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);
309 ct_connection_t *cct;
312 cct = (ct_connection_t *) session_get_transport (s);
313 m.handle = session_handle (s);
314 m.lcl.port = cct->c_lcl_port;
315 m.lcl.is_ip4 = cct->c_is_ip4;
316 m.vpp_event_queue_address =
317 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
318 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
319 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
320 m.segment_handle = session_segment_handle (s);
321 ss = ct_session_get_peer (s);
322 m.ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
323 m.ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
324 m.ct_segment_handle = session_segment_handle (ss);
329 app_mq = app_wrk->event_queue;
331 if (mq_try_lock_and_alloc_msg (app_mq, msg))
332 return SESSION_E_MQ_MSG_ALLOC;
334 evt = svm_msg_q_msg_data (app_mq, msg);
335 clib_memset (evt, 0, sizeof (*evt));
336 evt->event_type = SESSION_CTRL_EVT_CONNECTED;
337 clib_memcpy_fast (evt->data, &m, sizeof (m));
339 svm_msg_q_add_and_unlock (app_mq, msg);
344 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
345 session_handle_t handle, int rv)
347 svm_msg_q_msg_t _msg, *msg = &_msg;
348 session_bound_msg_t m = { 0 };
350 transport_endpoint_t tep;
351 fifo_segment_t *eq_seg;
352 app_worker_t *app_wrk;
353 session_event_t *evt;
358 app_wrk = app_worker_get (app_wrk_index);
360 m.context = api_context;
367 al = app_listener_get_w_handle (handle);
368 if (al->session_index != SESSION_INVALID_INDEX)
369 ls = app_listener_get_session (al);
371 ls = app_listener_get_local_session (al);
373 session_get_endpoint (ls, &tep, 1 /* is_lcl */);
374 m.lcl_port = tep.port;
375 m.lcl_is_ip4 = tep.is_ip4;
376 clib_memcpy_fast (m.lcl_ip, &tep.ip, sizeof (tep.ip));
377 app = application_get (app_wrk->app_index);
378 eq_seg = application_get_rx_mqs_segment (app);
379 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
381 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL &&
384 m.rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
385 m.tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
386 m.segment_handle = session_segment_handle (ls);
391 app_mq = app_wrk->event_queue;
393 if (mq_try_lock_and_alloc_msg (app_mq, msg))
394 return SESSION_E_MQ_MSG_ALLOC;
396 evt = svm_msg_q_msg_data (app_mq, msg);
397 clib_memset (evt, 0, sizeof (*evt));
398 evt->event_type = SESSION_CTRL_EVT_BOUND;
399 clib_memcpy_fast (evt->data, &m, sizeof (m));
401 svm_msg_q_add_and_unlock (app_mq, msg);
406 mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
409 svm_msg_q_msg_t _msg, *msg = &_msg;
410 session_unlisten_reply_msg_t *ump;
412 session_event_t *evt;
414 app_mq = app_wrk->event_queue;
415 if (mq_try_lock_and_alloc_msg (app_mq, msg))
418 evt = svm_msg_q_msg_data (app_mq, msg);
419 clib_memset (evt, 0, sizeof (*evt));
420 evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY;
421 ump = (session_unlisten_reply_msg_t *) evt->data;
422 ump->context = context;
425 svm_msg_q_add_and_unlock (app_mq, msg);
429 mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
431 svm_msg_q_msg_t _msg, *msg = &_msg;
432 session_migrated_msg_t m = { 0 };
433 fifo_segment_t *eq_seg;
434 app_worker_t *app_wrk;
435 session_event_t *evt;
440 thread_index = session_thread_from_handle (new_sh);
441 app_wrk = app_worker_get (s->app_wrk_index);
442 app_mq = app_wrk->event_queue;
443 app = application_get (app_wrk->app_index);
444 eq_seg = application_get_rx_mqs_segment (app);
446 m.handle = session_handle (s);
447 m.new_handle = new_sh;
448 m.vpp_thread_index = thread_index;
449 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
450 m.segment_handle = SESSION_INVALID_HANDLE;
452 if (mq_try_lock_and_alloc_msg (app_mq, msg))
455 evt = svm_msg_q_msg_data (app_mq, msg);
456 clib_memset (evt, 0, sizeof (*evt));
457 evt->event_type = SESSION_CTRL_EVT_MIGRATED;
458 clib_memcpy_fast (evt->data, &m, sizeof (m));
460 svm_msg_q_add_and_unlock (app_mq, msg);
464 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
466 int fds[SESSION_N_FD_TYPE], n_fds = 0;
467 svm_msg_q_msg_t _msg, *msg = &_msg;
468 session_app_add_segment_msg_t *mp;
469 vl_api_registration_t *reg;
