/**
* This action will return the power state of each device specified in the database.
*
* @return A JSON encoded object with the state of each device
*/
public function stateAction()
{
$device = Devices::findFirst(array('conditions' => 'ip = ?1', 'bind' => array(1 => $_GET['ip'])));
$state['state'] = Devices::isDeviceOn($device->ip);
$state['ip'] = $device->ip;
die(json_encode($state));
}