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.rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
318 m.tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
319 m.segment_handle = session_segment_handle (ls);
324 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_BOUND, &m, sizeof (m));
330 mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
333 session_unlisten_reply_msg_t m = { 0 };
338 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_UNLISTEN_REPLY, &m,
343 mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
345 session_migrated_msg_t m = { 0 };
346 fifo_segment_t *eq_seg;
347 app_worker_t *app_wrk;
351 thread_index = session_thread_from_handle (new_sh);
352 app_wrk = app_worker_get (s->app_wrk_index);
353 app = application_get (app_wrk->app_index);
354 eq_seg = application_get_rx_mqs_segment (app);
356 m.handle = session_handle (s);
357 m.new_handle = new_sh;
358 m.vpp_thread_index = thread_index;
359 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
360 m.segment_handle = SESSION_INVALID_HANDLE;
362 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_MIGRATED, &m, sizeof (m));
366 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
368 session_app_add_segment_msg_t m = { 0 };
369 vl_api_registration_t *reg;
370 app_worker_t *app_wrk;
375 app_wrk = app_worker_get (app_wrk_index);
377 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
380 clib_warning ("no api registration for client: %u",
381 app_wrk->api_client_index);
385 fs = segment_manager_get_segment_w_handle (segment_handle);
387 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
389 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
391 clib_warning ("can't send memfd fd");
395 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
398 m.segment_size = sp->ssvm_size;
399 m.fd_flags = fd_flags;
400 m.segment_handle = segment_handle;
401 strncpy ((char *) m.segment_name, (char *) sp->name,
402 sizeof (m.segment_name) - 1);
404 app_wrk_send_ctrl_evt_fd (app_wrk, SESSION_CTRL_EVT_APP_ADD_SEGMENT, &m,
411 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
413 session_app_del_segment_msg_t m = { 0 };
414 vl_api_registration_t *reg;
415 app_worker_t *app_wrk;
417 app_wrk = app_worker_get (app_wrk_index);
418 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
421 clib_warning ("no registration: %u", app_wrk->api_client_index);
425 m.segment_handle = segment_handle;
427 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_APP_DEL_SEGMENT, &m,
434 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
436 session_cleanup_msg_t m = { 0 };
437 app_worker_t *app_wrk;
439 /* Propagate transport cleanup notifications only if app didn't close */
440 if (ntf == SESSION_CLEANUP_TRANSPORT
441 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
444 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
448 m.handle = session_handle (s);
451 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_CLEANUP, &m, sizeof (m));
454 static session_cb_vft_t session_mq_cb_vft = {
455 .session_accept_callback = mq_send_session_accepted_cb,
456 .session_disconnect_callback = mq_send_session_disconnected_cb,
457 .session_connected_callback = mq_send_session_connected_cb,
458 .session_reset_callback = mq_send_session_reset_cb,
459 .session_migrate_callback = mq_send_session_migrate_cb,
460 .session_cleanup_callback = mq_send_session_cleanup_cb,
461 .add_segment_callback = mq_send_add_segment_cb,
462 .del_segment_callback = mq_send_del_segment_cb,
466 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
468 vl_api_session_enable_disable_reply_t *rmp;
469 vlib_main_t *vm = vlib_get_main ();
472 vnet_session_enable_disable (vm, mp->is_enable);
473 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
477 vl_api_session_sapi_enable_disable_t_handler (
478 vl_api_session_sapi_enable_disable_t *mp)
480 vl_api_session_sapi_enable_disable_reply_t *rmp;
483 rv = appns_sapi_enable_disable (mp->is_enable);
484 REPLY_MACRO (VL_API_SESSION_SAPI_ENABLE_DISABLE_REPLY);
488 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
490 int rv = 0, *fds = 0, n_fds = 0, n_workers, i;
491 fifo_segment_t *segp, *rx_mqs_seg = 0;
