2 * echo_client.c - vpp built-in echo client code
4 * Copyright (c) 2017-2019 by Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #include <vnet/vnet.h>
19 #include <vlibapi/api.h>
20 #include <vlibmemory/api.h>
21 #include <hs_apps/echo_client.h>
23 echo_client_main_t echo_client_main;
25 #define ECHO_CLIENT_DBG (0)
26 #define DBG(_fmt, _args...) \
27 if (ECHO_CLIENT_DBG) \
28 clib_warning (_fmt, ##_args)
31 signal_evt_to_cli_i (int *code)
33 echo_client_main_t *ecm = &echo_client_main;
34 ASSERT (vlib_get_thread_index () == 0);
35 vlib_process_signal_event (ecm->vlib_main, ecm->cli_node_index, *code, 0);
39 signal_evt_to_cli (int code)
41 if (vlib_get_thread_index () != 0)
42 vl_api_rpc_call_main_thread (signal_evt_to_cli_i, (u8 *) & code,
45 signal_evt_to_cli_i (&code);
49 send_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
51 u8 *test_data = ecm->connect_test_data;
52 int test_buf_len, test_buf_offset, rv;
55 test_buf_len = vec_len (test_data);
56 ASSERT (test_buf_len > 0);
57 test_buf_offset = s->bytes_sent % test_buf_len;
58 bytes_this_chunk = clib_min (test_buf_len - test_buf_offset,
65 svm_fifo_t *f = s->data.tx_fifo;
66 rv = clib_min (svm_fifo_max_enqueue_prod (f), bytes_this_chunk);
67 svm_fifo_enqueue_nocopy (f, rv);
68 session_send_io_evt_to_thread_custom (
69 &f->shr->master_session_index, s->thread_index, SESSION_IO_EVT_TX);
72 rv = app_send_stream (&s->data, test_data + test_buf_offset,
77 svm_fifo_t *f = s->data.tx_fifo;
78 u32 max_enqueue = svm_fifo_max_enqueue_prod (f);
80 if (max_enqueue < sizeof (session_dgram_hdr_t))
83 max_enqueue -= sizeof (session_dgram_hdr_t);
87 session_dgram_hdr_t hdr;
88 app_session_transport_t *at = &s->data.transport;
90 rv = clib_min (max_enqueue, bytes_this_chunk);
94 clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip,
95 sizeof (ip46_address_t));
96 hdr.is_ip4 = at->is_ip4;
97 hdr.rmt_port = at->rmt_port;
98 clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip,
99 sizeof (ip46_address_t));
100 hdr.lcl_port = at->lcl_port;
101 svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
102 svm_fifo_enqueue_nocopy (f, rv);
103 session_send_io_evt_to_thread_custom (
104 &f->shr->master_session_index, s->thread_index, SESSION_IO_EVT_TX);
108 bytes_this_chunk = clib_min (bytes_this_chunk, max_enqueue);
109 rv = app_send_dgram (&s->data, test_data + test_buf_offset,
110 bytes_this_chunk, 0);
114 /* If we managed to enqueue data... */
117 /* Account for it... */
118 s->bytes_to_send -= rv;
124 ELOG_TYPE_DECLARE (e) =
126 .format = "tx-enq: xfer %d bytes, sent %u remain %u",
127 .format_args = "i4i4i4",
134 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
136 ed->data[1] = s->bytes_sent;
137 ed->data[2] = s->bytes_to_send;
143 receive_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
145 svm_fifo_t *rx_fifo = s->data.rx_fifo;
146 u32 thread_index = vlib_get_thread_index ();
152 n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
153 vec_len (ecm->rx_buf[thread_index]));
155 n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
156 vec_len (ecm->rx_buf[thread_index]));
160 n_read = svm_fifo_max_dequeue_cons (rx_fifo);
161 svm_fifo_dequeue_drop (rx_fifo, n_read);
169 ELOG_TYPE_DECLARE (e) =
171 .format = "rx-deq: %d bytes",
179 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
180 ed->data[0] = n_read;
185 for (i = 0; i < n_read; i++)
187 if (ecm->rx_buf[thread_index][i]
188 != ((s->bytes_received + i) & 0xff))
190 clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
191 n_read, s->bytes_received + i,
192 ecm->rx_buf[thread_index][i],
193 ((s->bytes_received + i) & 0xff));
194 ecm->test_failed = 1;
198 ASSERT (n_read <= s->bytes_to_receive);
199 s->bytes_to_receive -= n_read;
