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 application_client_local_connect_key (local_session_t * ls)
28 return (((u64) ls->app_wrk_index) << 32 | (u64) ls->session_index);
32 application_client_local_connect_key_parse (u64 key, u32 * app_wrk_index,
35 *app_wrk_index = key >> 32;
36 *session_index = key & 0xFFFFFFFF;
40 app_worker_local_session_alloc (app_worker_t * app_wrk)
43 pool_get (app_wrk->local_sessions, s);
44 clib_memset (s, 0, sizeof (*s));
45 s->app_wrk_index = app_wrk->wrk_index;
46 s->session_index = s - app_wrk->local_sessions;
47 s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
52 app_worker_local_session_free (app_worker_t * app_wrk, local_session_t * s)
54 pool_put (app_wrk->local_sessions, s);
56 clib_memset (s, 0xfc, sizeof (*s));
60 app_worker_get_local_session (app_worker_t * app_wrk, u32 session_index)
62 if (pool_is_free_index (app_wrk->local_sessions, session_index))
64 return pool_elt_at_index (app_wrk->local_sessions, session_index);
68 app_worker_get_local_session_from_handle (session_handle_t handle)
70 app_worker_t *server_wrk;
71 u32 session_index, server_wrk_index;
72 local_session_parse_handle (handle, &server_wrk_index, &session_index);
73 server_wrk = app_worker_get_if_valid (server_wrk_index);
76 return app_worker_get_local_session (server_wrk, session_index);
80 app_worker_local_sessions_free (app_worker_t * app_wrk)
82 u32 index, server_wrk_index, session_index;
83 u64 handle, *handles = 0;
84 app_worker_t *server_wrk;
85 segment_manager_t *sm;
92 if (app_wrk->local_sessions)
95 pool_foreach (ls, app_wrk->local_sessions, ({
96 app_worker_local_session_disconnect (app_wrk->wrk_index, ls);
104 vec_reset_length (handles);
106 hash_foreach (handle, index, app_wrk->local_connects, ({
107 vec_add1 (handles, handle);
111 for (i = 0; i < vec_len (handles); i++)
113 application_client_local_connect_key_parse (handles[i],
116 server_wrk = app_worker_get_if_valid (server_wrk_index);
119 ls = app_worker_get_local_session (server_wrk, session_index);
120 app_worker_local_session_disconnect (app_wrk->wrk_index, ls);
124 sm = segment_manager_get (app_wrk->local_segment_manager);
125 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
126 segment_manager_del (sm);
130 app_worker_alloc (application_t * app)
132 app_worker_t *app_wrk;
133 pool_get (app_workers, app_wrk);
134 clib_memset (app_wrk, 0, sizeof (*app_wrk));
135 app_wrk->wrk_index = app_wrk - app_workers;
136 app_wrk->app_index = app->app_index;
137 app_wrk->wrk_map_index = ~0;
138 app_wrk->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
139 app_wrk->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
140 app_wrk->local_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
141 APP_DBG ("New app %v worker %u", app_get_name (app), app_wrk->wrk_index);
146 app_worker_get (u32 wrk_index)
148 return pool_elt_at_index (app_workers, wrk_index);
152 app_worker_get_if_valid (u32 wrk_index)
154 if (pool_is_free_index (app_workers, wrk_index))
156 return pool_elt_at_index (app_workers, wrk_index);
160 app_worker_free (app_worker_t * app_wrk)
162 application_t *app = application_get (app_wrk->app_index);
163 vnet_unlisten_args_t _a, *a = &_a;
164 u64 handle, *handles = 0;
165 segment_manager_t *sm;
176 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
177 ls = listen_session_get_from_handle (handle);
178 al = app_listener_get (app, ls->al_index);
179 vec_add1 (handles, app_listener_handle (al));
180 sm = segment_manager_get (sm_index);
181 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
185 for (i = 0; i < vec_len (handles); i++)
187 a->app_index = app->app_index;
188 a->wrk_map_index = app_wrk->wrk_map_index;
