestPdu:
                respPdu = makeGetBulkResponsePdu((SnmpPduBulk)reqPdu,
                                                 userData) ;
                break ;
            }
        }
        else { // reqPdu is rejected by ACLs
            // respPdu contains the error response to be sent.
            // We send this response only if authResEnabled is true.
            if (!snmpServer.getAuthRespEnabled()) { // No response should be sent
                respPdu = null ;
            }
            if (snmpServer.getAuthTrapEnabled()) { // A trap must be sent
                try {
                    snmpServer.snmpV1Trap(SnmpPduTrap.
                                          trapAuthenticationFailure, 0,
                                          new SnmpVarBindList()) ;
                }
                catch(Exception x) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                           "makeResponsePdu", "Failure when sending authentication trap", x);
                    }
                }
            }
        }
    }
    return respPdu ;
}
Example #16
Source File: SnmpRequestHandler.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make the response pdu for a bulk request.
 * At this level, the result is never null.
 */
private SnmpPduPacket makeGetBulkResponsePdu(SnmpPduBulk req,
                                             Object userData) {

    SnmpVarBind[] respVarBindList;

    // RFC 1905, Section 4.2.3, p14
    int L = req.varBindList.length ;
    int N = Math.max(Math.min(req.nonRepeaters, L), 0) ;
    int M = Math.max(req.maxRepetitions, 0) ;
    int R = L - N ;

    if (req.varBindList == null) {
        // Good ! Let's make a full response pdu.
        //
        return newValidResponsePdu(req, null) ;
    }

    // Split the request into subrequests.
    //
    splitBulkRequest(req, N, M, R);
    SnmpPduPacket result= executeSubRequest(req,userData);
    if (result != null)
        return result;

    respVarBindList= mergeBulkResponses(N + (M * R));

    // Now we remove useless trailing endOfMibView.
    //
    int m2 ; // respVarBindList[m2] item and next are going to be removed
    int t = respVarBindList.length ;
    while ((t > N) && (respVarBindList[t-1].
                       value.equals(SnmpVarBind.endOfMibView))) {
        t-- ;
    }
    if (t == N)
        m2 = N + R ;
    else
        m2 = N + ((t -1 -N) / R + 2) * R ; // Trivial, of course...
    if (m2 < respVarBindList.length) {
        SnmpVarBind[] truncatedList = new SnmpVarBind[m2] ;
        for (int i = 0 ; i < m2 ; i++) {
            truncatedList[i] = respVarBindList[i] ;
        }
        respVarBindList = truncatedList ;
    }

    // Good ! Let's make a full response pdu.
    //
    return newValidResponsePdu(req, respVarBindList) ;
}
Example #17
Source File: SnmpRequestHandler.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make a response pdu from a request pdu.
 * We return null if there is no pdu to reply.
 */
private SnmpPduPacket makeResponsePdu(SnmpPduPacket reqPdu,
                                      Object userData) {

    SnmpAdaptorServer snmpServer = (SnmpAdaptorServer)adaptorServer ;
    SnmpPduPacket respPdu = null ;

    snmpServer.updateRequestCounters(reqPdu.type) ;
    if (reqPdu.varBindList != null)
        snmpServer.updateVarCounters(reqPdu.type,
                                     reqPdu.varBindList.length) ;

    if (checkPduType(reqPdu)) {
        respPdu = checkAcl(reqPdu) ;
        if (respPdu == null) { // reqPdu is accepted by ACLs
            if (mibs.size() < 1) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
                       "makeResponsePdu", "Request " + reqPdu.requestId +
                       " received but no MIB registered.");
                }
                return makeNoMibErrorPdu((SnmpPduRequest)reqPdu, userData);
            }
            switch(reqPdu.type) {
            case SnmpPduPacket.pduGetRequestPdu:
            case SnmpPduPacket.pduGetNextRequestPdu:
            case SnmpPduPacket.pduSetRequestPdu:
                respPdu = makeGetSetResponsePdu((SnmpPduRequest)reqPdu,
                                                userData) ;
                break ;

