FD.io VPP  v19.04.4-rc0-5-ge88582fac
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 _(APPLICATION_DETACH, application_detach) \
47 _(BIND_URI, bind_uri) \
48 _(UNBIND_URI, unbind_uri) \
49 _(CONNECT_URI, connect_uri) \
50 _(DISCONNECT_SESSION, disconnect_session) \
51 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
52 _(BIND_SOCK, bind_sock) \
53 _(UNBIND_SOCK, unbind_sock) \
54 _(CONNECT_SOCK, connect_sock) \
55 _(SESSION_ENABLE_DISABLE, session_enable_disable) \
56 _(APP_NAMESPACE_ADD_DEL, app_namespace_add_del) \
57 _(SESSION_RULE_ADD_DEL, session_rule_add_del) \
58 _(SESSION_RULES_DUMP, session_rules_dump) \
59 _(APPLICATION_TLS_CERT_ADD, application_tls_cert_add) \
60 _(APPLICATION_TLS_KEY_ADD, application_tls_key_add) \
61 _(APP_WORKER_ADD_DEL, app_worker_add_del) \
62 
63 static int
64 session_send_fds (vl_api_registration_t * reg, int fds[], int n_fds)
65 {
66  clib_error_t *error;
68  {
69  clib_warning ("can't send memfd fd");
70  return -1;
71  }
72  error = vl_api_send_fd_msg (reg, fds, n_fds);
73  if (error)
74  {
75  clib_error_report (error);
76  return -1;
77  }
78  return 0;
79 }
80 
81 static int
82 send_add_segment_callback (u32 api_client_index, u64 segment_handle)
83 {
84  int fds[SESSION_N_FD_TYPE], n_fds = 0;
88  ssvm_private_t *sp;
89  u8 fd_flags = 0;
90 
91  reg = vl_mem_api_client_index_to_registration (api_client_index);
92  if (!reg)
93  {
94  clib_warning ("no api registration for client: %u", api_client_index);
95  return -1;
96  }
97 
98  fs = segment_manager_get_segment_w_handle (segment_handle);
99  sp = &fs->ssvm;
100  if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
101  {
103  {
104  clib_warning ("can't send memfd fd");
105  return -1;
106  }
107 
108  fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
109  fds[n_fds] = sp->fd;
110  n_fds += 1;
111  }
112 
113  mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp));
114  clib_memset (mp, 0, sizeof (*mp));
115  mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_MAP_ANOTHER_SEGMENT);
116  mp->segment_size = sp->ssvm_size;
117  mp->fd_flags = fd_flags;
118  mp->segment_handle = clib_host_to_net_u64 (segment_handle);
119  strncpy ((char *) mp->segment_name, (char *) sp->name,
120  sizeof (mp->segment_name) - 1);
121 
122  vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp);
123 
124  if (n_fds)
125  return session_send_fds (reg, fds, n_fds);
126 
127  return 0;
128 }
129 
130 static int
131 send_del_segment_callback (u32 api_client_index, u64 segment_handle)
132 {
135 
136  reg = vl_mem_api_client_index_to_registration (api_client_index);
137  if (!reg)
138  {
139  clib_warning ("no registration: %u", api_client_index);
140  return -1;
141  }
142 
143  mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp));
144  clib_memset (mp, 0, sizeof (*mp));
145  mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_UNMAP_SEGMENT);
146  mp->segment_handle = clib_host_to_net_u64 (segment_handle);
147  vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp);
148 
149  return 0;
150 }
151 
152 static int
154 {
155  int rv;
156  u8 try = 0;
157  while (try < 100)
158  {
161  SVM_Q_NOWAIT, msg);
162  if (!rv)
163  return 0;
164  try++;
165  usleep (1);
166  }
167  clib_warning ("failed to alloc msg");
168  return -1;
169 }
170 
171 static int
173 {
174  app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
175  svm_msg_q_msg_t _msg, *msg = &_msg;
176  svm_msg_q_t *vpp_queue, *app_mq;
180  session_event_t *evt;
181  application_t *app;
182  app_listener_t *al;
183 
184  app = application_get (app_wrk->app_index);
185  app_mq = app_wrk->event_queue;
186  if (mq_try_lock_and_alloc_msg (app_mq, msg))
187  return -1;
188 
189  evt = svm_msg_q_msg_data (app_mq, msg);
190  clib_memset (evt, 0, sizeof (*evt));
191  evt->event_type = SESSION_CTRL_EVT_ACCEPTED;
192  mp = (session_accepted_msg_t *) evt->data;
193  clib_memset (mp, 0, sizeof (*mp));
194  mp->context = app->app_index;
198 
199  if (session_has_transport (s))
200  {
201  listener = listen_session_get (s->listener_index);
202  al = app_listener_get (app, listener->al_index);
204  if (application_is_proxy (app))
205  {
206  listener =
209  if (listener)
211  }
213  mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
214  mp->handle = session_handle (s);
217  mp->port = tc->rmt_port;
218  mp->is_ip4 = tc->is_ip4;
219  clib_memcpy_fast (&mp->ip, &tc->rmt_ip, sizeof (tc->rmt_ip));
220  }
221  else
222  {
223  ct_connection_t *ct;
224 
226  listener = listen_session_get (s->listener_index);
227  al = app_listener_get (app, listener->al_index);
229  mp->is_ip4 = session_type_is_ip4 (listener->session_type);
230  mp->handle = session_handle (s);
231  mp->port = ct->c_rmt_port;
232  vpp_queue = session_main_get_vpp_event_queue (0);
233  mp->vpp_event_queue_address = pointer_to_uword (vpp_queue);
234  }
235  svm_msg_q_add_and_unlock (app_mq, msg);
236 
237  return 0;
238 }
239 
240 static inline void
242  session_evt_type_t evt_type)
243 {
244  svm_msg_q_msg_t _msg, *msg = &_msg;
246  svm_msg_q_t *app_mq;
