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1 <?php
2 /**
3  * @file mod/worker.php
4  * @brief Module for running the worker as frontend process
5  */
6
7 use Friendica\Core\Config;
8 use Friendica\Core\Logger;
9 use Friendica\Core\Worker;
10 use Friendica\Database\DBA;
11 use Friendica\Util\DateTimeFormat;
12
13 function worker_init()
14 {
15
16         if (!Config::get("system", "frontend_worker")) {
17                 return;
18         }
19
20         // We don't need the following lines if we can execute background jobs.
21         // So we just wake up the worker if it sleeps.
22         if (function_exists("proc_open")) {
23                 Worker::executeIfIdle();
24                 return;
25         }
26
27         Worker::clearProcesses();
28
29         $workers = q("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'worker.php'");
30
31         if ($workers[0]["processes"] > Config::get("system", "worker_queues", 4)) {
32                 return;
33         }
34
35         Worker::startProcess();
36
37         Logger::log("Front end worker started: ".getmypid());
38
39         Worker::callWorker();
40
41         if ($r = Worker::workerProcess()) {
42                 // On most configurations this parameter wouldn't have any effect.
43                 // But since it doesn't destroy anything, we just try to get more execution time in any way.
44                 set_time_limit(0);
45
46                 $fields = ['executed' => DateTimeFormat::utcNow(), 'pid' => getmypid(), 'done' => false];
47                 $condition =  ['id' => $r[0]["id"], 'pid' => 0];
48                 if (DBA::update('workerqueue', $fields, $condition)) {
49                         Worker::execute($r[0]);
50                 }
51         }
52
53         Worker::callWorker();
54
55         Worker::unclaimProcess();
56
57         Worker::endProcess();
58
59         Logger::log("Front end worker ended: ".getmypid());
60
61         killme();
62 }