inetnettomediatable_interface.c

snmp的源代码,已经在我的ubuntu下编译通过

            }
        } 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_inetNetToMediaTable_get_values */

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

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

    DEBUGMSGTL(("internal:inetNetToMediaTable:_inetNetToMediaTable_check_column", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    switch (column) {

        /*
         * inetNetToMediaPhysAddress(4)/PhysAddress/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H 
         */
    case COLUMN_INETNETTOMEDIAPHYSADDRESS:
        rc = netsnmp_check_vb_type(var, ASN_OCTET_STR);
        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_size_range(var, 0, 65535)) !=
                    SNMP_ERR_NOERROR)
                ) {
                ;               /* rc set in condition */
            }
        }
        if (SNMPERR_SUCCESS == rc) {
            rc = inetNetToMediaPhysAddress_check_value(rowreq_ctx,
                                                       (char *) var->val.
                                                       string,
                                                       var->val_len);
            if ((MFD_SUCCESS != rc) && (MFD_NOT_VALID_EVER != rc)
                && (MFD_NOT_VALID_NOW != rc)) {
                snmp_log(LOG_ERR,
                         "bad rc %d from inetNetToMediaPhysAddress_check_value\n",
                         rc);
                rc = SNMP_ERR_GENERR;
            }
        }
        break;

        /*
         * inetNetToMediaType(6)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/D/h 
         */
    case COLUMN_INETNETTOMEDIATYPE:
        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 != INETNETTOMEDIATYPE_OTHER)
                && (*var->val.integer != INETNETTOMEDIATYPE_INVALID)
                && (*var->val.integer != INETNETTOMEDIATYPE_DYNAMIC)
                && (*var->val.integer != INETNETTOMEDIATYPE_STATIC)
                && (*var->val.integer != INETNETTOMEDIATYPE_LOCAL)
                ) {
                rc = SNMP_ERR_WRONGVALUE;
            }
        }
        if (SNMPERR_SUCCESS == rc) {
            rc = inetNetToMediaType_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 inetNetToMediaType_check_value\n",
                         rc);
                rc = SNMP_ERR_GENERR;
            }
        }
        break;

        /*
         * inetNetToMediaRowStatus(8)/RowStatus/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h 
         */
    case COLUMN_INETNETTOMEDIAROWSTATUS:
        rc = netsnmp_check_vb_rowstatus_value(var);
        if (SNMPERR_SUCCESS == rc) {
            rc = inetNetToMediaRowStatus_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 inetNetToMediaRowStatus_check_value\n",
                         rc);
                rc = SNMP_ERR_GENERR;
            }
        }
        break;

    default:   /** We shouldn't get here */
        rc = SNMP_ERR_GENERR;
        snmp_log(LOG_ERR,
                 "unknown column %d in _inetNetToMediaTable_check_column\n",
                 column);
    }

    return rc;
}                               /* _inetNetToMediaTable_check_column */

int
_mfd_inetNetToMediaTable_check_objects(netsnmp_mib_handler *handler, netsnmp_handler_registration
                                       *reginfo, netsnmp_agent_request_info
                                       *agtreq_info,
                                       netsnmp_request_info *requests)
{
    inetNetToMediaTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);
    netsnmp_table_request_info *tri;
    int             rc;

    DEBUGMSGTL(("internal:inetNetToMediaTable:_mfd_inetNetToMediaTable_check_objects", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    for (; requests; requests = requests->next) {

        /*
         * get column number from table request info, and check that column
         */
        tri = netsnmp_extract_table_info(requests);
        if (NULL == tri)
            continue;

        rc = _inetNetToMediaTable_check_column(rowreq_ctx,
                                               requests->requestvb,
                                               tri->colnum);
        if (rc) {
            netsnmp_request_set_error(requests, SNMP_VALIDATE_ERR(rc));
            break;
        }

    }                           /* for results */

    return SNMP_ERR_NOERROR;
}                               /* _mfd_inetNetToMediaTable_check_objects */

NETSNMP_STATIC_INLINE int
_inetNetToMediaTable_check_indexes(inetNetToMediaTable_rowreq_ctx *
                                   rowreq_ctx)
{
    int             rc;

    DEBUGMSGTL(("internal:inetNetToMediaTable:_inetNetToMediaTable_check_indexes", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);


    /*
     * (INDEX) inetNetToMediaIfIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/a/w/e/R/d/H 
     */
    rc = inetNetToMediaIfIndex_check_index(rowreq_ctx);
    if (MFD_SUCCESS != rc)
        return SNMP_ERR_NOCREATION;

    /*
     * (INDEX) inetNetToMediaNetAddressType(2)/InetAddressType/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h 
     */
    rc = inetNetToMediaNetAddressType_check_index(rowreq_ctx);
    if (MFD_SUCCESS != rc)
        return SNMP_ERR_NOCREATION;

    /*
     * (INDEX) inetNetToMediaNetAddress(3)/InetAddress/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/h 
     */
    rc = inetNetToMediaNetAddress_check_index(rowreq_ctx);
    if (MFD_SUCCESS != rc)
        return SNMP_ERR_NOCREATION;

    /*
     * if individual parts look ok, check them as a whole
     */
    return inetNetToMediaTable_validate_index(rowreq_ctx->
                                              inetNetToMediaTable_reg,
                                              rowreq_ctx);
}                               /* _inetNetToMediaTable_check_indexes */


