diff options
Diffstat (limited to 'src/vcl/sock_test_server.c')
-rw-r--r-- | src/vcl/sock_test_server.c | 1015 |
1 files changed, 0 insertions, 1015 deletions
diff --git a/src/vcl/sock_test_server.c b/src/vcl/sock_test_server.c deleted file mode 100644 index 2e678c3899a..00000000000 --- a/src/vcl/sock_test_server.c +++ /dev/null @@ -1,1015 +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 <vcl/sock_test.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <sys/ioctl.h> - -#define SOCK_SERVER_USE_EPOLL 1 -#define VPPCOM_SESSION_ATTR_UNIT_TEST 0 - -#if SOCK_SERVER_USE_EPOLL -#include <sys/epoll.h> -#if !defined(VCL_TEST) -#include <sys/un.h> -#endif -#endif - -#ifdef VCL_TEST -#if VPPCOM_SESSION_ATTR_UNIT_TEST -#define BUFLEN sizeof (uint64_t) * 16 -uint64_t buffer[16]; -uint32_t buflen = BUFLEN; -uint32_t *flags = (uint32_t *) buffer; -#endif -#endif - -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; -#ifdef VCL_TEST - vppcom_endpt_t endpt; - uint8_t ip[16]; -#endif -} sock_server_conn_t; - -typedef struct -{ - uint32_t port; - uint32_t address_ip6; - uint32_t transport_udp; -} sock_server_cfg_t; - -#define SOCK_SERVER_MAX_TEST_CONN 10 -#define SOCK_SERVER_MAX_EPOLL_EVENTS 10 -typedef struct -{ - int listen_fd; - sock_server_cfg_t cfg; -#if SOCK_SERVER_USE_EPOLL - int epfd; - struct epoll_event listen_ev; - struct epoll_event wait_events[SOCK_SERVER_MAX_EPOLL_EVENTS]; -#if !defined (VCL_TEST) - int af_unix_listen_fd; - int af_unix_fd; - struct epoll_event af_unix_listen_ev; - struct sockaddr_un serveraddr; - uint32_t af_unix_xacts; -#endif -#endif - size_t num_conn; - size_t conn_pool_size; - sock_server_conn_t *conn_pool; - int nfds; - fd_set rd_fdset; - fd_set wr_fdset; - struct timeval timeout; -} sock_server_main_t; - -sock_server_main_t sock_server_main; - -#if ! SOCK_SERVER_USE_EPOLL -static inline int -get_nfds (void) -{ - sock_server_main_t *ssm = &sock_server_main; - int i, nfds; - - for (nfds = i = 0; i < FD_SETSIZE; i++) - { - if (FD_ISSET (i, &ssm->rd_fdset) || FD_ISSET (i, &ssm->wr_fdset)) - nfds = i + 1; - } - return nfds; -} - -static inline void -conn_fdset_set (sock_server_conn_t * conn, fd_set * fdset) -{ - sock_server_main_t *ssm = &sock_server_main; - - FD_SET (conn->fd, fdset); - ssm->nfds = get_nfds (); -} - -static inline void -conn_fdset_clr (sock_server_conn_t * conn, fd_set * fdset) -{ - sock_server_main_t *ssm = &sock_server_main; - - FD_CLR (conn->fd, fdset); - ssm->nfds = get_nfds (); -} -#endif - -static inline void -conn_pool_expand (size_t expand_size) -{ - sock_server_main_t *ssm = &sock_server_main; - sock_server_conn_t *conn_pool; - size_t new_size = ssm->conn_pool_size + expand_size; - int i; - - conn_pool = realloc (ssm->conn_pool, new_size * sizeof (*ssm->conn_pool)); - if (conn_pool) - { - for (i = ssm->conn_pool_size; i < new_size; i++) - { - sock_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; - } - - ssm->conn_pool = conn_pool; - ssm->conn_pool_size = new_size; - } - else - { - int errno_val = errno; - perror ("ERROR in conn_pool_expand()"); - fprintf (stderr, "SERVER: ERROR: Memory allocation " - "failed (errno = %d)!