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;
131 session_accepted_msg_t m = { 0 };
133 fifo_segment_t *eq_seg;
135 session_event_t *evt;
138 app = application_get (app_wrk->app_index);
140 m.context = app->app_index;
141 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
142 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
143 m.segment_handle = session_segment_handle (s);
146 eq_seg = application_get_rx_mqs_segment (app);
148 if (session_has_transport (s))
150 listener = listen_session_get_from_handle (s->listener_handle);
151 m.listener_handle = app_listen_session_handle (listener);
152 if (application_is_proxy (app))
155 app_worker_first_listener (app_wrk, session_get_fib_proto (s),
156 session_get_transport_proto (s));
158 m.listener_handle = listen_session_get_handle (listener);
160 m.vpp_event_queue_address =
161 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
162 m.mq_index = s->thread_index;
163 m.handle = session_handle (s);
165 session_get_endpoint (s, &m.rmt, 0 /* is_lcl */);
171 ct = (ct_connection_t *) session_get_transport (s);
172 listener = listen_session_get_from_handle (s->listener_handle);
173 m.listener_handle = app_listen_session_handle (listener);
174 m.rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
175 m.rmt.port = ct->c_rmt_port;
176 m.handle = session_handle (s);
177 m.vpp_event_queue_address =
178 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
179 m.mq_index = s->thread_index;
182 app_mq = app_wrk->event_queue;
183 if (mq_try_lock_and_alloc_msg (app_mq, msg))
184 return SESSION_E_MQ_MSG_ALLOC;
186 evt = svm_msg_q_msg_data (app_mq, msg);
187 clib_memset (evt, 0, sizeof (*evt));
188 evt->event_type = SESSION_CTRL_EVT_ACCEPTED;
189 clib_memcpy_fast (evt->data, &m, sizeof (m));
190 svm_msg_q_add_and_unlock (app_mq, msg);
196 mq_send_session_close_evt (app_worker_t * app_wrk, session_handle_t sh,
197 session_evt_type_t evt_type)
199 svm_msg_q_msg_t _msg, *msg = &_msg;
200 session_disconnected_msg_t *mp;
202 session_event_t *evt;
204 app_mq = app_wrk->event_queue;
205 if (mq_try_lock_and_alloc_msg (app_mq, msg))
207 evt = svm_msg_q_msg_data (app_mq, msg);
208 clib_memset (evt, 0, sizeof (*evt));
209 evt->event_type = evt_type;
210 mp = (session_disconnected_msg_t *) evt->data;
212 mp->context = app_wrk->api_client_index;
213 svm_msg_q_add_and_unlock (app_mq, msg);
217 mq_notify_close_subscribers (u32 app_index, session_handle_t sh,
218 svm_fifo_t * f, session_evt_type_t evt_type)
220 app_worker_t *app_wrk;
224 app = application_get (app_index);
228 for (i = 0; i < f->shr->n_subscribers; i++)
230 if (!(app_wrk = application_get_worker (app, f->shr->subscribers[i])))
232 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
237 mq_send_session_disconnected_cb (session_t * s)
239 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
240 session_handle_t sh = session_handle (s);
242 mq_send_session_close_evt (app_wrk, session_handle (s),
243 SESSION_CTRL_EVT_DISCONNECTED);
245 if (svm_fifo_n_subscribers (s->rx_fifo))
246 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
247 SESSION_CTRL_EVT_DISCONNECTED);
251 mq_send_session_reset_cb (session_t * s)
253 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
254 session_handle_t sh = session_handle (s);
256 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_RESET);
258 if (svm_fifo_n_subscribers (s->rx_fifo))
259 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
260 SESSION_CTRL_EVT_RESET);
264 mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
265 session_t * s, session_error_t err)
267 svm_msg_q_msg_t _msg, *msg = &_msg;
268 session_connected_msg_t m = { 0 };
270 transport_connection_t *tc;
271 fifo_segment_t *eq_seg;
272 app_worker_t *app_wrk;
273 session_event_t *evt;
276 app_wrk = app_worker_get (app_wrk_index);
278 m.context = api_context;
284 app = application_get (app_wrk->app_index);
285 eq_seg = application_get_rx_mqs_segment (app);
287 if (session_has_transport (s))
289 tc = session_get_transport (s);
292 clib_warning ("failed to retrieve transport!");
293 m.retval = SESSION_E_REFUSED;
297 m.handle = session_handle (s);
298 m.vpp_event_queue_address =
299 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
301 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
303 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
304 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
305 m.segment_handle = session_segment_handle (s);
306 s->rx_fifo->shr->client_session_index = api_context;
307 s->tx_fifo->shr->client_session_index = api_context;
311 ct_connection_t *cct;
314 cct = (ct_connection_t *) session_get_transport (s);
315 m.handle = session_handle (s);
316 m.lcl.port = cct->c_lcl_port;
317 m.lcl.is_ip4 = cct->c_is_ip4;
318 m.vpp_event_queue_address =
319 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
