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/*
* Helpers for using D-Bus
*
* Copyright (C) 2019 Red Hat, Inc.
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qemu/dbus.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
/*
* qemu_dbus_get_queued_owners() - return the list of queued unique names
* @connection: A GDBusConnection
* @name: a service name
*
* Return: a GStrv of unique names, or NULL on failure.
*/
GStrv
qemu_dbus_get_queued_owners(GDBusConnection *connection, const char *name,
Error **errp)
{
g_autoptr(GDBusProxy) proxy = NULL;
g_autoptr(GVariant) result = NULL;
g_autoptr(GVariant) child = NULL;
g_autoptr(GError) err = NULL;
proxy = g_dbus_proxy_new_sync(connection, G_DBUS_PROXY_FLAGS_NONE, NULL,
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus",
NULL, &err);
if (!proxy) {
error_setg(errp, "Failed to create DBus proxy: %s", err->message);
return NULL;
}
result = g_dbus_proxy_call_sync(proxy, "ListQueuedOwners",
g_variant_new("(s)", name),
G_DBUS_CALL_FLAGS_NO_AUTO_START,
-1, NULL, &err);
if (!result) {
if (g_error_matches(err,
G_DBUS_ERROR,
G_DBUS_ERROR_NAME_HAS_NO_OWNER)) {
return g_new0(char *, 1);
}
error_setg(errp, "Failed to call ListQueuedOwners: %s", err->message);
return NULL;
}
child = g_variant_get_child_value(result, 0);
return g_variant_dup_strv(child, NULL);
}
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