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))
72 if ((rv = app_send_io_evt_to_vpp (s->vpp_evt_q,
73 s->rx_fifo->shr->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 (echo_main_t *em)
90 api_main_t *am = vlibapi_get_main ();
92 if (em->use_app_socket_api)
93 return echo_api_connect_app_socket (em);
97 if (vl_socket_client_connect ((char *) em->socket_name,
98 (char *) em->app_name,
99 0 /* default rx, tx buffer */))
101 ECHO_FAIL (ECHO_FAIL_SOCKET_CONNECT, "socket connect failed");
105 if (vl_socket_client_init_shm (0, 1 /* want_pthread */ ))
107 ECHO_FAIL (ECHO_FAIL_INIT_SHM_API, "init shm api failed");
113 if (vl_client_connect_to_vlib ("/vpe-api", (char *) em->app_name, 32) <
116 ECHO_FAIL (ECHO_FAIL_SHMEM_CONNECT, "shmem connect failed");
120 em->vl_input_queue = am->shmem_hdr->vl_input_queue;
121 em->my_client_index = am->my_client_index;
126 print_global_json_stats (echo_main_t * em)
129 format (0, "%U", echo_format_timing_event, em->timing.start_event);
131 format (0, "%U", echo_format_timing_event, em->timing.end_event);
132 u8 start_evt_missing = !(em->timing.events_sent & em->timing.start_event);
133 u8 end_evt_missing = (em->rx_results_diff || em->tx_results_diff) ? 0 :
134 !(em->timing.events_sent & em->timing.end_event);
135 f64 deltat = start_evt_missing || end_evt_missing ? 0 :
136 em->timing.end_time - em->timing.start_time;
138 if (start_evt_missing)
139 ECHO_FAIL (ECHO_FAIL_MISSING_START_EVENT,
140 "Expected event %v to happen, but it did not!", start_evt);
143 ECHO_FAIL (ECHO_FAIL_MISSING_END_EVENT,
144 "Expected event %v to happen, but it did not!", end_evt);
146 fformat (stdout, "vpp_echo JSON stats:\n{\n");
147 fformat (stdout, " \"role\": \"%s\",\n",
148 em->i_am_master ? "server" : "client");
149 fformat (stdout, " \"time\": \"%.9f\",\n", deltat);
150 fformat (stdout, " \"start_evt\": \"%v\",\n", start_evt);
151 fformat (stdout, " \"start_evt_missing\": \"%s\",\n",
152 start_evt_missing ? "True" : "False");
153 fformat (stdout, " \"end_evt\": \"%v\",\n", end_evt);
154 fformat (stdout, " \"end_evt_missing\": \"%s\",\n",
155 end_evt_missing ? "True" : "False");
156 fformat (stdout, " \"rx_data\": %lld,\n", em->stats.rx_total);
157 fformat (stdout, " \"tx_data\": %lld,\n", em->stats.tx_total);
158 fformat (stdout, " \"rx_bits_per_second\": %.1f,\n",
159 em->stats.rx_total * 8 / deltat);
160 fformat (stdout, " \"tx_bits_per_second\": %.1f,\n",
161 em->stats.tx_total * 8 / deltat);
162 fformat (stdout, " \"closing\": {\n");
163 fformat (stdout, " \"reset\": { \"q\": %d, \"s\": %d },\n",
164 em->stats.reset_count.q, em->stats.reset_count.s);
165 fformat (stdout, " \"recv evt\": { \"q\": %d, \"s\": %d },\n",
166 em->stats.close_count.q, em->stats.close_count.s);
167 fformat (stdout, " \"send evt\": { \"q\": %d, \"s\": %d },\n",
168 em->stats.active_count.q, em->stats.active_count.s);
169 fformat (stdout, " \"clean\": { \"q\": %d, \"s\": %d },\n",
170 em->stats.clean_count.q, em->stats.clean_count.s);
171 fformat (stdout, " \"accepted\": { \"q\": %d, \"s\": %d },\n",
172 em->stats.accepted_count.q, em->stats.accepted_count.s);
173 fformat (stdout, " \"connected\": { \"q\": %d, \"s\": %d }\n",
174 em->stats.connected_count.q, em->stats.connected_count.s);
175 fformat (stdout, " },\n");
176 fformat (stdout, " \"results\": {\n");
177 fformat (stdout, " \"has_failed\": \"%d\",\n", em->has_failed);
178 fformat (stdout, " \"fail_descr\": \"%v\"\n", em->fail_descr);
179 fformat (stdout, " }\n");
180 fformat (stdout, "}\n");
182 vec_free (start_evt);
187 print_global_stats (echo_main_t * em)
190 format (0, "%U", echo_format_timing_event, em->timing.start_event);
192 format (0, "%U", echo_format_timing_event, em->timing.end_event);
193 u8 start_evt_missing = !(em->timing.events_sent & em->timing.start_event);
194 u8 end_evt_missing = (em->rx_results_diff || em->tx_results_diff) ? 0 :
195 !(em->timing.events_sent & em->timing.end_event);
196 f64 deltat = start_evt_missing || end_evt_missing ? 0 :
197 em->timing.end_time - em->timing.start_time;
199 if (start_evt_missing)
200 ECHO_FAIL (ECHO_FAIL_MISSING_START_EVENT,
201 "Expected event %v to happen, but it did not!", start_evt);
204 ECHO_FAIL (ECHO_FAIL_MISSING_END_EVENT,
205 "Expected event %v to happen, but it did not!", end_evt);
207 fformat (stdout, "Timing %v:%v\n", start_evt, end_evt);
208 if (start_evt_missing)
209 fformat (stdout, "Missing Start Timing Event (%v)!\n", start_evt);
211 fformat (stdout, "Missing End Timing Event (%v)!\n", end_evt);
212 fformat (stdout, "-------- TX --------\n");
213 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.6f seconds\n",
214 em->stats.tx_total, em->stats.tx_total / (1ULL << 20),
215 em->stats.tx_total / (1ULL << 30), deltat);
217 fformat (stdout, "%.4f Gbit/second\n",