470 app_worker_t *app_wrk;
471 session_event_t *evt;
477 app_wrk = app_worker_get (app_wrk_index);
479 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
482 clib_warning ("no api registration for client: %u",
483 app_wrk->api_client_index);
487 fs = segment_manager_get_segment_w_handle (segment_handle);
489 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
491 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
493 clib_warning ("can't send memfd fd");
497 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
502 app_mq = app_wrk->event_queue;
503 if (mq_try_lock_and_alloc_msg (app_mq, msg))
507 session_send_fds (reg, fds, n_fds);
509 evt = svm_msg_q_msg_data (app_mq, msg);
510 clib_memset (evt, 0, sizeof (*evt));
511 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
512 mp = (session_app_add_segment_msg_t *) evt->data;
513 clib_memset (mp, 0, sizeof (*mp));
514 mp->segment_size = sp->ssvm_size;
515 mp->fd_flags = fd_flags;
516 mp->segment_handle = segment_handle;
517 strncpy ((char *) mp->segment_name, (char *) sp->name,
518 sizeof (mp->segment_name) - 1);
520 svm_msg_q_add_and_unlock (app_mq, msg);
526 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
528 svm_msg_q_msg_t _msg, *msg = &_msg;
529 session_app_del_segment_msg_t *mp;
530 vl_api_registration_t *reg;
531 app_worker_t *app_wrk;
532 session_event_t *evt;
535 app_wrk = app_worker_get (app_wrk_index);
536 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
539 clib_warning ("no registration: %u", app_wrk->api_client_index);
543 app_mq = app_wrk->event_queue;
544 if (mq_try_lock_and_alloc_msg (app_mq, msg))
547 evt = svm_msg_q_msg_data (app_mq, msg);
548 clib_memset (evt, 0, sizeof (*evt));
549 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
550 mp = (session_app_del_segment_msg_t *) evt->data;
551 clib_memset (mp, 0, sizeof (*mp));
552 mp->segment_handle = segment_handle;
553 svm_msg_q_add_and_unlock (app_mq, msg);
559 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
561 svm_msg_q_msg_t _msg, *msg = &_msg;
562 session_cleanup_msg_t *mp;
564 session_event_t *evt;
565 app_worker_t *app_wrk;
567 /* Propagate transport cleanup notifications only if app didn't close */
568 if (ntf == SESSION_CLEANUP_TRANSPORT
569 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
572 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
576 app_mq = app_wrk->event_queue;
577 if (mq_try_lock_and_alloc_msg (app_mq, msg))
580 evt = svm_msg_q_msg_data (app_mq, msg);
581 clib_memset (evt, 0, sizeof (*evt));
582 evt->event_type = SESSION_CTRL_EVT_CLEANUP;
583 mp = (session_cleanup_msg_t *) evt->data;
584 mp->handle = session_handle (s);
586 svm_msg_q_add_and_unlock (app_mq, msg);
589 static session_cb_vft_t session_mq_cb_vft = {
590 .session_accept_callback = mq_send_session_accepted_cb,
591 .session_disconnect_callback = mq_send_session_disconnected_cb,
592 .session_connected_callback = mq_send_session_connected_cb,
593 .session_reset_callback = mq_send_session_reset_cb,
594 .session_migrate_callback = mq_send_session_migrate_cb,
595 .session_cleanup_callback = mq_send_session_cleanup_cb,
596 .add_segment_callback = mq_send_add_segment_cb,
597 .del_segment_callback = mq_send_del_segment_cb,
601 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
603 vl_api_session_enable_disable_reply_t *rmp;
604 vlib_main_t *vm = vlib_get_main ();
607 vnet_session_enable_disable (vm, mp->is_enable);
608 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
612 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
614 int rv = 0, *fds = 0, n_fds = 0, n_workers, i;
615 fifo_segment_t *segp, *rx_mqs_seg = 0;
616 vnet_app_attach_args_t _a, *a = &_a;
617 vl_api_app_attach_reply_t *rmp;
618 u8 fd_flags = 0, ctrl_thread;
619 vl_api_registration_t *reg;
623 reg = vl_api_client_index_to_registration (mp->client_index);
627 n_workers = vlib_num_workers ();
628 if (!session_main_is_enabled () || appns_sapi_enabled ())
630 rv = VNET_API_ERROR_FEATURE_DISABLED;
633 /* Only support binary api with socket transport */
634 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
636 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