189 a->handle = handles[i];
190 /* seg manager is removed when unbind completes */
191 (void) vnet_unlisten (a);
195 * Connects segment manager cleanup
198 if (app_wrk->connects_seg_manager != APP_INVALID_SEGMENT_MANAGER_INDEX)
200 sm = segment_manager_get (app_wrk->connects_seg_manager);
201 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
202 segment_manager_init_del (sm);
205 /* If first segment manager is used by a listener */
206 if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
207 && app_wrk->first_segment_manager != app_wrk->connects_seg_manager)
209 sm = segment_manager_get (app_wrk->first_segment_manager);
210 sm->first_is_protected = 0;
211 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
212 /* .. and has no fifos, e.g. it might be used for redirected sessions,
214 if (!segment_manager_has_fifos (sm))
215 segment_manager_del (sm);
221 app_worker_local_sessions_free (app_wrk);
223 pool_put (app_workers, app_wrk);
225 clib_memset (app_wrk, 0xfe, sizeof (*app_wrk));
229 app_worker_get_app (u32 wrk_index)
231 app_worker_t *app_wrk;
232 app_wrk = app_worker_get_if_valid (wrk_index);
235 return application_get_if_valid (app_wrk->app_index);
238 static segment_manager_t *
239 app_worker_alloc_segment_manager (app_worker_t * app_wrk)
241 segment_manager_t *sm = 0;
243 /* If the first segment manager is not in use, don't allocate a new one */
244 if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
245 && app_wrk->first_segment_manager_in_use == 0)
247 sm = segment_manager_get (app_wrk->first_segment_manager);
248 app_wrk->first_segment_manager_in_use = 1;
252 sm = segment_manager_new ();
253 sm->app_wrk_index = app_wrk->wrk_index;
259 app_worker_start_listen (app_worker_t * app_wrk,
260 app_listener_t * app_listener)
262 segment_manager_t *sm;
265 if (clib_bitmap_get (app_listener->workers, app_wrk->wrk_map_index))
266 return VNET_API_ERROR_ADDRESS_IN_USE;
268 app_listener->workers = clib_bitmap_set (app_listener->workers,
269 app_wrk->wrk_map_index, 1);
271 if (app_listener->session_index == SESSION_INVALID_INDEX)
274 ls = session_get (app_listener->session_index, 0);
276 /* Allocate segment manager. All sessions derived out of a listen session
277 * have fifos allocated by the same segment manager. */
278 if (!(sm = app_worker_alloc_segment_manager (app_wrk)))
281 /* Keep track of the segment manager for the listener or this worker */
282 hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
283 segment_manager_index (sm));
285 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
287 if (!ls->rx_fifo && session_alloc_fifos (sm, ls))
294 app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al)
296 session_handle_t handle;
297 segment_manager_t *sm;
300 if (!clib_bitmap_get (al->workers, app_wrk->wrk_map_index))
303 if (al->session_index != SESSION_INVALID_INDEX)
307 ls = listen_session_get (al->session_index);
308 handle = listen_session_get_handle (ls);
310 sm_indexp = hash_get (app_wrk->listeners_table, handle);
311 if (PREDICT_FALSE (!sm_indexp))
313 clib_warning ("listener handle was removed %llu!", handle);
317 sm = segment_manager_get (*sm_indexp);
318 if (app_wrk->first_segment_manager == *sm_indexp)
320 /* Delete sessions but don't remove segment manager */
321 app_wrk->first_segment_manager_in_use = 0;
322 segment_manager_del_sessions (sm);
326 segment_manager_init_del (sm);
328 hash_unset (app_wrk->listeners_table, handle);
331 if (al->local_index != SESSION_INVALID_INDEX)
333 local_session_t *ll, *ls;
336 app = application_get (app_wrk->app_index);
337 ll = application_get_local_listen_session (app, al->local_index);
340 pool_foreach (ls, app_wrk->local_sessions, ({
341 if (ls->listener_index == ll->session_index)
