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;
311 VLIB_REGISTER_NODE (echo_clients_node) =
313 .function = echo_client_node_fn,
314 .name = "echo-clients",
315 .type = VLIB_NODE_TYPE_INPUT,
316 .state = VLIB_NODE_STATE_DISABLED,
320 ec_reset_runtime_config (echo_client_main_t *ecm)
323 ecm->quic_streams = 1;
324 ecm->bytes_to_send = 8192;
326 ecm->fifo_size = 64 << 10;
327 ecm->connections_per_batch = 1000;
328 ecm->private_segment_count = 0;
329 ecm->private_segment_size = 256 << 20;
332 ecm->test_failed = 0;
333 ecm->tls_engine = CRYPTO_ENGINE_OPENSSL;
335 ecm->run_test = ECHO_CLIENTS_STARTING;
336 ecm->ready_connections = 0;
339 ecm->barrier_acq_needed = 0;
340 ecm->prealloc_sessions = 0;
341 ecm->prealloc_fifos = 0;
343 ecm->appns_secret = 0;
344 ecm->attach_flags = 0;
345 ecm->syn_timeout = 20.0;
346 ecm->test_timeout = 20.0;
347 vec_free (ecm->connect_uri);
351 echo_clients_init (vlib_main_t * vm)
353 echo_client_main_t *ecm = &echo_client_main;
354 vlib_thread_main_t *vtm = vlib_get_thread_main ();
358 ec_reset_runtime_config (ecm);
360 /* Store cli process node index for signaling */
361 ecm->cli_node_index = vlib_get_current_process (vm)->node_runtime.node_index;
364 if (vlib_num_workers ())
366 /* The request came over the binary api and the inband cli handler
367 * is not mp_safe. Drop the barrier to make sure the workers are not
370 if (vlib_thread_is_main_w_barrier ())
372 ecm->barrier_acq_needed = 1;
373 vlib_worker_thread_barrier_release (vm);
376 * There's a good chance that both the client and the server echo
377 * apps will be enabled so make sure the session queue node polls on
378 * the main thread as connections will probably be established on it.
380 vlib_node_set_state (vm, session_queue_node.index,
381 VLIB_NODE_STATE_POLLING);
383 clib_spinlock_init (&ecm->sessions_lock);
386 /* App init done only once */
387 if (ecm->app_is_init)
390 num_threads = 1 /* main thread */ + vtm->n_threads;
392 /* Init test data. Big buffer */
393 vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
394 for (i = 0; i < vec_len (ecm->connect_test_data); i++)
395 ecm->connect_test_data[i] = i & 0xff;
397 vec_validate (ecm->rx_buf, num_threads - 1);
398 for (i = 0; i < num_threads; i++)
399 vec_validate (ecm->rx_buf[i], vec_len (ecm->connect_test_data) - 1);
401 ecm->app_is_init = 1;
403 vec_validate (ecm->connection_index_by_thread, vtm->n_vlib_mains);
404 vec_validate (ecm->connections_this_batch_by_thread, vtm->n_vlib_mains);
405 vec_validate (ecm->quic_session_index_by_thread, vtm->n_vlib_mains);
406 vec_validate (ecm->vpp_event_queue, vtm->n_vlib_mains);
408 vlib_worker_thread_barrier_sync (vm);
409 vnet_session_enable_disable (vm, 1 /* turn on session and transports */);
410 vlib_worker_thread_barrier_release (vm);
412 /* Turn on the builtin client input nodes */
413 for (i = 0; i < vtm->n_vlib_mains; i++)
414 vlib_node_set_state (vlib_get_main_by_index (i), echo_clients_node.index,
415 VLIB_NODE_STATE_POLLING);
421 echo_clients_cleanup (echo_client_main_t *ecm)
425 for (i = 0; i < vec_len (ecm->connection_index_by_thread); i++)
427 vec_reset_length (ecm->connection_index_by_thread[i]);
428 vec_reset_length (ecm->connections_this_batch_by_thread[i]);
429 vec_reset_length (ecm->quic_session_index_by_thread[i]);
432 pool_free (ecm->sessions);
433 vec_free (ecm->connect_uri);
434 vec_free (ecm->appns_id);
435 clib_spinlock_free (&ecm->sessions_lock);
437 if (ecm->barrier_acq_needed)
438 vlib_worker_thread_barrier_sync (ecm->vlib_main);
442 quic_echo_clients_qsession_connected_callback (u32 app_index, u32 api_context,
446 echo_client_main_t *ecm = &echo_client_main;
447 vnet_connect_args_t *a = 0;
449 u8 thread_index = vlib_get_thread_index ();
450 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
452 session_handle_t handle;
454 DBG ("QUIC Connection handle %d", session_handle (s));
457 a->uri = (char *) ecm->connect_uri;
458 if (parse_uri (a->uri, &sep))
460 sep.parent_handle = handle = session_handle (s);
462 for (stream_n = 0; stream_n < ecm->quic_streams; stream_n++)
464 clib_memset (a, 0, sizeof (*a));
465 a->app_index = ecm->app_index;
466 a->api_context = -1 - api_context;
467 clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
469 DBG ("QUIC opening stream %d", stream_n);
470 if ((rv = vnet_connect (a)))
472 clib_error ("Stream session %d opening failed: %d", stream_n, rv);
475 DBG ("QUIC stream %d connected", stream_n);
478 * 's' is no longer valid, its underlying pool could have been moved in
481 vec_add1 (ecm->quic_session_index_by_thread[thread_index], handle);
487 quic_echo_clients_session_connected_callback (u32 app_index, u32 api_context,
491 echo_client_main_t *ecm = &echo_client_main;
492 eclient_session_t *session;
496 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
501 clib_warning ("connection %d failed!", api_context);
502 ecm->run_test = ECHO_CLIENTS_EXITING;
503 signal_evt_to_cli (-1);
507 if (s->listener_handle == SESSION_INVALID_HANDLE)
508 return quic_echo_clients_qsession_connected_callback (app_index,
511 DBG ("STREAM Connection callback %d", api_context);
513 thread_index = s->thread_index;
514 ASSERT (thread_index == vlib_get_thread_index ()
515 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
517 if (!ecm->vpp_event_queue[thread_index])
518 ecm->vpp_event_queue[thread_index] =
519 session_main_get_vpp_event_queue (thread_index);
524 clib_spinlock_lock_if_init (&ecm->sessions_lock);
525 pool_get (ecm->sessions, session);
526 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
528 clib_memset (session, 0, sizeof (*session));
529 session_index = session - ecm->sessions;
530 session->bytes_to_send = ecm->bytes_to_send;
531 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
532 session->data.rx_fifo = s->rx_fifo;
533 session->data.rx_fifo->shr->client_session_index = session_index;
534 session->data.tx_fifo = s->tx_fifo;
535 session->data.tx_fifo->shr->client_session_index = session_index;
536 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
537 session->vpp_session_handle = session_handle (s);
541 transport_connection_t *tc;
542 tc = session_get_transport (s);
543 clib_memcpy_fast (&session->data.transport, tc,
544 sizeof (session->data.transport));
545 session->data.is_dgram = 1;
548 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
549 clib_atomic_fetch_add (&ecm->ready_connections, 1);
550 if (ecm->ready_connections == ecm->expected_connections)
552 ecm->run_test = ECHO_CLIENTS_RUNNING;
553 /* Signal the CLI process that the action is starting... */
554 signal_evt_to_cli (1);
561 echo_clients_session_connected_callback (u32 app_index, u32 api_context,
562 session_t * s, session_error_t err)
564 echo_client_main_t *ecm = &echo_client_main;
565 eclient_session_t *session;
569 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_STARTING))
574 clib_warning ("connection %d failed!", api_context);
575 ecm->run_test = ECHO_CLIENTS_EXITING;
576 signal_evt_to_cli (-1);
580 thread_index = s->thread_index;
581 ASSERT (thread_index == vlib_get_thread_index ()
