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 if (application_original_dst_is_enabled (app))
141 session_get_original_dst (&m.lcl, &m.rmt,
142 session_get_transport_proto (s),
143 &m.original_dst_ip4, &m.original_dst_port);
146 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_ACCEPTED, &m, sizeof (m));
152 mq_send_session_close_evt (app_worker_t * app_wrk, session_handle_t sh,
153 session_evt_type_t evt_type)
155 session_disconnected_msg_t m = { 0 };
158 m.context = app_wrk->api_client_index;
160 app_wrk_send_ctrl_evt (app_wrk, evt_type, &m, sizeof (m));
164 mq_notify_close_subscribers (u32 app_index, session_handle_t sh,
165 svm_fifo_t * f, session_evt_type_t evt_type)
167 app_worker_t *app_wrk;
171 app = application_get (app_index);
175 for (i = 0; i < f->shr->n_subscribers; i++)
177 if (!(app_wrk = application_get_worker (app, f->shr->subscribers[i])))
179 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
184 mq_send_session_disconnected_cb (session_t * s)
186 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
187 session_handle_t sh = session_handle (s);
189 mq_send_session_close_evt (app_wrk, session_handle (s),
190 SESSION_CTRL_EVT_DISCONNECTED);
192 if (svm_fifo_n_subscribers (s->rx_fifo))
193 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
194 SESSION_CTRL_EVT_DISCONNECTED);
198 mq_send_session_reset_cb (session_t * s)
200 app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
201 session_handle_t sh = session_handle (s);
203 mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_RESET);
205 if (svm_fifo_n_subscribers (s->rx_fifo))
206 mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
207 SESSION_CTRL_EVT_RESET);
211 mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
212 session_t * s, session_error_t err)
214 session_connected_msg_t m = { 0 };
215 transport_connection_t *tc;
216 fifo_segment_t *eq_seg;
217 app_worker_t *app_wrk;
220 app_wrk = app_worker_get (app_wrk_index);
222 m.context = api_context;
228 app = application_get (app_wrk->app_index);
229 eq_seg = application_get_rx_mqs_segment (app);
231 if (session_has_transport (s))
233 tc = session_get_transport (s);
236 clib_warning ("failed to retrieve transport!");
237 m.retval = SESSION_E_REFUSED;
241 m.handle = session_handle (s);
242 m.vpp_event_queue_address =
243 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
245 session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
247 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
248 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
249 m.segment_handle = session_segment_handle (s);
250 m.mq_index = s->thread_index;
254 ct_connection_t *cct;
257 cct = (ct_connection_t *) session_get_transport (s);
258 m.handle = session_handle (s);
259 m.lcl.port = cct->c_lcl_port;
260 m.lcl.is_ip4 = cct->c_is_ip4;
261 m.vpp_event_queue_address =
262 fifo_segment_msg_q_offset (eq_seg, s->thread_index);
263 m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
264 m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
265 m.segment_handle = session_segment_handle (s);
266 ss = ct_session_get_peer (s);
267 m.ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
268 m.ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
269 m.ct_segment_handle = session_segment_handle (ss);
270 m.mq_index = s->thread_index;
273 /* Setup client session index in advance, in case data arrives
274 * before the app processes message and updates it */
275 s->rx_fifo->shr->client_session_index = api_context;
276 s->tx_fifo->shr->client_session_index = api_context;
280 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_CONNECTED, &m, sizeof (m));
286 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
287 session_handle_t handle, int rv)
289 session_bound_msg_t m = { 0 };
290 transport_endpoint_t tep;
291 fifo_segment_t *eq_seg;
292 app_worker_t *app_wrk;
297 app_wrk = app_worker_get (app_wrk_index);
299 m.context = api_context;
306 al = app_listener_get_w_handle (handle);
307 if (al->session_index != SESSION_INVALID_INDEX)
308 ls = app_listener_get_session (al);
310 ls = app_listener_get_local_session (al);
312 session_get_endpoint (ls, &tep, 1 /* is_lcl */);
313 m.lcl_port = tep.port;
314 m.lcl_is_ip4 = tep.is_ip4;
315 clib_memcpy_fast (m.lcl_ip, &tep.ip, sizeof (tep.ip));
316 app = application_get (app_wrk->app_index);
317 eq_seg = application_get_rx_mqs_segment (app);
318 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
319 m.mq_index = ls->thread_index;
321 if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL &&
324 m.mq_index = transport_cl_thread ();
325 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, m.mq_index);
326 m.rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
327 m.tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
328 m.segment_handle = session_segment_handle (ls);
333 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_BOUND, &m, sizeof (m));