492 vnet_app_attach_args_t _a, *a = &_a;
493 vl_api_app_attach_reply_t *rmp;
494 u8 fd_flags = 0, ctrl_thread;
495 vl_api_registration_t *reg;
499 reg = vl_api_client_index_to_registration (mp->client_index);
503 n_workers = vlib_num_workers ();
504 if (!session_main_is_enabled () || appns_sapi_enabled ())
506 rv = VNET_API_ERROR_FEATURE_DISABLED;
509 /* Only support binary api with socket transport */
510 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
512 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
516 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
517 sizeof (mp->options),
518 "Out of options, fix api message definition");
520 clib_memset (a, 0, sizeof (*a));
521 a->api_client_index = mp->client_index;
522 a->options = mp->options;
523 a->session_cb_vft = &session_mq_cb_vft;
524 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
526 if ((rv = vnet_application_attach (a)))
528 clib_warning ("attach returned: %d", rv);
529 vec_free (a->namespace_id);
532 vec_free (a->namespace_id);
534 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
536 /* Send rx mqs segment */
537 app = application_get (a->app_index);
538 rx_mqs_seg = application_get_rx_mqs_segment (app);
540 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
541 fds[n_fds] = rx_mqs_seg->ssvm.fd;
544 /* Send fifo segment fd if needed */
545 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
547 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
548 fds[n_fds] = a->segment->fd;
551 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
553 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
554 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
558 if (application_use_private_rx_mqs ())
560 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
561 for (i = 0; i < n_workers + 1; i++)
563 rx_mq = application_rx_mq_get (app, i);
564 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
572 VL_API_APP_ATTACH_REPLY,
573 ((!rv) ? vec_len (((fifo_segment_t *) a->segment)->ssvm.name) : 0), ({
576 ctrl_thread = n_workers ? 1 : 0;
577 segp = (fifo_segment_t *) a->segment;
578 rmp->app_index = clib_host_to_net_u32 (a->app_index);
579 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
581 fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
582 rmp->vpp_ctrl_mq_thread = ctrl_thread;
584 rmp->fd_flags = fd_flags;
585 if (vec_len (segp->ssvm.name))
587 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
589 rmp->segment_size = segp->ssvm.ssvm_size;
590 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
596 session_send_fds (reg, fds, n_fds);
601 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
603 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
604 vl_api_app_worker_add_del_reply_t *rmp;
605 vl_api_registration_t *reg;
609 if (!session_main_is_enabled () || appns_sapi_enabled ())
611 rv = VNET_API_ERROR_FEATURE_DISABLED;
615 reg = vl_api_client_index_to_registration (mp->client_index);
619 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
622 rv = VNET_API_ERROR_INVALID_VALUE;
626 vnet_app_worker_add_del_args_t args = {
627 .app_index = app->app_index,
628 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
629 .api_client_index = mp->client_index,
632 rv = vnet_app_worker_add_del (&args);
635 clib_warning ("app worker add/del returned: %d", rv);
642 /* Send fifo segment fd if needed */
643 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
645 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
646 fds[n_fds] = args.segment->fd;
649 if (application_segment_manager_properties (app)->use_mq_eventfd)
651 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
652 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
659 VL_API_APP_WORKER_ADD_DEL_REPLY,
660 ((!rv && mp->is_add) ? vec_len (args.segment->name) : 0), ({
661 rmp->is_add = mp->is_add;
662 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
663 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
664 if (!rv && mp->is_add)
666 rmp->app_event_queue_address =
667 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
669 rmp->fd_flags = fd_flags;
670 if (vec_len (args.segment->name))
