def _is_matching_disconnection_request(packet, scid, dcid):
frame = L2capMatchers.control_frame_with_code(
packet, CommandCode.DISCONNECTION_REQUEST)
if frame is None:
return False
request = l2cap_packets.DisconnectionRequestView(frame)
return request.GetSourceCid() == scid and request.GetDestinationCid(
) == dcid
def _on_disconnection_request_default(self, l2cap_control_view):
disconnection_request = l2cap_packets.DisconnectionRequestView(
l2cap_control_view)
sid = disconnection_request.GetIdentifier()
scid = disconnection_request.GetSourceCid()
dcid = disconnection_request.GetDestinationCid()
disconnection_response = l2cap_packets.DisconnectionResponseBuilder(
sid, dcid, scid)
self.control_channel.send(disconnection_response)