2015-04-12 11:22:43 +00:00
|
|
|
<?php
|
2016-08-21 13:07:14 +00:00
|
|
|
/**
|
|
|
|
* ObjectCache.php
|
|
|
|
*
|
|
|
|
* -Description-
|
|
|
|
*
|
2015-04-12 11:22:43 +00:00
|
|
|
* 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 3 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.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
2021-02-08 23:29:04 +00:00
|
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
2016-08-21 13:07:14 +00:00
|
|
|
*
|
2021-02-08 23:29:04 +00:00
|
|
|
* @link https://www.librenms.org
|
2021-09-10 18:09:53 +00:00
|
|
|
*
|
2016-08-21 13:07:14 +00:00
|
|
|
* @copyright 2015 Daniel Preussker <f0o@devilcode.org>
|
|
|
|
* @copyright 2015 LibreNMS
|
|
|
|
* @author Daniel Preussker (f0o) <f0o@devilcode.org>
|
2015-04-12 11:22:43 +00:00
|
|
|
*/
|
|
|
|
|
2016-08-21 13:07:14 +00:00
|
|
|
namespace LibreNMS;
|
|
|
|
|
|
|
|
use ArrayAccess;
|
2015-04-12 11:22:43 +00:00
|
|
|
|
2016-08-28 22:32:55 +00:00
|
|
|
class ObjectCache implements ArrayAccess
|
|
|
|
{
|
2015-04-12 11:22:43 +00:00
|
|
|
private $data = [];
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
private $obj = '';
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
/**
|
2016-08-21 13:07:14 +00:00
|
|
|
* Initialize ObjectCache
|
2021-09-10 18:09:53 +00:00
|
|
|
*
|
2021-09-08 21:35:56 +00:00
|
|
|
* @param string $obj Name of Object
|
2015-04-12 11:22:43 +00:00
|
|
|
*/
|
2016-08-28 22:32:55 +00:00
|
|
|
public function __construct($obj)
|
|
|
|
{
|
2015-04-12 11:22:43 +00:00
|
|
|
$this->obj = $obj;
|
|
|
|
if (isset($GLOBALS['_ObjCache'][$obj])) {
|
|
|
|
$this->data = $GLOBALS['_ObjCacheSkell'][$obj];
|
2016-08-28 22:32:55 +00:00
|
|
|
} else {
|
2016-09-15 07:46:26 +00:00
|
|
|
if (! isset($GLOBALS['_ObjCacheSkell']) || ! is_array($GLOBALS['_ObjCacheSkell'])) {
|
2015-04-12 11:22:43 +00:00
|
|
|
$GLOBALS['_ObjCacheSkell'] = [];
|
|
|
|
}
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2016-09-15 07:46:26 +00:00
|
|
|
if (! isset($GLOBALS['_ObjCache']) || ! is_array($GLOBALS['_ObjCache'])) {
|
2015-04-12 11:22:43 +00:00
|
|
|
$GLOBALS['_ObjCache'] = [];
|
|
|
|
}
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2019-06-23 05:29:12 +00:00
|
|
|
if (file_exists(\LibreNMS\Config::get('install_dir') . '/includes/caches/' . $obj . '.inc.php')) {
|
2015-04-12 11:22:43 +00:00
|
|
|
$data = [];
|
2019-06-23 05:29:12 +00:00
|
|
|
include \LibreNMS\Config::get('install_dir') . '/includes/caches/' . $obj . '.inc.php';
|
2015-04-12 11:22:43 +00:00
|
|
|
$this->data = $data;
|
|
|
|
$GLOBALS['_ObjCacheSkell'][$obj] = $this->data;
|
2016-09-15 07:46:26 +00:00
|
|
|
if (! (isset($GLOBALS['_ObjCache'][$obj]) && is_array($GLOBALS['_ObjCache'][$obj]))) {
|
2015-04-12 11:22:43 +00:00
|
|
|
$GLOBALS['_ObjCache'][$obj] = $this->data;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}//end if
|
|
|
|
}
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
//end __construct()
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
/**
|
|
|
|
* Check if data exists
|
2021-09-10 18:09:53 +00:00
|
|
|
*
|
2022-09-05 21:19:39 +00:00
|
|
|
* @param mixed $obj Name of Data-Object
|
2015-04-12 11:22:43 +00:00
|
|
|
* @return bool
|
|
|
|
*/
