+int app_worker_init_accepted (session_t * s);
+int app_worker_accept_notify (app_worker_t * app_wrk, session_t * s);
+int app_worker_init_connected (app_worker_t * app_wrk, session_t * s);
+int app_worker_connect_notify (app_worker_t * app_wrk, session_t * s,
+ u32 opaque);
+int app_worker_close_notify (app_worker_t * app_wrk, session_t * s);
+int app_worker_transport_closed_notify (app_worker_t * app_wrk,
+ session_t * s);
+int app_worker_reset_notify (app_worker_t * app_wrk, session_t * s);
+int app_worker_cleanup_notify (app_worker_t * app_wrk, session_t * s,
+ session_cleanup_ntf_t ntf);
+int app_worker_migrate_notify (app_worker_t * app_wrk, session_t * s,
+ session_handle_t new_sh);
+int app_worker_builtin_rx (app_worker_t * app_wrk, session_t * s);
+int app_worker_builtin_tx (app_worker_t * app_wrk, session_t * s);
+int app_worker_session_fifo_tuning (app_worker_t * app_wrk, session_t * s,
+ svm_fifo_t * f,
+ session_ft_action_t act, u32 len);