*/
#include "qom/object.h"
+#include "qom/object_interfaces.h"
#include "qemu-common.h"
#include "qapi/visitor.h"
#include "qapi-visit.h"
{
assert(target_type);
- /* Check if typename is a direct ancestor of type */
+ /* Check if target_type is a direct ancestor of type */
while (type) {
if (type == target_type) {
return true;
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;
GSList *e;
int i;
- g_assert(parent->class_size <= ti->class_size);
+ 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;
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;
g_assert(type != NULL);
type_initialize(type);
- g_assert(type->instance_size >= sizeof(Object));
+ g_assert_cmpint(type->instance_size, >=, sizeof(Object));
g_assert(type->abstract == false);
- g_assert(size >= type->instance_size);
+ g_assert_cmpint(size, >=, type->instance_size);
memset(obj, 0, type->instance_size);
obj->class = type->class;
object_ref(obj);
- QTAILQ_INIT(&obj->properties);
+ obj->properties = g_hash_table_new_full(g_str_hash, g_str_equal,
+ NULL, object_property_free);
object_init_with_type(obj, type);
object_post_init_with_type(obj, type);
}
return strstart(prop->type, "child<", NULL);
}
-static inline bool object_property_is_link(ObjectProperty *prop)
-{
- return strstart(prop->type, "link<", NULL);
-}
-
static void object_property_del_all(Object *obj)
{
- while (!QTAILQ_EMPTY(&obj->properties)) {
- ObjectProperty *prop = QTAILQ_FIRST(&obj->properties);
-
- QTAILQ_REMOVE(&obj->properties, prop, node);
-
- if (prop->release) {
- prop->release(obj, prop->name, prop->opaque);
+ ObjectProperty *prop;
+ GHashTableIter iter;
+ gpointer key, value;
+ bool released;
+
+ do {
+ released = false;
+ g_hash_table_iter_init(&iter, obj->properties);
+ while (g_hash_table_iter_next(&iter, &key, &value)) {
+ prop = value;
+ if (prop->release) {
+ prop->release(obj, prop->name, prop->opaque);
+ prop->release = NULL;
+ released = true;
+ break;
+ }
+ g_hash_table_iter_remove(&iter);
}
+ } while (released);
- g_free(prop->name);
- g_free(prop->type);
- g_free(prop);
- }
+ g_hash_table_unref(obj->properties);
}
static void object_property_del_child(Object *obj, Object *child, Error **errp)
{
ObjectProperty *prop;
+ GHashTableIter iter;
+ gpointer key, value;
- QTAILQ_FOREACH(prop, &obj->properties, node) {
+ g_hash_table_iter_init(&iter, obj->properties);
+ while (g_hash_table_iter_next(&iter, &key, &value)) {
+ prop = value;
if (object_property_is_child(prop) && prop->opaque == child) {
- object_property_del(obj, prop->name, errp);
+ if (prop->release) {
+ prop->release(obj, prop->name, prop->opaque);
+ prop->release = NULL;
+ }
+ break;
+ }
+ }
+ g_hash_table_iter_init(&iter, obj->properties);
+ while (g_hash_table_iter_next(&iter, &key, &value)) {
+ prop = value;
+ if (object_property_is_child(prop) && prop->opaque == child) {
+ g_hash_table_iter_remove(&iter);
break;
}
}
void object_unparent(Object *obj)
{
- if (!obj->parent) {
- return;
- }
-
- object_ref(obj);
- if (obj->class->unparent) {
- (obj->class->unparent)(obj);
- }
if (obj->parent) {
object_property_del_child(obj->parent, obj, NULL);
- obj->parent = NULL;
}
- object_unref(obj);
}
static void object_deinit(Object *obj, TypeImpl *type)
Object *obj = data;
TypeImpl *ti = obj->class->type;
- object_deinit(obj, ti);
object_property_del_all(obj);
+ object_deinit(obj, ti);
- g_assert(obj->ref == 0);
+ g_assert_cmpint(obj->ref, ==, 0);
if (obj->free) {
obj->free(obj);
}
return object_new_with_type(ti);
}
+
+Object *object_new_with_props(const char *typename,
+ Object *parent,
+ const char *id,
+ Error **errp,
+ ...)
