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,
97 * Break the loop if mq is full, usually this is because the
98 * app has crashed or is hanging on somewhere.
105 clib_warning ("failed to alloc msg");
110 mq_send_session_accepted_cb (session_t * s)
112 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
113 svm_msg_q_msg_t _msg, *msg = &_msg;
114 session_accepted_msg_t m = { 0 };
116 fifo_segment_t *eq_seg;
118 session_event_t *evt;
121 app = application_get (app_wrk->app_index);
123 m.context = app->app_index;
124 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
125 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
126 m.segment_handle = session_segment_handle (s);
129 eq_seg = application_get_rx_mqs_segment (app);
131 if (session_has_transport (s))
133 listener = listen_session_get_from_handle (s->listener_handle);
134 m.listener_handle = app_listen_session_handle (listener);
135 if (application_is_proxy (app))
138 app_worker_first_listener (app_wrk, session_get_fib_proto (s),
139 session_get_transport_proto (s));
141 m.listener_handle = listen_session_get_handle (listener);
143 m.vpp_event_queue_address =
144 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
145 m.mq_index = s->thread_index;
146 m.handle = session_handle (s);
148 session_get_endpoint (s, &m.rmt, 0 /* is_lcl */);
149 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
155 ct = (ct_connection_t *) session_get_transport (s);
156 listener = listen_session_get_from_handle (s->listener_handle);
157 m.listener_handle = app_listen_session_handle (listener);
158 m.rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
159 m.rmt.port = ct->c_rmt_port;
160 m.lcl.port = ct->c_lcl_port;
161 m.handle = session_handle (s);
162 m.vpp_event_queue_address =
163 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
164 m.mq_index = s->thread_index;
167 app_mq = app_wrk->event_queue;
168 if (mq_try_lock_and_alloc_msg (app_mq, msg))
169 return SESSION_E_MQ_MSG_ALLOC;
171 evt = svm_msg_q_msg_data (app_mq, msg);
172 clib_memset (evt, 0, sizeof (*evt));
173 evt->event_type = SESSION_CTRL_EVT_ACCEPTED;
174 clib_memcpy_fast (evt->data, &m, sizeof (m));
175 svm_msg_q_add_and_unlock (app_mq, msg);
181 mq_send_session_close_evt (app_worker_t * app_wrk, session_handle_t sh,
182 session_evt_type_t evt_type)
184 svm_msg_q_msg_t _msg, *msg = &_msg;
185 session_disconnected_msg_t *mp;
187 session_event_t *evt;
189 app_mq = app_wrk->event_queue;
190 if (mq_try_lock_and_alloc_msg (app_mq, msg))
192 evt = svm_msg_q_msg_data (app_mq, msg);
193 clib_memset (evt, 0, sizeof (*evt));
194 evt->event_type = evt_type;
195 mp = (session_disconnected_msg_t *) evt->data;
197 mp->context = app_wrk->api_client_index;
198 svm_msg_q_add_and_unlock (app_mq, msg);
202 mq_notify_close_subscribers (u32 app_index, session_handle_t sh,
203 svm_fifo_t * f, session_evt_type_t evt_type)
205 app_worker_t *app_wrk;
209 app = application_get (app_index);
213 for (i = 0; i < f->shr->n_subscribers; i++)
215 if (!(app_wrk = application_get_worker (app, f->shr->subscribers[i])))
217 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
222 mq_send_session_disconnected_cb (session_t * s)
224 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
225 session_handle_t sh = session_handle (s);
227 mq_send_session_close_evt (app_wrk, session_handle (s),
228 SESSION_CTRL_EVT_DISCONNECTED);
230 if (svm_fifo_n_subscribers (s->rx_fifo))
231 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
232 SESSION_CTRL_EVT_DISCONNECTED);
236 mq_send_session_reset_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, sh, SESSION_CTRL_EVT_RESET);
243 if (svm_fifo_n_subscribers (s->rx_fifo))
244 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
245 SESSION_CTRL_EVT_RESET);
249 mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
250 session_t * s, session_error_t err)
252 svm_msg_q_msg_t _msg, *msg = &_msg;
253 session_connected_msg_t m = { 0 };
255 transport_connection_t *tc;
256 fifo_segment_t *eq_seg;
257 app_worker_t *app_wrk;
258 session_event_t *evt;
261 app_wrk = app_worker_get (app_wrk_index);
263 m.context = api_context;
269 app = application_get (app_wrk->app_index);
270 eq_seg = application_get_rx_mqs_segment (app);
272 if (session_has_transport (s))
274 tc = session_get_transport (s);
277 clib_warning ("failed to retrieve transport!");
278 m.retval = SESSION_E_REFUSED;
282 m.handle = session_handle (s);
283 m.vpp_event_queue_address =
284 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
286 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
288 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
289 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
290 m.segment_handle = session_segment_handle (s);
291 m.mq_index = s->thread_index;
295 ct_connection_t *cct;
298 cct = (ct_connection_t *) session_get_transport (s);
299 m.handle = session_handle (s);
300 m.lcl.port = cct->c_lcl_port;
301 m.lcl.is_ip4 = cct->c_is_ip4;
302 m.vpp_event_queue_address =