342 app_worker_local_session_disconnect (app_wrk->app_index, ls);
347 clib_bitmap_set_no_check (al->workers, app_wrk->wrk_map_index, 0);
348 if (clib_bitmap_is_zero (al->workers))
349 app_listener_cleanup (al);
355 app_worker_own_session (app_worker_t * app_wrk, session_t * s)
357 segment_manager_t *sm;
358 svm_fifo_t *rxf, *txf;
360 if (s->session_state == SESSION_STATE_LISTENING)
361 return application_change_listener_owner (s, app_wrk);
363 s->app_wrk_index = app_wrk->wrk_index;
374 sm = app_worker_get_or_alloc_connect_segment_manager (app_wrk);
375 if (session_alloc_fifos (sm, s))
378 if (!svm_fifo_is_empty (rxf))
380 clib_memcpy_fast (s->rx_fifo->data, rxf->data, rxf->nitems);
381 s->rx_fifo->head = rxf->head;
382 s->rx_fifo->tail = rxf->tail;
383 s->rx_fifo->cursize = rxf->cursize;
386 if (!svm_fifo_is_empty (txf))
388 clib_memcpy_fast (s->tx_fifo->data, txf->data, txf->nitems);
389 s->tx_fifo->head = txf->head;
390 s->tx_fifo->tail = txf->tail;
391 s->tx_fifo->cursize = txf->cursize;
394 segment_manager_dealloc_fifos (rxf->segment_index, rxf, txf);
400 app_worker_connect_session (app_worker_t * app, session_endpoint_t * sep,
405 /* Make sure we have a segment manager for connects */
406 app_worker_alloc_connects_segment_manager (app);
408 if ((rv = session_open (app->wrk_index, sep, api_context)))
415 app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
417 segment_manager_t *sm;
419 if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
421 sm = app_worker_alloc_segment_manager (app_wrk);
424 app_wrk->connects_seg_manager = segment_manager_index (sm);
430 app_worker_get_connect_segment_manager (app_worker_t * app)
432 ASSERT (app->connects_seg_manager != (u32) ~ 0);
433 return segment_manager_get (app->connects_seg_manager);
437 app_worker_get_or_alloc_connect_segment_manager (app_worker_t * app_wrk)
439 if (app_wrk->connects_seg_manager == (u32) ~ 0)
440 app_worker_alloc_connects_segment_manager (app_wrk);
441 return segment_manager_get (app_wrk->connects_seg_manager);
445 app_worker_get_listen_segment_manager (app_worker_t * app,
446 session_t * listener)
449 smp = hash_get (app->listeners_table, listen_session_get_handle (listener));
451 return segment_manager_get (*smp);
455 app_worker_first_listener (app_worker_t * app_wrk, u8 fib_proto,
463 sst = session_type_from_proto_and_ip (transport_proto,
464 fib_proto == FIB_PROTOCOL_IP4);
467 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
468 listener = listen_session_get_from_handle (handle);
469 if (listener->session_type == sst
470 && listener->enqueue_epoch != SESSION_PROXY_LISTENER_INDEX)
479 app_worker_proxy_listener (app_worker_t * app_wrk, u8 fib_proto,
487 sst = session_type_from_proto_and_ip (transport_proto,
488 fib_proto == FIB_PROTOCOL_IP4);
491 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
492 listener = listen_session_get_from_handle (handle);
493 if (listener->session_type == sst
494 && listener->enqueue_epoch == SESSION_PROXY_LISTENER_INDEX)
503 * Send an API message to the external app, to map new segment
506 app_worker_add_segment_notify (u32 app_wrk_index, u64 segment_handle)
508 app_worker_t *app_wrk = app_worker_get (app_wrk_index);
509 application_t *app = application_get (app_wrk->app_index);
510 return app->cb_fns.add_segment_callback (app_wrk->api_client_index,
515 app_worker_application_is_builtin (app_worker_t * app_wrk)
517 return app_wrk->app_is_builtin;
521 app_enqueue_evt (svm_msg_q_t * mq, svm_msg_q_msg_t * msg, u8 lock)
523 if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
525 clib_warning ("evt q full");
526 svm_msg_q_free_msg (mq, msg);
528 svm_msg_q_unlock (mq);
534 svm_msg_q_add_and_unlock (mq, msg);