+{
+ va_list vargs;
+ Object *obj;
+
+ va_start(vargs, errp);
+ obj = object_new_with_propv(typename, parent, id, errp, vargs);
+ va_end(vargs);
+
+ return obj;
+}
+
+
+Object *object_new_with_propv(const char *typename,
+ Object *parent,
+ const char *id,
+ Error **errp,
+ va_list vargs)
+{
+ Object *obj;
+ ObjectClass *klass;
+ Error *local_err = NULL;
+
+ klass = object_class_by_name(typename);
+ if (!klass) {
+ error_setg(errp, "invalid object type: %s", typename);
+ return NULL;
+ }
+
+ if (object_class_is_abstract(klass)) {
+ error_setg(errp, "object type '%s' is abstract", typename);
+ return NULL;
+ }
+ obj = object_new(typename);
+
+ if (object_set_propv(obj, &local_err, vargs) < 0) {
+ goto error;
+ }
+
+ object_property_add_child(parent, id, obj, &local_err);
+ if (local_err) {
+ goto error;
+ }
+
+ if (object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
+ user_creatable_complete(obj, &local_err);
+ if (local_err) {
+ object_unparent(obj);
+ goto error;
+ }
+ }
+
+ object_unref(OBJECT(obj));
+ return obj;
+
+ error:
+ if (local_err) {
+ error_propagate(errp, local_err);
+ }
+ object_unref(obj);
+ return NULL;
+}
+
+
+int object_set_props(Object *obj,
+ Error **errp,
+ ...)
+{
+ va_list vargs;
+ int ret;
+
+ va_start(vargs, errp);
+ ret = object_set_propv(obj, errp, vargs);
+ va_end(vargs);
+
+ return ret;
+}
+
+
+int object_set_propv(Object *obj,
+ Error **errp,
+ va_list vargs)
+{
+ const char *propname;
+ Error *local_err = NULL;
+
+ propname = va_arg(vargs, char *);
+ while (propname != NULL) {
+ const char *value = va_arg(vargs, char *);
+
+ g_assert(value != NULL);
+ object_property_parse(obj, value, propname, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return -1;
+ }
+ propname = va_arg(vargs, char *);
+ }
+
+ return 0;
+}
+
+
Object *object_dynamic_cast(Object *obj, const char *typename)
{
if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) {
enumerating_types = false;
}
-int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque),
- void *opaque)
+static int do_object_child_foreach(Object *obj,
+ int (*fn)(Object *child, void *opaque),
+ void *opaque, bool recurse)
{
+ GHashTableIter iter;
ObjectProperty *prop;
int ret = 0;
- QTAILQ_FOREACH(prop, &obj->properties, node) {
+ g_hash_table_iter_init(&iter, obj->properties);
+ while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) {
if (object_property_is_child(prop)) {
- ret = fn(prop->opaque, opaque);
+ Object *child = prop->opaque;
+
+ ret = fn(child, opaque);
if (ret != 0) {
break;
}
+ if (recurse) {
+ do_object_child_foreach(child, fn, opaque, true);
+ }
}
}
return ret;
}
+int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque),
+ void *opaque)
+{
+ return do_object_child_foreach(obj, fn, opaque, false);
+}
+
+int object_child_foreach_recursive(Object *obj,
+ int (*fn)(Object *child, void *opaque),
+ void *opaque)
+{
+ return do_object_child_foreach(obj, fn, opaque, true);
+}
+
static void object_class_get_list_tramp(ObjectClass *klass, void *opaque)
{
GSList **list = opaque;
void object_ref(Object *obj)
{
- atomic_inc(&obj->ref);
+ if (!obj) {
+ return;
+ }
+ atomic_inc(&obj->ref);
}
void object_unref(Object *obj)
{
- g_assert(obj->ref > 0);
+ if (!obj) {
+ return;
+ }
+ g_assert_cmpint(obj->ref, >, 0);
/* parent always holds a reference to its children */
if (atomic_fetch_dec(&obj->ref) == 1) {
}
}
-void object_property_add(Object *obj, const char *name, const char *type,
- ObjectPropertyAccessor *get,
- ObjectPropertyAccessor *set,
- ObjectPropertyRelease *release,
- void *opaque, Error **errp)
+ObjectProperty *
+object_property_add(Object *obj, const char *name, const char *type,
+ ObjectPropertyAccessor *get,
+ ObjectPropertyAccessor *set,
+ ObjectPropertyRelease *release,
+ void *opaque, Error **errp)
{
ObjectProperty *prop;
+ size_t name_len = strlen(name);
- QTAILQ_FOREACH(prop, &obj->properties, node) {
- if (strcmp(prop->name, name) == 0) {
- error_setg(errp, "attempt to add duplicate property '%s'"
- " to object (type '%s')", name,
- object_get_typename(obj));
- return;
+ if (name_len >= 3 && !memcmp(name + name_len - 3, "[*]", 4)) {
+ int i;
+ ObjectProperty *ret;
+ char *name_no_array = g_strdup(name);
+
+ name_no_array[name_len - 3] = '\0';
