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)
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_nowait (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;
370 u8 thread_index = vlib_get_thread_index ();
371 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
373 DBG ("QUIC Connection handle %d", session_handle (s));
375 a.uri = (char *) ecm->connect_uri;
376 parse_uri (a.uri, &sep);
377 sep.transport_opts = session_handle (s);
379 clib_memset (&a, 0, sizeof (a));
380 a.app_index = ecm->app_index;
381 a.api_context = -1 - api_context;
382 clib_memcpy (&a.sep_ext, &sep, sizeof (sep));
384 if ((rv = vnet_connect (&a)))
386 clib_error ("Session opening failed: %d", rv);
389 vec_add1 (ecm->quic_session_index_by_thread[thread_index],
395 quic_echo_clients_session_connected_callback (u32 app_index, u32 api_context,
396 session_t * s, u8 is_fail)
398 echo_client_main_t *ecm = &echo_client_main;
399 eclient_session_t *session;
403 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
408 clib_warning ("connection %d failed!", api_context);
409 ecm->run_test = ECHO_CLIENTS_EXITING;
410 signal_evt_to_cli (-1);
414 if (!(s->flags & SESSION_F_QUIC_STREAM))
415 return quic_echo_clients_qsession_connected_callback (app_index,
418 DBG ("STREAM Connection callback %d", api_context);
420 thread_index = s->thread_index;
421 ASSERT (thread_index == vlib_get_thread_index ()
422 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
424 if (!ecm->vpp_event_queue[thread_index])
425 ecm->vpp_event_queue[thread_index] =
426 session_main_get_vpp_event_queue (thread_index);
431 clib_spinlock_lock_if_init (&ecm->sessions_lock);
432 pool_get (ecm->sessions, session);
433 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
435 clib_memset (session, 0, sizeof (*session));
436 session_index = session - ecm->sessions;
437 session->bytes_to_send = ecm->bytes_to_send;
438 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
439 session->data.rx_fifo = s->rx_fifo;
440 session->data.rx_fifo->client_session_index = session_index;
441 session->data.tx_fifo = s->tx_fifo;
442 session->data.tx_fifo->client_session_index = session_index;
443 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
444 session->vpp_session_handle = session_handle (s);
448 transport_connection_t *tc;
449 tc = session_get_transport (s);
450 clib_memcpy_fast (&session->data.transport, tc,
451 sizeof (session->data.transport));
452 session->data.is_dgram = 1;
455 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
456 clib_atomic_fetch_add (&ecm->ready_connections, 1);
457 if (ecm->ready_connections == ecm->expected_connections)
459 ecm->run_test = ECHO_CLIENTS_RUNNING;
460 /* Signal the CLI process that the action is starting... */
461 signal_evt_to_cli (1);
468 echo_clients_session_connected_callback (u32 app_index, u32 api_context,
469 session_t * s, u8 is_fail)
471 echo_client_main_t *ecm = &echo_client_main;
472 eclient_session_t *session;
476 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
481 clib_warning ("connection %d failed!", api_context);
482 ecm->run_test = ECHO_CLIENTS_EXITING;
483 signal_evt_to_cli (-1);
487 thread_index = s->thread_index;
488 ASSERT (thread_index == vlib_get_thread_index ()
489 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
491 if (!ecm->vpp_event_queue[thread_index])
492 ecm->vpp_event_queue[thread_index] =
493 session_main_get_vpp_event_queue (thread_index);
498 clib_spinlock_lock_if_init (&ecm->sessions_lock);
499 pool_get (ecm->sessions, session);
500 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
502 clib_memset (session, 0, sizeof (*session));
503 session_index = session - ecm->sessions;
504 session->bytes_to_send = ecm->bytes_to_send;
505 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
506 session->data.rx_fifo = s->rx_fifo;
507 session->data.rx_fifo->client_session_index = session_index;
508 session->data.tx_fifo = s->tx_fifo;
509 session->data.tx_fifo->client_session_index = session_index;
510 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
511 session->vpp_session_handle = session_handle (s);
515 transport_connection_t *tc;
516 tc = session_get_transport (s);
517 clib_memcpy_fast (&session->data.transport, tc,
518 sizeof (session->data.transport));
519 session->data.is_dgram = 1;
522 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