538 /* Even when not locking the ring, we must wait for queue mutex */
539 if (svm_msg_q_add (mq, msg, SVM_Q_WAIT))
541 clib_warning ("msg q add returned");
548 app_send_io_evt_rx (app_worker_t * app_wrk, session_t * s, u8 lock)
550 session_event_t *evt;
554 if (PREDICT_FALSE (s->session_state != SESSION_STATE_READY
555 && s->session_state != SESSION_STATE_LISTENING))
557 /* Session is closed so app will never clean up. Flush rx fifo */
558 if (s->session_state == SESSION_STATE_CLOSED)
559 svm_fifo_dequeue_drop_all (s->rx_fifo);
563 if (app_worker_application_is_builtin (app_wrk))
565 application_t *app = application_get (app_wrk->app_index);
566 return app->cb_fns.builtin_app_rx_callback (s);
569 if (svm_fifo_has_event (s->rx_fifo) || svm_fifo_is_empty (s->rx_fifo))
572 mq = app_wrk->event_queue;
576 if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
578 clib_warning ("evt q rings full");
580 svm_msg_q_unlock (mq);
584 msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
585 ASSERT (!svm_msg_q_msg_is_invalid (&msg));
587 evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
588 evt->fifo = s->rx_fifo;
589 evt->event_type = FIFO_EVENT_APP_RX;
591 (void) svm_fifo_set_event (s->rx_fifo);
593 if (app_enqueue_evt (mq, &msg, lock))
599 app_send_io_evt_tx (app_worker_t * app_wrk, session_t * s, u8 lock)
602 session_event_t *evt;
605 if (app_worker_application_is_builtin (app_wrk))
608 mq = app_wrk->event_queue;
612 if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
614 clib_warning ("evt q rings full");
616 svm_msg_q_unlock (mq);
620 msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
621 ASSERT (!svm_msg_q_msg_is_invalid (&msg));
623 evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
624 evt->event_type = FIFO_EVENT_APP_TX;
625 evt->fifo = s->tx_fifo;
627 return app_enqueue_evt (mq, &msg, lock);
631 typedef int (app_send_evt_handler_fn) (app_worker_t *app,
634 static app_send_evt_handler_fn * const app_send_evt_handler_fns[3] = {
642 * Send event to application
644 * Logic from queue perspective is non-blocking. If there's
645 * not enough space to enqueue a message, we return.
648 app_worker_send_event (app_worker_t * app, session_t * s, u8 evt_type)
650 ASSERT (app && evt_type <= FIFO_EVENT_APP_TX);
651 return app_send_evt_handler_fns[evt_type] (app, s, 0 /* lock */ );
655 * Send event to application
657 * Logic from queue perspective is blocking. However, if queue is full,
661 app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
664 return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ );
668 app_worker_get_local_segment_manager (app_worker_t * app_worker)
670 return segment_manager_get (app_worker->local_segment_manager);
674 app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk,
675 local_session_t * ls)
678 if (application_local_session_listener_has_transport (ls))
680 listener = listen_session_get (ls->listener_index);
681 return app_worker_get_listen_segment_manager (app_wrk, listener);
683 return segment_manager_get (app_wrk->local_segment_manager);
687 app_worker_local_session_cleanup (app_worker_t * client_wrk,
688 app_worker_t * server_wrk,
689 local_session_t * ls)
691 svm_fifo_segment_private_t *seg;
693 segment_manager_t *sm;
697 /* Retrieve listener transport type as it is the one that decides where
698 * the fifos are allocated */
699 has_transport = application_local_session_listener_has_transport (ls);
701 sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls);
704 listener = listen_session_get (ls->listener_index);
705 sm = app_worker_get_listen_segment_manager (server_wrk, listener);
708 seg = segment_manager_get_segment (sm, ls->svm_segment_index);
