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 CHECK (em->n_clients * em->bytes_to_receive,
46 em->stats.rx_total, "Not enough data received");
47 CHECK (em->n_clients * em->bytes_to_send,
48 em->stats.tx_total, "Not enough data sent");
49 clib_spinlock_lock (&em->sid_vpp_handles_lock);
50 CHECK (0, hash_elts (em->session_index_by_vpp_handles),
51 "Some sessions are still open");
52 clib_spinlock_unlock (&em->sid_vpp_handles_lock);
56 echo_session_dequeue_notify (echo_session_t * s)
59 if (!svm_fifo_set_event (s->rx_fifo))
62 app_send_io_evt_to_vpp (s->vpp_evt_q, s->rx_fifo->master_session_index,
63 SESSION_IO_EVT_RX, SVM_Q_WAIT)))
64 ECHO_FAIL ("app_send_io_evt_to_vpp errored %d", rv);
65 svm_fifo_clear_deq_ntf (s->rx_fifo);
69 stop_signal (int signum)
71 echo_main_t *em = &echo_main;
76 connect_to_vpp (char *name)
78 echo_main_t *em = &echo_main;
79 api_main_t *am = &api_main;
83 if (vl_socket_client_connect ((char *) em->socket_name, name,
84 0 /* default rx, tx buffer */ ))
86 ECHO_FAIL ("socket connect failed");
90 if (vl_socket_client_init_shm (0, 1 /* want_pthread */ ))
92 ECHO_FAIL ("init shm api failed");
98 if (vl_client_connect_to_vlib ("/vpe-api", name, 32) < 0)
100 ECHO_FAIL ("shmem connect failed");
104 em->vl_input_queue = am->shmem_hdr->vl_input_queue;
105 em->my_client_index = am->my_client_index;
110 echo_event_didnt_happen (u8 e)
112 echo_main_t *em = &echo_main;
113 u8 *s = format (0, "%U", echo_format_timing_event, e);
114 ECHO_LOG (0, "Expected event %s to happend, which did not", s);
119 print_global_json_stats (echo_main_t * em)
121 if (!(em->timing.events_sent & em->timing.start_event))
122 return echo_event_didnt_happen (em->timing.start_event);
123 if (!(em->timing.events_sent & em->timing.end_event))
124 return echo_event_didnt_happen (em->timing.end_event);
125 f64 deltat = em->timing.end_time - em->timing.start_time;
127 format (0, "%U", echo_format_timing_event, em->timing.start_event);
129 format (0, "%U", echo_format_timing_event, em->timing.end_event);
130 fformat (stdout, "{\n");
131 fformat (stdout, "\"time\": \"%.9f\",\n", deltat);
132 fformat (stdout, "\"start_evt\": \"%s\",\n", start_evt);
133 fformat (stdout, "\"end_evt\": \"%s\",\n", end_evt);
134 fformat (stdout, "\"rx_data\": %lld,\n", em->stats.rx_total);
135 fformat (stdout, "\"tx_rx\": %lld,\n", em->stats.tx_total);
136 fformat (stdout, "\"closing\": {\n");
137 fformat (stdout, " \"reset\": { \"q\": %d, \"s\": %d },\n",
138 em->stats.reset_count.q, em->stats.reset_count.s);
139 fformat (stdout, " \"close\": { \"q\": %d, \"s\": %d },\n",
140 em->stats.close_count.q, em->stats.close_count.s);
141 fformat (stdout, " \"active\": { \"q\": %d, \"s\": %d },\n",
142 em->stats.active_count.q, em->stats.active_count.s);
143 fformat (stdout, " \"clean\": { \"q\": %d, \"s\": %d }\n",
144 em->stats.clean_count.q, em->stats.clean_count.s);
145 fformat (stdout, "}\n");
146 fformat (stdout, "}\n");
150 print_global_stats (echo_main_t * em)
153 if (!(em->timing.events_sent & em->timing.start_event))
154 return echo_event_didnt_happen (em->timing.start_event);
155 if (!(em->timing.events_sent & em->timing.end_event))
156 return echo_event_didnt_happen (em->timing.end_event);
157 f64 deltat = em->timing.end_time - em->timing.start_time;
158 s = format (0, "%U:%U",
159 echo_format_timing_event, em->timing.start_event,
160 echo_format_timing_event, em->timing.end_event);
161 fformat (stdout, "Timing %s\n", s);
162 fformat (stdout, "-------- TX --------\n");
163 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.6f seconds\n",
