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;
293 pool_foreach (s, em->sessions)
295 if (s->session_state == ECHO_SESSION_STATE_CLOSED)
296 vec_add1 (session_indexes, s->session_index);
298 vec_foreach (session_index, session_indexes)
301 s = pool_elt_at_index (em->sessions, *session_index);
302 echo_session_detach_fifos (s);
303 echo_session_handle_add_del (em, s->vpp_session_handle,
304 SESSION_INVALID_INDEX);
305 clib_memset (s, 0xfe, sizeof (*s));
306 pool_put (em->sessions, s);
311 test_recv_bytes (echo_main_t * em, echo_session_t * s, u8 * rx_buf,
316 for (i = 0; i < n_read; i++)
318 expected = (s->bytes_received + i) & 0xff;
319 if (rx_buf[i] == expected || em->max_test_msg > 0)
321 ECHO_LOG (1, "Session 0x%lx byte %lld was 0x%x expected 0x%x",
322 s->vpp_session_handle, s->bytes_received + i, rx_buf[i],
325 if (em->max_test_msg == 0)
326 ECHO_LOG (1, "Too many errors, hiding next ones");
327 if (em->test_return_packets == RETURN_PACKETS_ASSERT)
328 ECHO_FAIL (ECHO_FAIL_TEST_BYTES_ERR, "test-bytes errored");
333 recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
336 n_read = app_recv ((app_session_t *) s, rx_buf, vec_len (rx_buf));
339 if (svm_fifo_needs_deq_ntf (s->rx_fifo, n_read))
340 echo_session_dequeue_notify (s);
342 if (em->test_return_packets)
343 test_recv_bytes (em, s, rx_buf, n_read);
345 s->bytes_received += n_read;
346 s->bytes_to_receive -= n_read;
347 clib_atomic_fetch_add (&em->stats.rx_total, n_read);
352 send_data_chunk (echo_session_t * s, u8 * tx_buf, int offset, int len)
355 int bytes_this_chunk = clib_min (s->bytes_to_send, len - offset);
356 echo_main_t *em = &echo_main;
358 if (!bytes_this_chunk)
360 n_sent = app_send ((app_session_t *) s, tx_buf + offset,
361 bytes_this_chunk, SVM_Q_WAIT);
364 s->bytes_to_send -= n_sent;
365 s->bytes_sent += n_sent;
366 clib_atomic_fetch_add (&em->stats.tx_total, n_sent);
371 mirror_data_chunk (echo_main_t * em, echo_session_t * s, u8 * tx_buf, u64 len)
374 while (n_sent < len && !em->time_to_stop)
375 n_sent += send_data_chunk (s, tx_buf, n_sent, len);
380 echo_check_closed_listener (echo_main_t * em, echo_session_t * s)
383 /* if parent has died, terminate gracefully */
384 if (s->listener_index == SESSION_INVALID_INDEX)
386 ECHO_LOG (3, "%U: listener_index == SESSION_INVALID_INDEX",
387 echo_format_session, s);
390 ls = pool_elt_at_index (em->sessions, s->listener_index);
391 if (ls->session_state < ECHO_SESSION_STATE_CLOSING)
393 ECHO_LOG (3, "%U: ls->session_state (%d) < "
394 "ECHO_SESSION_STATE_CLOSING (%d)",
395 echo_format_session, ls, ls->session_state,
396 ECHO_SESSION_STATE_CLOSING);
400 ECHO_LOG (3, "%U died, close child %U", echo_format_session, ls,
401 echo_format_session, s);
402 echo_update_count_on_session_close (em, s);
403 em->proto_cb_vft->cleanup_cb (s, 1 /* parent_died */ );
407 * Rx/Tx polling thread per connection
410 echo_handle_data (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
412 int n_read, n_sent = 0;
414 n_read = recv_data_chunk (em, s, rx_buf);
415 if ((em->data_source == ECHO_TEST_DATA_SOURCE) && s->bytes_to_send)
416 n_sent = send_data_chunk (s, em->connect_test_data,
417 s->bytes_sent % em->tx_buf_size,
419 else if (em->data_source == ECHO_RX_DATA_SOURCE)
420 n_sent = mirror_data_chunk (em, s, rx_buf, n_read);
421 if (!s->bytes_to_send && !s->bytes_to_receive)
423 /* Session is done, need to close */
424 if (s->session_state == ECHO_SESSION_STATE_AWAIT_DATA)
425 s->session_state = ECHO_SESSION_STATE_CLOSING;
428 s->session_state = ECHO_SESSION_STATE_AWAIT_CLOSING;
429 if (em->send_stream_disconnects == ECHO_CLOSE_F_ACTIVE)
431 echo_send_rpc (em, echo_send_disconnect_session,
432 (echo_rpc_args_t *) & s->vpp_session_handle);
433 clib_atomic_fetch_add (&em->stats.active_count.s, 1);
435 else if (em->send_stream_disconnects == ECHO_CLOSE_F_NONE)
437 s->session_state = ECHO_SESSION_STATE_CLOSING;
438 clib_atomic_fetch_add (&em->stats.clean_count.s, 1);
441 ECHO_LOG (3, "%U: %U", echo_format_session, s,
442 echo_format_session_state, s->session_state);
446 /* Check for idle clients */
449 if (n_sent || n_read)
451 else if (s->idle_cycles++ == LOG_EVERY_N_IDLE_CYCLES)
454 ECHO_LOG (2, "Idle client TX:%dB RX:%dB", s->bytes_to_send,
455 s->bytes_to_receive);
456 ECHO_LOG (2, "Idle FIFOs TX:%dB RX:%dB",
457 svm_fifo_max_dequeue (s->tx_fifo),
458 svm_fifo_max_dequeue (s->rx_fifo));
459 ECHO_LOG (2, "Session 0x%lx state %U", s->vpp_session_handle,
460 echo_format_session_state, s->session_state);
466 echo_data_thread_fn (void *arg)
468 clib_mem_set_thread_index (); /* First thing to do in client thread */
469 echo_main_t *em = &echo_main;
470 u32 N = em->n_clients;
471 u32 n = (N + em->n_rx_threads - 1) / em->n_rx_threads;
475 ECHO_LOG (2, "Thread %u exiting, no sessions to care for", idx);
478 u32 thread_n_sessions = clib_min (n, N - n * idx);
481 u32 n_closed_sessions = 0;
485 vec_validate (rx_buf, em->rx_buf_size);
487 for (i = 0; !em->time_to_stop; i = (i + 1) % thread_n_sessions)
489 n_closed_sessions = i == 0 ? 0 : n_closed_sessions;
490 session_index = em->data_thread_args[n * idx + i];
491 if (session_index == SESSION_INVALID_INDEX)
493 s = pool_elt_at_index (em->sessions, session_index);
494 switch (s->session_state)
496 case ECHO_SESSION_STATE_READY:
497 case ECHO_SESSION_STATE_AWAIT_DATA:
498 echo_handle_data (em, s, rx_buf);
499 echo_check_closed_listener (em, s);
501 case ECHO_SESSION_STATE_AWAIT_CLOSING:
502 ECHO_LOG (3, "%U: %U", echo_format_session, s,
503 echo_format_session_state, s->session_state);
504 echo_check_closed_listener (em, s);
506 case ECHO_SESSION_STATE_CLOSING:
507 ECHO_LOG (3, "%U: %U", echo_format_session, s,
508 echo_format_session_state, s->session_state);
509 echo_update_count_on_session_close (em, s);
510 em->proto_cb_vft->cleanup_cb (s, 0 /* parent_died */ );
512 case ECHO_SESSION_STATE_CLOSED:
513 ECHO_LOG (3, "%U: %U", echo_format_session, s,
514 echo_format_session_state, s->session_state);
518 if (n_closed_sessions == thread_n_sessions)
521 ECHO_LOG (2, "Mission accomplished!");
526 session_unlisten_handler (session_unlisten_reply_msg_t * mp)
529 echo_main_t *em = &echo_main;
531 ls = echo_get_session_from_handle (em, mp->handle);
534 em->proto_cb_vft->cleanup_cb (ls, 0 /* parent_died */ );
535 ls->session_state = ECHO_SESSION_STATE_CLOSED;
536 if (--em->listen_session_cnt == 0)
537 em->state = STATE_DISCONNECTED;
541 session_bound_handler (session_bound_msg_t * mp)
543 echo_main_t *em = &echo_main;
544 echo_session_t *listen_session;
547 ECHO_FAIL (ECHO_FAIL_BIND, "bind failed: %U", format_api_error,
548 clib_net_to_host_u32 (mp->retval));
551 ECHO_LOG (1, "listening on %U:%u", format_ip46_address, mp->lcl_ip,
552 mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
553 clib_net_to_host_u16 (mp->lcl_port));
555 /* Allocate local session and set it up */
556 listen_session = echo_session_new (em);
557 listen_session->session_type = ECHO_SESSION_TYPE_LISTEN;
558 listen_session->vpp_session_handle = mp->handle;
559 echo_session_handle_add_del (em, mp->handle, listen_session->session_index);
560 vec_add1 (em->listen_session_indexes, listen_session->session_index);
561 if (++em->listen_session_cnt == em->n_uris)
562 em->state = STATE_LISTEN;
563 if (em->proto_cb_vft->bound_uri_cb)
564 em->proto_cb_vft->bound_uri_cb (mp, listen_session);
568 session_accepted_handler (session_accepted_msg_t * mp)
570 app_session_evt_t _app_evt, *app_evt = &_app_evt;
571 session_accepted_reply_msg_t *rmp;
572 echo_main_t *em = &echo_main;
573 echo_session_t *session, *ls;
575 if (!(ls = echo_get_session_from_handle (em, mp->listener_handle)))
577 ECHO_FAIL (ECHO_FAIL_SESSION_ACCEPTED_BAD_LISTENER,
578 "Unknown listener handle 0x%lx", mp->listener_handle);
582 /* Allocate local session and set it up */
583 session = echo_session_new (em);
585 if (echo_attach_session (mp->segment_handle, mp->server_rx_fifo,
586 mp->server_tx_fifo, mp->vpp_event_queue_address,
589 ECHO_FAIL (ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,
590 "accepted wait_for_segment_allocation errored");
594 session->vpp_session_handle = mp->handle;
596 /* session->transport needed by app_send_dgram */
597 clib_memcpy_fast (&session->transport.rmt_ip, &mp->rmt.ip,
598 sizeof (ip46_address_t));
599 session->transport.is_ip4 = mp->rmt.is_ip4;
600 session->transport.rmt_port = mp->rmt.port;
601 clib_memcpy_fast (&session->transport.lcl_ip, &em->uri_elts.ip,