\n", errno_val); - } -} - -static inline sock_server_conn_t * -conn_pool_alloc (void) -{ - sock_server_main_t *ssm = &sock_server_main; - int i; - - for (i = 0; i < ssm->conn_pool_size; i++) - { - if (!ssm->conn_pool[i].is_alloc) - { -#ifdef VCL_TEST - ssm->conn_pool[i].endpt.ip = ssm->conn_pool[i].ip; -#endif - ssm->conn_pool[i].is_alloc = 1; - return (&ssm->conn_pool[i]); - } - } - - return 0; -} - -static inline void -conn_pool_free (sock_server_conn_t * conn) -{ -#if ! SOCK_SERVER_USE_EPOLL - sock_server_main_t *ssm = &sock_server_main; - - conn_fdset_clr (conn, &ssm->rd_fdset); - conn_fdset_clr (conn, &ssm->wr_fdset); -#endif - conn->fd = 0; - conn->is_alloc = 0; -} - -static inline void -sync_config_and_reply (sock_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) - { - printf ("\nSERVER (fd %d): Replying to cfg message!\n", conn->fd); - vcl_test_cfg_dump (&conn->cfg, 0 /* is_client */ ); - } - (void) sock_test_write (conn->fd, (uint8_t *) & conn->cfg, - sizeof (conn->cfg), NULL, conn->cfg.verbose); -} - -static void -stream_test_server_start_stop (sock_server_conn_t * conn, - vcl_test_cfg_t * rx_cfg) -{ - sock_server_main_t *ssm = &sock_server_main; - int client_fd = conn->fd; - vcl_test_t test = rx_cfg->test; - - if (rx_cfg->ctrl_handle == conn->fd) - { - int i; - clock_gettime (CLOCK_REALTIME, &conn->stats.stop); - - for (i = 0; i < ssm->conn_pool_size; i++) - { - sock_server_conn_t *tc = &ssm->conn_pool[i]; - - if (tc->cfg.ctrl_handle == conn->fd) - { - vcl_test_stats_accumulate (&conn->stats, &tc->stats); - - if (conn->cfg.verbose) - { - static char buf[64]; - - sprintf (buf, "SERVER (fd %d) RESULTS", tc->fd); - vcl_test_stats_dump (buf, &tc->stats, 1 /* show_rx */ , - test == VCL_TEST_TYPE_BI - /* show tx */ , - conn->cfg.verbose); - } - } - } - - vcl_test_stats_dump ("SERVER RESULTS", &conn->stats, 1 /* show_rx */ , - (test == VCL_TEST_TYPE_BI) /* show_tx */ , - conn->cfg.verbose); - vcl_test_cfg_dump (&conn->cfg, 0 /* is_client */ ); - if (conn->cfg.verbose) - { - printf (" sock 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); - printf ("\nSERVER (fd %d): %s-directional Stream Test Complete!\n" - SOCK_TEST_BANNER_STRING "\n", conn->fd, - test == VCL_TEST_TYPE_BI ? "Bi" : "Uni"); - } - else - { - printf ("\n" SOCK_TEST_BANNER_STRING - "SERVER (fd %d): %s-directional Stream Test!\n" - " Sending client the test cfg to start streaming data...\n", - client_fd, test == VCL_TEST_TYPE_BI ? "Bi" : "Uni"); - - rx_cfg->ctrl_handle = (rx_cfg->ctrl_handle == ~0) ? conn->fd : - rx_cfg->ctrl_handle; - - 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 -stream_test_server (sock_server_conn_t * conn, int rx_bytes) -{ - int client_fd = conn->fd; - vcl_test_t test = conn->cfg.test; - - if (test == VCL_TEST_TYPE_BI) - (void) sock_test_write (client_fd, conn->buf, rx_bytes, &conn->stats, - conn->cfg.verbose); - - if (conn->stats.rx_bytes >= conn->cfg.total_bytes) - { - clock_gettime (CLOCK_REALTIME, &conn->stats.stop); - } -} - -#if SOCK_SERVER_USE_EPOLL && !defined (VCL_TEST) -static inline void -af_unix_echo (void) -{ - sock_server_main_t *ssm = &sock_server_main; - int af_unix_client_fd; - int rv; - int errno_val; - uint8_t buffer[256]; - size_t nbytes = strlen (SOCK_TEST_MIXED_EPOLL_DATA) + 1; - -#if HAVE_ACCEPT4 - af_unix_client_fd = accept4 (ssm->af_unix_listen_fd, - (struct sockaddr *) NULL, NULL, NULL); -#else - af_unix_client_fd = accept (ssm->af_unix_listen_fd, - (struct sockaddr *) NULL, NULL); -#endif - if (af_unix_client_fd < 0) - { - errno_val = errno; - perror ("ERROR in af_unix_accept()"); - fprintf (stderr, "SERVER: ERROR: accept failed " - "(errno = %d)!