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osmo-ttcn3-hacks
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mme: Integrate DIAMETER support into MME testsuite 

The test suite can now send/receive DIAMETER messages via related test
ports.

Change-Id: I1691f87e19cced79ab0f9c3bb87608fc63e21eab
This commit is contained in:
Harald Welte 2019-08-14 12:37:07 +02:00 committed by laforge
parent d27ab24dcb
commit 6ec643950e
3 changed files with 115 additions and 4 deletions
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116
mme/MME_Tests.ttcn
View File

@ -21,6 +21,10 @@ import from S1AP_IEs all;
import from NAS_EPS_Types all;
import from NAS_Templates all;
import from DIAMETER_Types all;
import from DIAMETER_Templates all;
import from DIAMETER_Emulation all;
import from SGsAP_Types all;
import from SGsAP_Templates all;
import from SGsAP_Emulation all;
@ -58,6 +62,11 @@ type component MTC_CT {
port S1AP_PT S1AP_UNIT[NUM_ENB];
port S1APEM_PROC_PT S1AP_PROC[NUM_ENB];
/* S6a/S6d interface of emulated HSS */
var DIAMETER_Emulation_CT vc_DIAMETER;
port DIAMETER_PT DIAMETER_UNIT;
port DIAMETEREM_PROC_PT DIAMETER_PROC;
/* SGs interface of emulated MSC/VLR */
var SGsAP_Emulation_CT vc_SGsAP;
port SGsAP_PT SGsAP_UNIT;
@ -66,7 +75,7 @@ type component MTC_CT {
var UeParams g_ue_pars[NUM_UE];
}
type component ConnHdlr extends S1AP_ConnHdlr, SGsAP_ConnHdlr {
type component ConnHdlr extends S1AP_ConnHdlr, SGsAP_ConnHdlr, DIAMETER_ConnHdlr {
var ConnHdlrPars g_pars;
timer g_Tguard := 30.0;
}
@ -87,6 +96,10 @@ modulepar {
charstring mp_s1_local_ip := "127.0.0.1";
integer mp_s1_local_port := 50000;
/* S6 interface */
charstring mp_s6_local_ip := "127.0.0.4";
integer mp_s6_local_port := 3868;
/* SGs interface */
charstring mp_sgs_local_ip := "127.0.0.1";
integer mp_sgs_local_port := 29118;
@ -191,6 +204,30 @@ friend function f_init_s1ap(charstring id, integer imsi_suffix) runs on MTC_CT {
}
}
friend function DiameterForwardUnitdataCallback(PDU_DIAMETER msg)
runs on DIAMETER_Emulation_CT return template PDU_DIAMETER {
DIAMETER_UNIT.send(msg);
return omit;
}
friend function f_init_diameter(charstring id) runs on MTC_CT {
var DIAMETEROps ops := {
create_cb := refers(DIAMETER_Emulation.ExpectedCreateCallback),
unitdata_cb := refers(DiameterForwardUnitdataCallback)
};
var DIAMETER_conn_parameters pars := {
remote_ip := mp_mme_ip,
remote_sctp_port := -1,
local_ip := mp_s6_local_ip,
local_sctp_port := mp_s6_local_port
};
vc_DIAMETER := DIAMETER_Emulation_CT.create(id);
map(vc_DIAMETER:DIAMETER, system:DIAMETER_CODEC_PT);
connect(vc_DIAMETER:DIAMETER_UNIT, self:DIAMETER_UNIT);
connect(vc_DIAMETER:DIAMETER_PROC, self:DIAMETER_PROC);
vc_DIAMETER.start(DIAMETER_Emulation.main(ops, pars, id));
}
friend template (value) TAI ts_enb_S1AP_TAI(EnbParams enb) := {
pLMNidentity := enb.global_enb_id.pLMNidentity,
tAC := enb.supported_tas[0].tAC,
@ -232,6 +269,10 @@ runs on MTC_CT return ConnHdlr {
connect(vc_conn:SGsAP, vc_SGsAP:SGsAP_CLIENT);
connect(vc_conn:SGsAP_PROC, vc_SGsAP:SGsAP_PROC);
}
if (isbound(vc_DIAMETER)) {
connect(vc_conn:DIAMETER, vc_DIAMETER:DIAMETER_CLIENT);
connect(vc_conn:DIAMETER_PROC, vc_DIAMETER:DIAMETER_PROC);
}
/* We cannot use vc_conn.start(f_init_handler(fn, id, pars)); as we cannot have
* a stand-alone 'derefers()' call, see https://www.eclipse.org/forums/index.php/t/1091364/ */
@ -253,6 +294,9 @@ friend function f_init_handler(ConnHdlrPars pars, float t_guard := 30.0) runs on