711 client_key = application_client_local_connect_key (ls);
712 hash_unset (client_wrk->local_connects, client_key);
717 application_t *server = application_get (server_wrk->app_index);
718 u64 segment_handle = segment_manager_segment_handle (sm, seg);
719 server->cb_fns.del_segment_callback (server_wrk->api_client_index,
723 application_t *client = application_get (client_wrk->app_index);
724 client->cb_fns.del_segment_callback (client_wrk->api_client_index,
727 segment_manager_del_segment (sm, seg);
730 app_worker_local_session_free (server_wrk, ls);
736 application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq)
741 * segment manager initializes only the producer eventds, since vpp is
742 * typically the producer. But for local sessions, we also pass to the
743 * apps the mqs they listen on for events from peer apps, so they are also
746 fd = svm_msg_q_get_producer_eventfd (sq);
747 svm_msg_q_set_consumer_eventfd (sq, fd);
748 fd = svm_msg_q_get_producer_eventfd (cq);
749 svm_msg_q_set_consumer_eventfd (cq, fd);
753 app_worker_local_session_connect (app_worker_t * client_wrk,
754 app_worker_t * server_wrk,
755 local_session_t * ll, u32 opaque)
757 u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10;
758 u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index;
759 segment_manager_properties_t *props, *cprops;
760 int rv, has_transport, seg_index;
761 svm_fifo_segment_private_t *seg;
762 application_t *server, *client;
763 segment_manager_t *sm;
765 svm_msg_q_t *sq, *cq;
768 ls = app_worker_local_session_alloc (server_wrk);
769 server = application_get (server_wrk->app_index);
770 client = application_get (client_wrk->app_index);
772 props = application_segment_manager_properties (server);
773 cprops = application_segment_manager_properties (client);
774 evt_q_elts = props->evt_q_size + cprops->evt_q_size;
775 evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts);
776 round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size);
777 round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size);
778 seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin;
780 has_transport = session_has_transport ((session_t *) ll);
783 /* Local sessions don't have backing transport */
785 sm = app_worker_get_local_segment_manager (server_wrk);
789 session_t *sl = (session_t *) ll;
790 transport_connection_t *tc;
791 tc = listen_session_get_transport (sl);
792 ls->port = tc->lcl_port;
793 sm = app_worker_get_listen_segment_manager (server_wrk, sl);
796 seg_index = segment_manager_add_segment (sm, seg_size);
799 clib_warning ("failed to add new cut-through segment");
802 seg = segment_manager_get_segment_w_lock (sm, seg_index);
803 sq = segment_manager_alloc_queue (seg, props);
804 cq = segment_manager_alloc_queue (seg, cprops);
806 if (props->use_mq_eventfd)
807 application_local_session_fix_eventds (sq, cq);
809 ls->server_evt_q = pointer_to_uword (sq);
810 ls->client_evt_q = pointer_to_uword (cq);
811 rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size,
813 &ls->rx_fifo, &ls->tx_fifo);
816 clib_warning ("failed to add fifos in cut-through segment");
817 segment_manager_segment_reader_unlock (sm);
820 sm_index = segment_manager_index (sm);
821 ls->rx_fifo->ct_session_index = ls->session_index;
822 ls->tx_fifo->ct_session_index = ls->session_index;
823 ls->rx_fifo->segment_manager = sm_index;
824 ls->tx_fifo->segment_manager = sm_index;
825 ls->rx_fifo->segment_index = seg_index;
826 ls->tx_fifo->segment_index = seg_index;
827 ls->svm_segment_index = seg_index;
828 ls->listener_index = ll->session_index;
829 ls->client_wrk_index = client_wrk->wrk_index;
830 ls->client_opaque = opaque;
831 ls->listener_session_type = ll->session_type;