247  session_event_t *evt;
248 
249  app_mq = app_wrk->event_queue;
250  if (mq_try_lock_and_alloc_msg (app_mq, msg))
251  return;
252  evt = svm_msg_q_msg_data (app_mq, msg);
253  clib_memset (evt, 0, sizeof (*evt));
254  evt->event_type = evt_type;
255  mp = (session_disconnected_msg_t *) evt->data;
256  mp->handle = sh;
257  mp->context = app_wrk->api_client_index;
258  svm_msg_q_add_and_unlock (app_mq, msg);
259 }
260 
261 static inline void
263  svm_fifo_t * f, session_evt_type_t evt_type)
264 {
265  app_worker_t *app_wrk;
266  application_t *app;
267  int i;
268 
269  app = application_get (app_index);
270  if (!app)
271  return;
272 
273  for (i = 0; i < f->n_subscribers; i++)
274  {
275  if (!(app_wrk = application_get_worker (app, f->subscribers[i])))
276  continue;
278  }
279 }
280 
281 static void
283 {
284  app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
286 
289 
293 }
294 
295 static void
297 {
298  app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
300 
302 
306 }
307 
308 static int
309 mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
310  session_t * s, u8 is_fail)
311 {
312  svm_msg_q_msg_t _msg, *msg = &_msg;
314  svm_msg_q_t *vpp_mq, *app_mq;
316  app_worker_t *app_wrk;
317  session_event_t *evt;
318 
319  app_wrk = app_worker_get (app_wrk_index);
320  app_mq = app_wrk->event_queue;
321  if (!app_mq)
322  {
323  clib_warning ("app %u with api index: %u not attached",
324  app_wrk->app_index, app_wrk->api_client_index);
325  return -1;
326  }
327 
328  if (mq_try_lock_and_alloc_msg (app_mq, msg))
329  return -1;
330 
331  evt = svm_msg_q_msg_data (app_mq, msg);
332  clib_memset (evt, 0, sizeof (*evt));
333  evt->event_type = SESSION_CTRL_EVT_CONNECTED;
334  mp = (session_connected_msg_t *) evt->data;
335  clib_memset (mp, 0, sizeof (*mp));
336  mp->context = api_context;
337 
338  if (is_fail)
339  goto done;
340 
341  if (session_has_transport (s))
342  {
343  tc = session_get_transport (s);
344  if (!tc)
345  {
346  is_fail = 1;
347  goto done;
348  }
349 
351  mp->handle = session_handle (s);
353  clib_memcpy_fast (mp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip));
354  mp->is_ip4 = tc->is_ip4;
355  mp->lcl_port = tc->lcl_port;
359  }
360  else
361  {
362  ct_connection_t *cct;
363  session_t *ss;
364 
366  mp->handle = session_handle (s);
367  mp->lcl_port = cct->c_lcl_port;
368  mp->is_ip4 = cct->c_is_ip4;
374  ss = ct_session_get_peer (s);
375  mp->ct_rx_fifo = pointer_to_uword (ss->tx_fifo);
376  mp->ct_tx_fifo = pointer_to_uword (ss->rx_fifo);
378  }
379 
380 done:
381  mp->retval = is_fail ?
382  clib_host_to_net_u32 (VNET_API_ERROR_SESSION_CONNECT) : 0;
383 
384  svm_msg_q_add_and_unlock (app_mq, msg);
385  return 0;
386 }
387 
388 static int
389 mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
390  session_handle_t handle, int rv)
391 {
392  svm_msg_q_msg_t _msg, *msg = &_msg;
393  svm_msg_q_t *app_mq, *vpp_evt_q;
396  app_worker_t *app_wrk;
397  session_event_t *evt;
398  app_listener_t *al;
399  session_t *ls = 0;
400 
401  app_wrk = app_worker_get (app_wrk_index);
402  app_mq = app_wrk->event_queue;
403  if (!app_mq)
404  {
405  clib_warning ("app %u with api index: %u not attached",
406  app_wrk->app_index, app_wrk->api_client_index);
407  return -1;
408  }
409 
410  if (mq_try_lock_and_alloc_msg (app_mq, msg))
411  return -1;
412 
413  evt = svm_msg_q_msg_data (app_mq, msg);
414  clib_memset (evt, 0, sizeof (*evt));
415  evt->event_type = SESSION_CTRL_EVT_BOUND;
416  mp = (session_bound_msg_t *) evt->data;
417  mp->context = api_context;
418 
419  if (rv)
420  goto done;
421 
422  mp->handle = handle;
423  al = app_listener_get_w_handle (handle);
425  ls = app_listener_get_session (al);
426  else
429  mp->lcl_port = tc->lcl_port;
430  mp->lcl_is_ip4 = tc->is_ip4;
431  clib_memcpy_fast (mp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip));
432 
433  vpp_evt_q = session_main_get_vpp_event_queue (0);
434  mp->vpp_evt_q = pointer_to_uword (vpp_evt_q);
435 
437  {
438  mp->rx_fifo = pointer_to_uword (ls->rx_fifo);
439  mp->tx_fifo = pointer_to_uword (ls->tx_fifo);
440  }
441 
442 done:
443  mp->retval = rv;
444  svm_msg_q_add_and_unlock (app_mq, msg);
445  return 0;
446 }
447 
449  .session_accept_callback = mq_send_session_accepted_cb,
450  .session_disconnect_callback = mq_send_session_disconnected_cb,
451  .session_connected_callback = mq_send_session_connected_cb,
452  .session_reset_callback = mq_send_session_reset_cb,
453  .add_segment_callback = send_add_segment_callback,
454  .del_segment_callback = send_del_segment_callback,
455 };
456 
457 static void
459 {
460  vl_api_session_enable_disable_reply_t *rmp;
462  int rv = 0;
463 
465  REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
466 }
467 
468 static void
470 {
471  int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
473  ssvm_private_t *segp, *evt_q_segment;
474  vnet_app_attach_args_t _a, *a = &_a;
476  u8 fd_flags = 0;
477 
479  if (!reg)
480  return;
481 
482  if (session_main_is_enabled () == 0)
483  {
