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.
18 #include <svm/svm_fifo_segment.h>
19 #include <vlibmemory/api.h>
20 #include <vpp/api/vpe_msg_enum.h>
21 #include <vnet/session/application_interface.h>
23 #define vl_typedefs /* define message structures */
24 #include <vpp/api/vpe_all_api_h.h>
27 /* declare message handlers for each api */
29 #define vl_endianfun /* define message structures */
30 #include <vpp/api/vpe_all_api_h.h>
33 /* instantiate all the print functions we know about */
34 #define vl_print(handle, ...)
36 #include <vpp/api/vpe_all_api_h.h>
41 svm_fifo_t *server_rx_fifo;
42 svm_fifo_t *server_tx_fifo;
44 u64 vpp_session_handle;
61 unix_shared_memory_queue_t *vl_input_queue;
63 /* API client handle */
66 /* The URI we're playing with */
72 /* Hash table for disconnect processing */
73 uword *session_index_by_vpp_handles;
75 /* intermediate rx buffer */
78 /* URI for slave's connect */
81 u32 connected_session_index;
85 /* drop all packets */
89 unix_shared_memory_queue_t *our_event_queue;
91 /* $$$ single thread only for the moment */
92 unix_shared_memory_queue_t *vpp_event_queue;
96 /* For deadman timers */
97 clib_time_t clib_time;
99 /* State of the connection, shared between msg RX thread and main thread */
100 volatile connection_state_t state;
102 /* Signal variables */
103 volatile int time_to_stop;
104 volatile int time_to_print_stats;
106 u32 configured_segment_size;
108 /* VNET_API_ERROR_FOO -> "Foo" hash table */
109 uword *error_string_by_error_number;
111 u8 *connect_test_data;
112 pthread_t client_rx_thread_handle;
113 u32 client_bytes_received;
114 u8 test_return_packets;
118 svm_fifo_segment_main_t *segment_main;
119 } uri_tcp_test_main_t;
121 uri_tcp_test_main_t uri_tcp_test_main;
126 #define NITER 4000000
130 format_api_error (u8 * s, va_list * args)
132 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
133 i32 error = va_arg (*args, u32);
136 p = hash_get (utm->error_string_by_error_number, -error);
139 s = format (s, "%s", p[0]);
141 s = format (s, "%d", error);
146 init_error_string_table (uri_tcp_test_main_t * utm)
148 utm->error_string_by_error_number = hash_create (0, sizeof (uword));
150 #define _(n,v,s) hash_set (utm->error_string_by_error_number, -v, s);
151 foreach_vnet_api_error;
154 hash_set (utm->error_string_by_error_number, 99, "Misc");
158 wait_for_state_change (uri_tcp_test_main_t * utm, connection_state_t state)
161 #define TIMEOUT 600.0
163 #define TIMEOUT 600.0
166 f64 timeout = clib_time_now (&utm->clib_time) + TIMEOUT;
168 while (clib_time_now (&utm->clib_time) < timeout)
170 if (utm->state == state)
172 if (utm->state == STATE_FAILED)
174 if (utm->time_to_stop == 1)
177 clib_warning ("timeout waiting for STATE_READY");
182 application_send_attach (uri_tcp_test_main_t * utm)
184 vl_api_application_attach_t *bmp;
185 u32 fifo_size = 4 << 20;
186 bmp = vl_msg_api_alloc (sizeof (*bmp));
187 memset (bmp, 0, sizeof (*bmp));
189 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
190 bmp->client_index = utm->my_client_index;
191 bmp->context = ntohl (0xfeedface);
192 bmp->options[APP_OPTIONS_FLAGS] =
193 APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT;
194 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 16;
195 bmp->options[SESSION_OPTIONS_RX_FIFO_SIZE] = fifo_size;
196 bmp->options[SESSION_OPTIONS_TX_FIFO_SIZE] = fifo_size;
197 bmp->options[SESSION_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
198 bmp->options[SESSION_OPTIONS_SEGMENT_SIZE] = 256 << 20;
199 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
203 application_attach (uri_tcp_test_main_t * utm)
205 application_send_attach (utm);
206 if (wait_for_state_change (utm, STATE_ATTACHED))
208 clib_warning ("timeout waiting for STATE_ATTACHED");
