2 * Copyright (c) 2015-2019 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/vnet.h>
17 #include <vlibmemory/api.h>
18 #include <vnet/session/application.h>
19 #include <vnet/session/application_interface.h>
20 #include <vnet/session/application_local.h>
21 #include <vnet/session/session_rules_table.h>
22 #include <vnet/session/session_table.h>
23 #include <vnet/session/session.h>
24 #include <vnet/ip/ip_types_api.h>
26 #include <vnet/format_fns.h>
27 #include <vnet/session/session.api_enum.h>
28 #include <vnet/session/session.api_types.h>
30 #define REPLY_MSG_ID_BASE session_main.msg_id_base
31 #include <vlibapi/api_helper_macros.h>
33 static transport_proto_t
34 api_session_transport_proto_decode (const vl_api_transport_proto_t * api_tp)
38 case TRANSPORT_PROTO_API_TCP:
39 return TRANSPORT_PROTO_TCP;
40 case TRANSPORT_PROTO_API_UDP:
41 return TRANSPORT_PROTO_UDP;
42 case TRANSPORT_PROTO_API_TLS:
43 return TRANSPORT_PROTO_TLS;
44 case TRANSPORT_PROTO_API_QUIC:
45 return TRANSPORT_PROTO_QUIC;
47 return TRANSPORT_PROTO_NONE;
51 static vl_api_transport_proto_t
52 api_session_transport_proto_encode (const transport_proto_t tp)
56 case TRANSPORT_PROTO_TCP:
57 return TRANSPORT_PROTO_API_TCP;
58 case TRANSPORT_PROTO_UDP:
59 return TRANSPORT_PROTO_API_UDP;
60 case TRANSPORT_PROTO_TLS:
61 return TRANSPORT_PROTO_API_TLS;
62 case TRANSPORT_PROTO_QUIC:
63 return TRANSPORT_PROTO_API_QUIC;
65 return TRANSPORT_PROTO_API_NONE;
70 session_send_fds (vl_api_registration_t * reg, int fds[], int n_fds)
73 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
74 return SESSION_E_BAPI_NO_FD;
75 error = vl_api_send_fd_msg (reg, fds, n_fds);
78 clib_error_report (error);
79 return SESSION_E_BAPI_SEND_FD;
85 mq_send_session_accepted_cb (session_t * s)
87 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
88 session_accepted_msg_t m = { 0 };
89 fifo_segment_t *eq_seg;
93 app = application_get (app_wrk->app_index);
95 m.context = app->app_index;
96 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
97 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
98 m.segment_handle = session_segment_handle (s);
101 eq_seg = application_get_rx_mqs_segment (app);
103 if (session_has_transport (s))
105 listener = listen_session_get_from_handle (s->listener_handle);
106 m.listener_handle = app_listen_session_handle (listener);
107 if (application_is_proxy (app))
110 app_worker_first_listener (app_wrk, session_get_fib_proto (s),
111 session_get_transport_proto (s));
113 m.listener_handle = listen_session_get_handle (listener);
115 m.vpp_event_queue_address =
116 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
117 m.mq_index = s->thread_index;
118 m.handle = session_handle (s);
120 session_get_endpoint (s, &m.rmt, 0 /* is_lcl */);
121 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
127 ct = (ct_connection_t *) session_get_transport (s);
128 listener = listen_session_get_from_handle (s->listener_handle);
129 m.listener_handle = app_listen_session_handle (listener);
130 m.rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
131 m.rmt.port = ct->c_rmt_port;
132 m.lcl.port = ct->c_lcl_port;
133 m.handle = session_handle (s);
134 m.vpp_event_queue_address =
135 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
136 m.mq_index = s->thread_index;
139 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_ACCEPTED, &m, sizeof (m));
145 mq_send_session_close_evt (app_worker_t * app_wrk, session_handle_t sh,
146 session_evt_type_t evt_type)
148 session_disconnected_msg_t m = { 0 };
151 m.context = app_wrk->api_client_index;
153 app_wrk_send_ctrl_evt (app_wrk, evt_type, &m, sizeof (m));
157 mq_notify_close_subscribers (u32 app_index, session_handle_t sh,
158 svm_fifo_t * f, session_evt_type_t evt_type)
160 app_worker_t *app_wrk;
164 app = application_get (app_index);
168 for (i = 0; i < f->shr->n_subscribers; i++)
170 if (!(app_wrk = application_get_worker (app, f->shr->subscribers[i])))
172 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
177 mq_send_session_disconnected_cb (session_t * s)
179 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
180 session_handle_t sh = session_handle (s);
182 mq_send_session_close_evt (app_wrk, session_handle (s),
183 SESSION_CTRL_EVT_DISCONNECTED);
185 if (svm_fifo_n_subscribers (s->rx_fifo))
186 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
187 SESSION_CTRL_EVT_DISCONNECTED);
191 mq_send_session_reset_cb (session_t * s)
193 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
194 session_handle_t sh = session_handle (s);
196 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_RESET);
198 if (svm_fifo_n_subscribers (s->rx_fifo))
199 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
200 SESSION_CTRL_EVT_RESET);
204 mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
205 session_t * s, session_error_t err)
207 session_connected_msg_t m = { 0 };
208 transport_connection_t *tc;
209 fifo_segment_t *eq_seg;
210 app_worker_t *app_wrk;
213 app_wrk = app_worker_get (app_wrk_index);
215 m.context = api_context;
221 app = application_get (app_wrk->app_index);
222 eq_seg = application_get_rx_mqs_segment (app);
224 if (session_has_transport (s))
226 tc = session_get_transport (s);
229 clib_warning ("failed to retrieve transport!");