484  rv = VNET_API_ERROR_FEATURE_DISABLED;
485  goto done;
486  }
487 
489  sizeof (mp->options),
490  "Out of options, fix api message definition");
491 
492  clib_memset (a, 0, sizeof (*a));
493  a->api_client_index = mp->client_index;
494  a->options = mp->options;
495  a->session_cb_vft = &session_mq_cb_vft;
496  if (mp->namespace_id_len > 64)
497  {
498  rv = VNET_API_ERROR_INVALID_VALUE;
499  goto done;
500  }
501 
502  if (mp->namespace_id_len)
503  {
504  vec_validate (a->namespace_id, mp->namespace_id_len - 1);
505  clib_memcpy_fast (a->namespace_id, mp->namespace_id,
506  mp->namespace_id_len);
507  }
508 
509  if ((rv = vnet_application_attach (a)))
510  {
511  clib_warning ("attach returned: %d", rv);
512  vec_free (a->namespace_id);
513  goto done;
514  }
515  vec_free (a->namespace_id);
516 
517  /* Send event queues segment */
518  if ((evt_q_segment = session_main_get_evt_q_segment ()))
519  {
520  fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
521  fds[n_fds] = evt_q_segment->fd;
522  n_fds += 1;
523  }
524  /* Send fifo segment fd if needed */
525  if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
526  {
527  fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
528  fds[n_fds] = a->segment->fd;
529  n_fds += 1;
530  }
531  if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
532  {
533  fd_flags |= SESSION_FD_F_MQ_EVENTFD;
534  fds[n_fds] = svm_msg_q_get_producer_eventfd (a->app_evt_q);
535  n_fds += 1;
536  }
537 
538 done:
539 
540  /* *INDENT-OFF* */
541  REPLY_MACRO2 (VL_API_APPLICATION_ATTACH_REPLY, ({
542  if (!rv)
543  {
544  segp = a->segment;
545  rmp->app_index = clib_host_to_net_u32 (a->app_index);
546  rmp->segment_name_length = 0;
547  rmp->segment_size = segp->ssvm_size;
548  if (vec_len (segp->name))
549  {
550  memcpy (rmp->segment_name, segp->name, vec_len (segp->name));
551  rmp->segment_name_length = vec_len (segp->name);
552  }
553  rmp->app_event_queue_address = pointer_to_uword (a->app_evt_q);
554  rmp->n_fds = n_fds;
555  rmp->fd_flags = fd_flags;
556  rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
557  }
558  }));
559  /* *INDENT-ON* */
560 
561  if (n_fds)
562  session_send_fds (reg, fds, n_fds);
563 }
564 
565 static void
567 {
568  vl_api_application_detach_reply_t *rmp;
569  int rv = VNET_API_ERROR_INVALID_VALUE_2;
570  vnet_app_detach_args_t _a, *a = &_a;
571  application_t *app;
572 
573  if (session_main_is_enabled () == 0)
574  {
575  rv = VNET_API_ERROR_FEATURE_DISABLED;
576  goto done;
577  }
578 
579  app = application_lookup (mp->client_index);
580  if (app)
581  {
582  a->app_index = app->app_index;
583  a->api_client_index = mp->client_index;
584  rv = vnet_application_detach (a);
585  }
586 
587 done:
588  REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
589 }
590 
591 static void
593 {
594  vl_api_bind_uri_reply_t *rmp;
595  vnet_listen_args_t _a, *a = &_a;
596  application_t *app = 0;
597  app_worker_t *app_wrk;
598  int rv;
599 
600  if (session_main_is_enabled () == 0)
601  {
602  rv = VNET_API_ERROR_FEATURE_DISABLED;
603  goto done;
604  }
605 
606  app = application_lookup (mp->client_index);
607  if (app)
608  {
609  clib_memset (a, 0, sizeof (*a));
610  a->uri = (char *) mp->uri;
611  a->app_index = app->app_index;
612  rv = vnet_bind_uri (a);
613  }
614  else
615  {
616  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
617  }
618 
619 done:
620 
621  REPLY_MACRO (VL_API_BIND_URI_REPLY);
622 
623  if (app)
624  {
625  app_wrk = application_get_worker (app, 0);
626  mq_send_session_bound_cb (app_wrk->wrk_index, mp->context, a->handle,
627  rv);
628  }
629 }
630 
631 static void
633 {
634  vl_api_unbind_uri_reply_t *rmp;
635  application_t *app;
636  vnet_unlisten_args_t _a, *a = &_a;
637  int rv;
638 
639  if (session_main_is_enabled () == 0)
640  {
641  rv = VNET_API_ERROR_FEATURE_DISABLED;
642  goto done;
643  }
644 
645  app = application_lookup (mp->client_index);
646  if (app)
647  {
648  a->uri = (char *) mp->uri;
649  a->app_index = app->app_index;
650  rv = vnet_unbind_uri (a);
651  }
652  else
653  {
654  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
655  }
656 
657 done:
658  REPLY_MACRO (VL_API_UNBIND_URI_REPLY);
659 }
660 
661 static void
663 {
664  vl_api_connect_uri_reply_t *rmp;
665  vnet_connect_args_t _a, *a = &_a;
666  application_t *app;
667  int rv = 0;
668 
669  if (session_main_is_enabled () == 0)
670  {
671  rv = VNET_API_ERROR_FEATURE_DISABLED;
672  goto done;
673  }
674 
675  app = application_lookup (mp->client_index);
676  if (app)
677  {
678  clib_memset (a, 0, sizeof (*a));
679  a->uri = (char *) mp->uri;
680  a->api_context = mp->context;
681  a->app_index = app->app_index;
682  if ((rv = vnet_connect_uri (a)))
683  clib_warning ("connect_uri returned: %d", rv);
684  }
685  else
686  {
687  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
688  }
689 
690  /*
691  * Don't reply to stream (tcp) connects. The reply will come once
692  * the connection is established. In case of the redirects, the reply
693  * will come from the server app.
