2 * Copyright (c) 2015-2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/vnet.h>
17 #include <vlibmemory/api.h>
18 #include <vnet/session/application.h>
20 #include <vnet/vnet_msg_enum.h>
21 #include "application_interface.h"
23 #define vl_typedefs /* define message structures */
24 #include <vnet/vnet_all_api_h.h>
27 #define vl_endianfun /* define message structures */
28 #include <vnet/vnet_all_api_h.h>
31 /* instantiate all the print functions we know about */
32 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
34 #include <vnet/vnet_all_api_h.h>
37 #include <vlibapi/api_helper_macros.h>
39 #define foreach_session_api_msg \
40 _(MAP_ANOTHER_SEGMENT_REPLY, map_another_segment_reply) \
41 _(BIND_URI, bind_uri) \
42 _(UNBIND_URI, unbind_uri) \
43 _(CONNECT_URI, connect_uri) \
44 _(DISCONNECT_SESSION, disconnect_session) \
45 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
46 _(ACCEPT_SESSION_REPLY, accept_session_reply) \
47 _(RESET_SESSION_REPLY, reset_session_reply) \
48 _(BIND_SOCK, bind_sock) \
49 _(UNBIND_SOCK, unbind_sock) \
50 _(CONNECT_SOCK, connect_sock) \
51 _(DISCONNECT_SOCK, disconnect_sock) \
52 _(DISCONNECT_SOCK_REPLY, disconnect_sock_reply) \
53 _(ACCEPT_SOCK_REPLY, accept_sock_reply) \
54 _(RESET_SOCK_REPLY, reset_sock_reply) \
55 _(SESSION_ENABLE_DISABLE, session_enable_disable) \
59 send_add_segment_callback (u32 api_client_index, const u8 * segment_name,
62 vl_api_map_another_segment_t *mp;
63 unix_shared_memory_queue_t *q;
65 q = vl_api_client_index_to_input_queue (api_client_index);
70 mp = vl_msg_api_alloc (sizeof (*mp));
71 memset (mp, 0, sizeof (*mp));
72 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_MAP_ANOTHER_SEGMENT);
73 mp->segment_size = segment_size;
74 strncpy ((char *) mp->segment_name, (char *) segment_name,
75 sizeof (mp->segment_name) - 1);
77 vl_msg_api_send_shmem (q, (u8 *) & mp);
83 send_session_accept_uri_callback (stream_session_t * s)
85 vl_api_accept_session_t *mp;
86 unix_shared_memory_queue_t *q, *vpp_queue;
87 application_t *server = application_get (s->app_index);
89 q = vl_api_client_index_to_input_queue (server->api_client_index);
90 vpp_queue = session_manager_get_vpp_event_queue (s->thread_index);
95 mp = vl_msg_api_alloc (sizeof (*mp));
96 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_ACCEPT_SESSION);
98 /* Note: session_type is the first octet in all types of sessions */
100 mp->accept_cookie = server->accept_cookie;
101 mp->server_rx_fifo = (u64) s->server_rx_fifo;
102 mp->server_tx_fifo = (u64) s->server_tx_fifo;
103 mp->session_thread_index = s->thread_index;
104 mp->session_index = s->session_index;
105 mp->session_type = s->session_type;
106 mp->vpp_event_queue_address = (u64) vpp_queue;
107 vl_msg_api_send_shmem (q, (u8 *) & mp);
113 send_session_disconnect_uri_callback (stream_session_t * s)
115 vl_api_disconnect_session_t *mp;
116 unix_shared_memory_queue_t *q;
117 application_t *app = application_get (s->app_index);
119 q = vl_api_client_index_to_input_queue (app->api_client_index);
