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 (
69 &f->shr->master_session_index, s->thread_index, SESSION_IO_EVT_TX);
72 rv = app_send_stream (&s->data, test_data + test_buf_offset,
77 svm_fifo_t *f = s->data.tx_fifo;
78 u32 max_enqueue = svm_fifo_max_enqueue_prod (f);
80 if (max_enqueue < sizeof (session_dgram_hdr_t))
83 max_enqueue -= sizeof (session_dgram_hdr_t);
87 session_dgram_hdr_t hdr;
88 app_session_transport_t *at = &s->data.transport;
90 rv = clib_min (max_enqueue, bytes_this_chunk);
94 clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip,
95 sizeof (ip46_address_t));
96 hdr.is_ip4 = at->is_ip4;
97 hdr.rmt_port = at->rmt_port;
98 clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip,
99 sizeof (ip46_address_t));
100 hdr.lcl_port = at->lcl_port;
101 svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
102 svm_fifo_enqueue_nocopy (f, rv);
103 session_send_io_evt_to_thread_custom (
104 &f->shr->master_session_index, s->thread_index, SESSION_IO_EVT_TX);
108 bytes_this_chunk = clib_min (bytes_this_chunk, max_enqueue);
109 rv = app_send_dgram (&s->data, test_data + test_buf_offset,
110 bytes_this_chunk, 0);
114 /* If we managed to enqueue data... */
117 /* Account for it... */
118 s->bytes_to_send -= rv;
124 ELOG_TYPE_DECLARE (e) =
126 .format = "tx-enq: xfer %d bytes, sent %u remain %u",
127 .format_args = "i4i4i4",
134 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
136 ed->data[1] = s->bytes_sent;
137 ed->data[2] = s->bytes_to_send;
143 receive_data_chunk (echo_client_main_t * ecm, eclient_session_t * s)
145 svm_fifo_t *rx_fifo = s->data.rx_fifo;
146 u32 thread_index = vlib_get_thread_index ();
152 n_read = app_recv_stream (&s->data, ecm->rx_buf[thread_index],
153 vec_len (ecm->rx_buf[thread_index]));
155 n_read = app_recv_dgram (&s->data, ecm->rx_buf[thread_index],
156 vec_len (ecm->rx_buf[thread_index]));
160 n_read = svm_fifo_max_dequeue_cons (rx_fifo);
161 svm_fifo_dequeue_drop (rx_fifo, n_read);
169 ELOG_TYPE_DECLARE (e) =
171 .format = "rx-deq: %d bytes",
179 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
180 ed->data[0] = n_read;
185 for (i = 0; i < n_read; i++)
187 if (ecm->rx_buf[thread_index][i]
188 != ((s->bytes_received + i) & 0xff))
190 clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
191 n_read, s->bytes_received + i,
192 ecm->rx_buf[thread_index][i],
193 ((s->bytes_received + i) & 0xff));
194 ecm->test_failed = 1;
198 ASSERT (n_read <= s->bytes_to_receive);
199 s->bytes_to_receive -= n_read;
200 s->bytes_received += n_read;
205 echo_client_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
206 vlib_frame_t * frame)
208 echo_client_main_t *ecm = &echo_client_main;
209 int my_thread_index = vlib_get_thread_index ();
210 eclient_session_t *sp;
213 u32 *connection_indices;
214 u32 *connections_this_batch;
215 u32 nconnections_this_batch;
217 connection_indices = ecm->connection_index_by_thread[my_thread_index];
218 connections_this_batch =
219 ecm->connections_this_batch_by_thread[my_thread_index];
221 if ((ecm->run_test != ECHO_CLIENTS_RUNNING) ||
222 ((vec_len (connection_indices) == 0)
223 && vec_len (connections_this_batch) == 0))
226 /* Grab another pile of connections */
227 if (PREDICT_FALSE (vec_len (connections_this_batch) == 0))
229 nconnections_this_batch =
230 clib_min (ecm->connections_per_batch, vec_len (connection_indices));
232 ASSERT (nconnections_this_batch > 0);
233 vec_validate (connections_this_batch, nconnections_this_batch - 1);
234 clib_memcpy_fast (connections_this_batch,
235 connection_indices + vec_len (connection_indices)
236 - nconnections_this_batch,
237 nconnections_this_batch * sizeof (u32));
238 _vec_len (connection_indices) -= nconnections_this_batch;