832 ls->session_state = SESSION_STATE_READY;
834 segment_handle = segment_manager_segment_handle (sm, seg);
835 if ((rv = server->cb_fns.add_segment_callback (server_wrk->api_client_index,
838 clib_warning ("failed to notify server of new segment");
839 segment_manager_segment_reader_unlock (sm);
842 segment_manager_segment_reader_unlock (sm);
843 if ((rv = server->cb_fns.session_accept_callback ((session_t *) ls)))
845 clib_warning ("failed to send accept cut-through notify to server");
848 if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN)
849 app_worker_local_session_connect_notify (ls);
855 segment_manager_del_segment (sm, seg);
860 app_worker_local_session_connect_notify (local_session_t * ls)
862 svm_fifo_segment_private_t *seg;
863 app_worker_t *client_wrk, *server_wrk;
864 segment_manager_t *sm;
865 application_t *client;
870 client_wrk = app_worker_get (ls->client_wrk_index);
871 server_wrk = app_worker_get (ls->app_wrk_index);
872 client = application_get (client_wrk->app_index);
874 sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls);
875 seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index);
876 segment_handle = segment_manager_segment_handle (sm, seg);
877 if ((rv = client->cb_fns.add_segment_callback (client_wrk->api_client_index,
880 clib_warning ("failed to notify client %u of new segment",
881 ls->client_wrk_index);
882 segment_manager_segment_reader_unlock (sm);
883 app_worker_local_session_disconnect (ls->client_wrk_index, ls);
888 segment_manager_segment_reader_unlock (sm);
891 client->cb_fns.session_connected_callback (client_wrk->wrk_index,
893 (session_t *) ls, is_fail);
895 client_key = application_client_local_connect_key (ls);
896 hash_set (client_wrk->local_connects, client_key, client_key);
901 app_worker_local_session_disconnect (u32 app_index, local_session_t * ls)
903 app_worker_t *client_wrk, *server_wrk;
904 u8 is_server = 0, is_client = 0;
907 app = application_get_if_valid (app_index);
911 client_wrk = app_worker_get_if_valid (ls->client_wrk_index);
912 server_wrk = app_worker_get (ls->app_wrk_index);
914 if (server_wrk->app_index == app_index)
916 else if (client_wrk && client_wrk->app_index == app_index)
919 if (!is_server && !is_client)
921 clib_warning ("app %u is neither client nor server for session 0x%lx",
922 app_index, application_local_session_handle (ls));
923 return VNET_API_ERROR_INVALID_VALUE;
926 if (ls->session_state == SESSION_STATE_CLOSED)
927 return app_worker_local_session_cleanup (client_wrk, server_wrk, ls);
929 if (app_index == ls->client_wrk_index)
931 mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls);
937 return app_worker_local_session_cleanup (client_wrk, server_wrk,
940 else if (ls->session_state < SESSION_STATE_READY)
942 application_t *client = application_get (client_wrk->app_index);
943 client->cb_fns.session_connected_callback (client_wrk->wrk_index,
947 ls->session_state = SESSION_STATE_CLOSED;
948 return app_worker_local_session_cleanup (client_wrk, server_wrk,
953 mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls);
957 ls->session_state = SESSION_STATE_CLOSED;
963 app_worker_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index)
965 app_worker_t *app_wrk;
967 app_wrk = app_worker_get (app_wrk_index);
968 ls = app_worker_get_local_session (app_wrk, ls_index);
969 return app_worker_local_session_disconnect (app_wrk_index, ls);
973 format_app_worker_listener (u8 * s, va_list * args)
975 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
976 u64 handle = va_arg (*args, u64);
977 u32 sm_index = va_arg (*args, u32);
978 int verbose = va_arg (*args, int);
986 s = format (s, "%-40s%-25s%=10s%-15s%-15s%-10s", "Connection", "App",