124 mp = vl_msg_api_alloc (sizeof (*mp));
125 memset (mp, 0, sizeof (*mp));
126 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_DISCONNECT_SESSION);
128 mp->session_thread_index = s->thread_index;
129 mp->session_index = s->session_index;
130 vl_msg_api_send_shmem (q, (u8 *) & mp);
134 send_session_reset_uri_callback (stream_session_t * s)
136 vl_api_reset_session_t *mp;
137 unix_shared_memory_queue_t *q;
138 application_t *app = application_get (s->app_index);
140 q = vl_api_client_index_to_input_queue (app->api_client_index);
145 mp = vl_msg_api_alloc (sizeof (*mp));
146 memset (mp, 0, sizeof (*mp));
147 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_RESET_SESSION);
149 mp->session_thread_index = s->thread_index;
150 mp->session_index = s->session_index;
151 vl_msg_api_send_shmem (q, (u8 *) & mp);
155 send_session_connected_uri_callback (u32 api_client_index,
156 stream_session_t * s, u8 is_fail)
158 vl_api_connect_uri_reply_t *mp;
159 unix_shared_memory_queue_t *q;
160 application_t *app = application_lookup (api_client_index);
162 unix_shared_memory_queue_t *vpp_queue;
164 q = vl_api_client_index_to_input_queue (app->api_client_index);
169 mp = vl_msg_api_alloc (sizeof (*mp));
170 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_CONNECT_URI_REPLY);
171 mp->context = app->api_context;
174 vpp_queue = session_manager_get_vpp_event_queue (s->thread_index);
175 mp->server_rx_fifo = (u64) s->server_rx_fifo;
176 mp->server_tx_fifo = (u64) s->server_tx_fifo;
177 mp->session_thread_index = s->thread_index;
178 mp->session_index = s->session_index;
179 mp->session_type = s->session_type;
180 mp->vpp_event_queue_address = (u64) vpp_queue;
181 mp->client_event_queue_address = (u64) app->event_queue;
184 session_manager_get_segment_info (s->server_segment_index, &seg_name,
186 mp->segment_name_length = vec_len (seg_name);
187 if (mp->segment_name_length)
188 clib_memcpy (mp->segment_name, seg_name, mp->segment_name_length);
192 mp->retval = VNET_API_ERROR_SESSION_CONNECT_FAIL;
195 vl_msg_api_send_shmem (q, (u8 *) & mp);
197 /* Remove client if connect failed */
200 application_del (app);
204 s->session_state = SESSION_STATE_READY;
211 * Redirect a connect_uri message to the indicated server.
212 * Only sent if the server has bound the related port with
213 * URI_OPTIONS_FLAGS_USE_FIFO
216 redirect_connect_uri_callback (u32 server_api_client_index, void *mp_arg)
218 vl_api_connect_uri_t *mp = mp_arg;
219 unix_shared_memory_queue_t *server_q, *client_q;
220 vlib_main_t *vm = vlib_get_main ();
221 f64 timeout = vlib_time_now (vm) + 0.5;
224 server_q = vl_api_client_index_to_input_queue (server_api_client_index);
228 rv = VNET_API_ERROR_INVALID_VALUE;
232 client_q = vl_api_client_index_to_input_queue (mp->client_index);
235 rv = VNET_API_ERROR_INVALID_VALUE_2;
239 /* Tell the server the client's API queue address, so it can reply */
240 mp->client_queue_address = (u64) client_q;
243 * Bounce message handlers MUST NOT block the data-plane.