164 em->stats.tx_total, em->stats.tx_total / (1ULL << 20),
165 em->stats.tx_total / (1ULL << 30), deltat);
166 fformat (stdout, "%.4f Gbit/second\n",
167 (em->stats.tx_total * 8.0) / deltat / 1e9);
168 fformat (stdout, "-------- RX --------\n");
169 fformat (stdout, "%lld bytes (%lld mbytes, %lld gbytes) in %.6f seconds\n",
170 em->stats.rx_total, em->stats.rx_total / (1ULL << 20),
171 em->stats.rx_total / (1ULL << 30), deltat);
172 fformat (stdout, "%.4f Gbit/second\n",
173 (em->stats.rx_total * 8.0) / deltat / 1e9);
174 fformat (stdout, "--------------------\n");
175 fformat (stdout, "Received close on %d streams (and %d Quic conn)\n",
176 em->stats.close_count.s, em->stats.close_count.q);
177 fformat (stdout, "Received reset on %d streams (and %d Quic conn)\n",
178 em->stats.reset_count.s, em->stats.reset_count.q);
179 fformat (stdout, "Sent close on %d streams (and %d Quic conn)\n",
180 em->stats.active_count.s, em->stats.active_count.q);
181 fformat (stdout, "Discarded %d streams (and %d Quic conn)\n",
182 em->stats.clean_count.s, em->stats.clean_count.q);
186 echo_update_count_on_session_close (echo_main_t * em, echo_session_t * s)
189 ECHO_LOG (1, "[%lu/%lu] -> S(%x) -> [%lu/%lu]",
190 s->bytes_received, s->bytes_received + s->bytes_to_receive,
191 s->session_index, s->bytes_sent,
192 s->bytes_sent + s->bytes_to_send);
193 clib_atomic_fetch_add (&em->stats.tx_total, s->bytes_sent);
194 clib_atomic_fetch_add (&em->stats.rx_total, s->bytes_received);
196 if (PREDICT_FALSE (em->stats.rx_total ==
197 em->n_clients * em->bytes_to_receive))
198 echo_notify_event (em, ECHO_EVT_LAST_BYTE);
202 echo_free_sessions (echo_main_t * em)
204 /* Free marked sessions */
206 u32 *session_indexes = 0, *session_index;
209 pool_foreach (s, em->sessions,
211 if (s->session_state == ECHO_SESSION_STATE_CLOSED)
212 vec_add1 (session_indexes, s->session_index);}
215 vec_foreach (session_index, session_indexes)
218 s = pool_elt_at_index (em->sessions, *session_index);
219 echo_session_handle_add_del (em, s->vpp_session_handle,
220 SESSION_INVALID_INDEX);
221 pool_put (em->sessions, s);
222 clib_memset (s, 0xfe, sizeof (*s));
227 test_recv_bytes (echo_main_t * em, echo_session_t * s, u8 * rx_buf,
232 for (i = 0; i < n_read; i++)
234 expected = (s->bytes_received + i) & 0xff;
235 if (rx_buf[i] == expected || em->max_test_msg > 0)
237 ECHO_LOG (0, "Session 0x%lx byte %lld was 0x%x expected 0x%x",
238 s->vpp_session_handle, s->bytes_received + i, rx_buf[i],
241 if (em->max_test_msg == 0)
242 ECHO_LOG (0, "Too many errors, hiding next ones");
243 if (em->test_return_packets == RETURN_PACKETS_ASSERT)
244 ECHO_FAIL ("test-bytes errored");
249 recv_data_chunk (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
252 n_read = app_recv ((app_session_t *) s, rx_buf, vec_len (rx_buf));
255 if (svm_fifo_needs_deq_ntf (s->rx_fifo, n_read))
256 echo_session_dequeue_notify (s);
258 if (em->test_return_packets)
259 test_recv_bytes (em, s, rx_buf, n_read);
261 s->bytes_received += n_read;
262 s->bytes_to_receive -= n_read;
267 send_data_chunk (echo_session_t * s, u8 * tx_buf, int offset, int len)
270 int bytes_this_chunk = clib_min (s->bytes_to_send, len - offset);
271 if (!bytes_this_chunk)
273 n_sent = app_send ((app_session_t *) s, tx_buf + offset,
274 bytes_this_chunk, SVM_Q_WAIT);
277 s->bytes_to_send -= n_sent;
278 s->bytes_sent += n_sent;
283 mirror_data_chunk (echo_main_t * em, echo_session_t * s, u8 * tx_buf, u64 len)
286 while (n_sent < len && !em->time_to_stop)
287 n_sent += send_data_chunk (s, tx_buf, n_sent, len);