303 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
304 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
305 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
306 m.segment_handle = session_segment_handle (s);
307 ss = ct_session_get_peer (s);
308 m.ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
309 m.ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
310 m.ct_segment_handle = session_segment_handle (ss);
311 m.mq_index = s->thread_index;
314 /* Setup client session index in advance, in case data arrives
315 * before the app processes message and updates it */
316 s->rx_fifo->shr->client_session_index = api_context;
317 s->tx_fifo->shr->client_session_index = api_context;
321 app_mq = app_wrk->event_queue;
323 if (mq_try_lock_and_alloc_msg (app_mq, msg))
324 return SESSION_E_MQ_MSG_ALLOC;
326 evt = svm_msg_q_msg_data (app_mq, msg);
327 clib_memset (evt, 0, sizeof (*evt));
328 evt->event_type = SESSION_CTRL_EVT_CONNECTED;
329 clib_memcpy_fast (evt->data, &m, sizeof (m));
331 svm_msg_q_add_and_unlock (app_mq, msg);
336 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
337 session_handle_t handle, int rv)
339 svm_msg_q_msg_t _msg, *msg = &_msg;
340 session_bound_msg_t m = { 0 };
342 transport_endpoint_t tep;
343 fifo_segment_t *eq_seg;
344 app_worker_t *app_wrk;
345 session_event_t *evt;
350 app_wrk = app_worker_get (app_wrk_index);
352 m.context = api_context;
359 al = app_listener_get_w_handle (handle);
360 if (al->session_index != SESSION_INVALID_INDEX)
361 ls = app_listener_get_session (al);
363 ls = app_listener_get_local_session (al);
365 session_get_endpoint (ls, &tep, 1 /* is_lcl */);
366 m.lcl_port = tep.port;
367 m.lcl_is_ip4 = tep.is_ip4;
368 clib_memcpy_fast (m.lcl_ip, &tep.ip, sizeof (tep.ip));
369 app = application_get (app_wrk->app_index);
370 eq_seg = application_get_rx_mqs_segment (app);
371 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
372 m.mq_index = ls->thread_index;
374 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL &&
377 m.rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
378 m.tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
379 m.segment_handle = session_segment_handle (ls);
384 app_mq = app_wrk->event_queue;
386 if (mq_try_lock_and_alloc_msg (app_mq, msg))
387 return SESSION_E_MQ_MSG_ALLOC;
389 evt = svm_msg_q_msg_data (app_mq, msg);
390 clib_memset (evt, 0, sizeof (*evt));
391 evt->event_type = SESSION_CTRL_EVT_BOUND;
392 clib_memcpy_fast (evt->data, &m, sizeof (m));
394 svm_msg_q_add_and_unlock (app_mq, msg);
399 mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
402 svm_msg_q_msg_t _msg, *msg = &_msg;
403 session_unlisten_reply_msg_t *ump;
405 session_event_t *evt;
407 app_mq = app_wrk->event_queue;
408 if (mq_try_lock_and_alloc_msg (app_mq, msg))
411 evt = svm_msg_q_msg_data (app_mq, msg);
412 clib_memset (evt, 0, sizeof (*evt));
413 evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY;
414 ump = (session_unlisten_reply_msg_t *) evt->data;
415 ump->context = context;
418 svm_msg_q_add_and_unlock (app_mq, msg);
422 mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
424 svm_msg_q_msg_t _msg, *msg = &_msg;
425 session_migrated_msg_t m = { 0 };
426 fifo_segment_t *eq_seg;
427 app_worker_t *app_wrk;
428 session_event_t *evt;
433 thread_index = session_thread_from_handle (new_sh);
434 app_wrk = app_worker_get (s->app_wrk_index);
435 app_mq = app_wrk->event_queue;
436 app = application_get (app_wrk->app_index);
437 eq_seg = application_get_rx_mqs_segment (app);
439 m.handle = session_handle (s);
440 m.new_handle = new_sh;
441 m.vpp_thread_index = thread_index;
442 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
443 m.segment_handle = SESSION_INVALID_HANDLE;
445 if (mq_try_lock_and_alloc_msg (app_mq, msg))
448 evt = svm_msg_q_msg_data (app_mq, msg);
449 clib_memset (evt, 0, sizeof (*evt));
450 evt->event_type = SESSION_CTRL_EVT_MIGRATED;
451 clib_memcpy_fast (evt->data, &m, sizeof (m));
453 svm_msg_q_add_and_unlock (app_mq, msg);
457 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
459 int fds[SESSION_N_FD_TYPE], n_fds = 0;
460 svm_msg_q_msg_t _msg, *msg = &_msg;
461 session_app_add_segment_msg_t *mp;
462 vl_api_registration_t *reg;
463 app_worker_t *app_wrk;
464 session_event_t *evt;
470 app_wrk = app_worker_get (app_wrk_index);
472 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
475 clib_warning ("no api registration for client: %u",
476 app_wrk->api_client_index);
480 fs = segment_manager_get_segment_w_handle (segment_handle);
482 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
484 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
486 clib_warning ("can't send memfd fd");
490 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
495 app_mq = app_wrk->event_queue;
496 if (mq_try_lock_and_alloc_msg (app_mq, msg))
500 session_send_fds (reg, fds, n_fds);
502 evt = svm_msg_q_msg_data (app_mq, msg);
503 clib_memset (evt, 0, sizeof (*evt));
504 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