218 (em->stats.tx_total * 8.0) / deltat / 1e9);
219 fformat (stdout, "-------- RX --------\n");
220 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.6f seconds\n",
221 em->stats.rx_total, em->stats.rx_total / (1ULL << 20),
222 em->stats.rx_total / (1ULL << 30), deltat);
224 fformat (stdout, "%.4f Gbit/second\n",
225 (em->stats.rx_total * 8.0) / deltat / 1e9);
226 fformat (stdout, "--------------------\n");
227 fformat (stdout, "Received close on %d streams (and %d Quic conn)\n",
228 em->stats.close_count.s, em->stats.close_count.q);
229 fformat (stdout, "Received reset on %d streams (and %d Quic conn)\n",
230 em->stats.reset_count.s, em->stats.reset_count.q);
231 fformat (stdout, "Sent close on %d streams (and %d Quic conn)\n",
232 em->stats.active_count.s, em->stats.active_count.q);
233 fformat (stdout, "Discarded %d streams (and %d Quic conn)\n",
234 em->stats.clean_count.s, em->stats.clean_count.q);
235 fformat (stdout, "--------------------\n");
236 fformat (stdout, "Got accept on %d streams (and %d Quic conn)\n",
237 em->stats.accepted_count.s, em->stats.accepted_count.q);
238 fformat (stdout, "Got connected on %d streams (and %d Quic conn)\n",
239 em->stats.connected_count.s, em->stats.connected_count.q);
241 fformat (stdout, "\nFailure Return Status: %d\n%v", em->has_failed,
243 vec_free (start_evt);
248 echo_update_count_on_session_close (echo_main_t * em, echo_session_t * s)
251 ECHO_LOG (2, "[%lu/%lu] -> %U -> [%lu/%lu]",
252 s->bytes_received, s->bytes_received + s->bytes_to_receive,
253 echo_format_session, s, s->bytes_sent,
254 s->bytes_sent + s->bytes_to_send);
257 ((em->stats.rx_total == em->stats.rx_expected)
258 && (em->stats.tx_total == em->stats.tx_expected)))
259 echo_notify_event (em, ECHO_EVT_LAST_BYTE);
263 echo_session_detach_fifos (echo_session_t *s)
265 echo_main_t *em = &echo_main;
271 clib_spinlock_lock (&em->segment_handles_lock);
273 fs = fifo_segment_get_segment_if_valid (&em->segment_main,
274 s->rx_fifo->segment_index);
279 fifo_segment_free_client_fifo (fs, s->rx_fifo);
280 fifo_segment_free_client_fifo (fs, s->tx_fifo);
283 clib_spinlock_unlock (&em->segment_handles_lock);
287 echo_free_sessions (echo_main_t * em)
289 /* Free marked sessions */
291 u32 *session_indexes = 0, *session_index;
294 pool_foreach (s, em->sessions)
296 if (s->session_state == ECHO_SESSION_STATE_CLOSED)
297 vec_add1 (session_indexes, s->session_index);
300 vec_foreach (session_index, session_indexes)
303 s = pool_elt_at_index (em->sessions, *session_index);
304 echo_session_detach_fifos (s);
305 echo_session_handle_add_del (em, s->vpp_session_handle,
306 SESSION_INVALID_INDEX);
307 clib_memset (s, 0xfe, sizeof (*s));
308 pool_put (em->sessions, s);
313 test_recv_bytes (echo_main_t * em, echo_session_t * s, u8 * rx_buf,
318 for (i = 0; i < n_read; i++)
320 expected = (s->bytes_received + i) & 0xff;
321 if (rx_buf[i] == expected || em->max_test_msg > 0)
323 ECHO_LOG (1, "Session 0x%lx byte %lld was 0x%x expected 0x%x",
324 s->vpp_session_handle, s->bytes_received + i, rx_buf[i],
327 if (em->max_test_msg == 0)
328 ECHO_LOG (1, "Too many errors, hiding next ones");
329 if (em->test_return_packets == RETURN_PACKETS_ASSERT)
330 ECHO_FAIL (ECHO_FAIL_TEST_BYTES_ERR, "test-bytes errored");
335 recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
338 n_read = app_recv ((app_session_t *) s, rx_buf, vec_len (rx_buf));
341 if (svm_fifo_needs_deq_ntf (s->rx_fifo, n_read))
342 echo_session_dequeue_notify (s);
344 if (em->test_return_packets)
345 test_recv_bytes (em, s, rx_buf, n_read);
347 s->bytes_received += n_read;
348 s->bytes_to_receive -= n_read;
349 clib_atomic_fetch_add (&em->stats.rx_total, n_read);
354 send_data_chunk (echo_session_t * s, u8 * tx_buf, int offset, int len)
357 int bytes_this_chunk = clib_min (s->bytes_to_send, len - offset);
358 echo_main_t *em = &echo_main;
360 if (!bytes_this_chunk)
362 n_sent = app_send ((app_session_t *) s, tx_buf + offset,
363 bytes_this_chunk, SVM_Q_WAIT);
366 s->bytes_to_send -= n_sent;
367 s->bytes_sent += n_sent;
368 clib_atomic_fetch_add (&em->stats.tx_total, n_sent);
373 mirror_data_chunk (echo_main_t * em, echo_session_t * s, u8 * tx_buf, u64 len)
376 while (n_sent < len && !em->time_to_stop)
377 n_sent += send_data_chunk (s, tx_buf, n_sent, len);
382 echo_check_closed_listener (echo_main_t * em, echo_session_t * s)
385 /* if parent has died, terminate gracefully */
386 if (s->listener_index == SESSION_INVALID_INDEX)
388 ECHO_LOG (3, "%U: listener_index == SESSION_INVALID_INDEX",
389 echo_format_session, s);
392 ls = pool_elt_at_index (em->sessions, s->listener_index);
393 if (ls->session_state < ECHO_SESSION_STATE_CLOSING)
395 ECHO_LOG (3, "%U: ls->session_state (%d) < "
396 "ECHO_SESSION_STATE_CLOSING (%d)",
397 echo_format_session, ls, ls->session_state,
398 ECHO_SESSION_STATE_CLOSING);
402 ECHO_LOG (3, "%U died, close child %U", echo_format_session, ls,
403 echo_format_session, s);
404 echo_update_count_on_session_close (em, s);
405 em->proto_cb_vft->cleanup_cb (s, 1 /* parent_died */ );
409 * Rx/Tx polling thread per connection
412 echo_handle_data (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
414 int n_read, n_sent = 0;
416 n_read = recv_data_chunk (em, s, rx_buf);
417 if ((em->data_source == ECHO_TEST_DATA_SOURCE) && s->bytes_to_send)
418 n_sent = send_data_chunk (s, em->connect_test_data,
419 s->bytes_sent % em->tx_buf_size,
421 else if (em->data_source == ECHO_RX_DATA_SOURCE)
422 n_sent = mirror_data_chunk (em, s, rx_buf, n_read);
423 if (!s->bytes_to_send && !s->bytes_to_receive)
425 /* Session is done, need to close */
426 if (s->session_state == ECHO_SESSION_STATE_AWAIT_DATA)
427 s->session_state = ECHO_SESSION_STATE_CLOSING;
430 s->session_state = ECHO_SESSION_STATE_AWAIT_CLOSING;
431 if (em->send_stream_disconnects == ECHO_CLOSE_F_ACTIVE)
433 echo_send_rpc (em, echo_send_disconnect_session,
434 (echo_rpc_args_t *) & s->vpp_session_handle);
435 clib_atomic_fetch_add (&em->stats.active_count.s, 1);
437 else if (em->send_stream_disconnects == ECHO_CLOSE_F_NONE)
439 s->session_state = ECHO_SESSION_STATE_CLOSING;
440 clib_atomic_fetch_add (&em->stats.clean_count.s, 1);
443 ECHO_LOG (3, "%U: %U", echo_format_session, s,
444 echo_format_session_state, s->session_state);
448 /* Check for idle clients */
451 if (n_sent || n_read)
453 else if (s->idle_cycles++ == LOG_EVERY_N_IDLE_CYCLES)
456 ECHO_LOG (2, "Idle client TX:%dB RX:%dB", s->bytes_to_send,
457 s->bytes_to_receive);
458 ECHO_LOG (2, "Idle FIFOs TX:%dB RX:%dB",
459 svm_fifo_max_dequeue (s->tx_fifo),
460 svm_fifo_max_dequeue (s->rx_fifo));
461 ECHO_LOG (2, "Session 0x%lx state %U", s->vpp_session_handle,
462 echo_format_session_state, s->session_state);
468 echo_data_thread_fn (void *arg)
470 clib_mem_set_thread_index (); /* First thing to do in client thread */
471 echo_main_t *em = &echo_main;
472 u32 N = em->n_clients;
473 u32 n = (N + em->n_rx_threads - 1) / em->n_rx_threads;
477 ECHO_LOG (2, "Thread %u exiting, no sessions to care for", idx);
480 u32 thread_n_sessions = clib_min (n, N - n * idx);
483 u32 n_closed_sessions = 0;
487 vec_validate (rx_buf, em->rx_buf_size);
489 for (i = 0; !em->time_to_stop; i = (i + 1) % thread_n_sessions)
491 n_closed_sessions = i == 0 ? 0 : n_closed_sessions;
492 session_index = em->data_thread_args[n * idx + i];
493 if (session_index == SESSION_INVALID_INDEX)
495 s = pool_elt_at_index (em->sessions, session_index);
496 switch (s->session_state)
498 case ECHO_SESSION_STATE_READY:
499 case ECHO_SESSION_STATE_AWAIT_DATA:
500 echo_handle_data (em, s, rx_buf);
501 echo_check_closed_listener (em, s);
503 case ECHO_SESSION_STATE_AWAIT_CLOSING:
504 ECHO_LOG (3, "%U: %U", echo_format_session, s,
505 echo_format_session_state, s->session_state);
506 echo_check_closed_listener (em, s);
508 case ECHO_SESSION_STATE_CLOSING:
509 ECHO_LOG (3, "%U: %U", echo_format_session, s,
510 echo_format_session_state, s->session_state);
511 echo_update_count_on_session_close (em, s);
512 em->proto_cb_vft->cleanup_cb (s, 0 /* parent_died */ );
514 case ECHO_SESSION_STATE_CLOSED:
515 ECHO_LOG (3, "%U: %U", echo_format_session, s,
516 echo_format_session_state, s->session_state);
520 if (n_closed_sessions == thread_n_sessions)
523 ECHO_LOG (2, "Mission accomplished!");
528 session_unlisten_handler (session_unlisten_reply_msg_t * mp)
531 echo_main_t *em = &echo_main;
533 ls = echo_get_session_from_handle (em, mp->handle);
536 em->proto_cb_vft->cleanup_cb (ls, 0 /* parent_died */ );
537 ls->session_state = ECHO_SESSION_STATE_CLOSED;
538 if (--em->listen_session_cnt == 0)
539 em->state = STATE_DISCONNECTED;
543 session_bound_handler (session_bound_msg_t * mp)
545 echo_main_t *em = &echo_main;
546 echo_session_t *listen_session;
549 ECHO_FAIL (ECHO_FAIL_BIND, "bind failed: %U", format_api_error,
550 clib_net_to_host_u32 (mp->retval));
553 ECHO_LOG (1, "listening on %U:%u", format_ip46_address, mp->lcl_ip,
554 mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
555 clib_net_to_host_u16 (mp->lcl_port));
557 /* Allocate local session and set it up */
558 listen_session = echo_session_new (em);
559 listen_session->session_type = ECHO_SESSION_TYPE_LISTEN;
560 listen_session->vpp_session_handle = mp->handle;
561 echo_session_handle_add_del (em, mp->handle, listen_session->session_index);
562 vec_add1 (em->listen_session_indexes, listen_session->session_index);
563 if (++em->listen_session_cnt == em->n_uris)
564 em->state = STATE_LISTEN;
565 if (em->proto_cb_vft->bound_uri_cb)
566 em->proto_cb_vft->bound_uri_cb (mp, listen_session);
570 session_accepted_handler (session_accepted_msg_t * mp)
572 app_session_evt_t _app_evt, *app_evt = &_app_evt;
573 session_accepted_reply_msg_t *rmp;
574 echo_main_t *em = &echo_main;
575 echo_session_t *session, *ls;
577 if (!(ls = echo_get_session_from_handle (em, mp->listener_handle)))
579 ECHO_FAIL (ECHO_FAIL_SESSION_ACCEPTED_BAD_LISTENER,
580 "Unknown listener handle 0x%lx", mp->listener_handle);
584 /* Allocate local session and set it up */
585 session = echo_session_new (em);
587 if (echo_attach_session (mp->segment_handle, mp->server_rx_fifo,
588 mp->server_tx_fifo, mp->vpp_event_queue_address,
591 ECHO_FAIL (ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,
592 "accepted wait_for_segment_allocation errored");
596 session->vpp_session_handle = mp->handle;
598 /* session->transport needed by app_send_dgram */
599 clib_memcpy_fast (&session->transport.rmt_ip, &mp->rmt.ip,
600 sizeof (ip46_address_t));
601 session->transport.is_ip4 = mp->rmt.is_ip4;
602 session->transport.rmt_port = mp->rmt.port;
603 clib_memcpy_fast (&session->transport.lcl_ip, &em->uri_elts.ip,
604 sizeof (ip46_address_t));
605 session->transport.lcl_port = em->uri_elts.port;
607 session->vpp_session_handle = mp->handle;
608 session->listener_index = ls->session_index;
609 session->start = clib_time_now (&em->clib_time);
611 /* Add it to lookup table */
612 ECHO_LOG (2, "Accepted session 0x%lx S[%u] -> 0x%lx S[%u]",
613 mp->handle, session->session_index,
614 mp->listener_handle, session->listener_index);
615 echo_session_handle_add_del (em, mp->handle, session->session_index);
617 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
618 SESSION_CTRL_EVT_ACCEPTED_REPLY);
619 rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
620 rmp->handle = mp->handle;
621 rmp->context = mp->context;
622 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
623 em->proto_cb_vft->accepted_cb (mp, session);
627 session_connected_handler (session_connected_msg_t * mp)
629 echo_main_t *em = &echo_main;
630 echo_session_t *session;
631 u32 listener_index = htonl (mp->context);
633 clib_atomic_add_fetch (&em->max_sim_connects, 1);
637 if (em->proto_cb_vft->connected_cb)
639 proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp,
640 listener_index, 1 /* is_failed */ );
644 session = echo_session_new (em);
646 if (echo_attach_session (mp->segment_handle, mp->server_rx_fifo,
647 mp->server_tx_fifo, mp->vpp_event_queue_address,
650 ECHO_FAIL (ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC,
651 "connected wait_for_segment_allocation errored");
655 session->vpp_session_handle = mp->handle;
656 session->start = clib_time_now (&em->clib_time);
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 echo_recv_fd (echo_main_t *em, int *fds, int n_fds)
735 if (em->use_app_socket_api)
736 return echo_sapi_recv_fd (em, fds, n_fds);
737 return echo_bapi_recv_fd (em, fds, n_fds);
741 add_segment_handler (session_app_add_segment_msg_t * mp)
743 echo_main_t *em = &echo_main;
744 fifo_segment_main_t *sm = &echo_main.segment_main;
745 fifo_segment_create_args_t _a, *a = &_a;
747 char *seg_name = (char *) mp->segment_name;
748 u64 segment_handle = mp->segment_handle;
750 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
752 vec_validate (fds, 1);
753 if (echo_recv_fd (em, fds, 1))
755 ECHO_LOG (0, "echo_recv_fd failed");
756 em->time_to_stop = 1;
760 if (echo_segment_attach (segment_handle, seg_name, SSVM_SEGMENT_MEMFD,
763 ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
764 "svm_fifo_segment_attach ('%s') "
765 "failed on SSVM_SEGMENT_MEMFD", seg_name);
772 clib_memset (a, 0, sizeof (*a));
773 a->segment_name = seg_name;
774 a->segment_size = mp->segment_size;
775 /* Attach to the segment vpp created */
776 if (fifo_segment_attach (sm, a))
778 ECHO_FAIL (ECHO_FAIL_VL_API_FIFO_SEG_ATTACH,
779 "fifo_segment_attach ('%s') failed", seg_name);
783 ECHO_LOG (2, "Mapped segment 0x%lx", segment_handle);
787 for (i = 0; i < vec_len (fds); i++)
793 del_segment_handler (session_app_del_segment_msg_t * mp)
795 echo_segment_detach (mp->segment_handle);
796 ECHO_LOG (2, "Unmaped segment 0x%lx", mp->segment_handle);
800 cleanup_handler (session_cleanup_msg_t * mp)
802 ECHO_LOG (1, "Cleanup confirmed for 0x%lx", mp->handle);
806 handle_mq_event (session_event_t * e)
808 switch (e->event_type)
810 case SESSION_CTRL_EVT_BOUND:
811 return session_bound_handler ((session_bound_msg_t *) e->data);
812 case SESSION_CTRL_EVT_ACCEPTED:
813 return session_accepted_handler ((session_accepted_msg_t *) e->data);
814 case SESSION_CTRL_EVT_CONNECTED:
815 return session_connected_handler ((session_connected_msg_t *) e->data);
816 case SESSION_CTRL_EVT_DISCONNECTED:
817 return session_disconnected_handler ((session_disconnected_msg_t *)
819 case SESSION_CTRL_EVT_RESET:
820 return session_reset_handler ((session_reset_msg_t *) e->data);