            case SnmpPduPacket.pduGetBulkRequestPdu:
                respPdu = makeGetBulkResponsePdu((SnmpPduBulk)reqPdu,
                                                 userData) ;
                break ;
            }
        }
        else { // reqPdu is rejected by ACLs
            // respPdu contains the error response to be sent.
            // We send this response only if authResEnabled is true.
            if (!snmpServer.getAuthRespEnabled()) { // No response should be sent
                respPdu = null ;
            }
            if (snmpServer.getAuthTrapEnabled()) { // A trap must be sent
                try {
                    snmpServer.snmpV1Trap(SnmpPduTrap.
                                          trapAuthenticationFailure, 0,
                                          new SnmpVarBindList()) ;
                }
                catch(Exception x) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                           "makeResponsePdu", "Failure when sending authentication trap", x);
                    }
                }
            }
        }
    }
    return respPdu ;
}
Example #18
Source File: SnmpRequestHandler.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make the response pdu for a bulk request.
 * At this level, the result is never null.
 */
private SnmpPduPacket makeGetBulkResponsePdu(SnmpPduBulk req,
                                             Object userData) {

    SnmpVarBind[] respVarBindList;

    // RFC 1905, Section 4.2.3, p14
    int L = req.varBindList.length ;
    int N = Math.max(Math.min(req.nonRepeaters, L), 0) ;
    int M = Math.max(req.maxRepetitions, 0) ;
    int R = L - N ;

    if (req.varBindList == null) {
        // Good ! Let's make a full response pdu.
        //
        return newValidResponsePdu(req, null) ;
    }

    // Split the request into subrequests.
    //
    splitBulkRequest(req, N, M, R);
    SnmpPduPacket result= executeSubRequest(req,userData);
    if (result != null)
        return result;

    respVarBindList= mergeBulkResponses(N + (M * R));

    // Now we remove useless trailing endOfMibView.
    //
    int m2 ; // respVarBindList[m2] item and next are going to be removed
    int t = respVarBindList.length ;
    while ((t > N) && (respVarBindList[t-1].
                       value.equals(SnmpVarBind.endOfMibView))) {
        t-- ;
    }
    if (t == N)
        m2 = N + R ;
    else
        m2 = N + ((t -1 -N) / R + 2) * R ; // Trivial, of course...
    if (m2 < respVarBindList.length) {
        SnmpVarBind[] truncatedList = new SnmpVarBind[m2] ;
        for (int i = 0 ; i < m2 ; i++) {
            truncatedList[i] = respVarBindList[i] ;
        }
        respVarBindList = truncatedList ;
    }

    // Good ! Let's make a full response pdu.
    //
    return newValidResponsePdu(req, respVarBindList) ;
}
Example #19
Source File: SnmpRequestHandler.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make the response pdu for a bulk request.
 * At this level, the result is never null.
 */
private SnmpPduPacket makeGetBulkResponsePdu(SnmpPduBulk req,
                                             Object userData) {

    SnmpVarBind[] respVarBindList;

    // RFC 1905, Section 4.2.3, p14
    int L = req.varBindList.length ;
    int N = Math.max(Math.min(req.nonRepeaters, L), 0) ;
    int M = Math.max(req.maxRepetitions, 0) ;
    int R = L - N ;

    if (req.varBindList == null) {
        // Good ! Let's make a full response pdu.
        //
        return newValidResponsePdu(req, null) ;
    }

    // Split the request into subrequests.
    //
    splitBulkRequest(req, N, M, R);
    SnmpPduPacket result= executeSubRequest(req,userData);
    if (result != null)
        return result;

    respVarBindList= mergeBulkResponses(N + (M * R));

