mirror of
https://github.com/Cacti/cacti.git
synced 2026-11-10 06:23:13 +09:00
91 lines
3.5 KiB
PHP
91 lines
3.5 KiB
PHP
<?php
|
|
/*
|
|
+-------------------------------------------------------------------------+
|
|
| Copyright (C) 2004-2026 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/ |
|
|
+-------------------------------------------------------------------------+
|
|
*/
|
|
|
|
/**
|
|
* Retrieves the name of a CDEF item based on its ID.
|
|
*
|
|
* This function fetches the type and value of a CDEF item from the database and returns
|
|
* the corresponding name or value based on the item's type.
|
|
*
|
|
* @param int $cdef_item_id The ID of the CDEF item.
|
|
*
|
|
* @return string The name or value of the CDEF item.
|
|
*/
|
|
function get_cdef_item_name(int $cdef_item_id) : string {
|
|
global $cdef_functions, $cdef_operators;
|
|
|
|
$cdef_item = db_fetch_row_prepared('SELECT type, value FROM cdef_items WHERE id = ?', [$cdef_item_id]);
|
|
$current_cdef_value = $cdef_item['value'];
|
|
|
|
switch ($cdef_item['type']) {
|
|
case '1':
|
|
return (string) $cdef_functions[$current_cdef_value];
|
|
case '2':
|
|
return (string) $cdef_operators[$current_cdef_value];
|
|
case '4':
|
|
return (string) $current_cdef_value;
|
|
case '5':
|
|
return (string) db_fetch_cell_prepared('SELECT name FROM cdef WHERE id = ?', [$current_cdef_value]);
|
|
case '6':
|
|
return (string) $current_cdef_value;
|
|
}
|
|
|
|
return '';
|
|
}
|
|
/**
|
|
* Resolves an entire CDEF into its text-based representation for use in the RRDtool 'graph'
|
|
* string. this name will be resolved recursively if necessary
|
|
*
|
|
* This function fetches the CDEF items associated with the provided CDEF ID from the database,
|
|
* constructs the CDEF string by iterating through the items, and handles nested CDEFs recursively.
|
|
*
|
|
* @param int $cdef_id The ID of the CDEF to retrieve.
|
|
*
|
|
* @return string The constructed CDEF string.
|
|
*/
|
|
function get_cdef(int $cdef_id) : string {
|
|
$cdef_items = db_fetch_assoc_prepared('SELECT id, type, value FROM cdef_items WHERE cdef_id = ? ORDER BY sequence', [$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;
|
|
}
|