2 * Copyright (c) 2017 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/application_namespace.h>
19 #include <vnet/session/session.h>
21 static app_main_t app_main;
23 static app_listener_t *
24 app_listener_alloc (application_t * app)
26 app_listener_t *app_listener;
27 pool_get (app->listeners, app_listener);
28 clib_memset (app_listener, 0, sizeof (*app_listener));
29 app_listener->al_index = app_listener - app->listeners;
33 static app_listener_t *
34 app_listener_get (application_t * app, u32 app_listener_index)
36 return pool_elt_at_index (app->listeners, app_listener_index);
40 app_listener_free (application_t * app, app_listener_t * app_listener)
42 clib_bitmap_free (app_listener->workers);
43 pool_put (app->listeners, app_listener);
45 clib_memset (app_listener, 0xfa, sizeof (*app_listener));
48 static app_listener_t *
49 app_local_listener_alloc (application_t * app)
51 app_listener_t *app_listener;
52 pool_get (app->local_listeners, app_listener);
53 clib_memset (app_listener, 0, sizeof (*app_listener));
54 app_listener->al_index = app_listener - app->local_listeners;
58 static app_listener_t *
59 app_local_listener_get (application_t * app, u32 app_listener_index)
61 return pool_elt_at_index (app->local_listeners, app_listener_index);
65 app_local_listener_free (application_t * app, app_listener_t * app_listener)
67 clib_bitmap_free (app_listener->workers);
68 pool_put (app->local_listeners, app_listener);
70 clib_memset (app_listener, 0xfa, sizeof (*app_listener));
73 static app_worker_map_t *
74 app_worker_map_alloc (application_t * app)
76 app_worker_map_t *map;
77 pool_get (app->worker_maps, map);
78 clib_memset (map, 0, sizeof (*map));
83 app_worker_map_index (application_t * app, app_worker_map_t * map)
85 return (map - app->worker_maps);
89 app_worker_map_free (application_t * app, app_worker_map_t * map)
91 pool_put (app->worker_maps, map);
94 static app_worker_map_t *
95 app_worker_map_get (application_t * app, u32 map_index)
97 return pool_elt_at_index (app->worker_maps, map_index);
101 app_get_name (application_t * app)
107 application_session_table (application_t * app, u8 fib_proto)
109 app_namespace_t *app_ns;
110 app_ns = app_namespace_get (app->ns_index);
111 if (!application_has_global_scope (app))
112 return APP_INVALID_INDEX;
113 if (fib_proto == FIB_PROTOCOL_IP4)
114 return session_lookup_get_index_for_fib (fib_proto,
115 app_ns->ip4_fib_index);
117 return session_lookup_get_index_for_fib (fib_proto,
118 app_ns->ip6_fib_index);
122 application_local_session_table (application_t * app)
124 app_namespace_t *app_ns;
125 if (!application_has_local_scope (app))
126 return APP_INVALID_INDEX;
127 app_ns = app_namespace_get (app->ns_index);
128 return app_ns->local_table_index;
132 application_local_listener_session_endpoint (local_session_t * ll,
133 session_endpoint_t * sep)
135 sep->transport_proto =
136 session_type_transport_proto (ll->listener_session_type);
137 sep->port = ll->port;
138 sep->is_ip4 = ll->listener_session_type & 1;
142 * Returns app name for app-index
145 application_name_from_index (u32 app_index)
147 application_t *app = application_get (app_index);
150 return app_get_name (app);
154 application_api_table_add (u32 app_index, u32 api_client_index)
156 if (api_client_index != APP_INVALID_INDEX)
157 hash_set (app_main.app_by_api_client_index, api_client_index, app_index);
161 application_api_table_del (u32 api_client_index)
163 hash_unset (app_main.app_by_api_client_index, api_client_index);
167 application_name_table_add (application_t * app)
169 hash_set_mem (app_main.app_by_name, app->name, app->app_index);
173 application_name_table_del (application_t * app)
175 hash_unset_mem (app_main.app_by_name, app->name);
179 application_lookup (u32 api_client_index)
182 p = hash_get (app_main.app_by_api_client_index, api_client_index);
184 return application_get_if_valid (p[0]);
190 application_lookup_name (const u8 * name)
193 p = hash_get_mem (app_main.app_by_name, name);
195 return application_get (p[0]);
201 application_alloc (void)
204 pool_get (app_main.app_pool, app);
205 clib_memset (app, 0, sizeof (*app));
206 app->app_index = app - app_main.app_pool;
211 application_get (u32 app_index)
213 if (app_index == APP_INVALID_INDEX)
215 return pool_elt_at_index (app_main.app_pool, app_index);
219 application_get_if_valid (u32 app_index)
221 if (pool_is_free_index (app_main.app_pool, app_index))
224 return pool_elt_at_index (app_main.app_pool, app_index);
228 application_verify_cb_fns (session_cb_vft_t * cb_fns)
230 if (cb_fns->session_accept_callback == 0)
231 clib_warning ("No accept callback function provided");
232 if (cb_fns->session_connected_callback == 0)
233 clib_warning ("No session connected callback function provided");
234 if (cb_fns->session_disconnect_callback == 0)
235 clib_warning ("No session disconnect callback function provided");
236 if (cb_fns->session_reset_callback == 0)
237 clib_warning ("No session reset callback function provided");
241 * Check app config for given segment type
243 * Returns 1 on success and 0 otherwise
246 application_verify_cfg (ssvm_segment_type_t st)
249 if (st == SSVM_SEGMENT_MEMFD)
251 is_valid = (session_manager_get_evt_q_segment () != 0);
253 clib_warning ("memfd seg: vpp's event qs IN binary api svm region");
256 else if (st == SSVM_SEGMENT_SHM)
258 is_valid = (session_manager_get_evt_q_segment () == 0);
260 clib_warning ("shm seg: vpp's event qs NOT IN binary api svm region");
268 application_alloc_and_init (app_init_args_t * a)
270 ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD;
271 segment_manager_properties_t *props;
272 vl_api_registration_t *reg;
276 app = application_alloc ();
277 options = a->options;
279 * Make sure we support the requested configuration
281 if (!(options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_IS_BUILTIN))
283 reg = vl_api_client_index_to_registration (a->api_client_index);
285 return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
286 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
287 seg_type = SSVM_SEGMENT_SHM;
291 if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
293 clib_warning ("mq eventfds can only be used if socket transport is "
295 return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
297 seg_type = SSVM_SEGMENT_PRIVATE;
300 if (!application_verify_cfg (seg_type))
301 return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
303 /* Check that the obvious things are properly set up */
304 application_verify_cb_fns (a->session_cb_vft);
306 app->flags = options[APP_OPTIONS_FLAGS];
307 app->cb_fns = *a->session_cb_vft;
308 app->ns_index = options[APP_OPTIONS_NAMESPACE];
309 app->proxied_transports = options[APP_OPTIONS_PROXY_TRANSPORT];
310 app->name = vec_dup (a->name);
312 /* If no scope enabled, default to global */
313 if (!application_has_global_scope (app)
314 && !application_has_local_scope (app))
315 app->flags |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
317 props = application_segment_manager_properties (app);
318 segment_manager_properties_init (props);
319 props->segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
320 props->prealloc_fifos = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS];
321 if (options[APP_OPTIONS_ADD_SEGMENT_SIZE])
323 props->add_segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
324 props->add_segment = 1;
326 if (options[APP_OPTIONS_RX_FIFO_SIZE])
327 props->rx_fifo_size = options[APP_OPTIONS_RX_FIFO_SIZE];
328 if (options[APP_OPTIONS_TX_FIFO_SIZE])
329 props->tx_fifo_size = options[APP_OPTIONS_TX_FIFO_SIZE];
330 if (options[APP_OPTIONS_EVT_QUEUE_SIZE])
331 props->evt_q_size = options[APP_OPTIONS_EVT_QUEUE_SIZE];
332 if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
333 props->use_mq_eventfd = 1;
334 if (options[APP_OPTIONS_TLS_ENGINE])
335 app->tls_engine = options[APP_OPTIONS_TLS_ENGINE];
336 props->segment_type = seg_type;
338 /* Add app to lookup by api_client_index table */
339 if (!application_is_builtin (app))
340 application_api_table_add (app->app_index, a->api_client_index);
342 application_name_table_add (app);
344 a->app_index = app->app_index;
346 APP_DBG ("New app name: %v api index: %u index %u", app->name,
347 app->api_client_index, app->app_index);
353 application_free (application_t * app)
355 app_worker_map_t *wrk_map;
356 app_worker_t *app_wrk;
359 session_endpoint_t sep;
362 * The app event queue allocated in first segment is cleared with
363 * the segment manager. No need to explicitly free it.