505 mp = (session_app_add_segment_msg_t *) evt->data;
506 clib_memset (mp, 0, sizeof (*mp));
507 mp->segment_size = sp->ssvm_size;
508 mp->fd_flags = fd_flags;
509 mp->segment_handle = segment_handle;
510 strncpy ((char *) mp->segment_name, (char *) sp->name,
511 sizeof (mp->segment_name) - 1);
513 svm_msg_q_add_and_unlock (app_mq, msg);
519 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
521 svm_msg_q_msg_t _msg, *msg = &_msg;
522 session_app_del_segment_msg_t *mp;
523 vl_api_registration_t *reg;
524 app_worker_t *app_wrk;
525 session_event_t *evt;
528 app_wrk = app_worker_get (app_wrk_index);
529 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
532 clib_warning ("no registration: %u", app_wrk->api_client_index);
536 app_mq = app_wrk->event_queue;
537 if (mq_try_lock_and_alloc_msg (app_mq, msg))
540 evt = svm_msg_q_msg_data (app_mq, msg);
541 clib_memset (evt, 0, sizeof (*evt));
542 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
543 mp = (session_app_del_segment_msg_t *) evt->data;
544 clib_memset (mp, 0, sizeof (*mp));
545 mp->segment_handle = segment_handle;
546 svm_msg_q_add_and_unlock (app_mq, msg);
552 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
554 svm_msg_q_msg_t _msg, *msg = &_msg;
555 session_cleanup_msg_t *mp;
557 session_event_t *evt;
558 app_worker_t *app_wrk;
560 /* Propagate transport cleanup notifications only if app didn't close */
561 if (ntf == SESSION_CLEANUP_TRANSPORT
562 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
565 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
569 app_mq = app_wrk->event_queue;
570 if (mq_try_lock_and_alloc_msg (app_mq, msg))
573 evt = svm_msg_q_msg_data (app_mq, msg);
574 clib_memset (evt, 0, sizeof (*evt));
575 evt->event_type = SESSION_CTRL_EVT_CLEANUP;
576 mp = (session_cleanup_msg_t *) evt->data;
577 mp->handle = session_handle (s);
579 svm_msg_q_add_and_unlock (app_mq, msg);
582 static session_cb_vft_t session_mq_cb_vft = {
583 .session_accept_callback = mq_send_session_accepted_cb,
584 .session_disconnect_callback = mq_send_session_disconnected_cb,
585 .session_connected_callback = mq_send_session_connected_cb,
586 .session_reset_callback = mq_send_session_reset_cb,
587 .session_migrate_callback = mq_send_session_migrate_cb,
588 .session_cleanup_callback = mq_send_session_cleanup_cb,
589 .add_segment_callback = mq_send_add_segment_cb,
590 .del_segment_callback = mq_send_del_segment_cb,
594 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
596 vl_api_session_enable_disable_reply_t *rmp;
597 vlib_main_t *vm = vlib_get_main ();
600 vnet_session_enable_disable (vm, mp->is_enable);
601 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
605 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
607 int rv = 0, *fds = 0, n_fds = 0, n_workers, i;
608 fifo_segment_t *segp, *rx_mqs_seg = 0;
609 vnet_app_attach_args_t _a, *a = &_a;
610 vl_api_app_attach_reply_t *rmp;
611 u8 fd_flags = 0, ctrl_thread;
612 vl_api_registration_t *reg;
616 reg = vl_api_client_index_to_registration (mp->client_index);
620 n_workers = vlib_num_workers ();
621 if (!session_main_is_enabled () || appns_sapi_enabled ())
623 rv = VNET_API_ERROR_FEATURE_DISABLED;
626 /* Only support binary api with socket transport */
627 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
629 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
633 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
634 sizeof (mp->options),
635 "Out of options, fix api message definition");
637 clib_memset (a, 0, sizeof (*a));
638 a->api_client_index = mp->client_index;
639 a->options = mp->options;
640 a->session_cb_vft = &session_mq_cb_vft;
641 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
643 if ((rv = vnet_application_attach (a)))
645 clib_warning ("attach returned: %d", rv);
646 vec_free (a->namespace_id);
649 vec_free (a->namespace_id);
651 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
653 /* Send rx mqs segment */
654 app = application_get (a->app_index);
655 rx_mqs_seg = application_get_rx_mqs_segment (app);
657 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
658 fds[n_fds] = rx_mqs_seg->ssvm.fd;
661 /* Send fifo segment fd if needed */
662 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
664 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
665 fds[n_fds] = a->segment->fd;
668 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
670 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
671 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
675 if (application_use_private_rx_mqs ())
677 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
678 for (i = 0; i < n_workers + 1; i++)
680 rx_mq = application_rx_mq_get (app, i);
681 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
688 REPLY_MACRO2 (VL_API_APP_ATTACH_REPLY, ({
691 ctrl_thread = n_workers ? 1 : 0;
692 segp = (fifo_segment_t *) a->segment;
693 rmp->app_index = clib_host_to_net_u32 (a->app_index);
694 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
