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>
24 #include <vnet/ip/ip_types_api.h>
26 #include <vnet/format_fns.h>
27 #include <vnet/session/session.api_enum.h>
28 #include <vnet/session/session.api_types.h>
30 #define REPLY_MSG_ID_BASE session_main.msg_id_base
31 #include <vlibapi/api_helper_macros.h>
33 static transport_proto_t
34 api_session_transport_proto_decode (const vl_api_transport_proto_t * api_tp)
38 case TRANSPORT_PROTO_API_TCP:
39 return TRANSPORT_PROTO_TCP;
40 case TRANSPORT_PROTO_API_UDP:
41 return TRANSPORT_PROTO_UDP;
42 case TRANSPORT_PROTO_API_TLS:
43 return TRANSPORT_PROTO_TLS;
44 case TRANSPORT_PROTO_API_QUIC:
45 return TRANSPORT_PROTO_QUIC;
47 return TRANSPORT_PROTO_NONE;
51 static vl_api_transport_proto_t
52 api_session_transport_proto_encode (const transport_proto_t tp)
56 case TRANSPORT_PROTO_TCP:
57 return TRANSPORT_PROTO_API_TCP;
58 case TRANSPORT_PROTO_UDP:
59 return TRANSPORT_PROTO_API_UDP;
60 case TRANSPORT_PROTO_TLS:
61 return TRANSPORT_PROTO_API_TLS;
62 case TRANSPORT_PROTO_QUIC:
63 return TRANSPORT_PROTO_API_QUIC;
65 return TRANSPORT_PROTO_API_NONE;
70 session_send_fds (vl_api_registration_t * reg, int fds[], int n_fds)
73 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
74 return SESSION_E_BAPI_NO_FD;
75 error = vl_api_send_fd_msg (reg, fds, n_fds);
78 clib_error_report (error);
79 return SESSION_E_BAPI_SEND_FD;
85 mq_try_lock_and_alloc_msg (svm_msg_q_t * app_mq, svm_msg_q_msg_t * msg)
91 rv = svm_msg_q_lock_and_alloc_msg_w_ring (app_mq,
92 SESSION_MQ_CTRL_EVT_RING,
99 clib_warning ("failed to alloc msg");
104 mq_send_session_accepted_cb (session_t * s)
106 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
107 svm_msg_q_msg_t _msg, *msg = &_msg;
108 session_accepted_msg_t m = { 0 };
110 fifo_segment_t *eq_seg;
112 session_event_t *evt;
115 app = application_get (app_wrk->app_index);
117 m.context = app->app_index;
118 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
119 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
120 m.segment_handle = session_segment_handle (s);
123 eq_seg = application_get_rx_mqs_segment (app);
125 if (session_has_transport (s))
127 listener = listen_session_get_from_handle (s->listener_handle);
128 m.listener_handle = app_listen_session_handle (listener);
129 if (application_is_proxy (app))
132 app_worker_first_listener (app_wrk, session_get_fib_proto (s),
133 session_get_transport_proto (s));
135 m.listener_handle = listen_session_get_handle (listener);
137 m.vpp_event_queue_address =
138 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
139 m.mq_index = s->thread_index;
140 m.handle = session_handle (s);
142 session_get_endpoint (s, &m.rmt, 0 /* is_lcl */);
143 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
149 ct = (ct_connection_t *) session_get_transport (s);
150 listener = listen_session_get_from_handle (s->listener_handle);
151 m.listener_handle = app_listen_session_handle (listener);
152 m.rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
153 m.rmt.port = ct->c_rmt_port;
154 m.lcl.port = ct->c_lcl_port;
155 m.handle = session_handle (s);
156 m.vpp_event_queue_address =
157 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
158 m.mq_index = s->thread_index;
161 app_mq = app_wrk->event_queue;
162 if (mq_try_lock_and_alloc_msg (app_mq, msg))
163 return SESSION_E_MQ_MSG_ALLOC;
165 evt = svm_msg_q_msg_data (app_mq, msg);
166 clib_memset (evt, 0, sizeof (*evt));
167 evt->event_type = SESSION_CTRL_EVT_ACCEPTED;
168 clib_memcpy_fast (evt->data, &m, sizeof (m));
169 svm_msg_q_add_and_unlock (app_mq, msg);
175 mq_send_session_close_evt (app_worker_t * app_wrk, session_handle_t sh,
176 session_evt_type_t evt_type)
178 svm_msg_q_msg_t _msg, *msg = &_msg;
179 session_disconnected_msg_t *mp;
181 session_event_t *evt;
183 app_mq = app_wrk->event_queue;
184 if (mq_try_lock_and_alloc_msg (app_mq, msg))
186 evt = svm_msg_q_msg_data (app_mq, msg);
187 clib_memset (evt, 0, sizeof (*evt));
188 evt->event_type = evt_type;
189 mp = (session_disconnected_msg_t *) evt->data;
191 mp->context = app_wrk->api_client_index;
192 svm_msg_q_add_and_unlock (app_mq, msg);
196 mq_notify_close_subscribers (u32 app_index, session_handle_t sh,
197 svm_fifo_t * f, session_evt_type_t evt_type)
199 app_worker_t *app_wrk;
203 app = application_get (app_index);
207 for (i = 0; i < f->shr->n_subscribers; i++)
209 if (!(app_wrk = application_get_worker (app, f->shr->subscribers[i])))
211 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
216 mq_send_session_disconnected_cb (session_t * s)
218 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
219 session_handle_t sh = session_handle (s);
221 mq_send_session_close_evt (app_wrk, session_handle (s),
222 SESSION_CTRL_EVT_DISCONNECTED);
224 if (svm_fifo_n_subscribers (s->rx_fifo))
225 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
226 SESSION_CTRL_EVT_DISCONNECTED);
230 mq_send_session_reset_cb (session_t * s)
232 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
233 session_handle_t sh = session_handle (s);
235 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_RESET);
237 if (svm_fifo_n_subscribers (s->rx_fifo))
238 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