365 APP_DBG ("Delete app name %v api index: %d index: %d", app->name,
366 app->api_client_index, app->app_index);
368 if (application_is_proxy (app))
369 application_remove_proxy (app);
376 pool_flush (wrk_map, app->worker_maps, ({
377 app_wrk = app_worker_get (wrk_map->wrk_index);
378 app_worker_free (app_wrk);
381 pool_free (app->worker_maps);
384 * Free local listeners. Global table unbinds stop local listeners
385 * as well, but if we have only local binds, these won't be cleaned up.
386 * Don't bother with local accepted sessions, we clean them when
387 * cleaning up the worker.
389 table_index = application_local_session_table (app);
391 pool_foreach (ll, app->local_listen_sessions, ({
392 application_local_listener_session_endpoint (ll, &sep);
393 session_lookup_del_session_endpoint (table_index, &sep);
396 pool_free (app->local_listen_sessions);
399 * Cleanup remaining state
401 if (application_is_builtin (app))
402 application_name_table_del (app);
403 vec_free (app->name);
404 vec_free (app->tls_cert);
405 vec_free (app->tls_key);
406 pool_put (app_main.app_pool, app);
410 application_detach_process (application_t * app, u32 api_client_index)
412 vnet_app_worker_add_del_args_t _args = { 0 }, *args = &_args;
413 app_worker_map_t *wrk_map;
414 u32 *wrks = 0, *wrk_index;
415 app_worker_t *app_wrk;
417 if (api_client_index == ~0)
419 application_free (app);
423 APP_DBG ("Detaching for app %v index %u api client index %u", app->name,
424 app->app_index, app->api_client_index);
427 pool_foreach (wrk_map, app->worker_maps, ({
428 app_wrk = app_worker_get (wrk_map->wrk_index);
429 if (app_wrk->api_client_index == api_client_index)
430 vec_add1 (wrks, app_wrk->wrk_index);
436 clib_warning ("no workers for app %u api_index %u", app->app_index,
441 args->app_index = app->app_index;
442 args->api_client_index = api_client_index;
443 vec_foreach (wrk_index, wrks)
445 app_wrk = app_worker_get (wrk_index[0]);
446 args->wrk_map_index = app_wrk->wrk_map_index;
448 vnet_app_worker_add_del (args);
454 application_get_worker (application_t * app, u32 wrk_map_index)
456 app_worker_map_t *map;
457 map = app_worker_map_get (app, wrk_map_index);
460 return app_worker_get (map->wrk_index);
464 application_get_default_worker (application_t * app)
466 return application_get_worker (app, 0);
470 application_n_workers (application_t * app)
472 return pool_elts (app->worker_maps);
476 application_listener_select_worker (stream_session_t * ls, u8 is_local)
478 app_listener_t *app_listener;
482 app = application_get (ls->app_index);
484 app_listener = app_listener_get (app, ls->listener_db_index);
486 app_listener = app_local_listener_get (app, ls->listener_db_index);
488 wrk_index = clib_bitmap_next_set (app_listener->workers,
489 app_listener->accept_rotor + 1);
491 wrk_index = clib_bitmap_first_set (app_listener->workers);
493 ASSERT (wrk_index != ~0);
494 app_listener->accept_rotor = wrk_index;
495 return application_get_worker (app, wrk_index);
499 app_worker_alloc (application_t * app)
501 app_worker_t *app_wrk;
502 pool_get (app_main.workers, app_wrk);
503 clib_memset (app_wrk, 0, sizeof (*app_wrk));
504 app_wrk->wrk_index = app_wrk - app_main.workers;
505 app_wrk->app_index = app->app_index;
506 app_wrk->wrk_map_index = ~0;
507 app_wrk->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
508 app_wrk->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
509 app_wrk->local_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
510 APP_DBG ("New app %v worker %u", app_get_name (app), app_wrk->wrk_index);
515 app_worker_get (u32 wrk_index)
517 return pool_elt_at_index (app_main.workers, wrk_index);
521 app_worker_get_if_valid (u32 wrk_index)
523 if (pool_is_free_index (app_main.workers, wrk_index))
525 return pool_elt_at_index (app_main.workers, wrk_index);
529 app_worker_free (app_worker_t * app_wrk)
531 application_t *app = application_get (app_wrk->app_index);
532 vnet_unbind_args_t _a, *a = &_a;
533 u64 handle, *handles = 0;
534 segment_manager_t *sm;
543 hash_foreach (handle, sm_index, app_wrk->listeners_table,
545 vec_add1 (handles, handle);
546 sm = segment_manager_get (sm_index);
547 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
551 for (i = 0; i < vec_len (handles); i++)
553 a->app_index = app->app_index;
554 a->wrk_map_index = app_wrk->wrk_map_index;
555 a->handle = handles[i];
556 /* seg manager is removed when unbind completes */
561 * Connects segment manager cleanup
564 if (app_wrk->connects_seg_manager != APP_INVALID_SEGMENT_MANAGER_INDEX)
566 sm = segment_manager_get (app_wrk->connects_seg_manager);
567 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
568 segment_manager_init_del (sm);
571 /* If first segment manager is used by a listener */
572 if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
573 && app_wrk->first_segment_manager != app_wrk->connects_seg_manager)
575 sm = segment_manager_get (app_wrk->first_segment_manager);
576 sm->first_is_protected = 0;
577 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
578 /* .. and has no fifos, e.g. it might be used for redirected sessions,
580 if (!segment_manager_has_fifos (sm))
581 segment_manager_del (sm);
587 app_worker_local_sessions_free (app_wrk);
589 pool_put (app_main.workers, app_wrk);
591 clib_memset (app_wrk, 0xfe, sizeof (*app_wrk));
595 app_worker_alloc_and_init (application_t * app, app_worker_t ** wrk)
597 app_worker_map_t *wrk_map;
598 app_worker_t *app_wrk;
599 segment_manager_t *sm;
602 app_wrk = app_worker_alloc (app);
603 wrk_map = app_worker_map_alloc (app);
604 wrk_map->wrk_index = app_wrk->wrk_index;
605 app_wrk->wrk_map_index = app_worker_map_index (app, wrk_map);
608 * Setup first segment manager
610 sm = segment_manager_new ();
611 sm->app_wrk_index = app_wrk->wrk_index;
613 if ((rv = segment_manager_init (sm, app->sm_properties.segment_size,
614 app->sm_properties.prealloc_fifos)))
616 app_worker_free (app_wrk);
619 sm->first_is_protected = 1;
624 app_wrk->first_segment_manager = segment_manager_index (sm);
625 app_wrk->listeners_table = hash_create (0, sizeof (u64));
626 app_wrk->event_queue = segment_manager_event_queue (sm);
627 app_wrk->app_is_builtin = application_is_builtin (app);
630 * Segment manager for local sessions
632 sm = segment_manager_new ();
633 sm->app_wrk_index = app_wrk->wrk_index;
634 app_wrk->local_segment_manager = segment_manager_index (sm);
635 app_wrk->local_connects = hash_create (0, sizeof (u64));
643 app_worker_get_app (u32 wrk_index)
645 app_worker_t *app_wrk;
646 app_wrk = app_worker_get_if_valid (wrk_index);
649 return application_get_if_valid (app_wrk->app_index);
652 static segment_manager_t *
653 app_worker_alloc_segment_manager (app_worker_t * app_wrk)
655 segment_manager_t *sm = 0;
657 /* If the first segment manager is not in use, don't allocate a new one */