+ for (i = 0; ; ++i) {
+ char *full_name = g_strdup_printf("%s[%d]", name_no_array, i);
+
+ ret = object_property_add(obj, full_name, type, get, set,
+ release, opaque, NULL);
+ g_free(full_name);
+ if (ret) {
+ break;
+ }
}
+ g_free(name_no_array);
+ return ret;
+ }
+
+ 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));
+ 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(obj->properties, prop->name, prop);
+ 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->release = release;
prop->opaque = opaque;
- QTAILQ_INSERT_TAIL(&obj->properties, prop, node);
+ 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);
- QTAILQ_FOREACH(prop, &obj->properties, node) {
- if (strcmp(prop->name, name) == 0) {
- return prop;
- }
+ prop = object_class_property_find(klass, name, NULL);
+ if (prop) {
+ return prop;
+ }
+
+ prop = g_hash_table_lookup(obj->properties, name);
+ if (prop) {
+ return prop;
}
error_setg(errp, "Property '.%s' not found", name);
return NULL;
}
+void object_property_iter_init(ObjectPropertyIterator *iter,
+ Object *obj)
+{
+ g_hash_table_iter_init(&iter->iter, obj->properties);
+ iter->nextclass = object_get_class(obj);
+}
+
+ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter)
+{
+ gpointer key, val;
+ 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 = object_property_find(obj, name, errp);
- if (prop == NULL) {
+ ObjectProperty *prop = g_hash_table_lookup(obj->properties, name);
+
+ if (!prop) {
+ error_setg(errp, "Property '.%s' not found", name);
return;
}
if (prop->release) {
prop->release(obj, name, prop->opaque);
}
-
- QTAILQ_REMOVE(&obj->properties, prop, node);
-
- g_free(prop->name);
- g_free(prop->type);
- g_free(prop);
+ g_hash_table_remove(obj->properties, name);
}
void object_property_get(Object *obj, Visitor *v, const char *name,
}
if (!prop->get) {
- error_set(errp, QERR_PERMISSION_DENIED);
+ error_setg(errp, QERR_PERMISSION_DENIED);
} else {
prop->get(obj, v, prop->opaque, name, errp);
}
}
if (!prop->set) {
- error_set(errp, QERR_PERMISSION_DENIED);
+ error_setg(errp, QERR_PERMISSION_DENIED);
} else {
prop->set(obj, v, prop->opaque, name, errp);
}
}
qstring = qobject_to_qstring(ret);
if (!qstring) {
- error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "string");
+ error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "string");
retval = NULL;
} else {
retval = g_strdup(qstring_get_str(qstring));
void object_property_set_link(Object *obj, Object *value,
const char *name, Error **errp)
{
- gchar *path = object_get_canonical_path(value);
- object_property_set_str(obj, path, name, errp);
- g_free(path);
+ if (value) {
+ gchar *path = object_get_canonical_path(value);
+ object_property_set_str(obj, path, name, errp);
+ g_free(path);
+ } else {
+ object_property_set_str(obj, "", name, errp);
+ }
}
Object *object_property_get_link(Object *obj, const char *name,
if (str && *str) {
target = object_resolve_path(str, NULL);
if (!target) {
- error_set(errp, QERR_DEVICE_NOT_FOUND, str);
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", str);
}
}
void object_property_set_bool(Object *obj, bool value,
const char *name, Error **errp)
{
- QBool *qbool = qbool_from_int(value);
+ QBool *qbool = qbool_from_bool(value);
object_property_set_qobject(obj, QOBJECT(qbool), name, errp);
QDECREF(qbool);
}
qbool = qobject_to_qbool(ret);
if (!qbool) {
- error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean");
+ error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean");
retval = false;
} else {
- retval = qbool_get_int(qbool);
+ retval = qbool_get_bool(qbool);
}
QDECREF(qbool);
}
qint = qobject_to_qint(ret);
if (!qint) {
- error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "int");
+ error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int");
retval = -1;
} else {
retval = qint_get_int(qint);
return retval;
}
+typedef struct EnumProperty {
+ const char * const *strings;
+ int (*get)(Object *, Error **);
+ void (*set)(Object *, int, Error **);
+} EnumProperty;
+
int object_property_get_enum(Object *obj, const char *name,
- const char *strings[], Error **errp)
+ const char *typename, Error **errp)
{
+ Error *err = NULL;
StringOutputVisitor *sov;
StringInputVisitor *siv;