200 s->bytes_received += n_read;
205 echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
206 vlib_frame_t * frame)
208 echo_client_main_t *ecm = &echo_client_main;
209 int my_thread_index = vlib_get_thread_index ();
210 eclient_session_t *sp;
213 u32 *connection_indices;
214 u32 *connections_this_batch;
215 u32 nconnections_this_batch;
217 connection_indices = ecm->connection_index_by_thread[my_thread_index];
218 connections_this_batch =
219 ecm->connections_this_batch_by_thread[my_thread_index];
221 if ((ecm->run_test != ECHO_CLIENTS_RUNNING) ||
222 ((vec_len (connection_indices) == 0)
223 && vec_len (connections_this_batch) == 0))
226 /* Grab another pile of connections */
227 if (PREDICT_FALSE (vec_len (connections_this_batch) == 0))
229 nconnections_this_batch =
230 clib_min (ecm->connections_per_batch, vec_len (connection_indices));
232 ASSERT (nconnections_this_batch > 0);
233 vec_validate (connections_this_batch, nconnections_this_batch - 1);
234 clib_memcpy_fast (connections_this_batch,
235 connection_indices + vec_len (connection_indices)
236 - nconnections_this_batch,
237 nconnections_this_batch * sizeof (u32));
238 _vec_len (connection_indices) -= nconnections_this_batch;
241 if (PREDICT_FALSE (ecm->prev_conns != ecm->connections_per_batch
242 && ecm->prev_conns == vec_len (connections_this_batch)))
245 ecm->prev_conns = vec_len (connections_this_batch);
246 if (ecm->repeats == 500000)
248 clib_warning ("stuck clients");
253 ecm->prev_conns = vec_len (connections_this_batch);
257 for (i = 0; i < vec_len (connections_this_batch); i++)
261 sp = pool_elt_at_index (ecm->sessions, connections_this_batch[i]);
263 if (sp->bytes_to_send > 0)
265 send_data_chunk (ecm, sp);
268 if (sp->bytes_to_receive > 0)
272 if (PREDICT_FALSE (delete_session == 1))
276 clib_atomic_fetch_add (&ecm->tx_total, sp->bytes_sent);
277 clib_atomic_fetch_add (&ecm->rx_total, sp->bytes_received);
278 s = session_get_from_handle_if_valid (sp->vpp_session_handle);
282 vnet_disconnect_args_t _a, *a = &_a;
283 a->handle = session_handle (s);
284 a->app_index = ecm->app_index;
285 vnet_disconnect_session (a);
287 vec_delete (connections_this_batch, 1, i);
289 clib_atomic_fetch_add (&ecm->ready_connections, -1);
293 clib_warning ("session AWOL?");
294 vec_delete (connections_this_batch, 1, i);
297 /* Kick the debug CLI process */
298 if (ecm->ready_connections == 0)
300 signal_evt_to_cli (2);
305 ecm->connection_index_by_thread[my_thread_index] = connection_indices;
306 ecm->connections_this_batch_by_thread[my_thread_index] =
307 connections_this_batch;
312 VLIB_REGISTER_NODE (echo_clients_node) =
314 .function = echo_client_node_fn,
315 .name = "echo-clients",
316 .type = VLIB_NODE_TYPE_INPUT,
317 .state = VLIB_NODE_STATE_DISABLED,
322 echo_clients_init (vlib_main_t * vm)
324 echo_client_main_t *ecm = &echo_client_main;
325 vlib_thread_main_t *vtm = vlib_get_thread_main ();
329 num_threads = 1 /* main thread */ + vtm->n_threads;
331 /* Init test data. Big buffer */
332 vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
333 for (i = 0; i < vec_len (ecm->connect_test_data); i++)
334 ecm->connect_test_data[i] = i & 0xff;
336 vec_validate (ecm->rx_buf, num_threads - 1);
337 for (i = 0; i < num_threads; i++)
338 vec_validate (ecm->rx_buf[i], vec_len (ecm->connect_test_data) - 1);
342 vec_validate (ecm->connection_index_by_thread, vtm->n_vlib_mains);
343 vec_validate (ecm->connections_this_batch_by_thread, vtm->n_vlib_mains);
344 vec_validate (ecm->quic_session_index_by_thread, vtm->n_vlib_mains);
345 vec_validate (ecm->vpp_event_queue, vtm->n_vlib_mains);
351 quic_echo_clients_qsession_connected_callback (u32 app_index, u32 api_context,
355 echo_client_main_t *ecm = &echo_client_main;