241 if (PREDICT_FALSE (ecm->prev_conns != ecm->connections_per_batch
242 && ecm->prev_conns == vec_len (connections_this_batch)))
245 ecm->prev_conns = vec_len (connections_this_batch);
246 if (ecm->repeats == 500000)
248 clib_warning ("stuck clients");
253 ecm->prev_conns = vec_len (connections_this_batch);
257 for (i = 0; i < vec_len (connections_this_batch); i++)
261 sp = pool_elt_at_index (ecm->sessions, connections_this_batch[i]);
263 if (sp->bytes_to_send > 0)
265 send_data_chunk (ecm, sp);
268 if (sp->bytes_to_receive > 0)
272 if (PREDICT_FALSE (delete_session == 1))
276 clib_atomic_fetch_add (&ecm->tx_total, sp->bytes_sent);
277 clib_atomic_fetch_add (&ecm->rx_total, sp->bytes_received);
278 s = session_get_from_handle_if_valid (sp->vpp_session_handle);
282 vnet_disconnect_args_t _a, *a = &_a;
283 a->handle = session_handle (s);
284 a->app_index = ecm->app_index;
285 vnet_disconnect_session (a);
287 vec_delete (connections_this_batch, 1, i);
289 clib_atomic_fetch_add (&ecm->ready_connections, -1);
293 clib_warning ("session AWOL?");
294 vec_delete (connections_this_batch, 1, i);
297 /* Kick the debug CLI process */
298 if (ecm->ready_connections == 0)
300 signal_evt_to_cli (2);
305 ecm->connection_index_by_thread[my_thread_index] = connection_indices;
306 ecm->connections_this_batch_by_thread[my_thread_index] =
307 connections_this_batch;
312 VLIB_REGISTER_NODE (echo_clients_node) =
314 .function = echo_client_node_fn,
315 .name = "echo-clients",
316 .type = VLIB_NODE_TYPE_INPUT,
317 .state = VLIB_NODE_STATE_DISABLED,
322 echo_clients_init (vlib_main_t * vm)
324 echo_client_main_t *ecm = &echo_client_main;
325 vlib_thread_main_t *vtm = vlib_get_thread_main ();
329 num_threads = 1 /* main thread */ + vtm->n_threads;
331 /* Init test data. Big buffer */
332 vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
333 for (i = 0; i < vec_len (ecm->connect_test_data); i++)
334 ecm->connect_test_data[i] = i & 0xff;
336 vec_validate (ecm->rx_buf, num_threads - 1);
337 for (i = 0; i < num_threads; i++)
338 vec_validate (ecm->rx_buf[i], vec_len (ecm->connect_test_data) - 1);
342 vec_validate (ecm->connection_index_by_thread, vtm->n_vlib_mains);
343 vec_validate (ecm->connections_this_batch_by_thread, vtm->n_vlib_mains);
344 vec_validate (ecm->quic_session_index_by_thread, vtm->n_vlib_mains);
345 vec_validate (ecm->vpp_event_queue, vtm->n_vlib_mains);
351 quic_echo_clients_qsession_connected_callback (u32 app_index, u32 api_context,
355 echo_client_main_t *ecm = &echo_client_main;
356 vnet_connect_args_t *a = 0;
358 u8 thread_index = vlib_get_thread_index ();
359 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
361 session_handle_t handle;
363 DBG ("QUIC Connection handle %d", session_handle (s));
366 a->uri = (char *) ecm->connect_uri;
367 if (parse_uri (a->uri, &sep))
369 sep.parent_handle = handle = session_handle (s);
371 for (stream_n = 0; stream_n < ecm->quic_streams; stream_n++)
373 clib_memset (a, 0, sizeof (*a));
374 a->app_index = ecm->app_index;
375 a->api_context = -1 - api_context;
376 clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
378 DBG ("QUIC opening stream %d", stream_n);
379 if ((rv = vnet_connect (a)))
381 clib_error ("Stream session %d opening failed: %d", stream_n, rv);
384 DBG ("QUIC stream %d connected", stream_n);
387 * 's' is no longer valid, its underlying pool could have been moved in
390 vec_add1 (ecm->quic_session_index_by_thread[thread_index], handle);
396 quic_echo_clients_session_connected_callback (u32 app_index, u32 api_context,
400 echo_client_main_t *ecm = &echo_client_main;
401 eclient_session_t *session;
405 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
410 clib_warning ("connection %d failed!", api_context);