320 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
321 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
322 m.segment_handle = session_segment_handle (s);
323 ss = ct_session_get_peer (s);
324 m.ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
325 m.ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
326 m.ct_segment_handle = session_segment_handle (ss);
331 app_mq = app_wrk->event_queue;
333 if (mq_try_lock_and_alloc_msg (app_mq, msg))
334 return SESSION_E_MQ_MSG_ALLOC;
336 evt = svm_msg_q_msg_data (app_mq, msg);
337 clib_memset (evt, 0, sizeof (*evt));
338 evt->event_type = SESSION_CTRL_EVT_CONNECTED;
339 clib_memcpy_fast (evt->data, &m, sizeof (m));
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;
350 session_bound_msg_t m = { 0 };
352 transport_endpoint_t tep;
353 fifo_segment_t *eq_seg;
354 app_worker_t *app_wrk;
355 session_event_t *evt;
360 app_wrk = app_worker_get (app_wrk_index);
362 m.context = api_context;
369 al = app_listener_get_w_handle (handle);
370 if (al->session_index != SESSION_INVALID_INDEX)
371 ls = app_listener_get_session (al);
373 ls = app_listener_get_local_session (al);
375 session_get_endpoint (ls, &tep, 1 /* is_lcl */);
376 m.lcl_port = tep.port;
377 m.lcl_is_ip4 = tep.is_ip4;
378 clib_memcpy_fast (m.lcl_ip, &tep.ip, sizeof (tep.ip));
379 app = application_get (app_wrk->app_index);
380 eq_seg = application_get_rx_mqs_segment (app);
381 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
383 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL &&
386 m.rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
387 m.tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
388 m.segment_handle = session_segment_handle (ls);
393 app_mq = app_wrk->event_queue;
395 if (mq_try_lock_and_alloc_msg (app_mq, msg))
396 return SESSION_E_MQ_MSG_ALLOC;
398 evt = svm_msg_q_msg_data (app_mq, msg);
399 clib_memset (evt, 0, sizeof (*evt));
400 evt->event_type = SESSION_CTRL_EVT_BOUND;
401 clib_memcpy_fast (evt->data, &m, sizeof (m));
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 m = { 0 };
435 fifo_segment_t *eq_seg;
436 app_worker_t *app_wrk;
437 session_event_t *evt;
442 thread_index = session_thread_from_handle (new_sh);
443 app_wrk = app_worker_get (s->app_wrk_index);
444 app_mq = app_wrk->event_queue;
445 app = application_get (app_wrk->app_index);
446 eq_seg = application_get_rx_mqs_segment (app);
448 m.handle = session_handle (s);
449 m.new_handle = new_sh;
450 m.vpp_thread_index = thread_index;
451 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
452 m.segment_handle = SESSION_INVALID_HANDLE;
454 if (mq_try_lock_and_alloc_msg (app_mq, msg))
457 evt = svm_msg_q_msg_data (app_mq, msg);
458 clib_memset (evt, 0, sizeof (*evt));
459 evt->event_type = SESSION_CTRL_EVT_MIGRATED;
460 clib_memcpy_fast (evt->data, &m, sizeof (m));
462 svm_msg_q_add_and_unlock (app_mq, msg);
466 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
468 int fds[SESSION_N_FD_TYPE], n_fds = 0;
469 svm_msg_q_msg_t _msg, *msg = &_msg;
470 session_app_add_segment_msg_t *mp;
471 vl_api_registration_t *reg;
472 app_worker_t *app_wrk;
473 session_event_t *evt;
479 app_wrk = app_worker_get (app_wrk_index);
481 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
484 clib_warning ("no api registration for client: %u",
485 app_wrk->api_client_index);
489 fs = segment_manager_get_segment_w_handle (segment_handle);
491 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
493 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
495 clib_warning ("can't send memfd fd");
499 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
504 app_mq = app_wrk->event_queue;
505 if (mq_try_lock_and_alloc_msg (app_mq, msg))
509 session_send_fds (reg, fds, n_fds);
511 evt = svm_msg_q_msg_data (app_mq, msg);
512 clib_memset (evt, 0, sizeof (*evt));
513 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
514 mp = (session_app_add_segment_msg_t *) evt->data;
515 clib_memset (mp, 0, sizeof (*mp));
516 mp->segment_size = sp->ssvm_size;
517 mp->fd_flags = fd_flags;
518 mp->segment_handle = segment_handle;
519 strncpy ((char *) mp->segment_name, (char *) sp->name,
520 sizeof (mp->segment_name) - 1);
522 svm_msg_q_add_and_unlock (app_mq, msg);
528 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
530 svm_msg_q_msg_t _msg, *msg = &_msg;
531 session_app_del_segment_msg_t *mp;
532 vl_api_registration_t *reg;
533 app_worker_t *app_wrk;
534 session_event_t *evt;
537 app_wrk = app_worker_get (app_wrk_index);
538 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
541 clib_warning ("no registration: %u", app_wrk->api_client_index);
545 app_mq = app_wrk->event_queue;
546 if (mq_try_lock_and_alloc_msg (app_mq, msg))
549 evt = svm_msg_q_msg_data (app_mq, msg);
550 clib_memset (evt, 0, sizeof (*evt));
551 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
