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 = session_main_get_evt_q_segment ();
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;
275 m.context = api_context;
281 eq_seg = session_main_get_evt_q_segment ();
283 if (session_has_transport (s))
285 tc = session_get_transport (s);
288 clib_warning ("failed to retrieve transport!");
289 m.retval = SESSION_E_REFUSED;
293 m.handle = session_handle (s);
294 m.vpp_event_queue_address =
295 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
297 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
299 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
300 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
301 m.segment_handle = session_segment_handle (s);
305 ct_connection_t *cct;
308 cct = (ct_connection_t *) session_get_transport (s);
309 m.handle = session_handle (s);
310 m.lcl.port = cct->c_lcl_port;
311 m.lcl.is_ip4 = cct->c_is_ip4;
312 m.vpp_event_queue_address =
313 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
314 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
315 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
316 m.segment_handle = session_segment_handle (s);
317 ss = ct_session_get_peer (s);
318 m.ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
319 m.ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
320 m.ct_segment_handle = session_segment_handle (ss);
325 app_wrk = app_worker_get (app_wrk_index);
326 app_mq = app_wrk->event_queue;
328 if (mq_try_lock_and_alloc_msg (app_mq, msg))
329 return SESSION_E_MQ_MSG_ALLOC;
331 evt = svm_msg_q_msg_data (app_mq, msg);
332 clib_memset (evt, 0, sizeof (*evt));
333 evt->event_type = SESSION_CTRL_EVT_CONNECTED;
334 clib_memcpy_fast (evt->data, &m, sizeof (m));
336 svm_msg_q_add_and_unlock (app_mq, msg);
341 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
342 session_handle_t handle, int rv)
344 svm_msg_q_msg_t _msg, *msg = &_msg;
345 session_bound_msg_t m = { 0 };
347 transport_endpoint_t tep;
348 fifo_segment_t *eq_seg;
349 app_worker_t *app_wrk;
350 session_event_t *evt;
354 m.context = api_context;
361 al = app_listener_get_w_handle (handle);
362 if (al->session_index != SESSION_INVALID_INDEX)
363 ls = app_listener_get_session (al);
365 ls = app_listener_get_local_session (al);
367 session_get_endpoint (ls, &tep, 1 /* is_lcl */);
368 m.lcl_port = tep.port;
369 m.lcl_is_ip4 = tep.is_ip4;
370 clib_memcpy_fast (m.lcl_ip, &tep.ip, sizeof (tep.ip));
372 eq_seg = session_main_get_evt_q_segment ();
373 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
375 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_wrk = app_worker_get (app_wrk_index);
385 app_mq = app_wrk->event_queue;
387 if (mq_try_lock_and_alloc_msg (app_mq, msg))
388 return SESSION_E_MQ_MSG_ALLOC;
390 evt = svm_msg_q_msg_data (app_mq, msg);
391 clib_memset (evt, 0, sizeof (*evt));
392 evt->event_type = SESSION_CTRL_EVT_BOUND;
393 clib_memcpy_fast (evt->data, &m, sizeof (m));
395 svm_msg_q_add_and_unlock (app_mq, msg);
400 mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
403 svm_msg_q_msg_t _msg, *msg = &_msg;
404 session_unlisten_reply_msg_t *ump;
406 session_event_t *evt;
408 app_mq = app_wrk->event_queue;
409 if (mq_try_lock_and_alloc_msg (app_mq, msg))
412 evt = svm_msg_q_msg_data (app_mq, msg);
413 clib_memset (evt, 0, sizeof (*evt));
414 evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY;
415 ump = (session_unlisten_reply_msg_t *) evt->data;
416 ump->context = context;
419 svm_msg_q_add_and_unlock (app_mq, msg);
423 mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
425 svm_msg_q_msg_t _msg, *msg = &_msg;
426 session_migrated_msg_t m = { 0 };
427 fifo_segment_t *eq_seg;
428 app_worker_t *app_wrk;
429 session_event_t *evt;
433 thread_index = session_thread_from_handle (new_sh);
434 eq_seg = session_main_get_evt_q_segment ();
436 m.handle = session_handle (s);
437 m.new_handle = new_sh;
438 m.vpp_thread_index = thread_index;
439 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
440 m.segment_handle = SESSION_INVALID_HANDLE;
442 app_wrk = app_worker_get (s->app_wrk_index);
443 app_mq = app_wrk->event_queue;