215 application_detach (uri_tcp_test_main_t * utm)
217 vl_api_application_detach_t *bmp;
218 bmp = vl_msg_api_alloc (sizeof (*bmp));
219 memset (bmp, 0, sizeof (*bmp));
221 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
222 bmp->client_index = utm->my_client_index;
223 bmp->context = ntohl (0xfeedface);
224 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
228 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
231 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
232 svm_fifo_segment_create_args_t _a, *a = &_a;
237 clib_warning ("attach failed: %U", format_api_error,
238 clib_net_to_host_u32 (mp->retval));
239 utm->state = STATE_FAILED;
243 if (mp->segment_name_length == 0)
245 clib_warning ("segment_name_length zero");
249 a->segment_name = (char *) mp->segment_name;
250 a->segment_size = mp->segment_size;
252 ASSERT (mp->app_event_queue_address);
254 /* Attach to the segment vpp created */
255 rv = svm_fifo_segment_attach (a);
258 clib_warning ("svm_fifo_segment_attach ('%s') failed",
263 utm->our_event_queue =
264 uword_to_pointer (mp->app_event_queue_address,
265 unix_shared_memory_queue_t *);
266 utm->state = STATE_ATTACHED;
270 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
274 clib_warning ("detach returned with err: %d", mp->retval);
278 stop_signal (int signum)
280 uri_tcp_test_main_t *um = &uri_tcp_test_main;
282 um->time_to_stop = 1;
286 stats_signal (int signum)
288 uri_tcp_test_main_t *um = &uri_tcp_test_main;
290 um->time_to_print_stats = 1;
293 static clib_error_t *
294 setup_signal_handlers (void)
296 signal (SIGINT, stats_signal);
297 signal (SIGQUIT, stop_signal);
298 signal (SIGTERM, stop_signal);
304 vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
306 clib_warning ("BUG");
310 connect_to_vpp (char *name)
312 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
313 api_main_t *am = &api_main;
315 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
318 utm->vl_input_queue = am->shmem_hdr->vl_input_queue;
319 utm->my_client_index = am->my_client_index;
325 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
327 svm_fifo_segment_create_args_t _a, *a = &_a;
330 memset (a, 0, sizeof (*a));
331 a->segment_name = (char *) mp->segment_name;
332 a->segment_size = mp->segment_size;
333 /* Attach to the segment vpp created */
334 rv = svm_fifo_segment_attach (a);
337 clib_warning ("svm_fifo_segment_attach ('%s') failed",
341 clib_warning ("Mapped new segment '%s' size %d", mp->segment_name,
346 session_print_stats (uri_tcp_test_main_t * utm, session_t * session)
351 deltat = clib_time_now (&utm->clib_time) - session->start;
352 bytes = utm->i_am_master ? session->bytes_received : utm->bytes_to_send;
353 fformat (stdout, "Finished in %.6f\n", deltat);
354 fformat (stdout, "%.4f Gbit/second\n", (bytes * 8.0) / deltat / 1e9);
358 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
360 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
361 session_t *session = 0;
362 vl_api_disconnect_session_reply_t *rmp;
366 p = hash_get (utm->session_index_by_vpp_handles, mp->handle);
370 session = pool_elt_at_index (utm->sessions, p[0]);
371 hash_unset (utm->session_index_by_vpp_handles, mp->handle);
372 pool_put (utm->sessions, session);
376 clib_warning ("couldn't find session key %llx", mp->handle);
380 // utm->time_to_stop = 1;
382 rmp = vl_msg_api_alloc (sizeof (*rmp));
383 memset (rmp, 0, sizeof (*rmp));
385 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
387 rmp->handle = mp->handle;
388 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
391 session_print_stats (utm, session);
395 vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
397 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
398 vl_api_reset_session_reply_t *rmp;
402 p = hash_get (utm->session_index_by_vpp_handles, mp->handle);