672 vl_api_vec_to_api_string (args.segment->name,
680 session_send_fds (reg, fds, n_fds);
684 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
686 vl_api_application_detach_reply_t *rmp;
687 int rv = VNET_API_ERROR_INVALID_VALUE_2;
688 vnet_app_detach_args_t _a, *a = &_a;
691 if (!session_main_is_enabled () || appns_sapi_enabled ())
693 rv = VNET_API_ERROR_FEATURE_DISABLED;
697 app = application_lookup (mp->client_index);
700 a->app_index = app->app_index;
701 a->api_client_index = mp->client_index;
702 rv = vnet_application_detach (a);
706 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
710 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
712 vl_api_app_namespace_add_del_reply_t *rmp;
716 if (session_main_is_enabled () == 0)
718 rv = VNET_API_ERROR_FEATURE_DISABLED;
722 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
724 vnet_app_namespace_add_del_args_t args = {
728 .secret = clib_net_to_host_u64 (mp->secret),
729 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
730 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
731 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
734 rv = vnet_app_namespace_add_del (&args);
737 appns_index = app_namespace_index_from_id (ns_id);
738 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
740 clib_warning ("app ns lookup failed");
741 rv = VNET_API_ERROR_UNSPECIFIED;
748 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
750 rmp->appns_index = clib_host_to_net_u32 (appns_index);
756 vl_api_app_namespace_add_del_v2_t_handler (
757 vl_api_app_namespace_add_del_v2_t *mp)
759 vl_api_app_namespace_add_del_v2_reply_t *rmp;
760 u8 *ns_id = 0, *netns = 0;
764 if (session_main_is_enabled () == 0)
766 rv = VNET_API_ERROR_FEATURE_DISABLED;
770 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
771 mp->netns[sizeof (mp->netns) - 1] = 0;
772 ns_id = format (0, "%s", &mp->namespace_id);
773 netns = format (0, "%s", &mp->netns);
775 vnet_app_namespace_add_del_args_t args = {
779 .secret = clib_net_to_host_u64 (mp->secret),
780 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
781 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
782 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
785 rv = vnet_app_namespace_add_del (&args);
788 appns_index = app_namespace_index_from_id (ns_id);
789 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
791 clib_warning ("app ns lookup failed id:%s", ns_id);
792 rv = VNET_API_ERROR_UNSPECIFIED;
799 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V2_REPLY, ({
801 rmp->appns_index = clib_host_to_net_u32 (appns_index);
806 vl_api_app_namespace_add_del_v3_t_handler (
807 vl_api_app_namespace_add_del_v3_t *mp)
809 vl_api_app_namespace_add_del_v3_reply_t *rmp;
810 u8 *ns_id = 0, *netns = 0, *sock_name = 0;
813 if (session_main_is_enabled () == 0)
815 rv = VNET_API_ERROR_FEATURE_DISABLED;
818 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
819 mp->netns[sizeof (mp->netns) - 1] = 0;
820 ns_id = format (0, "%s", &mp->namespace_id);
821 netns = format (0, "%s", &mp->netns);
822 sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
823 vnet_app_namespace_add_del_args_t args = {
826 .sock_name = sock_name,
827 .secret = clib_net_to_host_u64 (mp->secret),
828 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
829 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
830 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
831 .is_add = mp->is_add,
833 rv = vnet_app_namespace_add_del (&args);
834 if (!rv && mp->is_add)
836 appns_index = app_namespace_index_from_id (ns_id);
837 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
839 clib_warning ("app ns lookup failed id:%s", ns_id);
840 rv = VNET_API_ERROR_UNSPECIFIED;
845 vec_free (sock_name);
847 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V3_REPLY, ({
849 rmp->appns_index = clib_host_to_net_u32 (appns_index);
854 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
856 vl_api_session_rule_add_del_reply_t *rmp;
857 session_rule_add_del_args_t args;
858 session_rule_table_add_del_args_t *table_args = &args.table_args;
861 clib_memset (&args, 0, sizeof (args));
863 ip_prefix_decode (&mp->lcl, &table_args->lcl);