444 if (mq_try_lock_and_alloc_msg (app_mq, msg))
447 evt = svm_msg_q_msg_data (app_mq, msg);
448 clib_memset (evt, 0, sizeof (*evt));
449 evt->event_type = SESSION_CTRL_EVT_MIGRATED;
450 clib_memcpy_fast (evt->data, &m, sizeof (m));
452 svm_msg_q_add_and_unlock (app_mq, msg);
456 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
458 int fds[SESSION_N_FD_TYPE], n_fds = 0;
459 svm_msg_q_msg_t _msg, *msg = &_msg;
460 session_app_add_segment_msg_t *mp;
461 vl_api_registration_t *reg;
462 app_worker_t *app_wrk;
463 session_event_t *evt;
469 app_wrk = app_worker_get (app_wrk_index);
471 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
474 clib_warning ("no api registration for client: %u",
475 app_wrk->api_client_index);
479 fs = segment_manager_get_segment_w_handle (segment_handle);
481 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
483 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
485 clib_warning ("can't send memfd fd");
489 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
494 app_mq = app_wrk->event_queue;
495 if (mq_try_lock_and_alloc_msg (app_mq, msg))
499 session_send_fds (reg, fds, n_fds);
501 evt = svm_msg_q_msg_data (app_mq, msg);
502 clib_memset (evt, 0, sizeof (*evt));
503 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
504 mp = (session_app_add_segment_msg_t *) evt->data;
505 clib_memset (mp, 0, sizeof (*mp));
506 mp->segment_size = sp->ssvm_size;
507 mp->fd_flags = fd_flags;
508 mp->segment_handle = segment_handle;
509 strncpy ((char *) mp->segment_name, (char *) sp->name,
510 sizeof (mp->segment_name) - 1);
512 svm_msg_q_add_and_unlock (app_mq, msg);
518 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
520 svm_msg_q_msg_t _msg, *msg = &_msg;
521 session_app_del_segment_msg_t *mp;
522 vl_api_registration_t *reg;
523 app_worker_t *app_wrk;
524 session_event_t *evt;
527 app_wrk = app_worker_get (app_wrk_index);
528 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
531 clib_warning ("no registration: %u", app_wrk->api_client_index);
535 app_mq = app_wrk->event_queue;
536 if (mq_try_lock_and_alloc_msg (app_mq, msg))
539 evt = svm_msg_q_msg_data (app_mq, msg);
540 clib_memset (evt, 0, sizeof (*evt));
541 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
542 mp = (session_app_del_segment_msg_t *) evt->data;
543 clib_memset (mp, 0, sizeof (*mp));
544 mp->segment_handle = segment_handle;
545 svm_msg_q_add_and_unlock (app_mq, msg);
551 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
553 svm_msg_q_msg_t _msg, *msg = &_msg;
554 session_cleanup_msg_t *mp;
556 session_event_t *evt;
557 app_worker_t *app_wrk;
559 /* Propagate transport cleanup notifications only if app didn't close */
560 if (ntf == SESSION_CLEANUP_TRANSPORT
561 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
564 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
568 app_mq = app_wrk->event_queue;
569 if (mq_try_lock_and_alloc_msg (app_mq, msg))
572 evt = svm_msg_q_msg_data (app_mq, msg);
573 clib_memset (evt, 0, sizeof (*evt));
574 evt->event_type = SESSION_CTRL_EVT_CLEANUP;
575 mp = (session_cleanup_msg_t *) evt->data;
576 mp->handle = session_handle (s);
578 svm_msg_q_add_and_unlock (app_mq, msg);
581 static session_cb_vft_t session_mq_cb_vft = {
582 .session_accept_callback = mq_send_session_accepted_cb,
583 .session_disconnect_callback = mq_send_session_disconnected_cb,
584 .session_connected_callback = mq_send_session_connected_cb,
585 .session_reset_callback = mq_send_session_reset_cb,
586 .session_migrate_callback = mq_send_session_migrate_cb,
587 .session_cleanup_callback = mq_send_session_cleanup_cb,
588 .add_segment_callback = mq_send_add_segment_cb,
589 .del_segment_callback = mq_send_del_segment_cb,
593 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
595 vl_api_session_enable_disable_reply_t *rmp;
596 vlib_main_t *vm = vlib_get_main ();
599 vnet_session_enable_disable (vm, mp->is_enable);
600 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
604 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
606 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
607 vl_api_app_attach_reply_t *rmp;
