2 * echo_client.c - vpp built-in echo client code
4 * Copyright (c) 2017 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 (f), bytes_this_chunk);
64 svm_fifo_enqueue_nocopy (f, rv);
65 session_send_io_evt_to_thread_custom (f, s->thread_index,
69 rv = app_send_stream (&s->data, test_data + test_buf_offset,
76 session_dgram_hdr_t hdr;
77 svm_fifo_t *f = s->data.tx_fifo;
78 app_session_transport_t *at = &s->data.transport;
79 u32 max_enqueue = svm_fifo_max_enqueue (f);
81 if (max_enqueue <= sizeof (session_dgram_hdr_t))
84 max_enqueue -= sizeof (session_dgram_hdr_t);
85 rv = clib_min (max_enqueue, bytes_this_chunk);
89 clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip,
90 sizeof (ip46_address_t));
91 hdr.is_ip4 = at->is_ip4;
92 hdr.rmt_port = at->rmt_port;
93 clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip,
94 sizeof (ip46_address_t));
95 hdr.lcl_port = at->lcl_port;
96 svm_fifo_enqueue_nowait (f, sizeof (hdr), (u8 *) & hdr);
97 svm_fifo_enqueue_nocopy (f, rv);
98 session_send_io_evt_to_thread_custom (f, s->thread_index,
102 rv = app_send_dgram (&s->data, test_data + test_buf_offset,
103 bytes_this_chunk, 0);
106 /* If we managed to enqueue data... */
109 /* Account for it... */
110 s->bytes_to_send -= rv;
116 ELOG_TYPE_DECLARE (e) =
118 .format = "tx-enq: xfer %d bytes, sent %u remain %u",
119 .format_args = "i4i4i4",
126 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
128 ed->data[1] = s->bytes_sent;
129 ed->data[2] = s->bytes_to_send;
135 receive_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
137 svm_fifo_t *rx_fifo = s->data.rx_fifo;
138 u32 thread_index = vlib_get_thread_index ();
144 n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
145 vec_len (ecm->rx_buf[thread_index]));
147 n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
148 vec_len (ecm->rx_buf[thread_index]));
152 n_read = svm_fifo_max_dequeue (rx_fifo);
153 svm_fifo_dequeue_drop (rx_fifo, n_read);
161 ELOG_TYPE_DECLARE (e) =
163 .format = "rx-deq: %d bytes",
171 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
172 ed->data[0] = n_read;
177 for (i = 0; i < n_read; i++)
179 if (ecm->rx_buf[thread_index][i]
180 != ((s->bytes_received + i) & 0xff))
182 clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
183 n_read, s->bytes_received + i,
184 ecm->rx_buf[thread_index][i],
185 ((s->bytes_received + i) & 0xff));
186 ecm->test_failed = 1;
190 ASSERT (n_read <= s->bytes_to_receive);
191 s->bytes_to_receive -= n_read;
192 s->bytes_received += n_read;
197 echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
198 vlib_frame_t * frame)
200 echo_client_main_t *ecm = &echo_client_main;
201 int my_thread_index = vlib_get_thread_index ();
202 eclient_session_t *sp;
205 u32 *connection_indices;
206 u32 *connections_this_batch;
207 u32 nconnections_this_batch;
209 connection_indices = ecm->connection_index_by_thread[my_thread_index];
210 connections_this_batch =
211 ecm->connections_this_batch_by_thread[my_thread_index];
213 if ((ecm->run_test != ECHO_CLIENTS_RUNNING) ||
214 ((vec_len (connection_indices) == 0)
215 && vec_len (connections_this_batch) == 0))
218 /* Grab another pile of connections */
219 if (PREDICT_FALSE (vec_len (connections_this_batch) == 0))
221 nconnections_this_batch =
222 clib_min (ecm->connections_per_batch, vec_len (connection_indices));
224 ASSERT (nconnections_this_batch > 0);
225 vec_validate (connections_this_batch, nconnections_this_batch - 1);
226 clib_memcpy_fast (connections_this_batch,
227 connection_indices + vec_len (connection_indices)
228 - nconnections_this_batch,
229 nconnections_this_batch * sizeof (u32));