339 mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
342 session_unlisten_reply_msg_t m = { 0 };
347 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_UNLISTEN_REPLY, &m,
352 mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
354 session_migrated_msg_t m = { 0 };
355 fifo_segment_t *eq_seg;
356 app_worker_t *app_wrk;
360 thread_index = session_thread_from_handle (new_sh);
361 app_wrk = app_worker_get (s->app_wrk_index);
362 app = application_get (app_wrk->app_index);
363 eq_seg = application_get_rx_mqs_segment (app);
365 m.handle = session_handle (s);
366 m.new_handle = new_sh;
367 m.vpp_thread_index = thread_index;
368 m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
369 m.segment_handle = SESSION_INVALID_HANDLE;
371 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_MIGRATED, &m, sizeof (m));
375 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
377 session_app_add_segment_msg_t m = { 0 };
378 vl_api_registration_t *reg;
379 app_worker_t *app_wrk;
384 app_wrk = app_worker_get (app_wrk_index);
386 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
389 clib_warning ("no api registration for client: %u",
390 app_wrk->api_client_index);
394 fs = segment_manager_get_segment_w_handle (segment_handle);
396 if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
398 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
400 clib_warning ("can't send memfd fd");
404 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
407 m.segment_size = sp->ssvm_size;
408 m.fd_flags = fd_flags;
409 m.segment_handle = segment_handle;
410 strncpy ((char *) m.segment_name, (char *) sp->name,
411 sizeof (m.segment_name) - 1);
413 app_wrk_send_ctrl_evt_fd (app_wrk, SESSION_CTRL_EVT_APP_ADD_SEGMENT, &m,
420 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
422 session_app_del_segment_msg_t m = { 0 };
423 vl_api_registration_t *reg;
424 app_worker_t *app_wrk;
426 app_wrk = app_worker_get (app_wrk_index);
427 reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
430 clib_warning ("no registration: %u", app_wrk->api_client_index);
434 m.segment_handle = segment_handle;
436 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_APP_DEL_SEGMENT, &m,
443 mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
445 session_cleanup_msg_t m = { 0 };
446 app_worker_t *app_wrk;
448 /* Propagate transport cleanup notifications only if app didn't close */
449 if (ntf == SESSION_CLEANUP_TRANSPORT
450 && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
453 app_wrk = app_worker_get_if_valid (s->app_wrk_index);
457 m.handle = session_handle (s);
460 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_CLEANUP, &m, sizeof (m));
463 static session_cb_vft_t session_mq_cb_vft = {
464 .session_accept_callback = mq_send_session_accepted_cb,
465 .session_disconnect_callback = mq_send_session_disconnected_cb,
466 .session_connected_callback = mq_send_session_connected_cb,
467 .session_reset_callback = mq_send_session_reset_cb,
468 .session_migrate_callback = mq_send_session_migrate_cb,
469 .session_cleanup_callback = mq_send_session_cleanup_cb,
470 .add_segment_callback = mq_send_add_segment_cb,
471 .del_segment_callback = mq_send_del_segment_cb,
475 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
477 vl_api_session_enable_disable_reply_t *rmp;
478 vlib_main_t *vm = vlib_get_main ();
481 vnet_session_enable_disable (vm, mp->is_enable);
482 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
486 vl_api_session_sapi_enable_disable_t_handler (
487 vl_api_session_sapi_enable_disable_t *mp)
489 vl_api_session_sapi_enable_disable_reply_t *rmp;
492 rv = appns_sapi_enable_disable (mp->is_enable);
493 REPLY_MACRO (VL_API_SESSION_SAPI_ENABLE_DISABLE_REPLY);
497 vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
499 int rv = 0, *fds = 0, n_fds = 0, n_workers, i;
500 fifo_segment_t *segp, *rx_mqs_seg = 0;
501 vnet_app_attach_args_t _a, *a = &_a;
502 vl_api_app_attach_reply_t *rmp;
503 u8 fd_flags = 0, ctrl_thread;
504 vl_api_registration_t *reg;
508 reg = vl_api_client_index_to_registration (mp->client_index);
512 n_workers = vlib_num_workers ();
513 if (!session_main_is_enabled () || appns_sapi_enabled ())
515 rv = VNET_API_ERROR_FEATURE_DISABLED;
518 /* Only support binary api with socket transport */
519 if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
521 rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
525 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
526 sizeof (mp->options),
527 "Out of options, fix api message definition");
529 clib_memset (a, 0, sizeof (*a));
530 a->api_client_index = mp->client_index;
531 a->options = mp->options;
532 a->session_cb_vft = &session_mq_cb_vft;
533 a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
535 if ((rv = vnet_application_attach (a)))
537 clib_warning ("attach returned: %U", format_session_error, rv);
538 rv = VNET_API_ERROR_UNSPECIFIED;
539 vec_free (a->namespace_id);
542 vec_free (a->namespace_id);
