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-rw-r--r--src/vcl/vcl_test_server.c743
1 files changed, 0 insertions, 743 deletions
diff --git a/src/vcl/vcl_test_server.c b/src/vcl/vcl_test_server.c
deleted file mode 100644
index 173bada2315..00000000000
--- a/src/vcl/vcl_test_server.c
+++ /dev/null
@@ -1,743 +0,0 @@
-/*
- * Copyright (c) 2017-2019 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <unistd.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <stdio.h>
-#include <string.h>
-#include <time.h>
-#include <ctype.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <vcl/vcl_test.h>
-#include <sys/epoll.h>
-#include <vppinfra/mem.h>
-#include <pthread.h>
-
-typedef struct
-{
- uint8_t is_alloc;
- int fd;
- uint8_t *buf;
- uint32_t buf_size;
- vcl_test_cfg_t cfg;
- vcl_test_stats_t stats;
- vppcom_endpt_t endpt;
- uint8_t ip[16];
- vppcom_data_segments_t ds;
-} vcl_test_server_conn_t;
-
-typedef struct
-{
- uint16_t port;
- uint32_t address_ip6;
- u8 proto;
- u8 workers;
- vppcom_endpt_t endpt;
-} vcl_test_server_cfg_t;
-
-typedef struct
-{
- uint32_t wrk_index;
- int listen_fd;
- int epfd;
- struct epoll_event wait_events[VCL_TEST_CFG_MAX_EPOLL_EVENTS];
- size_t conn_pool_size;
- vcl_test_server_conn_t *conn_pool;
- int nfds;
- pthread_t thread_handle;
-} vcl_test_server_worker_t;
-
-typedef struct
-{
- vcl_test_server_cfg_t cfg;
- vcl_test_server_worker_t *workers;
-
- struct sockaddr_storage servaddr;
- volatile int worker_fails;
- volatile int active_workers;
- u8 use_ds;
-} vcl_test_server_main_t;
-
-static __thread int __wrk_index = 0;
-
-static vcl_test_server_main_t vcl_server_main;
-
-static inline void
-conn_pool_expand (vcl_test_server_worker_t * wrk, size_t expand_size)
-{
- vcl_test_server_conn_t *conn_pool;
- size_t new_size = wrk->conn_pool_size + expand_size;
- int i;
-
- conn_pool = realloc (wrk->conn_pool, new_size * sizeof (*wrk->conn_pool));
- if (conn_pool)
- {
- for (i = wrk->conn_pool_size; i < new_size; i++)
- {
- vcl_test_server_conn_t *conn = &conn_pool[i];
- memset (conn, 0, sizeof (*conn));
- vcl_test_cfg_init (&conn->cfg);
- vcl_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */ ,
- &conn->buf, &conn->buf_size);
- conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
- }
-
- wrk->conn_pool = conn_pool;
- wrk->conn_pool_size = new_size;
- }
- else
- {
- vterr ("conn_pool_expand()", -errno);
- }
-}
-
-static inline vcl_test_server_conn_t *
-conn_pool_alloc (vcl_test_server_worker_t * wrk)
-{
- int i, expand = 0;
-
-again:
- for (i = 0; i < wrk->conn_pool_size; i++)
- {
- if (!wrk->conn_pool[i].is_alloc)
- {
- wrk->conn_pool[i].endpt.ip = wrk->conn_pool[i].ip;
- wrk->conn_pool[i].is_alloc = 1;
- return (&wrk->conn_pool[i]);
- }
- }
-
- if (expand == 0)
- {
- conn_pool_expand (wrk, 2 * wrk->conn_pool_size);
- expand = 1;
- goto again;
- }
- vtwrn ("Failed to allocate connection even after expand");