864 ip_prefix_decode (&mp->rmt, &table_args->rmt);
866 table_args->lcl_port = mp->lcl_port;
867 table_args->rmt_port = mp->rmt_port;
868 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
869 table_args->is_add = mp->is_add;
870 mp->tag[sizeof (mp->tag) - 1] = 0;
871 table_args->tag = format (0, "%s", mp->tag);
872 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
873 args.scope = mp->scope;
874 args.transport_proto =
875 api_session_transport_proto_decode (&mp->transport_proto) ==
876 TRANSPORT_PROTO_UDP ? 1 : 0;
878 rv = vnet_session_rule_add_del (&args);
880 clib_warning ("rule add del returned: %d", rv);
881 vec_free (table_args->tag);
882 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
886 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
887 u8 transport_proto, u32 appns_index, u8 * tag,
888 vl_api_registration_t * reg, u32 context)
890 vl_api_session_rules_details_t *rmp = 0;
891 session_mask_or_match_4_t *match =
892 (session_mask_or_match_4_t *) & rule->match;
893 session_mask_or_match_4_t *mask =
894 (session_mask_or_match_4_t *) & rule->mask;
895 fib_prefix_t lcl, rmt;
897 rmp = vl_msg_api_alloc (sizeof (*rmp));
898 clib_memset (rmp, 0, sizeof (*rmp));
899 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
900 rmp->context = context;
902 clib_memset (&lcl, 0, sizeof (lcl));
903 clib_memset (&rmt, 0, sizeof (rmt));
904 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
905 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
906 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
907 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
909 ip_prefix_encode (&lcl, &rmp->lcl);
910 ip_prefix_encode (&rmt, &rmp->rmt);
911 rmp->lcl_port = match->lcl_port;
912 rmp->rmt_port = match->rmt_port;
913 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
915 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
916 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
917 rmp->appns_index = clib_host_to_net_u32 (appns_index);
920 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
921 rmp->tag[vec_len (tag)] = 0;
924 vl_api_send_msg (reg, (u8 *) rmp);
928 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
929 u8 transport_proto, u32 appns_index, u8 * tag,
930 vl_api_registration_t * reg, u32 context)
932 vl_api_session_rules_details_t *rmp = 0;
933 session_mask_or_match_6_t *match =
934 (session_mask_or_match_6_t *) & rule->match;
935 session_mask_or_match_6_t *mask =
936 (session_mask_or_match_6_t *) & rule->mask;
937 fib_prefix_t lcl, rmt;
939 rmp = vl_msg_api_alloc (sizeof (*rmp));
940 clib_memset (rmp, 0, sizeof (*rmp));
941 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
942 rmp->context = context;
944 clib_memset (&lcl, 0, sizeof (lcl));
945 clib_memset (&rmt, 0, sizeof (rmt));
946 ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
947 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
948 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
949 rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
951 ip_prefix_encode (&lcl, &rmp->lcl);
952 ip_prefix_encode (&rmt, &rmp->rmt);
953 rmp->lcl_port = match->lcl_port;
954 rmp->rmt_port = match->rmt_port;
955 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
957 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
958 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
959 rmp->appns_index = clib_host_to_net_u32 (appns_index);
962 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
963 rmp->tag[vec_len (tag)] = 0;
966 vl_api_send_msg (reg, (u8 *) rmp);
970 send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
971 u8 tp, u8 is_local, u32 appns_index,
972 vl_api_registration_t * reg, u32 context)
974 mma_rule_16_t *rule16;
975 mma_rule_40_t *rule40;
976 mma_rules_table_16_t *srt16;
977 mma_rules_table_40_t *srt40;
980 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
984 srt16 = &srt->session_rules_tables_16;
985 pool_foreach (rule16, srt16->rules) {
986 ri = mma_rules_table_rule_index_16 (srt16, rule16);
987 tag = session_rules_table_rule_tag (srt, ri, 1);
988 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
993 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
