2 * Copyright (c) 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:
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 <vlibmemory/api.h>
20 #include <svm/fifo_segment.h>
22 #include <hs_apps/sapi/vpp_echo_common.h>
24 echo_main_t echo_main;
27 echo_session_prealloc (echo_main_t * em)
29 /* We need to prealloc to avoid vec resize in threads */
30 echo_session_t *session;
32 for (i = 0; i < em->n_sessions; i++)
34 pool_get (em->sessions, session);
35 clib_memset (session, 0, sizeof (*session));
36 session->session_index = session - em->sessions;
37 session->listener_index = SESSION_INVALID_INDEX;
38 session->session_state = ECHO_SESSION_STATE_INITIAL;
43 echo_assert_test_suceeded (echo_main_t * em)
45 if (em->rx_results_diff)
46 CHECK_DIFF (ECHO_FAIL_TEST_ASSERT_RX_TOTAL, em->stats.rx_expected,
47 em->stats.rx_total, "Invalid amount of data received");
49 CHECK_SAME (ECHO_FAIL_TEST_ASSERT_RX_TOTAL, em->stats.rx_expected,
50 em->stats.rx_total, "Invalid amount of data received");
52 if (em->tx_results_diff)
53 CHECK_DIFF (ECHO_FAIL_TEST_ASSERT_TX_TOTAL, em->stats.tx_expected,
54 em->stats.tx_total, "Invalid amount of data sent");
56 CHECK_SAME (ECHO_FAIL_TEST_ASSERT_TX_TOTAL, em->stats.tx_expected,
57 em->stats.tx_total, "Invalid amount of data sent");
59 clib_spinlock_lock (&em->sid_vpp_handles_lock);
60 CHECK_SAME (ECHO_FAIL_TEST_ASSERT_ALL_SESSIONS_CLOSED,
61 0, hash_elts (em->session_index_by_vpp_handles),
62 "Some sessions are still open");
63 clib_spinlock_unlock (&em->sid_vpp_handles_lock);
67 echo_session_dequeue_notify (echo_session_t * s)
70 if (!svm_fifo_set_event (s->rx_fifo))
73 app_send_io_evt_to_vpp (s->vpp_evt_q, s->rx_fifo->master_session_index,
74 SESSION_IO_EVT_RX, SVM_Q_WAIT)))
75 ECHO_FAIL (ECHO_FAIL_SEND_IO_EVT, "app_send_io_evt_to_vpp errored %d",
77 svm_fifo_clear_deq_ntf (s->rx_fifo);
81 stop_signal (int signum)
83 echo_main_t *em = &echo_main;
88 connect_to_vpp (char *name)
90 echo_main_t *em = &echo_main;
91 api_main_t *am = vlibapi_get_main ();
95 if (vl_socket_client_connect ((char *) em->socket_name, name,
96 0 /* default rx, tx buffer */ ))
98 ECHO_FAIL (ECHO_FAIL_SOCKET_CONNECT, "socket connect failed");
102 if (vl_socket_client_init_shm (0, 1 /* want_pthread */ ))
104 ECHO_FAIL (ECHO_FAIL_INIT_SHM_API, "init shm api failed");
110 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
112 ECHO_FAIL (ECHO_FAIL_SHMEM_CONNECT, "shmem connect failed");
116 em->vl_input_queue = am->shmem_hdr->vl_input_queue;
117 em->my_client_index = am->my_client_index;
122 print_global_json_stats (echo_main_t * em)
125 format (0, "%U", echo_format_timing_event, em->timing.start_event);
127 format (0, "%U", echo_format_timing_event, em->timing.end_event);
128 u8 start_evt_missing = !(em->timing.events_sent & em->timing.start_event);
129 u8 end_evt_missing = (em->rx_results_diff || em->tx_results_diff) ? 0 :
130 !(em->timing.events_sent & em->timing.end_event);
131 f64 deltat = start_evt_missing || end_evt_missing ? 0 :
132 em->timing.end_time - em->timing.start_time;
134 if (start_evt_missing)
135 ECHO_FAIL (ECHO_FAIL_MISSING_START_EVENT,
136 "Expected event %v to happen, but it did not!", start_evt);
139 ECHO_FAIL (ECHO_FAIL_MISSING_END_EVENT,
140 "Expected event %v to happen, but it did not!", end_evt);
142 fformat (stdout, "vpp_echo JSON stats:\n{\n");
143 fformat (stdout, " \"role\": \"%s\",\n",
144 em->i_am_master ? "server" : "client");
145 fformat (stdout, " \"time\": \"%.9f\",\n", deltat);
146 fformat (stdout, " \"start_evt\": \"%v\",\n", start_evt);
147 fformat (stdout, " \"start_evt_missing\": \"%s\",\n",
148 start_evt_missing ? "True" : "False");
149 fformat (stdout, " \"end_evt\": \"%v\",\n", end_evt);
150 fformat (stdout, " \"end_evt_missing\": \"%s\",\n",
151 end_evt_missing ? "True" : "False");
152 fformat (stdout, " \"rx_data\": %lld,\n", em->stats.rx_total);
153 fformat (stdout, " \"tx_data\": %lld,\n", em->stats.tx_total);
154 fformat (stdout, " \"rx_bits_per_second\": %.1f,\n",
155 em->stats.rx_total * 8 / deltat);
156 fformat (stdout, " \"tx_bits_per_second\": %.1f,\n",
157 em->stats.tx_total * 8 / deltat);
158 fformat (stdout, " \"closing\": {\n");
159 fformat (stdout, " \"reset\": { \"q\": %d, \"s\": %d },\n",
160 em->stats.reset_count.q, em->stats.reset_count.s);
161 fformat (stdout, " \"recv evt\": { \"q\": %d, \"s\": %d },\n",
162 em->stats.close_count.q, em->stats.close_count.s);
163 fformat (stdout, " \"send evt\": { \"q\": %d, \"s\": %d },\n",
164 em->stats.active_count.q, em->stats.active_count.s);
165 fformat (stdout, " \"clean\": { \"q\": %d, \"s\": %d },\n",
166 em->stats.clean_count.q, em->stats.clean_count.s);
167 fformat (stdout, " \"accepted\": { \"q\": %d, \"s\": %d },\n",
168 em->stats.accepted_count.q, em->stats.accepted_count.s);
169 fformat (stdout, " \"connected\": { \"q\": %d, \"s\": %d }\n",
170 em->stats.connected_count.q, em->stats.connected_count.s);
171 fformat (stdout, " },\n");
172 fformat (stdout, " \"results\": {\n");
173 fformat (stdout, " \"has_failed\": \"%d\",\n", em->has_failed);
174 fformat (stdout, " \"fail_descr\": \"%v\"\n", em->fail_descr);
175 fformat (stdout, " }\n");
176 fformat (stdout, "}\n");
178 vec_free (start_evt);
183 print_global_stats (echo_main_t * em)
186 format (0, "%U", echo_format_timing_event, em->timing.start_event);
188 format (0, "%U", echo_format_timing_event, em->timing.end_event);
189 u8 start_evt_missing = !(em->timing.events_sent & em->timing.start_event);
190 u8 end_evt_missing = (em->rx_results_diff || em->tx_results_diff) ? 0 :
191 !(em->timing.events_sent & em->timing.end_event);
192 f64 deltat = start_evt_missing || end_evt_missing ? 0 :
193 em->timing.end_time - em->timing.start_time;
195 if (start_evt_missing)
196 ECHO_FAIL (ECHO_FAIL_MISSING_START_EVENT,
197 "Expected event %v to happen, but it did not!", start_evt);
200 ECHO_FAIL (ECHO_FAIL_MISSING_END_EVENT,
201 "Expected event %v to happen, but it did not!", end_evt);
203 fformat (stdout, "Timing %v:%v\n", start_evt, end_evt);
204 if (start_evt_missing)
205 fformat (stdout, "Missing Start Timing Event (%v)!\n", start_evt);
207 fformat (stdout, "Missing End Timing Event (%v)!\n", end_evt);
208 fformat (stdout, "-------- TX --------\n");
209 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.6f seconds\n",
210 em->stats.tx_total, em->stats.tx_total / (1ULL << 20),
211 em->stats.tx_total / (1ULL << 30), deltat);
213 fformat (stdout, "%.4f Gbit/second\n",
214 (em->stats.tx_total * 8.0) / deltat / 1e9);
215 fformat (stdout, "-------- RX --------\n");
216 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.6f seconds\n",
217 em->stats.rx_total, em->stats.rx_total / (1ULL << 20),
218 em->stats.rx_total / (1ULL << 30), deltat);
220 fformat (stdout, "%.4f Gbit/second\n",
221 (em->stats.rx_total * 8.0) / deltat / 1e9);
222 fformat (stdout, "--------------------\n");
223 fformat (stdout, "Received close on %d streams (and %d Quic conn)\n",
224 em->stats.close_count.s, em->stats.close_count.q);
225 fformat (stdout, "Received reset on %d streams (and %d Quic conn)\n",
226 em->stats.reset_count.s, em->stats.reset_count.q);
227 fformat (stdout, "Sent close on %d streams (and %d Quic conn)\n",
228 em->stats.active_count.s, em->stats.active_count.q);
229 fformat (stdout, "Discarded %d streams (and %d Quic conn)\n",
230 em->stats.clean_count.s, em->stats.clean_count.q);
231 fformat (stdout, "--------------------\n");
232 fformat (stdout, "Got accept on %d streams (and %d Quic conn)\n",
233 em->stats.accepted_count.s, em->stats.accepted_count.q);
234 fformat (stdout, "Got connected on %d streams (and %d Quic conn)\n",
235 em->stats.connected_count.s, em->stats.connected_count.q);
237 fformat (stdout, "\nFailure Return Status: %d\n%v", em->has_failed,
239 vec_free (start_evt);
244 echo_update_count_on_session_close (echo_main_t * em, echo_session_t * s)
247 ECHO_LOG (2, "[%lu/%lu] -> %U -> [%lu/%lu]",
248 s->bytes_received, s->bytes_received + s->bytes_to_receive,
249 echo_format_session, s, s->bytes_sent,
250 s->bytes_sent + s->bytes_to_send);
253 ((em->stats.rx_total == em->stats.rx_expected)
254 && (em->stats.tx_total == em->stats.tx_expected)))
255 echo_notify_event (em, ECHO_EVT_LAST_BYTE);
259 echo_free_sessions (echo_main_t * em)
261 /* Free marked sessions */
263 u32 *session_indexes = 0, *session_index;
266 pool_foreach (s, em->sessions,
268 if (s->session_state == ECHO_SESSION_STATE_CLOSED)
269 vec_add1 (session_indexes, s->session_index);}
272 vec_foreach (session_index, session_indexes)
275 s = pool_elt_at_index (em->sessions, *session_index);
276 echo_session_handle_add_del (em, s->vpp_session_handle,
277 SESSION_INVALID_INDEX);
278 clib_memset (s, 0xfe, sizeof (*s));
279 pool_put (em->sessions, s);
284 test_recv_bytes (echo_main_t * em, echo_session_t * s, u8 * rx_buf,
289 for (i = 0; i < n_read; i++)
291 expected = (s->bytes_received + i) & 0xff;
292 if (rx_buf[i] == expected || em->max_test_msg > 0)
294 ECHO_LOG (1, "Session 0x%lx byte %lld was 0x%x expected 0x%x",
295 s->vpp_session_handle, s->bytes_received + i, rx_buf[i],
298 if (em->max_test_msg == 0)
299 ECHO_LOG (1, "Too many errors, hiding next ones");
300 if (em->test_return_packets == RETURN_PACKETS_ASSERT)
301 ECHO_FAIL (ECHO_FAIL_TEST_BYTES_ERR, "test-bytes errored");
306 recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
309 n_read = app_recv ((app_session_t *) s, rx_buf, vec_len (rx_buf));
312 if (svm_fifo_needs_deq_ntf (s->rx_fifo, n_read))
313 echo_session_dequeue_notify (s);
315 if (em->test_return_packets)
316 test_recv_bytes (em, s, rx_buf, n_read);
318 s->bytes_received += n_read;
319 s->bytes_to_receive -= n_read;
320 clib_atomic_fetch_add (&em->stats.rx_total, n_read);
325 send_data_chunk (echo_session_t * s, u8 * tx_buf, int offset, int len)
328 int bytes_this_chunk = clib_min (s->bytes_to_send, len - offset);
329 echo_main_t *em = &echo_main;
331 if (!bytes_this_chunk)
333 n_sent = app_send ((app_session_t *) s, tx_buf + offset,
334 bytes_this_chunk, SVM_Q_WAIT);
337 s->bytes_to_send -= n_sent;
338 s->bytes_sent += n_sent;
339 clib_atomic_fetch_add (&em->stats.tx_total, n_sent);
344 mirror_data_chunk (echo_main_t * em, echo_session_t * s, u8 * tx_buf, u64 len)
347 while (n_sent < len && !em->time_to_stop)
348 n_sent += send_data_chunk (s, tx_buf, n_sent, len);
353 echo_check_closed_listener (echo_main_t * em, echo_session_t * s)
356 /* if parent has died, terminate gracefully */
357 if (s->listener_index == SESSION_INVALID_INDEX)
359 ECHO_LOG (3, "%U: listener_index == SESSION_INVALID_INDEX",
