2 * Copyright (c) 2015-2019 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/vnet.h>
17 #include <vlibmemory/api.h>
18 #include <vnet/session/application.h>
19 #include <vnet/session/application_interface.h>
20 #include <vnet/session/application_local.h>
21 #include <vnet/session/session_rules_table.h>
22 #include <vnet/session/session_table.h>
23 #include <vnet/session/session.h>
25 #include <vnet/ip/ip_types_api.h>
27 #include <vnet/vnet_msg_enum.h>
29 #define vl_typedefs /* define message structures */
30 #include <vnet/vnet_all_api_h.h>
33 #define vl_endianfun /* define message structures */
34 #include <vnet/vnet_all_api_h.h>
37 /* instantiate all the print functions we know about */
38 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
40 #include <vnet/vnet_all_api_h.h>
43 #include <vlibapi/api_helper_macros.h>
45 #define foreach_session_api_msg \
46 _(APP_ATTACH, app_attach) \
47 _(APPLICATION_DETACH, application_detach) \
48 _(SESSION_ENABLE_DISABLE, session_enable_disable) \
49 _(APP_NAMESPACE_ADD_DEL, app_namespace_add_del) \
50 _(SESSION_RULE_ADD_DEL, session_rule_add_del) \
51 _(SESSION_RULES_DUMP, session_rules_dump) \
52 _(APP_ADD_CERT_KEY_PAIR, app_add_cert_key_pair) \
53 _(APP_DEL_CERT_KEY_PAIR, app_del_cert_key_pair) \
54 _(APP_WORKER_ADD_DEL, app_worker_add_del) \
56 static transport_proto_t
57 api_session_transport_proto_decode (const vl_api_transport_proto_t * api_tp)
61 case TRANSPORT_PROTO_API_TCP:
62 return TRANSPORT_PROTO_TCP;
63 case TRANSPORT_PROTO_API_UDP:
64 return TRANSPORT_PROTO_UDP;
65 case TRANSPORT_PROTO_API_TLS:
66 return TRANSPORT_PROTO_TLS;
67 case TRANSPORT_PROTO_API_QUIC:
68 return TRANSPORT_PROTO_QUIC;
70 return TRANSPORT_PROTO_NONE;
74 static vl_api_transport_proto_t
75 api_session_transport_proto_encode (const transport_proto_t tp)
79 case TRANSPORT_PROTO_TCP:
80 return TRANSPORT_PROTO_API_TCP;
81 case TRANSPORT_PROTO_UDP:
82 return TRANSPORT_PROTO_API_UDP;
83 case TRANSPORT_PROTO_TLS:
84 return TRANSPORT_PROTO_API_TLS;
85 case TRANSPORT_PROTO_QUIC:
86 return TRANSPORT_PROTO_API_QUIC;
88 return TRANSPORT_PROTO_API_NONE;
93 session_send_fds (vl_api_registration_t * reg, int fds[], int n_fds)
96 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
97 return SESSION_E_BAPI_NO_FD;
98 error = vl_api_send_fd_msg (reg, fds, n_fds);
101 clib_error_report (error);
102 return SESSION_E_BAPI_SEND_FD;
108 mq_try_lock_and_alloc_msg (svm_msg_q_t * app_mq, svm_msg_q_msg_t * msg)
114 rv = svm_msg_q_lock_and_alloc_msg_w_ring (app_mq,
115 SESSION_MQ_CTRL_EVT_RING,
122 clib_warning ("failed to alloc msg");
127 mq_send_session_accepted_cb (session_t * s)
129 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
130 svm_msg_q_msg_t _msg, *msg = &_msg;
132 fifo_segment_t *eq_seg;
134 session_accepted_msg_t *mp;
135 session_event_t *evt;
138 app = application_get (app_wrk->app_index);
139 app_mq = app_wrk->event_queue;
140 if (mq_try_lock_and_alloc_msg (app_mq, msg))
141 return SESSION_E_MQ_MSG_ALLOC;
143 evt = svm_msg_q_msg_data (app_mq, msg);
144 clib_memset (evt, 0, sizeof (*evt));
145 evt->event_type = SESSION_CTRL_EVT_ACCEPTED;
146 mp = (session_accepted_msg_t *) evt->data;
147 clib_memset (mp, 0, sizeof (*mp));
148 mp->context = app->app_index;
149 mp->server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
150 mp->server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
151 mp->segment_handle = session_segment_handle (s);
152 mp->flags = s->flags;
154 eq_seg = session_main_get_evt_q_segment ();
156 if (session_has_transport (s))
158 listener = listen_session_get_from_handle (s->listener_handle);
159 mp->listener_handle = app_listen_session_handle (listener);
160 if (application_is_proxy (app))
163 app_worker_first_listener (app_wrk, session_get_fib_proto (s),
164 session_get_transport_proto (s));
166 mp->listener_handle = listen_session_get_handle (listener);
168 mp->vpp_event_queue_address =
169 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
170 mp->mq_index = s->thread_index;
171 mp->handle = session_handle (s);
173 session_get_endpoint (s, &mp->rmt, 0 /* is_lcl */ );
179 ct = (ct_connection_t *) session_get_transport (s);
180 listener = listen_session_get_from_handle (s->listener_handle);
181 mp->listener_handle = app_listen_session_handle (listener);
182 mp->rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
183 mp->rmt.port = ct->c_rmt_port;
184 mp->handle = session_handle (s);
185 mp->vpp_event_queue_address =
186 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
187 mp->mq_index = s->thread_index;
189 svm_msg_q_add_and_unlock (app_mq, msg);
195 mq_send_session_close_evt (app_worker_t * app_wrk, session_handle_t sh,
196 session_evt_type_t evt_type)
198 svm_msg_q_msg_t _msg, *msg = &_msg;
199 session_disconnected_msg_t *mp;
201 session_event_t *evt;
203 app_mq = app_wrk->event_queue;
204 if (mq_try_lock_and_alloc_msg (app_mq, msg))
206 evt = svm_msg_q_msg_data (app_mq, msg);
207 clib_memset (evt, 0, sizeof (*evt));
208 evt->event_type = evt_type;
209 mp = (session_disconnected_msg_t *) evt->data;
211 mp->context = app_wrk->api_client_index;
