示例#1
0
/** handles requests for the schedTable table */
int
schedTable_handler(netsnmp_mib_handler *handler,
                   netsnmp_handler_registration *reginfo,
                   netsnmp_agent_request_info *reqinfo,
                   netsnmp_request_info *requests)
{

    netsnmp_request_info       *request;
    netsnmp_table_request_info *tinfo;
    netsnmp_tdata_row          *row;
    struct schedTable_entry    *entry;
    int    recalculate = 0;
    size_t len;
    char  *cp;
    char   owner[SCHED_STR1_LEN+1];
    char   name[ SCHED_STR1_LEN+1];
    int    ret;

    DEBUGMSGTL(("disman:schedule:mib", "Schedule handler (%d)\n",
                                        reqinfo->mode));
    switch (reqinfo->mode) {
        /*
         * Read-support (also covers GetNext requests)
         */
    case MODE_GET:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            entry = (struct schedTable_entry *)
                    netsnmp_tdata_extract_entry(request);
            tinfo = netsnmp_extract_table_info( request);

            switch (tinfo->colnum) {
            case COLUMN_SCHEDDESCR:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->schedDescr,
                                  strlen(entry->schedDescr));
                break;
            case COLUMN_SCHEDINTERVAL:
                snmp_set_var_typed_integer(request->requestvb, ASN_UNSIGNED,
                                           entry->schedInterval);
                break;
            case COLUMN_SCHEDWEEKDAY:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                        &entry->schedWeekDay,
                                  sizeof(entry->schedWeekDay));
                break;
            case COLUMN_SCHEDMONTH:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->schedMonth,
                                  sizeof(entry->schedMonth));
                break;
            case COLUMN_SCHEDDAY:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->schedDay,
                                  sizeof(entry->schedDay));
                break;
            case COLUMN_SCHEDHOUR:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->schedHour,
                                  sizeof(entry->schedHour));
                break;
            case COLUMN_SCHEDMINUTE:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->schedMinute,
                                  sizeof(entry->schedMinute));
                break;
            case COLUMN_SCHEDCONTEXTNAME:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->schedContextName,
                                  strlen(entry->schedContextName));
                break;
            case COLUMN_SCHEDVARIABLE:
                snmp_set_var_typed_value(request->requestvb, ASN_OBJECT_ID,
                               (u_char *)entry->schedVariable,
                                         entry->schedVariable_len*sizeof(oid));
                break;
            case COLUMN_SCHEDVALUE:
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER,
                                           entry->schedValue);
                break;
            case COLUMN_SCHEDTYPE:
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER,
                                           entry->schedType);
                break;
            case COLUMN_SCHEDADMINSTATUS:
                ret = (entry->flags & SCHEDULE_FLAG_ENABLED ) ?
                           TV_TRUE : TV_FALSE;
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
                break;
            case COLUMN_SCHEDOPERSTATUS:
                ret = (entry->flags & SCHEDULE_FLAG_ENABLED ) ?
                           TV_TRUE : TV_FALSE;
                /*
                 * Check for one-shot entries that have already fired
                 */
                if ((entry->schedType == SCHED_TYPE_ONESHOT) &&
                    (entry->schedLastRun != 0 ))
                    ret = 3;  /* finished(3) */
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
                break;
            case COLUMN_SCHEDFAILURES:
                snmp_set_var_typed_integer(request->requestvb, ASN_COUNTER,
                                           entry->schedFailures);
                break;
            case COLUMN_SCHEDLASTFAILURE:
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER,
                                           entry->schedLastFailure);
                break;
            case COLUMN_SCHEDLASTFAILED:
                /*
                 * Convert 'schedLastFailed' timestamp
                 *   into DateAndTime string
                 */
                cp = (char *) date_n_time( &entry->schedLastFailed, &len );
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         cp, len);
                break;
            case COLUMN_SCHEDSTORAGETYPE:
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER,
                                           entry->schedStorageType);
                break;
            case COLUMN_SCHEDROWSTATUS:
                ret = (entry->flags & SCHEDULE_FLAG_ACTIVE ) ?
                           TV_TRUE : TV_FALSE;
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
                break;
            case COLUMN_SCHEDTRIGGERS:
                snmp_set_var_typed_integer(request->requestvb, ASN_COUNTER,
                                           entry->schedTriggers);
                break;
            }
        }
        break;

