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,
80 session_dgram_hdr_t hdr;
81 svm_fifo_t *f = s->data.tx_fifo;
82 app_session_transport_t *at = &s->data.transport;
83 u32 max_enqueue = svm_fifo_max_enqueue_prod (f);
85 if (max_enqueue <= sizeof (session_dgram_hdr_t))
88 max_enqueue -= sizeof (session_dgram_hdr_t);
89 rv = clib_min (max_enqueue, bytes_this_chunk);
93 clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip,
94 sizeof (ip46_address_t));
95 hdr.is_ip4 = at->is_ip4;
96 hdr.rmt_port = at->rmt_port;
97 clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip,
98 sizeof (ip46_address_t));
99 hdr.lcl_port = at->lcl_port;
100 svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
101 svm_fifo_enqueue_nocopy (f, rv);
102 session_send_io_evt_to_thread_custom (&f->master_session_index,
107 rv = app_send_dgram (&s->data, test_data + test_buf_offset,
108 bytes_this_chunk, 0);
111 /* If we managed to enqueue data... */
114 /* Account for it... */
115 s->bytes_to_send -= rv;
121 ELOG_TYPE_DECLARE (e) =
123 .format = "tx-enq: xfer %d bytes, sent %u remain %u",
124 .format_args = "i4i4i4",
131 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
133 ed->data[1] = s->bytes_sent;
134 ed->data[2] = s->bytes_to_send;
140 receive_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
142 svm_fifo_t *rx_fifo = s->data.rx_fifo;
143 u32 thread_index = vlib_get_thread_index ();
149 n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
150 vec_len (ecm->rx_buf[thread_index]));
152 n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
153 vec_len (ecm->rx_buf[thread_index]));
157 n_read = svm_fifo_max_dequeue_cons (rx_fifo);
158 svm_fifo_dequeue_drop (rx_fifo, n_read);
166 ELOG_TYPE_DECLARE (e) =
168 .format = "rx-deq: %d bytes",
176 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
177 ed->data[0] = n_read;
182 for (i = 0; i < n_read; i++)
184 if (ecm->rx_buf[thread_index][i]
185 != ((s->bytes_received + i) & 0xff))
187 clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
188 n_read, s->bytes_received + i,
189 ecm->rx_buf[thread_index][i],
190 ((s->bytes_received + i) & 0xff));
191 ecm->test_failed = 1;
195 ASSERT (n_read <= s->bytes_to_receive);
196 s->bytes_to_receive -= n_read;
197 s->bytes_received += n_read;
202 echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
203 vlib_frame_t * frame)
205 echo_client_main_t *ecm = &echo_client_main;
206 int my_thread_index = vlib_get_thread_index ();
207 eclient_session_t *sp;
210 u32 *connection_indices;
211 u32 *connections_this_batch;
212 u32 nconnections_this_batch;
214 connection_indices = ecm->connection_index_by_thread[my_thread_index];
215 connections_this_batch =
216 ecm->connections_this_batch_by_thread[my_thread_index];
218 if ((ecm->run_test != ECHO_CLIENTS_RUNNING) ||
219 ((vec_len (connection_indices) == 0)
220 && vec_len (connections_this_batch) == 0))
223 /* Grab another pile of connections */
224 if (PREDICT_FALSE (vec_len (connections_this_batch) == 0))
226 nconnections_this_batch =
227 clib_min (ecm->connections_per_batch, vec_len (connection_indices));
229 ASSERT (nconnections_this_batch > 0);
230 vec_validate (connections_this_batch, nconnections_this_batch - 1);
231 clib_memcpy_fast (connections_this_batch,
232 connection_indices + vec_len (connection_indices)
233 - nconnections_this_batch,
234 nconnections_this_batch * sizeof (u32));
235 _vec_len (connection_indices) -= nconnections_this_batch;
238 if (PREDICT_FALSE (ecm->prev_conns != ecm->connections_per_batch
239 && ecm->prev_conns == vec_len (connections_this_batch)))
242 ecm->prev_conns = vec_len (connections_this_batch);
243 if (ecm->repeats == 500000)
245 clib_warning ("stuck clients");
250 ecm->prev_conns = vec_len (connections_this_batch);
254 for (i = 0; i < vec_len (connections_this_batch); i++)
258 sp = pool_elt_at_index (ecm->sessions, connections_this_batch[i]);
260 if (sp->bytes_to_send > 0)
262 send_data_chunk (ecm, sp);
265 if (sp->bytes_to_receive > 0)