- return 0;
-}
-
-static inline void
-conn_pool_free (vcl_test_server_conn_t * conn)
-{
- conn->fd = 0;
- conn->is_alloc = 0;
-}
-
-static inline void
-sync_config_and_reply (vcl_test_server_conn_t * conn, vcl_test_cfg_t * rx_cfg)
-{
- conn->cfg = *rx_cfg;
- vcl_test_buf_alloc (&conn->cfg, 1 /* is_rxbuf */ ,
- &conn->buf, &conn->buf_size);
- conn->cfg.txbuf_size = conn->cfg.rxbuf_size;
-
- if (conn->cfg.verbose)
- {
- vtinf ("(fd %d): Replying to cfg message!\n", conn->fd);
- vcl_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
- }
- (void) vcl_test_write (conn->fd, (uint8_t *) & conn->cfg,
- sizeof (conn->cfg), NULL, conn->cfg.verbose);
-}
-
-static void
-vts_server_start_stop (vcl_test_server_worker_t * wrk,
- vcl_test_server_conn_t * conn, vcl_test_cfg_t * rx_cfg)
-{
- u8 is_bi = rx_cfg->test == VCL_TEST_TYPE_BI;
- vcl_test_server_conn_t *tc;
- char buf[64];
- int i;
-
- if (rx_cfg->ctrl_handle == conn->fd)
- {
- for (i = 0; i < wrk->conn_pool_size; i++)
- {
- tc = &wrk->conn_pool[i];
- if (tc->cfg.ctrl_handle != conn->fd)
- continue;
-
- vcl_test_stats_accumulate (&conn->stats, &tc->stats);
- if (vcl_comp_tspec (&conn->stats.stop, &tc->stats.stop) < 0)
- conn->stats.stop = tc->stats.stop;
- /* Client delays sending of disconnect */
- conn->stats.stop.tv_sec -= VCL_TEST_DELAY_DISCONNECT;
- if (conn->cfg.verbose)
- {
- sprintf (buf, "SERVER (fd %d) RESULTS", tc->fd);
- vcl_test_stats_dump (buf, &tc->stats, 1 /* show_rx */ ,
- is_bi /* show tx */ , conn->cfg.verbose);
- }
- }
-
- vcl_test_stats_dump ("SERVER RESULTS", &conn->stats, 1 /* show_rx */ ,
- is_bi /* show_tx */ , conn->cfg.verbose);
- vcl_test_cfg_dump (&conn->cfg, 0 /* is_client */ );
- if (conn->cfg.verbose)
- {
- vtinf (" vcl server main\n"
- VCL_TEST_SEPARATOR_STRING
- " buf: %p\n"
- " buf size: %u (0x%08x)\n"
- VCL_TEST_SEPARATOR_STRING,
- conn->buf, conn->buf_size, conn->buf_size);
- }
-
- sync_config_and_reply (conn, rx_cfg);
- memset (&conn->stats, 0, sizeof (conn->stats));
- }
- else
- {
- if (rx_cfg->ctrl_handle == ~0)
- {
- rx_cfg->ctrl_handle = conn->fd;
- vtinf ("Set control fd %d for test!", conn->fd);
- }
- else
- {
- vtinf ("Starting %s-directional Stream Test (fd %d)!",
- is_bi ? "Bi" : "Uni", conn->fd);
- }
-
- sync_config_and_reply (conn, rx_cfg);
-
- /* read the 1st chunk, record start time */
- memset (&conn->stats, 0, sizeof (conn->stats));
- clock_gettime (CLOCK_REALTIME, &conn->stats.start);
- }
-}
-
-static inline void
-vts_server_rx (vcl_test_server_conn_t * conn, int rx_bytes)
-{
- vcl_test_server_main_t *vsm = &vcl_server_main;
- int client_fd = conn->fd;
-
- if (conn->cfg.test == VCL_TEST_TYPE_BI)
- {
- if (vsm->use_ds)
- {
- (void) vcl_test_write (client_fd, conn->ds[0].data, conn->ds[0].len,
- &conn->stats, conn->cfg.verbose);
- if (conn->ds[1].len)
- (void) vcl_test_write (client_fd, conn->ds[1].data,