694  */
695  if (rv == 0)
696  return;
697 
698 done:
699  REPLY_MACRO (VL_API_CONNECT_URI_REPLY);
700 }
701 
702 static void
704 {
706  vnet_disconnect_args_t _a, *a = &_a;
707  application_t *app;
708  int rv = 0;
709 
710  if (session_main_is_enabled () == 0)
711  {
712  rv = VNET_API_ERROR_FEATURE_DISABLED;
713  goto done;
714  }
715 
716  app = application_lookup (mp->client_index);
717  if (app)
718  {
719  a->handle = mp->handle;
720  a->app_index = app->app_index;
721  rv = vnet_disconnect_session (a);
722  }
723  else
724  {
725  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
726  }
727 
728 done:
729  REPLY_MACRO2 (VL_API_DISCONNECT_SESSION_REPLY, rmp->handle = mp->handle);
730 }
731 
732 static void
734  mp)
735 {
736  vnet_disconnect_args_t _a, *a = &_a;
737  application_t *app;
738 
739  /* Client objected to disconnecting the session, log and continue */
740  if (mp->retval)
741  {
742  clib_warning ("client retval %d", mp->retval);
743  return;
744  }
745 
746  /* Disconnect has been confirmed. Confirm close to transport */
747  app = application_lookup (mp->context);
748  if (app)
749  {
750  a->handle = mp->handle;
751  a->app_index = app->app_index;
753  }
754 }
755 
756 static void
757 vl_api_map_another_segment_reply_t_handler (vl_api_map_another_segment_reply_t
758  * mp)
759 {
760  clib_warning ("not implemented");
761 }
762 
763 static void
765 {
766  vnet_listen_args_t _a, *a = &_a;
767  vl_api_bind_sock_reply_t *rmp;
768  application_t *app = 0;
769  app_worker_t *app_wrk;
770  ip46_address_t *ip46;
771  int rv = 0;
772 
773  if (session_main_is_enabled () == 0)
774  {
775  rv = VNET_API_ERROR_FEATURE_DISABLED;
776  goto done;
777  }
778 
779  app = application_lookup (mp->client_index);
780  if (!app)
781  {
782  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
783  goto done;
784  }
785 
786  ip46 = (ip46_address_t *) mp->ip;
787  clib_memset (a, 0, sizeof (*a));
788  a->sep.is_ip4 = mp->is_ip4;
789  a->sep.ip = *ip46;
790  a->sep.port = mp->port;
791  a->sep.fib_index = mp->vrf;
792  a->sep.sw_if_index = ENDPOINT_INVALID_INDEX;
793  a->sep.transport_proto = mp->proto;
794  a->app_index = app->app_index;
795  a->wrk_map_index = mp->wrk_index;
796 
797  if ((rv = vnet_listen (a)))
798  clib_warning ("listen returned: %d", rv);
799 
800 done:
801  /* Actual reply sent only over mq */
802  REPLY_MACRO (VL_API_BIND_SOCK_REPLY);
803 
804  if (app)
805  {
806  app_wrk = application_get_worker (app, mp->wrk_index);
807  mq_send_session_bound_cb (app_wrk->wrk_index, mp->context, a->handle,
808  rv);
809  }
810 }
811 
812 static void
814 {
815  vl_api_unbind_sock_reply_t *rmp;
816  vnet_unlisten_args_t _a, *a = &_a;
817  app_worker_t *app_wrk;
818  application_t *app = 0;
819  int rv = 0;
820 
821  if (session_main_is_enabled () == 0)
822  {
823  rv = VNET_API_ERROR_FEATURE_DISABLED;
824  goto done;
825  }
826 
827  app = application_lookup (mp->client_index);
828  if (app)
829  {
830  a->app_index = app->app_index;
831  a->handle = mp->handle;
832  a->wrk_map_index = mp->wrk_index;
833  if ((rv = vnet_unlisten (a)))
834  clib_warning ("unlisten returned: %d", rv);
835  }
836 
837 done:
838  REPLY_MACRO (VL_API_UNBIND_SOCK_REPLY);
839 
840  /*
841  * Send reply over msg queue
842  */
843  svm_msg_q_msg_t _msg, *msg = &_msg;
845  svm_msg_q_t *app_mq;
846  session_event_t *evt;
847 
848  if (!app)
849  return;
850 
851  app_wrk = application_get_worker (app, a->wrk_map_index);
852  if (!app_wrk)
853  return;
854 
855  app_mq = app_wrk->event_queue;
856  if (mq_try_lock_and_alloc_msg (app_mq, msg))
857  return;
858 
859  evt = svm_msg_q_msg_data (app_mq, msg);
860  clib_memset (evt, 0, sizeof (*evt));
861  evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY;
862  ump = (session_unlisten_reply_msg_t *) evt->data;
863  ump->context = mp->context;
864  ump->handle = mp->handle;
865  ump->retval = rv;
866  svm_msg_q_add_and_unlock (app_mq, msg);
867 }
868 
869 static void
871 {
872  vl_api_connect_sock_reply_t *rmp;
873  vnet_connect_args_t _a, *a = &_a;
874  application_t *app = 0;
875  int rv = 0;
876 
877  if (session_main_is_enabled () == 0)
878  {
879  rv = VNET_API_ERROR_FEATURE_DISABLED;
880  goto done;
881  }
882 
883  app = application_lookup (mp->client_index);
884  if (app)
885  {
886  svm_queue_t *client_q;
887  ip46_address_t *ip46 = (ip46_address_t *) mp->ip;
888 
889  clib_memset (a, 0, sizeof (*a));
891  mp->client_queue_address = pointer_to_uword (client_q);
892  a->sep.is_ip4 = mp->is_ip4;
893  a->sep.ip = *ip46;
894  a->sep.port = mp->port;
895  a->sep.transport_proto = mp->proto;
896  a->sep.peer.fib_index = mp->vrf;
897  a->sep.peer.sw_if_index = ENDPOINT_INVALID_INDEX;
898  if (mp->hostname_len)
899  {
900  vec_validate (a->sep_ext.hostname, mp->hostname_len - 1);
901  clib_memcpy_fast (a->sep_ext.hostname, mp->hostname,
902  mp->hostname_len);
903  }
904  a->api_context = mp->context;
905  a->app_index = app->app_index;
906  a->wrk_map_index = mp->wrk_index;
907  if ((rv = vnet_connect (a)))
908  clib_warning ("connect returned: %u", rv);
909  vec_free (a->sep_ext.hostname);
910  }
911  else
912  {
913  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
914  }
915 
916  if (rv == 0)
917  return;
918 
919  /* Got some error, relay it */
920 
921 done:
922  REPLY_MACRO (VL_API_CONNECT_SOCK_REPLY);
923 
924  if (app)
925  {
926  app_worker_t *app_wrk = application_get_worker (app, mp->wrk_index);
927  mq_send_session_connected_cb (app_wrk->wrk_index, mp->context, 0, 1);
928  }
929 }
930 
931 static void
933 {
934  int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
937  application_t *app;
