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 (&f->master_session_index,
73 rv = app_send_stream (&s->data, test_data + test_buf_offset,
78 svm_fifo_t *f = s->data.tx_fifo;
79 u32 max_enqueue = svm_fifo_max_enqueue_prod (f);
81 if (max_enqueue < sizeof (session_dgram_hdr_t))
84 max_enqueue -= sizeof (session_dgram_hdr_t);
88 session_dgram_hdr_t hdr;
89 app_session_transport_t *at = &s->data.transport;
91 rv = clib_min (max_enqueue, bytes_this_chunk);
95 clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip,
96 sizeof (ip46_address_t));
97 hdr.is_ip4 = at->is_ip4;
98 hdr.rmt_port = at->rmt_port;
99 clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip,
100 sizeof (ip46_address_t));
101 hdr.lcl_port = at->lcl_port;
102 svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
103 svm_fifo_enqueue_nocopy (f, rv);
104 session_send_io_evt_to_thread_custom (&f->master_session_index,
110 bytes_this_chunk = clib_min (bytes_this_chunk, max_enqueue);
111 rv = app_send_dgram (&s->data, test_data + test_buf_offset,
112 bytes_this_chunk, 0);
116 /* If we managed to enqueue data... */
119 /* Account for it... */
120 s->bytes_to_send -= rv;
126 ELOG_TYPE_DECLARE (e) =
128 .format = "tx-enq: xfer %d bytes, sent %u remain %u",
129 .format_args = "i4i4i4",
136 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
138 ed->data[1] = s->bytes_sent;
139 ed->data[2] = s->bytes_to_send;
145 receive_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
147 svm_fifo_t *rx_fifo = s->data.rx_fifo;
148 u32 thread_index = vlib_get_thread_index ();
154 n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
155 vec_len (ecm->rx_buf[thread_index]));
157 n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
158 vec_len (ecm->rx_buf[thread_index]));
162 n_read = svm_fifo_max_dequeue_cons (rx_fifo);
163 svm_fifo_dequeue_drop (rx_fifo, n_read);
171 ELOG_TYPE_DECLARE (e) =
173 .format = "rx-deq: %d bytes",
181 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
182 ed->data[0] = n_read;
187 for (i = 0; i < n_read; i++)
189 if (ecm->rx_buf[thread_index][i]
190 != ((s->bytes_received + i) & 0xff))
192 clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
193 n_read, s->bytes_received + i,
194 ecm->rx_buf[thread_index][i],
195 ((s->bytes_received + i) & 0xff));
196 ecm->test_failed = 1;
200 ASSERT (n_read <= s->bytes_to_receive);
201 s->bytes_to_receive -= n_read;
202 s->bytes_received += n_read;
207 echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
208 vlib_frame_t * frame)
210 echo_client_main_t *ecm = &echo_client_main;
211 int my_thread_index = vlib_get_thread_index ();
212 eclient_session_t *sp;
215 u32 *connection_indices;
216 u32 *connections_this_batch;
217 u32 nconnections_this_batch;
219 connection_indices = ecm->connection_index_by_thread[my_thread_index];
220 connections_this_batch =
221 ecm->connections_this_batch_by_thread[my_thread_index];
223 if ((ecm->run_test != ECHO_CLIENTS_RUNNING) ||
224 ((vec_len (connection_indices) == 0)
225 && vec_len (connections_this_batch) == 0))
228 /* Grab another pile of connections */
229 if (PREDICT_FALSE (vec_len (connections_this_batch) == 0))
231 nconnections_this_batch =
232 clib_min (ecm->connections_per_batch, vec_len (connection_indices));
234 ASSERT (nconnections_this_batch > 0);
235 vec_validate (connections_this_batch, nconnections_this_batch - 1);
236 clib_memcpy_fast (connections_this_batch,
237 connection_indices + vec_len (connection_indices)
238 - nconnections_this_batch,
239 nconnections_this_batch * sizeof (u32));
240 _vec_len (connection_indices) -= nconnections_this_batch;
243 if (PREDICT_FALSE (ecm->prev_conns != ecm->connections_per_batch
244 && ecm->prev_conns == vec_len (connections_this_batch)))
247 ecm->prev_conns = vec_len (connections_this_batch);
248 if (ecm->repeats == 500000)
250 clib_warning ("stuck clients");
255 ecm->prev_conns = vec_len (connections_this_batch);
259 for (i = 0; i < vec_len (connections_this_batch); i++)
263 sp = pool_elt_at_index (ecm->sessions, connections_this_batch[i]);
265 if (sp->bytes_to_send > 0)
267 send_data_chunk (ecm, sp);
270 if (sp->bytes_to_receive > 0)
