FD.io VPP  v20.01-48-g3e0dafb74
Vector Packet Processing
session_api.c
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1 /*
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:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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.
14  */
15 
16 #include <vnet/vnet.h>
17 #include <vlibmemory/api.h>
23 #include <vnet/session/session.h>
24 
25 #include <vnet/vnet_msg_enum.h>
26 
27 #define vl_typedefs /* define message structures */
28 #include <vnet/vnet_all_api_h.h>
29 #undef vl_typedefs
30 
31 #define vl_endianfun /* define message structures */
32 #include <vnet/vnet_all_api_h.h>
33 #undef vl_endianfun
34 
35 /* instantiate all the print functions we know about */
36 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
37 #define vl_printfun
38 #include <vnet/vnet_all_api_h.h>
39 #undef vl_printfun
40 
42 
43 #define foreach_session_api_msg \
44 _(MAP_ANOTHER_SEGMENT_REPLY, map_another_segment_reply) \
45 _(APPLICATION_ATTACH, application_attach) \
46 _(APP_ATTACH, app_attach) \
47 _(APPLICATION_DETACH, application_detach) \
48 _(BIND_URI, bind_uri) \
49 _(UNBIND_URI, unbind_uri) \
50 _(CONNECT_URI, connect_uri) \
51 _(DISCONNECT_SESSION, disconnect_session) \
52 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
53 _(BIND_SOCK, bind_sock) \
54 _(UNBIND_SOCK, unbind_sock) \
55 _(CONNECT_SOCK, connect_sock) \
56 _(SESSION_ENABLE_DISABLE, session_enable_disable) \
57 _(APP_NAMESPACE_ADD_DEL, app_namespace_add_del) \
58 _(SESSION_RULE_ADD_DEL, session_rule_add_del) \
59 _(SESSION_RULES_DUMP, session_rules_dump) \
60 _(APPLICATION_TLS_CERT_ADD, application_tls_cert_add) \
61 _(APPLICATION_TLS_KEY_ADD, application_tls_key_add) \
62 _(APP_ADD_CERT_KEY_PAIR, app_add_cert_key_pair) \
63 _(APP_DEL_CERT_KEY_PAIR, app_del_cert_key_pair) \
64 _(APP_WORKER_ADD_DEL, app_worker_add_del) \
65 
66 static int
67 session_send_fds (vl_api_registration_t * reg, int fds[], int n_fds)
68 {
69  clib_error_t *error;
71  {
72  clib_warning ("can't send memfd fd");
73  return -1;
74  }
75  error = vl_api_send_fd_msg (reg, fds, n_fds);
76  if (error)
77  {
78  clib_error_report (error);
79  return -1;
80  }
81  return 0;
82 }
83 
84 /* ### WILL BE DEPRECATED POST 20.01 ### */
85 static int
86 send_add_segment_callback (u32 api_client_index, u64 segment_handle)
87 {
88  int fds[SESSION_N_FD_TYPE], n_fds = 0;
91  fifo_segment_t *fs;
92  ssvm_private_t *sp;
93  u8 fd_flags = 0;
94 
95  reg = vl_mem_api_client_index_to_registration (api_client_index);
96  if (!reg)
97  {
98  clib_warning ("no api registration for client: %u", api_client_index);
99  return -1;
100  }
101 
102  fs = segment_manager_get_segment_w_handle (segment_handle);
103  sp = &fs->ssvm;
104  if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
105  {
107  {
108  clib_warning ("can't send memfd fd");
109  return -1;
110  }
111 
112  fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
113  fds[n_fds] = sp->fd;
114  n_fds += 1;
115  }
116 
117  mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp));
118  clib_memset (mp, 0, sizeof (*mp));
119  mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_MAP_ANOTHER_SEGMENT);
120  mp->segment_size = sp->ssvm_size;
121  mp->fd_flags = fd_flags;
122  mp->segment_handle = clib_host_to_net_u64 (segment_handle);
123  strncpy ((char *) mp->segment_name, (char *) sp->name,
124  sizeof (mp->segment_name) - 1);
125 
126  vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp);
127 
128  if (n_fds)
129  return session_send_fds (reg, fds, n_fds);
130 
131  return 0;
132 }
133 
134 /* ### WILL BE DEPRECATED POST 20.01 ### */
135 static int
136 send_del_segment_callback (u32 api_client_index, u64 segment_handle)
137 {
140 
141  reg = vl_mem_api_client_index_to_registration (api_client_index);
142  if (!reg)
143  {
144  clib_warning ("no registration: %u", api_client_index);
145  return -1;
146  }
147 
148  mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp));
149  clib_memset (mp, 0, sizeof (*mp));
150  mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_UNMAP_SEGMENT);
151  mp->segment_handle = clib_host_to_net_u64 (segment_handle);
152  vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp);
153 
154  return 0;
155 }
156 
157 static int
159 {
160  int rv;
161  u8 try = 0;
162  while (try < 100)
163  {
166  SVM_Q_NOWAIT, msg);
167  if (!rv)
168  return 0;
169  try++;
170  usleep (1);
171  }
172  clib_warning ("failed to alloc msg");
173  return -1;
174 }
175 
176 static int
178 {
179  app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
180  svm_msg_q_msg_t _msg, *msg = &_msg;
181  svm_msg_q_t *vpp_queue, *app_mq;
184  session_event_t *evt;
185  application_t *app;
186 
187  app = application_get (app_wrk->app_index);
188  app_mq = app_wrk->event_queue;
189  if (mq_try_lock_and_alloc_msg (app_mq, msg))
190  return -1;
191 
192  evt = svm_msg_q_msg_data (app_mq, msg);
193  clib_memset (evt, 0, sizeof (*evt));
194  evt->event_type = SESSION_CTRL_EVT_ACCEPTED;
195  mp = (session_accepted_msg_t *) evt->data;
196  clib_memset (mp, 0, sizeof (*mp));
197  mp->context = app->app_index;
201  mp->flags = s->flags;
202 
203  if (session_has_transport (s))
204  {
207  if (application_is_proxy (app))
208  {
209  listener =
212  if (listener)
214  }
216  mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
217  mp->handle = session_handle (s);
218 
219  session_get_endpoint (s, &mp->rmt, 0 /* is_lcl */ );
220  }
221  else
222  {
223  ct_connection_t *ct;
224 
228  mp->rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
229  mp->rmt.port = ct->c_rmt_port;
230  mp->handle = session_handle (s);
231  vpp_queue = session_main_get_vpp_event_queue (0);
232  mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
233  }
234  svm_msg_q_add_and_unlock (app_mq, msg);
235 
236  return 0;
237 }
238 
239 static inline void
241  session_evt_type_t evt_type)
242 {
243  svm_msg_q_msg_t _msg, *msg = &_msg;
245  svm_msg_q_t *app_mq;
246  session_event_t *evt;
247 
248  app_mq = app_wrk->event_queue;
249  if (mq_try_lock_and_alloc_msg (app_mq, msg))
250  return;
251  evt = svm_msg_q_msg_data (app_mq, msg);
252  clib_memset (evt, 0, sizeof (*evt));
253  evt->event_type = evt_type;
254  mp = (session_disconnected_msg_t *) evt->data;
255  mp->handle = sh;
256  mp->context = app_wrk->api_client_index;
257  svm_msg_q_add_and_unlock (app_mq, msg);
258 }
259 
260 static inline void
262  svm_fifo_t * f, session_evt_type_t evt_type)
263 {
264  app_worker_t *app_wrk;
265  application_t *app;
266  int i;
267 
268  app = application_get (app_index);
269  if (!app)
270  return;
271 
272  for (i = 0; i < f->n_subscribers; i++)
273  {
274  if (!(app_wrk = application_get_worker (app, f->subscribers[i])))
275  continue;
277  }
278 }
279 
280 static void
282 {
283  app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
285 
288 
292 }
293 
294 static void
296 {
297  app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
299 
301 
305 }
306 
307 int
308 mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
309  session_t * s, u8 is_fail)
310 {
311  svm_msg_q_msg_t _msg, *msg = &_msg;
313  svm_msg_q_t *vpp_mq, *app_mq;
315  app_worker_t *app_wrk;
316  session_event_t *evt;
317 
318  app_wrk = app_worker_get (app_wrk_index);
319  app_mq = app_wrk->event_queue;
320  if (!app_mq)
321  {
322  clib_warning ("app %u with api index: %u not attached",
323  app_wrk->app_index, app_wrk->api_client_index);
324  return -1;
325  }
326 
327  if (mq_try_lock_and_alloc_msg (app_mq, msg))
328  return -1;
329 
330  evt = svm_msg_q_msg_data (app_mq, msg);
331  clib_memset (evt, 0, sizeof (*evt));
332  evt->event_type = SESSION_CTRL_EVT_CONNECTED;
333  mp = (session_connected_msg_t *) evt->data;
334  clib_memset (mp, 0, sizeof (*mp));
335  mp->context = api_context;
336 
337  if (is_fail)
338  goto done;
339 
340  if (session_has_transport (s))
341  {
342  tc = session_get_transport (s);
343  if (!tc)
344  {
345  is_fail = 1;
346  goto done;
347  }
348 
350  mp->handle = session_handle (s);
352 
353  session_get_endpoint (s, &mp->lcl, 1 /* is_lcl */ );
354 
358  }
359  else
360  {
361  ct_connection_t *cct;
362  session_t *ss;
363 
365  mp->handle = session_handle (s);
366  mp->lcl.port = cct->c_lcl_port;
367  mp->lcl.is_ip4 = cct->c_is_ip4;
373  ss = ct_session_get_peer (s);
374  mp->ct_rx_fifo = pointer_to_uword (ss->tx_fifo);
375  mp->ct_tx_fifo = pointer_to_uword (ss->rx_fifo);
377  }
378 
379 done:
380  mp->retval = is_fail ?