997 srt40 = &srt->session_rules_tables_40;
998 pool_foreach (rule40, srt40->rules) {
999 ri = mma_rules_table_rule_index_40 (srt40, rule40);
1000 tag = session_rules_table_rule_tag (srt, ri, 1);
1001 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1009 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1011 vl_api_registration_t *reg;
1012 session_table_t *st;
1015 reg = vl_api_client_index_to_registration (mp->client_index);
1020 session_table_foreach (st, ({
1021 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1023 send_session_rules_table_details (&st->session_rules[tp],
1024 st->active_fib_proto, tp,
1025 st->is_local, st->appns_index, reg,
1033 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1035 vl_api_app_add_cert_key_pair_reply_t *rmp;
1036 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1037 u32 certkey_len, key_len, cert_len;
1039 if (session_main_is_enabled () == 0)
1041 rv = VNET_API_ERROR_FEATURE_DISABLED;
1045 cert_len = clib_net_to_host_u16 (mp->cert_len);
1046 if (cert_len > 10000)
1048 rv = VNET_API_ERROR_INVALID_VALUE;
1052 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1053 if (certkey_len < cert_len)
1055 rv = VNET_API_ERROR_INVALID_VALUE;
1059 key_len = certkey_len - cert_len;
1060 if (key_len > 10000)
1062 rv = VNET_API_ERROR_INVALID_VALUE;
1066 clib_memset (a, 0, sizeof (*a));
1067 a->cert = mp->certkey;
1068 a->key = mp->certkey + cert_len;
1069 a->cert_len = cert_len;
1070 a->key_len = key_len;
1071 rv = vnet_app_add_cert_key_pair (a);
1075 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1077 rmp->index = clib_host_to_net_u32 (a->index);
1083 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1085 vl_api_app_del_cert_key_pair_reply_t *rmp;
1088 if (session_main_is_enabled () == 0)
1090 rv = VNET_API_ERROR_FEATURE_DISABLED;
1093 ckpair_index = clib_net_to_host_u32 (mp->index);
1094 rv = vnet_app_del_cert_key_pair (ckpair_index);
1097 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1100 static clib_error_t *
1101 application_reaper_cb (u32 client_index)
1103 application_t *app = application_lookup (client_index);
1104 vnet_app_detach_args_t _a, *a = &_a;
1107 a->app_index = app->app_index;
1108 a->api_client_index = client_index;
1109 vnet_application_detach (a);
1114 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1117 * Socket api functions
1121 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1123 session_app_add_segment_msg_t m = { 0 };
1124 app_worker_t *app_wrk;
1129 app_wrk = app_worker_get (app_wrk_index);
1131 fs = segment_manager_get_segment_w_handle (segment_handle);
1133 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1135 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1137 m.segment_size = sp->ssvm_size;
1138 m.fd_flags = fd_flags;
1139 m.segment_handle = segment_handle;
1140 strncpy ((char *) m.segment_name, (char *) sp->name,
1141 sizeof (m.segment_name) - 1);
1143 app_wrk_send_ctrl_evt_fd (app_wrk, SESSION_CTRL_EVT_APP_ADD_SEGMENT, &m,
1144 sizeof (m), sp->fd);
1150 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1152 session_app_del_segment_msg_t m = { 0 };
1153 app_worker_t *app_wrk;
1155 app_wrk = app_worker_get (app_wrk_index);
1157 m.segment_handle = segment_handle;
1159 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_APP_DEL_SEGMENT, &m,
1165 static session_cb_vft_t session_mq_sapi_cb_vft = {
1166 .session_accept_callback = mq_send_session_accepted_cb,
1167 .session_disconnect_callback = mq_send_session_disconnected_cb,
1168 .session_connected_callback = mq_send_session_connected_cb,
1169 .session_reset_callback = mq_send_session_reset_cb,
1170 .session_migrate_callback = mq_send_session_migrate_cb,
1171 .session_cleanup_callback = mq_send_session_cleanup_cb,
1172 .add_segment_callback = mq_send_add_segment_sapi_cb,
1173 .del_segment_callback = mq_send_del_segment_sapi_cb,
1177 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1178 app_sapi_attach_msg_t * mp)
1180 int rv = 0, *fds = 0, n_fds = 0, i, n_workers;
1181 vnet_app_attach_args_t _a, *a = &_a;
1182 app_sapi_attach_reply_msg_t *rmp;
1183 u8 fd_flags = 0, ctrl_thread;
1184 app_ns_api_handle_t *handle;
