import com.sun.jmx.snmp.SnmpPduRequest; //导入依赖的package包/类
/**
 * Make a response pdu with the specified error status and index.
 * NOTE: the response pdu share its varBindList with the request pdu.
 */
private SnmpPduRequest newValidResponsePdu(SnmpPduPacket reqPdu,
                                           SnmpVarBind[] varBindList) {
    SnmpPduRequest result = new SnmpPduRequest() ;

    result.address = reqPdu.address ;
    result.port = reqPdu.port ;
    result.version = reqPdu.version ;
    result.community = reqPdu.community ;
    result.type = SnmpPduRequest.pduGetResponsePdu ;
    result.requestId = reqPdu.requestId ;
    result.errorStatus = SnmpDefinitions.snmpRspNoError ;
    result.errorIndex = 0 ;
    result.varBindList = varBindList ;

    ((SnmpAdaptorServer)adaptorServer).
        updateErrorCounters(result.errorStatus) ;

    return result ;
}
 

import com.sun.jmx.snmp.SnmpPduRequest; //导入依赖的package包/类
private SnmpPduPacket mergeResponses(SnmpPduRequest req) {

        if (req.type == pduGetNextRequestPdu) {
            return mergeNextResponses(req);
        }

        SnmpVarBind[] result= req.varBindList;

        // Go through the list of subrequests and concatenate.
        // Hopefully, by now all the sub-requests should be finished
        //
        for(Enumeration<SnmpSubRequestHandler> e= subs.elements(); e.hasMoreElements();) {
            SnmpSubRequestHandler sub= e.nextElement();
            sub.updateResult(result);
        }
        return newValidResponsePdu(req,result);
    }
 

import com.sun.jmx.snmp.SnmpPduRequest; //导入依赖的package包/类
/**
 * Make a response pdu with the specified error status and index.
 * NOTE: the response pdu share its varBindList with the request pdu.
 */
private SnmpPduRequest newValidResponsePdu(SnmpPduPacket reqPdu,
                                           SnmpVarBind[] varBindList) {
    SnmpPduRequest result = new SnmpPduRequest() ;

    result.address = reqPdu.address ;
    result.port = reqPdu.port ;
    result.version = reqPdu.version ;
    result.community = reqPdu.community ;
    result.type = result.pduGetResponsePdu ;
    result.requestId = reqPdu.requestId ;
    result.errorStatus = SnmpDefinitions.snmpRspNoError ;
    result.errorIndex = 0 ;
    result.varBindList = varBindList ;

    ((SnmpAdaptorServer)adaptorServer).
        updateErrorCounters(result.errorStatus) ;

    return result ;
}
 

import com.sun.jmx.snmp.SnmpPduRequest; //导入依赖的package包/类
private SnmpPduPacket mergeResponses(SnmpPduRequest req) {

        if (req.type == pduGetNextRequestPdu) {
            return mergeNextResponses(req);
        }

        SnmpVarBind[] result= req.varBindList;

        // Go through the list of subrequests and concatenate.
        // Hopefully, by now all the sub-requests should be finished
        //
        for(Enumeration e= subs.elements(); e.hasMoreElements();) {
            SnmpSubRequestHandler sub= (SnmpSubRequestHandler) e.nextElement();
            sub.updateResult(result);
        }
        return newValidResponsePdu(req,result);
    }
 

import com.sun.jmx.snmp.SnmpPduRequest; //导入依赖的package包/类
SnmpPduPacket makeNoMibErrorPdu(SnmpPduRequest req, Object userData) {
    // There is no agent registered
    //
    if (req.version == SnmpDefinitions.snmpVersionOne) {
        // Version 1: => NoSuchName
        return
            newErrorResponsePdu(req,snmpRspNoSuchName,1);
    } else if (req.version == SnmpDefinitions.snmpVersionTwo) {
        // Version 2: => depends on PDU type
        switch (req.type) {
        case pduSetRequestPdu :
        case pduWalkRequest :
            // SET request => NoAccess
            return
                newErrorResponsePdu(req,snmpRspNoAccess,1);
        case pduGetRequestPdu :
            // GET request => NoSuchObject
            return
                makeErrorVarbindPdu(req,SnmpDataTypeEnums.
                                    errNoSuchObjectTag);
        case pduGetNextRequestPdu :
        case pduGetBulkRequestPdu :
            // GET-NEXT or GET-BULK => EndOfMibView
            return
                makeErrorVarbindPdu(req,SnmpDataTypeEnums.
                                    errEndOfMibViewTag);
        default:
        }
    }
    // Something wrong here: => snmpRspGenErr
    return newErrorResponsePdu(req,snmpRspGenErr,1);
}
 

import com.sun.jmx.snmp.SnmpPduRequest; //导入依赖的package包/类
/**
 * Make a response pdu with the specified error status and index.
 * NOTE: the response pdu share its varBindList with the request pdu.
 */
private SnmpPduRequest newErrorResponsePdu(SnmpPduPacket req,int s,int i) {
    SnmpPduRequest result = newValidResponsePdu(req, null) ;
    result.errorStatus = s ;
    result.errorIndex = i ;
    result.varBindList = req.varBindList ;

    ((SnmpAdaptorServer)adaptorServer).
        updateErrorCounters(result.errorStatus) ;

    return result ;
}
 

import com.sun.jmx.snmp.SnmpPduRequest; //导入依赖的package包/类
private SnmpPduPacket mergeNextResponses(SnmpPduRequest req) {
    int max= req.varBindList.length;
    SnmpVarBind[] result= new SnmpVarBind[max];

    // Go through the list of subrequests and concatenate.
    // Hopefully, by now all the sub-requests should be finished
    //
    for(Enumeration<SnmpSubRequestHandler> e= subs.elements(); e.hasMoreElements();) {
        SnmpSubRequestHandler sub= e.nextElement();
        sub.updateResult(result);
    }

    if (req.version == snmpVersionTwo) {
        return newValidResponsePdu(req,result);
    }

    // In v1 make sure there is no endOfMibView ...
    //
    for(int i=0; i < max; i++) {
        SnmpValue val= result[i].value;
        if (val == SnmpVarBind.endOfMibView)
            return newErrorResponsePdu(req,
                               SnmpDefinitions.snmpRspNoSuchName, i+1);
    }

    // So far so good ...
    //
    return newValidResponsePdu(req,result);
}