381  clib_host_to_net_u32 (VNET_API_ERROR_SESSION_CONNECT) : 0;
382 
383  svm_msg_q_add_and_unlock (app_mq, msg);
384  return 0;
385 }
386 
387 int
388 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
389  session_handle_t handle, int rv)
390 {
391  svm_msg_q_msg_t _msg, *msg = &_msg;
392  svm_msg_q_t *app_mq, *vpp_evt_q;
395  app_worker_t *app_wrk;
396  session_event_t *evt;
397  app_listener_t *al;
398  session_t *ls = 0;
399  app_wrk = app_worker_get (app_wrk_index);
400  app_mq = app_wrk->event_queue;
401  if (!app_mq)
402  {
403  clib_warning ("app %u with api index: %u not attached",
404  app_wrk->app_index, app_wrk->api_client_index);
405  return -1;
406  }
407 
408  if (mq_try_lock_and_alloc_msg (app_mq, msg))
409  return -1;
410 
411  evt = svm_msg_q_msg_data (app_mq, msg);
412  clib_memset (evt, 0, sizeof (*evt));
413  evt->event_type = SESSION_CTRL_EVT_BOUND;
414  mp = (session_bound_msg_t *) evt->data;
415  mp->context = api_context;
416 
417  if (rv)
418  goto done;
419 
420  mp->handle = handle;
421  al = app_listener_get_w_handle (handle);
423  ls = app_listener_get_session (al);
424  else
426 
427  session_get_endpoint (ls, &tep, 1 /* is_lcl */ );
428  mp->lcl_port = tep.port;
429  mp->lcl_is_ip4 = tep.is_ip4;
430  clib_memcpy_fast (mp->lcl_ip, &tep.ip, sizeof (tep.ip));
431 
432  vpp_evt_q = session_main_get_vpp_event_queue (0);
433  mp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
434 
436  {
437  mp->rx_fifo = pointer_to_uword (ls->rx_fifo);
438  mp->tx_fifo = pointer_to_uword (ls->tx_fifo);
439  }
440 
441 done:
442  mp->retval = rv;
443  svm_msg_q_add_and_unlock (app_mq, msg);
444  return 0;
445 }
446 
447 void
449  u32 context, int rv)
450 {
451  svm_msg_q_msg_t _msg, *msg = &_msg;
453  svm_msg_q_t *app_mq;
454  session_event_t *evt;
455 
456  app_mq = app_wrk->event_queue;
457  if (mq_try_lock_and_alloc_msg (app_mq, msg))
458  return;
459 
460  evt = svm_msg_q_msg_data (app_mq, msg);
461  clib_memset (evt, 0, sizeof (*evt));
462  evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY;
463  ump = (session_unlisten_reply_msg_t *) evt->data;
464  ump->context = context;
465  ump->handle = sh;
466  ump->retval = rv;
467  svm_msg_q_add_and_unlock (app_mq, msg);
468 }
469 
470 static void
472 {
473  clib_warning ("not supported");
474 }
475 
476 static int
477 mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
478 {
479  int fds[SESSION_N_FD_TYPE], n_fds = 0;
480  svm_msg_q_msg_t _msg, *msg = &_msg;
483  app_worker_t *app_wrk;
484  session_event_t *evt;
485  svm_msg_q_t *app_mq;
486  fifo_segment_t *fs;
487  ssvm_private_t *sp;
488  u8 fd_flags = 0;
489 
490  app_wrk = app_worker_get (app_wrk_index);
491 
493  if (!reg)
494  {
495  clib_warning ("no api registration for client: %u",
496  app_wrk->api_client_index);
497  return -1;
498  }
499 
500  fs = segment_manager_get_segment_w_handle (segment_handle);
501  sp = &fs->ssvm;
502  if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
503  {
505  {
506  clib_warning ("can't send memfd fd");
507  return -1;
508  }
509 
510  fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
511  fds[n_fds] = sp->fd;
512  n_fds += 1;
513  }
514 
515  app_mq = app_wrk->event_queue;
516  if (mq_try_lock_and_alloc_msg (app_mq, msg))
517  return -1;
518 
519  if (n_fds)
520  session_send_fds (reg, fds, n_fds);
521 
522  evt = svm_msg_q_msg_data (app_mq, msg);
523  clib_memset (evt, 0, sizeof (*evt));
524  evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT;
525  mp = (session_app_add_segment_msg_t *) evt->data;
526  clib_memset (mp, 0, sizeof (*mp));
527  mp->segment_size = sp->ssvm_size;
528  mp->fd_flags = fd_flags;
529  mp->segment_handle = segment_handle;
530  strncpy ((char *) mp->segment_name, (char *) sp->name,
531  sizeof (mp->segment_name) - 1);
532 
533  svm_msg_q_add_and_unlock (app_mq, msg);
534 
535  return 0;
536 }
537 
538 static int
539 mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
540 {
541  svm_msg_q_msg_t _msg, *msg = &_msg;
544  app_worker_t *app_wrk;
545  session_event_t *evt;
546  svm_msg_q_t *app_mq;
547 
548  app_wrk = app_worker_get (app_wrk_index);
550  if (!reg)
551  {
552  clib_warning ("no registration: %u", app_wrk->api_client_index);
553  return -1;
554  }
555 
556  app_mq = app_wrk->event_queue;
557  if (mq_try_lock_and_alloc_msg (app_mq, msg))
558  return -1;
559 
560  evt = svm_msg_q_msg_data (app_mq, msg);
561  clib_memset (evt, 0, sizeof (*evt));
562  evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT;
563  mp = (session_app_del_segment_msg_t *) evt->data;
564  clib_memset (mp, 0, sizeof (*mp));
565  mp->segment_handle = segment_handle;
566  svm_msg_q_add_and_unlock (app_mq, msg);
567 
568  return 0;
569 }
570 
571 /* ### WILL BE DEPRECATED POST 20.01 ### */
572 static session_cb_vft_t session_mq_cb_vft_old = {
574  .session_disconnect_callback = mq_send_session_disconnected_cb,
575  .session_connected_callback = mq_send_session_connected_cb,
576  .session_reset_callback = mq_send_session_reset_cb,
577  .session_migrate_callback = mq_send_session_migrate_cb,
578  .add_segment_callback = send_add_segment_callback,
579  .del_segment_callback = send_del_segment_callback,
580 };
581 
582 static session_cb_vft_t session_mq_cb_vft = {
584  .session_disconnect_callback = mq_send_session_disconnected_cb,
585  .session_connected_callback = mq_send_session_connected_cb,
586  .session_reset_callback = mq_send_session_reset_cb,
587  .session_migrate_callback = mq_send_session_migrate_cb,
588  .add_segment_callback = mq_send_add_segment_cb,
589  .del_segment_callback = mq_send_del_segment_cb,
590 };
591 
592 static void
594 {
595  vl_api_session_enable_disable_reply_t *rmp;
597  int rv = 0;
598 
600  REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
601 }
602 
603 /* ### WILL BE DEPRECATED POST 20.01 ### */
604 static void
606 {
607  int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
609  ssvm_private_t *segp, *evt_q_segment;
610  vnet_app_attach_args_t _a, *a = &_a;
612  u8 fd_flags = 0;
613 
615  if (!reg)
616  return;
617 
618  if (session_main_is_enabled () == 0)
619  {
620  rv = VNET_API_ERROR_FEATURE_DISABLED;
621  goto done;
622  }
623 
625  sizeof (mp->options),
626  "Out of options, fix api message definition");
627 
628  clib_memset (a, 0, sizeof (*a));
629  a->api_client_index = mp->client_index;
630  a->options = mp->options;
631  a->session_cb_vft = &session_mq_cb_vft_old;
632  if (mp->namespace_id_len > 64)
633  {
634  rv = VNET_API_ERROR_INVALID_VALUE;
635  goto done;
636  }
637 
638  if (mp->namespace_id_len)
639  {
640  vec_validate (a->namespace_id, mp->namespace_id_len - 1);
641  clib_memcpy_fast (a->namespace_id, mp->namespace_id,
642  mp->namespace_id_len);
643  }
644 
645  if ((rv = vnet_application_attach (a)))
646  {
647  clib_warning ("attach returned: %d", rv);
648  vec_free (a->namespace_id);
649  goto done;
650  }
651  vec_free (a->namespace_id);
652 
653  /* Send event queues segment */
654  if ((evt_q_segment = session_main_get_evt_q_segment ()))
655  {