640 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
641 sizeof (mp->options),
642 "Out of options, fix api message definition");
644 clib_memset (a, 0, sizeof (*a));
645 a->api_client_index = mp->client_index;
646 a->options = mp->options;
647 a->session_cb_vft = &session_mq_cb_vft;
648 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
650 if ((rv = vnet_application_attach (a)))
652 clib_warning ("attach returned: %d", rv);
653 vec_free (a->namespace_id);
656 vec_free (a->namespace_id);
658 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
660 /* Send rx mqs segment */
661 app = application_get (a->app_index);
662 rx_mqs_seg = application_get_rx_mqs_segment (app);
664 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
665 fds[n_fds] = rx_mqs_seg->ssvm.fd;
668 /* Send fifo segment fd if needed */
669 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
671 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
672 fds[n_fds] = a->segment->fd;
675 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
677 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
678 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
682 if (application_use_private_rx_mqs ())
684 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
685 for (i = 0; i < n_workers + 1; i++)
687 rx_mq = application_rx_mq_get (app, i);
688 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
695 REPLY_MACRO2 (VL_API_APP_ATTACH_REPLY, ({
698 ctrl_thread = n_workers ? 1 : 0;
699 segp = (fifo_segment_t *) a->segment;
700 rmp->app_index = clib_host_to_net_u32 (a->app_index);
701 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
702 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
703 rmp->vpp_ctrl_mq_thread = ctrl_thread;
705 rmp->fd_flags = fd_flags;
706 if (vec_len (segp->ssvm.name))
708 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
710 rmp->segment_size = segp->ssvm.ssvm_size;
711 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
717 session_send_fds (reg, fds, n_fds);
722 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
724 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
725 vl_api_app_worker_add_del_reply_t *rmp;
726 vl_api_registration_t *reg;
730 if (!session_main_is_enabled () || appns_sapi_enabled ())
732 rv = VNET_API_ERROR_FEATURE_DISABLED;
736 reg = vl_api_client_index_to_registration (mp->client_index);
740 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
743 rv = VNET_API_ERROR_INVALID_VALUE;
747 vnet_app_worker_add_del_args_t args = {
748 .app_index = app->app_index,
749 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
750 .api_client_index = mp->client_index,
753 rv = vnet_app_worker_add_del (&args);
756 clib_warning ("app worker add/del returned: %d", rv);
763 /* Send fifo segment fd if needed */
764 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
766 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
767 fds[n_fds] = args.segment->fd;
770 if (application_segment_manager_properties (app)->use_mq_eventfd)
772 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
773 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
779 REPLY_MACRO2 (VL_API_APP_WORKER_ADD_DEL_REPLY, ({
780 rmp->is_add = mp->is_add;
781 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
782 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
783 if (!rv && mp->is_add)
785 rmp->app_event_queue_address =
786 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
788 rmp->fd_flags = fd_flags;
789 if (vec_len (args.segment->name))
791 vl_api_vec_to_api_string (args.segment->name, &rmp->segment_name);
798 session_send_fds (reg, fds, n_fds);
802 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
804 vl_api_application_detach_reply_t *rmp;
805 int rv = VNET_API_ERROR_INVALID_VALUE_2;
806 vnet_app_detach_args_t _a, *a = &_a;
809 if (!session_main_is_enabled () || appns_sapi_enabled ())
811 rv = VNET_API_ERROR_FEATURE_DISABLED;
815 app = application_lookup (mp->client_index);
818 a->app_index = app->app_index;
819 a->api_client_index = mp->client_index;
820 rv = vnet_application_detach (a);
824 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
828 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