230 m.retval = SESSION_E_REFUSED;
234 m.handle = session_handle (s);
235 m.vpp_event_queue_address =
236 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
238 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
240 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
241 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
242 m.segment_handle = session_segment_handle (s);
243 m.mq_index = s->thread_index;
247 ct_connection_t *cct;
250 cct = (ct_connection_t *) session_get_transport (s);
251 m.handle = session_handle (s);
252 m.lcl.port = cct->c_lcl_port;
253 m.lcl.is_ip4 = cct->c_is_ip4;
254 m.vpp_event_queue_address =
255 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
256 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
257 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
258 m.segment_handle = session_segment_handle (s);
259 ss = ct_session_get_peer (s);
260 m.ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
261 m.ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
262 m.ct_segment_handle = session_segment_handle (ss);
263 m.mq_index = s->thread_index;
266 /* Setup client session index in advance, in case data arrives
267 * before the app processes message and updates it */
268 s->rx_fifo->shr->client_session_index = api_context;
269 s->tx_fifo->shr->client_session_index = api_context;
273 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_CONNECTED, &m, sizeof (m));
279 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
280 session_handle_t handle, int rv)
282 session_bound_msg_t m = { 0 };
283 transport_endpoint_t tep;
284 fifo_segment_t *eq_seg;
285 app_worker_t *app_wrk;
290 app_wrk = app_worker_get (app_wrk_index);
292 m.context = api_context;
299 al = app_listener_get_w_handle (handle);
300 if (al->session_index != SESSION_INVALID_INDEX)
301 ls = app_listener_get_session (al);
303 ls = app_listener_get_local_session (al);
305 session_get_endpoint (ls, &tep, 1 /* is_lcl */);
306 m.lcl_port = tep.port;
307 m.lcl_is_ip4 = tep.is_ip4;
308 clib_memcpy_fast (m.lcl_ip, &tep.ip, sizeof (tep.ip));
309 app = application_get (app_wrk->app_index);
310 eq_seg = application_get_rx_mqs_segment (app);
311 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
312 m.mq_index = ls->thread_index;
314 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL &&
317 m.mq_index = transport_cl_thread ();
318 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, m.mq_index);
319 m.rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
320 m.tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
321 m.segment_handle = session_segment_handle (ls);
326 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_BOUND, &m, sizeof (m));
332 mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
335 session_unlisten_reply_msg_t m = { 0 };
340 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_UNLISTEN_REPLY, &m,
345 mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
347 session_migrated_msg_t m = { 0 };
348 fifo_segment_t *eq_seg;
349 app_worker_t *app_wrk;
353 thread_index = session_thread_from_handle (new_sh);
354 app_wrk = app_worker_get (s->app_wrk_index);
355 app = application_get (app_wrk->app_index);
356 eq_seg = application_get_rx_mqs_segment (app);
358 m.handle = session_handle (s);
359 m.new_handle = new_sh;
360 m.vpp_thread_index = thread_index;
361 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
362 m.segment_handle = SESSION_INVALID_HANDLE;
364 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_MIGRATED, &m, sizeof (m));
368 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
370 session_app_add_segment_msg_t m = { 0 };
371 vl_api_registration_t *reg;
372 app_worker_t *app_wrk;
377 app_wrk = app_worker_get (app_wrk_index);
379 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
382 clib_warning ("no api registration for client: %u",
383 app_wrk->api_client_index);
387 fs = segment_manager_get_segment_w_handle (segment_handle);
389 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
391 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
393 clib_warning ("can't send memfd fd");
397 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
400 m.segment_size = sp->ssvm_size;
401 m.fd_flags = fd_flags;
402 m.segment_handle = segment_handle;
403 strncpy ((char *) m.segment_name, (char *) sp->name,
404 sizeof (m.segment_name) - 1);
406 app_wrk_send_ctrl_evt_fd (app_wrk, SESSION_CTRL_EVT_APP_ADD_SEGMENT, &m,
413 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
415 session_app_del_segment_msg_t m = { 0 };
416 vl_api_registration_t *reg;
417 app_worker_t *app_wrk;
419 app_wrk = app_worker_get (app_wrk_index);
420 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
423 clib_warning ("no registration: %u", app_wrk->api_client_index);
427 m.segment_handle = segment_handle;
429 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_APP_DEL_SEGMENT, &m,
436 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
438 session_cleanup_msg_t m = { 0 };
439 app_worker_t *app_wrk;
441 /* Propagate transport cleanup notifications only if app didn't close */
442 if (ntf == SESSION_CLEANUP_TRANSPORT
443 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
446 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
