dns-suite.js/pure-parser-cli.js

'use strict';

// EXAMPLE:
// node pure-parser.js samples/a-0.mdns.bin

// pass a terminal arg
var filename = process.argv[2];
if (!filename) {
  console.error("Usage: node pure-parser-cli.js <path/to/sample.bin>");
  console.error("Example: node pure-parser-cli.js ./samples/services-0.mdns.bin");
  process.exit(1);
}


var PromiseA = require('bluebird');
var fs = PromiseA.promisifyAll(require('fs'));
var pdns = require('./pure-parser');

fs.readFileAsync(filename, null).then(function (nb) {
  //
  // current reference impl
  //
  //console.log(require('native-dns-packet').parse(nb));


  //
  // other reference impl
  //
  console.log(require('dns-js').DNSPacket.parse(nb));

  // nb is a Uint8Array (ArrayBufferView) for nb.buffer
  // nb.buffer is the actual ArrayBuffer
  var packet = pdns.unpack(nb.buffer);

  console.log('[packet]', nb.byteLength, 'bytes:');
  console.log(packet);
});