2 * Copyright (c) 2017-2019 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.
18 #include <sys/types.h>
19 #include <sys/socket.h>
26 #include <hs_apps/vcl/vcl_test.h>
27 #include <sys/epoll.h>
28 #include <vppinfra/mem.h>
38 vcl_test_stats_t stats;
41 vppcom_data_segment_t ds[2];
42 } vcl_test_server_conn_t;
51 } vcl_test_server_cfg_t;
58 struct epoll_event wait_events[VCL_TEST_CFG_MAX_EPOLL_EVENTS];
59 size_t conn_pool_size;
60 vcl_test_server_conn_t *conn_pool;
62 pthread_t thread_handle;
63 } vcl_test_server_worker_t;
67 vcl_test_server_cfg_t cfg;
68 vcl_test_server_worker_t *workers;
70 struct sockaddr_storage servaddr;
71 volatile int worker_fails;
72 volatile int active_workers;
74 } vcl_test_server_main_t;
76 static __thread int __wrk_index = 0;
78 static vcl_test_server_main_t vcl_server_main;
81 conn_pool_expand (vcl_test_server_worker_t * wrk, size_t expand_size)
83 vcl_test_server_conn_t *conn_pool;
84 size_t new_size = wrk->conn_pool_size + expand_size;
87 conn_pool = realloc (wrk->conn_pool, new_size * sizeof (*wrk->conn_pool));
90 for (i = wrk->conn_pool_size; i < new_size; i++)
92 vcl_test_server_conn_t *conn = &conn_pool[i];
93 memset (conn, 0, sizeof (*conn));
94 vcl_test_cfg_init (&conn->cfg);
95 vcl_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */ ,
96 &conn->buf, &conn->buf_size);
97 conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
100 wrk->conn_pool = conn_pool;
101 wrk->conn_pool_size = new_size;
105 vterr ("conn_pool_expand()", -errno);
109 static inline vcl_test_server_conn_t *
110 conn_pool_alloc (vcl_test_server_worker_t * wrk)
115 for (i = 0; i < wrk->conn_pool_size; i++)
117 if (!wrk->conn_pool[i].is_alloc)
119 wrk->conn_pool[i].endpt.ip = wrk->conn_pool[i].ip;
120 wrk->conn_pool[i].is_alloc = 1;
121 return (&wrk->conn_pool[i]);
127 conn_pool_expand (wrk, 2 * wrk->conn_pool_size);
131 vtwrn ("Failed to allocate connection even after expand");
136 conn_pool_free (vcl_test_server_conn_t * conn)
143 sync_config_and_reply (vcl_test_server_conn_t * conn, vcl_test_cfg_t * rx_cfg)
146 vcl_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */ ,
147 &conn->buf, &conn->buf_size);
148 conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
150 if (conn->cfg.verbose)
152 vtinf ("(fd %d): Replying to cfg message!\n", conn->fd);
153 vcl_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
155 (void) vcl_test_write (conn->fd, (uint8_t *) & conn->cfg,
156 sizeof (conn->cfg), NULL, conn->cfg.verbose);
160 vts_server_start_stop (vcl_test_server_worker_t * wrk,
161 vcl_test_server_conn_t * conn, vcl_test_cfg_t * rx_cfg)
163 u8 is_bi = rx_cfg->test == VCL_TEST_TYPE_BI;
164 vcl_test_server_conn_t *tc;
168 if (rx_cfg->ctrl_handle == conn->fd)
170 for (i = 0; i < wrk->conn_pool_size; i++)
172 tc = &wrk->conn_pool[i];
173 if (tc->cfg.ctrl_handle != conn->fd)
176 vcl_test_stats_accumulate (&conn->stats, &tc->stats);
177 if (vcl_comp_tspec (&conn->stats.stop, &tc->stats.stop) < 0)
178 conn->stats.stop = tc->stats.stop;
179 /* Client delays sending of disconnect */
180 conn->stats.stop.tv_sec -= VCL_TEST_DELAY_DISCONNECT;
181 if (conn->cfg.verbose)
183 snprintf (buf, sizeof (buf), "SERVER (fd %d) RESULTS", tc->fd);
184 vcl_test_stats_dump (buf, &tc->stats, 1 /* show_rx */ ,
185 is_bi /* show tx */ , conn->cfg.verbose);
189 vcl_test_stats_dump ("SERVER RESULTS", &conn->stats, 1 /* show_rx */ ,
190 is_bi /* show_tx */ , conn->cfg.verbose);
191 vcl_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
192 if (conn->cfg.verbose)
194 vtinf (" vcl server main\n"
195 VCL_TEST_SEPARATOR_STRING
197 " buf size: %u (0x%08x)\n"
198 VCL_TEST_SEPARATOR_STRING,
199 conn->buf, conn->buf_size, conn->buf_size);
202 sync_config_and_reply (conn, rx_cfg);
203 memset (&conn->stats, 0, sizeof (conn->stats));
207 if (rx_cfg->ctrl_handle == ~0)
209 rx_cfg->ctrl_handle = conn->fd;
210 vtinf ("Set control fd %d for test!", conn->fd);
214 vtinf ("Starting %s-directional Stream Test (fd %d)!",
215 is_bi ? "Bi" : "Uni", conn->fd);
218 sync_config_and_reply (conn, rx_cfg);
220 /* read the 1st chunk, record start time */
221 memset (&conn->stats, 0, sizeof (conn->stats));
222 clock_gettime (CLOCK_REALTIME, &conn->stats.start);
227 vts_server_rx (vcl_test_server_conn_t * conn, int rx_bytes)
229 vcl_test_server_main_t *vsm = &vcl_server_main;
230 int client_fd = conn->fd;
232 if (conn->cfg.test == VCL_TEST_TYPE_BI)
236 (void) vcl_test_write (client_fd, conn->ds[0].data, conn->ds[0].len,
237 &conn->stats, conn->cfg.verbose);
239 (void) vcl_test_write (client_fd, conn->ds[1].data,
240 conn->ds[1].len, &conn->stats,
244 (void) vcl_test_write (client_fd, conn->buf, rx_bytes, &conn->stats,
249 vppcom_session_free_segments (conn->fd, rx_bytes);
251 if (conn->stats.rx_bytes >= conn->cfg.total_bytes)
252 clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
256 vts_copy_ds (void *buf, vppcom_data_segment_t * ds, u32 max_bytes)
258 uint32_t n_bytes = 0, ds_idx = 0, to_copy;
260 while (n_bytes < max_bytes)
262 to_copy = clib_min (ds[ds_idx].len, max_bytes - n_bytes);
263 clib_memcpy_fast (buf + n_bytes, ds[ds_idx].data, to_copy);
270 vts_server_echo (vcl_test_server_conn_t * conn, int rx_bytes)
272 vcl_test_server_main_t *vsm = &vcl_server_main;
273 int tx_bytes, nbytes, pos;
276 vts_copy_ds (conn->buf, conn->ds, rx_bytes);
278 /* If it looks vaguely like a string, make sure it's terminated */
279 pos = rx_bytes < conn->buf_size ? rx_bytes : conn->buf_size - 1;
280 ((char *) conn->buf)[pos] = 0;
281 vtinf ("(fd %d): RX (%d bytes) - '%s'", conn->fd, rx_bytes, conn->buf);
283 if (conn->cfg.verbose)
284 vtinf ("(fd %d): Echoing back", conn->fd);
286 nbytes = strlen ((const char *) conn->buf) + 1;
287 tx_bytes = vcl_test_write (conn->fd, conn->buf, nbytes, &conn->stats,
290 vtinf ("(fd %d): TX (%d bytes) - '%s'", conn->fd, tx_bytes, conn->buf);
294 vts_new_client (vcl_test_server_worker_t * wrk, int listen_fd)
296 vcl_test_server_conn_t *conn;
297 struct epoll_event ev;
300 conn = conn_pool_alloc (wrk);
303 vtwrn ("No free connections!");
307 client_fd = vppcom_session_accept (listen_fd, &conn->endpt, 0);
310 vterr ("vppcom_session_accept()", client_fd);
313 conn->fd = client_fd;
315 vtinf ("Got a connection -- fd = %d (0x%08x) on listener fd = %d (0x%08x)",
316 client_fd, client_fd, listen_fd, listen_fd);
319 ev.data.u64 = conn - wrk->conn_pool;
320 rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, client_fd, &ev);
323 vterr ("vppcom_epoll_ctl()", rv);