450 m.handle = session_handle (s);
453 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_CLEANUP, &m, sizeof (m));
456 static session_cb_vft_t session_mq_cb_vft = {
457 .session_accept_callback = mq_send_session_accepted_cb,
458 .session_disconnect_callback = mq_send_session_disconnected_cb,
459 .session_connected_callback = mq_send_session_connected_cb,
460 .session_reset_callback = mq_send_session_reset_cb,
461 .session_migrate_callback = mq_send_session_migrate_cb,
462 .session_cleanup_callback = mq_send_session_cleanup_cb,
463 .add_segment_callback = mq_send_add_segment_cb,
464 .del_segment_callback = mq_send_del_segment_cb,
468 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
470 vl_api_session_enable_disable_reply_t *rmp;
471 vlib_main_t *vm = vlib_get_main ();
474 vnet_session_enable_disable (vm, mp->is_enable);
475 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
479 vl_api_session_sapi_enable_disable_t_handler (
480 vl_api_session_sapi_enable_disable_t *mp)
482 vl_api_session_sapi_enable_disable_reply_t *rmp;
485 rv = appns_sapi_enable_disable (mp->is_enable);
486 REPLY_MACRO (VL_API_SESSION_SAPI_ENABLE_DISABLE_REPLY);
490 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
492 int rv = 0, *fds = 0, n_fds = 0, n_workers, i;
493 fifo_segment_t *segp, *rx_mqs_seg = 0;
494 vnet_app_attach_args_t _a, *a = &_a;
495 vl_api_app_attach_reply_t *rmp;
496 u8 fd_flags = 0, ctrl_thread;
497 vl_api_registration_t *reg;
501 reg = vl_api_client_index_to_registration (mp->client_index);
505 n_workers = vlib_num_workers ();
506 if (!session_main_is_enabled () || appns_sapi_enabled ())
508 rv = VNET_API_ERROR_FEATURE_DISABLED;
511 /* Only support binary api with socket transport */
512 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
514 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
518 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
519 sizeof (mp->options),
520 "Out of options, fix api message definition");
522 clib_memset (a, 0, sizeof (*a));
523 a->api_client_index = mp->client_index;
524 a->options = mp->options;
525 a->session_cb_vft = &session_mq_cb_vft;
526 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
528 if ((rv = vnet_application_attach (a)))
530 clib_warning ("attach returned: %d", rv);
531 vec_free (a->namespace_id);
534 vec_free (a->namespace_id);
536 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
538 /* Send rx mqs segment */
539 app = application_get (a->app_index);
540 rx_mqs_seg = application_get_rx_mqs_segment (app);
542 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
543 fds[n_fds] = rx_mqs_seg->ssvm.fd;
546 /* Send fifo segment fd if needed */
547 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
549 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
550 fds[n_fds] = a->segment->fd;
553 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
555 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
556 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
560 if (application_use_private_rx_mqs ())
562 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
563 for (i = 0; i < n_workers + 1; i++)
565 rx_mq = application_rx_mq_get (app, i);
566 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
574 VL_API_APP_ATTACH_REPLY,
575 ((!rv) ? vec_len (((fifo_segment_t *) a->segment)->ssvm.name) : 0), ({
578 ctrl_thread = n_workers ? 1 : 0;
579 segp = (fifo_segment_t *) a->segment;
580 rmp->app_index = clib_host_to_net_u32 (a->app_index);
581 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
583 fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
584 rmp->vpp_ctrl_mq_thread = ctrl_thread;
586 rmp->fd_flags = fd_flags;
587 if (vec_len (segp->ssvm.name))
589 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
591 rmp->segment_size = segp->ssvm.ssvm_size;
592 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
598 session_send_fds (reg, fds, n_fds);
603 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
605 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
606 vl_api_app_worker_add_del_reply_t *rmp;
607 vl_api_registration_t *reg;
611 if (!session_main_is_enabled () || appns_sapi_enabled ())
613 rv = VNET_API_ERROR_FEATURE_DISABLED;
617 reg = vl_api_client_index_to_registration (mp->client_index);
621 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
624 rv = VNET_API_ERROR_INVALID_VALUE;
628 vnet_app_worker_add_del_args_t args = {
629 .app_index = app->app_index,
630 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
631 .api_client_index = mp->client_index,
634 rv = vnet_app_worker_add_del (&args);
637 clib_warning ("app worker add/del returned: %d", rv);
644 /* Send fifo segment fd if needed */
645 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
647 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
648 fds[n_fds] = args.segment->fd;
651 if (application_segment_manager_properties (app)->use_mq_eventfd)
653 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
654 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
661 VL_API_APP_WORKER_ADD_DEL_REPLY,
662 ((!rv && mp->is_add) ? vec_len (args.segment->name) : 0), ({
663 rmp->is_add = mp->is_add;
664 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