608 fifo_segment_t *segp, *evt_q_segment = 0;
609 vnet_app_attach_args_t _a, *a = &_a;
610 u8 fd_flags = 0, ctrl_thread;
611 vl_api_registration_t *reg;
613 reg = vl_api_client_index_to_registration (mp->client_index);
617 if (!session_main_is_enabled () || appns_sapi_enabled ())
619 rv = VNET_API_ERROR_FEATURE_DISABLED;
622 /* Only support binary api with socket transport */
623 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
625 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
629 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
630 sizeof (mp->options),
631 "Out of options, fix api message definition");
633 clib_memset (a, 0, sizeof (*a));
634 a->api_client_index = mp->client_index;
635 a->options = mp->options;
636 a->session_cb_vft = &session_mq_cb_vft;
637 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
639 if ((rv = vnet_application_attach (a)))
641 clib_warning ("attach returned: %d", rv);
642 vec_free (a->namespace_id);
645 vec_free (a->namespace_id);
647 /* Send event queues segment */
648 if ((evt_q_segment = session_main_get_evt_q_segment ()))
650 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
651 fds[n_fds] = evt_q_segment->ssvm.fd;
654 /* Send fifo segment fd if needed */
655 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
657 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
658 fds[n_fds] = a->segment->fd;
661 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
663 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
664 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
670 REPLY_MACRO2 (VL_API_APP_ATTACH_REPLY, ({
673 ctrl_thread = vlib_num_workers () ? 1 : 0;
674 segp = (fifo_segment_t *) a->segment;
675 rmp->app_index = clib_host_to_net_u32 (a->app_index);
676 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
678 fifo_segment_msg_q_offset (evt_q_segment, ctrl_thread);
679 rmp->vpp_ctrl_mq_thread = ctrl_thread;
681 rmp->fd_flags = fd_flags;
682 if (vec_len (segp->ssvm.name))
684 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
686 rmp->segment_size = segp->ssvm.ssvm_size;
687 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
693 session_send_fds (reg, fds, n_fds);
697 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
699 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
700 vl_api_app_worker_add_del_reply_t *rmp;
701 vl_api_registration_t *reg;
705 if (!session_main_is_enabled () || appns_sapi_enabled ())
707 rv = VNET_API_ERROR_FEATURE_DISABLED;
711 reg = vl_api_client_index_to_registration (mp->client_index);
715 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
718 rv = VNET_API_ERROR_INVALID_VALUE;
722 vnet_app_worker_add_del_args_t args = {
723 .app_index = app->app_index,
724 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
725 .api_client_index = mp->client_index,
728 rv = vnet_app_worker_add_del (&args);
731 clib_warning ("app worker add/del returned: %d", rv);
738 /* Send fifo segment fd if needed */
739 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
741 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
742 fds[n_fds] = args.segment->fd;
745 if (application_segment_manager_properties (app)->use_mq_eventfd)
747 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
748 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
754 REPLY_MACRO2 (VL_API_APP_WORKER_ADD_DEL_REPLY, ({
755 rmp->is_add = mp->is_add;
756 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
757 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
758 if (!rv && mp->is_add)
760 rmp->app_event_queue_address =
761 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
763 rmp->fd_flags = fd_flags;
764 if (vec_len (args.segment->name))
766 vl_api_vec_to_api_string (args.segment->name, &rmp->segment_name);
773 session_send_fds (reg, fds, n_fds);
777 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
779 vl_api_application_detach_reply_t *rmp;
780 int rv = VNET_API_ERROR_INVALID_VALUE_2;
781 vnet_app_detach_args_t _a, *a = &_a;
784 if (!session_main_is_enabled () || appns_sapi_enabled ())
786 rv = VNET_API_ERROR_FEATURE_DISABLED;
790 app = application_lookup (mp->client_index);