\n", errno_val); - return; - } - - printf ("SERVER: Got an AF_UNIX connection -- fd = %d (0x%08x)!\n", - af_unix_client_fd, af_unix_client_fd); - - memset (buffer, 0, sizeof (buffer)); - - rv = read (af_unix_client_fd, buffer, nbytes); - if (rv < 0) - { - errno_val = errno; - perror ("ERROR in af_unix_echo(): read() failed"); - fprintf (stderr, "SERVER: ERROR: read(af_unix_client_fd %d (0x%x), " - "\"%s\", nbytes %lu) failed (errno = %d)!\n", - af_unix_client_fd, af_unix_client_fd, buffer, nbytes, - errno_val); - goto done; - } - - printf ("SERVER (AF_UNIX): RX (%d bytes) - '%s'\n", rv, buffer); - - if (!strncmp (SOCK_TEST_MIXED_EPOLL_DATA, (const char *) buffer, nbytes)) - { - rv = write (af_unix_client_fd, buffer, nbytes); - if (rv < 0) - { - errno_val = errno; - perror ("ERROR in af_unix_echo(): write() failed"); - fprintf (stderr, - "SERVER: ERROR: write(af_unix_client_fd %d (0x%x), " - "\"%s\", nbytes %ld) failed (errno = %d)!\n", - af_unix_client_fd, af_unix_client_fd, buffer, nbytes, - errno_val); - goto done; - } - printf ("SERVER (AF_UNIX): TX (%d bytes) - '%s'\n", rv, buffer); - ssm->af_unix_xacts++; - } -done: - close (af_unix_client_fd); -} - -#endif - -static inline void -new_client (void) -{ - sock_server_main_t *ssm = &sock_server_main; - int client_fd; - sock_server_conn_t *conn; - - if (ssm->conn_pool_size < (ssm->num_conn + SOCK_SERVER_MAX_TEST_CONN + 1)) - conn_pool_expand (SOCK_SERVER_MAX_TEST_CONN + 1); - - conn = conn_pool_alloc (); - if (!conn) - { - fprintf (stderr, "\nSERVER: ERROR: No free connections!\n"); - return; - } - -#ifdef VCL_TEST - client_fd = vppcom_session_accept (ssm->listen_fd, &conn->endpt, 0); - if (client_fd < 0) - errno = -client_fd; -#elif HAVE_ACCEPT4 - client_fd = accept4 (ssm->listen_fd, (struct sockaddr *) NULL, NULL, NULL); -#else - client_fd = accept (ssm->listen_fd, (struct sockaddr *) NULL, NULL); -#endif - if (client_fd < 0) - { - int errno_val; - errno_val = errno; - perror ("ERROR in new_client()"); - fprintf (stderr, "SERVER: ERROR: accept failed " - "(errno = %d)!\n", errno_val); - return; - } - - printf ("SERVER: Got a connection -- fd = %d (0x%08x)!\n", - client_fd, client_fd); - - conn->fd = client_fd; - -#if ! SOCK_SERVER_USE_EPOLL - conn_fdset_set (conn, &ssm->rd_fdset); - ssm->nfds++; -#else - { - struct epoll_event ev; - int rv; - - ev.events = EPOLLIN; - ev.data.u64 = conn - ssm->conn_pool; -#ifdef VCL_TEST - rv = vppcom_epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, client_fd, &ev); - if (rv) - errno = -rv; -#else - rv = epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, client_fd, &ev); -#endif - if (rv < 0) - { - int errno_val; - errno_val = errno; - perror ("ERROR in new_client()"); - fprintf (stderr, "SERVER: ERROR: epoll_ctl failed (errno = %d)!