582 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
584 if (!ecm->vpp_event_queue[thread_index])
585 ecm->vpp_event_queue[thread_index] =
586 session_main_get_vpp_event_queue (thread_index);
591 clib_spinlock_lock_if_init (&ecm->sessions_lock);
592 pool_get (ecm->sessions, session);
593 clib_spinlock_unlock_if_init (&ecm->sessions_lock);
595 clib_memset (session, 0, sizeof (*session));
596 session_index = session - ecm->sessions;
597 session->bytes_to_send = ecm->bytes_to_send;
598 session->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
599 session->data.rx_fifo = s->rx_fifo;
600 session->data.rx_fifo->shr->client_session_index = session_index;
601 session->data.tx_fifo = s->tx_fifo;
602 session->data.tx_fifo->shr->client_session_index = session_index;
603 session->data.vpp_evt_q = ecm->vpp_event_queue[thread_index];
604 session->vpp_session_handle = session_handle (s);
608 transport_connection_t *tc;
609 tc = session_get_transport (s);
610 clib_memcpy_fast (&session->data.transport, tc,
611 sizeof (session->data.transport));
612 session->data.is_dgram = 1;
615 vec_add1 (ecm->connection_index_by_thread[thread_index], session_index);
616 clib_atomic_fetch_add (&ecm->ready_connections, 1);
617 if (ecm->ready_connections == ecm->expected_connections)
619 ecm->run_test = ECHO_CLIENTS_RUNNING;
620 /* Signal the CLI process that the action is starting... */
621 signal_evt_to_cli (1);
628 echo_clients_session_reset_callback (session_t * s)
630 echo_client_main_t *ecm = &echo_client_main;
631 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
633 if (s->session_state == SESSION_STATE_READY)
634 clib_warning ("Reset active connection %U", format_session, s, 2);
636 a->handle = session_handle (s);
637 a->app_index = ecm->app_index;
638 vnet_disconnect_session (a);
643 echo_clients_session_create_callback (session_t * s)
649 echo_clients_session_disconnect_callback (session_t * s)
651 echo_client_main_t *ecm = &echo_client_main;
652 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
653 a->handle = session_handle (s);
654 a->app_index = ecm->app_index;
655 vnet_disconnect_session (a);
660 echo_clients_session_disconnect (session_t * s)
662 echo_client_main_t *ecm = &echo_client_main;
663 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
664 a->handle = session_handle (s);
665 a->app_index = ecm->app_index;
666 vnet_disconnect_session (a);
670 echo_clients_rx_callback (session_t * s)
672 echo_client_main_t *ecm = &echo_client_main;
673 eclient_session_t *sp;
675 if (PREDICT_FALSE (ecm->run_test != ECHO_CLIENTS_RUNNING))
677 echo_clients_session_disconnect (s);
682 pool_elt_at_index (ecm->sessions, s->rx_fifo->shr->client_session_index);
683 receive_data_chunk (ecm, sp);
685 if (svm_fifo_max_dequeue_cons (s->rx_fifo))
687 if (svm_fifo_set_event (s->rx_fifo))
688 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
694 echo_client_add_segment_callback (u32 client_index, u64 segment_handle)
696 /* New heaps may be added */
700 static session_cb_vft_t echo_clients = {
701 .session_reset_callback = echo_clients_session_reset_callback,
702 .session_connected_callback = echo_clients_session_connected_callback,
703 .session_accept_callback = echo_clients_session_create_callback,
704 .session_disconnect_callback = echo_clients_session_disconnect_callback,
705 .builtin_app_rx_callback = echo_clients_rx_callback,
706 .add_segment_callback = echo_client_add_segment_callback
709 static clib_error_t *
710 echo_clients_attach ()
