2 * Copyright (c) 2017-2021 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
20 #include <sys/types.h>
21 #include <sys/socket.h>
24 #include <arpa/inet.h>
25 #include <hs_apps/vcl/vcl_test.h>
29 typedef struct vtc_worker_ vcl_test_client_worker_t;
30 typedef int (vtc_worker_run_fn) (vcl_test_client_worker_t *wrk);
34 vcl_test_session_t *sessions;
35 vcl_test_session_t *qsessions;
49 struct epoll_event ep_evts[VCL_TEST_CFG_MAX_EPOLL_EVENTS];
50 vcl_test_session_t *next_to_send;
53 pthread_t thread_handle;
54 vtc_worker_run_fn *wrk_run_fn;
60 vcl_test_client_worker_t *workers;
61 vcl_test_session_t ctrl_session;
62 vppcom_endpt_t server_endpt;
67 uint8_t incremental_stats;
69 volatile int active_workers;
70 volatile int test_running;
76 } vcl_test_client_main_t;
78 vcl_test_client_main_t vcl_client_main;
80 #define vtc_min(a, b) (a < b ? a : b)
81 #define vtc_max(a, b) (a > b ? a : b)
83 vcl_test_main_t vcl_test_main;
86 vtc_cfg_sync (vcl_test_session_t * ts)
88 vcl_test_cfg_t *rx_cfg = (vcl_test_cfg_t *) ts->rxbuf;
89 int rx_bytes, tx_bytes;
91 vt_atomic_add (&ts->cfg.seq_num, 1);
94 vtinf ("(fd %d): Sending config to server.", ts->fd);
95 vcl_test_cfg_dump (&ts->cfg, 1 /* is_client */ );
97 tx_bytes = ts->write (ts, &ts->cfg, sizeof (ts->cfg));
100 vtwrn ("(fd %d): write test cfg failed (%d)!", ts->fd, tx_bytes);
104 rx_bytes = ts->read (ts, ts->rxbuf, sizeof (vcl_test_cfg_t));
108 if (rx_cfg->magic != VCL_TEST_CFG_CTRL_MAGIC)
110 vtwrn ("(fd %d): Bad server reply cfg -- aborting!", ts->fd);
113 if ((rx_bytes != sizeof (vcl_test_cfg_t))
114 || !vcl_test_cfg_verify (rx_cfg, &ts->cfg))
116 vtwrn ("(fd %d): Invalid config received from server!", ts->fd);
117 if (rx_bytes != sizeof (vcl_test_cfg_t))
119 vtinf ("\tRx bytes %d != cfg size %lu", rx_bytes,
120 sizeof (vcl_test_cfg_t));
124 vcl_test_cfg_dump (rx_cfg, 1 /* is_client */ );
125 vtinf ("(fd %d): Valid config sent to server.", ts->fd);
126 vcl_test_cfg_dump (&ts->cfg, 1 /* is_client */ );
132 vtinf ("(fd %d): Got config back from server.", ts->fd);
133 vcl_test_cfg_dump (rx_cfg, 1 /* is_client */ );
140 vtc_worker_alloc_sessions (vcl_test_client_worker_t *wrk)
142 vcl_test_session_t *ts;
143 uint32_t n_test_sessions;
147 n_test_sessions = wrk->cfg.num_test_sessions;
148 if (n_test_sessions < 1)
154 if (wrk->n_sessions >= n_test_sessions)
158 wrk->sessions = realloc (wrk->sessions,
159 n_test_sessions * sizeof (vcl_test_session_t));
161 wrk->sessions = calloc (n_test_sessions, sizeof (vcl_test_session_t));
165 vterr ("failed to alloc sessions", -errno);
169 clock_gettime (CLOCK_REALTIME, &now);
171 for (i = 0; i < n_test_sessions; i++)
173 ts = &wrk->sessions[i];
174 memset (ts, 0, sizeof (*ts));
175 ts->session_index = i;
176 ts->old_stats.stop = now;
178 vcl_test_session_buf_alloc (ts);
180 switch (ts->cfg.test)
182 case VCL_TEST_TYPE_UNI:
183 case VCL_TEST_TYPE_BI:
184 for (j = 0; j < ts->txbuf_size; j++)
185 ts->txbuf[j] = j & 0xff;
191 wrk->n_sessions = n_test_sessions;
195 vtinf ("All test sessions (%d) initialized!", n_test_sessions);
201 vtc_worker_init (vcl_test_client_worker_t * wrk)
203 vcl_test_client_main_t *vcm = &vcl_client_main;
206 __wrk_index = wrk->wrk_index;
208 vtinf ("Initializing worker %u ...", wrk->wrk_index);
212 if (vppcom_worker_register ())
214 vtwrn ("failed to register worker");
217 vt_atomic_add (&vcm->active_workers, 1);
219 rv = vtc_worker_alloc_sessions (wrk);
222 vterr ("vtc_worker_alloc_sessions ()", rv);
229 static int stats_lock = 0;
232 vtc_accumulate_stats (vcl_test_client_worker_t * wrk,
233 vcl_test_session_t * ctrl)
235 vcl_test_session_t *ts;
239 while (__sync_lock_test_and_set (&stats_lock, 1))