695 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
696 rmp->vpp_ctrl_mq_thread = ctrl_thread;
698 rmp->fd_flags = fd_flags;
699 if (vec_len (segp->ssvm.name))
701 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
703 rmp->segment_size = segp->ssvm.ssvm_size;
704 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
710 session_send_fds (reg, fds, n_fds);
715 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
717 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
718 vl_api_app_worker_add_del_reply_t *rmp;
719 vl_api_registration_t *reg;
723 if (!session_main_is_enabled () || appns_sapi_enabled ())
725 rv = VNET_API_ERROR_FEATURE_DISABLED;
729 reg = vl_api_client_index_to_registration (mp->client_index);
733 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
736 rv = VNET_API_ERROR_INVALID_VALUE;
740 vnet_app_worker_add_del_args_t args = {
741 .app_index = app->app_index,
742 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
743 .api_client_index = mp->client_index,
746 rv = vnet_app_worker_add_del (&args);
749 clib_warning ("app worker add/del returned: %d", rv);
756 /* Send fifo segment fd if needed */
757 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
759 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
760 fds[n_fds] = args.segment->fd;
763 if (application_segment_manager_properties (app)->use_mq_eventfd)
765 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
766 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
772 REPLY_MACRO2 (VL_API_APP_WORKER_ADD_DEL_REPLY, ({
773 rmp->is_add = mp->is_add;
774 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
775 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
776 if (!rv && mp->is_add)
778 rmp->app_event_queue_address =
779 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
781 rmp->fd_flags = fd_flags;
782 if (vec_len (args.segment->name))
784 vl_api_vec_to_api_string (args.segment->name, &rmp->segment_name);
791 session_send_fds (reg, fds, n_fds);
795 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
797 vl_api_application_detach_reply_t *rmp;
798 int rv = VNET_API_ERROR_INVALID_VALUE_2;
799 vnet_app_detach_args_t _a, *a = &_a;
802 if (!session_main_is_enabled () || appns_sapi_enabled ())
804 rv = VNET_API_ERROR_FEATURE_DISABLED;
808 app = application_lookup (mp->client_index);
811 a->app_index = app->app_index;
812 a->api_client_index = mp->client_index;
813 rv = vnet_application_detach (a);
817 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
821 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
823 vl_api_app_namespace_add_del_reply_t *rmp;
827 if (session_main_is_enabled () == 0)
829 rv = VNET_API_ERROR_FEATURE_DISABLED;
833 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
835 vnet_app_namespace_add_del_args_t args = {
837 .secret = clib_net_to_host_u64 (mp->secret),
838 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
839 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
840 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
843 rv = vnet_app_namespace_add_del (&args);
846 appns_index = app_namespace_index_from_id (ns_id);
847 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
849 clib_warning ("app ns lookup failed");
850 rv = VNET_API_ERROR_UNSPECIFIED;
857 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
859 rmp->appns_index = clib_host_to_net_u32 (appns_index);
865 vl_api_app_namespace_add_del_v2_t_handler (
866 vl_api_app_namespace_add_del_v2_t *mp)
868 vl_api_app_namespace_add_del_v2_reply_t *rmp;
869 u8 *ns_id = 0, *netns = 0;
873 if (session_main_is_enabled () == 0)
875 rv = VNET_API_ERROR_FEATURE_DISABLED;
879 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
880 mp->netns[sizeof (mp->netns) - 1] = 0;
881 ns_id = format (0, "%s", &mp->namespace_id);
882 netns = format (0, "%s", &mp->netns);
884 vnet_app_namespace_add_del_args_t args = {
887 .secret = clib_net_to_host_u64 (mp->secret),
888 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
889 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
890 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
893 rv = vnet_app_namespace_add_del (&args);
896 appns_index = app_namespace_index_from_id (ns_id);
897 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
899 clib_warning ("app ns lookup failed");
900 rv = VNET_API_ERROR_UNSPECIFIED;
907 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V2_REPLY, ({
909 rmp->appns_index = clib_host_to_net_u32 (appns_index);
914 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
916 vl_api_session_rule_add_del_reply_t *rmp;
917 session_rule_add_del_args_t args;
918 session_rule_table_add_del_args_t *table_args = &args.table_args;
921 clib_memset (&args, 0, sizeof (args));
923 ip_prefix_decode (&mp->lcl, &table_args->lcl);
924 ip_prefix_decode (&mp->rmt, &table_args->rmt);
926 table_args->lcl_port = mp->lcl_port;
927 table_args->rmt_port = mp->rmt_port;
928 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
929 table_args->is_add = mp->is_add;
930 mp->tag[sizeof (mp->tag) - 1] = 0;