411 ecm->run_test = ECHO_CLIENTS_EXITING;
412 signal_evt_to_cli (-1);
416 if (s->listener_handle == SESSION_INVALID_HANDLE)
417 return quic_echo_clients_qsession_connected_callback (app_index,
420 DBG ("STREAM Connection callback %d", api_context);
422 thread_index = s->thread_index;
423 ASSERT (thread_index == vlib_get_thread_index ()
424 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
426 if (!ecm->vpp_event_queue[thread_index])
427 ecm->vpp_event_queue[thread_index] =
428 session_main_get_vpp_event_queue (thread_index);
433 clib_spinlock_lock_if_init (&ecm->sessions_lock);
434 pool_get (ecm->sessions, session);
435 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
437 clib_memset (session, 0, sizeof (*session));
438 session_index = session - ecm->sessions;
439 session->bytes_to_send = ecm->bytes_to_send;
440 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
441 session->data.rx_fifo = s->rx_fifo;
442 session->data.rx_fifo->shr->client_session_index = session_index;
443 session->data.tx_fifo = s->tx_fifo;
444 session->data.tx_fifo->shr->client_session_index = session_index;
445 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
446 session->vpp_session_handle = session_handle (s);
450 transport_connection_t *tc;
451 tc = session_get_transport (s);
452 clib_memcpy_fast (&session->data.transport, tc,
453 sizeof (session->data.transport));
454 session->data.is_dgram = 1;
457 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
458 clib_atomic_fetch_add (&ecm->ready_connections, 1);
459 if (ecm->ready_connections == ecm->expected_connections)
461 ecm->run_test = ECHO_CLIENTS_RUNNING;
462 /* Signal the CLI process that the action is starting... */
463 signal_evt_to_cli (1);
470 echo_clients_session_connected_callback (u32 app_index, u32 api_context,
471 session_t * s, session_error_t err)
473 echo_client_main_t *ecm = &echo_client_main;
474 eclient_session_t *session;
478 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
483 clib_warning ("connection %d failed!", api_context);
484 ecm->run_test = ECHO_CLIENTS_EXITING;
485 signal_evt_to_cli (-1);
489 thread_index = s->thread_index;
490 ASSERT (thread_index == vlib_get_thread_index ()
491 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
493 if (!ecm->vpp_event_queue[thread_index])
494 ecm->vpp_event_queue[thread_index] =
495 session_main_get_vpp_event_queue (thread_index);
500 clib_spinlock_lock_if_init (&ecm->sessions_lock);
501 pool_get (ecm->sessions, session);
502 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
504 clib_memset (session, 0, sizeof (*session));
505 session_index = session - ecm->sessions;
506 session->bytes_to_send = ecm->bytes_to_send;
507 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
508 session->data.rx_fifo = s->rx_fifo;
509 session->data.rx_fifo->shr->client_session_index = session_index;
510 session->data.tx_fifo = s->tx_fifo;
511 session->data.tx_fifo->shr->client_session_index = session_index;
512 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
513 session->vpp_session_handle = session_handle (s);
517 transport_connection_t *tc;
518 tc = session_get_transport (s);
519 clib_memcpy_fast (&session->data.transport, tc,
520 sizeof (session->data.transport));
521 session->data.is_dgram = 1;
524 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
525 clib_atomic_fetch_add (&ecm->ready_connections, 1);
526 if (ecm->ready_connections == ecm->expected_connections)
528 ecm->run_test = ECHO_CLIENTS_RUNNING;
529 /* Signal the CLI process that the action is starting... */
530 signal_evt_to_cli (1);
537 echo_clients_session_reset_callback (session_t * s)
539 echo_client_main_t *ecm = &echo_client_main;
540 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
