* - SUCCESS if header could be parsed
* - OUT_OF_RES if out of ressources
* - PARSE_ERROR if corrupted/invalid data found
+ * - FAILED if consistence check of header failed
*/
status_t (*parse_header) (message_t *this);
* - OUT_OF_RES if out of ressources
* - FAILED if message type is not suppported!
* - PARSE_ERROR if corrupted/invalid data found
+ * - VERIFY_ERROR if verification of some payload failed
*/
status_t (*parse_body) (message_t *this);