931 table_args->tag = format (0, "%s", mp->tag);
932 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
933 args.scope = mp->scope;
934 args.transport_proto =
935 api_session_transport_proto_decode (&mp->transport_proto) ==
936 TRANSPORT_PROTO_UDP ? 1 : 0;
938 rv = vnet_session_rule_add_del (&args);
940 clib_warning ("rule add del returned: %d", rv);
941 vec_free (table_args->tag);
942 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
946 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
947 u8 transport_proto, u32 appns_index, u8 * tag,
948 vl_api_registration_t * reg, u32 context)
950 vl_api_session_rules_details_t *rmp = 0;
951 session_mask_or_match_4_t *match =
952 (session_mask_or_match_4_t *) & rule->match;
953 session_mask_or_match_4_t *mask =
954 (session_mask_or_match_4_t *) & rule->mask;
955 fib_prefix_t lcl, rmt;
957 rmp = vl_msg_api_alloc (sizeof (*rmp));
958 clib_memset (rmp, 0, sizeof (*rmp));
959 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
960 rmp->context = context;
962 clib_memset (&lcl, 0, sizeof (lcl));
963 clib_memset (&rmt, 0, sizeof (rmt));
964 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
965 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
966 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
967 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
969 ip_prefix_encode (&lcl, &rmp->lcl);
970 ip_prefix_encode (&rmt, &rmp->rmt);
971 rmp->lcl_port = match->lcl_port;
972 rmp->rmt_port = match->rmt_port;
973 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
975 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
976 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
977 rmp->appns_index = clib_host_to_net_u32 (appns_index);
980 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
981 rmp->tag[vec_len (tag)] = 0;
984 vl_api_send_msg (reg, (u8 *) rmp);
988 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
989 u8 transport_proto, u32 appns_index, u8 * tag,
990 vl_api_registration_t * reg, u32 context)
992 vl_api_session_rules_details_t *rmp = 0;
993 session_mask_or_match_6_t *match =
994 (session_mask_or_match_6_t *) & rule->match;
995 session_mask_or_match_6_t *mask =
996 (session_mask_or_match_6_t *) & rule->mask;
997 fib_prefix_t lcl, rmt;
999 rmp = vl_msg_api_alloc (sizeof (*rmp));
1000 clib_memset (rmp, 0, sizeof (*rmp));
1001 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
1002 rmp->context = context;
1004 clib_memset (&lcl, 0, sizeof (lcl));
1005 clib_memset (&rmt, 0, sizeof (rmt));
1006 ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
1007 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
1008 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
1009 rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
1011 ip_prefix_encode (&lcl, &rmp->lcl);
1012 ip_prefix_encode (&rmt, &rmp->rmt);
1013 rmp->lcl_port = match->lcl_port;
1014 rmp->rmt_port = match->rmt_port;
1015 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1017 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
1018 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
1019 rmp->appns_index = clib_host_to_net_u32 (appns_index);
1022 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1023 rmp->tag[vec_len (tag)] = 0;
1026 vl_api_send_msg (reg, (u8 *) rmp);
1030 send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
1031 u8 tp, u8 is_local, u32 appns_index,
1032 vl_api_registration_t * reg, u32 context)
1034 mma_rule_16_t *rule16;
1035 mma_rule_40_t *rule40;
1036 mma_rules_table_16_t *srt16;
1037 mma_rules_table_40_t *srt40;
1040 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1044 srt16 = &srt->session_rules_tables_16;
1045 pool_foreach (rule16, srt16->rules) {
1046 ri = mma_rules_table_rule_index_16 (srt16, rule16);
1047 tag = session_rules_table_rule_tag (srt, ri, 1);
1048 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1053 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1057 srt40 = &srt->session_rules_tables_40;
1058 pool_foreach (rule40, srt40->rules) {
1059 ri = mma_rules_table_rule_index_40 (srt40, rule40);
1060 tag = session_rules_table_rule_tag (srt, ri, 1);
1061 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1069 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1071 vl_api_registration_t *reg;
1072 session_table_t *st;
1075 reg = vl_api_client_index_to_registration (mp->client_index);
1080 session_table_foreach (st, ({
1081 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1083 send_session_rules_table_details (&st->session_rules[tp],
1084 st->active_fib_proto, tp,
1085 st->is_local, st->appns_index, reg,
1093 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1095 vl_api_app_add_cert_key_pair_reply_t *rmp;
1096 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1097 u32 certkey_len, key_len, cert_len;
1099 if (session_main_is_enabled () == 0)
1101 rv = VNET_API_ERROR_FEATURE_DISABLED;
1105 cert_len = clib_net_to_host_u16 (mp->cert_len);
1106 if (cert_len > 10000)
1108 rv = VNET_API_ERROR_INVALID_VALUE;