356 vnet_connect_args_t *a = 0;
358 u8 thread_index = vlib_get_thread_index ();
359 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
361 session_handle_t handle;
363 DBG ("QUIC Connection handle %d", session_handle (s));
366 a->uri = (char *) ecm->connect_uri;
367 if (parse_uri (a->uri, &sep))
369 sep.parent_handle = handle = session_handle (s);
371 for (stream_n = 0; stream_n < ecm->quic_streams; stream_n++)
373 clib_memset (a, 0, sizeof (*a));
374 a->app_index = ecm->app_index;
375 a->api_context = -1 - api_context;
376 clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
378 DBG ("QUIC opening stream %d", stream_n);
379 if ((rv = vnet_connect (a)))
381 clib_error ("Stream session %d opening failed: %d", stream_n, rv);
384 DBG ("QUIC stream %d connected", stream_n);
387 * 's' is no longer valid, its underlying pool could have been moved in
390 vec_add1 (ecm->quic_session_index_by_thread[thread_index], handle);
396 quic_echo_clients_session_connected_callback (u32 app_index, u32 api_context,
400 echo_client_main_t *ecm = &echo_client_main;
401 eclient_session_t *session;
405 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
410 clib_warning ("connection %d failed!", api_context);
411 ecm->run_test = ECHO_CLIENTS_EXITING;
412 signal_evt_to_cli (-1);
416 if (s->listener_handle == SESSION_INVALID_HANDLE)
417 return quic_echo_clients_qsession_connected_callback (app_index,
420 DBG ("STREAM Connection callback %d", api_context);
422 thread_index = s->thread_index;
423 ASSERT (thread_index == vlib_get_thread_index ()
424 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
426 if (!ecm->vpp_event_queue[thread_index])
427 ecm->vpp_event_queue[thread_index] =
428 session_main_get_vpp_event_queue (thread_index);
433 clib_spinlock_lock_if_init (&ecm->sessions_lock);
434 pool_get (ecm->sessions, session);
435 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
437 clib_memset (session, 0, sizeof (*session));
438 session_index = session - ecm->sessions;
439 session->bytes_to_send = ecm->bytes_to_send;
440 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
441 session->data.rx_fifo = s->rx_fifo;
442 session->data.rx_fifo->shr->client_session_index = session_index;
443 session->data.tx_fifo = s->tx_fifo;
444 session->data.tx_fifo->shr->client_session_index = session_index;
445 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
446 session->vpp_session_handle = session_handle (s);
450 transport_connection_t *tc;
451 tc = session_get_transport (s);
452 clib_memcpy_fast (&session->data.transport, tc,
453 sizeof (session->data.transport));
454 session->data.is_dgram = 1;
457 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
458 clib_atomic_fetch_add (&ecm->ready_connections, 1);
459 if (ecm->ready_connections == ecm->expected_connections)
461 ecm->run_test = ECHO_CLIENTS_RUNNING;
462 /* Signal the CLI process that the action is starting... */
463 signal_evt_to_cli (1);
470 echo_clients_session_connected_callback (u32 app_index, u32 api_context,
471 session_t * s, session_error_t err)
473 echo_client_main_t *ecm = &echo_client_main;
474 eclient_session_t *session;
478 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
483 clib_warning ("connection %d failed!", api_context);
484 ecm->run_test = ECHO_CLIENTS_EXITING;
485 signal_evt_to_cli (-1);
489 thread_index = s->thread_index;
490 ASSERT (thread_index == vlib_get_thread_index ()
491 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
493 if (!ecm->vpp_event_queue[thread_index])
494 ecm->vpp_event_queue[thread_index] =
495 session_main_get_vpp_event_queue (thread_index);
500 clib_spinlock_lock_if_init (&ecm->sessions_lock);
501 pool_get (ecm->sessions, session);
