dlms-protocol/lib/messages/ActionRequest.js

DLMS Protocol parser for JavaScript

"use strict";

require("core-js/modules/es.parse-int.js");
require("core-js/modules/es.regexp.exec.js");
require("core-js/modules/es.regexp.to-string.js");
require("core-js/modules/es.string.match.js");
require("core-js/modules/esnext.iterator.map.js");
require("core-js/modules/web.dom-collections.iterator.js");
var _MessageType = _interopRequireDefault(require("../enum/MessageType"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
class ActionRequest {
  constructor(cosemAddress) {
    let parameters = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
    let dlmsData = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
    this.SetType = 0x01;
    this.invokeIdAndPriority = this.generateInvokeId();
    this.CosemClassId = cosemAddress.Classid;
    this.CosemObjectInstanceId = cosemAddress.Instanceid;
    this.CosemObjectAttributeId = cosemAddress.Attributeid;
    this.MethodInvocationParameters = 0;
    if (parameters) {
      this.MethodInvocationParameters = 1;
      this.Parameters = this.hexStringToByteArray(parameters);
    }
    if (dlmsData) {
      this.MethodInvocationParameters = 1;
      this.DlmsData = dlmsData;
    }
  }

  // Helper function to generate a random Invoke ID
  generateInvokeId() {
    return 0xC0 + Math.floor(Math.random() * 15) + 1;
  }

  // Convert a hex string to a byte array
  hexStringToByteArray(hexString) {
    return hexString.match(/.{1,2}/g).map(byte => parseInt(byte, 16));
  }

  // Insert data method (overloaded)
  insertData(bytes) {
    throw new Error("Method not implemented");
  }
  insertDataWithAddress(cosemAddress) {
    this.SetType = 0x01;
    this.invokeIdAndPriority = this.generateInvokeId();
    this.CosemClassId = cosemAddress.Classid;
    this.CosemObjectInstanceId = cosemAddress.Instanceid;
    this.CosemObjectAttributeId = cosemAddress.Attributeid;
    this.MethodInvocationParameters = 0;
  }
  insertDataWithDlms(cosemAddress, dlmsData) {
    this.SetType = 0x01;
    this.invokeIdAndPriority = this.generateInvokeId();
    this.CosemClassId = cosemAddress.Classid;
    this.CosemObjectInstanceId = cosemAddress.Instanceid;
    this.CosemObjectAttributeId = cosemAddress.Attributeid;
    this.MethodInvocationParameters = 1;
    this.DlmsData = dlmsData;
  }

  // Get the byte array
  getBytes() {
    let result = [];
    result.push(_MessageType.default.ACTION_REQUEST);
    result.push(this.SetType);
    result.push(this.invokeIdAndPriority);
    result.push(...this.CosemClassId);
    result.push(...this.CosemObjectInstanceId);
    result.push(...this.CosemObjectAttributeId);
    result.push(this.MethodInvocationParameters);
    if (this.MethodInvocationParameters === 1) {
      result.push(...(this.DlmsData ? this.DlmsData.RawValue : this.Parameters));
    }
    this.Value = [...result]; // Clone the result
    return result;
  }

  // Get the hexadecimal string representation
  getHexString() {
    return this.Value.map(dat => dat.toString(16).padStart(2, '0').toUpperCase()).join(' ');
  }
}
module.exports = ActionRequest;