360 echo_format_session, s);
363 ls = pool_elt_at_index (em->sessions, s->listener_index);
364 if (ls->session_state < ECHO_SESSION_STATE_CLOSING)
366 ECHO_LOG (3, "%U: ls->session_state (%d) < "
367 "ECHO_SESSION_STATE_CLOSING (%d)",
368 echo_format_session, ls, ls->session_state,
369 ECHO_SESSION_STATE_CLOSING);
373 ECHO_LOG (3, "%U died, close child %U", echo_format_session, ls,
374 echo_format_session, s);
375 echo_update_count_on_session_close (em, s);
376 em->proto_cb_vft->cleanup_cb (s, 1 /* parent_died */ );
380 * Rx/Tx polling thread per connection
383 echo_handle_data (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
385 int n_read, n_sent = 0;
387 n_read = recv_data_chunk (em, s, rx_buf);
388 if ((em->data_source == ECHO_TEST_DATA_SOURCE) && s->bytes_to_send)
389 n_sent = send_data_chunk (s, em->connect_test_data,
390 s->bytes_sent % em->tx_buf_size,
392 else if (em->data_source == ECHO_RX_DATA_SOURCE)
393 n_sent = mirror_data_chunk (em, s, rx_buf, n_read);
394 if (!s->bytes_to_send && !s->bytes_to_receive)
396 /* Session is done, need to close */
397 if (s->session_state == ECHO_SESSION_STATE_AWAIT_DATA)
398 s->session_state = ECHO_SESSION_STATE_CLOSING;
401 s->session_state = ECHO_SESSION_STATE_AWAIT_CLOSING;
402 if (em->send_stream_disconnects == ECHO_CLOSE_F_ACTIVE)
404 echo_send_rpc (em, echo_send_disconnect_session,
405 (echo_rpc_args_t *) & s->vpp_session_handle);
406 clib_atomic_fetch_add (&em->stats.active_count.s, 1);
408 else if (em->send_stream_disconnects == ECHO_CLOSE_F_NONE)
410 s->session_state = ECHO_SESSION_STATE_CLOSING;
411 clib_atomic_fetch_add (&em->stats.clean_count.s, 1);
414 ECHO_LOG (3, "%U: %U", echo_format_session, s,
415 echo_format_session_state, s->session_state);
419 /* Check for idle clients */
422 if (n_sent || n_read)
424 else if (s->idle_cycles++ == LOG_EVERY_N_IDLE_CYCLES)
427 ECHO_LOG (2, "Idle client TX:%dB RX:%dB", s->bytes_to_send,
428 s->bytes_to_receive);
429 ECHO_LOG (2, "Idle FIFOs TX:%dB RX:%dB",
430 svm_fifo_max_dequeue (s->tx_fifo),
431 svm_fifo_max_dequeue (s->rx_fifo));
432 ECHO_LOG (2, "Session 0x%lx state %U", s->vpp_session_handle,
433 echo_format_session_state, s->session_state);
439 echo_data_thread_fn (void *arg)
441 clib_mem_set_thread_index (); /* First thing to do in client thread */
442 echo_main_t *em = &echo_main;
443 u32 N = em->n_clients;
444 u32 n = (N + em->n_rx_threads - 1) / em->n_rx_threads;
448 ECHO_LOG (2, "Thread %u exiting, no sessions to care for", idx);
451 u32 thread_n_sessions = clib_min (n, N - n * idx);
454 u32 n_closed_sessions = 0;
458 vec_validate (rx_buf, em->rx_buf_size);
460 for (i = 0; !em->time_to_stop; i = (i + 1) % thread_n_sessions)
462 n_closed_sessions = i == 0 ? 0 : n_closed_sessions;
463 session_index = em->data_thread_args[n * idx + i];
464 if (session_index == SESSION_INVALID_INDEX)
466 s = pool_elt_at_index (em->sessions, session_index);
467 switch (s->session_state)
469 case ECHO_SESSION_STATE_READY:
470 case ECHO_SESSION_STATE_AWAIT_DATA:
471 echo_handle_data (em, s, rx_buf);
472 echo_check_closed_listener (em, s);
474 case ECHO_SESSION_STATE_AWAIT_CLOSING:
475 ECHO_LOG (3, "%U: %U", echo_format_session, s,
476 echo_format_session_state, s->session_state);
477 echo_check_closed_listener (em, s);
479 case ECHO_SESSION_STATE_CLOSING:
480 ECHO_LOG (3, "%U: %U", echo_format_session, s,
481 echo_format_session_state, s->session_state);
482 echo_update_count_on_session_close (em, s);
483 em->proto_cb_vft->cleanup_cb (s, 0 /* parent_died */ );
485 case ECHO_SESSION_STATE_CLOSED:
486 ECHO_LOG (3, "%U: %U", echo_format_session, s,
487 echo_format_session_state, s->session_state);
491 if (n_closed_sessions == thread_n_sessions)
494 ECHO_LOG (2, "Mission accomplished!");
499 session_unlisten_handler (session_unlisten_reply_msg_t * mp)
502 echo_main_t *em = &echo_main;
504 ls = echo_get_session_from_handle (em, mp->handle);
507 em->proto_cb_vft->cleanup_cb (ls, 0 /* parent_died */ );
508 ls->session_state = ECHO_SESSION_STATE_CLOSED;
509 if (--em->listen_session_cnt == 0)
510 em->state = STATE_DISCONNECTED;
514 session_bound_handler (session_bound_msg_t * mp)
516 echo_main_t *em = &echo_main;
517 echo_session_t *listen_session;
520 ECHO_FAIL (ECHO_FAIL_BIND, "bind failed: %U", format_api_error,
521 clib_net_to_host_u32 (mp->retval));
524 ECHO_LOG (1, "listening on %U:%u", format_ip46_address, mp->lcl_ip,
525 mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
526 clib_net_to_host_u16 (mp->lcl_port));
528 /* Allocate local session and set it up */
529 listen_session = echo_session_new (em);
530 listen_session->session_type = ECHO_SESSION_TYPE_LISTEN;
531 listen_session->vpp_session_handle = mp->handle;
532 echo_session_handle_add_del (em, mp->handle, listen_session->session_index);
533 vec_add1 (em->listen_session_indexes, listen_session->session_index);
534 if (++em->listen_session_cnt == em->n_uris)
535 em->state = STATE_LISTEN;
536 if (em->proto_cb_vft->bound_uri_cb)
537 em->proto_cb_vft->bound_uri_cb (mp, listen_session);
541 echo_segment_is_not_mapped (u64 segment_handle)
543 echo_main_t *em = &echo_main;
544 uword *segment_present;
545 ECHO_LOG (3, "Check if segment mapped 0x%lx...", segment_handle);
546 clib_spinlock_lock (&em->segment_handles_lock);
547 segment_present = hash_get (em->shared_segment_handles, segment_handle);
548 clib_spinlock_unlock (&em->segment_handles_lock);
549 if (segment_present != 0)
551 ECHO_LOG (2, "Segment not mapped (0x%lx)", segment_handle);
556 session_accepted_handler (session_accepted_msg_t * mp)
558 app_session_evt_t _app_evt, *app_evt = &_app_evt;
559 session_accepted_reply_msg_t *rmp;
560 svm_fifo_t *rx_fifo, *tx_fifo;
561 echo_main_t *em = &echo_main;
562 echo_session_t *session, *ls;
564 if (!(ls = echo_get_session_from_handle (em, mp->listener_handle)))
566 ECHO_FAIL (ECHO_FAIL_SESSION_ACCEPTED_BAD_LISTENER,
567 "Unknown listener handle 0x%lx", mp->listener_handle);
570 if (echo_segment_is_not_mapped (mp->segment_handle))
572 ECHO_FAIL (ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,
573 "accepted wait_for_segment_allocation errored");
577 /* Allocate local session and set it up */
578 session = echo_session_new (em);
579 session->vpp_session_handle = mp->handle;
581 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
582 rx_fifo->client_session_index = session->session_index;
583 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
584 tx_fifo->client_session_index = session->session_index;
586 session->rx_fifo = rx_fifo;
587 session->tx_fifo = tx_fifo;
589 /* session->transport needed by app_send_dgram */
590 clib_memcpy_fast (&session->transport.rmt_ip, &mp->rmt.ip,
591 sizeof (ip46_address_t));
592 session->transport.is_ip4 = mp->rmt.is_ip4;
593 session->transport.rmt_port = mp->rmt.port;
594 clib_memcpy_fast (&session->transport.lcl_ip, &em->uri_elts.ip,
595 sizeof (ip46_address_t));
596 session->transport.lcl_port = em->uri_elts.port;
598 session->vpp_session_handle = mp->handle;
599 session->start = clib_time_now (&em->clib_time);
600 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
602 session->listener_index = ls->session_index;
604 /* Add it to lookup table */
605 ECHO_LOG (2, "Accepted session 0x%lx S[%u] -> 0x%lx S[%u]",
606 mp->handle, session->session_index,
607 mp->listener_handle, session->listener_index);
608 echo_session_handle_add_del (em, mp->handle, session->session_index);
610 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
611 SESSION_CTRL_EVT_ACCEPTED_REPLY);
612 rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
613 rmp->handle = mp->handle;
614 rmp->context = mp->context;
615 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
616 em->proto_cb_vft->accepted_cb (mp, session);
620 session_connected_handler (session_connected_msg_t * mp)
622 echo_main_t *em = &echo_main;
623 echo_session_t *session;
624 u32 listener_index = htonl (mp->context);
625 svm_fifo_t *rx_fifo, *tx_fifo;
627 clib_atomic_add_fetch (&em->max_sim_connects, 1);
631 if (em->proto_cb_vft->connected_cb)
633 proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp,
634 listener_index, 1 /* is_failed */ );
638 session = echo_session_new (em);
639 if (echo_segment_is_not_mapped (mp->segment_handle))
641 ECHO_FAIL (ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC,
642 "connected wait_for_segment_allocation errored");
646 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
647 rx_fifo->client_session_index = session->session_index;
648 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
649 tx_fifo->client_session_index = session->session_index;
651 session->rx_fifo = rx_fifo;
652 session->tx_fifo = tx_fifo;
653 session->vpp_session_handle = mp->handle;
654 session->start = clib_time_now (&em->clib_time);
655 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
657 session->listener_index = listener_index;
658 /* session->transport needed by app_send_dgram */
659 clib_memcpy_fast (&session->transport.lcl_ip, &mp->lcl.ip,
660 sizeof (ip46_address_t));
661 session->transport.is_ip4 = mp->lcl.is_ip4;
662 session->transport.lcl_port = mp->lcl.port;
663 clib_memcpy_fast (&session->transport.rmt_ip, &em->uri_elts.ip,
664 sizeof (ip46_address_t));
665 session->transport.rmt_port = em->uri_elts.port;
667 echo_session_handle_add_del (em, mp->handle, session->session_index);
668 em->proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp,
669 session->session_index, 0 /* is_failed */ );
674 * End of ECHO callback definitions
679 session_disconnected_handler (session_disconnected_msg_t * mp)
681 app_session_evt_t _app_evt, *app_evt = &_app_evt;
682 session_disconnected_reply_msg_t *rmp;
683 echo_main_t *em = &echo_main;
685 if (!(s = echo_get_session_from_handle (em, mp->handle)))
687 ECHO_LOG (1, "Invalid vpp_session_handle: 0x%lx", mp->handle);
690 if (s->session_state == ECHO_SESSION_STATE_CLOSED)
692 ECHO_LOG (2, "%U: already in ECHO_SESSION_STATE_CLOSED",
693 echo_format_session, s);
697 ECHO_LOG (2, "%U: passive close", echo_format_session, s);
698 em->proto_cb_vft->disconnected_cb (mp, s);
700 app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt,
701 SESSION_CTRL_EVT_DISCONNECTED_REPLY);
702 rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
704 rmp->handle = mp->handle;
705 rmp->context = mp->context;
706 app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt);
710 session_reset_handler (session_reset_msg_t * mp)
712 app_session_evt_t _app_evt, *app_evt = &_app_evt;
713 echo_main_t *em = &echo_main;
714 session_reset_reply_msg_t *rmp;
715 echo_session_t *s = 0;
716 if (!(s = echo_get_session_from_handle (em, mp->handle)))
718 ECHO_LOG (1, "Invalid vpp_session_handle: 0x%lx", mp->handle);
721 ECHO_LOG (2, "%U: session reset", echo_format_session, s);
722 em->proto_cb_vft->reset_cb (mp, s);
724 app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt,
725 SESSION_CTRL_EVT_RESET_REPLY);
726 rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
728 rmp->handle = mp->handle;
729 app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt);
733 add_segment_handler (session_app_add_segment_msg_t * mp)
735 fifo_segment_main_t *sm = &echo_main.segment_main;
736 fifo_segment_create_args_t _a, *a = &_a;
737 echo_main_t *em = &echo_main;
739 char *seg_name = (char *) mp->segment_name;
740 u64 segment_handle = mp->segment_handle;
742 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
744 vec_validate (fds, 1);
745 if (vl_socket_client_recv_fd_msg (fds, 1, 5))
747 ECHO_FAIL (ECHO_FAIL_VL_API_RECV_FD_MSG,
748 "vl_socket_client_recv_fd_msg failed");
752 if (echo_ssvm_segment_attach (seg_name, SSVM_SEGMENT_MEMFD, fds[0]))
754 ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
755 "svm_fifo_segment_attach ('%s') "
756 "failed on SSVM_SEGMENT_MEMFD", seg_name);
763 clib_memset (a, 0, sizeof (*a));
764 a->segment_name = seg_name;
765 a->segment_size = mp->segment_size;
766 /* Attach to the segment vpp created */
767 if (fifo_segment_attach (sm, a))
769 ECHO_FAIL (ECHO_FAIL_VL_API_FIFO_SEG_ATTACH,
770 "fifo_segment_attach ('%s') failed", seg_name);
774 echo_segment_handle_add_del (em, segment_handle, 1 /* add */ );
775 ECHO_LOG (2, "Mapped segment 0x%lx", segment_handle);
779 for (i = 0; i < vec_len (fds); i++)
785 del_segment_handler (session_app_del_segment_msg_t * mp)
787 echo_main_t *em = &echo_main;
788 echo_segment_handle_add_del (em, mp->segment_handle, 0 /* add */ );
789 ECHO_LOG (2, "Unmaped segment 0x%lx", mp->segment_handle);
793 cleanup_handler (session_cleanup_msg_t * mp)
795 ECHO_LOG (1, "Cleanup confirmed for 0x%lx", mp->handle);
799 handle_mq_event (session_event_t * e)
801 switch (e->event_type)
803 case SESSION_CTRL_EVT_BOUND:
804 return session_bound_handler ((session_bound_msg_t *) e->data);
805 case SESSION_CTRL_EVT_ACCEPTED:
806 return session_accepted_handler ((session_accepted_msg_t *) e->data);
807 case SESSION_CTRL_EVT_CONNECTED:
808 return session_connected_handler ((session_connected_msg_t *) e->data);
809 case SESSION_CTRL_EVT_DISCONNECTED:
810 return session_disconnected_handler ((session_disconnected_msg_t *)
812 case SESSION_CTRL_EVT_RESET:
813 return session_reset_handler ((session_reset_msg_t *) e->data);
814 case SESSION_CTRL_EVT_UNLISTEN_REPLY:
815 return session_unlisten_handler ((session_unlisten_reply_msg_t *)
817 case SESSION_CTRL_EVT_APP_ADD_SEGMENT:
818 add_segment_handler ((session_app_add_segment_msg_t *) e->data);
820 case SESSION_CTRL_EVT_APP_DEL_SEGMENT:
821 del_segment_handler ((session_app_del_segment_msg_t *) e->data);
823 case SESSION_CTRL_EVT_CLEANUP:
824 cleanup_handler ((session_cleanup_msg_t *) e->data);
826 case SESSION_IO_EVT_RX:
829 ECHO_LOG (1, "unhandled event %u", e->event_type);
834 echo_process_rpcs (echo_main_t * em)
838 svm_msg_q_t *mq = em->rpc_msq_queue;
840 while (em->state < STATE_DATA_DONE && !em->time_to_stop)
843 if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 1))
845 svm_msg_q_unlock (mq);
848 svm_msg_q_sub_w_lock (mq, &msg);
849 rpc = svm_msg_q_msg_data (mq, &msg);
850 svm_msg_q_unlock (mq);
851 ((echo_rpc_t) rpc->fp) (em, &rpc->args);
852 svm_msg_q_free_msg (mq, &msg);
857 echo_print_periodic_stats (echo_main_t * em)
859 f64 delta, now = clib_time_now (&em->clib_time);
860 echo_stats_t _st, *st = &_st;
861 echo_stats_t *lst = &em->last_stat_sampling;
862 delta = now - em->last_stat_sampling_ts;
863 if (delta < em->periodic_stats_delta)
866 clib_memcpy_fast (st, &em->stats, sizeof (*st));
867 if (st->rx_total - lst->rx_total)
868 clib_warning ("RX: %U", echo_format_bytes_per_sec,
869 (st->rx_total - lst->rx_total) / delta);
870 if (st->tx_total - lst->tx_total)
871 clib_warning ("TX: %U", echo_format_bytes_per_sec,
872 (st->tx_total - lst->tx_total) / delta);
873 if (st->connected_count.q - lst->connected_count.q)
874 clib_warning ("conn: %d/s",
875 st->connected_count.q - lst->connected_count.q);
876 if (st->accepted_count.q - lst->accepted_count.q)
877 clib_warning ("accept: %d/s",
878 st->accepted_count.q - lst->accepted_count.q);
880 clib_memcpy_fast (lst, st, sizeof (*st));
881 em->last_stat_sampling_ts = now;
885 echo_mq_thread_fn (void *arg)
887 clib_mem_set_thread_index (); /* First thing to do in client thread */
888 svm_msg_q_msg_t *msg_vec = 0;
889 echo_main_t *em = &echo_main;
891 svm_msg_q_msg_t *msg;
895 vec_validate (msg_vec, em->evt_q_size);
896 vec_reset_length (msg_vec);
897 wait_for_state_change (em, STATE_ATTACHED, 0);
899 if (em->state < STATE_ATTACHED || !mq)
901 ECHO_FAIL (ECHO_FAIL_APP_ATTACH, "Application failed to attach");
905 while (em->state < STATE_DETACHED && !em->time_to_stop)
907 if (em->periodic_stats_delta)
908 echo_print_periodic_stats (em);
911 if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 1))
913 svm_msg_q_unlock (mq);
916 for (i = 0; i < svm_msg_q_size (mq); i++)
918 vec_add2 (msg_vec, msg, 1);
919 svm_msg_q_sub_w_lock (mq, msg);
921 svm_msg_q_unlock (mq);
923 for (i = 0; i < vec_len (msg_vec); i++)
925 msg = vec_elt_at_index (msg_vec, i);
926 e = svm_msg_q_msg_data (mq, msg);
928 svm_msg_q_free_msg (mq, msg); /* No lock, single thread dequeuing */
930 vec_reset_length (msg_vec);
937 echo_cycle_ip (echo_main_t * em, ip46_address_t * ip, ip46_address_t * src_ip,
942 if (i % em->n_uris == 0)
944 clib_memcpy_fast (ip, src_ip, sizeof (*ip));
947 l = em->uri_elts.is_ip4 ? 3 : 15;
948 ipu8 = em->uri_elts.is_ip4 ? ip->ip4.as_u8 : ip->ip6.as_u8;
949 while (ipu8[l] == 0xf)
956 clients_run (echo_main_t * em)
958 echo_connect_args_t _a, *a = &_a;
961 a->context = SESSION_INVALID_INDEX;
962 a->parent_session_handle = SESSION_INVALID_HANDLE;
963 clib_memset (&a->lcl_ip, 0, sizeof (a->lcl_ip));
965 echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT);
966 for (i = 0; i < em->n_connects; i++)
968 echo_cycle_ip (em, &a->ip, &em->uri_elts.ip, i);
970 echo_cycle_ip (em, &a->lcl_ip, &em->lcl_ip, i);
971 echo_send_connect (em, a);
973 wait_for_state_change (em, STATE_READY, 0);
974 ECHO_LOG (2, "App is ready");
975 echo_process_rpcs (em);
979 server_run (echo_main_t * em)
982 ip46_address_t _ip, *ip = &_ip;
983 u32 *listen_session_index;
986 for (i = 0; i < em->n_uris; i++)
988 echo_cycle_ip (em, ip, &em->uri_elts.ip, i);
989 echo_send_listen (em, ip);
991 wait_for_state_change (em, STATE_READY, 0);
992 ECHO_LOG (2, "App is ready");
993 echo_process_rpcs (em);
995 vec_foreach (listen_session_index, em->listen_session_indexes)
997 ECHO_LOG (2, "Unbind listen port %d", em->listen_session_cnt);
998 ls = pool_elt_at_index (em->sessions, *listen_session_index);
999 echo_send_unbind (em, ls);
1001 if (wait_for_state_change (em, STATE_DISCONNECTED, TIMEOUT))
1003 ECHO_FAIL (ECHO_FAIL_SERVER_DISCONNECT_TIMEOUT,
1004 "Timeout waiting for state disconnected");
1010 print_usage_and_exit (void)
1012 echo_main_t *em = &echo_main;
1015 "Usage: vpp_echo [socket-name SOCKET] [client|server] [uri URI] [OPTIONS]\n"
1016 "Generates traffic and assert correct teardown of the hoststack\n"
1018 " socket-name PATH Specify the binary socket path to connect to VPP\n"
1019 " use-svm-api Use SVM API to connect to VPP\n"
1020 " test-bytes[:assert] Check data correctness when receiving (assert fails on first error)\n"
1021 " fifo-size N[K|M|G] Use N[K|M|G] fifos\n"
1022 " mq-size N Use mq with N slots for [vpp_echo->vpp] communication\n"
1023 " max-sim-connects N Do not allow more than N mq events inflight\n"
1024 " rx-buf N[K|M|G] Use N[Kb|Mb|GB] RX buffer\n"
1025 " tx-buf N[K|M|G] Use N[Kb|Mb|GB] TX test buffer\n"
1026 " appns NAMESPACE Use the namespace NAMESPACE\n"
1027 " all-scope all-scope option\n"
1028 " local-scope local-scope option\n"
1029 " global-scope global-scope option\n"
1030 " secret SECRET set namespace secret\n"
1031 " chroot prefix PATH Use PATH as memory root path\n"
1032 " sclose=[Y|N|W] When stream is done, send[Y]|nop[N]|wait[W] for close\n"
1033 " nuris N Cycle through N consecutive (src&dst) ips when creating connections\n"
1034 " lcl IP Set the local ip to use as a client (use with nuris to set first src ip)\n"
1036 " time START:END Time between evts START & END, events being :\n"
1037 " start - Start of the app\n"
1038 " qconnect - first Connection connect sent\n"
1039 " qconnected - last Connection connected\n"
1040 " sconnect - first Stream connect sent\n"
1041 " sconnected - last Stream got connected\n"
1042 " lastbyte - Last expected byte received\n"
1043 " exit - Exiting of the app\n"
1044 " rx-results-diff Rx results different to pass test\n"
1045 " tx-results-diff Tx results different to pass test\n"
1046 " json Output global stats in json\n"
1047 " stats N Output stats evry N secs\n"
1048 " log=N Set the log level to [0: no output, 1:errors, 2:log]\n"
1049 " crypto [engine] Set the crypto engine [openssl, vpp, picotls, mbedtls]\n"
1051 " nclients N Open N clients sending data\n"
1052 " nthreads N Use N busy loop threads for data [in addition to main & msg queue]\n"
1053 " TX=1337[K|M|G]|RX Send 1337 [K|M|G]bytes, use TX=RX to reflect the data\n"
1054 " RX=1337[K|M|G] Expect 1337 [K|M|G]bytes\n" "\n");
1055 for (i = 0; i < TRANSPORT_N_PROTO; i++)
1057 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1058 if (vft && vft->print_usage_cb)
1059 vft->print_usage_cb ();
1061 fprintf (stderr, "\nDefault configuration is :\n"
1062 " server nclients 1 [quic-streams 1] RX=64Kb TX=RX\n"
1063 " client nclients 1 [quic-streams 1] RX=64Kb TX=64Kb\n");
1064 exit (ECHO_FAIL_USAGE);
1068 echo_process_each_proto_opts (unformat_input_t * a)
1070 echo_main_t *em = &echo_main;
1072 for (i = 0; i < TRANSPORT_N_PROTO; i++)
1074 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1075 if (vft && vft->process_opts_cb)
1076 if ((rv = vft->process_opts_cb (a)))
1083 echo_set_each_proto_defaults_before_opts (echo_main_t * em)
1086 for (i = 0; i < TRANSPORT_N_PROTO; i++)
1088 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1089 if (vft && vft->set_defaults_before_opts_cb)
1090 vft->set_defaults_before_opts_cb ();
1095 echo_process_opts (int argc, char **argv)
1097 echo_main_t *em = &echo_main;
1098 unformat_input_t _argv, *a = &_argv;
1101 u8 default_f_active;
