From: Vladimir Sementsov-Ogievskiy <vladimir.sementsov-ogievs...@openvz.org>
Add possibility to change addresses where VNC server listens for new
connections. Prior to 6.0 this functionality was available through
'change' qmp command which was deleted.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@openvz.org>
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
Message-Id: <20220401143936.356460-3-vsement...@openvz.org>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
include/ui/console.h | 1 +
monitor/qmp-cmds.c | 15 ++++++++
ui/vnc.c | 23 ++++++++++++
docs/about/removed-features.rst | 3 +-
qapi/ui.json | 65 +++++++++++++++++++++++++++++++++
5 files changed, 106 insertions(+), 1 deletion(-)
diff --git a/include/ui/console.h b/include/ui/console.h
index 0f84861933e1..c44b28a972ca 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -518,6 +518,7 @@ int vnc_display_pw_expire(const char *id, time_t expires);
void vnc_parse(const char *str);
int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
bool vnc_display_reload_certs(const char *id, Error **errp);
+bool vnc_display_update(DisplayUpdateOptionsVNC *arg, Error **errp);
/* input.c */
int index_from_key(const char *key, size_t key_length);
diff --git a/monitor/qmp-cmds.c b/monitor/qmp-cmds.c
index 5e7302cbb995..1ebb89f46c12 100644
--- a/monitor/qmp-cmds.c
+++ b/monitor/qmp-cmds.c
@@ -346,6 +346,21 @@ void qmp_display_reload(DisplayReloadOptions *arg, Error
**errp)
}
}
+void qmp_display_update(DisplayUpdateOptions *arg, Error **errp)
+{
+ switch (arg->type) {
+ case DISPLAY_UPDATE_TYPE_VNC:
+#ifdef CONFIG_VNC
+ vnc_display_update(&arg->u.vnc, errp);
+#else
+ error_setg(errp, "vnc is invalid, missing 'CONFIG_VNC'");
+#endif
+ break;
+ default:
+ abort();
+ }
+}
+
static int qmp_x_query_rdma_foreach(Object *obj, void *opaque)
{
RdmaProvider *rdma;
diff --git a/ui/vnc.c b/ui/vnc.c
index 77a660fccb3f..b02cb3f405b9 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3981,6 +3981,29 @@ static int vnc_display_listen(VncDisplay *vd,
return 0;
}
+bool vnc_display_update(DisplayUpdateOptionsVNC *arg, Error **errp)
+{
+ VncDisplay *vd = vnc_display_find(NULL);
+
+ if (!vd) {
+ error_setg(errp, "Can not find vnc display");
+ return false;
+ }
+
+ if (arg->has_addresses) {
+ if (vd->listener) {
+ qio_net_listener_disconnect(vd->listener);
+ object_unref(OBJECT(vd->listener));
+ vd->listener = NULL;
+ }
+
+ if (vnc_display_listen(vd, arg->addresses, NULL, errp) < 0) {
+ return false;
+ }
+ }
+
+ return true;
+}
void vnc_display_open(const char *id, Error **errp)
{
diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
index 4b831ea29176..b367418ca7da 100644
--- a/docs/about/removed-features.rst
+++ b/docs/about/removed-features.rst
@@ -355,7 +355,8 @@ documentation of ``query-hotpluggable-cpus`` for additional
details.
``change`` (removed in 6.0)
'''''''''''''''''''''''''''
-Use ``blockdev-change-medium`` or ``change-vnc-password`` instead.
+Use ``blockdev-change-medium`` or ``change-vnc-password`` or
+``display-update`` instead.
``query-events`` (removed in 6.0)
'''''''''''''''''''''''''''''''''
diff --git a/qapi/ui.json b/qapi/ui.json
index 596f37fc37aa..059302a5efcb 100644
--- a/qapi/ui.json
+++ b/qapi/ui.json
@@ -1468,3 +1468,68 @@
{ 'command': 'display-reload',
'data': 'DisplayReloadOptions',
'boxed' : true }
+
+##
+# @DisplayUpdateType:
+#
+# Available DisplayUpdate types.
+#
+# @vnc: VNC display
+#
+# Since: 7.1
+#
+##
+{ 'enum': 'DisplayUpdateType',
+ 'data': ['vnc'] }
+
+##
+# @DisplayUpdateOptionsVNC:
+#
+# Specify the VNC reload options.
+#
+# @addresses: If specified, change set of addresses
+# to listen for connections. Addresses configured
+# for websockets are not touched.
+#
+# Since: 7.1
+#
+##
+{ 'struct': 'DisplayUpdateOptionsVNC',
+ 'data': { '*addresses': ['SocketAddress'] } }
+
+##
+# @DisplayUpdateOptions:
+#
+# Options of the display configuration reload.
+#
+# @type: Specify the display type.
+#
+# Since: 7.1
+#
+##
+{ 'union': 'DisplayUpdateOptions',
+ 'base': {'type': 'DisplayUpdateType'},
+ 'discriminator': 'type',
+ 'data': { 'vnc': 'DisplayUpdateOptionsVNC' } }
+
+##
+# @display-update:
+#
+# Update display configuration.
+#
+# Returns: Nothing on success.
+#
+# Since: 7.1
+#
+# Example:
+#
+# -> { "execute": "display-update",
+# "arguments": { "type": "vnc", "addresses":
+# [ { "type": "inet", "host": "0.0.0.0",
+# "port": "5901" } ] } }
+# <- { "return": {} }
+#
+##
+{ 'command': 'display-update',
+ 'data': 'DisplayUpdateOptions',
+ 'boxed' : true }
--
2.35.1