212 svm_msg_q_add_and_unlock (app_mq, msg);
216 mq_notify_close_subscribers (u32 app_index, session_handle_t sh,
217 svm_fifo_t * f, session_evt_type_t evt_type)
219 app_worker_t *app_wrk;
223 app = application_get (app_index);
227 for (i = 0; i < f->shr->n_subscribers; i++)
229 if (!(app_wrk = application_get_worker (app, f->shr->subscribers[i])))
231 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
236 mq_send_session_disconnected_cb (session_t * s)
238 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
239 session_handle_t sh = session_handle (s);
241 mq_send_session_close_evt (app_wrk, session_handle (s),
242 SESSION_CTRL_EVT_DISCONNECTED);
244 if (svm_fifo_n_subscribers (s->rx_fifo))
245 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
246 SESSION_CTRL_EVT_DISCONNECTED);
250 mq_send_session_reset_cb (session_t * s)
252 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
253 session_handle_t sh = session_handle (s);
255 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_RESET);
257 if (svm_fifo_n_subscribers (s->rx_fifo))
258 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
259 SESSION_CTRL_EVT_RESET);
263 mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
264 session_t * s, session_error_t err)
266 svm_msg_q_msg_t _msg, *msg = &_msg;
267 session_connected_msg_t *mp;
269 transport_connection_t *tc;
270 fifo_segment_t *eq_seg;
271 app_worker_t *app_wrk;
272 session_event_t *evt;
274 app_wrk = app_worker_get (app_wrk_index);
275 app_mq = app_wrk->event_queue;
278 clib_warning ("app %u with api index: %u not attached",
279 app_wrk->app_index, app_wrk->api_client_index);
283 if (mq_try_lock_and_alloc_msg (app_mq, msg))
284 return SESSION_E_MQ_MSG_ALLOC;
286 evt = svm_msg_q_msg_data (app_mq, msg);
287 clib_memset (evt, 0, sizeof (*evt));
288 evt->event_type = SESSION_CTRL_EVT_CONNECTED;
289 mp = (session_connected_msg_t *) evt->data;
290 clib_memset (mp, 0, sizeof (*mp));
291 mp->context = api_context;
296 eq_seg = session_main_get_evt_q_segment ();
298 if (session_has_transport (s))
300 tc = session_get_transport (s);
303 clib_warning ("failed to retrieve transport!");
304 err = SESSION_E_REFUSED;
308 mp->handle = session_handle (s);
309 mp->vpp_event_queue_address =
310 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
312 session_get_endpoint (s, &mp->lcl, 1 /* is_lcl */ );
314 mp->server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
315 mp->server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
316 mp->segment_handle = session_segment_handle (s);
320 ct_connection_t *cct;
323 cct = (ct_connection_t *) session_get_transport (s);
324 mp->handle = session_handle (s);
325 mp->lcl.port = cct->c_lcl_port;
326 mp->lcl.is_ip4 = cct->c_is_ip4;
327 mp->vpp_event_queue_address =
328 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
329 mp->server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
330 mp->server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
331 mp->segment_handle = session_segment_handle (s);
332 ss = ct_session_get_peer (s);
333 mp->ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
334 mp->ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
335 mp->ct_segment_handle = session_segment_handle (ss);
341 svm_msg_q_add_and_unlock (app_mq, msg);
346 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
347 session_handle_t handle, int rv)
349 svm_msg_q_msg_t _msg, *msg = &_msg;
351 transport_endpoint_t tep;
352 session_bound_msg_t *mp;
353 fifo_segment_t *eq_seg;
354 app_worker_t *app_wrk;
355 session_event_t *evt;
358 app_wrk = app_worker_get (app_wrk_index);
359 app_mq = app_wrk->event_queue;
362 clib_warning ("app %u with api index: %u not attached",
363 app_wrk->app_index, app_wrk->api_client_index);
367 if (mq_try_lock_and_alloc_msg (app_mq, msg))
368 return SESSION_E_MQ_MSG_ALLOC;
370 evt = svm_msg_q_msg_data (app_mq, msg);
371 clib_memset (evt, 0, sizeof (*evt));
372 evt->event_type = SESSION_CTRL_EVT_BOUND;
373 mp = (session_bound_msg_t *) evt->data;
374 mp->context = api_context;
380 al = app_listener_get_w_handle (handle);
381 if (al->session_index != SESSION_INVALID_INDEX)
382 ls = app_listener_get_session (al);
384 ls = app_listener_get_local_session (al);
386 session_get_endpoint (ls, &tep, 1 /* is_lcl */ );
387 mp->lcl_port = tep.port;
388 mp->lcl_is_ip4 = tep.is_ip4;
389 clib_memcpy_fast (mp->lcl_ip, &tep.ip, sizeof (tep.ip));
391 eq_seg = session_main_get_evt_q_segment ();
392 mp->vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
394 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
396 mp->rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
397 mp->tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
398 mp->segment_handle = session_segment_handle (ls);
403 svm_msg_q_add_and_unlock (app_mq, msg);
408 mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
411 svm_msg_q_msg_t _msg, *msg = &_msg;
412 session_unlisten_reply_msg_t *ump;
414 session_event_t *evt;
416 app_mq = app_wrk->event_queue;
417 if (mq_try_lock_and_alloc_msg (app_mq, msg))
420 evt = svm_msg_q_msg_data (app_mq, msg);
421 clib_memset (evt, 0, sizeof (*evt));