274 if (PREDICT_FALSE (delete_session == 1))
278 clib_atomic_fetch_add (&ecm->tx_total, sp->bytes_sent);
279 clib_atomic_fetch_add (&ecm->rx_total, sp->bytes_received);
280 s = session_get_from_handle_if_valid (sp->vpp_session_handle);
284 vnet_disconnect_args_t _a, *a = &_a;
285 a->handle = session_handle (s);
286 a->app_index = ecm->app_index;
287 vnet_disconnect_session (a);
289 vec_delete (connections_this_batch, 1, i);
291 clib_atomic_fetch_add (&ecm->ready_connections, -1);
295 clib_warning ("session AWOL?");
296 vec_delete (connections_this_batch, 1, i);
299 /* Kick the debug CLI process */
300 if (ecm->ready_connections == 0)
302 signal_evt_to_cli (2);
307 ecm->connection_index_by_thread[my_thread_index] = connection_indices;
308 ecm->connections_this_batch_by_thread[my_thread_index] =
309 connections_this_batch;
314 VLIB_REGISTER_NODE (echo_clients_node) =
316 .function = echo_client_node_fn,
317 .name = "echo-clients",
318 .type = VLIB_NODE_TYPE_INPUT,
319 .state = VLIB_NODE_STATE_DISABLED,
324 echo_clients_init (vlib_main_t * vm)
326 echo_client_main_t *ecm = &echo_client_main;
327 vlib_thread_main_t *vtm = vlib_get_thread_main ();
331 num_threads = 1 /* main thread */ + vtm->n_threads;
333 /* Init test data. Big buffer */
334 vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
335 for (i = 0; i < vec_len (ecm->connect_test_data); i++)
336 ecm->connect_test_data[i] = i & 0xff;
338 vec_validate (ecm->rx_buf, num_threads - 1);
339 for (i = 0; i < num_threads; i++)
340 vec_validate (ecm->rx_buf[i], vec_len (ecm->connect_test_data) - 1);
344 vec_validate (ecm->connection_index_by_thread, vtm->n_vlib_mains);
345 vec_validate (ecm->connections_this_batch_by_thread, vtm->n_vlib_mains);
346 vec_validate (ecm->quic_session_index_by_thread, vtm->n_vlib_mains);
347 vec_validate (ecm->vpp_event_queue, vtm->n_vlib_mains);
353 quic_echo_clients_qsession_connected_callback (u32 app_index, u32 api_context,
357 echo_client_main_t *ecm = &echo_client_main;
358 vnet_connect_args_t *a = 0;
360 u8 thread_index = vlib_get_thread_index ();
361 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
363 session_handle_t handle;
365 DBG ("QUIC Connection handle %d", session_handle (s));
368 a->uri = (char *) ecm->connect_uri;
369 if (parse_uri (a->uri, &sep))
371 sep.parent_handle = handle = session_handle (s);
373 for (stream_n = 0; stream_n < ecm->quic_streams; stream_n++)
375 clib_memset (a, 0, sizeof (*a));
376 a->app_index = ecm->app_index;
377 a->api_context = -1 - api_context;
378 clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
380 DBG ("QUIC opening stream %d", stream_n);
381 if ((rv = vnet_connect (a)))
383 clib_error ("Stream session %d opening failed: %d", stream_n, rv);
386 DBG ("QUIC stream %d connected", stream_n);
389 * 's' is no longer valid, its underlying pool could have been moved in
392 vec_add1 (ecm->quic_session_index_by_thread[thread_index], handle);
398 quic_echo_clients_session_connected_callback (u32 app_index, u32 api_context,
402 echo_client_main_t *ecm = &echo_client_main;
403 eclient_session_t *session;
407 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
412 clib_warning ("connection %d failed!", api_context);
413 ecm->run_test = ECHO_CLIENTS_EXITING;
414 signal_evt_to_cli (-1);
418 if (s->listener_handle == SESSION_INVALID_HANDLE)
419 return quic_echo_clients_qsession_connected_callback (app_index,
422 DBG ("STREAM Connection callback %d", api_context);
424 thread_index = s->thread_index;
425 ASSERT (thread_index == vlib_get_thread_index ()
426 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
428 if (!ecm->vpp_event_queue[thread_index])
429 ecm->vpp_event_queue[thread_index] =
430 session_main_get_vpp_event_queue (thread_index);
435 clib_spinlock_lock_if_init (&ecm->sessions_lock);
436 pool_get (ecm->sessions, session);
437 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
439 clib_memset (session, 0, sizeof (*session));
440 session_index = session - ecm->sessions;
441 session->bytes_to_send = ecm->bytes_to_send;
442 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