239 SESSION_CTRL_EVT_RESET);
243 mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
244 session_t * s, session_error_t err)
246 svm_msg_q_msg_t _msg, *msg = &_msg;
247 session_connected_msg_t m = { 0 };
249 transport_connection_t *tc;
250 fifo_segment_t *eq_seg;
251 app_worker_t *app_wrk;
252 session_event_t *evt;
255 app_wrk = app_worker_get (app_wrk_index);
257 m.context = api_context;
263 app = application_get (app_wrk->app_index);
264 eq_seg = application_get_rx_mqs_segment (app);
266 if (session_has_transport (s))
268 tc = session_get_transport (s);
271 clib_warning ("failed to retrieve transport!");
272 m.retval = SESSION_E_REFUSED;
276 m.handle = session_handle (s);
277 m.vpp_event_queue_address =
278 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
280 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
282 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
283 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
284 m.segment_handle = session_segment_handle (s);
285 m.mq_index = s->thread_index;
289 ct_connection_t *cct;
292 cct = (ct_connection_t *) session_get_transport (s);
293 m.handle = session_handle (s);
294 m.lcl.port = cct->c_lcl_port;
295 m.lcl.is_ip4 = cct->c_is_ip4;
296 m.vpp_event_queue_address =
297 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
298 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
299 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
300 m.segment_handle = session_segment_handle (s);
301 ss = ct_session_get_peer (s);
302 m.ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
303 m.ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
304 m.ct_segment_handle = session_segment_handle (ss);
305 m.mq_index = s->thread_index;
308 /* Setup client session index in advance, in case data arrives
309 * before the app processes message and updates it */
310 s->rx_fifo->shr->client_session_index = api_context;
311 s->tx_fifo->shr->client_session_index = api_context;
315 app_mq = app_wrk->event_queue;
317 if (mq_try_lock_and_alloc_msg (app_mq, msg))
318 return SESSION_E_MQ_MSG_ALLOC;
320 evt = svm_msg_q_msg_data (app_mq, msg);
321 clib_memset (evt, 0, sizeof (*evt));
322 evt->event_type = SESSION_CTRL_EVT_CONNECTED;
323 clib_memcpy_fast (evt->data, &m, sizeof (m));
325 svm_msg_q_add_and_unlock (app_mq, msg);
330 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
331 session_handle_t handle, int rv)
333 svm_msg_q_msg_t _msg, *msg = &_msg;
334 session_bound_msg_t m = { 0 };
336 transport_endpoint_t tep;
337 fifo_segment_t *eq_seg;
338 app_worker_t *app_wrk;
339 session_event_t *evt;
344 app_wrk = app_worker_get (app_wrk_index);
346 m.context = api_context;
353 al = app_listener_get_w_handle (handle);
354 if (al->session_index != SESSION_INVALID_INDEX)
355 ls = app_listener_get_session (al);
357 ls = app_listener_get_local_session (al);
359 session_get_endpoint (ls, &tep, 1 /* is_lcl */);
360 m.lcl_port = tep.port;
361 m.lcl_is_ip4 = tep.is_ip4;
362 clib_memcpy_fast (m.lcl_ip, &tep.ip, sizeof (tep.ip));
363 app = application_get (app_wrk->app_index);
364 eq_seg = application_get_rx_mqs_segment (app);
365 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
366 m.mq_index = ls->thread_index;
368 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL &&
371 m.rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
372 m.tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
373 m.segment_handle = session_segment_handle (ls);
378 app_mq = app_wrk->event_queue;
380 if (mq_try_lock_and_alloc_msg (app_mq, msg))
381 return SESSION_E_MQ_MSG_ALLOC;
383 evt = svm_msg_q_msg_data (app_mq, msg);
384 clib_memset (evt, 0, sizeof (*evt));
385 evt->event_type = SESSION_CTRL_EVT_BOUND;
386 clib_memcpy_fast (evt->data, &m, sizeof (m));
388 svm_msg_q_add_and_unlock (app_mq, msg);
393 mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
396 svm_msg_q_msg_t _msg, *msg = &_msg;
397 session_unlisten_reply_msg_t *ump;
399 session_event_t *evt;
401 app_mq = app_wrk->event_queue;
402 if (mq_try_lock_and_alloc_msg (app_mq, msg))
405 evt = svm_msg_q_msg_data (app_mq, msg);
406 clib_memset (evt, 0, sizeof (*evt));
407 evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY;
408 ump = (session_unlisten_reply_msg_t *) evt->data;
409 ump->context = context;
412 svm_msg_q_add_and_unlock (app_mq, msg);
416 mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
418 svm_msg_q_msg_t _msg, *msg = &_msg;
419 session_migrated_msg_t m = { 0 };
420 fifo_segment_t *eq_seg;
421 app_worker_t *app_wrk;
422 session_event_t *evt;
427 thread_index = session_thread_from_handle (new_sh);
428 app_wrk = app_worker_get (s->app_wrk_index);
429 app_mq = app_wrk->event_queue;
430 app = application_get (app_wrk->app_index);
431 eq_seg = application_get_rx_mqs_segment (app);
433 m.handle = session_handle (s);
434 m.new_handle = new_sh;
435 m.vpp_thread_index = thread_index;
436 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
437 m.segment_handle = SESSION_INVALID_HANDLE;
439 if (mq_try_lock_and_alloc_msg (app_mq, msg))
442 evt = svm_msg_q_msg_data (app_mq, msg);
443 clib_memset (evt, 0, sizeof (*evt));
444 evt->event_type = SESSION_CTRL_EVT_MIGRATED;