552 mp = (session_app_del_segment_msg_t *) evt->data;
553 clib_memset (mp, 0, sizeof (*mp));
554 mp->segment_handle = segment_handle;
555 svm_msg_q_add_and_unlock (app_mq, msg);
561 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
563 svm_msg_q_msg_t _msg, *msg = &_msg;
564 session_cleanup_msg_t *mp;
566 session_event_t *evt;
567 app_worker_t *app_wrk;
569 /* Propagate transport cleanup notifications only if app didn't close */
570 if (ntf == SESSION_CLEANUP_TRANSPORT
571 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
574 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
578 app_mq = app_wrk->event_queue;
579 if (mq_try_lock_and_alloc_msg (app_mq, msg))
582 evt = svm_msg_q_msg_data (app_mq, msg);
583 clib_memset (evt, 0, sizeof (*evt));
584 evt->event_type = SESSION_CTRL_EVT_CLEANUP;
585 mp = (session_cleanup_msg_t *) evt->data;
586 mp->handle = session_handle (s);
588 svm_msg_q_add_and_unlock (app_mq, msg);
591 static session_cb_vft_t session_mq_cb_vft = {
592 .session_accept_callback = mq_send_session_accepted_cb,
593 .session_disconnect_callback = mq_send_session_disconnected_cb,
594 .session_connected_callback = mq_send_session_connected_cb,
595 .session_reset_callback = mq_send_session_reset_cb,
596 .session_migrate_callback = mq_send_session_migrate_cb,
597 .session_cleanup_callback = mq_send_session_cleanup_cb,
598 .add_segment_callback = mq_send_add_segment_cb,
599 .del_segment_callback = mq_send_del_segment_cb,
603 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
605 vl_api_session_enable_disable_reply_t *rmp;
606 vlib_main_t *vm = vlib_get_main ();
609 vnet_session_enable_disable (vm, mp->is_enable);
610 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
614 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
616 int rv = 0, *fds = 0, n_fds = 0, n_workers, i;
617 fifo_segment_t *segp, *rx_mqs_seg = 0;
618 vnet_app_attach_args_t _a, *a = &_a;
619 vl_api_app_attach_reply_t *rmp;
620 u8 fd_flags = 0, ctrl_thread;
621 vl_api_registration_t *reg;
625 reg = vl_api_client_index_to_registration (mp->client_index);
629 n_workers = vlib_num_workers ();
630 if (!session_main_is_enabled () || appns_sapi_enabled ())
632 rv = VNET_API_ERROR_FEATURE_DISABLED;
635 /* Only support binary api with socket transport */
636 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
638 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
642 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
643 sizeof (mp->options),
644 "Out of options, fix api message definition");
646 clib_memset (a, 0, sizeof (*a));
647 a->api_client_index = mp->client_index;
648 a->options = mp->options;
649 a->session_cb_vft = &session_mq_cb_vft;
650 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
652 if ((rv = vnet_application_attach (a)))
654 clib_warning ("attach returned: %d", rv);
655 vec_free (a->namespace_id);
658 vec_free (a->namespace_id);
660 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
662 /* Send rx mqs segment */
663 app = application_get (a->app_index);
664 rx_mqs_seg = application_get_rx_mqs_segment (app);
666 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
667 fds[n_fds] = rx_mqs_seg->ssvm.fd;
670 /* Send fifo segment fd if needed */
671 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
673 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
674 fds[n_fds] = a->segment->fd;
677 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
679 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
680 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
684 if (application_use_private_rx_mqs ())
686 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
687 for (i = 0; i < n_workers + 1; i++)
689 rx_mq = application_rx_mq_get (app, i);
690 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
697 REPLY_MACRO2 (VL_API_APP_ATTACH_REPLY, ({
700 ctrl_thread = n_workers ? 1 : 0;
701 segp = (fifo_segment_t *) a->segment;
702 rmp->app_index = clib_host_to_net_u32 (a->app_index);
703 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
704 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
705 rmp->vpp_ctrl_mq_thread = ctrl_thread;
707 rmp->fd_flags = fd_flags;
708 if (vec_len (segp->ssvm.name))
710 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
712 rmp->segment_size = segp->ssvm.ssvm_size;
713 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
719 session_send_fds (reg, fds, n_fds);
724 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
726 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
727 vl_api_app_worker_add_del_reply_t *rmp;
728 vl_api_registration_t *reg;
732 if (!session_main_is_enabled () || appns_sapi_enabled ())
734 rv = VNET_API_ERROR_FEATURE_DISABLED;
738 reg = vl_api_client_index_to_registration (mp->client_index);
742 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
745 rv = VNET_API_ERROR_INVALID_VALUE;