\n", - errno_val); - } - else - ssm->nfds++; - } -#endif -} - -void -print_usage_and_exit (void) -{ - fprintf (stderr, - "sock_test_server [OPTIONS] <port>\n" - " OPTIONS\n" - " -h Print this message and exit.\n" - " -6 Use IPv6\n" - " -u Use UDP transport layer\n"); - exit (1); -} - -int -main (int argc, char **argv) -{ - sock_server_main_t *ssm = &sock_server_main; - int client_fd, rv, main_rv = 0; - int tx_bytes, rx_bytes, nbytes; - sock_server_conn_t *conn; - vcl_test_cfg_t *rx_cfg; - uint32_t xtra = 0; - uint64_t xtra_bytes = 0; - struct sockaddr_storage servaddr; - int errno_val; - int c, v, i; - uint16_t port = VCL_TEST_SERVER_PORT; -#if ! SOCK_SERVER_USE_EPOLL - fd_set _rfdset, *rfdset = &_rfdset; -#endif -#ifdef VCL_TEST - vppcom_endpt_t endpt; -#else - uint32_t servaddr_size; -#if ! SOCK_SERVER_USE_EPOLL - fd_set _wfdset, *wfdset = &_wfdset; -#endif -#endif - - opterr = 0; - while ((c = getopt (argc, argv, "6D")) != -1) - switch (c) - { - case '6': - ssm->cfg.address_ip6 = 1; - break; - - case 'D': - ssm->cfg.transport_udp = 1; - break; - - case '?': - switch (optopt) - { - default: - if (isprint (optopt)) - fprintf (stderr, "SERVER: ERROR: Unknown " - "option `-%c'.\n", optopt); - else - fprintf (stderr, "SERVER: ERROR: Unknown " - "option character `\\x%x'.\n", 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) - port = (uint16_t) v; - else - { - fprintf (stderr, "SERVER: ERROR: Invalid port (%s)!\n", argv[optind]); - print_usage_and_exit (); - } - - conn_pool_expand (SOCK_SERVER_MAX_TEST_CONN + 1); - -#ifdef VCL_TEST - rv = vppcom_app_create ("vcl_test_server"); - if (rv) - { - errno = -rv; - ssm->listen_fd = -1; - } - else - { - ssm->listen_fd = vppcom_session_create (ssm->cfg.transport_udp ? - VPPCOM_PROTO_UDP : - VPPCOM_PROTO_TCP, - 0 /* is_nonblocking */ ); - } -#else - ssm->listen_fd = socket (ssm->cfg.address_ip6 ? AF_INET6 : AF_INET, - ssm->cfg.transport_udp ? SOCK_DGRAM : SOCK_STREAM, - 0); -#if SOCK_SERVER_USE_EPOLL && !defined (VCL_TEST) - unlink ((const char *) SOCK_TEST_AF_UNIX_FILENAME); - ssm->af_unix_listen_fd = socket (AF_UNIX, SOCK_STREAM, 0); - if (ssm->af_unix_listen_fd < 0) - { - errno_val = errno; - perror ("ERROR in main(): socket(AF_UNIX) failed"); - fprintf (stderr, - "SERVER: ERROR: socket(AF_UNIX, SOCK_STREAM, 0) failed " - "(errno = %d)!\n", errno_val); - return ssm->af_unix_listen_fd; - } - - memset (&ssm->serveraddr, 0, sizeof (ssm->serveraddr)); - ssm->serveraddr.sun_family = AF_UNIX; - strcpy (ssm->serveraddr.sun_path, SOCK_TEST_AF_UNIX_FILENAME); - - rv = bind (ssm->af_unix_listen_fd, (struct sockaddr *) &ssm->serveraddr, - SUN_LEN (&ssm->serveraddr)); - if (rv < 0) - { - errno_val = errno; - perror ("ERROR in main(): bind(SOCK_TEST_AF_UNIX_FILENAME) failed"); - fprintf (stderr, "SERVER: ERROR: bind() fd %d, \"%s\": " - "failed (errno = %d)!\n", ssm->af_unix_listen_fd, - SOCK_TEST_AF_UNIX_FILENAME, errno_val); - close (ssm->af_unix_listen_fd); - unlink ((const char *) SOCK_TEST_AF_UNIX_FILENAME); - return rv; - } - - rv = listen (ssm->af_unix_listen_fd, 10); - if (rv < 0) - { - errno_val = errno; - perror ("ERROR in main(): listen(AF_UNIX) failed"); - fprintf (stderr, "SERVER: ERROR: listen() fd %d, \"%s\": " - "failed (errno = %d)!