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_server_cfg_t;
45 struct epoll_event wait_events[VCL_TEST_CFG_MAX_EPOLL_EVENTS];
46 size_t conn_pool_size;
47 vcl_test_session_t *conn_pool;
49 pthread_t thread_handle;
50 } vcl_test_server_worker_t;
54 vcl_test_server_cfg_t cfg;
55 vcl_test_server_worker_t *workers;
57 vcl_test_session_t *ctrl;
59 struct sockaddr_storage servaddr;
60 volatile int worker_fails;
61 volatile int active_workers;
63 } vcl_test_server_main_t;
65 static __thread int __wrk_index = 0;
67 static vcl_test_server_main_t vcl_server_main;
70 conn_pool_expand (vcl_test_server_worker_t * wrk, size_t expand_size)
72 vcl_test_session_t *conn_pool;
73 size_t new_size = wrk->conn_pool_size + expand_size;
76 conn_pool = realloc (wrk->conn_pool, new_size * sizeof (*wrk->conn_pool));
79 for (i = wrk->conn_pool_size; i < new_size; i++)
81 vcl_test_session_t *conn = &conn_pool[i];
82 memset (conn, 0, sizeof (*conn));
83 vcl_test_cfg_init (&conn->cfg);
84 vcl_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */,
85 (uint8_t **) &conn->rxbuf, &conn->rxbuf_size);
86 conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
89 wrk->conn_pool = conn_pool;
90 wrk->conn_pool_size = new_size;
94 vterr ("conn_pool_expand()", -errno);
98 static inline vcl_test_session_t *
99 conn_pool_alloc (vcl_test_server_worker_t *wrk)
104 for (i = 0; i < wrk->conn_pool_size; i++)
106 if (!wrk->conn_pool[i].is_alloc)
108 wrk->conn_pool[i].endpt.ip = wrk->conn_pool[i].ip;
109 wrk->conn_pool[i].is_alloc = 1;
110 return (&wrk->conn_pool[i]);
116 conn_pool_expand (wrk, 2 * wrk->conn_pool_size);
120 vtwrn ("Failed to allocate connection even after expand");
125 conn_pool_free (vcl_test_session_t *conn)
132 sync_config_and_reply (vcl_test_session_t *conn, vcl_test_cfg_t *rx_cfg)
135 vcl_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */, (uint8_t **) &conn->rxbuf,
137 conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
139 if (conn->cfg.verbose)
141 vtinf ("(fd %d): Replying to cfg message!\n", conn->fd);
142 vcl_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
144 (void) vcl_test_write (conn, &conn->cfg, sizeof (conn->cfg));
148 vts_session_close (vcl_test_session_t *conn)
152 vppcom_session_close (conn->fd);
157 vts_session_cleanup (vcl_test_session_t *conn)
159 vts_session_close (conn);
160 conn_pool_free (conn);
164 vts_wrk_cleanup_all (vcl_test_server_worker_t *wrk)
166 vcl_test_session_t *conn;
169 for (i = 0; i < wrk->conn_pool_size; i++)
171 conn = &wrk->conn_pool[i];
172 vts_session_cleanup (conn);
179 vts_test_cmd (vcl_test_server_worker_t *wrk, vcl_test_session_t *conn,
180 vcl_test_cfg_t *rx_cfg)
182 u8 is_bi = rx_cfg->test == VCL_TEST_TYPE_BI;
183 vcl_test_session_t *tc;
187 if (rx_cfg->cmd == VCL_TEST_CMD_STOP)
189 struct timespec stop;
190 clock_gettime (CLOCK_REALTIME, &stop);
192 /* Test session are not closed, e.g., connection-less or errors */
195 vtinf ("%u sessions are still open", wrk->nfds - 1);
196 stop.tv_sec -= VCL_TEST_DELAY_DISCONNECT;
197 conn->stats.stop = stop;
200 /* Accumulate stats over all of the worker's sessions */
201 for (i = 0; i < wrk->conn_pool_size; i++)
203 tc = &wrk->conn_pool[i];
207 vcl_test_stats_accumulate (&conn->stats, &tc->stats);
210 vts_session_close (tc);
213 /* Only relevant if all connections previously closed */
