2 * Copyright (c) 2017-2018 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 <vcl/vcl_test.h>
27 #include <sys/epoll.h>
28 #include <vppinfra/mem.h>
38 sock_test_stats_t stats;
41 vppcom_data_segments_t ds;
42 } vcl_test_server_conn_t;
51 } vcl_test_server_cfg_t;
53 #define SOCK_SERVER_MAX_TEST_CONN 16
54 #define SOCK_SERVER_MAX_EPOLL_EVENTS 16
61 struct epoll_event wait_events[SOCK_SERVER_MAX_EPOLL_EVENTS];
62 size_t conn_pool_size;
63 vcl_test_server_conn_t *conn_pool;
65 pthread_t thread_handle;
66 } vcl_test_server_worker_t;
70 vcl_test_server_cfg_t cfg;
71 vcl_test_server_worker_t *workers;
73 struct sockaddr_storage servaddr;
74 volatile int worker_fails;
75 volatile int active_workers;
77 } vcl_test_server_main_t;
79 static __thread int __wrk_index = 0;
81 static vcl_test_server_main_t sock_server_main;
84 conn_pool_expand (vcl_test_server_worker_t * wrk, size_t expand_size)
86 vcl_test_server_conn_t *conn_pool;
87 size_t new_size = wrk->conn_pool_size + expand_size;
90 conn_pool = realloc (wrk->conn_pool, new_size * sizeof (*wrk->conn_pool));
93 for (i = wrk->conn_pool_size; i < new_size; i++)
95 vcl_test_server_conn_t *conn = &conn_pool[i];
96 memset (conn, 0, sizeof (*conn));
97 sock_test_cfg_init (&conn->cfg);
98 sock_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */ ,
99 &conn->buf, &conn->buf_size);
100 conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
103 wrk->conn_pool = conn_pool;
104 wrk->conn_pool_size = new_size;
108 vterr ("conn_pool_expand()", -errno);
112 static inline vcl_test_server_conn_t *
113 conn_pool_alloc (vcl_test_server_worker_t * wrk)
117 for (i = 0; i < wrk->conn_pool_size; i++)
119 if (!wrk->conn_pool[i].is_alloc)
121 wrk->conn_pool[i].endpt.ip = wrk->conn_pool[i].ip;
122 wrk->conn_pool[i].is_alloc = 1;
123 return (&wrk->conn_pool[i]);
131 conn_pool_free (vcl_test_server_conn_t * conn)
138 sync_config_and_reply (vcl_test_server_conn_t * conn,
139 sock_test_cfg_t * rx_cfg)
142 sock_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */ ,
143 &conn->buf, &conn->buf_size);
144 conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
146 if (conn->cfg.verbose)
148 vtinf ("(fd %d): Replying to cfg message!\n", conn->fd);
149 sock_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
151 (void) vcl_test_write (conn->fd, (uint8_t *) & conn->cfg,
152 sizeof (conn->cfg), NULL, conn->cfg.verbose);
156 vts_server_start_stop (vcl_test_server_worker_t * wrk,
157 vcl_test_server_conn_t * conn,
158 sock_test_cfg_t * rx_cfg)
160 u8 is_bi = rx_cfg->test == SOCK_TEST_TYPE_BI;
161 int client_fd = conn->fd, i;
162 vcl_test_server_conn_t *tc;
165 if (rx_cfg->ctrl_handle == conn->fd)
167 clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
169 for (i = 0; i < wrk->conn_pool_size; i++)
171 tc = &wrk->conn_pool[i];
172 if (tc->cfg.ctrl_handle != conn->fd)
175 sock_test_stats_accumulate (&conn->stats, &tc->stats);
177 if (conn->cfg.verbose)
179 sprintf (buf, "SERVER (fd %d) RESULTS", tc->fd);
180 sock_test_stats_dump (buf, &tc->stats, 1 /* show_rx */ ,
181 is_bi /* show tx */ , conn->cfg.verbose);
185 sock_test_stats_dump ("SERVER RESULTS", &conn->stats, 1 /* show_rx */ ,
186 is_bi /* show_tx */ , conn->cfg.verbose);
187 sock_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
188 if (conn->cfg.verbose)
190 vtinf (" sock server main\n"
191 SOCK_TEST_SEPARATOR_STRING
193 " buf size: %u (0x%08x)\n"
194 SOCK_TEST_SEPARATOR_STRING,
195 conn->buf, conn->buf_size, conn->buf_size);
198 sync_config_and_reply (conn, rx_cfg);