244 * Spin waiting for the queue lock, but
247 while (vlib_time_now (vm) < timeout)
250 unix_shared_memory_queue_add (server_q, (u8 *) & mp, 1 /*nowait */ );
253 /* correctly enqueued */
255 return VNET_CONNECT_REDIRECTED;
257 /* continue spinning, wait for pthread_mutex_trylock to work */
261 /* queue stuffed, drop the msg */
263 rv = VNET_API_ERROR_QUEUE_FULL;
268 /* Dispose of the message */
269 vl_msg_api_free (mp);
274 make_session_handle (stream_session_t * s)
276 return (u64) s->session_index << 32 | (u64) s->thread_index;
280 send_session_accept_callback (stream_session_t * s)
282 vl_api_accept_sock_t *mp;
283 unix_shared_memory_queue_t *q, *vpp_queue;
284 application_t *server = application_get (s->app_index);
286 q = vl_api_client_index_to_input_queue (server->api_client_index);
287 vpp_queue = session_manager_get_vpp_event_queue (s->thread_index);
292 mp = vl_msg_api_alloc (sizeof (*mp));
293 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_ACCEPT_SOCK);
295 /* Note: session_type is the first octet in all types of sessions */
297 mp->accept_cookie = server->accept_cookie;
298 mp->server_rx_fifo = (u64) s->server_rx_fifo;
299 mp->server_tx_fifo = (u64) s->server_tx_fifo;
300 mp->handle = make_session_handle (s);
301 mp->vpp_event_queue_address = (u64) vpp_queue;
302 vl_msg_api_send_shmem (q, (u8 *) & mp);
308 send_session_connected_callback (u32 api_client_index, stream_session_t * s,
311 vl_api_connect_sock_reply_t *mp;
312 unix_shared_memory_queue_t *q;
313 application_t *app = application_lookup (api_client_index);
315 unix_shared_memory_queue_t *vpp_queue;
317 q = vl_api_client_index_to_input_queue (app->api_client_index);
322 mp = vl_msg_api_alloc (sizeof (*mp));
323 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_CONNECT_SOCK_REPLY);
324 mp->context = app->api_context;
325 mp->retval = is_fail;
328 vpp_queue = session_manager_get_vpp_event_queue (s->thread_index);
329 mp->server_rx_fifo = (u64) s->server_rx_fifo;
330 mp->server_tx_fifo = (u64) s->server_tx_fifo;
331 mp->handle = make_session_handle (s);
332 mp->vpp_event_queue_address = (u64) vpp_queue;
333 mp->client_event_queue_address = (u64) app->event_queue;
335 session_manager_get_segment_info (s->server_segment_index, &seg_name,
337 mp->segment_name_length = vec_len (seg_name);
338 if (mp->segment_name_length)
339 clib_memcpy (mp->segment_name, seg_name, mp->segment_name_length);
342 vl_msg_api_send_shmem (q, (u8 *) & mp);
344 /* Remove client if connect failed */
346 application_del (app);
352 send_session_disconnect_callback (stream_session_t * s)
354 vl_api_disconnect_sock_t *mp;
355 unix_shared_memory_queue_t *q;
356 application_t *app = application_get (s->app_index);
358 q = vl_api_client_index_to_input_queue (app->api_client_index);
363 mp = vl_msg_api_alloc (sizeof (*mp));
364 memset (mp, 0, sizeof (*mp));
365 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_DISCONNECT_SOCK);
367 mp->handle = make_session_handle (s);
368 vl_msg_api_send_shmem (q, (u8 *) & mp);
372 send_session_reset_callback (stream_session_t * s)
374 vl_api_reset_sock_t *mp;
375 unix_shared_memory_queue_t *q;
376 application_t *app = application_get (s->app_index);
378 q = vl_api_client_index_to_input_queue (app->api_client_index);
383 mp = vl_msg_api_alloc (sizeof (*mp));
384 memset (mp, 0, sizeof (*mp));
385 mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_RESET_SOCK);
387 mp->handle = make_session_handle (s);
388 vl_msg_api_send_shmem (q, (u8 *) & mp);
392 * Redirect a connect_uri message to the indicated server.
393 * Only sent if the server has bound the related port with
394 * URI_OPTIONS_FLAGS_USE_FIFO
397 redirect_connect_callback (u32 server_api_client_index, void *mp_arg)
399 vl_api_connect_sock_t *mp = mp_arg;
400 unix_shared_memory_queue_t *server_q, *client_q;
401 vlib_main_t *vm = vlib_get_main ();
402 f64 timeout = vlib_time_now (vm) + 0.5;
405 server_q = vl_api_client_index_to_input_queue (server_api_client_index);
409 rv = VNET_API_ERROR_INVALID_VALUE;
413 client_q = vl_api_client_index_to_input_queue (mp->client_index);
416 rv = VNET_API_ERROR_INVALID_VALUE_2;
420 /* Tell the server the client's API queue address, so it can reply */
421 mp->client_queue_address = (u64) client_q;
424 * Bounce message handlers MUST NOT block the data-plane.