793 a->app_index = app->app_index;
794 a->api_client_index = mp->client_index;
795 rv = vnet_application_detach (a);
799 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
803 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
805 vl_api_app_namespace_add_del_reply_t *rmp;
809 if (session_main_is_enabled () == 0)
811 rv = VNET_API_ERROR_FEATURE_DISABLED;
815 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
817 vnet_app_namespace_add_del_args_t args = {
819 .secret = clib_net_to_host_u64 (mp->secret),
820 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
821 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
822 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
825 rv = vnet_app_namespace_add_del (&args);
828 appns_index = app_namespace_index_from_id (ns_id);
829 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
831 clib_warning ("app ns lookup failed");
832 rv = VNET_API_ERROR_UNSPECIFIED;
839 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
841 rmp->appns_index = clib_host_to_net_u32 (appns_index);
847 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
849 vl_api_session_rule_add_del_reply_t *rmp;
850 session_rule_add_del_args_t args;
851 session_rule_table_add_del_args_t *table_args = &args.table_args;
854 clib_memset (&args, 0, sizeof (args));
856 ip_prefix_decode (&mp->lcl, &table_args->lcl);
857 ip_prefix_decode (&mp->rmt, &table_args->rmt);
859 table_args->lcl_port = mp->lcl_port;
860 table_args->rmt_port = mp->rmt_port;
861 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
862 table_args->is_add = mp->is_add;
863 mp->tag[sizeof (mp->tag) - 1] = 0;
864 table_args->tag = format (0, "%s", mp->tag);
865 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
866 args.scope = mp->scope;
867 args.transport_proto =
868 api_session_transport_proto_decode (&mp->transport_proto) ==
869 TRANSPORT_PROTO_UDP ? 1 : 0;
871 rv = vnet_session_rule_add_del (&args);
873 clib_warning ("rule add del returned: %d", rv);
874 vec_free (table_args->tag);
875 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
879 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
880 u8 transport_proto, u32 appns_index, u8 * tag,
881 vl_api_registration_t * reg, u32 context)
883 vl_api_session_rules_details_t *rmp = 0;
884 session_mask_or_match_4_t *match =
885 (session_mask_or_match_4_t *) & rule->match;
886 session_mask_or_match_4_t *mask =
887 (session_mask_or_match_4_t *) & rule->mask;
888 fib_prefix_t lcl, rmt;
890 rmp = vl_msg_api_alloc (sizeof (*rmp));
891 clib_memset (rmp, 0, sizeof (*rmp));
892 rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
893 rmp->context = context;
895 clib_memset (&lcl, 0, sizeof (lcl));
896 clib_memset (&rmt, 0, sizeof (rmt));
897 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
898 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
899 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
900 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
902 ip_prefix_encode (&lcl, &rmp->lcl);
903 ip_prefix_encode (&rmt, &rmp->rmt);
904 rmp->lcl_port = match->lcl_port;
905 rmp->rmt_port = match->rmt_port;
906 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
908 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
909 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
910 rmp->appns_index = clib_host_to_net_u32 (appns_index);
913 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
914 rmp->tag[vec_len (tag)] = 0;
917 vl_api_send_msg (reg, (u8 *) rmp);
921 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
922 u8 transport_proto, u32 appns_index, u8 * tag,
923 vl_api_registration_t * reg, u32 context)
925 vl_api_session_rules_details_t *rmp = 0;
926 session_mask_or_match_6_t *match =
927 (session_mask_or_match_6_t *) & rule->match;
928 session_mask_or_match_6_t *mask =
929 (session_mask_or_match_6_t *) & rule->mask;
930 fib_prefix_t lcl, rmt;
932 rmp = vl_msg_api_alloc (sizeof (*rmp));
933 clib_memset (rmp, 0, sizeof (*rmp));
934 rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
935 rmp->context = context;
937 clib_memset (&lcl, 0, sizeof (lcl));
938 clib_memset (&rmt, 0, sizeof (rmt));
