from bt2 import interrupter as bt2_interrupter
from bt2 import connection as bt2_connection
from bt2 import component as bt2_component
-from bt2 import message_iterator as bt2_message_iterator
import functools
from bt2 import port as bt2_port
from bt2 import logging as bt2_logging
_get_ref = staticmethod(native_bt.graph_get_ref)
_put_ref = staticmethod(native_bt.graph_put_ref)
- def __init__(self):
- ptr = native_bt.graph_create()
+ def __init__(self, mip_version=0):
+ utils._check_uint64(mip_version)
+
+ if mip_version > bt2.get_maximal_mip_version():
+ raise ValueError('unknown MIP version {}'.format(mip_version))
+
+ ptr = native_bt.graph_create(mip_version)
if ptr is None:
raise bt2._MemoryError('cannot create graph object')
return utils._ListenerHandle(listener_ids, self)
+ def run_once(self):
+ status = native_bt.graph_run_once(self._ptr)
+ utils._handle_func_status(status, 'graph object could not run once')
+
def run(self):
status = native_bt.graph_run(self._ptr)
def interrupt(self):
native_bt.graph_interrupt(self._ptr)
-
- def create_output_port_message_iterator(self, output_port):
- utils._check_type(output_port, bt2_port._OutputPort)
- msg_iter_ptr = native_bt.port_output_message_iterator_create(
- self._ptr, output_port._ptr
- )
-
- if msg_iter_ptr is None:
- raise bt2._MemoryError('cannot create output port message iterator')
-
- return bt2_message_iterator._OutputPortMessageIterator(msg_iter_ptr)