230 _vec_len (connection_indices) -= nconnections_this_batch;
233 if (PREDICT_FALSE (ecm->prev_conns != ecm->connections_per_batch
234 && ecm->prev_conns == vec_len (connections_this_batch)))
237 ecm->prev_conns = vec_len (connections_this_batch);
238 if (ecm->repeats == 500000)
240 clib_warning ("stuck clients");
245 ecm->prev_conns = vec_len (connections_this_batch);
249 for (i = 0; i < vec_len (connections_this_batch); i++)
253 sp = pool_elt_at_index (ecm->sessions, connections_this_batch[i]);
255 if (sp->bytes_to_send > 0)
257 send_data_chunk (ecm, sp);
260 if (sp->bytes_to_receive > 0)
264 if (PREDICT_FALSE (delete_session == 1))
268 clib_atomic_fetch_add (&ecm->tx_total, sp->bytes_sent);
269 clib_atomic_fetch_add (&ecm->rx_total, sp->bytes_received);
270 s = session_get_from_handle_if_valid (sp->vpp_session_handle);
274 vnet_disconnect_args_t _a, *a = &_a;
275 a->handle = session_handle (s);
276 a->app_index = ecm->app_index;
277 vnet_disconnect_session (a);
279 vec_delete (connections_this_batch, 1, i);
281 clib_atomic_fetch_add (&ecm->ready_connections, -1);
285 clib_warning ("session AWOL?");
286 vec_delete (connections_this_batch, 1, i);
289 /* Kick the debug CLI process */
290 if (ecm->ready_connections == 0)
292 signal_evt_to_cli (2);
297 ecm->connection_index_by_thread[my_thread_index] = connection_indices;
298 ecm->connections_this_batch_by_thread[my_thread_index] =
299 connections_this_batch;
304 VLIB_REGISTER_NODE (echo_clients_node) =
306 .function = echo_client_node_fn,
307 .name = "echo-clients",
308 .type = VLIB_NODE_TYPE_INPUT,
309 .state = VLIB_NODE_STATE_DISABLED,
314 create_api_loopback (echo_client_main_t * ecm)
316 api_main_t *am = &api_main;
317 vl_shmem_hdr_t *shmem_hdr;
319 shmem_hdr = am->shmem_hdr;
320 ecm->vl_input_queue = shmem_hdr->vl_input_queue;
321 ecm->my_client_index = vl_api_memclnt_create_internal ("echo_client",
322 ecm->vl_input_queue);
327 echo_clients_init (vlib_main_t * vm)
329 echo_client_main_t *ecm = &echo_client_main;
330 vlib_thread_main_t *vtm = vlib_get_thread_main ();
334 if (create_api_loopback (ecm))
337 num_threads = 1 /* main thread */ + vtm->n_threads;
339 /* Init test data. Big buffer */
340 vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
341 for (i = 0; i < vec_len (ecm->connect_test_data); i++)
342 ecm->connect_test_data[i] = i & 0xff;
344 vec_validate (ecm->rx_buf, num_threads - 1);
345 for (i = 0; i < num_threads; i++)
346 vec_validate (ecm->rx_buf[i], vec_len (ecm->connect_test_data) - 1);
350 vec_validate (ecm->connection_index_by_thread, vtm->n_vlib_mains);
351 vec_validate (ecm->connections_this_batch_by_thread, vtm->n_vlib_mains);
352 vec_validate (ecm->vpp_event_queue, vtm->n_vlib_mains);
358 echo_clients_session_connected_callback (u32 app_index, u32 api_context,
359 stream_session_t * s, u8 is_fail)
361 echo_client_main_t *ecm = &echo_client_main;
362 eclient_session_t *session;
366 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
371 clib_warning ("connection %d failed!", api_context);
372 ecm->run_test = ECHO_CLIENTS_EXITING;
373 signal_evt_to_cli (-1);
377 thread_index = s->thread_index;
378 ASSERT (thread_index == vlib_get_thread_index ()
379 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
381 if (!ecm->vpp_event_queue[thread_index])
382 ecm->vpp_event_queue[thread_index] =
383 session_manager_get_vpp_event_queue (thread_index);
388 clib_spinlock_lock_if_init (&ecm->sessions_lock);
389 pool_get (ecm->sessions, session);
390 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
392 clib_memset (session, 0, sizeof (*session));
393 session_index = session - ecm->sessions;
394 session->bytes_to_send = ecm->bytes_to_send;
