diff options
| -rw-r--r-- | include/qemu/object.h | 70 | ||||
| -rw-r--r-- | qom/object.c | 119 |
2 files changed, 180 insertions, 9 deletions
diff --git a/include/qemu/object.h b/include/qemu/object.h index ad7d32d..b27f80e 100644 --- a/include/qemu/object.h +++ b/include/qemu/object.h @@ -622,6 +622,76 @@ void object_property_get(Object *obj, struct Visitor *v, const char *name, struct Error **errp); /** + * object_property_set_str: + * @value: the value to be written to the property + * @name: the name of the property + * @errp: returns an error if this function fails + * + * Writes a string value to a property. + */ +void object_property_set_str(Object *obj, const char *value, + const char *name, struct Error **errp); + +/** + * object_property_get_str: + * @obj: the object + * @name: the name of the property + * @errp: returns an error if this function fails + * + * Returns: the value of the property, converted to a C string, or NULL if + * an error occurs (including when the property value is not a string). + * The caller should free the string. + */ +char *object_property_get_str(Object *obj, const char *name, + struct Error **errp); + +/** + * object_property_set_bool: + * @value: the value to be written to the property + * @name: the name of the property + * @errp: returns an error if this function fails + * + * Writes a bool value to a property. + */ +void object_property_set_bool(Object *obj, bool value, + const char *name, struct Error **errp); + +/** + * object_property_get_bool: + * @obj: the object + * @name: the name of the property + * @errp: returns an error if this function fails + * + * Returns: the value of the property, converted to a boolean, or NULL if + * an error occurs (including when the property value is not a bool). + */ +bool object_property_get_bool(Object *obj, const char *name, + struct Error **errp); + +/** + * object_property_set_int: + * @value: the value to be written to the property + * @name: the name of the property + * @errp: returns an error if this function fails + * + * Writes an integer value to a property. + */ +void object_property_set_int(Object *obj, int64_t value, + const char *name, struct Error **errp); + +/** + * object_property_get_int: + * @obj: the object + * @name: the name of the property + * @errp: returns an error if this function fails + * + * Returns: the value of the property, converted to an integer, or NULL if + * an error occurs (including when the property value is not an integer). + */ +int64_t object_property_get_int(Object *obj, const char *name, + struct Error **errp); + +/** * object_property_set: * @obj: the object * @v: the visitor that will be used to write the property value. This should diff --git a/qom/object.c b/qom/object.c index 98b8ad5..212629d 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); } |