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_alloc_session_fifos (segment_manager_t * sm, session_t * s)
261 svm_fifo_t *rx_fifo = 0, *tx_fifo = 0;
262 u32 fifo_segment_index;
265 if ((rv = segment_manager_alloc_session_fifos (sm, &rx_fifo, &tx_fifo,
266 &fifo_segment_index)))
269 rx_fifo->master_session_index = s->session_index;
270 rx_fifo->master_thread_index = s->thread_index;
272 tx_fifo->master_session_index = s->session_index;
273 tx_fifo->master_thread_index = s->thread_index;
275 s->rx_fifo = rx_fifo;
276 s->tx_fifo = tx_fifo;
277 s->svm_segment_index = fifo_segment_index;
282 app_worker_start_listen (app_worker_t * app_wrk,
283 app_listener_t * app_listener)
285 segment_manager_t *sm;
288 if (clib_bitmap_get (app_listener->workers, app_wrk->wrk_map_index))
289 return VNET_API_ERROR_ADDRESS_IN_USE;
291 app_listener->workers = clib_bitmap_set (app_listener->workers,
292 app_wrk->wrk_map_index, 1);
294 if (app_listener->session_index == SESSION_INVALID_INDEX)
297 ls = session_get (app_listener->session_index, 0);
299 /* Allocate segment manager. All sessions derived out of a listen session
300 * have fifos allocated by the same segment manager. */
301 if (!(sm = app_worker_alloc_segment_manager (app_wrk)))
304 /* Keep track of the segment manager for the listener or this worker */
305 hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
306 segment_manager_index (sm));
308 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
310 if (!ls->rx_fifo && app_worker_alloc_session_fifos (sm, ls))
317 app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al)
319 session_handle_t handle;
320 segment_manager_t *sm;
323 if (!clib_bitmap_get (al->workers, app_wrk->wrk_map_index))
326 if (al->session_index != SESSION_INVALID_INDEX)
330 ls = listen_session_get (al->session_index);
331 handle = listen_session_get_handle (ls);
333 sm_indexp = hash_get (app_wrk->listeners_table, handle);
334 if (PREDICT_FALSE (!sm_indexp))
336 clib_warning ("listener handle was removed %llu!", handle);
340 sm = segment_manager_get (*sm_indexp);
341 if (app_wrk->first_segment_manager == *sm_indexp)
343 /* Delete sessions but don't remove segment manager */
344 app_wrk->first_segment_manager_in_use = 0;
345 segment_manager_del_sessions (sm);
349 segment_manager_init_del (sm);
351 hash_unset (app_wrk->listeners_table, handle);
354 if (al->local_index != SESSION_INVALID_INDEX)
356 local_session_t *ll, *ls;
359 app = application_get (app_wrk->app_index);
360 ll = application_get_local_listen_session (app, al->local_index);
363 pool_foreach (ls, app_wrk->local_sessions, ({
364 if (ls->listener_index == ll->session_index)
365 app_worker_local_session_disconnect (app_wrk->wrk_index, ls);
370 clib_bitmap_set_no_check (al->workers, app_wrk->wrk_map_index, 0);
371 if (clib_bitmap_is_zero (al->workers))
372 app_listener_cleanup (al);
378 app_worker_init_accepted (session_t * s)
380 app_worker_t *app_wrk;
381 segment_manager_t *sm;
384 listener = listen_session_get (s->listener_index);
385 app_wrk = application_listener_select_worker (listener);
386 s->app_wrk_index = app_wrk->wrk_index;
387 sm = app_worker_get_listen_segment_manager (app_wrk, listener);
388 return app_worker_alloc_session_fifos (sm, s);