656  fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
657  fds[n_fds] = evt_q_segment->fd;
658  n_fds += 1;
659  }
660  /* Send fifo segment fd if needed */
661  if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
662  {
663  fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
664  fds[n_fds] = a->segment->fd;
665  n_fds += 1;
666  }
667  if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
668  {
669  fd_flags |= SESSION_FD_F_MQ_EVENTFD;
670  fds[n_fds] = svm_msg_q_get_producer_eventfd (a->app_evt_q);
671  n_fds += 1;
672  }
673 
674 done:
675 
676  /* *INDENT-OFF* */
677  REPLY_MACRO2 (VL_API_APPLICATION_ATTACH_REPLY, ({
678  if (!rv)
679  {
680  segp = a->segment;
681  rmp->app_index = clib_host_to_net_u32 (a->app_index);
682  rmp->segment_name_length = 0;
683  rmp->segment_size = segp->ssvm_size;
684  if (vec_len (segp->name))
685  {
686  memcpy (rmp->segment_name, segp->name, vec_len (segp->name));
687  rmp->segment_name_length = vec_len (segp->name);
688  }
689  rmp->app_event_queue_address = pointer_to_uword (a->app_evt_q);
690  rmp->n_fds = n_fds;
691  rmp->fd_flags = fd_flags;
692  rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
693  }
694  }));
695  /* *INDENT-ON* */
696 
697  if (n_fds)
698  session_send_fds (reg, fds, n_fds);
699 }
700 
701 static void
703 {
704  int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
706  ssvm_private_t *segp, *evt_q_segment;
707  vnet_app_attach_args_t _a, *a = &_a;
708  u8 fd_flags = 0, ctrl_thread;
710  svm_msg_q_t *ctrl_mq;
711 
713  if (!reg)
714  return;
715 
716  if (session_main_is_enabled () == 0)
717  {
718  rv = VNET_API_ERROR_FEATURE_DISABLED;
719  goto done;
720  }
721 
723  sizeof (mp->options),
724  "Out of options, fix api message definition");
725 
726  clib_memset (a, 0, sizeof (*a));
727  a->api_client_index = mp->client_index;
728  a->options = mp->options;
729  a->session_cb_vft = &session_mq_cb_vft;
730  if (mp->namespace_id_len > 64)
731  {
732  rv = VNET_API_ERROR_INVALID_VALUE;
733  goto done;
734  }
735 
736  if (mp->namespace_id_len)
737  {
738  vec_validate (a->namespace_id, mp->namespace_id_len - 1);
739  clib_memcpy_fast (a->namespace_id, mp->namespace_id,
740  mp->namespace_id_len);
741  }
742 
743  if ((rv = vnet_application_attach (a)))
744  {
745  clib_warning ("attach returned: %d", rv);
746  vec_free (a->namespace_id);
747  goto done;
748  }
749  vec_free (a->namespace_id);
750 
751  /* Send event queues segment */
752  if ((evt_q_segment = session_main_get_evt_q_segment ()))
753  {
754  fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
755  fds[n_fds] = evt_q_segment->fd;
756  n_fds += 1;
757  }
758  /* Send fifo segment fd if needed */
759  if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
760  {
761  fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
762  fds[n_fds] = a->segment->fd;
763  n_fds += 1;
764  }
765  if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
766  {
767  fd_flags |= SESSION_FD_F_MQ_EVENTFD;
768  fds[n_fds] = svm_msg_q_get_producer_eventfd (a->app_evt_q);
769  n_fds += 1;
770  }
771 
772 done:
773  /* *INDENT-OFF* */
774  REPLY_MACRO2 (VL_API_APP_ATTACH_REPLY, ({
775  if (!rv)
776  {
777  ctrl_thread = vlib_num_workers () ? 1 : 0;
778  ctrl_mq = session_main_get_vpp_event_queue (ctrl_thread);
779  segp = a->segment;
780  rmp->app_index = clib_host_to_net_u32 (a->app_index);
781  rmp->app_mq = pointer_to_uword (a->app_evt_q);
782  rmp->vpp_ctrl_mq = pointer_to_uword (ctrl_mq);
783  rmp->vpp_ctrl_mq_thread = ctrl_thread;
784  rmp->n_fds = n_fds;
785  rmp->fd_flags = fd_flags;
786  if (vec_len (segp->name))
787  {
788  memcpy (rmp->segment_name, segp->name, vec_len (segp->name));
789  rmp->segment_name_length = vec_len (segp->name);
790  }
791  rmp->segment_size = segp->ssvm_size;
792  rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
793  }
794  }));
795  /* *INDENT-ON* */
796 
797  if (n_fds)
798  session_send_fds (reg, fds, n_fds);
799 }
800 
801 /* ### WILL BE DEPRECATED POST 20.01 ### */
802 static void
804 {
805  vl_api_application_detach_reply_t *rmp;
806  int rv = VNET_API_ERROR_INVALID_VALUE_2;
807  vnet_app_detach_args_t _a, *a = &_a;
808  application_t *app;
809 
810  if (session_main_is_enabled () == 0)
811  {
812  rv = VNET_API_ERROR_FEATURE_DISABLED;
813  goto done;
814  }
815 
816  app = application_lookup (mp->client_index);
817  if (app)
818  {
819  a->app_index = app->app_index;
820  a->api_client_index = mp->client_index;
821  rv = vnet_application_detach (a);
822  }
823 
824 done:
825  REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
826 }
827 
828 /* ### WILL BE DEPRECATED POST 20.01 ### */
829 static void
831 {
832  vl_api_bind_uri_reply_t *rmp;
833  vnet_listen_args_t _a, *a = &_a;
834  application_t *app = 0;
835  app_worker_t *app_wrk;
836  int rv;
837 
838  if (session_main_is_enabled () == 0)
839  {
840  rv = VNET_API_ERROR_FEATURE_DISABLED;
841  goto done;
842  }
843 
844  app = application_lookup (mp->client_index);
845  if (app)
846  {
847  clib_memset (a, 0, sizeof (*a));
848  a->uri = (char *) mp->uri;
849  a->app_index = app->app_index;
850  rv = vnet_bind_uri (a);
851  }
852  else
853  {
854  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
855  }
856 
857 done:
858 
859  REPLY_MACRO (VL_API_BIND_URI_REPLY);
860 
861  if (app)
862  {
863  app_wrk = application_get_worker (app, 0);
864  mq_send_session_bound_cb (app_wrk->wrk_index, mp->context, a->handle,
865  rv);
866  }
867 }
868 
869 /* ### WILL BE DEPRECATED POST 20.01 ### */
870 static void
872 {
873  vl_api_unbind_uri_reply_t *rmp;
874  application_t *app;
875  vnet_unlisten_args_t _a, *a = &_a;
876  int rv;
877 
878  if (session_main_is_enabled () == 0)
879  {
880  rv = VNET_API_ERROR_FEATURE_DISABLED;
881  goto done;
882  }
883 
884  app = application_lookup (mp->client_index);
885  if (app)
886  {
887  a->uri = (char *) mp->uri;
888  a->app_index = app->app_index;
889  a->wrk_map_index = 0;
890  rv = vnet_unbind_uri (a);
891  }
892  else
893  {
894  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
895  }
896 
897 done:
898  REPLY_MACRO (VL_API_UNBIND_URI_REPLY);
899 }
900 
901 /* ### WILL BE DEPRECATED POST 20.01 ### */
902 static void
904 {
905  vl_api_connect_uri_reply_t *rmp;
906  vnet_connect_args_t _a, *a = &_a;
907  application_t *app;
908  int rv = 0;
909 
910  if (session_main_is_enabled () == 0)
911  {
912  rv = VNET_API_ERROR_FEATURE_DISABLED;
913  goto done;
914  }
915 
916  app = application_lookup (mp->client_index);
917  if (app)
918  {
919  clib_memset (a, 0, sizeof (*a));
920  a->uri = (char *) mp->uri;
921  a->api_context = mp->context;
922  a->app_index = app->app_index;
923  if ((rv = vnet_connect_uri (a)))
924  clib_warning ("connect_uri returned: %d", rv);
925  }
926  else
927  {
928  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
929  }
930 
931  /*
932  * Don't reply to stream (tcp) connects. The reply will come once
933  * the connection is established. In case of the redirects, the reply
934  * will come from the server app.
