public function clientAction()
    {
        $worker = $this->getWorker();
        // Worker can be undefined if server went away
        // For the current instance or if we have no instance selected
        if(!$worker) {
            return new RedirectResponse($this->generateUrl('ringo_php_redmon'));
        }
        return $this->render(
            $this->getTemplatePath().'client.html.twig',
            array(
                'instance' => $worker->getInstance(),
                'clients'=> $worker->getClients()
            )
        );
    }