sut

%% Copyright (c) 2012-2023, Michael Santos <michael.santos@gmail.com>
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-define(IPPROTO_IPV6, 41).

-define(PROPLIST_TO_RECORD(Record), fun(Proplist) ->
    Fields = record_info(fields, Record),
    [Tag | Values] = tuple_to_list(#Record{}),
    Defaults = lists:zip(Fields, Values),
    L = lists:map(fun({K, V}) -> proplists:get_value(K, Proplist, V) end, Defaults),
    list_to_tuple([Tag | L])
end).

-record(sut_state, {
    ifname = <<"sut-ipv6">> :: binary(),
    serverv4 = {127, 0, 0, 1} :: string() | inet:ip4_address(),
    clientv4 = {127, 0, 0, 1} :: string() | inet:ip4_address(),
    clientv6 = {0, 0, 0, 0, 0, 0, 0, 1} :: string() | inet:ip6_address(),

    filter_out = fun(_Packet, _State) -> ok end :: sut:filter(),
    filter_in = fun(_Packet, _State) -> ok end :: sut:filter(),

    error_out = fun
        (ok) -> ok;
        (Error) -> Error
    end :: sut:errorfun(),
    error_in = fun
        (ok) -> ok;
        (Error) -> Error
    end :: sut:errorfun(),

    s :: undefined | inet:socket(),
    fd :: undefined | integer(),
    dev :: undefined | pid()
}).