1185 fifo_segment_t *rx_mqs_seg;
1186 app_sapi_msg_t msg = { 0 };
1187 app_worker_t *app_wrk;
1191 /* Make sure name is null terminated */
1194 clib_memset (a, 0, sizeof (*a));
1195 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1196 a->name = format (0, "%s", (char *) mp->name);
1197 a->options = mp->options;
1198 a->session_cb_vft = &session_mq_sapi_cb_vft;
1199 a->use_sock_api = 1;
1200 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1202 if ((rv = vnet_application_attach (a)))
1204 clib_warning ("attach returned: %d", rv);
1208 n_workers = vlib_num_workers ();
1209 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
1211 /* Send event queues segment */
1212 app = application_get (a->app_index);
1213 rx_mqs_seg = application_get_rx_mqs_segment (app);
1215 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1216 fds[n_fds] = rx_mqs_seg->ssvm.fd;
1219 /* Send fifo segment fd if needed */
1220 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1222 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1223 fds[n_fds] = a->segment->fd;
1226 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1228 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1229 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1233 if (application_use_private_rx_mqs ())
1235 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
1236 for (i = 0; i < n_workers + 1; i++)
1238 rx_mq = application_rx_mq_get (app, i);
1239 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
1246 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1247 rmp = &msg.attach_reply;
1251 ctrl_thread = n_workers ? 1 : 0;
1252 rmp->app_index = a->app_index;
1254 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1255 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
1256 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1258 rmp->fd_flags = fd_flags;
1259 /* No segment name and size since we only support memfds
1260 * in this configuration */
1261 rmp->segment_handle = a->segment_handle;
1262 rmp->api_client_handle = a->api_client_index;
1264 /* Update app index for socket */
1265 handle = (app_ns_api_handle_t *) & cs->private_data;
1266 app_wrk = application_get_worker (app, 0);
1267 handle->aah_app_wrk_index = app_wrk->wrk_index;
1270 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1276 sapi_socket_close_w_handle (u32 api_handle)
1278 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1279 u16 sock_index = api_handle & 0xffff;
1280 app_ns_api_handle_t *handle;
1284 cs = appns_sapi_get_socket (app_ns, sock_index);
1288 handle = (app_ns_api_handle_t *) & cs->private_data;
1289 cf = clib_file_get (&file_main, handle->aah_file_index);
1290 clib_file_del (&file_main, cf);
1292 clib_socket_close (cs);
1293 appns_sapi_free_socket (app_ns, cs);
1297 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1299 app_sapi_worker_add_del_msg_t * mp)
1301 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1302 app_sapi_worker_add_del_reply_msg_t *rmp;
1303 app_ns_api_handle_t *handle;
1304 app_sapi_msg_t msg = { 0 };
1305 app_worker_t *app_wrk;
1306 u32 sapi_handle = -1;
1310 app = application_get_if_valid (mp->app_index);
1313 rv = VNET_API_ERROR_INVALID_VALUE;
1317 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1319 vnet_app_worker_add_del_args_t args = {
1320 .app_index = app->app_index,
1321 .wrk_map_index = mp->wrk_index,
1322 .api_client_index = sapi_handle,
1323 .is_add = mp->is_add
1325 rv = vnet_app_worker_add_del (&args);
1328 clib_warning ("app worker add/del returned: %d", rv);
1335 /* Send fifo segment fd if needed */
1336 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1338 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1339 fds[n_fds] = args.segment->fd;
1342 if (application_segment_manager_properties (app)->use_mq_eventfd)
1344 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1345 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1351 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1352 rmp = &msg.worker_add_del_reply;
1354 rmp->is_add = mp->is_add;
1355 rmp->api_client_handle = sapi_handle;
1356 rmp->wrk_index = args.wrk_map_index;
1357 rmp->segment_handle = args.segment_handle;