821 case SESSION_CTRL_EVT_UNLISTEN_REPLY:
822 return session_unlisten_handler ((session_unlisten_reply_msg_t *)
824 case SESSION_CTRL_EVT_APP_ADD_SEGMENT:
825 add_segment_handler ((session_app_add_segment_msg_t *) e->data);
827 case SESSION_CTRL_EVT_APP_DEL_SEGMENT:
828 del_segment_handler ((session_app_del_segment_msg_t *) e->data);
830 case SESSION_CTRL_EVT_CLEANUP:
831 cleanup_handler ((session_cleanup_msg_t *) e->data);
833 case SESSION_IO_EVT_RX:
836 ECHO_LOG (1, "unhandled event %u", e->event_type);
841 echo_process_rpcs (echo_main_t * em)
845 svm_msg_q_t *mq = &em->rpc_msq_queue;
847 while (em->state < STATE_DATA_DONE && !em->time_to_stop)
849 if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 1))
853 svm_msg_q_sub_raw (mq, &msg);
854 rpc = svm_msg_q_msg_data (mq, &msg);
855 ((echo_rpc_t) rpc->fp) (em, &rpc->args);
856 svm_msg_q_free_msg (mq, &msg);
861 echo_print_periodic_stats (echo_main_t * em)
863 f64 delta, now = clib_time_now (&em->clib_time);
864 echo_stats_t _st, *st = &_st;
865 echo_stats_t *lst = &em->last_stat_sampling;
866 delta = now - em->last_stat_sampling_ts;
867 if (delta < em->periodic_stats_delta)
870 clib_memcpy_fast (st, &em->stats, sizeof (*st));
871 if (st->rx_total - lst->rx_total)
872 clib_warning ("RX: %U", echo_format_bytes_per_sec,
873 (st->rx_total - lst->rx_total) / delta);
874 if (st->tx_total - lst->tx_total)
875 clib_warning ("TX: %U", echo_format_bytes_per_sec,
876 (st->tx_total - lst->tx_total) / delta);
877 if (st->connected_count.q - lst->connected_count.q)
878 clib_warning ("conn: %d/s",
879 st->connected_count.q - lst->connected_count.q);
880 if (st->accepted_count.q - lst->accepted_count.q)
881 clib_warning ("accept: %d/s",
882 st->accepted_count.q - lst->accepted_count.q);
884 clib_memcpy_fast (lst, st, sizeof (*st));
885 em->last_stat_sampling_ts = now;
889 echo_mq_thread_fn (void *arg)
891 clib_mem_set_thread_index (); /* First thing to do in client thread */
892 svm_msg_q_msg_t *msg_vec = 0;
893 echo_main_t *em = &echo_main;
895 svm_msg_q_msg_t *msg;
899 vec_validate (msg_vec, em->evt_q_size);
900 vec_reset_length (msg_vec);
901 wait_for_state_change (em, STATE_ATTACHED, 0);
903 if (em->state < STATE_ATTACHED || !mq)
905 ECHO_FAIL (ECHO_FAIL_APP_ATTACH, "Application failed to attach");
909 while (em->state < STATE_DETACHED && !em->time_to_stop)
911 if (em->periodic_stats_delta)
912 echo_print_periodic_stats (em);
914 if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 1))
918 for (i = 0; i < svm_msg_q_size (mq); i++)
920 vec_add2 (msg_vec, msg, 1);
921 svm_msg_q_sub_raw (mq, msg);
924 for (i = 0; i < vec_len (msg_vec); i++)
926 msg = vec_elt_at_index (msg_vec, i);
927 e = svm_msg_q_msg_data (mq, msg);
929 svm_msg_q_free_msg (mq, msg); /* No lock, single thread dequeuing */
931 vec_reset_length (msg_vec);
938 echo_cycle_ip (echo_main_t * em, ip46_address_t * ip, ip46_address_t * src_ip,
943 if (i % em->n_uris == 0)
945 clib_memcpy_fast (ip, src_ip, sizeof (*ip));
948 l = em->uri_elts.is_ip4 ? 3 : 15;
949 ipu8 = em->uri_elts.is_ip4 ? ip->ip4.as_u8 : ip->ip6.as_u8;
950 while (ipu8[l] == 0xf)
957 clients_run (echo_main_t * em)
959 echo_connect_args_t _a, *a = &_a;
962 a->context = SESSION_INVALID_INDEX;
963 a->parent_session_handle = SESSION_INVALID_HANDLE;
964 clib_memset (&a->lcl_ip, 0, sizeof (a->lcl_ip));
966 echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT);
967 for (i = 0; i < em->n_connects; i++)
969 echo_cycle_ip (em, &a->ip, &em->uri_elts.ip, i);
971 echo_cycle_ip (em, &a->lcl_ip, &em->lcl_ip, i);
972 echo_send_connect (em, a);
974 wait_for_state_change (em, STATE_READY, 0);
975 ECHO_LOG (2, "App is ready");
976 echo_process_rpcs (em);
980 server_run (echo_main_t * em)
983 ip46_address_t _ip, *ip = &_ip;
984 u32 *listen_session_index;
987 for (i = 0; i < em->n_uris; i++)
989 echo_cycle_ip (em, ip, &em->uri_elts.ip, i);
990 echo_send_listen (em, ip);
992 wait_for_state_change (em, STATE_READY, 0);
993 ECHO_LOG (2, "App is ready");
994 echo_process_rpcs (em);
996 vec_foreach (listen_session_index, em->listen_session_indexes)
998 ECHO_LOG (2, "Unbind listen port %d", em->listen_session_cnt);
999 ls = pool_elt_at_index (em->sessions, *listen_session_index);
1000 echo_send_unbind (em, ls);
1002 if (wait_for_state_change (em, STATE_DISCONNECTED, TIMEOUT))
1004 ECHO_FAIL (ECHO_FAIL_SERVER_DISCONNECT_TIMEOUT,
1005 "Timeout waiting for state disconnected");
1011 print_usage_and_exit (void)
1013 echo_main_t *em = &echo_main;
1016 "Usage: vpp_echo [socket-name SOCKET] [client|server] [uri URI] [OPTIONS]\n"
1017 "Generates traffic and assert correct teardown of the hoststack\n"
1019 " socket-name PATH Specify the binary socket path to connect to VPP\n"
1020 " use-svm-api Use SVM API to connect to VPP\n"
1021 " test-bytes[:assert] Check data correctness when receiving (assert fails on first error)\n"