938  u8 fd_flags = 0;
939 
940  if (!session_main_is_enabled ())
941  {
942  rv = VNET_API_ERROR_FEATURE_DISABLED;
943  goto done;
944  }
945 
947  if (!reg)
948  return;
949 
950  app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
951  if (!app)
952  {
953  rv = VNET_API_ERROR_INVALID_VALUE;
954  goto done;
955  }
956 
958  .app_index = app->app_index,
959  .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
960  .api_client_index = mp->client_index,
961  .is_add = mp->is_add
962  };
963  rv = vnet_app_worker_add_del (&args);
964  if (rv)
965  {
966  clib_warning ("app worker add/del returned: %d", rv);
967  goto done;
968  }
969 
970  if (!mp->is_add)
971  goto done;
972 
973  /* Send fifo segment fd if needed */
974  if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
975  {
976  fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
977  fds[n_fds] = args.segment->fd;
978  n_fds += 1;
979  }
980  if (application_segment_manager_properties (app)->use_mq_eventfd)
981  {
982  fd_flags |= SESSION_FD_F_MQ_EVENTFD;
983  fds[n_fds] = svm_msg_q_get_producer_eventfd (args.evt_q);
984  n_fds += 1;
985  }
986 
987  /* *INDENT-OFF* */
988 done:
989  REPLY_MACRO2 (VL_API_APP_WORKER_ADD_DEL_REPLY, ({
990  rmp->is_add = mp->is_add;
991  rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
992  rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
993  if (!rv && mp->is_add)
994  {
995  if (vec_len (args.segment->name))
996  {
997  memcpy (rmp->segment_name, args.segment->name,
998  vec_len (args.segment->name));
999  rmp->segment_name_length = vec_len (args.segment->name);
1000  }
1001  rmp->app_event_queue_address = pointer_to_uword (args.evt_q);
1002  rmp->n_fds = n_fds;
1003  rmp->fd_flags = fd_flags;
1004  }
1005  }));
1006  /* *INDENT-ON* */
1007 
1008  if (n_fds)
1009  session_send_fds (reg, fds, n_fds);
1010 }
1011 
1012 static void
1014 {
1016  u32 appns_index = 0;
1017  u8 *ns_id = 0;
1018  int rv = 0;
1019  if (!session_main_is_enabled ())
1020  {
1021  rv = VNET_API_ERROR_FEATURE_DISABLED;
1022  goto done;
1023  }
1024 
1025  if (mp->namespace_id_len > ARRAY_LEN (mp->namespace_id))
1026  {
1027  rv = VNET_API_ERROR_INVALID_VALUE;
1028  goto done;
1029  }
1030 
1031  vec_validate (ns_id, mp->namespace_id_len - 1);
1034  .ns_id = ns_id,
1035  .secret = clib_net_to_host_u64 (mp->secret),
1036  .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
1037  .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
1038  .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
1039  .is_add = 1
1040  };
1041  rv = vnet_app_namespace_add_del (&args);
1042  if (!rv)
1043  {
1044  appns_index = app_namespace_index_from_id (ns_id);
1045  if (appns_index == APP_NAMESPACE_INVALID_INDEX)
1046  {
1047  clib_warning ("app ns lookup failed");
1048  rv = VNET_API_ERROR_UNSPECIFIED;
1049  }
1050  }
1051  vec_free (ns_id);
1052 
1053  /* *INDENT-OFF* */
1054 done:
1055  REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
1056  if (!rv)
1057  rmp->appns_index = clib_host_to_net_u32 (appns_index);
1058  }));
1059  /* *INDENT-ON* */
1060 }
1061 
1062 static void
1064 {
1065  vl_api_session_rule_add_del_reply_t *rmp;
1067  session_rule_table_add_del_args_t *table_args = &args.table_args;
1068  u8 fib_proto;
1069  int rv = 0;
1070 
1071  clib_memset (&args, 0, sizeof (args));
1072  fib_proto = mp->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
1073 
1074  table_args->lcl.fp_len = mp->lcl_plen;
1075  table_args->lcl.fp_proto = fib_proto;
1076  table_args->rmt.fp_len = mp->rmt_plen;
1077  table_args->rmt.fp_proto = fib_proto;
1078  table_args->lcl_port = mp->lcl_port;
1079  table_args->rmt_port = mp->rmt_port;
1080  table_args->action_index = clib_net_to_host_u32 (mp->action_index);
1081  table_args->is_add = mp->is_add;
1082  mp->tag[sizeof (mp->tag) - 1] = 0;
1083  table_args->tag = format (0, "%s", mp->tag);
1084  args.appns_index = clib_net_to_host_u32 (mp->appns_index);
1085  args.scope = mp->scope;
1086  args.transport_proto = mp->transport_proto;
1087 
1088  clib_memset (&table_args->lcl.fp_addr, 0, sizeof (table_args->lcl.fp_addr));
1089  clib_memset (&table_args->rmt.fp_addr, 0, sizeof (table_args->rmt.fp_addr));
1090  ip_set (&table_args->lcl.fp_addr, mp->lcl_ip, mp->is_ip4);
1091  ip_set (&table_args->rmt.fp_addr, mp->rmt_ip, mp->is_ip4);
1092  rv = vnet_session_rule_add_del (&args);
1093  if (rv)
1094  clib_warning ("rule add del returned: %d", rv);
1095  vec_free (table_args->tag);
1096  REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
1097 }
1098 
1099 static void
1100 send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
1101  u8 transport_proto, u32 appns_index, u8 * tag,
1103 {
1105  session_mask_or_match_4_t *match =
1106  (session_mask_or_match_4_t *) & rule->match;
1107  session_mask_or_match_4_t *mask =
1108  (session_mask_or_match_4_t *) & rule->mask;
1109 
1110  rmp = vl_msg_api_alloc (sizeof (*rmp));
1111  clib_memset (rmp, 0, sizeof (*rmp));
1112  rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
1113  rmp->context = context;
1114 
1115  rmp->is_ip4 = 1;
1116  clib_memcpy_fast (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip));
1117  clib_memcpy_fast (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip));
1118  rmp->lcl_plen = ip4_mask_to_preflen (&mask->lcl_ip);
1119  rmp->rmt_plen = ip4_mask_to_preflen (&mask->rmt_ip);
1120  rmp->lcl_port = match->lcl_port;
1121  rmp->rmt_port = match->rmt_port;
1122  rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1123  rmp->scope =
1125  rmp->transport_proto = transport_proto;
1126  rmp->appns_index = clib_host_to_net_u32 (appns_index);
1127  if (tag)
1128  {