443 session->data.rx_fifo = s->rx_fifo;
444 session->data.rx_fifo->client_session_index = session_index;
445 session->data.tx_fifo = s->tx_fifo;
446 session->data.tx_fifo->client_session_index = session_index;
447 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
448 session->vpp_session_handle = session_handle (s);
452 transport_connection_t *tc;
453 tc = session_get_transport (s);
454 clib_memcpy_fast (&session->data.transport, tc,
455 sizeof (session->data.transport));
456 session->data.is_dgram = 1;
459 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
460 clib_atomic_fetch_add (&ecm->ready_connections, 1);
461 if (ecm->ready_connections == ecm->expected_connections)
463 ecm->run_test = ECHO_CLIENTS_RUNNING;
464 /* Signal the CLI process that the action is starting... */
465 signal_evt_to_cli (1);
472 echo_clients_session_connected_callback (u32 app_index, u32 api_context,
473 session_t * s, session_error_t err)
475 echo_client_main_t *ecm = &echo_client_main;
476 eclient_session_t *session;
480 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
485 clib_warning ("connection %d failed!", api_context);
486 ecm->run_test = ECHO_CLIENTS_EXITING;
487 signal_evt_to_cli (-1);
491 thread_index = s->thread_index;
492 ASSERT (thread_index == vlib_get_thread_index ()
493 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
495 if (!ecm->vpp_event_queue[thread_index])
496 ecm->vpp_event_queue[thread_index] =
497 session_main_get_vpp_event_queue (thread_index);
502 clib_spinlock_lock_if_init (&ecm->sessions_lock);
503 pool_get (ecm->sessions, session);
504 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
506 clib_memset (session, 0, sizeof (*session));
507 session_index = session - ecm->sessions;
508 session->bytes_to_send = ecm->bytes_to_send;
509 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
510 session->data.rx_fifo = s->rx_fifo;
511 session->data.rx_fifo->client_session_index = session_index;
512 session->data.tx_fifo = s->tx_fifo;
513 session->data.tx_fifo->client_session_index = session_index;
514 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
515 session->vpp_session_handle = session_handle (s);
519 transport_connection_t *tc;
520 tc = session_get_transport (s);
521 clib_memcpy_fast (&session->data.transport, tc,
522 sizeof (session->data.transport));
523 session->data.is_dgram = 1;
526 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
527 clib_atomic_fetch_add (&ecm->ready_connections, 1);
528 if (ecm->ready_connections == ecm->expected_connections)
530 ecm->run_test = ECHO_CLIENTS_RUNNING;
531 /* Signal the CLI process that the action is starting... */
532 signal_evt_to_cli (1);
539 echo_clients_session_reset_callback (session_t * s)
541 echo_client_main_t *ecm = &echo_client_main;
542 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
544 if (s->session_state == SESSION_STATE_READY)
545 clib_warning ("Reset active connection %U", format_session, s, 2);
547 a->handle = session_handle (s);
548 a->app_index = ecm->app_index;
549 vnet_disconnect_session (a);
554 echo_clients_session_create_callback (session_t * s)
560 echo_clients_session_disconnect_callback (session_t * s)
562 echo_client_main_t *ecm = &echo_client_main;
563 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
564 a->handle = session_handle (s);
565 a->app_index = ecm->app_index;
566 vnet_disconnect_session (a);
571 echo_clients_session_disconnect (session_t * s)
573 echo_client_main_t *ecm = &echo_client_main;
574 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
575 a->handle = session_handle (s);
576 a->app_index = ecm->app_index;
577 vnet_disconnect_session (a);
581 echo_clients_rx_callback (session_t * s)
583 echo_client_main_t *ecm = &echo_client_main;
584 eclient_session_t *sp;
586 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
588 echo_clients_session_disconnect (s);
592 sp = pool_elt_at_index (ecm->sessions, s->rx_fifo->client_session_index);
593 receive_data_chunk (ecm, sp);
595 if (svm_fifo_max_dequeue_cons (s->rx_fifo))
597 if (svm_fifo_set_event (s->rx_fifo))
598 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