422 evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY;
423 ump = (session_unlisten_reply_msg_t *) evt->data;
424 ump->context = context;
427 svm_msg_q_add_and_unlock (app_mq, msg);
431 mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
433 svm_msg_q_msg_t _msg, *msg = &_msg;
434 session_migrated_msg_t *mp;
435 fifo_segment_t *eq_seg;
436 app_worker_t *app_wrk;
437 session_event_t *evt;
441 thread_index = session_thread_from_handle (new_sh);
442 eq_seg = session_main_get_evt_q_segment ();
444 app_wrk = app_worker_get (s->app_wrk_index);
445 app_mq = app_wrk->event_queue;
446 if (mq_try_lock_and_alloc_msg (app_mq, msg))
449 evt = svm_msg_q_msg_data (app_mq, msg);
450 clib_memset (evt, 0, sizeof (*evt));
451 evt->event_type = SESSION_CTRL_EVT_MIGRATED;
452 mp = (session_migrated_msg_t *) evt->data;
453 mp->handle = session_handle (s);
454 mp->new_handle = new_sh;
455 mp->vpp_thread_index = thread_index;
456 mp->vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
457 mp->segment_handle = session_segment_handle (s);
458 svm_msg_q_add_and_unlock (app_mq, msg);
462 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
464 int fds[SESSION_N_FD_TYPE], n_fds = 0;
465 svm_msg_q_msg_t _msg, *msg = &_msg;
466 session_app_add_segment_msg_t *mp;
467 vl_api_registration_t *reg;
468 app_worker_t *app_wrk;
469 session_event_t *evt;
475 app_wrk = app_worker_get (app_wrk_index);
477 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
480 clib_warning ("no api registration for client: %u",
481 app_wrk->api_client_index);
485 fs = segment_manager_get_segment_w_handle (segment_handle);
487 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
489 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
491 clib_warning ("can't send memfd fd");
495 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
500 app_mq = app_wrk->event_queue;
501 if (mq_try_lock_and_alloc_msg (app_mq, msg))
505 session_send_fds (reg, fds, n_fds);
507 evt = svm_msg_q_msg_data (app_mq, msg);
508 clib_memset (evt, 0, sizeof (*evt));
509 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
510 mp = (session_app_add_segment_msg_t *) evt->data;
511 clib_memset (mp, 0, sizeof (*mp));
512 mp->segment_size = sp->ssvm_size;
513 mp->fd_flags = fd_flags;
514 mp->segment_handle = segment_handle;
515 strncpy ((char *) mp->segment_name, (char *) sp->name,
516 sizeof (mp->segment_name) - 1);
518 svm_msg_q_add_and_unlock (app_mq, msg);
524 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
526 svm_msg_q_msg_t _msg, *msg = &_msg;
527 session_app_del_segment_msg_t *mp;
528 vl_api_registration_t *reg;
529 app_worker_t *app_wrk;
530 session_event_t *evt;
533 app_wrk = app_worker_get (app_wrk_index);
534 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
537 clib_warning ("no registration: %u", app_wrk->api_client_index);
541 app_mq = app_wrk->event_queue;
542 if (mq_try_lock_and_alloc_msg (app_mq, msg))
545 evt = svm_msg_q_msg_data (app_mq, msg);
546 clib_memset (evt, 0, sizeof (*evt));
547 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
548 mp = (session_app_del_segment_msg_t *) evt->data;
549 clib_memset (mp, 0, sizeof (*mp));
550 mp->segment_handle = segment_handle;
551 svm_msg_q_add_and_unlock (app_mq, msg);
557 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
559 svm_msg_q_msg_t _msg, *msg = &_msg;
560 session_cleanup_msg_t *mp;
562 session_event_t *evt;
563 app_worker_t *app_wrk;
565 /* Propagate transport cleanup notifications only if app didn't close */
566 if (ntf == SESSION_CLEANUP_TRANSPORT
567 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
570 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
574 app_mq = app_wrk->event_queue;
575 if (mq_try_lock_and_alloc_msg (app_mq, msg))
578 evt = svm_msg_q_msg_data (app_mq, msg);
579 clib_memset (evt, 0, sizeof (*evt));
580 evt->event_type = SESSION_CTRL_EVT_CLEANUP;
581 mp = (session_cleanup_msg_t *) evt->data;
582 mp->handle = session_handle (s);
584 svm_msg_q_add_and_unlock (app_mq, msg);
587 static session_cb_vft_t session_mq_cb_vft = {
588 .session_accept_callback = mq_send_session_accepted_cb,
589 .session_disconnect_callback = mq_send_session_disconnected_cb,
590 .session_connected_callback = mq_send_session_connected_cb,
591 .session_reset_callback = mq_send_session_reset_cb,
592 .session_migrate_callback = mq_send_session_migrate_cb,
593 .session_cleanup_callback = mq_send_session_cleanup_cb,
594 .add_segment_callback = mq_send_add_segment_cb,
595 .del_segment_callback = mq_send_del_segment_cb,
599 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
601 vl_api_session_enable_disable_reply_t *rmp;
602 vlib_main_t *vm = vlib_get_main ();
605 vnet_session_enable_disable (vm, mp->is_enable);
606 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
610 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
612 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
613 vl_api_app_attach_reply_t *rmp;
614 fifo_segment_t *segp, *evt_q_segment = 0;
615 vnet_app_attach_args_t _a, *a = &_a;
616 u8 fd_flags = 0, ctrl_thread;
617 vl_api_registration_t *reg;
619 reg = vl_api_client_index_to_registration (mp->client_index);