1129  clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1130  rmp->tag[vec_len (tag)] = 0;
1131  }
1132 
1133  vl_api_send_msg (reg, (u8 *) rmp);
1134 }
1135 
1136 static void
1137 send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
1138  u8 transport_proto, u32 appns_index, u8 * tag,
1140 {
1142  session_mask_or_match_6_t *match =
1143  (session_mask_or_match_6_t *) & rule->match;
1144  session_mask_or_match_6_t *mask =
1145  (session_mask_or_match_6_t *) & rule->mask;
1146 
1147  rmp = vl_msg_api_alloc (sizeof (*rmp));
1148  clib_memset (rmp, 0, sizeof (*rmp));
1149  rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS);
1150  rmp->context = context;
1151 
1152  rmp->is_ip4 = 0;
1153  clib_memcpy_fast (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip));
1154  clib_memcpy_fast (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip));
1155  rmp->lcl_plen = ip6_mask_to_preflen (&mask->lcl_ip);
1156  rmp->rmt_plen = ip6_mask_to_preflen (&mask->rmt_ip);
1157  rmp->lcl_port = match->lcl_port;
1158  rmp->rmt_port = match->rmt_port;
1159  rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1160  rmp->scope =
1162  rmp->transport_proto = transport_proto;
1163  rmp->appns_index = clib_host_to_net_u32 (appns_index);
1164  if (tag)
1165  {
1166  clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1167  rmp->tag[vec_len (tag)] = 0;
1168  }
1169 
1170  vl_api_send_msg (reg, (u8 *) rmp);
1171 }
1172 
1173 static void
1175  u8 tp, u8 is_local, u32 appns_index,
1177 {
1178  mma_rule_16_t *rule16;
1179  mma_rule_40_t *rule40;
1180  mma_rules_table_16_t *srt16;
1181  mma_rules_table_40_t *srt40;
1182  u32 ri;
1183 
1184  if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1185  {
1186  u8 *tag = 0;
1187  /* *INDENT-OFF* */
1188  srt16 = &srt->session_rules_tables_16;
1189  pool_foreach (rule16, srt16->rules, ({
1190  ri = mma_rules_table_rule_index_16 (srt16, rule16);
1191  tag = session_rules_table_rule_tag (srt, ri, 1);
1192  send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1193  reg, context);
1194  }));
1195  /* *INDENT-ON* */
1196  }
1197  if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1198  {
1199  u8 *tag = 0;
1200  /* *INDENT-OFF* */
1201  srt40 = &srt->session_rules_tables_40;
1202  pool_foreach (rule40, srt40->rules, ({
1203  ri = mma_rules_table_rule_index_40 (srt40, rule40);
1204  tag = session_rules_table_rule_tag (srt, ri, 1);
1205  send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1206  reg, context);
1207  }));
1208  /* *INDENT-ON* */
1209  }
1210 }
1211 
1212 static void
1214 {
1215  vl_api_registration_t *reg;
1216  session_table_t *st;
1217  u8 tp;
1218 
1220  if (!reg)
1221  return;
1222 
1223  /* *INDENT-OFF* */
1224  session_table_foreach (st, ({
1225  for (tp = 0; tp < TRANSPORT_N_PROTO; tp++)
1226  {
1227  send_session_rules_table_details (&st->session_rules[tp],
1228  st->active_fib_proto, tp,
1229  st->is_local, st->appns_index, reg,
1230  mp->context);
1231  }
1232  }));
1233  /* *INDENT-ON* */
1234 }
1235 
1236 static void
1238  mp)
1239 {
1241  vnet_app_add_tls_cert_args_t _a, *a = &_a;
1242  clib_error_t *error;
1243  application_t *app;
1244  u32 cert_len;
1245  int rv = 0;
1246  if (!session_main_is_enabled ())
1247  {
1248  rv = VNET_API_ERROR_FEATURE_DISABLED;
1249  goto done;
1250  }
1251  if (!(app = application_lookup (mp->client_index)))
1252  {
1253  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
1254  goto done;
1255  }
1256  clib_memset (a, 0, sizeof (*a));
1257  a->app_index = app->app_index;
1258  cert_len = clib_net_to_host_u16 (mp->cert_len);
1259  if (cert_len > 10000)
1260  {
1261  rv = VNET_API_ERROR_INVALID_VALUE;
1262  goto done;
1263  }
1264  vec_validate (a->cert, cert_len);
1265  clib_memcpy_fast (a->cert, mp->cert, cert_len);
1266  if ((error = vnet_app_add_tls_cert (a)))
1267  {
1268  rv = clib_error_get_code (error);
1269  clib_error_report (error);
1270  }
1271  vec_free (a->cert);
1272 done:
1273  REPLY_MACRO (VL_API_APPLICATION_TLS_CERT_ADD_REPLY);
1274 }
1275 
1276 static void
1278  mp)
1279 {
1281  vnet_app_add_tls_key_args_t _a, *a = &_a;
1282  clib_error_t *error;
1283  application_t *app;
1284  u32 key_len;
1285  int rv = 0;
1286  if (!session_main_is_enabled ())
1287  {
1288  rv = VNET_API_ERROR_FEATURE_DISABLED;
1289  goto done;
1290  }
1291  if (!(app = application_lookup (mp->client_index)))
1292  {
1293  rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
1294  goto done;
1295  }
1296  clib_memset (a, 0, sizeof (*a));
1297  a->app_index = app->app_index;
1298  key_len = clib_net_to_host_u16 (mp->key_len);
1299  if (key_len > 10000)
1300  {
1301  rv = VNET_API_ERROR_INVALID_VALUE;
1302  goto done;
1303  }
1304  vec_validate (a->key, key_len);
1305  clib_memcpy_fast (a->key, mp->key, key_len);
1306  if ((error = vnet_app_add_tls_key (a)))
1307  {
1308  rv = clib_error_get_code (error);
1309  clib_error_report (error);
1310  }
1311  vec_free (a->key);
1312 done:
1313  REPLY_MACRO (VL_API_APPLICATION_TLS_KEY_ADD_REPLY);
1314 }
1315 
1316 static clib_error_t *
1318 {
1319  application_t *app = application_lookup (client_index);
1320  vnet_app_detach_args_t _a, *a = &_a;
1321  if (app)
1322  {
1323  a->app_index = app->app_index;
1324  a->api_client_index = client_index;
1326  }
1327  return 0;
1328 }
1329 
1331 
1332 #define vl_msg_name_crc_list
1333 #include <vnet/vnet_all_api_h.h>
1334 #undef vl_msg_name_crc_list
1335 
1336 static void
1338 {
1339 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
1340  foreach_vl_msg_name_crc_session;
1341 #undef _
1342 }
1343 
1344 /*
1345  * session_api_hookup
1346  * Add uri's API message handlers to the table.