939 ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
940 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
941 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
942 rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
944 ip_prefix_encode (&lcl, &rmp->lcl);
945 ip_prefix_encode (&rmt, &rmp->rmt);
946 rmp->lcl_port = match->lcl_port;
947 rmp->rmt_port = match->rmt_port;
948 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
950 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
951 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
952 rmp->appns_index = clib_host_to_net_u32 (appns_index);
955 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
956 rmp->tag[vec_len (tag)] = 0;
959 vl_api_send_msg (reg, (u8 *) rmp);
963 send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
964 u8 tp, u8 is_local, u32 appns_index,
965 vl_api_registration_t * reg, u32 context)
967 mma_rule_16_t *rule16;
968 mma_rule_40_t *rule40;
969 mma_rules_table_16_t *srt16;
970 mma_rules_table_40_t *srt40;
973 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
977 srt16 = &srt->session_rules_tables_16;
978 pool_foreach (rule16, srt16->rules) {
979 ri = mma_rules_table_rule_index_16 (srt16, rule16);
980 tag = session_rules_table_rule_tag (srt, ri, 1);
981 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
986 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
990 srt40 = &srt->session_rules_tables_40;
991 pool_foreach (rule40, srt40->rules) {
992 ri = mma_rules_table_rule_index_40 (srt40, rule40);
993 tag = session_rules_table_rule_tag (srt, ri, 1);
994 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1002 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1004 vl_api_registration_t *reg;
1005 session_table_t *st;
1008 reg = vl_api_client_index_to_registration (mp->client_index);
1013 session_table_foreach (st, ({
1014 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1016 send_session_rules_table_details (&st->session_rules[tp],
1017 st->active_fib_proto, tp,
1018 st->is_local, st->appns_index, reg,
1026 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1028 vl_api_app_add_cert_key_pair_reply_t *rmp;
1029 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1030 u32 certkey_len, key_len, cert_len;
1032 if (session_main_is_enabled () == 0)
1034 rv = VNET_API_ERROR_FEATURE_DISABLED;
1038 cert_len = clib_net_to_host_u16 (mp->cert_len);
1039 if (cert_len > 10000)
1041 rv = VNET_API_ERROR_INVALID_VALUE;
1045 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1046 if (certkey_len < cert_len)
1048 rv = VNET_API_ERROR_INVALID_VALUE;
1052 key_len = certkey_len - cert_len;
1053 if (key_len > 10000)
1055 rv = VNET_API_ERROR_INVALID_VALUE;
1059 clib_memset (a, 0, sizeof (*a));
1060 a->cert = mp->certkey;
1061 a->key = mp->certkey + cert_len;
1062 a->cert_len = cert_len;
1063 a->key_len = key_len;
1064 rv = vnet_app_add_cert_key_pair (a);
1068 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1070 rmp->index = clib_host_to_net_u32 (a->index);
1076 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1078 vl_api_app_del_cert_key_pair_reply_t *rmp;
1081 if (session_main_is_enabled () == 0)
1083 rv = VNET_API_ERROR_FEATURE_DISABLED;
1086 ckpair_index = clib_net_to_host_u32 (mp->index);
1087 rv = vnet_app_del_cert_key_pair (ckpair_index);
1090 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1093 static clib_error_t *
1094 application_reaper_cb (u32 client_index)
1096 application_t *app = application_lookup (client_index);
1097 vnet_app_detach_args_t _a, *a = &_a;
1100 a->app_index = app->app_index;
1101 a->api_client_index = client_index;
1102 vnet_application_detach (a);
1107 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1109 #define vl_msg_name_crc_list
1110 #include <vnet/vnet_all_api_h.h>
1111 #undef vl_msg_name_crc_list
1114 setup_message_id_table (api_main_t * am)
1116 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1117 foreach_vl_msg_name_crc_session;
1122 * session_api_hookup
1123 * Add uri's API message handlers to the table.
1124 * vlib has already mapped shared memory and
1125 * added the client registration handlers.