1022 " fifo-size N[K|M|G] Use N[K|M|G] fifos\n"
1023 " mq-size N Use mq with N slots for [vpp_echo->vpp] communication\n"
1024 " max-sim-connects N Do not allow more than N mq events inflight\n"
1025 " rx-buf N[K|M|G] Use N[Kb|Mb|GB] RX buffer\n"
1026 " tx-buf N[K|M|G] Use N[Kb|Mb|GB] TX test buffer\n"
1027 " appns NAMESPACE Use the namespace NAMESPACE\n"
1028 " all-scope all-scope option\n"
1029 " local-scope local-scope option\n"
1030 " global-scope global-scope option\n"
1031 " secret SECRET set namespace secret\n"
1032 " chroot prefix PATH Use PATH as memory root path\n"
1033 " sclose=[Y|N|W] When stream is done, send[Y]|nop[N]|wait[W] for close\n"
1034 " nuris N Cycle through N consecutive (src&dst) ips when creating connections\n"
1035 " lcl IP Set the local ip to use as a client (use with nuris to set first src ip)\n"
1037 " time START:END Time between evts START & END, events being :\n"
1038 " start - Start of the app\n"
1039 " qconnect - first Connection connect sent\n"
1040 " qconnected - last Connection connected\n"
1041 " sconnect - first Stream connect sent\n"
1042 " sconnected - last Stream got connected\n"
1043 " lastbyte - Last expected byte received\n"
1044 " exit - Exiting of the app\n"
1045 " rx-results-diff Rx results different to pass test\n"
1046 " tx-results-diff Tx results different to pass test\n"
1047 " json Output global stats in json\n"
1048 " stats N Output stats evry N secs\n"
1049 " log=N Set the log level to [0: no output, 1:errors, 2:log]\n"
1050 " crypto [engine] Set the crypto engine [openssl, vpp, picotls, mbedtls]\n"
1052 " nclients N Open N clients sending data\n"
1053 " nthreads N Use N busy loop threads for data [in addition to main & msg queue]\n"
1054 " TX=1337[K|M|G]|RX Send 1337 [K|M|G]bytes, use TX=RX to reflect the data\n"
1055 " RX=1337[K|M|G] Expect 1337 [K|M|G]bytes\n" "\n");
1056 for (i = 0; i < vec_len (em->available_proto_cb_vft); i++)
1058 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1059 if (vft && vft->print_usage_cb)
1060 vft->print_usage_cb ();
1062 fprintf (stderr, "\nDefault configuration is :\n"
1063 " server nclients 1 [quic-streams 1] RX=64Kb TX=RX\n"
1064 " client nclients 1 [quic-streams 1] RX=64Kb TX=64Kb\n");
1065 exit (ECHO_FAIL_USAGE);
1069 echo_process_each_proto_opts (unformat_input_t * a)
1071 echo_main_t *em = &echo_main;
1073 for (i = 0; i < vec_len (em->available_proto_cb_vft); i++)
1075 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1076 if (vft && vft->process_opts_cb)
1077 if ((rv = vft->process_opts_cb (a)))
1084 echo_set_each_proto_defaults_before_opts (echo_main_t * em)
1087 for (i = 0; i < vec_len (em->available_proto_cb_vft); i++)
1089 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1090 if (vft && vft->set_defaults_before_opts_cb)
1091 vft->set_defaults_before_opts_cb ();
1096 echo_process_opts (int argc, char **argv)
1098 echo_main_t *em = &echo_main;
1099 unformat_input_t _argv, *a = &_argv;
1102 u8 default_f_active;
1105 unformat_init_command_line (a, argv);
1106 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1108 if (echo_process_each_proto_opts (a))
1110 else if (unformat (a, "chroot prefix %s", &chroot_prefix))
1111 vl_set_memory_root_path ((char *) chroot_prefix);
1112 else if (unformat (a, "uri %s", &uri))
1113 em->uri = format (0, "%s%c", uri, 0);
1114 else if (unformat (a, "lcl %U", unformat_ip46_address, &em->lcl_ip))
1116 else if (unformat (a, "nuris %u", &em->n_uris))
1117 em->n_sessions = em->n_clients + em->n_uris;
1118 else if (unformat (a, "server"))
1119 em->i_am_master = 1;
1120 else if (unformat (a, "client"))
1121 em->i_am_master = 0;
1122 else if (unformat (a, "test-bytes:assert"))
1123 em->test_return_packets = RETURN_PACKETS_ASSERT;
1124 else if (unformat (a, "test-bytes"))
1125 em->test_return_packets = RETURN_PACKETS_LOG_WRONG;
1126 else if (unformat (a, "socket-name %s", &em->socket_name))
1128 else if (unformat (a, "use-app-socket-api"))
1129 em->use_app_socket_api = 1;
1130 else if (unformat (a, "use-svm-api"))
1131 em->use_sock_api = 0;
1132 else if (unformat (a, "fifo-size %U", unformat_memory_size, &tmp))
1134 if (tmp >= 0x100000000ULL)
1137 "ERROR: fifo-size %ld (0x%lx) too large\n", tmp, tmp);
1138 print_usage_and_exit ();
1140 em->fifo_size = tmp;
1142 else if (unformat (a, "prealloc-fifos %u", &em->prealloc_fifo_pairs))
1145 if (unformat (a, "rx-buf %U", unformat_data_size, &em->rx_buf_size))
1148 if (unformat (a, "tx-buf %U", unformat_data_size, &em->tx_buf_size))
1150 else if (unformat (a, "mq-size %d", &em->evt_q_size))
1152 else if (unformat (a, "nclients %d", &em->n_clients))
1154 em->n_sessions = em->n_clients + em->n_uris;
1155 em->n_connects = em->n_clients;
1157 else if (unformat (a, "nthreads %d", &em->n_rx_threads))
