mod/worker.php

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