542 if (s->session_state == SESSION_STATE_READY)
543 clib_warning ("Reset active connection %U", format_session, s, 2);
545 a->handle = session_handle (s);
546 a->app_index = ecm->app_index;
547 vnet_disconnect_session (a);
552 echo_clients_session_create_callback (session_t * s)
558 echo_clients_session_disconnect_callback (session_t * s)
560 echo_client_main_t *ecm = &echo_client_main;
561 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
562 a->handle = session_handle (s);
563 a->app_index = ecm->app_index;
564 vnet_disconnect_session (a);
569 echo_clients_session_disconnect (session_t * s)
571 echo_client_main_t *ecm = &echo_client_main;
572 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
573 a->handle = session_handle (s);
574 a->app_index = ecm->app_index;
575 vnet_disconnect_session (a);
579 echo_clients_rx_callback (session_t * s)
581 echo_client_main_t *ecm = &echo_client_main;
582 eclient_session_t *sp;
584 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
586 echo_clients_session_disconnect (s);
591 pool_elt_at_index (ecm->sessions, s->rx_fifo->shr->client_session_index);
592 receive_data_chunk (ecm, sp);
594 if (svm_fifo_max_dequeue_cons (s->rx_fifo))
596 if (svm_fifo_set_event (s->rx_fifo))
597 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
603 echo_client_add_segment_callback (u32 client_index, u64 segment_handle)
605 /* New heaps may be added */
610 static session_cb_vft_t echo_clients = {
611 .session_reset_callback = echo_clients_session_reset_callback,
612 .session_connected_callback = echo_clients_session_connected_callback,
613 .session_accept_callback = echo_clients_session_create_callback,
614 .session_disconnect_callback = echo_clients_session_disconnect_callback,
615 .builtin_app_rx_callback = echo_clients_rx_callback,
616 .add_segment_callback = echo_client_add_segment_callback
620 static clib_error_t *
621 echo_clients_attach (u8 * appns_id, u64 appns_flags, u64 appns_secret)
623 vnet_app_add_cert_key_pair_args_t _ck_pair, *ck_pair = &_ck_pair;
624 u32 prealloc_fifos, segment_size = 256 << 20;
625 echo_client_main_t *ecm = &echo_client_main;
626 vnet_app_attach_args_t _a, *a = &_a;
630 clib_memset (a, 0, sizeof (*a));
631 clib_memset (options, 0, sizeof (options));
633 a->api_client_index = ~0;
634 a->name = format (0, "echo_client");
635 if (ecm->transport_proto == TRANSPORT_PROTO_QUIC)
636 echo_clients.session_connected_callback =
637 quic_echo_clients_session_connected_callback;
638 a->session_cb_vft = &echo_clients;
640 prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
642 if (ecm->private_segment_size)
643 segment_size = ecm->private_segment_size;
645 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
646 options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
647 options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
648 options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
649 options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
650 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
651 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
652 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
653 options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
654 options[APP_OPTIONS_PCT_FIRST_ALLOC] = 100;
657 options[APP_OPTIONS_FLAGS] |= appns_flags;
658 options[APP_OPTIONS_NAMESPACE_SECRET] = appns_secret;
660 a->options = options;
661 a->namespace_id = appns_id;
663 if ((rv = vnet_application_attach (a)))
664 return clib_error_return (0, "attach returned %d", rv);
666 ecm->app_index = a->app_index;
669 clib_memset (ck_pair, 0, sizeof (*ck_pair));
670 ck_pair->cert = (u8 *) test_srv_crt_rsa;
671 ck_pair->key = (u8 *) test_srv_key_rsa;