445 clib_memcpy_fast (evt->data, &m, sizeof (m));
447 svm_msg_q_add_and_unlock (app_mq, msg);
451 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
453 int fds[SESSION_N_FD_TYPE], n_fds = 0;
454 svm_msg_q_msg_t _msg, *msg = &_msg;
455 session_app_add_segment_msg_t *mp;
456 vl_api_registration_t *reg;
457 app_worker_t *app_wrk;
458 session_event_t *evt;
464 app_wrk = app_worker_get (app_wrk_index);
466 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
469 clib_warning ("no api registration for client: %u",
470 app_wrk->api_client_index);
474 fs = segment_manager_get_segment_w_handle (segment_handle);
476 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
478 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
480 clib_warning ("can't send memfd fd");
484 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
489 app_mq = app_wrk->event_queue;
490 if (mq_try_lock_and_alloc_msg (app_mq, msg))
494 session_send_fds (reg, fds, n_fds);
496 evt = svm_msg_q_msg_data (app_mq, msg);
497 clib_memset (evt, 0, sizeof (*evt));
498 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
499 mp = (session_app_add_segment_msg_t *) evt->data;
500 clib_memset (mp, 0, sizeof (*mp));
501 mp->segment_size = sp->ssvm_size;
502 mp->fd_flags = fd_flags;
503 mp->segment_handle = segment_handle;
504 strncpy ((char *) mp->segment_name, (char *) sp->name,
505 sizeof (mp->segment_name) - 1);
507 svm_msg_q_add_and_unlock (app_mq, msg);
513 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
515 svm_msg_q_msg_t _msg, *msg = &_msg;
516 session_app_del_segment_msg_t *mp;
517 vl_api_registration_t *reg;
518 app_worker_t *app_wrk;
519 session_event_t *evt;
522 app_wrk = app_worker_get (app_wrk_index);
523 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
526 clib_warning ("no registration: %u", app_wrk->api_client_index);
530 app_mq = app_wrk->event_queue;
531 if (mq_try_lock_and_alloc_msg (app_mq, msg))
534 evt = svm_msg_q_msg_data (app_mq, msg);
535 clib_memset (evt, 0, sizeof (*evt));
536 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
537 mp = (session_app_del_segment_msg_t *) evt->data;
538 clib_memset (mp, 0, sizeof (*mp));
539 mp->segment_handle = segment_handle;
540 svm_msg_q_add_and_unlock (app_mq, msg);
546 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
548 svm_msg_q_msg_t _msg, *msg = &_msg;
549 session_cleanup_msg_t *mp;
551 session_event_t *evt;
552 app_worker_t *app_wrk;
554 /* Propagate transport cleanup notifications only if app didn't close */
555 if (ntf == SESSION_CLEANUP_TRANSPORT
556 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
559 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
563 app_mq = app_wrk->event_queue;
564 if (mq_try_lock_and_alloc_msg (app_mq, msg))
567 evt = svm_msg_q_msg_data (app_mq, msg);
568 clib_memset (evt, 0, sizeof (*evt));
569 evt->event_type = SESSION_CTRL_EVT_CLEANUP;
570 mp = (session_cleanup_msg_t *) evt->data;
571 mp->handle = session_handle (s);
573 svm_msg_q_add_and_unlock (app_mq, msg);
576 static session_cb_vft_t session_mq_cb_vft = {
577 .session_accept_callback = mq_send_session_accepted_cb,
578 .session_disconnect_callback = mq_send_session_disconnected_cb,
579 .session_connected_callback = mq_send_session_connected_cb,
580 .session_reset_callback = mq_send_session_reset_cb,
581 .session_migrate_callback = mq_send_session_migrate_cb,
582 .session_cleanup_callback = mq_send_session_cleanup_cb,
583 .add_segment_callback = mq_send_add_segment_cb,
584 .del_segment_callback = mq_send_del_segment_cb,
588 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
590 vl_api_session_enable_disable_reply_t *rmp;
591 vlib_main_t *vm = vlib_get_main ();
594 vnet_session_enable_disable (vm, mp->is_enable);
595 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
599 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
601 int rv = 0, *fds = 0, n_fds = 0, n_workers, i;
602 fifo_segment_t *segp, *rx_mqs_seg = 0;
603 vnet_app_attach_args_t _a, *a = &_a;
604 vl_api_app_attach_reply_t *rmp;
605 u8 fd_flags = 0, ctrl_thread;
606 vl_api_registration_t *reg;
610 reg = vl_api_client_index_to_registration (mp->client_index);
614 n_workers = vlib_num_workers ();
615 if (!session_main_is_enabled () || appns_sapi_enabled ())
617 rv = VNET_API_ERROR_FEATURE_DISABLED;
620 /* Only support binary api with socket transport */
621 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
623 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
627 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
628 sizeof (mp->options),
629 "Out of options, fix api message definition");
631 clib_memset (a, 0, sizeof (*a));
632 a->api_client_index = mp->client_index;
633 a->options = mp->options;
634 a->session_cb_vft = &session_mq_cb_vft;
635 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
637 if ((rv = vnet_application_attach (a)))
639 clib_warning ("attach returned: %d", rv);
640 vec_free (a->namespace_id);
643 vec_free (a->namespace_id);
645 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
647 /* Send rx mqs segment */
648 app = application_get (a->app_index);
649 rx_mqs_seg = application_get_rx_mqs_segment (app);
651 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