1104 unformat_init_command_line (a, argv);
1105 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1107 if (echo_process_each_proto_opts (a))
1109 else if (unformat (a, "chroot prefix %s", &chroot_prefix))
1110 vl_set_memory_root_path ((char *) chroot_prefix);
1111 else if (unformat (a, "uri %s", &uri))
1112 em->uri = format (0, "%s%c", uri, 0);
1113 else if (unformat (a, "lcl %U", unformat_ip46_address, &em->lcl_ip))
1115 else if (unformat (a, "nuris %u", &em->n_uris))
1116 em->n_sessions = em->n_clients + em->n_uris;
1117 else if (unformat (a, "server"))
1118 em->i_am_master = 1;
1119 else if (unformat (a, "client"))
1120 em->i_am_master = 0;
1121 else if (unformat (a, "test-bytes:assert"))
1122 em->test_return_packets = RETURN_PACKETS_ASSERT;
1123 else if (unformat (a, "test-bytes"))
1124 em->test_return_packets = RETURN_PACKETS_LOG_WRONG;
1125 else if (unformat (a, "socket-name %s", &em->socket_name))
1127 else if (unformat (a, "use-svm-api"))
1128 em->use_sock_api = 0;
1129 else if (unformat (a, "fifo-size %U", unformat_memory_size, &tmp))
1131 if (tmp >= 0x100000000ULL)
1134 "ERROR: fifo-size %ld (0x%lx) too large\n", tmp, tmp);
1135 print_usage_and_exit ();
1137 em->fifo_size = tmp;
1139 else if (unformat (a, "prealloc-fifos %u", &em->prealloc_fifo_pairs))
1142 if (unformat (a, "rx-buf %U", unformat_data_size, &em->rx_buf_size))
1145 if (unformat (a, "tx-buf %U", unformat_data_size, &em->tx_buf_size))
1147 else if (unformat (a, "mq-size %d", &em->evt_q_size))
1149 else if (unformat (a, "nclients %d", &em->n_clients))
1151 em->n_sessions = em->n_clients + em->n_uris;
1152 em->n_connects = em->n_clients;
1154 else if (unformat (a, "nthreads %d", &em->n_rx_threads))
1156 else if (unformat (a, "crypto %U", echo_unformat_crypto_engine, &tmp))
1157 em->crypto_engine = tmp;
1158 else if (unformat (a, "appns %_%v%_", &em->appns_id))
1160 else if (unformat (a, "all-scope"))
1161 em->appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
1162 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
1163 else if (unformat (a, "local-scope"))
1164 em->appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
1165 else if (unformat (a, "global-scope"))
1166 em->appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
1167 else if (unformat (a, "secret %lu", &em->appns_secret))
1169 else if (unformat (a, "TX=RX"))
1170 em->data_source = ECHO_RX_DATA_SOURCE;
1171 else if (unformat (a, "TX=%U", unformat_data_size, &em->bytes_to_send))
1173 else if (unformat (a, "RX=%U", unformat_data_size,
1174 &em->bytes_to_receive))
1176 else if (unformat (a, "rx-results-diff"))
1177 em->rx_results_diff = 1;
1178 else if (unformat (a, "tx-results-diff"))
1179 em->tx_results_diff = 1;
1180 else if (unformat (a, "json"))
1181 em->output_json = 1;
1182 else if (unformat (a, "stats %d", &em->periodic_stats_delta))
1184 else if (unformat (a, "wait-for-gdb"))
1185 em->wait_for_gdb = 1;
1186 else if (unformat (a, "log=%d", &em->log_lvl))
1188 else if (unformat (a, "sclose=%U",
1189 echo_unformat_close, &em->send_stream_disconnects))
1191 else if (unformat (a, "time %U:%U",
1192 echo_unformat_timing_event, &em->timing.start_event,
1193 echo_unformat_timing_event, &em->timing.end_event))
1195 else if (unformat (a, "max-sim-connects %d", &em->max_sim_connects))
1198 print_usage_and_exit ();
1201 /* setting default for unset values
1203 * bytes_to_send / bytes_to_receive & data_source */
1204 if (em->bytes_to_receive == (u64) ~ 0)
1205 em->bytes_to_receive = 64 << 10; /* default */
1206 if (em->bytes_to_send == (u64) ~ 0)
1207 em->bytes_to_send = 64 << 10; /* default */
1208 else if (em->bytes_to_send == 0)
1209 em->data_source = ECHO_NO_DATA_SOURCE;
1211 em->data_source = ECHO_TEST_DATA_SOURCE;
1213 if (em->data_source == ECHO_INVALID_DATA_SOURCE)
1215 em->i_am_master ? ECHO_RX_DATA_SOURCE : ECHO_TEST_DATA_SOURCE;
1216 if (em->data_source == ECHO_RX_DATA_SOURCE)
1217 em->bytes_to_send = em->bytes_to_receive;
1219 /* disconnect flags */
1220 if (em->i_am_master)
1222 em->bytes_to_send == 0 ? ECHO_CLOSE_F_ACTIVE : ECHO_CLOSE_F_PASSIVE;
1225 em->bytes_to_receive == 0 ? ECHO_CLOSE_F_PASSIVE : ECHO_CLOSE_F_ACTIVE;
1226 if (em->send_stream_disconnects == ECHO_CLOSE_F_INVALID)
1227 em->send_stream_disconnects = default_f_active;
1229 if (em->max_sim_connects == 0)
1230 em->max_sim_connects = em->evt_q_size >> 1;
1232 if (em->wait_for_gdb)
1234 volatile u64 nop = 0;
1236 clib_warning ("Waiting for gdb...");
1237 while (em->wait_for_gdb)
1239 clib_warning ("Resuming execution (%llu)!", nop);
1244 echo_process_uri (echo_main_t * em)
1246 unformat_input_t _input, *input = &_input;
1248 unformat_init_string (input, (char *) em->uri, strlen ((char *) em->uri));
1250 (input, "%U://%U/%d", unformat_transport_proto,
1251 &em->uri_elts.transport_proto, unformat_ip4_address,
1252 &em->uri_elts.ip.ip4, &port))
1253 em->uri_elts.is_ip4 = 1;
1256 (input, "%U://%U/%d", unformat_transport_proto,
1257 &em->uri_elts.transport_proto, unformat_ip6_address,
1258 &em->uri_elts.ip.ip6, &port))
1259 em->uri_elts.is_ip4 = 0;
1261 ECHO_FAIL (ECHO_FAIL_INVALID_URI, "Unable to process uri");
1262 em->uri_elts.port = clib_host_to_net_u16 (port);
1263 unformat_free (input);
1266 static void __clib_constructor
