dia2gsup: Introduce initial testsuite
This testsuite contains 1 working test so far.
Related: OS#5757
Change-Id: Ia3db9fd62249777cd7c63f6c4af1568c79468728
diff --git a/dia2gsup/DIA2GSUP_Tests.ttcn b/dia2gsup/DIA2GSUP_Tests.ttcn
new file mode 100644
index 0000000..d709512
--- /dev/null
+++ b/dia2gsup/DIA2GSUP_Tests.ttcn
@@ -0,0 +1,217 @@
+module DIA2GSUP_Tests {
+
+import from General_Types all;
+import from Osmocom_Types all;
+import from L3_Common all;
+
+import from IPA_Emulation all;
+import from GSUP_Emulation all;
+import from GSUP_Types all;
+
+import from DIAMETER_Types all;
+import from DIAMETER_Templates all;
+import from DIAMETER_Emulation all;
+
+type component MTC_CT {
+ var DIAMETER_Emulation_CT vc_DIAMETER;
+ port DIAMETER_PT DIAMETER_UNIT;
+ port DIAMETEREM_PROC_PT DIAMETER_PROC;
+
+ var GSUP_Emulation_CT vc_GSUP;
+ var IPA_Emulation_CT vc_GSUP_IPA;
+ port IPA_CTRL_PT GSUP_IPA_EVENT;
+
+};
+
+type component D2G_ConnHdlr extends DIAMETER_ConnHdlr, GSUP_ConnHdlr {
+ var D2G_ConnHdlrPars g_pars;
+ timer g_Tguard := 30.0;
+};
+
+type record D2G_ConnHdlrPars {
+ hexstring imsi,
+ AuthVector vec optional
+};
+
+private function f_init_pars(integer imsi_suffix)
+runs on MTC_CT return D2G_ConnHdlrPars {
+ var D2G_ConnHdlrPars pars := {
+ imsi := f_gen_imsi(imsi_suffix),
+ vec := f_gen_auth_vec_3g()
+ };
+ return pars;
+}
+
+
+modulepar {
+ /* our emulated GSUP HLR */
+ charstring mp_hlr_ip := "127.0.0.1";
+ integer mp_hlr_port := 4222;
+
+ /* our emulated MME */
+ charstring mp_s6_local_ip := "127.0.0.100";
+ integer mp_s6_local_port := 3868;
+
+ /* IUT behaving as HSS */
+ charstring mp_hss_ip := "127.0.0.4";
+ integer mp_hss_port := 3868;
+
+ charstring mp_diam_realm := "localdomain";
+}
+
+private altstep as_Tguard() runs on D2G_ConnHdlr {
+ [] g_Tguard.timeout {
+ setverdict(fail, "Tguard timeout");
+ mtc.stop;
+ }
+}
+
+private function f_init_gsup(charstring id) runs on MTC_CT {
+ id := id & "-GSUP";
+ var GsupOps ops := {
+ create_cb := refers(GSUP_Emulation.ExpectedCreateCallback)
+ };
+
+ vc_GSUP_IPA := IPA_Emulation_CT.create(id & "-IPA");
+ vc_GSUP := GSUP_Emulation_CT.create(id);
+
+ map(vc_GSUP_IPA:IPA_PORT, system:IPA_CODEC_PT);
+ connect(vc_GSUP:GSUP, vc_GSUP_IPA:IPA_GSUP_PORT);
+ /* we use this hack to get events like ASP_IPA_EVENT_UP */
+ connect(vc_GSUP_IPA:IPA_CTRL_PORT, self:GSUP_IPA_EVENT);
+
+ vc_GSUP.start(GSUP_Emulation.main(ops, id));
+ vc_GSUP_IPA.start(IPA_Emulation.main_server(mp_hlr_ip, mp_hlr_port));
+
+ /* wait for incoming connection to GSUP port before proceeding */
+ timer T := 10.0;
+ T.start;
+ alt {
+ [] GSUP_IPA_EVENT.receive(tr_ASP_IPA_EV(ASP_IPA_EVENT_UP)) { }
+ [] T.timeout {
+ setverdict(fail, "No connection to GSUP Port");
+ mtc.stop;
+ }
+ }
+}
+
+private function f_init_handler(D2G_ConnHdlrPars pars, float t_guard := 20.0) runs on D2G_ConnHdlr {
+ g_pars := pars;
+ activate(as_Tguard());
+ g_Tguard.start(t_guard);
+
+ /* tell GSUP dispatcher to send this IMSI to us */
+ f_create_gsup_expect(hex2str(g_pars.imsi));
+}
+
+private type function void_fn(charstring id, D2G_ConnHdlrPars pars) runs on D2G_ConnHdlr;
+