1159 else if (unformat (a, "crypto %U", echo_unformat_crypto_engine, &tmp))
1160 em->crypto_engine = tmp;
1161 else if (unformat (a, "appns %_%v%_", &em->appns_id))
1163 else if (unformat (a, "all-scope"))
1164 em->appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
1165 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
1166 else if (unformat (a, "local-scope"))
1167 em->appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
1168 else if (unformat (a, "global-scope"))
1169 em->appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
1170 else if (unformat (a, "secret %lu", &em->appns_secret))
1172 else if (unformat (a, "TX=RX"))
1173 em->data_source = ECHO_RX_DATA_SOURCE;
1174 else if (unformat (a, "TX=%U", unformat_data_size, &em->bytes_to_send))
1176 else if (unformat (a, "RX=%U", unformat_data_size,
1177 &em->bytes_to_receive))
1179 else if (unformat (a, "rx-results-diff"))
1180 em->rx_results_diff = 1;
1181 else if (unformat (a, "tx-results-diff"))
1182 em->tx_results_diff = 1;
1183 else if (unformat (a, "json"))
1184 em->output_json = 1;
1185 else if (unformat (a, "stats %d", &em->periodic_stats_delta))
1187 else if (unformat (a, "wait-for-gdb"))
1188 em->wait_for_gdb = 1;
1189 else if (unformat (a, "log=%d", &em->log_lvl))
1191 else if (unformat (a, "sclose=%U",
1192 echo_unformat_close, &em->send_stream_disconnects))
1194 else if (unformat (a, "time %U:%U",
1195 echo_unformat_timing_event, &em->timing.start_event,
1196 echo_unformat_timing_event, &em->timing.end_event))
1198 else if (unformat (a, "max-sim-connects %d", &em->max_sim_connects))
1201 print_usage_and_exit ();
1204 /* setting default for unset values
1206 * bytes_to_send / bytes_to_receive & data_source */
1207 if (em->bytes_to_receive == (u64) ~ 0)
1208 em->bytes_to_receive = 64 << 10; /* default */
1209 if (em->bytes_to_send == (u64) ~ 0)
1210 em->bytes_to_send = 64 << 10; /* default */
1211 else if (em->bytes_to_send == 0)
1212 em->data_source = ECHO_NO_DATA_SOURCE;
1214 em->data_source = ECHO_TEST_DATA_SOURCE;
1216 if (em->data_source == ECHO_INVALID_DATA_SOURCE)
1218 em->i_am_master ? ECHO_RX_DATA_SOURCE : ECHO_TEST_DATA_SOURCE;
1219 if (em->data_source == ECHO_RX_DATA_SOURCE)
1220 em->bytes_to_send = em->bytes_to_receive;
1222 /* disconnect flags */
1223 if (em->i_am_master)
1225 em->bytes_to_send == 0 ? ECHO_CLOSE_F_ACTIVE : ECHO_CLOSE_F_PASSIVE;
1228 em->bytes_to_receive == 0 ? ECHO_CLOSE_F_PASSIVE : ECHO_CLOSE_F_ACTIVE;
1229 if (em->send_stream_disconnects == ECHO_CLOSE_F_INVALID)
1230 em->send_stream_disconnects = default_f_active;
1232 if (em->max_sim_connects == 0)
1233 em->max_sim_connects = em->evt_q_size >> 1;
1235 if (em->wait_for_gdb)
1237 volatile u64 nop = 0;
1239 clib_warning ("Waiting for gdb...");
1240 while (em->wait_for_gdb)
1242 clib_warning ("Resuming execution (%llu)!", nop);
1247 echo_needs_crypto (echo_main_t *em)
1249 u8 tr = em->uri_elts.transport_proto;
1250 if (tr == TRANSPORT_PROTO_QUIC || tr == TRANSPORT_PROTO_TLS)
1256 echo_process_uri (echo_main_t * em)
1258 unformat_input_t _input, *input = &_input;
1260 unformat_init_string (input, (char *) em->uri, strlen ((char *) em->uri));
1262 (input, "%U://%U/%d", unformat_transport_proto,
1263 &em->uri_elts.transport_proto, unformat_ip4_address,
1264 &em->uri_elts.ip.ip4, &port))
1265 em->uri_elts.is_ip4 = 1;
1268 (input, "%U://%U/%d", unformat_transport_proto,
1269 &em->uri_elts.transport_proto, unformat_ip6_address,
1270 &em->uri_elts.ip.ip6, &port))
1271 em->uri_elts.is_ip4 = 0;
1273 ECHO_FAIL (ECHO_FAIL_INVALID_URI, "Unable to process uri");
1274 em->uri_elts.port = clib_host_to_net_u16 (port);
1275 unformat_free (input);
1278 static void __clib_constructor
1281 /* init memory before proto register themselves */
1282 echo_main_t *em = &echo_main;
1283 clib_mem_init_thread_safe (0, 256 << 20);
1284 clib_memset (em, 0, sizeof (*em));
1288 echo_detach (echo_main_t *em)
1290 if (em->use_app_socket_api)
1291 return echo_sapi_detach (em);
1293 echo_send_detach (em);
1294 if (wait_for_state_change (em, STATE_DETACHED, TIMEOUT))
1296 ECHO_FAIL (ECHO_FAIL_DETACH, "Couldn't detach from vpp");
1303 echo_add_cert_key (echo_main_t *em)
1305 if (em->use_app_socket_api)
1306 echo_sapi_add_cert_key (em);
1309 echo_send_add_cert_key (em);
1310 if (wait_for_state_change (em, STATE_ATTACHED, TIMEOUT))
1312 ECHO_FAIL (ECHO_FAIL_APP_ATTACH,
1313 "Couldn't add crypto context to vpp\n");
1320 echo_del_cert_key (echo_main_t *em)
1322 if (em->use_app_socket_api)
1323 return echo_sapi_del_cert_key (em);
1325 echo_send_del_cert_key (em);
1326 if (wait_for_state_change (em, STATE_CLEANED_CERT_KEY, TIMEOUT))
1328 ECHO_FAIL (ECHO_FAIL_DEL_CERT_KEY, "Couldn't cleanup cert and key");
1335 echo_disconnect (echo_main_t *em)
1337 if (em->use_app_socket_api)
1340 if (em->use_sock_api)