269 if (PREDICT_FALSE (delete_session == 1))
273 clib_atomic_fetch_add (&ecm->tx_total, sp->bytes_sent);
274 clib_atomic_fetch_add (&ecm->rx_total, sp->bytes_received);
275 s = session_get_from_handle_if_valid (sp->vpp_session_handle);
279 vnet_disconnect_args_t _a, *a = &_a;
280 a->handle = session_handle (s);
281 a->app_index = ecm->app_index;
282 vnet_disconnect_session (a);
284 vec_delete (connections_this_batch, 1, i);
286 clib_atomic_fetch_add (&ecm->ready_connections, -1);
290 clib_warning ("session AWOL?");
291 vec_delete (connections_this_batch, 1, i);
294 /* Kick the debug CLI process */
295 if (ecm->ready_connections == 0)
297 signal_evt_to_cli (2);
302 ecm->connection_index_by_thread[my_thread_index] = connection_indices;
303 ecm->connections_this_batch_by_thread[my_thread_index] =
304 connections_this_batch;
309 VLIB_REGISTER_NODE (echo_clients_node) =
311 .function = echo_client_node_fn,
312 .name = "echo-clients",
313 .type = VLIB_NODE_TYPE_INPUT,
314 .state = VLIB_NODE_STATE_DISABLED,
319 create_api_loopback (echo_client_main_t * ecm)
321 api_main_t *am = &api_main;
322 vl_shmem_hdr_t *shmem_hdr;
324 shmem_hdr = am->shmem_hdr;
325 ecm->vl_input_queue = shmem_hdr->vl_input_queue;
326 ecm->my_client_index = vl_api_memclnt_create_internal ("echo_client",
327 ecm->vl_input_queue);
332 echo_clients_init (vlib_main_t * vm)
334 echo_client_main_t *ecm = &echo_client_main;
335 vlib_thread_main_t *vtm = vlib_get_thread_main ();
339 if (create_api_loopback (ecm))
342 num_threads = 1 /* main thread */ + vtm->n_threads;
344 /* Init test data. Big buffer */
345 vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
346 for (i = 0; i < vec_len (ecm->connect_test_data); i++)
347 ecm->connect_test_data[i] = i & 0xff;
349 vec_validate (ecm->rx_buf, num_threads - 1);
350 for (i = 0; i < num_threads; i++)
351 vec_validate (ecm->rx_buf[i], vec_len (ecm->connect_test_data) - 1);
355 vec_validate (ecm->connection_index_by_thread, vtm->n_vlib_mains);
356 vec_validate (ecm->connections_this_batch_by_thread, vtm->n_vlib_mains);
357 vec_validate (ecm->quic_session_index_by_thread, vtm->n_vlib_mains);
358 vec_validate (ecm->vpp_event_queue, vtm->n_vlib_mains);
364 quic_echo_clients_qsession_connected_callback (u32 app_index, u32 api_context,
365 session_t * s, u8 is_fail)
367 echo_client_main_t *ecm = &echo_client_main;
368 vnet_connect_args_t *a = 0;
370 u8 thread_index = vlib_get_thread_index ();
371 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
374 DBG ("QUIC Connection handle %d", session_handle (s));
377 a->uri = (char *) ecm->connect_uri;
378 if (parse_uri (a->uri, &sep))
380 sep.parent_handle = session_handle (s);
382 for (stream_n = 0; stream_n < ecm->quic_streams; stream_n++)
384 clib_memset (a, 0, sizeof (*a));
385 a->app_index = ecm->app_index;
386 a->api_context = -1 - api_context;
387 clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
389 DBG ("QUIC opening stream %d", stream_n);
390 if ((rv = vnet_connect (a)))
392 clib_error ("Stream session %d opening failed: %d", stream_n, rv);
395 DBG ("QUIC stream %d connected", stream_n);
397 vec_add1 (ecm->quic_session_index_by_thread[thread_index],
404 quic_echo_clients_session_connected_callback (u32 app_index, u32 api_context,
405 session_t * s, u8 is_fail)
407 echo_client_main_t *ecm = &echo_client_main;
408 eclient_session_t *session;
412 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
417 clib_warning ("connection %d failed!", api_context);
418 ecm->run_test = ECHO_CLIENTS_EXITING;
419 signal_evt_to_cli (-1);
423 if (s->listener_handle == SESSION_INVALID_HANDLE)
424 return quic_echo_clients_qsession_connected_callback (app_index,
427 DBG ("STREAM Connection callback %d", api_context);
429 thread_index = s->thread_index;
430 ASSERT (thread_index == vlib_get_thread_index ()
431 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
433 if (!ecm->vpp_event_queue[thread_index])
434 ecm->vpp_event_queue[thread_index] =
435 session_main_get_vpp_event_queue (thread_index);