712 vnet_app_add_cert_key_pair_args_t _ck_pair, *ck_pair = &_ck_pair;
713 echo_client_main_t *ecm = &echo_client_main;
714 vnet_app_attach_args_t _a, *a = &_a;
719 clib_memset (a, 0, sizeof (*a));
720 clib_memset (options, 0, sizeof (options));
722 a->api_client_index = ~0;
723 a->name = format (0, "echo_client");
724 if (ecm->transport_proto == TRANSPORT_PROTO_QUIC)
725 echo_clients.session_connected_callback =
726 quic_echo_clients_session_connected_callback;
727 a->session_cb_vft = &echo_clients;
729 prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
731 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
732 options[APP_OPTIONS_SEGMENT_SIZE] = ecm->private_segment_size;
733 options[APP_OPTIONS_ADD_SEGMENT_SIZE] = ecm->private_segment_size;
734 options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
735 options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
736 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
737 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
738 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
739 options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
740 options[APP_OPTIONS_PCT_FIRST_ALLOC] = 100;
741 options[APP_OPTIONS_FLAGS] |= ecm->attach_flags;
744 options[APP_OPTIONS_NAMESPACE_SECRET] = ecm->appns_secret;
745 a->namespace_id = ecm->appns_id;
747 a->options = options;
749 if ((rv = vnet_application_attach (a)))
750 return clib_error_return (0, "attach returned %d", rv);
752 ecm->app_index = a->app_index;
755 clib_memset (ck_pair, 0, sizeof (*ck_pair));
756 ck_pair->cert = (u8 *) test_srv_crt_rsa;
757 ck_pair->key = (u8 *) test_srv_key_rsa;
758 ck_pair->cert_len = test_srv_crt_rsa_len;
759 ck_pair->key_len = test_srv_key_rsa_len;
760 vnet_app_add_cert_key_pair (ck_pair);
761 ecm->ckpair_index = ck_pair->index;
763 ecm->test_client_attached = 1;
769 echo_clients_detach ()
771 echo_client_main_t *ecm = &echo_client_main;
772 vnet_app_detach_args_t _da, *da = &_da;
775 if (!ecm->test_client_attached)
778 da->app_index = ecm->app_index;
779 da->api_client_index = ~0;
780 rv = vnet_application_detach (da);
781 ecm->test_client_attached = 0;
783 vnet_app_del_cert_key_pair (ecm->ckpair_index);
789 echo_client_thread_fn (void *arg)
794 /** Start a transmit thread */
796 echo_clients_start_tx_pthread (echo_client_main_t * ecm)
798 if (ecm->client_thread_handle == 0)
800 int rv = pthread_create (&ecm->client_thread_handle,
802 echo_client_thread_fn, 0);
805 ecm->client_thread_handle = 0;
813 ec_transport_needs_crypto (transport_proto_t proto)
815 return proto == TRANSPORT_PROTO_TLS || proto == TRANSPORT_PROTO_DTLS ||
816 proto == TRANSPORT_PROTO_QUIC;
820 echo_clients_connect (vlib_main_t *vm)
822 echo_client_main_t *ecm = &echo_client_main;
823 vnet_connect_args_t _a = {}, *a = &_a;
824 int i, rv, needs_crypto;
827 n_clients = ecm->n_clients;
828 needs_crypto = ec_transport_needs_crypto (ecm->transport_proto);
829 clib_memcpy (&a->sep_ext, &ecm->connect_sep, sizeof (ecm->connect_sep));
830 a->app_index = ecm->app_index;
832 for (i = 0; i < n_clients; i++)
837 session_endpoint_alloc_ext_cfg (&a->sep_ext,
838 TRANSPORT_ENDPT_EXT_CFG_CRYPTO);
839 a->sep_ext.ext_cfg->crypto.ckpair_index = ecm->ckpair_index;
842 vlib_worker_thread_barrier_sync (vm);
844 rv = vnet_connect (a);
847 clib_mem_free (a->sep_ext.ext_cfg);
851 vlib_worker_thread_barrier_release (vm);
852 return clib_error_return (0, "connect returned: %d", rv);
855 vlib_worker_thread_barrier_release (vm);
857 /* Crude pacing for call setups */
859 vlib_process_suspend (vm, 100e-6);
860 ASSERT (i + 1 >= ecm->ready_connections);
861 while (i + 1 - ecm->ready_connections > 128)
862 vlib_process_suspend (vm, 1e-3);
867 #define ec_cli(_fmt, _args...) \
868 if (!ecm->no_output) \
869 vlib_cli_output (vm, _fmt, ##_args)
871 static clib_error_t *
872 echo_clients_command_fn (vlib_main_t *vm, unformat_input_t *input,
873 vlib_cli_command_t *cmd)
875 unformat_input_t _line_input, *line_input = &_line_input;
876 echo_client_main_t *ecm = &echo_client_main;
877 u64 tmp, total_bytes;
879 char *default_uri = "tcp://6.0.1.1/1234";
880 uword *event_data = 0, event_type;
882 clib_error_t *error = 0;
883 int rv, had_config = 1;
885 if (ecm->test_client_attached)
886 return clib_error_return (0, "failed: already running!");
888 if (echo_clients_init (vm))
890 error = clib_error_return (0, "failed init");
894 if (!unformat_user (input, unformat_line_input, line_input))
900 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
902 if (unformat (line_input, "uri %s", &ecm->connect_uri))
904 else if (unformat (line_input, "nclients %d", &ecm->n_clients))
906 else if (unformat (line_input, "quic-streams %d", &ecm->quic_streams))
908 else if (unformat (line_input, "mbytes %lld", &tmp))
909 ecm->bytes_to_send = tmp << 20;
910 else if (unformat (line_input, "gbytes %lld", &tmp))
911 ecm->bytes_to_send = tmp << 30;
912 else if (unformat (line_input, "bytes %U", unformat_memory_size,
913 &ecm->bytes_to_send))
915 else if (unformat (line_input, "test-timeout %f", &ecm->test_timeout))
917 else if (unformat (line_input, "syn-timeout %f", &ecm->syn_timeout))
919 else if (unformat (line_input, "no-return"))
921 else if (unformat (line_input, "fifo-size %d", &ecm->fifo_size))
922 ecm->fifo_size <<= 10;
923 else if (unformat (line_input, "private-segment-count %d",
924 &ecm->private_segment_count))
926 else if (unformat (line_input, "private-segment-size %U",
927 unformat_memory_size, &ecm->private_segment_size))
929 else if (unformat (line_input, "preallocate-fifos"))
930 ecm->prealloc_fifos = 1;
931 else if (unformat (line_input, "preallocate-sessions"))
932 ecm->prealloc_sessions = 1;
933 else if (unformat (line_input, "client-batch %d",
934 &ecm->connections_per_batch))
936 else if (unformat (line_input, "appns %_%v%_", &ecm->appns_id))
938 else if (unformat (line_input, "all-scope"))
939 ecm->attach_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE |
940 APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
941 else if (unformat (line_input, "local-scope"))
942 ecm->attach_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
943 else if (unformat (line_input, "global-scope"))
944 ecm->attach_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
945 else if (unformat (line_input, "secret %lu", &ecm->appns_secret))
947 else if (unformat (line_input, "no-output"))
949 else if (unformat (line_input, "test-bytes"))
951 else if (unformat (line_input, "tls-engine %d", &ecm->tls_engine))
955 error = clib_error_return (0, "failed: unknown input `%U'",
956 format_unformat_error, line_input);
963 ecm->expected_connections = ecm->n_clients * ecm->quic_streams;
965 if (!ecm->connect_uri)
967 clib_warning ("No uri provided. Using default: %s", default_uri);
968 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
971 if ((rv = parse_uri ((char *) ecm->connect_uri, &ecm->connect_sep)))
973 error = clib_error_return (0, "Uri parse error: %d", rv);
976 ecm->transport_proto = ecm->connect_sep.transport_proto;
977 ecm->is_dgram = (ecm->transport_proto == TRANSPORT_PROTO_UDP);
