2 * Copyright (c) 2019 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/session/application.h>
17 #include <vnet/session/application_interface.h>
18 #include <vnet/session/session.h>
21 * Pool of workers associated to apps
23 static app_worker_t *app_workers;
26 app_worker_alloc (application_t * app)
28 app_worker_t *app_wrk;
29 pool_get (app_workers, app_wrk);
30 clib_memset (app_wrk, 0, sizeof (*app_wrk));
31 app_wrk->wrk_index = app_wrk - app_workers;
32 app_wrk->app_index = app->app_index;
33 app_wrk->wrk_map_index = ~0;
34 app_wrk->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
35 clib_spinlock_init (&app_wrk->detached_seg_managers_lock);
36 clib_spinlock_init (&app_wrk->postponed_mq_msgs_lock);
37 APP_DBG ("New app %v worker %u", app->name, app_wrk->wrk_index);
42 app_worker_get (u32 wrk_index)
44 return pool_elt_at_index (app_workers, wrk_index);
48 app_worker_get_if_valid (u32 wrk_index)
50 if (pool_is_free_index (app_workers, wrk_index))
52 return pool_elt_at_index (app_workers, wrk_index);
56 app_worker_free (app_worker_t * app_wrk)
58 application_t *app = application_get (app_wrk->app_index);
59 vnet_unlisten_args_t _a, *a = &_a;
60 u64 handle, *handles = 0, *sm_indices = 0;
61 segment_manager_t *sm;
72 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
73 ls = listen_session_get_from_handle (handle);
74 vec_add1 (handles, app_listen_session_handle (ls));
75 vec_add1 (sm_indices, sm_index);
76 sm = segment_manager_get (sm_index);
80 for (i = 0; i < vec_len (handles); i++)
82 /* Cleanup listener */
83 a->app_index = app->app_index;
84 a->wrk_map_index = app_wrk->wrk_map_index;
85 a->handle = handles[i];
86 (void) vnet_unlisten (a);
88 sm = segment_manager_get_if_valid (sm_indices[i]);
89 if (sm && !segment_manager_app_detached (sm))
91 sm->first_is_protected = 0;
92 segment_manager_init_free (sm);
95 vec_reset_length (handles);
96 vec_free (sm_indices);
97 hash_free (app_wrk->listeners_table);
100 * Connects segment manager cleanup
103 if (app_wrk->connects_seg_manager != APP_INVALID_SEGMENT_MANAGER_INDEX)
105 sm = segment_manager_get (app_wrk->connects_seg_manager);
106 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
107 sm->first_is_protected = 0;
108 segment_manager_init_free (sm);
115 pool_foreach (sh, app_wrk->half_open_table)
116 session_cleanup_half_open (*sh);
118 pool_free (app_wrk->half_open_table);
121 * Detached listener segment managers cleanup
123 for (i = 0; i < vec_len (app_wrk->detached_seg_managers); i++)
125 sm = segment_manager_get (app_wrk->detached_seg_managers[i]);
126 segment_manager_init_free (sm);
128 vec_free (app_wrk->detached_seg_managers);
129 clib_spinlock_free (&app_wrk->detached_seg_managers_lock);
130 clib_spinlock_free (&app_wrk->postponed_mq_msgs_lock);
133 clib_memset (app_wrk, 0xfe, sizeof (*app_wrk));
134 pool_put (app_workers, app_wrk);
138 app_worker_get_app (u32 wrk_index)
140 app_worker_t *app_wrk;
141 app_wrk = app_worker_get_if_valid (wrk_index);
144 return application_get_if_valid (app_wrk->app_index);
147 static segment_manager_t *
148 app_worker_alloc_segment_manager (app_worker_t * app_wrk)
150 segment_manager_t *sm;
152 sm = segment_manager_alloc ();
153 sm->app_wrk_index = app_wrk->wrk_index;
154 segment_manager_init (sm);
159 app_worker_alloc_session_fifos (segment_manager_t * sm, session_t * s)
161 svm_fifo_t *rx_fifo = 0, *tx_fifo = 0;
164 if ((rv = segment_manager_alloc_session_fifos (sm, s->thread_index,
165 &rx_fifo, &tx_fifo)))
168 rx_fifo->shr->master_session_index = s->session_index;
169 rx_fifo->master_thread_index = s->thread_index;
171 tx_fifo->shr->master_session_index = s->session_index;
172 tx_fifo->master_thread_index = s->thread_index;
174 s->rx_fifo = rx_fifo;
