backup_door_memory

#!/usr/bin/env python3

from rdoorlib import GHCard,GHACL,GHMUX
import json

def get_door_acl(door):
    acll = []
    acl_list = door.acl_list()
    if len(acl_list) == 0:
        raise(Exception('No ACL list from door controller'))
    for acl in acl_list:
        acll.append(acl)
    return acll

def main():
    door = GHMUX()

    data = dict()

    data['acl'] = get_door_acl(door)
    for address in ( '0000', '0010' ):
        data[address] = door.read_address(address)

    # sanity checks
    # we only read_address 0000-0001F so acl_list should cover 0020 and on
    if str(data['0000'][0]) != '00' or str(data['0000'][1]) != '20':
        raise(Exception('Unexpected, ACL start is not 0020'))
    # as above, the first ACL should show 0020 as address
    if str(data['acl'][0]['addr']) != '0020':
        raise(Exception('Unexpected, address of first ACL is not 0020'))
    # the ACL_end value (bytes 2 & 3) should be the first ACL after the end
    # offset of 4 from the last ACL's addr
    if int(data['acl'][-1]['addr'], base=16) + 4 != int(data['0000'][2] + data['0000'][3], base=16):
        raise(Exception('Unexpected, address of last ACL does not match bytes 2 & 3'))

    print(json.dumps(data, sort_keys=True, indent=4))

if __name__ == '__main__':
    main()