1112 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1113 if (certkey_len < cert_len)
1115 rv = VNET_API_ERROR_INVALID_VALUE;
1119 key_len = certkey_len - cert_len;
1120 if (key_len > 10000)
1122 rv = VNET_API_ERROR_INVALID_VALUE;
1126 clib_memset (a, 0, sizeof (*a));
1127 a->cert = mp->certkey;
1128 a->key = mp->certkey + cert_len;
1129 a->cert_len = cert_len;
1130 a->key_len = key_len;
1131 rv = vnet_app_add_cert_key_pair (a);
1135 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1137 rmp->index = clib_host_to_net_u32 (a->index);
1143 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1145 vl_api_app_del_cert_key_pair_reply_t *rmp;
1148 if (session_main_is_enabled () == 0)
1150 rv = VNET_API_ERROR_FEATURE_DISABLED;
1153 ckpair_index = clib_net_to_host_u32 (mp->index);
1154 rv = vnet_app_del_cert_key_pair (ckpair_index);
1157 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1160 static clib_error_t *
1161 application_reaper_cb (u32 client_index)
1163 application_t *app = application_lookup (client_index);
1164 vnet_app_detach_args_t _a, *a = &_a;
1167 a->app_index = app->app_index;
1168 a->api_client_index = client_index;
1169 vnet_application_detach (a);
1174 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1177 * Socket api functions
1181 sapi_send_fds (app_worker_t * app_wrk, int *fds, int n_fds)
1183 app_sapi_msg_t smsg = { 0 };
1184 app_namespace_t *app_ns;
1189 app = application_get (app_wrk->app_index);
1190 app_ns = app_namespace_get (app->ns_index);
1191 cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
1192 cs = appns_sapi_get_socket (app_ns, cs_index);
1193 if (PREDICT_FALSE (!cs))
1196 /* There's no payload for the message only the type */
1197 smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
1198 clib_socket_sendmsg (cs, &smsg, sizeof (smsg), fds, n_fds);
1202 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1204 int fds[SESSION_N_FD_TYPE], n_fds = 0;
1205 svm_msg_q_msg_t _msg, *msg = &_msg;
1206 session_app_add_segment_msg_t *mp;
1207 app_worker_t *app_wrk;
1208 session_event_t *evt;
1209 svm_msg_q_t *app_mq;
1214 app_wrk = app_worker_get (app_wrk_index);
1216 fs = segment_manager_get_segment_w_handle (segment_handle);
1218 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1220 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1221 fds[n_fds] = sp->fd;
1224 app_mq = app_wrk->event_queue;
1225 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1229 * Send the fd over api socket
1231 sapi_send_fds (app_wrk, fds, n_fds);
1234 * Send the actual message over mq
1236 evt = svm_msg_q_msg_data (app_mq, msg);
1237 clib_memset (evt, 0, sizeof (*evt));
1238 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
1239 mp = (session_app_add_segment_msg_t *) evt->data;
1240 clib_memset (mp, 0, sizeof (*mp));
1241 mp->segment_size = sp->ssvm_size;
1242 mp->fd_flags = fd_flags;
1243 mp->segment_handle = segment_handle;
1244 strncpy ((char *) mp->segment_name, (char *) sp->name,
1245 sizeof (mp->segment_name) - 1);
1247 svm_msg_q_add_and_unlock (app_mq, msg);
1253 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1255 svm_msg_q_msg_t _msg, *msg = &_msg;
1256 session_app_del_segment_msg_t *mp;
1257 app_worker_t *app_wrk;
1258 session_event_t *evt;
1259 svm_msg_q_t *app_mq;
1261 app_wrk = app_worker_get (app_wrk_index);
1263 app_mq = app_wrk->event_queue;
1264 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1267 evt = svm_msg_q_msg_data (app_mq, msg);
1268 clib_memset (evt, 0, sizeof (*evt));
1269 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
1270 mp = (session_app_del_segment_msg_t *) evt->data;
1271 clib_memset (mp, 0, sizeof (*mp));
1272 mp->segment_handle = segment_handle;
1273 svm_msg_q_add_and_unlock (app_mq, msg);
1278 static session_cb_vft_t session_mq_sapi_cb_vft = {
1279 .session_accept_callback = mq_send_session_accepted_cb,
1280 .session_disconnect_callback = mq_send_session_disconnected_cb,
1281 .session_connected_callback = mq_send_session_connected_cb,
1282 .session_reset_callback = mq_send_session_reset_cb,
1283 .session_migrate_callback = mq_send_session_migrate_cb,
1284 .session_cleanup_callback = mq_send_session_cleanup_cb,
1285 .add_segment_callback = mq_send_add_segment_sapi_cb,
1286 .del_segment_callback = mq_send_del_segment_sapi_cb,
1290 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1291 app_sapi_attach_msg_t * mp)
1293 int rv = 0, *fds = 0, n_fds = 0, i, n_workers;
1294 vnet_app_attach_args_t _a, *a = &_a;
1295 app_sapi_attach_reply_msg_t *rmp;
1296 u8 fd_flags = 0, ctrl_thread;
1297 app_ns_api_handle_t *handle;
1298 fifo_segment_t *rx_mqs_seg;
1299 app_sapi_msg_t msg = { 0 };
1300 app_worker_t *app_wrk;
1304 /* Make sure name is null terminated */
1307 clib_memset (a, 0, sizeof (*a));
1308 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1309 a->name = format (0, "%s", (char *) mp->name);
1310 a->options = mp->options;
1311 a->session_cb_vft = &session_mq_sapi_cb_vft;
1312 a->use_sock_api = 1;