175 s->tx_fifo = tx_fifo;
180 app_worker_init_listener (app_worker_t * app_wrk, session_t * ls)
182 segment_manager_t *sm;
184 /* Allocate segment manager. All sessions derived out of a listen session
185 * have fifos allocated by the same segment manager. */
186 if (!(sm = app_worker_alloc_segment_manager (app_wrk)))
187 return SESSION_E_ALLOC;
189 /* Once the first segment is mapped, don't remove it until unlisten */
190 sm->first_is_protected = 1;
192 /* Keep track of the segment manager for the listener or this worker */
193 hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
194 segment_manager_index (sm));
196 if (transport_connection_is_cless (session_get_transport (ls)))
199 return SESSION_E_NOSUPPORT;
200 return app_worker_alloc_session_fifos (sm, ls);
206 app_worker_start_listen (app_worker_t * app_wrk,
207 app_listener_t * app_listener)
212 if (clib_bitmap_get (app_listener->workers, app_wrk->wrk_map_index))
213 return SESSION_E_ALREADY_LISTENING;
215 app_listener->workers = clib_bitmap_set (app_listener->workers,
216 app_wrk->wrk_map_index, 1);
218 if (app_listener->session_index != SESSION_INVALID_INDEX)
220 ls = session_get (app_listener->session_index, 0);
221 if ((rv = app_worker_init_listener (app_wrk, ls)))
225 if (app_listener->local_index != SESSION_INVALID_INDEX)
227 ls = session_get (app_listener->local_index, 0);
228 if ((rv = app_worker_init_listener (app_wrk, ls)))
236 app_worker_add_detached_sm (app_worker_t * app_wrk, u32 sm_index)
238 vec_add1 (app_wrk->detached_seg_managers, sm_index);
242 app_worker_del_detached_sm (app_worker_t * app_wrk, u32 sm_index)
246 clib_spinlock_lock (&app_wrk->detached_seg_managers_lock);
247 for (i = 0; i < vec_len (app_wrk->detached_seg_managers); i++)
249 if (app_wrk->detached_seg_managers[i] == sm_index)
251 vec_del1 (app_wrk->detached_seg_managers, i);
255 clib_spinlock_unlock (&app_wrk->detached_seg_managers_lock);
259 app_worker_stop_listen_session (app_worker_t * app_wrk, session_t * ls)
261 session_handle_t handle;
262 segment_manager_t *sm;
264 session_state_t *states = 0;
266 handle = listen_session_get_handle (ls);
267 sm_indexp = hash_get (app_wrk->listeners_table, handle);
268 if (PREDICT_FALSE (!sm_indexp))
271 /* Dealloc fifos, if any (dgram listeners) */
274 segment_manager_dealloc_fifos (ls->rx_fifo, ls->tx_fifo);
275 ls->tx_fifo = ls->rx_fifo = 0;
278 /* Try to cleanup segment manager */
279 sm = segment_manager_get (*sm_indexp);
282 sm->first_is_protected = 0;
283 segment_manager_app_detach (sm);
284 if (!segment_manager_has_fifos (sm))
286 /* Empty segment manager, cleanup it up */
287 segment_manager_free (sm);
291 /* Delete sessions in CREATED state */
292 vec_add1 (states, SESSION_STATE_CREATED);
293 segment_manager_del_sessions_filter (sm, states);
296 /* Track segment manager in case app detaches and all the
297 * outstanding sessions need to be closed */
298 app_worker_add_detached_sm (app_wrk, *sm_indexp);
299 sm->flags |= SEG_MANAGER_F_DETACHED_LISTENER;
303 hash_unset (app_wrk->listeners_table, handle);
307 app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al)
311 if (!clib_bitmap_get (al->workers, app_wrk->wrk_map_index))
314 if (al->session_index != SESSION_INVALID_INDEX)
316 ls = listen_session_get (al->session_index);
317 app_worker_stop_listen_session (app_wrk, ls);
320 if (al->local_index != SESSION_INVALID_INDEX)
322 ls = listen_session_get (al->local_index);
323 app_worker_stop_listen_session (app_wrk, ls);
326 clib_bitmap_set_no_check (al->workers, app_wrk->wrk_map_index, 0);
327 if (clib_bitmap_is_zero (al->workers))
328 app_listener_cleanup (al);
334 app_worker_init_accepted (session_t * s)
336 app_worker_t *app_wrk;
337 segment_manager_t *sm;
