def __init__(self, event, cc_prio_map=None):
utils._check_type(event, bt2.event._Event)
if cc_prio_map is not None:
utils._check_type(cc_prio_map, bt2.clock_class_priority_map.ClockClassPriorityMap)
cc_prio_map_ptr = cc_prio_map._ptr
else:
cc_prio_map_ptr = None
ptr = native_bt.message_event_create(event._ptr, cc_prio_map_ptr)
if ptr is None:
raise bt2.CreationError('cannot create event message object')
super().__init__(ptr)
def __init__(self, event, cc_prio_map=None):
utils._check_type(event, bt2.event._Event)
if cc_prio_map is not None:
utils._check_type(
cc_prio_map,
bt2.clock_class_priority_map.ClockClassPriorityMap)
cc_prio_map_ptr = cc_prio_map._ptr
else:
cc_prio_map_ptr = None
ptr = native_bt.message_event_create(event._ptr, cc_prio_map_ptr)
if ptr is None:
raise bt2.CreationError('cannot create event message object')
super().__init__(ptr)
def _create_event_message(self,
event_class,
parent,
default_clock_snapshot=None):
utils._check_type(event_class, bt2_event_class._EventClass)
if event_class.stream_class.supports_packets:
utils._check_type(parent, bt2_packet._Packet)
else:
utils._check_type(parent, bt2_stream._Stream)
if default_clock_snapshot is not None:
if event_class.stream_class.default_clock_class is None:
raise ValueError(
'event messages in this stream must not have a default clock snapshot'
)
utils._check_uint64(default_clock_snapshot)
if event_class.stream_class.supports_packets:
ptr = native_bt.message_event_create_with_packet_and_default_clock_snapshot(
self._bt_ptr, event_class._ptr, parent._ptr,
default_clock_snapshot)
else:
ptr = native_bt.message_event_create_with_default_clock_snapshot(
self._bt_ptr, event_class._ptr, parent._ptr,
default_clock_snapshot)
else:
if event_class.stream_class.default_clock_class is not None:
raise ValueError(
'event messages in this stream must have a default clock snapshot'
)
if event_class.stream_class.supports_packets:
ptr = native_bt.message_event_create_with_packet(
self._bt_ptr, event_class._ptr, parent._ptr)
else:
ptr = native_bt.message_event_create(self._bt_ptr,
event_class._ptr,
parent._ptr)
if ptr is None:
raise bt2._MemoryError('cannot create event message object')
return bt2_message._EventMessage(ptr)