3 * @copyright Copyright (C) 2010-2022, 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;
30 use Friendica\Protocol\Relay;
34 public static function execute()
38 $last = DI::config()->get('system', 'last_cron');
40 $poll_interval = intval(DI::config()->get('system', 'cron_interval'));
43 $next = $last + ($poll_interval * 60);
45 Logger::notice('cron intervall not reached');
50 Logger::notice('start');
52 // Ensure to have a .htaccess file.
53 // this is a precaution for systems that update automatically
54 $basepath = $a->getBasePath();
55 if (!file_exists($basepath . '/.htaccess') && is_writable($basepath)) {
56 copy($basepath . '/.htaccess-dist', $basepath . '/.htaccess');
59 if (DI::config()->get('system', 'delete_sleeping_processes')) {
60 self::deleteSleepingProcesses();
63 // Fork the cron jobs in separate parts to avoid problems when one of them is crashing
64 Hook::fork(PRIORITY_MEDIUM, 'cron');
67 Worker::add(PRIORITY_MEDIUM, 'PollContacts');
69 // Update contact information
70 Worker::add(PRIORITY_LOW, 'UpdateContacts');
72 // Update server information
73 Worker::add(PRIORITY_LOW, 'UpdateGServers');
75 // run the process to update server directories in the background
76 Worker::add(PRIORITY_LOW, 'UpdateServerDirectories');
78 // Expire and remove user entries
79 Worker::add(PRIORITY_MEDIUM, 'ExpireAndRemoveUsers');
81 // Call possible post update functions
82 Worker::add(PRIORITY_LOW, 'PostUpdate');
85 if (DI::config()->get('system', 'last_cron_hourly', 0) + 3600 < time()) {
87 // Update trending tags cache for the community page
88 Tag::setLocalTrendingHashtags(24, 20);
89 Tag::setGlobalTrendingHashtags(24, 20);
91 // Search for new contacts in the directory
92 if (DI::config()->get('system', 'synchronize_directory')) {
93 Worker::add(PRIORITY_LOW, 'PullDirectory');
96 // Clear cache entries
97 Worker::add(PRIORITY_LOW, 'ClearCache');
99 DI::config()->set('system', 'last_cron_hourly', time());
102 // Daily maintenance cron calls
103 if (Worker::isInMaintenanceWindow(true)) {
105 Worker::add(PRIORITY_LOW, 'UpdateContactBirthdays');
107 Worker::add(PRIORITY_LOW, 'UpdatePhotoAlbums');
109 Worker::add(PRIORITY_LOW, 'ExpirePosts');
111 Worker::add(PRIORITY_LOW, 'ExpireConversations');
113 Worker::add(PRIORITY_LOW, 'RemoveUnusedTags');
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());
130 // Resubscribe to relay servers
131 Relay::reSubscribe();
134 Logger::notice('end');
136 DI::config()->set('system', 'last_cron', time());
140 * Kill sleeping database processes
144 private static function deleteSleepingProcesses()
146 Logger::info('Looking for sleeping processes');
148 $processes = DBA::p("SHOW FULL PROCESSLIST");
149 while ($process = DBA::fetch($processes)) {
150 if (($process['Command'] != 'Sleep') || ($process['Time'] < 300) || ($process['db'] != DBA::databaseName())) {
154 DBA::e("KILL ?", $process['Id']);
155 Logger::notice('Killed sleeping process', ['id' => $process['Id']]);
157 DBA::close($processes);