330 print_usage_and_exit (void)
333 "vcl_test_server [OPTIONS] <port>\n"
335 " -h Print this message and exit.\n"
337 " -w <num> Number of workers\n"
338 " -p <PROTO> Use <PROTO> transport layer\n"
339 " -D Use UDP transport layer\n"
340 " -L Use TLS transport layer\n");
345 vcl_test_init_endpoint_addr (vcl_test_server_main_t * vsm)
347 struct sockaddr_storage *servaddr = &vsm->servaddr;
348 memset (servaddr, 0, sizeof (*servaddr));
350 if (vsm->cfg.address_ip6)
352 struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) servaddr;
353 server_addr->sin6_family = AF_INET6;
354 server_addr->sin6_addr = in6addr_any;
355 server_addr->sin6_port = htons (vsm->cfg.port);
359 struct sockaddr_in *server_addr = (struct sockaddr_in *) servaddr;
360 server_addr->sin_family = AF_INET;
361 server_addr->sin_addr.s_addr = htonl (INADDR_ANY);
362 server_addr->sin_port = htons (vsm->cfg.port);
365 if (vsm->cfg.address_ip6)
367 struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) servaddr;
368 vsm->cfg.endpt.is_ip4 = 0;
369 vsm->cfg.endpt.ip = (uint8_t *) & server_addr->sin6_addr;
370 vsm->cfg.endpt.port = (uint16_t) server_addr->sin6_port;
374 struct sockaddr_in *server_addr = (struct sockaddr_in *) servaddr;
375 vsm->cfg.endpt.is_ip4 = 1;
376 vsm->cfg.endpt.ip = (uint8_t *) & server_addr->sin_addr;
377 vsm->cfg.endpt.port = (uint16_t) server_addr->sin_port;
382 vcl_test_server_process_opts (vcl_test_server_main_t * vsm, int argc,
387 vsm->cfg.proto = VPPCOM_PROTO_TCP;
390 while ((c = getopt (argc, argv, "6DLsw:hp:")) != -1)
394 vsm->cfg.address_ip6 = 1;
398 if (vppcom_unformat_proto (&vsm->cfg.proto, optarg))
399 vtwrn ("Invalid vppcom protocol %s, defaulting to TCP", optarg);
403 vsm->cfg.proto = VPPCOM_PROTO_UDP;
407 vsm->cfg.proto = VPPCOM_PROTO_TLS;
413 vsm->cfg.workers = v;
415 vtwrn ("Invalid number of workers %d", v);
425 vtwrn ("Option `-%c' requires an argument.", optopt);
428 if (isprint (optopt))
429 vtwrn ("Unknown option `-%c'.", optopt);
431 vtwrn ("Unknown option character `\\x%x'.", optopt);
436 print_usage_and_exit ();
439 if (argc < (optind + 1))
441 fprintf (stderr, "SERVER: ERROR: Insufficient number of arguments!\n");
442 print_usage_and_exit ();
445 if (sscanf (argv[optind], "%d", &v) == 1)
446 vsm->cfg.port = (uint16_t) v;
449 fprintf (stderr, "SERVER: ERROR: Invalid port (%s)!\n", argv[optind]);
450 print_usage_and_exit ();
453 vcl_test_init_endpoint_addr (vsm);
457 vts_clean_connected_listeners (vcl_test_server_worker_t * wrk,
460 if ((vppcom_session_n_accepted (listener_fd) == 0) &
461 vppcom_session_is_connectable_listener (listener_fd))
463 vtinf ("Connected Listener fd %x has no more sessions", listener_fd);
464 vppcom_session_close (listener_fd);
470 vts_handle_cfg (vcl_test_server_worker_t * wrk, vcl_test_cfg_t * rx_cfg,
471 vcl_test_server_conn_t * conn, int rx_bytes)
476 vtinf ("(fd %d): Received a cfg msg!", conn->fd);
477 vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
480 if (rx_bytes != sizeof (*rx_cfg))
482 vtinf ("(fd %d): Invalid cfg msg size %d expected %lu!", conn->fd,
483 rx_bytes, sizeof (*rx_cfg));
484 conn->cfg.rxbuf_size = 0;
485 conn->cfg.num_writes = 0;
486 if (conn->cfg.verbose)
488 vtinf ("(fd %d): Replying to cfg msg", conn->fd);
