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authorPaolo Bonzini <pbonzini@redhat.com>2012-02-01 17:16:22 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2012-02-07 13:52:40 +0100
commit7b7b7d18e40c158134b7588e629be7dd35b468fa (patch)
treebd6bd47464de370eef15779411979ba8c68d7696 /qom
parent9f5f135058e22a6f7b3d8ca02e388e502c0d161f (diff)
qom: add property get/set wrappers for C types
Add wrappers that let you get/set properties using normal C data types. Reviewed-by: Anthony Liguori <anthony@aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'qom')
-rw-r--r--qom/object.c119
1 files changed, 110 insertions, 9 deletions
diff --git a/qom/object.c b/qom/object.c
index 98b8ad5f7..212629def 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -14,6 +14,14 @@
#include "qemu-common.h"
#include "qapi/qapi-visit-core.h"
+/* TODO: replace QObject with a simpler visitor to avoid a dependency
+ * of the QOM core on QObject? */
+#include "qemu/qom-qobject.h"
+#include "qobject.h"
+#include "qbool.h"
+#include "qint.h"
+#include "qstring.h"
+
#define MAX_INTERFACES 32
typedef struct InterfaceImpl InterfaceImpl;
@@ -657,6 +665,99 @@ void object_property_set(Object *obj, Visitor *v, const char *name,
}
}
+void object_property_set_str(Object *obj, const char *value,
+ const char *name, Error **errp)
+{
+ QString *qstr = qstring_from_str(value);
+ object_property_set_qobject(obj, QOBJECT(qstr), name, errp);
+
+ QDECREF(qstr);
+}
+
+char *object_property_get_str(Object *obj, const char *name,
+ Error **errp)
+{
+ QObject *ret = object_property_get_qobject(obj, name, errp);
+ QString *qstring;
+ char *retval;
+
+ if (!ret) {
+ return NULL;
+ }
+ qstring = qobject_to_qstring(ret);
+ if (!qstring) {
+ error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "string");
+ retval = NULL;
+ } else {
+ retval = g_strdup(qstring_get_str(qstring));
+ }
+
+ QDECREF(qstring);
+ return retval;
+}
+
+void object_property_set_bool(Object *obj, bool value,
+ const char *name, Error **errp)
+{
+ QBool *qbool = qbool_from_int(value);
+ object_property_set_qobject(obj, QOBJECT(qbool), name, errp);
+
+ QDECREF(qbool);
+}
+
+bool object_property_get_bool(Object *obj, const char *name,
+ Error **errp)
+{
+ QObject *ret = object_property_get_qobject(obj, name, errp);
+ QBool *qbool;
+ bool retval;
+
+ if (!ret) {
+ return false;
+ }
+ qbool = qobject_to_qbool(ret);
+ if (!qbool) {
+ error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean");
+ retval = false;
+ } else {
+ retval = qbool_get_int(qbool);
+ }
+
+ QDECREF(qbool);
+ return retval;
+}
+
+void object_property_set_int(Object *obj, int64_t value,
+ const char *name, Error **errp)
+{
+ QInt *qint = qint_from_int(value);
+ object_property_set_qobject(obj, QOBJECT(qint), name, errp);
+
+ QDECREF(qint);
+}
+
+int64_t object_property_get_int(Object *obj, const char *name,
+ Error **errp)
+{
+ QObject *ret = object_property_get_qobject(obj, name, errp);
+ QInt *qint;
+ int64_t retval;
+
+ if (!ret) {
+ return -1;
+ }
+ qint = qobject_to_qint(ret);
+ if (!qint) {
+ error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "int");
+ retval = -1;
+ } else {
+ retval = qint_get_int(qint);
+ }
+
+ QDECREF(qint);
+ return retval;
+}
+
const char *object_property_get_type(Object *obj, const char *name, Error **errp)
{
ObjectProperty *prop = object_property_find(obj, name);
@@ -938,8 +1039,8 @@ typedef struct StringProperty
void (*set)(Object *, const char *, Error **);
} StringProperty;
-static void object_property_get_str(Object *obj, Visitor *v, void *opaque,
- const char *name, Error **errp)
+static void property_get_str(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
{
StringProperty *prop = opaque;
char *value;
@@ -951,8 +1052,8 @@ static void object_property_get_str(Object *obj, Visitor *v, void *opaque,
}
}
-static void object_property_set_str(Object *obj, Visitor *v, void *opaque,
- const char *name, Error **errp)
+static void property_set_str(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
{
StringProperty *prop = opaque;
char *value;
@@ -968,8 +1069,8 @@ static void object_property_set_str(Object *obj, Visitor *v, void *opaque,
g_free(value);
}
-static void object_property_release_str(Object *obj, const char *name,
- void *opaque)
+static void property_release_str(Object *obj, const char *name,
+ void *opaque)
{
StringProperty *prop = opaque;
g_free(prop);
@@ -986,8 +1087,8 @@ void object_property_add_str(Object *obj, const char *name,
prop->set = set;
object_property_add(obj, name, "string",
- get ? object_property_get_str : NULL,
- set ? object_property_set_str : NULL,
- object_property_release_str,
+ get ? property_get_str : NULL,
+ set ? property_set_str : NULL,
+ property_release_str,
prop, errp);
}