652 fds[n_fds] = rx_mqs_seg->ssvm.fd;
655 /* Send fifo segment fd if needed */
656 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
658 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
659 fds[n_fds] = a->segment->fd;
662 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
664 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
665 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
669 if (application_use_private_rx_mqs ())
671 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
672 for (i = 0; i < n_workers + 1; i++)
674 rx_mq = application_rx_mq_get (app, i);
675 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
682 REPLY_MACRO2 (VL_API_APP_ATTACH_REPLY, ({
685 ctrl_thread = n_workers ? 1 : 0;
686 segp = (fifo_segment_t *) a->segment;
687 rmp->app_index = clib_host_to_net_u32 (a->app_index);
688 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
689 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
690 rmp->vpp_ctrl_mq_thread = ctrl_thread;
692 rmp->fd_flags = fd_flags;
693 if (vec_len (segp->ssvm.name))
695 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
697 rmp->segment_size = segp->ssvm.ssvm_size;
698 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
704 session_send_fds (reg, fds, n_fds);
709 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
711 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
712 vl_api_app_worker_add_del_reply_t *rmp;
713 vl_api_registration_t *reg;
717 if (!session_main_is_enabled () || appns_sapi_enabled ())
719 rv = VNET_API_ERROR_FEATURE_DISABLED;
723 reg = vl_api_client_index_to_registration (mp->client_index);
727 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
730 rv = VNET_API_ERROR_INVALID_VALUE;
734 vnet_app_worker_add_del_args_t args = {
735 .app_index = app->app_index,
736 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
737 .api_client_index = mp->client_index,
740 rv = vnet_app_worker_add_del (&args);
743 clib_warning ("app worker add/del returned: %d", rv);
750 /* Send fifo segment fd if needed */
751 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
753 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
754 fds[n_fds] = args.segment->fd;
757 if (application_segment_manager_properties (app)->use_mq_eventfd)
759 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
760 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
766 REPLY_MACRO2 (VL_API_APP_WORKER_ADD_DEL_REPLY, ({
767 rmp->is_add = mp->is_add;
768 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
769 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
770 if (!rv && mp->is_add)
772 rmp->app_event_queue_address =
773 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
775 rmp->fd_flags = fd_flags;
776 if (vec_len (args.segment->name))
778 vl_api_vec_to_api_string (args.segment->name, &rmp->segment_name);
785 session_send_fds (reg, fds, n_fds);
789 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
791 vl_api_application_detach_reply_t *rmp;
792 int rv = VNET_API_ERROR_INVALID_VALUE_2;
793 vnet_app_detach_args_t _a, *a = &_a;
796 if (!session_main_is_enabled () || appns_sapi_enabled ())
798 rv = VNET_API_ERROR_FEATURE_DISABLED;
802 app = application_lookup (mp->client_index);
805 a->app_index = app->app_index;
806 a->api_client_index = mp->client_index;
807 rv = vnet_application_detach (a);
811 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
815 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
817 vl_api_app_namespace_add_del_reply_t *rmp;
821 if (session_main_is_enabled () == 0)
823 rv = VNET_API_ERROR_FEATURE_DISABLED;
827 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
829 vnet_app_namespace_add_del_args_t args = {
831 .secret = clib_net_to_host_u64 (mp->secret),
832 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
833 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
834 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
837 rv = vnet_app_namespace_add_del (&args);
840 appns_index = app_namespace_index_from_id (ns_id);
841 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
843 clib_warning ("app ns lookup failed");
844 rv = VNET_API_ERROR_UNSPECIFIED;
851 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
853 rmp->appns_index = clib_host_to_net_u32 (appns_index);
859 vl_api_app_namespace_add_del_v2_t_handler (
860 vl_api_app_namespace_add_del_v2_t *mp)
862 vl_api_app_namespace_add_del_v2_reply_t *rmp;
863 u8 *ns_id = 0, *netns = 0;
867 if (session_main_is_enabled () == 0)
869 rv = VNET_API_ERROR_FEATURE_DISABLED;
873 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
874 mp->netns[sizeof (mp->netns) - 1] = 0;
875 ns_id = format (0, "%s", &mp->namespace_id);
876 netns = format (0, "%s", &mp->netns);
878 vnet_app_namespace_add_del_args_t args = {
881 .secret = clib_net_to_host_u64 (mp->secret),
882 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
883 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
884 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
887 rv = vnet_app_namespace_add_del (&args);
890 appns_index = app_namespace_index_from_id (ns_id);
891 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
893 clib_warning ("app ns lookup failed");
