-# This is created when a component wants to iterate on one of its input ports.
-class _UserComponentInputPortMessageIterator(_GenericMessageIterator):
- _get_msg_range = staticmethod(native_bt.bt2_self_component_port_input_get_msg_range)
- _get_ref = staticmethod(
- native_bt.self_component_port_input_message_iterator_get_ref
- )
- _put_ref = staticmethod(
- native_bt.self_component_port_input_message_iterator_put_ref
- )
- _can_seek_beginning = staticmethod(
- native_bt.self_component_port_input_message_iterator_can_seek_beginning
- )
- _seek_beginning = staticmethod(
- native_bt.self_component_port_input_message_iterator_seek_beginning
- )
+ def seek_ns_from_origin(self, ns_from_origin):
+ utils._check_int64(ns_from_origin)
+
+ # Forget about buffered messages, they won't be valid after seeking.
+ self._current_msgs.clear()
+ self._at = 0
+
+ status = native_bt.self_component_port_input_message_iterator_seek_ns_from_origin(
+ self._ptr, ns_from_origin
+ )
+ utils._handle_func_status(
+ status, 'message iterator cannot seek given ns from origin'
+ )
+
+ @property
+ def can_seek_forward(self):
+ return native_bt.self_component_port_input_message_iterator_can_seek_forward(
+ self._ptr
+ )
+
+
+class _MessageIteratorConfiguration:
+ def __init__(self, ptr):
+ self._ptr = ptr
+
+ def can_seek_forward(self, value):
+ utils._check_bool(value)
+ native_bt.self_message_iterator_configuration_set_can_seek_forward(
+ self._ptr, value
+ )
+
+ can_seek_forward = property(fset=can_seek_forward)