395 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
396 session->data.rx_fifo = s->server_rx_fifo;
397 session->data.rx_fifo->client_session_index = session_index;
398 session->data.tx_fifo = s->server_tx_fifo;
399 session->data.tx_fifo->client_session_index = session_index;
400 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
401 session->vpp_session_handle = session_handle (s);
405 transport_connection_t *tc;
406 tc = session_get_transport (s);
407 clib_memcpy_fast (&session->data.transport, tc,
408 sizeof (session->data.transport));
409 session->data.is_dgram = 1;
412 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
413 clib_atomic_fetch_add (&ecm->ready_connections, 1);
414 if (ecm->ready_connections == ecm->expected_connections)
416 ecm->run_test = ECHO_CLIENTS_RUNNING;
417 /* Signal the CLI process that the action is starting... */
418 signal_evt_to_cli (1);
425 echo_clients_session_reset_callback (stream_session_t * s)
427 echo_client_main_t *ecm = &echo_client_main;
428 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
430 if (s->session_state == SESSION_STATE_READY)
431 clib_warning ("Reset active connection %U", format_stream_session, s, 2);
433 a->handle = session_handle (s);
434 a->app_index = ecm->app_index;
435 vnet_disconnect_session (a);
440 echo_clients_session_create_callback (stream_session_t * s)
446 echo_clients_session_disconnect_callback (stream_session_t * s)
448 echo_client_main_t *ecm = &echo_client_main;
449 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
450 a->handle = session_handle (s);
451 a->app_index = ecm->app_index;
452 vnet_disconnect_session (a);
457 echo_clients_session_disconnect (stream_session_t * s)
459 echo_client_main_t *ecm = &echo_client_main;
460 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
461 a->handle = session_handle (s);
462 a->app_index = ecm->app_index;
463 vnet_disconnect_session (a);
467 echo_clients_rx_callback (stream_session_t * s)
469 echo_client_main_t *ecm = &echo_client_main;
470 eclient_session_t *sp;
472 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
474 echo_clients_session_disconnect (s);
478 sp = pool_elt_at_index (ecm->sessions,
479 s->server_rx_fifo->client_session_index);
480 receive_data_chunk (ecm, sp);
482 if (svm_fifo_max_dequeue (s->server_rx_fifo))
484 if (svm_fifo_set_event (s->server_rx_fifo))
485 session_send_io_evt_to_thread (s->server_rx_fifo,
486 FIFO_EVENT_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;
516 clib_error_t *error = 0;
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 ((error = vnet_application_attach (a)))
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;
597 clib_error_t *error = 0;
600 clib_memset (a, 0, sizeof (*a));
601 for (i = 0; i < n_clients; i++)
603 a->uri = (char *) ecm->connect_uri;
605 a->app_index = ecm->app_index;
607 if ((error = vnet_connect_uri (a)))
610 /* Crude pacing for call setups */
612 vlib_process_suspend (vm, 10e-6);
613 ASSERT (i + 1 >= ecm->ready_connections);
614 while (i + 1 - ecm->ready_connections > 1000)
616 vlib_process_suspend (vm, 100e-6);
622 #define ec_cli_output(_fmt, _args...) \
623 if (!ecm->no_output) \
624 vlib_cli_output(vm, _fmt, ##_args)
626 static clib_error_t *
627 echo_clients_command_fn (vlib_main_t * vm,
628 unformat_input_t * input, vlib_cli_command_t * cmd)
630 echo_client_main_t *ecm = &echo_client_main;
631 vlib_thread_main_t *thread_main = vlib_get_thread_main ();
632 u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
633 f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
634 char *default_uri = "tcp://6.0.1.1/1234";
635 uword *event_data = 0, event_type;
