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authorMarc-André Lureau <marcandre.lureau@redhat.com>2021-07-25 23:59:12 +0400
committerMarc-André Lureau <marcandre.lureau@redhat.com>2021-12-21 10:50:22 +0400
commit1b87751fb122479429ee90c7efeab64f588c7641 (patch)
treedcf200a634f6ba01c12f5e5d833dd7442a785d93 /chardev
parentff1a5810f61f78b47ddad995f49bcc70171d9e38 (diff)
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>
Diffstat (limited to 'chardev')
-rw-r--r--chardev/char-socket.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index 836cfa0bc2..a2b02e021d 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -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;
}