2 * Copyright (c) 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.
19 #include <vppinfra/clib.h>
20 #include <vppinfra/format.h>
21 #include <vppinfra/error.h>
22 #include <vppinfra/time.h>
23 #include <vppinfra/macros.h>
24 #include <vnet/vnet.h>
25 #include <vlib/vlib.h>
26 #include <vlib/unix/unix.h>
27 #include <vlibapi/api.h>
28 #include <vlibmemory/api.h>
29 #include <vpp/api/vpe_msg_enum.h>
30 #include <svm/svm_fifo_segment.h>
32 #include <vnet/session/application_interface.h>
34 #define vl_typedefs /* define message structures */
35 #include <vpp/api/vpe_all_api_h.h>
38 /* declare message handlers for each api */
40 #define vl_endianfun /* define message structures */
41 #include <vpp/api/vpe_all_api_h.h>
44 /* instantiate all the print functions we know about */
45 #define vl_print(handle, ...)
47 #include <vpp/api/vpe_all_api_h.h>
50 /* Satisfy external references when not linking with -lvlib */
51 vlib_main_t vlib_global_main;
52 vlib_main_t **vlib_mains;
63 svm_fifo_t *server_rx_fifo;
64 svm_fifo_t *server_tx_fifo;
70 unix_shared_memory_queue_t *vl_input_queue;
72 /* API client handle */
75 /* The URI we're playing with */
81 /* Hash table for disconnect processing */
82 uword *session_index_by_vpp_handles;
85 svm_fifo_segment_private_t *seg;
87 /* intermediate rx buffer */
96 unix_shared_memory_queue_t *our_event_queue;
98 /* $$$ single thread only for the moment */
99 unix_shared_memory_queue_t *vpp_event_queue;
101 /* $$$$ hack: cut-through session index */
102 volatile u32 cut_through_session_index;
104 /* unique segment name counter */
105 u32 unique_segment_index;
110 pthread_t cut_through_thread_handle;
112 /* For deadman timers */
113 clib_time_t clib_time;
115 /* State of the connection, shared between msg RX thread and main thread */
116 volatile connection_state_t state;
118 volatile int time_to_stop;
119 volatile int time_to_print_stats;
121 u32 configured_segment_size;
123 /* VNET_API_ERROR_FOO -> "Foo" hash table */
124 uword *error_string_by_error_number;
127 svm_fifo_segment_main_t *segment_main;
129 } uri_udp_test_main_t;
134 #define NITER 4000000
137 uri_udp_test_main_t uri_udp_test_main;
140 stop_signal (int signum)
142 uri_udp_test_main_t *um = &uri_udp_test_main;
144 um->time_to_stop = 1;
148 stats_signal (int signum)
150 uri_udp_test_main_t *um = &uri_udp_test_main;
152 um->time_to_print_stats = 1;
155 static clib_error_t *
156 setup_signal_handlers (void)
158 signal (SIGINT, stats_signal);
159 signal (SIGQUIT, stop_signal);
160 signal (SIGTERM, stop_signal);
166 format_api_error (u8 * s, va_list * args)
168 uri_udp_test_main_t *utm = va_arg (*args, uri_udp_test_main_t *);
169 i32 error = va_arg (*args, u32);