830 vl_api_app_namespace_add_del_reply_t *rmp;
834 if (session_main_is_enabled () == 0)
836 rv = VNET_API_ERROR_FEATURE_DISABLED;
840 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
842 vnet_app_namespace_add_del_args_t args = {
844 .secret = clib_net_to_host_u64 (mp->secret),
845 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
846 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
847 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
850 rv = vnet_app_namespace_add_del (&args);
853 appns_index = app_namespace_index_from_id (ns_id);
854 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
856 clib_warning ("app ns lookup failed");
857 rv = VNET_API_ERROR_UNSPECIFIED;
864 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
866 rmp->appns_index = clib_host_to_net_u32 (appns_index);
872 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
874 vl_api_session_rule_add_del_reply_t *rmp;
875 session_rule_add_del_args_t args;
876 session_rule_table_add_del_args_t *table_args = &args.table_args;
879 clib_memset (&args, 0, sizeof (args));
881 ip_prefix_decode (&mp->lcl, &table_args->lcl);
882 ip_prefix_decode (&mp->rmt, &table_args->rmt);
884 table_args->lcl_port = mp->lcl_port;
885 table_args->rmt_port = mp->rmt_port;
886 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
887 table_args->is_add = mp->is_add;
888 mp->tag[sizeof (mp->tag) - 1] = 0;
889 table_args->tag = format (0, "%s", mp->tag);
890 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
891 args.scope = mp->scope;
892 args.transport_proto =
893 api_session_transport_proto_decode (&mp->transport_proto) ==
894 TRANSPORT_PROTO_UDP ? 1 : 0;
896 rv = vnet_session_rule_add_del (&args);
898 clib_warning ("rule add del returned: %d", rv);
899 vec_free (table_args->tag);
900 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
904 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
905 u8 transport_proto, u32 appns_index, u8 * tag,
906 vl_api_registration_t * reg, u32 context)
908 vl_api_session_rules_details_t *rmp = 0;
909 session_mask_or_match_4_t *match =
910 (session_mask_or_match_4_t *) & rule->match;
911 session_mask_or_match_4_t *mask =
912 (session_mask_or_match_4_t *) & rule->mask;
913 fib_prefix_t lcl, rmt;
915 rmp = vl_msg_api_alloc (sizeof (*rmp));
916 clib_memset (rmp, 0, sizeof (*rmp));
917 rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
918 rmp->context = context;
920 clib_memset (&lcl, 0, sizeof (lcl));
921 clib_memset (&rmt, 0, sizeof (rmt));
922 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
923 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
924 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
925 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
927 ip_prefix_encode (&lcl, &rmp->lcl);
928 ip_prefix_encode (&rmt, &rmp->rmt);
929 rmp->lcl_port = match->lcl_port;
930 rmp->rmt_port = match->rmt_port;
931 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
933 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
934 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
935 rmp->appns_index = clib_host_to_net_u32 (appns_index);
938 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
939 rmp->tag[vec_len (tag)] = 0;
942 vl_api_send_msg (reg, (u8 *) rmp);
946 send_session_rule_details6 (mma_rule_40_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_6_t *match =
952 (session_mask_or_match_6_t *) & rule->match;
953 session_mask_or_match_6_t *mask =
954 (session_mask_or_match_6_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 (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, 0);
965 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
966 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
967 rmt.fp_len = ip6_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_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
989 u8 tp, u8 is_local, u32 appns_index,
990 vl_api_registration_t * reg, u32 context)
992 mma_rule_16_t *rule16;
993 mma_rule_40_t *rule40;
994 mma_rules_table_16_t *srt16;
995 mma_rules_table_40_t *srt40;
998 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1002 srt16 = &srt->session_rules_tables_16;
