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|
<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2024 The Cacti Group |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDtool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
/* get_cdef_item_name - resolves a single CDEF item into its text-based representation
@arg $cdef_item_id - the id of the individual cdef item
@returns - a text-based representation of the cdef item */
function get_cdef_item_name($cdef_item_id) {
global $cdef_functions, $cdef_operators;
$cdef_item = db_fetch_row_prepared('SELECT type, value FROM cdef_items WHERE id = ?', array($cdef_item_id));
$current_cdef_value = $cdef_item['value'];
switch ($cdef_item['type']) {
case '1': return $cdef_functions[$current_cdef_value]; break;
case '2': return $cdef_operators[$current_cdef_value]; break;
case '4': return $current_cdef_value; break;
case '5': return db_fetch_cell_prepared('SELECT name FROM cdef WHERE id = ?', array($current_cdef_value)); break;
case '6': return $current_cdef_value; break;
}
}
/* get_cdef - resolves an entire CDEF into its text-based representation for use in the RRDtool 'graph'
string. this name will be resolved recursively if necessary
@arg $cdef_id - the id of the cdef to resolve
@returns - a text-based representation of the cdef */
function get_cdef($cdef_id) {
$cdef_items = db_fetch_assoc_prepared('SELECT id, type, value FROM cdef_items WHERE cdef_id = ? ORDER BY sequence', array($cdef_id));
$i = 0; $cdef_string = '';
if (cacti_sizeof($cdef_items) > 0) {
foreach ($cdef_items as $cdef_item) {
if ($i > 0) {
$cdef_string .= ',';
}
if ($cdef_item['type'] == 5) {
$current_cdef_id = $cdef_item['value'];
$cdef_string .= get_cdef($current_cdef_id);
} else {
$cdef_string .= get_cdef_item_name($cdef_item['id']);
}
$i++;
}
}
return $cdef_string;
}
|