894 rv = VNET_API_ERROR_UNSPECIFIED;
901 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V2_REPLY, ({
903 rmp->appns_index = clib_host_to_net_u32 (appns_index);
908 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
910 vl_api_session_rule_add_del_reply_t *rmp;
911 session_rule_add_del_args_t args;
912 session_rule_table_add_del_args_t *table_args = &args.table_args;
915 clib_memset (&args, 0, sizeof (args));
917 ip_prefix_decode (&mp->lcl, &table_args->lcl);
918 ip_prefix_decode (&mp->rmt, &table_args->rmt);
920 table_args->lcl_port = mp->lcl_port;
921 table_args->rmt_port = mp->rmt_port;
922 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
923 table_args->is_add = mp->is_add;
924 mp->tag[sizeof (mp->tag) - 1] = 0;
925 table_args->tag = format (0, "%s", mp->tag);
926 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
927 args.scope = mp->scope;
928 args.transport_proto =
929 api_session_transport_proto_decode (&mp->transport_proto) ==
930 TRANSPORT_PROTO_UDP ? 1 : 0;
932 rv = vnet_session_rule_add_del (&args);
934 clib_warning ("rule add del returned: %d", rv);
935 vec_free (table_args->tag);
936 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
940 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
941 u8 transport_proto, u32 appns_index, u8 * tag,
942 vl_api_registration_t * reg, u32 context)
944 vl_api_session_rules_details_t *rmp = 0;
945 session_mask_or_match_4_t *match =
946 (session_mask_or_match_4_t *) & rule->match;
947 session_mask_or_match_4_t *mask =
948 (session_mask_or_match_4_t *) & rule->mask;
949 fib_prefix_t lcl, rmt;
951 rmp = vl_msg_api_alloc (sizeof (*rmp));
952 clib_memset (rmp, 0, sizeof (*rmp));
953 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
954 rmp->context = context;
956 clib_memset (&lcl, 0, sizeof (lcl));
957 clib_memset (&rmt, 0, sizeof (rmt));
958 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
959 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
960 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
961 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
963 ip_prefix_encode (&lcl, &rmp->lcl);
964 ip_prefix_encode (&rmt, &rmp->rmt);
965 rmp->lcl_port = match->lcl_port;
966 rmp->rmt_port = match->rmt_port;
967 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
969 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
970 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
971 rmp->appns_index = clib_host_to_net_u32 (appns_index);
974 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
975 rmp->tag[vec_len (tag)] = 0;
978 vl_api_send_msg (reg, (u8 *) rmp);
982 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
983 u8 transport_proto, u32 appns_index, u8 * tag,
984 vl_api_registration_t * reg, u32 context)
986 vl_api_session_rules_details_t *rmp = 0;
987 session_mask_or_match_6_t *match =
988 (session_mask_or_match_6_t *) & rule->match;
989 session_mask_or_match_6_t *mask =
990 (session_mask_or_match_6_t *) & rule->mask;
991 fib_prefix_t lcl, rmt;
993 rmp = vl_msg_api_alloc (sizeof (*rmp));
994 clib_memset (rmp, 0, sizeof (*rmp));
995 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
996 rmp->context = context;
998 clib_memset (&lcl, 0, sizeof (lcl));
999 clib_memset (&rmt, 0, sizeof (rmt));
1000 ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
1001 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
1002 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
1003 rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
1005 ip_prefix_encode (&lcl, &rmp->lcl);
1006 ip_prefix_encode (&rmt, &rmp->rmt);
1007 rmp->lcl_port = match->lcl_port;
1008 rmp->rmt_port = match->rmt_port;
1009 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1011 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
1012 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
1013 rmp->appns_index = clib_host_to_net_u32 (appns_index);
1016 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1017 rmp->tag[vec_len (tag)] = 0;
1020 vl_api_send_msg (reg, (u8 *) rmp);
1024 send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
1025 u8 tp, u8 is_local, u32 appns_index,
1026 vl_api_registration_t * reg, u32 context)
1028 mma_rule_16_t *rule16;
1029 mma_rule_40_t *rule40;
1030 mma_rules_table_16_t *srt16;
1031 mma_rules_table_40_t *srt40;
1034 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1038 srt16 = &srt->session_rules_tables_16;
1039 pool_foreach (rule16, srt16->rules) {
1040 ri = mma_rules_table_rule_index_16 (srt16, rule16);
1041 tag = session_rules_table_rule_tag (srt, ri, 1);
1042 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1047 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1051 srt40 = &srt->session_rules_tables_40;
1052 pool_foreach (rule40, srt40->rules) {
1053 ri = mma_rules_table_rule_index_40 (srt40, rule40);
1054 tag = session_rules_table_rule_tag (srt, ri, 1);
1055 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1063 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1065 vl_api_registration_t *reg;
1066 session_table_t *st;
1069 reg = vl_api_client_index_to_registration (mp->client_index);
1074 session_table_foreach (st, ({