1347  * vlib has already mapped shared memory and
1348  * added the client registration handlers.
1349  * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
1350  */
1351 static clib_error_t *
1353 {
1354  api_main_t *am = &api_main;
1355 
1356 #define _(N,n) \
1357  vl_msg_api_set_handlers(VL_API_##N, #n, \
1358  vl_api_##n##_t_handler, \
1359  vl_noop_handler, \
1360  vl_api_##n##_t_endian, \
1361  vl_api_##n##_t_print, \
1362  sizeof(vl_api_##n##_t), 1);
1364 #undef _
1365 
1366  /*
1367  * Messages which bounce off the data-plane to
1368  * an API client. Simply tells the message handling infra not
1369  * to free the message.
1370  *
1371  * Bounced message handlers MUST NOT block the data plane
1372  */
1373  am->message_bounce[VL_API_CONNECT_URI] = 1;
1374  am->message_bounce[VL_API_CONNECT_SOCK] = 1;
1375 
1376  /*
1377  * Set up the (msg_name, crc, message-id) table
1378  */
1380 
1381  return 0;
1382 }
1383 
1385 
1386 /*
1387  * fd.io coding-style-patch-verification: ON
1388  *
1389  * Local Variables:
1390  * eval: (c-set-style "gnu")
1391  * End:
1392  */
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:439
static void vl_api_disconnect_session_reply_t_handler(vl_api_disconnect_session_reply_t *mp)
Definition: session_api.c:733
u32 al_index
App listener index in app&#39;s listener pool if a listener.
u64 ssvm_size
Definition: ssvm.h:84
struct _vnet_app_worker_add_del_args vnet_app_worker_add_del_args_t
u32 connection_index
Index of the transport connection associated to the session.
#define ENDPOINT_INVALID_INDEX
#define APP_NAMESPACE_INVALID_INDEX
static clib_error_t * session_api_hookup(vlib_main_t *vm)
Definition: session_api.c:1352
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 int send_del_segment_callback(u32 api_client_index, u64 segment_handle)
Definition: session_api.c:131
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:262
a
Definition: bitmap.h:538
VL_MSG_API_REAPER_FUNCTION(application_reaper_cb)
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.
Definition: session.api:83
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:1013
int vnet_app_namespace_add_del(vnet_app_namespace_add_del_args_t *a)
unsigned long u64
Definition: types.h:89
transport_connection_t * listen_session_get_transport(session_t *s)
Definition: session.c:1294
static svm_msg_q_t * session_main_get_vpp_event_queue(u32 thread_index)
Definition: session.h:505
void ip_set(ip46_address_t *dst, void *src, u8 is_ip4)
Definition: ip.c:90
svm_fifo_segment_private_t * segment_manager_get_segment_w_handle(u64 segment_handle)
#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:241
#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:1283
add/del session rule
Definition: session.api:402
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:34
u8 * message_bounce
Don&#39;t automatically free message buffer vetor.
Definition: api_common.h:222
Session rules details.
Definition: session.api:446
static void vl_api_map_another_segment_reply_t_handler(vl_api_map_another_segment_reply_t *mp)
Definition: session_api.c:757
Bind to an ip:port pair for a given transport protocol.
Definition: session.api:213
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
static int mq_send_session_bound_cb(u32 app_wrk_index, u32 api_context, session_handle_t handle, int rv)
Definition: session_api.c:389
application_t * application_lookup(u32 api_client_index)
Definition: application.c:415
app_listener_t * app_listener_get(application_t *app, u32 app_listener_index)
Definition: application.c:45
session_handle_t app_listener_handle(app_listener_t *al)
Definition: application.c:75
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:813
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:424
int vnet_unlisten(vnet_unlisten_args_t *a)
Definition: application.c:1065
#define foreach_session_api_msg
Definition: session_api.c:43
struct _vnet_application_add_tls_cert_args_t vnet_app_add_tls_cert_args_t
void * vl_msg_api_alloc(int nbytes)
clib_error_t * vnet_app_add_tls_cert(vnet_app_add_tls_cert_args_t *a)
Definition: application.c:1330
unsigned char u8
Definition: types.h:56
app_worker_t * application_get_worker(application_t *app, u32 wrk_map_index)
Definition: application.c:674
application_t * application_get_if_valid(u32 app_index)
Definition: application.c:455
struct _vnet_bind_args_t vnet_listen_args_t
static session_handle_t session_handle(session_t *s)
struct _svm_fifo svm_fifo_t
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:320
#define SESSION_INVALID_INDEX
Definition: session_table.h:58
int application_is_proxy(application_t *app)
Definition: application.c:1147
static void vl_api_connect_uri_t_handler(vl_api_connect_uri_t *mp)
Definition: session_api.c:662
static void mq_send_session_reset_cb(session_t *s)
Definition: session_api.c:296
static void vl_api_session_enable_disable_t_handler(vl_api_session_enable_disable_t *mp)
Definition: session_api.c:458
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:493
struct _vnet_disconnect_args_t vnet_disconnect_args_t
vl_api_registration_t * vl_mem_api_client_index_to_registration(u32 handle)
Definition: memory_api.c:792
add/del application namespace
Definition: session.api:360
static void vl_api_application_tls_cert_add_t_handler(vl_api_application_tls_cert_add_t *mp)
Definition: session_api.c:1237
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:1100
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:932
vpp->client unmap shared memory segment
Definition: session.api:125
static void vl_api_session_rules_dump_t_handler(vl_api_one_map_server_dump_t *mp)
Definition: session_api.c:1213
clib_error_t * vnet_app_add_tls_key(vnet_app_add_tls_key_args_t *a)
Definition: application.c:1342
session_t * app_listener_get_local_session(app_listener_t *al)
Definition: application.c:310
#define VL_API_INVALID_FI
Definition: api_common.h:76
svm_queue_t * vl_input_queue
shared memory only: pointer to client input queue
Definition: api_common.h:60
session_t * app_listener_get_session(app_listener_t *al)
Definition: application.c:301
struct _session_rule_add_del_args session_rule_add_del_args_t
client->vpp, attach application to session layer
Definition: session.api:27
u8 hostname[hostname_len]
Definition: session.api:266
static void vl_api_disconnect_session_t_handler(vl_api_disconnect_session_t *mp)
Definition: session_api.c:703
static int session_send_fds(vl_api_registration_t *reg, int fds[], int n_fds)
Definition: session_api.c:64
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:1317
Unbind a given URI.
