def __call__(self, packet):
"""
Handle CONTROL packets
"""
if packet.request.header.type_id == 'CONTROL':
for transaction, response in zip(packet.request.data, packet.response.data):
response.data = IPBusWords.parse(self.__transaction__(transaction)).data
return packet
def __transaction__(self, transaction):
protocol = self.registry.get(self.parse_address(transaction.address),
None)
if protocol is None:
raise KeyError(transaction.address)
protocol = protocol()
if transaction.header.type_id == 'READ':
return IPBusWords.parse(
protocol.read(transaction.address,
transaction.header.words)).data
elif transaction.header.type_id == 'WRITE':
protocol.write(transaction.address,
bytes(bytearray(transaction.data)))
return
