/**
* Daemon action to run every minute (need to be manually added to the server's cron schedule)
* and check if any of the specified tasks by user can be executed.
* For each task get CronProcess instance with information of it's current state. Check run conditions (time and
* date, uniqueness) and run wrapper command if all conditions are met.
*/
public function actionDaemon()
{
$this->_service->loadTasks();
/** @var CronTask $task */
foreach ($this->_service->getActiveTasks() as $task) {
if (!$task->canRun()) {
continue;
}
if ($task->getProcessInfo()->isRunning() && $task->isUnique()) {
CronService::log("Cannot run task '{$task->getName()}': it is still running and does not allow overlapping (is unique)", CLogger::LEVEL_WARNING);
} else {
$task->getProcessInfo()->runWrapper();
}
}
}
/**
* Check if task process really active and running
*/
private function checkProcessAvailability()
{
if ($this->pid !== null && $this->status === self::STATUS_RUNNING) {
exec("ps -p {$this->pid} -o pid", $output);
if (count($output) != 2) {
$this->pid = null;
$this->status = self::STATUS_FAILED;
CronService::log("Task '{$this->name}' unexpectedly finished. Check logs and console command", CLogger::LEVEL_ERROR);
}
}
}
