-static int bus_method_call_with_reply(DBusConnection *bus,
- const char *destination,
- const char *path,
- const char *interface,
- const char *method,
- DBusMessage **return_reply,
- DBusError *return_error,
- int first_arg_type, ...) {
- DBusError error;
- DBusMessage *m, *reply;
- va_list ap;
- int r = 0;
-
- dbus_error_init(&error);
- assert(bus);
-
- m = dbus_message_new_method_call(destination, path, interface, method);
- if (!m) {
- r = log_oom();
- goto finish;
- }
-
- va_start(ap, first_arg_type);
- if (!dbus_message_append_args_valist(m, first_arg_type, ap)) {
- va_end(ap);
- dbus_message_unref(m);
- r = log_oom();
- goto finish;
- }
- va_end(ap);
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- dbus_message_unref(m);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- if (error_is_no_service(&error))
- r = -ENOENT;
- else if (dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED))
- r = -EACCES;
- else if (dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY))
- r = -ETIMEDOUT;
- else
- r = -EIO;
- goto finish;
- }
- if (return_reply)
- *return_reply = reply;
- else
- dbus_message_unref(reply);
-finish:
- if(return_error)
- *return_error=error;
- else
- dbus_error_free(&error);
-
- return r;
-}
-