        /*
         * Write-support
         */
    case MODE_SET_RESERVE1:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            entry = (struct schedTable_entry *)
                    netsnmp_tdata_extract_entry(request);
            tinfo = netsnmp_extract_table_info( request);

            switch (tinfo->colnum) {
            case COLUMN_SCHEDDESCR:
                ret = netsnmp_check_vb_type_and_max_size(
                          request->requestvb, ASN_OCTET_STR, SCHED_STR2_LEN);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDINTERVAL:
                ret = netsnmp_check_vb_uint( request->requestvb );
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDWEEKDAY:
                ret = netsnmp_check_vb_type_and_size(
                          request->requestvb, ASN_OCTET_STR, 1);
                /* XXX - check for bit(7) set */
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDMONTH:
                ret = netsnmp_check_vb_type_and_size(  /* max_size ?? */
                          request->requestvb, ASN_OCTET_STR, 2);
                /* XXX - check for bit(12)-bit(15) set */
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDDAY:
                ret = netsnmp_check_vb_type_and_size(  /* max_size ?? */
                          request->requestvb, ASN_OCTET_STR, 4+4);
                /* XXX - check for bit(62) or bit(63) set */
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDHOUR:
                ret = netsnmp_check_vb_type_and_size(  /* max_size ?? */
                          request->requestvb, ASN_OCTET_STR, 3);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDMINUTE:
                ret = netsnmp_check_vb_type_and_size(  /* max_size ?? */
                          request->requestvb, ASN_OCTET_STR, 8);
                /* XXX - check for bit(60)-bit(63) set */
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDCONTEXTNAME:
                ret = netsnmp_check_vb_type_and_max_size(
                          request->requestvb, ASN_OCTET_STR, SCHED_STR1_LEN);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDVARIABLE:
                ret = netsnmp_check_vb_oid( request->requestvb );
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDVALUE:
                ret = netsnmp_check_vb_int( request->requestvb );
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDTYPE:
                ret = netsnmp_check_vb_int_range( request->requestvb,
                             SCHED_TYPE_PERIODIC, SCHED_TYPE_ONESHOT );
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDADMINSTATUS:
                ret = netsnmp_check_vb_truthvalue( request->requestvb );
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request,
                                              SNMP_ERR_WRONGTYPE);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDSTORAGETYPE:
                ret = netsnmp_check_vb_int_range( request->requestvb,
                                                  ST_NONE, ST_READONLY );
                /* XXX - check valid/consistent assignments */
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_SCHEDROWSTATUS:
                ret = netsnmp_check_vb_rowstatus( request->requestvb,
                          (entry ? RS_ACTIVE: RS_NONEXISTENT));
                /* XXX - check consistency assignments */
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            default:
                netsnmp_set_request_error(reqinfo, request,
                                          SNMP_ERR_NOTWRITABLE);
                return SNMP_ERR_NOERROR;
            }
        }
        break;

    case MODE_SET_RESERVE2:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            tinfo = netsnmp_extract_table_info(request);

            switch (tinfo->colnum) {
            case COLUMN_SCHEDROWSTATUS:
                switch (*request->requestvb->val.integer) {
                case RS_CREATEANDGO:
                case RS_CREATEANDWAIT:
                    /*
                     * Create an (empty) new row structure
                     */
                    memset(owner, 0, SCHED_STR1_LEN+1);
                    memset(name,  0, SCHED_STR1_LEN+1);
                    memcpy(owner, tinfo->indexes->val.string,
                                  tinfo->indexes->val_len);
                    memcpy(name,  tinfo->indexes->next_variable->val.string,
                                  tinfo->indexes->next_variable->val_len);
                    row = schedTable_createEntry(owner, name);
                    if (!row) {
                        netsnmp_set_request_error(reqinfo, request,
                                                  SNMP_ERR_RESOURCEUNAVAILABLE);
                        return SNMP_ERR_NOERROR;
                    }
                    netsnmp_insert_tdata_row(request, row);
                }
            }
        }
        break;

