parsing test

output

ravi@ravi-Lenovo-G50-45:~/beagle-js$ node serializer
<Buffer 06 ff ff ff ff ff ff 08 00 06 a0 f6 fd 8a e9 1a>
{ h_dest: [ 6, 255, 255, 255, 255, 255 ],
  h_source: [ 255, 8, 0, 6, 160, 246 ],
  h_proto: -630 }

serializer.js

var Parser = require('binary-parser').Parser;

// schemapack
var sp = require('schemapack');
var ethhdr_e = sp.build({
    h_dest : ['uint8'],
    h_source : ['uint8'],
    h_proto : 'uint16'
    
});

var eth = {
    h_dest : [ 255, 255, 255, 255, 255, 255 ],
    h_source : [ 160, 246, 253, 138, 233, 26 ],
    h_proto : 2048
};

// encode
var schbuf = ethhdr_e.encode(eth);



// Parsing
var ethhdr = new Parser()
    .array('h_dest',{
        type: 'uint8',
        length: 6
    })
    .array('h_source',{
        type: 'uint8',
        length: 6
    })
    .int16be('h_proto');


console.log(schbuf);
console.log(ethhdr.parse(schbuf));