UNPKG

knx-listener

Version:

A thin client that creates a tunnel to knx gateway to listen to telegrams within knx net

github.com/crabicode/knx-listener

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"use strict"; const os_1 = require("os"); function ip2num(ipString) { const ipNumber = ipString.split('.'); return ((((((+ipNumber[0]) * 256) + (+ipNumber[1])) * 256) + (+ipNumber[2])) * 256) + (+ipNumber[3]); } exports.ip2num = ip2num; function num2ip(ipNumber) { let ipString = (ipNumber % 256).toString(); for (let i = 3; i > 0; i--) { ipNumber = Math.floor(ipNumber / 256); ipString = ipNumber % 256 + '.' + ipString; } return ipString; } exports.num2ip = num2ip; function num2mac(macNumber) { return String(1e12 + (macNumber) .toString(16)).slice(-12).match(/.{1,2}/g).join(':'); } exports.num2mac = num2mac; function mac2num(macString) { return parseInt(macString.split(':').join(''), 16); } exports.mac2num = mac2num; function getCurrentIp() { const ifaces = os_1.networkInterfaces(); for (const dev in ifaces) { for (const details of ifaces[dev]) { if (details.family === 'IPv4' && details.internal === false) { return details.address; } } } throw new Error('Failed to get current ip'); } exports.getCurrentIp = getCurrentIp; function sizeOf(value) { return Math.ceil(Math.log2(value + 1) / 4) || 1; } exports.sizeOf = sizeOf; function knxAddr2num(addrStr) { const m = addrStr.split(/[\.\/]/); if (m && m.length > 0) { return (((+m[0]) & 0x01f) << 11) + (((+m[1]) & 0x07) << 8) + ((+m[2]) & 0xff); } throw Error(`Could not encode ${addrStr} address`); } exports.knxAddr2num = knxAddr2num; function num2knxAddr(addrNum, isGroupAddr = true) { return [ (addrNum >> 11) & 0xf, isGroupAddr ? (addrNum >> 8) & 0x7 : (addrNum >> 8) & 0xf, (addrNum & 0xff) ].join(isGroupAddr ? '/' : '.'); } exports.num2knxAddr = num2knxAddr; function removeNonPrintable(str) { return str.replace(/[^\x20-\x7E]+/g, ''); } exports.removeNonPrintable = removeNonPrintable; function noop(..._) { } exports.noop = noop; function isIPv4(ipStr) { return /(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/ .test(ipStr); } exports.isIPv4 = isIPv4; function isKnxAddress(knxStrAddr, isGroupAddress = true) { if (isGroupAddress) { // group address 1/1/1 return /^(3[01]|([0-2]?[0-9]))\/(([0-7]\/(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))|(([01]?\d{1,3})|(20[0-4][0-7])))$/ .test(knxStrAddr); } else { // individual address 1.1.15 return /^([01]?\d)\.([01]?\d)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])?$/.test(knxStrAddr); } } exports.isKnxAddress = isKnxAddress; //# 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