523 clib_atomic_fetch_add (&ecm->ready_connections, 1);
524 if (ecm->ready_connections == ecm->expected_connections)
526 ecm->run_test = ECHO_CLIENTS_RUNNING;
527 /* Signal the CLI process that the action is starting... */
528 signal_evt_to_cli (1);
535 echo_clients_session_reset_callback (session_t * s)
537 echo_client_main_t *ecm = &echo_client_main;
538 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
540 if (s->session_state == SESSION_STATE_READY)
541 clib_warning ("Reset active connection %U", format_session, s, 2);
543 a->handle = session_handle (s);
544 a->app_index = ecm->app_index;
545 vnet_disconnect_session (a);
550 echo_clients_session_create_callback (session_t * s)
556 echo_clients_session_disconnect_callback (session_t * s)
558 echo_client_main_t *ecm = &echo_client_main;
559 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
560 a->handle = session_handle (s);
561 a->app_index = ecm->app_index;
562 vnet_disconnect_session (a);
567 echo_clients_session_disconnect (session_t * s)
569 echo_client_main_t *ecm = &echo_client_main;
570 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
571 a->handle = session_handle (s);
572 a->app_index = ecm->app_index;
573 vnet_disconnect_session (a);
577 echo_clients_rx_callback (session_t * s)
579 echo_client_main_t *ecm = &echo_client_main;
580 eclient_session_t *sp;
582 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
584 echo_clients_session_disconnect (s);
588 sp = pool_elt_at_index (ecm->sessions, s->rx_fifo->client_session_index);
589 receive_data_chunk (ecm, sp);
591 if (svm_fifo_max_dequeue_cons (s->rx_fifo))
593 if (svm_fifo_set_event (s->rx_fifo))
594 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
600 echo_client_add_segment_callback (u32 client_index, u64 segment_handle)
602 /* New heaps may be added */
607 static session_cb_vft_t echo_clients = {
608 .session_reset_callback = echo_clients_session_reset_callback,
609 .session_connected_callback = echo_clients_session_connected_callback,
610 .session_accept_callback = echo_clients_session_create_callback,
611 .session_disconnect_callback = echo_clients_session_disconnect_callback,
612 .builtin_app_rx_callback = echo_clients_rx_callback,
613 .add_segment_callback = echo_client_add_segment_callback
617 static clib_error_t *
618 echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
620 u32 prealloc_fifos, segment_size = 256 << 20;
621 echo_client_main_t *ecm = &echo_client_main;
622 vnet_app_attach_args_t _a, *a = &_a;
626 clib_memset (a, 0, sizeof (*a));
627 clib_memset (options, 0, sizeof (options));
629 a->api_client_index = ecm->my_client_index;
630 if (ecm->transport_proto == TRANSPORT_PROTO_QUIC)
631 echo_clients.session_connected_callback =
632 quic_echo_clients_session_connected_callback;
633 a->session_cb_vft = &echo_clients;
635 prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
637 if (ecm->private_segment_size)
638 segment_size = ecm->private_segment_size;
640 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
641 options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
642 options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
643 options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
644 options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
645 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
646 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
647 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
648 options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
651 options[APP_OPTIONS_FLAGS] |= appns_flags;
652 options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret;
654 a->options = options;
655 a->namespace_id = appns_id;
657 if ((rv = vnet_application_attach (a)))
658 return clib_error_return (0, "attach returned %d", rv);
660 ecm->app_index = a->app_index;
665 echo_clients_detach ()
667 echo_client_main_t *ecm = &echo_client_main;
668 vnet_app_detach_args_t _da, *da = &_da;
671 da->app_index = ecm->app_index;
672 da->api_client_index = ~0;
673 rv = vnet_application_detach (da);
674 ecm->test_client_attached = 0;
680 echo_client_thread_fn (void *arg)
685 /** Start a transmit thread */
687 echo_clients_start_tx_pthread (echo_client_main_t * ecm)
689 if (ecm->client_thread_handle == 0)
691 int rv = pthread_create (&ecm->client_thread_handle,
693 echo_client_thread_fn, 0);
696 ecm->client_thread_handle = 0;