199 vtinf ("(fd %d): %s-directional Stream Test Complete!\n"
200 SOCK_TEST_BANNER_STRING "\n", conn->fd, is_bi ? "Bi" : "Uni");
201 memset (&conn->stats, 0, sizeof (conn->stats));
205 vtinf (SOCK_TEST_BANNER_STRING "(fd %d): %s-directional Stream Test!\n"
206 " Sending client the test cfg to start streaming data...\n",
207 client_fd, is_bi ? "Bi" : "Uni");
209 if (rx_cfg->ctrl_handle == ~0)
210 rx_cfg->ctrl_handle = conn->fd;
212 sync_config_and_reply (conn, rx_cfg);
214 /* read the 1st chunk, record start time */
215 memset (&conn->stats, 0, sizeof (conn->stats));
216 clock_gettime (CLOCK_REALTIME, &conn->stats.start);
221 vts_server_rx (vcl_test_server_conn_t * conn, int rx_bytes)
223 vcl_test_server_main_t *vts = &sock_server_main;
224 int client_fd = conn->fd;
226 if (conn->cfg.test == SOCK_TEST_TYPE_BI)
230 (void) vcl_test_write (client_fd, conn->ds[0].data, conn->ds[0].len,
231 &conn->stats, conn->cfg.verbose);
233 (void) vcl_test_write (client_fd, conn->ds[1].data,
234 conn->ds[1].len, &conn->stats,
238 (void) vcl_test_write (client_fd, conn->buf, rx_bytes, &conn->stats,
243 vppcom_session_free_segments (conn->fd, conn->ds);
245 if (conn->stats.rx_bytes >= conn->cfg.total_bytes)
246 clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
250 vts_server_echo (vcl_test_server_conn_t * conn, int rx_bytes)
252 vcl_test_server_main_t *vts = &sock_server_main;
253 int tx_bytes, nbytes, pos;
256 vppcom_data_segment_copy (conn->buf, conn->ds, rx_bytes);
258 /* If it looks vaguely like a string, make sure it's terminated */
259 pos = rx_bytes < conn->buf_size ? rx_bytes : conn->buf_size - 1;
260 ((char *) conn->buf)[pos] = 0;
261 vtinf ("(fd %d): RX (%d bytes) - '%s'", conn->fd, rx_bytes, conn->buf);
263 if (conn->cfg.verbose)
264 vtinf ("(fd %d): Echoing back", conn->fd);
266 nbytes = strlen ((const char *) conn->buf) + 1;
267 tx_bytes = vcl_test_write (conn->fd, conn->buf, nbytes, &conn->stats,
270 vtinf ("(fd %d): TX (%d bytes) - '%s'", conn->fd, tx_bytes, conn->buf);
274 vts_new_client (vcl_test_server_worker_t * wrk)
277 vcl_test_server_conn_t *conn;
279 conn = conn_pool_alloc (wrk);
282 vtwrn ("No free connections!");
286 client_fd = vppcom_session_accept (wrk->listen_fd, &conn->endpt, 0);
289 vterr ("vppcom_session_accept()", client_fd);
293 vtinf ("Got a connection -- fd = %d (0x%08x)!", client_fd, client_fd);
295 conn->fd = client_fd;
298 struct epoll_event ev;
302 ev.data.u64 = conn - wrk->conn_pool;
303 rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, client_fd, &ev);
306 vterr ("vppcom_epoll_ctl()", rv);
314 print_usage_and_exit (void)
317 "sock_test_server [OPTIONS] <port>\n"
319 " -h Print this message and exit.\n"
321 " -w <num> Number of workers\n"
322 " -u Use UDP transport layer\n");
327 vcl_test_init_endpoint_addr (vcl_test_server_main_t * ssm)
329 struct sockaddr_storage *servaddr = &ssm->servaddr;
330 memset (servaddr, 0, sizeof (*servaddr));
332 if (ssm->cfg.address_ip6)
334 struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) servaddr;
335 server_addr->sin6_family = AF_INET6;
336 server_addr->sin6_addr = in6addr_any;
337 server_addr->sin6_port = htons (ssm->cfg.port);
341 struct sockaddr_in *server_addr = (struct sockaddr_in *) servaddr;
342 server_addr->sin_family = AF_INET;
343 server_addr->sin_addr.s_addr = htonl (INADDR_ANY);
344 server_addr->sin_port = htons (ssm->cfg.port);
347 if (ssm->cfg.address_ip6)
349 struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) servaddr;
350 ssm->cfg.endpt.is_ip4 = 0;