665 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
666 if (!rv && mp->is_add)
668 rmp->app_event_queue_address =
669 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
671 rmp->fd_flags = fd_flags;
672 if (vec_len (args.segment->name))
674 vl_api_vec_to_api_string (args.segment->name,
682 session_send_fds (reg, fds, n_fds);
686 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
688 vl_api_application_detach_reply_t *rmp;
689 int rv = VNET_API_ERROR_INVALID_VALUE_2;
690 vnet_app_detach_args_t _a, *a = &_a;
693 if (!session_main_is_enabled () || appns_sapi_enabled ())
695 rv = VNET_API_ERROR_FEATURE_DISABLED;
699 app = application_lookup (mp->client_index);
702 a->app_index = app->app_index;
703 a->api_client_index = mp->client_index;
704 rv = vnet_application_detach (a);
708 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
712 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
714 vl_api_app_namespace_add_del_reply_t *rmp;
718 if (session_main_is_enabled () == 0)
720 rv = VNET_API_ERROR_FEATURE_DISABLED;
724 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
726 vnet_app_namespace_add_del_args_t args = {
729 .secret = clib_net_to_host_u64 (mp->secret),
730 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
731 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
732 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
735 rv = vnet_app_namespace_add_del (&args);
738 appns_index = app_namespace_index_from_id (ns_id);
739 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
741 clib_warning ("app ns lookup failed");
742 rv = VNET_API_ERROR_UNSPECIFIED;
749 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
751 rmp->appns_index = clib_host_to_net_u32 (appns_index);
757 vl_api_app_namespace_add_del_v2_t_handler (
758 vl_api_app_namespace_add_del_v2_t *mp)
760 vl_api_app_namespace_add_del_v2_reply_t *rmp;
765 if (session_main_is_enabled () == 0)
767 rv = VNET_API_ERROR_FEATURE_DISABLED;
771 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
772 ns_id = format (0, "%s", &mp->namespace_id);
774 vnet_app_namespace_add_del_args_t args = {
777 .secret = clib_net_to_host_u64 (mp->secret),
778 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
779 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
780 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
783 rv = vnet_app_namespace_add_del (&args);
786 appns_index = app_namespace_index_from_id (ns_id);
787 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
789 clib_warning ("app ns lookup failed id:%s", ns_id);
790 rv = VNET_API_ERROR_UNSPECIFIED;
796 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V2_REPLY, ({
798 rmp->appns_index = clib_host_to_net_u32 (appns_index);
803 vl_api_app_namespace_add_del_v4_t_handler (
804 vl_api_app_namespace_add_del_v4_t *mp)
806 vl_api_app_namespace_add_del_v4_reply_t *rmp;
807 u8 *ns_id = 0, *sock_name = 0;
810 if (session_main_is_enabled () == 0)
812 rv = VNET_API_ERROR_FEATURE_DISABLED;
815 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
816 ns_id = format (0, "%s", &mp->namespace_id);
817 sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
818 vnet_app_namespace_add_del_args_t args = {
820 .sock_name = sock_name,
821 .secret = clib_net_to_host_u64 (mp->secret),
822 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
823 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
824 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
825 .is_add = mp->is_add,
827 rv = vnet_app_namespace_add_del (&args);
828 if (!rv && mp->is_add)
830 appns_index = app_namespace_index_from_id (ns_id);
831 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
833 clib_warning ("app ns lookup failed id:%s", ns_id);
834 rv = VNET_API_ERROR_UNSPECIFIED;
838 vec_free (sock_name);
840 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V4_REPLY, ({
842 rmp->appns_index = clib_host_to_net_u32 (appns_index);
847 vl_api_app_namespace_add_del_v3_t_handler (
848 vl_api_app_namespace_add_del_v3_t *mp)
850 vl_api_app_namespace_add_del_v3_reply_t *rmp;
851 u8 *ns_id = 0, *sock_name = 0, *api_sock_name = 0;
854 if (session_main_is_enabled () == 0)
856 rv = VNET_API_ERROR_FEATURE_DISABLED;
859 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
860 ns_id = format (0, "%s", &mp->namespace_id);
861 api_sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
862 mp->netns[sizeof (mp->netns) - 1] = 0;
863 if (strlen ((char *) mp->netns) != 0)
866 format (0, "abstract:%v,netns_name=%s", api_sock_name, &mp->netns);
870 sock_name = api_sock_name;
871 api_sock_name = 0; // for vec_free
874 vnet_app_namespace_add_del_args_t args = {
876 .sock_name = sock_name,
877 .secret = clib_net_to_host_u64 (mp->secret),
878 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
879 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
880 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
881 .is_add = mp->is_add,
883 rv = vnet_app_namespace_add_del (&args);
884 if (!rv && mp->is_add)
886 appns_index = app_namespace_index_from_id (ns_id);
887 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
889 clib_warning ("app ns lookup failed id:%s", ns_id);
890 rv = VNET_API_ERROR_UNSPECIFIED;
894 vec_free (sock_name);
895 vec_free (api_sock_name);
897 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V3_REPLY, ({
