src/Worker/Cron.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   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.
  11  *
  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.
  16  *
  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/>.
  19  *
  20  */
  21
  22 namespace Friendica\Worker;
  23
  24 use Friendica\Core\Hook;
  25 use Friendica\Core\Logger;
  26 use Friendica\Core\Worker;
  27 use Friendica\Database\DBA;
  28 use Friendica\DI;
  29 use Friendica\Model\Tag;
  30 use Friendica\Protocol\Relay;
  31
  32 class Cron
  33 {
  34         public static function execute()
  35         {
  36                 $a = DI::app();
  37
  38                 $last = DI::config()->get('system', 'last_cron');
  39
  40                 $poll_interval = intval(DI::config()->get('system', 'cron_interval'));
  41
  42                 if ($last) {
  43                         $next = $last + ($poll_interval * 60);
  44                         if ($next > time()) {
  45                                 Logger::notice('cron intervall not reached');
  46                                 return;
  47                         }
  48                 }
  49
  50                 Logger::notice('start');
  51
  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');
  57                 }
  58
  59                 if (DI::config()->get('system', 'delete_sleeping_processes')) {
  60                         self::deleteSleepingProcesses();
  61                 }
  62
  63                 // Fork the cron jobs in separate parts to avoid problems when one of them is crashing
  64                 Hook::fork(PRIORITY_MEDIUM, 'cron');
  65
  66                 // Poll contacts
  67                 Worker::add(PRIORITY_MEDIUM, 'PollContacts');
  68
  69                 // Update contact information
  70                 Worker::add(PRIORITY_LOW, 'UpdateContacts');
  71
  72                 // Update server information
  73                 Worker::add(PRIORITY_LOW, 'UpdateGServers');
  74
  75                 // run the process to update server directories in the background
  76                 Worker::add(PRIORITY_LOW, 'UpdateServerDirectories');
  77
  78                 // Expire and remove user entries
  79                 Worker::add(PRIORITY_MEDIUM, 'ExpireAndRemoveUsers');
  80
  81                 // Call possible post update functions
  82                 Worker::add(PRIORITY_LOW, 'PostUpdate');
  83
  84                 // Hourly cron calls
  85                 if (DI::config()->get('system', 'last_cron_hourly', 0) + 3600 < time()) {
  86
  87                         // Update trending tags cache for the community page
  88                         Tag::setLocalTrendingHashtags(24, 20);
  89                         Tag::setGlobalTrendingHashtags(24, 20);
  90
  91                         // Search for new contacts in the directory
  92                         if (DI::config()->get('system', 'synchronize_directory')) {
  93                                 Worker::add(PRIORITY_LOW, 'PullDirectory');
  94                         }
  95
  96                         // Clear cache entries
  97                         Worker::add(PRIORITY_LOW, 'ClearCache');
  98
  99                         DI::config()->set('system', 'last_cron_hourly', time());
 100                 }
 101
 102                 // Daily maintenance cron calls
 103                 if (Worker::isInMaintenanceWindow(true)) {
 104
 105                         Worker::add(PRIORITY_LOW, 'UpdateContactBirthdays');
 106
 107                         Worker::add(PRIORITY_LOW, 'UpdatePhotoAlbums');
 108
 109                         Worker::add(PRIORITY_LOW, 'ExpirePosts');
 110
 111                         Worker::add(PRIORITY_LOW, 'ExpireConversations');
 112
 113                         Worker::add(PRIORITY_LOW, 'RemoveUnusedTags');
 114
 115                         Worker::add(PRIORITY_LOW, 'RemoveUnusedContacts');
 116
 117                         Worker::add(PRIORITY_LOW, 'RemoveUnusedAvatars');
 118
 119                         // check upstream version?
 120                         Worker::add(PRIORITY_LOW, 'CheckVersion');
 121
 122                         Worker::add(PRIORITY_LOW, 'CheckDeletedContacts');
 123
 124                         if (DI::config()->get('system', 'optimize_tables')) {
 125                                 Worker::add(PRIORITY_LOW, 'OptimizeTables');
 126                         }
 127
 128                         DI::config()->set('system', 'last_cron_daily', time());
 129
 130                         // Resubscribe to relay servers
 131                         Relay::reSubscribe();
 132                 }
 133
 134                 Logger::notice('end');
 135
 136                 DI::config()->set('system', 'last_cron', time());
 137         }
 138
 139         /**
 140          * Kill sleeping database processes
 141          *
 142          * @return void
 143          */
 144         private static function deleteSleepingProcesses()
 145         {
 146                 Logger::info('Looking for sleeping processes');
 147
 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())) {
 151                                 continue;
 152                         }
 153
 154                         DBA::e("KILL ?", $process['Id']);
 155                         Logger::notice('Killed sleeping process', ['id' => $process['Id']]);
 156                 }
 157                 DBA::close($processes);
 158         }
 159 }