672 ck_pair->cert_len = test_srv_crt_rsa_len;
673 ck_pair->key_len = test_srv_key_rsa_len;
674 vnet_app_add_cert_key_pair (ck_pair);
675 ecm->ckpair_index = ck_pair->index;
681 echo_clients_detach ()
683 echo_client_main_t *ecm = &echo_client_main;
684 vnet_app_detach_args_t _da, *da = &_da;
687 da->app_index = ecm->app_index;
688 da->api_client_index = ~0;
689 rv = vnet_application_detach (da);
690 ecm->test_client_attached = 0;
692 vnet_app_del_cert_key_pair (ecm->ckpair_index);
698 echo_client_thread_fn (void *arg)
703 /** Start a transmit thread */
705 echo_clients_start_tx_pthread (echo_client_main_t * ecm)
707 if (ecm->client_thread_handle == 0)
709 int rv = pthread_create (&ecm->client_thread_handle,
711 echo_client_thread_fn, 0);
714 ecm->client_thread_handle = 0;
722 echo_client_transport_needs_crypto (transport_proto_t proto)
724 return proto == TRANSPORT_PROTO_TLS || proto == TRANSPORT_PROTO_DTLS ||
725 proto == TRANSPORT_PROTO_QUIC;
729 echo_clients_connect (vlib_main_t * vm, u32 n_clients)
731 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
732 echo_client_main_t *ecm = &echo_client_main;
733 vnet_connect_args_t _a, *a = &_a;
736 clib_memset (a, 0, sizeof (*a));
738 if (parse_uri ((char *) ecm->connect_uri, &sep))
739 return clib_error_return (0, "invalid uri");
741 for (i = 0; i < n_clients; i++)
743 clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
745 a->app_index = ecm->app_index;
746 if (echo_client_transport_needs_crypto (a->sep_ext.transport_proto))
748 session_endpoint_alloc_ext_cfg (&a->sep_ext,
749 TRANSPORT_ENDPT_EXT_CFG_CRYPTO);
750 a->sep_ext.ext_cfg->crypto.ckpair_index = ecm->ckpair_index;
753 vlib_worker_thread_barrier_sync (vm);
754 rv = vnet_connect (a);
755 if (a->sep_ext.ext_cfg)
756 clib_mem_free (a->sep_ext.ext_cfg);
759 vlib_worker_thread_barrier_release (vm);
760 return clib_error_return (0, "connect returned: %d", rv);
762 vlib_worker_thread_barrier_release (vm);
764 /* Crude pacing for call setups */
766 vlib_process_suspend (vm, 100e-6);
767 ASSERT (i + 1 >= ecm->ready_connections);
768 while (i + 1 - ecm->ready_connections > 128)
769 vlib_process_suspend (vm, 1e-3);
774 #define ec_cli_output(_fmt, _args...) \
775 if (!ecm->no_output) \
776 vlib_cli_output(vm, _fmt, ##_args)
778 static clib_error_t *
779 echo_clients_command_fn (vlib_main_t * vm,
780 unformat_input_t * input, vlib_cli_command_t * cmd)
782 echo_client_main_t *ecm = &echo_client_main;
783 vlib_thread_main_t *thread_main = vlib_get_thread_main ();
784 u64 tmp, total_bytes, appns_flags = 0, appns_secret = 0;
785 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
786 f64 test_timeout = 20.0, syn_timeout = 20.0, delta;
787 char *default_uri = "tcp://6.0.1.1/1234";
788 u8 *appns_id = 0, barrier_acq_needed = 0;
789 int preallocate_sessions = 0, i, rv;
790 uword *event_data = 0, event_type;
791 f64 time_before_connects;
794 clib_error_t *error = 0;
796 ecm->quic_streams = 1;
797 ecm->bytes_to_send = 8192;
799 ecm->fifo_size = 64 << 10;
800 ecm->connections_per_batch = 1000;
801 ecm->private_segment_count = 0;
802 ecm->private_segment_size = 0;
805 ecm->test_failed = 0;
807 ecm->tls_engine = CRYPTO_ENGINE_OPENSSL;
809 ecm->run_test = ECHO_CLIENTS_STARTING;
811 if (vlib_num_workers ())
813 /* The request came over the binary api and the inband cli handler
814 * is not mp_safe. Drop the barrier to make sure the workers are not
817 if (vlib_thread_is_main_w_barrier ())
819 barrier_acq_needed = 1;
820 vlib_worker_thread_barrier_release (vm);
823 * There's a good chance that both the client and the server echo
824 * apps will be enabled so make sure the session queue node polls on
825 * the main thread as connections will probably be established on it.
