Files
piratepoet/lib/Cron/Daemon.php

115 lines
3.4 KiB
PHP

<?php
namespace MailPoet\Cron;
use MailPoet\Cron\Workers\Scheduler as SchedulerWorker;
use MailPoet\Cron\Workers\SendingQueue\SendingQueue as SendingQueueWorker;
use MailPoet\Cron\Workers\Bounce as BounceWorker;
use MailPoet\Cron\Workers\KeyCheck\PremiumKeyCheck as PremiumKeyCheckWorker;
use MailPoet\Cron\Workers\KeyCheck\SendingServiceKeyCheck as SendingServiceKeyCheckWorker;
if(!defined('ABSPATH')) exit;
require_once(ABSPATH . 'wp-includes/pluggable.php');
class Daemon {
public $daemon;
public $request_data;
public $timer;
const REQUEST_TIMEOUT = 5; // seconds
function __construct($request_data = false) {
$this->request_data = $request_data;
$this->daemon = CronHelper::getDaemon();
$this->token = CronHelper::createToken();
$this->timer = microtime(true);
}
function ping() {
$this->terminateRequest('pong');
}
function run() {
ignore_user_abort(true);
if(!$this->request_data) {
$error = __('Invalid or missing request data.', 'mailpoet');
} else {
if(!$this->daemon) {
$error = __('Daemon does not exist.', 'mailpoet');
} else {
if(!isset($this->request_data['token']) ||
$this->request_data['token'] !== $this->daemon['token']
) {
$error = 'Invalid or missing token.';
}
}
}
if(!empty($error)) {
return $this->abortWithError($error);
}
$daemon = $this->daemon;
$daemon['token'] = $this->token;
CronHelper::saveDaemon($daemon);
try {
$this->executeScheduleWorker();
$this->executeQueueWorker();
$this->executeSendingServiceKeyCheckWorker();
$this->executePremiumKeyCheckWorker();
$this->executeBounceWorker();
} catch(\Exception $e) {
// continue processing, no need to handle errors
}
// if workers took less time to execute than the daemon execution limit,
// pause daemon execution to ensure that daemon runs only once every X seconds
$elapsed_time = microtime(true) - $this->timer;
if($elapsed_time < CronHelper::DAEMON_EXECUTION_LIMIT) {
$this->pauseExecution(CronHelper::DAEMON_EXECUTION_LIMIT - $elapsed_time);
}
// after each execution, re-read daemon data in case it changed
$daemon = CronHelper::getDaemon();
if(!$daemon || $daemon['token'] !== $this->token) {
return $this->terminateRequest();
}
return $this->callSelf();
}
function pauseExecution($pause_time) {
return sleep($pause_time);
}
function executeScheduleWorker() {
$scheduler = new SchedulerWorker($this->timer);
return $scheduler->process();
}
function executeQueueWorker() {
$queue = new SendingQueueWorker($this->timer);
return $queue->process();
}
function executeSendingServiceKeyCheckWorker() {
$worker = new SendingServiceKeyCheckWorker($this->timer);
return $worker->process();
}
function executePremiumKeyCheckWorker() {
$worker = new PremiumKeyCheckWorker($this->timer);
return $worker->process();
}
function executeBounceWorker() {
$bounce = new BounceWorker($this->timer);
return $bounce->process();
}
function callSelf() {
CronHelper::accessDaemon($this->token, self::REQUEST_TIMEOUT);
return $this->terminateRequest();
}
function abortWithError($message) {
status_header(404, $message);
exit;
}
function terminateRequest($message = false) {
die($message);
}
}