import logging from eive_tmtc.config.definitions import CFDP_APID from spacepackets.ccsds import SPACE_PACKET_HEADER_SIZE from spacepackets.cfdp import PduFactory, PduType, DirectiveType from tmtccmd.cfdp.handler import CfdpInCcsdsHandler from tmtccmd.tm import SpecificApidHandlerBase _LOGGER = logging.getLogger(__name__) class CfdpInCcsdsWrapper(SpecificApidHandlerBase): def __init__(self, cfdp_in_ccsds_handler: CfdpInCcsdsHandler): super().__init__(CFDP_APID, None) self.handler = cfdp_in_ccsds_handler def handle_tm(self, packet: bytes, _user_args: any): # Ignore the space packet header. Its only purpose is to use the same protocol and # have a seaprate APID for space packets. If this function is called, the APID is correct. pdu = packet[SPACE_PACKET_HEADER_SIZE:] pdu_base = PduFactory.from_raw(pdu) if pdu_base.pdu_type == PduType.FILE_DATA: _LOGGER.info("Received File Data PDU") else: directive_type = DirectiveType(pdu_base.directive_type) _LOGGER.info(f"Received File Directive PDU with type {directive_type!r}") self.handler.pass_pdu_packet(pdu_base)