425 * Spin waiting for the queue lock, but
428 while (vlib_time_now (vm) < timeout)
431 unix_shared_memory_queue_add (server_q, (u8 *) & mp, 1 /*nowait */ );
434 /* correctly enqueued */
436 return VNET_CONNECT_REDIRECTED;
438 /* continue spinning, wait for pthread_mutex_trylock to work */
442 /* queue stuffed, drop the msg */
444 rv = VNET_API_ERROR_QUEUE_FULL;
449 /* Dispose of the message */
450 vl_msg_api_free (mp);
454 static session_cb_vft_t uri_session_cb_vft = {
455 .session_accept_callback = send_session_accept_uri_callback,
456 .session_disconnect_callback = send_session_disconnect_uri_callback,
457 .session_connected_callback = send_session_connected_uri_callback,
458 .session_reset_callback = send_session_reset_uri_callback,
459 .add_segment_callback = send_add_segment_callback,
460 .redirect_connect_callback = redirect_connect_uri_callback
463 static session_cb_vft_t session_cb_vft = {
464 .session_accept_callback = send_session_accept_callback,
465 .session_disconnect_callback = send_session_disconnect_callback,
466 .session_connected_callback = send_session_connected_callback,
467 .session_reset_callback = send_session_reset_callback,
468 .add_segment_callback = send_add_segment_callback,
469 .redirect_connect_callback = redirect_connect_callback
473 api_session_not_valid (u32 session_index, u32 thread_index)
475 session_manager_main_t *smm = vnet_get_session_manager_main ();
476 stream_session_t *pool;
478 if (thread_index >= vec_len (smm->sessions))
479 return VNET_API_ERROR_INVALID_VALUE;
481 pool = smm->sessions[thread_index];
483 if (pool_is_free_index (pool, session_index))
484 return VNET_API_ERROR_INVALID_VALUE_2;
490 vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
492 vl_api_session_enable_disable_reply_t *rmp;
493 vlib_main_t *vm = vlib_get_main ();
496 vnet_session_enable_disable (vm, mp->is_enable);
497 REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
501 vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp)
503 vl_api_bind_uri_reply_t *rmp;
504 vnet_bind_args_t _a, *a = &_a;
505 char segment_name[128];
506 u32 segment_name_length;
509 _Static_assert (sizeof (u64) * SESSION_OPTIONS_N_OPTIONS <=
510 sizeof (mp->options),
511 "Out of options, fix api message definition");
513 segment_name_length = ARRAY_LEN (segment_name);
515 memset (a, 0, sizeof (*a));
517 a->uri = (char *) mp->uri;
518 a->api_client_index = mp->client_index;
519 a->options = mp->options;
520 a->segment_name = segment_name;
521 a->segment_name_length = segment_name_length;
522 a->session_cb_vft = &uri_session_cb_vft;
524 a->options[SESSION_OPTIONS_SEGMENT_SIZE] = mp->initial_segment_size;
525 a->options[SESSION_OPTIONS_ACCEPT_COOKIE] = mp->accept_cookie;
526 rv = vnet_bind_uri (a);
529 REPLY_MACRO2 (VL_API_BIND_URI_REPLY, ({
533 rmp->segment_name_length = 0;
535 rmp->segment_size = mp->initial_segment_size;
536 if (segment_name_length)
538 memcpy (rmp->segment_name, segment_name, segment_name_length);
539 rmp->segment_name_length = segment_name_length;
541 rmp->server_event_queue_address = a->server_event_queue_address;
548 vl_api_unbind_uri_t_handler (vl_api_unbind_uri_t * mp)
550 vl_api_unbind_uri_reply_t *rmp;
553 rv = vnet_unbind_uri ((char *) mp->uri, mp->client_index);
555 REPLY_MACRO (VL_API_UNBIND_URI_REPLY);
559 vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
561 vl_api_connect_uri_reply_t *rmp;
562 vnet_connect_args_t _a, *a = &_a;
565 a->uri = (char *) mp->uri;
566 a->api_client_index = mp->client_index;
