friendica/src/Worker/Cron.php

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<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
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*/
namespace Friendica\Worker;
use Friendica\Core\Hook;
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use Friendica\Core\Logger;
use Friendica\Core\Worker;
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use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Tag;
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use Friendica\Protocol\Relay;
class Cron
{
public static function execute()
{
$a = DI::app();
$last = DI::config()->get('system', 'last_cron');
$poll_interval = intval(DI::config()->get('system', 'cron_interval'));
if ($last) {
$next = $last + ($poll_interval * 60);
if ($next > time()) {
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Logger::notice('cron intervall not reached');
return;
}
}
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Logger::notice('start');
// Ensure to have a .htaccess file.
// this is a precaution for systems that update automatically
$basepath = $a->getBasePath();
if (!file_exists($basepath . '/.htaccess') && is_writable($basepath)) {
copy($basepath . '/.htaccess-dist', $basepath . '/.htaccess');
}
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if (DI::config()->get('system', 'delete_sleeping_processes')) {
self::deleteSleepingProcesses();
}
// Fork the cron jobs in separate parts to avoid problems when one of them is crashing
Hook::fork(PRIORITY_MEDIUM, 'cron');
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// Poll contacts
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Worker::add(PRIORITY_MEDIUM, 'PollContacts');
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// Update contact information
Worker::add(PRIORITY_LOW, 'UpdateContacts');
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// Update server information
Worker::add(PRIORITY_LOW, 'UpdateGServers');
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// run the process to update server directories in the background
Worker::add(PRIORITY_LOW, 'UpdateServerDirectories');
// Expire and remove user entries
Worker::add(PRIORITY_MEDIUM, 'ExpireAndRemoveUsers');
// Call possible post update functions
Worker::add(PRIORITY_LOW, 'PostUpdate');
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// Hourly cron calls
if (DI::config()->get('system', 'last_cron_hourly', 0) + 3600 < time()) {
// Update trending tags cache for the community page
Tag::setLocalTrendingHashtags(24, 20);
Tag::setGlobalTrendingHashtags(24, 20);
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// Search for new contacts in the directory
if (DI::config()->get('system', 'synchronize_directory')) {
Worker::add(PRIORITY_LOW, 'PullDirectory');
}
// Clear cache entries
Worker::add(PRIORITY_LOW, 'ClearCache');
DI::config()->set('system', 'last_cron_hourly', time());
}
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// Daily maintenance cron calls
if (Worker::isInMaintenanceWindow(true)) {
Worker::add(PRIORITY_LOW, 'UpdateContactBirthdays');
Worker::add(PRIORITY_LOW, 'UpdatePhotoAlbums');
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Worker::add(PRIORITY_LOW, 'ExpirePosts');
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Worker::add(PRIORITY_LOW, 'ExpireConversations');
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Worker::add(PRIORITY_LOW, 'RemoveUnusedTags');
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Worker::add(PRIORITY_LOW, 'RemoveUnusedContacts');
Worker::add(PRIORITY_LOW, 'RemoveUnusedAvatars');
// check upstream version?
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Worker::add(PRIORITY_LOW, 'CheckVersion');
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Worker::add(PRIORITY_LOW, 'CheckDeletedContacts');
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if (DI::config()->get('system', 'optimize_tables')) {
Worker::add(PRIORITY_LOW, 'OptimizeTables');
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}
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DI::config()->set('system', 'last_cron_daily', time());
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// Resubscribe to relay servers
Relay::reSubscribe();
}
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Logger::notice('end');
DI::config()->set('system', 'last_cron', time());
}
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/**
* Kill sleeping database processes
*
* @return void
*/
private static function deleteSleepingProcesses()
{
Logger::info('Looking for sleeping processes');
$processes = DBA::p("SHOW FULL PROCESSLIST");
while ($process = DBA::fetch($processes)) {
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if (($process['Command'] != 'Sleep') || ($process['Time'] < 300) || ($process['db'] != DBA::databaseName())) {
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continue;
}
DBA::e("KILL ?", $process['Id']);
Logger::notice('Killed sleeping process', ['id' => $process['Id']]);
}
DBA::close($processes);
}
}