392 app_worker_accept_notify (app_worker_t * app_wrk, session_t * s)
394 application_t *app = application_get (app_wrk->app_index);
395 return app->cb_fns.session_accept_callback (s);
399 app_worker_init_connected (app_worker_t * app_wrk, session_t * s)
401 application_t *app = application_get (app_wrk->app_index);
402 segment_manager_t *sm;
404 /* Allocate fifos for session, unless the app is a builtin proxy */
405 if (!application_is_builtin_proxy (app))
407 sm = app_worker_get_connect_segment_manager (app_wrk);
408 if (app_worker_alloc_session_fifos (sm, s))
415 app_worker_connect_notify (app_worker_t * app_wrk, session_t * s, u32 opaque)
417 application_t *app = application_get (app_wrk->app_index);
418 return app->cb_fns.session_connected_callback (app_wrk->wrk_index, opaque,
419 s, s == 0 /* is_fail */ );
423 app_worker_own_session (app_worker_t * app_wrk, session_t * s)
425 segment_manager_t *sm;
426 svm_fifo_t *rxf, *txf;
428 if (s->session_state == SESSION_STATE_LISTENING)
429 return application_change_listener_owner (s, app_wrk);
431 s->app_wrk_index = app_wrk->wrk_index;
442 sm = app_worker_get_or_alloc_connect_segment_manager (app_wrk);
443 if (app_worker_alloc_session_fifos (sm, s))
446 if (!svm_fifo_is_empty (rxf))
448 clib_memcpy_fast (s->rx_fifo->data, rxf->data, rxf->nitems);
449 s->rx_fifo->head = rxf->head;
450 s->rx_fifo->tail = rxf->tail;
451 s->rx_fifo->cursize = rxf->cursize;
454 if (!svm_fifo_is_empty (txf))
456 clib_memcpy_fast (s->tx_fifo->data, txf->data, txf->nitems);
457 s->tx_fifo->head = txf->head;
458 s->tx_fifo->tail = txf->tail;
459 s->tx_fifo->cursize = txf->cursize;
462 segment_manager_dealloc_fifos (rxf->segment_index, rxf, txf);
468 app_worker_connect_session (app_worker_t * app, session_endpoint_t * sep,
473 /* Make sure we have a segment manager for connects */
474 app_worker_alloc_connects_segment_manager (app);
476 if ((rv = session_open (app->wrk_index, sep, api_context)))
483 app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
485 segment_manager_t *sm;
487 if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
489 sm = app_worker_alloc_segment_manager (app_wrk);
492 app_wrk->connects_seg_manager = segment_manager_index (sm);
498 app_worker_get_connect_segment_manager (app_worker_t * app)
500 ASSERT (app->connects_seg_manager != (u32) ~ 0);
501 return segment_manager_get (app->connects_seg_manager);
505 app_worker_get_or_alloc_connect_segment_manager (app_worker_t * app_wrk)
507 if (app_wrk->connects_seg_manager == (u32) ~ 0)
508 app_worker_alloc_connects_segment_manager (app_wrk);
509 return segment_manager_get (app_wrk->connects_seg_manager);
513 app_worker_get_listen_segment_manager (app_worker_t * app,
514 session_t * listener)
517 smp = hash_get (app->listeners_table, listen_session_get_handle (listener));
519 return segment_manager_get (*smp);
523 app_worker_first_listener (app_worker_t * app_wrk, u8 fib_proto,
531 sst = session_type_from_proto_and_ip (transport_proto,
532 fib_proto == FIB_PROTOCOL_IP4);
535 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
536 listener = listen_session_get_from_handle (handle);
537 if (listener->session_type == sst
538 && listener->enqueue_epoch != SESSION_PROXY_LISTENER_INDEX)