636 f64 time_before_connects;
638 int preallocate_sessions = 0;
640 clib_error_t *error = 0;
644 ecm->bytes_to_send = 8192;
646 ecm->fifo_size = 64 << 10;
647 ecm->connections_per_batch = 1000;
648 ecm->private_segment_count = 0;
649 ecm->private_segment_size = 0;
652 ecm->test_failed = 0;
654 ecm->tls_engine = TLS_ENGINE_OPENSSL;
656 ecm->run_test = ECHO_CLIENTS_STARTING;
658 if (thread_main->n_vlib_mains > 1)
659 clib_spinlock_init (&ecm->sessions_lock);
660 vec_free (ecm->connect_uri);
662 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
664 if (unformat (input, "uri %s", &ecm->connect_uri))
666 else if (unformat (input, "nclients %d", &n_clients))
668 else if (unformat (input, "mbytes %lld", &tmp))
669 ecm->bytes_to_send = tmp << 20;
670 else if (unformat (input, "gbytes %lld", &tmp))
671 ecm->bytes_to_send = tmp << 30;
672 else if (unformat (input, "bytes %lld", &ecm->bytes_to_send))
674 else if (unformat (input, "test-timeout %f", &test_timeout))
676 else if (unformat (input, "syn-timeout %f", &syn_timeout))
678 else if (unformat (input, "no-return"))
680 else if (unformat (input, "fifo-size %d", &ecm->fifo_size))
681 ecm->fifo_size <<= 10;
682 else if (unformat (input, "private-segment-count %d",
683 &ecm->private_segment_count))
685 else if (unformat (input, "private-segment-size %U",
686 unformat_memory_size, &tmp))
688 if (tmp >= 0x100000000ULL)
689 return clib_error_return
690 (0, "private segment size %lld (%llu) too large", tmp, tmp);
691 ecm->private_segment_size = tmp;
693 else if (unformat (input, "preallocate-fifos"))
694 ecm->prealloc_fifos = 1;
695 else if (unformat (input, "preallocate-sessions"))
696 preallocate_sessions = 1;
698 if (unformat (input, "client-batch %d", &ecm->connections_per_batch))
700 else if (unformat (input, "appns %_%v%_", &appns_id))
702 else if (unformat (input, "all-scope"))
703 appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
704 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
705 else if (unformat (input, "local-scope"))
706 appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
707 else if (unformat (input, "global-scope"))
708 appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
709 else if (unformat (input, "secret %lu", &appns_secret))
711 else if (unformat (input, "no-output"))
713 else if (unformat (input, "test-bytes"))
715 else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
718 return clib_error_return (0, "failed: unknown input `%U'",
719 format_unformat_error, input);
722 /* Store cli process node index for signalling */
723 ecm->cli_node_index =
724 vlib_get_current_process (vm)->node_runtime.node_index;
726 if (ecm->is_init == 0)
728 if (echo_clients_init (vm))
729 return clib_error_return (0, "failed init");
733 ecm->ready_connections = 0;
734 ecm->expected_connections = n_clients;
738 if (!ecm->connect_uri)
740 clib_warning ("No uri provided. Using default: %s", default_uri);
741 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
744 if (ecm->connect_uri[0] == 'u' && ecm->connect_uri[3] != 'c')
747 #if ECHO_CLIENT_PTHREAD
748 echo_clients_start_tx_pthread ();
751 vlib_worker_thread_barrier_sync (vm);
752 vnet_session_enable_disable (vm, 1 /* turn on session and transports */ );
753 vlib_worker_thread_barrier_release (vm);
755 if (ecm->test_client_attached == 0)
757 if ((error = echo_clients_attach (appns_id, appns_flags, appns_secret)))
760 clib_error_report (error);
765 ecm->test_client_attached = 1;
767 /* Turn on the builtin client input nodes */
768 for (i = 0; i < thread_main->n_vlib_mains; i++)
769 vlib_node_set_state (vlib_mains[i], echo_clients_node.index,