1126 * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
1128 static clib_error_t *
1129 session_api_hookup (vlib_main_t * vm)
1131 api_main_t *am = vlibapi_get_main ();
1134 vl_msg_api_set_handlers(VL_API_##N, #n, \
1135 vl_api_##n##_t_handler, \
1137 vl_api_##n##_t_endian, \
1138 vl_api_##n##_t_print, \
1139 sizeof(vl_api_##n##_t), 1);
1140 foreach_session_api_msg;
1144 * Set up the (msg_name, crc, message-id) table
1146 setup_message_id_table (am);
1151 VLIB_API_INIT_FUNCTION (session_api_hookup);
1154 * Socket api functions
1158 sapi_send_fds (app_worker_t * app_wrk, int *fds, int n_fds)
1160 app_sapi_msg_t smsg = { 0 };
1161 app_namespace_t *app_ns;
1166 app = application_get (app_wrk->app_index);
1167 app_ns = app_namespace_get (app->ns_index);
1168 cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
1169 cs = appns_sapi_get_socket (app_ns, cs_index);
1170 if (PREDICT_FALSE (!cs))
1173 /* There's no payload for the message only the type */
1174 smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
1175 clib_socket_sendmsg (cs, &smsg, sizeof (smsg), fds, n_fds);
1179 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1181 int fds[SESSION_N_FD_TYPE], n_fds = 0;
1182 svm_msg_q_msg_t _msg, *msg = &_msg;
1183 session_app_add_segment_msg_t *mp;
1184 app_worker_t *app_wrk;
1185 session_event_t *evt;
1186 svm_msg_q_t *app_mq;
1191 app_wrk = app_worker_get (app_wrk_index);
1193 fs = segment_manager_get_segment_w_handle (segment_handle);
1195 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1197 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1198 fds[n_fds] = sp->fd;
1201 app_mq = app_wrk->event_queue;
1202 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1206 * Send the fd over api socket
1208 sapi_send_fds (app_wrk, fds, n_fds);
1211 * Send the actual message over mq
1213 evt = svm_msg_q_msg_data (app_mq, msg);
1214 clib_memset (evt, 0, sizeof (*evt));
1215 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
1216 mp = (session_app_add_segment_msg_t *) evt->data;
1217 clib_memset (mp, 0, sizeof (*mp));
1218 mp->segment_size = sp->ssvm_size;
1219 mp->fd_flags = fd_flags;
1220 mp->segment_handle = segment_handle;
1221 strncpy ((char *) mp->segment_name, (char *) sp->name,
1222 sizeof (mp->segment_name) - 1);
1224 svm_msg_q_add_and_unlock (app_mq, msg);
1230 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1232 svm_msg_q_msg_t _msg, *msg = &_msg;
1233 session_app_del_segment_msg_t *mp;
1234 app_worker_t *app_wrk;
1235 session_event_t *evt;
1236 svm_msg_q_t *app_mq;
1238 app_wrk = app_worker_get (app_wrk_index);
1240 app_mq = app_wrk->event_queue;
1241 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1244 evt = svm_msg_q_msg_data (app_mq, msg);
1245 clib_memset (evt, 0, sizeof (*evt));
1246 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
1247 mp = (session_app_del_segment_msg_t *) evt->data;
1248 clib_memset (mp, 0, sizeof (*mp));
1249 mp->segment_handle = segment_handle;
1250 svm_msg_q_add_and_unlock (app_mq, msg);
1255 static session_cb_vft_t session_mq_sapi_cb_vft = {
1256 .session_accept_callback = mq_send_session_accepted_cb,
1257 .session_disconnect_callback = mq_send_session_disconnected_cb,
1258 .session_connected_callback = mq_send_session_connected_cb,
1259 .session_reset_callback = mq_send_session_reset_cb,
1260 .session_migrate_callback = mq_send_session_migrate_cb,
1261 .session_cleanup_callback = mq_send_session_cleanup_cb,
1262 .add_segment_callback = mq_send_add_segment_sapi_cb,
1263 .del_segment_callback = mq_send_del_segment_sapi_cb,
1267 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1268 app_sapi_attach_msg_t * mp)
1270 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1271 vnet_app_attach_args_t _a, *a = &_a;
1272 app_sapi_attach_reply_msg_t *rmp;
1273 fifo_segment_t *evt_q_segment;
1274 u8 fd_flags = 0, ctrl_thread;
1275 app_ns_api_handle_t *handle;
1276 app_sapi_msg_t msg = { 0 };
1277 app_worker_t *app_wrk;
1280 /* Make sure name is null terminated */
1283 clib_memset (a, 0, sizeof (*a));
1284 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1285 a->name = format (0, "%s", (char *) mp->name);
1286 a->options = mp->options;
1287 a->session_cb_vft = &session_mq_sapi_cb_vft;
1288 a->use_sock_api = 1;
1289 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1291 if ((rv = vnet_application_attach (a)))
1293 clib_warning ("attach returned: %d", rv);
1297 /* Send event queues segment */
