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 (vlib_get_thread_index () == 0);
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 (vlib_get_thread_index () <= 1);
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;
484 if (s->session_state == SESSION_STATE_LISTENING)
485 return application_change_listener_owner (s, app_wrk);
487 s->app_wrk_index = app_wrk->wrk_index;
498 sm = app_worker_get_connect_segment_manager (app_wrk);
499 if (app_worker_alloc_session_fifos (sm, s))
502 if (!svm_fifo_is_empty_cons (rxf))
503 svm_fifo_clone (s->rx_fifo, rxf);
505 if (!svm_fifo_is_empty_cons (txf))
506 svm_fifo_clone (s->tx_fifo, txf);
508 segment_manager_dealloc_fifos (rxf, txf);
514 app_worker_connect_session (app_worker_t *app_wrk, session_endpoint_cfg_t *sep,
515 session_handle_t *rsh)
517 if (PREDICT_FALSE (app_wrk->mq_congested))
518 return SESSION_E_REFUSED;
520 sep->app_wrk_index = app_wrk->wrk_index;
522 return session_open (sep, rsh);
526 app_worker_session_fifo_tuning (app_worker_t * app_wrk, session_t * s,
528 session_ft_action_t act, u32 len)
530 application_t *app = application_get (app_wrk->app_index);
531 return app->cb_fns.fifo_tuning_callback (s, f, act, len);
535 app_worker_get_connect_segment_manager (app_worker_t * app)
537 ASSERT (app->connects_seg_manager != (u32) ~ 0);
538 return segment_manager_get (app->connects_seg_manager);
542 app_worker_get_listen_segment_manager (app_worker_t * app,
543 session_t * listener)
546 smp = hash_get (app->listeners_table, listen_session_get_handle (listener));
547 ALWAYS_ASSERT (smp != 0);
548 return segment_manager_get (*smp);
552 app_worker_first_listener (app_worker_t * app_wrk, u8 fib_proto,
560 sst = session_type_from_proto_and_ip (transport_proto,
561 fib_proto == FIB_PROTOCOL_IP4);
564 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
565 listener = listen_session_get_from_handle (handle);
566 if (listener->session_type == sst
567 && !(listener->flags & SESSION_F_PROXY))
576 app_worker_proxy_listener (app_worker_t * app_wrk, u8 fib_proto,
584 sst = session_type_from_proto_and_ip (transport_proto,
585 fib_proto == FIB_PROTOCOL_IP4);
588 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
589 listener = listen_session_get_from_handle (handle);
590 if (listener->session_type == sst && (listener->flags & SESSION_F_PROXY))
599 * Send an API message to the external app, to map new segment
602 app_worker_add_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
604 application_t *app = application_get (app_wrk->app_index);
606 return app->cb_fns.add_segment_callback (app_wrk->wrk_index,
611 app_worker_del_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
613 application_t *app = application_get (app_wrk->app_index);
614 return app->cb_fns.del_segment_callback (app_wrk->wrk_index,
619 app_worker_application_is_builtin (app_worker_t * app_wrk)
621 return app_wrk->app_is_builtin;
625 app_wrk_send_fd (app_worker_t *app_wrk, int fd)
627 if (!appns_sapi_enabled ())
629 vl_api_registration_t *reg;
633 vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
636 clib_warning ("no api registration for client: %u",
637 app_wrk->api_client_index);
641 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
644 error = vl_api_send_fd_msg (reg, &fd, 1);
647 clib_error_report (error);
654 app_sapi_msg_t smsg = { 0 };
655 app_namespace_t *app_ns;
661 app = application_get (app_wrk->app_index);
662 app_ns = app_namespace_get (app->ns_index);
663 cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
664 cs = appns_sapi_get_socket (app_ns, cs_index);
665 if (PREDICT_FALSE (!cs))
668 /* There's no payload for the message only the type */
669 smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
670 error = clib_socket_sendmsg (cs, &smsg, sizeof (smsg), &fd, 1);
673 clib_error_report (error);
681 mq_try_lock_and_alloc_msg (svm_msg_q_t *mq, session_mq_rings_e ring,
682 svm_msg_q_msg_t *msg)
688 rv = svm_msg_q_lock_and_alloc_msg_w_ring (mq, ring, SVM_Q_NOWAIT, msg);
692 * Break the loop if mq is full, usually this is because the
693 * app has crashed or is hanging on somewhere.