658 if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
659 && app_wrk->first_segment_manager_in_use == 0)
661 sm = segment_manager_get (app_wrk->first_segment_manager);
662 app_wrk->first_segment_manager_in_use = 1;
666 sm = segment_manager_new ();
667 sm->app_wrk_index = app_wrk->wrk_index;
673 app_worker_start_listen (app_worker_t * app_wrk, stream_session_t * ls)
675 segment_manager_t *sm;
677 /* Allocate segment manager. All sessions derived out of a listen session
678 * have fifos allocated by the same segment manager. */
679 if (!(sm = app_worker_alloc_segment_manager (app_wrk)))
682 /* Add to app's listener table. Useful to find all child listeners
683 * when app goes down, although, just for unbinding this is not needed */
684 hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
685 segment_manager_index (sm));
687 if (!ls->server_rx_fifo
688 && session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
690 if (session_alloc_fifos (sm, ls))
697 app_worker_stop_listen (app_worker_t * app_wrk, session_handle_t handle)
699 segment_manager_t *sm;
702 sm_indexp = hash_get (app_wrk->listeners_table, handle);
703 if (PREDICT_FALSE (!sm_indexp))
705 clib_warning ("listener handle was removed %llu!", handle);
709 sm = segment_manager_get (*sm_indexp);
710 if (app_wrk->first_segment_manager == *sm_indexp)
712 /* Delete sessions but don't remove segment manager */
713 app_wrk->first_segment_manager_in_use = 0;
714 segment_manager_del_sessions (sm);
718 segment_manager_init_del (sm);
720 hash_unset (app_wrk->listeners_table, handle);
726 * Start listening local transport endpoint for requested transport.
728 * Creates a 'dummy' stream session with state LISTENING to be used in session
729 * lookups, prior to establishing connection. Requests transport to build
730 * it's own specific listening connection.
733 application_start_listen (application_t * app,
734 session_endpoint_cfg_t * sep_ext,
735 session_handle_t * res)
737 app_listener_t *app_listener;
738 u32 table_index, fib_proto;
739 session_endpoint_t *sep;
740 app_worker_t *app_wrk;
741 stream_session_t *ls;
746 * Check if sep is already listened on
748 sep = (session_endpoint_t *) sep_ext;
749 fib_proto = session_endpoint_fib_proto (sep);
750 table_index = application_session_table (app, fib_proto);
751 lh = session_lookup_endpoint_listener (table_index, sep, 1);
752 if (lh != SESSION_INVALID_HANDLE)
754 ls = listen_session_get_from_handle (lh);
755 if (ls->app_index != app->app_index)
756 return VNET_API_ERROR_ADDRESS_IN_USE;
758 app_wrk = app_worker_get (sep_ext->app_wrk_index);
759 if (ls->app_wrk_index == app_wrk->wrk_index)
760 return VNET_API_ERROR_ADDRESS_IN_USE;
762 if (app_worker_start_listen (app_wrk, ls))
765 app_listener = app_listener_get (app, ls->listener_db_index);
766 app_listener->workers = clib_bitmap_set (app_listener->workers,
767 app_wrk->wrk_map_index, 1);
769 *res = listen_session_get_handle (ls);
774 * Allocate new listener for application
776 sst = session_type_from_proto_and_ip (sep_ext->transport_proto,
778 ls = listen_session_new (0, sst);
779 ls->app_index = app->app_index;
780 lh = listen_session_get_handle (ls);
781 if (session_listen (ls, sep_ext))
785 ls = listen_session_get_from_handle (lh);
786 app_listener = app_listener_alloc (app);
787 ls->listener_db_index = app_listener->al_index;
790 * Setup app worker as a listener
792 app_wrk = app_worker_get (sep_ext->app_wrk_index);
793 ls->app_wrk_index = app_wrk->wrk_index;
794 if (app_worker_start_listen (app_wrk, ls))
796 app_listener->workers = clib_bitmap_set (app_listener->workers,
797 app_wrk->wrk_map_index, 1);
803 listen_session_del (ls);
808 * Stop listening on session associated to handle
810 * @param handle listener handle
811 * @param app_index index of the app owning the handle.
812 * @param app_wrk_index index of the worker requesting the stop
815 application_stop_listen (u32 app_index, u32 app_wrk_index,
816 session_handle_t handle)
818 app_listener_t *app_listener;
819 stream_session_t *listener;
820 app_worker_t *app_wrk;
823 listener = listen_session_get_from_handle (handle);
824 app = application_get (app_index);
825 if (PREDICT_FALSE (!app || app->app_index != listener->app_index))
827 clib_warning ("app doesn't own handle %llu!", handle);
831 app_listener = app_listener_get (app, listener->listener_db_index);
832 if (!clib_bitmap_get (app_listener->workers, app_wrk_index))
834 clib_warning ("worker %u not listening on handle %lu", app_wrk_index,
839 app_wrk = application_get_worker (app, app_wrk_index);
840 app_worker_stop_listen (app_wrk, handle);
841 clib_bitmap_set_no_check (app_listener->workers, app_wrk_index, 0);
843 if (clib_bitmap_is_zero (app_listener->workers))
845 session_stop_listen (listener);
846 app_listener_free (app, app_listener);
847 listen_session_del (listener);
854 app_worker_open_session (app_worker_t * app, session_endpoint_t * sep,
859 /* Make sure we have a segment manager for connects */
860 app_worker_alloc_connects_segment_manager (app);
862 if ((rv = session_open (app->wrk_index, sep, api_context)))
869 app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
871 segment_manager_t *sm;
873 if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
875 sm = app_worker_alloc_segment_manager (app_wrk);
878 app_wrk->connects_seg_manager = segment_manager_index (sm);
884 app_worker_get_connect_segment_manager (app_worker_t * app)
886 ASSERT (app->connects_seg_manager != (u32) ~ 0);
887 return segment_manager_get (app->connects_seg_manager);
891 app_worker_get_listen_segment_manager (app_worker_t * app,
892 stream_session_t * listener)
895 smp = hash_get (app->listeners_table, listen_session_get_handle (listener));
897 return segment_manager_get (*smp);
901 vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a)
903 svm_fifo_segment_private_t *fs;
904 app_worker_map_t *wrk_map;
905 app_worker_t *app_wrk;
906 segment_manager_t *sm;
910 app = application_get (a->app_index);
912 return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
913 "App %u does not exist", a->app_index);
917 if ((rv = app_worker_alloc_and_init (app, &app_wrk)))
918 return clib_error_return_code (0, rv, 0, "app wrk init: %d", rv);
920 /* Map worker api index to the app */
921 app_wrk->api_client_index = a->api_client_index;
922 application_api_table_add (app->app_index, a->api_client_index);
924 sm = segment_manager_get (app_wrk->first_segment_manager);
925 fs = segment_manager_get_segment_w_lock (sm, 0);
926 a->segment = &fs->ssvm;
927 segment_manager_segment_reader_unlock (sm);
928 a->evt_q = app_wrk->event_queue;
929 a->wrk_map_index = app_wrk->wrk_map_index;
933 wrk_map = app_worker_map_get (app, a->wrk_map_index);
935 return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
936 "App %u does not have worker %u",
937 app->app_index, a->wrk_map_index);
938 app_wrk = app_worker_get (wrk_map->wrk_index);