547 app_worker_proxy_listener (app_worker_t * app_wrk, u8 fib_proto,
555 sst = session_type_from_proto_and_ip (transport_proto,
556 fib_proto == FIB_PROTOCOL_IP4);
559 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
560 listener = listen_session_get_from_handle (handle);
561 if (listener->session_type == sst
562 && listener->enqueue_epoch == SESSION_PROXY_LISTENER_INDEX)
571 * Send an API message to the external app, to map new segment
574 app_worker_add_segment_notify (u32 app_wrk_index, u64 segment_handle)
576 app_worker_t *app_wrk = app_worker_get (app_wrk_index);
577 application_t *app = application_get (app_wrk->app_index);
578 return app->cb_fns.add_segment_callback (app_wrk->api_client_index,
583 app_worker_application_is_builtin (app_worker_t * app_wrk)
585 return app_wrk->app_is_builtin;
589 app_enqueue_evt (svm_msg_q_t * mq, svm_msg_q_msg_t * msg, u8 lock)
591 if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
593 clib_warning ("evt q full");
594 svm_msg_q_free_msg (mq, msg);
596 svm_msg_q_unlock (mq);
602 svm_msg_q_add_and_unlock (mq, msg);
606 /* Even when not locking the ring, we must wait for queue mutex */
607 if (svm_msg_q_add (mq, msg, SVM_Q_WAIT))
609 clib_warning ("msg q add returned");
616 app_send_io_evt_rx (app_worker_t * app_wrk, session_t * s, u8 lock)
618 session_event_t *evt;
622 if (PREDICT_FALSE (s->session_state != SESSION_STATE_READY
623 && s->session_state != SESSION_STATE_LISTENING))
625 /* Session is closed so app will never clean up. Flush rx fifo */
626 if (s->session_state == SESSION_STATE_CLOSED)
627 svm_fifo_dequeue_drop_all (s->rx_fifo);
631 if (app_worker_application_is_builtin (app_wrk))
633 application_t *app = application_get (app_wrk->app_index);
634 return app->cb_fns.builtin_app_rx_callback (s);
637 if (svm_fifo_has_event (s->rx_fifo) || svm_fifo_is_empty (s->rx_fifo))
640 mq = app_wrk->event_queue;
644 if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
646 clib_warning ("evt q rings full");
648 svm_msg_q_unlock (mq);
652 msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
653 ASSERT (!svm_msg_q_msg_is_invalid (&msg));
655 evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
656 evt->fifo = s->rx_fifo;
657 evt->event_type = FIFO_EVENT_APP_RX;
659 (void) svm_fifo_set_event (s->rx_fifo);
661 if (app_enqueue_evt (mq, &msg, lock))
667 app_send_io_evt_tx (app_worker_t * app_wrk, session_t * s, u8 lock)
670 session_event_t *evt;
673 if (app_worker_application_is_builtin (app_wrk))
676 mq = app_wrk->event_queue;
680 if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
682 clib_warning ("evt q rings full");
684 svm_msg_q_unlock (mq);
688 msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
689 ASSERT (!svm_msg_q_msg_is_invalid (&msg));
691 evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
692 evt->event_type = FIFO_EVENT_APP_TX;
693 evt->fifo = s->tx_fifo;
695 return app_enqueue_evt (mq, &msg, lock);
699 typedef int (app_send_evt_handler_fn) (app_worker_t *app,
702 static app_send_evt_handler_fn * const app_send_evt_handler_fns[3] = {
710 * Send event to application
712 * Logic from queue perspective is non-blocking. If there's
713 * not enough space to enqueue a message, we return.
