def _initsession(self, host=None, port=None, username=None, password=None, uri=None, cleansession=None) -> dict:
# Load config
broker_conf = self.config.get('broker', dict()).copy()
if 'mqtt' not in broker_conf:
broker_conf['scheme'] = 'mqtt'
if 'username' not in broker_conf:
broker_conf['username'] = None
if 'password' not in broker_conf:
broker_conf['password'] = None
if uri is not None:
result = urlparse(uri)
if result.scheme:
broker_conf['scheme'] = result.scheme
if result.hostname:
broker_conf['host'] = result.hostname
if result.port:
broker_conf['port'] = result.port
if result.username:
broker_conf['username'] = result.username
if result.password:
broker_conf['password'] = result.password
if host:
broker_conf['host'] = host
if port:
broker_conf['port'] = int(port)
if username:
broker_conf['username'] = username
if password:
broker_conf['password'] = password
if cleansession is not None:
broker_conf['cleansession'] = cleansession
for key in ['scheme', 'host', 'port']:
if not_in_dict_or_none(broker_conf, key):
raise ClientException("Missing connection parameter '%s'" % key)
s = Session()
s.client_id = self.client_id
s.remote_address = broker_conf['host']
s.remote_port = broker_conf['port']
s.username = broker_conf['username']
s.password = broker_conf['password']
s.scheme = broker_conf['scheme']
if cleansession is not None:
s.cleansession = cleansession
else:
s.cleansession = self.config.get('cleansession', True)
s.keep_alive = self.config['keep_alive']
if 'will' in self.config:
s.will_flag = True
s.will_retain = self.config['will']['retain']
s.will_topic = self.config['will']['topic']
s.will_message = self.config['will']['message']
else:
s.will_flag = False
s.will_retain = False
s.will_topic = None
s.will_message = None
return s