979 if (ecm->prealloc_sessions)
980 pool_init_fixed (ecm->sessions, 1.1 * ecm->n_clients);
982 if ((error = echo_clients_attach ()))
984 clib_error_report (error);
989 * Start. Fire off connect requests
992 ecm->syn_start_time = vlib_time_now (vm);
993 if ((error = echo_clients_connect (vm)))
999 * Park until the sessions come up, or syn_timeout seconds pass
1002 vlib_process_wait_for_event_or_clock (vm, ecm->syn_timeout);
1003 event_type = vlib_process_get_events (vm, &event_data);
1007 ec_cli ("Timeout with only %d sessions active...",
1008 ecm->ready_connections);
1009 error = clib_error_return (0, "failed: syn timeout with %d sessions",
1010 ecm->ready_connections);
1014 delta = vlib_time_now (vm) - ecm->syn_start_time;
1016 ec_cli ("%d three-way handshakes in %.2f seconds %.2f/s",
1017 ecm->n_clients, delta, ((f64) ecm->n_clients) / delta);
1021 ec_cli ("unexpected event(1): %d", event_type);
1022 error = clib_error_return (0, "failed: unexpected event(1): %d",
1028 * Wait for the sessions to finish or test_timeout seconds pass
1030 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
1031 ec_cli ("Test started at %.6f", ecm->test_start_time);
1032 vlib_process_wait_for_event_or_clock (vm, ecm->test_timeout);
1033 event_type = vlib_process_get_events (vm, &event_data);
1037 ec_cli ("Timeout with %d sessions still active...",
1038 ecm->ready_connections);
1039 error = clib_error_return (0, "failed: timeout with %d sessions",
1040 ecm->ready_connections);
1044 ecm->test_end_time = vlib_time_now (vm);
1045 ec_cli ("Test finished at %.6f", ecm->test_end_time);
1049 ec_cli ("unexpected event(2): %d", event_type);
1050 error = clib_error_return (0, "failed: unexpected event(2): %d",
1056 * Done. Compute stats
1058 delta = ecm->test_end_time - ecm->test_start_time;
1061 ec_cli ("zero delta-t?");
1062 error = clib_error_return (0, "failed: zero delta-t");
1066 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
1067 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
1068 ec_cli ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds", total_bytes,
1069 total_bytes / (1ULL << 20), total_bytes / (1ULL << 30), delta);
1070 ec_cli ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
1072 ec_cli ("%.4f gbit/second %s", (((f64) total_bytes * 8.0) / delta / 1e9),
1075 if (ecm->test_bytes && ecm->test_failed)
1076 error = clib_error_return (0, "failed: test bytes");
1083 ecm->run_test = ECHO_CLIENTS_EXITING;
1084 vlib_process_wait_for_event_or_clock (vm, 10e-3);
1086 /* Detach the application, so we can use different fifo sizes next time */
1087 if (echo_clients_detach ())
1089 error = clib_error_return (0, "failed: app detach");
1090 ec_cli ("WARNING: app detach failed...");
1093 echo_clients_cleanup (ecm);
1095 unformat_free (line_input);
1098 ec_cli ("test failed");
1103 VLIB_CLI_COMMAND (echo_clients_command, static) =
1105 .path = "test echo clients",
1106 .short_help = "test echo clients [nclients %d][[m|g]bytes <bytes>]"
1107 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
1108 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
1109 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
1110 "[uri <tcp://ip/port>][test-bytes][no-output]",
1111 .function = echo_clients_command_fn,
1116 echo_clients_main_init (vlib_main_t * vm)
1118 echo_client_main_t *ecm = &echo_client_main;
1119 ecm->app_is_init = 0;
1123 VLIB_INIT_FUNCTION (echo_clients_main_init);
1126 * fd.io coding-style-patch-verification: ON
1129 * eval: (c-set-style "gnu")