940 return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
941 "No worker %u", a->wrk_map_index);
942 application_api_table_del (app_wrk->api_client_index);
943 app_worker_free (app_wrk);
944 app_worker_map_free (app, wrk_map);
945 if (application_n_workers (app) == 0)
946 application_free (app);
952 application_get_local_segment_manager (app_worker_t * app)
954 return segment_manager_get (app->local_segment_manager);
958 application_get_local_segment_manager_w_session (app_worker_t * app,
959 local_session_t * ls)
961 stream_session_t *listener;
962 if (application_local_session_listener_has_transport (ls))
964 listener = listen_session_get (ls->listener_index);
965 return app_worker_get_listen_segment_manager (app, listener);
967 return segment_manager_get (app->local_segment_manager);
971 application_is_proxy (application_t * app)
973 return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY);
977 application_is_builtin (application_t * app)
979 return (app->flags & APP_OPTIONS_FLAGS_IS_BUILTIN);
983 application_is_builtin_proxy (application_t * app)
985 return (application_is_proxy (app) && application_is_builtin (app));
989 application_has_local_scope (application_t * app)
991 return app->flags & APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
995 application_has_global_scope (application_t * app)
997 return app->flags & APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
1001 application_use_mq_for_ctrl (application_t * app)
1003 return app->flags & APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
1007 * Send an API message to the external app, to map new segment
1010 app_worker_add_segment_notify (u32 app_wrk_index, ssvm_private_t * fs)
1012 app_worker_t *app_wrk = app_worker_get (app_wrk_index);
1013 application_t *app = application_get (app_wrk->app_index);
1014 return app->cb_fns.add_segment_callback (app_wrk->api_client_index, fs);
1018 application_n_listeners (app_worker_t * app)
1020 return hash_elts (app->listeners_table);
1024 app_worker_first_listener (app_worker_t * app, u8 fib_proto,
1027 stream_session_t *listener;
1032 sst = session_type_from_proto_and_ip (transport_proto,
1033 fib_proto == FIB_PROTOCOL_IP4);
1036 hash_foreach (handle, sm_index, app->listeners_table, ({
1037 listener = listen_session_get_from_handle (handle);
1038 if (listener->session_type == sst
1039 && listener->enqueue_epoch != SESSION_PROXY_LISTENER_INDEX)
1048 app_worker_application_is_builtin (app_worker_t * app_wrk)
1050 return app_wrk->app_is_builtin;
1054 application_proxy_listener (app_worker_t * app, u8 fib_proto,
1057 stream_session_t *listener;
1062 sst = session_type_from_proto_and_ip (transport_proto,
1063 fib_proto == FIB_PROTOCOL_IP4);
1066 hash_foreach (handle, sm_index, app->listeners_table, ({
1067 listener = listen_session_get_from_handle (handle);
1068 if (listener->session_type == sst
1069 && listener->enqueue_epoch == SESSION_PROXY_LISTENER_INDEX)
1077 static clib_error_t *
1078 application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto,
1079 u8 transport_proto, u8 is_start)
1081 app_namespace_t *app_ns = app_namespace_get (app->ns_index);
1082 u8 is_ip4 = (fib_proto == FIB_PROTOCOL_IP4);
1083 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
1084 transport_connection_t *tc;
1085 app_worker_t *app_wrk;
1086 stream_session_t *s;
1089 /* TODO decide if we want proxy to be enabled for all workers */
1090 app_wrk = application_get_default_worker (app);
1093 s = app_worker_first_listener (app_wrk, fib_proto, transport_proto);
1096 sep.is_ip4 = is_ip4;
1097 sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
1098 sep.sw_if_index = app_ns->sw_if_index;
1099 sep.transport_proto = transport_proto;
1100 sep.app_wrk_index = app_wrk->wrk_index; /* only default */
1101 application_start_listen (app, &sep, &handle);
1102 s = listen_session_get_from_handle (handle);
1103 s->enqueue_epoch = SESSION_PROXY_LISTENER_INDEX;
1108 s = application_proxy_listener (app_wrk, fib_proto, transport_proto);
1112 tc = listen_session_get_transport (s);
1114 if (!ip_is_zero (&tc->lcl_ip, 1))
1117 sep.is_ip4 = is_ip4;
1118 sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
1119 sep.transport_proto = transport_proto;
1121 sti = session_lookup_get_index_for_fib (fib_proto, sep.fib_index);
1123 session_lookup_add_session_endpoint (sti,
1124 (session_endpoint_t *) & sep,
1127 session_lookup_del_session_endpoint (sti,
1128 (session_endpoint_t *) & sep);
1135 application_start_stop_proxy_local_scope (application_t * app,
1136 u8 transport_proto, u8 is_start)
1138 session_endpoint_t sep = SESSION_ENDPOINT_NULL;
1139 app_namespace_t *app_ns;
1140 app_ns = app_namespace_get (app->ns_index);
1142 sep.transport_proto = transport_proto;
1147 session_lookup_add_session_endpoint (app_ns->local_table_index, &sep,
1150 session_lookup_add_session_endpoint (app_ns->local_table_index, &sep,
1155 session_lookup_del_session_endpoint (app_ns->local_table_index, &sep);
1157 session_lookup_del_session_endpoint (app_ns->local_table_index, &sep);
1162 application_start_stop_proxy (application_t * app,
1163 transport_proto_t transport_proto, u8 is_start)
1165 if (application_has_local_scope (app))
1166 application_start_stop_proxy_local_scope (app, transport_proto, is_start);
1168 if (application_has_global_scope (app))
1170 application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP4,
1171 transport_proto, is_start);
1172 application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP6,
1173 transport_proto, is_start);
1178 application_setup_proxy (application_t * app)
1180 u16 transports = app->proxied_transports;
1181 transport_proto_t tp;
1183 ASSERT (application_is_proxy (app));
1186 transport_proto_foreach (tp, ({
1187 if (transports & (1 << tp))
1188 application_start_stop_proxy (app, tp, 1);
1194 application_remove_proxy (application_t * app)
1196 u16 transports = app->proxied_transports;
1197 transport_proto_t tp;
1199 ASSERT (application_is_proxy (app));
1202 transport_proto_foreach (tp, ({
1203 if (transports & (1 << tp))
1204 application_start_stop_proxy (app, tp, 0);
1209 segment_manager_properties_t *
1210 application_segment_manager_properties (application_t * app)
1212 return &app->sm_properties;
1215 segment_manager_properties_t *
1216 application_get_segment_manager_properties (u32 app_index)
1218 application_t *app = application_get (app_index);
1219 return &app->sm_properties;
1223 app_enqueue_evt (svm_msg_q_t * mq, svm_msg_q_msg_t * msg, u8 lock)
1225 if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
1227 clib_warning ("evt q full");
1228 svm_msg_q_free_msg (mq, msg);
1230 svm_msg_q_unlock (mq);
1236 svm_msg_q_add_and_unlock (mq, msg);
1240 /* Even when not locking the ring, we must wait for queue mutex */
1241 if (svm_msg_q_add (mq, msg, SVM_Q_WAIT))
1243 clib_warning ("msg q add returned");