716 app_worker_send_event (app_worker_t * app, session_t * s, u8 evt_type)
718 ASSERT (app && evt_type <= FIFO_EVENT_APP_TX);
719 return app_send_evt_handler_fns[evt_type] (app, s, 0 /* lock */ );
723 * Send event to application
725 * Logic from queue perspective is blocking. However, if queue is full,
729 app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
732 return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ );
736 app_worker_get_local_segment_manager (app_worker_t * app_worker)
738 return segment_manager_get (app_worker->local_segment_manager);
742 app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk,
743 local_session_t * ls)
746 if (application_local_session_listener_has_transport (ls))
748 listener = listen_session_get (ls->listener_index);
749 return app_worker_get_listen_segment_manager (app_wrk, listener);
751 return segment_manager_get (app_wrk->local_segment_manager);
755 app_worker_local_session_cleanup (app_worker_t * client_wrk,
756 app_worker_t * server_wrk,
757 local_session_t * ls)
759 svm_fifo_segment_private_t *seg;
761 segment_manager_t *sm;
765 /* Retrieve listener transport type as it is the one that decides where
766 * the fifos are allocated */
767 has_transport = application_local_session_listener_has_transport (ls);
769 sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls);
772 listener = listen_session_get (ls->listener_index);
773 sm = app_worker_get_listen_segment_manager (server_wrk, listener);
776 seg = segment_manager_get_segment (sm, ls->svm_segment_index);
779 client_key = application_client_local_connect_key (ls);
780 hash_unset (client_wrk->local_connects, client_key);
785 application_t *server = application_get (server_wrk->app_index);
786 u64 segment_handle = segment_manager_segment_handle (sm, seg);
787 server->cb_fns.del_segment_callback (server_wrk->api_client_index,
791 application_t *client = application_get (client_wrk->app_index);
792 client->cb_fns.del_segment_callback (client_wrk->api_client_index,
795 segment_manager_del_segment (sm, seg);
798 app_worker_local_session_free (server_wrk, ls);
804 application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq)
809 * segment manager initializes only the producer eventds, since vpp is
810 * typically the producer. But for local sessions, we also pass to the
811 * apps the mqs they listen on for events from peer apps, so they are also
814 fd = svm_msg_q_get_producer_eventfd (sq);
815 svm_msg_q_set_consumer_eventfd (sq, fd);
816 fd = svm_msg_q_get_producer_eventfd (cq);
817 svm_msg_q_set_consumer_eventfd (cq, fd);
821 app_worker_local_session_connect (app_worker_t * client_wrk,
822 app_worker_t * server_wrk,
823 local_session_t * ll, u32 opaque)
825 u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10;
826 u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index;
827 segment_manager_properties_t *props, *cprops;
828 int rv, has_transport, seg_index;
829 svm_fifo_segment_private_t *seg;
830 application_t *server, *client;
831 segment_manager_t *sm;
833 svm_msg_q_t *sq, *cq;
836 ls = app_worker_local_session_alloc (server_wrk);
837 server = application_get (server_wrk->app_index);
838 client = application_get (client_wrk->app_index);
840 props = application_segment_manager_properties (server);
841 cprops = application_segment_manager_properties (client);
842 evt_q_elts = props->evt_q_size + cprops->evt_q_size;
843 evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts);
844 round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size);
845 round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size);
846 seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin;
848 has_transport = session_has_transport ((session_t *) ll);
851 /* Local sessions don't have backing transport */
853 sm = app_worker_get_local_segment_manager (server_wrk);
857 session_t *sl = (session_t *) ll;
858 transport_connection_t *tc;
859 tc = listen_session_get_transport (sl);
860 ls->port = tc->lcl_port;
861 sm = app_worker_get_listen_segment_manager (server_wrk, sl);
864 seg_index = segment_manager_add_segment (sm, seg_size);
