710eac403c
Minutely will NOT necessarily run by the minute, because it depends on site visitors. Busy sites will be able to do this, but sites where the visitors (or search engine stuff or api calls) are more than a minute apart, the interval will be much larger.
60 lines
2.0 KiB
PHP
60 lines
2.0 KiB
PHP
<?php
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/**
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* GNU social cron-on-visit class
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*
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* Keeps track, through Config dataobject class, of relative time since the
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* last run in order to to run event handlers with certain intervals.
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*
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* @category Cron
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* @package GNUsocial
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* @author Mikael Nordfeldth <mmn@hethane.se>
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* @copyright 2013 Free Software Foundation, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class Cronish
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{
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/**
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* Will call events as close as it gets to one hour. Event handlers
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* which use this MUST be as quick as possible, maybe only adding a
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* queue item to be handled later or something. Otherwise execution
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* will timeout for PHP - or at least cause unnecessary delays for
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* the unlucky user who visits the site exactly at one of these events.
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*/
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public function callTimedEvents()
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{
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$timers = array('minutely' => 60, // this is NOT guaranteed to run every minute (only on busy sites)
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'hourly' => 3600,
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'daily' => 86400,
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'weekly' => 604800);
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foreach($timers as $name=>$interval) {
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$run = false;
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$lastrun = new Config();
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$lastrun->section = 'cron';
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$lastrun->setting = 'last_' . $name;
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$found = $lastrun->find(true);
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if (!$found) {
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$lastrun->value = time();
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if ($lastrun->insert() === false) {
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common_log(LOG_WARNING, "Could not save 'cron' setting '{$name}'");
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continue;
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}
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$run = true;
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} elseif ($lastrun->value < time() - $interval) {
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$orig = clone($lastrun);
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$lastrun->value = time();
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$lastrun->update($orig);
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$run = true;
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}
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if ($run === true) {
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// such as CronHourly, CronDaily, CronWeekly
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Event::handle('Cron' . ucfirst($name));
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}
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}
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}
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}
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