1003 pool_foreach (rule16, srt16->rules) {
1004 ri = mma_rules_table_rule_index_16 (srt16, rule16);
1005 tag = session_rules_table_rule_tag (srt, ri, 1);
1006 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1011 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1015 srt40 = &srt->session_rules_tables_40;
1016 pool_foreach (rule40, srt40->rules) {
1017 ri = mma_rules_table_rule_index_40 (srt40, rule40);
1018 tag = session_rules_table_rule_tag (srt, ri, 1);
1019 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1027 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1029 vl_api_registration_t *reg;
1030 session_table_t *st;
1033 reg = vl_api_client_index_to_registration (mp->client_index);
1038 session_table_foreach (st, ({
1039 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1041 send_session_rules_table_details (&st->session_rules[tp],
1042 st->active_fib_proto, tp,
1043 st->is_local, st->appns_index, reg,
1051 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1053 vl_api_app_add_cert_key_pair_reply_t *rmp;
1054 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1055 u32 certkey_len, key_len, cert_len;
1057 if (session_main_is_enabled () == 0)
1059 rv = VNET_API_ERROR_FEATURE_DISABLED;
1063 cert_len = clib_net_to_host_u16 (mp->cert_len);
1064 if (cert_len > 10000)
1066 rv = VNET_API_ERROR_INVALID_VALUE;
1070 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1071 if (certkey_len < cert_len)
1073 rv = VNET_API_ERROR_INVALID_VALUE;
1077 key_len = certkey_len - cert_len;
1078 if (key_len > 10000)
1080 rv = VNET_API_ERROR_INVALID_VALUE;
1084 clib_memset (a, 0, sizeof (*a));
1085 a->cert = mp->certkey;
1086 a->key = mp->certkey + cert_len;
1087 a->cert_len = cert_len;
1088 a->key_len = key_len;
1089 rv = vnet_app_add_cert_key_pair (a);
1093 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1095 rmp->index = clib_host_to_net_u32 (a->index);
1101 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1103 vl_api_app_del_cert_key_pair_reply_t *rmp;
1106 if (session_main_is_enabled () == 0)
1108 rv = VNET_API_ERROR_FEATURE_DISABLED;
1111 ckpair_index = clib_net_to_host_u32 (mp->index);
1112 rv = vnet_app_del_cert_key_pair (ckpair_index);
1115 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1118 static clib_error_t *
1119 application_reaper_cb (u32 client_index)
1121 application_t *app = application_lookup (client_index);
1122 vnet_app_detach_args_t _a, *a = &_a;
1125 a->app_index = app->app_index;
1126 a->api_client_index = client_index;
1127 vnet_application_detach (a);
1132 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1134 #define vl_msg_name_crc_list
1135 #include <vnet/vnet_all_api_h.h>
1136 #undef vl_msg_name_crc_list
1139 setup_message_id_table (api_main_t * am)
1141 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1142 foreach_vl_msg_name_crc_session;
1147 * session_api_hookup
1148 * Add uri's API message handlers to the table.
1149 * vlib has already mapped shared memory and
1150 * added the client registration handlers.
1151 * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
1153 static clib_error_t *
1154 session_api_hookup (vlib_main_t * vm)
1156 api_main_t *am = vlibapi_get_main ();
1159 vl_msg_api_set_handlers(VL_API_##N, #n, \
1160 vl_api_##n##_t_handler, \
1162 vl_api_##n##_t_endian, \
1163 vl_api_##n##_t_print, \
1164 sizeof(vl_api_##n##_t), 1);
1165 foreach_session_api_msg;
1169 * Set up the (msg_name, crc, message-id) table
1171 setup_message_id_table (am);
1176 VLIB_API_INIT_FUNCTION (session_api_hookup);
1179 * Socket api functions
1183 sapi_send_fds (app_worker_t * app_wrk, int *fds, int n_fds)
1185 app_sapi_msg_t smsg = { 0 };
1186 app_namespace_t *app_ns;
1191 app = application_get (app_wrk->app_index);
1192 app_ns = app_namespace_get (app->ns_index);
1193 cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
1194 cs = appns_sapi_get_socket (app_ns, cs_index);
1195 if (PREDICT_FALSE (!cs))
1198 /* There's no payload for the message only the type */
1199 smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
1200 clib_socket_sendmsg (cs, &smsg, sizeof (smsg), fds, n_fds);
1204 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1206 int fds[SESSION_N_FD_TYPE], n_fds = 0;