602 sizeof (ip46_address_t));
603 session->transport.lcl_port = em->uri_elts.port;
605 session->vpp_session_handle = mp->handle;
606 session->listener_index = ls->session_index;
607 session->start = clib_time_now (&em->clib_time);
609 /* Add it to lookup table */
610 ECHO_LOG (2, "Accepted session 0x%lx S[%u] -> 0x%lx S[%u]",
611 mp->handle, session->session_index,
612 mp->listener_handle, session->listener_index);
613 echo_session_handle_add_del (em, mp->handle, session->session_index);
615 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
616 SESSION_CTRL_EVT_ACCEPTED_REPLY);
617 rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
618 rmp->handle = mp->handle;
619 rmp->context = mp->context;
620 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
621 em->proto_cb_vft->accepted_cb (mp, session);
625 session_connected_handler (session_connected_msg_t * mp)
627 echo_main_t *em = &echo_main;
628 echo_session_t *session;
629 u32 listener_index = htonl (mp->context);
631 clib_atomic_add_fetch (&em->max_sim_connects, 1);
635 if (em->proto_cb_vft->connected_cb)
637 proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp,
638 listener_index, 1 /* is_failed */ );
642 session = echo_session_new (em);
644 if (echo_attach_session (mp->segment_handle, mp->server_rx_fifo,
645 mp->server_tx_fifo, mp->vpp_event_queue_address,
648 ECHO_FAIL (ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC,
649 "connected wait_for_segment_allocation errored");
653 session->vpp_session_handle = mp->handle;
654 session->start = clib_time_now (&em->clib_time);
655 session->listener_index = listener_index;
656 /* session->transport needed by app_send_dgram */
657 clib_memcpy_fast (&session->transport.lcl_ip, &mp->lcl.ip,
658 sizeof (ip46_address_t));
659 session->transport.is_ip4 = mp->lcl.is_ip4;
660 session->transport.lcl_port = mp->lcl.port;
661 clib_memcpy_fast (&session->transport.rmt_ip, &em->uri_elts.ip,
662 sizeof (ip46_address_t));
663 session->transport.rmt_port = em->uri_elts.port;
665 echo_session_handle_add_del (em, mp->handle, session->session_index);
666 em->proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp,
667 session->session_index, 0 /* is_failed */ );
672 * End of ECHO callback definitions
677 session_disconnected_handler (session_disconnected_msg_t * mp)
679 app_session_evt_t _app_evt, *app_evt = &_app_evt;
680 session_disconnected_reply_msg_t *rmp;
681 echo_main_t *em = &echo_main;
683 if (!(s = echo_get_session_from_handle (em, mp->handle)))
685 ECHO_LOG (1, "Invalid vpp_session_handle: 0x%lx", mp->handle);
688 if (s->session_state == ECHO_SESSION_STATE_CLOSED)
690 ECHO_LOG (2, "%U: already in ECHO_SESSION_STATE_CLOSED",
691 echo_format_session, s);
695 ECHO_LOG (2, "%U: passive close", echo_format_session, s);
696 em->proto_cb_vft->disconnected_cb (mp, s);
698 app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt,
699 SESSION_CTRL_EVT_DISCONNECTED_REPLY);
700 rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
702 rmp->handle = mp->handle;
703 rmp->context = mp->context;
704 app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt);
708 session_reset_handler (session_reset_msg_t * mp)
710 app_session_evt_t _app_evt, *app_evt = &_app_evt;
711 echo_main_t *em = &echo_main;
712 session_reset_reply_msg_t *rmp;
713 echo_session_t *s = 0;
714 if (!(s = echo_get_session_from_handle (em, mp->handle)))
716 ECHO_LOG (1, "Invalid vpp_session_handle: 0x%lx", mp->handle);
719 ECHO_LOG (2, "%U: session reset", echo_format_session, s);
720 em->proto_cb_vft->reset_cb (mp, s);
722 app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt,
723 SESSION_CTRL_EVT_RESET_REPLY);
724 rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
726 rmp->handle = mp->handle;
727 app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt);
731 echo_recv_fd (echo_main_t *em, int *fds, int n_fds)
733 if (em->use_app_socket_api)
734 return echo_sapi_recv_fd (em, fds, n_fds);
735 return echo_bapi_recv_fd (em, fds, n_fds);
739 add_segment_handler (session_app_add_segment_msg_t * mp)
741 echo_main_t *em = &echo_main;
742 fifo_segment_main_t *sm = &echo_main.segment_main;
743 fifo_segment_create_args_t _a, *a = &_a;
745 char *seg_name = (char *) mp->segment_name;
746 u64 segment_handle = mp->segment_handle;
748 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
750 vec_validate (fds, 1);
751 if (echo_recv_fd (em, fds, 1))
753 ECHO_LOG (0, "echo_recv_fd failed");
754 em->time_to_stop = 1;
758 if (echo_segment_attach (segment_handle, seg_name, SSVM_SEGMENT_MEMFD,
761 ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
762 "svm_fifo_segment_attach ('%s') "
763 "failed on SSVM_SEGMENT_MEMFD", seg_name);
770 clib_memset (a, 0, sizeof (*a));
771 a->segment_name = seg_name;
772 a->segment_size = mp->segment_size;
773 /* Attach to the segment vpp created */
774 if (fifo_segment_attach (sm, a))
776 ECHO_FAIL (ECHO_FAIL_VL_API_FIFO_SEG_ATTACH,
777 "fifo_segment_attach ('%s') failed", seg_name);
781 ECHO_LOG (2, "Mapped segment 0x%lx", segment_handle);
785 for (i = 0; i < vec_len (fds); i++)
791 del_segment_handler (session_app_del_segment_msg_t * mp)
793 echo_segment_detach (mp->segment_handle);
794 ECHO_LOG (2, "Unmaped segment 0x%lx", mp->segment_handle);
798 cleanup_handler (session_cleanup_msg_t * mp)
800 ECHO_LOG (1, "Cleanup confirmed for 0x%lx", mp->handle);
804 handle_mq_event (session_event_t * e)
806 switch (e->event_type)
808 case SESSION_CTRL_EVT_BOUND:
809 return session_bound_handler ((session_bound_msg_t *) e->data);
810 case SESSION_CTRL_EVT_ACCEPTED:
811 return session_accepted_handler ((session_accepted_msg_t *) e->data);
812 case SESSION_CTRL_EVT_CONNECTED:
813 return session_connected_handler ((session_connected_msg_t *) e->data);
814 case SESSION_CTRL_EVT_DISCONNECTED:
815 return session_disconnected_handler ((session_disconnected_msg_t *)
817 case SESSION_CTRL_EVT_RESET:
818 return session_reset_handler ((session_reset_msg_t *) e->data);
819 case SESSION_CTRL_EVT_UNLISTEN_REPLY:
820 return session_unlisten_handler ((session_unlisten_reply_msg_t *)
822 case SESSION_CTRL_EVT_APP_ADD_SEGMENT:
823 add_segment_handler ((session_app_add_segment_msg_t *) e->data);
825 case SESSION_CTRL_EVT_APP_DEL_SEGMENT:
826 del_segment_handler ((session_app_del_segment_msg_t *) e->data);
828 case SESSION_CTRL_EVT_CLEANUP:
829 cleanup_handler ((session_cleanup_msg_t *) e->data);
831 case SESSION_IO_EVT_RX:
834 ECHO_LOG (1, "unhandled event %u", e->event_type);
839 echo_process_rpcs (echo_main_t * em)
843 svm_msg_q_t *mq = &em->rpc_msq_queue;
845 while (em->state < STATE_DATA_DONE && !em->time_to_stop)
847 if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 1))
851 svm_msg_q_sub_raw (mq, &msg);
852 rpc = svm_msg_q_msg_data (mq, &msg);
853 ((echo_rpc_t) rpc->fp) (em, &rpc->args);
854 svm_msg_q_free_msg (mq, &msg);
859 echo_print_periodic_stats (echo_main_t * em)
861 f64 delta, now = clib_time_now (&em->clib_time);
862 echo_stats_t _st, *st = &_st;
863 echo_stats_t *lst = &em->last_stat_sampling;
864 delta = now - em->last_stat_sampling_ts;
865 if (delta < em->periodic_stats_delta)
868 clib_memcpy_fast (st, &em->stats, sizeof (*st));
869 if (st->rx_total - lst->rx_total)
870 clib_warning ("RX: %U", echo_format_bytes_per_sec,
871 (st->rx_total - lst->rx_total) / delta);
872 if (st->tx_total - lst->tx_total)
873 clib_warning ("TX: %U", echo_format_bytes_per_sec,
874 (st->tx_total - lst->tx_total) / delta);
875 if (st->connected_count.q - lst->connected_count.q)
876 clib_warning ("conn: %d/s",
877 st->connected_count.q - lst->connected_count.q);
878 if (st->accepted_count.q - lst->accepted_count.q)
879 clib_warning ("accept: %d/s",
880 st->accepted_count.q - lst->accepted_count.q);
882 clib_memcpy_fast (lst, st, sizeof (*st));
883 em->last_stat_sampling_ts = now;
887 echo_mq_thread_fn (void *arg)
889 clib_mem_set_thread_index (); /* First thing to do in client thread */
890 svm_msg_q_msg_t *msg_vec = 0;
891 echo_main_t *em = &echo_main;
893 svm_msg_q_msg_t *msg;
897 vec_validate (msg_vec, em->evt_q_size);
898 vec_reset_length (msg_vec);
899 wait_for_state_change (em, STATE_ATTACHED, 0);
901 if (em->state < STATE_ATTACHED || !mq)
903 ECHO_FAIL (ECHO_FAIL_APP_ATTACH, "Application failed to attach");
907 while (em->state < STATE_DETACHED && !em->time_to_stop)
909 if (em->periodic_stats_delta)
910 echo_print_periodic_stats (em);
912 if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 1))
916 for (i = 0; i < svm_msg_q_size (mq); i++)
918 vec_add2 (msg_vec, msg, 1);
919 svm_msg_q_sub_raw (mq, msg);
922 for (i = 0; i < vec_len (msg_vec); i++)
924 msg = vec_elt_at_index (msg_vec, i);
925 e = svm_msg_q_msg_data (mq, msg);
927 svm_msg_q_free_msg (mq, msg); /* No lock, single thread dequeuing */
929 vec_reset_length (msg_vec);
936 echo_cycle_ip (echo_main_t * em, ip46_address_t * ip, ip46_address_t * src_ip,
941 if (i % em->n_uris == 0)
943 clib_memcpy_fast (ip, src_ip, sizeof (*ip));
946 l = em->uri_elts.is_ip4 ? 3 : 15;
947 ipu8 = em->uri_elts.is_ip4 ? ip->ip4.as_u8 : ip->ip6.as_u8;
948 while (ipu8[l] == 0xf)
955 clients_run (echo_main_t * em)
957 echo_connect_args_t _a, *a = &_a;
960 a->context = SESSION_INVALID_INDEX;
961 a->parent_session_handle = SESSION_INVALID_HANDLE;
962 clib_memset (&a->lcl_ip, 0, sizeof (a->lcl_ip));
964 echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT);
965 for (i = 0; i < em->n_connects; i++)
967 echo_cycle_ip (em, &a->ip, &em->uri_elts.ip, i);
969 echo_cycle_ip (em, &a->lcl_ip, &em->lcl_ip, i);
970 echo_send_connect (em, a);
972 wait_for_state_change (em, STATE_READY, 0);
973 ECHO_LOG (2, "App is ready");
974 echo_process_rpcs (em);
978 server_run (echo_main_t * em)
981 ip46_address_t _ip, *ip = &_ip;
982 u32 *listen_session_index;
985 for (i = 0; i < em->n_uris; i++)
987 echo_cycle_ip (em, ip, &em->uri_elts.ip, i);
988 echo_send_listen (em, ip);
990 wait_for_state_change (em, STATE_READY, 0);
991 ECHO_LOG (2, "App is ready");
992 echo_process_rpcs (em);
994 vec_foreach (listen_session_index, em->listen_session_indexes)
996 ECHO_LOG (2, "Unbind listen port %d", em->listen_session_cnt);
997 ls = pool_elt_at_index (em->sessions, *listen_session_index);
998 echo_send_unbind (em, ls);
1000 if (wait_for_state_change (em, STATE_DISCONNECTED, TIMEOUT))
1002 ECHO_FAIL (ECHO_FAIL_SERVER_DISCONNECT_TIMEOUT,
1003 "Timeout waiting for state disconnected");
1009 print_usage_and_exit (void)
1011 echo_main_t *em = &echo_main;
1014 "Usage: vpp_echo [socket-name SOCKET] [client|server] [uri URI] [OPTIONS]\n"
1015 "Generates traffic and assert correct teardown of the hoststack\n"
1017 " socket-name PATH Specify the binary socket path to connect to VPP\n"
1018 " use-svm-api Use SVM API to connect to VPP\n"
1019 " test-bytes[:assert] Check data correctness when receiving (assert fails on first error)\n"
1020 " fifo-size N[K|M|G] Use N[K|M|G] fifos\n"
1021 " mq-size N Use mq with N slots for [vpp_echo->vpp] communication\n"
1022 " max-sim-connects N Do not allow more than N mq events inflight\n"
1023 " rx-buf N[K|M|G] Use N[Kb|Mb|GB] RX buffer\n"
1024 " tx-buf N[K|M|G] Use N[Kb|Mb|GB] TX test buffer\n"
1025 " appns NAMESPACE Use the namespace NAMESPACE\n"
1026 " all-scope all-scope option\n"
1027 " local-scope local-scope option\n"
1028 " global-scope global-scope option\n"
1029 " secret SECRET set namespace secret\n"
1030 " chroot prefix PATH Use PATH as memory root path\n"
1031 " sclose=[Y|N|W] When stream is done, send[Y]|nop[N]|wait[W] for close\n"
1032 " nuris N Cycle through N consecutive (src&dst) ips when creating connections\n"
1033 " lcl IP Set the local ip to use as a client (use with nuris to set first src ip)\n"
1035 " time START:END Time between evts START & END, events being :\n"
1036 " start - Start of the app\n"
1037 " qconnect - first Connection connect sent\n"
1038 " qconnected - last Connection connected\n"
1039 " sconnect - first Stream connect sent\n"
1040 " sconnected - last Stream got connected\n"
1041 " lastbyte - Last expected byte received\n"
1042 " exit - Exiting of the app\n"
1043 " rx-results-diff Rx results different to pass test\n"
1044 " tx-results-diff Tx results different to pass test\n"
1045 " json Output global stats in json\n"
1046 " stats N Output stats evry N secs\n"
1047 " log=N Set the log level to [0: no output, 1:errors, 2:log]\n"
1048 " crypto [engine] Set the crypto engine [openssl, vpp, picotls, mbedtls]\n"
1050 " nclients N Open N clients sending data\n"
1051 " nthreads N Use N busy loop threads for data [in addition to main & msg queue]\n"
1052 " TX=1337[K|M|G]|RX Send 1337 [K|M|G]bytes, use TX=RX to reflect the data\n"
1053 " RX=1337[K|M|G] Expect 1337 [K|M|G]bytes\n" "\n");
1054 for (i = 0; i < vec_len (em->available_proto_cb_vft); i++)
1056 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1057 if (vft && vft->print_usage_cb)
1058 vft->print_usage_cb ();
1060 fprintf (stderr, "\nDefault configuration is :\n"
1061 " server nclients 1 [quic-streams 1] RX=64Kb TX=RX\n"
1062 " client nclients 1 [quic-streams 1] RX=64Kb TX=64Kb\n");
1063 exit (ECHO_FAIL_USAGE);
1067 echo_process_each_proto_opts (unformat_input_t * a)
1069 echo_main_t *em = &echo_main;
1071 for (i = 0; i < vec_len (em->available_proto_cb_vft); i++)
1073 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1074 if (vft && vft->process_opts_cb)
1075 if ((rv = vft->process_opts_cb (a)))
1082 echo_set_each_proto_defaults_before_opts (echo_main_t * em)
1085 for (i = 0; i < vec_len (em->available_proto_cb_vft); i++)
1087 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
1088 if (vft && vft->set_defaults_before_opts_cb)
1089 vft->set_defaults_before_opts_cb ();
1094 echo_process_opts (int argc, char **argv)
1096 echo_main_t *em = &echo_main;
1097 unformat_input_t _argv, *a = &_argv;
1100 u8 default_f_active;
1103 unformat_init_command_line (a, argv);
1104 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
1106 if (echo_process_each_proto_opts (a))
1108 else if (unformat (a, "chroot prefix %s", &chroot_prefix))
1109 vl_set_memory_root_path ((char *) chroot_prefix);
1110 else if (unformat (a, "uri %s", &uri))
1111 em->uri = format (0, "%s%c", uri, 0);
1112 else if (unformat (a, "lcl %U", unformat_ip46_address, &em->lcl_ip))
1114 else if (unformat (a, "nuris %u", &em->n_uris))
1115 em->n_sessions = em->n_clients + em->n_uris;
1116 else if (unformat (a, "server"))
1117 em->i_am_master = 1;
1118 else if (unformat (a, "client"))
1119 em->i_am_master = 0;
1120 else if (unformat (a, "test-bytes:assert"))
1121 em->test_return_packets = RETURN_PACKETS_ASSERT;
1122 else if (unformat (a, "test-bytes"))
1123 em->test_return_packets = RETURN_PACKETS_LOG_WRONG;
1124 else if (unformat (a, "socket-name %s", &em->socket_name))
1126 else if (unformat (a, "use-app-socket-api"))
1127 em->use_app_socket_api = 1;
1128 else if (unformat (a, "use-svm-api"))
1129 em->use_sock_api = 0;
1130 else if (unformat (a, "fifo-size %U", unformat_memory_size, &tmp))
1132 if (tmp >= 0x100000000ULL)
1135 "ERROR: fifo-size %ld (0x%lx) too large\n", tmp, tmp);
1136 print_usage_and_exit ();
1138 em->fifo_size = tmp;
1140 else if (unformat (a, "prealloc-fifos %u", &em->prealloc_fifo_pairs))
1143 if (unformat (a, "rx-buf %U", unformat_data_size, &em->rx_buf_size))
1146 if (unformat (a, "tx-buf %U", unformat_data_size, &em->tx_buf_size))
1148 else if (unformat (a, "mq-size %d", &em->evt_q_size))
1150 else if (unformat (a, "nclients %d", &em->n_clients))
1152 em->n_sessions = em->n_clients + em->n_uris;
1153 em->n_connects = em->n_clients;
1155 else if (unformat (a, "nthreads %d", &em->n_rx_threads))
1157 else if (unformat (a, "crypto %U", echo_unformat_crypto_engine, &tmp))
1158 em->crypto_engine = tmp;
1159 else if (unformat (a, "appns %_%v%_", &em->appns_id))
1161 else if (unformat (a, "all-scope"))
1162 em->appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
1163 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
1164 else if (unformat (a, "local-scope"))
1165 em->appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
1166 else if (unformat (a, "global-scope"))
1167 em->appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
1168 else if (unformat (a, "secret %lu", &em->appns_secret))
1170 else if (unformat (a, "TX=RX"))
1171 em->data_source = ECHO_RX_DATA_SOURCE;
1172 else if (unformat (a, "TX=%U", unformat_data_size, &em->bytes_to_send))
1174 else if (unformat (a, "RX=%U", unformat_data_size,
1175 &em->bytes_to_receive))
1177 else if (unformat (a, "rx-results-diff"))
1178 em->rx_results_diff = 1;
1179 else if (unformat (a, "tx-results-diff"))
1180 em->tx_results_diff = 1;
1181 else if (unformat (a, "json"))
1182 em->output_json = 1;
1183 else if (unformat (a, "stats %d", &em->periodic_stats_delta))
1185 else if (unformat (a, "wait-for-gdb"))
1186 em->wait_for_gdb = 1;
1187 else if (unformat (a, "log=%d", &em->log_lvl))
1189 else if (unformat (a, "sclose=%U",
1190 echo_unformat_close, &em->send_stream_disconnects))
1192 else if (unformat (a, "time %U:%U",
1193 echo_unformat_timing_event, &em->timing.start_event,
1194 echo_unformat_timing_event, &em->timing.end_event))
1196 else if (unformat (a, "max-sim-connects %d", &em->max_sim_connects))
1199 print_usage_and_exit ();
1202 /* setting default for unset values
1204 * bytes_to_send / bytes_to_receive & data_source */
1205 if (em->bytes_to_receive == (u64) ~ 0)
1206 em->bytes_to_receive = 64 << 10; /* default */
1207 if (em->bytes_to_send == (u64) ~ 0)
1208 em->bytes_to_send = 64 << 10; /* default */
1209 else if (em->bytes_to_send == 0)
1210 em->data_source = ECHO_NO_DATA_SOURCE;
1212 em->data_source = ECHO_TEST_DATA_SOURCE;
1214 if (em->data_source == ECHO_INVALID_DATA_SOURCE)
1216 em->i_am_master ? ECHO_RX_DATA_SOURCE : ECHO_TEST_DATA_SOURCE;
1217 if (em->data_source == ECHO_RX_DATA_SOURCE)
1218 em->bytes_to_send = em->bytes_to_receive;
1220 /* disconnect flags */
1221 if (em->i_am_master)
1223 em->bytes_to_send == 0 ? ECHO_CLOSE_F_ACTIVE : ECHO_CLOSE_F_PASSIVE;
1226 em->bytes_to_receive == 0 ? ECHO_CLOSE_F_PASSIVE : ECHO_CLOSE_F_ACTIVE;
1227 if (em->send_stream_disconnects == ECHO_CLOSE_F_INVALID)
1228 em->send_stream_disconnects = default_f_active;
1230 if (em->max_sim_connects == 0)
1231 em->max_sim_connects = em->evt_q_size >> 1;
1233 if (em->wait_for_gdb)
1235 volatile u64 nop = 0;
1237 clib_warning ("Waiting for gdb...");
1238 while (em->wait_for_gdb)
1240 clib_warning ("Resuming execution (%llu)!", nop);
1245 echo_needs_crypto (echo_main_t *em)
1247 u8 tr = em->uri_elts.transport_proto;
1248 if (tr == TRANSPORT_PROTO_QUIC || tr == TRANSPORT_PROTO_TLS)
1254 echo_process_uri (echo_main_t * em)
1256 unformat_input_t _input, *input = &_input;
1258 unformat_init_string (input, (char *) em->uri, strlen ((char *) em->uri));
1260 (input, "%U://%U/%d", unformat_transport_proto,
1261 &em->uri_elts.transport_proto, unformat_ip4_address,
1262 &em->uri_elts.ip.ip4, &port))
1263 em->uri_elts.is_ip4 = 1;
1266 (input, "%U://%U/%d", unformat_transport_proto,
1267 &em->uri_elts.transport_proto, unformat_ip6_address,
1268 &em->uri_elts.ip.ip6, &port))
1269 em->uri_elts.is_ip4 = 0;
1271 ECHO_FAIL (ECHO_FAIL_INVALID_URI, "Unable to process uri");
1272 em->uri_elts.port = clib_host_to_net_u16 (port);
1273 unformat_free (input);
1276 static void __clib_constructor
1279 /* init memory before proto register themselves */
1280 echo_main_t *em = &echo_main;
1281 clib_mem_init_thread_safe (0, 256 << 20);
1282 clib_memset (em, 0, sizeof (*em));
1286 echo_detach (echo_main_t *em)
1288 if (em->use_app_socket_api)
1289 return echo_sapi_detach (em);
1291 echo_send_detach (em);
1292 if (wait_for_state_change (em, STATE_DETACHED, TIMEOUT))
1294 ECHO_FAIL (ECHO_FAIL_DETACH, "Couldn't detach from vpp");
1301 echo_add_cert_key (echo_main_t *em)
1303 if (em->use_app_socket_api)
1304 echo_sapi_add_cert_key (em);
1307 echo_send_add_cert_key (em);
1308 if (wait_for_state_change (em, STATE_ATTACHED, TIMEOUT))
1310 ECHO_FAIL (ECHO_FAIL_APP_ATTACH,
1311 "Couldn't add crypto context to vpp\n");
1318 echo_del_cert_key (echo_main_t *em)
1320 if (em->use_app_socket_api)
1321 return echo_sapi_del_cert_key (em);
1323 echo_send_del_cert_key (em);
1324 if (wait_for_state_change (em, STATE_CLEANED_CERT_KEY, TIMEOUT))
1326 ECHO_FAIL (ECHO_FAIL_DEL_CERT_KEY, "Couldn't cleanup cert and key");
1333 echo_disconnect (echo_main_t *em)
1335 if (em->use_app_socket_api)
1338 if (em->use_sock_api)
1339 vl_socket_client_disconnect ();
1341 vl_client_disconnect_from_vlib ();
1345 echo_attach (echo_main_t *em)
1347 if (em->use_app_socket_api)
1348 return echo_sapi_attach (em);
1351 echo_api_hookup (em);
1352 echo_send_attach (em);
1353 if (wait_for_state_change (em, STATE_ATTACHED_NO_CERT, TIMEOUT))
1355 ECHO_FAIL (ECHO_FAIL_ATTACH_TO_VPP,
1356 "Couldn't attach to vpp, did you run <session enable> ?");
1364 main (int argc, char **argv)
1366 echo_main_t *em = &echo_main;
1367 fifo_segment_main_t *sm = &em->segment_main;
1370 svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
1371 u32 rpc_queue_size = 256 << 10;
