def encode(self, pdu):
"""encode the contents of the BVLCI into the PDU."""
if _debug: BVLCI._debug("encode %s", str(pdu))
# copy the basics
PCI.update(pdu, self)
pdu.put( self.bvlciType ) # 0x84
pdu.put( self.bvlciFunction )
if (self.bvlciLength != len(self.pduData) + 4):
raise EncodingError("invalid BVLCI length")
pdu.put_short( self.bvlciLength )
def decode(self, pdu):
"""decode the contents of the PDU into the BVLCI."""
if _debug: BVLCI._debug("decode %s", str(pdu))
# copy the basics
PCI.update(self, pdu)
self.bvlciType = pdu.get()
if self.bvlciType != 0x84:
raise DecodingError("invalid BVLCI type")
self.bvlciFunction = pdu.get()
self.bvlciLength = pdu.get_short()
if (self.bvlciLength != len(pdu.pduData) + 4):
raise DecodingError("invalid BVLCI length")
def update(self, bvlci):
PCI.update(self, bvlci)
self.bvlciType = bvlci.bvlciType
self.bvlciFunction = bvlci.bvlciFunction
self.bvlciLength = bvlci.bvlciLength