292 echo_check_closed_listener (echo_main_t * em, echo_session_t * s)
295 /* if parent has died, terminate gracefully */
296 if (s->listener_index == SESSION_INVALID_INDEX)
298 ls = pool_elt_at_index (em->sessions, s->listener_index);
299 if (ls->session_state < ECHO_SESSION_STATE_CLOSING)
301 ECHO_LOG (2, "Session 0%lx died, close child 0x%lx", ls->vpp_session_handle,
302 s->vpp_session_handle);
303 echo_update_count_on_session_close (em, s);
304 em->proto_cb_vft->cleanup_cb (s, 1 /* parent_died */ );
308 * Rx/Tx polling thread per connection
311 echo_handle_data (echo_main_t * em, echo_session_t * s, u8 * rx_buf)
313 int n_read, n_sent = 0;
315 n_read = recv_data_chunk (em, s, rx_buf);
316 if (em->data_source == ECHO_TEST_DATA_SOURCE)
317 n_sent = send_data_chunk (s, em->connect_test_data,
318 s->bytes_sent % em->tx_buf_size,
320 else if (em->data_source == ECHO_RX_DATA_SOURCE)
321 n_sent = mirror_data_chunk (em, s, rx_buf, n_read);
322 if (!s->bytes_to_send && !s->bytes_to_receive)
324 /* Session is done, need to close */
325 if (s->session_state == ECHO_SESSION_STATE_AWAIT_DATA)
326 s->session_state = ECHO_SESSION_STATE_CLOSING;
329 s->session_state = ECHO_SESSION_STATE_AWAIT_CLOSING;
330 if (em->send_stream_disconnects == ECHO_CLOSE_F_ACTIVE)
332 echo_send_rpc (em, echo_send_disconnect_session,
333 (void *) s->vpp_session_handle, 0);
334 clib_atomic_fetch_add (&em->stats.active_count.s, 1);
336 else if (em->send_stream_disconnects == ECHO_CLOSE_F_NONE)
338 s->session_state = ECHO_SESSION_STATE_CLOSING;
339 clib_atomic_fetch_add (&em->stats.clean_count.s, 1);
345 /* Check for idle clients */
348 if (n_sent || n_read)
350 else if (s->idle_cycles++ == 1e7)
353 ECHO_LOG (1, "Idle client TX:%dB RX:%dB", s->bytes_to_send,
354 s->bytes_to_receive);
355 ECHO_LOG (1, "Idle FIFOs TX:%dB RX:%dB",
356 svm_fifo_max_dequeue (s->tx_fifo),
357 svm_fifo_max_dequeue (s->rx_fifo));
358 ECHO_LOG (1, "Session 0x%lx state %u", s->vpp_session_handle,
365 echo_data_thread_fn (void *arg)
367 clib_mem_set_thread_index ();
368 echo_main_t *em = &echo_main;
369 u32 N = em->n_clients;
370 u32 n = (N + em->n_rx_threads - 1) / em->n_rx_threads;
374 ECHO_LOG (1, "Thread %u exiting, no sessions to care for", idx);
377 u32 thread_n_sessions = clib_min (n, N - n * idx);
380 u32 n_closed_sessions = 0;
384 vec_validate (rx_buf, em->rx_buf_size);
386 for (i = 0; !em->time_to_stop; i = (i + 1) % thread_n_sessions)
388 n_closed_sessions = i == 0 ? 0 : n_closed_sessions;
389 session_index = em->data_thread_args[n * idx + i];
390 if (session_index == SESSION_INVALID_INDEX)
392 s = pool_elt_at_index (em->sessions, session_index);
393 switch (s->session_state)
395 case ECHO_SESSION_STATE_READY:
396 case ECHO_SESSION_STATE_AWAIT_DATA:
397 echo_handle_data (em, s, rx_buf);
398 echo_check_closed_listener (em, s);
400 case ECHO_SESSION_STATE_AWAIT_CLOSING:
401 echo_check_closed_listener (em, s);
403 case ECHO_SESSION_STATE_CLOSING:
404 echo_update_count_on_session_close (em, s);
405 em->proto_cb_vft->cleanup_cb (s, 0 /* parent_died */ );
407 case ECHO_SESSION_STATE_CLOSED:
411 if (n_closed_sessions == thread_n_sessions)
418 session_bound_handler (session_bound_msg_t * mp)
420 echo_main_t *em = &echo_main;
421 echo_session_t *listen_session;
424 ECHO_FAIL ("bind failed: %U", format_api_error,
425 clib_net_to_host_u32 (mp->retval));
428 ECHO_LOG (0, "listening on %U:%u", format_ip46_address, mp->lcl_ip,
429 mp->lcl_is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6,
430 clib_net_to_host_u16 (mp->lcl_port));
432 /* Allocate local session and set it up */