623 if (!session_main_is_enabled () || appns_sapi_enabled ())
625 rv = VNET_API_ERROR_FEATURE_DISABLED;
628 /* Only support binary api with socket transport */
629 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
631 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
635 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
636 sizeof (mp->options),
637 "Out of options, fix api message definition");
639 clib_memset (a, 0, sizeof (*a));
640 a->api_client_index = mp->client_index;
641 a->options = mp->options;
642 a->session_cb_vft = &session_mq_cb_vft;
643 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
645 if ((rv = vnet_application_attach (a)))
647 clib_warning ("attach returned: %d", rv);
648 vec_free (a->namespace_id);
651 vec_free (a->namespace_id);
653 /* Send event queues segment */
654 if ((evt_q_segment = session_main_get_evt_q_segment ()))
656 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
657 fds[n_fds] = evt_q_segment->ssvm.fd;
660 /* Send fifo segment fd if needed */
661 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
663 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
664 fds[n_fds] = a->segment->fd;
667 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
669 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
670 fds[n_fds] = svm_msg_q_get_producer_eventfd (a->app_evt_q);
676 REPLY_MACRO2 (VL_API_APP_ATTACH_REPLY, ({
679 ctrl_thread = vlib_num_workers () ? 1 : 0;
680 segp = (fifo_segment_t *) a->segment;
681 rmp->app_index = clib_host_to_net_u32 (a->app_index);
682 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
684 fifo_segment_msg_q_offset (evt_q_segment, ctrl_thread);
685 rmp->vpp_ctrl_mq_thread = ctrl_thread;
687 rmp->fd_flags = fd_flags;
688 if (vec_len (segp->ssvm.name))
690 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
692 rmp->segment_size = segp->ssvm.ssvm_size;
693 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
699 session_send_fds (reg, fds, n_fds);
703 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
705 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
706 vl_api_app_worker_add_del_reply_t *rmp;
707 vl_api_registration_t *reg;
711 if (!session_main_is_enabled () || appns_sapi_enabled ())
713 rv = VNET_API_ERROR_FEATURE_DISABLED;
717 reg = vl_api_client_index_to_registration (mp->client_index);
721 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
724 rv = VNET_API_ERROR_INVALID_VALUE;
728 vnet_app_worker_add_del_args_t args = {
729 .app_index = app->app_index,
730 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
731 .api_client_index = mp->client_index,
734 rv = vnet_app_worker_add_del (&args);
737 clib_warning ("app worker add/del returned: %d", rv);
744 /* Send fifo segment fd if needed */
745 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
747 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
748 fds[n_fds] = args.segment->fd;
751 if (application_segment_manager_properties (app)->use_mq_eventfd)
753 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
754 fds[n_fds] = svm_msg_q_get_producer_eventfd (args.evt_q);
760 REPLY_MACRO2 (VL_API_APP_WORKER_ADD_DEL_REPLY, ({
761 rmp->is_add = mp->is_add;
762 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
763 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
764 if (!rv && mp->is_add)
766 rmp->app_event_queue_address =
767 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
769 rmp->fd_flags = fd_flags;
770 if (vec_len (args.segment->name))
772 vl_api_vec_to_api_string (args.segment->name, &rmp->segment_name);
779 session_send_fds (reg, fds, n_fds);
783 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
785 vl_api_application_detach_reply_t *rmp;
786 int rv = VNET_API_ERROR_INVALID_VALUE_2;
787 vnet_app_detach_args_t _a, *a = &_a;
790 if (!session_main_is_enabled () || appns_sapi_enabled ())
792 rv = VNET_API_ERROR_FEATURE_DISABLED;
796 app = application_lookup (mp->client_index);
799 a->app_index = app->app_index;
800 a->api_client_index = mp->client_index;
801 rv = vnet_application_detach (a);
805 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
809 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
811 vl_api_app_namespace_add_del_reply_t *rmp;
815 if (session_main_is_enabled () == 0)
817 rv = VNET_API_ERROR_FEATURE_DISABLED;
821 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
823 vnet_app_namespace_add_del_args_t args = {
825 .secret = clib_net_to_host_u64 (mp->secret),
826 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
827 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
828 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
831 rv = vnet_app_namespace_add_del (&args);
834 appns_index = app_namespace_index_from_id (ns_id);
835 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
837 clib_warning ("app ns lookup failed");
838 rv = VNET_API_ERROR_UNSPECIFIED;
845 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
847 rmp->appns_index = clib_host_to_net_u32 (appns_index);
853 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
855 vl_api_session_rule_add_del_reply_t *rmp;
