blob: 562c07a69ec5045d82c97be111c30c6a0843aa20 [file] [log] [blame]
Harald Welte789c8b12011-01-22 20:53:50 +00001% Wrapper code, wrapping sctp_handler.erl into OTP gen_server
2
3% (C) 2011 by Harald Welte <laforge@gnumonks.org>
4% (C) 2011 OnWaves
5%
6% All Rights Reserved
7%
8% This program is free software; you can redistribute it and/or modify
9% it under the terms of the GNU Affero General Public License as
10% published by the Free Software Foundation; either version 3 of the
11% License, or (at your option) any later version.
12%
13% This program is distributed in the hope that it will be useful,
14% but WITHOUT ANY WARRANTY; without even the implied warranty of
15% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16% GNU General Public License for more details.
17%
18% You should have received a copy of the GNU Affero General Public License
19% along with this program. If not, see <http://www.gnu.org/licenses/>.
20
21-module(mgw_nat_usr).
22-author("Harald Welte <laforge@gnumonks.org>").
23
24-behavior(gen_server).
25
26-export([start_link/1, stop/0]).
27-export([init/1, handle_cast/2, handle_info/2, terminate/2]).
28
29
30start_link(Params) ->
31 gen_server:start_link({local, ?MODULE}, ?MODULE, Params, []).
32
33stop() ->
34 gen_server:cast(?MODULE, stop).
35
36
37%% Callback functions of the OTP behavior
38
39init(Params) ->
40 apply(sctp_handler, init, Params).
41
42handle_cast(stop, LoopData) ->
43 {stop, normal, LoopData}.
44
45terminate(_Reason, _LoopData) ->
46 ok.
47
48% callback for other events like incoming SCTP message
49handle_info({sctp, Sock, Ip, Port, Data}, LoopData) ->
50 NewL = sctp_handler:handle_sctp(LoopData, {sctp, Sock, Ip, Port, Data}),
51 {noreply, NewL}.