987 "Wrk", "API Client", "ListenerID", "SegManager");
989 s = format (s, "%-40s%-25s%=10s", "Connection", "App", "Wrk");
994 app_name = application_name_from_index (app_wrk->app_index);
995 listener = listen_session_get_from_handle (handle);
996 str = format (0, "%U", format_stream_session, listener, verbose);
1001 sprintf (buf, "%u(%u)", app_wrk->wrk_map_index, app_wrk->wrk_index);
1002 s = format (s, "%-40s%-25s%=10s%-15u%-15u%-10u", str, app_name,
1003 buf, app_wrk->api_client_index, handle, sm_index);
1006 s = format (s, "%-40s%-25s%=10u", str, app_name, app_wrk->wrk_map_index);
1012 format_app_worker (u8 * s, va_list * args)
1014 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
1017 s = format (s, "%U wrk-index %u app-index %u map-index %u "
1018 "api-client-index %d\n", format_white_space, indent,
1019 app_wrk->wrk_index, app_wrk->app_index, app_wrk->wrk_map_index,
1020 app_wrk->api_client_index);
1025 app_worker_format_connects (app_worker_t * app_wrk, int verbose)
1027 svm_fifo_segment_private_t *fifo_segment;
1028 vlib_main_t *vm = vlib_get_main ();
1029 segment_manager_t *sm;
1037 vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App",
1038 "API Client", "SegManager");
1040 vlib_cli_output (vm, "%-40s%-20s", "Connection", "App");
1044 if (app_wrk->connects_seg_manager == (u32) ~ 0)
1047 app_name = application_name_from_index (app_wrk->app_index);
1049 /* Across all fifo segments */
1050 sm = segment_manager_get (app_wrk->connects_seg_manager);
1053 segment_manager_foreach_segment_w_lock (fifo_segment, sm, ({
1057 fifo = svm_fifo_segment_get_fifo_list (fifo_segment);
1060 u32 session_index, thread_index;
1063 session_index = fifo->master_session_index;
1064 thread_index = fifo->master_thread_index;
1066 session = session_get (session_index, thread_index);
1067 str = format (0, "%U", format_stream_session, session, verbose);
1070 s = format (s, "%-40s%-20s%-15u%-10u", str, app_name,
1071 app_wrk->api_client_index, app_wrk->connects_seg_manager);
1073 s = format (s, "%-40s%-20s", str, app_name);
1075 vlib_cli_output (vm, "%v", s);
1076 vec_reset_length (s);
1087 app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose)
1089 vlib_main_t *vm = vlib_get_main ();
1090 app_worker_t *client_wrk;
1091 local_session_t *ls;
1092 transport_proto_t tp;
1098 vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp",
1103 if (!pool_elts (app_wrk->local_sessions)
1104 && !pool_elts (app_wrk->local_connects))
1108 pool_foreach (ls, app_wrk->local_sessions, ({
1109 tp = session_type_transport_proto(ls->listener_session_type);
1110 conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp,
1112 client_wrk = app_worker_get (ls->client_wrk_index);
1113 vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_index,
1114 client_wrk->app_index);
1115 vec_reset_length (conn);
1123 app_worker_format_local_connects (app_worker_t * app, int verbose)
1125 vlib_main_t *vm = vlib_get_main ();
1126 u32 app_wrk_index, session_index;
1127 app_worker_t *server_wrk;
1128 local_session_t *ls;
1136 vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App",
1137 "Peer App", "SegManager");
1139 vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "App",
1144 if (!app->local_connects)
1148 hash_foreach (client_key, value, app->local_connects, ({
1149 application_client_local_connect_key_parse (client_key, &app_wrk_index,
1151 server_wrk = app_worker_get (app_wrk_index);
1152 ls = app_worker_get_local_session (server_wrk, session_index);
1153 vlib_cli_output (vm, "%-40s%-15s%-20s", "TODO", ls->app_wrk_index,
1154 ls->client_wrk_index);
1160 * fd.io coding-style-patch-verification: ON
1163 * eval: (c-set-style "gnu")