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 <hs_apps/echo_client.h>
20 static ec_main_t ec_main;
23 #define DBG(_fmt, _args...) \
25 clib_warning (_fmt, ##_args)
28 signal_evt_to_cli_i (void *codep)
30 ec_main_t *ecm = &ec_main;
33 ASSERT (vlib_get_thread_index () == 0);
34 code = pointer_to_uword (codep);
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 session_send_rpc_evt_to_thread_force (
43 0, signal_evt_to_cli_i, uword_to_pointer ((uword) code, void *));
45 signal_evt_to_cli_i (uword_to_pointer ((uword) code, void *));
48 static inline ec_worker_t *
49 ec_worker_get (u32 thread_index)
51 return vec_elt_at_index (ec_main.wrk, thread_index);
54 static inline ec_session_t *
55 ec_session_alloc (ec_worker_t *wrk)
59 pool_get_zero (wrk->sessions, ecs);
60 ecs->data.session_index = ecs - wrk->sessions;
61 ecs->thread_index = wrk->thread_index;
66 static inline ec_session_t *
67 ec_session_get (ec_worker_t *wrk, u32 ec_index)
69 return pool_elt_at_index (wrk->sessions, ec_index);
73 send_data_chunk (ec_main_t *ecm, ec_session_t *es)
75 u8 *test_data = ecm->connect_test_data;
76 int test_buf_len, test_buf_offset, rv;
79 test_buf_len = vec_len (test_data);
80 ASSERT (test_buf_len > 0);
81 test_buf_offset = es->bytes_sent % test_buf_len;
83 clib_min (test_buf_len - test_buf_offset, es->bytes_to_send);
89 svm_fifo_t *f = es->data.tx_fifo;
90 rv = clib_min (svm_fifo_max_enqueue_prod (f), bytes_this_chunk);
91 svm_fifo_enqueue_nocopy (f, rv);
92 session_send_io_evt_to_thread_custom (
93 &es->vpp_session_index, es->thread_index, SESSION_IO_EVT_TX);
96 rv = app_send_stream (&es->data, test_data + test_buf_offset,
101 svm_fifo_t *f = es->data.tx_fifo;
102 u32 max_enqueue = svm_fifo_max_enqueue_prod (f);
104 if (max_enqueue < sizeof (session_dgram_hdr_t))
107 max_enqueue -= sizeof (session_dgram_hdr_t);
111 session_dgram_hdr_t hdr;
112 app_session_transport_t *at = &es->data.transport;
114 rv = clib_min (max_enqueue, bytes_this_chunk);
116 hdr.data_length = rv;
118 clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip,
119 sizeof (ip46_address_t));
120 hdr.is_ip4 = at->is_ip4;
121 hdr.rmt_port = at->rmt_port;
122 clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip,
123 sizeof (ip46_address_t));
124 hdr.lcl_port = at->lcl_port;
125 svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
126 svm_fifo_enqueue_nocopy (f, rv);
127 session_send_io_evt_to_thread_custom (
128 &es->vpp_session_index, es->thread_index, SESSION_IO_EVT_TX);
132 bytes_this_chunk = clib_min (bytes_this_chunk, max_enqueue);
133 bytes_this_chunk = clib_min (bytes_this_chunk, 1460);
134 rv = app_send_dgram (&es->data, test_data + test_buf_offset,
135 bytes_this_chunk, 0);
139 /* If we managed to enqueue data... */
142 /* Account for it... */
143 es->bytes_to_send -= rv;
144 es->bytes_sent += rv;
148 ELOG_TYPE_DECLARE (e) =
150 .format = "tx-enq: xfer %d bytes, sent %u remain %u",
151 .format_args = "i4i4i4",
157 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
159 ed->data[1] = es->bytes_sent;
160 ed->data[2] = es->bytes_to_send;
166 receive_data_chunk (ec_worker_t *wrk, ec_session_t *es)
168 ec_main_t *ecm = &ec_main;
169 svm_fifo_t *rx_fifo = es->data.rx_fifo;
176 app_recv_stream (&es->data, wrk->rx_buf, vec_len (wrk->rx_buf));