827 vlib_node_set_state (vm, session_queue_node.index,
828 VLIB_NODE_STATE_POLLING);
831 if (thread_main->n_vlib_mains > 1)
832 clib_spinlock_init (&ecm->sessions_lock);
833 vec_free (ecm->connect_uri);
835 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
837 if (unformat (input, "uri %s", &ecm->connect_uri))
839 else if (unformat (input, "nclients %d", &n_clients))
841 else if (unformat (input, "quic-streams %d", &ecm->quic_streams))
843 else if (unformat (input, "mbytes %lld", &tmp))
844 ecm->bytes_to_send = tmp << 20;
845 else if (unformat (input, "gbytes %lld", &tmp))
846 ecm->bytes_to_send = tmp << 30;
847 else if (unformat (input, "bytes %lld", &ecm->bytes_to_send))
849 else if (unformat (input, "test-timeout %f", &test_timeout))
851 else if (unformat (input, "syn-timeout %f", &syn_timeout))
853 else if (unformat (input, "no-return"))
855 else if (unformat (input, "fifo-size %d", &ecm->fifo_size))
856 ecm->fifo_size <<= 10;
857 else if (unformat (input, "private-segment-count %d",
858 &ecm->private_segment_count))
860 else if (unformat (input, "private-segment-size %U",
861 unformat_memory_size, &tmp))
863 if (tmp >= 0x100000000ULL)
865 error = clib_error_return (
866 0, "private segment size %lld (%llu) too large", tmp, tmp);
869 ecm->private_segment_size = tmp;
871 else if (unformat (input, "preallocate-fifos"))
872 ecm->prealloc_fifos = 1;
873 else if (unformat (input, "preallocate-sessions"))
874 preallocate_sessions = 1;
876 if (unformat (input, "client-batch %d", &ecm->connections_per_batch))
878 else if (unformat (input, "appns %_%v%_", &appns_id))
880 else if (unformat (input, "all-scope"))
881 appns_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE
882 | APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
883 else if (unformat (input, "local-scope"))
884 appns_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
885 else if (unformat (input, "global-scope"))
886 appns_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
887 else if (unformat (input, "secret %lu", &appns_secret))
889 else if (unformat (input, "no-output"))
891 else if (unformat (input, "test-bytes"))
893 else if (unformat (input, "tls-engine %d", &ecm->tls_engine))
897 error = clib_error_return (0, "failed: unknown input `%U'",
898 format_unformat_error, input);
903 /* Store cli process node index for signalling */
904 ecm->cli_node_index =
905 vlib_get_current_process (vm)->node_runtime.node_index;
907 if (ecm->is_init == 0)
909 if (echo_clients_init (vm))
911 error = clib_error_return (0, "failed init");
917 ecm->ready_connections = 0;
918 ecm->expected_connections = n_clients * ecm->quic_streams;
922 if (!ecm->connect_uri)
924 clib_warning ("No uri provided. Using default: %s", default_uri);
925 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
928 if ((rv = parse_uri ((char *) ecm->connect_uri, &sep)))
930 error = clib_error_return (0, "Uri parse error: %d", rv);
933 ecm->transport_proto = sep.transport_proto;
934 ecm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP);
936 #if ECHO_CLIENT_PTHREAD
937 echo_clients_start_tx_pthread ();
940 vlib_worker_thread_barrier_sync (vm);
941 vnet_session_enable_disable (vm, 1 /* turn on session and transports */ );
942 vlib_worker_thread_barrier_release (vm);
944 if (ecm->test_client_attached == 0)
946 if ((error = echo_clients_attach (appns_id, appns_flags, appns_secret)))
949 clib_error_report (error);
954 ecm->test_client_attached = 1;
956 /* Turn on the builtin client input nodes */
957 for (i = 0; i < thread_main->n_vlib_mains; i++)
958 vlib_node_set_state (vlib_get_main_by_index (i), echo_clients_node.index,
959 VLIB_NODE_STATE_POLLING);
961 if (preallocate_sessions)
962 pool_init_fixed (ecm->sessions, 1.1 * n_clients);