    // Now we remove useless trailing endOfMibView.
    //
    int m2 ; // respVarBindList[m2] item and next are going to be removed
    int t = respVarBindList.length ;
    while ((t > N) && (respVarBindList[t-1].
                       value.equals(SnmpVarBind.endOfMibView))) {
        t-- ;
    }
    if (t == N)
        m2 = N + R ;
    else
        m2 = N + ((t -1 -N) / R + 2) * R ; // Trivial, of course...
    if (m2 < respVarBindList.length) {
        SnmpVarBind[] truncatedList = new SnmpVarBind[m2] ;
        for (int i = 0 ; i < m2 ; i++) {
            truncatedList[i] = respVarBindList[i] ;
        }
        respVarBindList = truncatedList ;
    }

    // Good ! Let's make a full response pdu.
    //
    return newValidResponsePdu(req, respVarBindList) ;
}
Example #20
Source File: SnmpRequestHandler.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make a response pdu from a request pdu.
 * We return null if there is no pdu to reply.
 */
private SnmpPduPacket makeResponsePdu(SnmpPduPacket reqPdu,
                                      Object userData) {

    SnmpAdaptorServer snmpServer = (SnmpAdaptorServer)adaptorServer ;
    SnmpPduPacket respPdu = null ;

    snmpServer.updateRequestCounters(reqPdu.type) ;
    if (reqPdu.varBindList != null)
        snmpServer.updateVarCounters(reqPdu.type,
                                     reqPdu.varBindList.length) ;

    if (checkPduType(reqPdu)) {
        respPdu = checkAcl(reqPdu) ;
        if (respPdu == null) { // reqPdu is accepted by ACLs
            if (mibs.size() < 1) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
                       "makeResponsePdu", "Request " + reqPdu.requestId +
                       " received but no MIB registered.");
                }
                return makeNoMibErrorPdu((SnmpPduRequest)reqPdu, userData);
            }
            switch(reqPdu.type) {
            case SnmpPduPacket.pduGetRequestPdu:
            case SnmpPduPacket.pduGetNextRequestPdu:
            case SnmpPduPacket.pduSetRequestPdu:
                respPdu = makeGetSetResponsePdu((SnmpPduRequest)reqPdu,
                                                userData) ;
                break ;

            case SnmpPduPacket.pduGetBulkRequestPdu:
                respPdu = makeGetBulkResponsePdu((SnmpPduBulk)reqPdu,
                                                 userData) ;
                break ;
            }
        }
        else { // reqPdu is rejected by ACLs
            // respPdu contains the error response to be sent.
            // We send this response only if authResEnabled is true.
            if (!snmpServer.getAuthRespEnabled()) { // No response should be sent
                respPdu = null ;
            }
            if (snmpServer.getAuthTrapEnabled()) { // A trap must be sent
                try {
                    snmpServer.snmpV1Trap(SnmpPduTrap.
                                          trapAuthenticationFailure, 0,
                                          new SnmpVarBindList()) ;
                }
                catch(Exception x) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                           "makeResponsePdu", "Failure when sending authentication trap", x);
                    }
                }
            }
        }
    }
    return respPdu ;
}
Example #21
Source File: SnmpRequestHandler.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make a response pdu from a request pdu.
 * We return null if there is no pdu to reply.
 */
private SnmpPduPacket makeResponsePdu(SnmpPduPacket reqPdu,
                                      Object userData) {

    SnmpAdaptorServer snmpServer = (SnmpAdaptorServer)adaptorServer ;
    SnmpPduPacket respPdu = null ;

    snmpServer.updateRequestCounters(reqPdu.type) ;
    if (reqPdu.varBindList != null)
        snmpServer.updateVarCounters(reqPdu.type,
                                     reqPdu.varBindList.length) ;

