extern void afb_session_unref(struct afb_session *session);
extern void afb_session_close(struct afb_session *session);
+extern int afb_session_is_active (struct afb_session *session);
+extern int afb_session_is_closed (struct afb_session *session);
extern int afb_session_check_token(struct afb_session *session, const char *token);
extern void afb_session_new_token(struct afb_session *session);