406 clib_warning ("got reset");
408 utm->time_to_stop = 1;
412 clib_warning ("couldn't find session key %llx", mp->handle);
416 rmp = vl_msg_api_alloc (sizeof (*rmp));
417 memset (rmp, 0, sizeof (*rmp));
418 rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
420 rmp->handle = mp->handle;
421 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
425 client_handle_fifo_event_rx (uri_tcp_test_main_t * utm,
426 session_fifo_event_t * e)
429 int n_read, bytes, i;
433 bytes = svm_fifo_max_dequeue (rx_fifo);
434 /* Allow enqueuing of new event */
435 svm_fifo_unset_event (rx_fifo);
440 n_read = svm_fifo_dequeue_nowait (rx_fifo,
441 clib_min (vec_len (utm->rx_buf),
442 bytes), utm->rx_buf);
446 if (utm->test_return_packets)
448 for (i = 0; i < n_read; i++)
451 != ((utm->client_bytes_received + i) & 0xff))
453 clib_warning ("error at byte %lld, 0x%x not 0x%x",
454 utm->client_bytes_received + i,
456 ((utm->client_bytes_received +
461 utm->client_bytes_received += n_read;
467 // clib_warning ("weird!");
477 client_handle_event_queue (uri_tcp_test_main_t * utm)
479 session_fifo_event_t _e, *e = &_e;;
481 unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
483 switch (e->event_type)
485 case FIFO_EVENT_APP_RX:
486 client_handle_fifo_event_rx (utm, e);
489 case FIFO_EVENT_DISCONNECT:
493 clib_warning ("unknown event type %d", e->event_type);
499 client_rx_thread_fn (void *arg)
501 session_fifo_event_t _e, *e = &_e;
502 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
504 utm->client_bytes_received = 0;
507 unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
509 switch (e->event_type)
511 case FIFO_EVENT_APP_RX:
512 client_handle_fifo_event_rx (utm, e);
515 case FIFO_EVENT_DISCONNECT:
518 clib_warning ("unknown event type %d", e->event_type);
522 if (PREDICT_FALSE (utm->time_to_stop == 1))
530 vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
532 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
535 svm_fifo_t *rx_fifo, *tx_fifo;
540 clib_warning ("connection failed with code: %U", format_api_error,
541 clib_net_to_host_u32 (mp->retval));
542 utm->state = STATE_FAILED;
547 clib_warning ("connected with local ip %U port %d", format_ip46_address,
548 mp->lcl_ip, mp->is_ip4,
549 clib_net_to_host_u16 (mp->lcl_port));
552 utm->vpp_event_queue =
553 uword_to_pointer (mp->vpp_event_queue_address,
554 unix_shared_memory_queue_t *);
560 pool_get (utm->sessions, session);
561 session_index = session - utm->sessions;
563 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
564 rx_fifo->client_session_index = session_index;
565 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
566 tx_fifo->client_session_index = session_index;
568 session->server_rx_fifo = rx_fifo;
569 session->server_tx_fifo = tx_fifo;
570 session->vpp_session_handle = mp->handle;
571 session->start = clib_time_now (&utm->clib_time);
574 utm->connected_session_index = session_index;
575 utm->state = STATE_READY;
577 /* Add it to lookup table */
578 hash_set (utm->session_index_by_vpp_handles, mp->handle, session_index);
580 /* Start RX thread */
581 rv = pthread_create (&utm->client_rx_thread_handle,
582 NULL /*attr */ , client_rx_thread_fn, 0);
585 clib_warning ("pthread_create returned %d", rv);
586 rv = VNET_API_ERROR_SYSCALL_ERROR_1;
591 send_test_chunk (uri_tcp_test_main_t * utm, svm_fifo_t * tx_fifo, int mypid,
594 u8 *test_data = utm->connect_test_data;
596 int test_buf_offset = 0;
598 u32 queue_max_chunk = 128 << 10, actual_write;
599 session_fifo_event_t evt;
602 bytes_to_snd = (bytes == 0) ? vec_len (test_data) : bytes;
603 if (bytes_to_snd > vec_len (test_data))
604 bytes_to_snd = vec_len (test_data);
606 while (bytes_to_snd > 0 && !utm->time_to_stop)
608 actual_write = (bytes_to_snd > queue_max_chunk) ?
