_write(chunk, encoding, cb) {
    if (this._opcode === 0x08 && this._state == GET_INFO) return cb();

    this._bufferedBytes += chunk.length;
    this._buffers.push(chunk);
    this.startLoop(cb);
  }
Implements `Writable.prototype._write()`.

@param {Buffer} chunk The chunk of data to write
@param {String} encoding The character encoding of `chunk`
@param {Function} cb Callback
@private