/*----------------------------------------------------------------------
 *
 * SET: check dependencies
 *
 *---------------------------------------------------------------------*/
/*
 * @internal
 * Check dependencies wrapper
 */
static int
_mfd_inetNetToMediaTable_check_dependencies(netsnmp_mib_handler *handler, netsnmp_handler_registration
                                            *reginfo, netsnmp_agent_request_info
                                            *agtreq_info,
                                            netsnmp_request_info *requests)
{
    int             rc;
    inetNetToMediaTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);
    DEBUGMSGTL(("internal:inetNetToMediaTable:_mfd_inetNetToMediaTable_check_dependencies", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    rc = inetNetToMediaTable_check_dependencies(rowreq_ctx);
    if (rc) {
        DEBUGMSGTL(("verbose:inetNetToMediaTable:mfd", "error %d from "
                    "inetNetToMediaTable_check_dependencies\n", rc));
        netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
    }

    return SNMP_ERR_NOERROR;
}                               /* _mfd_inetNetToMediaTable_check_dependencies */

/*----------------------------------------------------------------------
 *
 * SET: Undo setup
 *
 *---------------------------------------------------------------------*/
/*
 * @internal
 * Set the value for a particular column
 */
NETSNMP_STATIC_INLINE int
_inetNetToMediaTable_undo_setup_column(inetNetToMediaTable_rowreq_ctx *
                                       rowreq_ctx, int column)
{
    int             rc = SNMPERR_SUCCESS;

    DEBUGMSGTL(("internal:inetNetToMediaTable:_inetNetToMediaTable_undo_setup_column", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    switch (column) {

        /*
         * inetNetToMediaPhysAddress(4)/PhysAddress/ASN_OCTET_STR/char(char)//L/A/W/e/R/d/H 
         */
    case COLUMN_INETNETTOMEDIAPHYSADDRESS:
        rowreq_ctx->column_set_flags |= FLAG_INETNETTOMEDIAPHYSADDRESS;
        rc = inetNetToMediaPhysAddress_undo_setup(rowreq_ctx);
        break;

        /*
         * inetNetToMediaType(6)/INTEGER/ASN_INTEGER/long(u_long)//l/A/W/E/r/D/h 
         */
    case COLUMN_INETNETTOMEDIATYPE:
        rowreq_ctx->column_set_flags |= FLAG_INETNETTOMEDIATYPE;
        rc = inetNetToMediaType_undo_setup(rowreq_ctx);
        break;

        /*
         * inetNetToMediaRowStatus(8)/RowStatus/ASN_INTEGER/long(u_long)//l/A/W/E/r/d/h 
         */
    case COLUMN_INETNETTOMEDIAROWSTATUS:
        rowreq_ctx->column_set_flags |= FLAG_INETNETTOMEDIAROWSTATUS;
        rc = inetNetToMediaRowStatus_undo_setup(rowreq_ctx);
        break;

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

    return rc;
}                               /* _inetNetToMediaTable_undo_setup_column */


/**
 * @internal
 * undo setup
 */
int
_mfd_inetNetToMediaTable_undo_setup(netsnmp_mib_handler *handler,
                                    netsnmp_handler_registration *reginfo,
                                    netsnmp_agent_request_info
                                    *agtreq_info,
                                    netsnmp_request_info *requests)
{
    int             rc;
    inetNetToMediaTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);

    DEBUGMSGTL(("internal:inetNetToMediaTable:_mfd_inetNetToMediaTable_undo_setup", "called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    /*
     * allocate undo context
     */
    rowreq_ctx->undo = inetNetToMediaTable_allocate_data();
    if (NULL == rowreq_ctx->undo) {
        /** msg already logged */
        netsnmp_request_set_error_all(requests,
                                      SNMP_ERR_RESOURCEUNAVAILABLE);
        return SNMP_ERR_NOERROR;
    }

    /*
     * row undo setup
     */
    rowreq_ctx->column_set_flags = 0;
    rc = inetNetToMediaTable_undo_setup(rowreq_ctx);
    if (MFD_SUCCESS != rc) {
        DEBUGMSGTL(("verbose:inetNetToMediaTable:mfd", "error %d from "
                    "inetNetToMediaTable_undo_setup\n", rc));
        netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
    } else {
        /*
         * column undo setup
         */
        netsnmp_table_request_info *tri;
        for (; requests; requests = requests->next) {
            /*
             * set column data
             */
            tri = netsnmp_extract_table_info(requests);
            if (NULL == tri)
                continue;

            rc = _inetNetToMediaTable_undo_setup_column(rowreq_ctx,
                                                        tri->colnum);
            if (MFD_SUCCESS != rc) {
                DEBUGMSGTL(("verbose:inetNetToMediaTable:mfd",
                            "error %d from "
                            "inetNetToMediaTable_undo_setup_column\n",
                            rc));
                netsnmp_set_request_error(agtreq_info, requests,
                                          SNMP_VALIDATE_ERR(rc));
            }
        }                       /* for results */
    }

    return SNMP_ERR_NOERROR;
}                               /* _mfd_inetNetToMediaTable_undo_setup */

/**
 * @internal
 * undo setup
 */
int
_mfd_inetNetToMediaTable_undo_cleanup(netsnmp_mib_handler *handler, netsnmp_handler_registration
                                      *reginfo, netsnmp_agent_request_info
                                      *agtreq_info,
                                      netsnmp_request_info *requests)
{
    inetNetToMediaTable_rowreq_ctx *rowreq_ctx =
        netsnmp_container_table_row_extract(requests);
    int             rc;

    DEBUGMSGTL(("internal:inetNetToMediaTable:_mfd_inetNetToMediaTable_undo_cleanup", "called\n"));

    /*
     * failed row create in early stages has no rowreq_ctx
     */
    if (NULL == rowreq_ctx)
        return MFD_SUCCESS;

    /*
     * call user cleanup