ait.dsn.cfdp.pdu.header module

class ait.dsn.cfdp.pdu.header.Header(*args, **kwargs)

Bases: object

CRC_NOT_PRESENT = 0

CRC_PRESENT = 1

FILE_DATA_PDU = 1

FILE_DIRECTIVE_PDU = 0

TOWARDS_RECEIVER = 0

TOWARDS_SENDER = 1

TRANSACTION_SEQ_NUM_LENGTH = 4

is_valid()

Check if all header fields are valid length

property length

Byte length of Header

to_bytes()

Encode PDU to a raw bytes (string) format to be transmitted

Each byte is encoded into an int representation of the binary, and added to a list of bytes in order. All the bytes are then packed into a struct.

static to_object(pdu_hdr)

Return PDU subclass object created from given bytes of data

ait.dsn.cfdp.pdu.header.int_to_byte_list(value)