214 if (vcl_comp_tspec (&conn->stats.stop, &tc->stats.stop) < 0)
215 conn->stats.stop = tc->stats.stop;
218 if (conn->cfg.verbose)
220 snprintf (buf, sizeof (buf), "SERVER (fd %d) RESULTS", conn->fd);
221 vcl_test_stats_dump (buf, &conn->stats, 1 /* show_rx */,
222 is_bi /* show tx */, conn->cfg.verbose);
225 vcl_test_stats_dump ("SERVER RESULTS", &conn->stats, 1 /* show_rx */ ,
226 is_bi /* show_tx */ , conn->cfg.verbose);
227 vcl_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
228 if (conn->cfg.verbose)
230 vtinf (" vcl server main\n" VCL_TEST_SEPARATOR_STRING
232 " buf size: %u (0x%08x)\n" VCL_TEST_SEPARATOR_STRING,
233 conn->rxbuf, conn->rxbuf_size, conn->rxbuf_size);
236 sync_config_and_reply (conn, rx_cfg);
237 memset (&conn->stats, 0, sizeof (conn->stats));
239 else if (rx_cfg->cmd == VCL_TEST_CMD_SYNC)
241 rx_cfg->ctrl_handle = conn->fd;
242 vtinf ("Set control fd %d for test!", conn->fd);
243 sync_config_and_reply (conn, rx_cfg);
245 else if (rx_cfg->cmd == VCL_TEST_CMD_START)
247 vtinf ("Starting %s-directional Stream Test (fd %d)!",
248 is_bi ? "Bi" : "Uni", conn->fd);
249 rx_cfg->ctrl_handle = conn->fd;
250 sync_config_and_reply (conn, rx_cfg);
252 /* read the 1st chunk, record start time */
253 memset (&conn->stats, 0, sizeof (conn->stats));
254 clock_gettime (CLOCK_REALTIME, &conn->stats.start);
259 vts_server_process_rx (vcl_test_session_t *conn, int rx_bytes)
261 vcl_test_server_main_t *vsm = &vcl_server_main;
263 if (conn->cfg.test == VCL_TEST_TYPE_BI)
267 (void) vcl_test_write (conn, conn->ds[0].data, conn->ds[0].len);
269 (void) vcl_test_write (conn, conn->ds[1].data, conn->ds[1].len);
272 (void) vcl_test_write (conn, conn->rxbuf, rx_bytes);
276 vppcom_session_free_segments (conn->fd, rx_bytes);
278 if (conn->stats.rx_bytes >= conn->cfg.total_bytes)
279 clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
283 vts_server_echo (vcl_test_session_t *conn, int rx_bytes)
285 int tx_bytes, nbytes, pos;
287 /* If it looks vaguely like a string, make sure it's terminated */
288 pos = rx_bytes < conn->rxbuf_size ? rx_bytes : conn->rxbuf_size - 1;
289 ((char *) conn->rxbuf)[pos] = 0;
290 vtinf ("(fd %d): RX (%d bytes) - '%s'", conn->fd, rx_bytes, conn->rxbuf);
292 if (conn->cfg.verbose)
293 vtinf ("(fd %d): Echoing back", conn->fd);
295 nbytes = strlen ((const char *) conn->rxbuf) + 1;
296 tx_bytes = vcl_test_write (conn, conn->rxbuf, nbytes);
298 vtinf ("(fd %d): TX (%d bytes) - '%s'", conn->fd, tx_bytes, conn->rxbuf);
301 static vcl_test_session_t *
302 vts_accept_client (vcl_test_server_worker_t *wrk, int listen_fd)
304 vcl_test_session_t *conn;
305 struct epoll_event ev;
308 conn = conn_pool_alloc (wrk);
311 vtwrn ("No free connections!");
315 client_fd = vppcom_session_accept (listen_fd, &conn->endpt, 0);
318 vterr ("vppcom_session_accept()", client_fd);
321 conn->fd = client_fd;
324 vtinf ("Got a connection -- fd = %d (0x%08x) on listener fd = %d (0x%08x)",
325 client_fd, client_fd, listen_fd, listen_fd);
328 ev.data.u64 = conn - wrk->conn_pool;
329 rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, client_fd, &ev);
332 vterr ("vppcom_epoll_ctl()", rv);
341 print_usage_and_exit (void)
344 "vcl_test_server [OPTIONS] <port>\n"
346 " -h Print this message and exit.\n"
348 " -w <num> Number of workers\n"