440 clib_spinlock_lock_if_init (&ecm->sessions_lock);
441 pool_get (ecm->sessions, session);
442 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
444 clib_memset (session, 0, sizeof (*session));
445 session_index = session - ecm->sessions;
446 session->bytes_to_send = ecm->bytes_to_send;
447 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
448 session->data.rx_fifo = s->rx_fifo;
449 session->data.rx_fifo->client_session_index = session_index;
450 session->data.tx_fifo = s->tx_fifo;
451 session->data.tx_fifo->client_session_index = session_index;
452 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
453 session->vpp_session_handle = session_handle (s);
457 transport_connection_t *tc;
458 tc = session_get_transport (s);
459 clib_memcpy_fast (&session->data.transport, tc,
460 sizeof (session->data.transport));
461 session->data.is_dgram = 1;
464 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
465 clib_atomic_fetch_add (&ecm->ready_connections, 1);
466 if (ecm->ready_connections == ecm->expected_connections)
468 ecm->run_test = ECHO_CLIENTS_RUNNING;
469 /* Signal the CLI process that the action is starting... */
470 signal_evt_to_cli (1);
477 echo_clients_session_connected_callback (u32 app_index, u32 api_context,
478 session_t * s, u8 is_fail)
480 echo_client_main_t *ecm = &echo_client_main;
481 eclient_session_t *session;
485 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
490 clib_warning ("connection %d failed!", api_context);
491 ecm->run_test = ECHO_CLIENTS_EXITING;
492 signal_evt_to_cli (-1);
496 thread_index = s->thread_index;
497 ASSERT (thread_index == vlib_get_thread_index ()
498 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
500 if (!ecm->vpp_event_queue[thread_index])
501 ecm->vpp_event_queue[thread_index] =
502 session_main_get_vpp_event_queue (thread_index);
507 clib_spinlock_lock_if_init (&ecm->sessions_lock);
508 pool_get (ecm->sessions, session);
509 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
511 clib_memset (session, 0, sizeof (*session));
512 session_index = session - ecm->sessions;
513 session->bytes_to_send = ecm->bytes_to_send;
514 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
515 session->data.rx_fifo = s->rx_fifo;
516 session->data.rx_fifo->client_session_index = session_index;
517 session->data.tx_fifo = s->tx_fifo;
518 session->data.tx_fifo->client_session_index = session_index;
519 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
520 session->vpp_session_handle = session_handle (s);
524 transport_connection_t *tc;
525 tc = session_get_transport (s);
526 clib_memcpy_fast (&session->data.transport, tc,
527 sizeof (session->data.transport));
528 session->data.is_dgram = 1;
531 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
532 clib_atomic_fetch_add (&ecm->ready_connections, 1);
533 if (ecm->ready_connections == ecm->expected_connections)
535 ecm->run_test = ECHO_CLIENTS_RUNNING;
536 /* Signal the CLI process that the action is starting... */
537 signal_evt_to_cli (1);
544 echo_clients_session_reset_callback (session_t * s)
546 echo_client_main_t *ecm = &echo_client_main;
547 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
549 if (s->session_state == SESSION_STATE_READY)
550 clib_warning ("Reset active connection %U", format_session, s, 2);
552 a->handle = session_handle (s);
553 a->app_index = ecm->app_index;
554 vnet_disconnect_session (a);
559 echo_clients_session_create_callback (session_t * s)
565 echo_clients_session_disconnect_callback (session_t * s)
567 echo_client_main_t *ecm = &echo_client_main;
568 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
569 a->handle = session_handle (s);
570 a->app_index = ecm->app_index;
571 vnet_disconnect_session (a);
576 echo_clients_session_disconnect (session_t * s)
578 echo_client_main_t *ecm = &echo_client_main;
579 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
580 a->handle = session_handle (s);
581 a->app_index = ecm->app_index;
582 vnet_disconnect_session (a);
