erlang
/
mgw_nat
mirror of https://gerrit.osmocom.org/erlang/mgw_nat
4
0
Fork 0
Code Issues Projects Releases Wiki Activity

explicitly try/catch ISUP errors and log all related data

This commit is contained in:
Harald Welte 2011-03-27 23:54:45 +02:00
parent eee3eac368
commit 89f8031494
1 changed files with 18 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/mgw_nat.erl
View File

@ -78,15 +78,24 @@ mangle_rx_mtp3_serv(Fn, From, Path, ?MTP3_SERV_ISUP, Mtp3 = #mtp3_msg{payload =
Isup = isup_codec:parse_isup_msg(Payload),
io:format("ISUP Decode: ~p~n", [Isup]),
%IsupMangled = mangle_rx_isup(From, Path, Isup#isup_msg.msg_type, Isup),
IsupMangled = Fn(isup, From, Path, Isup#isup_msg.msg_type, Isup),
if IsupMangled == Isup ->
Mtp3;
true ->
io:format("ISUP Encode In: ~p~n", [IsupMangled]),
Payload_out = isup_codec:encode_isup_msg(IsupMangled),
io:format("ISUP Encode Out: ~p~n", [Payload_out]),
% return modified MTP3 payload
Mtp3#mtp3_msg{payload = Payload_out}
try Fn(isup, From, Path, Isup#isup_msg.msg_type, Isup) of
IsupMangled ->
if IsupMangled == Isup ->
% return the unmodified original payload
Mtp3;
true ->
io:format("ISUP Encode In: ~p~n", [IsupMangled]),
Payload_out = isup_codec:encode_isup_msg(IsupMangled),
io:format("ISUP Encode Out: ~p~n", [Payload_out]),
% return modified MTP3 payload
Mtp3#mtp3_msg{payload = Payload_out}
end
catch error:Error ->
io:format("ISUP In: ~p~n", [Payload]),
io:format("ISUP Decode: ~p~n", [Isup]),
ip:format("ISUP mangling Error: ~p~n", [Error]),
% return the unmodified original payload
Mtp3
end;
% mangle the SCCP content
mangle_rx_mtp3_serv(Fn, From, Path, ?MTP3_SERV_SCCP, Mtp3 = #mtp3_msg{payload = Payload}) ->