351 ssm->cfg.endpt.ip = (uint8_t *) & server_addr->sin6_addr;
352 ssm->cfg.endpt.port = (uint16_t) server_addr->sin6_port;
356 struct sockaddr_in *server_addr = (struct sockaddr_in *) servaddr;
357 ssm->cfg.endpt.is_ip4 = 1;
358 ssm->cfg.endpt.ip = (uint8_t *) & server_addr->sin_addr;
359 ssm->cfg.endpt.port = (uint16_t) server_addr->sin_port;
364 vcl_test_server_process_opts (vcl_test_server_main_t * ssm, int argc,
369 ssm->cfg.proto = VPPCOM_PROTO_TCP;
372 while ((c = getopt (argc, argv, "6Dsw:")) != -1)
376 ssm->cfg.address_ip6 = 1;
380 ssm->cfg.proto = VPPCOM_PROTO_UDP;
386 ssm->cfg.workers = v;
388 vtwrn ("Invalid number of workers %d", v);
397 if (isprint (optopt))
398 vtwrn ("Unknown option `-%c'.", optopt);
400 vtwrn ("Unknown option character `\\x%x'.", optopt);
405 print_usage_and_exit ();
408 if (argc < (optind + 1))
410 fprintf (stderr, "SERVER: ERROR: Insufficient number of arguments!\n");
411 print_usage_and_exit ();
414 if (sscanf (argv[optind], "%d", &v) == 1)
415 ssm->cfg.port = (uint16_t) v;
418 fprintf (stderr, "SERVER: ERROR: Invalid port (%s)!\n", argv[optind]);
419 print_usage_and_exit ();
422 vcl_test_init_endpoint_addr (ssm);
426 vts_handle_cfg (vcl_test_server_worker_t * wrk, sock_test_cfg_t * rx_cfg,
427 vcl_test_server_conn_t * conn, int rx_bytes)
431 vtinf ("(fd %d): Received a cfg msg!", conn->fd);
432 sock_test_cfg_dump (rx_cfg, 0 /* is_client */ );
435 if (rx_bytes != sizeof (*rx_cfg))
437 vtinf ("(fd %d): Invalid cfg msg size %d expected %lu!", conn->fd,
438 rx_bytes, sizeof (*rx_cfg));
439 conn->cfg.rxbuf_size = 0;
440 conn->cfg.num_writes = 0;
441 if (conn->cfg.verbose)
443 vtinf ("(fd %d): Replying to cfg msg", conn->fd);
444 sock_test_cfg_dump (rx_cfg, 0 /* is_client */ );
446 vcl_test_write (conn->fd, (uint8_t *) & conn->cfg,
447 sizeof (conn->cfg), NULL, conn->cfg.verbose);
451 switch (rx_cfg->test)
453 case SOCK_TEST_TYPE_NONE:
454 case SOCK_TEST_TYPE_ECHO:
455 sync_config_and_reply (conn, rx_cfg);
458 case SOCK_TEST_TYPE_BI:
459 case SOCK_TEST_TYPE_UNI:
460 vts_server_start_stop (wrk, conn, rx_cfg);
463 case SOCK_TEST_TYPE_EXIT:
464 vtinf ("Have a great day conn %d (closing)!", conn->fd);
465 vppcom_session_close (conn->fd);
466 conn_pool_free (conn);
471 vtwrn ("Unknown test type %d", rx_cfg->test);
472 sock_test_cfg_dump (rx_cfg, 0 /* is_client */ );
480 vts_worker_init (vcl_test_server_worker_t * wrk)
482 vcl_test_server_main_t *ssm = &sock_server_main;
483 struct epoll_event listen_ev;
486 __wrk_index = wrk->wrk_index;
488 vtinf ("Initializing worker ...");
490 conn_pool_expand (wrk, SOCK_SERVER_MAX_TEST_CONN + 1);
492 if (vppcom_worker_register ())
493 vtfail ("vppcom_worker_register()", 1);
495 wrk->listen_fd = vppcom_session_create (ssm->cfg.proto,
496 0 /* is_nonblocking */ );
497 if (wrk->listen_fd < 0)
498 vtfail ("vppcom_session_create()", wrk->listen_fd);
500 rv = vppcom_session_bind (wrk->listen_fd, &ssm->cfg.endpt);
502 vtfail ("vppcom_session_bind()", rv);
504 if (!(ssm->cfg.proto == VPPCOM_PROTO_UDP))
506 rv = vppcom_session_listen (wrk->listen_fd, 10);
508 vtfail ("vppcom_session_listen()", rv);
511 wrk->epfd = vppcom_epoll_create ();
513 vtfail ("vppcom_epoll_create()", wrk->epfd);
515 listen_ev.events = EPOLLIN;
516 listen_ev.data.u32 = ~0;
517 rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, wrk->listen_fd,
520 vtfail ("vppcom_epoll_ctl", rv);
522 ssm->active_workers += 1;
523 vtinf ("Waiting for a client to connect on port %d ...", ssm->cfg.port);
527 vts_conn_expect_config (vcl_test_server_conn_t * conn)
