qom/qom-qobject.c

   1 /*
   2  * QEMU Object Model - QObject wrappers
   3  *
   4  * Copyright (C) 2012 Red Hat, Inc.
   5  *
   6  * Author: Paolo Bonzini <[email protected]>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   9  * See the COPYING file in the top-level directory.
  10  */
  11
  12 #include "qemu/osdep.h"
  13 #include "qapi/error.h"
  14 #include "qom/object.h"
  15 #include "qom/qom-qobject.h"
  16 #include "qapi/visitor.h"
  17 #include "qapi/qobject-input-visitor.h"
  18 #include "qapi/qobject-output-visitor.h"
  19
  20 bool object_property_set_qobject(Object *obj,
  21                                  const char *name, QObject *value,
  22                                  Error **errp)
  23 {
  24     Visitor *v;
  25     bool ok;
  26
  27     v = qobject_input_visitor_new(value);
  28     ok = object_property_set(obj, name, v, errp);
  29     visit_free(v);
  30     return ok;
  31 }
  32
  33 QObject *object_property_get_qobject(Object *obj, const char *name,
  34                                      Error **errp)
  35 {
  36     QObject *ret = NULL;
  37     Error *local_err = NULL;
  38     Visitor *v;
  39
  40     v = qobject_output_visitor_new(&ret);
  41     object_property_get(obj, name, v, &local_err);
  42     if (!local_err) {
  43         visit_complete(v, &ret);
  44     }
  45     error_propagate(errp, local_err);
  46     visit_free(v);
  47     return ret;
  48 }