/* start guard timre and activate it as default */
g_Tguard.start(t_guard);
activate(as_Tguard());
if (DIAMETER_PROC.checkstate("Connected")) {
f_diameter_expect(g_pars.ue_pars.imsi);
}
if (SGsAP_PROC.checkstate("Connected")) {
/* Route all SGsAP mesages for our IMSIto us */
f_create_sgsap_expect(pars.ue_pars.imsi);
@ -414,9 +458,64 @@ private altstep as_s1ap_handle_sec_mode() runs on ConnHdlr {
}
}
/* Exepect AuthInfoReq (AIR) from HSS; respond with AuthInforAnswer (AIA) */
private altstep as_DIA_AuthInfo() runs on ConnHdlr {
var PDU_DIAMETER rx_dia;
[] DIAMETER.receive(tr_DIA_AIR(g_pars.ue_pars.imsi)) -> value rx_dia {
var template (omit) AVP avp;
var octetstring sess_id;
var octetstring vplmn_id;
var hexstring imsi;
var template (value) AVP_list auth_info_content;
/* retrieve input data */
imsi := valueof(f_DIAMETER_get_imsi(rx_dia));
avp := f_DIAMETER_get_avp(rx_dia, c_AVP_Code_BASE_NONE_Session_Id);
sess_id := valueof(avp.avp_data.avp_BASE_NONE_Session_Id);
avp := f_DIAMETER_get_avp(rx_dia, c_AVP_Code_AAA_3GPP_Visited_PLMN_Id);
vplmn_id := valueof(avp.avp_data.avp_AAA_3GPP_Visited_PLMN_Id);
/* compute tuple */
auth_info_content := { ts_AVP_EutranVec(1, '20080c3818183b522614162c07601d0d'O, '6a91970e838fd079'O, 'f11b89a2a8be00001f9c526f3d75d44c'O, '95AFAD9A0D29AFAA079A9451DF7161D7EE4CBF2AF9387F766D058BB6B44B905D'O) };
DIAMETER.send(ts_DIA_AIA(rx_dia.hop_by_hop_id, rx_dia.end_to_end_id,
sess_id, auth_info_content));
}
}
/* Expect UpdateLocationReq (ULR); respond with UpdateLocationAnswer (ULA) */
private altstep as_DIA_UpdLoc() runs on ConnHdlr {
var PDU_DIAMETER rx_dia;
[] DIAMETER.receive(tr_DIA_ULR(g_pars.ue_pars.imsi)) -> value rx_dia {
var template (omit) AVP avp;
var octetstring sess_id;
var hexstring imsi;
var template (value) AVP_list sub_data;
/* retrieve input data */
imsi := valueof(f_DIAMETER_get_imsi(rx_dia));
avp := f_DIAMETER_get_avp(rx_dia, c_AVP_Code_BASE_NONE_Session_Id);
sess_id := valueof(avp.avp_data.avp_BASE_NONE_Session_Id);
sub_data := {
ts_AVP_3GPP_SubscriberStatus(SERVICE_GRANTED),
ts_AVP_3GPP_SubscrRauTauTmr(30),
ts_AVP_3GPP_AMBR(1000, 2000),
ts_AVP_3GPP_ApnConfigProfile({
ts_AVP_3GPP_ContextId(1),
ts_AVP_3GPP_AllApnConfigsIncl,
ts_AVP_3GPP_ApnConfig(1, IPv4, "*")
})
};
DIAMETER.send(ts_DIA_ULA(rx_dia.hop_by_hop_id, rx_dia.end_to_end_id, sess_id, sub_data));
}
}
private function f_TC_attach(ConnHdlrPars pars) runs on ConnHdlr {
f_init_handler(pars);
var template (value) EPS_MobileIdentityV mi := ts_NAS_MobileId_IMSI('001010000000001'H);
var template (value) EPS_MobileIdentityV mi := ts_NAS_MobileId_IMSI(pars.ue_pars.imsi);
var template (value) PDU_NAS_EPS nas_esm, nas_emm;
/*
nas_esm := ts_NAS_ActDefEpsBearCtxReq(bearer_id := '0000'B, proc_tid := int2bit(1,8),
@ -435,14 +534,24 @@ private function f_TC_attach(ConnHdlrPars pars) runs on ConnHdlr {
p_rrcCause := mo_Signalling);
S1AP.send(tx);
as_DIA_AuthInfo();
as_s1ap_handle_auth();
as_s1ap_handle_sec_mode();
alt {
[] as_DIA_UpdLoc() {
as_s1ap_handle_sec_mode();
}
[] as_s1ap_handle_sec_mode() {
as_DIA_UpdLoc();
}
}
f_sleep(10.0);
}
testcase TC_s1ap_attach() runs on MTC_CT {
var charstring id := testcasename();
f_init_diameter(id);
f_sleep(10.0);
f_init_s1ap(id, 4);
f_s1ap_setup(0);
@ -456,6 +565,7 @@ control {
execute( TC_s1ap_setup_wrong_plmn() );
execute( TC_s1ap_setup_wrong_tac() );
execute( TC_s1ap_setup() );
execute( TC_s1ap_attach() );
}

1
mme/gen_links.sh
View File

@ -55,6 +55,7 @@ FILES+="SGsAP_Templates.ttcn SGsAP_CodecPort.ttcn SGsAP_CodecPort_CtrlFunct.ttcn
FILES+="L3_Templates.ttcn "
FILES+="S1AP_CodecPort.ttcn S1AP_CodecPort_CtrlFunctDef.cc S1AP_CodecPort_CtrlFunct.ttcn S1AP_Emulation.ttcn "
FILES+="NAS_Templates.ttcn GTPv2_PrivateExtensions.ttcn GTPv2_Templates.ttcn "
FILES+="DIAMETER_Types.ttcn DIAMETER_CodecPort.ttcn DIAMETER_CodecPort_CtrlFunct.ttcn DIAMETER_CodecPort_CtrlFunctDef.cc DIAMETER_Emulation.ttcn DIAMETER_Templates.ttcn "
gen_links $DIR $FILES
ignore_pp_results

2
mme/regen_makefile.sh
View File

@ -1,6 +1,6 @@
#!/bin/sh
FILES="*.ttcn *.asn *.c IPL4asp_PT.cc IPL4asp_discovery.cc Native_FunctionDefs.cc SGsAP_CodecPort_CtrlFunctDef.cc S1AP_CodecPort_CtrlFunctDef.cc TCCConversion.cc TCCEncoding.cc TCCInterface.cc TELNETasp_PT.cc S1AP_EncDec.cc LTE_CryptoFunctionDefs.cc GTPU_EncDec.cc GTPC_EncDec.cc "
FILES="*.ttcn *.asn *.c IPL4asp_PT.cc IPL4asp_discovery.cc Native_FunctionDefs.cc SGsAP_CodecPort_CtrlFunctDef.cc S1AP_CodecPort_CtrlFunctDef.cc TCCConversion.cc TCCEncoding.cc TCCInterface.cc TELNETasp_PT.cc S1AP_EncDec.cc LTE_CryptoFunctionDefs.cc GTPU_EncDec.cc GTPC_EncDec.cc DIAMETER_EncDec.cc DIAMETER_CodecPort_CtrlFunctDef.cc "
export CPPFLAGS_TTCN3=""