1250 app_send_io_evt_rx (app_worker_t * app_wrk, stream_session_t * s, u8 lock)
1252 session_event_t *evt;
1253 svm_msg_q_msg_t msg;
1256 if (PREDICT_FALSE (s->session_state != SESSION_STATE_READY
1257 && s->session_state != SESSION_STATE_LISTENING))
1259 /* Session is closed so app will never clean up. Flush rx fifo */
1260 if (s->session_state == SESSION_STATE_CLOSED)
1261 svm_fifo_dequeue_drop_all (s->server_rx_fifo);
1265 if (app_worker_application_is_builtin (app_wrk))
1267 application_t *app = application_get (app_wrk->app_index);
1268 return app->cb_fns.builtin_app_rx_callback (s);
1271 if (svm_fifo_has_event (s->server_rx_fifo)
1272 || svm_fifo_is_empty (s->server_rx_fifo))
1275 mq = app_wrk->event_queue;
1277 svm_msg_q_lock (mq);
1279 if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
1281 clib_warning ("evt q rings full");
1283 svm_msg_q_unlock (mq);
1287 msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
1288 ASSERT (!svm_msg_q_msg_is_invalid (&msg));
1290 evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
1291 evt->fifo = s->server_rx_fifo;
1292 evt->event_type = FIFO_EVENT_APP_RX;
1294 (void) svm_fifo_set_event (s->server_rx_fifo);
1296 if (app_enqueue_evt (mq, &msg, lock))
1302 app_send_io_evt_tx (app_worker_t * app_wrk, stream_session_t * s, u8 lock)
1305 session_event_t *evt;
1306 svm_msg_q_msg_t msg;
1308 if (app_worker_application_is_builtin (app_wrk))
1311 mq = app_wrk->event_queue;
1313 svm_msg_q_lock (mq);
1315 if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
1317 clib_warning ("evt q rings full");
1319 svm_msg_q_unlock (mq);
1323 msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
1324 ASSERT (!svm_msg_q_msg_is_invalid (&msg));
1326 evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
1327 evt->event_type = FIFO_EVENT_APP_TX;
1328 evt->fifo = s->server_tx_fifo;
1330 return app_enqueue_evt (mq, &msg, lock);
1334 typedef int (app_send_evt_handler_fn) (app_worker_t *app,
1335 stream_session_t *s,
1337 static app_send_evt_handler_fn * const app_send_evt_handler_fns[3] = {
1345 * Send event to application
1347 * Logic from queue perspective is non-blocking. If there's
1348 * not enough space to enqueue a message, we return.
1351 app_worker_send_event (app_worker_t * app, stream_session_t * s, u8 evt_type)
1353 ASSERT (app && evt_type <= FIFO_EVENT_APP_TX);
1354 return app_send_evt_handler_fns[evt_type] (app, s, 0 /* lock */ );
1358 * Send event to application
1360 * Logic from queue perspective is blocking. However, if queue is full,
1364 app_worker_lock_and_send_event (app_worker_t * app, stream_session_t * s,
1367 return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ );
1371 application_local_session_alloc (app_worker_t * app_wrk)
1374 pool_get (app_wrk->local_sessions, s);
1375 clib_memset (s, 0, sizeof (*s));
1376 s->app_wrk_index = app_wrk->wrk_index;
1377 s->session_index = s - app_wrk->local_sessions;
1378 s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
1383 application_local_session_free (app_worker_t * app, local_session_t * s)
1385 pool_put (app->local_sessions, s);
1387 clib_memset (s, 0xfc, sizeof (*s));
1391 application_get_local_session (app_worker_t * app_wrk, u32 session_index)
1393 if (pool_is_free_index (app_wrk->local_sessions, session_index))
1395 return pool_elt_at_index (app_wrk->local_sessions, session_index);
1399 application_get_local_session_from_handle (session_handle_t handle)
1401 app_worker_t *server_wrk;
1402 u32 session_index, server_wrk_index;
1403 local_session_parse_handle (handle, &server_wrk_index, &session_index);
1404 server_wrk = app_worker_get_if_valid (server_wrk_index);
1407 return application_get_local_session (server_wrk, session_index);
1411 application_local_listen_session_alloc (application_t * app)
1413 local_session_t *ll;
1414 pool_get (app->local_listen_sessions, ll);
1415 clib_memset (ll, 0, sizeof (*ll));
1420 application_local_listener_index (application_t * app, local_session_t * ll)
1422 return (ll - app->local_listen_sessions);
1426 application_local_listen_session_free (application_t * app,
1427 local_session_t * ll)
1429 pool_put (app->local_listen_sessions, ll);
1431 clib_memset (ll, 0xfb, sizeof (*ll));
1435 application_start_local_listen (application_t * app,
1436 session_endpoint_cfg_t * sep_ext,
1437 session_handle_t * handle)
1439 app_listener_t *app_listener;
1440 session_endpoint_t *sep;
1441 app_worker_t *app_wrk;
1442 session_handle_t lh;
1443 local_session_t *ll;
1446 sep = (session_endpoint_t *) sep_ext;
1447 table_index = application_local_session_table (app);
1448 app_wrk = app_worker_get (sep_ext->app_wrk_index);
1450 /* An exact sep match, as opposed to session_lookup_local_listener */
1451 lh = session_lookup_endpoint_listener (table_index, sep, 1);
1452 if (lh != SESSION_INVALID_HANDLE)
1454 ll = application_get_local_listener_w_handle (lh);
1455 if (ll->app_index != app->app_index)
1456 return VNET_API_ERROR_ADDRESS_IN_USE;
1458 if (ll->app_wrk_index == app_wrk->wrk_index)
1459 return VNET_API_ERROR_ADDRESS_IN_USE;
1461 app_listener = app_local_listener_get (app, ll->listener_db_index);
1462 app_listener->workers = clib_bitmap_set (app_listener->workers,
1463 app_wrk->wrk_map_index, 1);
1464 *handle = application_local_session_handle (ll);
1468 ll = application_local_listen_session_alloc (app);
1469 ll->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
1470 ll->app_wrk_index = app_wrk->app_index;
1471 ll->session_index = application_local_listener_index (app, ll);
1472 ll->port = sep_ext->port;
1473 /* Store the original session type for the unbind */
1474 ll->listener_session_type =
1475 session_type_from_proto_and_ip (sep_ext->transport_proto,
1477 ll->transport_listener_index = ~0;
1478 ll->app_index = app->app_index;
1480 app_listener = app_local_listener_alloc (app);
1481 ll->listener_db_index = app_listener->al_index;
1482 app_listener->workers = clib_bitmap_set (app_listener->workers,
1483 app_wrk->wrk_map_index, 1);
1485 *handle = application_local_session_handle (ll);
1486 session_lookup_add_session_endpoint (table_index, sep, *handle);
1492 * Clean up local session table. If we have a listener session use it to
1493 * find the port and proto. If not, the handle must be a local table handle
1497 application_stop_local_listen (u32 app_index, u32 wrk_map_index,
1498 session_handle_t lh)
1500 session_endpoint_t sep = SESSION_ENDPOINT_NULL;
1501 u32 table_index, ll_index, server_index;
1502 app_listener_t *app_listener;
1503 app_worker_t *server_wrk;
1504 stream_session_t *sl = 0;
1505 local_session_t *ll, *ls;
1506 application_t *server;
1508 server = application_get (app_index);
1509 table_index = application_local_session_table (server);
1511 /* We have both local and global table binds. Figure from global what
1512 * the sep we should be cleaning up is.