1298 if ((evt_q_segment = session_main_get_evt_q_segment ()))
1300 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1301 fds[n_fds] = evt_q_segment->ssvm.fd;
1304 /* Send fifo segment fd if needed */
1305 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1307 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1308 fds[n_fds] = a->segment->fd;
1311 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1313 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1314 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1320 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1321 rmp = &msg.attach_reply;
1325 ctrl_thread = vlib_num_workers ()? 1 : 0;
1326 rmp->app_index = a->app_index;
1328 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1330 fifo_segment_msg_q_offset (evt_q_segment, ctrl_thread);
1331 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1333 rmp->fd_flags = fd_flags;
1334 /* No segment name and size since we only support memfds
1335 * in this configuration */
1336 rmp->segment_handle = a->segment_handle;
1337 rmp->api_client_handle = a->api_client_index;
1339 /* Update app index for socket */
1340 handle = (app_ns_api_handle_t *) & cs->private_data;
1341 app = application_get (a->app_index);
1342 app_wrk = application_get_worker (app, 0);
1343 handle->aah_app_wrk_index = app_wrk->wrk_index;
1346 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1351 sapi_socket_close_w_handle (u32 api_handle)
1353 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1354 u16 sock_index = api_handle & 0xffff;
1355 app_ns_api_handle_t *handle;
1359 cs = appns_sapi_get_socket (app_ns, sock_index);
1363 handle = (app_ns_api_handle_t *) & cs->private_data;
1364 cf = clib_file_get (&file_main, handle->aah_file_index);
1365 clib_file_del (&file_main, cf);
1367 clib_socket_close (cs);
1368 appns_sapi_free_socket (app_ns, cs);
1372 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1374 app_sapi_worker_add_del_msg_t * mp)
1376 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1377 app_sapi_worker_add_del_reply_msg_t *rmp;
1378 app_ns_api_handle_t *handle;
1379 app_sapi_msg_t msg = { 0 };
1380 app_worker_t *app_wrk;
1381 u32 sapi_handle = -1;
1385 app = application_get_if_valid (mp->app_index);
1388 rv = VNET_API_ERROR_INVALID_VALUE;
1392 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1394 vnet_app_worker_add_del_args_t args = {
1395 .app_index = app->app_index,
1396 .wrk_map_index = mp->wrk_index,
1397 .api_client_index = sapi_handle,
1398 .is_add = mp->is_add
1400 rv = vnet_app_worker_add_del (&args);
1403 clib_warning ("app worker add/del returned: %d", rv);
1409 sapi_socket_close_w_handle (sapi_handle);
1413 /* Send fifo segment fd if needed */
1414 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1416 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1417 fds[n_fds] = args.segment->fd;
1420 if (application_segment_manager_properties (app)->use_mq_eventfd)
1422 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1423 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1429 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1430 rmp = &msg.worker_add_del_reply;
1432 rmp->is_add = mp->is_add;
1433 rmp->api_client_handle = sapi_handle;
1434 rmp->wrk_index = args.wrk_map_index;
1435 rmp->segment_handle = args.segment_handle;
1436 if (!rv && mp->is_add)
1438 /* No segment name and size. This supports only memfds */
1439 rmp->app_event_queue_address =
1440 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1442 rmp->fd_flags = fd_flags;
1444 /* Update app index for socket */
1445 handle = (app_ns_api_handle_t *) & cs->private_data;
1446 app_wrk = application_get_worker (app, args.wrk_map_index);
1447 handle->aah_app_wrk_index = app_wrk->wrk_index;
1450 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1454 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1456 app_ns_api_handle_t *handle;
1457 app_worker_t *app_wrk;
1458 u32 api_client_handle;
1460 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1461 sapi_socket_close_w_handle (api_client_handle);
1463 /* Cleanup everything because app worker closed socket or crashed */
1464 handle = (app_ns_api_handle_t *) & cs->private_data;
1465 app_wrk = app_worker_get (handle->aah_app_wrk_index);
1467 vnet_app_worker_add_del_args_t args = {
1468 .app_index = app_wrk->app_index,
1469 .wrk_map_index = app_wrk->wrk_map_index,
1470 .api_client_index = api_client_handle,
