/**
* the singleton pattern
*
* @return Voipmanager_Controller_Snom_Xml
*/
public static function getInstance()
{
if (self::$_instance === NULL) {
self::$_instance = new Voipmanager_Controller_Snom_Xml();
}
return self::$_instance;
}
/**
* retrieve firmware settings
*
* @param string $mac
*/
public function firmware($mac)
{
$this->_authenticate();
Zend_Registry::get('logger')->debug(__METHOD__ . '::' . __LINE__ . ' get firmware for ' . $mac);
$controller = Voipmanager_Controller_Snom_Phone::getInstance();
$phone = $controller->getByMacAddress($mac);
$phone = $this->_setStatus($phone, 'firmware');
$xmlFirmware = Voipmanager_Controller_Snom_Xml::getInstance()->getFirmware($phone);
header('Content-Type: application/xml');
// we must sent this header, as the snom phones can't work with chunked encoding
header('Content-Length: ' . strlen($xmlFirmware));
echo $xmlFirmware;
}