def _create_packet_end_message(self, packet, default_clock_snapshot=None):
utils._check_type(packet, bt2_packet._Packet)
if packet.stream.cls.packets_have_end_default_clock_snapshot:
if default_clock_snapshot is None:
raise ValueError(
"packet end messages in this stream must have a default clock snapshot"
)
utils._check_uint64(default_clock_snapshot)
ptr = native_bt.message_packet_end_create_with_default_clock_snapshot(
self._bt_ptr, packet._ptr, default_clock_snapshot)
else:
if default_clock_snapshot is not None:
raise ValueError(
"packet end messages in this stream must not have a default clock snapshot"
)
ptr = native_bt.message_packet_end_create(self._bt_ptr,
packet._ptr)
if ptr is None:
raise bt2._MemoryError('cannot create packet end message object')
return bt2_message._PacketEndMessage(ptr)
def __init__(self, packet):
utils._check_type(packet, bt2.packet._Packet)
ptr = native_bt.message_packet_end_create(packet._ptr)
if ptr is None:
raise bt2.CreationError('cannot create packet end message object')
super().__init__(ptr)
def __init__(self, packet):
utils._check_type(packet, bt2.packet._Packet)
ptr = native_bt.message_packet_end_create(packet._ptr)
if ptr is None:
raise bt2.CreationError('cannot create packet end message object')
super().__init__(ptr)