856 session_rule_add_del_args_t args;
857 session_rule_table_add_del_args_t *table_args = &args.table_args;
860 clib_memset (&args, 0, sizeof (args));
862 ip_prefix_decode (&mp->lcl, &table_args->lcl);
863 ip_prefix_decode (&mp->rmt, &table_args->rmt);
865 table_args->lcl_port = mp->lcl_port;
866 table_args->rmt_port = mp->rmt_port;
867 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
868 table_args->is_add = mp->is_add;
869 mp->tag[sizeof (mp->tag) - 1] = 0;
870 table_args->tag = format (0, "%s", mp->tag);
871 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
872 args.scope = mp->scope;
873 args.transport_proto =
874 api_session_transport_proto_decode (&mp->transport_proto) ==
875 TRANSPORT_PROTO_UDP ? 1 : 0;
877 rv = vnet_session_rule_add_del (&args);
879 clib_warning ("rule add del returned: %d", rv);
880 vec_free (table_args->tag);
881 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
885 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
886 u8 transport_proto, u32 appns_index, u8 * tag,
887 vl_api_registration_t * reg, u32 context)
889 vl_api_session_rules_details_t *rmp = 0;
890 session_mask_or_match_4_t *match =
891 (session_mask_or_match_4_t *) & rule->match;
892 session_mask_or_match_4_t *mask =
893 (session_mask_or_match_4_t *) & rule->mask;
894 fib_prefix_t lcl, rmt;
896 rmp = vl_msg_api_alloc (sizeof (*rmp));
897 clib_memset (rmp, 0, sizeof (*rmp));
898 rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
899 rmp->context = context;
901 clib_memset (&lcl, 0, sizeof (lcl));
902 clib_memset (&rmt, 0, sizeof (rmt));
903 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
904 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
905 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
906 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
908 ip_prefix_encode (&lcl, &rmp->lcl);
909 ip_prefix_encode (&rmt, &rmp->rmt);
910 rmp->lcl_port = match->lcl_port;
911 rmp->rmt_port = match->rmt_port;
912 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
914 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
915 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
916 rmp->appns_index = clib_host_to_net_u32 (appns_index);
919 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
920 rmp->tag[vec_len (tag)] = 0;
923 vl_api_send_msg (reg, (u8 *) rmp);
927 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
928 u8 transport_proto, u32 appns_index, u8 * tag,
929 vl_api_registration_t * reg, u32 context)
931 vl_api_session_rules_details_t *rmp = 0;
932 session_mask_or_match_6_t *match =
933 (session_mask_or_match_6_t *) & rule->match;
934 session_mask_or_match_6_t *mask =
935 (session_mask_or_match_6_t *) & rule->mask;
936 fib_prefix_t lcl, rmt;
938 rmp = vl_msg_api_alloc (sizeof (*rmp));
939 clib_memset (rmp, 0, sizeof (*rmp));
940 rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
941 rmp->context = context;
943 clib_memset (&lcl, 0, sizeof (lcl));
944 clib_memset (&rmt, 0, sizeof (rmt));
945 ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
946 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
947 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
948 rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
950 ip_prefix_encode (&lcl, &rmp->lcl);
951 ip_prefix_encode (&rmt, &rmp->rmt);
952 rmp->lcl_port = match->lcl_port;
953 rmp->rmt_port = match->rmt_port;
954 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
956 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
957 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
958 rmp->appns_index = clib_host_to_net_u32 (appns_index);
961 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
962 rmp->tag[vec_len (tag)] = 0;
965 vl_api_send_msg (reg, (u8 *) rmp);
969 send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
970 u8 tp, u8 is_local, u32 appns_index,
971 vl_api_registration_t * reg, u32 context)
973 mma_rule_16_t *rule16;
974 mma_rule_40_t *rule40;
975 mma_rules_table_16_t *srt16;
976 mma_rules_table_40_t *srt40;
979 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
983 srt16 = &srt->session_rules_tables_16;
984 pool_foreach (rule16, srt16->rules) {
985 ri = mma_rules_table_rule_index_16 (srt16, rule16);
986 tag = session_rules_table_rule_tag (srt, ri, 1);
987 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
992 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
996 srt40 = &srt->session_rules_tables_40;
997 pool_foreach (rule40, srt40->rules) {
998 ri = mma_rules_table_rule_index_40 (srt40, rule40);
999 tag = session_rules_table_rule_tag (srt, ri, 1);
1000 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1008 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1010 vl_api_registration_t *reg;
1011 session_table_t *st;
1014 reg = vl_api_client_index_to_registration (mp->client_index);
1019 session_table_foreach (st, ({
1020 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1022 send_session_rules_table_details (&st->session_rules[tp],
1023 st->active_fib_proto, tp,
1024 st->is_local, st->appns_index, reg,
1032 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1034 vl_api_app_add_cert_key_pair_reply_t *rmp;
