79 lines
2.7 KiB
Erlang
79 lines
2.7 KiB
Erlang
% SS7 service handler for dumping MTP3 payload (testing)
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% (C) 2010-2011 by Harald Welte <laforge@gnumonks.org>
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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(ss7_service_dump).
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-behaviour(gen_fsm).
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-export([start_link/1, init/1, idle/2]).
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-include_lib("osmo_ss7/include/osmo_util.hrl").
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-include_lib("osmo_ss7/include/mtp3.hrl").
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-include_lib("osmo_ss7/include/isup.hrl").
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-include_lib("osmo_ss7/include/sccp.hrl").
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-record(loop_dat, {
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ssns
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}).
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start_link(Ssns) ->
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gen_fsm:start_link(ss7_service_dump, [Ssns], []).
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init(Ssn) when is_integer(Ssn) ->
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init([Ssn]);
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init(Ssns) when is_list(Ssns) ->
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bind_services(Ssns),
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{ok, idle, #loop_dat{ssns = Ssns}}.
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bind_services([]) ->
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ok;
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bind_services([Head|Tail]) ->
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ok = ss7_links:bind_service(Head, "ss7_service_dump"),
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bind_services(Tail).
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parse_mtp3(#mtp3_msg{service_ind = ?MTP3_SERV_SCCP, payload = Payload}) ->
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sccp_codec:parse_sccp_msg(Payload);
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parse_mtp3(#mtp3_msg{service_ind = ?MTP3_SERV_ISUP, payload = Payload}) ->
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isup_codec:parse_isup_msg(Payload).
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idle(#primitive{subsystem = 'MTP', gen_name = 'TRANSFER',
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spec_name = indication, parameters = Mtp3Msg}, LoopDat) ->
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io:format("ss7_service_dump in: ~p~n", [Mtp3Msg]),
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try parse_mtp3(Mtp3Msg) of
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Parsed ->
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io:format("ss7_service_dump out: ~p~n", [Parsed])
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catch
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_ ->
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io:format("ss7_service_dump parser error~n")
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end,
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{next_state, idle, LoopDat}.
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