1514 if (!session_handle_is_local (lh))
1516 sl = listen_session_get_from_handle (lh);
1517 if (!sl || listen_session_get_local_session_endpoint (sl, &sep))
1519 clib_warning ("broken listener");
1522 lh = session_lookup_endpoint_listener (table_index, &sep, 0);
1523 if (lh == SESSION_INVALID_HANDLE)
1527 local_session_parse_handle (lh, &server_index, &ll_index);
1528 if (PREDICT_FALSE (server_index != app_index))
1530 clib_warning ("app %u does not own local handle 0x%lx", app_index, lh);
1534 ll = application_get_local_listen_session (server, ll_index);
1535 if (PREDICT_FALSE (!ll))
1537 clib_warning ("no local listener");
1541 app_listener = app_local_listener_get (server, ll->listener_db_index);
1542 if (!clib_bitmap_get (app_listener->workers, wrk_map_index))
1544 clib_warning ("app wrk %u not listening on handle %lu", wrk_map_index,
1549 server_wrk = application_get_worker (server, wrk_map_index);
1551 pool_foreach (ls, server_wrk->local_sessions, ({
1552 if (ls->listener_index == ll->session_index)
1553 application_local_session_disconnect (server_wrk->app_index, ls);
1557 clib_bitmap_set_no_check (app_listener->workers, wrk_map_index, 0);
1558 if (clib_bitmap_is_zero (app_listener->workers))
1560 app_local_listener_free (server, app_listener);
1561 application_local_listener_session_endpoint (ll, &sep);
1562 session_lookup_del_session_endpoint (table_index, &sep);
1563 application_local_listen_session_free (server, ll);
1570 application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq)
1575 * segment manager initializes only the producer eventds, since vpp is
1576 * typically the producer. But for local sessions, we also pass to the
1577 * apps the mqs they listen on for events from peer apps, so they are also
1580 fd = svm_msg_q_get_producer_eventfd (sq);
1581 svm_msg_q_set_consumer_eventfd (sq, fd);
1582 fd = svm_msg_q_get_producer_eventfd (cq);
1583 svm_msg_q_set_consumer_eventfd (cq, fd);
1587 application_local_session_connect (app_worker_t * client_wrk,
1588 app_worker_t * server_wrk,
1589 local_session_t * ll, u32 opaque)
1591 u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10;
1592 segment_manager_properties_t *props, *cprops;
1593 u32 round_rx_fifo_sz, round_tx_fifo_sz;
1594 int rv, has_transport, seg_index;
1595 svm_fifo_segment_private_t *seg;
1596 application_t *server, *client;
1597 segment_manager_t *sm;
1598 local_session_t *ls;
1599 svm_msg_q_t *sq, *cq;
1601 ls = application_local_session_alloc (server_wrk);
1602 server = application_get (server_wrk->app_index);
1603 client = application_get (client_wrk->app_index);
1605 props = application_segment_manager_properties (server);
1606 cprops = application_segment_manager_properties (client);
1607 evt_q_elts = props->evt_q_size + cprops->evt_q_size;
1608 evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts);
1609 round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size);
1610 round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size);
1611 seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin;
1613 has_transport = session_has_transport ((stream_session_t *) ll);
1616 /* Local sessions don't have backing transport */
1617 ls->port = ll->port;
1618 sm = application_get_local_segment_manager (server_wrk);
1622 stream_session_t *sl = (stream_session_t *) ll;
1623 transport_connection_t *tc;
1624 tc = listen_session_get_transport (sl);
1625 ls->port = tc->lcl_port;
1626 sm = app_worker_get_listen_segment_manager (server_wrk, sl);
1629 seg_index = segment_manager_add_segment (sm, seg_size);
1632 clib_warning ("failed to add new cut-through segment");
1635 seg = segment_manager_get_segment_w_lock (sm, seg_index);
1636 sq = segment_manager_alloc_queue (seg, props);
1637 cq = segment_manager_alloc_queue (seg, cprops);
1639 if (props->use_mq_eventfd)
1640 application_local_session_fix_eventds (sq, cq);
1642 ls->server_evt_q = pointer_to_uword (sq);
1643 ls->client_evt_q = pointer_to_uword (cq);
1644 rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size,
1645 props->tx_fifo_size,
1646 &ls->server_rx_fifo,
1647 &ls->server_tx_fifo);
1650 clib_warning ("failed to add fifos in cut-through segment");
1651 segment_manager_segment_reader_unlock (sm);
1654 ls->server_rx_fifo->ct_session_index = ls->session_index;
1655 ls->server_tx_fifo->ct_session_index = ls->session_index;
1656 ls->svm_segment_index = seg_index;
1657 ls->listener_index = ll->session_index;
1658 ls->client_wrk_index = client_wrk->wrk_index;
1659 ls->client_opaque = opaque;
1660 ls->listener_session_type = ll->session_type;
1661 ls->session_state = SESSION_STATE_READY;
1663 if ((rv = server->cb_fns.add_segment_callback (server_wrk->api_client_index,
1666 clib_warning ("failed to notify server of new segment");
1667 segment_manager_segment_reader_unlock (sm);
1670 segment_manager_segment_reader_unlock (sm);
1671 if ((rv = server->cb_fns.session_accept_callback ((stream_session_t *) ls)))
1673 clib_warning ("failed to send accept cut-through notify to server");
1676 if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN)
1677 application_local_session_connect_notify (ls);
1683 segment_manager_del_segment (sm, seg);
1688 application_client_local_connect_key (local_session_t * ls)
1690 return ((uword) ls->app_wrk_index << 32 | (uword) ls->session_index);
1694 application_client_local_connect_key_parse (uword key, u32 * app_wrk_index,
1695 u32 * session_index)
1697 *app_wrk_index = key >> 32;
1698 *session_index = key & 0xFFFFFFFF;
1702 application_local_session_connect_notify (local_session_t * ls)
1704 svm_fifo_segment_private_t *seg;
1705 app_worker_t *client_wrk, *server_wrk;
1706 segment_manager_t *sm;
1707 application_t *client;
1708 int rv, is_fail = 0;
1711 client_wrk = app_worker_get (ls->client_wrk_index);
1712 server_wrk = app_worker_get (ls->app_wrk_index);
1713 client = application_get (client_wrk->app_index);
1715 sm = application_get_local_segment_manager_w_session (server_wrk, ls);
1716 seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index);
1717 if ((rv = client->cb_fns.add_segment_callback (client_wrk->api_client_index,
1720 clib_warning ("failed to notify client %u of new segment",
1721 ls->client_wrk_index);
1722 segment_manager_segment_reader_unlock (sm);
1723 application_local_session_disconnect (ls->client_wrk_index, ls);
1728 segment_manager_segment_reader_unlock (sm);
1731 client->cb_fns.session_connected_callback (client_wrk->wrk_index,
1733 (stream_session_t *) ls,
1736 client_key = application_client_local_connect_key (ls);
1737 hash_set (client_wrk->local_connects, client_key, client_key);
1742 application_local_session_cleanup (app_worker_t * client_wrk,
1743 app_worker_t * server_wrk,
1744 local_session_t * ls)
1746 svm_fifo_segment_private_t *seg;
1747 stream_session_t *listener;