349 " -p <PROTO> Use <PROTO> transport layer\n"
350 " -D Use UDP transport layer\n"
351 " -L Use TLS transport layer\n");
356 vcl_test_init_endpoint_addr (vcl_test_server_main_t * vsm)
358 struct sockaddr_storage *servaddr = &vsm->servaddr;
359 memset (servaddr, 0, sizeof (*servaddr));
361 if (vsm->cfg.address_ip6)
363 struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) servaddr;
364 server_addr->sin6_family = AF_INET6;
365 server_addr->sin6_addr = in6addr_any;
366 server_addr->sin6_port = htons (vsm->cfg.port);
370 struct sockaddr_in *server_addr = (struct sockaddr_in *) servaddr;
371 server_addr->sin_family = AF_INET;
372 server_addr->sin_addr.s_addr = htonl (INADDR_ANY);
373 server_addr->sin_port = htons (vsm->cfg.port);
376 if (vsm->cfg.address_ip6)
378 struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) servaddr;
379 vsm->cfg.endpt.is_ip4 = 0;
380 vsm->cfg.endpt.ip = (uint8_t *) & server_addr->sin6_addr;
381 vsm->cfg.endpt.port = (uint16_t) server_addr->sin6_port;
385 struct sockaddr_in *server_addr = (struct sockaddr_in *) servaddr;
386 vsm->cfg.endpt.is_ip4 = 1;
387 vsm->cfg.endpt.ip = (uint8_t *) & server_addr->sin_addr;
388 vsm->cfg.endpt.port = (uint16_t) server_addr->sin_port;
393 vcl_test_server_process_opts (vcl_test_server_main_t * vsm, int argc,
398 vsm->cfg.proto = VPPCOM_PROTO_TCP;
401 while ((c = getopt (argc, argv, "6DLsw:hp:")) != -1)
405 vsm->cfg.address_ip6 = 1;
409 if (vppcom_unformat_proto (&vsm->cfg.proto, optarg))
410 vtwrn ("Invalid vppcom protocol %s, defaulting to TCP", optarg);
414 vsm->cfg.proto = VPPCOM_PROTO_UDP;
418 vsm->cfg.proto = VPPCOM_PROTO_TLS;
424 vsm->cfg.workers = v;
426 vtwrn ("Invalid number of workers %d", v);
436 vtwrn ("Option `-%c' requires an argument.", optopt);
439 if (isprint (optopt))
440 vtwrn ("Unknown option `-%c'.", optopt);
442 vtwrn ("Unknown option character `\\x%x'.", optopt);
447 print_usage_and_exit ();
450 if (argc < (optind + 1))
452 fprintf (stderr, "SERVER: ERROR: Insufficient number of arguments!\n");
453 print_usage_and_exit ();
456 if (sscanf (argv[optind], "%d", &v) == 1)
457 vsm->cfg.port = (uint16_t) v;
460 fprintf (stderr, "SERVER: ERROR: Invalid port (%s)!\n", argv[optind]);
461 print_usage_and_exit ();
464 vcl_test_init_endpoint_addr (vsm);
468 vts_clean_connected_listeners (vcl_test_server_worker_t * wrk,
471 if ((vppcom_session_n_accepted (listener_fd) == 0) &
472 vppcom_session_is_connectable_listener (listener_fd))
474 vtinf ("Connected Listener fd %x has no more sessions", listener_fd);
475 vppcom_session_close (listener_fd);
481 vts_handle_ctrl_cfg (vcl_test_server_worker_t *wrk, vcl_test_cfg_t *rx_cfg,
482 vcl_test_session_t *conn, int rx_bytes)
487 vtinf ("(fd %d): Received a cfg msg!", conn->fd);
488 vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
491 if (rx_bytes != sizeof (*rx_cfg))
493 vtinf ("(fd %d): Invalid cfg msg size %d expected %lu!", conn->fd,
494 rx_bytes, sizeof (*rx_cfg));
495 conn->cfg.rxbuf_size = 0;
496 conn->cfg.num_writes = 0;
497 if (conn->cfg.verbose)
499 vtinf ("(fd %d): Replying to cfg msg", conn->fd);
500 vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
502 vcl_test_write (conn, &conn->cfg, sizeof (conn->cfg));
506 switch (rx_cfg->test)
508 case VCL_TEST_TYPE_NONE:
509 case VCL_TEST_TYPE_ECHO:
510 sync_config_and_reply (conn, rx_cfg);
