private function tryRunTask($taskId)
{
// check limit
if ($this->taskDao->countRunning() >= self::TASK_POOL_SIZE) {
$this->logger->warn('Task pool is full.');
return;
}
$task = $this->taskDao->find($taskId);
$jobId = $task['job_id'];
// check signal
$jobIds = $this->jobDao->getDependencies($jobId);
if (count($jobIds) > 0) {
if (!$this->jobDao->checkSignals($jobIds, $this->now->format('Y-m-d'))) {
$this->logger->debug("Task {$taskId} is waiting for signal.");
return;
}
}
// run task
$this->taskDao->updateStatus($taskId, SchedulerTaskDao::STATUS_RUNNING);
$this->jobDao->updateTaskStatus($jobId, SchedulerTaskDao::STATUS_RUNNING);
shell_exec('php ' . __DIR__ . '/launcher.php scheduler_run.php ' . $taskId . ' >/dev/null 2>&1 &');
$this->logger->info("Run task [id: {$taskId}, job_id: {$jobId}]");
}