1207 svm_msg_q_msg_t _msg, *msg = &_msg;
1208 session_app_add_segment_msg_t *mp;
1209 app_worker_t *app_wrk;
1210 session_event_t *evt;
1211 svm_msg_q_t *app_mq;
1216 app_wrk = app_worker_get (app_wrk_index);
1218 fs = segment_manager_get_segment_w_handle (segment_handle);
1220 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1222 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1223 fds[n_fds] = sp->fd;
1226 app_mq = app_wrk->event_queue;
1227 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1231 * Send the fd over api socket
1233 sapi_send_fds (app_wrk, fds, n_fds);
1236 * Send the actual message over mq
1238 evt = svm_msg_q_msg_data (app_mq, msg);
1239 clib_memset (evt, 0, sizeof (*evt));
1240 evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
1241 mp = (session_app_add_segment_msg_t *) evt->data;
1242 clib_memset (mp, 0, sizeof (*mp));
1243 mp->segment_size = sp->ssvm_size;
1244 mp->fd_flags = fd_flags;
1245 mp->segment_handle = segment_handle;
1246 strncpy ((char *) mp->segment_name, (char *) sp->name,
1247 sizeof (mp->segment_name) - 1);
1249 svm_msg_q_add_and_unlock (app_mq, msg);
1255 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1257 svm_msg_q_msg_t _msg, *msg = &_msg;
1258 session_app_del_segment_msg_t *mp;
1259 app_worker_t *app_wrk;
1260 session_event_t *evt;
1261 svm_msg_q_t *app_mq;
1263 app_wrk = app_worker_get (app_wrk_index);
1265 app_mq = app_wrk->event_queue;
1266 if (mq_try_lock_and_alloc_msg (app_mq, msg))
1269 evt = svm_msg_q_msg_data (app_mq, msg);
1270 clib_memset (evt, 0, sizeof (*evt));
1271 evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
1272 mp = (session_app_del_segment_msg_t *) evt->data;
1273 clib_memset (mp, 0, sizeof (*mp));
1274 mp->segment_handle = segment_handle;
1275 svm_msg_q_add_and_unlock (app_mq, msg);
1280 static session_cb_vft_t session_mq_sapi_cb_vft = {
1281 .session_accept_callback = mq_send_session_accepted_cb,
1282 .session_disconnect_callback = mq_send_session_disconnected_cb,
1283 .session_connected_callback = mq_send_session_connected_cb,
1284 .session_reset_callback = mq_send_session_reset_cb,
1285 .session_migrate_callback = mq_send_session_migrate_cb,
1286 .session_cleanup_callback = mq_send_session_cleanup_cb,
1287 .add_segment_callback = mq_send_add_segment_sapi_cb,
1288 .del_segment_callback = mq_send_del_segment_sapi_cb,
1292 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1293 app_sapi_attach_msg_t * mp)
1295 int rv = 0, *fds = 0, n_fds = 0, i, n_workers;
1296 vnet_app_attach_args_t _a, *a = &_a;
1297 app_sapi_attach_reply_msg_t *rmp;
1298 u8 fd_flags = 0, ctrl_thread;
1299 app_ns_api_handle_t *handle;
1300 fifo_segment_t *rx_mqs_seg;
1301 app_sapi_msg_t msg = { 0 };
1302 app_worker_t *app_wrk;
1306 /* Make sure name is null terminated */
1309 clib_memset (a, 0, sizeof (*a));
1310 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1311 a->name = format (0, "%s", (char *) mp->name);
1312 a->options = mp->options;
1313 a->session_cb_vft = &session_mq_sapi_cb_vft;
1314 a->use_sock_api = 1;
1315 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1317 if ((rv = vnet_application_attach (a)))
1319 clib_warning ("attach returned: %d", rv);
1323 n_workers = vlib_num_workers ();
1324 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
1326 /* Send event queues segment */
1327 app = application_get (a->app_index);
1328 rx_mqs_seg = application_get_rx_mqs_segment (app);
1330 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1331 fds[n_fds] = rx_mqs_seg->ssvm.fd;
1334 /* Send fifo segment fd if needed */
1335 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1337 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1338 fds[n_fds] = a->segment->fd;
1341 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1343 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1344 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1348 if (application_use_private_rx_mqs ())
1350 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
1351 for (i = 0; i < n_workers + 1; i++)
1353 rx_mq = application_rx_mq_get (app, i);
1354 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
