- rewrite of logger_manager, uses now one instance per context

- cleanups for logger here and there
- removed critical flag check in payload verification (conformance to IKEv2)
- so thats and theres everywere... ;-)

Source/charon/network/socket.h

@@ -92,6 +92,15 @@ struct socket_t {
 	 */
 	status_t (*send) (socket_t *sock, packet_t *packet);
 	
+	/**
+	 * @brief Check if socket listens on an address.
+	 * 
+	 * @param sock			socket_t object to work on
+	 * @param host			address to check
+	 * @return 				TRUE if listening on host, FALSE otherwise
+	 */
+	bool (*is_listening_on) (socket_t *sock, host_t *host);
+	
 	/**
 	 * @brief Destroy sockets.
 	 *