\n", ssm->af_unix_listen_fd, - SOCK_TEST_AF_UNIX_FILENAME, errno_val); - close (ssm->af_unix_listen_fd); - unlink ((const char *) SOCK_TEST_AF_UNIX_FILENAME); - return rv; - } -#endif /* SOCK_SERVER_USE_EPOLL */ -#endif - if (ssm->listen_fd < 0) - { - errno_val = errno; - perror ("ERROR in main()"); - fprintf (stderr, "SERVER: ERROR: socket() failed " - "(errno = %d)!\n", errno_val); - return ssm->listen_fd; - } - - memset (&servaddr, 0, sizeof (servaddr)); - - if (ssm->cfg.address_ip6) - { - struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) &servaddr; -#ifndef VCL_TEST - servaddr_size = sizeof (*server_addr); -#endif - server_addr->sin6_family = AF_INET6; - server_addr->sin6_addr = in6addr_any; - server_addr->sin6_port = htons (port); - } - else - { - struct sockaddr_in *server_addr = (struct sockaddr_in *) &servaddr; -#ifndef VCL_TEST - servaddr_size = sizeof (*server_addr); -#endif - server_addr->sin_family = AF_INET; - server_addr->sin_addr.s_addr = htonl (INADDR_ANY); - server_addr->sin_port = htons (port); - } - -#ifdef VCL_TEST - if (ssm->cfg.address_ip6) - { - struct sockaddr_in6 *server_addr = (struct sockaddr_in6 *) &servaddr; - endpt.is_ip4 = 0; - endpt.ip = (uint8_t *) & server_addr->sin6_addr; - endpt.port = (uint16_t) server_addr->sin6_port; - } - else - { - struct sockaddr_in *server_addr = (struct sockaddr_in *) &servaddr; - endpt.is_ip4 = 1; - endpt.ip = (uint8_t *) & server_addr->sin_addr; - endpt.port = (uint16_t) server_addr->sin_port; - } - - rv = vppcom_session_bind (ssm->listen_fd, &endpt); - if (rv) - { - errno = -rv; - rv = -1; - } -#else - rv = bind (ssm->listen_fd, (struct sockaddr *) &servaddr, servaddr_size); -#endif - if (rv < 0) - { - errno_val = errno; - perror ("ERROR in main()"); - fprintf (stderr, "SERVER: ERROR: bind failed (errno = %d)!\n", - errno_val); - return rv; - } - if (fcntl (ssm->listen_fd, F_SETFL, O_NONBLOCK) < 0) - { - errno_val = errno; - perror ("ERROR in main()"); - fprintf (stderr, "SERVER: ERROR: fcntl failed (errno = %d)!\n", - errno_val); - return rv; - } - -#ifdef VCL_TEST - rv = vppcom_session_listen (ssm->listen_fd, 10); - if (rv) - { - errno = -rv; - rv = -1; - } -#else - rv = listen (ssm->listen_fd, 10); -#endif - if (rv < 0) - { - errno_val = errno; - perror ("ERROR in main()"); - fprintf (stderr, "SERVER: ERROR: listen failed " - "(errno = %d)!\n", errno_val); - return rv; - } - -#if ! SOCK_SERVER_USE_EPOLL - - FD_ZERO (&ssm->wr_fdset); - FD_ZERO (&ssm->rd_fdset); - - FD_SET (ssm->listen_fd, &ssm->rd_fdset); - ssm->nfds = ssm->listen_fd + 1; - -#else -#ifdef VCL_TEST - ssm->epfd = vppcom_epoll_create (); - if (ssm->epfd < 0) - errno = -ssm->epfd; -#else - ssm->epfd = epoll_create (1); -#endif - if (ssm->epfd < 0) - { - errno_val = errno; - perror ("ERROR in main()"); - fprintf (stderr, "SERVER: ERROR: epoll_create failed (errno = %d)!\n", - errno_val); - return ssm->epfd; - } - - ssm->listen_ev.events = EPOLLIN; - ssm->listen_ev.data.u32 = ~0; -#ifdef VCL_TEST - rv = vppcom_epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, ssm->listen_fd, - &ssm->listen_ev); - if (rv < 0) - errno = -rv; -#else - ssm->af_unix_listen_ev.events = EPOLLIN; - ssm->af_unix_listen_ev.data.u32 = SOCK_TEST_AF_UNIX_ACCEPT_DATA; - rv = epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, ssm->af_unix_listen_fd, - &ssm->af_unix_listen_ev); - if (rv < 0) - { - errno_val = errno; - perror ("ERROR in main(): mixed epoll_ctl(EPOLL_CTL_ADD)"); - fprintf (stderr, "SERVER: ERROR: mixed epoll_ctl(epfd %d (0x%x), " - "EPOLL_CTL_ADD, af_unix_listen_fd %d (0x%x), EPOLLIN) failed " - "(errno = %d)!