def _information_request_with_type(packet, info_type):
frame = L2capMatchers.control_frame_with_code(packet, CommandCode.INFORMATION_REQUEST)
if frame is None:
return None
request = l2cap_packets.InformationRequestView(frame)
if request.GetInfoType() != info_type:
return None
return request
def _on_information_request_default(self, l2cap_control_view):
information_request = l2cap_packets.InformationRequestView(
l2cap_control_view)
sid = information_request.GetIdentifier()
information_type = information_request.GetInfoType()
if information_type == l2cap_packets.InformationRequestInfoType.CONNECTIONLESS_MTU:
response = l2cap_packets.InformationResponseConnectionlessMtuBuilder(
sid, l2cap_packets.InformationRequestResult.SUCCESS, 100)
self.control_channel.send(response)
return
if information_type == l2cap_packets.InformationRequestInfoType.EXTENDED_FEATURES_SUPPORTED:
response = l2cap_packets.InformationResponseExtendedFeaturesBuilder(
sid, l2cap_packets.InformationRequestResult.SUCCESS, 0, 0, 0,
self.support_ertm, 0, self.support_fcs, 0, 0, 0, 0, 0)
self.control_channel.send(response)
return
if information_type == l2cap_packets.InformationRequestInfoType.FIXED_CHANNELS_SUPPORTED:
response = l2cap_packets.InformationResponseFixedChannelsBuilder(
sid, l2cap_packets.InformationRequestResult.SUCCESS, 2)
self.control_channel.send(response)
return