172 p = hash_get (utm->error_string_by_error_number, -error);
175 s = format (s, "%s", p[0]);
177 s = format (s, "%d", error);
182 wait_for_state_change (uri_udp_test_main_t * utm, connection_state_t state)
185 #define TIMEOUT 600.0
187 #define TIMEOUT 600.0
190 f64 timeout = clib_time_now (&utm->clib_time) + TIMEOUT;
192 while (clib_time_now (&utm->clib_time) < timeout)
194 if (utm->state == state)
200 u64 server_bytes_received, server_bytes_sent;
203 cut_through_thread_fn (void *arg)
208 u8 *my_copy_buffer = 0;
209 uri_udp_test_main_t *utm = &uri_udp_test_main;
214 while (utm->cut_through_session_index == ~0)
217 s = pool_elt_at_index (utm->sessions, utm->cut_through_session_index);
219 rx_fifo = s->server_rx_fifo;
220 tx_fifo = s->server_tx_fifo;
222 vec_validate (my_copy_buffer, 64 * 1024 - 1);
226 /* We read from the tx fifo and write to the rx fifo */
229 actual_transfer = svm_fifo_dequeue_nowait (tx_fifo, 0,
230 vec_len (my_copy_buffer),
233 while (actual_transfer <= 0);
235 server_bytes_received += actual_transfer;
238 while (actual_transfer > 0)
240 rv = svm_fifo_enqueue_nowait (rx_fifo, 0, actual_transfer,
241 my_copy_buffer + buffer_offset);
244 actual_transfer -= rv;
246 server_bytes_sent += rv;
250 if (PREDICT_FALSE (utm->time_to_stop))
258 uri_udp_slave_test (uri_udp_test_main_t * utm)
260 vl_api_connect_uri_t *cmp;
263 u64 bytes_received = 0, bytes_sent = 0;
266 int mypid = getpid ();
267 f64 before, after, delta, bytes_per_second;
269 svm_fifo_t *rx_fifo, *tx_fifo;
270 int buffer_offset, bytes_to_send = 0;
272 vec_validate (test_data, 64 * 1024 - 1);
273 for (i = 0; i < vec_len (test_data); i++)
274 test_data[i] = i & 0xff;
276 cmp = vl_msg_api_alloc (sizeof (*cmp));
277 memset (cmp, 0, sizeof (*cmp));
279 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
280 cmp->client_index = utm->my_client_index;
281 cmp->context = ntohl (0xfeedface);
282 memcpy (cmp->uri, utm->connect_uri, vec_len (utm->connect_uri));
283 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & cmp);
285 if (wait_for_state_change (utm, STATE_READY))
287 clib_warning ("timeout waiting for STATE_READY");
291 session = pool_elt_at_index (utm->sessions, utm->cut_through_session_index);
292 rx_fifo = session->server_rx_fifo;
293 tx_fifo = session->server_tx_fifo;
295 before = clib_time_now (&utm->clib_time);
297 vec_validate (utm->rx_buf, vec_len (test_data) - 1);
299 for (i = 0; i < NITER; i++)
301 bytes_to_send = vec_len (test_data);
303 while (bytes_to_send > 0)
305 rv = svm_fifo_enqueue_nowait (tx_fifo, mypid,
307 test_data + buffer_offset);
317 bytes_to_read = svm_fifo_max_dequeue (rx_fifo);
319 bytes_to_read = vec_len (utm->rx_buf) > bytes_to_read ?
320 bytes_to_read : vec_len (utm->rx_buf);
323 while (bytes_to_read > 0)
325 rv = svm_fifo_dequeue_nowait (rx_fifo, mypid,
327 utm->rx_buf + buffer_offset);
332 bytes_received += rv;
336 while (bytes_received < bytes_sent)
338 rv = svm_fifo_dequeue_nowait (rx_fifo, mypid,
339 vec_len (utm->rx_buf), utm->rx_buf);
344 for (j = 0; j < rv; j++)
346 if (utm->rx_buf[j] != ((bytes_received + j) & 0xff))
348 clib_warning ("error at byte %lld, 0x%x not 0x%x",
351 ((bytes_received + j) & 0xff));
355 bytes_received += (u64) rv;
359 after = clib_time_now (&utm->clib_time);
360 delta = after - before;
361 bytes_per_second = 0.0;
364 bytes_per_second = (f64) bytes_received / delta;
367 "Done: %lld recv bytes in %.2f seconds, %.2f bytes/sec...\n\n",
368 bytes_received, delta, bytes_per_second);
370 "Done: %lld sent bytes in %.2f seconds, %.2f bytes/sec...\n\n",
371 bytes_sent, delta, bytes_per_second);
373 "client -> server -> client round trip: %.2f Gbit/sec \n\n",
374 (bytes_per_second * 8.0) / 1e9);
378 vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
380 uri_udp_test_main_t *utm = &uri_udp_test_main;
381 svm_fifo_segment_create_args_t _a, *a = &_a;
384 if (mp->segment_name_length == 0)
386 clib_warning ("segment_name_length zero");
390 a->segment_name = (char *) mp->segment_name;
391 a->segment_size = mp->segment_size;
393 ASSERT (mp->server_event_queue_address);
395 /* Attach to the segment vpp created */
396 rv = svm_fifo_segment_attach (a);
399 clib_warning ("svm_fifo_segment_attach ('%s') failed",
404 utm->our_event_queue = (unix_shared_memory_queue_t *)
405 mp->server_event_queue_address;
407 utm->state = STATE_READY;
411 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
413 svm_fifo_segment_create_args_t _a, *a = &_a;
416 a->segment_name = (char *) mp->segment_name;
417 a->segment_size = mp->segment_size;
418 /* Attach to the segment vpp created */
419 rv = svm_fifo_segment_attach (a);
422 clib_warning ("svm_fifo_segment_attach ('%s') failed",
426 clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
431 vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp)
434 uri_udp_test_main_t *utm = &uri_udp_test_main;
435 svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
436 svm_fifo_segment_create_args_t _a, *a = &_a;
437 svm_fifo_segment_private_t *seg;
438 unix_shared_memory_queue_t *client_q;
439 vl_api_connect_uri_reply_t *rmp;
443 /* Create the segment */
444 a->segment_name = (char *) format (0, "%d:segment%d%c", utm->my_pid,
445 utm->unique_segment_index++, 0);
446 a->segment_size = utm->configured_segment_size;
448 rv = svm_fifo_segment_create (a);
451 clib_warning ("sm_fifo_segment_create ('%s') failed", a->segment_name);
452 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
456 vec_add2 (utm->seg, seg, 1);
458 segment_index = vec_len (sm->segments) - 1;
460 memcpy (seg, sm->segments + segment_index, sizeof (utm->seg[0]));
462 pool_get (utm->sessions, session);
465 * By construction the master's idea of the rx fifo ends up in
466 * fsh->fifos[0], and the master's idea of the tx fifo ends up in
469 session->server_rx_fifo = svm_fifo_segment_alloc_fifo (utm->seg,
471 ASSERT (session->server_rx_fifo);
473 session->server_tx_fifo = svm_fifo_segment_alloc_fifo (utm->seg,
475 ASSERT (session->server_tx_fifo);
477 session->server_rx_fifo->server_session_index = session - utm->sessions;
478 session->server_tx_fifo->server_session_index = session - utm->sessions;
479 utm->cut_through_session_index = session - utm->sessions;
481 rv = pthread_create (&utm->cut_through_thread_handle,
482 NULL /*attr */ , cut_through_thread_fn, 0);
485 clib_warning ("pthread_create returned %d", rv);
486 rv = VNET_API_ERROR_SYSCALL_ERROR_1;
490 rmp = vl_msg_api_alloc (sizeof (*rmp));
491 memset (rmp, 0, sizeof (*rmp));
493 rmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI_REPLY);
494 rmp->context = mp->context;
495 rmp->retval = ntohl (rv);
496 rmp->segment_name_length = vec_len (a->segment_name);
497 memcpy (rmp->segment_name, a->segment_name, vec_len (a->segment_name));
499 vec_free (a->segment_name);
501 client_q = (unix_shared_memory_queue_t *) mp->client_queue_address;
502 vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
506 vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
508 uri_udp_test_main_t *utm = &uri_udp_test_main;
511 clib_warning ("returned %d", ntohl (mp->retval));
513 utm->state = STATE_START;
517 vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
519 uri_udp_test_main_t *utm = &uri_udp_test_main;
520 vl_api_accept_session_reply_t *rmp;
521 svm_fifo_t *rx_fifo, *tx_fifo;
523 static f64 start_time;
526 if (start_time == 0.0)
527 start_time = clib_time_now (&utm->clib_time);
529 utm->vpp_event_queue = (unix_shared_memory_queue_t *)
530 mp->vpp_event_queue_address;
532 pool_get (utm->sessions, session);
534 rx_fifo = (svm_fifo_t *) mp->server_rx_fifo;
535 rx_fifo->client_session_index = session - utm->sessions;
536 tx_fifo = (svm_fifo_t *) mp->server_tx_fifo;
537 tx_fifo->client_session_index = session - utm->sessions;
539 session->server_rx_fifo = rx_fifo;
540 session->server_tx_fifo = tx_fifo;
542 key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index;
544 hash_set (utm->session_index_by_vpp_handles, key, session - utm->sessions);
546 utm->state = STATE_READY;
548 if (pool_elts (utm->sessions) && (pool_elts (utm->sessions) % 20000) == 0)
550 f64 now = clib_time_now (&utm->clib_time);
551 fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
552 pool_elts (utm->sessions), now - start_time,
553 (f64) pool_elts (utm->sessions) / (now - start_time));
556 rmp = vl_msg_api_alloc (sizeof (*rmp));
557 memset (rmp, 0, sizeof (*rmp));
558 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
559 rmp->session_type = mp->session_type;
560 rmp->session_index = mp->session_index;
561 rmp->session_thread_index = mp->session_thread_index;
562 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
566 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
568 uri_udp_test_main_t *utm = &uri_udp_test_main;
570 vl_api_disconnect_session_reply_t *rmp;
575 key = (((u64) mp->session_thread_index) << 32) | (u64) mp->session_index;
577 p = hash_get (utm->session_index_by_vpp_handles, key);
581 session = pool_elt_at_index (utm->sessions, p[0]);
582 hash_unset (utm->session_index_by_vpp_handles, key);
583 pool_put (utm->sessions, session);
587 clib_warning ("couldn't find session key %llx", key);
591 rmp = vl_msg_api_alloc (sizeof (*rmp));
592 memset (rmp, 0, sizeof (*rmp));
593 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
595 rmp->session_index = mp->session_index;
596 rmp->session_thread_index = mp->session_thread_index;
597 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
601 vl_api_connect_uri_reply_t_handler (vl_api_connect_uri_reply_t * mp)
603 svm_fifo_segment_main_t *sm = &svm_fifo_segment_main;
604 uri_udp_test_main_t *utm = &uri_udp_test_main;
605 svm_fifo_segment_create_args_t _a, *a = &_a;
606 ssvm_shared_header_t *sh;
607 svm_fifo_segment_private_t *seg;
608 svm_fifo_segment_header_t *fsh;
613 ASSERT (utm->i_am_master == 0);
615 if (mp->segment_name_length == 0)
617 clib_warning ("segment_name_length zero");