899 rmp->appns_index = clib_host_to_net_u32 (appns_index);
904 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
906 vl_api_session_rule_add_del_reply_t *rmp;
907 session_rule_add_del_args_t args;
908 session_rule_table_add_del_args_t *table_args = &args.table_args;
911 clib_memset (&args, 0, sizeof (args));
913 ip_prefix_decode (&mp->lcl, &table_args->lcl);
914 ip_prefix_decode (&mp->rmt, &table_args->rmt);
916 table_args->lcl_port = mp->lcl_port;
917 table_args->rmt_port = mp->rmt_port;
918 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
919 table_args->is_add = mp->is_add;
920 mp->tag[sizeof (mp->tag) - 1] = 0;
921 table_args->tag = format (0, "%s", mp->tag);
922 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
923 args.scope = mp->scope;
924 args.transport_proto =
925 api_session_transport_proto_decode (&mp->transport_proto) ==
926 TRANSPORT_PROTO_UDP ? 1 : 0;
928 rv = vnet_session_rule_add_del (&args);
930 clib_warning ("rule add del returned: %d", rv);
931 vec_free (table_args->tag);
932 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
936 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
937 u8 transport_proto, u32 appns_index, u8 * tag,
938 vl_api_registration_t * reg, u32 context)
940 vl_api_session_rules_details_t *rmp = 0;
941 session_mask_or_match_4_t *match =
942 (session_mask_or_match_4_t *) & rule->match;
943 session_mask_or_match_4_t *mask =
944 (session_mask_or_match_4_t *) & rule->mask;
945 fib_prefix_t lcl, rmt;
947 rmp = vl_msg_api_alloc (sizeof (*rmp));
948 clib_memset (rmp, 0, sizeof (*rmp));
949 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
950 rmp->context = context;
952 clib_memset (&lcl, 0, sizeof (lcl));
953 clib_memset (&rmt, 0, sizeof (rmt));
954 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
955 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
956 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
957 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
959 ip_prefix_encode (&lcl, &rmp->lcl);
960 ip_prefix_encode (&rmt, &rmp->rmt);
961 rmp->lcl_port = match->lcl_port;
962 rmp->rmt_port = match->rmt_port;
963 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
965 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
966 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
967 rmp->appns_index = clib_host_to_net_u32 (appns_index);
970 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
971 rmp->tag[vec_len (tag)] = 0;
974 vl_api_send_msg (reg, (u8 *) rmp);
978 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
979 u8 transport_proto, u32 appns_index, u8 * tag,
980 vl_api_registration_t * reg, u32 context)
982 vl_api_session_rules_details_t *rmp = 0;
983 session_mask_or_match_6_t *match =
984 (session_mask_or_match_6_t *) & rule->match;
985 session_mask_or_match_6_t *mask =
986 (session_mask_or_match_6_t *) & rule->mask;
987 fib_prefix_t lcl, rmt;
989 rmp = vl_msg_api_alloc (sizeof (*rmp));
990 clib_memset (rmp, 0, sizeof (*rmp));
991 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
992 rmp->context = context;
994 clib_memset (&lcl, 0, sizeof (lcl));
995 clib_memset (&rmt, 0, sizeof (rmt));
996 ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
997 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
998 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
999 rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
1001 ip_prefix_encode (&lcl, &rmp->lcl);
1002 ip_prefix_encode (&rmt, &rmp->rmt);
1003 rmp->lcl_port = match->lcl_port;
1004 rmp->rmt_port = match->rmt_port;
1005 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1007 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
1008 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
1009 rmp->appns_index = clib_host_to_net_u32 (appns_index);
1012 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1013 rmp->tag[vec_len (tag)] = 0;
1016 vl_api_send_msg (reg, (u8 *) rmp);
1020 send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
1021 u8 tp, u8 is_local, u32 appns_index,
1022 vl_api_registration_t * reg, u32 context)
1024 mma_rule_16_t *rule16;
1025 mma_rule_40_t *rule40;
1026 mma_rules_table_16_t *srt16;
1027 mma_rules_table_40_t *srt40;
1030 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1034 srt16 = &srt->session_rules_tables_16;
1035 pool_foreach (rule16, srt16->rules) {
1036 ri = mma_rules_table_rule_index_16 (srt16, rule16);
1037 tag = session_rules_table_rule_tag (srt, ri, 1);
1038 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1043 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1047 srt40 = &srt->session_rules_tables_40;
1048 pool_foreach (rule40, srt40->rules) {
1049 ri = mma_rules_table_rule_index_40 (srt40, rule40);
1050 tag = session_rules_table_rule_tag (srt, ri, 1);
1051 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1059 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1061 vl_api_registration_t *reg;
1062 session_table_t *st;
1065 reg = vl_api_client_index_to_registration (mp->client_index);
1070 session_table_foreach (st, ({
1071 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1073 send_session_rules_table_details (&st->session_rules[tp],
1074 st->active_fib_proto, tp,
1075 st->is_local, st->appns_index, reg,
