inetcidrroutetable_interface.c

snmp的源代码,已经在我的ubuntu下编译通过

        oid_idx.oids = tblreq_info->index_oid;
        oid_idx.len = tblreq_info->index_oid_len;
        rc = inetCidrRouteTable_index_from_oid(&oid_idx, &mib_idx);
        if (MFD_SUCCESS != rc) {
            DEBUGMSGT(("inetCidrRouteTable", "error parsing index\n"));
            netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
        } else {
            /*
             * allocate new context
             */
            rowreq_ctx = inetCidrRouteTable_allocate_rowreq_ctx(NULL);
            if (NULL == rowreq_ctx)
                return MFD_ERROR;       /* msg already logged */

            memcpy(&rowreq_ctx->tbl_idx, &mib_idx, sizeof(mib_idx));

            /*
             * check indexes
             */
            rc = _inetCidrRouteTable_check_indexes(rowreq_ctx);
            if (MFD_SUCCESS != rc) {
                netsnmp_assert((rc == SNMP_ERR_NOCREATION) ||
                               (rc == SNMP_ERR_INCONSISTENTNAME));
                netsnmp_request_set_error_all(requests,
                                              SNMP_VALIDATE_ERR(rc));
                inetCidrRouteTable_release_rowreq_ctx(rowreq_ctx);
            } else {
                rowreq_ctx->rowreq_flags |= MFD_ROW_CREATED;
                netsnmp_container_table_row_insert(requests, rowreq_ctx);
            }
        }
    } else {
        inetCidrRouteTable_row_prep(rowreq_ctx);
    }

    return SNMP_ERR_NOERROR;
}                               /* _mfd_inetCidrRouteTable_object_lookup */

/***********************************************************************
 *
 * GET processing
 *
 ***********************************************************************/
/*
 * @internal
 * Retrieve the value for a particular column
 */
NETSNMP_STATIC_INLINE int
_inetCidrRouteTable_get_column(inetCidrRouteTable_rowreq_ctx * rowreq_ctx,
                               netsnmp_variable_list * var, int column)
{
    int             rc = SNMPERR_SUCCESS;

    DEBUGMSGTL(("internal:inetCidrRouteTable:_mfd_inetCidrRouteTable_get_column", "called\n"));


    netsnmp_assert(NULL != rowreq_ctx);

    switch (column) {

        /*
         * inetCidrRouteIfIndex(7)/InterfaceIndexOrZero/ASN_INTEGER/long(long)//l/A/W/e/R/d/H 
         */
    case COLUMN_INETCIDRROUTEIFINDEX:
        var->val_len = sizeof(long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteIfIndex_get(rowreq_ctx,
                                      (long *) var->val.string);
        break;

        /*
         * inetCidrRouteType(8)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h 
         */
    case COLUMN_INETCIDRROUTETYPE:
        var->val_len = sizeof(u_long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteType_get(rowreq_ctx, (u_long *) var->val.string);
        break;

        /*
         * inetCidrRouteProto(9)/IANAipRouteProtocol/ASN_INTEGER/long(u_long)//l/A/w/E/r/d/h 
         */
    case COLUMN_INETCIDRROUTEPROTO:
        var->val_len = sizeof(u_long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteProto_get(rowreq_ctx,
                                    (u_long *) var->val.string);
        break;

        /*
         * inetCidrRouteAge(10)/GAUGE/ASN_GAUGE/u_long(u_long)//l/A/w/e/r/d/h 
         */
    case COLUMN_INETCIDRROUTEAGE:
        var->val_len = sizeof(u_long);
        var->type = ASN_GAUGE;
        rc = inetCidrRouteAge_get(rowreq_ctx, (u_long *) var->val.string);
        break;

        /*
         * inetCidrRouteNextHopAS(11)/InetAutonomousSystemNumber/ASN_UNSIGNED/u_long(u_long)//l/A/W/e/r/D/H 
         */
    case COLUMN_INETCIDRROUTENEXTHOPAS:
        var->val_len = sizeof(u_long);
        var->type = ASN_UNSIGNED;
        rc = inetCidrRouteNextHopAS_get(rowreq_ctx,
                                        (u_long *) var->val.string);
        break;

        /*
         * inetCidrRouteMetric1(12)/INTEGER32/ASN_INTEGER/long(long)//l/A/W/e/r/D/h 
         */
    case COLUMN_INETCIDRROUTEMETRIC1:
        var->val_len = sizeof(long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteMetric1_get(rowreq_ctx,
                                      (long *) var->val.string);
        break;