- conn->ds[1].len, &conn->stats,
- conn->cfg.verbose);
- }
- else
- (void) vcl_test_write (client_fd, conn->buf, rx_bytes, &conn->stats,
- conn->cfg.verbose);
- }
-
- if (vsm->use_ds)
- vppcom_session_free_segments (conn->fd, conn->ds);
-
- if (conn->stats.rx_bytes >= conn->cfg.total_bytes)
- clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
-}
-
-static void
-vts_server_echo (vcl_test_server_conn_t * conn, int rx_bytes)
-{
- vcl_test_server_main_t *vsm = &vcl_server_main;
- int tx_bytes, nbytes, pos;
-
- if (vsm->use_ds)
- vppcom_data_segment_copy (conn->buf, conn->ds, rx_bytes);
-
- /* If it looks vaguely like a string, make sure it's terminated */
- pos = rx_bytes < conn->buf_size ? rx_bytes : conn->buf_size - 1;
- ((char *) conn->buf)[pos] = 0;
- vtinf ("(fd %d): RX (%d bytes) - '%s'", conn->fd, rx_bytes, conn->buf);
-
- if (conn->cfg.verbose)
- vtinf ("(fd %d): Echoing back", conn->fd);
-
- nbytes = strlen ((const char *) conn->buf) + 1;
- tx_bytes = vcl_test_write (conn->fd, conn->buf, nbytes, &conn->stats,
- conn->cfg.verbose);
- if (tx_bytes >= 0)
- vtinf ("(fd %d): TX (%d bytes) - '%s'", conn->fd, tx_bytes, conn->buf);
-}
-
-static void
-vts_new_client (vcl_test_server_worker_t * wrk)
-{
- vcl_test_server_conn_t *conn;
- struct epoll_event ev;
- int rv, client_fd;
-
- conn = conn_pool_alloc (wrk);
- if (!conn)
- {
- vtwrn ("No free connections!");
- return;
- }
-
- client_fd = vppcom_session_accept (wrk->listen_fd, &conn->endpt, 0);
- if (client_fd < 0)
- {
- vterr ("vppcom_session_accept()", client_fd);
- return;
- }
- conn->fd = client_fd;
-
- vtinf ("Got a connection -- fd = %d (0x%08x)!", client_fd, client_fd);
-
- ev.events = EPOLLIN;
- ev.data.u64 = conn - wrk->conn_pool;
- rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, client_fd, &ev);
- if (rv < 0)
- {
- vterr ("vppcom_epoll_ctl()", rv);
- return;
- }
- wrk->nfds++;
-}
-
-static void
-print_usage_and_exit (void)
-{
- fprintf (stderr,
- "vcl_test_server [OPTIONS] <port>\n"
- " OPTIONS\n"
- " -h Print this message and exit.\n"
- " -6 Use IPv6\n"
- " -w <num> Number of workers\n"
- " -D Use UDP transport layer\n"
- " -L Use TLS transport layer\n");
- exit (1);
-}
-
-static void
-vcl_test_init_endpoint_addr (vcl_test_server_main_t * vsm)
-{
- struct sockaddr_storage *servaddr = &vsm->servaddr;
- memset (servaddr, 0, sizeof (*servaddr));
-
- if (vsm->cfg.address_ip6)
- {
- struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) servaddr;
- server_addr->sin6_family = AF_INET6;
- server_addr->sin6_addr = in6addr_any;
- server_addr->sin6_port = htons (vsm->cfg.port);
- }
- else
- {
- struct sockaddr_in *server_addr = (struct sockaddr_in *) servaddr;
- server_addr->sin_family = AF_INET;
- server_addr->sin_addr.s_addr = htonl (INADDR_ANY);
- server_addr->sin_port = htons (vsm->cfg.port);
- }
-
- if (vsm->cfg.address_ip6)
- {
- struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) servaddr;
- vsm->cfg.endpt.is_ip4 = 0;
- vsm->cfg.endpt.ip = (uint8_t *) & server_addr->sin6_addr;
- vsm->cfg.endpt.port = (uint16_t) server_addr->sin6_port;
- }
- else
- {
- struct sockaddr_in *server_addr = (struct sockaddr_in *) servaddr;
- vsm->cfg.endpt.is_ip4 = 1;
- vsm->cfg.endpt.ip = (uint8_t *) & server_addr->sin_addr;
- vsm->cfg.endpt.port = (uint16_t) server_addr->sin_port;
- }
-}
-
-static void
-vcl_test_server_process_opts (vcl_test_server_main_t * vsm, int argc,
- char **argv)
-{
- int v, c;
-
- vsm->cfg.proto = VPPCOM_PROTO_TCP;
-
- opterr = 0;
- while ((c = getopt (argc, argv, "6DLsw:")) != -1)
- switch (c)
- {
- case '6':
- vsm->cfg.address_ip6 = 1;
- break;
-
- case 'D':
- vsm->cfg.proto = VPPCOM_PROTO_UDP;
- break;
-
- case 'L':
- vsm->cfg.proto = VPPCOM_PROTO_TLS;
- break;
-
- case 'w':
- v = atoi (optarg);
- if (v > 1)
- vsm->cfg.workers = v;
- else
- vtwrn ("Invalid number of workers %d", v);
- break;
- case 's':
- vsm->use_ds = 1;
- break;
- case '?':
- switch (optopt)
- {
- default:
- if (isprint (optopt))
- vtwrn ("Unknown option `-%c'.", optopt);
- else
- vtwrn ("Unknown option character `\\x%x'.", optopt);
- }
- /* fall thru */
- case 'h':
- default:
- print_usage_and_exit ();
- }
-
- if (argc < (optind + 1))
- {
- fprintf (stderr, "SERVER: ERROR: Insufficient number of arguments!\n");
- print_usage_and_exit ();
- }
-
- if (sscanf (argv[optind], "%d", &v) == 1)
- vsm->cfg.port = (uint16_t) v;
- else
- {
- fprintf (stderr, "SERVER: ERROR: Invalid port (%s)!\n", argv[optind]);
- print_usage_and_exit ();
- }
-
- vcl_test_init_endpoint_addr (vsm);
-}
-
-int
-vts_handle_cfg (vcl_test_server_worker_t * wrk, vcl_test_cfg_t * rx_cfg,
- vcl_test_server_conn_t * conn, int rx_bytes)
-{
- if (rx_cfg->verbose)
- {
- vtinf ("(fd %d): Received a cfg msg!", conn->fd);
- vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
- }
-
- if (rx_bytes != sizeof (*rx_cfg))
- {
- vtinf ("(fd %d): Invalid cfg msg size %d expected %lu!", conn->fd,
- rx_bytes, sizeof (*rx_cfg));
- conn->cfg.rxbuf_size = 0;
- conn->cfg.num_writes = 0;
- if (conn->cfg.verbose)
- {
- vtinf ("(fd %d): Replying to cfg msg", conn->fd);
- vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
- }
- vcl_test_write (conn->fd, (uint8_t *) & conn->cfg,
- sizeof (conn->cfg), NULL, conn->cfg.verbose);
- return -1;
- }
-
- switch (rx_cfg->test)
- {
- case VCL_TEST_TYPE_NONE:
- case VCL_TEST_TYPE_ECHO:
- sync_config_and_reply (conn, rx_cfg);
- break;
-
- case VCL_TEST_TYPE_BI:
- case VCL_TEST_TYPE_UNI:
- vts_server_start_stop (wrk, conn, rx_cfg);
- break;
-
- case VCL_TEST_TYPE_EXIT:
- vtinf ("Session fd %d closing!", conn->fd);
- clock_gettime (CLOCK_REALTIME, &conn->stats.stop);
- vppcom_session_close (conn->fd);
- conn_pool_free (conn);
- wrk->nfds--;
- break;
-
- default:
- vtwrn ("Unknown test type %d", rx_cfg->test);
- vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ );
- break;
- }
-
- return 0;
-}
-
-static void
-vts_worker_init (vcl_test_server_worker_t * wrk)
-{
- vcl_test_server_main_t *vsm = &vcl_server_main;
- struct epoll_event listen_ev;
- int rv;
-
- __wrk_index = wrk->wrk_index;
-
- vtinf ("Initializing worker ...");
-
- conn_pool_expand (wrk, VCL_TEST_CFG_MAX_TEST_SESS + 1);
- if (wrk->wrk_index)
- if (vppcom_worker_register ())
- vtfail ("vppcom_worker_register()", 1);
-
- wrk->listen_fd = vppcom_session_create (vsm->cfg.proto,
- 0 /* is_nonblocking */ );
- if (wrk->listen_fd < 0)
- vtfail ("vppcom_session_create()", wrk->listen_fd);
-
-
- if (vsm->cfg.proto == VPPCOM_PROTO_TLS)
- {
- vppcom_session_tls_add_cert (wrk->listen_fd, vcl_test_crt_rsa,
- vcl_test_crt_rsa_len);
- vppcom_session_tls_add_key (wrk->listen_fd, vcl_test_key_rsa,
- vcl_test_key_rsa_len);
- }
-
- rv = vppcom_session_bind (wrk->listen_fd, &vsm->cfg.endpt);
- if (rv < 0)
- vtfail ("vppcom_session_bind()", rv);
-
- if (!(vsm->cfg.proto == VPPCOM_PROTO_UDP))
- {
- rv = vppcom_session_listen (wrk->listen_fd, 10);
- if (rv < 0)
- vtfail ("vppcom_session_listen()", rv);
- }
-
- wrk->epfd = vppcom_epoll_create ();
- if (wrk->epfd < 0)
- vtfail ("vppcom_epoll_create()", wrk->epfd);
-
- listen_ev.events = EPOLLIN;
- listen_ev.data.u32 = ~0;
- rv = vppcom_epoll_ctl (wrk->epfd, EPOLL_CTL_ADD, wrk->listen_fd,
- &listen_ev);
- if (rv < 0)
- vtfail ("vppcom_epoll_ctl", rv);
-
- vsm->active_workers += 1;
- vtinf ("Waiting for a client to connect on port %d ...", vsm->cfg.port);
-}
-
-static int
-vts_conn_expect_config (vcl_test_server_conn_t * conn)
-{
- if (conn->cfg.test == VCL_TEST_TYPE_ECHO)
- return 1;
-
- return (conn->stats.rx_bytes < 128
- || conn->stats.rx_bytes > conn->cfg.total_bytes);
-}
-
-static vcl_test_cfg_t *
-vts_conn_read_config (vcl_test_server_conn_t * conn)
-{
- vcl_test_server_main_t *vsm = &vcl_server_main;
-
- if (vsm->use_ds)
- {
- /* We could avoid the copy if the first segment is big enough but this
- * just simplifies things */
- vppcom_data_segment_copy (conn->buf, conn->ds, sizeof (vcl_test_cfg_t));
- }
- return (vcl_test_cfg_t *) conn->buf;
-}
-
-static inline int
-vts_conn_read (vcl_test_server_conn_t * conn)
-{
- vcl_test_server_main_t *vsm = &vcl_server_main;
- if (vsm->use_ds)
- return vcl_test_read_ds (conn->fd, conn->ds, &conn->stats);
- else
- return vcl_test_read (conn->fd, conn->buf, conn->buf_size, &conn->stats);
-}
-
-static inline int
-vts_conn_has_ascii (vcl_test_server_conn_t * conn)
-{
- vcl_test_server_main_t *vsm = &vcl_server_main;
-
- if (vsm->use_ds)
- return isascii (conn->ds[0].data[0]);
- else
- return isascii (conn->buf[0]);
-}
-
-static void *
-vts_worker_loop (void *arg)
-{
- vcl_test_server_main_t *vsm = &vcl_server_main;
- vcl_test_server_worker_t *wrk = arg;
- vcl_test_server_conn_t *conn;
- int i, rx_bytes, num_ev;
