session: async rx event notifications

[vpp.git] / src / vnet / session / application.h

diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h
index c3d6180..5505d91 100644 (file)
--- a/src/vnet/session/application.h
+++ b/src/vnet/session/application.h
@@ -77,17 +77,17 @@ typedef struct app_worker_
   /** Pool of half-open session handles. Tracked in case worker detaches */
   session_handle_t *half_open_table;
 
+  /* Per vpp worker fifos of events for app worker */
+  session_event_t **wrk_evts;
+
+  /* Vector of vpp workers mq congestion flags */
+  u8 *wrk_mq_congested;
+
   /** Protects detached seg managers */
   clib_spinlock_t detached_seg_managers_lock;
 
   /** Vector of detached listener segment managers */
   u32 *detached_seg_managers;
-
-  /** Fifo of messages postponed because of mq congestion */
-  app_wrk_postponed_msg_t *postponed_mq_msgs;
-
-  /** Lock to add/sub message from ref @postponed_mq_msgs */
-  clib_spinlock_t postponed_mq_msgs_lock;
 } app_worker_t;
 
 typedef struct app_worker_map_
@@ -317,6 +317,12 @@ void application_enable_rx_mqs_nodes (u8 is_en);
  * App worker
  */
 
+always_inline u8
+app_worker_mq_is_congested (app_worker_t *app_wrk)
+{
+  return app_wrk->mq_congested > 0;
+}
+
 app_worker_t *app_worker_alloc (application_t * app);
 int application_alloc_worker_and_init (application_t * app,
                                       app_worker_t ** wrk);
@@ -331,6 +337,10 @@ session_error_t app_worker_start_listen (app_worker_t *app_wrk,
                                         app_listener_t *lstnr);
 int app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al);
 int app_worker_init_accepted (session_t * s);
+int app_worker_listened_notify (app_worker_t *app_wrk, session_handle_t alsh,
+                               u32 opaque, int err);
+int app_worker_unlisten_reply (app_worker_t *app_wrk, session_handle_t sh,
+                              u32 opaque, session_error_t err);
 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,
@@ -343,13 +353,21 @@ int app_worker_transport_closed_notify (app_worker_t * app_wrk,
 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_cleanup_notify_custom (app_worker_t *app_wrk, session_t *s,
+                                     session_cleanup_ntf_t ntf,
+                                     void (*cleanup_cb) (session_t *s));
 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_rx_notify (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);
+void app_worker_add_event (app_worker_t *app_wrk, session_t *s,
+                          session_evt_type_t evt_type);
+void app_worker_add_event_custom (app_worker_t *app_wrk, u32 thread_index,
+                                 session_event_t *evt);
+int app_wrk_flush_wrk_events (app_worker_t *app_wrk, u32 thread_index);
+void app_worker_del_all_events (app_worker_t *app_wrk);
 segment_manager_t *app_worker_get_listen_segment_manager (app_worker_t *,
                                                          session_t *);
 segment_manager_t *app_worker_get_connect_segment_manager (app_worker_t *);
@@ -364,9 +382,10 @@ void app_wrk_send_ctrl_evt_fd (app_worker_t *app_wrk, u8 evt_type, void *msg,
                               u32 msg_len, int fd);
 void app_wrk_send_ctrl_evt (app_worker_t *app_wrk, u8 evt_type, void *msg,
                            u32 msg_len);
-int app_worker_send_event (app_worker_t * app, session_t * s, u8 evt);
-int app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
-                                   u8 evt_type);
+u8 app_worker_mq_wrk_is_congested (app_worker_t *app_wrk, u32 thread_index);
+void app_worker_set_mq_wrk_congested (app_worker_t *app_wrk, u32 thread_index);
+void app_worker_unset_wrk_mq_congested (app_worker_t *app_wrk,
+                                       u32 thread_index);
 session_t *app_worker_proxy_listener (app_worker_t * app, u8 fib_proto,
                                      u8 transport_proto);
 void app_worker_del_detached_sm (app_worker_t * app_wrk, u32 sm_index);
@@ -395,6 +414,12 @@ void sapi_socket_close_w_handle (u32 api_handle);
 crypto_engine_type_t app_crypto_engine_type_add (void);
 u8 app_crypto_engine_n_types (void);
 
+static inline u8
+app_worker_application_is_builtin (app_worker_t *app_wrk)
+{
+  return app_wrk->app_is_builtin;
+}
+
 #endif /* SRC_VNET_SESSION_APPLICATION_H_ */
 
 /*