1313 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1315 if ((rv = vnet_application_attach (a)))
1317 clib_warning ("attach returned: %d", rv);
1321 n_workers = vlib_num_workers ();
1322 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
1324 /* Send event queues segment */
1325 app = application_get (a->app_index);
1326 rx_mqs_seg = application_get_rx_mqs_segment (app);
1328 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1329 fds[n_fds] = rx_mqs_seg->ssvm.fd;
1332 /* Send fifo segment fd if needed */
1333 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1335 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1336 fds[n_fds] = a->segment->fd;
1339 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1341 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1342 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1346 if (application_use_private_rx_mqs ())
1348 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
1349 for (i = 0; i < n_workers + 1; i++)
1351 rx_mq = application_rx_mq_get (app, i);
1352 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
1359 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1360 rmp = &msg.attach_reply;
1364 ctrl_thread = n_workers ? 1 : 0;
1365 rmp->app_index = a->app_index;
1367 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1368 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
1369 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1371 rmp->fd_flags = fd_flags;
1372 /* No segment name and size since we only support memfds
1373 * in this configuration */
1374 rmp->segment_handle = a->segment_handle;
1375 rmp->api_client_handle = a->api_client_index;
1377 /* Update app index for socket */
1378 handle = (app_ns_api_handle_t *) & cs->private_data;
1379 app_wrk = application_get_worker (app, 0);
1380 handle->aah_app_wrk_index = app_wrk->wrk_index;
1383 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1389 sapi_socket_close_w_handle (u32 api_handle)
1391 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1392 u16 sock_index = api_handle & 0xffff;
1393 app_ns_api_handle_t *handle;
1397 cs = appns_sapi_get_socket (app_ns, sock_index);
1401 handle = (app_ns_api_handle_t *) & cs->private_data;
1402 cf = clib_file_get (&file_main, handle->aah_file_index);
1403 clib_file_del (&file_main, cf);
1405 clib_socket_close (cs);
1406 appns_sapi_free_socket (app_ns, cs);
1410 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1412 app_sapi_worker_add_del_msg_t * mp)
1414 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1415 app_sapi_worker_add_del_reply_msg_t *rmp;
1416 app_ns_api_handle_t *handle;
1417 app_sapi_msg_t msg = { 0 };
1418 app_worker_t *app_wrk;
1419 u32 sapi_handle = -1;
1423 app = application_get_if_valid (mp->app_index);
1426 rv = VNET_API_ERROR_INVALID_VALUE;
1430 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1432 vnet_app_worker_add_del_args_t args = {
1433 .app_index = app->app_index,
1434 .wrk_map_index = mp->wrk_index,
1435 .api_client_index = sapi_handle,
1436 .is_add = mp->is_add
1438 rv = vnet_app_worker_add_del (&args);
1441 clib_warning ("app worker add/del returned: %d", rv);
1447 sapi_socket_close_w_handle (sapi_handle);
1451 /* Send fifo segment fd if needed */
1452 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1454 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1455 fds[n_fds] = args.segment->fd;
1458 if (application_segment_manager_properties (app)->use_mq_eventfd)
1460 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1461 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1467 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1468 rmp = &msg.worker_add_del_reply;
1470 rmp->is_add = mp->is_add;
1471 rmp->api_client_handle = sapi_handle;
1472 rmp->wrk_index = args.wrk_map_index;
1473 rmp->segment_handle = args.segment_handle;
1474 if (!rv && mp->is_add)
1476 /* No segment name and size. This supports only memfds */
1477 rmp->app_event_queue_address =
1478 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1480 rmp->fd_flags = fd_flags;
1482 /* Update app index for socket */
1483 handle = (app_ns_api_handle_t *) & cs->private_data;
1484 app_wrk = application_get_worker (app, args.wrk_map_index);
1485 handle->aah_app_wrk_index = app_wrk->wrk_index;
1488 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1492 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1494 app_ns_api_handle_t *handle;
1495 app_worker_t *app_wrk;
1496 u32 api_client_handle;
1498 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1499 sapi_socket_close_w_handle (api_client_handle);
1501 /* Cleanup everything because app worker closed socket or crashed */
1502 handle = (app_ns_api_handle_t *) & cs->private_data;
1503 app_wrk = app_worker_get (handle->aah_app_wrk_index);
1505 vnet_app_worker_add_del_args_t args = {
1506 .app_index = app_wrk->app_index,
1507 .wrk_map_index = app_wrk->wrk_map_index,
1508 .api_client_index = api_client_handle,
1511 /* Send rpc to main thread for worker barrier */