621 memset (a, 0, sizeof (*a));
623 a->segment_name = (char *) mp->segment_name;
627 rv = svm_fifo_segment_attach (a);
630 clib_warning ("sm_fifo_segment_create ('%v') failed", mp->segment_name);
634 segment_index = vec_len (sm->segments) - 1;
636 vec_add2 (utm->seg, seg, 1);
638 memcpy (seg, sm->segments + segment_index, sizeof (*seg));
640 fsh = (svm_fifo_segment_header_t *) sh->opaque[0];
642 while (vec_len (fsh->fifos) < 2)
645 pool_get (utm->sessions, session);
646 utm->cut_through_session_index = session - utm->sessions;
648 session->server_rx_fifo = (svm_fifo_t *) fsh->fifos[0];
649 ASSERT (session->server_rx_fifo);
650 session->server_tx_fifo = (svm_fifo_t *) fsh->fifos[1];
651 ASSERT (session->server_tx_fifo);
653 /* security: could unlink /dev/shm/<mp->segment_name> here, maybe */
655 utm->state = STATE_READY;
658 #define foreach_uri_msg \
659 _(BIND_URI_REPLY, bind_uri_reply) \
660 _(CONNECT_URI, connect_uri) \
661 _(CONNECT_URI_REPLY, connect_uri_reply) \
662 _(UNBIND_URI_REPLY, unbind_uri_reply) \
663 _(ACCEPT_SESSION, accept_session) \
664 _(DISCONNECT_SESSION, disconnect_session) \
665 _(MAP_ANOTHER_SEGMENT, map_another_segment)
668 uri_api_hookup (uri_udp_test_main_t * utm)
671 vl_msg_api_set_handlers(VL_API_##N, #n, \
672 vl_api_##n##_t_handler, \
674 vl_api_##n##_t_endian, \
675 vl_api_##n##_t_print, \
676 sizeof(vl_api_##n##_t), 1);
684 connect_to_vpp (char *name)
686 uri_udp_test_main_t *utm = &uri_udp_test_main;
687 api_main_t *am = &api_main;
689 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
692 utm->vl_input_queue = am->shmem_hdr->vl_input_queue;
693 utm->my_client_index = am->my_client_index;
699 vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
701 clib_warning ("BUG");
705 init_error_string_table (uri_udp_test_main_t * utm)
707 utm->error_string_by_error_number = hash_create (0, sizeof (uword));
709 #define _(n,v,s) hash_set (utm->error_string_by_error_number, -v, s);
710 foreach_vnet_api_error;
713 hash_set (utm->error_string_by_error_number, 99, "Misc");
717 server_handle_fifo_event_rx (uri_udp_test_main_t * utm,
718 session_fifo_event_t * e)
720 svm_fifo_t *rx_fifo, *tx_fifo;
723 session_fifo_event_t evt;
724 unix_shared_memory_queue_t *q;
728 tx_fifo = utm->sessions[rx_fifo->client_session_index].server_tx_fifo;
732 nbytes = svm_fifo_dequeue_nowait (rx_fifo, 0,
733 vec_len (utm->rx_buf), utm->rx_buf);
738 rv = svm_fifo_enqueue_nowait (tx_fifo, 0, nbytes, utm->rx_buf);
742 /* Fabricate TX event, send to vpp */
744 evt.event_type = FIFO_EVENT_SERVER_TX;
745 evt.event_id = e->event_id;
747 if (svm_fifo_set_event (tx_fifo))
749 q = utm->vpp_event_queue;
750 unix_shared_memory_queue_add (q, (u8 *) & evt,
751 0 /* do wait for mutex */ );
756 server_handle_event_queue (uri_udp_test_main_t * utm)
758 session_fifo_event_t _e, *e = &_e;
762 unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
764 switch (e->event_type)
766 case FIFO_EVENT_SERVER_RX:
767 server_handle_fifo_event_rx (utm, e);
770 case FIFO_EVENT_SERVER_EXIT:
774 clib_warning ("unknown event type %d", e->event_type);
777 if (PREDICT_FALSE (utm->time_to_stop == 1))
779 if (PREDICT_FALSE (utm->time_to_print_stats == 1))
781 utm->time_to_print_stats = 0;
782 fformat (stdout, "%d connections\n", pool_elts (utm->sessions));
788 uri_udp_test (uri_udp_test_main_t * utm)
790 vl_api_bind_uri_t *bmp;
791 vl_api_unbind_uri_t *ump;
793 bmp = vl_msg_api_alloc (sizeof (*bmp));
794 memset (bmp, 0, sizeof (*bmp));
796 bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
797 bmp->client_index = utm->my_client_index;
798 bmp->context = ntohl (0xfeedface);