567 a->api_context = mp->context;
568 a->options = mp->options;
569 a->session_cb_vft = &uri_session_cb_vft;
572 rv = vnet_connect_uri (a);
574 if (rv == 0 || rv == VNET_CONNECT_REDIRECTED)
577 /* Got some error, relay it */
580 REPLY_MACRO2 (VL_API_CONNECT_URI_REPLY, ({
587 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
589 vl_api_disconnect_session_reply_t *rmp;
592 rv = api_session_not_valid (mp->session_index, mp->session_thread_index);
595 vnet_disconnect_session (mp->session_index, mp->session_thread_index);
597 REPLY_MACRO (VL_API_DISCONNECT_SESSION_REPLY);
601 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
604 if (api_session_not_valid (mp->session_index, mp->session_thread_index))
606 clib_warning ("Invalid session!");
610 /* Client objected to disconnecting the session, log and continue */
613 clib_warning ("client retval %d", mp->retval);
617 /* Disconnect has been confirmed. Confirm close to transport */
618 vnet_disconnect_session (mp->session_index, mp->session_thread_index);
622 vl_api_reset_session_reply_t_handler (vl_api_reset_session_reply_t * mp)
626 if (api_session_not_valid (mp->session_index, mp->session_thread_index))
628 clib_warning ("Invalid session!");
632 /* Client objected to resetting the session, log and continue */
635 clib_warning ("client retval %d", mp->retval);
639 s = stream_session_get (mp->session_index, mp->session_thread_index);
641 /* This comes as a response to a reset, transport only waiting for
642 * confirmation to remove connection state, no need to disconnect */
643 stream_session_cleanup (s);
647 vl_api_accept_session_reply_t_handler (vl_api_accept_session_reply_t * mp)
652 if (api_session_not_valid (mp->session_index, mp->session_thread_index))
655 s = stream_session_get (mp->session_index, mp->session_thread_index);
660 /* Server isn't interested, kill the session */
661 stream_session_disconnect (s);
665 s->session_state = SESSION_STATE_READY;
669 vl_api_map_another_segment_reply_t_handler (vl_api_map_another_segment_reply_t
672 clib_warning ("not implemented");
676 vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp)
678 vl_api_bind_sock_reply_t *rmp;
679 vnet_bind_args_t _a, *a = &_a;
680 char segment_name[128];
681 u32 segment_name_length;
684 STATIC_ASSERT (sizeof (u64) * SESSION_OPTIONS_N_OPTIONS <=
685 sizeof (mp->options),
686 "Out of options, fix api message definition");
688 segment_name_length = ARRAY_LEN (segment_name);
690 memset (a, 0, sizeof (*a));
692 clib_memcpy (&a->tep.ip, mp->ip,
693 (mp->is_ip4 ? sizeof (ip4_address_t) :
694 sizeof (ip6_address_t)));
695 a->tep.is_ip4 = mp->is_ip4;
696 a->tep.port = mp->port;
697 a->tep.vrf = mp->vrf;
699 a->api_client_index = mp->client_index;
700 a->options = mp->options;
701 a->segment_name = segment_name;
702 a->segment_name_length = segment_name_length;
703 a->session_cb_vft = &session_cb_vft;
705 rv = vnet_bind_uri (a);
708 REPLY_MACRO2 (VL_API_BIND_SOCK_REPLY, ({
712 rmp->segment_name_length = 0;
713 rmp->segment_size = mp->options[SESSION_OPTIONS_SEGMENT_SIZE];
714 if (segment_name_length)
716 memcpy(rmp->segment_name, segment_name, segment_name_length);
717 rmp->segment_name_length = segment_name_length;
719 rmp->server_event_queue_address = a->server_event_queue_address;
726 vl_api_unbind_sock_t_handler (vl_api_unbind_sock_t * mp)
728 vl_api_unbind_sock_reply_t *rmp;
729 vnet_unbind_args_t _a, *a = &_a;
732 a->api_client_index = mp->client_index;
733 a->handle = mp->handle;
735 rv = vnet_unbind (a);