704 typedef union app_wrk_mq_rpc_args_
712 } app_wrk_mq_rpc_ags_t;
715 app_wrk_handle_mq_postponed_msgs (void *arg)
717 svm_msg_q_msg_t _mq_msg, *mq_msg = &_mq_msg;
718 app_wrk_postponed_msg_t *pm;
719 app_wrk_mq_rpc_ags_t args;
720 u32 max_msg, n_msg = 0;
721 app_worker_t *app_wrk;
722 session_event_t *evt;
725 args.as_uword = pointer_to_uword (arg);
726 app_wrk = app_worker_get_if_valid (args.app_wrk_index);
730 mq = app_wrk->event_queue;
732 clib_spinlock_lock (&app_wrk->postponed_mq_msgs_lock);
734 max_msg = clib_min (32, clib_fifo_elts (app_wrk->postponed_mq_msgs));
736 while (n_msg < max_msg)
738 pm = clib_fifo_head (app_wrk->postponed_mq_msgs);
739 if (mq_try_lock_and_alloc_msg (mq, pm->ring, mq_msg))
742 evt = svm_msg_q_msg_data (mq, mq_msg);
743 clib_memset (evt, 0, sizeof (*evt));
744 evt->event_type = pm->event_type;
745 clib_memcpy_fast (evt->data, pm->data, pm->len);
748 app_wrk_send_fd (app_wrk, pm->fd);
750 svm_msg_q_add_and_unlock (mq, mq_msg);
752 clib_fifo_advance_head (app_wrk->postponed_mq_msgs, 1);
756 if (!clib_fifo_elts (app_wrk->postponed_mq_msgs))
758 app_wrk->mq_congested = 0;
762 session_send_rpc_evt_to_thread_force (
763 args.thread_index, app_wrk_handle_mq_postponed_msgs,
764 uword_to_pointer (args.as_uword, void *));
767 clib_spinlock_unlock (&app_wrk->postponed_mq_msgs_lock);
773 app_wrk_add_mq_postponed_msg (app_worker_t *app_wrk, session_mq_rings_e ring,
774 u8 evt_type, void *msg, u32 msg_len, int fd)
776 app_wrk_postponed_msg_t *pm;
778 clib_spinlock_lock (&app_wrk->postponed_mq_msgs_lock);
780 app_wrk->mq_congested = 1;
782 clib_fifo_add2 (app_wrk->postponed_mq_msgs, pm);
783 clib_memcpy_fast (pm->data, msg, msg_len);
784 pm->event_type = evt_type;
789 if (clib_fifo_elts (app_wrk->postponed_mq_msgs) == 1)
791 app_wrk_mq_rpc_ags_t args = { .thread_index = vlib_get_thread_index (),
792 .app_wrk_index = app_wrk->wrk_index };
794 session_send_rpc_evt_to_thread_force (
795 args.thread_index, app_wrk_handle_mq_postponed_msgs,
796 uword_to_pointer (args.as_uword, void *));
799 clib_spinlock_unlock (&app_wrk->postponed_mq_msgs_lock);
803 app_wrk_send_ctrl_evt_inline (app_worker_t *app_wrk, u8 evt_type, void *msg,
806 svm_msg_q_msg_t _mq_msg, *mq_msg = &_mq_msg;
807 svm_msg_q_t *mq = app_wrk->event_queue;
808 session_event_t *evt;
811 if (PREDICT_FALSE (app_wrk->mq_congested))
812 goto handle_congestion;
814 rv = mq_try_lock_and_alloc_msg (mq, SESSION_MQ_CTRL_EVT_RING, mq_msg);
815 if (PREDICT_FALSE (rv))
816 goto handle_congestion;
818 evt = svm_msg_q_msg_data (mq, mq_msg);
819 clib_memset (evt, 0, sizeof (*evt));
820 evt->event_type = evt_type;
821 clib_memcpy_fast (evt->data, msg, msg_len);
824 app_wrk_send_fd (app_wrk, fd);
826 svm_msg_q_add_and_unlock (mq, mq_msg);
832 app_wrk_add_mq_postponed_msg (app_wrk, SESSION_MQ_CTRL_EVT_RING, evt_type,
837 app_wrk_send_ctrl_evt_fd (app_worker_t *app_wrk, u8 evt_type, void *msg,
840 app_wrk_send_ctrl_evt_inline (app_wrk, evt_type, msg, msg_len, fd);
844 app_wrk_send_ctrl_evt (app_worker_t *app_wrk, u8 evt_type, void *msg,
847 app_wrk_send_ctrl_evt_inline (app_wrk, evt_type, msg, msg_len, -1);
851 app_send_io_evt_rx (app_worker_t * app_wrk, session_t * s)
853 svm_msg_q_msg_t _mq_msg = { 0 }, *mq_msg = &_mq_msg;
854 session_event_t *evt;
859 if (app_worker_application_is_builtin (app_wrk))
860 return app_worker_builtin_rx (app_wrk, s);
862 if (svm_fifo_has_event (s->rx_fifo))
865 app_session = s->rx_fifo->shr->client_session_index;