544 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
546 /* Send rx mqs segment */
547 app = application_get (a->app_index);
548 rx_mqs_seg = application_get_rx_mqs_segment (app);
550 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
551 fds[n_fds] = rx_mqs_seg->ssvm.fd;
554 /* Send fifo segment fd if needed */
555 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
557 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
558 fds[n_fds] = a->segment->fd;
561 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
563 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
564 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
568 if (application_use_private_rx_mqs ())
570 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
571 for (i = 0; i < n_workers + 1; i++)
573 rx_mq = application_rx_mq_get (app, i);
574 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
582 VL_API_APP_ATTACH_REPLY,
583 ((!rv) ? vec_len (((fifo_segment_t *) a->segment)->ssvm.name) : 0), ({
586 ctrl_thread = n_workers ? 1 : 0;
587 segp = (fifo_segment_t *) a->segment;
588 rmp->app_index = clib_host_to_net_u32 (a->app_index);
589 rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
591 fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
592 rmp->vpp_ctrl_mq_thread = ctrl_thread;
594 rmp->fd_flags = fd_flags;
595 if (vec_len (segp->ssvm.name))
597 vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
599 rmp->segment_size = segp->ssvm.ssvm_size;
600 rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
606 session_send_fds (reg, fds, n_fds);
611 vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
613 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
614 vl_api_app_worker_add_del_reply_t *rmp;
615 vl_api_registration_t *reg;
619 if (!session_main_is_enabled () || appns_sapi_enabled ())
621 rv = VNET_API_ERROR_FEATURE_DISABLED;
625 reg = vl_api_client_index_to_registration (mp->client_index);
629 app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
632 rv = VNET_API_ERROR_INVALID_VALUE;
636 vnet_app_worker_add_del_args_t args = {
637 .app_index = app->app_index,
638 .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
639 .api_client_index = mp->client_index,
642 rv = vnet_app_worker_add_del (&args);
645 clib_warning ("app worker add/del returned: %U", format_session_error,
647 rv = VNET_API_ERROR_UNSPECIFIED;
654 /* Send fifo segment fd if needed */
655 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
657 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
658 fds[n_fds] = args.segment->fd;
661 if (application_segment_manager_properties (app)->use_mq_eventfd)
663 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
664 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
671 VL_API_APP_WORKER_ADD_DEL_REPLY,
672 ((!rv && mp->is_add) ? vec_len (args.segment->name) : 0), ({
673 rmp->is_add = mp->is_add;
674 rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
675 rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
676 if (!rv && mp->is_add)
678 rmp->app_event_queue_address =
679 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
681 rmp->fd_flags = fd_flags;
682 if (vec_len (args.segment->name))
684 vl_api_vec_to_api_string (args.segment->name,
692 session_send_fds (reg, fds, n_fds);
696 vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
698 vl_api_application_detach_reply_t *rmp;
699 int rv = VNET_API_ERROR_INVALID_VALUE_2;
700 vnet_app_detach_args_t _a, *a = &_a;
703 if (!session_main_is_enabled () || appns_sapi_enabled ())
705 rv = VNET_API_ERROR_FEATURE_DISABLED;
709 app = application_lookup (mp->client_index);
712 a->app_index = app->app_index;
713 a->api_client_index = mp->client_index;
714 rv = vnet_application_detach (a);
717 clib_warning ("vnet_application_detach: %U", format_session_error,
719 rv = VNET_API_ERROR_UNSPECIFIED;
724 REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
728 vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
730 vl_api_app_namespace_add_del_reply_t *rmp;
734 if (session_main_is_enabled () == 0)
736 rv = VNET_API_ERROR_FEATURE_DISABLED;
740 ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
742 vnet_app_namespace_add_del_args_t args = {
745 .secret = clib_net_to_host_u64 (mp->secret),
746 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
747 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
748 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
751 rv = vnet_app_namespace_add_del (&args);
754 appns_index = app_namespace_index_from_id (ns_id);
755 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
757 clib_warning ("app ns lookup failed");
758 rv = VNET_API_ERROR_UNSPECIFIED;
765 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
767 rmp->appns_index = clib_host_to_net_u32 (appns_index);
773 vl_api_app_namespace_add_del_v2_t_handler (
774 vl_api_app_namespace_add_del_v2_t *mp)
776 vl_api_app_namespace_add_del_v2_reply_t *rmp;
781 if (session_main_is_enabled () == 0)
