Method clb

opcua/client/ua_client.py:200–204

(future)

        # use callback to make sure channel security parameters are set immedialty
        # and we do no get race conditions
        def clb(future):
            response = struct_from_binary(ua.OpenSecureChannelResponse, future.result())
            response.ResponseHeader.ServiceResult.check()
            self._connection.set_channel(response.Parameters, params.RequestType, params.ClientNonce)
            clb.future.set_result(response)
        clb.future = Future()  # hack to have a variable only shared between a callback and us

        self._send_request(request, message_type=ua.MessageType.SecureOpen, callback=clb)