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69 lines
3.1 KiB
PHP
69 lines
3.1 KiB
PHP
<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2023 The Cacti Group |
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| This program is free software; you can redistribute it and/or |
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| modify it under the terms of the GNU General Public License |
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| as published by the Free Software Foundation; either version 2 |
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| of the License, or (at your option) any later version. |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDtool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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| This code is designed, written, and maintained by the Cacti Group. See |
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| about.php and/or the AUTHORS file for specific developer information. |
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+-------------------------------------------------------------------------+
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| http://www.cacti.net/ |
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+-------------------------------------------------------------------------+
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*/
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/* get_cdef_item_name - resolves a single CDEF item into its text-based representation
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@arg $cdef_item_id - the id of the individual cdef item
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@returns - a text-based representation of the cdef item */
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function get_cdef_item_name($cdef_item_id) {
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global $cdef_functions, $cdef_operators;
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$cdef_item = db_fetch_row_prepared('SELECT type, value FROM cdef_items WHERE id = ?', array($cdef_item_id));
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$current_cdef_value = $cdef_item['value'];
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switch ($cdef_item['type']) {
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case '1': return $cdef_functions[$current_cdef_value]; break;
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case '2': return $cdef_operators[$current_cdef_value]; break;
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case '4': return $current_cdef_value; break;
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case '5': return db_fetch_cell_prepared('SELECT name FROM cdef WHERE id = ?', array($current_cdef_value)); break;
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case '6': return $current_cdef_value; break;
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}
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}
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/* get_cdef - resolves an entire CDEF into its text-based representation for use in the RRDtool 'graph'
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string. this name will be resolved recursively if necessary
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@arg $cdef_id - the id of the cdef to resolve
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@returns - a text-based representation of the cdef */
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function get_cdef($cdef_id) {
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$cdef_items = db_fetch_assoc_prepared('SELECT id, type, value FROM cdef_items WHERE cdef_id = ? ORDER BY sequence', array($cdef_id));
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$i = 0; $cdef_string = '';
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if (cacti_sizeof($cdef_items) > 0) {
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foreach ($cdef_items as $cdef_item) {
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if ($i > 0) {
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$cdef_string .= ',';
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}
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if ($cdef_item['type'] == 5) {
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$current_cdef_id = $cdef_item['value'];
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$cdef_string .= get_cdef($current_cdef_id);
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} else {
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$cdef_string .= get_cdef_item_name($cdef_item['id']);
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}
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$i++;
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}
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}
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return $cdef_string;
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}
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