242 if (ctrl->cfg.test == VCL_TEST_TYPE_BI
243 || ctrl->cfg.test == VCL_TEST_TYPE_ECHO)
246 for (i = 0; i < wrk->cfg.num_test_sessions; i++)
248 ts = &wrk->sessions[i];
249 ts->stats.start = ctrl->stats.start;
251 if (ctrl->cfg.verbose > 1)
253 snprintf (buf, sizeof (buf), "CLIENT (fd %d) RESULTS", ts->fd);
254 vcl_test_stats_dump (buf, &ts->stats, show_rx, 1 /* show tx */ ,
258 vcl_test_stats_accumulate (&ctrl->stats, &ts->stats);
259 if (vcl_comp_tspec (&ctrl->stats.stop, &ts->stats.stop) < 0)
260 ctrl->stats.stop = ts->stats.stop;
263 __sync_lock_release (&stats_lock);
267 vtc_worker_sessions_exit (vcl_test_client_worker_t * wrk)
269 vcl_test_session_t *ts;
272 for (i = 0; i < wrk->cfg.num_test_sessions; i++)
274 ts = &wrk->sessions[i];
275 vppcom_session_close (ts->fd);
276 vcl_test_session_buf_free (ts);
283 vtc_inc_stats_check (vcl_test_session_t *ts)
285 /* Avoid checking time too often because of syscall cost */
286 if (ts->stats.tx_bytes - ts->old_stats.tx_bytes < 1 << 20)
289 clock_gettime (CLOCK_REALTIME, &ts->stats.stop);
290 if (vcl_test_time_diff (&ts->old_stats.stop, &ts->stats.stop) > 1)
292 vcl_test_stats_dump_inc (ts, 0 /* is_rx */);
293 ts->old_stats = ts->stats;
298 vtc_worker_start_transfer (vcl_test_client_worker_t *wrk)
300 vtinf ("Worker %u starting transfer ...", wrk->wrk_index);
302 if (wrk->wrk_index == 0)
304 vcl_test_client_main_t *vcm = &vcl_client_main;
305 vcl_test_session_t *ctrl = &vcm->ctrl_session;
307 clock_gettime (CLOCK_REALTIME, &ctrl->stats.start);
312 vtc_session_check_is_done (vcl_test_session_t *ts, uint8_t check_rx)
314 if ((!check_rx && ts->stats.tx_bytes >= ts->cfg.total_bytes) ||
315 (check_rx && ts->stats.rx_bytes >= ts->cfg.total_bytes))
317 clock_gettime (CLOCK_REALTIME, &ts->stats.stop);
325 vtc_worker_connect_sessions_select (vcl_test_client_worker_t *wrk)
327 vcl_test_client_main_t *vcm = &vcl_client_main;
328 vcl_test_main_t *vt = &vcl_test_main;
329 const vcl_test_proto_vft_t *tp;
330 vcl_test_session_t *ts;
334 tp = vt->protos[vcm->proto];
336 FD_ZERO (&wrk->wr_fdset);
337 FD_ZERO (&wrk->rd_fdset);
339 for (i = 0; i < wrk->cfg.num_test_sessions; i++)
341 ts = &wrk->sessions[i];
343 rv = tp->open (&wrk->sessions[i], &vcm->server_endpt);
347 FD_SET (vppcom_session_index (ts->fd), &wrk->wr_fdset);
348 FD_SET (vppcom_session_index (ts->fd), &wrk->rd_fdset);
349 sidx = vppcom_session_index (ts->fd);
350 wrk->max_fd_index = vtc_max (sidx, wrk->max_fd_index);
352 wrk->max_fd_index += 1;
354 vtinf ("All test sessions (%d) connected!", wrk->cfg.num_test_sessions);
360 vtc_worker_run_select (vcl_test_client_worker_t *wrk)
362 vcl_test_client_main_t *vcm = &vcl_client_main;
363 fd_set _wfdset, *wfdset = &_wfdset;
364 fd_set _rfdset, *rfdset = &_rfdset;
365 uint32_t n_active_sessions;
366 vcl_test_session_t *ts;
367 int i, rv, check_rx = 0;
369 rv = vtc_worker_connect_sessions_select (wrk);
372 vterr ("vtc_worker_connect_sessions()", rv);
376 check_rx = wrk->cfg.test != VCL_TEST_TYPE_UNI;
377 n_active_sessions = wrk->cfg.num_test_sessions;
379 vtc_worker_start_transfer (wrk);
381 while (n_active_sessions && vcm->test_running)
383 _wfdset = wrk->wr_fdset;
384 _rfdset = wrk->rd_fdset;
386 rv = vppcom_select (wrk->max_fd_index, (unsigned long *) rfdset,
387 (unsigned long *) wfdset, NULL, 0);
390 vterr ("vppcom_select()", rv);
396 for (i = 0; i < wrk->cfg.num_test_sessions; i++)
398 ts = &wrk->sessions[i];
402 if (FD_ISSET (vppcom_session_index (ts->fd), rfdset) &&
403 ts->stats.rx_bytes < ts->cfg.total_bytes)
405 rv = ts->read (ts, ts->rxbuf, ts->rxbuf_size);
410 if (FD_ISSET (vppcom_session_index (ts->fd), wfdset) &&
411 ts->stats.tx_bytes < ts->cfg.total_bytes)
413 rv = ts->write (ts, ts->txbuf, ts->cfg.txbuf_size);
416 vtwrn ("vppcom_test_write (%d) failed -- aborting test",
420 if (vcm->incremental_stats)
421 vtc_inc_stats_check (ts);
423 if ((!check_rx && ts->stats.tx_bytes >= ts->cfg.total_bytes) ||
424 (check_rx && ts->stats.rx_bytes >= ts->cfg.total_bytes))
426 clock_gettime (CLOCK_REALTIME, &ts->stats.stop);
437 vtc_worker_epoll_send_add (vcl_test_client_worker_t *wrk,
438 vcl_test_session_t *ts)
440 if (!wrk->next_to_send)
442 wrk->next_to_send = ts;
446 ts->next = wrk->next_to_send;
447 wrk->next_to_send = ts->next;
452 vtc_worker_epoll_send_del (vcl_test_client_worker_t *wrk,
453 vcl_test_session_t *ts, vcl_test_session_t *prev)
457 wrk->next_to_send = ts->next;
461 prev->next = ts->next;
466 vtc_worker_connect_sessions_epoll (vcl_test_client_worker_t *wrk)
468 vcl_test_client_main_t *vcm = &vcl_client_main;
469 vcl_test_main_t *vt = &vcl_test_main;
470 const vcl_test_proto_vft_t *tp;
471 struct timespec start, end;
472 uint32_t n_connected = 0;
473 vcl_test_session_t *ts;
474 struct epoll_event ev;
475 int i, ci = 0, rv, n_ev;
478 tp = vt->protos[vcm->proto];
479 wrk->epoll_sh = vppcom_epoll_create ();
481 ev.events = EPOLLET | EPOLLOUT;
483 clock_gettime (CLOCK_REALTIME, &start);
485 while (n_connected < wrk->cfg.num_test_sessions)
488 * Try to connect more sessions if under pending threshold
490 while ((ci - n_connected) < 16 && ci < wrk->cfg.num_test_sessions)
492 ts = &wrk->sessions[ci];
493 ts->noblk_connect = 1;
494 rv = tp->open (&wrk->sessions[ci], &vcm->server_endpt);
497 vtwrn ("open: %d", rv);
502 rv = vppcom_epoll_ctl (wrk->epoll_sh, EPOLL_CTL_ADD, ts->fd, &ev);
505 vtwrn ("vppcom_epoll_ctl: %d", rv);
512 * Handle connected events
515 vppcom_epoll_wait (wrk->epoll_sh, wrk->ep_evts,
516 VCL_TEST_CFG_MAX_EPOLL_EVENTS, 0 /* timeout */);
519 vterr ("vppcom_epoll_wait() returned", n_ev);
527 for (i = 0; i < n_ev; i++)
529 ts = &wrk->sessions[wrk->ep_evts[i].data.u32];
530 if (!(wrk->ep_evts[i].events & EPOLLOUT))
532 vtwrn ("connect failed");
537 vtwrn ("connection already open?");
545 clock_gettime (CLOCK_REALTIME, &end);
547 diff = vcl_test_time_diff (&start, &end);
548 vtinf ("Connected (%u) connected in %.2f seconds (%u CPS)!",
549 wrk->cfg.num_test_sessions, diff,
550 (uint32_t) ((double) wrk->cfg.num_test_sessions / diff));
552 ev.events = EPOLLET | EPOLLIN | EPOLLOUT;
554 for (i = 0; i < wrk->cfg.num_test_sessions; i++)
556 ts = &wrk->sessions[i];
558 /* No data to be sent */
559 if (ts->cfg.total_bytes == 0)
562 clock_gettime (CLOCK_REALTIME, &ts->stats.stop);
568 rv = vppcom_epoll_ctl (wrk->epoll_sh, EPOLL_CTL_MOD, ts->fd, &ev);
571 vtwrn ("vppcom_epoll_ctl: %d", rv);
574 vtc_worker_epoll_send_add (wrk, ts);
581 vtc_worker_run_epoll (vcl_test_client_worker_t *wrk)
583 vcl_test_client_main_t *vcm = &vcl_client_main;
584 uint32_t n_active_sessions, max_writes = 16, n_writes = 0;
585 vcl_test_session_t *ts, *prev = 0;
586 int i, rv, check_rx = 0, n_ev;
588 rv = vtc_worker_connect_sessions_epoll (wrk);
591 vterr ("vtc_worker_connect_sessions()", rv);
595 n_active_sessions = rv;
596 check_rx = wrk->cfg.test != VCL_TEST_TYPE_UNI;
598 vtc_worker_start_transfer (wrk);
599 ts = wrk->next_to_send;
601 while (n_active_sessions && vcm->test_running)
608 ts = wrk->next_to_send;
613 rv = ts->write (ts, ts->txbuf, ts->cfg.txbuf_size);
616 if (vcm->incremental_stats)
617 vtc_inc_stats_check (ts);
618 if (vtc_session_check_is_done (ts, check_rx))
619 n_active_sessions -= 1;
623 vtc_worker_epoll_send_del (wrk, ts, prev);
627 vtwrn ("vppcom_test_write (%d) failed -- aborting test", ts->fd);
634 if (rv > 0 && n_writes < max_writes)
644 vppcom_epoll_wait (wrk->epoll_sh, wrk->ep_evts,
645 VCL_TEST_CFG_MAX_EPOLL_EVENTS, 0 /* timeout */);
648 vterr ("vppcom_epoll_wait()", n_ev);
656 for (i = 0; i < n_ev; i++)
658 ts = &wrk->sessions[wrk->ep_evts[i].data.u32];
663 if (wrk->ep_evts[i].events & (EPOLLERR | EPOLLHUP | EPOLLRDHUP))
665 vtinf ("%u finished before reading all data?", ts->fd);
668 if ((wrk->ep_evts[i].events & EPOLLIN) &&
669 ts->stats.rx_bytes < ts->cfg.total_bytes)
671 rv = ts->read (ts, ts->rxbuf, ts->rxbuf_size);
674 if (vtc_session_check_is_done (ts, check_rx))
675 n_active_sessions -= 1;
677 if ((wrk->ep_evts[i].events & EPOLLOUT) &&
678 ts->stats.tx_bytes < ts->cfg.total_bytes)
680 vtc_worker_epoll_send_add (wrk, ts);
691 vtc_worker_run (vcl_test_client_worker_t *wrk)
695 vtinf ("Worker %u starting test ...", wrk->wrk_index);
697 rv = wrk->wrk_run_fn (wrk);
699 vtinf ("Worker %d done ...", wrk->wrk_index);
705 vtc_worker_loop (void *arg)
707 vcl_test_client_main_t *vcm = &vcl_client_main;
708 vcl_test_session_t *ctrl = &vcm->ctrl_session;
709 vcl_test_client_worker_t *wrk = arg;
711 if (vtc_worker_init (wrk))
714 if (vtc_worker_run (wrk))
717 vtc_accumulate_stats (wrk, ctrl);
718 sleep (VCL_TEST_DELAY_DISCONNECT);
719 vtc_worker_sessions_exit (wrk);
724 vt_atomic_add (&vcm->active_workers, -1);
730 vtc_print_stats (vcl_test_session_t * ctrl)
732 int is_echo = ctrl->cfg.test == VCL_TEST_TYPE_ECHO;
736 if (ctrl->cfg.test == VCL_TEST_TYPE_BI
737 || ctrl->cfg.test == VCL_TEST_TYPE_ECHO)
740 vcl_test_stats_dump ("CLIENT RESULTS", &ctrl->stats,
741 show_rx, 1 /* show tx */ ,
743 vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
745 if (ctrl->cfg.verbose)
747 vtinf (" ctrl session info\n"
748 VCL_TEST_SEPARATOR_STRING
751 " rxbuf size: %u (0x%08x)\n"
753 " txbuf size: %u (0x%08x)\n"
754 VCL_TEST_SEPARATOR_STRING,
755 ctrl->fd, (uint32_t) ctrl->fd,
756 ctrl->rxbuf, ctrl->rxbuf_size, ctrl->rxbuf_size,
757 ctrl->txbuf, ctrl->txbuf_size, ctrl->txbuf_size);
761 snprintf (buf, sizeof (buf), "Echo");
763 snprintf (buf, sizeof (buf), "%s-directional Stream",
764 ctrl->cfg.test == VCL_TEST_TYPE_BI ? "Bi" : "Uni");
768 vtc_echo_client (vcl_test_client_main_t * vcm)
770 vcl_test_session_t *ctrl = &vcm->ctrl_session;
771 vcl_test_cfg_t *cfg = &ctrl->cfg;
774 cfg->total_bytes = strlen (ctrl->txbuf) + 1;
775 memset (&ctrl->stats, 0, sizeof (ctrl->stats));
777 rv = ctrl->write (ctrl, ctrl->txbuf, cfg->total_bytes);
780 vtwrn ("vppcom_test_write (%d) failed ", ctrl->fd);
784 (void) ctrl->read (ctrl, ctrl->rxbuf, ctrl->rxbuf_size);
788 vtc_stream_client (vcl_test_client_main_t * vcm)
790 vcl_test_session_t *ctrl = &vcm->ctrl_session;
791 vcl_test_cfg_t *cfg = &ctrl->cfg;
792 vcl_test_client_worker_t *wrk;
793 uint32_t i, n_conn, n_conn_per_wrk;
795 vtinf ("%s-directional Stream Test Starting!",
796 ctrl->cfg.test == VCL_TEST_TYPE_BI ? "Bi" : "Uni");
798 memset (&ctrl->stats, 0, sizeof (vcl_test_stats_t));
799 cfg->total_bytes = cfg->num_writes * cfg->txbuf_size;
800 cfg->ctrl_handle = ctrl->fd;
802 n_conn = cfg->num_test_sessions;
803 n_conn_per_wrk = n_conn / vcm->n_workers;
804 for (i = 0; i < vcm->n_workers; i++)
806 wrk = &vcm->workers[i];
808 wrk->cfg = ctrl->cfg;
809 wrk->cfg.num_test_sessions = vtc_min (n_conn_per_wrk, n_conn);
810 n_conn -= wrk->cfg.num_test_sessions;
813 vcm->test_running = 1;
814 ctrl->cfg.cmd = VCL_TEST_CMD_START;
815 if (vtc_cfg_sync (ctrl))
817 vtwrn ("test cfg sync failed -- aborting!");
821 for (i = 1; i < vcm->n_workers; i++)
823 wrk = &vcm->workers[i];
824 if (pthread_create (&wrk->thread_handle, NULL, vtc_worker_loop,
827 vtwrn ("pthread_create failed -- aborting!");
831 vtc_worker_loop (&vcm->workers[0]);
833 while (vcm->active_workers > 0)
836 vtinf ("Sending config on ctrl session (fd %d) for stats...", ctrl->fd);
837 ctrl->cfg.cmd = VCL_TEST_CMD_STOP;
838 if (vtc_cfg_sync (ctrl))
840 vtwrn ("test cfg sync failed -- aborting!");
844 vtc_print_stats (ctrl);
846 ctrl->cfg.cmd = VCL_TEST_CMD_SYNC;
847 ctrl->cfg.test = VCL_TEST_TYPE_ECHO;
848 ctrl->cfg.total_bytes = 0;
849 if (vtc_cfg_sync (ctrl))
850 vtwrn ("post-test cfg sync failed!");
854 cfg_txbuf_size_set (void)
856 vcl_test_client_main_t *vcm = &vcl_client_main;
857 vcl_test_session_t *ctrl = &vcm->ctrl_session;
858 char *p = ctrl->txbuf + strlen (VCL_TEST_TOKEN_TXBUF_SIZE);
859 uint64_t txbuf_size = strtoull ((const char *) p, NULL, 10);
861 if (txbuf_size >= VCL_TEST_CFG_BUF_SIZE_MIN)
863 ctrl->cfg.txbuf_size = txbuf_size;
864 ctrl->cfg.total_bytes = ctrl->cfg.num_writes * ctrl->cfg.txbuf_size;
865 vcl_test_buf_alloc (&ctrl->cfg, 0 /* is_rxbuf */ ,
866 (uint8_t **) & ctrl->txbuf, &ctrl->txbuf_size);
867 vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
870 vtwrn ("Invalid txbuf size (%lu) < minimum buf size (%u)!",
871 txbuf_size, VCL_TEST_CFG_BUF_SIZE_MIN);
875 cfg_num_writes_set (void)
877 vcl_test_client_main_t *vcm = &vcl_client_main;
878 vcl_test_session_t *ctrl = &vcm->ctrl_session;
879 char *p = ctrl->txbuf + strlen (VCL_TEST_TOKEN_NUM_WRITES);
880 uint32_t num_writes = strtoul ((const char *) p, NULL, 10);
884 ctrl->cfg.num_writes = num_writes;
885 ctrl->cfg.total_bytes = ctrl->cfg.num_writes * ctrl->cfg.txbuf_size;
886 vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
890 vtwrn ("invalid num writes: %u", num_writes);
895 cfg_num_test_sessions_set (void)
897 vcl_test_client_main_t *vcm = &vcl_client_main;
898 vcl_test_session_t *ctrl = &vcm->ctrl_session;
899 char *p = ctrl->txbuf + strlen (VCL_TEST_TOKEN_NUM_TEST_SESS);
900 uint32_t num_test_sessions = strtoul ((const char *) p, NULL, 10);
902 if ((num_test_sessions > 0) &&
903 (num_test_sessions <= VCL_TEST_CFG_MAX_TEST_SESS))
905 ctrl->cfg.num_test_sessions = num_test_sessions;
906 vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
910 vtwrn ("invalid num test sessions: %u, (%d max)",
911 num_test_sessions, VCL_TEST_CFG_MAX_TEST_SESS);
916 cfg_rxbuf_size_set (void)
918 vcl_test_client_main_t *vcm = &vcl_client_main;
919 vcl_test_session_t *ctrl = &vcm->ctrl_session;
920 char *p = ctrl->txbuf + strlen (VCL_TEST_TOKEN_RXBUF_SIZE);
921 uint64_t rxbuf_size = strtoull ((const char *) p, NULL, 10);
923 if (rxbuf_size >= VCL_TEST_CFG_BUF_SIZE_MIN)
925 ctrl->cfg.rxbuf_size = rxbuf_size;
926 vcl_test_buf_alloc (&ctrl->cfg, 1 /* is_rxbuf */ ,
927 (uint8_t **) & ctrl->rxbuf, &ctrl->rxbuf_size);
928 vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
931 vtwrn ("Invalid rxbuf size (%lu) < minimum buf size (%u)!",
932 rxbuf_size, VCL_TEST_CFG_BUF_SIZE_MIN);
936 cfg_verbose_toggle (void)
938 vcl_test_client_main_t *vcm = &vcl_client_main;
939 vcl_test_session_t *ctrl = &vcm->ctrl_session;
941 ctrl->cfg.verbose = ctrl->cfg.verbose ? 0 : 1;
942 vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
949 vcl_test_client_main_t *vcm = &vcl_client_main;
950 vcl_test_session_t *ctrl = &vcm->ctrl_session;
951 vcl_test_t rv = VCL_TEST_TYPE_NONE;
953 if (!strncmp (VCL_TEST_TOKEN_EXIT, ctrl->txbuf,
954 strlen (VCL_TEST_TOKEN_EXIT)))
955 rv = VCL_TEST_TYPE_EXIT;
957 else if (!strncmp (VCL_TEST_TOKEN_HELP, ctrl->txbuf,
958 strlen (VCL_TEST_TOKEN_HELP)))
961 else if (!strncmp (VCL_TEST_TOKEN_SHOW_CFG, ctrl->txbuf,
962 strlen (VCL_TEST_TOKEN_SHOW_CFG)))
965 else if (!strncmp (VCL_TEST_TOKEN_VERBOSE, ctrl->txbuf,
966 strlen (VCL_TEST_TOKEN_VERBOSE)))
967 cfg_verbose_toggle ();
969 else if (!strncmp (VCL_TEST_TOKEN_TXBUF_SIZE, ctrl->txbuf,
970 strlen (VCL_TEST_TOKEN_TXBUF_SIZE)))
971 cfg_txbuf_size_set ();
973 else if (!strncmp (VCL_TEST_TOKEN_NUM_TEST_SESS, ctrl->txbuf,
974 strlen (VCL_TEST_TOKEN_NUM_TEST_SESS)))
975 cfg_num_test_sessions_set ();
977 else if (!strncmp (VCL_TEST_TOKEN_NUM_WRITES, ctrl->txbuf,
978 strlen (VCL_TEST_TOKEN_NUM_WRITES)))
979 cfg_num_writes_set ();
981 else if (!strncmp (VCL_TEST_TOKEN_RXBUF_SIZE, ctrl->txbuf,
982 strlen (VCL_TEST_TOKEN_RXBUF_SIZE)))
983 cfg_rxbuf_size_set ();
985 else if (!strncmp (VCL_TEST_TOKEN_RUN_UNI, ctrl->txbuf,
986 strlen (VCL_TEST_TOKEN_RUN_UNI)))
987 rv = ctrl->cfg.test = VCL_TEST_TYPE_UNI;
989 else if (!strncmp (VCL_TEST_TOKEN_RUN_BI, ctrl->txbuf,
990 strlen (VCL_TEST_TOKEN_RUN_BI)))
991 rv = ctrl->cfg.test = VCL_TEST_TYPE_BI;
994 rv = VCL_TEST_TYPE_ECHO;
1000 print_usage_and_exit (void)
1004 "vcl_test_client [OPTIONS] <ipaddr> <port>\n"
1006 " -h Print this message and exit.\n"
1008 " -c Print test config before test.\n"
1009 " -w <dir> Write test results to <dir>.\n"
1010 " -X Exit after running test.\n"
1011 " -p <proto> Use <proto> transport layer\n"
1012 " -D Use UDP transport layer\n"
1013 " -L Use TLS transport layer\n"
1014 " -E Run Echo test.\n"
1015 " -N <num-writes> Test Cfg: number of writes.\n"
1016 " -R <rxbuf-size> Test Cfg: rx buffer size.\n"
1017 " -T <txbuf-size> Test Cfg: tx buffer size.\n"
1018 " -U Run Uni-directional test.\n"
1019 " -B Run Bi-directional test.\n"
1020 " -b <bytes> Total number of bytes transferred\n"
1021 " -V Verbose mode.\n"
1022 " -I <N> Use N sessions.\n"
1023 " -s <N> Use N sessions.\n"
1024 " -S Print incremental stats per session.\n"
1025 " -q <n> QUIC : use N Ssessions on top of n Qsessions\n");
1030 vtc_process_opts (vcl_test_client_main_t * vcm, int argc, char **argv)
1032 vcl_test_session_t *ctrl = &vcm->ctrl_session;
1036 while ((c = getopt (argc, argv, "chnp:w:xXE:I:N:R:T:b:UBV6DLs:q:S")) != -1)
1043 case 'I': /* deprecated */
1045 if (sscanf (optarg, "0x%x", &ctrl->cfg.num_test_sessions) != 1)
1046 if (sscanf (optarg, "%u", &ctrl->cfg.num_test_sessions) != 1)
1048 vtwrn ("Invalid value for option -%c!", c);
1049 print_usage_and_exit ();
1051 if (!ctrl->cfg.num_test_sessions ||
1052 (ctrl->cfg.num_test_sessions > VCL_TEST_CFG_MAX_TEST_SESS))
1054 vtwrn ("Invalid number of sessions (%d) specified for option -%c!"
1055 "\n Valid range is 1 - %d",
1056 ctrl->cfg.num_test_sessions, c,
1057 VCL_TEST_CFG_MAX_TEST_SESS);
1058 print_usage_and_exit ();
1063 if (sscanf (optarg, "0x%x", &ctrl->cfg.num_test_sessions_perq) != 1)
1064 if (sscanf (optarg, "%u", &ctrl->cfg.num_test_sessions_perq) != 1)
1066 vtwrn ("Invalid value for option -%c!", c);
1067 print_usage_and_exit ();
1069 if (!ctrl->cfg.num_test_sessions_perq ||
1070 (ctrl->cfg.num_test_sessions_perq > VCL_TEST_CFG_MAX_TEST_SESS))
1072 vtwrn ("Invalid number of Stream sessions (%d) per Qsession"
1073 "for option -%c!\nValid range is 1 - %d",
1074 ctrl->cfg.num_test_sessions_perq, c,
1075 VCL_TEST_CFG_MAX_TEST_SESS);
1076 print_usage_and_exit ();
1081 if (sscanf (optarg, "%d", &v) != 1)
1083 vtwrn ("Invalid value for option -%c!", c);
1084 print_usage_and_exit ();
1091 vcm->post_test = VCL_TEST_TYPE_EXIT;
1095 vcm->post_test = VCL_TEST_TYPE_NONE;
1099 if (strlen (optarg) > ctrl->txbuf_size)
1101 vtwrn ("Option -%c value larger than txbuf size (%d)!",
1102 optopt, ctrl->txbuf_size);
1103 print_usage_and_exit ();
1105 strncpy (ctrl->txbuf, optarg, ctrl->txbuf_size);
1106 ctrl->cfg.test = VCL_TEST_TYPE_ECHO;
1110 if (sscanf (optarg, "0x%lx", &ctrl->cfg.num_writes) != 1)
1111 if (sscanf (optarg, "%ld", &ctrl->cfg.num_writes) != 1)
1113 vtwrn ("Invalid value for option -%c!", c);
1114 print_usage_and_exit ();
1116 ctrl->cfg.total_bytes = ctrl->cfg.num_writes * ctrl->cfg.txbuf_size;
1120 if (sscanf (optarg, "0x%lx", &ctrl->cfg.rxbuf_size) != 1)
1121 if (sscanf (optarg, "%ld", &ctrl->cfg.rxbuf_size) != 1)
1123 vtwrn ("Invalid value for option -%c!", c);
1124 print_usage_and_exit ();
1126 if (ctrl->cfg.rxbuf_size >= VCL_TEST_CFG_BUF_SIZE_MIN)
1128 ctrl->rxbuf_size = ctrl->cfg.rxbuf_size;
1129 vcl_test_buf_alloc (&ctrl->cfg, 1 /* is_rxbuf */ ,
1130 (uint8_t **) & ctrl->rxbuf,
1135 vtwrn ("rxbuf size (%lu) less than minumum (%u)",
1136 ctrl->cfg.rxbuf_size, VCL_TEST_CFG_BUF_SIZE_MIN);
1137 print_usage_and_exit ();
1143 if (sscanf (optarg, "0x%lx", &ctrl->cfg.txbuf_size) != 1)
1144 if (sscanf (optarg, "%ld", &ctrl->cfg.txbuf_size) != 1)
1146 vtwrn ("Invalid value for option -%c!", c);
1147 print_usage_and_exit ();
1149 if (ctrl->cfg.txbuf_size >= VCL_TEST_CFG_BUF_SIZE_MIN)
1151 ctrl->txbuf_size = ctrl->cfg.txbuf_size;
1152 vcl_test_buf_alloc (&ctrl->cfg, 0 /* is_rxbuf */ ,
1153 (uint8_t **) & ctrl->txbuf,
1155 ctrl->cfg.total_bytes =
1156 ctrl->cfg.num_writes * ctrl->cfg.txbuf_size;
1160 vtwrn ("txbuf size (%lu) less than minumum (%u)!",
1161 ctrl->cfg.txbuf_size, VCL_TEST_CFG_BUF_SIZE_MIN);
1162 print_usage_and_exit ();
1166 if (sscanf (optarg, "0x%lu", &ctrl->cfg.total_bytes) != 1)
1167 if (sscanf (optarg, "%ld", &ctrl->cfg.total_bytes) != 1)
1169 vtwrn ("Invalid value for option -%c!", c);
1170 print_usage_and_exit ();
1172 if (ctrl->cfg.total_bytes % ctrl->cfg.txbuf_size)
1174 vtwrn ("total bytes must be mutliple of txbuf size(0x%lu)!",
1175 ctrl->cfg.txbuf_size);
1176 print_usage_and_exit ();
1178 ctrl->cfg.num_writes = ctrl->cfg.total_bytes / ctrl->cfg.txbuf_size;
1182 ctrl->cfg.test = VCL_TEST_TYPE_UNI;
1186 ctrl->cfg.test = VCL_TEST_TYPE_BI;
1190 ctrl->cfg.verbose = 1;
1194 ctrl->cfg.address_ip6 = 1;
1198 if (vppcom_unformat_proto (&vcm->proto, optarg))
1199 vtwrn ("Invalid vppcom protocol %s, defaulting to TCP", optarg);
1202 case 'D': /* deprecated */
1203 vcm->proto = VPPCOM_PROTO_UDP;
1206 case 'L': /* deprecated */
1207 vcm->proto = VPPCOM_PROTO_TLS;
1211 vcm->incremental_stats = 1;
1218 case 'I': /* deprecated */
1225 vtwrn ("Option -%c requires an argument.", optopt);
1229 if (isprint (optopt))
1230 vtwrn ("Unknown option `-%c'.", optopt);
1232 vtwrn ("Unknown option character `\\x%x'.", optopt);
1237 print_usage_and_exit ();
1240 if (argc > (optind + 2))
1242 vtwrn ("Invalid number of arguments!");
1243 print_usage_and_exit ();
1246 ctrl->cfg.num_test_qsessions = vcm->proto != VPPCOM_PROTO_QUIC ? 0 :
1247 (ctrl->cfg.num_test_sessions + ctrl->cfg.num_test_sessions_perq - 1) /
1248 ctrl->cfg.num_test_sessions_perq;
1250 memset (&vcm->server_addr, 0, sizeof (vcm->server_addr));
1251 if (ctrl->cfg.address_ip6)
1253 struct in6_addr *in6 = &vcm->server_addr.v6;
1254 inet_pton (AF_INET6, argv[optind++], in6);
1256 vcm->server_endpt.is_ip4 = 0;
1257 vcm->server_endpt.ip = (uint8_t *) in6;
1261 struct in_addr *in4 = &vcm->server_addr.v4;
1262 inet_pton (AF_INET, argv[optind++], in4);
1264 vcm->server_endpt.is_ip4 = 1;
1265 vcm->server_endpt.ip = (uint8_t *) in4;
1268 if (argc == optind + 1)
1269 vcm->server_endpt.port = htons (atoi (argv[optind]));
1271 vcm->server_endpt.port = htons (VCL_TEST_SERVER_PORT);
1275 vtc_read_user_input (vcl_test_session_t * ctrl)
1277 printf ("\nType some characters and hit <return>\n"
1278 "('" VCL_TEST_TOKEN_HELP "' for help): ");
1280 if (fgets (ctrl->txbuf, ctrl->txbuf_size, stdin) != NULL)
1282 if (strlen (ctrl->txbuf) == 1)
1284 printf ("\nNothing to send! Please try again...\n");
1287 ctrl->txbuf[strlen (ctrl->txbuf) - 1] = 0; // chomp the newline.
1289 /* Parse input for keywords */
1290 ctrl->cfg.test = parse_input ();
1295 vtc_ctrl_session_exit (void)
1297 vcl_test_client_main_t *vcm = &vcl_client_main;
1298 vcl_test_session_t *ctrl = &vcm->ctrl_session;
1299 int verbose = ctrl->cfg.verbose;
1301 /* Only clients exits, server can accept new connections */
1302 if (vcm->post_test == VCL_TEST_TYPE_EXIT_CLIENT)
1305 ctrl->cfg.test = VCL_TEST_TYPE_EXIT;
1306 vtinf ("(fd %d): Sending exit cfg to server...", ctrl->fd);
1308 vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */);
1309 (void) vcl_test_write (ctrl, (uint8_t *) &ctrl->cfg, sizeof (ctrl->cfg));
1314 vtc_ctrl_session_init (vcl_test_client_main_t *vcm, vcl_test_session_t *ctrl)
1318 ctrl->fd = vppcom_session_create (VPPCOM_PROTO_TCP, 0 /* is_nonblocking */);
1321 vterr ("vppcom_session_create()", ctrl->fd);
1325 vtinf ("Connecting to server...");
1326 rv = vppcom_session_connect (ctrl->fd, &vcm->server_endpt);
1329 vterr ("vppcom_session_connect()", rv);
1332 vtinf ("Control session (fd %d) connected.", ctrl->fd);
1334 ctrl->read = vcl_test_read;
1335 ctrl->write = vcl_test_write;
1337 ctrl->cfg.cmd = VCL_TEST_CMD_SYNC;
1338 rv = vtc_cfg_sync (ctrl);
1341 vterr ("vtc_cfg_sync()", rv);
1345 ctrl->cfg.ctrl_handle = ((vcl_test_cfg_t *) ctrl->rxbuf)->ctrl_handle;
1346 memset (&ctrl->stats, 0, sizeof (ctrl->stats));
1352 vt_sigs_handler (int signum, siginfo_t *si, void *uc)
1354 vcl_test_client_main_t *vcm = &vcl_client_main;
1355 vcl_test_session_t *ctrl = &vcm->ctrl_session;
1357 vcm->test_running = 0;
1358 clock_gettime (CLOCK_REALTIME, &ctrl->stats.stop);
1362 vt_incercept_sigs (void)
1364 struct sigaction sa;
1366 memset (&sa, 0, sizeof (sa));
1367 sa.sa_sigaction = vt_sigs_handler;
1368 sa.sa_flags = SA_SIGINFO;
1369 if (sigaction (SIGINT, &sa, 0))
1371 vtwrn ("couldn't intercept sigint");
1377 vtc_alloc_workers (vcl_test_client_main_t *vcm)
1379 vcl_test_main_t *vt = &vcl_test_main;
1380 vtc_worker_run_fn *run_fn;
1382 vcm->workers = calloc (vcm->n_workers, sizeof (vcl_test_client_worker_t));
1383 vt->wrk = calloc (vcm->n_workers, sizeof (vcl_test_wrk_t));
1385 if (vcm->ctrl_session.cfg.num_test_sessions > VCL_TEST_CFG_MAX_SELECT_SESS)
1386 run_fn = vtc_worker_run_epoll;
1388 run_fn = vtc_worker_run_select;
1390 for (int i = 0; i < vcm->n_workers; i++)
1391 vcm->workers[i].wrk_run_fn = run_fn;
1395 main (int argc, char **argv)
1397 vcl_test_client_main_t *vcm = &vcl_client_main;
1398 vcl_test_session_t *ctrl = &vcm->ctrl_session;
1399 vcl_test_main_t *vt = &vcl_test_main;
1403 vcm->post_test = VCL_TEST_TYPE_EXIT_CLIENT;
1405 vcl_test_cfg_init (&ctrl->cfg);
1406 vt_incercept_sigs ();
1407 vcl_test_session_buf_alloc (ctrl);
1408 vtc_process_opts (vcm, argc, argv);
1410 vtc_alloc_workers (vcm);
1412 rv = vppcom_app_create ("vcl_test_client");
1414 vtfail ("vppcom_app_create()", rv);
1416 /* Protos like tls/dtls/quic need init */
1417 if (vt->protos[vcm->proto]->init)
1419 rv = vt->protos[vcm->proto]->init (&ctrl->cfg);
1421 vtfail ("client init failed", rv);
1424 if ((rv = vtc_ctrl_session_init (vcm, ctrl)))
1425 vtfail ("vppcom_session_create() ctrl session", rv);
1427 /* Update ctrl port to data port */
1428 vcm->server_endpt.port += 1;
1430 while (ctrl->cfg.test != VCL_TEST_TYPE_EXIT)
1434 vcl_test_cfg_dump (&ctrl->cfg, 1 /* is_client */ );
1438 switch (ctrl->cfg.test)
1440 case VCL_TEST_TYPE_ECHO:
1441 vtc_echo_client (vcm);
1444 case VCL_TEST_TYPE_UNI:
1445 case VCL_TEST_TYPE_BI:
1446 vtc_stream_client (vcm);
1449 case VCL_TEST_TYPE_EXIT:
1452 case VCL_TEST_TYPE_NONE:
1456 switch (vcm->post_test)
1458 case VCL_TEST_TYPE_EXIT:
1459 case VCL_TEST_TYPE_EXIT_CLIENT:
1460 switch (ctrl->cfg.test)
1462 case VCL_TEST_TYPE_EXIT:
1463 case VCL_TEST_TYPE_UNI:
1464 case VCL_TEST_TYPE_BI:
1465 case VCL_TEST_TYPE_ECHO:
1466 ctrl->cfg.test = VCL_TEST_TYPE_EXIT;
1469 case VCL_TEST_TYPE_NONE:
1475 case VCL_TEST_TYPE_NONE:
1476 case VCL_TEST_TYPE_ECHO:
1477 case VCL_TEST_TYPE_UNI:
1478 case VCL_TEST_TYPE_BI:
1483 memset (ctrl->txbuf, 0, ctrl->txbuf_size);
1484 memset (ctrl->rxbuf, 0, ctrl->rxbuf_size);
1486 vtc_read_user_input (ctrl);
1489 vtc_ctrl_session_exit ();
1490 vppcom_app_destroy ();
1491 free (vcm->workers);
1496 * fd.io coding-style-patch-verification: ON
1499 * eval: (c-set-style "gnu")