1358 if (!rv && mp->is_add)
1360 /* No segment name and size. This supports only memfds */
1361 rmp->app_event_queue_address =
1362 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1364 rmp->fd_flags = fd_flags;
1366 /* Update app index for socket */
1367 handle = (app_ns_api_handle_t *) & cs->private_data;
1368 app_wrk = application_get_worker (app, args.wrk_map_index);
1369 handle->aah_app_wrk_index = app_wrk->wrk_index;
1372 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1375 /* This is a workaround for the case when session layer starts reading
1376 * the socket before the client actualy sends the data
1378 static clib_error_t *
1379 sapi_socket_receive_wait (clib_socket_t *cs, u8 *msg, u32 msg_len)
1386 err = clib_socket_recvmsg (cs, msg, msg_len, 0, 0);
1401 sapi_add_del_cert_key_handler (app_namespace_t *app_ns, clib_socket_t *cs,
1402 app_sapi_cert_key_add_del_msg_t *mp)
1404 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1405 app_sapi_cert_key_add_del_reply_msg_t *rmp;
1406 app_sapi_msg_t msg = { 0 };
1411 const u32 max_certkey_len = 2e4, max_cert_len = 1e4, max_key_len = 1e4;
1416 if (mp->certkey_len > max_certkey_len)
1418 rv = SESSION_E_INVALID;
1422 vec_validate (certkey, mp->certkey_len - 1);
1424 err = sapi_socket_receive_wait (cs, certkey, mp->certkey_len);
1427 clib_error_report (err);
1428 rv = SESSION_E_INVALID;
1432 if (mp->cert_len > max_cert_len)
1434 rv = SESSION_E_INVALID;
1438 if (mp->certkey_len < mp->cert_len)
1440 rv = SESSION_E_INVALID;
1444 key_len = mp->certkey_len - mp->cert_len;
1445 if (key_len > max_key_len)
1447 rv = SESSION_E_INVALID;
1451 clib_memset (a, 0, sizeof (*a));
1453 a->key = certkey + mp->cert_len;
1454 a->cert_len = mp->cert_len;
1455 a->key_len = key_len;
1456 rv = vnet_app_add_cert_key_pair (a);
1462 rv = vnet_app_del_cert_key_pair (mp->index);
1467 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY_REPLY;
1468 rmp = &msg.cert_key_add_del_reply;
1470 rmp->context = mp->context;
1471 if (!rv && mp->is_add)
1472 rmp->index = a->index;
1474 clib_socket_sendmsg (cs, &msg, sizeof (msg), 0, 0);
1478 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1480 app_ns_api_handle_t *handle;
1481 app_worker_t *app_wrk;
1482 u32 api_client_handle;
1484 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1486 /* Cleanup everything because app worker closed socket or crashed */
1487 handle = (app_ns_api_handle_t *) & cs->private_data;
1488 app_wrk = app_worker_get_if_valid (handle->aah_app_wrk_index);
1492 vnet_app_worker_add_del_args_t args = {
1493 .app_index = app_wrk->app_index,
1494 .wrk_map_index = app_wrk->wrk_map_index,
1495 .api_client_index = api_client_handle,
1498 /* Send rpc to main thread for worker barrier */
1499 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1503 static clib_error_t *
1504 sapi_sock_read_ready (clib_file_t * cf)
1506 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1507 vlib_main_t *vm = vlib_get_main ();
1508 app_sapi_msg_t msg = { 0 };
1509 app_namespace_t *app_ns;
1510 clib_error_t *err = 0;
1513 app_ns = app_namespace_get (handle->aah_app_ns_index);
1514 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1518 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1521 clib_error_free (err);
1522 sapi_socket_detach (app_ns, cs);
1526 handle = (app_ns_api_handle_t *) & cs->private_data;
1528 vlib_worker_thread_barrier_sync (vm);
1532 case APP_SAPI_MSG_TYPE_ATTACH:
1533 session_api_attach_handler (app_ns, cs, &msg.attach);
1535 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1536 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1538 case APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY:
1539 sapi_add_del_cert_key_handler (app_ns, cs, &msg.cert_key_add_del);
1542 clib_warning ("app wrk %u unknown message type: %u",
1543 handle->aah_app_wrk_index, msg.type);
1547 vlib_worker_thread_barrier_release (vm);
1553 static clib_error_t *
1554 sapi_sock_write_ready (clib_file_t * cf)
1556 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1557 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1561 static clib_error_t *
1562 sapi_sock_error (clib_file_t * cf)
