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authorHarald Welte <laforge@gnumonks.org>2012-04-01 20:13:23 +0200
committerHarald Welte <laforge@gnumonks.org>2012-05-05 23:58:21 +0200
commit231ae0b993f48b670a5c38e78e4ed158b720072b (patch)
tree24df612876ab28801288898aa9ed81f21b11e4e9 /src
parentf8bf03231c8d708a1fd43dc030df7ce6ea4eabd9 (diff)
M2UA Codec: Use generic xUA codec instead
Diffstat (limited to 'src')
-rw-r--r--src/m2ua_codec.erl72
-rw-r--r--src/m3ua_core.erl1
2 files changed, 5 insertions, 68 deletions
diff --git a/src/m2ua_codec.erl b/src/m2ua_codec.erl
index 32bec00..437b3e8 100644
--- a/src/m2ua_codec.erl
+++ b/src/m2ua_codec.erl
@@ -19,79 +19,15 @@
-module(m2ua_codec).
-author('Harald Welte <laforge@gnumonks.org>').
+-include("xua.hrl").
-include("m2ua.hrl").
-export([parse_m2ua_msg/1, encode_m2ua_msg/1]).
--compile({parse_transform, exprecs}).
--export_records([m2ua_msg]).
-
-% compute the number of pad bits required after a binary parameter
-get_num_pad_bytes(BinLenBytes) ->
- case BinLenBytes rem 4 of
- 0 -> 0;
- Val -> 4 - Val
- end.
-
-% parse a binary chunk of options into an options proplist
-parse_m2ua_opts(<<>>, OptList) when is_list(OptList) ->
- OptList;
-parse_m2ua_opts(OptBin, OptList) when is_list(OptList) ->
- <<Tag:16/big, LengthIncHdr:16/big, Remain/binary>> = OptBin,
- Length = LengthIncHdr - 4,
- PadLength = get_num_pad_bytes(Length),
- %io:format("Tag ~w, LenInHdr ~w, Len ~w, PadLen ~w, Remain ~w(~p)~n",
- % [Tag, LengthIncHdr, Length, PadLength, byte_size(Remain), Remain]),
- <<Value:Length/binary, PadNextOpts/binary>> = Remain,
- % this is ridiculous, we cannot use "<<Value:Length/binary,
- % 0:PadLength, Remain/binary>>" as the last part would not match an
- % empty binary <<>> anymore. Without the "0:PadLengh" this works
- % perfectly fine. Now we need some complicated construct and check if
- % the resulting list would be empty :((
- if
- byte_size(PadNextOpts) > PadLength ->
- <<0:PadLength/integer-unit:8, NextOpts/binary>> = PadNextOpts;
- true ->
- NextOpts = <<>>
- end,
- NewOpt = {Tag, {Length, Value}},
- parse_m2ua_opts(NextOpts, OptList ++ [NewOpt]).
-
-% parse a single M2UA message
-parse_m2ua_msgt(_, _, _, Remain) ->
- parse_m2ua_opts(Remain, []).
-
% parse a M2UA message binary into a record
parse_m2ua_msg(DataBin) when is_binary(DataBin) ->
- <<1:8, 0:8, MsgClass:8, MsgType:8, MsgLen:32/big, Remain/binary>> = DataBin,
- Parsed = parse_m2ua_msgt(MsgClass, MsgType, MsgLen, Remain),
- {ok, #m2ua_msg{msg_class = MsgClass, msg_type = MsgType, parameters = Parsed}}.
-
-
-
-% encode a single option
-encode_m2ua_opt({OptNum, {DataBinLen, DataBin}}) when is_integer(OptNum) ->
- LengthIncHdr = DataBinLen + 4,
- PadLength = get_num_pad_bytes(DataBinLen),
- case PadLength of
- 0 -> <<OptNum:16/big, LengthIncHdr:16/big, DataBin/binary>>;
- _ -> <<OptNum:16/big, LengthIncHdr:16/big, DataBin/binary, 0:PadLength/integer-unit:8>>
- end.
-
-% encode a list of options
-encode_m2ua_opts([], OptEnc) ->
- OptEnc;
-encode_m2ua_opts([CurOpt|OptPropList], OptEnc) ->
- CurOptEnc = encode_m2ua_opt(CurOpt),
- encode_m2ua_opts(OptPropList, <<OptEnc/binary, CurOptEnc/binary>>).
-
-
-% encode a particular message type
-encode_m2ua_msgt(MsgClass, MsgType, Params) ->
- OptBin = encode_m2ua_opts(Params, <<>>),
- MsgLenIncHdr = 8 + byte_size(OptBin),
- <<1:8, 0:8, MsgClass:8, MsgType:8, MsgLenIncHdr:32/big, OptBin/binary>>.
+ xua_codec:parse_msg(DataBin).
% encode a message from record to binary
-encode_m2ua_msg(#m2ua_msg{msg_class = MsgClass, msg_type = MsgType, parameters = Params}) ->
- encode_m2ua_msgt(MsgClass, MsgType, Params).
+encode_m2ua_msg(Msg) when is_record(Msg, xua_msg) ->
+ xua_codec:encode_msg(Msg).
diff --git a/src/m3ua_core.erl b/src/m3ua_core.erl
index 3167c81..ef443ae 100644
--- a/src/m3ua_core.erl
+++ b/src/m3ua_core.erl
@@ -67,6 +67,7 @@ start_link(InitOpts) ->
gen_fsm:start_link(?MODULE, InitOpts, [{debug, [trace]}]).
reconnect_sctp(L = #m3ua_state{sctp_remote_ip = Ip, sctp_remote_port = Port, sctp_sock = Sock}) ->
+ timer:sleep(1*1000),
io:format("SCTP Reconnect ~p:~p~n", [Ip, Port]),
InitMsg = #sctp_initmsg{num_ostreams = 2, max_instreams = 2},
case gen_sctp:connect(Sock, Ip, Port, [{active, once}, {reuseaddr, true},