3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Worker;
24 use Friendica\Core\Hook;
25 use Friendica\Core\Logger;
26 use Friendica\Core\Worker;
27 use Friendica\Database\DBA;
29 use Friendica\Model\Tag;
33 public static function execute()
37 $last = DI::config()->get('system', 'last_cron');
39 $poll_interval = intval(DI::config()->get('system', 'cron_interval'));
42 $next = $last + ($poll_interval * 60);
44 Logger::notice('cron intervall not reached');
49 Logger::notice('start');
51 // Ensure to have a .htaccess file.
52 // this is a precaution for systems that update automatically
53 $basepath = $a->getBasePath();
54 if (!file_exists($basepath . '/.htaccess') && is_writable($basepath)) {
55 copy($basepath . '/.htaccess-dist', $basepath . '/.htaccess');
58 if (DI::config()->get('system', 'delete_sleeping_processes')) {
59 self::deleteSleepingProcesses();
62 // Fork the cron jobs in separate parts to avoid problems when one of them is crashing
63 Hook::fork(PRIORITY_MEDIUM, 'cron');
66 Worker::add(PRIORITY_MEDIUM, 'PollContacts');
68 // Update contact information
69 Worker::add(PRIORITY_LOW, 'UpdateContacts');
71 // Update server information
72 Worker::add(PRIORITY_LOW, 'UpdateGServers');
74 // run the process to update server directories in the background
75 Worker::add(PRIORITY_LOW, 'UpdateServerDirectories');
77 // Expire and remove user entries
78 Worker::add(PRIORITY_MEDIUM, 'ExpireAndRemoveUsers');
80 // Call possible post update functions
81 Worker::add(PRIORITY_LOW, 'PostUpdate');
84 if (DI::config()->get('system', 'last_cron_hourly', 0) + 3600 < time()) {
86 // Update trending tags cache for the community page
87 Tag::setLocalTrendingHashtags(24, 20);
88 Tag::setGlobalTrendingHashtags(24, 20);
90 // Search for new contacts in the directory
91 if (DI::config()->get('system', 'synchronize_directory')) {
92 Worker::add(PRIORITY_LOW, 'PullDirectory');
95 // Delete all done workerqueue entries
96 Worker::add(PRIORITY_LOW, 'CleanWorkerQueue');
98 // Clear cache entries
99 Worker::add(PRIORITY_LOW, 'ClearCache');
101 DI::config()->set('system', 'last_cron_hourly', time());
104 // Daily maintenance cron calls
105 if (Worker::isInMaintenanceWindow(true)) {
107 Worker::add(PRIORITY_LOW, 'UpdateContactBirthdays');
109 Worker::add(PRIORITY_LOW, 'UpdatePhotoAlbums');
111 Worker::add(PRIORITY_LOW, 'ExpirePosts');
113 Worker::add(PRIORITY_LOW, 'ExpireConversations');
115 Worker::add(PRIORITY_LOW, 'RemoveUnusedContacts');
117 Worker::add(PRIORITY_LOW, 'RemoveUnusedAvatars');
119 // check upstream version?
120 Worker::add(PRIORITY_LOW, 'CheckVersion');
122 Worker::add(PRIORITY_LOW, 'CheckDeletedContacts');
124 if (DI::config()->get('system', 'optimize_tables')) {
125 Worker::add(PRIORITY_LOW, 'OptimizeTables');
128 DI::config()->set('system', 'last_cron_daily', time());
131 Logger::notice('end');
133 DI::config()->set('system', 'last_cron', time());
137 * Kill sleeping database processes
141 private static function deleteSleepingProcesses()
143 Logger::info('Looking for sleeping processes');
145 $processes = DBA::p("SHOW FULL PROCESSLIST");
146 while ($process = DBA::fetch($processes)) {
147 if (($process['Command'] != 'Sleep') || ($process['Time'] < 300) || ($process['db'] != DBA::databaseName())) {
151 DBA::e("KILL ?", $process['Id']);
152 Logger::notice('Killed sleeping process', ['id' => $process['Id']]);
154 DBA::close($processes);