1075 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1077 send_session_rules_table_details (&st->session_rules[tp],
1078 st->active_fib_proto, tp,
1079 st->is_local, st->appns_index, reg,
1087 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1089 vl_api_app_add_cert_key_pair_reply_t *rmp;
1090 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1091 u32 certkey_len, key_len, cert_len;
1093 if (session_main_is_enabled () == 0)
1095 rv = VNET_API_ERROR_FEATURE_DISABLED;
1099 cert_len = clib_net_to_host_u16 (mp->cert_len);
1100 if (cert_len > 10000)
1102 rv = VNET_API_ERROR_INVALID_VALUE;
1106 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1107 if (certkey_len < cert_len)
1109 rv = VNET_API_ERROR_INVALID_VALUE;
1113 key_len = certkey_len - cert_len;
1114 if (key_len > 10000)
1116 rv = VNET_API_ERROR_INVALID_VALUE;
1120 clib_memset (a, 0, sizeof (*a));
1121 a->cert = mp->certkey;
1122 a->key = mp->certkey + cert_len;
1123 a->cert_len = cert_len;
1124 a->key_len = key_len;
1125 rv = vnet_app_add_cert_key_pair (a);
1129 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1131 rmp->index = clib_host_to_net_u32 (a->index);
1137 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1139 vl_api_app_del_cert_key_pair_reply_t *rmp;
1142 if (session_main_is_enabled () == 0)
1144 rv = VNET_API_ERROR_FEATURE_DISABLED;
1147 ckpair_index = clib_net_to_host_u32 (mp->index);
1148 rv = vnet_app_del_cert_key_pair (ckpair_index);
1151 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1154 static clib_error_t *
1155 application_reaper_cb (u32 client_index)
1157 application_t *app = application_lookup (client_index);
1158 vnet_app_detach_args_t _a, *a = &_a;
1161 a->app_index = app->app_index;
1162 a->api_client_index = client_index;
1163 vnet_application_detach (a);
1168 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1171 * Socket api functions
1175 sapi_send_fds (app_worker_t * app_wrk, int *fds, int n_fds)
1177 app_sapi_msg_t smsg = { 0 };
1178 app_namespace_t *app_ns;
1183 app = application_get (app_wrk->app_index);
1184 app_ns = app_namespace_get (app->ns_index);
1185 cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
1186 cs = appns_sapi_get_socket (app_ns, cs_index);
1187 if (PREDICT_FALSE (!cs))
1190 /* There's no payload for the message only the type */
1191 smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
1192 clib_socket_sendmsg (cs, &smsg, sizeof (smsg), fds, n_fds);
1196 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1198 int fds[SESSION_N_FD_TYPE], n_fds = 0;
1199 svm_msg_q_msg_t _msg, *msg = &_msg;
1200 session_app_add_segment_msg_t *mp;
1201 app_worker_t *app_wrk;
1202 session_event_t *evt;
1203 svm_msg_q_t *app_mq;
1208 app_wrk = app_worker_get (app_wrk_index);
1210 fs = segment_manager_get_segment_w_handle (segment_handle);
1212 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1214 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1215 fds[n_fds] = sp->fd;
1218 app_mq = app_wrk->event_queue;
1219 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1223 * Send the fd over api socket
1225 sapi_send_fds (app_wrk, fds, n_fds);
1228 * Send the actual message over mq
1230 evt = svm_msg_q_msg_data (app_mq, msg);
1231 clib_memset (evt, 0, sizeof (*evt));
1232 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
1233 mp = (session_app_add_segment_msg_t *) evt->data;
1234 clib_memset (mp, 0, sizeof (*mp));
1235 mp->segment_size = sp->ssvm_size;
1236 mp->fd_flags = fd_flags;
1237 mp->segment_handle = segment_handle;
1238 strncpy ((char *) mp->segment_name, (char *) sp->name,
1239 sizeof (mp->segment_name) - 1);
1241 svm_msg_q_add_and_unlock (app_mq, msg);
1247 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1249 svm_msg_q_msg_t _msg, *msg = &_msg;
1250 session_app_del_segment_msg_t *mp;
1251 app_worker_t *app_wrk;
1252 session_event_t *evt;
1253 svm_msg_q_t *app_mq;
1255 app_wrk = app_worker_get (app_wrk_index);
1257 app_mq = app_wrk->event_queue;
1258 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1261 evt = svm_msg_q_msg_data (app_mq, msg);
1262 clib_memset (evt, 0, sizeof (*evt));
1263 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
1264 mp = (session_app_del_segment_msg_t *) evt->data;
1265 clib_memset (mp, 0, sizeof (*mp));
1266 mp->segment_handle = segment_handle;
1267 svm_msg_q_add_and_unlock (app_mq, msg);
1272 static session_cb_vft_t session_mq_sapi_cb_vft = {
1273 .session_accept_callback = mq_send_session_accepted_cb,
1274 .session_disconnect_callback = mq_send_session_disconnected_cb,
1275 .session_connected_callback = mq_send_session_connected_cb,
1276 .session_reset_callback = mq_send_session_reset_cb,
1277 .session_migrate_callback = mq_send_session_migrate_cb,
1278 .session_cleanup_callback = mq_send_session_cleanup_cb,
1279 .add_segment_callback = mq_send_add_segment_sapi_cb,
1280 .del_segment_callback = mq_send_del_segment_sapi_cb,
1284 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1285 app_sapi_attach_msg_t * mp)
1287 int rv = 0, *fds = 0, n_fds = 0, i, n_workers;
1288 vnet_app_attach_args_t _a, *a = &_a;
1289 app_sapi_attach_reply_msg_t *rmp;
1290 u8 fd_flags = 0, ctrl_thread;
1291 app_ns_api_handle_t *handle;
1292 fifo_segment_t *rx_mqs_seg;