341 listener = listen_session_get_from_handle (s->listener_handle);
342 app_wrk = application_listener_select_worker (listener);
343 if (PREDICT_FALSE (app_wrk->mq_congested))
346 s->app_wrk_index = app_wrk->wrk_index;
347 app = application_get (app_wrk->app_index);
348 if (app->cb_fns.fifo_tuning_callback)
349 s->flags |= SESSION_F_CUSTOM_FIFO_TUNING;
351 sm = app_worker_get_listen_segment_manager (app_wrk, listener);
352 if (app_worker_alloc_session_fifos (sm, s))
359 app_worker_accept_notify (app_worker_t * app_wrk, session_t * s)
361 application_t *app = application_get (app_wrk->app_index);
362 return app->cb_fns.session_accept_callback (s);
366 app_worker_init_connected (app_worker_t * app_wrk, session_t * s)
368 application_t *app = application_get (app_wrk->app_index);
369 segment_manager_t *sm;
371 if (app->cb_fns.fifo_tuning_callback)
372 s->flags |= SESSION_F_CUSTOM_FIFO_TUNING;
374 /* Allocate fifos for session, unless the app is a builtin proxy */
375 if (application_is_builtin_proxy (app))
378 sm = app_worker_get_connect_segment_manager (app_wrk);
379 return app_worker_alloc_session_fifos (sm, s);
383 app_worker_connect_notify (app_worker_t * app_wrk, session_t * s,
384 session_error_t err, u32 opaque)
386 application_t *app = application_get (app_wrk->app_index);
387 return app->cb_fns.session_connected_callback (app_wrk->wrk_index, opaque,
392 app_worker_add_half_open (app_worker_t *app_wrk, session_handle_t sh)
394 session_handle_t *shp;
396 ASSERT (session_vlib_thread_is_cl_thread ());
397 pool_get (app_wrk->half_open_table, shp);
400 return (shp - app_wrk->half_open_table);
404 app_worker_del_half_open (app_worker_t *app_wrk, session_t *s)
406 application_t *app = application_get (app_wrk->app_index);
407 ASSERT (session_vlib_thread_is_cl_thread ());
408 pool_put_index (app_wrk->half_open_table, s->ho_index);
409 if (app->cb_fns.half_open_cleanup_callback)
410 app->cb_fns.half_open_cleanup_callback (s);
415 app_worker_close_notify (app_worker_t * app_wrk, session_t * s)
417 application_t *app = application_get (app_wrk->app_index);
418 app->cb_fns.session_disconnect_callback (s);
423 app_worker_transport_closed_notify (app_worker_t * app_wrk, session_t * s)
425 application_t *app = application_get (app_wrk->app_index);
426 if (app->cb_fns.session_transport_closed_callback)
427 app->cb_fns.session_transport_closed_callback (s);
432 app_worker_reset_notify (app_worker_t * app_wrk, session_t * s)
434 application_t *app = application_get (app_wrk->app_index);
435 app->cb_fns.session_reset_callback (s);
440 app_worker_cleanup_notify (app_worker_t * app_wrk, session_t * s,
441 session_cleanup_ntf_t ntf)
443 application_t *app = application_get (app_wrk->app_index);
444 if (app->cb_fns.session_cleanup_callback)
445 app->cb_fns.session_cleanup_callback (s, ntf);
450 app_worker_builtin_rx (app_worker_t * app_wrk, session_t * s)
452 application_t *app = application_get (app_wrk->app_index);
453 app->cb_fns.builtin_app_rx_callback (s);
458 app_worker_builtin_tx (app_worker_t * app_wrk, session_t * s)
460 application_t *app = application_get (app_wrk->app_index);
462 if (!app->cb_fns.builtin_app_tx_callback)
465 app->cb_fns.builtin_app_tx_callback (s);
470 app_worker_migrate_notify (app_worker_t * app_wrk, session_t * s,
471 session_handle_t new_sh)
473 application_t *app = application_get (app_wrk->app_index);
474 app->cb_fns.session_migrate_callback (s, new_sh);
479 app_worker_own_session (app_worker_t * app_wrk, session_t * s)
481 segment_manager_t *sm;
482 svm_fifo_t *rxf, *txf;
485 if (s->session_state == SESSION_STATE_LISTENING)
486 return application_change_listener_owner (s, app_wrk);
488 s->app_wrk_index = app_wrk->wrk_index;
