%% Copyright (c) 2009-2015, Michael Santos <michael.santos@gmail.com>
%% All rights reserved.
%%
%% Redistribution and use in source and binary forms, with or without
%% modification, are permitted provided that the following conditions
%% are met:
%%
%% Redistributions of source code must retain the above copyright
%% notice, this list of conditions and the following disclaimer.
%%
%% Redistributions in binary form must reproduce the above copyright
%% notice, this list of conditions and the following disclaimer in the
%% documentation and/or other materials provided with the distribution.
%%
%% Neither the name of the author nor the names of its contributors
%% may be used to endorse or promote products derived from this software
%% without specific prior written permission.
%%
%% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
%% "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
%% LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
%% FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
%% COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
%% INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
%% BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
%% LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
%% CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
%% LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
%% ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
%% POSSIBILITY OF SUCH DAMAGE.
-module(pkt_linux_cooked).

-include("pkt_dlt.hrl").
-include("pkt_ether.hrl").
-include("pkt_arp.hrl").
-include("pkt_linux_cooked.hrl").

-export([codec/1]).

%%
%% Linux cooked capture ("-i any") - DLT_LINUX_SLL
%%
codec(<<Ptype:16/big, Hrd:16/big, Ll_len:16/big,
               Ll_hdr:8/bytes, Pro:16, Payload/binary>>) ->
    {#linux_cooked{
        packet_type = Ptype, hrd = Hrd,
        ll_len = Ll_len, ll_bytes = Ll_hdr,
        pro = Pro
      }, Payload};
codec(#linux_cooked{
              packet_type = Ptype, hrd = Hrd,
              ll_len = Ll_len, ll_bytes = Ll_hdr,
              pro = Pro
             }) ->
    <<Ptype:16/big, Hrd:16/big, Ll_len:16/big,
      Ll_hdr:8/bytes, Pro:16>>.