586 echo_clients_rx_callback (session_t * s)
588 echo_client_main_t *ecm = &echo_client_main;
589 eclient_session_t *sp;
591 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
593 echo_clients_session_disconnect (s);
597 sp = pool_elt_at_index (ecm->sessions, s->rx_fifo->client_session_index);
598 receive_data_chunk (ecm, sp);
600 if (svm_fifo_max_dequeue_cons (s->rx_fifo))
602 if (svm_fifo_set_event (s->rx_fifo))
603 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
609 echo_client_add_segment_callback (u32 client_index, u64 segment_handle)
611 /* New heaps may be added */
616 static session_cb_vft_t echo_clients = {
617 .session_reset_callback = echo_clients_session_reset_callback,
618 .session_connected_callback = echo_clients_session_connected_callback,
619 .session_accept_callback = echo_clients_session_create_callback,
620 .session_disconnect_callback = echo_clients_session_disconnect_callback,
621 .builtin_app_rx_callback = echo_clients_rx_callback,
622 .add_segment_callback = echo_client_add_segment_callback
626 static clib_error_t *
627 echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
629 u32 prealloc_fifos, segment_size = 256 << 20;
630 echo_client_main_t *ecm = &echo_client_main;
631 vnet_app_attach_args_t _a, *a = &_a;
635 clib_memset (a, 0, sizeof (*a));
636 clib_memset (options, 0, sizeof (options));
638 a->api_client_index = ecm->my_client_index;
639 if (ecm->transport_proto == TRANSPORT_PROTO_QUIC)
640 echo_clients.session_connected_callback =
641 quic_echo_clients_session_connected_callback;
642 a->session_cb_vft = &echo_clients;
644 prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
646 if (ecm->private_segment_size)
647 segment_size = ecm->private_segment_size;
649 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
650 options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
651 options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
652 options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
653 options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
654 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
655 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
656 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
657 options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
660 options[APP_OPTIONS_FLAGS] |= appns_flags;
661 options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret;
663 a->options = options;
664 a->namespace_id = appns_id;
666 if ((rv = vnet_application_attach (a)))
667 return clib_error_return (0, "attach returned %d", rv);
669 ecm->app_index = a->app_index;
674 echo_clients_detach ()
676 echo_client_main_t *ecm = &echo_client_main;
677 vnet_app_detach_args_t _da, *da = &_da;
680 da->app_index = ecm->app_index;
681 da->api_client_index = ~0;
682 rv = vnet_application_detach (da);
683 ecm->test_client_attached = 0;
689 echo_client_thread_fn (void *arg)
694 /** Start a transmit thread */
696 echo_clients_start_tx_pthread (echo_client_main_t * ecm)
698 if (ecm->client_thread_handle == 0)
700 int rv = pthread_create (&ecm->client_thread_handle,
702 echo_client_thread_fn, 0);
705 ecm->client_thread_handle = 0;
713 echo_clients_connect (vlib_main_t * vm, u32 n_clients)
715 echo_client_main_t *ecm = &echo_client_main;
716 vnet_connect_args_t _a, *a = &_a;
719 clib_memset (a, 0, sizeof (*a));
721 for (i = 0; i < n_clients; i++)
723 a->uri = (char *) ecm->connect_uri;
725 a->app_index = ecm->app_index;
726 if ((rv = vnet_connect_uri (a)))
727 return clib_error_return (0, "connect returned: %d", rv);
729 /* Crude pacing for call setups */
731 vlib_process_suspend (vm, 100e-6);
732 ASSERT (i + 1 >= ecm->ready_connections);
733 while (i + 1 - ecm->ready_connections > 128)
734 vlib_process_suspend (vm, 1e-3);
739 #define ec_cli_output(_fmt, _args...) \
740 if (!ecm->no_output) \
741 vlib_cli_output(vm, _fmt, ##_args)
743 static clib_error_t *
744 echo_clients_command_fn (vlib_main_t * vm,
745 unformat_input_t * input, vlib_cli_command_t * cmd)
