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https://github.com/moodle/moodle.git
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309ae8921f
Centralise management of all types of cron tasks with registration, scheduling, parallel task conflicts(blocking) and running once off tasks, all using an administration screen. This is a combination of several issues: MDL-25502: Added "black magic" task allocator for cron MDL-25503: Add step to cron to run all scheduled tasks MDL-25504 cron: Refactor to use scheduler MDL-25505: Add an admin interface to schedule tasks via cron. MDL-25507: Add support for adhoc tasks.
58 lines
1.8 KiB
PHP
58 lines
1.8 KiB
PHP
<?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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* Scheduled task abstract class.
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*
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* @package core
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* @copyright 2013 onwards Martin Dougiamas http://dougiamas.com
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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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namespace core\task;
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/**
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* Simple task to cleanup user sessions from a scheduled task.
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*/
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class session_cleanup_task extends scheduled_task {
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/**
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* Get a descriptive name for this task (shown to admins).
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*
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* @return string
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*/
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public function get_name() {
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return get_string('tasksessioncleanup', 'admin');
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}
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/**
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* Do the job.
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* Throw exceptions on errors (the job will be retried).
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*/
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public function execute() {
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global $DB;
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$timenow = time();
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\core\session\manager::gc();
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// Cleanup old session linked tokens.
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// Deletes the session linked tokens that are over a day old.
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$DB->delete_records_select('external_tokens', 'lastaccess < :onedayago AND tokentype = :tokentype',
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array('onedayago' => $timenow - DAYSECS, 'tokentype' => EXTERNAL_TOKEN_EMBEDDED));
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}
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}
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