From 84facd702d4d5531f96283b0d94a8ef8c182f5b8 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Tue, 17 Jan 2012 10:11:31 +0100 Subject: SUA ASP callback: only deal with ASPSM / ASPTM, not with MGMT --- src/sua_asp.erl | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 src/sua_asp.erl diff --git a/src/sua_asp.erl b/src/sua_asp.erl new file mode 100644 index 0000000..79a4fd3 --- /dev/null +++ b/src/sua_asp.erl @@ -0,0 +1,76 @@ +% SCCP SUA ASP xua_asp_fsm callback according to RFC3868 4.3.1 + +% (C) 2011-2012 by Harald Welte +% +% All Rights Reserved +% +% This program is free software; you can redistribute it and/or modify +% it under the terms of the GNU Affero General Public License as +% published by the Free Software Foundation; either version 3 of the +% License, or (at your option) any later version. +% +% This program is distributed in the hope that it will be useful, +% but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +% GNU General Public License for more details. +% +% You should have received a copy of the GNU Affero General Public License +% along with this program. If not, see . + +-module(sua_asp). +-author('Harald Welte '). +-behaviour(xua_asp_fsm). + +-include("osmo_util.hrl"). +-include("m3ua.hrl"). +-include("sua.hrl"). + +-export([init/1]). + +-export([gen_xua_msg/3, asp_down/3, asp_inactive/3, asp_active/3]). + +init([]) -> + {ok, we_have_no_state}. + +gen_xua_msg(MsgClass, MsgType, Params) -> + #sua_msg{version = 1, msg_class = MsgClass, msg_type = MsgType, payload = Params}. + +asp_down(#sua_msg{version = 1, msg_class = MsgClass, msg_type = MsgType}, + LoopDat, Mld) when MsgClass == ?M3UA_MSGC_ASPSM; MsgClass == ?M3UA_MSGC_ASPTM -> + % convert from SUA to xua_msg and call into master module + xua_asp_fsm:asp_down({xua_msg, MsgClass, MsgType}, Mld); +asp_down(SuaMsg, LoopDat, Mld) when is_record(SuaMsg, sua_msg) -> + rx_sua(SuaMsg, asp_down, Mld). + +asp_inactive(#sua_msg{version = 1, msg_class = MsgClass, msg_type = MsgType}, + LoopDat, Mld) when MsgClass == ?M3UA_MSGC_ASPSM; MsgClass == ?M3UA_MSGC_ASPTM -> + % convert from SUA to xua_msg and call into master module + xua_asp_fsm:asp_inactive({xua_msg, MsgClass, MsgType}, Mld); +asp_inactive(SuaMsg, LoopDat, Mld) when is_record(SuaMsg, sua_msg) -> + rx_sua(SuaMsg, asp_inactive, Mld). + +asp_active(#sua_msg{version = 1, msg_class = MsgClass, msg_type = MsgType}, + LoopDat, Mld) when MsgClass == ?M3UA_MSGC_ASPSM; MsgClass == ?M3UA_MSGC_ASPTM -> + % convert from SUA to xua_msg and call into master module + xua_asp_fsm:asp_active({xua_msg, MsgClass, MsgType}, Mld); +asp_active(SuaMsg, LoopDat, Mld) when is_record(SuaMsg, sua_msg) -> + rx_sua(SuaMsg, asp_active, Mld). + + + +rx_sua(Msg = #sua_msg{version = 1, msg_class = ?M3UA_MSGC_ASPSM, + msg_type = ?M3UA_MSGT_ASPSM_BEAT}, State, LoopDat) -> + % Send BEAT_ACK using the same payload as the BEAT msg + xua_asp_fsm:send_sctp_to_peer(LoopDat, Msg#sua_msg{msg_type = ?M3UA_MSGT_ASPSM_BEAT_ACK}), + {next_state, State, LoopDat}; + +%rx_sua(Msg = #sua_msg{version = 1, msg_class = ?M3UA_MSGC_SSNM, + %msg_type = MsgType, payload = Params}, State, LoopDat) -> + % transform to classic MTP primitive and send up to the user + %Mtp = map_ssnm_to_mtp_prim(MsgType), + %send_prim_to_user(LoopDat, Mtp), + %{next_state, State, LoopDat}; + +rx_sua(Msg = #sua_msg{}, State, LoopDat) -> + io:format("SUA Unknown messge ~p in state ~p~n", [Msg, State]), + {next_state, State, LoopDat}. -- cgit v1.2.3