1512 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1516 static clib_error_t *
1517 sapi_sock_read_ready (clib_file_t * cf)
1519 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1520 vlib_main_t *vm = vlib_get_main ();
1521 app_sapi_msg_t msg = { 0 };
1522 app_namespace_t *app_ns;
1523 clib_error_t *err = 0;
1526 app_ns = app_namespace_get (handle->aah_app_ns_index);
1527 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1531 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1534 clib_error_free (err);
1535 sapi_socket_detach (app_ns, cs);
1539 handle = (app_ns_api_handle_t *) & cs->private_data;
1541 vlib_worker_thread_barrier_sync (vm);
1545 case APP_SAPI_MSG_TYPE_ATTACH:
1546 session_api_attach_handler (app_ns, cs, &msg.attach);
1548 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1549 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1552 clib_warning ("app wrk %u unknown message type: %u",
1553 handle->aah_app_wrk_index, msg.type);
1557 vlib_worker_thread_barrier_release (vm);
1563 static clib_error_t *
1564 sapi_sock_write_ready (clib_file_t * cf)
1566 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1567 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1571 static clib_error_t *
1572 sapi_sock_error (clib_file_t * cf)
1574 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1575 app_namespace_t *app_ns;
1578 app_ns = app_namespace_get (handle->aah_app_ns_index);
1579 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1583 sapi_socket_detach (app_ns, cs);
1587 static clib_error_t *
1588 sapi_sock_accept_ready (clib_file_t * scf)
1590 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1591 app_namespace_t *app_ns;
1592 clib_file_t cf = { 0 };
1593 clib_error_t *err = 0;
1594 clib_socket_t *ccs, *scs;
1596 /* Listener files point to namespace */
1597 app_ns = app_namespace_get (handle.aah_app_ns_index);
1600 * Initialize client socket
1602 ccs = appns_sapi_alloc_socket (app_ns);
1604 /* Grab server socket after client is initialized */
1605 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1609 err = clib_socket_accept (scs, ccs);
1612 clib_error_report (err);
1616 cf.read_function = sapi_sock_read_ready;
1617 cf.write_function = sapi_sock_write_ready;
1618 cf.error_function = sapi_sock_error;
1619 cf.file_descriptor = ccs->fd;
1620 /* File points to app namespace and socket */
1621 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1622 cf.private_data = handle.as_u64;
1623 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1625 /* Poll until we get an attach message. Socket points to file and
1626 * application that owns the socket */
1627 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1628 handle.aah_file_index = clib_file_add (&file_main, &cf);
1629 ccs->private_data = handle.as_u64;
1634 appns_sapi_free_socket (app_ns, ccs);
1639 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1641 char *subdir = "/app_ns_sockets/";
1642 app_ns_api_handle_t *handle;
1643 clib_file_t cf = { 0 };
1644 struct stat file_stat;
1650 vec_add (dir, vlib_unix_get_runtime_dir (),
1651 strlen (vlib_unix_get_runtime_dir ()));
1652 vec_add (dir, (u8 *) subdir, strlen (subdir));
1654 err = vlib_unix_recursive_mkdir ((char *) dir);
1657 clib_error_report (err);
1662 /* Use abstract sockets if a netns was provided */
1664 app_ns->sock_name = format (0, "@vpp/session/%v%c", app_ns->ns_id, 0);
1666 app_ns->sock_name = format (0, "%v%v%c", dir, app_ns->ns_id, 0);
1669 * Create and initialize socket to listen on
1671 cs = appns_sapi_alloc_socket (app_ns);
1672 cs->config = (char *) app_ns->sock_name;
1673 cs->flags = CLIB_SOCKET_F_IS_SERVER |
1674 CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1675 CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1677 if ((err = clib_socket_init_netns (cs, app_ns->netns)))
1679 clib_error_report (err);
1684 if (!app_ns->netns && stat ((char *) app_ns->sock_name, &file_stat) == -1)
1693 cf.read_function = sapi_sock_accept_ready;
1694 cf.file_descriptor = cs->fd;
1695 /* File points to namespace */
1696 handle = (app_ns_api_handle_t *) & cf.private_data;
1697 handle->aah_app_ns_index = app_namespace_index (app_ns);
1698 handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1699 cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1701 /* Socket points to clib file index */
1702 handle = (app_ns_api_handle_t *) & cs->private_data;
1703 handle->aah_file_index = clib_file_add (&file_main, &cf);
1704 handle->aah_app_wrk_index = APP_INVALID_INDEX;
1712 vl_api_application_tls_cert_add_t_handler (
1713 vl_api_application_tls_cert_add_t *mp)
1719 vl_api_application_tls_key_add_t_handler (vl_api_application_tls_key_add_t *mp)
1724 #include <vnet/session/session.api.c>
1725 static clib_error_t *
1726 session_api_hookup (vlib_main_t *vm)
1729 * Set up the (msg_name, crc, message-id) table
1731 REPLY_MSG_ID_BASE = setup_message_id_table ();
1736 VLIB_API_INIT_FUNCTION (session_api_hookup);
1739 * fd.io coding-style-patch-verification: ON
1742 * eval: (c-set-style "gnu")