749 vnet_app_worker_add_del_args_t args = {
750 .app_index = app->app_index,
751 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
752 .api_client_index = mp->client_index,
755 rv = vnet_app_worker_add_del (&args);
758 clib_warning ("app worker add/del returned: %d", rv);
765 /* Send fifo segment fd if needed */
766 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
768 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
769 fds[n_fds] = args.segment->fd;
772 if (application_segment_manager_properties (app)->use_mq_eventfd)
774 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
775 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
781 REPLY_MACRO2 (VL_API_APP_WORKER_ADD_DEL_REPLY, ({
782 rmp->is_add = mp->is_add;
783 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
784 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
785 if (!rv && mp->is_add)
787 rmp->app_event_queue_address =
788 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
790 rmp->fd_flags = fd_flags;
791 if (vec_len (args.segment->name))
793 vl_api_vec_to_api_string (args.segment->name, &rmp->segment_name);
800 session_send_fds (reg, fds, n_fds);
804 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
806 vl_api_application_detach_reply_t *rmp;
807 int rv = VNET_API_ERROR_INVALID_VALUE_2;
808 vnet_app_detach_args_t _a, *a = &_a;
811 if (!session_main_is_enabled () || appns_sapi_enabled ())
813 rv = VNET_API_ERROR_FEATURE_DISABLED;
817 app = application_lookup (mp->client_index);
820 a->app_index = app->app_index;
821 a->api_client_index = mp->client_index;
822 rv = vnet_application_detach (a);
826 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
830 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
832 vl_api_app_namespace_add_del_reply_t *rmp;
836 if (session_main_is_enabled () == 0)
838 rv = VNET_API_ERROR_FEATURE_DISABLED;
842 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
844 vnet_app_namespace_add_del_args_t args = {
846 .secret = clib_net_to_host_u64 (mp->secret),
847 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
848 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
849 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
852 rv = vnet_app_namespace_add_del (&args);
855 appns_index = app_namespace_index_from_id (ns_id);
856 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
858 clib_warning ("app ns lookup failed");
859 rv = VNET_API_ERROR_UNSPECIFIED;
866 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
868 rmp->appns_index = clib_host_to_net_u32 (appns_index);
874 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
876 vl_api_session_rule_add_del_reply_t *rmp;
877 session_rule_add_del_args_t args;
878 session_rule_table_add_del_args_t *table_args = &args.table_args;
881 clib_memset (&args, 0, sizeof (args));
883 ip_prefix_decode (&mp->lcl, &table_args->lcl);
884 ip_prefix_decode (&mp->rmt, &table_args->rmt);
886 table_args->lcl_port = mp->lcl_port;
887 table_args->rmt_port = mp->rmt_port;
888 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
889 table_args->is_add = mp->is_add;
890 mp->tag[sizeof (mp->tag) - 1] = 0;
891 table_args->tag = format (0, "%s", mp->tag);
892 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
893 args.scope = mp->scope;
894 args.transport_proto =
895 api_session_transport_proto_decode (&mp->transport_proto) ==
896 TRANSPORT_PROTO_UDP ? 1 : 0;
898 rv = vnet_session_rule_add_del (&args);
900 clib_warning ("rule add del returned: %d", rv);
901 vec_free (table_args->tag);
902 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
906 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
907 u8 transport_proto, u32 appns_index, u8 * tag,
908 vl_api_registration_t * reg, u32 context)
910 vl_api_session_rules_details_t *rmp = 0;
911 session_mask_or_match_4_t *match =
912 (session_mask_or_match_4_t *) & rule->match;
913 session_mask_or_match_4_t *mask =
914 (session_mask_or_match_4_t *) & rule->mask;
915 fib_prefix_t lcl, rmt;
917 rmp = vl_msg_api_alloc (sizeof (*rmp));
918 clib_memset (rmp, 0, sizeof (*rmp));
919 rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
920 rmp->context = context;
922 clib_memset (&lcl, 0, sizeof (lcl));
923 clib_memset (&rmt, 0, sizeof (rmt));
924 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
925 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
926 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
927 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
929 ip_prefix_encode (&lcl, &rmp->lcl);
930 ip_prefix_encode (&rmt, &rmp->rmt);
931 rmp->lcl_port = match->lcl_port;
932 rmp->rmt_port = match->rmt_port;
933 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
935 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
936 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
937 rmp->appns_index = clib_host_to_net_u32 (appns_index);