1373 em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
1374 clib_spinlock_init (&em->sid_vpp_handles_lock);
1375 em->shared_segment_handles = hash_create (0, sizeof (uword));
1376 clib_spinlock_init (&em->segment_handles_lock);
1377 em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
1378 em->use_sock_api = 1;
1379 em->fifo_size = 64 << 10;
1380 em->prealloc_fifo_pairs = 16;
1384 em->max_test_msg = 50;
1385 em->time_to_stop = 0;
1386 em->i_am_master = 1;
1387 em->n_rx_threads = 4;
1388 em->evt_q_size = 256;
1390 clib_memset (&em->lcl_ip, 0, sizeof (em->lcl_ip));
1391 em->test_return_packets = RETURN_PACKETS_NOTEST;
1392 em->timing.start_event = ECHO_EVT_FIRST_QCONNECT;
1393 em->timing.end_event = ECHO_EVT_LAST_BYTE;
1394 em->bytes_to_receive = ~0; /* defaulted when we know if server/client */
1395 em->bytes_to_send = ~0; /* defaulted when we know if server/client */
1396 em->rx_buf_size = 1 << 20;
1397 em->tx_buf_size = 1 << 20;
1398 em->data_source = ECHO_INVALID_DATA_SOURCE;
1399 em->uri = format (0, "%s%c", "tcp://0.0.0.0/1234", 0);
1401 em->max_sim_connects = 0;
1402 em->listen_session_cnt = 0;
1403 em->crypto_engine = CRYPTO_ENGINE_NONE;
1404 echo_set_each_proto_defaults_before_opts (em);
1405 echo_process_opts (argc, argv);
1406 echo_process_uri (em);
1407 em->proto_cb_vft = em->available_proto_cb_vft[em->uri_elts.transport_proto];
1408 if (!em->proto_cb_vft)
1410 ECHO_FAIL (ECHO_FAIL_PROTOCOL_NOT_SUPPORTED,
1411 "Protocol %U is not supported",
1412 format_transport_proto, em->uri_elts.transport_proto);
1415 if (em->proto_cb_vft->set_defaults_after_opts_cb)
1416 em->proto_cb_vft->set_defaults_after_opts_cb ();
1418 em->stats.rx_expected = em->bytes_to_receive * em->n_clients;
1419 em->stats.tx_expected = em->bytes_to_send * em->n_clients;
1421 vec_validate (em->data_thread_handles, em->n_rx_threads);
1422 vec_validate (em->data_thread_args, em->n_clients);
1423 for (i = 0; i < em->n_clients; i++)
1424 em->data_thread_args[i] = SESSION_INVALID_INDEX;
1425 clib_time_init (&em->clib_time);
1426 init_error_string_table ();
1427 fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20);
1428 vec_validate (em->connect_test_data, em->tx_buf_size);
1429 for (i = 0; i < em->tx_buf_size; i++)
1430 em->connect_test_data[i] = i & 0xff;
1432 svm_msg_q_ring_cfg_t rc[1] = {
1433 {rpc_queue_size, sizeof (echo_rpc_msg_t), 0},
1435 cfg->consumer_pid = getpid ();
1437 cfg->q_nitems = rpc_queue_size;
1438 cfg->ring_cfgs = rc;
1439 svm_msg_q_attach (&em->rpc_msq_queue, svm_msg_q_alloc (cfg));
1441 signal (SIGINT, stop_signal);
1442 signal (SIGQUIT, stop_signal);
1443 signal (SIGTERM, stop_signal);
1446 format (0, "%s%c", em->i_am_master ? "echo_server" : "echo_client", 0);
1448 if (connect_to_vpp (em))
1451 ECHO_FAIL (ECHO_FAIL_CONNECT_TO_VPP, "Couldn't connect to vpp");
1455 echo_session_prealloc (em);
1456 echo_notify_event (em, ECHO_EVT_START);
1458 if (echo_attach (em))
1461 if (echo_needs_crypto (em))
1463 ECHO_LOG (2, "Adding crypto context %U", echo_format_crypto_engine,
1465 echo_add_cert_key (em);
1469 em->state = STATE_ATTACHED;
1472 if (pthread_create (&em->mq_thread_handle, NULL /*attr */, echo_mq_thread_fn,
1475 ECHO_FAIL (ECHO_FAIL_PTHREAD_CREATE, "pthread create errored");
1479 for (i = 0; i < em->n_rx_threads; i++)
1480 if (pthread_create (&em->data_thread_handles[i],
1481 NULL /*attr */ , echo_data_thread_fn, (void *) i))
1483 ECHO_FAIL (ECHO_FAIL_PTHREAD_CREATE,
1484 "pthread create errored (index %d)", i);
1487 if (em->i_am_master)
1491 echo_notify_event (em, ECHO_EVT_EXIT);
1492 echo_free_sessions (em);
1493 if (echo_needs_crypto (em))
1495 if (echo_del_cert_key (em))
1499 if (echo_detach (em))
1502 pthread_join (em->mq_thread_handle, (void **) &rv);
1505 ECHO_FAIL (ECHO_FAIL_MQ_PTHREAD, "mq pthread errored %d", rv);
1508 echo_disconnect (em);
1509 echo_assert_test_suceeded (em);
1511 ECHO_LOG (1, "Test complete !\n");
1512 if (em->output_json)
1513 print_global_json_stats (em);
1515 print_global_stats (em);
1516 vec_free (em->fail_descr);
1517 vec_free (em->available_proto_cb_vft);
1518 exit (em->has_failed);
1522 * fd.io coding-style-patch-verification: ON
1525 * eval: (c-set-style "gnu")