1748 segment_manager_t *sm;
1752 /* Retrieve listener transport type as it is the one that decides where
1753 * the fifos are allocated */
1754 has_transport = application_local_session_listener_has_transport (ls);
1756 sm = application_get_local_segment_manager_w_session (server_wrk, ls);
1759 listener = listen_session_get (ls->listener_index);
1760 sm = app_worker_get_listen_segment_manager (server_wrk, listener);
1763 seg = segment_manager_get_segment (sm, ls->svm_segment_index);
1766 client_key = application_client_local_connect_key (ls);
1767 hash_unset (client_wrk->local_connects, client_key);
1772 application_t *server = application_get (server_wrk->app_index);
1773 server->cb_fns.del_segment_callback (server_wrk->api_client_index,
1777 application_t *client = application_get (client_wrk->app_index);
1778 client->cb_fns.del_segment_callback (client_wrk->api_client_index,
1781 segment_manager_del_segment (sm, seg);
1784 application_local_session_free (server_wrk, ls);
1790 application_local_session_disconnect (u32 app_index, local_session_t * ls)
1792 app_worker_t *client_wrk, *server_wrk;
1793 u8 is_server = 0, is_client = 0;
1796 app = application_get_if_valid (app_index);
1800 client_wrk = app_worker_get_if_valid (ls->client_wrk_index);
1801 server_wrk = app_worker_get (ls->app_wrk_index);
1803 if (server_wrk->app_index == app_index)
1805 else if (client_wrk && client_wrk->app_index == app_index)
1808 if (!is_server && !is_client)
1810 clib_warning ("app %u is neither client nor server for session 0x%lx",
1811 app_index, application_local_session_handle (ls));
1812 return VNET_API_ERROR_INVALID_VALUE;
1815 if (ls->session_state == SESSION_STATE_CLOSED)
1816 return application_local_session_cleanup (client_wrk, server_wrk, ls);
1818 if (app_index == ls->client_wrk_index)
1820 mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls);
1826 return application_local_session_cleanup (client_wrk, server_wrk,
1829 else if (ls->session_state < SESSION_STATE_READY)
1831 application_t *client = application_get (client_wrk->app_index);
1832 client->cb_fns.session_connected_callback (client_wrk->wrk_index,
1834 (stream_session_t *) ls,
1836 ls->session_state = SESSION_STATE_CLOSED;
1837 return application_local_session_cleanup (client_wrk, server_wrk,
1842 mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls);
1846 ls->session_state = SESSION_STATE_CLOSED;
1852 application_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index)
1854 app_worker_t *app_wrk;
1855 local_session_t *ls;
1856 app_wrk = app_worker_get (app_wrk_index);
1857 ls = application_get_local_session (app_wrk, ls_index);
1858 return application_local_session_disconnect (app_wrk_index, ls);
1862 app_worker_local_sessions_free (app_worker_t * app_wrk)
1864 u32 index, server_wrk_index, session_index;
1865 u64 handle, *handles = 0;
1866 app_worker_t *server_wrk;
1867 segment_manager_t *sm;
1868 local_session_t *ls;
1874 if (app_wrk->local_sessions)
1877 pool_foreach (ls, app_wrk->local_sessions, ({
1878 application_local_session_disconnect (app_wrk->wrk_index, ls);
1886 vec_reset_length (handles);
1888 hash_foreach (handle, index, app_wrk->local_connects, ({
1889 vec_add1 (handles, handle);
1893 for (i = 0; i < vec_len (handles); i++)
1895 application_client_local_connect_key_parse (handles[i],
1898 server_wrk = app_worker_get_if_valid (server_wrk_index);
1901 ls = application_get_local_session (server_wrk, session_index);
1902 application_local_session_disconnect (app_wrk->wrk_index, ls);
1906 sm = segment_manager_get (app_wrk->local_segment_manager);
1907 sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
1908 segment_manager_del (sm);
1912 vnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t * a)
1915 app = application_get (a->app_index);
1917 return clib_error_return_code (0, VNET_API_ERROR_APPLICATION_NOT_ATTACHED,
1918 0, "app %u doesn't exist", a->app_index);
1919 app->tls_cert = vec_dup (a->cert);
1924 vnet_app_add_tls_key (vnet_app_add_tls_key_args_t * a)
1927 app = application_get (a->app_index);
1929 return clib_error_return_code (0, VNET_API_ERROR_APPLICATION_NOT_ATTACHED,
1930 0, "app %u doesn't exist", a->app_index);
1931 app->tls_key = vec_dup (a->key);
1936 format_app_worker_listener (u8 * s, va_list * args)
1938 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
1939 u64 handle = va_arg (*args, u64);
1940 u32 sm_index = va_arg (*args, u32);
1941 int verbose = va_arg (*args, int);
1942 stream_session_t *listener;
1949 s = format (s, "%-40s%-25s%=10s%-15s%-15s%-10s", "Connection", "App",
1950 "Wrk", "API Client", "ListenerID", "SegManager");
1952 s = format (s, "%-40s%-25s%=10s", "Connection", "App", "Wrk");
1957 app_name = application_name_from_index (app_wrk->app_index);
1958 listener = listen_session_get_from_handle (handle);
1959 str = format (0, "%U", format_stream_session, listener, verbose);
1964 sprintf (buf, "%u(%u)", app_wrk->wrk_map_index, app_wrk->wrk_index);
1965 s = format (s, "%-40s%-25s%=10s%-15u%-15u%-10u", str, app_name,
1966 buf, app_wrk->api_client_index, handle, sm_index);
1969 s = format (s, "%-40s%-25s%=10u", str, app_name, app_wrk->wrk_map_index);
1975 application_format_listeners (application_t * app, int verbose)
1977 vlib_main_t *vm = vlib_get_main ();
1978 app_worker_map_t *wrk_map;
1979 app_worker_t *app_wrk;
1985 vlib_cli_output (vm, "%U", format_app_worker_listener, 0 /* header */ ,
1991 pool_foreach (wrk_map, app->worker_maps, ({
1992 app_wrk = app_worker_get (wrk_map->wrk_index);
1993 if (hash_elts (app_wrk->listeners_table) == 0)
1995 hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
1996 vlib_cli_output (vm, "%U", format_app_worker_listener, app_wrk,
1997 handle, sm_index, verbose);
2004 app_worker_format_connects (app_worker_t * app_wrk, int verbose)
2006 svm_fifo_segment_private_t *fifo_segment;
2007 vlib_main_t *vm = vlib_get_main ();
2008 segment_manager_t *sm;
2016 vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App",
2017 "API Client", "SegManager");
2019 vlib_cli_output (vm, "%-40s%-20s", "Connection", "App");
2023 if (app_wrk->connects_seg_manager == (u32) ~ 0)
2026 app_name = application_name_from_index (app_wrk->app_index);
2028 /* Across all fifo segments */
2029 sm = segment_manager_get (app_wrk->connects_seg_manager);
2032 segment_manager_foreach_segment_w_lock (fifo_segment, sm, ({
2036 fifo = svm_fifo_segment_get_fifo_list (fifo_segment);
2039 u32 session_index, thread_index;
2040 stream_session_t *session;
2042 session_index = fifo->master_session_index;
2043 thread_index = fifo->master_thread_index;
2045 session = session_get (session_index, thread_index);
2046 str = format (0, "%U", format_stream_session, session, verbose);
2049 s = format (s, "%-40s%-20s%-15u%-10u", str, app_name,
