tres/lib/openflow/actions/nx_reg_load2.ex
Eishun Kondoh 7635272fbd Formatted
2018-01-30 22:47:31 +09:00

44 lines
1.4 KiB
Elixir

defmodule Openflow.Action.NxRegLoad2 do
defstruct(
dst_field: nil,
value: nil
)
@experimenter 0x00002320
@nxast 33
alias __MODULE__
def new(options) do
dst_field = Keyword.get(options, :dst_field)
value = Keyword.get(options, :value)
%NxRegLoad2{dst_field: dst_field, value: value}
end
def to_binary(%NxRegLoad2{dst_field: dst_field, value: value}) do
match_bin =
[{dst_field, value}]
|> Openflow.Match.new()
|> Openflow.Match.to_binary()
<<1::16, _length::16, padded_field::bytes>> = match_bin
patial_len = 4 + 4 + 2 + 6 + byte_size(padded_field)
padding = Openflow.Utils.padding(patial_len, 8)
exp_body =
<<@experimenter::32, @nxast::16, 0::48, padded_field::bytes, 0::size(padding)-unit(8)>>
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, _::48, match_field_bin::bytes>>) do
<<_class::16, _field::7, _hm::1, flen::8, _rest::bytes>> = match_field_bin
match_len = 4 + 4 + flen
match_bin = <<1::16, match_len::16, match_field_bin::bytes, 0::size(4)-unit(8)>>
{[{dst_field, value} | _], _rest} = Openflow.Match.read(match_bin)
%NxRegLoad2{dst_field: dst_field, value: value}
end
end