783 rv = VNET_API_ERROR_FEATURE_DISABLED;
787 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
788 ns_id = format (0, "%s", &mp->namespace_id);
790 vnet_app_namespace_add_del_args_t args = {
793 .secret = clib_net_to_host_u64 (mp->secret),
794 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
795 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
796 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
799 rv = vnet_app_namespace_add_del (&args);
802 appns_index = app_namespace_index_from_id (ns_id);
803 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
805 clib_warning ("app ns lookup failed id:%s", ns_id);
806 rv = VNET_API_ERROR_UNSPECIFIED;
812 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V2_REPLY, ({
814 rmp->appns_index = clib_host_to_net_u32 (appns_index);
819 vl_api_app_namespace_add_del_v4_t_handler (
820 vl_api_app_namespace_add_del_v4_t *mp)
822 vl_api_app_namespace_add_del_v4_reply_t *rmp;
823 u8 *ns_id = 0, *sock_name = 0;
826 if (session_main_is_enabled () == 0)
828 rv = VNET_API_ERROR_FEATURE_DISABLED;
831 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
832 ns_id = format (0, "%s", &mp->namespace_id);
833 sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
834 vnet_app_namespace_add_del_args_t args = {
836 .sock_name = sock_name,
837 .secret = clib_net_to_host_u64 (mp->secret),
838 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
839 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
840 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
841 .is_add = mp->is_add,
843 rv = vnet_app_namespace_add_del (&args);
844 if (!rv && mp->is_add)
846 appns_index = app_namespace_index_from_id (ns_id);
847 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
849 clib_warning ("app ns lookup failed id:%s", ns_id);
850 rv = VNET_API_ERROR_UNSPECIFIED;
854 vec_free (sock_name);
856 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V4_REPLY, ({
858 rmp->appns_index = clib_host_to_net_u32 (appns_index);
863 vl_api_app_namespace_add_del_v3_t_handler (
864 vl_api_app_namespace_add_del_v3_t *mp)
866 vl_api_app_namespace_add_del_v3_reply_t *rmp;
867 u8 *ns_id = 0, *sock_name = 0, *api_sock_name = 0;
870 if (session_main_is_enabled () == 0)
872 rv = VNET_API_ERROR_FEATURE_DISABLED;
875 mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
876 ns_id = format (0, "%s", &mp->namespace_id);
877 api_sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
878 mp->netns[sizeof (mp->netns) - 1] = 0;
879 if (strlen ((char *) mp->netns) != 0)
882 format (0, "abstract:%v,netns_name=%s", api_sock_name, &mp->netns);
886 sock_name = api_sock_name;
887 api_sock_name = 0; // for vec_free
890 vnet_app_namespace_add_del_args_t args = {
892 .sock_name = sock_name,
893 .secret = clib_net_to_host_u64 (mp->secret),
894 .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
895 .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
896 .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
897 .is_add = mp->is_add,
899 rv = vnet_app_namespace_add_del (&args);
900 if (!rv && mp->is_add)
902 appns_index = app_namespace_index_from_id (ns_id);
903 if (appns_index == APP_NAMESPACE_INVALID_INDEX)
905 clib_warning ("app ns lookup failed id:%s", ns_id);
906 rv = VNET_API_ERROR_UNSPECIFIED;
910 vec_free (sock_name);
911 vec_free (api_sock_name);
913 REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V3_REPLY, ({
915 rmp->appns_index = clib_host_to_net_u32 (appns_index);
920 vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
922 vl_api_session_rule_add_del_reply_t *rmp;
923 session_rule_add_del_args_t args;
924 session_rule_table_add_del_args_t *table_args = &args.table_args;
927 clib_memset (&args, 0, sizeof (args));
929 ip_prefix_decode (&mp->lcl, &table_args->lcl);
930 ip_prefix_decode (&mp->rmt, &table_args->rmt);
932 table_args->lcl_port = mp->lcl_port;
933 table_args->rmt_port = mp->rmt_port;
934 table_args->action_index = clib_net_to_host_u32 (mp->action_index);
935 table_args->is_add = mp->is_add;
936 mp->tag[sizeof (mp->tag) - 1] = 0;
937 table_args->tag = format (0, "%s", mp->tag);
938 args.appns_index = clib_net_to_host_u32 (mp->appns_index);
939 args.scope = mp->scope;
940 args.transport_proto =
941 api_session_transport_proto_decode (&mp->transport_proto) ==
942 TRANSPORT_PROTO_UDP ? 1 : 0;
944 rv = vnet_session_rule_add_del (&args);
947 clib_warning ("rule add del returned: %U", format_session_error, rv);
948 rv = VNET_API_ERROR_UNSPECIFIED;
950 vec_free (table_args->tag);
951 REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
955 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
956 u8 transport_proto, u32 appns_index, u8 * tag,
957 vl_api_registration_t * reg, u32 context)
959 vl_api_session_rules_details_t *rmp = 0;
960 session_mask_or_match_4_t *match =
961 (session_mask_or_match_4_t *) & rule->match;
962 session_mask_or_match_4_t *mask =
963 (session_mask_or_match_4_t *) & rule->mask;