    case MODE_SET_FREE:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            tinfo = netsnmp_extract_table_info(request);

            switch (tinfo->colnum) {
            case COLUMN_SCHEDROWSTATUS:
                switch (*request->requestvb->val.integer) {
                case RS_CREATEANDGO:
                case RS_CREATEANDWAIT:
                    /*
                     * Tidy up after a failed row creation request
                     */ 
                    entry = (struct schedTable_entry *)
                                netsnmp_tdata_extract_entry(request);
                    if (entry &&
                      !(entry->flags & SCHEDULE_FLAG_VALID)) {
                        row = (netsnmp_tdata_row *)
                                netsnmp_tdata_extract_row(request);
                        schedTable_removeEntry(row);
                    }
                }
            }
        }
        break;

    case MODE_SET_ACTION:
        for (request = requests; request; request = request->next) {
            entry = (struct schedTable_entry *)
                    netsnmp_tdata_extract_entry(request);
            if (!entry) {
                /*
                 * New rows must be created via the RowStatus column
                 */
                netsnmp_set_request_error(reqinfo, request,
                                          SNMP_ERR_NOCREATION);
                                      /* or inconsistentName? */
                return SNMP_ERR_NOERROR;
            }
        }
        break;

    case MODE_SET_UNDO:
        break;

    case MODE_SET_COMMIT:
        /*
         * All these assignments are "unfailable", so it's
         *  (reasonably) safe to apply them in the Commit phase
         */
        entry = NULL;
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            entry = (struct schedTable_entry *)
                    netsnmp_tdata_extract_entry(request);
            tinfo = netsnmp_extract_table_info( request);

            switch (tinfo->colnum) {
            case COLUMN_SCHEDDESCR:
                memset(entry->schedDescr, 0, sizeof(entry->schedDescr));
                memcpy(entry->schedDescr, request->requestvb->val.string,
                                          request->requestvb->val_len);
                break;
            case COLUMN_SCHEDINTERVAL:
                entry->schedInterval = *request->requestvb->val.integer;
                recalculate = 1;
                break;
            case COLUMN_SCHEDWEEKDAY:
                entry->schedWeekDay  = request->requestvb->val.string[0];
                recalculate = 1;
                break;
            case COLUMN_SCHEDMONTH:
                entry->schedMonth[0] = request->requestvb->val.string[0];
                entry->schedMonth[1] = request->requestvb->val.string[1];
                recalculate = 1;
                break;
            case COLUMN_SCHEDDAY:
                memset(entry->schedDay, 0, sizeof(entry->schedDay));
                memcpy(entry->schedDay, request->requestvb->val.string,
                                        request->requestvb->val_len);
                recalculate = 1;
                break;
            case COLUMN_SCHEDHOUR:
                entry->schedHour[0]  = request->requestvb->val.string[0];
                entry->schedHour[1]  = request->requestvb->val.string[1];
                entry->schedHour[2]  = request->requestvb->val.string[2];
                recalculate = 1;
                break;
            case COLUMN_SCHEDMINUTE:
                memset(entry->schedMinute, 0, sizeof(entry->schedMinute));
                memcpy(entry->schedMinute, request->requestvb->val.string,
                                           request->requestvb->val_len);
                recalculate = 1;
                break;
            case COLUMN_SCHEDCONTEXTNAME:
                memset(entry->schedContextName, 0, sizeof(entry->schedContextName));
                memcpy(entry->schedContextName,
                                           request->requestvb->val.string,
                                           request->requestvb->val_len);
                break;
            case COLUMN_SCHEDVARIABLE:
                memset(entry->schedVariable, 0, sizeof(entry->schedVariable));
                memcpy(entry->schedVariable,
                                           request->requestvb->val.string,
                                           request->requestvb->val_len);
                entry->schedVariable_len =
                                  request->requestvb->val_len/sizeof(oid);
                break;
            case COLUMN_SCHEDVALUE:
                entry->schedValue = *request->requestvb->val.integer;
                break;
            case COLUMN_SCHEDTYPE:
                entry->schedType  = *request->requestvb->val.integer;
                break;
            case COLUMN_SCHEDADMINSTATUS:
                if (*request->requestvb->val.integer == TV_TRUE)
                    entry->flags |=  SCHEDULE_FLAG_ENABLED;
                else
                    entry->flags &= ~SCHEDULE_FLAG_ENABLED;
                break;
            case COLUMN_SCHEDSTORAGETYPE:
                entry->schedStorageType = *request->requestvb->val.integer;
                break;
            case COLUMN_SCHEDROWSTATUS:
                switch (*request->requestvb->val.integer) {
                case RS_ACTIVE:
                    entry->flags |= SCHEDULE_FLAG_ACTIVE;
                    break;
                case RS_CREATEANDGO:
                    entry->flags |= SCHEDULE_FLAG_ACTIVE;
                    entry->flags |= SCHEDULE_FLAG_VALID;
                    entry->session =
                        netsnmp_iquery_pdu_session(reqinfo->asp->pdu);
                    break;
                case RS_CREATEANDWAIT:
                    entry->flags |= SCHEDULE_FLAG_VALID;
                    entry->session =
                        netsnmp_iquery_pdu_session(reqinfo->asp->pdu);
                    break;

