protected function daemon()
{
try {
while (!$this->_sigterm) {
// Find first task that is not being executed
$task = task_queue::get_next_task();
if ($task != null && $task->loaded() && count($this->_pids) < $this->_config['max']) {
// Task found
// Write log to prevent memory issues
Kohana::$log->write();
// Fork process to execute task
$pid = pcntl_fork();
if ($pid == -1) {
Kohana::$log->add('error', 'Queue. Could not spawn child task process.');
exit;
} elseif ($pid) {
// Parent - add the child's PID to the running list
$this->_pids[$pid] = time();
} else {
try {
// Child - Execute task
Kohana::$log->add('debug', strtr('Child - Execute task - route: :route, uri: :uri', array(':route' => $task->route, ':uri' => http_build_query($task->uri))));
// fun teh route/action - acts like an include (watch for include() or require() duplicates)
Request::factory(Route::get($task->route)->uri($task->uri))->execute();
} catch (Exception $e) {
// Task failed - log message
Kohana::$log->add('error', strtr('Queue. Task failed - route: :route, uri: :uri, msg: :msg', array(':route' => $task->route, ':uri' => http_build_query($task->uri), ':msg' => $e->getMessage())));
}
// Remove task from queue
// either because it ran or because it failed
task_queue::remove_task($task->id);
unset($task);
//
exit;
}
} else {
// No task in queue - sleep
usleep($this->_config['sleep']);
}
}
// clean up
$this->clean();
} catch (Exception $e) {
Kohana::$log->add('error', 'Queue. Daemon failed, msg: ' . $e->getMessage());
}
}
public static function daemon_stop()
{
$pids = task_queue::get_pid('--uri=daemon');
foreach ($pids as $pid) {
echo 'kill ' . $pid . '<br/>';
shell_exec('kill ' . $pid);
}
}