704 echo_clients_connect (vlib_main_t * vm, u32 n_clients)
706 echo_client_main_t *ecm = &echo_client_main;
707 vnet_connect_args_t _a, *a = &_a;
710 clib_memset (a, 0, sizeof (*a));
712 for (i = 0; i < n_clients; i++)
714 a->uri = (char *) ecm->connect_uri;
716 a->app_index = ecm->app_index;
717 if ((rv = vnet_connect_uri (a)))
718 return clib_error_return (0, "connect returned: %d", rv);
720 /* Crude pacing for call setups */
722 vlib_process_suspend (vm, 100e-6);
723 ASSERT (i + 1 >= ecm->ready_connections);
724 while (i + 1 - ecm->ready_connections > 128)
725 vlib_process_suspend (vm, 1e-3);
730 #define ec_cli_output(_fmt, _args...) \
731 if (!ecm->no_output) \
732 vlib_cli_output(vm, _fmt, ##_args)
734 static clib_error_t *
735 echo_clients_command_fn (vlib_main_t * vm,
736 unformat_input_t * input, vlib_cli_command_t * cmd)
738 echo_client_main_t *ecm = &echo_client_main;
739 vlib_thread_main_t *thread_main = vlib_get_thread_main ();
740 u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
741 f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
742 char *default_uri = "tcp://6.0.1.1/1234";
743 uword *event_data = 0, event_type;
744 f64 time_before_connects;
746 int preallocate_sessions = 0;
748 clib_error_t *error = 0;
751 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
754 ecm->bytes_to_send = 8192;
756 ecm->fifo_size = 64 << 10;
757 ecm->connections_per_batch = 1000;
758 ecm->private_segment_count = 0;
759 ecm->private_segment_size = 0;
762 ecm->test_failed = 0;
764 ecm->tls_engine = TLS_ENGINE_OPENSSL;
766 ecm->run_test = ECHO_CLIENTS_STARTING;
768 if (thread_main->n_vlib_mains > 1)
769 clib_spinlock_init (&ecm->sessions_lock);
770 vec_free (ecm->connect_uri);
772 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
774 if (unformat (input, "uri %s", &ecm->connect_uri))
776 else if (unformat (input, "nclients %d", &n_clients))
778 else if (unformat (input, "mbytes %lld", &tmp))
779 ecm->bytes_to_send = tmp << 20;
780 else if (unformat (input, "gbytes %lld", &tmp))
781 ecm->bytes_to_send = tmp << 30;
782 else if (unformat (input, "bytes %lld", &ecm->bytes_to_send))
784 else if (unformat (input, "test-timeout %f", &test_timeout))
786 else if (unformat (input, "syn-timeout %f", &syn_timeout))
788 else if (unformat (input, "no-return"))
790 else if (unformat (input, "fifo-size %d", &ecm->fifo_size))
791 ecm->fifo_size <<= 10;
792 else if (unformat (input, "private-segment-count %d",
793 &ecm->private_segment_count))
795 else if (unformat (input, "private-segment-size %U",
796 unformat_memory_size, &tmp))
798 if (tmp >= 0x100000000ULL)
799 return clib_error_return
800 (0, "private segment size %lld (%llu) too large", tmp, tmp);
801 ecm->private_segment_size = tmp;
803 else if (unformat (input, "preallocate-fifos"))
804 ecm->prealloc_fifos = 1;
805 else if (unformat (input, "preallocate-sessions"))
806 preallocate_sessions = 1;
808 if (unformat (input, "client-batch %d", &ecm->connections_per_batch))
810 else if (unformat (input, "appns %_%v%_", &appns_id))
812 else if (unformat (input, "all-scope"))
813 appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
814 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
815 else if (unformat (input, "local-scope"))
816 appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
817 else if (unformat (input, "global-scope"))
818 appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
819 else if (unformat (input, "secret %lu", &appns_secret))
821 else if (unformat (input, "no-output"))
823 else if (unformat (input, "test-bytes"))
825 else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
828 return clib_error_return (0, "failed: unknown input `%U'",
829 format_unformat_error, input);
832 /* Store cli process node index for signalling */
833 ecm->cli_node_index =
834 vlib_get_current_process (vm)->node_runtime.node_index;
836 if (ecm->is_init == 0)
838 if (echo_clients_init (vm))
839 return clib_error_return (0, "failed init");
843 ecm->ready_connections = 0;
844 ecm->expected_connections = n_clients;
848 if (!ecm->connect_uri)
850 clib_warning ("No uri provided. Using default: %s", default_uri);
851 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
854 if ((rv = parse_uri ((char *) ecm->connect_uri, &sep)))
855 return clib_error_return (0, "Uri parse error: %d", rv);
856 ecm->transport_proto = sep.transport_proto;