2050 app_wrk->api_client_index, app_wrk->connects_seg_manager);
2052 s = format (s, "%-40s%-20s", str, app_name);
2054 vlib_cli_output (vm, "%v", s);
2055 vec_reset_length (s);
2067 application_format_connects (application_t * app, int verbose)
2069 app_worker_map_t *wrk_map;
2070 app_worker_t *app_wrk;
2074 app_worker_format_connects (0, verbose);
2079 pool_foreach (wrk_map, app->worker_maps, ({
2080 app_wrk = app_worker_get (wrk_map->wrk_index);
2081 app_worker_format_connects (app_wrk, verbose);
2087 app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose)
2089 vlib_main_t *vm = vlib_get_main ();
2090 local_session_t *ls;
2091 transport_proto_t tp;
2097 vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp",
2102 if (!pool_elts (app_wrk->local_sessions)
2103 && !pool_elts (app_wrk->local_connects))
2107 pool_foreach (ls, app_wrk->local_sessions, ({
2108 tp = session_type_transport_proto(ls->listener_session_type);
2109 conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp,
2111 vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_wrk_index,
2112 ls->client_wrk_index);
2113 vec_reset_length (conn);
2121 application_format_local_sessions (application_t * app, int verbose)
2123 vlib_main_t *vm = vlib_get_main ();
2124 app_worker_map_t *wrk_map;
2125 app_worker_t *app_wrk;
2126 transport_proto_t tp;
2127 local_session_t *ls;
2132 app_worker_format_local_sessions (0, verbose);
2137 * Format local listeners
2141 pool_foreach (ls, app->local_listen_sessions, ({
2142 tp = session_type_transport_proto (ls->listener_session_type);
2143 conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp,
2145 vlib_cli_output (vm, "%-40v%-15u%-20s", conn, ls->app_wrk_index, "*");
2146 vec_reset_length (conn);
2151 * Format local accepted/connected sessions
2154 pool_foreach (wrk_map, app->worker_maps, ({
2155 app_wrk = app_worker_get (wrk_map->wrk_index);
2156 app_worker_format_local_sessions (app_wrk, verbose);
2162 app_worker_format_local_connects (app_worker_t * app, int verbose)
2164 vlib_main_t *vm = vlib_get_main ();
2165 u32 app_wrk_index, session_index;
2166 app_worker_t *server_wrk;
2167 local_session_t *ls;
2175 vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App",
2176 "Peer App", "SegManager");
2178 vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "App",
2183 if (!app->local_connects)
2187 hash_foreach (client_key, value, app->local_connects, ({
2188 application_client_local_connect_key_parse (client_key, &app_wrk_index,
2190 server_wrk = app_worker_get (app_wrk_index);
2191 ls = application_get_local_session (server_wrk, session_index);
2192 vlib_cli_output (vm, "%-40s%-15s%-20s", "TODO", ls->app_wrk_index,
2193 ls->client_wrk_index);
2199 application_format_local_connects (application_t * app, int verbose)
2201 app_worker_map_t *wrk_map;
2202 app_worker_t *app_wrk;
2206 app_worker_format_local_connects (0, verbose);
2211 pool_foreach (wrk_map, app->worker_maps, ({
2212 app_wrk = app_worker_get (wrk_map->wrk_index);
2213 app_worker_format_local_connects (app_wrk, verbose);
2219 format_application_worker (u8 * s, va_list * args)
2221 app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
2224 s = format (s, "%U wrk-index %u app-index %u map-index %u "
2225 "api-client-index %d\n", format_white_space, indent,
2226 app_wrk->wrk_index, app_wrk->app_index, app_wrk->wrk_map_index,
2227 app_wrk->api_client_index);
2232 format_application (u8 * s, va_list * args)
2234 application_t *app = va_arg (*args, application_t *);
2235 CLIB_UNUSED (int verbose) = va_arg (*args, int);
2236 segment_manager_properties_t *props;
2237 const u8 *app_ns_name, *app_name;
2238 app_worker_map_t *wrk_map;
2239 app_worker_t *app_wrk;
2244 s = format (s, "%-10s%-20s%-40s", "Index", "Name", "Namespace");
2248 app_name = app_get_name (app);
2249 app_ns_name = app_namespace_id_from_index (app->ns_index);
2250 props = application_segment_manager_properties (app);
2253 s = format (s, "%-10u%-20s%-40s", app->app_index, app_name,
2258 s = format (s, "app-name %s app-index %u ns-index %u seg-size %U\n",
2259 app_name, app->app_index, app->ns_index,
2260 format_memory_size, props->add_segment_size);
2261 s = format (s, "rx-fifo-size %U tx-fifo-size %U workers:\n",
2262 format_memory_size, props->rx_fifo_size,
2263 format_memory_size, props->tx_fifo_size);
2266 pool_foreach (wrk_map, app->worker_maps, ({
2267 app_wrk = app_worker_get (wrk_map->wrk_index);
2268 s = format (s, "%U", format_application_worker, app_wrk);
2276 application_format_all_listeners (vlib_main_t * vm, int do_local, int verbose)
2280 if (!pool_elts (app_main.app_pool))
2282 vlib_cli_output (vm, "No active server bindings");
2288 application_format_local_sessions (0, verbose);
2290 pool_foreach (app, app_main.app_pool, ({
2291 application_format_local_sessions (app, verbose);
2297 application_format_listeners (0, verbose);
2300 pool_foreach (app, app_main.app_pool, ({
2301 application_format_listeners (app, verbose);
2308 application_format_all_clients (vlib_main_t * vm, int do_local, int verbose)
2312 if (!pool_elts (app_main.app_pool))
2314 vlib_cli_output (vm, "No active apps");
2320 application_format_local_connects (0, verbose);
2323 pool_foreach (app, app_main.app_pool, ({
2324 application_format_local_connects (app, verbose);
2330 application_format_connects (0, verbose);
2333 pool_foreach (app, app_main.app_pool, ({
2334 application_format_connects (app, verbose);
2340 static clib_error_t *
2341 show_app_command_fn (vlib_main_t * vm, unformat_input_t * input,
2342 vlib_cli_command_t * cmd)
2344 int do_server = 0, do_client = 0, do_local = 0;
2349 session_cli_return_if_not_enabled ();
2351 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
2353 if (unformat (input, "server"))
2355 else if (unformat (input, "client"))
2357 else if (unformat (input, "local"))
2359 else if (unformat (input, "%u", &app_index))
2361 else if (unformat (input, "verbose"))
2364 return clib_error_return (0, "unknown input `%U'",
2365 format_unformat_error, input);
2370 application_format_all_listeners (vm, do_local, verbose);
2376 application_format_all_clients (vm, do_local, verbose);
2380 if (app_index != ~0)
2382 app = application_get (app_index);
2384 return clib_error_return (0, "No app with index %u", app_index);
2386 vlib_cli_output (vm, "%U", format_application, app, /* verbose */ 1);
2390 /* Print app related info */
2391 if (!do_server && !do_client)
2393 vlib_cli_output (vm, "%U", format_application, 0, 0);
2395 pool_foreach (app, app_main.app_pool, ({
2396 vlib_cli_output (vm, "%U", format_application, app, 0);
2405 VLIB_CLI_COMMAND (show_app_command, static) =
2408 .short_help = "show app [server|client] [verbose]",
2409 .function = show_app_command_fn,
2414 * fd.io coding-style-patch-verification: ON
2417 * eval: (c-set-style "gnu")