"use strict";
/**
* The whoIs event represents the request for an IAm reponse to detect all
* devices in a BACNET network.
*
* @event bacnet.whoIs
* @param {number=} lowLimit - The lowest BACnet ID being queried.
* @param {number=} highLimit - The highest BACnet ID being queried.
*
* @example
* const bacnet = require('ts-bacnet');
* const client = new bacnet();
*
* client.on('whoIs', (msg) => {
* console.log(
* 'address: ', msg.header.address,
* ' - lowLimit: ', msg.payload.lowLimit,
* ' - highLimit: ', msg.payload.highLimit
* );
* });
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.decode = exports.encode = void 0;
const baAsn1 = __importStar(require("../asn1"));
const baEnum = __importStar(require("../enum"));
const encode = (buffer, lowLimit, highLimit) => {
if (lowLimit >= 0 &&
lowLimit <= baEnum.ASN1_MAX_INSTANCE &&
highLimit >= 0 &&
highLimit <= baEnum.ASN1_MAX_INSTANCE) {
baAsn1.encodeContextUnsigned(buffer, 0, lowLimit);
baAsn1.encodeContextUnsigned(buffer, 1, highLimit);
}
};
exports.encode = encode;
const decode = (buffer, offset, apduLen) => {
let len = 0;
let value = {};
if (apduLen <= 0) {
return {}; // TODO: why??
}
let result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
len += result.len;
if (result.tagNumber !== 0) {
return undefined;
}
if (apduLen <= len) {
return undefined;
}
let decodedValue = baAsn1.decodeUnsigned(buffer, offset + len, result.value);
len += decodedValue.len;
if (decodedValue.value <= baEnum.ASN1_MAX_INSTANCE) {
value.lowLimit = decodedValue.value;
}
if (apduLen <= len) {
return undefined;
}
result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
len += result.len;
if (result.tagNumber !== 1) {
return undefined;
}
if (apduLen <= len) {
return undefined;
}
decodedValue = baAsn1.decodeUnsigned(buffer, offset + len, result.value);
len += decodedValue.len;
if (decodedValue.value <= baEnum.ASN1_MAX_INSTANCE) {
value.highLimit = decodedValue.value;
}
value.len = len;
return value;
};
exports.decode = decode;