session: flag instead of state for filtering ntf

Avoid situations when notifications are delayed for long enough for
transports to start closing/cleaning up.

Type: fix

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Id35b0099adb5242108154a5e19d5ee15e6ca0058

Author: florincoras

src/vnet/session/session_input.c

@@ -194,12 +194,12 @@ app_worker_flush_events_inline (app_worker_t *app_wrk, u32 thread_index,
 	  break;
 	case SESSION_CTRL_EVT_DISCONNECTED:
 	  s = session_get (evt->session_index, thread_index);
-	  if (s->session_state <= SESSION_STATE_TRANSPORT_CLOSING)
+	  if (!(s->flags & SESSION_F_APP_CLOSED))
 	    app->cb_fns.session_disconnect_callback (s);
 	  break;
 	case SESSION_CTRL_EVT_RESET:
 	  s = session_get (evt->session_index, thread_index);
-	  if (s->session_state <= SESSION_STATE_TRANSPORT_CLOSING)
+	  if (!(s->flags & SESSION_F_APP_CLOSED))
 	    app->cb_fns.session_reset_callback (s);
 	  break;
 	case SESSION_CTRL_EVT_UNLISTEN_REPLY: