def opcua_converter_main(options):
# setup our server
server = Server()
uasecurity = UaSecurity()
if uasecurity.get_securitytype() == 'tls':
server_cert, client_cert, private_key = uasecurity.get_certificates()
if server_cert is None:
logger.error(
'tls is enabled, but server cert is missing with current configuration'
)
sys.exit(-1)
if private_key is None:
logger.error(
'tls is enabled, but private key is missing with current configuration'
)
sys.exit(-1)
server.load_certificate(server_cert)
server.load_private_key(private_key)
ConfigHistoryStorage(server)
server.start()
# setup adapter
adapter = PlugInAdapter(options.conf_file)
handler = SubHandler(server, adapter)
handler.run()
adapter.subscription(handler.datachange_notification,
handler.event_notification)
adapter.start()
try:
while True:
logger.debug('opcua converter running......')
time.sleep(60)
finally:
# close connection, remove subcsriptions, etc
adapter.stop()
server.stop()
def datachange_notification(self, node, val, data):
print("Python: New data change event", node, val)
def event_notification(self, event):
print("Python: New event", event)
if __name__ == "__main__":
logging.basicConfig(level=logging.WARN)
#logger = logging.getLogger("KeepAlive")
# logger.setLevel(logging.DEBUG)
client = Client("opc.tcp://localhost:4840")
uasecurity = UaSecurity()
if uasecurity.get_securitytype() == 'tls':
server_cert, client_cert, private_key = uasecurity.get_certificates()
if server_cert is None:
print(
'tls is enabled, but server cert is missing with current configuration'
)
sys.exit(-1)
if private_key is None:
print(
'tls is enabled, but private key is missing with current configuration'
)
sys.exit(-1)
client.load_client_certificate(server_cert)
client.load_private_key(private_key)
try:
client.connect()