        /*
         * inetCidrRouteMetric2(13)/INTEGER32/ASN_INTEGER/long(long)//l/A/W/e/r/D/h 
         */
    case COLUMN_INETCIDRROUTEMETRIC2:
        var->val_len = sizeof(long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteMetric2_get(rowreq_ctx,
                                      (long *) var->val.string);
        break;

        /*
         * inetCidrRouteMetric3(14)/INTEGER32/ASN_INTEGER/long(long)//l/A/W/e/r/D/h 
         */
    case COLUMN_INETCIDRROUTEMETRIC3:
        var->val_len = sizeof(long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteMetric3_get(rowreq_ctx,
                                      (long *) var->val.string);
        break;

        /*
         * inetCidrRouteMetric4(15)/INTEGER32/ASN_INTEGER/long(long)//l/A/W/e/r/D/h 
         */
    case COLUMN_INETCIDRROUTEMETRIC4:
        var->val_len = sizeof(long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteMetric4_get(rowreq_ctx,
                                      (long *) var->val.string);
        break;

        /*
         * inetCidrRouteMetric5(16)/INTEGER32/ASN_INTEGER/long(long)//l/A/W/e/r/D/h 
         */
    case COLUMN_INETCIDRROUTEMETRIC5:
        var->val_len = sizeof(long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteMetric5_get(rowreq_ctx,
                                      (long *) var->val.string);
        break;

        /*
         * inetCidrRouteStatus(17)/RowStatus/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h 
         */
    case COLUMN_INETCIDRROUTESTATUS:
        var->val_len = sizeof(u_long);
        var->type = ASN_INTEGER;
        rc = inetCidrRouteStatus_get(rowreq_ctx,
                                     (u_long *) var->val.string);
        break;

    default:
        snmp_log(LOG_ERR,
                 "unknown column %d in _inetCidrRouteTable_get_column\n",
                 column);
        break;
    }

    return rc;
}                               /* _inetCidrRouteTable_get_column */

int
_mfd_inetCidrRouteTable_get_values(netsnmp_mib_handler *handler,
                                   netsnmp_handler_registration *reginfo,
                                   netsnmp_agent_request_info *agtreq_info,
                                   netsnmp_request_info *requests)
{
    inetCidrRouteTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);
    netsnmp_table_request_info *tri;
    u_char         *old_string;
    void            (*dataFreeHook) (void *);
    int             rc;

    DEBUGMSGTL(("internal:inetCidrRouteTable:_mfd_inetCidrRouteTable_get_values", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    for (; requests; requests = requests->next) {
        /*
         * save old pointer, so we can free it if replaced
         */
        old_string = requests->requestvb->val.string;
        dataFreeHook = requests->requestvb->dataFreeHook;
        if (NULL == requests->requestvb->val.string) {
            requests->requestvb->val.string = requests->requestvb->buf;
            requests->requestvb->val_len =
                sizeof(requests->requestvb->buf);
        } else if (requests->requestvb->buf ==
                   requests->requestvb->val.string) {
            if (requests->requestvb->val_len !=
                sizeof(requests->requestvb->buf))
                requests->requestvb->val_len =
                    sizeof(requests->requestvb->buf);
        }

        /*
         * get column data
         */
        tri = netsnmp_extract_table_info(requests);
        if (NULL == tri)
            continue;

        rc = _inetCidrRouteTable_get_column(rowreq_ctx,
                                            requests->requestvb,
                                            tri->colnum);
        if (rc) {
            if (MFD_SKIP == rc) {
                requests->requestvb->type = ASN_PRIV_RETRY;
                rc = SNMP_ERR_NOERROR;
            }
        } else if (NULL == requests->requestvb->val.string) {
            snmp_log(LOG_ERR, "NULL varbind data pointer!\n");
            rc = SNMP_ERR_GENERR;
        }
        if (rc)
            netsnmp_request_set_error(requests, SNMP_VALIDATE_ERR(rc));

        /*
         * if the buffer wasn't used previously for the old data (i.e. it
         * was allcoated memory)  and the get routine replaced the pointer,
         * we need to free the previous pointer.
         */
        if (old_string && (old_string != requests->requestvb->buf) &&
            (requests->requestvb->val.string != old_string)) {
            if (dataFreeHook)
                (*dataFreeHook) (old_string);
            else
                free(old_string);
        }
    }                           /* for results */

    return SNMP_ERR_NOERROR;
}                               /* _mfd_inetCidrRouteTable_get_values */