747 echo_client_main_t *ecm = &echo_client_main;
748 vlib_thread_main_t *thread_main = vlib_get_thread_main ();
749 u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
750 f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
751 char *default_uri = "tcp://6.0.1.1/1234";
752 uword *event_data = 0, event_type;
753 f64 time_before_connects;
755 int preallocate_sessions = 0;
757 clib_error_t *error = 0;
760 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
763 ecm->quic_streams = 1;
764 ecm->bytes_to_send = 8192;
766 ecm->fifo_size = 64 << 10;
767 ecm->connections_per_batch = 1000;
768 ecm->private_segment_count = 0;
769 ecm->private_segment_size = 0;
772 ecm->test_failed = 0;
774 ecm->tls_engine = TLS_ENGINE_OPENSSL;
776 ecm->run_test = ECHO_CLIENTS_STARTING;
778 if (thread_main->n_vlib_mains > 1)
779 clib_spinlock_init (&ecm->sessions_lock);
780 vec_free (ecm->connect_uri);
782 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
784 if (unformat (input, "uri %s", &ecm->connect_uri))
786 else if (unformat (input, "nclients %d", &n_clients))
788 else if (unformat (input, "quic-streams %d", &ecm->quic_streams))
790 else if (unformat (input, "mbytes %lld", &tmp))
791 ecm->bytes_to_send = tmp << 20;
792 else if (unformat (input, "gbytes %lld", &tmp))
793 ecm->bytes_to_send = tmp << 30;
794 else if (unformat (input, "bytes %lld", &ecm->bytes_to_send))
796 else if (unformat (input, "test-timeout %f", &test_timeout))
798 else if (unformat (input, "syn-timeout %f", &syn_timeout))
800 else if (unformat (input, "no-return"))
802 else if (unformat (input, "fifo-size %d", &ecm->fifo_size))
803 ecm->fifo_size <<= 10;
804 else if (unformat (input, "private-segment-count %d",
805 &ecm->private_segment_count))
807 else if (unformat (input, "private-segment-size %U",
808 unformat_memory_size, &tmp))
810 if (tmp >= 0x100000000ULL)
811 return clib_error_return
812 (0, "private segment size %lld (%llu) too large", tmp, tmp);
813 ecm->private_segment_size = tmp;
815 else if (unformat (input, "preallocate-fifos"))
816 ecm->prealloc_fifos = 1;
817 else if (unformat (input, "preallocate-sessions"))
818 preallocate_sessions = 1;
820 if (unformat (input, "client-batch %d", &ecm->connections_per_batch))
822 else if (unformat (input, "appns %_%v%_", &appns_id))
824 else if (unformat (input, "all-scope"))
825 appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
826 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
827 else if (unformat (input, "local-scope"))
828 appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
829 else if (unformat (input, "global-scope"))
830 appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
831 else if (unformat (input, "secret %lu", &appns_secret))
833 else if (unformat (input, "no-output"))
835 else if (unformat (input, "test-bytes"))
837 else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
840 return clib_error_return (0, "failed: unknown input `%U'",
841 format_unformat_error, input);
844 /* Store cli process node index for signalling */
845 ecm->cli_node_index =
846 vlib_get_current_process (vm)->node_runtime.node_index;
848 if (ecm->is_init == 0)
850 if (echo_clients_init (vm))
851 return clib_error_return (0, "failed init");
855 ecm->ready_connections = 0;
856 ecm->expected_connections = n_clients * ecm->quic_streams;
860 if (!ecm->connect_uri)
862 clib_warning ("No uri provided. Using default: %s", default_uri);
863 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
866 if ((rv = parse_uri ((char *) ecm->connect_uri, &sep)))
867 return clib_error_return (0, "Uri parse error: %d", rv);
868 ecm->transport_proto = sep.transport_proto;
869 ecm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP);
871 #if ECHO_CLIENT_PTHREAD
872 echo_clients_start_tx_pthread ();
875 vlib_worker_thread_barrier_sync (vm);
876 vnet_session_enable_disable (vm, 1 /* turn on session and transports */ );
877 vlib_worker_thread_barrier_release (vm);
879 if (ecm->test_client_attached == 0)