433 listen_session = echo_session_new (em);
434 listen_session->session_type = ECHO_SESSION_TYPE_LISTEN;
435 listen_session->vpp_session_handle = mp->handle;
436 echo_session_handle_add_del (em, mp->handle, listen_session->session_index);
437 em->state = STATE_LISTEN;
438 em->listen_session_index = listen_session->session_index;
439 if (em->proto_cb_vft->bound_uri_cb)
440 em->proto_cb_vft->bound_uri_cb (mp, listen_session);
444 session_accepted_handler (session_accepted_msg_t * mp)
446 app_session_evt_t _app_evt, *app_evt = &_app_evt;
447 session_accepted_reply_msg_t *rmp;
448 svm_fifo_t *rx_fifo, *tx_fifo;
449 echo_main_t *em = &echo_main;
450 echo_session_t *session, *ls;
451 /* Allocate local session and set it up */
452 session = echo_session_new (em);
454 if (wait_for_segment_allocation (mp->segment_handle))
456 ECHO_FAIL ("wait_for_segment_allocation errored");
460 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
461 rx_fifo->client_session_index = session->session_index;
462 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
463 tx_fifo->client_session_index = session->session_index;
465 session->rx_fifo = rx_fifo;
466 session->tx_fifo = tx_fifo;
468 /* session->transport needed by app_send_dgram */
469 clib_memcpy_fast (&session->transport.rmt_ip, &mp->rmt.ip,
470 sizeof (ip46_address_t));
471 session->transport.is_ip4 = mp->rmt.is_ip4;
472 session->transport.rmt_port = mp->rmt.port;
473 clib_memcpy_fast (&session->transport.lcl_ip, &em->uri_elts.ip,
474 sizeof (ip46_address_t));
475 session->transport.lcl_port = em->uri_elts.port;
477 session->vpp_session_handle = mp->handle;
478 session->start = clib_time_now (&em->clib_time);
479 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
481 if (!(ls = echo_get_session_from_handle (em, mp->listener_handle)))
483 session->listener_index = ls->session_index;
485 /* Add it to lookup table */
486 ECHO_LOG (1, "Accepted session 0x%lx -> 0x%lx", mp->handle,
487 mp->listener_handle);
488 echo_session_handle_add_del (em, mp->handle, session->session_index);
490 app_alloc_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt,
491 SESSION_CTRL_EVT_ACCEPTED_REPLY);
492 rmp = (session_accepted_reply_msg_t *) app_evt->evt->data;
493 rmp->handle = mp->handle;
494 rmp->context = mp->context;
495 app_send_ctrl_evt_to_vpp (session->vpp_evt_q, app_evt);
496 em->proto_cb_vft->accepted_cb (mp, session);
500 session_connected_handler (session_connected_msg_t * mp)
502 echo_main_t *em = &echo_main;
503 echo_session_t *session;
504 u32 listener_index = htonl (mp->context);
505 svm_fifo_t *rx_fifo, *tx_fifo;
509 ECHO_FAIL ("connection failed with code: %U", format_api_error,
510 clib_net_to_host_u32 (mp->retval));
514 session = echo_session_new (em);
515 if (wait_for_segment_allocation (mp->segment_handle))
517 ECHO_FAIL ("wait_for_segment_allocation errored");
521 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
522 rx_fifo->client_session_index = session->session_index;
523 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
524 tx_fifo->client_session_index = session->session_index;
526 session->rx_fifo = rx_fifo;
527 session->tx_fifo = tx_fifo;
528 session->vpp_session_handle = mp->handle;
529 session->start = clib_time_now (&em->clib_time);
530 session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address,
532 session->listener_index = listener_index;
533 /* session->transport needed by app_send_dgram */
534 clib_memcpy_fast (&session->transport.lcl_ip, &mp->lcl.ip,
535 sizeof (ip46_address_t));
536 session->transport.is_ip4 = mp->lcl.is_ip4;