513 case VCL_TEST_TYPE_BI:
514 case VCL_TEST_TYPE_UNI:
515 vts_test_cmd (wrk, conn, rx_cfg);
518 case VCL_TEST_TYPE_EXIT:
519 vtinf ("Ctrl session fd %d closing!", conn->fd);
520 listener_fd = vppcom_session_listener (conn->fd);
521 vts_clean_connected_listeners (wrk, listener_fd);
522 vts_session_cleanup (conn);
525 vts_wrk_cleanup_all (wrk);
529 vtwrn ("Unknown test type %d", rx_cfg->test);
530 vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
538 vts_worker_init (vcl_test_server_worker_t * wrk)
540 vcl_test_server_main_t *vsm = &vcl_server_main;
541 struct epoll_event listen_ev;
544 __wrk_index = wrk->wrk_index;
546 vtinf ("Initializing worker ...");
548 conn_pool_expand (wrk, VCL_TEST_CFG_MAX_TEST_SESS + 1);
550 if (vppcom_worker_register ())
551 vtfail ("vppcom_worker_register()", 1);
553 wrk->listen_fd = vppcom_session_create (vsm->cfg.proto,
554 0 /* is_nonblocking */ );
555 if (wrk->listen_fd < 0)
556 vtfail ("vppcom_session_create()", wrk->listen_fd);
558 if (vsm->cfg.proto == VPPCOM_PROTO_UDP)
560 vppcom_session_attr (wrk->listen_fd, VPPCOM_ATTR_SET_CONNECTED, 0, 0);
563 if (vsm->cfg.proto == VPPCOM_PROTO_TLS ||
564 vsm->cfg.proto == VPPCOM_PROTO_QUIC ||
565 vsm->cfg.proto == VPPCOM_PROTO_DTLS)
567 vppcom_cert_key_pair_t ckpair;
571 vtinf ("Adding tls certs ...");
572 ckpair.cert = vcl_test_crt_rsa;
573 ckpair.key = vcl_test_key_rsa;
574 ckpair.cert_len = vcl_test_crt_rsa_len;
575 ckpair.key_len = vcl_test_key_rsa_len;
576 ckp_index = vppcom_add_cert_key_pair (&ckpair);
578 vtfail ("vppcom_add_cert_key_pair()", ckp_index);
580 ckp_len = sizeof (ckp_index);
581 vppcom_session_attr (wrk->listen_fd, VPPCOM_ATTR_SET_CKPAIR, &ckp_index,
585 rv = vppcom_session_bind (wrk->listen_fd, &vsm->cfg.endpt);
587 vtfail ("vppcom_session_bind()", rv);
589 if (!(vsm->cfg.proto == VPPCOM_PROTO_UDP))
591 rv = vppcom_session_listen (wrk->listen_fd, 10);
593 vtfail ("vppcom_session_listen()", rv);
596 /* First worker already has epoll fd */
599 wrk->epfd = vppcom_epoll_create ();
601 vtfail ("vppcom_epoll_create()", wrk->epfd);
604 listen_ev.events = EPOLLIN;
605 listen_ev.data.u32 = VCL_TEST_DATA_LISTENER;
606 rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, wrk->listen_fd,
609 vtfail ("vppcom_epoll_ctl", rv);
611 vsm->active_workers += 1;
612 vtinf ("Waiting for a client to connect on port %d ...", vsm->cfg.port);
616 vts_conn_read (vcl_test_session_t *conn)
618 vcl_test_server_main_t *vsm = &vcl_server_main;
620 return vcl_test_read_ds (conn);
622 return vcl_test_read (conn, conn->rxbuf, conn->rxbuf_size);
626 vts_worker_loop (void *arg)
628 vcl_test_server_main_t *vsm = &vcl_server_main;
629 vcl_test_server_worker_t *wrk = arg;
630 vcl_test_session_t *conn;
631 int i, rx_bytes, num_ev, listener_fd;
632 vcl_test_cfg_t *rx_cfg;
635 vts_worker_init (wrk);
639 num_ev = vppcom_epoll_wait (wrk->epfd, wrk->wait_events,
640 VCL_TEST_CFG_MAX_EPOLL_EVENTS, 60000.0);
643 vterr ("vppcom_epoll_wait()", num_ev);
646 else if (num_ev == 0)
648 vtinf ("vppcom_epoll_wait() timeout!");
651 for (i = 0; i < num_ev; i++)
653 conn = &wrk->conn_pool[wrk->wait_events[i].data.u32];
655 * Check for close events
657 if (wrk->wait_events[i].events & (EPOLLHUP | EPOLLRDHUP))
659 listener_fd = vppcom_session_listener (conn->fd);
660 vts_clean_connected_listeners (wrk, listener_fd);
