diff options
Diffstat (limited to 'qom')
| -rw-r--r-- | qom/object.c | 236 |
1 files changed, 221 insertions, 15 deletions
diff --git a/qom/object.c b/qom/object.c index d7515697a3..5d4c80b102 100644 --- a/qom/object.c +++ b/qom/object.c @@ -68,6 +68,7 @@ struct TypeImpl }; struct ObjectPropertyIterator { + ObjectClass *nextclass; GHashTableIter iter; }; @@ -246,6 +247,16 @@ static void type_initialize_interface(TypeImpl *ti, TypeImpl *interface_type, iface_impl->class); } +static void object_property_free(gpointer data) +{ + ObjectProperty *prop = data; + + g_free(prop->name); + g_free(prop->type); + g_free(prop->description); + g_free(prop); +} + static void type_initialize(TypeImpl *ti) { TypeImpl *parent; @@ -268,6 +279,8 @@ static void type_initialize(TypeImpl *ti) g_assert_cmpint(parent->class_size, <=, ti->class_size); memcpy(ti->class, parent->class, parent->class_size); ti->class->interfaces = NULL; + ti->class->properties = g_hash_table_new_full( + g_str_hash, g_str_equal, g_free, object_property_free); for (e = parent->class->interfaces; e; e = e->next) { InterfaceClass *iface = e->data; @@ -292,6 +305,9 @@ static void type_initialize(TypeImpl *ti) type_initialize_interface(ti, t, t); } + } else { + ti->class->properties = g_hash_table_new_full( + g_str_hash, g_str_equal, g_free, object_property_free); } ti->class->type = ti; @@ -330,16 +346,6 @@ static void object_post_init_with_type(Object *obj, TypeImpl *ti) } } -static void object_property_free(gpointer data) -{ - ObjectProperty *prop = data; - - g_free(prop->name); - g_free(prop->type); - g_free(prop->description); - g_free(prop); -} - void object_initialize_with_type(void *data, size_t size, TypeImpl *type) { Object *obj = data; @@ -918,10 +924,10 @@ object_property_add(Object *obj, const char *name, const char *type, return ret; } - if (g_hash_table_lookup(obj->properties, name) != NULL) { + if (object_property_find(obj, name, NULL) != NULL) { error_setg(errp, "attempt to add duplicate property '%s'" - " to object (type '%s')", name, - object_get_typename(obj)); + " to object (type '%s')", name, + object_get_typename(obj)); return NULL; } @@ -939,10 +945,50 @@ object_property_add(Object *obj, const char *name, const char *type, return prop; } +ObjectProperty * +object_class_property_add(ObjectClass *klass, + const char *name, + const char *type, + ObjectPropertyAccessor *get, + ObjectPropertyAccessor *set, + ObjectPropertyRelease *release, + void *opaque, + Error **errp) +{ + ObjectProperty *prop; + + if (object_class_property_find(klass, name, NULL) != NULL) { + error_setg(errp, "attempt to add duplicate property '%s'" + " to object (type '%s')", name, + object_class_get_name(klass)); + return NULL; + } + + prop = g_malloc0(sizeof(*prop)); + + prop->name = g_strdup(name); + prop->type = g_strdup(type); + + prop->get = get; + prop->set = set; + prop->release = release; + prop->opaque = opaque; + + g_hash_table_insert(klass->properties, g_strdup(name), prop); + + return prop; +} + ObjectProperty *object_property_find(Object *obj, const char *name, Error **errp) { ObjectProperty *prop; + ObjectClass *klass = object_get_class(obj); + + prop = object_class_property_find(klass, name, NULL); + if (prop) { + return prop; + } prop = g_hash_table_lookup(obj->properties, name); if (prop) { @@ -957,6 +1003,7 @@ ObjectPropertyIterator *object_property_iter_init(Object *obj) { ObjectPropertyIterator *ret = g_new0(ObjectPropertyIterator, 1); g_hash_table_iter_init(&ret->iter, obj->properties); + ret->nextclass = object_get_class(obj); return ret; } @@ -971,12 +1018,37 @@ void object_property_iter_free(ObjectPropertyIterator *iter) ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) { gpointer key, val; - if (!g_hash_table_iter_next(&iter->iter, &key, &val)) { - return NULL; + while (!g_hash_table_iter_next(&iter->iter, &key, &val)) { + if (!iter->nextclass) { + return NULL; + } + g_hash_table_iter_init(&iter->iter, iter->nextclass->properties); + iter->nextclass = object_class_get_parent(iter->nextclass); } return val; } +ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name, + Error **errp) +{ + ObjectProperty *prop; + ObjectClass *parent_klass; + + parent_klass = object_class_get_parent(klass); + if (parent_klass) { + prop = object_class_property_find(parent_klass, name, NULL); + if (prop) { + return prop; + } + } + + prop = g_hash_table_lookup(klass->properties, name); + if (!prop) { + error_setg(errp, "Property '.%s' not found", name); + } + return prop; +} + void object_property_del(Object *obj, const char *name, Error **errp) { ObjectProperty *prop = g_hash_table_lookup(obj->properties, name); @@ -1730,6 +1802,29 @@ void object_property_add_str(Object *obj, const char *name, } } +void object_class_property_add_str(ObjectClass *klass, const char *name, + char *(*get)(Object *, Error **), + void (*set)(Object *, const char *, + Error **), + Error **errp) +{ + Error *local_err = NULL; + StringProperty *prop = g_malloc0(sizeof(*prop)); + + prop->get = get; + prop->set = set; + + object_class_property_add(klass, name, "string", + get ? property_get_str : NULL, + set ? property_set_str : NULL, + property_release_str, + prop, &local_err); + if (local_err) { + error_propagate(errp, local_err); + g_free(prop); + } +} + typedef struct BoolProperty { bool (*get)(Object *, Error **); @@ -1797,6 +1892,28 @@ void object_property_add_bool(Object *obj, const char *name, } } +void object_class_property_add_bool(ObjectClass *klass, const char *name, + bool (*get)(Object *, Error **), + void (*set)(Object *, bool, Error **), + Error **errp) +{ + Error *local_err = NULL; + BoolProperty *prop = g_malloc0(sizeof(*prop)); + + prop->get = get; + prop->set = set; + + object_class_property_add(klass, name, "bool", + get ? property_get_bool : NULL, + set ? property_set_bool : NULL, + property_release_bool, + prop, &local_err); + if (local_err) { + error_propagate(errp, local_err); + g_free(prop); + } +} + static void property_get_enum(Object *obj, Visitor *v, void *opaque, const char *name, Error **errp) { @@ -1860,6 +1977,31 @@ void object_property_add_enum(Object *obj, const char *name, } } +void object_class_property_add_enum(ObjectClass *klass, const char *name, + const char *typename, + const char * const *strings, + int (*get)(Object *, Error **), + void (*set)(Object *, int, Error **), + Error **errp) +{ + Error *local_err = NULL; + EnumProperty *prop = g_malloc(sizeof(*prop)); + + prop->strings = strings; + prop->get = get; + prop->set = set; + + object_class_property_add(klass, name, typename, + get ? property_get_enum : NULL, + set ? property_set_enum : NULL, + property_release_enum, + prop, &local_err); + if (local_err) { + error_propagate(errp, local_err); + g_free(prop); + } +} + typedef struct TMProperty { void (*get)(Object *, struct tm *, Error **); } TMProperty; @@ -1939,6 +2081,25 @@ void object_property_add_tm(Object *obj, const char *name, } } +void object_class_property_add_tm(ObjectClass *klass, const char *name, + void (*get)(Object *, struct tm *, Error **), + Error **errp) +{ + Error *local_err = NULL; + TMProperty *prop = g_malloc0(sizeof(*prop)); + + prop->get = get; + + object_class_property_add(klass, name, "struct tm", + get ? property_get_tm : NULL, NULL, + property_release_tm, + prop, &local_err); + if (local_err) { + error_propagate(errp, local_err); + g_free(prop); + } +} + static char *qdev_get_type(Object *obj, Error **errp) { return g_strdup(object_get_typename(obj)); @@ -1983,6 +2144,13 @@ void object_property_add_uint8_ptr(Object *obj, const char *name, NULL, NULL, (void *)v, errp); } +void object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name, + const uint8_t *v, Error **errp) +{ + object_class_property_add(klass, name, "uint8", property_get_uint8_ptr, + NULL, NULL, (void *)v, errp); +} + void object_property_add_uint16_ptr(Object *obj, const char *name, const uint16_t *v, Error **errp) { @@ -1990,6 +2158,13 @@ void object_property_add_uint16_ptr(Object *obj, const char *name, NULL, NULL, (void *)v, errp); } +void object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name, + const uint16_t *v, Error **errp) +{ + object_class_property_add(klass, name, "uint16", property_get_uint16_ptr, + NULL, NULL, (void *)v, errp); +} + void object_property_add_uint32_ptr(Object *obj, const char *name, const uint32_t *v, Error **errp) { @@ -1997,6 +2172,13 @@ void object_property_add_uint32_ptr(Object *obj, const char *name, NULL, NULL, (void *)v, errp); } +void object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name, + const uint32_t *v, Error **errp) +{ + object_class_property_add(klass, name, "uint32", property_get_uint32_ptr, + NULL, NULL, (void *)v, errp); +} + void object_property_add_uint64_ptr(Object *obj, const char *name, const uint64_t *v, Error **errp) { @@ -2004,6 +2186,13 @@ void object_property_add_uint64_ptr(Object *obj, const char *name, NULL, NULL, (void *)v, errp); } +void object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, + const uint64_t *v, Error **errp) +{ + object_class_property_add(klass, name, "uint64", property_get_uint64_ptr, + NULL, NULL, (void *)v, errp); +} + typedef struct { Object *target_obj; char *target_name; @@ -2101,6 +2290,23 @@ void object_property_set_description(Object *obj, const char *name, op->description = g_strdup(description); } +void object_class_property_set_description(ObjectClass *klass, + const char *name, + const char *description, + Error **errp) +{ + ObjectProperty *op; + + op = g_hash_table_lookup(klass->properties, name); + if (!op) { + error_setg(errp, "Property '.%s' not found", name); + return; + } + + g_free(op->description); + op->description = g_strdup(description); +} + static void object_instance_init(Object *obj) { object_property_add_str(obj, "type", qdev_get_type, NULL, NULL); |