935  */
936  if (rv == 0)
937  return;
938 
939 done:
940  REPLY_MACRO (VL_API_CONNECT_URI_REPLY);
941 }
942 
943 /* ### WILL BE DEPRECATED POST 20.01 ### */
944 static void
946 {
948  vnet_disconnect_args_t _a, *a = &_a;
949  application_t *app;
950  int rv = 0;
951 
952  if (session_main_is_enabled () == 0)
953  {
954  rv = VNET_API_ERROR_FEATURE_DISABLED;
955  goto done;
956  }
957 
958  app = application_lookup (mp->client_index);
959  if (app)
960  {
961  a->handle = mp->handle;
962  a->app_index = app->app_index;
963  rv = vnet_disconnect_session (a);
964  }
965  else
966  {
967  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
968  }
969 
970 done:
971  REPLY_MACRO2 (VL_API_DISCONNECT_SESSION_REPLY, rmp->handle = mp->handle);
972 }
973 
974 /* ### WILL BE DEPRECATED POST 20.01 ### */
975 static void
977  mp)
978 {
979  vnet_disconnect_args_t _a, *a = &_a;
980  application_t *app;
981 
982  /* Client objected to disconnecting the session, log and continue */
983  if (mp->retval)
984  {
985  clib_warning ("client retval %d", mp->retval);
986  return;
987  }
988 
989  /* Disconnect has been confirmed. Confirm close to transport */
990  app = application_lookup (mp->context);
991  if (app)
992  {
993  a->handle = mp->handle;
994  a->app_index = app->app_index;
996  }
997 }
998 
999 /* ### WILL BE DEPRECATED POST 20.01 ### */
1000 static void
1001 vl_api_map_another_segment_reply_t_handler (vl_api_map_another_segment_reply_t
1002  * mp)
1003 {
1004  clib_warning ("not implemented");
1005 }
1006 
1007 /* ### WILL BE DEPRECATED POST 20.01 ### */
1008 static void
1010 {
1011  vnet_listen_args_t _a, *a = &_a;
1012  vl_api_bind_sock_reply_t *rmp;
1013  application_t *app = 0;
1014  app_worker_t *app_wrk;
1015  ip46_address_t *ip46;
1016  int rv = 0;
1017 
1018  if (session_main_is_enabled () == 0)
1019  {
1020  rv = VNET_API_ERROR_FEATURE_DISABLED;
1021  goto done;
1022  }
1023 
1024  app = application_lookup (mp->client_index);
1025  if (!app)
1026  {
1027  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
1028  goto done;
1029  }
1030 
1031  ip46 = (ip46_address_t *) mp->ip;
1032  clib_memset (a, 0, sizeof (*a));
1033  a->sep.is_ip4 = mp->is_ip4;
1034  a->sep.ip = *ip46;
1035  a->sep.port = mp->port;
1036  a->sep.fib_index = mp->vrf;
1037  a->sep.sw_if_index = ENDPOINT_INVALID_INDEX;
1038  a->sep.transport_proto = mp->proto;
1039  a->app_index = app->app_index;
1040  a->wrk_map_index = mp->wrk_index;
1041 
1042  if ((rv = vnet_listen (a)))
1043  clib_warning ("listen returned: %d", rv);
1044 
1045 done:
1046  /* Actual reply sent only over mq */
1047  REPLY_MACRO (VL_API_BIND_SOCK_REPLY);
1048 
1049  if (app)
1050  {
1051  app_wrk = application_get_worker (app, mp->wrk_index);
1052  mq_send_session_bound_cb (app_wrk->wrk_index, mp->context, a->handle,
1053  rv);
1054  }
1055 }
1056 
1057 /* ### WILL BE DEPRECATED POST 20.01 ### */
1058 static void
1060 {
1061  vl_api_unbind_sock_reply_t *rmp;
1062  vnet_unlisten_args_t _a, *a = &_a;
1063  app_worker_t *app_wrk;
1064  application_t *app = 0;
1065  int rv = 0;
1066 
1067  if (session_main_is_enabled () == 0)
1068  {
1069  rv = VNET_API_ERROR_FEATURE_DISABLED;
1070  goto done;
1071  }
1072 
1073  app = application_lookup (mp->client_index);
1074  if (app)
1075  {
1076  a->app_index = app->app_index;
1077  a->handle = mp->handle;
1078  a->wrk_map_index = mp->wrk_index;
1079  if ((rv = vnet_unlisten (a)))
1080  clib_warning ("unlisten returned: %d", rv);
1081  }
1082  else
1083  {
1084  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
1085  }
1086 
1087 done:
1088  REPLY_MACRO (VL_API_UNBIND_SOCK_REPLY);
1089 
1090  if (!app)
1091  return;
1092 
1093  app_wrk = application_get_worker (app, a->wrk_map_index);
1094  if (!app_wrk)
1095  return;
1096 
1097  mq_send_unlisten_reply (app_wrk, mp->handle, mp->context, rv);
1098 }
1099 
1100 /* ### WILL BE DEPRECATED POST 20.01 ### */
1101 static void
1103 {
1104  vl_api_connect_sock_reply_t *rmp;
1105  vnet_connect_args_t _a, *a = &_a;
1106  application_t *app = 0;
1107  int rv = 0;
1108 
1109  if (session_main_is_enabled () == 0)
1110  {
1111  rv = VNET_API_ERROR_FEATURE_DISABLED;
1112  goto done;
1113  }
1114 
1115  app = application_lookup (mp->client_index);
1116  if (app)
1117  {
1118  svm_queue_t *client_q;
1119  ip46_address_t *ip46 = (ip46_address_t *) mp->ip;
1120 
1121  clib_memset (a, 0, sizeof (*a));
1123  mp->client_queue_address = pointer_to_uword (client_q);
1124  a->sep.is_ip4 = mp->is_ip4;
1125  a->sep.ip = *ip46;
1126  a->sep.port = mp->port;
1127  a->sep.transport_proto = mp->proto;
1128  a->sep.peer.fib_index = mp->vrf;
1129  a->sep.peer.sw_if_index = ENDPOINT_INVALID_INDEX;
1130  a->sep_ext.parent_handle = mp->parent_handle;
1131  if (mp->hostname_len)
1132  {
1133  vec_validate (a->sep_ext.hostname, mp->hostname_len - 1);
1134  clib_memcpy_fast (a->sep_ext.hostname, mp->hostname,
1135  mp->hostname_len);
1136  }
1137  a->api_context = mp->context;
1138  a->app_index = app->app_index;
1139  a->wrk_map_index = mp->wrk_index;
1140  if ((rv = vnet_connect (a)))
1141  clib_warning ("connect returned: %U", format_vnet_api_errno, rv);
1142  vec_free (a->sep_ext.hostname);
1143  }
1144  else
1145  {
1146  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
1147  }
1148 
1149  if (rv == 0)
1150  return;
1151 
1152  /* Got some error, relay it */
1153 
1154 done:
1155  REPLY_MACRO (VL_API_CONNECT_SOCK_REPLY);
1156 
1157  if (app)
1158  {
1159  app_worker_t *app_wrk = application_get_worker (app, mp->wrk_index);
1160  mq_send_session_connected_cb (app_wrk->wrk_index, mp->context, 0, 1);
1161  }
1162 }
1163 
1164 static void
1166 {
1167  int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1169  vl_api_registration_t *reg;
1170  application_t *app;
1171  u8 fd_flags = 0;
1172 
1173  if (session_main_is_enabled () == 0)
1174  {
1175  rv = VNET_API_ERROR_FEATURE_DISABLED;
1176  goto done;
1177  }
1178 
1180  if (!reg)
1181  return;
1182 
1183  app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
1184  if (!app)
1185  {
1186  rv = VNET_API_ERROR_INVALID_VALUE;
1187  goto done;
1188  }
1189 
1191  .app_index = app->app_index,
1192  .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
1193  .api_client_index = mp->client_index,
1194  .is_add = mp->is_add
1195  };
1196  rv = vnet_app_worker_add_del (&args);
1197  if (rv)
1198  {
1199  clib_warning ("app worker add/del returned: %d", rv);
1200  goto done;
1201  }
1202 
1203  if (!mp->is_add)
1204  goto done;
1205 
1206  /* Send fifo segment fd if needed */
1207  if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1208  {
1209  fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1210  fds[n_fds] = args.segment->fd;
1211  n_fds += 1;
1212  }
1213  if (application_segment_manager_properties (app)->use_mq_eventfd)
1214  {
1215  fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1216  fds[n_fds] = svm_msg_q_get_producer_eventfd (args.evt_q);
1217  n_fds += 1;
1218  }
1219 
1220  /* *INDENT-OFF* */
1221 done:
1222  REPLY_MACRO2 (VL_API_APP_WORKER_ADD_DEL_REPLY, ({