1341 vl_socket_client_disconnect ();
1343 vl_client_disconnect_from_vlib ();
1347 echo_attach (echo_main_t *em)
1349 if (em->use_app_socket_api)
1350 return echo_sapi_attach (em);
1353 echo_api_hookup (em);
1354 echo_send_attach (em);
1355 if (wait_for_state_change (em, STATE_ATTACHED_NO_CERT, TIMEOUT))
1357 ECHO_FAIL (ECHO_FAIL_ATTACH_TO_VPP,
1358 "Couldn't attach to vpp, did you run <session enable> ?");
1366 main (int argc, char **argv)
1368 echo_main_t *em = &echo_main;
1369 fifo_segment_main_t *sm = &em->segment_main;
1372 svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
1373 u32 rpc_queue_size = 256 << 10;
1375 em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1376 clib_spinlock_init (&em->sid_vpp_handles_lock);
1377 em->shared_segment_handles = hash_create (0, sizeof (uword));
1378 clib_spinlock_init (&em->segment_handles_lock);
1379 em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
1380 em->use_sock_api = 1;
1381 em->fifo_size = 64 << 10;
1382 em->prealloc_fifo_pairs = 16;
1386 em->max_test_msg = 50;
1387 em->time_to_stop = 0;
1388 em->i_am_master = 1;
1389 em->n_rx_threads = 4;
1390 em->evt_q_size = 256;
1392 clib_memset (&em->lcl_ip, 0, sizeof (em->lcl_ip));
1393 em->test_return_packets = RETURN_PACKETS_NOTEST;
1394 em->timing.start_event = ECHO_EVT_FIRST_QCONNECT;
1395 em->timing.end_event = ECHO_EVT_LAST_BYTE;
1396 em->bytes_to_receive = ~0; /* defaulted when we know if server/client */
1397 em->bytes_to_send = ~0; /* defaulted when we know if server/client */
1398 em->rx_buf_size = 1 << 20;
1399 em->tx_buf_size = 1 << 20;
1400 em->data_source = ECHO_INVALID_DATA_SOURCE;
1401 em->uri = format (0, "%s%c", "tcp://0.0.0.0/1234", 0);
1403 em->max_sim_connects = 0;
1404 em->listen_session_cnt = 0;
1405 em->crypto_engine = CRYPTO_ENGINE_NONE;
1406 echo_set_each_proto_defaults_before_opts (em);
1407 echo_process_opts (argc, argv);
1408 echo_process_uri (em);
1409 em->proto_cb_vft = em->available_proto_cb_vft[em->uri_elts.transport_proto];
1410 if (!em->proto_cb_vft)
1412 ECHO_FAIL (ECHO_FAIL_PROTOCOL_NOT_SUPPORTED,
1413 "Protocol %U is not supported",
1414 format_transport_proto, em->uri_elts.transport_proto);
1417 if (em->proto_cb_vft->set_defaults_after_opts_cb)
1418 em->proto_cb_vft->set_defaults_after_opts_cb ();
1420 em->stats.rx_expected = em->bytes_to_receive * em->n_clients;
1421 em->stats.tx_expected = em->bytes_to_send * em->n_clients;
1423 vec_validate (em->data_thread_handles, em->n_rx_threads);
1424 vec_validate (em->data_thread_args, em->n_clients);
1425 for (i = 0; i < em->n_clients; i++)
1426 em->data_thread_args[i] = SESSION_INVALID_INDEX;
1427 clib_time_init (&em->clib_time);
1428 init_error_string_table ();
1429 fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20);
1430 vec_validate (em->connect_test_data, em->tx_buf_size);
1431 for (i = 0; i < em->tx_buf_size; i++)
1432 em->connect_test_data[i] = i & 0xff;
1435 svm_msg_q_ring_cfg_t rc[1] = {
1436 {rpc_queue_size, sizeof (echo_rpc_msg_t), 0},
1439 cfg->consumer_pid = getpid ();
1441 cfg->q_nitems = rpc_queue_size;
1442 cfg->ring_cfgs = rc;
1443 svm_msg_q_attach (&em->rpc_msq_queue, svm_msg_q_alloc (cfg));
1445 signal (SIGINT, stop_signal);
1446 signal (SIGQUIT, stop_signal);
1447 signal (SIGTERM, stop_signal);
1450 format (0, "%s%c", em->i_am_master ? "echo_server" : "echo_client", 0);
1452 if (connect_to_vpp (em))
1455 ECHO_FAIL (ECHO_FAIL_CONNECT_TO_VPP, "Couldn't connect to vpp");
1459 echo_session_prealloc (em);
1460 echo_notify_event (em, ECHO_EVT_START);
1462 if (echo_attach (em))
1465 if (echo_needs_crypto (em))
1467 ECHO_LOG (2, "Adding crypto context %U", echo_format_crypto_engine,
1469 echo_add_cert_key (em);
1473 em->state = STATE_ATTACHED;
1476 if (pthread_create (&em->mq_thread_handle, NULL /*attr */, echo_mq_thread_fn,
1479 ECHO_FAIL (ECHO_FAIL_PTHREAD_CREATE, "pthread create errored");
1483 for (i = 0; i < em->n_rx_threads; i++)
1484 if (pthread_create (&em->data_thread_handles[i],
1485 NULL /*attr */ , echo_data_thread_fn, (void *) i))
1487 ECHO_FAIL (ECHO_FAIL_PTHREAD_CREATE,
1488 "pthread create errored (index %d)", i);
1491 if (em->i_am_master)
1495 echo_notify_event (em, ECHO_EVT_EXIT);
1496 echo_free_sessions (em);
1497 if (echo_needs_crypto (em))
1499 if (echo_del_cert_key (em))
1503 if (echo_detach (em))
1506 pthread_join (em->mq_thread_handle, (void **) &rv);
1509 ECHO_FAIL (ECHO_FAIL_MQ_PTHREAD, "mq pthread errored %d", rv);
1512 echo_disconnect (em);
1513 echo_assert_test_suceeded (em);
1515 ECHO_LOG (1, "Test complete !\n");
1516 if (em->output_json)
1517 print_global_json_stats (em);
1519 print_global_stats (em);
1520 vec_free (em->fail_descr);
1521 vec_free (em->available_proto_cb_vft);
1522 exit (em->has_failed);
1526 * fd.io coding-style-patch-verification: ON
1529 * eval: (c-set-style "gnu")