ui/dbus: add p2p=on/off option

Add an option to use direct connections instead of via the bus. Clients
are accepted with QMP add_client.

This allows to provide the D-Bus display without a bus. It also
simplifies the testing setup (some CI have issues to setup a D-Bus bus
in a container).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/monitor/qmp-cmds.c b/monitor/qmp-cmds.c
index 343353e27a..14e3beeaaf 100644
--- a/monitor/qmp-cmds.c
+++ b/monitor/qmp-cmds.c
@@ -24,6 +24,7 @@
 #include "chardev/char.h"
 #include "ui/qemu-spice.h"
 #include "ui/console.h"
+#include "ui/dbus-display.h"
 #include "sysemu/kvm.h"
 #include "sysemu/runstate.h"
 #include "sysemu/runstate-action.h"
@@ -286,6 +287,18 @@ void qmp_add_client(const char *protocol, const char *fdname,
         vnc_display_add_client(NULL, fd, skipauth);
         return;
 #endif
+#ifdef CONFIG_DBUS_DISPLAY
+    } else if (strcmp(protocol, "@dbus-display") == 0) {
+        if (!qemu_using_dbus_display(errp)) {
+            close(fd);
+            return;
+        }
+        if (!qemu_dbus_display.add_client(fd, errp)) {
+            close(fd);
+            return;
+        }
+        return;
+#endif
     } else if ((s = qemu_chr_find(protocol)) != NULL) {
         if (qemu_chr_add_client(s, fd) < 0) {
             error_setg(errp, "failed to add client");