1223  rmp->is_add = mp->is_add;
1224  rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
1225  rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
1226  if (!rv && mp->is_add)
1227  {
1228  if (vec_len (args.segment->name))
1229  {
1230  memcpy (rmp->segment_name, args.segment->name,
1231  vec_len (args.segment->name));
1232  rmp->segment_name_length = vec_len (args.segment->name);
1233  }
1234  rmp->app_event_queue_address = pointer_to_uword (args.evt_q);
1235  rmp->n_fds = n_fds;
1236  rmp->fd_flags = fd_flags;
1237  }
1238  }));
1239  /* *INDENT-ON* */
1240 
1241  if (n_fds)
1242  session_send_fds (reg, fds, n_fds);
1243 }
1244 
1245 static void
1247 {
1249  u32 appns_index = 0;
1250  u8 *ns_id = 0;
1251  int rv = 0;
1252  if (session_main_is_enabled () == 0)
1253  {
1254  rv = VNET_API_ERROR_FEATURE_DISABLED;
1255  goto done;
1256  }
1257 
1258  if (mp->namespace_id_len > ARRAY_LEN (mp->namespace_id))
1259  {
1260  rv = VNET_API_ERROR_INVALID_VALUE;
1261  goto done;
1262  }
1263 
1264  vec_validate (ns_id, mp->namespace_id_len - 1);
1267  .ns_id = ns_id,
1268  .secret = clib_net_to_host_u64 (mp->secret),
1269  .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
1270  .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
1271  .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
1272  .is_add = 1
1273  };
1274  rv = vnet_app_namespace_add_del (&args);
1275  if (!rv)
1276  {
1277  appns_index = app_namespace_index_from_id (ns_id);
1278  if (appns_index == APP_NAMESPACE_INVALID_INDEX)
1279  {
1280  clib_warning ("app ns lookup failed");
1281  rv = VNET_API_ERROR_UNSPECIFIED;
1282  }
1283  }
1284  vec_free (ns_id);
1285 
1286  /* *INDENT-OFF* */
1287 done:
1288  REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
1289  if (!rv)
1290  rmp->appns_index = clib_host_to_net_u32 (appns_index);
1291  }));
1292  /* *INDENT-ON* */
1293 }
1294 
1295 static void
1297 {
1298  vl_api_session_rule_add_del_reply_t *rmp;
1300  session_rule_table_add_del_args_t *table_args = &args.table_args;
1301  u8 fib_proto;
1302  int rv = 0;
1303 
1304  clib_memset (&args, 0, sizeof (args));
1305  fib_proto = mp->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
1306 
1307  table_args->lcl.fp_len = mp->lcl_plen;
1308  table_args->lcl.fp_proto = fib_proto;
1309  table_args->rmt.fp_len = mp->rmt_plen;
1310  table_args->rmt.fp_proto = fib_proto;
1311  table_args->lcl_port = mp->lcl_port;
1312  table_args->rmt_port = mp->rmt_port;
1313  table_args->action_index = clib_net_to_host_u32 (mp->action_index);
1314  table_args->is_add = mp->is_add;
1315  mp->tag[sizeof (mp->tag) - 1] = 0;
1316  table_args->tag = format (0, "%s", mp->tag);
1317  args.appns_index = clib_net_to_host_u32 (mp->appns_index);
1318  args.scope = mp->scope;
1319  args.transport_proto = mp->transport_proto;
1320 
1321  clib_memset (&table_args->lcl.fp_addr, 0, sizeof (table_args->lcl.fp_addr));
1322  clib_memset (&table_args->rmt.fp_addr, 0, sizeof (table_args->rmt.fp_addr));
1323  ip_set (&table_args->lcl.fp_addr, mp->lcl_ip, mp->is_ip4);
1324  ip_set (&table_args->rmt.fp_addr, mp->rmt_ip, mp->is_ip4);
1325  rv = vnet_session_rule_add_del (&args);
1326  if (rv)
1327  clib_warning ("rule add del returned: %d", rv);
1328  vec_free (table_args->tag);
1329  REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
1330 }
1331 
1332 static void
1333 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
1334  u8 transport_proto, u32 appns_index, u8 * tag,
1335  vl_api_registration_t * reg, u32 context)
1336 {
1338  session_mask_or_match_4_t *match =
1339  (session_mask_or_match_4_t *) & rule->match;
1340  session_mask_or_match_4_t *mask =
1341  (session_mask_or_match_4_t *) & rule->mask;
1342 
1343  rmp = vl_msg_api_alloc (sizeof (*rmp));
1344  clib_memset (rmp, 0, sizeof (*rmp));
1345  rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
1346  rmp->context = context;
1347 
1348  rmp->is_ip4 = 1;
1349  clib_memcpy_fast (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip));
1350  clib_memcpy_fast (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip));
1351  rmp->lcl_plen = ip4_mask_to_preflen (&mask->lcl_ip);
1352  rmp->rmt_plen = ip4_mask_to_preflen (&mask->rmt_ip);
1353  rmp->lcl_port = match->lcl_port;
1354  rmp->rmt_port = match->rmt_port;
1355  rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1356  rmp->scope =
1358  rmp->transport_proto = transport_proto;
1359  rmp->appns_index = clib_host_to_net_u32 (appns_index);
1360  if (tag)
1361  {
1362  clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1363  rmp->tag[vec_len (tag)] = 0;
1364  }
1365 
1366  vl_api_send_msg (reg, (u8 *) rmp);
1367 }
1368 
1369 static void
1370 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
1371  u8 transport_proto, u32 appns_index, u8 * tag,
1372  vl_api_registration_t * reg, u32 context)
1373 {
1375  session_mask_or_match_6_t *match =
1376  (session_mask_or_match_6_t *) & rule->match;
1377  session_mask_or_match_6_t *mask =
1378  (session_mask_or_match_6_t *) & rule->mask;
1379 
1380  rmp = vl_msg_api_alloc (sizeof (*rmp));
1381  clib_memset (rmp, 0, sizeof (*rmp));
1382  rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
1383  rmp->context = context;
1384 
1385  rmp->is_ip4 = 0;
1386  clib_memcpy_fast (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip));
1387  clib_memcpy_fast (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip));
1388  rmp->lcl_plen = ip6_mask_to_preflen (&mask->lcl_ip);
1389  rmp->rmt_plen = ip6_mask_to_preflen (&mask->rmt_ip);
1390  rmp->lcl_port = match->lcl_port;
1391  rmp->rmt_port = match->rmt_port;
1392  rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1393  rmp->scope =
1395  rmp->transport_proto = transport_proto;
1396  rmp->appns_index = clib_host_to_net_u32 (appns_index);
1397  if (tag)
1398  {
1399  clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1400  rmp->tag[vec_len (tag)] = 0;
1401  }
1402 
1403  vl_api_send_msg (reg, (u8 *) rmp);
1404 }
1405 
1406 static void
1408  u8 tp, u8 is_local, u32 appns_index,
1409  vl_api_registration_t * reg, u32 context)
1410 {
1411  mma_rule_16_t *rule16;
1412  mma_rule_40_t *rule40;
1413  mma_rules_table_16_t *srt16;
1414  mma_rules_table_40_t *srt40;
1415  u32 ri;
1416 
1417  if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1418  {
1419  u8 *tag = 0;
1420  /* *INDENT-OFF* */
1421  srt16 = &srt->session_rules_tables_16;
1422  pool_foreach (rule16, srt16->rules, ({
1423  ri = mma_rules_table_rule_index_16 (srt16, rule16);
1424  tag = session_rules_table_rule_tag (srt, ri, 1);
1425  send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1426  reg, context);
1427  }));
1428  /* *INDENT-ON* */
1429  }
1430  if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1431  {
1432  u8 *tag = 0;
1433  /* *INDENT-OFF* */
1434  srt40 = &srt->session_rules_tables_40;
1435  pool_foreach (rule40, srt40->rules, ({
1436  ri = mma_rules_table_rule_index_40 (srt40, rule40);
1437  tag = session_rules_table_rule_tag (srt, ri, 1);
1438  send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1439  reg, context);
1440  }));
1441  /* *INDENT-ON* */
1442  }
1443 }
1444 
1445 static void
1447 {
1448  vl_api_registration_t *reg;
1449  session_table_t *st;
1450  u8 tp;
1451 
1453  if (!reg)
1454  return;
1455 
1456  /* *INDENT-OFF* */
1457  session_table_foreach (st, ({
1458  for (tp = 0; tp < TRANSPORT_N_PROTO; tp++)
1459  {
1460  send_session_rules_table_details (&st->session_rules[tp],
1461  st->active_fib_proto, tp,
1462  st->is_local, st->appns_index, reg,
1463  mp->context);
1464  }
1465  }));
1466  /* *INDENT-ON* */
1467 }
1468 
1469 static void
1471 {
1474  u32 certkey_len, key_len, cert_len;
1475  int rv = 0;
1476  if (session_main_is_enabled () == 0)
1477  {
1478  rv = VNET_API_ERROR_FEATURE_DISABLED;
1479  goto done;
1480  }
1481 
1482  cert_len = clib_net_to_host_u16 (mp->cert_len);
1483  if (cert_len > 10000)
1484  {
1485  rv = VNET_API_ERROR_INVALID_VALUE;
1486  goto done;
1487  }
1488 
1489  certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1490  if (certkey_len < cert_len)
1491  {
1492  rv = VNET_API_ERROR_INVALID_VALUE;
1493  goto done;
1494  }
1495 
1496  key_len = certkey_len - cert_len;
1497  if (key_len > 10000)
1498  {
1499  rv = VNET_API_ERROR_INVALID_VALUE;
1500  goto done;
1501  }
1502 
1503  clib_memset (a, 0, sizeof (*a));
1504  vec_validate (a->cert, cert_len);
1505  vec_validate (a->key, key_len);
1506  clib_memcpy_fast (a->cert, mp->certkey, cert_len);
1507  clib_memcpy_fast (a->key, mp->certkey + cert_len, key_len);
1508  rv = vnet_app_add_cert_key_pair (a);
1509  vec_free (a->cert);
1510  vec_free (a->key);
1511 
1512 done:
1513  /* *INDENT-OFF* */
1514  REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1515  if (!rv)
1516  rmp->index = clib_host_to_net_u32 (a->index);
1517  }));
1518  /* *INDENT-ON* */
1519 }
1520 
1521 static void
1523 {
1524  vl_api_app_del_cert_key_pair_reply_t *rmp;
1525  u32 ckpair_index;
1526  int rv = 0;
1527  if (session_main_is_enabled () == 0)
1528  {
1529  rv = VNET_API_ERROR_FEATURE_DISABLED;
1530  goto done;
1531  }
1532  ckpair_index = clib_net_to_host_u32 (mp->index);
1533  rv = vnet_app_del_cert_key_pair (ckpair_index);
1534 
1535 done:
1536  REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1537 }
1538 
1539 /* ### WILL BE DEPRECATED POST 20.01 ### */
1540 static void
1542  mp)
1543 {
1544  vl_api_application_tls_cert_add_reply_t *rmp;
1545  app_cert_key_pair_t *ckpair;
1546  application_t *app;
1547  u32 cert_len;
1548  int rv = 0;
1549  if (session_main_is_enabled () == 0)
1550  {
1551  rv = VNET_API_ERROR_FEATURE_DISABLED;
1552  goto done;
1553  }
1554  if (!(app = application_lookup (mp->client_index)))
1555  {
1556  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
1557  goto done;
1558  }
1559  cert_len = clib_net_to_host_u16 (mp->cert_len);
1560  if (cert_len > 10000)
1561  {
1562  rv = VNET_API_ERROR_INVALID_VALUE;
1563  goto done;
1564  }
1565  ckpair = app_cert_key_pair_get_default ();
1566  vec_validate (ckpair->cert, cert_len);
1567  clib_memcpy_fast (ckpair->cert, mp->cert, cert_len);
1568 
1569 done:
1570  REPLY_MACRO (VL_API_APPLICATION_TLS_CERT_ADD_REPLY);
1571 }
1572 
1573 /* ### WILL BE DEPRECATED POST 20.01 ### */
1574 static void
1576  mp)
1577 {
1578  vl_api_application_tls_key_add_reply_t *rmp;
1579  app_cert_key_pair_t *ckpair;
1580  application_t *app;
1581  u32 key_len;
1582  int rv = 0;
1583  if (session_main_is_enabled () == 0)
1584  {
1585  rv = VNET_API_ERROR_FEATURE_DISABLED;
1586  goto done;
1587  }
1588  if (!(app = application_lookup (mp->client_index)))
1589  {
1590  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
1591  goto done;
1592  }
1593  key_len = clib_net_to_host_u16 (mp->key_len);
1594  if (key_len > 10000)
1595  {
1596  rv = VNET_API_ERROR_INVALID_VALUE;
1597  goto done;
1598  }
1599  ckpair = app_cert_key_pair_get_default ();
1600  vec_validate (ckpair->key, key_len);
1601  clib_memcpy_fast (ckpair->key, mp->key, key_len);
1602 done:
1603  REPLY_MACRO (VL_API_APPLICATION_TLS_KEY_ADD_REPLY);
1604 }
1605 
1606 static clib_error_t *
1608 {
1609  application_t *app = application_lookup (client_index);
1610  vnet_app_detach_args_t _a, *a = &_a;
1611  if (app)
1612  {
1613  a->app_index = app->app_index;
1614  a->api_client_index = client_index;
1616  }
1617  return 0;
1618 }
1619 
1621 
1622 #define vl_msg_name_crc_list
1623 #include <vnet/vnet_all_api_h.h>
1624 #undef vl_msg_name_crc_list
1625 
1626 static void
1628 {
1629 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1630  foreach_vl_msg_name_crc_session;
1631 #undef _
1632 }
1633 
1634 /*
1635  * session_api_hookup
1636  * Add uri's API message handlers to the table.
1637  * vlib has already mapped shared memory and
1638  * added the client registration handlers.
1639  * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
1640  */
1641 static clib_error_t *
1643 {
1644  api_main_t *am = vlibapi_get_main ();
1645 
1646 #define _(N,n) \
1647  vl_msg_api_set_handlers(VL_API_##N, #n, \
1648  vl_api_##n##_t_handler, \
1649  vl_noop_handler, \
1650  vl_api_##n##_t_endian, \
1651  vl_api_##n##_t_print, \
1652  sizeof(vl_api_##n##_t), 1);
1654 #undef _
1655 
1656  /*
1657  * Messages which bounce off the data-plane to
1658  * an API client. Simply tells the message handling infra not
1659  * to free the message.
1660  *
1661  * Bounced message handlers MUST NOT block the data plane
1662  */
1663  am->message_bounce[VL_API_CONNECT_URI] = 1;
1664  am->message_bounce[VL_API_CONNECT_SOCK] = 1;
1665 
1666  /*
1667  * Set up the (msg_name, crc, message-id) table
1668  */
1670 
1671  return 0;
1672 }
1673 
1675 
1676 /*
1677  * fd.io coding-style-patch-verification: ON
1678  *
1679  * Local Variables:
1680  * eval: (c-set-style "gnu")
1681  * End:
1682  */
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:440
static void vl_api_disconnect_session_reply_t_handler(vl_api_disconnect_session_reply_t *mp)
Definition: session_api.c:976
struct _vnet_app_worker_add_del_args vnet_app_worker_add_del_args_t
#define ENDPOINT_INVALID_INDEX
#define APP_NAMESPACE_INVALID_INDEX
static clib_error_t * session_api_hookup(vlib_main_t *vm)
Definition: session_api.c:1642
void * svm_msg_q_msg_data(svm_msg_q_t *mq, svm_msg_q_msg_t *msg)
Get data for message in queue.
session_type_t session_type
Type built from transport and network protocol types.
static void vl_api_app_del_cert_key_pair_t_handler(vl_api_app_del_cert_key_pair_t *mp)
Definition: session_api.c:1522
static int send_del_segment_callback(u32 api_client_index, u64 segment_handle)
Definition: session_api.c:136
app_cert_key_pair_t * app_cert_key_pair_get_default()
Definition: application.c:1687
void mq_send_unlisten_reply(app_worker_t *app_wrk, session_handle_t sh, u32 context, int rv)
Definition: session_api.c:448
int vnet_app_add_cert_key_pair(vnet_app_add_cert_key_pair_args_t *a)
Definition: application.c:1694
static void mq_notify_close_subscribers(u32 app_index, session_handle_t sh, svm_fifo_t *f, session_evt_type_t evt_type)
Definition: session_api.c:261
Add certificate and key.
Definition: session.api:132
transport_endpoint_t rmt
a
Definition: bitmap.h:538
VL_MSG_API_REAPER_FUNCTION(application_reaper_cb)
uword ssvm_size
Definition: ssvm.h:85
svm_fifo_t * tx_fifo
struct _session_rules_table_t session_rules_table_t
struct _vnet_connect_args vnet_connect_args_t
Application add TLS key WILL BE DEPRECATED POST 20.01
Definition: session.api:171
struct _vnet_unlisten_args_t vnet_unlisten_args_t
static void vl_api_app_namespace_add_del_t_handler(vl_api_app_namespace_add_del_t *mp)
Definition: session_api.c:1246
int vnet_app_namespace_add_del(vnet_app_namespace_add_del_args_t *a)
unsigned long u64
Definition: types.h:89
static svm_msg_q_t * session_main_get_vpp_event_queue(u32 thread_index)
Definition: session.h:607
void ip_set(ip46_address_t *dst, void *src, u8 is_ip4)
Definition: ip.c:90
#define clib_memcpy_fast(a, b, c)
Definition: string.h:81
static void mq_send_session_close_evt(app_worker_t *app_wrk, session_handle_t sh, session_evt_type_t evt_type)
Definition: session_api.c:240
#define REPLY_MACRO2(t, body)
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
transport_connection_t * session_get_transport(session_t *s)
Definition: session.c:1461
add/del session rule
Definition: session.api:504
svm_fifo_t * rx_fifo
Pointers to rx/tx buffers.
static void vl_api_send_msg(vl_api_registration_t *rp, u8 *elem)
Definition: api.h:35
u8 * message_bounce
Don&#39;t automatically free message buffer vetor.
Definition: api_common.h:245
fifo_segment_t * segment_manager_get_segment_w_handle(u64 segment_handle)
Session rules details.
Definition: session.api:548
static session_t * listen_session_get_from_handle(session_handle_t handle)
Definition: session.h:546
int vnet_app_del_cert_key_pair(u32 index)
Definition: application.c:1715
static void vl_api_map_another_segment_reply_t_handler(vl_api_map_another_segment_reply_t *mp)
Definition: session_api.c:1001
Bind to an ip:port pair for a given transport protocol WILL BE DEPRECATED POST 20.01
Definition: session.api:310
static int svm_msg_q_get_producer_eventfd(svm_msg_q_t *mq)
session_evt_type_t
static transport_proto_t session_get_transport_proto(session_t *s)
struct _vnet_app_namespace_add_del_args vnet_app_namespace_add_del_args_t
application_t * application_lookup(u32 api_client_index)
Definition: application.c:394
static int mq_send_del_segment_cb(u32 app_wrk_index, u64 segment_handle)
Definition: session_api.c:539
int i
Request for map server summary status.
Definition: one.api:883
static void vl_api_unbind_sock_t_handler(vl_api_unbind_sock_t *mp)
Definition: session_api.c:1059
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
int vnet_unlisten(vnet_unlisten_args_t *a)
Definition: application.c:1045
#define foreach_session_api_msg
Definition: session_api.c:43
u32 flags
Session flags.
void * vl_msg_api_alloc(int nbytes)
unsigned char u8
Definition: types.h:56
app_worker_t * application_get_worker(application_t *app, u32 wrk_map_index)
Definition: application.c:650
application_t * application_get_if_valid(u32 app_index)
Definition: application.c:434
struct _vnet_bind_args_t vnet_listen_args_t
segment_manager_props_t * application_segment_manager_properties(application_t *app)
Definition: application.c:1299
static session_handle_t session_handle(session_t *s)
struct _svm_fifo svm_fifo_t
void session_get_endpoint(session_t *s, transport_endpoint_t *tep, u8 is_lcl)
Definition: session.c:1472
int svm_msg_q_lock_and_alloc_msg_w_ring(svm_msg_q_t *mq, u32 ring_index, u8 noblock, svm_msg_q_msg_t *msg)
Lock message queue and allocate message buffer on ring.
Reply for app worker add/del.
Definition: session.api:422
int application_is_proxy(application_t *app)
Definition: application.c:1129
static void vl_api_connect_uri_t_handler(vl_api_connect_uri_t *mp)
Definition: session_api.c:903
static void mq_send_session_reset_cb(session_t *s)
Definition: session_api.c:295
static void vl_api_session_enable_disable_t_handler(vl_api_session_enable_disable_t *mp)
Definition: session_api.c:593
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:498
struct _vnet_disconnect_args_t vnet_disconnect_args_t
Application attach reply.
Definition: session.api:96
u32 session_index
global listening session index
Definition: application.h:80
vl_api_registration_t * vl_mem_api_client_index_to_registration(u32 handle)
Definition: memory_api.c:767
add/del application namespace
Definition: session.api:462
static void vl_api_application_tls_cert_add_t_handler(vl_api_application_tls_cert_add_t *mp)
Definition: session_api.c:1541
unsigned int u32
Definition: types.h:88
static void send_session_rule_details4(mma_rule_16_t *rule, u8 is_local, u8 transport_proto, u32 appns_index, u8 *tag, vl_api_registration_t *reg, u32 context)
Definition: session_api.c:1333
u32 app_namespace_index_from_id(const u8 *ns_id)
void vl_msg_api_send_shmem(svm_queue_t *q, u8 *elem)
struct _vnet_app_attach_args_t vnet_app_attach_args_t
static void vl_api_app_worker_add_del_t_handler(vl_api_app_worker_add_del_t *mp)
Definition: session_api.c:1165
vpp->client unmap shared memory segment WILL BE DEPRECATED POST 20.01
Definition: session.api:216
static void vl_api_session_rules_dump_t_handler(vl_api_one_map_server_dump_t *mp)
Definition: session_api.c:1446
Unbind WILL BE DEPRECATED POST 20.01 ###s
Definition: session.api:329
session_t * app_listener_get_local_session(app_listener_t *al)
Definition: application.c:289
#define VL_API_INVALID_FI
Definition: api_common.h:77
svm_queue_t * vl_input_queue
shared memory only: pointer to client input queue
Definition: api_common.h:61
session_t * app_listener_get_session(app_listener_t *al)
Definition: application.c:280
struct _session_rule_add_del_args session_rule_add_del_args_t
static session_cb_vft_t session_mq_cb_vft_old
Definition: session_api.c:572
client->vpp, attach application to session layer WILL BE DEPRECATED POST 20.01
Definition: session.api:28
u8 hostname[hostname_len]
Definition: session.api:367
static void vl_api_disconnect_session_t_handler(vl_api_disconnect_session_t *mp)
Definition: session_api.c:945
static int session_send_fds(vl_api_registration_t *reg, int fds[], int n_fds)
Definition: session_api.c:67
int vnet_session_rule_add_del(session_rule_add_del_args_t *args)
#define REPLY_MACRO(t)
static clib_error_t * application_reaper_cb(u32 client_index)
Definition: session_api.c:1607
Unbind a given URI WILL BE DEPRECATED POST 20.01
Definition: session.api:246
u32 wrk_index
Worker index in global worker pool.
Definition: application.h:37
#define SESSION_INVALID_INDEX
Definition: session_types.h:22
static u8 * format_vnet_api_errno(u8 *s, va_list *args)
Definition: api_errno.h:168
u64 session_segment_handle(session_t *s)
Definition: session.c:1403
vlib_main_t * vm
Definition: in2out_ed.c:1810
clib_error_t * vnet_session_enable_disable(vlib_main_t *vm, u8 is_en)
Definition: session.c:1606
session_handle_t app_listen_session_handle(session_t *ls)
Get app listener handle for listening session.
Definition: application.c:78
static u64 listen_session_get_handle(session_t *s)
Definition: session.h:538
u32 ip6_mask_to_preflen(ip6_address_t *mask)
Definition: ip.c:268
API main structure, used by both vpp and binary API clients.
Definition: api_common.h:225
int vnet_application_attach(vnet_app_attach_args_t *a)
Attach application to vpp.
Definition: application.c:815
static int mq_try_lock_and_alloc_msg(svm_msg_q_t *app_mq, svm_msg_q_msg_t *msg)
Definition: session_api.c:158
An API client registration, only in vpp/vlib.
Definition: api_common.h:46
Add certificate and key.
Definition: session.api:119
ssvm_private_t ssvm
ssvm segment data
Definition: fifo_segment.h:63
session_handle_t listener_handle
Parent listener session index if the result of an accept.
session_t * app_worker_first_listener(app_worker_t *app, u8 fib_proto, u8 transport_proto)
svm_queue_t * vl_api_client_index_to_input_queue(u32 index)
Definition: memory_api.c:796
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:342
#define clib_warning(format, args...)
Definition: error.h:59
struct _transport_connection transport_connection_t
static void mq_send_session_disconnected_cb(session_t *s)
Definition: session_api.c:281
u32 ip4_mask_to_preflen(ip4_address_t *mask)
Definition: ip.c:206
static void send_session_rules_table_details(session_rules_table_t *srt, u8 fib_proto, u8 tp, u8 is_local, u32 appns_index, vl_api_registration_t *reg, u32 context)
Definition: session_api.c:1407
#define ARRAY_LEN(x)
Definition: clib.h:62
static vl_api_registration_t * vl_api_client_index_to_registration(u32 index)
Definition: api.h:57
Application attach reply WILL BE DEPRECATED POST 20.01
Definition: session.api:52
static clib_error_t * vl_api_send_fd_msg(vl_api_registration_t *reg, int fds[], int n_fds)
Definition: api.h:85
static u32 vl_api_registration_file_index(vl_api_registration_t *reg)
Definition: api.h:65
application_t * application_get(u32 app_index)
Definition: application.c:426
int vnet_unbind_uri(vnet_unlisten_args_t *a)
static void send_session_rule_details6(mma_rule_40_t *rule, u8 is_local, u8 transport_proto, u32 appns_index, u8 *tag, vl_api_registration_t *reg, u32 context)
Definition: session_api.c:1370
int fd
memfd segments
Definition: ssvm.h:93
app_listener_t * app_listener_get_w_handle(session_handle_t handle)
Get app listener for listener session handle.
Definition: application.c:88
void svm_msg_q_add_and_unlock(svm_msg_q_t *mq, svm_msg_q_msg_t *msg)
Producer enqueue one message to queue with mutex held.
enable/disable session layer
Definition: session.api:442
static void vl_api_connect_sock_t_handler(vl_api_connect_sock_t *mp)
Definition: session_api.c:1102
session_t * ct_session_get_peer(session_t *s)
Reply for app namespace add/del.
Definition: session.api:478
client->vpp, attach application to session layer WILL BE DEPRECATED POST 20.01
Definition: session.api:184
int vnet_listen(vnet_listen_args_t *a)
Definition: application.c:953
static fib_protocol_t session_get_fib_proto(session_t *s)
static void mq_send_session_migrate_cb(session_t *s, session_handle_t new_sh)
Definition: session_api.c:471
int vnet_application_detach(vnet_app_detach_args_t *a)
Detach application from vpp.
Definition: application.c:875
static void vl_api_bind_sock_t_handler(vl_api_bind_sock_t *mp)
Definition: session_api.c:1009
vpp->client, please map an additional shared memory segment WILL BE DEPRECATED POST 20...
Definition: session.api:200
#define clib_error_report(e)
Definition: error.h:113
struct _vnet_app_add_cert_key_pair_args_ vnet_app_add_cert_key_pair_args_t
static int mq_send_session_accepted_cb(session_t *s)
Definition: session_api.c:177
static void vl_api_app_attach_t_handler(vl_api_app_attach_t *mp)
Definition: session_api.c:702
struct _vnet_app_detach_args_t vnet_app_detach_args_t
static uword pointer_to_uword(const void *p)
Definition: types.h:131
int vnet_connect(vnet_connect_args_t *a)
Definition: application.c:1007
Connect to a remote peer WILL BE DEPRECATED POST 20.01
Definition: session.api:354
static void vl_api_app_add_cert_key_pair_t_handler(vl_api_app_add_cert_key_pair_t *mp)
Definition: session_api.c:1470
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
u8 * name
Definition: ssvm.h:87
u8 thread_index
Index of the thread that allocated the session.
static void vl_api_application_attach_t_handler(vl_api_application_attach_t *mp)
Definition: session_api.c:605
static void setup_message_id_table(api_main_t *am)
Definition: session_api.c:1627
u32 app_index
App index in app pool.
Definition: application.h:89
static u8 session_type_is_ip4(session_type_t st)
bidirectional disconnect API WILL BE DEPRECATED POST 20.01
Definition: session.api:278
static session_cb_vft_t session_mq_cb_vft
Definition: session_api.c:582
add/del application worker
Definition: session.api:401
app_worker_t * app_worker_get(u32 wrk_index)
u64 session_handle_t
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
Bind to a given URI WILL BE DEPRECATED POST 20.01
Definition: session.api:231
#define STATIC_ASSERT(truth,...)
static void vl_api_application_tls_key_add_t_handler(vl_api_application_tls_key_add_t *mp)
Definition: session_api.c:1575
int vnet_bind_uri(vnet_listen_args_t *a)
ssvm_private_t * session_main_get_evt_q_segment(void)
Definition: session.c:1394
connectionless service
int vnet_disconnect_session(vnet_disconnect_args_t *a)
Definition: application.c:1076
VLIB_API_INIT_FUNCTION(session_api_hookup)
struct _session_lookup_table session_table_t
int vnet_app_worker_add_del(vnet_app_worker_add_del_args_t *a)
Definition: application.c:723
struct _svm_queue svm_queue_t
void * vl_mem_api_alloc_as_if_client_w_reg(vl_api_registration_t *reg, int nbytes)
static void vl_api_application_detach_t_handler(vl_api_application_detach_t *mp)
Definition: session_api.c:803
static u8 session_has_transport(session_t *s)
struct _session_rules_table_add_del_args session_rule_table_add_del_args_t
u32 app_index
Index of owning app.
Definition: application.h:43
static api_main_t * vlibapi_get_main(void)
Definition: api_common.h:378
static u8 svm_fifo_n_subscribers(svm_fifo_t *f)
Definition: svm_fifo.h:681
#define session_table_foreach(VAR, BODY)
Definition: session_table.h:74
Application add TLS certificate WILL BE DEPRECATED POST 20.01
Definition: session.api:156
static u32 vlib_num_workers()
Definition: threads.h:372
static int send_add_segment_callback(u32 api_client_index, u64 segment_handle)
Definition: session_api.c:86
transport_endpoint_t lcl
u32 app_wrk_index
Index of the app worker that owns the session.
Connect to a given URI WILL BE DEPRECATED POST 20.01
Definition: session.api:263
static void vl_api_session_rule_add_del_t_handler(vl_api_session_rule_add_del_t *mp)
Definition: session_api.c:1296
int(* session_accept_callback)(session_t *new_session)
Notify server of newly accepted session.
bidirectional disconnect reply API WILL BE DEPRECATED POST 20.01
Definition: session.api:292
u32 api_client_index
API index for the worker.
Definition: application.h:63
int mq_send_session_bound_cb(u32 app_wrk_index, u32 api_context, session_handle_t handle, int rv)
Definition: session_api.c:388
int vnet_connect_uri(vnet_connect_args_t *a)
svm_msg_q_t * event_queue
Application listens for events on this svm queue.
Definition: application.h:46
static transport_service_type_t session_transport_service_type(session_t *s)
Application attach to session layer.
Definition: session.api:72
Delete certificate and key.
Definition: session.api:143
static void vl_api_bind_uri_t_handler(vl_api_bind_uri_t *mp)
Definition: session_api.c:830
static int mq_send_add_segment_cb(u32 app_wrk_index, u64 segment_handle)
Definition: session_api.c:477
int mq_send_session_connected_cb(u32 app_wrk_index, u32 api_context, session_t *s, u8 is_fail)
Definition: session_api.c:308
non-blocking call - works with both condvar and eventfd signaling
Definition: queue.h:44
static u8 session_main_is_enabled()
Definition: session.h:613
static void vl_api_unbind_uri_t_handler(vl_api_unbind_uri_t *mp)
Definition: session_api.c:871
ssvm_segment_type_t ssvm_type(const ssvm_private_t *ssvm)
Definition: ssvm.c:443