@halsystems/red-bacnet/ext/node-bacstack/dist/lib/services/private-transfer.js

NodeRED BACnet IP client

'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
exports.decode = exports.encode = void 0;
const baAsn1 = require("../asn1");
const encode = (buffer, vendorId, serviceNumber, data) => {
    baAsn1.encodeContextUnsigned(buffer, 0, vendorId);
    baAsn1.encodeContextUnsigned(buffer, 1, serviceNumber);
    baAsn1.encodeOpeningTag(buffer, 2);
    for (let i = 0; i < data.length; i++) {
        buffer.buffer[buffer.offset++] = data[i];
    }
    baAsn1.encodeClosingTag(buffer, 2);
};
exports.encode = encode;
const decode = (buffer, offset, apduLen) => {
    let len = 0;
    let result;
    let decodedValue;
    const value = {};
    result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
    len += result.len;
    decodedValue = baAsn1.decodeUnsigned(buffer, offset + len, result.value);
    len += decodedValue.len;
    value.vendorId = decodedValue.value;
    result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
    len += result.len;
    decodedValue = baAsn1.decodeUnsigned(buffer, offset + len, result.value);
    len += decodedValue.len;
    value.serviceNumber = decodedValue.value;
    result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
    len += result.len;
    const size = apduLen - (offset + len + 1);
    const data = [];
    for (let i = 0; i < size; i++) {
        data.push(buffer[offset + len++]);
    }
    value.data = data;
    result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
    len += result.len;
    value.len = len;
    return value;
};
exports.decode = decode;