502 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
504 clib_memset (session, 0, sizeof (*session));
505 session_index = session - ecm->sessions;
506 session->bytes_to_send = ecm->bytes_to_send;
507 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
508 session->data.rx_fifo = s->rx_fifo;
509 session->data.rx_fifo->shr->client_session_index = session_index;
510 session->data.tx_fifo = s->tx_fifo;
511 session->data.tx_fifo->shr->client_session_index = session_index;
512 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
513 session->vpp_session_handle = session_handle (s);
517 transport_connection_t *tc;
518 tc = session_get_transport (s);
519 clib_memcpy_fast (&session->data.transport, tc,
520 sizeof (session->data.transport));
521 session->data.is_dgram = 1;
524 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
525 clib_atomic_fetch_add (&ecm->ready_connections, 1);
526 if (ecm->ready_connections == ecm->expected_connections)
528 ecm->run_test = ECHO_CLIENTS_RUNNING;
529 /* Signal the CLI process that the action is starting... */
530 signal_evt_to_cli (1);
537 echo_clients_session_reset_callback (session_t * s)
539 echo_client_main_t *ecm = &echo_client_main;
540 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
542 if (s->session_state == SESSION_STATE_READY)
543 clib_warning ("Reset active connection %U", format_session, s, 2);
545 a->handle = session_handle (s);
546 a->app_index = ecm->app_index;
547 vnet_disconnect_session (a);
552 echo_clients_session_create_callback (session_t * s)
558 echo_clients_session_disconnect_callback (session_t * s)
560 echo_client_main_t *ecm = &echo_client_main;
561 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
562 a->handle = session_handle (s);
563 a->app_index = ecm->app_index;
564 vnet_disconnect_session (a);
569 echo_clients_session_disconnect (session_t * s)
571 echo_client_main_t *ecm = &echo_client_main;
572 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
573 a->handle = session_handle (s);
574 a->app_index = ecm->app_index;
575 vnet_disconnect_session (a);
579 echo_clients_rx_callback (session_t * s)
581 echo_client_main_t *ecm = &echo_client_main;
582 eclient_session_t *sp;
584 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
586 echo_clients_session_disconnect (s);
591 pool_elt_at_index (ecm->sessions, s->rx_fifo->shr->client_session_index);
592 receive_data_chunk (ecm, sp);
594 if (svm_fifo_max_dequeue_cons (s->rx_fifo))
596 if (svm_fifo_set_event (s->rx_fifo))
597 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
603 echo_client_add_segment_callback (u32 client_index, u64 segment_handle)
605 /* New heaps may be added */
610 static session_cb_vft_t echo_clients = {
611 .session_reset_callback = echo_clients_session_reset_callback,
612 .session_connected_callback = echo_clients_session_connected_callback,
613 .session_accept_callback = echo_clients_session_create_callback,
614 .session_disconnect_callback = echo_clients_session_disconnect_callback,
615 .builtin_app_rx_callback = echo_clients_rx_callback,
616 .add_segment_callback = echo_client_add_segment_callback
620 static clib_error_t *
621 echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
623 vnet_app_add_tls_cert_args_t _a_cert, *a_cert = &_a_cert;
624 vnet_app_add_tls_key_args_t _a_key, *a_key = &_a_key;
625 u32 prealloc_fifos, segment_size = 256 << 20;
626 echo_client_main_t *ecm = &echo_client_main;
627 vnet_app_attach_args_t _a, *a = &_a;
631 clib_memset (a, 0, sizeof (*a));
632 clib_memset (options, 0, sizeof (options));
634 a->api_client_index = ~0;
635 a->name = format (0, "echo_client");
636 if (ecm->transport_proto == TRANSPORT_PROTO_QUIC)
637 echo_clients.session_connected_callback =
638 quic_echo_clients_session_connected_callback;
