* SOFTWARE.
*/
+#include <babeltrace/plugin/component.h>
#include <babeltrace/plugin/component-internal.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/compiler.h>
+#include <babeltrace/ref.h>
-static void bt_component_destroy(struct bt_ctf_ref *ref);
+static
+void bt_component_destroy(struct bt_object *obj)
+{
+ struct bt_component *component = NULL;
+ struct bt_component_class *component_class = NULL;
+
+ if (!obj) {
+ return;
+ }
+
+ component = container_of(obj, struct bt_component, base);
+
+ /**
+ * User data is destroyed first, followed by the concrete component
+ * instance.
+ */
+ assert(!component->user_data || component->user_destroy);
+ component->user_destroy(component->user_data);
+
+ g_string_free(component->name, TRUE);
+
+ assert(component->destroy);
+ component_class = component->class;
+
+ /* Frees the component, which becomes invalid */
+ component->destroy(component);
+ component = NULL;
+
+ bt_put(component_class);
+}
+
+BT_HIDDEN
+enum bt_component_status bt_component_init(struct bt_component *component,
+ struct bt_component_class *class, const char *name,
+ bt_component_destroy_cb destroy)
+{
+ enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+
+ if (!component || !class || !name || name[0] == '\0' || !destroy) {
+ ret = BT_COMPONENT_STATUS_INVAL;
+ goto end;
+ }
+
+ bt_object_init(component, bt_component_destroy);
+ component->class = bt_get(class);
+ component->name = g_string_new(name);
+ if (!component->name) {
+ ret = BT_COMPONENT_STATUS_NOMEM;
+ goto end;
+ }
+ component->destroy = destroy;
+end:
+ return ret;
+}
const char *bt_component_get_name(struct bt_component *component)
{
goto end;
}
- type = component->type;
+ type = component->class->type;
end:
return type;
}
return ret;
}
-void bt_component_get(struct bt_component *component)
-{
- if (!component) {
- return;
- }
-
- bt_ctf_ref_get(&component->ref_count);
-}
-
-void bt_component_put(struct bt_component *component)
-{
- if (!component) {
- return;
- }
-
- bt_ctf_ref_put(&component->ref_count, bt_component_destroy);
-}
-
-BT_HIDDEN
-enum bt_component_status bt_component_init(struct bt_component *component,
- const char *name, void *user_data,
- bt_component_destroy_cb user_destroy_func,
- enum bt_component_type component_type,
- bt_component_destroy_cb component_destroy)
-{
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- if (!component || !name || name[0] == '\0' ||
- !user_destroy_func || !user_data || !component_destroy) {
- ret = BT_COMPONENT_STATUS_INVAL;
- goto end;
- }
-
- bt_ctf_ref_init(&component->ref_count);
- component->type = component_type;
- component->user_data = user_data;
- component->user_data_destroy = user_destroy_func;
- component->destroy = component_destroy;
-
- component->name = g_string_new(name);
- if (!component->name) {
- ret = BT_COMPONENT_STATUS_NOMEM;
- goto end;
- }
-end:
- return ret;
-}
-
void *bt_component_get_private_data(struct bt_component *component)
{
void *ret = NULL;
end:
return ret;
}
-
-static
-void bt_component_destroy(struct bt_ctf_ref *ref)
-{
- struct bt_component *component = NULL;
-
- if (!ref) {
- return;
- }
-
- component = container_of(ref, struct bt_component, ref_count);
-
- /**
- * User data is destroyed first, followed by the concrete component
- * instance.
- */
- assert(!component->user_data || component->user_data_destroy);
- component->user_data_destroy(component->user_data);
-
- g_string_free(component->name, TRUE);
-
- assert(component->destroy);
- component->destroy(component);
-}