857 ecm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP);
859 #if ECHO_CLIENT_PTHREAD
860 echo_clients_start_tx_pthread ();
863 vlib_worker_thread_barrier_sync (vm);
864 vnet_session_enable_disable (vm, 1 /* turn on session and transports */ );
865 vlib_worker_thread_barrier_release (vm);
867 if (ecm->test_client_attached == 0)
869 if ((error = echo_clients_attach (appns_id, appns_flags, appns_secret)))
872 clib_error_report (error);
877 ecm->test_client_attached = 1;
879 /* Turn on the builtin client input nodes */
880 for (i = 0; i < thread_main->n_vlib_mains; i++)
881 vlib_node_set_state (vlib_mains[i], echo_clients_node.index,
882 VLIB_NODE_STATE_POLLING);
884 if (preallocate_sessions)
885 pool_init_fixed (ecm->sessions, 1.1 * n_clients);
887 /* Fire off connect requests */
888 time_before_connects = vlib_time_now (vm);
889 if ((error = echo_clients_connect (vm, n_clients)))
892 /* Park until the sessions come up, or ten seconds elapse... */
893 vlib_process_wait_for_event_or_clock (vm, syn_timeout);
894 event_type = vlib_process_get_events (vm, &event_data);
898 ec_cli_output ("Timeout with only %d sessions active...",
899 ecm->ready_connections);
900 error = clib_error_return (0, "failed: syn timeout with %d sessions",
901 ecm->ready_connections);
905 delta = vlib_time_now (vm) - time_before_connects;
907 ec_cli_output ("%d three-way handshakes in %.2f seconds %.2f/s",
908 n_clients, delta, ((f64) n_clients) / delta);
910 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
911 ec_cli_output ("Test started at %.6f", ecm->test_start_time);
915 ec_cli_output ("unexpected event(1): %d", event_type);
916 error = clib_error_return (0, "failed: unexpected event(1): %d",
921 /* Now wait for the sessions to finish... */
922 vlib_process_wait_for_event_or_clock (vm, test_timeout);
923 event_type = vlib_process_get_events (vm, &event_data);
927 ec_cli_output ("Timeout with %d sessions still active...",
928 ecm->ready_connections);
929 error = clib_error_return (0, "failed: timeout with %d sessions",
930 ecm->ready_connections);
934 ecm->test_end_time = vlib_time_now (vm);
935 ec_cli_output ("Test finished at %.6f", ecm->test_end_time);
939 ec_cli_output ("unexpected event(2): %d", event_type);
940 error = clib_error_return (0, "failed: unexpected event(2): %d",
945 delta = ecm->test_end_time - ecm->test_start_time;
948 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
949 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
950 ec_cli_output ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
951 total_bytes, total_bytes / (1ULL << 20),
952 total_bytes / (1ULL << 30), delta);
953 ec_cli_output ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
955 ec_cli_output ("%.4f gbit/second %s",
956 (((f64) total_bytes * 8.0) / delta / 1e9),
961 ec_cli_output ("zero delta-t?");
962 error = clib_error_return (0, "failed: zero delta-t");
966 if (ecm->test_bytes && ecm->test_failed)
967 error = clib_error_return (0, "failed: test bytes");
970 ecm->run_test = ECHO_CLIENTS_EXITING;
971 vlib_process_wait_for_event_or_clock (vm, 10e-3);
972 for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
974 vec_reset_length (ecm->connection_index_by_thread[i]);
975 vec_reset_length (ecm->connections_this_batch_by_thread[i]);
976 vec_reset_length (ecm->quic_session_index_by_thread[i]);
979 pool_free (ecm->sessions);
981 /* Detach the application, so we can use different fifo sizes next time */
982 if (ecm->test_client_attached)
984 if (echo_clients_detach ())
986 error = clib_error_return (0, "failed: app detach");
987 ec_cli_output ("WARNING: app detach failed...");
991 ec_cli_output ("test failed");
992 vec_free (ecm->connect_uri);
997 VLIB_CLI_COMMAND (echo_clients_command, static) =
999 .path = "test echo clients",
1000 .short_help = "test echo clients [nclients %d][[m|g]bytes <bytes>]"
1001 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
1002 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
1003 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
1004 "[uri <tcp://ip/port>][test-bytes][no-output]",
1005 .function = echo_clients_command_fn,
1011 echo_clients_main_init (vlib_main_t * vm)
1013 echo_client_main_t *ecm = &echo_client_main;
1018 VLIB_INIT_FUNCTION (echo_clients_main_init);
1021 * fd.io coding-style-patch-verification: ON
1024 * eval: (c-set-style "gnu")