867 clib_warning ("failed to add new cut-through segment");
870 seg = segment_manager_get_segment_w_lock (sm, seg_index);
871 sq = segment_manager_alloc_queue (seg, props);
872 cq = segment_manager_alloc_queue (seg, cprops);
874 if (props->use_mq_eventfd)
875 application_local_session_fix_eventds (sq, cq);
877 ls->server_evt_q = pointer_to_uword (sq);
878 ls->client_evt_q = pointer_to_uword (cq);
879 rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size,
881 &ls->rx_fifo, &ls->tx_fifo);
884 clib_warning ("failed to add fifos in cut-through segment");
885 segment_manager_segment_reader_unlock (sm);
888 sm_index = segment_manager_index (sm);
889 ls->rx_fifo->ct_session_index = ls->session_index;
890 ls->tx_fifo->ct_session_index = ls->session_index;
891 ls->rx_fifo->segment_manager = sm_index;
892 ls->tx_fifo->segment_manager = sm_index;
893 ls->rx_fifo->segment_index = seg_index;
894 ls->tx_fifo->segment_index = seg_index;
895 ls->svm_segment_index = seg_index;
896 ls->listener_index = ll->session_index;
897 ls->client_wrk_index = client_wrk->wrk_index;
898 ls->client_opaque = opaque;
899 ls->listener_session_type = ll->session_type;
900 ls->session_state = SESSION_STATE_READY;
902 segment_handle = segment_manager_segment_handle (sm, seg);
903 if ((rv = server->cb_fns.add_segment_callback (server_wrk->api_client_index,
906 clib_warning ("failed to notify server of new segment");
907 segment_manager_segment_reader_unlock (sm);
910 segment_manager_segment_reader_unlock (sm);
911 if ((rv = server->cb_fns.session_accept_callback ((session_t *) ls)))
913 clib_warning ("failed to send accept cut-through notify to server");
916 if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN)
917 app_worker_local_session_connect_notify (ls);
923 segment_manager_del_segment (sm, seg);
928 app_worker_local_session_connect_notify (local_session_t * ls)
930 svm_fifo_segment_private_t *seg;
931 app_worker_t *client_wrk, *server_wrk;
932 segment_manager_t *sm;
933 application_t *client;
938 client_wrk = app_worker_get (ls->client_wrk_index);
939 server_wrk = app_worker_get (ls->app_wrk_index);
940 client = application_get (client_wrk->app_index);
942 sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls);
943 seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index);
944 segment_handle = segment_manager_segment_handle (sm, seg);
945 if ((rv = client->cb_fns.add_segment_callback (client_wrk->api_client_index,
948 clib_warning ("failed to notify client %u of new segment",
949 ls->client_wrk_index);
950 segment_manager_segment_reader_unlock (sm);
951 app_worker_local_session_disconnect (ls->client_wrk_index, ls);
956 segment_manager_segment_reader_unlock (sm);
959 client->cb_fns.session_connected_callback (client_wrk->wrk_index,
961 (session_t *) ls, is_fail);
963 client_key = application_client_local_connect_key (ls);
964 hash_set (client_wrk->local_connects, client_key, client_key);
969 app_worker_local_session_disconnect (u32 app_wrk_index, local_session_t * ls)
971 app_worker_t *client_wrk, *server_wrk;
973 client_wrk = app_worker_get_if_valid (ls->client_wrk_index);
974 server_wrk = app_worker_get (ls->app_wrk_index);
976 if (ls->session_state == SESSION_STATE_CLOSED)
977 return app_worker_local_session_cleanup (client_wrk, server_wrk, ls);
979 if (app_wrk_index == ls->client_wrk_index)
981 mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls);
987 return app_worker_local_session_cleanup (client_wrk, server_wrk,
990 else if (ls->session_state < SESSION_STATE_READY)
992 application_t *client = application_get (client_wrk->app_index);
993 client->cb_fns.session_connected_callback (client_wrk->wrk_index,
997 ls->session_state = SESSION_STATE_CLOSED;
998 return app_worker_local_session_cleanup (client_wrk, server_wrk,
1003 mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls);
1007 ls->session_state = SESSION_STATE_CLOSED;
1013 app_worker_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index)
1015 app_worker_t *app_wrk;
1016 local_session_t *ls;
1017 app_wrk = app_worker_get (app_wrk_index);
1018 ls = app_worker_get_local_session (app_wrk, ls_index);
