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tests/vhost-user-bridge: add client mode 

If -c is specified, vubr will try to connect to the socket instead of
listening for connections.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: Victor Kaplansky <victork@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-06-06 18:45:00 +02:00 committed by Michael S. Tsirkin
parent a6553598be
commit aef8486ede
1 changed files with 30 additions and 14 deletions
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44
tests/vhost-user-bridge.c
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@ -1204,12 +1204,13 @@ vubr_accept_cb(int sock, void *ctx)
}
static VubrDev *
vubr_new(const char *path)
vubr_new(const char *path, bool client)
{
VubrDev *dev = (VubrDev *) calloc(1, sizeof(VubrDev));
dev->nregions = 0;
int i;
struct sockaddr_un un;
CallbackFunc cb;
size_t len;
for (i = 0; i < MAX_NR_VIRTQUEUE; i++) {
@ -1238,21 +1239,30 @@ vubr_new(const char *path)
un.sun_family = AF_UNIX;
strcpy(un.sun_path, path);
len = sizeof(un.sun_family) + strlen(path);
unlink(path);
if (bind(dev->sock, (struct sockaddr *) &un, len) == -1) {
vubr_die("bind");
}
if (!client) {
unlink(path);
if (listen(dev->sock, 1) == -1) {
vubr_die("listen");
if (bind(dev->sock, (struct sockaddr *) &un, len) == -1) {
vubr_die("bind");
}
if (listen(dev->sock, 1) == -1) {
vubr_die("listen");
}
cb = vubr_accept_cb;
DPRINT("Waiting for connections on UNIX socket %s ...\n", path);
} else {
if (connect(dev->sock, (struct sockaddr *)&un, len) == -1) {
vubr_die("connect");
}
cb = vubr_receive_cb;
}
dispatcher_init(&dev->dispatcher);
dispatcher_add(&dev->dispatcher, dev->sock, (void *)dev,
vubr_accept_cb);
dispatcher_add(&dev->dispatcher, dev->sock, (void *)dev, cb);
DPRINT("Waiting for connections on UNIX socket %s ...\n", path);
return dev;
}
@ -1369,8 +1379,9 @@ main(int argc, char *argv[])
{
VubrDev *dev;
int opt;
bool client = false;
while ((opt = getopt(argc, argv, "l:r:u:")) != -1) {
while ((opt = getopt(argc, argv, "l:r:u:c")) != -1) {
switch (opt) {
case 'l':
@ -1386,16 +1397,20 @@ main(int argc, char *argv[])
case 'u':
ud_socket_path = strdup(optarg);
break;
case 'c':
client = true;
break;
default:
goto out;
}
}
DPRINT("ud socket: %s\n", ud_socket_path);
DPRINT("ud socket: %s (%s)\n", ud_socket_path,
client ? "client" : "server");
DPRINT("local: %s:%s\n", lhost, lport);
DPRINT("remote: %s:%s\n", rhost, rport);
dev = vubr_new(ud_socket_path);
dev = vubr_new(ud_socket_path, client);
if (!dev) {
return 1;
}
@ -1406,13 +1421,14 @@ main(int argc, char *argv[])
out:
fprintf(stderr, "Usage: %s ", argv[0]);
fprintf(stderr, "[-u ud_socket_path] [-l lhost:lport] [-r rhost:rport]\n");
fprintf(stderr, "[-c] [-u ud_socket_path] [-l lhost:lport] [-r rhost:rport]\n");
fprintf(stderr, "\t-u path to unix doman socket. default: %s\n",
DEFAULT_UD_SOCKET);
fprintf(stderr, "\t-l local host and port. default: %s:%s\n",
DEFAULT_LHOST, DEFAULT_LPORT);
fprintf(stderr, "\t-r remote host and port. default: %s:%s\n",
DEFAULT_RHOST, DEFAULT_RPORT);
fprintf(stderr, "\t-c client mode\n");
return 1;
}