940 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
941 rmp->tag[vec_len (tag)] = 0;
944 vl_api_send_msg (reg, (u8 *) rmp);
948 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
949 u8 transport_proto, u32 appns_index, u8 * tag,
950 vl_api_registration_t * reg, u32 context)
952 vl_api_session_rules_details_t *rmp = 0;
953 session_mask_or_match_6_t *match =
954 (session_mask_or_match_6_t *) & rule->match;
955 session_mask_or_match_6_t *mask =
956 (session_mask_or_match_6_t *) & rule->mask;
957 fib_prefix_t lcl, rmt;
959 rmp = vl_msg_api_alloc (sizeof (*rmp));
960 clib_memset (rmp, 0, sizeof (*rmp));
961 rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
962 rmp->context = context;
964 clib_memset (&lcl, 0, sizeof (lcl));
965 clib_memset (&rmt, 0, sizeof (rmt));
966 ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
967 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
968 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
969 rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
971 ip_prefix_encode (&lcl, &rmp->lcl);
972 ip_prefix_encode (&rmt, &rmp->rmt);
973 rmp->lcl_port = match->lcl_port;
974 rmp->rmt_port = match->rmt_port;
975 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
977 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
978 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
979 rmp->appns_index = clib_host_to_net_u32 (appns_index);
982 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
983 rmp->tag[vec_len (tag)] = 0;
986 vl_api_send_msg (reg, (u8 *) rmp);
990 send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
991 u8 tp, u8 is_local, u32 appns_index,
992 vl_api_registration_t * reg, u32 context)
994 mma_rule_16_t *rule16;
995 mma_rule_40_t *rule40;
996 mma_rules_table_16_t *srt16;
997 mma_rules_table_40_t *srt40;
1000 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1004 srt16 = &srt->session_rules_tables_16;
1005 pool_foreach (rule16, srt16->rules) {
1006 ri = mma_rules_table_rule_index_16 (srt16, rule16);
1007 tag = session_rules_table_rule_tag (srt, ri, 1);
1008 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1013 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1017 srt40 = &srt->session_rules_tables_40;
1018 pool_foreach (rule40, srt40->rules) {
1019 ri = mma_rules_table_rule_index_40 (srt40, rule40);
1020 tag = session_rules_table_rule_tag (srt, ri, 1);
1021 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1029 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1031 vl_api_registration_t *reg;
1032 session_table_t *st;
1035 reg = vl_api_client_index_to_registration (mp->client_index);
1040 session_table_foreach (st, ({
1041 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1043 send_session_rules_table_details (&st->session_rules[tp],
1044 st->active_fib_proto, tp,
1045 st->is_local, st->appns_index, reg,
1053 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1055 vl_api_app_add_cert_key_pair_reply_t *rmp;
1056 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1057 u32 certkey_len, key_len, cert_len;
1059 if (session_main_is_enabled () == 0)
1061 rv = VNET_API_ERROR_FEATURE_DISABLED;
1065 cert_len = clib_net_to_host_u16 (mp->cert_len);
1066 if (cert_len > 10000)
1068 rv = VNET_API_ERROR_INVALID_VALUE;
1072 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1073 if (certkey_len < cert_len)
1075 rv = VNET_API_ERROR_INVALID_VALUE;
1079 key_len = certkey_len - cert_len;
1080 if (key_len > 10000)
1082 rv = VNET_API_ERROR_INVALID_VALUE;
1086 clib_memset (a, 0, sizeof (*a));
1087 a->cert = mp->certkey;
1088 a->key = mp->certkey + cert_len;
1089 a->cert_len = cert_len;
1090 a->key_len = key_len;
1091 rv = vnet_app_add_cert_key_pair (a);
1095 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1097 rmp->index = clib_host_to_net_u32 (a->index);
1103 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1105 vl_api_app_del_cert_key_pair_reply_t *rmp;
1108 if (session_main_is_enabled () == 0)
1110 rv = VNET_API_ERROR_FEATURE_DISABLED;
1113 ckpair_index = clib_net_to_host_u32 (mp->index);
1114 rv = vnet_app_del_cert_key_pair (ckpair_index);
1117 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1120 static clib_error_t *
1121 application_reaper_cb (u32 client_index)
1123 application_t *app = application_lookup (client_index);
1124 vnet_app_detach_args_t _a, *a = &_a;
1127 a->app_index = app->app_index;
1128 a->api_client_index = client_index;
1129 vnet_application_detach (a);
1134 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1136 #define vl_msg_name_crc_list
1137 #include <vnet/vnet_all_api_h.h>
1138 #undef vl_msg_name_crc_list
1141 setup_message_id_table (api_main_t * am)
1143 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1144 foreach_vl_msg_name_crc_session;
1149 * session_api_hookup
1150 * Add uri's API message handlers to the table.