609 queue_max_chunk : bytes_to_snd;
610 rv = svm_fifo_enqueue_nowait (tx_fifo, actual_write,
611 test_data + test_buf_offset);
616 test_buf_offset += rv;
619 if (svm_fifo_set_event (tx_fifo))
621 /* Fabricate TX event, send to vpp */
623 evt.event_type = FIFO_EVENT_APP_TX;
625 unix_shared_memory_queue_add (utm->vpp_event_queue,
627 0 /* do wait for mutex */ );
634 client_send_data (uri_tcp_test_main_t * utm)
636 u8 *test_data = utm->connect_test_data;
637 int mypid = getpid ();
640 u32 n_iterations, leftover;
643 session = pool_elt_at_index (utm->sessions, utm->connected_session_index);
644 tx_fifo = session->server_tx_fifo;
646 ASSERT (vec_len (test_data) > 0);
648 vec_validate (utm->rx_buf, vec_len (test_data) - 1);
649 n_iterations = utm->bytes_to_send / vec_len (test_data);
651 for (i = 0; i < n_iterations; i++)
653 send_test_chunk (utm, tx_fifo, mypid, 0);
654 if (utm->time_to_stop)
658 leftover = utm->bytes_to_send % vec_len (test_data);
660 send_test_chunk (utm, tx_fifo, mypid, leftover);
662 if (!utm->drop_packets)
664 f64 timeout = clib_time_now (&utm->clib_time) + 10;
666 /* Wait for the outstanding packets */
667 while (utm->client_bytes_received <
668 vec_len (test_data) * n_iterations + leftover)
670 if (clib_time_now (&utm->clib_time) > timeout)
672 clib_warning ("timed out waiting for the missing packets");
677 utm->time_to_stop = 1;
681 client_send_connect (uri_tcp_test_main_t * utm)
683 vl_api_connect_uri_t *cmp;
684 cmp = vl_msg_api_alloc (sizeof (*cmp));
685 memset (cmp, 0, sizeof (*cmp));
687 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_URI);
688 cmp->client_index = utm->my_client_index;
689 cmp->context = ntohl (0xfeedface);
690 memcpy (cmp->uri, utm->connect_uri, vec_len (utm->connect_uri));
691 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & cmp);
695 client_connect (uri_tcp_test_main_t * utm)
697 client_send_connect (utm);
698 if (wait_for_state_change (utm, STATE_READY))
700 clib_warning ("Connect failed");
707 client_send_disconnect (uri_tcp_test_main_t * utm)
709 session_t *connected_session;
710 vl_api_disconnect_session_t *dmp;
711 connected_session = pool_elt_at_index (utm->sessions,
712 utm->connected_session_index);
713 dmp = vl_msg_api_alloc (sizeof (*dmp));
714 memset (dmp, 0, sizeof (*dmp));
715 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
716 dmp->client_index = utm->my_client_index;
717 dmp->handle = connected_session->vpp_session_handle;
718 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & dmp);
722 client_disconnect (uri_tcp_test_main_t * utm)
724 client_send_disconnect (utm);
725 clib_warning ("Sent disconnect");
726 if (wait_for_state_change (utm, STATE_START))
728 clib_warning ("Disconnect failed");
735 client_test (uri_tcp_test_main_t * utm)
739 if (application_attach (utm))
742 if (client_connect (utm))
744 application_detach (utm);
749 vec_validate (utm->connect_test_data, 128 * 1024 - 1);
750 for (i = 0; i < vec_len (utm->connect_test_data); i++)
751 utm->connect_test_data[i] = i & 0xff;
754 client_send_data (utm);
757 client_disconnect (utm);
759 application_detach (utm);
763 vl_api_bind_uri_reply_t_handler (vl_api_bind_uri_reply_t * mp)
765 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
769 clib_warning ("bind failed: %U", format_api_error,
770 clib_net_to_host_u32 (mp->retval));
771 utm->state = STATE_FAILED;
775 utm->state = STATE_READY;
779 vl_api_unbind_uri_reply_t_handler (vl_api_unbind_uri_reply_t * mp)
781 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