604 echo_client_add_segment_callback (u32 client_index, u64 segment_handle)
606 /* New heaps may be added */
611 static session_cb_vft_t echo_clients = {
612 .session_reset_callback = echo_clients_session_reset_callback,
613 .session_connected_callback = echo_clients_session_connected_callback,
614 .session_accept_callback = echo_clients_session_create_callback,
615 .session_disconnect_callback = echo_clients_session_disconnect_callback,
616 .builtin_app_rx_callback = echo_clients_rx_callback,
617 .add_segment_callback = echo_client_add_segment_callback
621 static clib_error_t *
622 echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
624 vnet_app_add_tls_cert_args_t _a_cert, *a_cert = &_a_cert;
625 vnet_app_add_tls_key_args_t _a_key, *a_key = &_a_key;
626 u32 prealloc_fifos, segment_size = 256 << 20;
627 echo_client_main_t *ecm = &echo_client_main;
628 vnet_app_attach_args_t _a, *a = &_a;
632 clib_memset (a, 0, sizeof (*a));
633 clib_memset (options, 0, sizeof (options));
635 a->api_client_index = ~0;
636 a->name = format (0, "echo_client");
637 if (ecm->transport_proto == TRANSPORT_PROTO_QUIC)
638 echo_clients.session_connected_callback =
639 quic_echo_clients_session_connected_callback;
640 a->session_cb_vft = &echo_clients;
642 prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
644 if (ecm->private_segment_size)
645 segment_size = ecm->private_segment_size;
647 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
648 options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
649 options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
650 options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
651 options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
652 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
653 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
654 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
655 options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
656 options[APP_OPTIONS_PCT_FIRST_ALLOC] = 100;
659 options[APP_OPTIONS_FLAGS] |= appns_flags;
660 options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret;
662 a->options = options;
663 a->namespace_id = appns_id;
665 if ((rv = vnet_application_attach (a)))
666 return clib_error_return (0, "attach returned %d", rv);
668 ecm->app_index = a->app_index;
671 clib_memset (a_cert, 0, sizeof (*a_cert));
672 a_cert->app_index = a->app_index;
673 vec_validate (a_cert->cert, test_srv_crt_rsa_len);
674 clib_memcpy_fast (a_cert->cert, test_srv_crt_rsa, test_srv_crt_rsa_len);
675 vnet_app_add_tls_cert (a_cert);
677 clib_memset (a_key, 0, sizeof (*a_key));
678 a_key->app_index = a->app_index;
679 vec_validate (a_key->key, test_srv_key_rsa_len);
680 clib_memcpy_fast (a_key->key, test_srv_key_rsa, test_srv_key_rsa_len);
681 vnet_app_add_tls_key (a_key);
686 echo_clients_detach ()
688 echo_client_main_t *ecm = &echo_client_main;
689 vnet_app_detach_args_t _da, *da = &_da;
692 da->app_index = ecm->app_index;
693 da->api_client_index = ~0;
694 rv = vnet_application_detach (da);
695 ecm->test_client_attached = 0;
701 echo_client_thread_fn (void *arg)
706 /** Start a transmit thread */
708 echo_clients_start_tx_pthread (echo_client_main_t * ecm)
710 if (ecm->client_thread_handle == 0)
712 int rv = pthread_create (&ecm->client_thread_handle,
714 echo_client_thread_fn, 0);
717 ecm->client_thread_handle = 0;
725 echo_clients_connect (vlib_main_t * vm, u32 n_clients)
727 echo_client_main_t *ecm = &echo_client_main;
728 vnet_connect_args_t _a, *a = &_a;
731 clib_memset (a, 0, sizeof (*a));
733 for (i = 0; i < n_clients; i++)
735 a->uri = (char *) ecm->connect_uri;
737 a->app_index = ecm->app_index;
739 vlib_worker_thread_barrier_sync (vm);
740 if ((rv = vnet_connect_uri (a)))
742 vlib_worker_thread_barrier_release (vm);
743 return clib_error_return (0, "connect returned: %d", rv);
745 vlib_worker_thread_barrier_release (vm);
747 /* Crude pacing for call setups */
749 vlib_process_suspend (vm, 100e-6);
750 ASSERT (i + 1 >= ecm->ready_connections);
751 while (i + 1 - ecm->ready_connections > 128)
752 vlib_process_suspend (vm, 1e-3);