1083 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1085 vl_api_app_add_cert_key_pair_reply_t *rmp;
1086 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1087 u32 certkey_len, key_len, cert_len;
1089 if (session_main_is_enabled () == 0)
1091 rv = VNET_API_ERROR_FEATURE_DISABLED;
1095 cert_len = clib_net_to_host_u16 (mp->cert_len);
1096 if (cert_len > 10000)
1098 rv = VNET_API_ERROR_INVALID_VALUE;
1102 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1103 if (certkey_len < cert_len)
1105 rv = VNET_API_ERROR_INVALID_VALUE;
1109 key_len = certkey_len - cert_len;
1110 if (key_len > 10000)
1112 rv = VNET_API_ERROR_INVALID_VALUE;
1116 clib_memset (a, 0, sizeof (*a));
1117 a->cert = mp->certkey;
1118 a->key = mp->certkey + cert_len;
1119 a->cert_len = cert_len;
1120 a->key_len = key_len;
1121 rv = vnet_app_add_cert_key_pair (a);
1125 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1127 rmp->index = clib_host_to_net_u32 (a->index);
1133 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1135 vl_api_app_del_cert_key_pair_reply_t *rmp;
1138 if (session_main_is_enabled () == 0)
1140 rv = VNET_API_ERROR_FEATURE_DISABLED;
1143 ckpair_index = clib_net_to_host_u32 (mp->index);
1144 rv = vnet_app_del_cert_key_pair (ckpair_index);
1147 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1150 static clib_error_t *
1151 application_reaper_cb (u32 client_index)
1153 application_t *app = application_lookup (client_index);
1154 vnet_app_detach_args_t _a, *a = &_a;
1157 a->app_index = app->app_index;
1158 a->api_client_index = client_index;
1159 vnet_application_detach (a);
1164 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1167 * Socket api functions
1171 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1173 session_app_add_segment_msg_t m = { 0 };
1174 app_worker_t *app_wrk;
1179 app_wrk = app_worker_get (app_wrk_index);
1181 fs = segment_manager_get_segment_w_handle (segment_handle);
1183 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1185 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1187 m.segment_size = sp->ssvm_size;
1188 m.fd_flags = fd_flags;
1189 m.segment_handle = segment_handle;
1190 strncpy ((char *) m.segment_name, (char *) sp->name,
1191 sizeof (m.segment_name) - 1);
1193 app_wrk_send_ctrl_evt_fd (app_wrk, SESSION_CTRL_EVT_APP_ADD_SEGMENT, &m,
1194 sizeof (m), sp->fd);
1200 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1202 session_app_del_segment_msg_t m = { 0 };
1203 app_worker_t *app_wrk;
1205 app_wrk = app_worker_get (app_wrk_index);
1207 m.segment_handle = segment_handle;
1209 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_APP_DEL_SEGMENT, &m,
1215 static session_cb_vft_t session_mq_sapi_cb_vft = {
1216 .session_accept_callback = mq_send_session_accepted_cb,
1217 .session_disconnect_callback = mq_send_session_disconnected_cb,
1218 .session_connected_callback = mq_send_session_connected_cb,
1219 .session_reset_callback = mq_send_session_reset_cb,
1220 .session_migrate_callback = mq_send_session_migrate_cb,
1221 .session_cleanup_callback = mq_send_session_cleanup_cb,
1222 .add_segment_callback = mq_send_add_segment_sapi_cb,
1223 .del_segment_callback = mq_send_del_segment_sapi_cb,
1227 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1228 app_sapi_attach_msg_t * mp)
1230 int rv = 0, *fds = 0, n_fds = 0, i, n_workers;
1231 vnet_app_attach_args_t _a, *a = &_a;
1232 app_sapi_attach_reply_msg_t *rmp;
1233 u8 fd_flags = 0, ctrl_thread;
1234 app_ns_api_handle_t *handle;
1235 fifo_segment_t *rx_mqs_seg;
1236 app_sapi_msg_t msg = { 0 };
1237 app_worker_t *app_wrk;
1241 /* Make sure name is null terminated */
1244 clib_memset (a, 0, sizeof (*a));
1245 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1246 a->name = format (0, "%s", (char *) mp->name);
1247 a->options = mp->options;
1248 a->session_cb_vft = &session_mq_sapi_cb_vft;
1249 a->use_sock_api = 1;
1250 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1252 if ((rv = vnet_application_attach (a)))
1254 clib_warning ("attach returned: %d", rv);
1258 n_workers = vlib_num_workers ();
1259 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
1261 /* Send event queues segment */
1262 app = application_get (a->app_index);
1263 rx_mqs_seg = application_get_rx_mqs_segment (app);
1265 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1266 fds[n_fds] = rx_mqs_seg->ssvm.fd;
1269 /* Send fifo segment fd if needed */
1270 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1272 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1273 fds[n_fds] = a->segment->fd;
1276 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1278 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1279 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1283 if (application_use_private_rx_mqs ())
1285 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
1286 for (i = 0; i < n_workers + 1; i++)
1288 rx_mq = application_rx_mq_get (app, i);
1289 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
1296 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1297 rmp = &msg.attach_reply;
1301 ctrl_thread = n_workers ? 1 : 0;
1302 rmp->app_index = a->app_index;
1304 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1305 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