964 /* Fire off connect requests */
965 time_before_connects = vlib_time_now (vm);
966 if ((error = echo_clients_connect (vm, n_clients)))
971 /* Park until the sessions come up, or ten seconds elapse... */
972 vlib_process_wait_for_event_or_clock (vm, syn_timeout);
973 event_type = vlib_process_get_events (vm, &event_data);
977 ec_cli_output ("Timeout with only %d sessions active...",
978 ecm->ready_connections);
979 error = clib_error_return (0, "failed: syn timeout with %d sessions",
980 ecm->ready_connections);
984 delta = vlib_time_now (vm) - time_before_connects;
986 ec_cli_output ("%d three-way handshakes in %.2f seconds %.2f/s",
987 n_clients, delta, ((f64) n_clients) / delta);
989 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
990 ec_cli_output ("Test started at %.6f", ecm->test_start_time);
994 ec_cli_output ("unexpected event(1): %d", event_type);
995 error = clib_error_return (0, "failed: unexpected event(1): %d",
1000 /* Now wait for the sessions to finish... */
1001 vlib_process_wait_for_event_or_clock (vm, test_timeout);
1002 event_type = vlib_process_get_events (vm, &event_data);
1006 ec_cli_output ("Timeout with %d sessions still active...",
1007 ecm->ready_connections);
1008 error = clib_error_return (0, "failed: timeout with %d sessions",
1009 ecm->ready_connections);
1013 ecm->test_end_time = vlib_time_now (vm);
1014 ec_cli_output ("Test finished at %.6f", ecm->test_end_time);
1018 ec_cli_output ("unexpected event(2): %d", event_type);
1019 error = clib_error_return (0, "failed: unexpected event(2): %d",
1024 delta = ecm->test_end_time - ecm->test_start_time;
1027 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
1028 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
1029 ec_cli_output ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds",
1030 total_bytes, total_bytes / (1ULL << 20),
1031 total_bytes / (1ULL << 30), delta);
1032 ec_cli_output ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
1034 ec_cli_output ("%.4f gbit/second %s",
1035 (((f64) total_bytes * 8.0) / delta / 1e9),
1040 ec_cli_output ("zero delta-t?");
1041 error = clib_error_return (0, "failed: zero delta-t");
1045 if (ecm->test_bytes && ecm->test_failed)
1046 error = clib_error_return (0, "failed: test bytes");
1049 ecm->run_test = ECHO_CLIENTS_EXITING;
1050 vlib_process_wait_for_event_or_clock (vm, 10e-3);
1051 for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
1053 vec_reset_length (ecm->connection_index_by_thread[i]);
1054 vec_reset_length (ecm->connections_this_batch_by_thread[i]);
1055 vec_reset_length (ecm->quic_session_index_by_thread[i]);
1058 pool_free (ecm->sessions);
1060 /* Detach the application, so we can use different fifo sizes next time */
1061 if (ecm->test_client_attached)
1063 if (echo_clients_detach ())
1065 error = clib_error_return (0, "failed: app detach");
1066 ec_cli_output ("WARNING: app detach failed...");
1070 ec_cli_output ("test failed");
1071 vec_free (ecm->connect_uri);
1072 clib_spinlock_free (&ecm->sessions_lock);
1074 if (barrier_acq_needed)
1075 vlib_worker_thread_barrier_sync (vm);
1081 VLIB_CLI_COMMAND (echo_clients_command, static) =
1083 .path = "test echo clients",
1084 .short_help = "test echo clients [nclients %d][[m|g]bytes <bytes>]"
1085 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
1086 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
1087 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
1088 "[uri <tcp://ip/port>][test-bytes][no-output]",
1089 .function = echo_clients_command_fn,
1095 echo_clients_main_init (vlib_main_t * vm)
1097 echo_client_main_t *ecm = &echo_client_main;
1102 VLIB_INIT_FUNCTION (echo_clients_main_init);
1105 * fd.io coding-style-patch-verification: ON
1108 * eval: (c-set-style "gnu")