1151 * vlib has already mapped shared memory and
1152 * added the client registration handlers.
1153 * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
1155 static clib_error_t *
1156 session_api_hookup (vlib_main_t * vm)
1158 api_main_t *am = vlibapi_get_main ();
1161 vl_msg_api_set_handlers(VL_API_##N, #n, \
1162 vl_api_##n##_t_handler, \
1164 vl_api_##n##_t_endian, \
1165 vl_api_##n##_t_print, \
1166 sizeof(vl_api_##n##_t), 1);
1167 foreach_session_api_msg;
1171 * Set up the (msg_name, crc, message-id) table
1173 setup_message_id_table (am);
1178 VLIB_API_INIT_FUNCTION (session_api_hookup);
1181 * Socket api functions
1185 sapi_send_fds (app_worker_t * app_wrk, int *fds, int n_fds)
1187 app_sapi_msg_t smsg = { 0 };
1188 app_namespace_t *app_ns;
1193 app = application_get (app_wrk->app_index);
1194 app_ns = app_namespace_get (app->ns_index);
1195 cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
1196 cs = appns_sapi_get_socket (app_ns, cs_index);
1197 if (PREDICT_FALSE (!cs))
1200 /* There's no payload for the message only the type */
1201 smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
1202 clib_socket_sendmsg (cs, &smsg, sizeof (smsg), fds, n_fds);
1206 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1208 int fds[SESSION_N_FD_TYPE], n_fds = 0;
1209 svm_msg_q_msg_t _msg, *msg = &_msg;
1210 session_app_add_segment_msg_t *mp;
1211 app_worker_t *app_wrk;
1212 session_event_t *evt;
1213 svm_msg_q_t *app_mq;
1218 app_wrk = app_worker_get (app_wrk_index);
1220 fs = segment_manager_get_segment_w_handle (segment_handle);
1222 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1224 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1225 fds[n_fds] = sp->fd;
1228 app_mq = app_wrk->event_queue;
1229 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1233 * Send the fd over api socket
1235 sapi_send_fds (app_wrk, fds, n_fds);
1238 * Send the actual message over mq
1240 evt = svm_msg_q_msg_data (app_mq, msg);
1241 clib_memset (evt, 0, sizeof (*evt));
1242 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
1243 mp = (session_app_add_segment_msg_t *) evt->data;
1244 clib_memset (mp, 0, sizeof (*mp));
1245 mp->segment_size = sp->ssvm_size;
1246 mp->fd_flags = fd_flags;
1247 mp->segment_handle = segment_handle;
1248 strncpy ((char *) mp->segment_name, (char *) sp->name,
1249 sizeof (mp->segment_name) - 1);
1251 svm_msg_q_add_and_unlock (app_mq, msg);
1257 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1259 svm_msg_q_msg_t _msg, *msg = &_msg;
1260 session_app_del_segment_msg_t *mp;
1261 app_worker_t *app_wrk;
1262 session_event_t *evt;
1263 svm_msg_q_t *app_mq;
1265 app_wrk = app_worker_get (app_wrk_index);
1267 app_mq = app_wrk->event_queue;
1268 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1271 evt = svm_msg_q_msg_data (app_mq, msg);
1272 clib_memset (evt, 0, sizeof (*evt));
1273 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
1274 mp = (session_app_del_segment_msg_t *) evt->data;
1275 clib_memset (mp, 0, sizeof (*mp));
1276 mp->segment_handle = segment_handle;
1277 svm_msg_q_add_and_unlock (app_mq, msg);
1282 static session_cb_vft_t session_mq_sapi_cb_vft = {
1283 .session_accept_callback = mq_send_session_accepted_cb,
1284 .session_disconnect_callback = mq_send_session_disconnected_cb,
1285 .session_connected_callback = mq_send_session_connected_cb,
1286 .session_reset_callback = mq_send_session_reset_cb,
1287 .session_migrate_callback = mq_send_session_migrate_cb,
1288 .session_cleanup_callback = mq_send_session_cleanup_cb,
1289 .add_segment_callback = mq_send_add_segment_sapi_cb,
1290 .del_segment_callback = mq_send_del_segment_sapi_cb,
1294 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1295 app_sapi_attach_msg_t * mp)
1297 int rv = 0, *fds = 0, n_fds = 0, i, n_workers;
1298 vnet_app_attach_args_t _a, *a = &_a;
1299 app_sapi_attach_reply_msg_t *rmp;
1300 u8 fd_flags = 0, ctrl_thread;
1301 app_ns_api_handle_t *handle;
1302 fifo_segment_t *rx_mqs_seg;
1303 app_sapi_msg_t msg = { 0 };
1304 app_worker_t *app_wrk;
1308 /* Make sure name is null terminated */
1311 clib_memset (a, 0, sizeof (*a));
1312 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1313 a->name = format (0, "%s", (char *) mp->name);
1314 a->options = mp->options;