1306 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1308 rmp->fd_flags = fd_flags;
1309 /* No segment name and size since we only support memfds
1310 * in this configuration */
1311 rmp->segment_handle = a->segment_handle;
1312 rmp->api_client_handle = a->api_client_index;
1314 /* Update app index for socket */
1315 handle = (app_ns_api_handle_t *) & cs->private_data;
1316 app_wrk = application_get_worker (app, 0);
1317 handle->aah_app_wrk_index = app_wrk->wrk_index;
1320 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1326 sapi_socket_close_w_handle (u32 api_handle)
1328 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1329 u16 sock_index = api_handle & 0xffff;
1330 app_ns_api_handle_t *handle;
1334 cs = appns_sapi_get_socket (app_ns, sock_index);
1338 handle = (app_ns_api_handle_t *) & cs->private_data;
1339 cf = clib_file_get (&file_main, handle->aah_file_index);
1340 clib_file_del (&file_main, cf);
1342 clib_socket_close (cs);
1343 appns_sapi_free_socket (app_ns, cs);
1347 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1349 app_sapi_worker_add_del_msg_t * mp)
1351 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1352 app_sapi_worker_add_del_reply_msg_t *rmp;
1353 app_ns_api_handle_t *handle;
1354 app_sapi_msg_t msg = { 0 };
1355 app_worker_t *app_wrk;
1356 u32 sapi_handle = -1;
1360 app = application_get_if_valid (mp->app_index);
1363 rv = VNET_API_ERROR_INVALID_VALUE;
1367 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1369 vnet_app_worker_add_del_args_t args = {
1370 .app_index = app->app_index,
1371 .wrk_map_index = mp->wrk_index,
1372 .api_client_index = sapi_handle,
1373 .is_add = mp->is_add
1375 rv = vnet_app_worker_add_del (&args);
1378 clib_warning ("app worker add/del returned: %d", rv);
1385 /* Send fifo segment fd if needed */
1386 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1388 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1389 fds[n_fds] = args.segment->fd;
1392 if (application_segment_manager_properties (app)->use_mq_eventfd)
1394 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1395 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1401 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1402 rmp = &msg.worker_add_del_reply;
1404 rmp->is_add = mp->is_add;
1405 rmp->api_client_handle = sapi_handle;
1406 rmp->wrk_index = args.wrk_map_index;
1407 rmp->segment_handle = args.segment_handle;
1408 if (!rv && mp->is_add)
1410 /* No segment name and size. This supports only memfds */
1411 rmp->app_event_queue_address =
1412 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1414 rmp->fd_flags = fd_flags;
1416 /* Update app index for socket */
1417 handle = (app_ns_api_handle_t *) & cs->private_data;
1418 app_wrk = application_get_worker (app, args.wrk_map_index);
1419 handle->aah_app_wrk_index = app_wrk->wrk_index;
1422 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1425 /* This is a workaround for the case when session layer starts reading
1426 * the socket before the client actualy sends the data
1428 static clib_error_t *
1429 sapi_socket_receive_wait (clib_socket_t *cs, u8 *msg, u32 msg_len)
1436 err = clib_socket_recvmsg (cs, msg, msg_len, 0, 0);
1451 sapi_add_del_cert_key_handler (app_namespace_t *app_ns, clib_socket_t *cs,
1452 app_sapi_cert_key_add_del_msg_t *mp)
1454 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1455 app_sapi_cert_key_add_del_reply_msg_t *rmp;
1456 app_sapi_msg_t msg = { 0 };
1461 const u32 max_certkey_len = 2e4, max_cert_len = 1e4, max_key_len = 1e4;
1466 if (mp->certkey_len > max_certkey_len)
1468 rv = SESSION_E_INVALID;
1472 vec_validate (certkey, mp->certkey_len - 1);
1474 err = sapi_socket_receive_wait (cs, certkey, mp->certkey_len);
1477 clib_error_report (err);
1478 rv = SESSION_E_INVALID;
1482 if (mp->cert_len > max_cert_len)
1484 rv = SESSION_E_INVALID;
1488 if (mp->certkey_len < mp->cert_len)
1490 rv = SESSION_E_INVALID;
1494 key_len = mp->certkey_len - mp->cert_len;
1495 if (key_len > max_key_len)
1497 rv = SESSION_E_INVALID;
1501 clib_memset (a, 0, sizeof (*a));
1503 a->key = certkey + mp->cert_len;
1504 a->cert_len = mp->cert_len;
1505 a->key_len = key_len;
1506 rv = vnet_app_add_cert_key_pair (a);
1512 rv = vnet_app_del_cert_key_pair (mp->index);
1517 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY_REPLY;
1518 rmp = &msg.cert_key_add_del_reply;
1520 rmp->context = mp->context;
1521 if (!rv && mp->is_add)
1522 rmp->index = a->index;
1524 clib_socket_sendmsg (cs, &msg, sizeof (msg), 0, 0);
1528 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1530 app_ns_api_handle_t *handle;
1531 app_worker_t *app_wrk;
1532 u32 api_client_handle;
1534 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1536 /* Cleanup everything because app worker closed socket or crashed */
1537 handle = (app_ns_api_handle_t *) & cs->private_data;
1538 app_wrk = app_worker_get_if_valid (handle->aah_app_wrk_index);
1542 vnet_app_worker_add_del_args_t args = {
1543 .app_index = app_wrk->app_index,
1544 .wrk_map_index = app_wrk->wrk_map_index,
1545 .api_client_index = api_client_handle,
1548 /* Send rpc to main thread for worker barrier */
1549 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1553 static clib_error_t *