489 vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
491 vcl_test_write (conn->fd, (uint8_t *) & conn->cfg,
492 sizeof (conn->cfg), NULL, conn->cfg.verbose);
496 switch (rx_cfg->test)
498 case VCL_TEST_TYPE_NONE:
499 case VCL_TEST_TYPE_ECHO:
500 sync_config_and_reply (conn, rx_cfg);
503 case VCL_TEST_TYPE_BI:
504 case VCL_TEST_TYPE_UNI:
505 vts_server_start_stop (wrk, conn, rx_cfg);
508 case VCL_TEST_TYPE_EXIT:
509 vtinf ("Session fd %d closing!", conn->fd);
510 clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
511 listener_fd = vppcom_session_listener (conn->fd);
512 vppcom_session_close (conn->fd);
513 conn_pool_free (conn);
515 vts_clean_connected_listeners (wrk, listener_fd);
519 vtwrn ("Unknown test type %d", rx_cfg->test);
520 vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
528 vts_worker_init (vcl_test_server_worker_t * wrk)
530 vcl_test_server_main_t *vsm = &vcl_server_main;
531 struct epoll_event listen_ev;
534 __wrk_index = wrk->wrk_index;
536 vtinf ("Initializing worker ...");
538 conn_pool_expand (wrk, VCL_TEST_CFG_MAX_TEST_SESS + 1);
540 if (vppcom_worker_register ())
541 vtfail ("vppcom_worker_register()", 1);
543 wrk->listen_fd = vppcom_session_create (vsm->cfg.proto,
544 0 /* is_nonblocking */ );
545 if (wrk->listen_fd < 0)
546 vtfail ("vppcom_session_create()", wrk->listen_fd);
548 if (vsm->cfg.proto == VPPCOM_PROTO_UDP)
550 vppcom_session_attr (wrk->listen_fd, VPPCOM_ATTR_SET_CONNECTED, 0, 0);
553 if (vsm->cfg.proto == VPPCOM_PROTO_TLS ||
554 vsm->cfg.proto == VPPCOM_PROTO_QUIC ||
555 vsm->cfg.proto == VPPCOM_PROTO_DTLS)
557 vppcom_cert_key_pair_t ckpair;
561 vtinf ("Adding tls certs ...");
562 ckpair.cert = vcl_test_crt_rsa;
563 ckpair.key = vcl_test_key_rsa;
564 ckpair.cert_len = vcl_test_crt_rsa_len;
565 ckpair.key_len = vcl_test_key_rsa_len;
566 ckp_index = vppcom_add_cert_key_pair (&ckpair);
568 vtfail ("vppcom_add_cert_key_pair()", ckp_index);
570 ckp_len = sizeof (ckp_index);
571 vppcom_session_attr (wrk->listen_fd, VPPCOM_ATTR_SET_CKPAIR, &ckp_index,
575 rv = vppcom_session_bind (wrk->listen_fd, &vsm->cfg.endpt);
577 vtfail ("vppcom_session_bind()", rv);
579 if (!(vsm->cfg.proto == VPPCOM_PROTO_UDP))
581 rv = vppcom_session_listen (wrk->listen_fd, 10);
583 vtfail ("vppcom_session_listen()", rv);
586 wrk->epfd = vppcom_epoll_create ();
588 vtfail ("vppcom_epoll_create()", wrk->epfd);
590 listen_ev.events = EPOLLIN;
591 listen_ev.data.u32 = ~0;
592 rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, wrk->listen_fd,
595 vtfail ("vppcom_epoll_ctl", rv);
597 vsm->active_workers += 1;
598 vtinf ("Waiting for a client to connect on port %d ...", vsm->cfg.port);
602 vts_conn_expect_config (vcl_test_server_conn_t * conn)
604 if (conn->cfg.test == VCL_TEST_TYPE_ECHO)
607 return (conn->stats.rx_bytes < 128
608 || conn->stats.rx_bytes > conn->cfg.total_bytes);
611 static vcl_test_cfg_t *
612 vts_conn_read_config (vcl_test_server_conn_t * conn)
614 vcl_test_server_main_t *vsm = &vcl_server_main;
618 /* We could avoid the copy if the first segment is big enough but this
619 * just simplifies things */
620 vts_copy_ds (conn->buf, conn->ds, sizeof (vcl_test_cfg_t));
622 return (vcl_test_cfg_t *) conn->buf;
626 vts_conn_read (vcl_test_server_conn_t * conn)
628 vcl_test_server_main_t *vsm = &vcl_server_main;
630 return vcl_test_read_ds (conn->fd, conn->ds, &conn->stats);
632 return vcl_test_read (conn->fd, conn->buf, conn->buf_size, &conn->stats);
636 vts_conn_has_ascii (vcl_test_server_conn_t * conn)
638 vcl_test_server_main_t *vsm = &vcl_server_main;
641 return isascii (conn->ds[0].data[0]);
643 return isascii (conn->buf[0]);
647 vts_worker_loop (void *arg)
649 vcl_test_server_main_t *vsm = &vcl_server_main;
650 vcl_test_server_worker_t *wrk = arg;
651 vcl_test_server_conn_t *conn;
652 int i, rx_bytes, num_ev, listener_fd;
653 vcl_test_cfg_t *rx_cfg;
656 vts_worker_init (wrk);
660 num_ev = vppcom_epoll_wait (wrk->epfd, wrk->wait_events,
661 VCL_TEST_CFG_MAX_EPOLL_EVENTS, 60000.0);
664 vterr ("vppcom_epoll_wait()", num_ev);
667 else if (num_ev == 0)
669 vtinf ("vppcom_epoll_wait() timeout!");
672 for (i = 0; i < num_ev; i++)
674 conn = &wrk->conn_pool[wrk->wait_events[i].data.u32];
675 if (wrk->wait_events[i].events & (EPOLLHUP | EPOLLRDHUP))
677 vtinf ("Closing session %d on HUP", conn->fd);
678 listener_fd = vppcom_session_listener (conn->fd);
679 vppcom_session_close (conn->fd);
681 vts_clean_connected_listeners (wrk, listener_fd);
684 vtinf ("All client connections closed\n");
689 if (wrk->wait_events[i].data.u32 == ~0)
691 vts_new_client (wrk, wrk->listen_fd);
694 else if (vppcom_session_is_connectable_listener (conn->fd))
696 vts_new_client (wrk, conn->fd);
700 if (EPOLLIN & wrk->wait_events[i].events)
703 rx_bytes = vts_conn_read (conn);
707 if (errno == ECONNRESET)
709 vtinf ("Connection reset by remote peer.\n");
716 if (vts_conn_expect_config (conn))
718 rx_cfg = vts_conn_read_config (conn);
719 if (rx_cfg->magic == VCL_TEST_CFG_CTRL_MAGIC)
722 vppcom_session_free_segments (conn->fd, rx_bytes);
723 vts_handle_cfg (wrk, rx_cfg, conn, rx_bytes);
726 vtinf ("All client connections closed\n");
732 if ((conn->cfg.test == VCL_TEST_TYPE_UNI)
733 || (conn->cfg.test == VCL_TEST_TYPE_BI))
735 vts_server_rx (conn, rx_bytes);
736 if (vppcom_session_attr (conn->fd, VPPCOM_ATTR_GET_NREAD, 0,
741 if (vts_conn_has_ascii (conn))
743 vts_server_echo (conn, rx_bytes);
747 vtwrn ("FIFO not drained! extra bytes %d", rx_bytes);
752 vtwrn ("Unhandled event");
759 vsm->worker_fails -= 1;
762 vppcom_session_close (wrk->listen_fd);
764 free (wrk->conn_pool);
765 vsm->active_workers -= 1;
770 main (int argc, char **argv)
772 vcl_test_server_main_t *vsm = &vcl_server_main;
775 clib_mem_init_thread_safe (0, 64 << 20);
776 vsm->cfg.port = VCL_TEST_SERVER_PORT;
777 vsm->cfg.workers = 1;
778 vsm->active_workers = 0;
779 vcl_test_server_process_opts (vsm, argc, argv);
781 rv = vppcom_app_create ("vcl_test_server");
783 vtfail ("vppcom_app_create()", rv);
785 vsm->workers = calloc (vsm->cfg.workers, sizeof (*vsm->workers));
786 vts_worker_init (&vsm->workers[0]);
787 for (i = 1; i < vsm->cfg.workers; i++)
789 vsm->workers[i].wrk_index = i;
790 rv = pthread_create (&vsm->workers[i].thread_handle, NULL,
791 vts_worker_loop, (void *) &vsm->workers[i]);
793 vts_worker_loop (&vsm->workers[0]);
795 while (vsm->active_workers > 0)
798 vppcom_app_destroy ();
801 return vsm->worker_fails;
805 * fd.io coding-style-patch-verification: ON
808 * eval: (c-set-style "gnu")