757 #define ec_cli_output(_fmt, _args...) \
758 if (!ecm->no_output) \
759 vlib_cli_output(vm, _fmt, ##_args)
761 static clib_error_t *
762 echo_clients_command_fn (vlib_main_t * vm,
763 unformat_input_t * input, vlib_cli_command_t * cmd)
765 echo_client_main_t *ecm = &echo_client_main;
766 vlib_thread_main_t *thread_main = vlib_get_thread_main ();
767 u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
768 f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
769 char *default_uri = "tcp://6.0.1.1/1234";
770 uword *event_data = 0, event_type;
771 f64 time_before_connects;
773 int preallocate_sessions = 0;
775 clib_error_t *error = 0;
778 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
781 ecm->quic_streams = 1;
782 ecm->bytes_to_send = 8192;
784 ecm->fifo_size = 64 << 10;
785 ecm->connections_per_batch = 1000;
786 ecm->private_segment_count = 0;
787 ecm->private_segment_size = 0;
790 ecm->test_failed = 0;
792 ecm->tls_engine = CRYPTO_ENGINE_OPENSSL;
794 ecm->run_test = ECHO_CLIENTS_STARTING;
796 if (thread_main->n_vlib_mains > 1)
797 clib_spinlock_init (&ecm->sessions_lock);
798 vec_free (ecm->connect_uri);
800 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
802 if (unformat (input, "uri %s", &ecm->connect_uri))
804 else if (unformat (input, "nclients %d", &n_clients))
806 else if (unformat (input, "quic-streams %d", &ecm->quic_streams))
808 else if (unformat (input, "mbytes %lld", &tmp))
809 ecm->bytes_to_send = tmp << 20;
810 else if (unformat (input, "gbytes %lld", &tmp))
811 ecm->bytes_to_send = tmp << 30;
812 else if (unformat (input, "bytes %lld", &ecm->bytes_to_send))
814 else if (unformat (input, "test-timeout %f", &test_timeout))
816 else if (unformat (input, "syn-timeout %f", &syn_timeout))
818 else if (unformat (input, "no-return"))
820 else if (unformat (input, "fifo-size %d", &ecm->fifo_size))
821 ecm->fifo_size <<= 10;
822 else if (unformat (input, "private-segment-count %d",
823 &ecm->private_segment_count))
825 else if (unformat (input, "private-segment-size %U",
826 unformat_memory_size, &tmp))
828 if (tmp >= 0x100000000ULL)
829 return clib_error_return
830 (0, "private segment size %lld (%llu) too large", tmp, tmp);
831 ecm->private_segment_size = tmp;
833 else if (unformat (input, "preallocate-fifos"))
834 ecm->prealloc_fifos = 1;
835 else if (unformat (input, "preallocate-sessions"))
836 preallocate_sessions = 1;
838 if (unformat (input, "client-batch %d", &ecm->connections_per_batch))
840 else if (unformat (input, "appns %_%v%_", &appns_id))
842 else if (unformat (input, "all-scope"))
843 appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
844 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
845 else if (unformat (input, "local-scope"))
846 appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
847 else if (unformat (input, "global-scope"))
848 appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
849 else if (unformat (input, "secret %lu", &appns_secret))
851 else if (unformat (input, "no-output"))
853 else if (unformat (input, "test-bytes"))
855 else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
858 return clib_error_return (0, "failed: unknown input `%U'",
859 format_unformat_error, input);
862 /* Store cli process node index for signalling */
863 ecm->cli_node_index =
864 vlib_get_current_process (vm)->node_runtime.node_index;
866 if (ecm->is_init == 0)
868 if (echo_clients_init (vm))
869 return clib_error_return (0, "failed init");
873 ecm->ready_connections = 0;
874 ecm->expected_connections = n_clients * ecm->quic_streams;
878 if (!ecm->connect_uri)
880 clib_warning ("No uri provided. Using default: %s", default_uri);
881 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
884 if ((rv = parse_uri ((char *) ecm->connect_uri, &sep)))
885 return clib_error_return (0, "Uri parse error: %d", rv);
886 ecm->transport_proto = sep.transport_proto;
887 ecm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP);
889 #if ECHO_CLIENT_PTHREAD
890 echo_clients_start_tx_pthread ();
893 vlib_worker_thread_barrier_sync (vm);
894 vnet_session_enable_disable (vm, 1 /* turn on session and transports */ );