- vcl_test_cfg_t *rx_cfg;
-
- if (wrk->wrk_index)
- vts_worker_init (wrk);
-
- while (1)
- {
- num_ev = vppcom_epoll_wait (wrk->epfd, wrk->wait_events,
- VCL_TEST_CFG_MAX_EPOLL_EVENTS, 60000.0);
- if (num_ev < 0)
- {
- vterr ("vppcom_epoll_wait()", num_ev);
- goto fail;
- }
- else if (num_ev == 0)
- {
- vtinf ("vppcom_epoll_wait() timeout!");
- continue;
- }
- for (i = 0; i < num_ev; i++)
- {
- conn = &wrk->conn_pool[wrk->wait_events[i].data.u32];
- if (wrk->wait_events[i].events & (EPOLLHUP | EPOLLRDHUP))
- {
- vppcom_session_close (conn->fd);
- wrk->nfds -= 1;
- if (!wrk->nfds)
- {
- vtinf ("All client connections closed\n");
- goto done;
- }
- continue;
- }
- if (wrk->wait_events[i].data.u32 == ~0)
- {
- vts_new_client (wrk);
- continue;
- }
-
- if (EPOLLIN & wrk->wait_events[i].events)
- {
- read_again:
- rx_bytes = vts_conn_read (conn);
-
- if (rx_bytes <= 0)
- {
- if (errno == ECONNRESET)
- {
- vtinf ("Connection reset by remote peer.\n");
- goto fail;
- }
- else
- continue;
- }
-
- if (vts_conn_expect_config (conn))
- {
- rx_cfg = vts_conn_read_config (conn);
- if (rx_cfg->magic == VCL_TEST_CFG_CTRL_MAGIC)
- {
- if (vsm->use_ds)
- vppcom_session_free_segments (conn->fd, conn->ds);
- vts_handle_cfg (wrk, rx_cfg, conn, rx_bytes);
- if (!wrk->nfds)
- {
- vtinf ("All client connections closed\n");
- goto done;
- }
- continue;
- }
- }
- if ((conn->cfg.test == VCL_TEST_TYPE_UNI)
- || (conn->cfg.test == VCL_TEST_TYPE_BI))
- {
- vts_server_rx (conn, rx_bytes);
- if (vppcom_session_attr (conn->fd, VPPCOM_ATTR_GET_NREAD, 0,
- 0) > 0)
- goto read_again;
- continue;
- }
- if (vts_conn_has_ascii (conn))
- {
- vts_server_echo (conn, rx_bytes);
- }
- else
- {
- vtwrn ("FIFO not drained! extra bytes %d", rx_bytes);
- }
- }
- else
- {
- vtwrn ("Unhandled event");
- goto fail;
- }
- }
- }
-
-fail:
- vsm->worker_fails -= 1;
-
-done:
- vppcom_session_close (wrk->listen_fd);
- if (wrk->conn_pool)
- free (wrk->conn_pool);
- vsm->active_workers -= 1;
- return 0;
-}
-
-int
-main (int argc, char **argv)
-{
- vcl_test_server_main_t *vsm = &vcl_server_main;
- int rv, i;
-
- clib_mem_init_thread_safe (0, 64 << 20);
- vsm->cfg.port = VCL_TEST_SERVER_PORT;
- vsm->cfg.workers = 1;
- vsm->active_workers = 0;
- vcl_test_server_process_opts (vsm, argc, argv);
-
- rv = vppcom_app_create ("vcl_test_server");
- if (rv)
- vtfail ("vppcom_app_create()", rv);
-
- vsm->workers = calloc (vsm->cfg.workers, sizeof (*vsm->workers));
- vts_worker_init (&vsm->workers[0]);
- for (i = 1; i < vsm->cfg.workers; i++)
- {
- vsm->workers[i].wrk_index = i;
- rv = pthread_create (&vsm->workers[i].thread_handle, NULL,
- vts_worker_loop, (void *) &vsm->workers[i]);
- }
- vts_worker_loop (&vsm->workers[0]);
-
- while (vsm->active_workers > 0)
- ;
-
- vppcom_app_destroy ();
- free (vsm->workers);
-
- return vsm->worker_fails;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */