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 <vnet/session-apps/echo_client.h>
23 echo_client_main_t echo_client_main;
25 #define ECHO_CLIENT_DBG (0)
28 signal_evt_to_cli_i (int *code)
30 echo_client_main_t *ecm = &echo_client_main;
31 ASSERT (vlib_get_thread_index () == 0);
32 vlib_process_signal_event (ecm->vlib_main, ecm->cli_node_index, *code, 0);
36 signal_evt_to_cli (int code)
38 if (vlib_get_thread_index () != 0)
39 vl_api_rpc_call_main_thread (signal_evt_to_cli_i, (u8 *) & code,
42 signal_evt_to_cli_i (&code);
46 send_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
48 u8 *test_data = ecm->connect_test_data;
49 int test_buf_len, test_buf_offset, rv;
52 test_buf_len = vec_len (test_data);
53 ASSERT (test_buf_len > 0);
54 test_buf_offset = s->bytes_sent % test_buf_len;
55 bytes_this_chunk = clib_min (test_buf_len - test_buf_offset,
62 svm_fifo_t *f = s->data.tx_fifo;
63 rv = clib_min (svm_fifo_max_enqueue_prod (f), bytes_this_chunk);
64 svm_fifo_enqueue_nocopy (f, rv);
65 session_send_io_evt_to_thread_custom (&f->master_session_index,
70 rv = app_send_stream (&s->data, test_data + test_buf_offset,
77 session_dgram_hdr_t hdr;
78 svm_fifo_t *f = s->data.tx_fifo;
79 app_session_transport_t *at = &s->data.transport;
80 u32 max_enqueue = svm_fifo_max_enqueue_prod (f);
82 if (max_enqueue <= sizeof (session_dgram_hdr_t))
85 max_enqueue -= sizeof (session_dgram_hdr_t);
86 rv = clib_min (max_enqueue, bytes_this_chunk);
90 clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip,
91 sizeof (ip46_address_t));
92 hdr.is_ip4 = at->is_ip4;
93 hdr.rmt_port = at->rmt_port;
94 clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip,
95 sizeof (ip46_address_t));
96 hdr.lcl_port = at->lcl_port;
97 svm_fifo_enqueue_nowait (f, sizeof (hdr), (u8 *) & hdr);
98 svm_fifo_enqueue_nocopy (f, rv);
99 session_send_io_evt_to_thread_custom (&f->master_session_index,
104 rv = app_send_dgram (&s->data, test_data + test_buf_offset,
105 bytes_this_chunk, 0);
108 /* If we managed to enqueue data... */
111 /* Account for it... */
112 s->bytes_to_send -= rv;
118 ELOG_TYPE_DECLARE (e) =
120 .format = "tx-enq: xfer %d bytes, sent %u remain %u",
121 .format_args = "i4i4i4",
128 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
130 ed->data[1] = s->bytes_sent;
131 ed->data[2] = s->bytes_to_send;
137 receive_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
139 svm_fifo_t *rx_fifo = s->data.rx_fifo;
140 u32 thread_index = vlib_get_thread_index ();
146 n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
147 vec_len (ecm->rx_buf[thread_index]));
149 n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
150 vec_len (ecm->rx_buf[thread_index]));
154 n_read = svm_fifo_max_dequeue_cons (rx_fifo);
155 svm_fifo_dequeue_drop (rx_fifo, n_read);
163 ELOG_TYPE_DECLARE (e) =
165 .format = "rx-deq: %d bytes",
173 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
174 ed->data[0] = n_read;
179 for (i = 0; i < n_read; i++)
181 if (ecm->rx_buf[thread_index][i]
182 != ((s->bytes_received + i) & 0xff))
184 clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
185 n_read, s->bytes_received + i,
186 ecm->rx_buf[thread_index][i],
187 ((s->bytes_received + i) & 0xff));
188 ecm->test_failed = 1;
192 ASSERT (n_read <= s->bytes_to_receive);
193 s->bytes_to_receive -= n_read;
194 s->bytes_received += n_read;
199 echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
200 vlib_frame_t * frame)
202 echo_client_main_t *ecm = &echo_client_main;
203 int my_thread_index = vlib_get_thread_index ();
204 eclient_session_t *sp;
207 u32 *connection_indices;
208 u32 *connections_this_batch;
209 u32 nconnections_this_batch;
211 connection_indices = ecm->connection_index_by_thread[my_thread_index];
212 connections_this_batch =
213 ecm->connections_this_batch_by_thread[my_thread_index];
215 if ((ecm->run_test != ECHO_CLIENTS_RUNNING) ||
216 ((vec_len (connection_indices) == 0)
217 && vec_len (connections_this_batch) == 0))
220 /* Grab another pile of connections */
221 if (PREDICT_FALSE (vec_len (connections_this_batch) == 0))
223 nconnections_this_batch =
224 clib_min (ecm->connections_per_batch, vec_len (connection_indices));
226 ASSERT (nconnections_this_batch > 0);
227 vec_validate (connections_this_batch, nconnections_this_batch - 1);
228 clib_memcpy_fast (connections_this_batch,
229 connection_indices + vec_len (connection_indices)
230 - nconnections_this_batch,
231 nconnections_this_batch * sizeof (u32));
232 _vec_len (connection_indices) -= nconnections_this_batch;
235 if (PREDICT_FALSE (ecm->prev_conns != ecm->connections_per_batch
236 && ecm->prev_conns == vec_len (connections_this_batch)))
239 ecm->prev_conns = vec_len (connections_this_batch);
240 if (ecm->repeats == 500000)
242 clib_warning ("stuck clients");
247 ecm->prev_conns = vec_len (connections_this_batch);
251 for (i = 0; i < vec_len (connections_this_batch); i++)
255 sp = pool_elt_at_index (ecm->sessions, connections_this_batch[i]);
257 if (sp->bytes_to_send > 0)
259 send_data_chunk (ecm, sp);
262 if (sp->bytes_to_receive > 0)
266 if (PREDICT_FALSE (delete_session == 1))
270 clib_atomic_fetch_add (&ecm->tx_total, sp->bytes_sent);
271 clib_atomic_fetch_add (&ecm->rx_total, sp->bytes_received);
272 s = session_get_from_handle_if_valid (sp->vpp_session_handle);
276 vnet_disconnect_args_t _a, *a = &_a;
277 a->handle = session_handle (s);
278 a->app_index = ecm->app_index;
279 vnet_disconnect_session (a);
281 vec_delete (connections_this_batch, 1, i);
283 clib_atomic_fetch_add (&ecm->ready_connections, -1);
287 clib_warning ("session AWOL?");
288 vec_delete (connections_this_batch, 1, i);
291 /* Kick the debug CLI process */
292 if (ecm->ready_connections == 0)
294 signal_evt_to_cli (2);
299 ecm->connection_index_by_thread[my_thread_index] = connection_indices;
300 ecm->connections_this_batch_by_thread[my_thread_index] =
301 connections_this_batch;
306 VLIB_REGISTER_NODE (echo_clients_node) =
308 .function = echo_client_node_fn,
309 .name = "echo-clients",
310 .type = VLIB_NODE_TYPE_INPUT,
311 .state = VLIB_NODE_STATE_DISABLED,
316 create_api_loopback (echo_client_main_t * ecm)
318 api_main_t *am = &api_main;
319 vl_shmem_hdr_t *shmem_hdr;
321 shmem_hdr = am->shmem_hdr;
322 ecm->vl_input_queue = shmem_hdr->vl_input_queue;
323 ecm->my_client_index = vl_api_memclnt_create_internal ("echo_client",
324 ecm->vl_input_queue);
329 echo_clients_init (vlib_main_t * vm)
331 echo_client_main_t *ecm = &echo_client_main;
332 vlib_thread_main_t *vtm = vlib_get_thread_main ();
336 if (create_api_loopback (ecm))
339 num_threads = 1 /* main thread */ + vtm->n_threads;
341 /* Init test data. Big buffer */
342 vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
343 for (i = 0; i < vec_len (ecm->connect_test_data); i++)
344 ecm->connect_test_data[i] = i & 0xff;
346 vec_validate (ecm->rx_buf, num_threads - 1);
347 for (i = 0; i < num_threads; i++)
348 vec_validate (ecm->rx_buf[i], vec_len (ecm->connect_test_data) - 1);
352 vec_validate (ecm->connection_index_by_thread, vtm->n_vlib_mains);
353 vec_validate (ecm->connections_this_batch_by_thread, vtm->n_vlib_mains);