1293 app_sapi_msg_t msg = { 0 };
1294 app_worker_t *app_wrk;
1298 /* Make sure name is null terminated */
1301 clib_memset (a, 0, sizeof (*a));
1302 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1303 a->name = format (0, "%s", (char *) mp->name);
1304 a->options = mp->options;
1305 a->session_cb_vft = &session_mq_sapi_cb_vft;
1306 a->use_sock_api = 1;
1307 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1309 if ((rv = vnet_application_attach (a)))
1311 clib_warning ("attach returned: %d", rv);
1315 n_workers = vlib_num_workers ();
1316 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
1318 /* Send event queues segment */
1319 app = application_get (a->app_index);
1320 rx_mqs_seg = application_get_rx_mqs_segment (app);
1322 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1323 fds[n_fds] = rx_mqs_seg->ssvm.fd;
1326 /* Send fifo segment fd if needed */
1327 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1329 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1330 fds[n_fds] = a->segment->fd;
1333 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1335 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1336 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1340 if (application_use_private_rx_mqs ())
1342 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
1343 for (i = 0; i < n_workers + 1; i++)
1345 rx_mq = application_rx_mq_get (app, i);
1346 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
1353 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1354 rmp = &msg.attach_reply;
1358 ctrl_thread = n_workers ? 1 : 0;
1359 rmp->app_index = a->app_index;
1361 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1362 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
1363 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1365 rmp->fd_flags = fd_flags;
1366 /* No segment name and size since we only support memfds
1367 * in this configuration */
1368 rmp->segment_handle = a->segment_handle;
1369 rmp->api_client_handle = a->api_client_index;
1371 /* Update app index for socket */
1372 handle = (app_ns_api_handle_t *) & cs->private_data;
1373 app_wrk = application_get_worker (app, 0);
1374 handle->aah_app_wrk_index = app_wrk->wrk_index;
1377 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1383 sapi_socket_close_w_handle (u32 api_handle)
1385 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1386 u16 sock_index = api_handle & 0xffff;
1387 app_ns_api_handle_t *handle;
1391 cs = appns_sapi_get_socket (app_ns, sock_index);
1395 handle = (app_ns_api_handle_t *) & cs->private_data;
1396 cf = clib_file_get (&file_main, handle->aah_file_index);
1397 clib_file_del (&file_main, cf);
1399 clib_socket_close (cs);
1400 appns_sapi_free_socket (app_ns, cs);
1404 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1406 app_sapi_worker_add_del_msg_t * mp)
1408 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1409 app_sapi_worker_add_del_reply_msg_t *rmp;
1410 app_ns_api_handle_t *handle;
1411 app_sapi_msg_t msg = { 0 };
1412 app_worker_t *app_wrk;
1413 u32 sapi_handle = -1;
1417 app = application_get_if_valid (mp->app_index);
1420 rv = VNET_API_ERROR_INVALID_VALUE;
1424 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1426 vnet_app_worker_add_del_args_t args = {
1427 .app_index = app->app_index,
1428 .wrk_map_index = mp->wrk_index,
1429 .api_client_index = sapi_handle,
1430 .is_add = mp->is_add
1432 rv = vnet_app_worker_add_del (&args);
1435 clib_warning ("app worker add/del returned: %d", rv);
1441 sapi_socket_close_w_handle (sapi_handle);
1445 /* Send fifo segment fd if needed */
1446 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1448 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1449 fds[n_fds] = args.segment->fd;
1452 if (application_segment_manager_properties (app)->use_mq_eventfd)
1454 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1455 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1461 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1462 rmp = &msg.worker_add_del_reply;
1464 rmp->is_add = mp->is_add;
1465 rmp->api_client_handle = sapi_handle;
1466 rmp->wrk_index = args.wrk_map_index;
1467 rmp->segment_handle = args.segment_handle;
1468 if (!rv && mp->is_add)
1470 /* No segment name and size. This supports only memfds */
1471 rmp->app_event_queue_address =
1472 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1474 rmp->fd_flags = fd_flags;
1476 /* Update app index for socket */
1477 handle = (app_ns_api_handle_t *) & cs->private_data;
1478 app_wrk = application_get_worker (app, args.wrk_map_index);
1479 handle->aah_app_wrk_index = app_wrk->wrk_index;
1482 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1486 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1488 app_ns_api_handle_t *handle;
1489 app_worker_t *app_wrk;
1490 u32 api_client_handle;
1492 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1493 sapi_socket_close_w_handle (api_client_handle);
1495 /* Cleanup everything because app worker closed socket or crashed */
1496 handle = (app_ns_api_handle_t *) & cs->private_data;
1497 app_wrk = app_worker_get (handle->aah_app_wrk_index);
1499 vnet_app_worker_add_del_args_t args = {
1500 .app_index = app_wrk->app_index,