770 VLIB_NODE_STATE_POLLING);
772 if (preallocate_sessions)
773 pool_init_fixed (ecm->sessions, 1.1 * n_clients);
775 /* Fire off connect requests */
776 time_before_connects = vlib_time_now (vm);
777 if ((error = echo_clients_connect (vm, n_clients)))
780 /* Park until the sessions come up, or ten seconds elapse... */
781 vlib_process_wait_for_event_or_clock (vm, syn_timeout);
782 event_type = vlib_process_get_events (vm, &event_data);
786 ec_cli_output ("Timeout with only %d sessions active...",
787 ecm->ready_connections);
788 error = clib_error_return (0, "failed: syn timeout with %d sessions",
789 ecm->ready_connections);
793 delta = vlib_time_now (vm) - time_before_connects;
795 ec_cli_output ("%d three-way handshakes in %.2f seconds %.2f/s",
796 n_clients, delta, ((f64) n_clients) / delta);
798 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
799 ec_cli_output ("Test started at %.6f", ecm->test_start_time);
803 ec_cli_output ("unexpected event(1): %d", event_type);
804 error = clib_error_return (0, "failed: unexpected event(1): %d",
809 /* Now wait for the sessions to finish... */
810 vlib_process_wait_for_event_or_clock (vm, test_timeout);
811 event_type = vlib_process_get_events (vm, &event_data);
815 ec_cli_output ("Timeout with %d sessions still active...",
816 ecm->ready_connections);
817 error = clib_error_return (0, "failed: timeout with %d sessions",
818 ecm->ready_connections);
822 ecm->test_end_time = vlib_time_now (vm);
823 ec_cli_output ("Test finished at %.6f", ecm->test_end_time);
827 ec_cli_output ("unexpected event(2): %d", event_type);
828 error = clib_error_return (0, "failed: unexpected event(2): %d",
833 delta = ecm->test_end_time - ecm->test_start_time;
836 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
837 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
838 ec_cli_output ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
839 total_bytes, total_bytes / (1ULL << 20),
840 total_bytes / (1ULL << 30), delta);
841 ec_cli_output ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
843 ec_cli_output ("%.4f gbit/second %s",
844 (((f64) total_bytes * 8.0) / delta / 1e9),
849 ec_cli_output ("zero delta-t?");
850 error = clib_error_return (0, "failed: zero delta-t");
854 if (ecm->test_bytes && ecm->test_failed)
855 error = clib_error_return (0, "failed: test bytes");
858 ecm->run_test = ECHO_CLIENTS_EXITING;
859 vlib_process_wait_for_event_or_clock (vm, 10e-3);
860 for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
862 vec_reset_length (ecm->connection_index_by_thread[i]);
863 vec_reset_length (ecm->connections_this_batch_by_thread[i]);
866 pool_free (ecm->sessions);
868 /* Detach the application, so we can use different fifo sizes next time */
869 if (ecm->test_client_attached)
871 if (echo_clients_detach ())
873 error = clib_error_return (0, "failed: app detach");
874 ec_cli_output ("WARNING: app detach failed...");
878 ec_cli_output ("test failed");
879 vec_free (ecm->connect_uri);
884 VLIB_CLI_COMMAND (echo_clients_command, static) =
886 .path = "test echo clients",
887 .short_help = "test echo clients [nclients %d][[m|g]bytes <bytes>]"
888 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
889 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
890 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
891 "[uri <tcp://ip/port>][test-bytes][no-output]",
892 .function = echo_clients_command_fn,
898 echo_clients_main_init (vlib_main_t * vm)
900 echo_client_main_t *ecm = &echo_client_main;
905 VLIB_INIT_FUNCTION (echo_clients_main_init);
908 * fd.io coding-style-patch-verification: ON
911 * eval: (c-set-style "gnu")