661 vts_session_close (conn);
665 vtinf ("All client connections closed\n");
672 * Check if new session needs to be accepted
675 if (wrk->wait_events[i].data.u32 == VCL_TEST_CTRL_LISTENER)
679 vtwrn ("ctrl already exists");
682 vsm->ctrl = vts_accept_client (wrk, vsm->ctrl_listen_fd);
685 if (wrk->wait_events[i].data.u32 == VCL_TEST_DATA_LISTENER)
687 conn = vts_accept_client (wrk, wrk->listen_fd);
688 conn->cfg = vsm->ctrl->cfg;
691 else if (vppcom_session_is_connectable_listener (conn->fd))
693 vts_accept_client (wrk, conn->fd);
698 * Message on control session
701 if (!wrk->wrk_index && conn->fd == vsm->ctrl->fd)
703 rx_bytes = vcl_test_read (conn, conn->rxbuf, conn->rxbuf_size);
704 rx_cfg = (vcl_test_cfg_t *) conn->rxbuf;
705 if (rx_cfg->magic == VCL_TEST_CFG_CTRL_MAGIC)
707 vts_handle_ctrl_cfg (wrk, rx_cfg, conn, rx_bytes);
710 vtinf ("All client connections closed\n");
714 else if (isascii (conn->rxbuf[0]))
716 vts_server_echo (conn, rx_bytes);
720 vtwrn ("FIFO not drained! extra bytes %d", rx_bytes);
726 * Read perf test data
729 if (EPOLLIN & wrk->wait_events[i].events)
732 rx_bytes = vts_conn_read (conn);
736 if (errno == ECONNRESET)
738 vtinf ("Connection reset by remote peer.\n");
744 vts_server_process_rx (conn, rx_bytes);
745 if (vppcom_session_attr (conn->fd, VPPCOM_ATTR_GET_NREAD, 0, 0) >
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 vts_ctrl_session_init (vcl_test_server_worker_t *wrk)
772 vcl_test_server_main_t *vsm = &vcl_server_main;
773 struct epoll_event listen_ev;
776 vtinf ("Initializing main ctrl session ...");
778 vsm->ctrl_listen_fd =
779 vppcom_session_create (VPPCOM_PROTO_TCP, 0 /* is_nonblocking */);
780 if (vsm->ctrl_listen_fd < 0)
781 vtfail ("vppcom_session_create()", vsm->ctrl_listen_fd);
783 rv = vppcom_session_bind (vsm->ctrl_listen_fd, &vsm->cfg.endpt);
785 vtfail ("vppcom_session_bind()", rv);
787 rv = vppcom_session_listen (vsm->ctrl_listen_fd, 10);
789 vtfail ("vppcom_session_listen()", rv);
791 wrk->epfd = vppcom_epoll_create ();
793 vtfail ("vppcom_epoll_create()", wrk->epfd);
795 listen_ev.events = EPOLLIN;
796 listen_ev.data.u32 = VCL_TEST_CTRL_LISTENER;
797 rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, vsm->ctrl_listen_fd,
800 vtfail ("vppcom_epoll_ctl", rv);
802 vtinf ("Waiting for a client to connect on port %d ...", vsm->cfg.port);
806 main (int argc, char **argv)
808 vcl_test_server_main_t *vsm = &vcl_server_main;
811 clib_mem_init_thread_safe (0, 64 << 20);
812 vsm->cfg.port = VCL_TEST_SERVER_PORT;
813 vsm->cfg.workers = 1;
814 vsm->active_workers = 0;
815 vcl_test_server_process_opts (vsm, argc, argv);
817 rv = vppcom_app_create ("vcl_test_server");
819 vtfail ("vppcom_app_create()", rv);
821 vsm->workers = calloc (vsm->cfg.workers, sizeof (*vsm->workers));
822 vts_ctrl_session_init (&vsm->workers[0]);
824 /* Update ctrl port to data port */
825 vsm->cfg.endpt.port += 1;
826 vts_worker_init (&vsm->workers[0]);
827 for (i = 1; i < vsm->cfg.workers; i++)
829 vsm->workers[i].wrk_index = i;
830 rv = pthread_create (&vsm->workers[i].thread_handle, NULL,
831 vts_worker_loop, (void *) &vsm->workers[i]);
834 vts_worker_loop (&vsm->workers[0]);
836 while (vsm->active_workers > 0)
839 vppcom_app_destroy ();
842 return vsm->worker_fails;
846 * fd.io coding-style-patch-verification: ON
849 * eval: (c-set-style "gnu")