Openflow parser

lib/openflow/actions/nx_set_tunnel.ex

@@ -0,0 +1,24 @@
+defmodule Openflow.Action.NxSetTunnel do
+  defstruct(tunnel_id: 0)
+
+  @experimenter 0x00002320
+  @nxast 2
+
+  alias __MODULE__
+
+  def new(tunnel_id) do
+    %NxSetTunnel{tunnel_id: tunnel_id}
+  end
+
+  def to_binary(%NxSetTunnel{tunnel_id: tunnel_id}) do
+    exp_body = <<@experimenter::32, @nxast::16, 0::16, tunnel_id::32>>
+    exp_body_size =  byte_size(exp_body)
+    padding_length = Openflow.Utils.padding(4 + exp_body_size, 8)
+    length = 4 + exp_body_size + padding_length
+    <<0xffff::16, length::16, exp_body::bytes, 0::size(padding_length)-unit(8)>>
+  end
+
+  def read(<<@experimenter::32, @nxast::16, _::16, tunnel_id::32>>) do
+    %NxSetTunnel{tunnel_id: tunnel_id}
+  end
+end