/***********************************************************************
 *
 * SET processing
 *
 ***********************************************************************/

/*----------------------------------------------------------------------
 *
 * SET: Syntax checks
 *
 *---------------------------------------------------------------------*/
/*
 * @internal
 * Check the syntax for a particular column
 */
NETSNMP_STATIC_INLINE int
_inetCidrRouteTable_check_column(inetCidrRouteTable_rowreq_ctx *
                                 rowreq_ctx, netsnmp_variable_list * var,
                                 int column)
{
    int             rc = SNMPERR_SUCCESS;

    DEBUGMSGTL(("internal:inetCidrRouteTable:_inetCidrRouteTable_check_column", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    switch (column) {

        /*
         * inetCidrRouteIfIndex(7)/InterfaceIndexOrZero/ASN_INTEGER/long(long)//l/A/W/e/R/d/H 
         */
    case COLUMN_INETCIDRROUTEIFINDEX:
        rc = netsnmp_check_vb_type(var, ASN_INTEGER);
        if (SNMPERR_SUCCESS == rc) {
            /*
             * check that the value is in the defined range(s); inefficent
             * * but keeps rc value knowledge in libarary where it belongs. 
             */
            if (1 && ((rc = netsnmp_check_vb_int_range(var, 0, 2147483647))
                      != SNMP_ERR_NOERROR)
                ) {
                ;               /* rc set in condition */
            }
        }
        if (SNMPERR_SUCCESS == rc) {
            rc = inetCidrRouteIfIndex_check_value(rowreq_ctx,
                                                  *((long *) var->val.
                                                    string));
            if ((MFD_SUCCESS != rc) && (MFD_NOT_VALID_EVER != rc)
                && (MFD_NOT_VALID_NOW != rc)) {
                snmp_log(LOG_ERR,
                         "bad rc %d from inetCidrRouteIfIndex_check_value\n",
                         rc);
                rc = SNMP_ERR_GENERR;
            }
        }
        break;

        /*
         * inetCidrRouteType(8)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h 
         */
    case COLUMN_INETCIDRROUTETYPE:
        rc = netsnmp_check_vb_type(var, ASN_INTEGER);
        if (SNMPERR_SUCCESS == rc) {

            /*
             * check that the value is one of defined enums 
             */
            if (1 && (*var->val.integer != INETCIDRROUTETYPE_OTHER)
                && (*var->val.integer != INETCIDRROUTETYPE_REJECT)
                && (*var->val.integer != INETCIDRROUTETYPE_LOCAL)
                && (*var->val.integer != INETCIDRROUTETYPE_REMOTE)
                && (*var->val.integer != INETCIDRROUTETYPE_BLACKHOLE)
                ) {
                rc = SNMP_ERR_WRONGVALUE;
            }
        }
        if (SNMPERR_SUCCESS == rc) {
            rc = inetCidrRouteType_check_value(rowreq_ctx,
                                               *((u_long *) var->val.
                                                 string));
            if ((MFD_SUCCESS != rc) && (MFD_NOT_VALID_EVER != rc)
                && (MFD_NOT_VALID_NOW != rc)) {
                snmp_log(LOG_ERR,
                         "bad rc %d from inetCidrRouteType_check_value\n",
                         rc);
                rc = SNMP_ERR_GENERR;
            }
        }
        break;

        /*
         * inetCidrRouteNextHopAS(11)/InetAutonomousSystemNumber/ASN_UNSIGNED/u_long(u_long)//l/A/W/e/r/D/H 
         */
    case COLUMN_INETCIDRROUTENEXTHOPAS:
        rc = netsnmp_check_vb_type(var, ASN_UNSIGNED);
        /*
         * yyy-rks: anything else we can do here? 
         */
        if (SNMPERR_SUCCESS == rc) {
            rc = inetCidrRouteNextHopAS_check_value(rowreq_ctx,
                                                    *((u_long *) var->val.
                                                      string));
            if ((MFD_SUCCESS != rc) && (MFD_NOT_VALID_EVER != rc)
                && (MFD_NOT_VALID_NOW != rc)) {
                snmp_log(LOG_ERR,
                         "bad rc %d from inetCidrRouteNextHopAS_check_value\n",
                         rc);
                rc = SNMP_ERR_GENERR;
            }
        }
        break;

        /*