1035 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1036 u32 certkey_len, key_len, cert_len;
1038 if (session_main_is_enabled () == 0)
1040 rv = VNET_API_ERROR_FEATURE_DISABLED;
1044 cert_len = clib_net_to_host_u16 (mp->cert_len);
1045 if (cert_len > 10000)
1047 rv = VNET_API_ERROR_INVALID_VALUE;
1051 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1052 if (certkey_len < cert_len)
1054 rv = VNET_API_ERROR_INVALID_VALUE;
1058 key_len = certkey_len - cert_len;
1059 if (key_len > 10000)
1061 rv = VNET_API_ERROR_INVALID_VALUE;
1065 clib_memset (a, 0, sizeof (*a));
1066 a->cert = mp->certkey;
1067 a->key = mp->certkey + cert_len;
1068 a->cert_len = cert_len;
1069 a->key_len = key_len;
1070 rv = vnet_app_add_cert_key_pair (a);
1074 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1076 rmp->index = clib_host_to_net_u32 (a->index);
1082 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1084 vl_api_app_del_cert_key_pair_reply_t *rmp;
1087 if (session_main_is_enabled () == 0)
1089 rv = VNET_API_ERROR_FEATURE_DISABLED;
1092 ckpair_index = clib_net_to_host_u32 (mp->index);
1093 rv = vnet_app_del_cert_key_pair (ckpair_index);
1096 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1099 static clib_error_t *
1100 application_reaper_cb (u32 client_index)
1102 application_t *app = application_lookup (client_index);
1103 vnet_app_detach_args_t _a, *a = &_a;
1106 a->app_index = app->app_index;
1107 a->api_client_index = client_index;
1108 vnet_application_detach (a);
1113 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1115 #define vl_msg_name_crc_list
1116 #include <vnet/vnet_all_api_h.h>
1117 #undef vl_msg_name_crc_list
1120 setup_message_id_table (api_main_t * am)
1122 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1123 foreach_vl_msg_name_crc_session;
1128 * session_api_hookup
1129 * Add uri's API message handlers to the table.
1130 * vlib has already mapped shared memory and
1131 * added the client registration handlers.
1132 * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
1134 static clib_error_t *
1135 session_api_hookup (vlib_main_t * vm)
1137 api_main_t *am = vlibapi_get_main ();
1140 vl_msg_api_set_handlers(VL_API_##N, #n, \
1141 vl_api_##n##_t_handler, \
1143 vl_api_##n##_t_endian, \
1144 vl_api_##n##_t_print, \
1145 sizeof(vl_api_##n##_t), 1);
1146 foreach_session_api_msg;
1150 * Set up the (msg_name, crc, message-id) table
1152 setup_message_id_table (am);
1157 VLIB_API_INIT_FUNCTION (session_api_hookup);
1160 * Socket api functions
1164 sapi_send_fds (app_worker_t * app_wrk, int *fds, int n_fds)
1166 app_sapi_msg_t smsg = { 0 };
1167 app_namespace_t *app_ns;
1172 app = application_get (app_wrk->app_index);
1173 app_ns = app_namespace_get (app->ns_index);
1174 cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
1175 cs = appns_sapi_get_socket (app_ns, cs_index);
1176 if (PREDICT_FALSE (!cs))
1179 /* There's no payload for the message only the type */
1180 smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
1181 clib_socket_sendmsg (cs, &smsg, sizeof (smsg), fds, n_fds);
1185 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1187 int fds[SESSION_N_FD_TYPE], n_fds = 0;
1188 svm_msg_q_msg_t _msg, *msg = &_msg;
1189 session_app_add_segment_msg_t *mp;
1190 app_worker_t *app_wrk;
1191 session_event_t *evt;
1192 svm_msg_q_t *app_mq;
1197 app_wrk = app_worker_get (app_wrk_index);
1199 fs = segment_manager_get_segment_w_handle (segment_handle);
1201 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1203 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1204 fds[n_fds] = sp->fd;
1207 app_mq = app_wrk->event_queue;
1208 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1212 * Send the fd over api socket
1214 sapi_send_fds (app_wrk, fds, n_fds);
1217 * Send the actual message over mq
1219 evt = svm_msg_q_msg_data (app_mq, msg);
1220 clib_memset (evt, 0, sizeof (*evt));
1221 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
1222 mp = (session_app_add_segment_msg_t *) evt->data;
1223 clib_memset (mp, 0, sizeof (*mp));
1224 mp->segment_size = sp->ssvm_size;
1225 mp->fd_flags = fd_flags;
1226 mp->segment_handle = segment_handle;
1227 strncpy ((char *) mp->segment_name, (char *) sp->name,
1228 sizeof (mp->segment_name) - 1);
1230 svm_msg_q_add_and_unlock (app_mq, msg);
1236 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1238 svm_msg_q_msg_t _msg, *msg = &_msg;
1239 session_app_del_segment_msg_t *mp;
1240 app_worker_t *app_wrk;
1241 session_event_t *evt;
1242 svm_msg_q_t *app_mq;
1244 app_wrk = app_worker_get (app_wrk_index);
1246 app_mq = app_wrk->event_queue;
1247 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1250 evt = svm_msg_q_msg_data (app_mq, msg);
1251 clib_memset (evt, 0, sizeof (*evt));
1252 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
1253 mp = (session_app_del_segment_msg_t *) evt->data;
1254 clib_memset (mp, 0, sizeof (*mp));
1255 mp->segment_handle = segment_handle;
1256 svm_msg_q_add_and_unlock (app_mq, msg);
1261 static session_cb_vft_t session_mq_sapi_cb_vft = {
1262 .session_accept_callback = mq_send_session_accepted_cb,
