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     QmpInputVisitor *qiv;
  25     /* TODO: Should we reject, rather than ignore, excess input? */
  26     qiv = qmp_input_visitor_new(value, false);
  27     object_property_set(obj, qmp_input_get_visitor(qiv), name, errp);
  28
  29     qmp_input_visitor_cleanup(qiv);
  30 }
  31
  32 QObject *object_property_get_qobject(Object *obj, const char *name,
  33                                      Error **errp)
  34 {
  35     QObject *ret = NULL;
  36     Error *local_err = NULL;
  37     QmpOutputVisitor *qov;
  38
  39     qov = qmp_output_visitor_new();
  40     object_property_get(obj, qmp_output_get_visitor(qov), name, &local_err);
  41     if (!local_err) {
  42         ret = qmp_output_get_qobject(qov);
  43     }
  44     error_propagate(errp, local_err);
  45     qmp_output_visitor_cleanup(qov);
  46     return ret;
  47 }