From 99997823bbbd23aa0cce42e03b49fd8a57222e5e Mon Sep 17 00:00:00 2001
From: Marc-André Lureau
Date: Sun, 10 Oct 2021 00:16:57 +0400
Subject: 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>
---
 include/ui/dbus-display.h | 17 +++++++++++++++++
 include/ui/dbus-module.h  | 11 +++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 include/ui/dbus-display.h
 create mode 100644 include/ui/dbus-module.h

(limited to 'include/ui')

diff --git a/include/ui/dbus-display.h b/include/ui/dbus-display.h
new file mode 100644
index 0000000000..88f153c237
--- /dev/null
+++ b/include/ui/dbus-display.h
@@ -0,0 +1,17 @@
+#ifndef DBUS_DISPLAY_H_
+#define DBUS_DISPLAY_H_
+
+#include "qapi/error.h"
+#include "ui/dbus-module.h"
+
+static inline bool qemu_using_dbus_display(Error **errp)
+{
+    if (!using_dbus_display) {
+        error_set(errp, ERROR_CLASS_DEVICE_NOT_ACTIVE,
+                  "D-Bus display is not in use");
+        return false;
+    }
+    return true;
+}
+
+#endif /* DBUS_DISPLAY_H_ */
diff --git a/include/ui/dbus-module.h b/include/ui/dbus-module.h
new file mode 100644
index 0000000000..ace4a17a5c
--- /dev/null
+++ b/include/ui/dbus-module.h
@@ -0,0 +1,11 @@
+#ifndef DBUS_MODULE_H_
+#define DBUS_MODULE_H_
+
+struct QemuDBusDisplayOps {
+    bool (*add_client)(int csock, Error **errp);
+};
+
+extern int using_dbus_display;
+extern struct QemuDBusDisplayOps qemu_dbus_display;
+
+#endif /* DBUS_MODULE_H_*/
-- 
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