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<?php
/**
* ---------------------------------------------------------------------
*
* GLPI - Gestionnaire Libre de Parc Informatique
*
* http://glpi-project.org
*
* @copyright 2015-2023 Teclib' and contributors.
* @copyright 2003-2014 by the INDEPNET Development Team.
* @licence https://www.gnu.org/licenses/gpl-3.0.html
*
* ---------------------------------------------------------------------
*
* LICENSE
*
* This file is part of GLPI.
*
* 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
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* ---------------------------------------------------------------------
*/
/**
* class XHProf
*
* @since 0.84
*
* Il you need to "profile" some part of code
*
* Install the pecl/xhprof extension
*
* Add XHPROF_PATH and XHPROF_URL in config/local_define.php (if needed)
*
* Before the code
* $prof = new XHProf("something useful");
*
* If the code contains an exit() or a redirect() you must also call (before)
* unset($prof);
*
* php-errors.log will give you the URL of the result.
*/
class XHProf
{
// this can be overloaded in config/local_define.php
const XHPROF_PATH = '/usr/share/xhprof/xhprof_lib';
const XHPROF_URL = '/xhprof';
private static $run = false;
/**
* @param $msg (default '')
**/
public function __construct($msg = '')
{
$this->start($msg);
}
public function __destruct()
{
$this->stop();
}
/**
* @param $msg (default '')
**/
public function start($msg = '')
{
if (
!self::$run
&& function_exists('xhprof_enable')
) {
xhprof_enable(
XHPROF_FLAGS_NO_BUILTINS
| XHPROF_FLAGS_CPU
| XHPROF_FLAGS_MEMORY
);
if (class_exists('Toolbox')) {
Toolbox::logDebug("Start profiling with XHProf", $msg);
}
self::$run = true;
}
}
public function stop()
{
if (self::$run) {
$data = xhprof_disable();
$incl = (defined('XHPROF_PATH') ? XHPROF_PATH : self::XHPROF_PATH);
include_once $incl . '/utils/xhprof_lib.php';
include_once $incl . '/utils/xhprof_runs.php';
$runs = new XHProfRuns_Default();
$id = $runs->save_run($data, 'glpi');
$url = (defined('XHPROF_URL') ? XHPROF_URL : self::XHPROF_URL);
$host = (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost');
$link = "http://" . $host . "$url/index.php?run=$id&source=glpi";
Toolbox::logDebug("Stop profiling with XHProf, result URL", $link);
self::$run = false;
}
}
}