|
2022-09-05 21:19:39 +00:00
|
|
|
public function offsetExists($obj): bool
|
2016-08-28 22:32:55 +00:00
|
|
|
{
|
2015-04-12 11:22:43 +00:00
|
|
|
if (isset($this->data[$obj])) {
|
|
|
|
return true;
|
|
|
|
}
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
return false;
|
|
|
|
}
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
//end offsetExists()
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
/**
|
|
|
|
* Get Data-Object
|
2021-09-10 18:09:53 +00:00
|
|
|
*
|
2022-09-05 21:19:39 +00:00
|
|
|
* @param mixed $obj Name of Data-Object
|
2015-04-12 11:22:43 +00:00
|
|
|
*/
|
2023-04-17 11:51:35 +00:00
|
|
|
public function offsetGet($obj): mixed
|
2016-08-28 22:32:55 +00:00
|
|
|
{
|
2023-04-17 11:51:35 +00:00
|
|
|
if (! isset($this->data[$obj])) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
if (isset($this->data[$obj]['value'])) {
|
|
|
|
return $this->data[$obj]['value'];
|
|
|
|
} elseif (isset($GLOBALS['_ObjCache'][$this->obj][$obj]['value'])) {
|
|
|
|
return $GLOBALS['_ObjCache'][$this->obj][$obj]['value'];
|
|
|
|
} else {
|
|
|
|
$GLOBALS['_ObjCache'][$this->obj][$obj]['value'] = dbFetchRows($this->data[$obj]['query'], isset($this->data[$obj]['params']) ? $this->data[$obj]['params'] : []);
|
2023-05-24 20:21:54 +00:00
|
|
|
if (count($GLOBALS['_ObjCache'][$this->obj][$obj]['value']) == 1 && count($GLOBALS['_ObjCache'][$this->obj][$obj]['value'][0]) == 1) {
|
2023-04-17 11:51:35 +00:00
|
|
|
$GLOBALS['_ObjCache'][$this->obj][$obj]['value'] = current($GLOBALS['_ObjCache'][$this->obj][$obj]['value'][0]);
|
2015-04-12 11:22:43 +00:00
|
|
|
}
|
2023-04-17 11:51:35 +00:00
|
|
|
|
|
|
|
return $GLOBALS['_ObjCache'][$this->obj][$obj]['value'];
|
2015-04-12 11:22:43 +00:00
|
|
|
}
|
|
|
|
}
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
//end offsetGet()
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
/**
|
|
|
|
* Overrides internal Cache-Object
|
2021-09-10 18:09:53 +00:00
|
|
|
*
|
2022-09-05 21:19:39 +00:00
|
|
|
* @param mixed $obj Name of Data-Object
|
2021-09-08 21:35:56 +00:00
|
|
|
* @param mixed $value Value
|
2022-09-05 21:19:39 +00:00
|
|
|
* @return void
|
2015-04-12 11:22:43 +00:00
|
|
|
*/
|
2022-09-05 21:19:39 +00:00
|
|
|
public function offsetSet($obj, $value): void
|
2016-08-28 22:32:55 +00:00
|
|
|
{
|
2018-09-11 12:51:35 +00:00
|
|
|
if (! isset($this->data[$obj])) {
|
2015-04-12 11:22:43 +00:00
|
|
|
$this->data[$obj] = [];
|
|
|
|
}
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
$this->data[$obj]['value'] = $value;
|
|
|
|
}
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
//end offsetSet()
|
2015-07-13 18:10:26 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
/**
|
|
|
|
* Reset Data-Object
|
2021-09-10 18:09:53 +00:00
|
|
|
*
|
2022-09-05 21:19:39 +00:00
|
|
|
* @param mixed $obj Name of Data-Object
|
|
|
|
* @return void
|
2015-04-12 11:22:43 +00:00
|
|
|
*/
|
2022-09-05 21:19:39 +00:00
|
|
|
public function offsetUnset($obj): void
|
2016-08-28 22:32:55 +00:00
|
|
|
{
|
2015-04-12 11:22:43 +00:00
|
|
|
unset($this->data[$obj]['value']);
|
|
|
|
}
|
2020-09-21 12:54:51 +00:00
|
|
|
|
2015-04-12 11:22:43 +00:00
|
|
|
//end offsetUnset()
|
|
|
|
}//end class
|