866 mq = app_wrk->event_queue;
868 if (PREDICT_FALSE (app_wrk->mq_congested))
869 goto handle_congestion;
871 rv = mq_try_lock_and_alloc_msg (mq, SESSION_MQ_IO_EVT_RING, mq_msg);
873 if (PREDICT_FALSE (rv))
874 goto handle_congestion;
876 evt = svm_msg_q_msg_data (mq, mq_msg);
877 evt->event_type = SESSION_IO_EVT_RX;
878 evt->session_index = app_session;
880 (void) svm_fifo_set_event (s->rx_fifo);
882 svm_msg_q_add_and_unlock (mq, mq_msg);
888 app_wrk_add_mq_postponed_msg (app_wrk, SESSION_MQ_IO_EVT_RING,
889 SESSION_IO_EVT_RX, &app_session,
890 sizeof (app_session), -1);
895 app_send_io_evt_tx (app_worker_t * app_wrk, session_t * s)
897 svm_msg_q_msg_t _mq_msg = { 0 }, *mq_msg = &_mq_msg;
898 session_event_t *evt;
903 if (app_worker_application_is_builtin (app_wrk))
904 return app_worker_builtin_tx (app_wrk, s);
906 app_session = s->tx_fifo->shr->client_session_index;
907 mq = app_wrk->event_queue;
909 if (PREDICT_FALSE (app_wrk->mq_congested))
910 goto handle_congestion;
912 rv = mq_try_lock_and_alloc_msg (mq, SESSION_MQ_IO_EVT_RING, mq_msg);
914 if (PREDICT_FALSE (rv))
915 goto handle_congestion;
917 evt = svm_msg_q_msg_data (mq, mq_msg);
918 evt->event_type = SESSION_IO_EVT_TX;
919 evt->session_index = app_session;
921 svm_msg_q_add_and_unlock (mq, mq_msg);
927 app_wrk_add_mq_postponed_msg (app_wrk, SESSION_MQ_IO_EVT_RING,
928 SESSION_IO_EVT_TX, &app_session,
929 sizeof (app_session), -1);
934 typedef int (app_send_evt_handler_fn) (app_worker_t *app,
936 static app_send_evt_handler_fn * const app_send_evt_handler_fns[2] = {
943 * Send event to application
945 * Logic from queue perspective is blocking. However, if queue is full,
949 app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
952 return app_send_evt_handler_fns[evt_type] (app, s);
956 format_app_worker_listener (u8 * s, va_list * args)
958 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
959 u64 handle = va_arg (*args, u64);
960 u32 sm_index = va_arg (*args, u32);
961 int verbose = va_arg (*args, int);
969 s = format (s, "%-" SESSION_CLI_ID_LEN "s%-25s%-10s%-15s%-15s%-10s",
970 "Connection", "App", "Wrk", "API Client", "ListenerID",
973 s = format (s, "%-" SESSION_CLI_ID_LEN "s%-25s%-10s", "Connection",
979 app_name = application_name_from_index (app_wrk->app_index);
980 listener = listen_session_get_from_handle (handle);
981 str = format (0, "%U", format_session, listener, verbose);
986 buf = format (0, "%u(%u)", app_wrk->wrk_map_index, app_wrk->wrk_index);
987 s = format (s, "%-" SESSION_CLI_ID_LEN "v%-25v%-10v%-15u%-15u%-10u", str,
988 app_name, buf, app_wrk->api_client_index, handle, sm_index);
992 s = format (s, "%-" SESSION_CLI_ID_LEN "v%-25v%=10u", str, app_name,
993 app_wrk->wrk_map_index);
1001 format_app_worker (u8 * s, va_list * args)
1003 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
1007 "%U wrk-index %u app-index %u map-index %u "
1008 "api-client-index %d mq-cong %u\n",
1009 format_white_space, indent, app_wrk->wrk_index,
1010 app_wrk->app_index, app_wrk->wrk_map_index,
1011 app_wrk->api_client_index, app_wrk->mq_congested);
1016 app_worker_format_connects (app_worker_t * app_wrk, int verbose)
1018 segment_manager_t *sm;
1023 segment_manager_format_sessions (0, verbose);
1027 if (app_wrk->connects_seg_manager == (u32) ~ 0)
1030 sm = segment_manager_get (app_wrk->connects_seg_manager);
1031 segment_manager_format_sessions (sm, verbose);
1035 * fd.io coding-style-patch-verification: ON
1038 * eval: (c-set-style "gnu")