def __init__(self, bootstrap, socket_options, tls_context, region):
assert isinstance(bootstrap, ClientBootstrap)
assert isinstance(socket_options, SocketOptions)
assert isinstance(tls_context, ClientTlsContext)
assert isinstance(region, str)
self._bootstrap = bootstrap
self._socket_options = socket_options
self._region = region
self._gg_server_name = 'greengrass-ats.iot.{}.amazonaws.com'.format(
region)
self._tls_connection_options = tls_context.new_connection_options()
self._tls_connection_options.set_server_name(self._gg_server_name)
self.port = 8443
if is_alpn_available():
self._tls_connection_options.set_alpn_list(['x-amzn-http-ca'])
self.port = 443
tls_options = None
if args.cert or args.key or args.root_ca:
if args.cert:
assert args.key
tls_options = io.TlsContextOptions.create_client_with_mtls_from_path(args.cert, args.key)
else:
tls_options = io.TlsContextOptions()
if args.root_ca:
with open(args.root_ca, mode='rb') as ca:
rootca = ca.read()
tls_options.override_default_trust_store(rootca)
if args.port:
port = args.port
elif io.is_alpn_available():
port = 443
if tls_options:
tls_options.alpn_list = ['x-amzn-mqtt-ca']
else:
port = 8883
tls_context = io.ClientTlsContext(tls_options) if tls_options else None
mqtt_client = mqtt.Client(client_bootstrap, tls_context)
# Connect
print("Connecting to {}:{} with client-id:{}".format(args.endpoint, port, CLIENT_ID))
mqtt_connection = mqtt.Connection(
client=mqtt_client,
host_name=args.endpoint,
port=port,