354 vec_validate (ecm->vpp_event_queue, vtm->n_vlib_mains);
360 echo_clients_session_connected_callback (u32 app_index, u32 api_context,
361 session_t * s, u8 is_fail)
363 echo_client_main_t *ecm = &echo_client_main;
364 eclient_session_t *session;
368 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
373 clib_warning ("connection %d failed!", api_context);
374 ecm->run_test = ECHO_CLIENTS_EXITING;
375 signal_evt_to_cli (-1);
379 thread_index = s->thread_index;
380 ASSERT (thread_index == vlib_get_thread_index ()
381 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
383 if (!ecm->vpp_event_queue[thread_index])
384 ecm->vpp_event_queue[thread_index] =
385 session_main_get_vpp_event_queue (thread_index);
390 clib_spinlock_lock_if_init (&ecm->sessions_lock);
391 pool_get (ecm->sessions, session);
392 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
394 clib_memset (session, 0, sizeof (*session));
395 session_index = session - ecm->sessions;
396 session->bytes_to_send = ecm->bytes_to_send;
397 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
398 session->data.rx_fifo = s->rx_fifo;
399 session->data.rx_fifo->client_session_index = session_index;
400 session->data.tx_fifo = s->tx_fifo;
401 session->data.tx_fifo->client_session_index = session_index;
402 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
403 session->vpp_session_handle = session_handle (s);
407 transport_connection_t *tc;
408 tc = session_get_transport (s);
409 clib_memcpy_fast (&session->data.transport, tc,
410 sizeof (session->data.transport));
411 session->data.is_dgram = 1;
414 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
415 clib_atomic_fetch_add (&ecm->ready_connections, 1);
416 if (ecm->ready_connections == ecm->expected_connections)
418 ecm->run_test = ECHO_CLIENTS_RUNNING;
419 /* Signal the CLI process that the action is starting... */
420 signal_evt_to_cli (1);
427 echo_clients_session_reset_callback (session_t * s)
429 echo_client_main_t *ecm = &echo_client_main;
430 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
432 if (s->session_state == SESSION_STATE_READY)
433 clib_warning ("Reset active connection %U", format_session, s, 2);
435 a->handle = session_handle (s);
436 a->app_index = ecm->app_index;
437 vnet_disconnect_session (a);
442 echo_clients_session_create_callback (session_t * s)
448 echo_clients_session_disconnect_callback (session_t * s)
450 echo_client_main_t *ecm = &echo_client_main;
451 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
452 a->handle = session_handle (s);
453 a->app_index = ecm->app_index;
454 vnet_disconnect_session (a);
459 echo_clients_session_disconnect (session_t * s)
461 echo_client_main_t *ecm = &echo_client_main;
462 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
463 a->handle = session_handle (s);
464 a->app_index = ecm->app_index;
465 vnet_disconnect_session (a);
469 echo_clients_rx_callback (session_t * s)
471 echo_client_main_t *ecm = &echo_client_main;
472 eclient_session_t *sp;
474 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
476 echo_clients_session_disconnect (s);
480 sp = pool_elt_at_index (ecm->sessions, s->rx_fifo->client_session_index);
481 receive_data_chunk (ecm, sp);
483 if (svm_fifo_max_dequeue_cons (s->rx_fifo))
485 if (svm_fifo_set_event (s->rx_fifo))
486 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
492 echo_client_add_segment_callback (u32 client_index, u64 segment_handle)
494 /* New heaps may be added */
499 static session_cb_vft_t echo_clients = {
500 .session_reset_callback = echo_clients_session_reset_callback,
