qom: Split object_property_set_link()
The path resolution logic in object_property_set_link() should be a separate function. This makes the code easier to read and maintain. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
parent
c8897e8eb9
commit
f5ec6704c7
60
qom/object.c
60
qom/object.c
@ -1039,17 +1039,50 @@ static void object_get_link_property(Object *obj, Visitor *v, void *opaque,
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* object_resolve_link:
|
||||||
|
*
|
||||||
|
* Lookup an object and ensure its type matches the link property type. This
|
||||||
|
* is similar to object_resolve_path() except type verification against the
|
||||||
|
* link property is performed.
|
||||||
|
*
|
||||||
|
* Returns: The matched object or NULL on path lookup failures.
|
||||||
|
*/
|
||||||
|
static Object *object_resolve_link(Object *obj, const char *name,
|
||||||
|
const char *path, Error **errp)
|
||||||
|
{
|
||||||
|
const char *type;
|
||||||
|
gchar *target_type;
|
||||||
|
bool ambiguous = false;
|
||||||
|
Object *target;
|
||||||
|
|
||||||
|
/* Go from link<FOO> to FOO. */
|
||||||
|
type = object_property_get_type(obj, name, NULL);
|
||||||
|
target_type = g_strndup(&type[5], strlen(type) - 6);
|
||||||
|
target = object_resolve_path_type(path, target_type, &ambiguous);
|
||||||
|
|
||||||
|
if (ambiguous) {
|
||||||
|
error_set(errp, QERR_AMBIGUOUS_PATH, path);
|
||||||
|
} else if (!target) {
|
||||||
|
target = object_resolve_path(path, &ambiguous);
|
||||||
|
if (target || ambiguous) {
|
||||||
|
error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type);
|
||||||
|
} else {
|
||||||
|
error_set(errp, QERR_DEVICE_NOT_FOUND, path);
|
||||||
|
}
|
||||||
|
target = NULL;
|
||||||
|
}
|
||||||
|
g_free(target_type);
|
||||||
|
|
||||||
|
return target;
|
||||||
|
}
|
||||||
|
|
||||||
static void object_set_link_property(Object *obj, Visitor *v, void *opaque,
|
static void object_set_link_property(Object *obj, Visitor *v, void *opaque,
|
||||||
const char *name, Error **errp)
|
const char *name, Error **errp)
|
||||||
{
|
{
|
||||||
Object **child = opaque;
|
Object **child = opaque;
|
||||||
Object *old_target;
|
Object *old_target;
|
||||||
bool ambiguous = false;
|
|
||||||
const char *type;
|
|
||||||
char *path;
|
char *path;
|
||||||
gchar *target_type;
|
|
||||||
|
|
||||||
type = object_property_get_type(obj, name, NULL);
|
|
||||||
|
|
||||||
visit_type_str(v, &path, name, errp);
|
visit_type_str(v, &path, name, errp);
|
||||||
|
|
||||||
@ -1059,25 +1092,12 @@ static void object_set_link_property(Object *obj, Visitor *v, void *opaque,
|
|||||||
if (strcmp(path, "") != 0) {
|
if (strcmp(path, "") != 0) {
|
||||||
Object *target;
|
Object *target;
|
||||||
|
|
||||||
/* Go from link<FOO> to FOO. */
|
target = object_resolve_link(obj, name, path, errp);
|
||||||
target_type = g_strndup(&type[5], strlen(type) - 6);
|
if (target) {
|
||||||
target = object_resolve_path_type(path, target_type, &ambiguous);
|
|
||||||
|
|
||||||
if (ambiguous) {
|
|
||||||
error_set(errp, QERR_AMBIGUOUS_PATH, path);
|
|
||||||
} else if (target) {
|
|
||||||
object_ref(target);
|
object_ref(target);
|
||||||
*child = target;
|
*child = target;
|
||||||
} else {
|
|
||||||
target = object_resolve_path(path, &ambiguous);
|
|
||||||
if (target || ambiguous) {
|
|
||||||
error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type);
|
|
||||||
} else {
|
|
||||||
error_set(errp, QERR_DEVICE_NOT_FOUND, path);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
g_free(target_type);
|
|
||||||
}
|
|
||||||
|
|
||||||
g_free(path);
|
g_free(path);
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user