def __init__(self, logger, encryption):
self.logger = logger
self.encryption = encryption
# contains RegisterAgent objects indexed by client_id
self.clients = {}
self.clients_lock = Lock()
# contains registered user names for fast look up
self.registered_usernames = set()
self.registered_usernames_lock = Lock()
self.client_id = 0
self.rsa_key = RSA.generate_RSA_keypair()
self.logger.info('Server RSA key mod %s, exp %s', str(self.rsa_key.n), str(self.rsa_key.e))
self.__fetch_query = Fetcher(logger)
self.__parse_query = Parser(logger)
self.__ontology_manager = OntologyManager()
