tres/lib/openflow/instructions/write_metadata.ex
2019-05-05 23:39:46 +09:00

31 lines
811 B
Elixir

defmodule Openflow.Instruction.WriteMetadata do
defstruct(value: 0, mask: 0xFFFFFFFFFFFFFFFF)
alias __MODULE__
@type t :: %WriteMetadata{
value: 0..0xFFFFFFFFFFFFFFFF,
mask: 0..0xFFFFFFFFFFFFFFFF
}
@spec new(
value: 0..0xFFFFFFFFFFFFFFFF,
mask: 0..0xFFFFFFFFFFFFFFFF
) :: t()
def new(options) do
%WriteMetadata{
value: options[:value] || 0,
mask: options[:mask] || 0xFFFFFFFFFFFFFFFF
}
end
@spec to_binary(t()) :: <<_::192>>
def to_binary(%WriteMetadata{value: value, mask: mask}) do
<<2::16, 24::16, 0::size(4)-unit(8), value::64, mask::64>>
end
@spec read(<<_::192>>) :: t()
def read(<<2::16, 24::16, _::size(4)-unit(8), value::64, mask::64>>) do
%WriteMetadata{value: value, mask: mask}
end
end