639 a->session_cb_vft = &echo_clients;
641 prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
643 if (ecm->private_segment_size)
644 segment_size = ecm->private_segment_size;
646 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
647 options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
648 options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
649 options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
650 options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
651 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
652 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
653 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
654 options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
655 options[APP_OPTIONS_PCT_FIRST_ALLOC] = 100;
658 options[APP_OPTIONS_FLAGS] |= appns_flags;
659 options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret;
661 a->options = options;
662 a->namespace_id = appns_id;
664 if ((rv = vnet_application_attach (a)))
665 return clib_error_return (0, "attach returned %d", rv);
667 ecm->app_index = a->app_index;
670 clib_memset (a_cert, 0, sizeof (*a_cert));
671 a_cert->app_index = a->app_index;
672 vec_validate (a_cert->cert, test_srv_crt_rsa_len);
673 clib_memcpy_fast (a_cert->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
674 vnet_app_add_tls_cert (a_cert);
676 clib_memset (a_key, 0, sizeof (*a_key));
677 a_key->app_index = a->app_index;
678 vec_validate (a_key->key, test_srv_key_rsa_len);
679 clib_memcpy_fast (a_key->key, test_srv_key_rsa, test_srv_key_rsa_len);
680 vnet_app_add_tls_key (a_key);
685 echo_clients_detach ()
687 echo_client_main_t *ecm = &echo_client_main;
688 vnet_app_detach_args_t _da, *da = &_da;
691 da->app_index = ecm->app_index;
692 da->api_client_index = ~0;
693 rv = vnet_application_detach (da);
694 ecm->test_client_attached = 0;
700 echo_client_thread_fn (void *arg)
705 /** Start a transmit thread */
707 echo_clients_start_tx_pthread (echo_client_main_t * ecm)
709 if (ecm->client_thread_handle == 0)
711 int rv = pthread_create (&ecm->client_thread_handle,
713 echo_client_thread_fn, 0);
716 ecm->client_thread_handle = 0;
724 echo_clients_connect (vlib_main_t * vm, u32 n_clients)
726 echo_client_main_t *ecm = &echo_client_main;
727 vnet_connect_args_t _a, *a = &_a;
730 clib_memset (a, 0, sizeof (*a));
732 for (i = 0; i < n_clients; i++)
734 a->uri = (char *) ecm->connect_uri;
736 a->app_index = ecm->app_index;
738 vlib_worker_thread_barrier_sync (vm);
739 if ((rv = vnet_connect_uri (a)))
741 vlib_worker_thread_barrier_release (vm);
742 return clib_error_return (0, "connect returned: %d", rv);
744 vlib_worker_thread_barrier_release (vm);
746 /* Crude pacing for call setups */
748 vlib_process_suspend (vm, 100e-6);
749 ASSERT (i + 1 >= ecm->ready_connections);
750 while (i + 1 - ecm->ready_connections > 128)
751 vlib_process_suspend (vm, 1e-3);
756 #define ec_cli_output(_fmt, _args...) \
757 if (!ecm->no_output) \
758 vlib_cli_output(vm, _fmt, ##_args)
760 static clib_error_t *
761 echo_clients_command_fn (vlib_main_t * vm,
762 unformat_input_t * input, vlib_cli_command_t * cmd)
764 echo_client_main_t *ecm = &echo_client_main;
765 vlib_thread_main_t *thread_main = vlib_get_thread_main ();
766 u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
767 f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
768 char *default_uri = "tcp://6.0.1.1/1234";
769 uword *event_data = 0, event_type;
770 f64 time_before_connects;
772 int preallocate_sessions = 0;
774 clib_error_t *error = 0;
777 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
780 ecm->quic_streams = 1;
781 ecm->bytes_to_send = 8192;
783 ecm->fifo_size = 64 << 10;