1501 .wrk_map_index = app_wrk->wrk_map_index,
1502 .api_client_index = api_client_handle,
1505 /* Send rpc to main thread for worker barrier */
1506 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1510 static clib_error_t *
1511 sapi_sock_read_ready (clib_file_t * cf)
1513 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1514 vlib_main_t *vm = vlib_get_main ();
1515 app_sapi_msg_t msg = { 0 };
1516 app_namespace_t *app_ns;
1517 clib_error_t *err = 0;
1520 app_ns = app_namespace_get (handle->aah_app_ns_index);
1521 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1525 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1528 clib_error_free (err);
1529 sapi_socket_detach (app_ns, cs);
1533 handle = (app_ns_api_handle_t *) & cs->private_data;
1535 vlib_worker_thread_barrier_sync (vm);
1539 case APP_SAPI_MSG_TYPE_ATTACH:
1540 session_api_attach_handler (app_ns, cs, &msg.attach);
1542 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1543 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1546 clib_warning ("app wrk %u unknown message type: %u",
1547 handle->aah_app_wrk_index, msg.type);
1551 vlib_worker_thread_barrier_release (vm);
1557 static clib_error_t *
1558 sapi_sock_write_ready (clib_file_t * cf)
1560 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1561 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1565 static clib_error_t *
1566 sapi_sock_error (clib_file_t * cf)
1568 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1569 app_namespace_t *app_ns;
1572 app_ns = app_namespace_get (handle->aah_app_ns_index);
1573 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1577 sapi_socket_detach (app_ns, cs);
1581 static clib_error_t *
1582 sapi_sock_accept_ready (clib_file_t * scf)
1584 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1585 app_namespace_t *app_ns;
1586 clib_file_t cf = { 0 };
1587 clib_error_t *err = 0;
1588 clib_socket_t *ccs, *scs;
1590 /* Listener files point to namespace */
1591 app_ns = app_namespace_get (handle.aah_app_ns_index);
1594 * Initialize client socket
1596 ccs = appns_sapi_alloc_socket (app_ns);
1598 /* Grab server socket after client is initialized */
1599 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1603 err = clib_socket_accept (scs, ccs);
1606 clib_error_report (err);
1610 cf.read_function = sapi_sock_read_ready;
1611 cf.write_function = sapi_sock_write_ready;
1612 cf.error_function = sapi_sock_error;
1613 cf.file_descriptor = ccs->fd;
1614 /* File points to app namespace and socket */
1615 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1616 cf.private_data = handle.as_u64;
1617 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1619 /* Poll until we get an attach message. Socket points to file and
1620 * application that owns the socket */
1621 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1622 handle.aah_file_index = clib_file_add (&file_main, &cf);
1623 ccs->private_data = handle.as_u64;
1628 appns_sapi_free_socket (app_ns, ccs);
1633 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1635 char *subdir = "/app_ns_sockets/";
1636 app_ns_api_handle_t *handle;
1637 clib_file_t cf = { 0 };
1638 struct stat file_stat;
1644 vec_add (dir, vlib_unix_get_runtime_dir (),
1645 strlen (vlib_unix_get_runtime_dir ()));
1646 vec_add (dir, (u8 *) subdir, strlen (subdir));
1648 err = vlib_unix_recursive_mkdir ((char *) dir);
1651 clib_error_report (err);
1656 /* Use abstract sockets if a netns was provided */
1658 app_ns->sock_name = format (0, "@vpp/session/%v%c", app_ns->ns_id, 0);
1660 app_ns->sock_name = format (0, "%v%v%c", dir, app_ns->ns_id, 0);
1663 * Create and initialize socket to listen on
1665 cs = appns_sapi_alloc_socket (app_ns);
1666 cs->config = (char *) app_ns->sock_name;
1667 cs->flags = CLIB_SOCKET_F_IS_SERVER |
1668 CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1669 CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1671 if ((err = clib_socket_init_netns (cs, app_ns->netns)))
1673 clib_error_report (err);
1678 if (!app_ns->netns && stat ((char *) app_ns->sock_name, &file_stat) == -1)
1687 cf.read_function = sapi_sock_accept_ready;
1688 cf.file_descriptor = cs->fd;
1689 /* File points to namespace */
1690 handle = (app_ns_api_handle_t *) & cf.private_data;
1691 handle->aah_app_ns_index = app_namespace_index (app_ns);
1692 handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1693 cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1695 /* Socket points to clib file index */
1696 handle = (app_ns_api_handle_t *) & cs->private_data;
1697 handle->aah_file_index = clib_file_add (&file_main, &cf);
1698 handle->aah_app_wrk_index = APP_INVALID_INDEX;
1706 vl_api_application_tls_cert_add_t_handler (
1707 vl_api_application_tls_cert_add_t *mp)
1713 vl_api_application_tls_key_add_t_handler (vl_api_application_tls_key_add_t *mp)
1718 #include <vnet/session/session.api.c>
1719 static clib_error_t *
1720 session_api_hookup (vlib_main_t *vm)
1723 * Set up the (msg_name, crc, message-id) table
1725 REPLY_MSG_ID_BASE = setup_message_id_table ();
1730 VLIB_API_INIT_FUNCTION (session_api_hookup);
1733 * fd.io coding-style-patch-verification: ON
1736 * eval: (c-set-style "gnu")