737 REPLY_MACRO (VL_API_UNBIND_SOCK_REPLY);
741 vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
743 vl_api_connect_sock_reply_t *rmp;
744 vnet_connect_args_t _a, *a = &_a;
747 clib_memcpy (&a->tep.ip, mp->ip,
748 (mp->is_ip4 ? sizeof (ip4_address_t) :
749 sizeof (ip6_address_t)));
750 a->tep.is_ip4 = mp->is_ip4;
751 a->tep.port = mp->port;
752 a->tep.vrf = mp->vrf;
753 a->options = mp->options;
754 a->session_cb_vft = &session_cb_vft;
755 a->api_context = mp->context;
758 rv = vnet_connect (a);
760 if (rv == 0 || rv == VNET_CONNECT_REDIRECTED)
763 /* Got some error, relay it */
766 REPLY_MACRO2 (VL_API_CONNECT_URI_REPLY, ({
773 vl_api_disconnect_sock_t_handler (vl_api_disconnect_sock_t * mp)
775 vnet_disconnect_args_t _a, *a = &_a;
776 vl_api_disconnect_sock_reply_t *rmp;
779 a->api_client_index = mp->client_index;
780 a->handle = mp->handle;
781 rv = vnet_disconnect (a);
783 REPLY_MACRO (VL_API_DISCONNECT_SOCK_REPLY);
787 vl_api_disconnect_sock_reply_t_handler (vl_api_disconnect_sock_reply_t * mp)
789 vnet_disconnect_args_t _a, *a = &_a;
791 /* Client objected to disconnecting the session, log and continue */
794 clib_warning ("client retval %d", mp->retval);
798 a->api_client_index = mp->client_index;
799 a->handle = mp->handle;
805 vl_api_reset_sock_reply_t_handler (vl_api_reset_sock_reply_t * mp)
808 u32 session_index, thread_index;
810 /* Client objected to resetting the session, log and continue */
813 clib_warning ("client retval %d", mp->retval);
817 if (api_parse_session_handle (mp->handle, &session_index, &thread_index))
819 clib_warning ("Invalid handle");
823 s = stream_session_get (session_index, thread_index);
825 /* This comes as a response to a reset, transport only waiting for
826 * confirmation to remove connection state, no need to disconnect */
827 stream_session_cleanup (s);
831 vl_api_accept_sock_reply_t_handler (vl_api_accept_sock_reply_t * mp)
834 u32 session_index, thread_index;
836 if (api_parse_session_handle (mp->handle, &session_index, &thread_index))
838 clib_warning ("Invalid handle");
841 s = stream_session_get (session_index, thread_index);
845 /* Server isn't interested, kill the session */
846 stream_session_disconnect (s);
850 s->session_state = SESSION_STATE_READY;
853 #define vl_msg_name_crc_list
854 #include <vnet/vnet_all_api_h.h>
855 #undef vl_msg_name_crc_list
858 setup_message_id_table (api_main_t * am)
860 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
861 foreach_vl_msg_name_crc_session;
867 * Add uri's API message handlers to the table.
868 * vlib has alread mapped shared memory and
869 * added the client registration handlers.
870 * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
872 static clib_error_t *
873 session_api_hookup (vlib_main_t * vm)
875 api_main_t *am = &api_main;
878 vl_msg_api_set_handlers(VL_API_##N, #n, \
879 vl_api_##n##_t_handler, \
881 vl_api_##n##_t_endian, \
882 vl_api_##n##_t_print, \
883 sizeof(vl_api_##n##_t), 1);
884 foreach_session_api_msg;
888 * Messages which bounce off the data-plane to
889 * an API client. Simply tells the message handling infra not
890 * to free the message.
892 * Bounced message handlers MUST NOT block the data plane
894 am->message_bounce[VL_API_CONNECT_URI] = 1;
895 am->message_bounce[VL_API_CONNECT_SOCK] = 1;
898 * Set up the (msg_name, crc, message-id) table
900 setup_message_id_table (am);
905 VLIB_API_INIT_FUNCTION (session_api_hookup);
907 * fd.io coding-style-patch-verification: ON
910 * eval: (c-set-style "gnu")