--- /dev/null
+/*
+ * iterator.c
+ *
+ * Babeltrace Notification Iterator
+ *
+ * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/compiler.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/component/component.h>
+#include <babeltrace/component/source-internal.h>
+#include <babeltrace/component/notification/iterator.h>
+#include <babeltrace/component/notification/iterator-internal.h>
+
+static
+void bt_notification_iterator_destroy(struct bt_object *obj)
+{
+ struct bt_notification_iterator *iterator;
+
+ assert(obj);
+ iterator = container_of(obj, struct bt_notification_iterator,
+ base);
+ assert(iterator->user_destroy || !iterator->user_data);
+ if (iterator->user_destroy) {
+ iterator->user_destroy(iterator);
+ }
+ BT_PUT(iterator->component);
+ g_free(iterator);
+}
+
+BT_HIDDEN
+struct bt_notification_iterator *bt_notification_iterator_create(
+ struct bt_component *component)
+{
+ enum bt_component_type type;
+ struct bt_notification_iterator *iterator = NULL;
+
+ if (!component) {
+ goto end;
+ }
+
+ type = bt_component_get_type(component);
+ switch (type) {
+ case BT_COMPONENT_TYPE_SOURCE:
+ case BT_COMPONENT_TYPE_FILTER:
+ break;
+ default:
+ goto end;
+ }
+
+ iterator = g_new0(struct bt_notification_iterator, 1);
+ if (!iterator) {
+ goto end;
+ }
+
+ iterator->component = bt_get(component);
+ bt_object_init(iterator, bt_notification_iterator_destroy);
+end:
+ return iterator;
+}
+
+BT_HIDDEN
+enum bt_notification_iterator_status bt_notification_iterator_validate(
+ struct bt_notification_iterator *iterator)
+{
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_OK;
+
+ if (!iterator || !iterator->get || !iterator->next) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto end;
+ }
+end:
+ return ret;
+}
+
+enum bt_notification_iterator_status bt_notification_iterator_set_get_cb(
+ struct bt_notification_iterator *iterator,
+ bt_notification_iterator_get_cb get)
+{
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_OK;
+
+ if (!iterator || !get) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto end;
+ }
+
+ iterator->get = get;
+end:
+ return ret;
+}
+
+enum bt_notification_iterator_status
+bt_notification_iterator_set_next_cb(struct bt_notification_iterator *iterator,
+ bt_notification_iterator_next_cb next)
+{
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_OK;
+
+ if (!iterator || !next) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto end;
+ }
+
+ iterator->next = next;
+end:
+ return ret;
+}
+
+enum bt_notification_iterator_status
+bt_notification_iterator_set_seek_time_cb(
+ struct bt_notification_iterator *iterator,
+ bt_notification_iterator_seek_time_cb seek_time)
+{
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_OK;
+
+ if (!iterator || !seek_time) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto end;
+ }
+
+ iterator->seek_time = seek_time;
+end:
+ return ret;
+}
+
+enum bt_notification_iterator_status
+bt_notification_iterator_set_destroy_cb(
+ struct bt_notification_iterator *iterator,
+ bt_notification_iterator_destroy_cb destroy)
+{
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_OK;
+
+ if (!iterator || !destroy) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto end;
+ }
+
+ iterator->user_destroy = destroy;
+end:
+ return ret;
+}
+
+void *bt_notification_iterator_get_private_data(
+ struct bt_notification_iterator *iterator)
+{
+ return iterator ? iterator->user_data : NULL;
+}
+
+enum bt_notification_iterator_status
+bt_notification_iterator_set_private_data(
+ struct bt_notification_iterator *iterator, void *data)
+{
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_OK;
+
+ if (!iterator || !data) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto end;
+ }
+
+ iterator->user_data = data;
+end:
+ return ret;
+}
+
+struct bt_notification *bt_notification_iterator_get_notification(
+ struct bt_notification_iterator *iterator)
+{
+ assert(iterator);
+ assert(iterator->get);
+ return iterator->get(iterator);
+}
+
+enum bt_notification_iterator_status
+bt_notification_iterator_next(struct bt_notification_iterator *iterator)
+{
+ assert(iterator);
+ assert(iterator->next);
+ return iterator->next(iterator);
+}
+
+struct bt_component *bt_notification_iterator_get_component(
+ struct bt_notification_iterator *iterator)
+{
+ return bt_get(iterator->component);
+}
+
+enum bt_notification_iterator_status bt_notification_iterator_seek_time(
+ struct bt_notification_iterator *iterator,
+ enum bt_notification_iterator_seek_origin seek_origin,
+ int64_t time)
+{
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_UNSUPPORTED;
+ return ret;
+}
projects / babeltrace.git / blobdiff