55 lines
2.5 KiB
Erlang
55 lines
2.5 KiB
Erlang
-module(m3ua_codec_tests).
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-author('Harald Welte <laforge@gnumonks.org>').
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-include_lib("eunit/include/eunit.hrl").
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-include("m3ua.hrl").
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-include("mtp3.hrl").
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% individual message encode/decode tests
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-define(MSG_ENC, <<1,0,1,1,0,0,0,168,2,0,0,8,1,171,205,239,0,6,0,8,17,34,51,68,2,16,0,136, 0,1,3,5,0,1,1,1,3,2,8,14,9,1,3,14,25,11,146,6,0,18,4,25,153,150,118,57, 152,11,18,8,0,18,4,25,137,150,146,153,41,90,98,88,72,4,134,18,5,114,107, 26,40,24,6,7,0,17,134,5,1,1,1,160,13,96,11,161,9,6,7,4,0,0,1,0,5,3,108, 52,161,50,2,1,128,2,1,22,48,42,128,7,145,25,153,150,118,57,152,131,1,0, 133,1,1,134,7,145,25,137,150,146,153,41,135,8,155,172,3,185,8,16,174, 125,171,6,3,2,6,192,5,0,0,19,0,8,252,220,18,152>>).
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-define(MSG_DEC, {m3ua_msg,1,1,1,164,[{512,<<1,171,205,239>>},{6,<<17,34,51,68>>},{528,{mtp3_msg,2,3,{mtp3_routing_label,14,65793,66309},8,<<9,1,3,14,25,11,146,6,0,18,4,25,153,150,118,57,152,11,18,8,0,18,4,25,137,150,146,153,41,90,98,88,72,4,134,18,5,114,107,26,40,24,6,7,0,17,134,5,1,1,1,160,13,96,11,161,9,6,7,4,0,0,1,0,5,3,108,52,161,50,2,1,128,2,1,22,48,42,128,7,145,25,153,150,118,57,152,131,1,0,133,1,1,134,7,145,25,137,150,146,153,41,135,8,155,172,3,185,8,16,174,125,171,6,3,2,6,192,5,0>>}},{19,<<252,220,18,152>>}]}).
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%dec_test() ->
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% ?assertEqual(?MSG_DEC, m3ua_codec:parse_m3ua_msg(?MSG_ENC)).
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%enc_test() ->
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% ?assertEqual(?MSG_ENC, m3ua_codec:encode_m3ua_msg(?MSG_DEC)).
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% parser test for real-world ISUP data
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pcap_parse_test() ->
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Args = [{rewrite_fn, fun pcap_cb/5}],
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File = "../priv/m3ua.pcap",
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case file:read_file_info(File) of
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{ok, _Info} ->
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{ok, NrPkts} = osmo_ss7_pcap:pcap_apply(File, "", Args),
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?debugFmt("Parsed ~p PCAP packets~n", [NrPkts]);
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{error, _Reason} ->
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?debugFmt("Skipping PCAP based tests as no ~p could be found~n",
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[File])
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end.
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pcap_cb(sctp, _From, _Path, 3, DataBin) ->
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%?debugFmt("PCAP ~p~n", [DataBin]),
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M3ua = m3ua_codec:parse_m3ua_msg(DataBin),
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NewBin = m3ua_codec:encode_m3ua_msg(M3ua),
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handle_m3ua(M3ua),
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?assertEqual(DataBin, NewBin).
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handle_m3ua(#m3ua_msg{msg_class = ?M3UA_MSGC_TRANSFER, msg_type = ?M3UA_MSGT_XFR_DATA,
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payload = OptList}) ->
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%?debugFmt("TRANSFER OptList ~p~n", [OptList]),
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Mtp3 = proplists:get_value(?M3UA_IEI_PROTOCOL_DATA, OptList),
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handle_mtp3(Mtp3);
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handle_m3ua(#m3ua_msg{}) ->
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ok.
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handle_mtp3(Mtp3 = #mtp3_msg{service_ind = ?MTP3_SERV_SCCP, payload = Payload}) ->
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{ok, SccpDec} = sccp_codec:parse_sccp_msg(Payload),
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SccpEnc = sccp_codec:encode_sccp_msg(SccpDec),
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?assertEqual(Payload, SccpEnc);
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handle_mtp3(#mtp3_msg{}) ->
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ok.
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