#if SOCK_SERVER_USE_EPOLL
#include <sys/epoll.h>
+#if !defined(VCL_TEST)
+#include <sys/un.h>
+#endif
#endif
#ifdef VCL_TEST
#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;
}
}
+#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)
{
#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_test_cfg_t *rx_cfg;
uint32_t xtra = 0;
uint64_t xtra_bytes = 0;
- struct sockaddr_in servaddr;
+ struct sockaddr_storage servaddr;
int errno_val;
- int v, i;
+ int c, v, i;
uint16_t port = SOCK_TEST_SERVER_PORT;
#if ! SOCK_SERVER_USE_EPOLL
fd_set _rfdset, *rfdset = &_rfdset;
#ifdef VCL_TEST
vppcom_endpt_t endpt;
#else
+ uint32_t servaddr_size;
#if ! SOCK_SERVER_USE_EPOLL
fd_set _wfdset, *wfdset = &_wfdset;
#endif
#endif
- if ((argc == 2) && (sscanf (argv[1], "%d", &v) == 1))
+ 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);
}
else
{
- ssm->listen_fd =
- vppcom_session_create (VPPCOM_PROTO_TCP, 0 /* is_nonblocking */ );
+ ssm->listen_fd = vppcom_session_create (ssm->cfg.transport_udp ?
+ VPPCOM_PROTO_UDP :
+ VPPCOM_PROTO_TCP,
+ 0 /* is_nonblocking */ );
}
#else
- ssm->listen_fd = socket (AF_INET, SOCK_STREAM, 0);
+ 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)
{
memset (&servaddr, 0, sizeof (servaddr));
- servaddr.sin_family = AF_INET;
- servaddr.sin_addr.s_addr = htonl (INADDR_ANY);
- servaddr.sin_port = htons (port);
+ 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
- endpt.is_ip4 = (servaddr.sin_family == AF_INET);
- endpt.ip = (uint8_t *) & servaddr.sin_addr;
- endpt.port = (uint16_t) servaddr.sin_port;
+ 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)
rv = -1;
}
#else
- rv =
- bind (ssm->listen_fd, (struct sockaddr *) &servaddr, sizeof (servaddr));
+ rv = bind (ssm->listen_fd, (struct sockaddr *) &servaddr, servaddr_size);
#endif
if (rv < 0)
{
return rv;
}
- printf ("\nSERVER: Waiting for a client to connect on port %d...\n", port);
-
#if ! SOCK_SERVER_USE_EPOLL
FD_ZERO (&ssm->wr_fdset);
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)
}
#endif
+ printf ("\nSERVER: Waiting for a client to connect on port %d...\n", port);
+
while (1)
{
#if ! SOCK_SERVER_USE_EPOLL
}
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;
}
- conn = &ssm->conn_pool[ssm->wait_events[i].data.u32];
+#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;
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);