499 sm = app_worker_get_connect_segment_manager (app_wrk);
500 if ((rv = app_worker_alloc_session_fifos (sm, s)))
503 if (!svm_fifo_is_empty_cons (rxf))
504 svm_fifo_clone (s->rx_fifo, rxf);
506 if (!svm_fifo_is_empty_cons (txf))
507 svm_fifo_clone (s->tx_fifo, txf);
509 segment_manager_dealloc_fifos (rxf, txf);
515 app_worker_connect_session (app_worker_t *app_wrk, session_endpoint_cfg_t *sep,
516 session_handle_t *rsh)
518 if (PREDICT_FALSE (app_wrk->mq_congested))
519 return SESSION_E_REFUSED;
521 sep->app_wrk_index = app_wrk->wrk_index;
523 return session_open (sep, rsh);
527 app_worker_session_fifo_tuning (app_worker_t * app_wrk, session_t * s,
529 session_ft_action_t act, u32 len)
531 application_t *app = application_get (app_wrk->app_index);
532 return app->cb_fns.fifo_tuning_callback (s, f, act, len);
536 app_worker_get_connect_segment_manager (app_worker_t * app)
538 ASSERT (app->connects_seg_manager != (u32) ~ 0);
539 return segment_manager_get (app->connects_seg_manager);
543 app_worker_get_listen_segment_manager (app_worker_t * app,
544 session_t * listener)
547 smp = hash_get (app->listeners_table, listen_session_get_handle (listener));
548 ALWAYS_ASSERT (smp != 0);
549 return segment_manager_get (*smp);
553 app_worker_first_listener (app_worker_t * app_wrk, u8 fib_proto,
561 sst = session_type_from_proto_and_ip (transport_proto,
562 fib_proto == FIB_PROTOCOL_IP4);
565 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
566 listener = listen_session_get_from_handle (handle);
567 if (listener->session_type == sst
568 && !(listener->flags & SESSION_F_PROXY))
577 app_worker_proxy_listener (app_worker_t * app_wrk, u8 fib_proto,
585 sst = session_type_from_proto_and_ip (transport_proto,
586 fib_proto == FIB_PROTOCOL_IP4);
589 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
590 listener = listen_session_get_from_handle (handle);
591 if (listener->session_type == sst && (listener->flags & SESSION_F_PROXY))
600 * Send an API message to the external app, to map new segment
603 app_worker_add_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
605 application_t *app = application_get (app_wrk->app_index);
607 return app->cb_fns.add_segment_callback (app_wrk->wrk_index,
612 app_worker_del_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
614 application_t *app = application_get (app_wrk->app_index);
615 return app->cb_fns.del_segment_callback (app_wrk->wrk_index,
620 app_worker_application_is_builtin (app_worker_t * app_wrk)
622 return app_wrk->app_is_builtin;
626 app_wrk_send_fd (app_worker_t *app_wrk, int fd)
628 if (!appns_sapi_enabled ())
630 vl_api_registration_t *reg;
634 vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
637 clib_warning ("no api registration for client: %u",
638 app_wrk->api_client_index);
642 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
645 error = vl_api_send_fd_msg (reg, &fd, 1);
648 clib_error_report (error);
655 app_sapi_msg_t smsg = { 0 };
656 app_namespace_t *app_ns;
662 app = application_get (app_wrk->app_index);
663 app_ns = app_namespace_get (app->ns_index);
664 cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
665 cs = appns_sapi_get_socket (app_ns, cs_index);
666 if (PREDICT_FALSE (!cs))
669 /* There's no payload for the message only the type */
670 smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
671 error = clib_socket_sendmsg (cs, &smsg, sizeof (smsg), &fd, 1);
674 clib_error_report (error);
682 mq_try_lock_and_alloc_msg (svm_msg_q_t *mq, session_mq_rings_e ring,
683 svm_msg_q_msg_t *msg)
689 rv = svm_msg_q_lock_and_alloc_msg_w_ring (mq, ring, SVM_Q_NOWAIT, msg);
693 * Break the loop if mq is full, usually this is because the
694 * app has crashed or is hanging on somewhere.