+ char *str;
int ret;
+ ObjectProperty *prop = object_property_find(obj, name, errp);
+ EnumProperty *enumprop;
+
+ if (prop == NULL) {
+ return 0;
+ }
+
+ if (!g_str_equal(prop->type, typename)) {
+ error_setg(errp, "Property %s on %s is not '%s' enum type",
+ name, object_class_get_name(
+ object_get_class(obj)), typename);
+ return 0;
+ }
+
+ enumprop = prop->opaque;
sov = string_output_visitor_new(false);
- object_property_get(obj, string_output_get_visitor(sov), name, errp);
- siv = string_input_visitor_new(string_output_get_string(sov));
+ object_property_get(obj, string_output_get_visitor(sov), name, &err);
+ if (err) {
+ error_propagate(errp, err);
+ string_output_visitor_cleanup(sov);
+ return 0;
+ }
+ str = string_output_get_string(sov);
+ siv = string_input_visitor_new(str);
string_output_visitor_cleanup(sov);
visit_type_enum(string_input_get_visitor(siv),
- &ret, strings, NULL, name, errp);
+ &ret, enumprop->strings, NULL, name, errp);
+
+ g_free(str);
string_input_visitor_cleanup(siv);
return ret;
void object_property_get_uint16List(Object *obj, const char *name,
uint16List **list, Error **errp)
{
+ Error *err = NULL;
StringOutputVisitor *ov;
StringInputVisitor *iv;
+ char *str;
ov = string_output_visitor_new(false);
object_property_get(obj, string_output_get_visitor(ov),
- name, errp);
- iv = string_input_visitor_new(string_output_get_string(ov));
+ name, &err);
+ if (err) {
+ error_propagate(errp, err);
+ goto out;
+ }
+ str = string_output_get_string(ov);
+ iv = string_input_visitor_new(str);
visit_type_uint16List(string_input_get_visitor(iv),
list, NULL, errp);
- string_output_visitor_cleanup(ov);
+
+ g_free(str);
string_input_visitor_cleanup(iv);
+out:
+ string_output_visitor_cleanup(ov);
}
void object_property_parse(Object *obj, const char *string,
const char *name, Error **errp)
{
- StringInputVisitor *mi;
- mi = string_input_visitor_new(string);
- object_property_set(obj, string_input_get_visitor(mi), name, errp);
+ StringInputVisitor *siv;
+ siv = string_input_visitor_new(string);
+ object_property_set(obj, string_input_get_visitor(siv), name, errp);
- string_input_visitor_cleanup(mi);
+ string_input_visitor_cleanup(siv);
}
char *object_property_print(Object *obj, const char *name, bool human,
Error **errp)
{
- StringOutputVisitor *mo;
- char *string;
+ StringOutputVisitor *sov;
+ char *string = NULL;
+ Error *local_err = NULL;
- mo = string_output_visitor_new(human);
- object_property_get(obj, string_output_get_visitor(mo), name, errp);
- string = string_output_get_string(mo);
- string_output_visitor_cleanup(mo);
+ sov = string_output_visitor_new(human);
+ object_property_get(obj, string_output_get_visitor(sov), name, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto out;
+ }
+
+ string = string_output_get_string(sov);
+
+out:
+ string_output_visitor_cleanup(sov);
return string;
}
return root;
}
+Object *object_get_objects_root(void)
+{
+ return container_get(object_get_root(), "/objects");
+}
+
static void object_get_child_property(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
g_free(path);
}
+static Object *object_resolve_child_property(Object *parent, void *opaque, const gchar *part)
+{
+ return opaque;
+}
+
static void object_finalize_child_property(Object *obj, const char *name,
void *opaque)
{
Object *child = opaque;
+ if (child->class->unparent) {
+ (child->class->unparent)(child);
+ }
+ child->parent = NULL;
object_unref(child);
}
{
Error *local_err = NULL;
gchar *type;
+ ObjectProperty *op;
+
+ if (child->parent != NULL) {
+ error_setg(errp, "child object is already parented");
+ return;
+ }
type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child)));
- object_property_add(obj, name, type, object_get_child_property, NULL,
- object_finalize_child_property, child, &local_err);
+ op = object_property_add(obj, name, type, object_get_child_property, NULL,
+ object_finalize_child_property, child, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto out;
}
+
+ op->resolve = object_resolve_child_property;
object_ref(child);
- g_assert(child->parent == NULL);
child->parent = obj;
out:
target = object_resolve_path_type(path, target_type, &ambiguous);
if (ambiguous) {
- error_set(errp, ERROR_CLASS_GENERIC_ERROR,