1263 .session_disconnect_callback = mq_send_session_disconnected_cb,
1264 .session_connected_callback = mq_send_session_connected_cb,
1265 .session_reset_callback = mq_send_session_reset_cb,
1266 .session_migrate_callback = mq_send_session_migrate_cb,
1267 .session_cleanup_callback = mq_send_session_cleanup_cb,
1268 .add_segment_callback = mq_send_add_segment_sapi_cb,
1269 .del_segment_callback = mq_send_del_segment_sapi_cb,
1273 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1274 app_sapi_attach_msg_t * mp)
1276 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1277 vnet_app_attach_args_t _a, *a = &_a;
1278 app_sapi_attach_reply_msg_t *rmp;
1279 fifo_segment_t *evt_q_segment;
1280 u8 fd_flags = 0, ctrl_thread;
1281 app_ns_api_handle_t *handle;
1282 app_sapi_msg_t msg = { 0 };
1283 app_worker_t *app_wrk;
1286 /* Make sure name is null terminated */
1289 clib_memset (a, 0, sizeof (*a));
1290 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1291 a->name = format (0, "%s", (char *) mp->name);
1292 a->options = mp->options;
1293 a->session_cb_vft = &session_mq_sapi_cb_vft;
1294 a->use_sock_api = 1;
1295 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1297 if ((rv = vnet_application_attach (a)))
1299 clib_warning ("attach returned: %d", rv);
1303 /* Send event queues segment */
1304 if ((evt_q_segment = session_main_get_evt_q_segment ()))
1306 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1307 fds[n_fds] = evt_q_segment->ssvm.fd;
1310 /* Send fifo segment fd if needed */
1311 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1313 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1314 fds[n_fds] = a->segment->fd;
1317 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1319 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1320 fds[n_fds] = svm_msg_q_get_producer_eventfd (a->app_evt_q);
1326 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1327 rmp = &msg.attach_reply;
1331 ctrl_thread = vlib_num_workers ()? 1 : 0;
1332 rmp->app_index = a->app_index;
1334 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1336 fifo_segment_msg_q_offset (evt_q_segment, ctrl_thread);
1337 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1339 rmp->fd_flags = fd_flags;
1340 /* No segment name and size since we only support memfds
1341 * in this configuration */
1342 rmp->segment_handle = a->segment_handle;
1343 rmp->api_client_handle = a->api_client_index;
1345 /* Update app index for socket */
1346 handle = (app_ns_api_handle_t *) & cs->private_data;
1347 app = application_get (a->app_index);
1348 app_wrk = application_get_worker (app, 0);
1349 handle->aah_app_wrk_index = app_wrk->wrk_index;
1352 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1357 sapi_socket_close_w_handle (u32 api_handle)
1359 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1360 u16 sock_index = api_handle & 0xffff;
1361 app_ns_api_handle_t *handle;
1365 cs = appns_sapi_get_socket (app_ns, sock_index);
1369 handle = (app_ns_api_handle_t *) & cs->private_data;
1370 cf = clib_file_get (&file_main, handle->aah_file_index);
1371 clib_file_del (&file_main, cf);
1373 clib_socket_close (cs);
1374 appns_sapi_free_socket (app_ns, cs);
1378 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1380 app_sapi_worker_add_del_msg_t * mp)
1382 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1383 app_sapi_worker_add_del_reply_msg_t *rmp;
1384 app_ns_api_handle_t *handle;
1385 app_sapi_msg_t msg = { 0 };
1386 app_worker_t *app_wrk;
1387 u32 sapi_handle = -1;
1391 app = application_get_if_valid (mp->app_index);
1394 rv = VNET_API_ERROR_INVALID_VALUE;
1398 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1400 vnet_app_worker_add_del_args_t args = {
1401 .app_index = app->app_index,
1402 .wrk_map_index = mp->wrk_index,
1403 .api_client_index = sapi_handle,
1404 .is_add = mp->is_add
1406 rv = vnet_app_worker_add_del (&args);
1409 clib_warning ("app worker add/del returned: %d", rv);
1415 sapi_socket_close_w_handle (sapi_handle);
1419 /* Send fifo segment fd if needed */
1420 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1422 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1423 fds[n_fds] = args.segment->fd;
1426 if (application_segment_manager_properties (app)->use_mq_eventfd)
1428 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1429 fds[n_fds] = svm_msg_q_get_producer_eventfd (args.evt_q);
1435 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1436 rmp = &msg.worker_add_del_reply;
1438 rmp->is_add = mp->is_add;
1439 rmp->api_client_handle = sapi_handle;
1440 rmp->wrk_index = args.wrk_map_index;
1441 rmp->segment_handle = args.segment_handle;
1442 if (!rv && mp->is_add)
1444 /* No segment name and size. This supports only memfds */
1445 rmp->app_event_queue_address =
1446 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1448 rmp->fd_flags = fd_flags;
1450 /* Update app index for socket */
1451 handle = (app_ns_api_handle_t *) & cs->private_data;
1452 app_wrk = application_get_worker (app, args.wrk_map_index);
1453 handle->aah_app_wrk_index = app_wrk->wrk_index;
1456 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1460 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1462 app_ns_api_handle_t *handle;
1463 app_worker_t *app_wrk;
1464 u32 api_client_handle;
1466 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1467 sapi_socket_close_w_handle (api_client_handle);
1469 /* Cleanup everything because app worker closed socket or crashed */
1470 handle = (app_ns_api_handle_t *) & cs->private_data;
1471 app_wrk = app_worker_get (handle->aah_app_wrk_index);
1473 vnet_app_worker_add_del_args_t args = {
1474 .app_index = app_wrk->app_index,
1475 .wrk_map_index = app_wrk->wrk_map_index,
1476 .api_client_index = api_client_handle,
1479 /* Send rpc to main thread for worker barrier */
1480 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1484 static clib_error_t *
1485 sapi_sock_read_ready (clib_file_t * cf)
1487 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1488 vlib_main_t *vm = vlib_get_main ();
1489 app_sapi_msg_t msg = { 0 };
1490 app_namespace_t *app_ns;
1491 clib_error_t *err = 0;
1494 app_ns = app_namespace_get (handle->aah_app_ns_index);
1495 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1499 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1502 clib_error_free (err);
1503 sapi_socket_detach (app_ns, cs);
1507 handle = (app_ns_api_handle_t *) & cs->private_data;
1509 vlib_worker_thread_barrier_sync (vm);
1513 case APP_SAPI_MSG_TYPE_ATTACH:
1514 session_api_attach_handler (app_ns, cs, &msg.attach);
1516 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1517 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1520 clib_warning ("app wrk %u unknown message type: %u",
1521 handle->aah_app_wrk_index, msg.type);
1525 vlib_worker_thread_barrier_release (vm);
1531 static clib_error_t *
1532 sapi_sock_write_ready (clib_file_t * cf)
1534 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1535 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1539 static clib_error_t *
1540 sapi_sock_error (clib_file_t * cf)
1542 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1543 app_namespace_t *app_ns;
1546 app_ns = app_namespace_get (handle->aah_app_ns_index);
1547 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1551 sapi_socket_detach (app_ns, cs);
1555 static clib_error_t *
1556 sapi_sock_accept_ready (clib_file_t * scf)
1558 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1559 app_namespace_t *app_ns;
1560 clib_file_t cf = { 0 };
1561 clib_error_t *err = 0;
1562 clib_socket_t *ccs, *scs;
1564 /* Listener files point to namespace */
1565 app_ns = app_namespace_get (handle.aah_app_ns_index);
1568 * Initialize client socket
1570 ccs = appns_sapi_alloc_socket (app_ns);
1572 /* Grab server socket after client is initialized */
1573 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1577 err = clib_socket_accept (scs, ccs);
1580 clib_error_report (err);
1584 cf.read_function = sapi_sock_read_ready;
1585 cf.write_function = sapi_sock_write_ready;
1586 cf.error_function = sapi_sock_error;
1587 cf.file_descriptor = ccs->fd;
1588 /* File points to app namespace and socket */
1589 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1590 cf.private_data = handle.as_u64;
1591 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1593 /* Poll until we get an attach message. Socket points to file and
1594 * application that owns the socket */
1595 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1596 handle.aah_file_index = clib_file_add (&file_main, &cf);
1597 ccs->private_data = handle.as_u64;
1602 appns_sapi_free_socket (app_ns, ccs);
1607 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1609 char *subdir = "/app_ns_sockets/";
1610 app_ns_api_handle_t *handle;
1611 clib_file_t cf = { 0 };
1612 struct stat file_stat;
1618 vec_add (dir, vlib_unix_get_runtime_dir (),
1619 strlen (vlib_unix_get_runtime_dir ()));
1620 vec_add (dir, (u8 *) subdir, strlen (subdir));
1622 err = vlib_unix_recursive_mkdir ((char *) dir);
1625 clib_error_report (err);
1630 app_ns->sock_name = format (0, "%v%v%c", dir, app_ns->ns_id, 0);
1633 * Create and initialize socket to listen on
1635 cs = appns_sapi_alloc_socket (app_ns);
1636 cs->config = (char *) app_ns->sock_name;
1637 cs->flags = CLIB_SOCKET_F_IS_SERVER |
1638 CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1639 CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1641 if ((err = clib_socket_init (cs)))
1643 clib_error_report (err);
1648 if (stat ((char *) app_ns->sock_name, &file_stat) == -1)
1657 cf.read_function = sapi_sock_accept_ready;
1658 cf.file_descriptor = cs->fd;
1659 /* File points to namespace */
1660 handle = (app_ns_api_handle_t *) & cf.private_data;
1661 handle->aah_app_ns_index = app_namespace_index (app_ns);
1662 handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1663 cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1665 /* Socket points to clib file index */
1666 handle = (app_ns_api_handle_t *) & cs->private_data;
1667 handle->aah_file_index = clib_file_add (&file_main, &cf);
1668 handle->aah_app_wrk_index = APP_INVALID_INDEX;
1676 * fd.io coding-style-patch-verification: ON
1679 * eval: (c-set-style "gnu")