705 typedef union app_wrk_mq_rpc_args_
713 } app_wrk_mq_rpc_ags_t;
716 app_wrk_handle_mq_postponed_msgs (void *arg)
718 svm_msg_q_msg_t _mq_msg, *mq_msg = &_mq_msg;
719 app_wrk_postponed_msg_t *pm;
720 app_wrk_mq_rpc_ags_t args;
721 u32 max_msg, n_msg = 0;
722 app_worker_t *app_wrk;
723 session_event_t *evt;
726 args.as_uword = pointer_to_uword (arg);
727 app_wrk = app_worker_get_if_valid (args.app_wrk_index);
731 mq = app_wrk->event_queue;
733 clib_spinlock_lock (&app_wrk->postponed_mq_msgs_lock);
735 max_msg = clib_min (32, clib_fifo_elts (app_wrk->postponed_mq_msgs));
737 while (n_msg < max_msg)
739 pm = clib_fifo_head (app_wrk->postponed_mq_msgs);
740 if (mq_try_lock_and_alloc_msg (mq, pm->ring, mq_msg))
743 evt = svm_msg_q_msg_data (mq, mq_msg);
744 clib_memset (evt, 0, sizeof (*evt));
745 evt->event_type = pm->event_type;
746 clib_memcpy_fast (evt->data, pm->data, pm->len);
749 app_wrk_send_fd (app_wrk, pm->fd);
751 svm_msg_q_add_and_unlock (mq, mq_msg);
753 clib_fifo_advance_head (app_wrk->postponed_mq_msgs, 1);
757 if (!clib_fifo_elts (app_wrk->postponed_mq_msgs))
759 app_wrk->mq_congested = 0;
763 session_send_rpc_evt_to_thread_force (
764 args.thread_index, app_wrk_handle_mq_postponed_msgs,
765 uword_to_pointer (args.as_uword, void *));
768 clib_spinlock_unlock (&app_wrk->postponed_mq_msgs_lock);
774 app_wrk_add_mq_postponed_msg (app_worker_t *app_wrk, session_mq_rings_e ring,
775 u8 evt_type, void *msg, u32 msg_len, int fd)
777 app_wrk_postponed_msg_t *pm;
779 clib_spinlock_lock (&app_wrk->postponed_mq_msgs_lock);
781 app_wrk->mq_congested = 1;
783 clib_fifo_add2 (app_wrk->postponed_mq_msgs, pm);
784 clib_memcpy_fast (pm->data, msg, msg_len);
785 pm->event_type = evt_type;
790 if (clib_fifo_elts (app_wrk->postponed_mq_msgs) == 1)
792 app_wrk_mq_rpc_ags_t args = { .thread_index = vlib_get_thread_index (),
793 .app_wrk_index = app_wrk->wrk_index };
795 session_send_rpc_evt_to_thread_force (
796 args.thread_index, app_wrk_handle_mq_postponed_msgs,
797 uword_to_pointer (args.as_uword, void *));
800 clib_spinlock_unlock (&app_wrk->postponed_mq_msgs_lock);
804 app_wrk_send_ctrl_evt_inline (app_worker_t *app_wrk, u8 evt_type, void *msg,
807 svm_msg_q_msg_t _mq_msg, *mq_msg = &_mq_msg;
808 svm_msg_q_t *mq = app_wrk->event_queue;
809 session_event_t *evt;
812 if (PREDICT_FALSE (app_wrk->mq_congested))
813 goto handle_congestion;
815 rv = mq_try_lock_and_alloc_msg (mq, SESSION_MQ_CTRL_EVT_RING, mq_msg);
816 if (PREDICT_FALSE (rv))
817 goto handle_congestion;
819 evt = svm_msg_q_msg_data (mq, mq_msg);
820 clib_memset (evt, 0, sizeof (*evt));
821 evt->event_type = evt_type;
822 clib_memcpy_fast (evt->data, msg, msg_len);
825 app_wrk_send_fd (app_wrk, fd);
827 svm_msg_q_add_and_unlock (mq, mq_msg);
833 app_wrk_add_mq_postponed_msg (app_wrk, SESSION_MQ_CTRL_EVT_RING, evt_type,
838 app_wrk_send_ctrl_evt_fd (app_worker_t *app_wrk, u8 evt_type, void *msg,
841 app_wrk_send_ctrl_evt_inline (app_wrk, evt_type, msg, msg_len, fd);
845 app_wrk_send_ctrl_evt (app_worker_t *app_wrk, u8 evt_type, void *msg,
848 app_wrk_send_ctrl_evt_inline (app_wrk, evt_type, msg, msg_len, -1);
852 app_send_io_evt_rx (app_worker_t * app_wrk, session_t * s)
854 svm_msg_q_msg_t _mq_msg = { 0 }, *mq_msg = &_mq_msg;
855 session_event_t *evt;
860 if (app_worker_application_is_builtin (app_wrk))
861 return app_worker_builtin_rx (app_wrk, s);
863 if (svm_fifo_has_event (s->rx_fifo))
866 app_session = s->rx_fifo->shr->client_session_index;
867 mq = app_wrk->event_queue;
869 if (PREDICT_FALSE (app_wrk->mq_congested))
870 goto handle_congestion;
872 rv = mq_try_lock_and_alloc_msg (mq, SESSION_MQ_IO_EVT_RING, mq_msg);
874 if (PREDICT_FALSE (rv))
875 goto handle_congestion;
877 evt = svm_msg_q_msg_data (mq, mq_msg);
878 evt->event_type = SESSION_IO_EVT_RX;
879 evt->session_index = app_session;
881 (void) svm_fifo_set_event (s->rx_fifo);
883 svm_msg_q_add_and_unlock (mq, mq_msg);
889 app_wrk_add_mq_postponed_msg (app_wrk, SESSION_MQ_IO_EVT_RING,
890 SESSION_IO_EVT_RX, &app_session,
891 sizeof (app_session), -1);
896 app_send_io_evt_tx (app_worker_t * app_wrk, session_t * s)
898 svm_msg_q_msg_t _mq_msg = { 0 }, *mq_msg = &_mq_msg;
899 session_event_t *evt;
904 if (app_worker_application_is_builtin (app_wrk))
905 return app_worker_builtin_tx (app_wrk, s);
907 app_session = s->tx_fifo->shr->client_session_index;
908 mq = app_wrk->event_queue;
910 if (PREDICT_FALSE (app_wrk->mq_congested))
911 goto handle_congestion;
913 rv = mq_try_lock_and_alloc_msg (mq, SESSION_MQ_IO_EVT_RING, mq_msg);
915 if (PREDICT_FALSE (rv))
916 goto handle_congestion;
918 evt = svm_msg_q_msg_data (mq, mq_msg);
919 evt->event_type = SESSION_IO_EVT_TX;
920 evt->session_index = app_session;
922 svm_msg_q_add_and_unlock (mq, mq_msg);
928 app_wrk_add_mq_postponed_msg (app_wrk, SESSION_MQ_IO_EVT_RING,
929 SESSION_IO_EVT_TX, &app_session,
930 sizeof (app_session), -1);
935 typedef int (app_send_evt_handler_fn) (app_worker_t *app,
937 static app_send_evt_handler_fn * const app_send_evt_handler_fns[2] = {
944 * Send event to application
946 * Logic from queue perspective is blocking. However, if queue is full,
950 app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
953 return app_send_evt_handler_fns[evt_type] (app, s);
957 format_app_worker_listener (u8 * s, va_list * args)
959 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
960 u64 handle = va_arg (*args, u64);
961 u32 sm_index = va_arg (*args, u32);
962 int verbose = va_arg (*args, int);
970 s = format (s, "%-" SESSION_CLI_ID_LEN "s%-25s%-10s%-15s%-15s%-10s",
971 "Connection", "App", "Wrk", "API Client", "ListenerID",
974 s = format (s, "%-" SESSION_CLI_ID_LEN "s%-25s%-10s", "Connection",
980 app_name = application_name_from_index (app_wrk->app_index);
981 listener = listen_session_get_from_handle (handle);
982 str = format (0, "%U", format_session, listener, verbose);
987 buf = format (0, "%u(%u)", app_wrk->wrk_map_index, app_wrk->wrk_index);
988 s = format (s, "%-" SESSION_CLI_ID_LEN "v%-25v%-10v%-15u%-15u%-10u", str,
989 app_name, buf, app_wrk->api_client_index, handle, sm_index);
993 s = format (s, "%-" SESSION_CLI_ID_LEN "v%-25v%=10u", str, app_name,
994 app_wrk->wrk_map_index);
1002 format_app_worker (u8 * s, va_list * args)
1004 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
1008 "%U wrk-index %u app-index %u map-index %u "
1009 "api-client-index %d mq-cong %u\n",
1010 format_white_space, indent, app_wrk->wrk_index,
1011 app_wrk->app_index, app_wrk->wrk_map_index,
1012 app_wrk->api_client_index, app_wrk->mq_congested);
1017 app_worker_format_connects (app_worker_t * app_wrk, int verbose)
1019 segment_manager_t *sm;
1024 segment_manager_format_sessions (0, verbose);
1028 if (app_wrk->connects_seg_manager == (u32) ~ 0)
1031 sm = segment_manager_get (app_wrk->connects_seg_manager);
1032 segment_manager_format_sessions (sm, verbose);
1036 * fd.io coding-style-patch-verification: ON
1039 * eval: (c-set-style "gnu")