qom/qom-qobject.c

   1 /*
   2  * QEMU Object Model - QObject wrappers
   3  *
   4  * Copyright (C) 2012 Red Hat, Inc.
   5  *
   6  * Author: Paolo Bonzini <pbonzini@redhat.com>
   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 "qemu-common.h"
  15 #include "qom/object.h"
  16 #include "qom/qom-qobject.h"
  17 #include "qapi/visitor.h"
  18 #include "qapi/qmp-input-visitor.h"
  19 #include "qapi/qmp-output-visitor.h"
  20
  21 void object_property_set_qobject(Object *obj, QObject *value,
  22                                  const char *name, Error **errp)
  23 {
  24     Visitor *v;
  25     /* TODO: Should we reject, rather than ignore, excess input? */
  26     v = qmp_input_visitor_new(value, false);
  27     object_property_set(obj, v, name, errp);
  28     visit_free(v);
  29 }
  30
  31 QObject *object_property_get_qobject(Object *obj, const char *name,
  32                                      Error **errp)
  33 {
  34     QObject *ret = NULL;
  35     Error *local_err = NULL;
  36     QmpOutputVisitor *qov;
  37
  38     qov = qmp_output_visitor_new();
  39     object_property_get(obj, qmp_output_get_visitor(qov), name, &local_err);
  40     if (!local_err) {
  41         ret = qmp_output_get_qobject(qov);
  42     }
  43     error_propagate(errp, local_err);
  44     qmp_output_visitor_cleanup(qov);
  45     return ret;
  46 }