529 if (conn->cfg.test == SOCK_TEST_TYPE_ECHO)
532 return (conn->stats.rx_bytes < 128
533 || conn->stats.rx_bytes > conn->cfg.total_bytes);
536 static sock_test_cfg_t *
537 vts_conn_read_config (vcl_test_server_conn_t * conn)
539 vcl_test_server_main_t *vts = &sock_server_main;
543 /* We could avoid the copy if the first segment is big enough but this
544 * just simplifies things */
545 vppcom_data_segment_copy (conn->buf, conn->ds,
546 sizeof (sock_test_cfg_t));
547 vppcom_session_free_segments (conn->fd, conn->ds);
549 return (sock_test_cfg_t *) conn->buf;
553 vts_conn_read (vcl_test_server_conn_t * conn)
555 vcl_test_server_main_t *vts = &sock_server_main;
557 return vcl_test_read_ds (conn->fd, conn->ds, &conn->stats);
559 return vcl_test_read (conn->fd, conn->buf, conn->buf_size, &conn->stats);
563 vts_conn_has_ascii (vcl_test_server_conn_t * conn)
565 vcl_test_server_main_t *vts = &sock_server_main;
568 return isascii (conn->ds[0].data[0]);
570 return isascii (conn->buf[0]);
574 vts_worker_loop (void *arg)
576 vcl_test_server_main_t *ssm = &sock_server_main;
577 vcl_test_server_worker_t *wrk = arg;
578 vcl_test_server_conn_t *conn;
579 int i, rx_bytes, num_ev;
580 sock_test_cfg_t *rx_cfg;
583 vts_worker_init (wrk);
587 num_ev = vppcom_epoll_wait (wrk->epfd, wrk->wait_events,
588 SOCK_SERVER_MAX_EPOLL_EVENTS, 60000.0);
591 vterr ("vppcom_epoll_wait()", num_ev);
594 else if (num_ev == 0)
596 vtinf ("vppcom_epoll_wait() timeout!");
599 for (i = 0; i < num_ev; i++)
601 conn = &wrk->conn_pool[wrk->wait_events[i].data.u32];
602 if (wrk->wait_events[i].events & (EPOLLHUP | EPOLLRDHUP))
604 vppcom_session_close (conn->fd);
608 vtinf ("All client connections closed\n");
613 if (wrk->wait_events[i].data.u32 == ~0)
615 vts_new_client (wrk);
619 if (EPOLLIN & wrk->wait_events[i].events)
622 rx_bytes = vts_conn_read (conn);
626 if (errno == ECONNRESET)
628 vtinf ("Connection reset by remote peer.\n");
635 if (vts_conn_expect_config (conn))
637 rx_cfg = vts_conn_read_config (conn);
638 if (rx_cfg->magic == SOCK_TEST_CFG_CTRL_MAGIC)
640 vts_handle_cfg (wrk, rx_cfg, conn, rx_bytes);
643 vtinf ("All client connections closed\n");
649 if ((conn->cfg.test == SOCK_TEST_TYPE_UNI)
650 || (conn->cfg.test == SOCK_TEST_TYPE_BI))
652 vts_server_rx (conn, rx_bytes);
653 if (vppcom_session_attr (conn->fd, VPPCOM_ATTR_GET_NREAD, 0,
658 if (vts_conn_has_ascii (conn))
660 vts_server_echo (conn, rx_bytes);
664 vtwrn ("FIFO not drained! extra bytes %d", rx_bytes);
669 vtwrn ("Unhandled event");
676 ssm->worker_fails -= 1;
679 vppcom_session_close (wrk->listen_fd);
681 free (wrk->conn_pool);
682 ssm->active_workers -= 1;
687 main (int argc, char **argv)
689 vcl_test_server_main_t *vsm = &sock_server_main;
692 clib_mem_init_thread_safe (0, 64 << 20);
693 vsm->cfg.port = SOCK_TEST_SERVER_PORT;
694 vsm->cfg.workers = 1;
695 vsm->active_workers = 0;
696 vcl_test_server_process_opts (vsm, argc, argv);
698 rv = vppcom_app_create ("vcl_test_server");
700 vtfail ("vppcom_app_create()", rv);
702 vsm->workers = calloc (vsm->cfg.workers, sizeof (*vsm->workers));
703 vts_worker_init (&vsm->workers[0]);
704 for (i = 1; i < vsm->cfg.workers; i++)
706 vsm->workers[i].wrk_index = i;
707 rv = pthread_create (&vsm->workers[i].thread_handle, NULL,
708 vts_worker_loop, (void *) &vsm->workers[i]);
710 vts_worker_loop (&vsm->workers[0]);
712 while (vsm->active_workers > 0)
715 vppcom_app_destroy ();
718 return vsm->worker_fails;
722 * fd.io coding-style-patch-verification: ON
725 * eval: (c-set-style "gnu")