fixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/erlang/osmo-s1gw/+/38239?usp=email )

Change subject: s1ap_proxy: print unique E-RAB ID in error messages ......................................................................

s1ap_proxy: print unique E-RAB ID in error messages

Include the {MME,ENB}-UE-S1AP-ID when printing error messages. Printing E-RAB-ID may be misleading.

Change-Id: I7327e25ea407b3a21706e8b5e4487135675d91d5 --- M src/s1ap_proxy.erl 1 file changed, 14 insertions(+), 11 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/erlang/osmo-s1gw refs/changes/39/38239/1

diff --git a/src/s1ap_proxy.erl b/src/s1ap_proxy.erl index 1df1518..46a7c79 100644 --- a/src/s1ap_proxy.erl +++ b/src/s1ap_proxy.erl @@ -53,6 +53,7 @@ -type mme_ue_id() :: 0..16#ffffffff. -type enb_ue_id() :: 0..16#ffffff. -type erab_id() :: 0..16#ff. +-type erab_uid() :: {mme_ue_id(), enb_ue_id(), erab_id()}.

-record(proxy_state, {erabs :: dict:dict(), mme_ue_id :: undefined | mme_ue_id(), @@ -101,6 +102,12 @@ %% private API %% ------------------------------------------------------------------

+-spec erab_uid(erab_id(), proxy_state()) -> erab_uid(). +erab_uid(ERABId, #proxy_state{mme_ue_id = MmeUeId, + enb_ue_id = EnbUeId}) -> + {MmeUeId, EnbUeId, ERABId}. + + %% Encode an S1AP PDU -spec encode_pdu(tuple()) -> {ok, binary()} | {error, {asn1, tuple()}}. @@ -273,7 +280,7 @@ {ok, Pid} -> ok = erab_fsm:erab_release_req(Pid); error -> - ?LOG_ERROR("E-RAB-ID ~p is not registered", [ERABId]) + ?LOG_ERROR("E-RAB ~p is not registered", [erab_uid(ERABId, S)]) end, {Content, S};

@@ -291,7 +298,7 @@ {ok, Pid} -> ok = erab_fsm:erab_release_rsp(Pid); error -> - ?LOG_ERROR("E-RAB-ID ~p is not registered", [ERABId]) + ?LOG_ERROR("E-RAB ~p is not registered", [erab_uid(ERABId, S)]) end, {Content, S};

@@ -352,7 +359,7 @@ C0#'E-RABSetupItemCtxtSURes'{'transportLayerAddress' = TLA_Out, 'gTP-TEID' = << TEID_Out:32/big >>}; error -> - ?LOG_ERROR("E-RAB-ID ~p is not registered", [ERABId]), + ?LOG_ERROR("E-RAB ~p is not registered", [erab_uid(ERABId, S)]), C0 %% XXX: proxy as-is or drop? end, {C1, S}; @@ -391,19 +398,15 @@

-spec erab_fsm_start_reg(erab_id(), proxy_state()) -> {pid(), proxy_state()}. -erab_fsm_start_reg(RABId, #proxy_state{erabs = ERABs, - mme_ue_id = MmeUeId, - enb_ue_id = EnbUeId} = S) -> - UID = {MmeUeId, EnbUeId, RABId}, +erab_fsm_start_reg(RABId, #proxy_state{erabs = ERABs} = S) -> + UID = erab_uid(RABId, S), {ok, Pid} = erab_fsm:start_link(UID), {Pid, S#proxy_state{erabs = dict:store(UID, Pid, ERABs)}}.

-spec erab_fsm_find(erab_id(), proxy_state()) -> {ok, pid()} | error. -erab_fsm_find(RABId, #proxy_state{erabs = ERABs, - mme_ue_id = MmeUeId, - enb_ue_id = EnbUeId}) -> - UID = {MmeUeId, EnbUeId, RABId}, +erab_fsm_find(RABId, #proxy_state{erabs = ERABs} = S) -> + UID = erab_uid(RABId, S), dict:find(UID, ERABs).

%% vim:set ts=4 sw=4 et: