28 lines
785 B
Elixir
28 lines
785 B
Elixir
defmodule Openflow.MeterBand do
|
|
|
|
def read(meter_band_bin) do
|
|
do_read([], meter_band_bin)
|
|
end
|
|
|
|
def to_binary(meter_bands) when is_list(meter_bands) do
|
|
to_binary(<<>>, meter_bands)
|
|
end
|
|
def to_binary(meter_band) do
|
|
to_binary([meter_band])
|
|
end
|
|
|
|
# private functions
|
|
|
|
defp do_read(acc, <<>>), do: Enum.reverse(acc)
|
|
defp do_read(acc, <<type::16, length::16, _::bytes>> = binary) do
|
|
<<meter_band_bin::size(length)-bytes, rest::bytes>> = binary
|
|
codec = Openflow.Enums.to_atom(type, :meter_band_type)
|
|
do_read([codec.read(meter_band_bin)|acc], rest)
|
|
end
|
|
|
|
defp to_binary(acc, []), do: acc
|
|
defp to_binary(acc, [meter_band|rest]) do
|
|
codec = meter_band.__struct__
|
|
to_binary(<<acc::bytes, (codec.to_binary(meter_band))::bytes>>, rest)
|
|
end
|
|
end
|