784 clib_warning ("returned %d", ntohl (mp->retval));
786 utm->state = STATE_START;
790 format_ip4_address (u8 * s, va_list * args)
792 u8 *a = va_arg (*args, u8 *);
793 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
797 format_ip6_address (u8 * s, va_list * args)
799 ip6_address_t *a = va_arg (*args, ip6_address_t *);
800 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
802 i_max_n_zero = ARRAY_LEN (a->as_u16);
804 i_first_zero = i_max_n_zero;
806 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
808 u32 is_zero = a->as_u16[i] == 0;
809 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
815 if ((!is_zero && n_zeros > max_n_zeros)
816 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
818 i_max_n_zero = i_first_zero;
819 max_n_zeros = n_zeros;
820 i_first_zero = ARRAY_LEN (a->as_u16);
825 last_double_colon = 0;
826 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
828 if (i == i_max_n_zero && max_n_zeros > 1)
830 s = format (s, "::");
831 i += max_n_zeros - 1;
832 last_double_colon = 1;
836 s = format (s, "%s%x",
837 (last_double_colon || i == 0) ? "" : ":",
838 clib_net_to_host_u16 (a->as_u16[i]));
839 last_double_colon = 0;
846 /* Format an IP46 address. */
848 format_ip46_address (u8 * s, va_list * args)
850 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
851 ip46_type_t type = va_arg (*args, ip46_type_t);
857 is_ip4 = ip46_address_is_ip4 (ip46);
868 format (s, "%U", format_ip4_address, &ip46->ip4) :
869 format (s, "%U", format_ip6_address, &ip46->ip6);
873 vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
875 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
876 vl_api_accept_session_reply_t *rmp;
877 svm_fifo_t *rx_fifo, *tx_fifo;
879 static f64 start_time;
883 if (start_time == 0.0)
884 start_time = clib_time_now (&utm->clib_time);
886 ip_str = format (0, "%U", format_ip46_address, &mp->ip, mp->is_ip4);
887 clib_warning ("Accepted session from: %s:%d", ip_str,
888 clib_net_to_host_u16 (mp->port));
889 utm->vpp_event_queue =
890 uword_to_pointer (mp->vpp_event_queue_address,
891 unix_shared_memory_queue_t *);
893 /* Allocate local session and set it up */
894 pool_get (utm->sessions, session);
895 session_index = session - utm->sessions;
897 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
898 rx_fifo->client_session_index = session_index;
899 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
900 tx_fifo->client_session_index = session_index;
902 session->server_rx_fifo = rx_fifo;
903 session->server_tx_fifo = tx_fifo;
905 /* Add it to lookup table */
906 hash_set (utm->session_index_by_vpp_handles, mp->handle, session_index);
908 utm->state = STATE_READY;
911 if (pool_elts (utm->sessions) && (pool_elts (utm->sessions) % 20000) == 0)
913 f64 now = clib_time_now (&utm->clib_time);
914 fformat (stdout, "%d active sessions in %.2f seconds, %.2f/sec...\n",
915 pool_elts (utm->sessions), now - start_time,
916 (f64) pool_elts (utm->sessions) / (now - start_time));
920 * Send accept reply to vpp
922 rmp = vl_msg_api_alloc (sizeof (*rmp));
923 memset (rmp, 0, sizeof (*rmp));
924 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
925 rmp->handle = mp->handle;
926 rmp->context = mp->context;
927 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & rmp);
929 session->bytes_received = 0;
930 session->start = clib_time_now (&utm->clib_time);
934 server_handle_fifo_event_rx (uri_tcp_test_main_t * utm,
935 session_fifo_event_t * e)
937 svm_fifo_t *rx_fifo, *tx_fifo;
939 session_fifo_event_t evt;
940 unix_shared_memory_queue_t *q;
