86 lines
2.6 KiB
Erlang
86 lines
2.6 KiB
Erlang
% Wrapper code, wrapping sctp_handler.erl into OTP gen_server
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% (C) 2011 by Harald Welte <laforge@gnumonks.org>
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% (C) 2011 OnWaves
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%
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% All Rights Reserved
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%
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% This program is free software; you can redistribute it and/or modify
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% it under the terms of the GNU Affero General Public License as
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% published by the Free Software Foundation; either version 3 of the
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% License, or (at your option) any later version.
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%
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% This program is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU Affero General Public License
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% along with this program. If not, see <http://www.gnu.org/licenses/>.
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-module(mgw_nat_usr).
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-author("Harald Welte <laforge@gnumonks.org>").
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-behavior(gen_server).
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-export([start_link/1, stop/0, sccp_masq_reset/0, sccp_masq_dump/0,
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reload_config/0]).
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-export([init/1, handle_cast/2, handle_info/2, terminate/2]).
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start_link(Params) ->
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gen_server:start_link({local, ?MODULE}, ?MODULE, Params, []).
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stop() ->
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gen_server:cast(?MODULE, stop).
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sccp_masq_reset() ->
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gen_server:cast(?MODULE, sccp_masq_reset).
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sccp_masq_dump() ->
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gen_server:cast(?MODULE, sccp_masq_dump).
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reload_config() ->
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gen_server:cast(?MODULE, reload_config).
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%% Callback functions of the OTP behavior
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init(_Params) ->
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sccp_masq:init(),
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map_masq:config_update(),
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{ok, MscLocalIp} = application:get_env(msc_local_ip),
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{ok, MscLocalPort} = application:get_env(msc_local_port),
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{ok, MscRemoteIp} = application:get_env(msc_remote_ip),
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{ok, StpRemoteIp} = application:get_env(stp_remote_ip),
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{ok, StpRemotePort} = application:get_env(stp_remote_port),
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{ok, RewriteActMod} = application:get_env(rewrite_act_mod),
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io:format("Starting mgw_nat_usr with rewrite actor module ~p~n", [RewriteActMod]),
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SctpHdlrArgs = [MscLocalIp, MscLocalPort, MscRemoteIp,
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StpRemoteIp, StpRemotePort, RewriteActMod],
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apply(sctp_handler, init, SctpHdlrArgs).
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handle_cast(stop, LoopData) ->
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{stop, normal, LoopData};
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handle_cast(sccp_masq_reset, LoopData) ->
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sccp_masq:reset(),
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{noreply, LoopData};
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handle_cast(sccp_masq_dump, LoopData) ->
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sccp_masq:dump(),
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{noreply, LoopData};
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handle_cast(reload_config, LoopData) ->
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{ok, RewriteActMod} = application:get_env(rewrite_act_mod),
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RewriteActMod:reload_config(),
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{noreply, LoopData}.
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terminate(_Reason, _LoopData) ->
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ok.
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% callback for other events like incoming SCTP message
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handle_info({sctp, Sock, Ip, Port, Data}, LoopData) ->
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NewL = sctp_handler:handle_sctp(LoopData, {sctp, Sock, Ip, Port, Data}),
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{noreply, NewL}.
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