    if (checkPduType(reqPdu)) {
        respPdu = checkAcl(reqPdu) ;
        if (respPdu == null) { // reqPdu is accepted by ACLs
            if (mibs.size() < 1) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
                       "makeResponsePdu", "Request " + reqPdu.requestId +
                       " received but no MIB registered.");
                }
                return makeNoMibErrorPdu((SnmpPduRequest)reqPdu, userData);
            }
            switch(reqPdu.type) {
            case SnmpPduPacket.pduGetRequestPdu:
            case SnmpPduPacket.pduGetNextRequestPdu:
            case SnmpPduPacket.pduSetRequestPdu:
                respPdu = makeGetSetResponsePdu((SnmpPduRequest)reqPdu,
                                                userData) ;
                break ;

            case SnmpPduPacket.pduGetBulkRequestPdu:
                respPdu = makeGetBulkResponsePdu((SnmpPduBulk)reqPdu,
                                                 userData) ;
                break ;
            }
        }
        else { // reqPdu is rejected by ACLs
            // respPdu contains the error response to be sent.
            // We send this response only if authResEnabled is true.
            if (!snmpServer.getAuthRespEnabled()) { // No response should be sent
                respPdu = null ;
            }
            if (snmpServer.getAuthTrapEnabled()) { // A trap must be sent
                try {
                    snmpServer.snmpV1Trap(SnmpPduTrap.
                                          trapAuthenticationFailure, 0,
                                          new SnmpVarBindList()) ;
                }
                catch(Exception x) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                           "makeResponsePdu", "Failure when sending authentication trap", x);
                    }
                }
            }
        }
    }
    return respPdu ;
}
Example #22
Source File: SnmpRequestHandler.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make the response pdu for a bulk request.
 * At this level, the result is never null.
 */
private SnmpPduPacket makeGetBulkResponsePdu(SnmpPduBulk req,
                                             Object userData) {

    SnmpVarBind[] respVarBindList;

    // RFC 1905, Section 4.2.3, p14
    int L = req.varBindList.length ;
    int N = Math.max(Math.min(req.nonRepeaters, L), 0) ;
    int M = Math.max(req.maxRepetitions, 0) ;
    int R = L - N ;

    if (req.varBindList == null) {
        // Good ! Let's make a full response pdu.
        //
        return newValidResponsePdu(req, null) ;
    }

    // Split the request into subrequests.
    //
    splitBulkRequest(req, N, M, R);
    SnmpPduPacket result= executeSubRequest(req,userData);
    if (result != null)
        return result;

    respVarBindList= mergeBulkResponses(N + (M * R));

    // Now we remove useless trailing endOfMibView.
    //
    int m2 ; // respVarBindList[m2] item and next are going to be removed
    int t = respVarBindList.length ;
    while ((t > N) && (respVarBindList[t-1].
                       value.equals(SnmpVarBind.endOfMibView))) {
        t-- ;
    }
    if (t == N)
        m2 = N + R ;
    else
        m2 = N + ((t -1 -N) / R + 2) * R ; // Trivial, of course...
    if (m2 < respVarBindList.length) {
        SnmpVarBind[] truncatedList = new SnmpVarBind[m2] ;
        for (int i = 0 ; i < m2 ; i++) {
            truncatedList[i] = respVarBindList[i] ;
        }
        respVarBindList = truncatedList ;
    }

    // Good ! Let's make a full response pdu.
    //
    return newValidResponsePdu(req, respVarBindList) ;
}
Example #23
Source File: SnmpRequestHandler.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make the response pdu for a bulk request.
 * At this level, the result is never null.
 */
private SnmpPduPacket makeGetBulkResponsePdu(SnmpPduBulk req,
                                             Object userData) {

    SnmpVarBind[] respVarBindList;

    // RFC 1905, Section 4.2.3, p14
    int L = req.varBindList.length ;
    int N = Math.max(Math.min(req.nonRepeaters, L), 0) ;
    int M = Math.max(req.maxRepetitions, 0) ;
    int R = L - N ;

    if (req.varBindList == null) {
        // Good ! Let's make a full response pdu.
        //
        return newValidResponsePdu(req, null) ;
    }