1269 /* init memory before proto register themselves */
1270 echo_main_t *em = &echo_main;
1271 clib_mem_init_thread_safe (0, 256 << 20);
1272 clib_memset (em, 0, sizeof (*em));
1276 main (int argc, char **argv)
1278 echo_main_t *em = &echo_main;
1279 fifo_segment_main_t *sm = &em->segment_main;
1282 svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
1283 u32 rpc_queue_size = 256 << 10;
1285 em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1286 clib_spinlock_init (&em->sid_vpp_handles_lock);
1287 em->shared_segment_handles = hash_create (0, sizeof (uword));
1288 clib_spinlock_init (&em->segment_handles_lock);
1289 em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
1290 em->use_sock_api = 1;
1291 em->fifo_size = 64 << 10;
1292 em->prealloc_fifo_pairs = 16;
1296 em->max_test_msg = 50;
1297 em->time_to_stop = 0;
1298 em->i_am_master = 1;
1299 em->n_rx_threads = 4;
1300 em->evt_q_size = 256;
1302 clib_memset (&em->lcl_ip, 0, sizeof (em->lcl_ip));
1303 em->test_return_packets = RETURN_PACKETS_NOTEST;
1304 em->timing.start_event = ECHO_EVT_FIRST_QCONNECT;
1305 em->timing.end_event = ECHO_EVT_LAST_BYTE;
1306 em->bytes_to_receive = ~0; /* defaulted when we know if server/client */
1307 em->bytes_to_send = ~0; /* defaulted when we know if server/client */
1308 em->rx_buf_size = 1 << 20;
1309 em->tx_buf_size = 1 << 20;
1310 em->data_source = ECHO_INVALID_DATA_SOURCE;
1311 em->uri = format (0, "%s%c", "tcp://0.0.0.0/1234", 0);
1313 em->max_sim_connects = 0;
1314 em->listen_session_cnt = 0;
1315 em->crypto_engine = CRYPTO_ENGINE_NONE;
1316 echo_set_each_proto_defaults_before_opts (em);
1317 echo_process_opts (argc, argv);
1318 echo_process_uri (em);
1319 em->proto_cb_vft = em->available_proto_cb_vft[em->uri_elts.transport_proto];
1320 if (!em->proto_cb_vft)
1322 ECHO_FAIL (ECHO_FAIL_PROTOCOL_NOT_SUPPORTED,
1323 "Protocol %U is not supported",
1324 format_transport_proto, em->uri_elts.transport_proto);
1327 if (em->proto_cb_vft->set_defaults_after_opts_cb)
1328 em->proto_cb_vft->set_defaults_after_opts_cb ();
1330 em->stats.rx_expected = em->bytes_to_receive * em->n_clients;
1331 em->stats.tx_expected = em->bytes_to_send * em->n_clients;
1333 vec_validate (em->data_thread_handles, em->n_rx_threads);
1334 vec_validate (em->data_thread_args, em->n_clients);
1335 for (i = 0; i < em->n_clients; i++)
1336 em->data_thread_args[i] = SESSION_INVALID_INDEX;
1337 clib_time_init (&em->clib_time);
1338 init_error_string_table ();
1339 fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20);
1340 vec_validate (em->connect_test_data, em->tx_buf_size);
1341 for (i = 0; i < em->tx_buf_size; i++)
1342 em->connect_test_data[i] = i & 0xff;
1345 svm_msg_q_ring_cfg_t rc[1] = {
1346 {rpc_queue_size, sizeof (echo_rpc_msg_t), 0},
1349 cfg->consumer_pid = getpid ();
1351 cfg->q_nitems = rpc_queue_size;
1352 cfg->ring_cfgs = rc;
1353 em->rpc_msq_queue = svm_msg_q_alloc (cfg);
1355 signal (SIGINT, stop_signal);
1356 signal (SIGQUIT, stop_signal);
1357 signal (SIGTERM, stop_signal);
1358 echo_api_hookup (em);
1360 app_name = em->i_am_master ? "echo_server" : "echo_client";
1361 if (connect_to_vpp (app_name))
1364 ECHO_FAIL (ECHO_FAIL_CONNECT_TO_VPP, "Couldn't connect to vpp");
1368 echo_session_prealloc (em);
1369 echo_notify_event (em, ECHO_EVT_START);
1371 echo_send_attach (em);
1372 if (wait_for_state_change (em, STATE_ATTACHED_NO_CERT, TIMEOUT))
1374 ECHO_FAIL (ECHO_FAIL_ATTACH_TO_VPP,
1375 "Couldn't attach to vpp, did you run <session enable> ?");
1379 if (em->uri_elts.transport_proto != TRANSPORT_PROTO_QUIC
1380 && em->uri_elts.transport_proto != TRANSPORT_PROTO_TLS)
1381 em->state = STATE_ATTACHED;
1384 ECHO_LOG (2, "Adding crypto context %U", echo_format_crypto_engine,
1386 echo_send_add_cert_key (em);
1387 if (wait_for_state_change (em, STATE_ATTACHED, TIMEOUT))
1389 ECHO_FAIL (ECHO_FAIL_APP_ATTACH,
1390 "Couldn't add crypto context to vpp\n");
1395 if (pthread_create (&em->mq_thread_handle,
1396 NULL /*attr */ , echo_mq_thread_fn, 0))
1398 ECHO_FAIL (ECHO_FAIL_PTHREAD_CREATE, "pthread create errored");
1402 for (i = 0; i < em->n_rx_threads; i++)
1403 if (pthread_create (&em->data_thread_handles[i],
1404 NULL /*attr */ , echo_data_thread_fn, (void *) i))
1406 ECHO_FAIL (ECHO_FAIL_PTHREAD_CREATE,
1407 "pthread create errored (index %d)", i);
1410 if (em->i_am_master)
1414 echo_notify_event (em, ECHO_EVT_EXIT);
1415 echo_free_sessions (em);
1416 echo_send_del_cert_key (em);
1417 if (wait_for_state_change (em, STATE_CLEANED_CERT_KEY, TIMEOUT))
1419 ECHO_FAIL (ECHO_FAIL_DEL_CERT_KEY, "Couldn't cleanup cert and key");
1423 echo_send_detach (em);
1424 if (wait_for_state_change (em, STATE_DETACHED, TIMEOUT))
1426 ECHO_FAIL (ECHO_FAIL_DETACH, "Couldn't detach from vpp");
1430 pthread_join (em->mq_thread_handle, (void **) &rv);
1433 ECHO_FAIL (ECHO_FAIL_MQ_PTHREAD, "mq pthread errored %d", rv);
1436 if (em->use_sock_api)
1437 vl_socket_client_disconnect ();
1439 vl_client_disconnect_from_vlib ();
1440 echo_assert_test_suceeded (em);
1442 ECHO_LOG (1, "Test complete !\n");
1443 if (em->output_json)
1444 print_global_json_stats (em);
1446 print_global_stats (em);
1447 vec_free (em->fail_descr);
1448 exit (em->has_failed);
1452 * fd.io coding-style-patch-verification: ON
1455 * eval: (c-set-style "gnu")