tres/lib/openflow/actions/nx_write_metadata.ex
2017-11-13 22:52:53 +09:00

32 lines
1.1 KiB
Elixir

defmodule Openflow.Action.NxWriteMetadata do
defstruct(
metadata: 0,
metadata_mask: 0xffffffffffffffff
)
@experimenter 0x00002320
@nxast 22
alias __MODULE__
def new(metadata) when is_integer(metadata) do
new(metadata: metadata)
end
def new(options) when is_list(options) do
metadata = Keyword.get(options, :metadata, 0)
metadata_mask = Keyword.get(options, :metadata_mask, 0xffffffffffffffff)
%NxWriteMetadata{metadata: metadata, metadata_mask: metadata_mask}
end
def to_binary(%NxWriteMetadata{metadata: metadata, metadata_mask: metadata_mask}) do
exp_body = <<@experimenter::32, @nxast::16, 0::size(6)-unit(8), metadata::64, metadata_mask::64>>
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, _::size(6)-unit(8), metadata::64, metadata_mask::64>>) do
%NxWriteMetadata{metadata: metadata, metadata_mask: metadata_mask}
end
end