                case RS_DESTROY:
                    row = (netsnmp_tdata_row *)
                               netsnmp_tdata_extract_row(request);
                    schedTable_removeEntry(row);
                }
                recalculate = 1;
                break;
            }
        }
        if (recalculate) {
            netsnmp_assert(entry);
            sched_nextTime(entry);
        }
        break;
    }
    return SNMP_ERR_NOERROR;
}
示例#2
0
/** handles requests for the mteTriggerTable table */
int
mteTriggerTable_handler(netsnmp_mib_handler *handler,
                        netsnmp_handler_registration *reginfo,
                        netsnmp_agent_request_info *reqinfo,
                        netsnmp_request_info *requests)
{

    netsnmp_request_info       *request;
    netsnmp_table_request_info *tinfo;
    netsnmp_tdata_row          *row;
    struct mteTrigger          *entry;
    char mteOwner[MTE_STR1_LEN+1];
    char mteTName[MTE_STR1_LEN+1];
    long ret;

    DEBUGMSGTL(("disman:event:mib", "Trigger Table handler (%d)\n",
                                     reqinfo->mode));

    switch (reqinfo->mode) {
        /*
         * Read-support (also covers GetNext requests)
         */
    case MODE_GET:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request);
            tinfo = netsnmp_extract_table_info(request);

            switch (tinfo->colnum) {
            case COLUMN_MTETRIGGERCOMMENT:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->mteTriggerComment,
                                  strlen(entry->mteTriggerComment));
                break;
            case COLUMN_MTETRIGGERTEST:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                        &entry->mteTriggerTest, 1);
                break;
            case COLUMN_MTETRIGGERSAMPLETYPE:
                ret = (entry->flags & MTE_TRIGGER_FLAG_DELTA ) ?
                           MTE_SAMPLE_DELTA : MTE_SAMPLE_ABSOLUTE;
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
                break;
            case COLUMN_MTETRIGGERVALUEID:
                snmp_set_var_typed_value(request->requestvb, ASN_OBJECT_ID,
                              (u_char *) entry->mteTriggerValueID,
                                         entry->mteTriggerValueID_len*sizeof(oid));
                break;
            case COLUMN_MTETRIGGERVALUEIDWILDCARD:
                ret = (entry->flags & MTE_TRIGGER_FLAG_VWILD ) ?
                           TV_TRUE : TV_FALSE;
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
                break;
            case COLUMN_MTETRIGGERTARGETTAG:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->mteTriggerTarget,
                                  strlen(entry->mteTriggerTarget));
                break;
            case COLUMN_MTETRIGGERCONTEXTNAME:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->mteTriggerContext,
                                  strlen(entry->mteTriggerContext));
                break;
            case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD:
                ret = (entry->flags & MTE_TRIGGER_FLAG_CWILD ) ?
                           TV_TRUE : TV_FALSE;
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
                break;
            case COLUMN_MTETRIGGERFREQUENCY:
                snmp_set_var_typed_integer(request->requestvb, ASN_UNSIGNED,
                                           entry->mteTriggerFrequency);
                break;
            case COLUMN_MTETRIGGEROBJECTSOWNER:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->mteTriggerOOwner,
                                  strlen(entry->mteTriggerOOwner));
                break;
            case COLUMN_MTETRIGGEROBJECTS:
                snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
                                         entry->mteTriggerObjects,
                                  strlen(entry->mteTriggerObjects));
                break;
            case COLUMN_MTETRIGGERENABLED:
                ret = (entry->flags & MTE_TRIGGER_FLAG_ENABLED ) ?
                           TV_TRUE : TV_FALSE;
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
                break;
            case COLUMN_MTETRIGGERENTRYSTATUS:
                ret = (entry->flags & MTE_TRIGGER_FLAG_ACTIVE ) ?
                           RS_ACTIVE : RS_NOTINSERVICE;
                snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
                break;
            }
        }
        break;

#ifndef NETSNMP_NO_WRITE_SUPPORT
        /*
         * Write-support
         */
    case MODE_SET_RESERVE1:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request);
            tinfo = netsnmp_extract_table_info(request);

            switch (tinfo->colnum) {
            case COLUMN_MTETRIGGERCOMMENT:
            case COLUMN_MTETRIGGERTARGETTAG:
            case COLUMN_MTETRIGGERCONTEXTNAME:
                ret = netsnmp_check_vb_type_and_max_size(
                          request->requestvb, ASN_OCTET_STR, MTE_STR2_LEN);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_MTETRIGGERTEST:
                ret = netsnmp_check_vb_type_and_size(
                          request->requestvb, ASN_OCTET_STR, 1);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_MTETRIGGERSAMPLETYPE:
                ret = netsnmp_check_vb_int_range(request->requestvb,
                                    MTE_SAMPLE_ABSOLUTE, MTE_SAMPLE_DELTA);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_MTETRIGGERVALUEID:
                ret = netsnmp_check_vb_oid(request->requestvb);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_MTETRIGGERVALUEIDWILDCARD:
            case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD:
            case COLUMN_MTETRIGGERENABLED:
                ret = netsnmp_check_vb_truthvalue(request->requestvb);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;

            case COLUMN_MTETRIGGERFREQUENCY:
                ret = netsnmp_check_vb_uint(request->requestvb);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_MTETRIGGEROBJECTSOWNER:
            case COLUMN_MTETRIGGEROBJECTS:
                ret = netsnmp_check_vb_type_and_max_size(
                          request->requestvb, ASN_OCTET_STR, MTE_STR1_LEN);
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            case COLUMN_MTETRIGGERENTRYSTATUS:
                ret = netsnmp_check_vb_rowstatus(request->requestvb,
                          (entry ? RS_ACTIVE : RS_NONEXISTENT));
                if (ret != SNMP_ERR_NOERROR) {
                    netsnmp_set_request_error(reqinfo, request, ret);
                    return SNMP_ERR_NOERROR;
                }
                break;
            default:
                netsnmp_set_request_error(reqinfo, request,
                                          SNMP_ERR_NOTWRITABLE);
                return SNMP_ERR_NOERROR;
            }


            /*
             * Once a row has been made active, it cannot be
             *   modified except to delete it.  There's no good
             *   reason for this, but that's what the MIB says.
             *
             * The published version of the Event MIB even forbids
             *   enabling (or disabling) an active row, which
             *   would make this object completely pointless!
             * Fortunately this ludicrous decision has since been corrected.
             */
            if (entry &&
                entry->flags & MTE_TRIGGER_FLAG_ACTIVE ) {
                /* check for the acceptable assignments */
                if ((tinfo->colnum == COLUMN_MTETRIGGERENABLED) ||
                    (tinfo->colnum == COLUMN_MTETRIGGERENTRYSTATUS &&
                         *request->requestvb->val.integer != RS_NOTINSERVICE))
                    continue;

                /* Otherwise, reject this request */
                netsnmp_set_request_error(reqinfo, request,
                                          SNMP_ERR_INCONSISTENTVALUE);
                return SNMP_ERR_NOERROR;
            }
        }
        break;

    case MODE_SET_RESERVE2:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            tinfo = netsnmp_extract_table_info(request);

            switch (tinfo->colnum) {
            case COLUMN_MTETRIGGERENTRYSTATUS:
                switch (*request->requestvb->val.integer) {
                case RS_CREATEANDGO:
                case RS_CREATEANDWAIT:
                    /*
                     * Create an (empty) new row structure
                     */
                    memset(mteOwner, 0, sizeof(mteOwner));
                    memcpy(mteOwner, tinfo->indexes->val.string,
                                     tinfo->indexes->val_len);
                    memset(mteTName, 0, sizeof(mteTName));
                    memcpy(mteTName,
                           tinfo->indexes->next_variable->val.string,
                           tinfo->indexes->next_variable->val_len);

                    row = mteTrigger_createEntry(mteOwner, mteTName, 0);
                    if (!row) {
                        netsnmp_set_request_error(reqinfo, request,
                                                  SNMP_ERR_RESOURCEUNAVAILABLE);
                        return SNMP_ERR_NOERROR;
                    }
                    netsnmp_insert_tdata_row( request, row );
                }
            }
        }
        break;

    case MODE_SET_FREE:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            tinfo = netsnmp_extract_table_info(request);

            switch (tinfo->colnum) {
            case COLUMN_MTETRIGGERENTRYSTATUS:
                switch (*request->requestvb->val.integer) {
                case RS_CREATEANDGO:
                case RS_CREATEANDWAIT:
                    /*
                     * Tidy up after a failed row creation request
                     */ 
                    entry = (struct mteTrigger *)
                                netsnmp_tdata_extract_entry(request);
                    if (entry &&
                      !(entry->flags & MTE_TRIGGER_FLAG_VALID)) {
                        row = (netsnmp_tdata_row *)
                                netsnmp_tdata_extract_row(request);
                        mteTrigger_removeEntry( row );
                    }
                }
            }
        }
        break;

    case MODE_SET_ACTION:
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            tinfo = netsnmp_extract_table_info(request);
            entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request);
            if (!entry) {
                /*
                 * New rows must be created via the RowStatus column
                 */
                netsnmp_set_request_error(reqinfo, request,
                                          SNMP_ERR_NOCREATION);
                                      /* or inconsistentName? */
                return SNMP_ERR_NOERROR;

            }
        }
        break;

    case MODE_SET_UNDO:
        break;

    case MODE_SET_COMMIT:
        /*
         * All these assignments are "unfailable", so it's
         *  (reasonably) safe to apply them in the Commit phase
         */
        for (request = requests; request; request = request->next) {
            if (request->processed)
                continue;

            entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request);
            tinfo = netsnmp_extract_table_info(request);

            switch (tinfo->colnum) {
            case COLUMN_MTETRIGGERCOMMENT:
                memset(entry->mteTriggerComment, 0,
                       sizeof(entry->mteTriggerComment));
                memcpy(entry->mteTriggerComment,
                       request->requestvb->val.string,
                       request->requestvb->val_len);
                break;
            case COLUMN_MTETRIGGERTEST:
                entry->mteTriggerTest = request->requestvb->val.string[0];
                break;
            case COLUMN_MTETRIGGERSAMPLETYPE:
                if (*request->requestvb->val.integer == MTE_SAMPLE_DELTA)
                    entry->flags |=  MTE_TRIGGER_FLAG_DELTA;
                else
                    entry->flags &= ~MTE_TRIGGER_FLAG_DELTA;
                break;
            case COLUMN_MTETRIGGERVALUEID:
                memset(entry->mteTriggerValueID, 0,
                       sizeof(entry->mteTriggerValueID));
                memcpy(entry->mteTriggerValueID,
                       request->requestvb->val.string,
                       request->requestvb->val_len);
                entry->mteTriggerValueID_len = request->requestvb->val_len/sizeof(oid);
                break;
            case COLUMN_MTETRIGGERVALUEIDWILDCARD:
                if (*request->requestvb->val.integer == TV_TRUE)
                    entry->flags |=  MTE_TRIGGER_FLAG_VWILD;
                else
                    entry->flags &= ~MTE_TRIGGER_FLAG_VWILD;
                break;
            case COLUMN_MTETRIGGERTARGETTAG:
                memset(entry->mteTriggerTarget, 0,
                       sizeof(entry->mteTriggerTarget));
                memcpy(entry->mteTriggerTarget,
                       request->requestvb->val.string,
                       request->requestvb->val_len);
                break;
            case COLUMN_MTETRIGGERCONTEXTNAME:
                memset(entry->mteTriggerContext, 0,
                       sizeof(entry->mteTriggerContext));
                memcpy(entry->mteTriggerContext,
                       request->requestvb->val.string,
                       request->requestvb->val_len);
                break;
            case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD:
                if (*request->requestvb->val.integer == TV_TRUE)
                    entry->flags |=  MTE_TRIGGER_FLAG_CWILD;
                else
                    entry->flags &= ~MTE_TRIGGER_FLAG_CWILD;
                break;
            case COLUMN_MTETRIGGERFREQUENCY:
                entry->mteTriggerFrequency = *request->requestvb->val.integer;
                break;
            case COLUMN_MTETRIGGEROBJECTSOWNER:
                memset(entry->mteTriggerOOwner, 0,
                       sizeof(entry->mteTriggerOOwner));
                memcpy(entry->mteTriggerOOwner,
                       request->requestvb->val.string,
                       request->requestvb->val_len);
                break;
            case COLUMN_MTETRIGGEROBJECTS:
                memset(entry->mteTriggerObjects, 0,
                       sizeof(entry->mteTriggerObjects));
                memcpy(entry->mteTriggerObjects,
                       request->requestvb->val.string,
                       request->requestvb->val_len);
                break;
            case COLUMN_MTETRIGGERENABLED:
                if (*request->requestvb->val.integer == TV_TRUE)
                    entry->flags |=  MTE_TRIGGER_FLAG_ENABLED;
                else
                    entry->flags &= ~MTE_TRIGGER_FLAG_ENABLED;
                break;
            case COLUMN_MTETRIGGERENTRYSTATUS:
                switch (*request->requestvb->val.integer) {
                case RS_ACTIVE:
                    entry->flags |= MTE_TRIGGER_FLAG_ACTIVE;
                    mteTrigger_enable( entry );
                    break;
                case RS_CREATEANDGO:
                    entry->flags |= MTE_TRIGGER_FLAG_ACTIVE;
                    entry->flags |= MTE_TRIGGER_FLAG_VALID;
                    entry->session =
                        netsnmp_iquery_pdu_session(reqinfo->asp->pdu);
                    mteTrigger_enable( entry );
                    break;
                case RS_CREATEANDWAIT:
                    entry->flags |= MTE_TRIGGER_FLAG_VALID;
                    entry->session =
                        netsnmp_iquery_pdu_session(reqinfo->asp->pdu);
                    break;

                case RS_DESTROY:
                    row = (netsnmp_tdata_row *)
                               netsnmp_tdata_extract_row(request);
                    mteTrigger_removeEntry(row);
                }
                break;
            }
        }

        /** set up to save persistent store */
        snmp_store_needed(NULL);

        break;

#endif /* !NETSNMP_NO_WRITE_SUPPORT */

    }
    return SNMP_ERR_NOERROR;
}