Openflow parser

lib/openflow/get_config/reply.ex

@@ -0,0 +1,26 @@
+defmodule Openflow.GetConfig.Reply do
+  defstruct(
+    version:        4,
+    xid:            0,
+    datapath_id:   "",
+    aux_id:         0,
+    flags:          [], # default = "normal" is no special handling
+    miss_send_len: 128
+  )
+
+  alias __MODULE__
+
+  def ofp_type, do: 8
+
+  def read(<<flags_int::16, miss_send_len0::16>>) do
+    flags = Openflow.Enums.int_to_flags(flags_int, :config_flags)
+    miss_send_len = Openflow.Utils.get_enum(miss_send_len0, :controller_max_len)
+    %Reply{flags: flags, miss_send_len: miss_send_len}
+  end
+
+  def to_binary(%Reply{flags: flags, miss_send_len: miss_send_len0}) do
+    flags_int = Openflow.Enums.flags_to_int(flags, :config_flags)
+    miss_send_len = Openflow.Utils.get_enum(miss_send_len0, :controller_max_len)
+    <<flags_int::16, miss_send_len::16>>
+  end
+end

lib/openflow/get_config/request.ex

@@ -0,0 +1,24 @@
+defmodule Openflow.GetConfig.Request do
+  defstruct(
+    version:        4,
+    xid:            0,
+    datapath_id:  nil, # virtual field
+    aux_id:         0  # virtual field
+  )
+
+  alias __MODULE__
+
+  def ofp_type, do: 7
+
+  def new do
+    %Request{}
+  end
+
+  def read(_) do
+    %Request{}
+  end
+
+  def to_binary(%Request{}) do
+    <<>>
+  end
+end