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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Admin tool "Opcache management" - Nagios monitoring check, part "web"
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*
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* @package tool_opcache
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* @copyright 2017 Alexander Bias, Ulm University <alexander.bias@uni-ulm.de>
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* @copyright inspired by code by Mikanoshi, https://exchange.icinga.com/Mikanoshi/PHP+opcache+monitoring+plugin
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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// @codingStandardsIgnoreFile
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// Let codechecker ignore this file because otherwise it would complain about a missing MOODLE_INTERNAL check or config.php
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// inclusion which is really not needed.
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require(__DIR__.'/../../../../config.php');
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global $CFG, $PAGE;
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// Die if secret key is set but the submitted secret key is not correct.
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if (isset($CFG->tool_opcache_check_secretkey) &&
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$CFG->tool_opcache_check_secretkey != clean_param($PAGE->url->get_param('secret'), PARAM_ALPHANUM)) {
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echo 'FORBIDDEN';
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exit;
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}
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// Get Opcache status.
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$opcache = opcache_get_status();
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// Pick and calculate Opcache figures.
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$used = $opcache['memory_usage']['used_memory'];
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$free = $opcache['memory_usage']['free_memory'];
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$totalreq = $opcache['opcache_statistics']['blacklist_misses'] + $opcache['opcache_statistics']['misses'] +
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$opcache['opcache_statistics']['hits'];
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$hitspct = round($opcache['opcache_statistics']['opcache_hit_rate'], 2, PHP_ROUND_HALF_UP);
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$misspct = round($opcache['opcache_statistics']['misses'] / $totalreq * 100, 2, PHP_ROUND_HALF_UP);
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// Echo Opcache figures.
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echo $used."\r\n".$free."\r\n".$hitspct."\r\n".$misspct;
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