cbs/index.js

Carlos's Buffer Serializer

exports.serialize = function (buffers) {
  var parts = [];
  buffers.forEach(function (part) {
    var len = Buffer(4);
    if (typeof part === 'string') part = Buffer(part);
    len.writeUInt32BE(part.length, 0);
    parts.push(len, part);
  });
  return Buffer.concat(parts);
};

exports.unserialize = function (buf) {
  var parts = [];
  var l = buf.length, idx = 0;
  while (idx < l) {
    var dlen = buf.readUInt32BE(idx);
    idx += 4;
    var start = idx;
    var end = start + dlen;
    var part = buf.slice(start, end);
    parts.push(part);
    idx += part.length;
  }
  return parts;
};