964 fib_prefix_t lcl, rmt;
966 rmp = vl_msg_api_alloc (sizeof (*rmp));
967 clib_memset (rmp, 0, sizeof (*rmp));
968 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
969 rmp->context = context;
971 clib_memset (&lcl, 0, sizeof (lcl));
972 clib_memset (&rmt, 0, sizeof (rmt));
973 ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
974 ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
975 lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
976 rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
978 ip_prefix_encode (&lcl, &rmp->lcl);
979 ip_prefix_encode (&rmt, &rmp->rmt);
980 rmp->lcl_port = match->lcl_port;
981 rmp->rmt_port = match->rmt_port;
982 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
984 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
985 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
986 rmp->appns_index = clib_host_to_net_u32 (appns_index);
989 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
990 rmp->tag[vec_len (tag)] = 0;
993 vl_api_send_msg (reg, (u8 *) rmp);
997 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
998 u8 transport_proto, u32 appns_index, u8 * tag,
999 vl_api_registration_t * reg, u32 context)
1001 vl_api_session_rules_details_t *rmp = 0;
1002 session_mask_or_match_6_t *match =
1003 (session_mask_or_match_6_t *) & rule->match;
1004 session_mask_or_match_6_t *mask =
1005 (session_mask_or_match_6_t *) & rule->mask;
1006 fib_prefix_t lcl, rmt;
1008 rmp = vl_msg_api_alloc (sizeof (*rmp));
1009 clib_memset (rmp, 0, sizeof (*rmp));
1010 rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
1011 rmp->context = context;
1013 clib_memset (&lcl, 0, sizeof (lcl));
1014 clib_memset (&rmt, 0, sizeof (rmt));
1015 ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
1016 ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
1017 lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
1018 rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
1020 ip_prefix_encode (&lcl, &rmp->lcl);
1021 ip_prefix_encode (&rmt, &rmp->rmt);
1022 rmp->lcl_port = match->lcl_port;
1023 rmp->rmt_port = match->rmt_port;
1024 rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1026 is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
1027 rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
1028 rmp->appns_index = clib_host_to_net_u32 (appns_index);
1031 clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1032 rmp->tag[vec_len (tag)] = 0;
1035 vl_api_send_msg (reg, (u8 *) rmp);
1039 send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
1040 u8 tp, u8 is_local, u32 appns_index,
1041 vl_api_registration_t * reg, u32 context)
1043 mma_rule_16_t *rule16;
1044 mma_rule_40_t *rule40;
1045 mma_rules_table_16_t *srt16;
1046 mma_rules_table_40_t *srt40;
1049 if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1053 srt16 = &srt->session_rules_tables_16;
1054 pool_foreach (rule16, srt16->rules) {
1055 ri = mma_rules_table_rule_index_16 (srt16, rule16);
1056 tag = session_rules_table_rule_tag (srt, ri, 1);
1057 send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1062 if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1066 srt40 = &srt->session_rules_tables_40;
1067 pool_foreach (rule40, srt40->rules) {
1068 ri = mma_rules_table_rule_index_40 (srt40, rule40);
1069 tag = session_rules_table_rule_tag (srt, ri, 1);
1070 send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1078 vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1080 vl_api_registration_t *reg;
1081 session_table_t *st;
1084 reg = vl_api_client_index_to_registration (mp->client_index);
1089 session_table_foreach (st, ({
1090 for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1092 send_session_rules_table_details (&st->session_rules[tp],
1093 st->active_fib_proto, tp,
1094 st->is_local, st->appns_index, reg,
1102 vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1104 vl_api_app_add_cert_key_pair_reply_t *rmp;
1105 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1106 u32 certkey_len, key_len, cert_len;
1108 if (session_main_is_enabled () == 0)
1110 rv = VNET_API_ERROR_FEATURE_DISABLED;
1114 cert_len = clib_net_to_host_u16 (mp->cert_len);
1115 if (cert_len > 10000)
1117 rv = VNET_API_ERROR_INVALID_VALUE;
1121 certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1122 if (certkey_len < cert_len)
1124 rv = VNET_API_ERROR_INVALID_VALUE;
1128 key_len = certkey_len - cert_len;
1129 if (key_len > 10000)
1131 rv = VNET_API_ERROR_INVALID_VALUE;
1135 clib_memset (a, 0, sizeof (*a));
1136 a->cert = mp->certkey;
1137 a->key = mp->certkey + cert_len;
1138 a->cert_len = cert_len;
1139 a->key_len = key_len;
1140 rv = vnet_app_add_cert_key_pair (a);
1144 REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1146 rmp->index = clib_host_to_net_u32 (a->index);
1152 vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1154 vl_api_app_del_cert_key_pair_reply_t *rmp;
1157 if (session_main_is_enabled () == 0)