537 session->transport.lcl_port = mp->lcl.port;
538 clib_memcpy_fast (&session->transport.rmt_ip, &em->uri_elts.ip,
539 sizeof (ip46_address_t));
540 session->transport.rmt_port = em->uri_elts.port;
542 echo_session_handle_add_del (em, mp->handle, session->session_index);
543 em->proto_cb_vft->connected_cb ((session_connected_bundled_msg_t *) mp,
544 session->session_index, 0 /* is_failed */ );
549 * End of ECHO callback definitions
554 session_disconnected_handler (session_disconnected_msg_t * mp)
556 app_session_evt_t _app_evt, *app_evt = &_app_evt;
557 session_disconnected_reply_msg_t *rmp;
558 echo_main_t *em = &echo_main;
560 ECHO_LOG (1, "passive close session 0x%lx", mp->handle);
561 if (!(s = echo_get_session_from_handle (em, mp->handle)))
563 em->proto_cb_vft->disconnected_cb (mp, s);
565 app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt,
566 SESSION_CTRL_EVT_DISCONNECTED_REPLY);
567 rmp = (session_disconnected_reply_msg_t *) app_evt->evt->data;
569 rmp->handle = mp->handle;
570 rmp->context = mp->context;
571 app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt);
575 session_reset_handler (session_reset_msg_t * mp)
577 app_session_evt_t _app_evt, *app_evt = &_app_evt;
578 echo_main_t *em = &echo_main;
579 session_reset_reply_msg_t *rmp;
580 echo_session_t *s = 0;
581 ECHO_LOG (1, "Reset session 0x%lx", mp->handle);
582 if (!(s = echo_get_session_from_handle (em, mp->handle)))
584 em->proto_cb_vft->reset_cb (mp, s);
586 app_alloc_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt,
587 SESSION_CTRL_EVT_RESET_REPLY);
588 rmp = (session_reset_reply_msg_t *) app_evt->evt->data;
590 rmp->handle = mp->handle;
591 app_send_ctrl_evt_to_vpp (s->vpp_evt_q, app_evt);
595 handle_mq_event (session_event_t * e)
597 switch (e->event_type)
599 case SESSION_CTRL_EVT_BOUND:
600 session_bound_handler ((session_bound_msg_t *) e->data);
602 case SESSION_CTRL_EVT_ACCEPTED:
603 session_accepted_handler ((session_accepted_msg_t *) e->data);
605 case SESSION_CTRL_EVT_CONNECTED:
606 session_connected_handler ((session_connected_msg_t *) e->data);
608 case SESSION_CTRL_EVT_DISCONNECTED:
609 session_disconnected_handler ((session_disconnected_msg_t *) e->data);
611 case SESSION_CTRL_EVT_RESET:
612 session_reset_handler ((session_reset_msg_t *) e->data);
614 case SESSION_IO_EVT_RX:
617 ECHO_LOG (0, "unhandled event %u", e->event_type);
622 echo_process_rpcs (echo_main_t * em)
626 while (em->state < STATE_DATA_DONE && !em->time_to_stop)
628 if (svm_msg_q_sub (em->rpc_msq_queue, &msg, SVM_Q_TIMEDWAIT, 1))
630 rpc = svm_msg_q_msg_data (em->rpc_msq_queue, &msg);
631 ((echo_rpc_t) rpc->fp) (rpc->arg, rpc->opaque);
632 svm_msg_q_free_msg (em->rpc_msq_queue, &msg);
637 echo_mq_thread_fn (void *arg)
639 clib_mem_set_thread_index ();
640 echo_main_t *em = &echo_main;
644 wait_for_state_change (em, STATE_ATTACHED, 0);
645 if (em->state < STATE_ATTACHED || !em->our_event_queue)
647 ECHO_FAIL ("Application failed to attach");
653 if (!(rv = svm_msg_q_sub (em->our_event_queue,
654 &msg, SVM_Q_TIMEDWAIT, 1)))
656 e = svm_msg_q_msg_data (em->our_event_queue, &msg);
658 svm_msg_q_free_msg (em->our_event_queue, &msg);
661 && (em->time_to_stop || em->state == STATE_DETACHED))
668 clients_run (echo_main_t * em)
671 echo_notify_event (em, ECHO_EVT_FIRST_QCONNECT);
672 for (i = 0; i < em->n_connects; i++)
673 echo_send_connect (em->uri, SESSION_INVALID_INDEX);
674 wait_for_state_change (em, STATE_READY, 0);
675 ECHO_LOG (1, "App is ready");
676 echo_process_rpcs (em);
680 server_run (echo_main_t * em)
682 echo_send_listen (em);
683 wait_for_state_change (em, STATE_READY, 0);