- "Path '%s' does not uniquely identify an object", path);
+ error_setg(errp, "Path '%s' does not uniquely identify an object",
+ path);
} else if (!target) {
target = object_resolve_path(path, &ambiguous);
if (target || ambiguous) {
- error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type);
+ error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type);
} else {
- error_set(errp, QERR_DEVICE_NOT_FOUND, path);
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", path);
}
target = NULL;
}
return;
}
- if (new_target) {
- object_ref(new_target);
- }
+ object_ref(new_target);
*child = new_target;
- if (old_target != NULL) {
- object_unref(old_target);
- }
+ object_unref(old_target);
+}
+
+static Object *object_resolve_link_property(Object *parent, void *opaque, const gchar *part)
+{
+ LinkProperty *lprop = opaque;
+
+ return *lprop->child;
}
static void object_release_link_property(Object *obj, const char *name,
Error *local_err = NULL;
LinkProperty *prop = g_malloc(sizeof(*prop));
gchar *full_type;
+ ObjectProperty *op;
prop->child = child;
prop->check = check;
full_type = g_strdup_printf("link<%s>", type);
- object_property_add(obj, name, full_type,
- object_get_link_property,
- check ? object_set_link_property : NULL,
- object_release_link_property,
- prop,
- &local_err);
+ op = object_property_add(obj, name, full_type,
+ object_get_link_property,
+ check ? object_set_link_property : NULL,
+ object_release_link_property,
+ prop,
+ &local_err);
if (local_err) {
error_propagate(errp, local_err);
g_free(prop);
+ goto out;
}
+ op->resolve = object_resolve_link_property;
+
+out:
g_free(full_type);
}
+void object_property_add_const_link(Object *obj, const char *name,
+ Object *target, Error **errp)
+{
+ char *link_type;
+ ObjectProperty *op;
+
+ link_type = g_strdup_printf("link<%s>", object_get_typename(target));
+ op = object_property_add(obj, name, link_type,
+ object_get_child_property, NULL,
+ NULL, target, errp);
+ if (op != NULL) {
+ op->resolve = object_resolve_child_property;
+ }
+ g_free(link_type);
+}
+
gchar *object_get_canonical_path_component(Object *obj)
{
ObjectProperty *prop = NULL;
+ GHashTableIter iter;
g_assert(obj);
g_assert(obj->parent != NULL);
- QTAILQ_FOREACH(prop, &obj->parent->properties, node) {
+ g_hash_table_iter_init(&iter, obj->parent->properties);
+ while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) {
if (!object_property_is_child(prop)) {
continue;
}
return NULL;
}
- if (object_property_is_link(prop)) {
- LinkProperty *lprop = prop->opaque;
- return *lprop->child;
- } else if (object_property_is_child(prop)) {
- return prop->opaque;
+ if (prop->resolve) {
+ return prop->resolve(parent, prop->opaque, part);
} else {
return NULL;
}
bool *ambiguous)
{
Object *obj;
+ GHashTableIter iter;
ObjectProperty *prop;
obj = object_resolve_abs_path(parent, parts, typename, 0);
- QTAILQ_FOREACH(prop, &parent->properties, node) {
+ g_hash_table_iter_init(&iter, parent->properties);
+ while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) {
Object *found;
if (!object_property_is_child(prop)) {
{
StringProperty *prop = opaque;
char *value;
+ Error *err = NULL;
- value = prop->get(obj, errp);
- if (value) {
- visit_type_str(v, &value, name, errp);
- g_free(value);
+ value = prop->get(obj, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
}
+
+ visit_type_str(v, &value, name, errp);
+ g_free(value);
}
static void property_set_str(Object *obj, Visitor *v, void *opaque,
}
}
+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 **);
{
BoolProperty *prop = opaque;
bool value;
+ Error *err = NULL;
+
+ value = prop->get(obj, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
- value = prop->get(obj, errp);
visit_type_bool(v, &value, name, errp);
}
}
}
+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)
+{
+ EnumProperty *prop = opaque;
+ int value;
+ Error *err = NULL;
+
+ value = prop->get(obj, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ visit_type_enum(v, &value, prop->strings, NULL, name, errp);
+}
+
+static void property_set_enum(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ EnumProperty *prop = opaque;
+ int value;
+ Error *err = NULL;
+