179 app_recv_dgram (&es->data, wrk->rx_buf, vec_len (wrk->rx_buf));
183 n_read = svm_fifo_max_dequeue_cons (rx_fifo);
184 svm_fifo_dequeue_drop (rx_fifo, n_read);
191 ELOG_TYPE_DECLARE (e) =
193 .format = "rx-deq: %d bytes",
200 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
201 ed->data[0] = n_read;
206 for (i = 0; i < n_read; i++)
208 if (wrk->rx_buf[i] != ((es->bytes_received + i) & 0xff))
210 clib_warning ("read %d error at byte %lld, 0x%x not 0x%x",
211 n_read, es->bytes_received + i, wrk->rx_buf[i],
212 ((es->bytes_received + i) & 0xff));
213 ecm->test_failed = 1;
217 ASSERT (n_read <= es->bytes_to_receive);
218 es->bytes_to_receive -= n_read;
219 es->bytes_received += n_read;
224 ec_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
226 u32 *conn_indices, *conns_this_batch, nconns_this_batch;
227 int thread_index = vm->thread_index, i, delete_session;
228 ec_main_t *ecm = &ec_main;
233 if (ecm->run_test != EC_RUNNING)
236 wrk = ec_worker_get (thread_index);
237 conn_indices = wrk->conn_indices;
238 conns_this_batch = wrk->conns_this_batch;
240 if (((vec_len (conn_indices) == 0) && vec_len (conns_this_batch) == 0))
243 /* Grab another pile of connections */
244 if (PREDICT_FALSE (vec_len (conns_this_batch) == 0))
247 clib_min (ecm->connections_per_batch, vec_len (conn_indices));
249 ASSERT (nconns_this_batch > 0);
250 vec_validate (conns_this_batch, nconns_this_batch - 1);
251 clib_memcpy_fast (conns_this_batch,
252 conn_indices + vec_len (conn_indices) -
254 nconns_this_batch * sizeof (u32));
255 vec_dec_len (conn_indices, nconns_this_batch);
261 if (PREDICT_FALSE (ecm->prev_conns != ecm->connections_per_batch &&
262 ecm->prev_conns == vec_len (conns_this_batch)))
265 ecm->prev_conns = vec_len (conns_this_batch);
266 if (ecm->repeats == 500000)
268 clib_warning ("stuck clients");
273 ecm->prev_conns = vec_len (conns_this_batch);
278 * Handle connections in this batch
280 for (i = 0; i < vec_len (conns_this_batch); i++)
282 es = ec_session_get (wrk, conns_this_batch[i]);
286 if (es->bytes_to_send > 0)
288 send_data_chunk (ecm, es);
292 if (es->bytes_to_receive > 0)
297 if (PREDICT_FALSE (delete_session == 1))
299 clib_atomic_fetch_add (&ecm->tx_total, es->bytes_sent);
300 clib_atomic_fetch_add (&ecm->rx_total, es->bytes_received);
301 s = session_get_from_handle_if_valid (es->vpp_session_handle);
305 vnet_disconnect_args_t _a, *a = &_a;
306 a->handle = session_handle (s);
307 a->app_index = ecm->app_index;
308 vnet_disconnect_session (a);
310 vec_delete (conns_this_batch, 1, i);
312 clib_atomic_fetch_add (&ecm->ready_connections, -1);
316 clib_warning ("session AWOL?");
317 vec_delete (conns_this_batch, 1, i);
320 /* Kick the debug CLI process */
321 if (ecm->ready_connections == 0)
323 signal_evt_to_cli (EC_CLI_TEST_DONE);
328 wrk->conn_indices = conn_indices;
329 wrk->conns_this_batch = conns_this_batch;
333 VLIB_REGISTER_NODE (echo_clients_node) = {
334 .function = ec_node_fn,
335 .name = "echo-clients",
336 .type = VLIB_NODE_TYPE_INPUT,
337 .state = VLIB_NODE_STATE_DISABLED,
341 ec_reset_runtime_config (ec_main_t *ecm)
344 ecm->quic_streams = 1;
345 ecm->bytes_to_send = 8192;
347 ecm->fifo_size = 64 << 10;
348 ecm->connections_per_batch = 1000;
349 ecm->private_segment_count = 0;
350 ecm->private_segment_size = 256 << 20;
353 ecm->test_failed = 0;
354 ecm->tls_engine = CRYPTO_ENGINE_OPENSSL;
356 ecm->run_test = EC_STARTING;
357 ecm->ready_connections = 0;
358 ecm->connect_conn_index = 0;
361 ecm->barrier_acq_needed = 0;
362 ecm->prealloc_sessions = 0;
363 ecm->prealloc_fifos = 0;
365 ecm->appns_secret = 0;
366 ecm->attach_flags = 0;
367 ecm->syn_timeout = 20.0;
368 ecm->test_timeout = 20.0;
369 vec_free (ecm->connect_uri);
373 ec_init (vlib_main_t *vm)
375 ec_main_t *ecm = &ec_main;
380 ec_reset_runtime_config (ecm);
382 /* Store cli process node index for signaling */
383 ecm->cli_node_index = vlib_get_current_process (vm)->node_runtime.node_index;
386 if (vlib_num_workers ())
388 /* The request came over the binary api and the inband cli handler
389 * is not mp_safe. Drop the barrier to make sure the workers are not
392 if (vlib_thread_is_main_w_barrier ())
394 ecm->barrier_acq_needed = 1;
395 vlib_worker_thread_barrier_release (vm);
398 * There's a good chance that both the client and the server echo
399 * apps will be enabled so make sure the session queue node polls on
400 * the main thread as connections will probably be established on it.
402 vlib_node_set_state (vm, session_queue_node.index,
403 VLIB_NODE_STATE_POLLING);
406 /* App init done only once */
407 if (ecm->app_is_init)
411 /* Init test data. Big buffer */
412 vec_validate (ecm->connect_test_data, 4 * 1024 * 1024 - 1);
413 for (i = 0; i < vec_len (ecm->connect_test_data); i++)
414 ecm->connect_test_data[i] = i & 0xff;
416 num_threads = 1 /* main thread */ + vlib_num_workers ();
417 vec_validate (ecm->wrk, num_threads - 1);
418 vec_foreach (wrk, ecm->wrk)
420 vec_validate (wrk->rx_buf, vec_len (ecm->connect_test_data) - 1);
421 wrk->thread_index = wrk - ecm->wrk;
422 wrk->vpp_event_queue =
423 session_main_get_vpp_event_queue (wrk->thread_index);
426 ecm->app_is_init = 1;
428 vlib_worker_thread_barrier_sync (vm);
429 vnet_session_enable_disable (vm, 1 /* turn on session and transports */);
430 vlib_worker_thread_barrier_release (vm);
432 /* Turn on the builtin client input nodes */
434 vlib_node_set_state (this_vlib_main, echo_clients_node.index,
435 VLIB_NODE_STATE_POLLING);
441 ec_prealloc_sessions (ec_main_t *ecm)
443 u32 sessions_per_wrk, n_wrks;
446 n_wrks = vlib_num_workers () ? vlib_num_workers () : 1;
448 sessions_per_wrk = ecm->n_clients / n_wrks;
449 vec_foreach (wrk, ecm->wrk)
450 pool_init_fixed (wrk->sessions, 1.1 * sessions_per_wrk);
454 ec_worker_cleanup (ec_worker_t *wrk)
456 pool_free (wrk->sessions);
457 vec_free (wrk->conn_indices);
458 vec_free (wrk->conns_this_batch);
462 ec_cleanup (ec_main_t *ecm)
466 vec_foreach (wrk, ecm->wrk)
467 ec_worker_cleanup (wrk);
469 vec_free (ecm->connect_uri);
470 vec_free (ecm->appns_id);
472 if (ecm->barrier_acq_needed)
473 vlib_worker_thread_barrier_sync (ecm->vlib_main);
477 quic_ec_qsession_connected_callback (u32 app_index, u32 api_context,
478 session_t *s, session_error_t err)
480 session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
481 ec_main_t *ecm = &ec_main;
482 vnet_connect_args_t *a = 0;
483 session_handle_t handle;
487 DBG ("QUIC Connection handle %d", session_handle (s));
490 a->uri = (char *) ecm->connect_uri;
491 if (parse_uri (a->uri, &sep))
493 sep.parent_handle = handle = session_handle (s);
495 for (stream_n = 0; stream_n < ecm->quic_streams; stream_n++)
497 clib_memset (a, 0, sizeof (*a));
498 a->app_index = ecm->app_index;
499 a->api_context = -1 - api_context;
500 clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
502 DBG ("QUIC opening stream %d", stream_n);
503 if ((rv = vnet_connect (a)))
505 clib_error ("Stream session %d opening failed: %d", stream_n, rv);
508 DBG ("QUIC stream %d connected", stream_n);
511 * 's' is no longer valid, its underlying pool could have been moved in
519 quic_ec_session_connected_callback (u32 app_index, u32 api_context,
520 session_t *s, session_error_t err)
522 ec_main_t *ecm = &ec_main;
527 if (PREDICT_FALSE (ecm->run_test != EC_STARTING))
532 clib_warning ("connection %d failed!", api_context);
533 ecm->run_test = EC_EXITING;
534 signal_evt_to_cli (EC_CLI_CONNECTS_FAILED);
538 if (s->listener_handle == SESSION_INVALID_HANDLE)
539 return quic_ec_qsession_connected_callback (app_index, api_context, s,
541 DBG ("STREAM Connection callback %d", api_context);
543 thread_index = s->thread_index;
544 ASSERT (thread_index == vlib_get_thread_index ()
545 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
547 wrk = ec_worker_get (thread_index);
552 es = ec_session_alloc (wrk);
554 es->bytes_to_send = ecm->bytes_to_send;
555 es->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
556 es->data.rx_fifo = s->rx_fifo;
557 es->data.rx_fifo->shr->client_session_index = es->data.session_index;
558 es->data.tx_fifo = s->tx_fifo;
559 es->data.tx_fifo->shr->client_session_index = es->data.session_index;
560 es->data.vpp_evt_q = wrk->vpp_event_queue;
561 es->vpp_session_handle = session_handle (s);
562 es->vpp_session_index = s->session_index;
563 s->opaque = es->data.session_index;
567 transport_connection_t *tc;
568 tc = session_get_transport (s);
569 clib_memcpy_fast (&es->data.transport, tc, sizeof (es->data.transport));
570 es->data.is_dgram = 1;
573 vec_add1 (wrk->conn_indices, es->data.session_index);
574 clib_atomic_fetch_add (&ecm->ready_connections, 1);
575 if (ecm->ready_connections == ecm->expected_connections)
577 ecm->run_test = EC_RUNNING;
578 /* Signal the CLI process that the action is starting... */
579 signal_evt_to_cli (EC_CLI_CONNECTS_DONE);
586 ec_session_connected_callback (u32 app_index, u32 api_context, session_t *s,
589 ec_main_t *ecm = &ec_main;
594 if (PREDICT_FALSE (ecm->run_test != EC_STARTING))
599 clib_warning ("connection %d failed!", api_context);
600 ecm->run_test = EC_EXITING;
601 signal_evt_to_cli (EC_CLI_CONNECTS_FAILED);
605 thread_index = s->thread_index;
606 ASSERT (thread_index == vlib_get_thread_index ()
607 || session_transport_service_type (s) == TRANSPORT_SERVICE_CL);
609 wrk = ec_worker_get (thread_index);
614 es = ec_session_alloc (wrk);
616 es->bytes_to_send = ecm->bytes_to_send;
617 es->bytes_to_receive = ecm->no_return ? 0ULL : ecm->bytes_to_send;
618 es->data.rx_fifo = s->rx_fifo;
619 es->data.rx_fifo->shr->client_session_index = es->data.session_index;
620 es->data.tx_fifo = s->tx_fifo;
621 es->data.tx_fifo->shr->client_session_index = es->data.session_index;
622 es->data.vpp_evt_q = wrk->vpp_event_queue;
623 es->vpp_session_handle = session_handle (s);
624 es->vpp_session_index = s->session_index;
625 s->opaque = es->data.session_index;
629 transport_connection_t *tc;
630 tc = session_get_transport (s);
631 clib_memcpy_fast (&es->data.transport, tc, sizeof (es->data.transport));
632 es->data.is_dgram = 1;
635 vec_add1 (wrk->conn_indices, es->data.session_index);
636 clib_atomic_fetch_add (&ecm->ready_connections, 1);
637 if (ecm->ready_connections == ecm->expected_connections)
639 ecm->run_test = EC_RUNNING;
640 /* Signal the CLI process that the action is starting... */
641 signal_evt_to_cli (EC_CLI_CONNECTS_DONE);
648 ec_session_reset_callback (session_t *s)
650 ec_main_t *ecm = &ec_main;
651 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
653 if (s->session_state == SESSION_STATE_READY)
654 clib_warning ("Reset active connection %U", format_session, s, 2);
656 a->handle = session_handle (s);
657 a->app_index = ecm->app_index;
658 vnet_disconnect_session (a);
663 ec_session_accept_callback (session_t *s)
669 ec_session_disconnect_callback (session_t *s)
671 ec_main_t *ecm = &ec_main;
672 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
673 a->handle = session_handle (s);
674 a->app_index = ecm->app_index;
675 vnet_disconnect_session (a);
680 ec_session_disconnect (session_t *s)
682 ec_main_t *ecm = &ec_main;
683 vnet_disconnect_args_t _a = { 0 }, *a = &_a;
684 a->handle = session_handle (s);
685 a->app_index = ecm->app_index;
686 vnet_disconnect_session (a);
690 ec_session_rx_callback (session_t *s)
692 ec_main_t *ecm = &ec_main;
696 if (PREDICT_FALSE (ecm->run_test != EC_RUNNING))
698 ec_session_disconnect (s);
702 wrk = ec_worker_get (s->thread_index);
703 es = ec_session_get (wrk, s->opaque);
705 receive_data_chunk (wrk, es);
707 if (svm_fifo_max_dequeue_cons (s->rx_fifo))
709 if (svm_fifo_set_event (s->rx_fifo))
710 session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX);
716 ec_add_segment_callback (u32 app_index, u64 segment_handle)
718 /* New segments may be added */
723 ec_del_segment_callback (u32 app_index, u64 segment_handle)
728 static session_cb_vft_t ec_cb_vft = {
729 .session_reset_callback = ec_session_reset_callback,
730 .session_connected_callback = ec_session_connected_callback,
731 .session_accept_callback = ec_session_accept_callback,
732 .session_disconnect_callback = ec_session_disconnect_callback,
733 .builtin_app_rx_callback = ec_session_rx_callback,
734 .add_segment_callback = ec_add_segment_callback,
735 .del_segment_callback = ec_del_segment_callback,
738 static clib_error_t *
741 vnet_app_add_cert_key_pair_args_t _ck_pair, *ck_pair = &_ck_pair;
742 ec_main_t *ecm = &ec_main;
743 vnet_app_attach_args_t _a, *a = &_a;
748 clib_memset (a, 0, sizeof (*a));
749 clib_memset (options, 0, sizeof (options));
751 a->api_client_index = ~0;
752 a->name = format (0, "echo_client");
753 if (ecm->transport_proto == TRANSPORT_PROTO_QUIC)
754 ec_cb_vft.session_connected_callback = quic_ec_session_connected_callback;
755 a->session_cb_vft = &ec_cb_vft;
757 prealloc_fifos = ecm->prealloc_fifos ? ecm->expected_connections : 1;
759 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
760 options[APP_OPTIONS_SEGMENT_SIZE] = ecm->private_segment_size;
761 options[APP_OPTIONS_ADD_SEGMENT_SIZE] = ecm->private_segment_size;
762 options[APP_OPTIONS_RX_FIFO_SIZE] = ecm->fifo_size;
763 options[APP_OPTIONS_TX_FIFO_SIZE] = ecm->fifo_size;
764 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = ecm->private_segment_count;
765 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = prealloc_fifos;
766 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
767 options[APP_OPTIONS_TLS_ENGINE] = ecm->tls_engine;
768 options[APP_OPTIONS_PCT_FIRST_ALLOC] = 100;
769 options[APP_OPTIONS_FLAGS] |= ecm->attach_flags;
772 options[APP_OPTIONS_NAMESPACE_SECRET] = ecm->appns_secret;
773 a->namespace_id = ecm->appns_id;
775 a->options = options;
777 if ((rv = vnet_application_attach (a)))
778 return clib_error_return (0, "attach returned %d", rv);
780 ecm->app_index = a->app_index;
783 clib_memset (ck_pair, 0, sizeof (*ck_pair));
784 ck_pair->cert = (u8 *) test_srv_crt_rsa;
785 ck_pair->key = (u8 *) test_srv_key_rsa;
786 ck_pair->cert_len = test_srv_crt_rsa_len;
787 ck_pair->key_len = test_srv_key_rsa_len;
788 vnet_app_add_cert_key_pair (ck_pair);
789 ecm->ckpair_index = ck_pair->index;
791 ecm->test_client_attached = 1;
799 ec_main_t *ecm = &ec_main;
800 vnet_app_detach_args_t _da, *da = &_da;
803 if (!ecm->test_client_attached)
806 da->app_index = ecm->app_index;
807 da->api_client_index = ~0;
808 rv = vnet_application_detach (da);
809 ecm->test_client_attached = 0;
811 vnet_app_del_cert_key_pair (ecm->ckpair_index);
817 ec_transport_needs_crypto (transport_proto_t proto)
819 return proto == TRANSPORT_PROTO_TLS || proto == TRANSPORT_PROTO_DTLS ||
820 proto == TRANSPORT_PROTO_QUIC;
824 ec_connect_rpc (void *args)
826 ec_main_t *ecm = &ec_main;
827 vnet_connect_args_t _a = {}, *a = &_a;
828 int rv, needs_crypto;
831 n_clients = ecm->n_clients;
832 needs_crypto = ec_transport_needs_crypto (ecm->transport_proto);
833 clib_memcpy (&a->sep_ext, &ecm->connect_sep, sizeof (ecm->connect_sep));
834 a->sep_ext.transport_flags |= TRANSPORT_CFG_F_CONNECTED;
835 a->app_index = ecm->app_index;
837 ci = ecm->connect_conn_index;
839 while (ci < n_clients)
841 /* Crude pacing for call setups */
842 if (ci - ecm->ready_connections > 128)
844 ecm->connect_conn_index = ci;
851 session_endpoint_alloc_ext_cfg (&a->sep_ext,
852 TRANSPORT_ENDPT_EXT_CFG_CRYPTO);
853 a->sep_ext.ext_cfg->crypto.ckpair_index = ecm->ckpair_index;
856 rv = vnet_connect (a);
859 clib_mem_free (a->sep_ext.ext_cfg);
863 clib_warning ("connect returned: %U", format_session_error, rv);
864 ecm->run_test = EC_EXITING;
865 signal_evt_to_cli (EC_CLI_CONNECTS_FAILED);
872 if (ci < ecm->expected_connections && ecm->run_test != EC_EXITING)
873 ec_program_connects ();
879 ec_program_connects (void)
881 session_send_rpc_evt_to_thread_force (transport_cl_thread (), ec_connect_rpc,
885 #define ec_cli(_fmt, _args...) \
886 if (!ecm->no_output) \
887 vlib_cli_output (vm, _fmt, ##_args)
889 static clib_error_t *
890 ec_command_fn (vlib_main_t *vm, unformat_input_t *input,
891 vlib_cli_command_t *cmd)
893 unformat_input_t _line_input, *line_input = &_line_input;
894 char *default_uri = "tcp://6.0.1.1/1234", *transfer_type;
895 ec_main_t *ecm = &ec_main;
896 uword *event_data = 0, event_type;
897 clib_error_t *error = 0;
898 int rv, had_config = 1;
899 u64 tmp, total_bytes;
902 if (ecm->test_client_attached)
903 return clib_error_return (0, "failed: already running!");
907 error = clib_error_return (0, "failed init");
911 if (!unformat_user (input, unformat_line_input, line_input))
917 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
919 if (unformat (line_input, "uri %s", &ecm->connect_uri))
921 else if (unformat (line_input, "nclients %d", &ecm->n_clients))
923 else if (unformat (line_input, "quic-streams %d", &ecm->quic_streams))
925 else if (unformat (line_input, "mbytes %lld", &tmp))
926 ecm->bytes_to_send = tmp << 20;
927 else if (unformat (line_input, "gbytes %lld", &tmp))
928 ecm->bytes_to_send = tmp << 30;
929 else if (unformat (line_input, "bytes %U", unformat_memory_size,
930 &ecm->bytes_to_send))
932 else if (unformat (line_input, "test-timeout %f", &ecm->test_timeout))
934 else if (unformat (line_input, "syn-timeout %f", &ecm->syn_timeout))
936 else if (unformat (line_input, "no-return"))
938 else if (unformat (line_input, "fifo-size %d", &ecm->fifo_size))
939 ecm->fifo_size <<= 10;
940 else if (unformat (line_input, "private-segment-count %d",
941 &ecm->private_segment_count))
943 else if (unformat (line_input, "private-segment-size %U",
944 unformat_memory_size, &ecm->private_segment_size))
946 else if (unformat (line_input, "preallocate-fifos"))
947 ecm->prealloc_fifos = 1;
948 else if (unformat (line_input, "preallocate-sessions"))
949 ecm->prealloc_sessions = 1;
950 else if (unformat (line_input, "client-batch %d",
951 &ecm->connections_per_batch))
953 else if (unformat (line_input, "appns %_%v%_", &ecm->appns_id))
955 else if (unformat (line_input, "all-scope"))
956 ecm->attach_flags |= (APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE |
957 APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE);
958 else if (unformat (line_input, "local-scope"))
959 ecm->attach_flags = APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
960 else if (unformat (line_input, "global-scope"))
961 ecm->attach_flags = APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
962 else if (unformat (line_input, "secret %lu", &ecm->appns_secret))
964 else if (unformat (line_input, "no-output"))
966 else if (unformat (line_input, "test-bytes"))
968 else if (unformat (line_input, "tls-engine %d", &ecm->tls_engine))
972 error = clib_error_return (0, "failed: unknown input `%U'",
973 format_unformat_error, line_input);
980 ecm->expected_connections = ecm->n_clients * ecm->quic_streams;
982 if (!ecm->connect_uri)
984 clib_warning ("No uri provided. Using default: %s", default_uri);
985 ecm->connect_uri = format (0, "%s%c", default_uri, 0);
988 if ((rv = parse_uri ((char *) ecm->connect_uri, &ecm->connect_sep)))
990 error = clib_error_return (0, "Uri parse error: %d", rv);
993 ecm->transport_proto = ecm->connect_sep.transport_proto;
994 ecm->is_dgram = (ecm->transport_proto == TRANSPORT_PROTO_UDP);
996 if (ecm->prealloc_sessions)
997 ec_prealloc_sessions (ecm);
999 if ((error = ec_attach ()))
1001 clib_error_report (error);
1006 * Start. Fire off connect requests
1009 ecm->syn_start_time = vlib_time_now (vm);
1010 ec_program_connects ();
1013 * Park until the sessions come up, or syn_timeout seconds pass
1016 vlib_process_wait_for_event_or_clock (vm, ecm->syn_timeout);
1017 event_type = vlib_process_get_events (vm, &event_data);
1021 ec_cli ("Timeout with only %d sessions active...",
1022 ecm->ready_connections);
1023 error = clib_error_return (0, "failed: syn timeout with %d sessions",
1024 ecm->ready_connections);
1027 case EC_CLI_CONNECTS_DONE:
1028 delta = vlib_time_now (vm) - ecm->syn_start_time;
1030 ec_cli ("%d three-way handshakes in %.2f seconds %.2f/s",
1031 ecm->n_clients, delta, ((f64) ecm->n_clients) / delta);
1034 case EC_CLI_CONNECTS_FAILED:
1035 error = clib_error_return (0, "failed: connect returned");
1039 ec_cli ("unexpected event(1): %d", event_type);
1040 error = clib_error_return (0, "failed: unexpected event(1): %d",
1046 * Wait for the sessions to finish or test_timeout seconds pass
1048 ecm->test_start_time = vlib_time_now (ecm->vlib_main);
1049 ec_cli ("Test started at %.6f", ecm->test_start_time);
1050 vlib_process_wait_for_event_or_clock (vm, ecm->test_timeout);
1051 event_type = vlib_process_get_events (vm, &event_data);
1055 ec_cli ("Timeout at %.6f with %d sessions still active...",
1056 vlib_time_now (ecm->vlib_main), ecm->ready_connections);
1057 error = clib_error_return (0, "failed: timeout with %d sessions",
1058 ecm->ready_connections);
1061 case EC_CLI_TEST_DONE:
1062 ecm->test_end_time = vlib_time_now (vm);
1063 ec_cli ("Test finished at %.6f", ecm->test_end_time);
1067 ec_cli ("unexpected event(2): %d", event_type);
1068 error = clib_error_return (0, "failed: unexpected event(2): %d",
1074 * Done. Compute stats
1076 delta = ecm->test_end_time - ecm->test_start_time;
1079 ec_cli ("zero delta-t?");
1080 error = clib_error_return (0, "failed: zero delta-t");
1084 total_bytes = (ecm->no_return ? ecm->tx_total : ecm->rx_total);
1085 transfer_type = ecm->no_return ? "half-duplex" : "full-duplex";
1086 ec_cli ("%lld bytes (%lld mbytes, %lld gbytes) in %.2f seconds", total_bytes,
1087 total_bytes / (1ULL << 20), total_bytes / (1ULL << 30), delta);
1088 ec_cli ("%.2f bytes/second %s", ((f64) total_bytes) / (delta),
1090 ec_cli ("%.4f gbit/second %s", (((f64) total_bytes * 8.0) / delta / 1e9),
1093 if (ecm->test_bytes && ecm->test_failed)
1094 error = clib_error_return (0, "failed: test bytes");
1101 ecm->run_test = EC_EXITING;
1102 vlib_process_wait_for_event_or_clock (vm, 10e-3);
1104 /* Detach the application, so we can use different fifo sizes next time */
1107 error = clib_error_return (0, "failed: app detach");
1108 ec_cli ("WARNING: app detach failed...");
1113 unformat_free (line_input);
1116 ec_cli ("test failed");
1121 VLIB_CLI_COMMAND (ec_command, static) = {
1122 .path = "test echo clients",
1124 "test echo clients [nclients %d][[m|g]bytes <bytes>]"
1125 "[test-timeout <time>][syn-timeout <time>][no-return][fifo-size <size>]"
1126 "[private-segment-count <count>][private-segment-size <bytes>[m|g]]"
1127 "[preallocate-fifos][preallocate-sessions][client-batch <batch-size>]"
1128 "[uri <tcp://ip/port>][test-bytes][no-output]",
1129 .function = ec_command_fn,
1134 ec_main_init (vlib_main_t *vm)
1136 ec_main_t *ecm = &ec_main;
1137 ecm->app_is_init = 0;
1141 VLIB_INIT_FUNCTION (ec_main_init);
1144 * fd.io coding-style-patch-verification: ON
1147 * eval: (c-set-style "gnu")