501 .session_connected_callback = echo_clients_session_connected_callback,
502 .session_accept_callback = echo_clients_session_create_callback,
503 .session_disconnect_callback = echo_clients_session_disconnect_callback,
504 .builtin_app_rx_callback = echo_clients_rx_callback,
505 .add_segment_callback = echo_client_add_segment_callback
509 static clib_error_t *
510 echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
512 u32 prealloc_fifos, segment_size = 256 << 20;
513 echo_client_main_t *ecm = &echo_client_main;
514 vnet_app_attach_args_t _a, *a = &_a;
518 clib_memset (a, 0, sizeof (*a));
519 clib_memset (options, 0, sizeof (options));
521 a->api_client_index = ecm->my_client_index;
522 a->session_cb_vft = &echo_clients;
524 prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
526 if (ecm->private_segment_size)
527 segment_size = ecm->private_segment_size;
529 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
530 options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
531 options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
532 options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
533 options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
534 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
535 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
536 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
537 options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
540 options[APP_OPTIONS_FLAGS] |= appns_flags;
541 options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret;
543 a->options = options;
544 a->namespace_id = appns_id;
546 if ((rv = vnet_application_attach (a)))
547 return clib_error_return (0, "attach returned %d", rv);
549 ecm->app_index = a->app_index;
554 echo_clients_detach ()
556 echo_client_main_t *ecm = &echo_client_main;
557 vnet_app_detach_args_t _da, *da = &_da;
560 da->app_index = ecm->app_index;
561 da->api_client_index = ~0;
562 rv = vnet_application_detach (da);
563 ecm->test_client_attached = 0;
569 echo_client_thread_fn (void *arg)
574 /** Start a transmit thread */
576 echo_clients_start_tx_pthread (echo_client_main_t * ecm)
578 if (ecm->client_thread_handle == 0)
580 int rv = pthread_create (&ecm->client_thread_handle,
582 echo_client_thread_fn, 0);
585 ecm->client_thread_handle = 0;
593 echo_clients_connect (vlib_main_t * vm, u32 n_clients)
595 echo_client_main_t *ecm = &echo_client_main;
596 vnet_connect_args_t _a, *a = &_a;
599 clib_memset (a, 0, sizeof (*a));
600 for (i = 0; i < n_clients; i++)
602 a->uri = (char *) ecm->connect_uri;
604 a->app_index = ecm->app_index;
606 if ((rv = vnet_connect_uri (a)))
607 return clib_error_return (0, "connect returned: %d", rv);
609 /* Crude pacing for call setups */
611 vlib_process_suspend (vm, 100e-6);
612 ASSERT (i + 1 >= ecm->ready_connections);
613 while (i + 1 - ecm->ready_connections > 128)
614 vlib_process_suspend (vm, 1e-3);
619 #define ec_cli_output(_fmt, _args...) \
620 if (!ecm->no_output) \
621 vlib_cli_output(vm, _fmt, ##_args)
623 static clib_error_t *
624 echo_clients_command_fn (vlib_main_t * vm,
625 unformat_input_t * input, vlib_cli_command_t * cmd)
627 echo_client_main_t *ecm = &echo_client_main;
628 vlib_thread_main_t *thread_main = vlib_get_thread_main ();
629 u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
630 f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
631 char *default_uri = "tcp://6.0.1.1/1234";
632 uword *event_data = 0, event_type;
633 f64 time_before_connects;
635 int preallocate_sessions = 0;
637 clib_error_t *error = 0;
641 ecm->bytes_to_send = 8192;