799 bmp->initial_segment_size = 256 << 20; /* size of initial segment */
800 bmp->options[SESSION_OPTIONS_FLAGS] =
801 SESSION_OPTIONS_FLAGS_USE_FIFO | SESSION_OPTIONS_FLAGS_ADD_SEGMENT;
802 bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = 16 << 10;
803 bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = 16 << 10;
804 bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
805 memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
806 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
808 if (wait_for_state_change (utm, STATE_READY))
810 clib_warning ("timeout waiting for STATE_READY");
814 server_handle_event_queue (utm);
816 ump = vl_msg_api_alloc (sizeof (*ump));
817 memset (ump, 0, sizeof (*ump));
819 ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
820 ump->client_index = utm->my_client_index;
821 memcpy (ump->uri, utm->uri, vec_len (utm->uri));
822 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & ump);
824 if (wait_for_state_change (utm, STATE_START))
826 clib_warning ("timeout waiting for STATE_START");
830 fformat (stdout, "Test complete...\n");
834 main (int argc, char **argv)
836 uri_udp_test_main_t *utm = &uri_udp_test_main;
837 unformat_input_t _argv, *a = &_argv;
840 u8 *bind_name = (u8 *) "udp://0.0.0.0/1234";
847 clib_mem_init (0, 256 << 20);
849 heap = clib_mem_get_per_cpu_heap ();
850 h = mheap_header (heap);
852 /* make the main heap thread-safe */
853 h->flags |= MHEAP_FLAG_THREAD_SAFE;
855 vec_validate (utm->rx_buf, 8192);
857 utm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
859 utm->my_pid = getpid ();
860 utm->configured_segment_size = 1 << 20;
862 clib_time_init (&utm->clib_time);
863 init_error_string_table (utm);
864 svm_fifo_segment_init (0x200000000ULL, 20);
865 unformat_init_command_line (a, argv);
867 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
869 if (unformat (a, "chroot prefix %s", &chroot_prefix))
871 vl_set_memory_root_path ((char *) chroot_prefix);
873 else if (unformat (a, "uri %s", &bind_name))
875 else if (unformat (a, "segment-size %dM", &tmp))
876 utm->configured_segment_size = tmp << 20;
877 else if (unformat (a, "segment-size %dG", &tmp))
878 utm->configured_segment_size = tmp << 30;
879 else if (unformat (a, "master"))
881 else if (unformat (a, "slave"))
885 fformat (stderr, "%s: usage [master|slave]\n");
890 utm->cut_through_session_index = ~0;
891 utm->uri = format (0, "%s%c", bind_name, 0);
892 utm->i_am_master = i_am_master;
893 utm->segment_main = &svm_fifo_segment_main;
895 utm->connect_uri = format (0, "udp://10.0.0.1/1234%c", 0);
897 setup_signal_handlers ();
899 uri_api_hookup (utm);
901 if (connect_to_vpp (i_am_master ? "uri_udp_master" : "uri_udp_slave") < 0)
904 fformat (stderr, "Couldn't connect to vpe, exiting...\n");
908 if (i_am_master == 0)
910 uri_udp_slave_test (utm);
914 /* $$$$ hack preallocation */
915 for (i = 0; i < 200000; i++)
917 pool_get (utm->sessions, session);
918 memset (session, 0, sizeof (*session));
920 for (i = 0; i < 200000; i++)
921 pool_put_index (utm->sessions, i);
925 vl_client_disconnect_from_vlib ();
929 #undef vl_api_version
930 #define vl_api_version(n,v) static u32 vpe_api_version = v;
931 #include <vpp/api/vpe.api.h>
932 #undef vl_api_version
935 vl_client_add_api_signatures (vl_api_memclnt_create_t * mp)
938 * Send the main API signature in slot 0. This bit of code must
939 * match the checks in ../vpe/api/api.c: vl_msg_api_version_check().
941 mp->api_versions[0] = clib_host_to_net_u32 (vpe_api_version);
951 * fd.io coding-style-patch-verification: ON
954 * eval: (c-set-style "gnu")