node-red-contrib-iiot-opcua/opcuaIIoT/opcua-iiot-flex-connector.js

An Industrial IoT OPC UA toolbox contribution package for Node-RED based on node-opcua.

/*
 The BSD 3-Clause License

 Copyright 2022 - DATATRONiQ GmbH (https://datatroniq.com)
 Copyright (c) 2018-2022 Klaus Landsdorf (http://node-red.plus/)
 All rights reserved.
 node-red-contrib-iiot-opcua
 */
'use strict';
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const opcua_iiot_core_connector_1 = __importDefault(require("./core/opcua-iiot-core-connector"));
const opcua_iiot_core_1 = require("./core/opcua-iiot-core");
/**
 * Event Node-RED node.
 *
 * @param RED
 */
module.exports = function (RED) {
    // SOURCE-MAP-REQUIRED
    function OPCUAIIoTFlexConnector(config) {
        RED.nodes.createNode(this, config);
        this.name = config.name;
        this.showStatusActivities = config.showStatusActivities;
        this.showErrors = config.showErrors;
        this.connector = RED.nodes.getNode(config.connector);
        let self = this;
        self.iiot = {};
        this.status({ fill: 'blue', shape: 'ring', text: 'new' });
        this.on('input', (msg) => {
            opcua_iiot_core_connector_1.default.internalDebugLog('connector change request input');
            const payload = msg.payload;
            if (self.connector) {
                if (payload.endpoint && payload.endpoint.includes('opc.tcp:')) {
                    opcua_iiot_core_connector_1.default.internalDebugLog('connector change possible');
                    opcua_iiot_core_connector_1.default.internalDebugLog(payload);
                    self.connector.functions.restartWithNewSettings(payload, () => {
                        opcua_iiot_core_connector_1.default.internalDebugLog('connector change injected');
                        this.send(msg);
                    });
                }
                else {
                    opcua_iiot_core_connector_1.default.internalDebugLog('Connector Change Not Possible - Wrong Endpoint');
                    this.error(new Error('Connector Change Not Possible - Wrong Endpoint'), msg);
                }
            }
            else {
                opcua_iiot_core_connector_1.default.internalDebugLog('Connector Change Not Possible - No Connector');
                this.error(new Error('Connector Change Not Possible - No Connector'), msg);
            }
        });
        const statusHandler = (status) => {
            this.status(status);
        };
        const errorHandler = (err, msg) => {
            this.error(err, msg);
        };
        const onAlias = (event, callback) => {
            // @ts-ignore
            this.on(event, callback);
        };
        (0, opcua_iiot_core_1.registerToConnector)(this, statusHandler, onAlias, errorHandler);
        this.on('close', (done) => {
            self.removeAllListeners();
            (0, opcua_iiot_core_1.deregisterToConnector)(this, () => {
                (0, opcua_iiot_core_1.resetIiotNode)(this);
                done();
            });
        });
    }
    RED.nodes.registerType('OPCUA-IIoT-Flex-Connector', OPCUAIIoTFlexConnector);
};

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