684 ECHO_LOG (1, "App is ready");
685 echo_process_rpcs (em);
687 echo_send_unbind (em);
688 if (wait_for_state_change (em, STATE_DISCONNECTED, TIMEOUT))
690 ECHO_FAIL ("Timeout waiting for state disconnected");
696 print_usage_and_exit (void)
698 echo_main_t *em = &echo_main;
701 "Usage: vpp_echo [socket-name SOCKET] [client|server] [uri URI] [OPTIONS]\n"
702 "Generates traffic and assert correct teardown of the QUIC hoststack\n"
704 " socket-name PATH Specify the binary socket path to connect to VPP\n"
705 " use-svm-api Use SVM API to connect to VPP\n"
706 " test-bytes[:assert] Check data correctness when receiving (assert fails on first error)\n"
707 " fifo-size N Use N Kb fifos\n"
708 " rx-buf N Use N Kb RX buffer\n"
709 " tx-buf N Use N Kb TX test buffer\n"
710 " appns NAMESPACE Use the namespace NAMESPACE\n"
711 " all-scope all-scope option\n"
712 " local-scope local-scope option\n"
713 " global-scope global-scope option\n"
714 " secret SECRET set namespace secret\n"
715 " chroot prefix PATH Use PATH as memory root path\n"
716 " sclose=[Y|N|W] When a stream is done, pass[N] send[Y] or wait[W] for close\n"
718 " time START:END Time between evts START & END, events being :\n"
719 " start - Start of the app\n"
720 " qconnect - first Connection connect sent\n"
721 " qconnected - last Connection connected\n"
722 " sconnect - first Stream connect sent\n"
723 " sconnected - last Stream got connected\n"
724 " lastbyte - Last expected byte received\n"
725 " exit - Exiting of the app\n"
726 " json Output global stats in json\n"
727 " log=N Set the log level to [0: no output, 1:errors, 2:log]\n"
729 " nclients N Open N clients sending data\n"
730 " nthreads N Use N busy loop threads for data [in addition to main & msg queue]\n"
731 " TX=1337[Kb|Mb|GB] Send 1337 [K|M|G]bytes, use TX=RX to reflect the data\n"
732 " RX=1337[Kb|Mb|GB] Expect 1337 [K|M|G]bytes\n" "\n");
733 for (i = 0; i < TRANSPORT_N_PROTO; i++)
735 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
736 if (vft && vft->print_usage_cb)
737 vft->print_usage_cb ();
739 fprintf (stderr, "\nDefault configuration is :\n"
740 " server nclients 1/1 RX=64Kb TX=RX\n"
741 " client nclients 1/1 RX=64Kb TX=64Kb\n");
746 echo_process_each_proto_opts (unformat_input_t * a)
748 echo_main_t *em = &echo_main;
750 for (i = 0; i < TRANSPORT_N_PROTO; i++)
752 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
753 if (vft && vft->process_opts_cb)
754 if ((rv = vft->process_opts_cb (a)))
761 echo_set_each_proto_defaults_before_opts (echo_main_t * em)
764 for (i = 0; i < TRANSPORT_N_PROTO; i++)
766 echo_proto_cb_vft_t *vft = em->available_proto_cb_vft[i];
767 if (vft && vft->set_defaults_before_opts_cb)
768 vft->set_defaults_before_opts_cb ();
773 echo_process_opts (int argc, char **argv)
775 echo_main_t *em = &echo_main;
776 unformat_input_t _argv, *a = &_argv;
782 unformat_init_command_line (a, argv);
783 while (unformat_check_input (a) != UNFORMAT_END_OF_INPUT)
785 if (echo_process_each_proto_opts (a))
787 else if (unformat (a, "chroot prefix %s", &chroot_prefix))
788 vl_set_memory_root_path ((char *) chroot_prefix);
789 else if (unformat (a, "uri %s", &uri))
790 em->uri = format (0, "%s%c", uri, 0);
791 else if (unformat (a, "server"))
793 else if (unformat (a, "client"))
795 else if (unformat (a, "test-bytes:assert"))
796 em->test_return_packets = RETURN_PACKETS_ASSERT;
797 else if (unformat (a, "test-bytes"))
798 em->test_return_packets = RETURN_PACKETS_LOG_WRONG;
799 else if (unformat (a, "socket-name %s", &em->socket_name))