1159 rv = VNET_API_ERROR_FEATURE_DISABLED;
1162 ckpair_index = clib_net_to_host_u32 (mp->index);
1163 rv = vnet_app_del_cert_key_pair (ckpair_index);
1166 clib_warning ("vnet_app_del_cert_key_pair: %U", format_session_error,
1168 rv = VNET_API_ERROR_UNSPECIFIED;
1172 REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1175 static clib_error_t *
1176 application_reaper_cb (u32 client_index)
1178 application_t *app = application_lookup (client_index);
1179 vnet_app_detach_args_t _a, *a = &_a;
1182 a->app_index = app->app_index;
1183 a->api_client_index = client_index;
1184 vnet_application_detach (a);
1189 VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1192 * Socket api functions
1196 mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1198 session_app_add_segment_msg_t m = { 0 };
1199 app_worker_t *app_wrk;
1204 app_wrk = app_worker_get (app_wrk_index);
1206 fs = segment_manager_get_segment_w_handle (segment_handle);
1208 ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1210 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1212 m.segment_size = sp->ssvm_size;
1213 m.fd_flags = fd_flags;
1214 m.segment_handle = segment_handle;
1215 strncpy ((char *) m.segment_name, (char *) sp->name,
1216 sizeof (m.segment_name) - 1);
1218 app_wrk_send_ctrl_evt_fd (app_wrk, SESSION_CTRL_EVT_APP_ADD_SEGMENT, &m,
1219 sizeof (m), sp->fd);
1225 mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1227 session_app_del_segment_msg_t m = { 0 };
1228 app_worker_t *app_wrk;
1230 app_wrk = app_worker_get (app_wrk_index);
1232 m.segment_handle = segment_handle;
1234 app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_APP_DEL_SEGMENT, &m,
1240 static session_cb_vft_t session_mq_sapi_cb_vft = {
1241 .session_accept_callback = mq_send_session_accepted_cb,
1242 .session_disconnect_callback = mq_send_session_disconnected_cb,
1243 .session_connected_callback = mq_send_session_connected_cb,
1244 .session_reset_callback = mq_send_session_reset_cb,
1245 .session_migrate_callback = mq_send_session_migrate_cb,
1246 .session_cleanup_callback = mq_send_session_cleanup_cb,
1247 .add_segment_callback = mq_send_add_segment_sapi_cb,
1248 .del_segment_callback = mq_send_del_segment_sapi_cb,
1252 session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1253 app_sapi_attach_msg_t * mp)
1255 int rv = 0, *fds = 0, n_fds = 0, i, n_workers;
1256 vnet_app_attach_args_t _a, *a = &_a;
1257 app_sapi_attach_reply_msg_t *rmp;
1258 u8 fd_flags = 0, ctrl_thread;
1259 app_ns_api_handle_t *handle;
1260 fifo_segment_t *rx_mqs_seg;
1261 app_sapi_msg_t msg = { 0 };
1262 app_worker_t *app_wrk;
1266 /* Make sure name is null terminated */
1269 clib_memset (a, 0, sizeof (*a));
1270 a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1271 a->name = format (0, "%s", (char *) mp->name);
1272 a->options = mp->options;
1273 a->session_cb_vft = &session_mq_sapi_cb_vft;
1274 a->use_sock_api = 1;
1275 a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1277 if ((rv = vnet_application_attach (a)))
1279 clib_warning ("attach returned: %d", rv);
1283 n_workers = vlib_num_workers ();
1284 vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
1286 /* Send event queues segment */
1287 app = application_get (a->app_index);
1288 rx_mqs_seg = application_get_rx_mqs_segment (app);
1290 fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1291 fds[n_fds] = rx_mqs_seg->ssvm.fd;
1294 /* Send fifo segment fd if needed */
1295 if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1297 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1298 fds[n_fds] = a->segment->fd;
1301 if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1303 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1304 fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1308 if (application_use_private_rx_mqs ())
1310 fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
1311 for (i = 0; i < n_workers + 1; i++)
1313 rx_mq = application_rx_mq_get (app, i);
1314 fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
1321 msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1322 rmp = &msg.attach_reply;
1326 ctrl_thread = n_workers ? 1 : 0;
1327 rmp->app_index = a->app_index;
1329 fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1330 rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
1331 rmp->vpp_ctrl_mq_thread = ctrl_thread;
1333 rmp->fd_flags = fd_flags;
1334 /* No segment name and size since we only support memfds
1335 * in this configuration */
1336 rmp->segment_handle = a->segment_handle;
1337 rmp->api_client_handle = a->api_client_index;
1339 /* Update app index for socket */
1340 handle = (app_ns_api_handle_t *) & cs->private_data;
1341 app_wrk = application_get_worker (app, 0);
1342 handle->aah_app_wrk_index = app_wrk->wrk_index;
1345 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1351 sapi_socket_close_w_handle (u32 api_handle)
1353 app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1354 u16 sock_index = api_handle & 0xffff;