1019 return app_worker_local_session_disconnect (app_wrk_index, ls);
1023 format_app_worker_listener (u8 * s, va_list * args)
1025 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
1026 u64 handle = va_arg (*args, u64);
1027 u32 sm_index = va_arg (*args, u32);
1028 int verbose = va_arg (*args, int);
1029 session_t *listener;
1036 s = format (s, "%-40s%-25s%=10s%-15s%-15s%-10s", "Connection", "App",
1037 "Wrk", "API Client", "ListenerID", "SegManager");
1039 s = format (s, "%-40s%-25s%=10s", "Connection", "App", "Wrk");
1044 app_name = application_name_from_index (app_wrk->app_index);
1045 listener = listen_session_get_from_handle (handle);
1046 str = format (0, "%U", format_stream_session, listener, verbose);
1051 sprintf (buf, "%u(%u)", app_wrk->wrk_map_index, app_wrk->wrk_index);
1052 s = format (s, "%-40s%-25s%=10s%-15u%-15u%-10u", str, app_name,
1053 buf, app_wrk->api_client_index, handle, sm_index);
1056 s = format (s, "%-40s%-25s%=10u", str, app_name, app_wrk->wrk_map_index);
1062 format_app_worker (u8 * s, va_list * args)
1064 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
1067 s = format (s, "%U wrk-index %u app-index %u map-index %u "
1068 "api-client-index %d\n", format_white_space, indent,
1069 app_wrk->wrk_index, app_wrk->app_index, app_wrk->wrk_map_index,
1070 app_wrk->api_client_index);
1075 app_worker_format_connects (app_worker_t * app_wrk, int verbose)
1077 svm_fifo_segment_private_t *fifo_segment;
1078 vlib_main_t *vm = vlib_get_main ();
1079 segment_manager_t *sm;
1087 vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App",
1088 "API Client", "SegManager");
1090 vlib_cli_output (vm, "%-40s%-20s", "Connection", "App");
1094 if (app_wrk->connects_seg_manager == (u32) ~ 0)
1097 app_name = application_name_from_index (app_wrk->app_index);
1099 /* Across all fifo segments */
1100 sm = segment_manager_get (app_wrk->connects_seg_manager);
1103 segment_manager_foreach_segment_w_lock (fifo_segment, sm, ({
1107 fifo = svm_fifo_segment_get_fifo_list (fifo_segment);
1110 u32 session_index, thread_index;
1113 session_index = fifo->master_session_index;
1114 thread_index = fifo->master_thread_index;
1116 session = session_get (session_index, thread_index);
1117 str = format (0, "%U", format_stream_session, session, verbose);
1120 s = format (s, "%-40s%-20s%-15u%-10u", str, app_name,
1121 app_wrk->api_client_index, app_wrk->connects_seg_manager);
1123 s = format (s, "%-40s%-20s", str, app_name);
1125 vlib_cli_output (vm, "%v", s);
1126 vec_reset_length (s);
1137 app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose)
1139 vlib_main_t *vm = vlib_get_main ();
1140 app_worker_t *client_wrk;
1141 local_session_t *ls;
1142 transport_proto_t tp;
1148 vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp",
1153 if (!pool_elts (app_wrk->local_sessions)
1154 && !pool_elts (app_wrk->local_connects))
1158 pool_foreach (ls, app_wrk->local_sessions, ({
1159 tp = session_type_transport_proto(ls->listener_session_type);
1160 conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp,
1162 client_wrk = app_worker_get (ls->client_wrk_index);
1163 vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_index,
1164 client_wrk->app_index);
1165 vec_reset_length (conn);
1173 app_worker_format_local_connects (app_worker_t * app, int verbose)
1175 vlib_main_t *vm = vlib_get_main ();
1176 u32 app_wrk_index, session_index;
1177 app_worker_t *server_wrk;
1178 local_session_t *ls;
1186 vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App",
1187 "Peer App", "SegManager");
1189 vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "App",
1194 if (!app->local_connects)
1198 hash_foreach (client_key, value, app->local_connects, ({
1199 application_client_local_connect_key_parse (client_key, &app_wrk_index,
1201 server_wrk = app_worker_get (app_wrk_index);
1202 ls = app_worker_get_local_session (server_wrk, session_index);
1203 vlib_cli_output (vm, "%-40s%-15s%-20s", "TODO", ls->app_wrk_index,
1204 ls->client_wrk_index);
1210 * fd.io coding-style-patch-verification: ON
1213 * eval: (c-set-style "gnu")