943 u32 max_dequeue, offset, max_transfer, rx_buf_len;
945 rx_buf_len = vec_len (utm->rx_buf);
947 session = &utm->sessions[rx_fifo->client_session_index];
948 tx_fifo = session->server_tx_fifo;
950 max_dequeue = svm_fifo_max_dequeue (rx_fifo);
951 /* Allow enqueuing of a new event */
952 svm_fifo_unset_event (rx_fifo);
954 if (PREDICT_FALSE (max_dequeue == 0))
959 /* Read the max_dequeue */
962 max_transfer = clib_min (rx_buf_len, max_dequeue);
963 n_read = svm_fifo_dequeue_nowait (rx_fifo, max_transfer, utm->rx_buf);
966 max_dequeue -= n_read;
967 session->bytes_received += n_read;
970 /* Reflect if a non-drop session */
971 if (!utm->drop_packets && n_read > 0)
976 rv = svm_fifo_enqueue_nowait (tx_fifo, n_read,
977 &utm->rx_buf[offset]);
984 while ((rv <= 0 || n_read > 0) && !utm->time_to_stop);
986 /* If event wasn't set, add one */
987 if (svm_fifo_set_event (tx_fifo))
989 /* Fabricate TX event, send to vpp */
991 evt.event_type = FIFO_EVENT_APP_TX;
993 q = utm->vpp_event_queue;
994 unix_shared_memory_queue_add (q, (u8 *) & evt,
995 1 /* do wait for mutex */ );
999 while ((n_read < 0 || max_dequeue > 0) && !utm->time_to_stop);
1003 server_handle_event_queue (uri_tcp_test_main_t * utm)
1005 session_fifo_event_t _e, *e = &_e;
1009 unix_shared_memory_queue_sub (utm->our_event_queue, (u8 *) e,
1011 switch (e->event_type)
1013 case FIFO_EVENT_APP_RX:
1014 server_handle_fifo_event_rx (utm, e);
1017 case FIFO_EVENT_DISCONNECT:
1021 clib_warning ("unknown event type %d", e->event_type);
1024 if (PREDICT_FALSE (utm->time_to_stop == 1))
1026 if (PREDICT_FALSE (utm->time_to_print_stats == 1))
1028 utm->time_to_print_stats = 0;
1029 fformat (stdout, "%d connections\n", pool_elts (utm->sessions));
1035 server_send_listen (uri_tcp_test_main_t * utm)
1037 vl_api_bind_uri_t *bmp;
1038 bmp = vl_msg_api_alloc (sizeof (*bmp));
1039 memset (bmp, 0, sizeof (*bmp));
1041 bmp->_vl_msg_id = ntohs (VL_API_BIND_URI);
1042 bmp->client_index = utm->my_client_index;
1043 bmp->context = ntohl (0xfeedface);
1044 memcpy (bmp->uri, utm->uri, vec_len (utm->uri));
1045 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & bmp);
1049 server_listen (uri_tcp_test_main_t * utm)
1051 server_send_listen (utm);
1052 if (wait_for_state_change (utm, STATE_READY))
1054 clib_warning ("timeout waiting for STATE_READY");
1061 server_send_unbind (uri_tcp_test_main_t * utm)
1063 vl_api_unbind_uri_t *ump;
1065 ump = vl_msg_api_alloc (sizeof (*ump));
1066 memset (ump, 0, sizeof (*ump));
1068 ump->_vl_msg_id = ntohs (VL_API_UNBIND_URI);
1069 ump->client_index = utm->my_client_index;
1070 memcpy (ump->uri, utm->uri, vec_len (utm->uri));
1071 vl_msg_api_send_shmem (utm->vl_input_queue, (u8 *) & ump);
1075 server_unbind (uri_tcp_test_main_t * utm)
1077 server_send_unbind (utm);
1078 if (wait_for_state_change (utm, STATE_START))
1080 clib_warning ("timeout waiting for STATE_START");
1087 server_test (uri_tcp_test_main_t * utm)
1089 if (application_attach (utm))
1093 if (server_listen (utm))
1096 /* Enter handle event loop */
1097 server_handle_event_queue (utm);
1100 server_send_unbind (utm);
1102 application_detach (utm);
1104 fformat (stdout, "Test complete...\n");
1108 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
1111 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
1116 clib_warning ("vpp complained about disconnect: %d",
1117 ntohl (mp->retval));
1120 utm->state = STATE_START;
1121 session = pool_elt_at_index (utm->sessions, utm->connected_session_index);
1123 session_print_stats (utm, session);