1355 app_ns_api_handle_t *handle;
1359 cs = appns_sapi_get_socket (app_ns, sock_index);
1363 handle = (app_ns_api_handle_t *) & cs->private_data;
1364 cf = clib_file_get (&file_main, handle->aah_file_index);
1365 clib_file_del (&file_main, cf);
1367 clib_socket_close (cs);
1368 appns_sapi_free_socket (app_ns, cs);
1372 sapi_add_del_worker_handler (app_namespace_t * app_ns,
1374 app_sapi_worker_add_del_msg_t * mp)
1376 int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1377 app_sapi_worker_add_del_reply_msg_t *rmp;
1378 app_ns_api_handle_t *handle;
1379 app_sapi_msg_t msg = { 0 };
1380 app_worker_t *app_wrk;
1381 u32 sapi_handle = -1;
1385 app = application_get_if_valid (mp->app_index);
1388 rv = SESSION_E_INVALID;
1392 sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1394 vnet_app_worker_add_del_args_t args = {
1395 .app_index = app->app_index,
1396 .wrk_map_index = mp->wrk_index,
1397 .api_client_index = sapi_handle,
1398 .is_add = mp->is_add
1400 rv = vnet_app_worker_add_del (&args);
1403 clib_warning ("app worker add/del returned: %U", format_session_error,
1411 /* Send fifo segment fd if needed */
1412 if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1414 fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1415 fds[n_fds] = args.segment->fd;
1418 if (application_segment_manager_properties (app)->use_mq_eventfd)
1420 fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1421 fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1427 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1428 rmp = &msg.worker_add_del_reply;
1430 rmp->is_add = mp->is_add;
1431 rmp->api_client_handle = sapi_handle;
1432 rmp->wrk_index = args.wrk_map_index;
1433 rmp->segment_handle = args.segment_handle;
1434 if (!rv && mp->is_add)
1436 /* No segment name and size. This supports only memfds */
1437 rmp->app_event_queue_address =
1438 fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1440 rmp->fd_flags = fd_flags;
1442 /* Update app index for socket */
1443 handle = (app_ns_api_handle_t *) & cs->private_data;
1444 app_wrk = application_get_worker (app, args.wrk_map_index);
1445 handle->aah_app_wrk_index = app_wrk->wrk_index;
1448 clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1451 /* This is a workaround for the case when session layer starts reading
1452 * the socket before the client actualy sends the data
1454 static clib_error_t *
1455 sapi_socket_receive_wait (clib_socket_t *cs, u8 *msg, u32 msg_len)
1462 err = clib_socket_recvmsg (cs, msg, msg_len, 0, 0);
1477 sapi_add_del_cert_key_handler (app_namespace_t *app_ns, clib_socket_t *cs,
1478 app_sapi_cert_key_add_del_msg_t *mp)
1480 vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1481 app_sapi_cert_key_add_del_reply_msg_t *rmp;
1482 app_sapi_msg_t msg = { 0 };
1487 const u32 max_certkey_len = 2e4, max_cert_len = 1e4, max_key_len = 1e4;
1492 if (mp->certkey_len > max_certkey_len)
1494 rv = SESSION_E_INVALID;
1498 vec_validate (certkey, mp->certkey_len - 1);
1500 err = sapi_socket_receive_wait (cs, certkey, mp->certkey_len);
1503 clib_error_report (err);
1504 rv = SESSION_E_INVALID;
1508 if (mp->cert_len > max_cert_len)
1510 rv = SESSION_E_INVALID;
1514 if (mp->certkey_len < mp->cert_len)
1516 rv = SESSION_E_INVALID;
1520 key_len = mp->certkey_len - mp->cert_len;
1521 if (key_len > max_key_len)
1523 rv = SESSION_E_INVALID;
1527 clib_memset (a, 0, sizeof (*a));
1529 a->key = certkey + mp->cert_len;
1530 a->cert_len = mp->cert_len;
1531 a->key_len = key_len;
1532 rv = vnet_app_add_cert_key_pair (a);
1538 rv = vnet_app_del_cert_key_pair (mp->index);
1543 msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY_REPLY;
1544 rmp = &msg.cert_key_add_del_reply;
1546 rmp->context = mp->context;
1547 if (!rv && mp->is_add)
1548 rmp->index = a->index;
1550 clib_socket_sendmsg (cs, &msg, sizeof (msg), 0, 0);
1554 sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1556 app_ns_api_handle_t *handle;
1557 app_worker_t *app_wrk;
1558 u32 api_client_handle;
1560 api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1562 /* Cleanup everything because app worker closed socket or crashed */
1563 handle = (app_ns_api_handle_t *) & cs->private_data;
1564 app_wrk = app_worker_get_if_valid (handle->aah_app_wrk_index);
1568 vnet_app_worker_add_del_args_t args = {
1569 .app_index = app_wrk->app_index,
1570 .wrk_map_index = app_wrk->wrk_map_index,
1571 .api_client_index = api_client_handle,
1574 /* Send rpc to main thread for worker barrier */
1575 vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1579 static clib_error_t *
1580 sapi_sock_read_ready (clib_file_t * cf)
1582 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1583 vlib_main_t *vm = vlib_get_main ();
1584 app_sapi_msg_t msg = { 0 };
1585 app_namespace_t *app_ns;
1586 clib_error_t *err = 0;
1589 app_ns = app_namespace_get (handle->aah_app_ns_index);