1361 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1362 rmp = &msg.attach_reply;
1366 ctrl_thread = n_workers ? 1 : 0;
1367 rmp->app_index = a->app_index;
1369 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1370 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
1371 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1373 rmp->fd_flags = fd_flags;
1374 /* No segment name and size since we only support memfds
1375 * in this configuration */
1376 rmp->segment_handle = a->segment_handle;
1377 rmp->api_client_handle = a->api_client_index;
1379 /* Update app index for socket */
1380 handle = (app_ns_api_handle_t *) & cs->private_data;
1381 app_wrk = application_get_worker (app, 0);
1382 handle->aah_app_wrk_index = app_wrk->wrk_index;
1385 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1391 sapi_socket_close_w_handle (u32 api_handle)
1393 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1394 u16 sock_index = api_handle & 0xffff;
1395 app_ns_api_handle_t *handle;
1399 cs = appns_sapi_get_socket (app_ns, sock_index);
1403 handle = (app_ns_api_handle_t *) & cs->private_data;
1404 cf = clib_file_get (&file_main, handle->aah_file_index);
1405 clib_file_del (&file_main, cf);
1407 clib_socket_close (cs);
1408 appns_sapi_free_socket (app_ns, cs);
1412 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1414 app_sapi_worker_add_del_msg_t * mp)
1416 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1417 app_sapi_worker_add_del_reply_msg_t *rmp;
1418 app_ns_api_handle_t *handle;
1419 app_sapi_msg_t msg = { 0 };
1420 app_worker_t *app_wrk;
1421 u32 sapi_handle = -1;
1425 app = application_get_if_valid (mp->app_index);
1428 rv = VNET_API_ERROR_INVALID_VALUE;
1432 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1434 vnet_app_worker_add_del_args_t args = {
1435 .app_index = app->app_index,
1436 .wrk_map_index = mp->wrk_index,
1437 .api_client_index = sapi_handle,
1438 .is_add = mp->is_add
1440 rv = vnet_app_worker_add_del (&args);
1443 clib_warning ("app worker add/del returned: %d", rv);
1449 sapi_socket_close_w_handle (sapi_handle);
1453 /* Send fifo segment fd if needed */
1454 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1456 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1457 fds[n_fds] = args.segment->fd;
1460 if (application_segment_manager_properties (app)->use_mq_eventfd)
1462 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1463 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1469 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1470 rmp = &msg.worker_add_del_reply;
1472 rmp->is_add = mp->is_add;
1473 rmp->api_client_handle = sapi_handle;
1474 rmp->wrk_index = args.wrk_map_index;
1475 rmp->segment_handle = args.segment_handle;
1476 if (!rv && mp->is_add)
1478 /* No segment name and size. This supports only memfds */
1479 rmp->app_event_queue_address =
1480 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1482 rmp->fd_flags = fd_flags;
1484 /* Update app index for socket */
1485 handle = (app_ns_api_handle_t *) & cs->private_data;
1486 app_wrk = application_get_worker (app, args.wrk_map_index);
1487 handle->aah_app_wrk_index = app_wrk->wrk_index;
1490 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1494 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1496 app_ns_api_handle_t *handle;
1497 app_worker_t *app_wrk;
1498 u32 api_client_handle;
1500 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1501 sapi_socket_close_w_handle (api_client_handle);
1503 /* Cleanup everything because app worker closed socket or crashed */
1504 handle = (app_ns_api_handle_t *) & cs->private_data;
1505 app_wrk = app_worker_get (handle->aah_app_wrk_index);
1507 vnet_app_worker_add_del_args_t args = {
1508 .app_index = app_wrk->app_index,
1509 .wrk_map_index = app_wrk->wrk_map_index,
1510 .api_client_index = api_client_handle,
1513 /* Send rpc to main thread for worker barrier */
1514 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1518 static clib_error_t *
1519 sapi_sock_read_ready (clib_file_t * cf)
1521 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1522 vlib_main_t *vm = vlib_get_main ();
1523 app_sapi_msg_t msg = { 0 };