801 else if (unformat (a, "use-svm-api"))
802 em->use_sock_api = 0;
803 else if (unformat (a, "fifo-size %d", &tmp))
804 em->fifo_size = tmp << 10;
805 else if (unformat (a, "rx-buf %d", &tmp))
806 em->rx_buf_size = tmp << 10;
807 else if (unformat (a, "tx-buf %d", &tmp))
808 em->rx_buf_size = tmp << 10;
809 else if (unformat (a, "nclients %d", &em->n_clients))
811 em->n_sessions = em->n_clients + 1;
812 em->n_connects = em->n_clients;
814 else if (unformat (a, "nthreads %d", &em->n_rx_threads))
816 else if (unformat (a, "appns %_%v%_", &em->appns_id))
818 else if (unformat (a, "all-scope"))
819 em->appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
820 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
821 else if (unformat (a, "local-scope"))
822 em->appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
823 else if (unformat (a, "global-scope"))
824 em->appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
825 else if (unformat (a, "secret %lu", &em->appns_secret))
827 else if (unformat (a, "TX=RX"))
828 em->data_source = ECHO_RX_DATA_SOURCE;
829 else if (unformat (a, "TX=%U", unformat_data, &em->bytes_to_send))
831 else if (unformat (a, "RX=%U", unformat_data, &em->bytes_to_receive))
833 else if (unformat (a, "json"))
835 else if (unformat (a, "log=%d", &em->log_lvl))
837 else if (unformat (a, "sclose=%U",
838 echo_unformat_close, &em->send_stream_disconnects))
840 else if (unformat (a, "time %U:%U",
841 echo_unformat_timing_event, &em->timing.start_event,
842 echo_unformat_timing_event, &em->timing.end_event))
845 print_usage_and_exit ();
848 /* setting default for unset values
850 * bytes_to_send / bytes_to_receive & data_source */
851 if (em->bytes_to_receive == (u64) ~ 0)
852 em->bytes_to_receive = 64 << 10; /* default */
853 if (em->bytes_to_send == (u64) ~ 0)
854 em->bytes_to_send = 64 << 10; /* default */
855 else if (em->bytes_to_send == 0)
856 em->data_source = ECHO_NO_DATA_SOURCE;
858 em->data_source = ECHO_TEST_DATA_SOURCE;
860 if (em->data_source == ECHO_INVALID_DATA_SOURCE)
862 em->i_am_master ? ECHO_RX_DATA_SOURCE : ECHO_TEST_DATA_SOURCE;
863 if (em->data_source == ECHO_RX_DATA_SOURCE)
864 em->bytes_to_send = em->bytes_to_receive;
866 /* disconnect flags */
869 em->bytes_to_send == 0 ? ECHO_CLOSE_F_ACTIVE : ECHO_CLOSE_F_PASSIVE;
872 em->bytes_to_receive == 0 ? ECHO_CLOSE_F_PASSIVE : ECHO_CLOSE_F_ACTIVE;
873 if (em->send_stream_disconnects == ECHO_CLOSE_F_INVALID)
874 em->send_stream_disconnects = default_f_active;
878 echo_process_uri (echo_main_t * em)
880 unformat_input_t _input, *input = &_input;
882 unformat_init_string (input, (char *) em->uri, strlen ((char *) em->uri));
884 (input, "%U://%U/%d", unformat_transport_proto,
885 &em->uri_elts.transport_proto, unformat_ip4_address,
886 &em->uri_elts.ip.ip4, &port))
887 em->uri_elts.is_ip4 = 1;
890 (input, "%U://%U/%d", unformat_transport_proto,
891 &em->uri_elts.transport_proto, unformat_ip6_address,
892 &em->uri_elts.ip.ip6, &port))
893 em->uri_elts.is_ip4 = 0;
895 ECHO_FAIL ("Unable to process uri");
896 em->uri_elts.port = clib_host_to_net_u16 (port);
897 unformat_free (input);
900 static void __clib_constructor
903 /* init memory before proto register themselves */
904 echo_main_t *em = &echo_main;
905 clib_mem_init_thread_safe (0, 256 << 20);
906 clib_memset (em, 0, sizeof (*em));
910 main (int argc, char **argv)
912 echo_main_t *em = &echo_main;
913 fifo_segment_main_t *sm = &em->segment_main;
916 svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
917 u32 rpc_queue_size = 64 << 10;
919 em->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