\n", ssm->epfd, ssm->epfd, - ssm->af_unix_listen_fd, ssm->af_unix_listen_fd, errno_val); - close (ssm->af_unix_listen_fd); - unlink ((const char *) SOCK_TEST_AF_UNIX_FILENAME); - return rv; - } - - rv = epoll_ctl (ssm->epfd, EPOLL_CTL_ADD, ssm->listen_fd, &ssm->listen_ev); -#endif - if (rv < 0) - { - errno_val = errno; - perror ("ERROR in main()"); - fprintf (stderr, "SERVER: ERROR: epoll_ctl failed " - "(errno = %d)!\n", errno_val); - return rv; - } -#endif - - printf ("\nSERVER: Waiting for a client to connect on port %d...\n", port); - - while (1) - { -#if ! SOCK_SERVER_USE_EPOLL - _rfdset = ssm->rd_fdset; - -#ifdef VCL_TEST - rv = vppcom_select (ssm->nfds, (unsigned long *) rfdset, NULL, NULL, 0); -#else - { - struct timeval timeout; - timeout = ssm->timeout; - _wfdset = ssm->wr_fdset; - rv = select (ssm->nfds, rfdset, wfdset, NULL, &timeout); - } -#endif - if (rv < 0) - { - perror ("select()"); - fprintf (stderr, "\nSERVER: ERROR: select() failed -- aborting!\n"); - main_rv = -1; - goto done; - } - else if (rv == 0) - continue; - - if (FD_ISSET (ssm->listen_fd, rfdset)) - new_client (); - - for (i = 0; i < ssm->conn_pool_size; i++) - { - if (!ssm->conn_pool[i].is_alloc) - continue; - - conn = &ssm->conn_pool[i]; -#else - int num_ev; -#ifdef VCL_TEST - num_ev = vppcom_epoll_wait (ssm->epfd, ssm->wait_events, - SOCK_SERVER_MAX_EPOLL_EVENTS, 60.0); - if (num_ev < 0) - errno = -num_ev; -#else - num_ev = epoll_wait (ssm->epfd, ssm->wait_events, - SOCK_SERVER_MAX_EPOLL_EVENTS, 60000); -#endif - if (num_ev < 0) - { - perror ("epoll_wait()"); - fprintf (stderr, "\nSERVER: ERROR: epoll_wait() " - "failed -- aborting!\n"); - main_rv = -1; - goto done; - } - if (num_ev == 0) - { - fprintf (stderr, "\nSERVER: epoll_wait() timeout!\n"); - continue; - } - for (i = 0; i < num_ev; i++) - { - conn = &ssm->conn_pool[ssm->wait_events[i].data.u32]; - if (ssm->wait_events[i].events & (EPOLLHUP | EPOLLRDHUP)) - { -#ifdef VCL_TEST - vppcom_session_close (conn->fd); -#else - close (conn->fd); -#endif - continue; - } - if (ssm->wait_events[i].data.u32 == ~0) - { - new_client (); - continue; - } -#if !defined (VCL_TEST) - else if (ssm->wait_events[i].data.u32 == - SOCK_TEST_AF_UNIX_ACCEPT_DATA) - { - af_unix_echo (); - continue; - } -#endif -#endif - client_fd = conn->fd; - -#if ! SOCK_SERVER_USE_EPOLL - if (FD_ISSET (client_fd, rfdset)) -#else - if (EPOLLIN & ssm->wait_events[i].events) -#endif - { - read_again: - rx_bytes = sock_test_read (client_fd, conn->buf, - conn->buf_size, &conn->stats); - if (rx_bytes > 0) - { - rx_cfg = (vcl_test_cfg_t *) conn->buf; - if (rx_cfg->magic == VCL_TEST_CFG_CTRL_MAGIC) - { - if (rx_cfg->verbose) - { - printf ("SERVER (fd %d): Received a cfg message!\n", - client_fd); - vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ ); - } - - if (rx_bytes != sizeof (*rx_cfg)) - { - printf ("SERVER (fd %d): Invalid cfg message " - "size (%d)!