1524 app_namespace_t *app_ns;
1525 clib_error_t *err = 0;
1528 app_ns = app_namespace_get (handle->aah_app_ns_index);
1529 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1533 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1536 clib_error_free (err);
1537 sapi_socket_detach (app_ns, cs);
1541 handle = (app_ns_api_handle_t *) & cs->private_data;
1543 vlib_worker_thread_barrier_sync (vm);
1547 case APP_SAPI_MSG_TYPE_ATTACH:
1548 session_api_attach_handler (app_ns, cs, &msg.attach);
1550 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1551 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1554 clib_warning ("app wrk %u unknown message type: %u",
1555 handle->aah_app_wrk_index, msg.type);
1559 vlib_worker_thread_barrier_release (vm);
1565 static clib_error_t *
1566 sapi_sock_write_ready (clib_file_t * cf)
1568 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1569 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1573 static clib_error_t *
1574 sapi_sock_error (clib_file_t * cf)
1576 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1577 app_namespace_t *app_ns;
1580 app_ns = app_namespace_get (handle->aah_app_ns_index);
1581 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1585 sapi_socket_detach (app_ns, cs);
1589 static clib_error_t *
1590 sapi_sock_accept_ready (clib_file_t * scf)
1592 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1593 app_namespace_t *app_ns;
1594 clib_file_t cf = { 0 };
1595 clib_error_t *err = 0;
1596 clib_socket_t *ccs, *scs;
1598 /* Listener files point to namespace */
1599 app_ns = app_namespace_get (handle.aah_app_ns_index);
1602 * Initialize client socket
1604 ccs = appns_sapi_alloc_socket (app_ns);
1606 /* Grab server socket after client is initialized */
1607 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1611 err = clib_socket_accept (scs, ccs);
1614 clib_error_report (err);
1618 cf.read_function = sapi_sock_read_ready;
1619 cf.write_function = sapi_sock_write_ready;
1620 cf.error_function = sapi_sock_error;
1621 cf.file_descriptor = ccs->fd;
1622 /* File points to app namespace and socket */
1623 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1624 cf.private_data = handle.as_u64;
1625 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1627 /* Poll until we get an attach message. Socket points to file and
1628 * application that owns the socket */
1629 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1630 handle.aah_file_index = clib_file_add (&file_main, &cf);
1631 ccs->private_data = handle.as_u64;
1636 appns_sapi_free_socket (app_ns, ccs);
1641 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1643 char *subdir = "/app_ns_sockets/";
1644 app_ns_api_handle_t *handle;
1645 clib_file_t cf = { 0 };
1646 struct stat file_stat;
1652 vec_add (dir, vlib_unix_get_runtime_dir (),
1653 strlen (vlib_unix_get_runtime_dir ()));
1654 vec_add (dir, (u8 *) subdir, strlen (subdir));
1656 err = vlib_unix_recursive_mkdir ((char *) dir);
1659 clib_error_report (err);
1664 app_ns->sock_name = format (0, "%v%v%c", dir, app_ns->ns_id, 0);
1667 * Create and initialize socket to listen on
1669 cs = appns_sapi_alloc_socket (app_ns);
1670 cs->config = (char *) app_ns->sock_name;
1671 cs->flags = CLIB_SOCKET_F_IS_SERVER |
1672 CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1673 CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1675 if ((err = clib_socket_init (cs)))
1677 clib_error_report (err);
1682 if (stat ((char *) app_ns->sock_name, &file_stat) == -1)
1691 cf.read_function = sapi_sock_accept_ready;
1692 cf.file_descriptor = cs->fd;
1693 /* File points to namespace */
1694 handle = (app_ns_api_handle_t *) & cf.private_data;
1695 handle->aah_app_ns_index = app_namespace_index (app_ns);
1696 handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1697 cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1699 /* Socket points to clib file index */
1700 handle = (app_ns_api_handle_t *) & cs->private_data;
1701 handle->aah_file_index = clib_file_add (&file_main, &cf);
1702 handle->aah_app_wrk_index = APP_INVALID_INDEX;
1710 * fd.io coding-style-patch-verification: ON
1713 * eval: (c-set-style "gnu")