+ visit_type_enum(v, &value, prop->strings, NULL, name, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ prop->set(obj, value, errp);
+}
+
+static void property_release_enum(Object *obj, const char *name,
+ void *opaque)
+{
+ EnumProperty *prop = opaque;
+ g_free(prop);
+}
+
+void object_property_add_enum(Object *obj, 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_property_add(obj, 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);
+ }
+}
+
+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;
+
+static void property_get_tm(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ TMProperty *prop = opaque;
+ Error *err = NULL;
+ struct tm value;
+
+ prop->get(obj, &value, &err);
+ if (err) {
+ goto out;
+ }
+
+ visit_start_struct(v, NULL, "struct tm", name, 0, &err);
+ if (err) {
+ goto out;
+ }
+ visit_type_int32(v, &value.tm_year, "tm_year", &err);
+ if (err) {
+ goto out_end;
+ }
+ visit_type_int32(v, &value.tm_mon, "tm_mon", &err);
+ if (err) {
+ goto out_end;
+ }
+ visit_type_int32(v, &value.tm_mday, "tm_mday", &err);
+ if (err) {
+ goto out_end;
+ }
+ visit_type_int32(v, &value.tm_hour, "tm_hour", &err);
+ if (err) {
+ goto out_end;
+ }
+ visit_type_int32(v, &value.tm_min, "tm_min", &err);
+ if (err) {
+ goto out_end;
+ }
+ visit_type_int32(v, &value.tm_sec, "tm_sec", &err);
+ if (err) {
+ goto out_end;
+ }
+out_end:
+ error_propagate(errp, err);
+ err = NULL;
+ visit_end_struct(v, errp);
+out:
+ error_propagate(errp, err);
+
+}
+
+static void property_release_tm(Object *obj, const char *name,
+ void *opaque)
+{
+ TMProperty *prop = opaque;
+ g_free(prop);
+}
+
+void object_property_add_tm(Object *obj, 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_property_add(obj, 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);
+ }
+}
+
+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));
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)
{
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)
{
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)
{
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;
+} AliasProperty;
+
+static void property_get_alias(Object *obj, struct Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ AliasProperty *prop = opaque;
+
+ object_property_get(prop->target_obj, v, prop->target_name, errp);
+}
+
+static void property_set_alias(Object *obj, struct Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ AliasProperty *prop = opaque;
+
+ object_property_set(prop->target_obj, v, prop->target_name, errp);
+}
+
+static Object *property_resolve_alias(Object *obj, void *opaque,
+ const gchar *part)
+{
+ AliasProperty *prop = opaque;
+
+ return object_resolve_path_component(prop->target_obj, prop->target_name);
+}
+
+static void property_release_alias(Object *obj, const char *name, void *opaque)
+{
+ AliasProperty *prop = opaque;
+
+ g_free(prop->target_name);
+ g_free(prop);
+}
+
+void object_property_add_alias(Object *obj, const char *name,
+ Object *target_obj, const char *target_name,
+ Error **errp)
+{
+ AliasProperty *prop;
+ ObjectProperty *op;
+ ObjectProperty *target_prop;
+ gchar *prop_type;
+ Error *local_err = NULL;
+
+ target_prop = object_property_find(target_obj, target_name, errp);
+ if (!target_prop) {
+ return;
+ }
+
+ if (object_property_is_child(target_prop)) {
+ prop_type = g_strdup_printf("link%s",
+ target_prop->type + strlen("child"));
+ } else {
+ prop_type = g_strdup(target_prop->type);
+ }
+
+ prop = g_malloc(sizeof(*prop));
+ prop->target_obj = target_obj;
+ prop->target_name = g_strdup(target_name);
+
+ op = object_property_add(obj, name, prop_type,
+ property_get_alias,
+ property_set_alias,
+ property_release_alias,
+ prop, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ g_free(prop);
+ goto out;
+ }
+ op->resolve = property_resolve_alias;
+
+ object_property_set_description(obj, op->name,
+ target_prop->description,
+ &error_abort);
+
+out:
+ g_free(prop_type);
+}
+
+void object_property_set_description(Object *obj, const char *name,
+ const char *description, Error **errp)
+{
+ ObjectProperty *op;
+
+ op = object_property_find(obj, name, errp);
+ if (!op) {
+ return;
+ }
+
+ g_free(op->description);
+ 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);
projects / qemu.git / blobdiff