Definition: session.api:153
u32 wrk_index
Worker index in global worker pool.
Definition: application.h:37
u64 session_segment_handle(session_t *s)
Definition: session.c:1226
clib_error_t * vnet_session_enable_disable(vlib_main_t *vm, u8 is_en)
Definition: session.c:1426
static u64 listen_session_get_handle(session_t *s)
Definition: session.h:445
u32 ip6_mask_to_preflen(ip6_address_t *mask)
Definition: ip.c:267
API main structure, used by both vpp and binary API clients.
Definition: api_common.h:202
int vnet_application_attach(vnet_app_attach_args_t *a)
Attach application to vpp.
Definition: application.c:839
static int mq_try_lock_and_alloc_msg(svm_msg_q_t *app_mq, svm_msg_q_msg_t *msg)
Definition: session_api.c:153
An API client registration, only in vpp/vlib.
Definition: api_common.h:45
vlib_main_t * vm
Definition: buffer.c:312
static transport_connection_t * transport_get_connection(transport_proto_t tp, u32 conn_index, u8 thread_index)
Definition: transport.h:90
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:821
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:341
u32 context
Definition: ipsec_gre.api:33
#define clib_warning(format, args...)
Definition: error.h:59
struct _stream_session_cb_vft session_cb_vft_t
struct _transport_connection transport_connection_t
static void mq_send_session_disconnected_cb(session_t *s)
Definition: session_api.c:282
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:1174
#define ARRAY_LEN(x)
Definition: clib.h:62
static vl_api_registration_t * vl_api_client_index_to_registration(u32 index)
Definition: api.h:56
Application attach reply.
Definition: session.api:50
static clib_error_t * vl_api_send_fd_msg(vl_api_registration_t *reg, int fds[], int n_fds)
Definition: api.h:84
static u32 vl_api_registration_file_index(vl_api_registration_t *reg)
Definition: api.h:64
application_t * application_get(u32 app_index)
Definition: application.c:447
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:1137
int fd
memfd segments
Definition: ssvm.h:92
app_listener_t * app_listener_get_w_handle(session_handle_t handle)
Definition: application.c:120
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:340
static void vl_api_connect_sock_t_handler(vl_api_connect_sock_t *mp)
Definition: session_api.c:870
session_t * ct_session_get_peer(session_t *s)
Reply for app namespace add/del.
Definition: session.api:376
client->vpp, attach application to session layer
Definition: session.api:95
int vnet_listen(vnet_listen_args_t *a)
Definition: application.c:977
static fib_protocol_t session_get_fib_proto(session_t *s)
int vnet_application_detach(vnet_app_detach_args_t *a)
Detach application from vpp.
Definition: application.c:899
struct _vnet_application_add_tls_key_args_t vnet_app_add_tls_key_args_t
static void vl_api_bind_sock_t_handler(vl_api_bind_sock_t *mp)
Definition: session_api.c:764
vpp->client, please map an additional shared memory segment
Definition: session.api:110
#define clib_error_report(e)
Definition: error.h:113
static int mq_send_session_accepted_cb(session_t *s)
Definition: session_api.c:172
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:1029
Connect to a remote peer.
Definition: session.api:254
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
u8 * name
Definition: ssvm.h:86
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:469
static void setup_message_id_table(api_main_t *am)
Definition: session_api.c:1337
u32 app_index
App index in app pool.
Definition: application.h:86
static u8 session_type_is_ip4(session_type_t st)
bidirectional disconnect API
Definition: session.api:183
static session_cb_vft_t session_mq_cb_vft
Definition: session_api.c:448
add/del application worker
Definition: session.api:299
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.
Definition: session.api:139
#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:1277
int vnet_bind_uri(vnet_listen_args_t *a)
ssvm_private_t * session_main_get_evt_q_segment(void)
Definition: session.c:1217
connectionless service
#define clib_error_get_code(err)
Definition: error.h:77
int vnet_disconnect_session(vnet_disconnect_args_t *a)
Definition: application.c:1094
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:747
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:566
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 u8 svm_fifo_n_subscribers(svm_fifo_t *f)
Definition: svm_fifo.h:308
#define session_table_foreach(VAR, BODY)
Definition: session_table.h:77
Application add TLS certificate.
Definition: session.api:69
static int send_add_segment_callback(u32 api_client_index, u64 segment_handle)
Definition: session_api.c:82
u32 app_wrk_index
Index of the app worker that owns the session.
Connect to a given URI.
Definition: session.api:169
static void vl_api_session_rule_add_del_t_handler(vl_api_session_rule_add_del_t *mp)
Definition: session_api.c:1063
bidirectional disconnect reply API
Definition: session.api:196
u32 api_client_index
API index for the worker.
Definition: application.h:63
int vnet_connect_uri(vnet_connect_args_t *a)
segment_manager_properties_t * application_segment_manager_properties(application_t *app)
Definition: application.c:1317
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)
api_main_t api_main
Definition: api_shared.c:35
static int mq_send_session_connected_cb(u32 app_wrk_index, u32 api_context, session_t *s, u8 is_fail)
Definition: session_api.c:309
static void vl_api_bind_uri_t_handler(vl_api_bind_uri_t *mp)
Definition: session_api.c:592
static session_t * listen_session_get(u32 ls_index)
Definition: session.h:475
non-blocking call - works with both condvar and eventfd signaling
Definition: queue.h:44
u32 listener_index
Parent listener session index if the result of an accept.
static u8 session_main_is_enabled()
Definition: session.h:511
static void vl_api_unbind_uri_t_handler(vl_api_unbind_uri_t *mp)
Definition: session_api.c:632
ssvm_segment_type_t ssvm_type(const ssvm_private_t *ssvm)
Definition: ssvm.c:429