895 vlib_worker_thread_barrier_release (vm);
897 if (ecm->test_client_attached == 0)
899 if ((error = echo_clients_attach (appns_id, appns_flags, appns_secret)))
902 clib_error_report (error);
907 ecm->test_client_attached = 1;
909 /* Turn on the builtin client input nodes */
910 for (i = 0; i < thread_main->n_vlib_mains; i++)
911 vlib_node_set_state (vlib_mains[i], echo_clients_node.index,
912 VLIB_NODE_STATE_POLLING);
914 if (preallocate_sessions)
915 pool_init_fixed (ecm->sessions, 1.1 * n_clients);
917 /* Fire off connect requests */
918 time_before_connects = vlib_time_now (vm);
919 if ((error = echo_clients_connect (vm, n_clients)))
924 /* Park until the sessions come up, or ten seconds elapse... */
925 vlib_process_wait_for_event_or_clock (vm, syn_timeout);
926 event_type = vlib_process_get_events (vm, &event_data);
930 ec_cli_output ("Timeout with only %d sessions active...",
931 ecm->ready_connections);
932 error = clib_error_return (0, "failed: syn timeout with %d sessions",
933 ecm->ready_connections);
937 delta = vlib_time_now (vm) - time_before_connects;
939 ec_cli_output ("%d three-way handshakes in %.2f seconds %.2f/s",
940 n_clients, delta, ((f64) n_clients) / delta);
942 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
943 ec_cli_output ("Test started at %.6f", ecm->test_start_time);
947 ec_cli_output ("unexpected event(1): %d", event_type);
948 error = clib_error_return (0, "failed: unexpected event(1): %d",
953 /* Now wait for the sessions to finish... */
954 vlib_process_wait_for_event_or_clock (vm, test_timeout);
955 event_type = vlib_process_get_events (vm, &event_data);
959 ec_cli_output ("Timeout with %d sessions still active...",
960 ecm->ready_connections);
961 error = clib_error_return (0, "failed: timeout with %d sessions",
962 ecm->ready_connections);
966 ecm->test_end_time = vlib_time_now (vm);
967 ec_cli_output ("Test finished at %.6f", ecm->test_end_time);
971 ec_cli_output ("unexpected event(2): %d", event_type);
972 error = clib_error_return (0, "failed: unexpected event(2): %d",
977 delta = ecm->test_end_time - ecm->test_start_time;
980 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
981 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
982 ec_cli_output ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
983 total_bytes, total_bytes / (1ULL << 20),
984 total_bytes / (1ULL << 30), delta);
985 ec_cli_output ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
987 ec_cli_output ("%.4f gbit/second %s",
988 (((f64) total_bytes * 8.0) / delta / 1e9),
993 ec_cli_output ("zero delta-t?");
994 error = clib_error_return (0, "failed: zero delta-t");
998 if (ecm->test_bytes && ecm->test_failed)
999 error = clib_error_return (0, "failed: test bytes");
1002 ecm->run_test = ECHO_CLIENTS_EXITING;
1003 vlib_process_wait_for_event_or_clock (vm, 10e-3);
1004 for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
1006 vec_reset_length (ecm->connection_index_by_thread[i]);
1007 vec_reset_length (ecm->connections_this_batch_by_thread[i]);
1008 vec_reset_length (ecm->quic_session_index_by_thread[i]);
1011 pool_free (ecm->sessions);
1013 /* Detach the application, so we can use different fifo sizes next time */
1014 if (ecm->test_client_attached)
1016 if (echo_clients_detach ())
1018 error = clib_error_return (0, "failed: app detach");
1019 ec_cli_output ("WARNING: app detach failed...");
1023 ec_cli_output ("test failed");
1024 vec_free (ecm->connect_uri);
1029 VLIB_CLI_COMMAND (echo_clients_command, static) =
1031 .path = "test echo clients",
1032 .short_help = "test echo clients [nclients %d][[m|g]bytes <bytes>]"
1033 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
1034 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
1035 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
1036 "[uri <tcp://ip/port>][test-bytes][no-output]",
1037 .function = echo_clients_command_fn,
1043 echo_clients_main_init (vlib_main_t * vm)
1045 echo_client_main_t *ecm = &echo_client_main;
1050 VLIB_INIT_FUNCTION (echo_clients_main_init);
1053 * fd.io coding-style-patch-verification: ON
1056 * eval: (c-set-style "gnu")