74 lines
2.7 KiB
Erlang
74 lines
2.7 KiB
Erlang
% OTP Supervisor for MGW NAT
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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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%
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% Additional Permission under GNU AGPL version 3 section 7:
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%
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% If you modify this Program, or any covered work, by linking or
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% combining it with runtime libraries of Erlang/OTP as released by
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% Ericsson on http://www.erlang.org (or a modified version of these
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% libraries), containing parts covered by the terms of the Erlang Public
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% License (http://www.erlang.org/EPLICENSE), the licensors of this
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% Program grant you additional permission to convey the resulting work
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% without the need to license the runtime libraries of Erlang/OTP under
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% the GNU Affero General Public License. Corresponding Source for a
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% non-source form of such a combination shall include the source code
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% for the parts of the runtime libraries of Erlang/OTP used as well as
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% that of the covered work.
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-module(mgw_nat_sup).
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-behavior(supervisor).
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-export([start_link/0]).
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-export([init/1]).
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start_link() ->
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supervisor:start_link({local, ?MODULE}, ?MODULE, []).
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init(_Args) ->
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sccp_masq:init(),
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map_masq:config_update(),
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SignLinkList = get_app_config(sign_links),
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ChildList = gen_child_list(SignLinkList),
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AdmChild = {mgw_nat_adm, {mgw_nat_adm, start_link, [foo]},
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permanent, 2000, worker, [mgw_nat_usr, sctp_handler,
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mgw_nat, mgw_nat_adm]},
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{ok,{{one_for_one,60,600}, [AdmChild|ChildList]}}.
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% generate a list of child specifications, one for each signalling link
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gen_child_list(SignLinkList) ->
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gen_child_list(SignLinkList, []).
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gen_child_list([], ChildList) ->
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ChildList;
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gen_child_list([Link|Tail], ChildList) ->
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{Name, ChildArgs} = Link,
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NewChild = {Name, {mgw_nat_usr, start_link, [[{msc_name, Name}|ChildArgs]]},
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permanent, 2000, worker, [mgw_nat_usr, sctp_handler, mgw_nat]},
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gen_child_list(Tail, [NewChild|ChildList]).
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get_app_config(Name) ->
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case application:get_env(mgw_nat, Name) of
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undefined ->
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error_logger:error_report([{error, app_cfg_missing},
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{get_app_config, Name}]),
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throw(app_cfg_missing);
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{ok, Val} ->
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Val
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end.
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