def _is_matching_credit_based_connection_request(packet, psm):
frame = L2capMatchers.le_control_frame_with_code(
packet, LeCommandCode.LE_CREDIT_BASED_CONNECTION_REQUEST)
if frame is None:
return False
request = l2cap_packets.LeCreditBasedConnectionRequestView(frame)
return request.GetLePsm() == psm
def _extract_credit_based_connection_request(packet):
frame = L2capMatchers.le_control_frame_with_code(
packet, LeCommandCode.LE_CREDIT_BASED_CONNECTION_REQUEST)
return l2cap_packets.LeCreditBasedConnectionRequestView(frame)