784 ecm->connections_per_batch = 1000;
785 ecm->private_segment_count = 0;
786 ecm->private_segment_size = 0;
789 ecm->test_failed = 0;
791 ecm->tls_engine = CRYPTO_ENGINE_OPENSSL;
793 ecm->run_test = ECHO_CLIENTS_STARTING;
795 if (thread_main->n_vlib_mains > 1)
796 clib_spinlock_init (&ecm->sessions_lock);
797 vec_free (ecm->connect_uri);
799 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
801 if (unformat (input, "uri %s", &ecm->connect_uri))
803 else if (unformat (input, "nclients %d", &n_clients))
805 else if (unformat (input, "quic-streams %d", &ecm->quic_streams))
807 else if (unformat (input, "mbytes %lld", &tmp))
808 ecm->bytes_to_send = tmp << 20;
809 else if (unformat (input, "gbytes %lld", &tmp))
810 ecm->bytes_to_send = tmp << 30;
811 else if (unformat (input, "bytes %lld", &ecm->bytes_to_send))
813 else if (unformat (input, "test-timeout %f", &test_timeout))
815 else if (unformat (input, "syn-timeout %f", &syn_timeout))
817 else if (unformat (input, "no-return"))
819 else if (unformat (input, "fifo-size %d", &ecm->fifo_size))
820 ecm->fifo_size <<= 10;
821 else if (unformat (input, "private-segment-count %d",
822 &ecm->private_segment_count))
824 else if (unformat (input, "private-segment-size %U",
825 unformat_memory_size, &tmp))
827 if (tmp >= 0x100000000ULL)
828 return clib_error_return
829 (0, "private segment size %lld (%llu) too large", tmp, tmp);
830 ecm->private_segment_size = tmp;
832 else if (unformat (input, "preallocate-fifos"))
833 ecm->prealloc_fifos = 1;
834 else if (unformat (input, "preallocate-sessions"))
835 preallocate_sessions = 1;
837 if (unformat (input, "client-batch %d", &ecm->connections_per_batch))
839 else if (unformat (input, "appns %_%v%_", &appns_id))
841 else if (unformat (input, "all-scope"))
842 appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
843 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
844 else if (unformat (input, "local-scope"))
845 appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
846 else if (unformat (input, "global-scope"))
847 appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
848 else if (unformat (input, "secret %lu", &appns_secret))
850 else if (unformat (input, "no-output"))
852 else if (unformat (input, "test-bytes"))
854 else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
857 return clib_error_return (0, "failed: unknown input `%U'",
858 format_unformat_error, input);
861 /* Store cli process node index for signalling */
862 ecm->cli_node_index =
863 vlib_get_current_process (vm)->node_runtime.node_index;
865 if (ecm->is_init == 0)
867 if (echo_clients_init (vm))
868 return clib_error_return (0, "failed init");
872 ecm->ready_connections = 0;
873 ecm->expected_connections = n_clients * ecm->quic_streams;
877 if (!ecm->connect_uri)
879 clib_warning ("No uri provided. Using default: %s", default_uri);
880 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
883 if ((rv = parse_uri ((char *) ecm->connect_uri, &sep)))
884 return clib_error_return (0, "Uri parse error: %d", rv);
885 ecm->transport_proto = sep.transport_proto;
886 ecm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP);
888 #if ECHO_CLIENT_PTHREAD
889 echo_clients_start_tx_pthread ();
892 vlib_worker_thread_barrier_sync (vm);
893 vnet_session_enable_disable (vm, 1 /* turn on session and transports */ );
894 vlib_worker_thread_barrier_release (vm);
896 if (ecm->test_client_attached == 0)
898 if ((error = echo_clients_attach (appns_id, appns_flags, appns_secret)))
901 clib_error_report (error);
906 ecm->test_client_attached = 1;
908 /* Turn on the builtin client input nodes */
909 for (i = 0; i < thread_main->n_vlib_mains; i++)
910 vlib_node_set_state (vlib_mains[i], echo_clients_node.index,