1315 a->session_cb_vft = &session_mq_sapi_cb_vft;
1316 a->use_sock_api = 1;
1317 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1319 if ((rv = vnet_application_attach (a)))
1321 clib_warning ("attach returned: %d", rv);
1325 n_workers = vlib_num_workers ();
1326 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
1328 /* Send event queues segment */
1329 app = application_get (a->app_index);
1330 rx_mqs_seg = application_get_rx_mqs_segment (app);
1332 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1333 fds[n_fds] = rx_mqs_seg->ssvm.fd;
1336 /* Send fifo segment fd if needed */
1337 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1339 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1340 fds[n_fds] = a->segment->fd;
1343 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1345 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1346 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1350 if (application_use_private_rx_mqs ())
1352 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
1353 for (i = 0; i < n_workers + 1; i++)
1355 rx_mq = application_rx_mq_get (app, i);
1356 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
1363 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1364 rmp = &msg.attach_reply;
1368 ctrl_thread = n_workers ? 1 : 0;
1369 rmp->app_index = a->app_index;
1371 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1372 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
1373 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1375 rmp->fd_flags = fd_flags;
1376 /* No segment name and size since we only support memfds
1377 * in this configuration */
1378 rmp->segment_handle = a->segment_handle;
1379 rmp->api_client_handle = a->api_client_index;
1381 /* Update app index for socket */
1382 handle = (app_ns_api_handle_t *) & cs->private_data;
1383 app_wrk = application_get_worker (app, 0);
1384 handle->aah_app_wrk_index = app_wrk->wrk_index;
1387 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1393 sapi_socket_close_w_handle (u32 api_handle)
1395 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1396 u16 sock_index = api_handle & 0xffff;
1397 app_ns_api_handle_t *handle;
1401 cs = appns_sapi_get_socket (app_ns, sock_index);
1405 handle = (app_ns_api_handle_t *) & cs->private_data;
1406 cf = clib_file_get (&file_main, handle->aah_file_index);
1407 clib_file_del (&file_main, cf);
1409 clib_socket_close (cs);
1410 appns_sapi_free_socket (app_ns, cs);
1414 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1416 app_sapi_worker_add_del_msg_t * mp)
1418 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1419 app_sapi_worker_add_del_reply_msg_t *rmp;
1420 app_ns_api_handle_t *handle;
1421 app_sapi_msg_t msg = { 0 };
1422 app_worker_t *app_wrk;
1423 u32 sapi_handle = -1;
1427 app = application_get_if_valid (mp->app_index);
1430 rv = VNET_API_ERROR_INVALID_VALUE;
1434 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1436 vnet_app_worker_add_del_args_t args = {
1437 .app_index = app->app_index,
1438 .wrk_map_index = mp->wrk_index,
1439 .api_client_index = sapi_handle,
1440 .is_add = mp->is_add
1442 rv = vnet_app_worker_add_del (&args);
1445 clib_warning ("app worker add/del returned: %d", rv);
1451 sapi_socket_close_w_handle (sapi_handle);
1455 /* Send fifo segment fd if needed */
1456 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1458 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1459 fds[n_fds] = args.segment->fd;
1462 if (application_segment_manager_properties (app)->use_mq_eventfd)
1464 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1465 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1471 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1472 rmp = &msg.worker_add_del_reply;
1474 rmp->is_add = mp->is_add;
1475 rmp->api_client_handle = sapi_handle;
1476 rmp->wrk_index = args.wrk_map_index;
1477 rmp->segment_handle = args.segment_handle;
1478 if (!rv && mp->is_add)
1480 /* No segment name and size. This supports only memfds */
1481 rmp->app_event_queue_address =
1482 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1484 rmp->fd_flags = fd_flags;
1486 /* Update app index for socket */
1487 handle = (app_ns_api_handle_t *) & cs->private_data;
1488 app_wrk = application_get_worker (app, args.wrk_map_index);