    // Split the request into subrequests.
    //
    splitBulkRequest(req, N, M, R);
    SnmpPduPacket result= executeSubRequest(req,userData);
    if (result != null)
        return result;

    respVarBindList= mergeBulkResponses(N + (M * R));

    // Now we remove useless trailing endOfMibView.
    //
    int m2 ; // respVarBindList[m2] item and next are going to be removed
    int t = respVarBindList.length ;
    while ((t > N) && (respVarBindList[t-1].
                       value.equals(SnmpVarBind.endOfMibView))) {
        t-- ;
    }
    if (t == N)
        m2 = N + R ;
    else
        m2 = N + ((t -1 -N) / R + 2) * R ; // Trivial, of course...
    if (m2 < respVarBindList.length) {
        SnmpVarBind[] truncatedList = new SnmpVarBind[m2] ;
        for (int i = 0 ; i < m2 ; i++) {
            truncatedList[i] = respVarBindList[i] ;
        }
        respVarBindList = truncatedList ;
    }

    // Good ! Let's make a full response pdu.
    //
    return newValidResponsePdu(req, respVarBindList) ;
}
Example #24
Source File: SnmpRequestHandler.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make a response pdu from a request pdu.
 * We return null if there is no pdu to reply.
 */
private SnmpPduPacket makeResponsePdu(SnmpPduPacket reqPdu,
                                      Object userData) {

    SnmpAdaptorServer snmpServer = (SnmpAdaptorServer)adaptorServer ;
    SnmpPduPacket respPdu = null ;

    snmpServer.updateRequestCounters(reqPdu.type) ;
    if (reqPdu.varBindList != null)
        snmpServer.updateVarCounters(reqPdu.type,
                                     reqPdu.varBindList.length) ;

    if (checkPduType(reqPdu)) {
        respPdu = checkAcl(reqPdu) ;
        if (respPdu == null) { // reqPdu is accepted by ACLs
            if (mibs.size() < 1) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
                       "makeResponsePdu", "Request " + reqPdu.requestId +
                       " received but no MIB registered.");
                }
                return makeNoMibErrorPdu((SnmpPduRequest)reqPdu, userData);
            }
            switch(reqPdu.type) {
            case SnmpPduPacket.pduGetRequestPdu:
            case SnmpPduPacket.pduGetNextRequestPdu:
            case SnmpPduPacket.pduSetRequestPdu:
                respPdu = makeGetSetResponsePdu((SnmpPduRequest)reqPdu,
                                                userData) ;
                break ;

            case SnmpPduPacket.pduGetBulkRequestPdu:
                respPdu = makeGetBulkResponsePdu((SnmpPduBulk)reqPdu,
                                                 userData) ;
                break ;
            }
        }
        else { // reqPdu is rejected by ACLs
            // respPdu contains the error response to be sent.
            // We send this response only if authResEnabled is true.
            if (!snmpServer.getAuthRespEnabled()) { // No response should be sent
                respPdu = null ;
            }
            if (snmpServer.getAuthTrapEnabled()) { // A trap must be sent
                try {
                    snmpServer.snmpV1Trap(SnmpPduTrap.
                                          trapAuthenticationFailure, 0,
                                          new SnmpVarBindList()) ;
                }
                catch(Exception x) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                           "makeResponsePdu", "Failure when sending authentication trap", x);
                    }
                }
            }
        }
    }
    return respPdu ;
}
Example #25
Source File: SnmpRequestHandler.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make a response pdu from a request pdu.
 * We return null if there is no pdu to reply.
 */
private SnmpPduPacket makeResponsePdu(SnmpPduPacket reqPdu,
                                      Object userData) {