1126 #define foreach_uri_msg \
1127 _(BIND_URI_REPLY, bind_uri_reply) \
1128 _(UNBIND_URI_REPLY, unbind_uri_reply) \
1129 _(ACCEPT_SESSION, accept_session) \
1130 _(CONNECT_SESSION_REPLY, connect_session_reply) \
1131 _(DISCONNECT_SESSION, disconnect_session) \
1132 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1133 _(RESET_SESSION, reset_session) \
1134 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1135 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1136 _(MAP_ANOTHER_SEGMENT, map_another_segment) \
1139 uri_api_hookup (uri_tcp_test_main_t * utm)
1142 vl_msg_api_set_handlers(VL_API_##N, #n, \
1143 vl_api_##n##_t_handler, \
1145 vl_api_##n##_t_endian, \
1146 vl_api_##n##_t_print, \
1147 sizeof(vl_api_##n##_t), 1);
1153 main (int argc, char **argv)
1155 uri_tcp_test_main_t *utm = &uri_tcp_test_main;
1156 unformat_input_t _argv, *a = &_argv;
1159 u8 *bind_uri = (u8 *) "tcp://0.0.0.0/1234";
1160 u8 *connect_uri = (u8 *) "tcp://6.0.1.2/1234";
1161 u64 bytes_to_send = 64 << 10, mbytes;
1166 int i_am_master = 1, drop_packets = 0, test_return_packets = 0;
1168 clib_mem_init (0, 256 << 20);
1170 heap = clib_mem_get_per_cpu_heap ();
1171 h = mheap_header (heap);
1173 /* make the main heap thread-safe */
1174 h->flags |= MHEAP_FLAG_THREAD_SAFE;
1176 vec_validate (utm->rx_buf, 128 << 10);
1178 utm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1180 utm->my_pid = getpid ();
1181 utm->configured_segment_size = 1 << 20;
1183 clib_time_init (&utm->clib_time);
1184 init_error_string_table (utm);
1185 svm_fifo_segment_init (0x200000000ULL, 20);
1186 unformat_init_command_line (a, argv);
1188 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1190 if (unformat (a, "chroot prefix %s", &chroot_prefix))
1192 vl_set_memory_root_path ((char *) chroot_prefix);
1194 else if (unformat (a, "uri %s", &uri))
1196 else if (unformat (a, "segment-size %dM", &tmp))
1197 utm->configured_segment_size = tmp << 20;
1198 else if (unformat (a, "segment-size %dG", &tmp))
1199 utm->configured_segment_size = tmp << 30;
1200 else if (unformat (a, "master"))
1202 else if (unformat (a, "slave"))
1204 else if (unformat (a, "drop"))
1206 else if (unformat (a, "test"))
1207 test_return_packets = 1;
1208 else if (unformat (a, "mbytes %lld", &mbytes))
1210 bytes_to_send = mbytes << 20;
1212 else if (unformat (a, "gbytes %lld", &mbytes))
1214 bytes_to_send = mbytes << 30;
1218 fformat (stderr, "%s: usage [master|slave]\n");
1225 utm->uri = format (0, "%s%c", uri, 0);
1226 utm->connect_uri = format (0, "%s%c", uri, 0);
1230 utm->uri = format (0, "%s%c", bind_uri, 0);
1231 utm->connect_uri = format (0, "%s%c", connect_uri, 0);
1234 utm->i_am_master = i_am_master;
1235 utm->segment_main = &svm_fifo_segment_main;
1236 utm->drop_packets = drop_packets;
1237 utm->test_return_packets = test_return_packets;
1238 utm->bytes_to_send = bytes_to_send;
1239 utm->time_to_stop = 0;
1241 setup_signal_handlers ();
1242 uri_api_hookup (utm);
1244 if (connect_to_vpp (i_am_master ? "uri_tcp_server" : "uri_tcp_client") < 0)
1247 fformat (stderr, "Couldn't connect to vpe, exiting...\n");
1251 if (i_am_master == 0)
1254 vl_client_disconnect_from_vlib ();
1258 /* $$$$ hack preallocation */
1259 for (i = 0; i < 200000; i++)
1261 pool_get (utm->sessions, session);
1262 memset (session, 0, sizeof (*session));
1264 for (i = 0; i < 200000; i++)
1265 pool_put_index (utm->sessions, i);
1269 vl_client_disconnect_from_vlib ();
1274 * fd.io coding-style-patch-verification: ON
1277 * eval: (c-set-style "gnu")