1489 handle->aah_app_wrk_index = app_wrk->wrk_index;
1492 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1496 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1498 app_ns_api_handle_t *handle;
1499 app_worker_t *app_wrk;
1500 u32 api_client_handle;
1502 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1503 sapi_socket_close_w_handle (api_client_handle);
1505 /* Cleanup everything because app worker closed socket or crashed */
1506 handle = (app_ns_api_handle_t *) & cs->private_data;
1507 app_wrk = app_worker_get (handle->aah_app_wrk_index);
1509 vnet_app_worker_add_del_args_t args = {
1510 .app_index = app_wrk->app_index,
1511 .wrk_map_index = app_wrk->wrk_map_index,
1512 .api_client_index = api_client_handle,
1515 /* Send rpc to main thread for worker barrier */
1516 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1520 static clib_error_t *
1521 sapi_sock_read_ready (clib_file_t * cf)
1523 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1524 vlib_main_t *vm = vlib_get_main ();
1525 app_sapi_msg_t msg = { 0 };
1526 app_namespace_t *app_ns;
1527 clib_error_t *err = 0;
1530 app_ns = app_namespace_get (handle->aah_app_ns_index);
1531 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1535 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1538 clib_error_free (err);
1539 sapi_socket_detach (app_ns, cs);
1543 handle = (app_ns_api_handle_t *) & cs->private_data;
1545 vlib_worker_thread_barrier_sync (vm);
1549 case APP_SAPI_MSG_TYPE_ATTACH:
1550 session_api_attach_handler (app_ns, cs, &msg.attach);
1552 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1553 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1556 clib_warning ("app wrk %u unknown message type: %u",
1557 handle->aah_app_wrk_index, msg.type);
1561 vlib_worker_thread_barrier_release (vm);
1567 static clib_error_t *
1568 sapi_sock_write_ready (clib_file_t * cf)
1570 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1571 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1575 static clib_error_t *
1576 sapi_sock_error (clib_file_t * cf)
1578 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1579 app_namespace_t *app_ns;
1582 app_ns = app_namespace_get (handle->aah_app_ns_index);
1583 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1587 sapi_socket_detach (app_ns, cs);
1591 static clib_error_t *
1592 sapi_sock_accept_ready (clib_file_t * scf)
1594 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1595 app_namespace_t *app_ns;
1596 clib_file_t cf = { 0 };
1597 clib_error_t *err = 0;
1598 clib_socket_t *ccs, *scs;
1600 /* Listener files point to namespace */
1601 app_ns = app_namespace_get (handle.aah_app_ns_index);
1604 * Initialize client socket
1606 ccs = appns_sapi_alloc_socket (app_ns);
1608 /* Grab server socket after client is initialized */
1609 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1613 err = clib_socket_accept (scs, ccs);
1616 clib_error_report (err);
1620 cf.read_function = sapi_sock_read_ready;
1621 cf.write_function = sapi_sock_write_ready;
1622 cf.error_function = sapi_sock_error;
1623 cf.file_descriptor = ccs->fd;
1624 /* File points to app namespace and socket */
1625 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1626 cf.private_data = handle.as_u64;
1627 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1629 /* Poll until we get an attach message. Socket points to file and
1630 * application that owns the socket */
1631 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1632 handle.aah_file_index = clib_file_add (&file_main, &cf);
1633 ccs->private_data = handle.as_u64;
1638 appns_sapi_free_socket (app_ns, ccs);
1643 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1645 char *subdir = "/app_ns_sockets/";
1646 app_ns_api_handle_t *handle;
1647 clib_file_t cf = { 0 };
1648 struct stat file_stat;
1654 vec_add (dir, vlib_unix_get_runtime_dir (),
1655 strlen (vlib_unix_get_runtime_dir ()));
1656 vec_add (dir, (u8 *) subdir, strlen (subdir));
1658 err = vlib_unix_recursive_mkdir ((char *) dir);
1661 clib_error_report (err);
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 (cs)))
1679 clib_error_report (err);
1684 if (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 * fd.io coding-style-patch-verification: ON
1715 * eval: (c-set-style "gnu")