    SnmpAdaptorServer snmpServer = (SnmpAdaptorServer)adaptorServer ;
    SnmpPduPacket respPdu = null ;

    snmpServer.updateRequestCounters(reqPdu.type) ;
    if (reqPdu.varBindList != null)
        snmpServer.updateVarCounters(reqPdu.type,
                                     reqPdu.varBindList.length) ;

    if (checkPduType(reqPdu)) {
        respPdu = checkAcl(reqPdu) ;
        if (respPdu == null) { // reqPdu is accepted by ACLs
            if (mibs.size() < 1) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
                       "makeResponsePdu", "Request " + reqPdu.requestId +
                       " received but no MIB registered.");
                }
                return makeNoMibErrorPdu((SnmpPduRequest)reqPdu, userData);
            }
            switch(reqPdu.type) {
            case SnmpPduPacket.pduGetRequestPdu:
            case SnmpPduPacket.pduGetNextRequestPdu:
            case SnmpPduPacket.pduSetRequestPdu:
                respPdu = makeGetSetResponsePdu((SnmpPduRequest)reqPdu,
                                                userData) ;
                break ;

            case SnmpPduPacket.pduGetBulkRequestPdu:
                respPdu = makeGetBulkResponsePdu((SnmpPduBulk)reqPdu,
                                                 userData) ;
                break ;
            }
        }
        else { // reqPdu is rejected by ACLs
            // respPdu contains the error response to be sent.
            // We send this response only if authResEnabled is true.
            if (!snmpServer.getAuthRespEnabled()) { // No response should be sent
                respPdu = null ;
            }
            if (snmpServer.getAuthTrapEnabled()) { // A trap must be sent
                try {
                    snmpServer.snmpV1Trap(SnmpPduTrap.
                                          trapAuthenticationFailure, 0,
                                          new SnmpVarBindList()) ;
                }
                catch(Exception x) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                           "makeResponsePdu", "Failure when sending authentication trap", x);
                    }
                }
            }
        }
    }
    return respPdu ;
}
Example #26
Source File: SnmpRequestHandler.java    From JDKSourceCode1.8 with MIT License 4 votes vote down vote up 
/**
 * Here we make the response pdu for a bulk request.
 * At this level, the result is never null.
 */
private SnmpPduPacket makeGetBulkResponsePdu(SnmpPduBulk req,
                                             Object userData) {

    SnmpVarBind[] respVarBindList;

    // RFC 1905, Section 4.2.3, p14
    int L = req.varBindList.length ;
    int N = Math.max(Math.min(req.nonRepeaters, L), 0) ;
    int M = Math.max(req.maxRepetitions, 0) ;
    int R = L - N ;

    if (req.varBindList == null) {
        // Good ! Let's make a full response pdu.
        //
        return newValidResponsePdu(req, null) ;
    }

    // Split the request into subrequests.
    //
    splitBulkRequest(req, N, M, R);
    SnmpPduPacket result= executeSubRequest(req,userData);
    if (result != null)
        return result;

    respVarBindList= mergeBulkResponses(N + (M * R));

    // Now we remove useless trailing endOfMibView.
    //
    int m2 ; // respVarBindList[m2] item and next are going to be removed
    int t = respVarBindList.length ;
    while ((t > N) && (respVarBindList[t-1].
                       value.equals(SnmpVarBind.endOfMibView))) {
        t-- ;
    }
    if (t == N)
        m2 = N + R ;
    else
        m2 = N + ((t -1 -N) / R + 2) * R ; // Trivial, of course...
    if (m2 < respVarBindList.length) {
        SnmpVarBind[] truncatedList = new SnmpVarBind[m2] ;
        for (int i = 0 ; i < m2 ; i++) {
            truncatedList[i] = respVarBindList[i] ;
        }
        respVarBindList = truncatedList ;
    }

    // Good ! Let's make a full response pdu.
    //
    return newValidResponsePdu(req, respVarBindList) ;
}
Example #27
Source File: SnmpRequestHandler.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up 
/**
 * Here we make the response pdu for a bulk request.
 * At this level, the result is never null.
 */
private SnmpPduPacket makeGetBulkResponsePdu(SnmpPduBulk req,
                                             Object userData) {

    SnmpVarBind[] respVarBindList;