643 ecm->fifo_size = 64 << 10;
644 ecm->connections_per_batch = 1000;
645 ecm->private_segment_count = 0;
646 ecm->private_segment_size = 0;
649 ecm->test_failed = 0;
651 ecm->tls_engine = TLS_ENGINE_OPENSSL;
653 ecm->run_test = ECHO_CLIENTS_STARTING;
655 if (thread_main->n_vlib_mains > 1)
656 clib_spinlock_init (&ecm->sessions_lock);
657 vec_free (ecm->connect_uri);
659 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
661 if (unformat (input, "uri %s", &ecm->connect_uri))
663 else if (unformat (input, "nclients %d", &n_clients))
665 else if (unformat (input, "mbytes %lld", &tmp))
666 ecm->bytes_to_send = tmp << 20;
667 else if (unformat (input, "gbytes %lld", &tmp))
668 ecm->bytes_to_send = tmp << 30;
669 else if (unformat (input, "bytes %lld", &ecm->bytes_to_send))
671 else if (unformat (input, "test-timeout %f", &test_timeout))
673 else if (unformat (input, "syn-timeout %f", &syn_timeout))
675 else if (unformat (input, "no-return"))
677 else if (unformat (input, "fifo-size %d", &ecm->fifo_size))
678 ecm->fifo_size <<= 10;
679 else if (unformat (input, "private-segment-count %d",
680 &ecm->private_segment_count))
682 else if (unformat (input, "private-segment-size %U",
683 unformat_memory_size, &tmp))
685 if (tmp >= 0x100000000ULL)
686 return clib_error_return
687 (0, "private segment size %lld (%llu) too large", tmp, tmp);
688 ecm->private_segment_size = tmp;
690 else if (unformat (input, "preallocate-fifos"))
691 ecm->prealloc_fifos = 1;
692 else if (unformat (input, "preallocate-sessions"))
693 preallocate_sessions = 1;
695 if (unformat (input, "client-batch %d", &ecm->connections_per_batch))
697 else if (unformat (input, "appns %_%v%_", &appns_id))
699 else if (unformat (input, "all-scope"))
700 appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
701 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
702 else if (unformat (input, "local-scope"))
703 appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
704 else if (unformat (input, "global-scope"))
705 appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
706 else if (unformat (input, "secret %lu", &appns_secret))
708 else if (unformat (input, "no-output"))
710 else if (unformat (input, "test-bytes"))
712 else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
715 return clib_error_return (0, "failed: unknown input `%U'",
716 format_unformat_error, input);
719 /* Store cli process node index for signalling */
720 ecm->cli_node_index =
721 vlib_get_current_process (vm)->node_runtime.node_index;
723 if (ecm->is_init == 0)
725 if (echo_clients_init (vm))
726 return clib_error_return (0, "failed init");
730 ecm->ready_connections = 0;
731 ecm->expected_connections = n_clients;
735 if (!ecm->connect_uri)
737 clib_warning ("No uri provided. Using default: %s", default_uri);
738 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
741 if (ecm->connect_uri[0] == 'u' && ecm->connect_uri[3] != 'c')
744 #if ECHO_CLIENT_PTHREAD
745 echo_clients_start_tx_pthread ();
748 vlib_worker_thread_barrier_sync (vm);
749 vnet_session_enable_disable (vm, 1 /* turn on session and transports */ );
750 vlib_worker_thread_barrier_release (vm);
752 if (ecm->test_client_attached == 0)
754 if ((error = echo_clients_attach (appns_id, appns_flags, appns_secret)))
757 clib_error_report (error);
762 ecm->test_client_attached = 1;
764 /* Turn on the builtin client input nodes */
765 for (i = 0; i < thread_main->n_vlib_mains; i++)
766 vlib_node_set_state (vlib_mains[i], echo_clients_node.index,
767 VLIB_NODE_STATE_POLLING);
769 if (preallocate_sessions)