1473 /* Send rpc to main thread for worker barrier */
1474 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1478 static clib_error_t *
1479 sapi_sock_read_ready (clib_file_t * cf)
1481 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1482 vlib_main_t *vm = vlib_get_main ();
1483 app_sapi_msg_t msg = { 0 };
1484 app_namespace_t *app_ns;
1485 clib_error_t *err = 0;
1488 app_ns = app_namespace_get (handle->aah_app_ns_index);
1489 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1493 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1496 clib_error_free (err);
1497 sapi_socket_detach (app_ns, cs);
1501 handle = (app_ns_api_handle_t *) & cs->private_data;
1503 vlib_worker_thread_barrier_sync (vm);
1507 case APP_SAPI_MSG_TYPE_ATTACH:
1508 session_api_attach_handler (app_ns, cs, &msg.attach);
1510 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1511 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1514 clib_warning ("app wrk %u unknown message type: %u",
1515 handle->aah_app_wrk_index, msg.type);
1519 vlib_worker_thread_barrier_release (vm);
1525 static clib_error_t *
1526 sapi_sock_write_ready (clib_file_t * cf)
1528 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1529 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1533 static clib_error_t *
1534 sapi_sock_error (clib_file_t * cf)
1536 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1537 app_namespace_t *app_ns;
1540 app_ns = app_namespace_get (handle->aah_app_ns_index);
1541 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1545 sapi_socket_detach (app_ns, cs);
1549 static clib_error_t *
1550 sapi_sock_accept_ready (clib_file_t * scf)
1552 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1553 app_namespace_t *app_ns;
1554 clib_file_t cf = { 0 };
1555 clib_error_t *err = 0;
1556 clib_socket_t *ccs, *scs;
1558 /* Listener files point to namespace */
1559 app_ns = app_namespace_get (handle.aah_app_ns_index);
1562 * Initialize client socket
1564 ccs = appns_sapi_alloc_socket (app_ns);
1566 /* Grab server socket after client is initialized */
1567 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1571 err = clib_socket_accept (scs, ccs);
1574 clib_error_report (err);
1578 cf.read_function = sapi_sock_read_ready;
1579 cf.write_function = sapi_sock_write_ready;
1580 cf.error_function = sapi_sock_error;
1581 cf.file_descriptor = ccs->fd;
1582 /* File points to app namespace and socket */
1583 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1584 cf.private_data = handle.as_u64;
1585 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1587 /* Poll until we get an attach message. Socket points to file and
1588 * application that owns the socket */
1589 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1590 handle.aah_file_index = clib_file_add (&file_main, &cf);
1591 ccs->private_data = handle.as_u64;
1596 appns_sapi_free_socket (app_ns, ccs);
1601 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1603 char *subdir = "/app_ns_sockets/";
1604 app_ns_api_handle_t *handle;
1605 clib_file_t cf = { 0 };
1606 struct stat file_stat;
1612 vec_add (dir, vlib_unix_get_runtime_dir (),
1613 strlen (vlib_unix_get_runtime_dir ()));
1614 vec_add (dir, (u8 *) subdir, strlen (subdir));
1616 err = vlib_unix_recursive_mkdir ((char *) dir);
1619 clib_error_report (err);
1624 app_ns->sock_name = format (0, "%v%v%c", dir, app_ns->ns_id, 0);
1627 * Create and initialize socket to listen on
1629 cs = appns_sapi_alloc_socket (app_ns);
1630 cs->config = (char *) app_ns->sock_name;
1631 cs->flags = CLIB_SOCKET_F_IS_SERVER |
1632 CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1633 CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1635 if ((err = clib_socket_init (cs)))
1637 clib_error_report (err);
1642 if (stat ((char *) app_ns->sock_name, &file_stat) == -1)
1651 cf.read_function = sapi_sock_accept_ready;
1652 cf.file_descriptor = cs->fd;
1653 /* File points to namespace */
1654 handle = (app_ns_api_handle_t *) & cf.private_data;
1655 handle->aah_app_ns_index = app_namespace_index (app_ns);
1656 handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1657 cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1659 /* Socket points to clib file index */
1660 handle = (app_ns_api_handle_t *) & cs->private_data;
1661 handle->aah_file_index = clib_file_add (&file_main, &cf);
1662 handle->aah_app_wrk_index = APP_INVALID_INDEX;
1670 * fd.io coding-style-patch-verification: ON
1673 * eval: (c-set-style "gnu")