1564 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1565 app_namespace_t *app_ns;
1568 app_ns = app_namespace_get (handle->aah_app_ns_index);
1569 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1573 sapi_socket_detach (app_ns, cs);
1577 static clib_error_t *
1578 sapi_sock_accept_ready (clib_file_t * scf)
1580 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1581 app_namespace_t *app_ns;
1582 clib_file_t cf = { 0 };
1583 clib_error_t *err = 0;
1584 clib_socket_t *ccs, *scs;
1586 /* Listener files point to namespace */
1587 app_ns = app_namespace_get (handle.aah_app_ns_index);
1590 * Initialize client socket
1592 ccs = appns_sapi_alloc_socket (app_ns);
1594 /* Grab server socket after client is initialized */
1595 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1599 err = clib_socket_accept (scs, ccs);
1602 clib_error_report (err);
1606 cf.read_function = sapi_sock_read_ready;
1607 cf.write_function = sapi_sock_write_ready;
1608 cf.error_function = sapi_sock_error;
1609 cf.file_descriptor = ccs->fd;
1610 /* File points to app namespace and socket */
1611 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1612 cf.private_data = handle.as_u64;
1613 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1615 /* Poll until we get an attach message. Socket points to file and
1616 * application that owns the socket */
1617 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1618 handle.aah_file_index = clib_file_add (&file_main, &cf);
1619 ccs->private_data = handle.as_u64;
1624 appns_sapi_free_socket (app_ns, ccs);
1629 appns_sapi_del_ns_socket (app_namespace_t *app_ns)
1631 app_ns_api_handle_t *handle;
1634 pool_foreach (cs, app_ns->app_sockets)
1636 handle = (app_ns_api_handle_t *) &cs->private_data;
1637 clib_file_del_by_index (&file_main, handle->aah_file_index);
1639 clib_socket_close (cs);
1640 clib_socket_free (cs);
1642 pool_free (app_ns->app_sockets);
1646 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1648 char *subdir = "/app_ns_sockets/";
1649 app_ns_api_handle_t *handle;
1650 clib_file_t cf = { 0 };
1651 struct stat file_stat;
1658 if (!app_ns->sock_name)
1659 app_ns->sock_name = format (0, "@vpp/session/%v%c", app_ns->ns_id, 0);
1660 if (app_ns->sock_name[0] != '@')
1661 return VNET_API_ERROR_INVALID_VALUE;
1665 snprintf (dir, sizeof (dir), "%s%s", vlib_unix_get_runtime_dir (),
1667 err = vlib_unix_recursive_mkdir ((char *) dir);
1670 clib_error_report (err);
1671 return VNET_API_ERROR_SYSCALL_ERROR_1;
1674 if (!app_ns->sock_name)
1675 app_ns->sock_name = format (0, "%s%v%c", dir, app_ns->ns_id, 0);
1679 * Create and initialize socket to listen on
1681 cs = appns_sapi_alloc_socket (app_ns);
1682 cs->config = (char *) vec_dup (app_ns->sock_name);
1683 cs->flags = CLIB_SOCKET_F_IS_SERVER |
1684 CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1685 CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1687 if ((err = clib_socket_init_netns (cs, app_ns->netns)))
1689 clib_error_report (err);
1693 if (!app_ns->netns && stat ((char *) app_ns->sock_name, &file_stat) == -1)
1699 cf.read_function = sapi_sock_accept_ready;
1700 cf.file_descriptor = cs->fd;
1701 /* File points to namespace */
1702 handle = (app_ns_api_handle_t *) & cf.private_data;
1703 handle->aah_app_ns_index = app_namespace_index (app_ns);
1704 handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1705 cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1707 /* Socket points to clib file index */
1708 handle = (app_ns_api_handle_t *) & cs->private_data;
1709 handle->aah_file_index = clib_file_add (&file_main, &cf);
1710 handle->aah_app_wrk_index = APP_INVALID_INDEX;
1716 vl_api_application_tls_cert_add_t_handler (
1717 vl_api_application_tls_cert_add_t *mp)
1723 vl_api_application_tls_key_add_t_handler (vl_api_application_tls_key_add_t *mp)
1728 #include <vnet/session/session.api.c>
1729 static clib_error_t *
1730 session_api_hookup (vlib_main_t *vm)
1733 * Set up the (msg_name, crc, message-id) table
1735 REPLY_MSG_ID_BASE = setup_message_id_table ();
1740 VLIB_API_INIT_FUNCTION (session_api_hookup);
1743 * fd.io coding-style-patch-verification: ON
1746 * eval: (c-set-style "gnu")