911 VLIB_NODE_STATE_POLLING);
913 if (preallocate_sessions)
914 pool_init_fixed (ecm->sessions, 1.1 * n_clients);
916 /* Fire off connect requests */
917 time_before_connects = vlib_time_now (vm);
918 if ((error = echo_clients_connect (vm, n_clients)))
923 /* Park until the sessions come up, or ten seconds elapse... */
924 vlib_process_wait_for_event_or_clock (vm, syn_timeout);
925 event_type = vlib_process_get_events (vm, &event_data);
929 ec_cli_output ("Timeout with only %d sessions active...",
930 ecm->ready_connections);
931 error = clib_error_return (0, "failed: syn timeout with %d sessions",
932 ecm->ready_connections);
936 delta = vlib_time_now (vm) - time_before_connects;
938 ec_cli_output ("%d three-way handshakes in %.2f seconds %.2f/s",
939 n_clients, delta, ((f64) n_clients) / delta);
941 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
942 ec_cli_output ("Test started at %.6f", ecm->test_start_time);
946 ec_cli_output ("unexpected event(1): %d", event_type);
947 error = clib_error_return (0, "failed: unexpected event(1): %d",
952 /* Now wait for the sessions to finish... */
953 vlib_process_wait_for_event_or_clock (vm, test_timeout);
954 event_type = vlib_process_get_events (vm, &event_data);
958 ec_cli_output ("Timeout with %d sessions still active...",
959 ecm->ready_connections);
960 error = clib_error_return (0, "failed: timeout with %d sessions",
961 ecm->ready_connections);
965 ecm->test_end_time = vlib_time_now (vm);
966 ec_cli_output ("Test finished at %.6f", ecm->test_end_time);
970 ec_cli_output ("unexpected event(2): %d", event_type);
971 error = clib_error_return (0, "failed: unexpected event(2): %d",
976 delta = ecm->test_end_time - ecm->test_start_time;
979 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
980 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
981 ec_cli_output ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
982 total_bytes, total_bytes / (1ULL << 20),
983 total_bytes / (1ULL << 30), delta);
984 ec_cli_output ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
986 ec_cli_output ("%.4f gbit/second %s",
987 (((f64) total_bytes * 8.0) / delta / 1e9),
992 ec_cli_output ("zero delta-t?");
993 error = clib_error_return (0, "failed: zero delta-t");
997 if (ecm->test_bytes && ecm->test_failed)
998 error = clib_error_return (0, "failed: test bytes");
1001 ecm->run_test = ECHO_CLIENTS_EXITING;
1002 vlib_process_wait_for_event_or_clock (vm, 10e-3);
1003 for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
1005 vec_reset_length (ecm->connection_index_by_thread[i]);
1006 vec_reset_length (ecm->connections_this_batch_by_thread[i]);
1007 vec_reset_length (ecm->quic_session_index_by_thread[i]);
1010 pool_free (ecm->sessions);
1012 /* Detach the application, so we can use different fifo sizes next time */
1013 if (ecm->test_client_attached)
1015 if (echo_clients_detach ())
1017 error = clib_error_return (0, "failed: app detach");
1018 ec_cli_output ("WARNING: app detach failed...");
1022 ec_cli_output ("test failed");
1023 vec_free (ecm->connect_uri);
1028 VLIB_CLI_COMMAND (echo_clients_command, static) =
1030 .path = "test echo clients",
1031 .short_help = "test echo clients [nclients %d][[m|g]bytes <bytes>]"
1032 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
1033 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
1034 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
1035 "[uri <tcp://ip/port>][test-bytes][no-output]",
1036 .function = echo_clients_command_fn,
1042 echo_clients_main_init (vlib_main_t * vm)
1044 echo_client_main_t *ecm = &echo_client_main;
1049 VLIB_INIT_FUNCTION (echo_clients_main_init);
1052 * fd.io coding-style-patch-verification: ON
1055 * eval: (c-set-style "gnu")