881 if ((error = echo_clients_attach (appns_id, appns_flags, appns_secret)))
884 clib_error_report (error);
889 ecm->test_client_attached = 1;
891 /* Turn on the builtin client input nodes */
892 for (i = 0; i < thread_main->n_vlib_mains; i++)
893 vlib_node_set_state (vlib_mains[i], echo_clients_node.index,
894 VLIB_NODE_STATE_POLLING);
896 if (preallocate_sessions)
897 pool_init_fixed (ecm->sessions, 1.1 * n_clients);
899 /* Fire off connect requests */
900 time_before_connects = vlib_time_now (vm);
901 if ((error = echo_clients_connect (vm, n_clients)))
904 /* Park until the sessions come up, or ten seconds elapse... */
905 vlib_process_wait_for_event_or_clock (vm, syn_timeout);
906 event_type = vlib_process_get_events (vm, &event_data);
910 ec_cli_output ("Timeout with only %d sessions active...",
911 ecm->ready_connections);
912 error = clib_error_return (0, "failed: syn timeout with %d sessions",
913 ecm->ready_connections);
917 delta = vlib_time_now (vm) - time_before_connects;
919 ec_cli_output ("%d three-way handshakes in %.2f seconds %.2f/s",
920 n_clients, delta, ((f64) n_clients) / delta);
922 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
923 ec_cli_output ("Test started at %.6f", ecm->test_start_time);
927 ec_cli_output ("unexpected event(1): %d", event_type);
928 error = clib_error_return (0, "failed: unexpected event(1): %d",
933 /* Now wait for the sessions to finish... */
934 vlib_process_wait_for_event_or_clock (vm, test_timeout);
935 event_type = vlib_process_get_events (vm, &event_data);
939 ec_cli_output ("Timeout with %d sessions still active...",
940 ecm->ready_connections);
941 error = clib_error_return (0, "failed: timeout with %d sessions",
942 ecm->ready_connections);
946 ecm->test_end_time = vlib_time_now (vm);
947 ec_cli_output ("Test finished at %.6f", ecm->test_end_time);
951 ec_cli_output ("unexpected event(2): %d", event_type);
952 error = clib_error_return (0, "failed: unexpected event(2): %d",
957 delta = ecm->test_end_time - ecm->test_start_time;
960 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
961 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
962 ec_cli_output ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
963 total_bytes, total_bytes / (1ULL << 20),
964 total_bytes / (1ULL << 30), delta);
965 ec_cli_output ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
967 ec_cli_output ("%.4f gbit/second %s",
968 (((f64) total_bytes * 8.0) / delta / 1e9),
973 ec_cli_output ("zero delta-t?");
974 error = clib_error_return (0, "failed: zero delta-t");
978 if (ecm->test_bytes && ecm->test_failed)
979 error = clib_error_return (0, "failed: test bytes");
982 ecm->run_test = ECHO_CLIENTS_EXITING;
983 vlib_process_wait_for_event_or_clock (vm, 10e-3);
984 for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
986 vec_reset_length (ecm->connection_index_by_thread[i]);
987 vec_reset_length (ecm->connections_this_batch_by_thread[i]);
988 vec_reset_length (ecm->quic_session_index_by_thread[i]);
991 pool_free (ecm->sessions);
993 /* Detach the application, so we can use different fifo sizes next time */
994 if (ecm->test_client_attached)
996 if (echo_clients_detach ())
998 error = clib_error_return (0, "failed: app detach");
999 ec_cli_output ("WARNING: app detach failed...");
1003 ec_cli_output ("test failed");
1004 vec_free (ecm->connect_uri);
1009 VLIB_CLI_COMMAND (echo_clients_command, static) =
1011 .path = "test echo clients",
1012 .short_help = "test echo clients [nclients %d][[m|g]bytes <bytes>]"
1013 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
1014 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
1015 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
1016 "[uri <tcp://ip/port>][test-bytes][no-output]",
1017 .function = echo_clients_command_fn,
1023 echo_clients_main_init (vlib_main_t * vm)
1025 echo_client_main_t *ecm = &echo_client_main;
1030 VLIB_INIT_FUNCTION (echo_clients_main_init);
1033 * fd.io coding-style-patch-verification: ON
1036 * eval: (c-set-style "gnu")