770 pool_init_fixed (ecm->sessions, 1.1 * n_clients);
772 /* Fire off connect requests */
773 time_before_connects = vlib_time_now (vm);
774 if ((error = echo_clients_connect (vm, n_clients)))
777 /* Park until the sessions come up, or ten seconds elapse... */
778 vlib_process_wait_for_event_or_clock (vm, syn_timeout);
779 event_type = vlib_process_get_events (vm, &event_data);
783 ec_cli_output ("Timeout with only %d sessions active...",
784 ecm->ready_connections);
785 error = clib_error_return (0, "failed: syn timeout with %d sessions",
786 ecm->ready_connections);
790 delta = vlib_time_now (vm) - time_before_connects;
792 ec_cli_output ("%d three-way handshakes in %.2f seconds %.2f/s",
793 n_clients, delta, ((f64) n_clients) / delta);
795 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
796 ec_cli_output ("Test started at %.6f", ecm->test_start_time);
800 ec_cli_output ("unexpected event(1): %d", event_type);
801 error = clib_error_return (0, "failed: unexpected event(1): %d",
806 /* Now wait for the sessions to finish... */
807 vlib_process_wait_for_event_or_clock (vm, test_timeout);
808 event_type = vlib_process_get_events (vm, &event_data);
812 ec_cli_output ("Timeout with %d sessions still active...",
813 ecm->ready_connections);
814 error = clib_error_return (0, "failed: timeout with %d sessions",
815 ecm->ready_connections);
819 ecm->test_end_time = vlib_time_now (vm);
820 ec_cli_output ("Test finished at %.6f", ecm->test_end_time);
824 ec_cli_output ("unexpected event(2): %d", event_type);
825 error = clib_error_return (0, "failed: unexpected event(2): %d",
830 delta = ecm->test_end_time - ecm->test_start_time;
833 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
834 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
835 ec_cli_output ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
836 total_bytes, total_bytes / (1ULL << 20),
837 total_bytes / (1ULL << 30), delta);
838 ec_cli_output ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
840 ec_cli_output ("%.4f gbit/second %s",
841 (((f64) total_bytes * 8.0) / delta / 1e9),
846 ec_cli_output ("zero delta-t?");
847 error = clib_error_return (0, "failed: zero delta-t");
851 if (ecm->test_bytes && ecm->test_failed)
852 error = clib_error_return (0, "failed: test bytes");
855 ecm->run_test = ECHO_CLIENTS_EXITING;
856 vlib_process_wait_for_event_or_clock (vm, 10e-3);
857 for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
859 vec_reset_length (ecm->connection_index_by_thread[i]);
860 vec_reset_length (ecm->connections_this_batch_by_thread[i]);
863 pool_free (ecm->sessions);
865 /* Detach the application, so we can use different fifo sizes next time */
866 if (ecm->test_client_attached)
868 if (echo_clients_detach ())
870 error = clib_error_return (0, "failed: app detach");
871 ec_cli_output ("WARNING: app detach failed...");
875 ec_cli_output ("test failed");
876 vec_free (ecm->connect_uri);
881 VLIB_CLI_COMMAND (echo_clients_command, static) =
883 .path = "test echo clients",
884 .short_help = "test echo clients [nclients %d][[m|g]bytes <bytes>]"
885 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
886 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
887 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
888 "[uri <tcp://ip/port>][test-bytes][no-output]",
889 .function = echo_clients_command_fn,
895 echo_clients_main_init (vlib_main_t * vm)
897 echo_client_main_t *ecm = &echo_client_main;
902 VLIB_INIT_FUNCTION (echo_clients_main_init);
905 * fd.io coding-style-patch-verification: ON
908 * eval: (c-set-style "gnu")