pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/erlang/osmo-epdg/+/35865?usp=email )
Change subject: epdg: Do CEAI CancelLocationReq upon rx of S2B Delete Bearer Req
......................................................................
epdg: Do CEAI CancelLocationReq upon rx of S2B Delete Bearer Req
Change-Id: Iee20619902db74da4b8cec5ba767f7c5c9bb3907
---
M src/epdg_ue_fsm.erl
M src/gsup_server.erl
2 files changed, 36 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/erlang/osmo-epdg
refs/changes/65/35865/1
diff --git a/src/epdg_ue_fsm.erl b/src/epdg_ue_fsm.erl
index 350a991..3d325a0 100644
--- a/src/epdg_ue_fsm.erl
+++ b/src/epdg_ue_fsm.erl
@@ -244,6 +244,7 @@
state_authenticated({call, From}, received_gtpc_delete_bearer_request, Data) ->
lager:info("ue_fsm state_authenticated
event=received_gtpc_delete_bearer_request, ~p~n", [Data]),
+ gsup_server:cancel_location_request(Data#ue_fsm_data.imsi),
Data1 = Data#ue_fsm_data{tear_down_gsup_needed = false},
{next_state, state_wait_swm_session_termination_answer, Data1,
[{reply,From,ok}]};
diff --git a/src/gsup_server.erl b/src/gsup_server.erl
index 4d50fba..8659c95 100644
--- a/src/gsup_server.erl
+++ b/src/gsup_server.erl
@@ -62,7 +62,7 @@
-export([init/1, handle_call/3, handle_cast/2, handle_info/2]).
-export([code_change/3, terminate/2]).
--export([auth_response/2, lu_response/2, tunnel_response/2,
purge_ms_response/2]).
+-export([auth_response/2, lu_response/2, tunnel_response/2,
purge_ms_response/2, cancel_location_request/1]).
% TODO: -spec dia_sip2gsup('SIP-Auth-Data-Item'()) -> #'GSUPAuthTuple'{}.
dia_sip2gsup(#'SIP-Auth-Data-Item'{'SIP-Authenticate' = [Authenticate],
'SIP-Authorization' = [Authorization],
@@ -201,6 +201,16 @@
State1 = delete_gsups_ue(Imsi, State0),
{noreply, State1};
+% Our GSUP CEAI implementation for "IKEv2 Information Delete Request"
+handle_cast({cancel_location_request, Imsi}, State) ->
+ lager:info("cancel_location_request for ~p~n", [Imsi]),
+ Socket = State#gsups_state.socket,
+ Resp = #{message_type => location_cancellation_req,
+ imsi => Imsi
+ },
+ tx_gsup(Socket, Resp),
+ {noreply, State};
+
handle_cast(Info, S) ->
error_logger:error_report(["unknown handle_cast", {module, ?MODULE},
{info, Info}, {state, S}]),
{noreply, S}.
@@ -313,6 +323,16 @@
end,
{noreply, State};
+% Our GSUP CEAI implementation for "IKEv2 Information Delete Response".
+handle_info({ipa, Socket, ?IPAC_PROTO_EXT_GSUP, GsupMsgRx = #{message_type :=
location_cancellation_res, imsi := Imsi}}, State0) ->
+ lager:info("GSUP: Rx ~p~n", [GsupMsgRx]),
+ UE = find_gsups_ue_by_imsi(Imsi, State0),
+ case UE of
+ #gsups_ue{imsi = Imsi} -> State1 = delete_gsups_ue(Imsi, State0);
+ undefined -> State1 = State0
+ end,
+ {noreply, State1};
+
handle_info(Info, S) ->
error_logger:error_report(["unknown handle_info", {module, ?MODULE},
{info, Info}, {state, S}]),
{noreply, S}.
@@ -339,6 +359,11 @@
lager:info("purge_ms_response(~p): ~p~n", [Imsi, Result]),
gen_server:cast(?SERVER, {purge_ms_response, {Imsi, Result}}).
+% Our GSUP CEAI implementation for "IKEv2 Information Delete Request"
+cancel_location_request(Imsi) ->
+ lager:info("cancel_location_request(~p): ~p~n", [Imsi]),
+ gen_server:cast(?SERVER, {cancel_location_request, Imsi}).
+
%% ------------------------------------------------------------------
%% Internal Function Definitions
%% ------------------------------------------------------------------
--
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Gerrit-Project: erlang/osmo-epdg
Gerrit-Branch: master
Gerrit-Change-Id: Iee20619902db74da4b8cec5ba767f7c5c9bb3907
Gerrit-Change-Number: 35865
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
Gerrit-MessageType: newchange