1590 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1594 err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1597 clib_error_free (err);
1598 sapi_socket_detach (app_ns, cs);
1602 handle = (app_ns_api_handle_t *) & cs->private_data;
1604 vlib_worker_thread_barrier_sync (vm);
1608 case APP_SAPI_MSG_TYPE_ATTACH:
1609 session_api_attach_handler (app_ns, cs, &msg.attach);
1611 case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1612 sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1614 case APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY:
1615 sapi_add_del_cert_key_handler (app_ns, cs, &msg.cert_key_add_del);
1618 clib_warning ("app wrk %u unknown message type: %u",
1619 handle->aah_app_wrk_index, msg.type);
1623 vlib_worker_thread_barrier_release (vm);
1629 static clib_error_t *
1630 sapi_sock_write_ready (clib_file_t * cf)
1632 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1633 clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1637 static clib_error_t *
1638 sapi_sock_error (clib_file_t * cf)
1640 app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1641 app_namespace_t *app_ns;
1644 app_ns = app_namespace_get (handle->aah_app_ns_index);
1645 cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1649 sapi_socket_detach (app_ns, cs);
1653 static clib_error_t *
1654 sapi_sock_accept_ready (clib_file_t * scf)
1656 app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1657 app_namespace_t *app_ns;
1658 clib_file_t cf = { 0 };
1659 clib_error_t *err = 0;
1660 clib_socket_t *ccs, *scs;
1662 /* Listener files point to namespace */
1663 app_ns = app_namespace_get (handle.aah_app_ns_index);
1666 * Initialize client socket
1668 ccs = appns_sapi_alloc_socket (app_ns);
1670 /* Grab server socket after client is initialized */
1671 scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1675 err = clib_socket_accept (scs, ccs);
1678 clib_error_report (err);
1682 cf.read_function = sapi_sock_read_ready;
1683 cf.write_function = sapi_sock_write_ready;
1684 cf.error_function = sapi_sock_error;
1685 cf.file_descriptor = ccs->fd;
1686 /* File points to app namespace and socket */
1687 handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1688 cf.private_data = handle.as_u64;
1689 cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1691 /* Poll until we get an attach message. Socket points to file and
1692 * application that owns the socket */
1693 handle.aah_app_wrk_index = APP_INVALID_INDEX;
1694 handle.aah_file_index = clib_file_add (&file_main, &cf);
1695 ccs->private_data = handle.as_u64;
1700 appns_sapi_free_socket (app_ns, ccs);
1705 appns_sapi_del_ns_socket (app_namespace_t *app_ns)
1707 app_ns_api_handle_t *handle;
1710 pool_foreach (cs, app_ns->app_sockets)
1712 handle = (app_ns_api_handle_t *) &cs->private_data;
1713 clib_file_del_by_index (&file_main, handle->aah_file_index);
1715 clib_socket_close (cs);
1716 clib_socket_free (cs);
1718 pool_free (app_ns->app_sockets);
1722 appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1724 char *subdir = "/app_ns_sockets/";
1725 app_ns_api_handle_t *handle;
1726 clib_file_t cf = { 0 };
1727 struct stat file_stat;
1732 snprintf (dir, sizeof (dir), "%s%s", vlib_unix_get_runtime_dir (), subdir);
1734 if (!app_ns->sock_name)
1735 app_ns->sock_name = format (0, "%s%v%c", dir, app_ns->ns_id, 0);
1738 * Create and initialize socket to listen on
1740 cs = appns_sapi_alloc_socket (app_ns);
1741 cs->config = (char *) vec_dup (app_ns->sock_name);
1742 cs->flags = CLIB_SOCKET_F_IS_SERVER |
1743 CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1744 CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1746 if (clib_socket_prefix_get_type (cs->config) == CLIB_SOCKET_TYPE_UNIX)
1748 err = vlib_unix_recursive_mkdir ((char *) dir);
1751 clib_error_report (err);
1752 return SESSION_E_SYSCALL;
1756 if ((err = clib_socket_init (cs)))
1758 clib_error_report (err);
1762 if (clib_socket_prefix_get_type (cs->config) == CLIB_SOCKET_TYPE_UNIX &&
1763 stat ((char *) app_ns->sock_name, &file_stat) == -1)
1769 cf.read_function = sapi_sock_accept_ready;
1770 cf.file_descriptor = cs->fd;
1771 /* File points to namespace */
1772 handle = (app_ns_api_handle_t *) & cf.private_data;
1773 handle->aah_app_ns_index = app_namespace_index (app_ns);
1774 handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1775 cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1777 /* Socket points to clib file index */
1778 handle = (app_ns_api_handle_t *) & cs->private_data;
1779 handle->aah_file_index = clib_file_add (&file_main, &cf);
1780 handle->aah_app_wrk_index = APP_INVALID_INDEX;
1785 #include <vnet/session/session.api.c>
1786 static clib_error_t *
1787 session_api_hookup (vlib_main_t *vm)
1790 * Set up the (msg_name, crc, message-id) table
1792 REPLY_MSG_ID_BASE = setup_message_id_table ();
1797 VLIB_API_INIT_FUNCTION (session_api_hookup);
1800 * fd.io coding-style-patch-verification: ON
1803 * eval: (c-set-style "gnu")