920 clib_spinlock_init (&em->sid_vpp_handles_lock);
921 em->shared_segment_handles = hash_create (0, sizeof (uword));
922 clib_spinlock_init (&em->segment_handles_lock);
923 em->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
924 em->use_sock_api = 1;
925 em->fifo_size = 64 << 10;
929 em->max_test_msg = 50;
930 em->time_to_stop = 0;
932 em->n_rx_threads = 4;
933 em->test_return_packets = RETURN_PACKETS_NOTEST;
934 em->timing.start_event = ECHO_EVT_FIRST_QCONNECT;
935 em->timing.end_event = ECHO_EVT_LAST_BYTE;
936 em->bytes_to_receive = ~0; /* defaulted when we know if server/client */
937 em->bytes_to_send = ~0; /* defaulted when we know if server/client */
938 em->rx_buf_size = 1 << 20;
939 em->tx_buf_size = 1 << 20;
940 em->data_source = ECHO_INVALID_DATA_SOURCE;
941 em->uri = format (0, "%s%c", "tcp://0.0.0.0/1234", 0);
942 echo_set_each_proto_defaults_before_opts (em);
943 echo_process_opts (argc, argv);
944 echo_process_uri (em);
945 em->proto_cb_vft = em->available_proto_cb_vft[em->uri_elts.transport_proto];
946 if (!em->proto_cb_vft)
948 ECHO_FAIL ("Protocol %U is not supported",
949 format_transport_proto, em->uri_elts.transport_proto);
952 if (em->proto_cb_vft->set_defaults_after_opts_cb)
953 em->proto_cb_vft->set_defaults_after_opts_cb ();
955 vec_validate (em->data_thread_handles, em->n_rx_threads);
956 vec_validate (em->data_thread_args, em->n_clients);
957 for (i = 0; i < em->n_clients; i++)
958 em->data_thread_args[i] = SESSION_INVALID_INDEX;
959 clib_time_init (&em->clib_time);
960 init_error_string_table ();
961 fifo_segment_main_init (sm, HIGH_SEGMENT_BASEVA, 20);
962 vec_validate (em->connect_test_data, em->tx_buf_size);
963 for (i = 0; i < em->tx_buf_size; i++)
964 em->connect_test_data[i] = i & 0xff;
967 svm_msg_q_ring_cfg_t rc[1] = {
968 {rpc_queue_size, sizeof (echo_rpc_msg_t), 0},
971 cfg->consumer_pid = getpid ();
973 cfg->q_nitems = rpc_queue_size;
975 em->rpc_msq_queue = svm_msg_q_alloc (cfg);
977 signal (SIGINT, stop_signal);
978 signal (SIGQUIT, stop_signal);
979 signal (SIGTERM, stop_signal);
980 echo_api_hookup (em);
982 app_name = em->i_am_master ? "echo_server" : "echo_client";
983 if (connect_to_vpp (app_name))
986 ECHO_FAIL ("Couldn't connect to vpe, exiting...\n");
990 echo_session_prealloc (em);
991 echo_notify_event (em, ECHO_EVT_START);
993 echo_send_attach (em);
994 if (wait_for_state_change (em, STATE_ATTACHED, TIMEOUT))
996 ECHO_FAIL ("Couldn't attach to vpp, did you run <session enable> ?\n");
999 if (pthread_create (&em->mq_thread_handle,
1000 NULL /*attr */ , echo_mq_thread_fn, 0))
1002 ECHO_FAIL ("pthread create errored\n");
1005 for (i = 0; i < em->n_rx_threads; i++)
1006 if (pthread_create (&em->data_thread_handles[i],
1007 NULL /*attr */ , echo_data_thread_fn, (void *) i))
1009 ECHO_FAIL ("pthread create errored\n");
1012 if (em->i_am_master)
1016 echo_notify_event (em, ECHO_EVT_EXIT);
1017 if (em->output_json)
1018 print_global_json_stats (em);
1020 print_global_stats (em);
1021 echo_free_sessions (em);
1022 echo_assert_test_suceeded (em);
1023 echo_send_detach (em);
1024 if (wait_for_state_change (em, STATE_DETACHED, TIMEOUT))
1026 ECHO_FAIL ("ECHO-ERROR: Couldn't detach from vpp, exiting...\n");
1030 pthread_join (em->mq_thread_handle, (void **) &rv);
1033 ECHO_FAIL ("mq pthread errored %d", rv);
1036 if (em->use_sock_api)
1037 vl_socket_client_disconnect ();
1039 vl_client_disconnect_from_vlib ();
1040 ECHO_LOG (0, "Test complete !\n");
1041 exit (em->has_failed);
1045 * fd.io coding-style-patch-verification: ON
1048 * eval: (c-set-style "gnu")