    // RFC 1905, Section 4.2.3, p14
    int L = req.varBindList.length ;
    int N = Math.max(Math.min(req.nonRepeaters, L), 0) ;
    int M = Math.max(req.maxRepetitions, 0) ;
    int R = L - N ;

    if (req.varBindList == null) {
        // Good ! Let's make a full response pdu.
        //
        return newValidResponsePdu(req, null) ;
    }

    // Split the request into subrequests.
    //
    splitBulkRequest(req, N, M, R);
    SnmpPduPacket result= executeSubRequest(req,userData);
    if (result != null)
        return result;

    respVarBindList= mergeBulkResponses(N + (M * R));

    // Now we remove useless trailing endOfMibView.
    //
    int m2 ; // respVarBindList[m2] item and next are going to be removed
    int t = respVarBindList.length ;
    while ((t > N) && (respVarBindList[t-1].
                       value.equals(SnmpVarBind.endOfMibView))) {
        t-- ;
    }
    if (t == N)
        m2 = N + R ;
    else
        m2 = N + ((t -1 -N) / R + 2) * R ; // Trivial, of course...
    if (m2 < respVarBindList.length) {
        SnmpVarBind[] truncatedList = new SnmpVarBind[m2] ;
        for (int i = 0 ; i < m2 ; i++) {
            truncatedList[i] = respVarBindList[i] ;
        }
        respVarBindList = truncatedList ;
    }

    // Good ! Let's make a full response pdu.
    //
    return newValidResponsePdu(req, respVarBindList) ;
}
Example #28
Source File: SnmpRequestHandler.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make a response pdu from a request pdu.
 * We return null if there is no pdu to reply.
 */
private SnmpPduPacket makeResponsePdu(SnmpPduPacket reqPdu,
                                      Object userData) {

    SnmpAdaptorServer snmpServer = (SnmpAdaptorServer)adaptorServer ;
    SnmpPduPacket respPdu = null ;

    snmpServer.updateRequestCounters(reqPdu.type) ;
    if (reqPdu.varBindList != null)
        snmpServer.updateVarCounters(reqPdu.type,
                                     reqPdu.varBindList.length) ;

    if (checkPduType(reqPdu)) {
        respPdu = checkAcl(reqPdu) ;
        if (respPdu == null) { // reqPdu is accepted by ACLs
            if (mibs.size() < 1) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
                       "makeResponsePdu", "Request " + reqPdu.requestId +
                       " received but no MIB registered.");
                }
                return makeNoMibErrorPdu((SnmpPduRequest)reqPdu, userData);
            }
            switch(reqPdu.type) {
            case SnmpPduPacket.pduGetRequestPdu:
            case SnmpPduPacket.pduGetNextRequestPdu:
            case SnmpPduPacket.pduSetRequestPdu:
                respPdu = makeGetSetResponsePdu((SnmpPduRequest)reqPdu,
                                                userData) ;
                break ;

            case SnmpPduPacket.pduGetBulkRequestPdu:
                respPdu = makeGetBulkResponsePdu((SnmpPduBulk)reqPdu,
                                                 userData) ;
                break ;
            }
        }
        else { // reqPdu is rejected by ACLs
            // respPdu contains the error response to be sent.
            // We send this response only if authResEnabled is true.
            if (!snmpServer.getAuthRespEnabled()) { // No response should be sent
                respPdu = null ;
            }
            if (snmpServer.getAuthTrapEnabled()) { // A trap must be sent
                try {
                    snmpServer.snmpV1Trap(SnmpPduTrap.
                                          trapAuthenticationFailure, 0,
                                          new SnmpVarBindList()) ;
                }
                catch(Exception x) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                           "makeResponsePdu", "Failure when sending authentication trap", x);
                    }
                }
            }
        }
    }
    return respPdu ;
}
Example #29
Source File: SnmpRequestHandler.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make the response pdu for a bulk request.
 * At this level, the result is never null.
 */
private SnmpPduPacket makeGetBulkResponsePdu(SnmpPduBulk req,
                                             Object userData) {

