defmodule Openflow.Echo.Request do
  defstruct(
    version:        4,
    xid:            0,
    data:          "",
    datapath_id:  nil, # virtual field
    aux_id:         0  # virtual field
  )

  alias __MODULE__

  def ofp_type, do: 2

  def new(data \\ "") do
    %Request{data: data}
  end

  def read(data) do
    %Request{data: data}
  end

  def to_binary(%Request{data: data}) do
    data
  end
end