+private function f_start_handler_with_pars(void_fn fn, D2G_ConnHdlrPars pars)
+runs on MTC_CT return D2G_ConnHdlr {
+ var D2G_ConnHdlr vc_conn;
+ var charstring id := testcasename();
+
+ vc_conn := D2G_ConnHdlr.create(id);
+
+ connect(vc_conn:GSUP, vc_GSUP:GSUP_CLIENT);
+ connect(vc_conn:GSUP_PROC, vc_GSUP:GSUP_PROC);
+
+ connect(vc_conn:DIAMETER, vc_DIAMETER:DIAMETER_CLIENT);
+ connect(vc_conn:DIAMETER_PROC, vc_DIAMETER:DIAMETER_PROC);
+
+ DIAMETER_UNIT.receive(DiameterCapabilityExchgInd:?);
+
+ vc_conn.start(derefers(fn)(id, pars));
+ return vc_conn;
+}
+
+private function DiameterForwardUnitdataCallback(PDU_DIAMETER msg)
+runs on DIAMETER_Emulation_CT return template PDU_DIAMETER {
+ DIAMETER_UNIT.send(msg);
+ return omit;
+}
+
+private function f_init_diameter(charstring id) runs on MTC_CT {
+ var DIAMETEROps ops := {
+ create_cb := refers(DIAMETER_Emulation.ExpectedCreateCallback),
+ unitdata_cb := refers(DiameterForwardUnitdataCallback),
+ raw := false /* handler mode (IMSI based routing) */
+ };
+ var DIAMETER_conn_parameters pars := {
+ remote_ip := mp_hss_ip,
+ remote_sctp_port := mp_hss_port,
+ local_ip := mp_s6_local_ip,
+ local_sctp_port := mp_s6_local_port,
+ origin_host := "hss." & mp_diam_realm,
+ origin_realm := mp_diam_realm,
+ auth_app_id := omit,
+ vendor_app_id := c_DIAMETER_3GPP_S6_AID
+ };
+ 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));
+}
+
+private function f_init() runs on MTC_CT {
+ f_init_gsup(testcasename());
+ f_init_diameter(testcasename());
+}
+
+
+private function f_DIA_AI() runs on D2G_ConnHdlr {
+ var PDU_DIAMETER rx_dia;
+ var UINT32 hbh_id := f_rnd_octstring(4);
+ var UINT32 ete_id := f_rnd_octstring(4);
+ var octetstring sess_id := char2oct("foobar");
+ var OCT3 vplmn := '00F110'O;
+
+ /* Unlike AIR, AIA contains no IMSI. Register ete_id in DIAMETER_Emulation,
+ * so AIA is forwarded back to us in DIAMETER port instead of MTC_CT.DIAMETER_UNIT.
+ */
+ f_diameter_expect_eteid(ete_id);
+
+ /* Send AIR to translator; expect it to show up on GSUP side */
+ DIAMETER.send(ts_DIA_AIR(g_pars.imsi, vplmn, sess_id, hbh_id := hbh_id, ete_id := ete_id));
+ GSUP.receive(tr_GSUP_SAI_REQ(g_pars.imsi));
+
+ /* Send a positive response back to the translator; expect AIA */
+ var GSUP_IE auth_tuple := valueof(ts_GSUP_IE_AuthTuple2G3G(g_pars.vec.rand,
+ g_pars.vec.sres,
+ g_pars.vec.kc,
+ g_pars.vec.ik,
+ g_pars.vec.ck,
+ g_pars.vec.autn,
+ g_pars.vec.res));
+ GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple));
+
+ alt {
+ /* Unlike AIR, AIA contains no IMSI, hence it is received in DIAMETER_UNIT: */
+ [] DIAMETER.receive(tr_DIA_AIA) {
+ setverdict(pass);
+ }
+ }
+}
+
+private function f_TC_authinfo_normal(charstring id, D2G_ConnHdlrPars pars) runs on D2G_ConnHdlr {
+ f_init_handler(pars);
+ f_DIA_AI();
+}
+
+testcase TC_authinfo_normal() runs on MTC_CT {
+ var D2G_ConnHdlrPars pars := f_init_pars(1);
+ var D2G_ConnHdlr vc_conn;
+ f_init();
+ f_sleep(10.0);
+ vc_conn := f_start_handler_with_pars(refers(f_TC_authinfo_normal), pars);
+ vc_conn.done;
+ setverdict(pass);
+}
+
+
+control {
+ execute ( TC_authinfo_normal() );
+}
+
+}