    SnmpVarBind[] respVarBindList;

    // RFC 1905, Section 4.2.3, p14
    int L = req.varBindList.length ;
    int N = Math.max(Math.min(req.nonRepeaters, L), 0) ;
    int M = Math.max(req.maxRepetitions, 0) ;
    int R = L - N ;

    if (req.varBindList == null) {
        // Good ! Let's make a full response pdu.
        //
        return newValidResponsePdu(req, null) ;
    }

    // Split the request into subrequests.
    //
    splitBulkRequest(req, N, M, R);
    SnmpPduPacket result= executeSubRequest(req,userData);
    if (result != null)
        return result;

    respVarBindList= mergeBulkResponses(N + (M * R));

    // Now we remove useless trailing endOfMibView.
    //
    int m2 ; // respVarBindList[m2] item and next are going to be removed
    int t = respVarBindList.length ;
    while ((t > N) && (respVarBindList[t-1].
                       value.equals(SnmpVarBind.endOfMibView))) {
        t-- ;
    }
    if (t == N)
        m2 = N + R ;
    else
        m2 = N + ((t -1 -N) / R + 2) * R ; // Trivial, of course...
    if (m2 < respVarBindList.length) {
        SnmpVarBind[] truncatedList = new SnmpVarBind[m2] ;
        for (int i = 0 ; i < m2 ; i++) {
            truncatedList[i] = respVarBindList[i] ;
        }
        respVarBindList = truncatedList ;
    }

    // Good ! Let's make a full response pdu.
    //
    return newValidResponsePdu(req, respVarBindList) ;
}
Example #30
Source File: SnmpRequestHandler.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Here we make a response pdu from a request pdu.
 * We return null if there is no pdu to reply.
 */
private SnmpPduPacket makeResponsePdu(SnmpPduPacket reqPdu,
                                      Object userData) {

    SnmpAdaptorServer snmpServer = (SnmpAdaptorServer)adaptorServer ;
    SnmpPduPacket respPdu = null ;

    snmpServer.updateRequestCounters(reqPdu.type) ;
    if (reqPdu.varBindList != null)
        snmpServer.updateVarCounters(reqPdu.type,
                                     reqPdu.varBindList.length) ;

    if (checkPduType(reqPdu)) {
        respPdu = checkAcl(reqPdu) ;
        if (respPdu == null) { // reqPdu is accepted by ACLs
            if (mibs.size() < 1) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
                       "makeResponsePdu", "Request " + reqPdu.requestId +
                       " received but no MIB registered.");
                }
                return makeNoMibErrorPdu((SnmpPduRequest)reqPdu, userData);
            }
            switch(reqPdu.type) {
            case SnmpPduPacket.pduGetRequestPdu:
            case SnmpPduPacket.pduGetNextRequestPdu:
            case SnmpPduPacket.pduSetRequestPdu:
                respPdu = makeGetSetResponsePdu((SnmpPduRequest)reqPdu,
                                                userData) ;
                break ;

            case SnmpPduPacket.pduGetBulkRequestPdu:
                respPdu = makeGetBulkResponsePdu((SnmpPduBulk)reqPdu,
                                                 userData) ;
                break ;
            }
        }
        else { // reqPdu is rejected by ACLs
            // respPdu contains the error response to be sent.
            // We send this response only if authResEnabled is true.
            if (!snmpServer.getAuthRespEnabled()) { // No response should be sent
                respPdu = null ;
            }
            if (snmpServer.getAuthTrapEnabled()) { // A trap must be sent
                try {
                    snmpServer.snmpV1Trap(SnmpPduTrap.
                                          trapAuthenticationFailure, 0,
                                          new SnmpVarBindList()) ;
                }
                catch(Exception x) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                           "makeResponsePdu", "Failure when sending authentication trap", x);
                    }
                }
            }
        }
    }
    return respPdu ;
}