1554 sapi_sock_read_ready (clib_file_t * cf)
1556 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1557 vlib_main_t *vm = vlib_get_main ();
1558 app_sapi_msg_t msg = { 0 };
1559 app_namespace_t *app_ns;
1560 clib_error_t *err = 0;
1563 app_ns = app_namespace_get (handle->aah_app_ns_index);
1564 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1568 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1571 clib_error_free (err);
1572 sapi_socket_detach (app_ns, cs);
1576 handle = (app_ns_api_handle_t *) & cs->private_data;
1578 vlib_worker_thread_barrier_sync (vm);
1582 case APP_SAPI_MSG_TYPE_ATTACH:
1583 session_api_attach_handler (app_ns, cs, &msg.attach);
1585 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1586 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1588 case APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY:
1589 sapi_add_del_cert_key_handler (app_ns, cs, &msg.cert_key_add_del);
1592 clib_warning ("app wrk %u unknown message type: %u",
1593 handle->aah_app_wrk_index, msg.type);
1597 vlib_worker_thread_barrier_release (vm);
1603 static clib_error_t *
1604 sapi_sock_write_ready (clib_file_t * cf)
1606 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1607 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1611 static clib_error_t *
1612 sapi_sock_error (clib_file_t * cf)
1614 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1615 app_namespace_t *app_ns;
1618 app_ns = app_namespace_get (handle->aah_app_ns_index);
1619 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1623 sapi_socket_detach (app_ns, cs);
1627 static clib_error_t *
1628 sapi_sock_accept_ready (clib_file_t * scf)
1630 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1631 app_namespace_t *app_ns;
1632 clib_file_t cf = { 0 };
1633 clib_error_t *err = 0;
1634 clib_socket_t *ccs, *scs;
1636 /* Listener files point to namespace */
1637 app_ns = app_namespace_get (handle.aah_app_ns_index);
1640 * Initialize client socket
1642 ccs = appns_sapi_alloc_socket (app_ns);
1644 /* Grab server socket after client is initialized */
1645 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1649 err = clib_socket_accept (scs, ccs);
1652 clib_error_report (err);
1656 cf.read_function = sapi_sock_read_ready;
1657 cf.write_function = sapi_sock_write_ready;
1658 cf.error_function = sapi_sock_error;
1659 cf.file_descriptor = ccs->fd;
1660 /* File points to app namespace and socket */
1661 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1662 cf.private_data = handle.as_u64;
1663 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1665 /* Poll until we get an attach message. Socket points to file and
1666 * application that owns the socket */
1667 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1668 handle.aah_file_index = clib_file_add (&file_main, &cf);
1669 ccs->private_data = handle.as_u64;
1674 appns_sapi_free_socket (app_ns, ccs);
1679 appns_sapi_del_ns_socket (app_namespace_t *app_ns)
1681 app_ns_api_handle_t *handle;
1684 pool_foreach (cs, app_ns->app_sockets)
1686 handle = (app_ns_api_handle_t *) &cs->private_data;
1687 clib_file_del_by_index (&file_main, handle->aah_file_index);
1689 clib_socket_close (cs);
1690 clib_socket_free (cs);
1692 pool_free (app_ns->app_sockets);
1696 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1698 char *subdir = "/app_ns_sockets/";
1699 app_ns_api_handle_t *handle;
1700 clib_file_t cf = { 0 };
1701 struct stat file_stat;
1706 snprintf (dir, sizeof (dir), "%s%s", vlib_unix_get_runtime_dir (), subdir);
1708 if (!app_ns->sock_name)
1709 app_ns->sock_name = format (0, "%s%v%c", dir, app_ns->ns_id, 0);
1712 * Create and initialize socket to listen on
1714 cs = appns_sapi_alloc_socket (app_ns);
1715 cs->config = (char *) vec_dup (app_ns->sock_name);
1716 cs->flags = CLIB_SOCKET_F_IS_SERVER |
1717 CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1718 CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1720 if (clib_socket_prefix_get_type (cs->config) == CLIB_SOCKET_TYPE_UNIX)
1722 err = vlib_unix_recursive_mkdir ((char *) dir);
1725 clib_error_report (err);
1726 return VNET_API_ERROR_SYSCALL_ERROR_1;
1730 if ((err = clib_socket_init (cs)))
1732 clib_error_report (err);
1736 if (clib_socket_prefix_get_type (cs->config) == CLIB_SOCKET_TYPE_UNIX &&
1737 stat ((char *) app_ns->sock_name, &file_stat) == -1)
1743 cf.read_function = sapi_sock_accept_ready;
1744 cf.file_descriptor = cs->fd;
1745 /* File points to namespace */
1746 handle = (app_ns_api_handle_t *) & cf.private_data;
1747 handle->aah_app_ns_index = app_namespace_index (app_ns);
1748 handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1749 cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1751 /* Socket points to clib file index */
1752 handle = (app_ns_api_handle_t *) & cs->private_data;
1753 handle->aah_file_index = clib_file_add (&file_main, &cf);
1754 handle->aah_app_wrk_index = APP_INVALID_INDEX;
1759 #include <vnet/session/session.api.c>
1760 static clib_error_t *
1761 session_api_hookup (vlib_main_t *vm)
1764 * Set up the (msg_name, crc, message-id) table
1766 REPLY_MSG_ID_BASE = setup_message_id_table ();
1771 VLIB_API_INIT_FUNCTION (session_api_hookup);
1774 * fd.io coding-style-patch-verification: ON
1777 * eval: (c-set-style "gnu")