+typedef enum bt_message_iterator_create_from_message_iterator_status {
+ BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK = __BT_FUNC_STATUS_OK,
+ BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_ERROR = __BT_FUNC_STATUS_ERROR,
+ BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_MEMORY_ERROR = __BT_FUNC_STATUS_MEMORY_ERROR,
+} bt_message_iterator_create_from_message_iterator_status;
+
+typedef enum bt_message_iterator_create_from_sink_component_status {
+ BT_MESSAGE_ITERATOR_CREATE_FROM_SINK_COMPONENT_STATUS_OK = __BT_FUNC_STATUS_OK,
+ BT_MESSAGE_ITERATOR_CREATE_FROM_SINK_COMPONENT_STATUS_ERROR = __BT_FUNC_STATUS_ERROR,
+ BT_MESSAGE_ITERATOR_CREATE_FROM_SINK_COMPONENT_STATUS_MEMORY_ERROR = __BT_FUNC_STATUS_MEMORY_ERROR,
+} bt_message_iterator_create_from_sink_component_status;
+
+static inline
+bt_message_iterator *
+bt_message_iterator_as_message_iterator(
+ bt_message_iterator *iterator)
+{
+ return __BT_UPCAST(bt_message_iterator, iterator);
+}
+
+extern bt_message_iterator_create_from_message_iterator_status
+bt_message_iterator_create_from_message_iterator(
+ bt_self_message_iterator *self_msg_iter,
+ bt_self_component_port_input *input_port,
+ bt_message_iterator **message_iterator);
+
+extern bt_message_iterator_create_from_sink_component_status
+bt_message_iterator_create_from_sink_component(
+ bt_self_component_sink *self_comp,
+ bt_self_component_port_input *input_port,
+ bt_message_iterator **message_iterator);
+
+extern bt_component *
+bt_message_iterator_borrow_component(
+ bt_message_iterator *iterator);
+
+extern bt_message_iterator_next_status
+bt_message_iterator_next(
+ bt_message_iterator *iterator,
+ bt_message_array_const *msgs, uint64_t *count);
+
+extern bt_message_iterator_can_seek_ns_from_origin_status
+bt_message_iterator_can_seek_ns_from_origin(
+ bt_message_iterator *iterator,
+ int64_t ns_from_origin, bt_bool *can_seek);
+
+extern bt_message_iterator_can_seek_beginning_status
+bt_message_iterator_can_seek_beginning(
+ bt_message_iterator *iterator,
+ bt_bool *can_seek);
+
+extern bt_message_iterator_seek_ns_from_origin_status
+bt_message_iterator_seek_ns_from_origin(
+ bt_message_iterator *iterator,
+ int64_t ns_from_origin);
+
+extern bt_message_iterator_seek_beginning_status
+bt_message_iterator_seek_beginning(
+ bt_message_iterator *iterator);
+
+extern bt_bool
+bt_message_iterator_can_seek_forward(
+ bt_message_iterator *iterator);
+
+extern void bt_message_iterator_get_ref(
+ const bt_message_iterator *message_iterator);
+
+extern void bt_message_iterator_put_ref(
+ const bt_message_iterator *message_iterator);
+
+#define BT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(_var) \
+ do { \
+ bt_message_iterator_put_ref(_var); \
+ (_var) = NULL; \
+ } while (0)
+
+#define BT_MESSAGE_ITERATOR_MOVE_REF(_var_dst, _var_src) \
+ do { \
+ bt_message_iterator_put_ref(_var_dst); \
+ (_var_dst) = (_var_src); \
+ (_var_src) = NULL; \
+ } while (0)
+