\n Should be %lu bytes.\n", - client_fd, rx_bytes, sizeof (*rx_cfg)); - conn->cfg.rxbuf_size = 0; - conn->cfg.num_writes = 0; - if (conn->cfg.verbose) - { - printf ("SERVER (fd %d): Replying to " - "cfg message!\n", client_fd); - vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ ); - } - sock_test_write (client_fd, (uint8_t *) & conn->cfg, - sizeof (conn->cfg), NULL, - conn->cfg.verbose); - continue; - } - - 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: - stream_test_server_start_stop (conn, rx_cfg); - break; - - case VCL_TEST_TYPE_EXIT: - printf ("SERVER: Have a great day, " - "connection %d!\n", client_fd); -#ifdef VCL_TEST - vppcom_session_close (client_fd); -#else - close (client_fd); -#endif - conn_pool_free (conn); - printf ("SERVER: Closed client fd %d\n", client_fd); -#if ! SOCK_SERVER_USE_EPOLL - if (ssm->nfds == (ssm->listen_fd + 1)) -#else - ssm->nfds--; - if (!ssm->nfds) -#endif - { - printf ("SERVER: All client connections " - "closed.\n\nSERVER: " - "May the force be with you!\n\n"); - goto done; - } - break; - - default: - fprintf (stderr, - "SERVER: ERROR: Unknown test type!\n"); - vcl_test_cfg_dump (rx_cfg, 0 /* is_client */ ); - break; - } - continue; - } - - else if ((conn->cfg.test == VCL_TEST_TYPE_UNI) || - (conn->cfg.test == VCL_TEST_TYPE_BI)) - { - stream_test_server (conn, rx_bytes); - if (ioctl (conn->fd, FIONREAD)) - goto read_again; - continue; - } - - else if (isascii (conn->buf[0])) - { - // If it looks vaguely like a string, make sure it's terminated - ((char *) conn->buf)[rx_bytes < - conn->buf_size ? rx_bytes : - conn->buf_size - 1] = 0; - printf ("SERVER (fd %d): RX (%d bytes) - '%s'\n", - conn->fd, rx_bytes, conn->buf); - } - } - else // rx_bytes < 0 - { - if (errno == ECONNRESET) - { - printf ("\nSERVER: Connection reset by remote peer.\n" - " Y'all have a great day now!\n\n"); - break; - } - else - continue; - } - - if (isascii (conn->buf[0])) - { - /* If it looks vaguely like a string, - * make sure it's terminated - */ - ((char *) conn->buf)[rx_bytes < - conn->buf_size ? rx_bytes : - conn->buf_size - 1] = 0; - if (xtra) - fprintf (stderr, "SERVER: ERROR: " - "FIFO not drained in previous test!\n" - " extra chunks %u (0x%x)\n" - " extra bytes %lu (0x%lx)\n", - xtra, xtra, xtra_bytes, xtra_bytes); - - xtra = 0; - xtra_bytes = 0; - - if (conn->cfg.verbose) - printf ("SERVER (fd %d): Echoing back\n", client_fd); - - nbytes = strlen ((const char *) conn->buf) + 1; - - tx_bytes = sock_test_write (client_fd, conn->buf, - nbytes, &conn->stats, - conn->cfg.verbose); - if (tx_bytes >= 0) - printf ("SERVER (fd %d): TX (%d bytes) - '%s'\n", - conn->fd, tx_bytes, conn->buf); - } - - else // Extraneous read data from non-echo tests??? - { - xtra++; - xtra_bytes += rx_bytes; - } - } - } - } - -done: -#ifdef VCL_TEST - vppcom_session_close (ssm->listen_fd); - vppcom_app_destroy (); -#else - close (ssm->listen_fd); - -#if SOCK_SERVER_USE_EPOLL && !defined (VCL_TEST) - close (ssm->af_unix_listen_fd); - unlink ((const char *) SOCK_TEST_AF_UNIX_FILENAME); -#endif /* SOCK_SERVER_USE_EPOLL */ - -#endif - if (ssm->conn_pool) - free (ssm->conn_pool); - - return main_rv; -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |