mtetriggertable.c

开发snmp的开发包有两个开放的SNMP开发库

                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) {
            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) {
            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) {
            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) {
            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;
            }
        }
        break;
    }
    return SNMP_ERR_NOERROR;
}