chardev: teach socket to accept no addresses

The following patches are going to use CharSocket as a base class for
sockets that are created with a given fd (without a given address).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2021-07-25 23:59:12 +04:00
parent ff1a5810f6
commit 1b87751fb1

View File

@ -1248,6 +1248,10 @@ static int qmp_chardev_open_socket_server(Chardev *chr,
qio_net_listener_set_name(s->listener, name);
g_free(name);
if (s->addr->type == SOCKET_ADDRESS_TYPE_FD && !*s->addr->u.fd.str) {
goto skip_listen;
}
if (qio_net_listener_open_sync(s->listener, s->addr, 1, errp) < 0) {
object_unref(OBJECT(s->listener));
s->listener = NULL;
@ -1256,6 +1260,8 @@ static int qmp_chardev_open_socket_server(Chardev *chr,
qapi_free_SocketAddress(s->addr);
s->addr = socket_local_address(s->listener->sioc[0]->fd, errp);
skip_listen:
update_disconnected_filename(s);
if (is_waitconnect) {
@ -1466,9 +1472,9 @@ static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
SocketAddressLegacy *addr;
ChardevSocket *sock;
if ((!!path + !!fd + !!host) != 1) {
if ((!!path + !!fd + !!host) > 1) {
error_setg(errp,
"Exactly one of 'path', 'fd' or 'host' required");
"None or one of 'path', 'fd' or 'host' option required.");
return;
}
@ -1542,12 +1548,10 @@ static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
.has_ipv6 = qemu_opt_get(opts, "ipv6"),
.ipv6 = qemu_opt_get_bool(opts, "ipv6", 0),
};
} else if (fd) {
} else {
addr->type = SOCKET_ADDRESS_TYPE_FD;
addr->u.fd.data = g_new(String, 1);
addr->u.fd.data->str = g_strdup(fd);
} else {
g_assert_not_reached();
}
sock->addr = addr;
}