MSC_Tests.ttcn: introduce TC_gsup_mt_sms_{ack|err}
The idea of this test case is to verify MT SMS transmission
initiated by ESME over GSUP. Basically, the algorythm is
the following:
1.0 send MT-ForwardSM-Req on GSUP,
1.1 expect Paging Request on RAN,
1.2 establish a RAN connection,
1.3 expect CP-DATA/RP-DATA on BSSAP/DTAP,
2.1 send CP-DATA/RP-ACK on BSSAP/DTAP,
2.2.a expect MT-ForwardSM-Res,
2.2.b expect MT-ForwardSM-Err.
Change-Id: I63a25c8366cce0852df6b628365151661a22a25f
Related: OS#3587
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 96ddc8d..b7a02a7 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -2196,6 +2196,153 @@
f_vty_config(MSCVTY, "msc", "no sms-over-gsup");
}
+/* Helper for sending MT SMS over GSUP */
+private function f_gsup_forwardSM_req(SmsParameters spars, OCT1 mms := '00'O)
+runs on BSC_ConnHdlr {
+ GSUP.send(ts_GSUP_MT_FORWARD_SM_REQ(
+ imsi := g_pars.imsi,
+ /* NOTE: MSC should assign RP-MR itself */
+ sm_rp_mr := 'FF'O,
+ /* FIXME: extract SM-RP-DA from spars.rp.dest */
+ /* TODO: fix encoding of ts_GSUP_SM_RP_DA_IMSI */
+ sm_rp_da := valueof(ts_GSUP_SM_RP_DA_MSISDN(g_pars.msisdn)),
+ sm_rp_oa := valueof(ts_GSUP_SM_RP_OA_SMSC_ADDR(g_pars.msisdn)),
+ /* Encoded SMS TPDU (taken from Wireshark)
+ * FIXME: we should encode spars somehow */
+ sm_rp_ui := '00068021436500008111328130858200'O,
+ sm_rp_mms := mms
+ ));
+}
+
+/* Test successful MT-SMS (RP-ACK) over GSUP */
+private function f_tc_gsup_mt_sms_ack(charstring id, BSC_ConnHdlrPars pars)
+runs on BSC_ConnHdlr {
+ var SmsParameters spars := valueof(t_SmsPars);
+
+ f_init_handler(pars);
+
+ /* We need to inspect GSUP activity */
+ f_create_gsup_expect(hex2str(g_pars.imsi));
+
+ /* Perform location update */
+ f_perform_lu();
+
+ /* Register an 'expect' for given IMSI (+TMSI) */
+ if (isvalue(g_pars.tmsi)) {
+ f_bssmap_register_imsi(g_pars.imsi, g_pars.tmsi);
+ } else {
+ f_bssmap_register_imsi(g_pars.imsi, 'FFFFFFFF'O);
+ }
+
+ var template GSUP_PDU mt_forwardSM_res := tr_GSUP_MT_FORWARD_SM_RES(
+ imsi := g_pars.imsi,
+ /* NOTE: MSC should assign RP-MR itself */
+ sm_rp_mr := ?
+ );
+
+ /* Submit a MT SMS on GSUP */
+ f_gsup_forwardSM_req(spars);
+
+ /* Expect Paging Request and Establish DTAP / BSSAP / SCCP connection */
+ BSSAP.receive(tr_BSSMAP_Paging(g_pars.imsi));
+ f_establish_fully(EST_TYPE_PAG_RESP);
+
+ /* Wait for MT SMS on DTAP */
+ f_mt_sms_expect(spars);
+
+ /* Send RP-ACK and expect MT-forwardSM-Res on GSUP */
+ f_mt_sms_send_rp_ack(spars);
+ alt {
+ [] GSUP.receive(mt_forwardSM_res) {
+ log("RX MT-forwardSM-Res (RP-ACK)");
+ setverdict(pass);
+ }
+ [] GSUP.receive {
+ log("RX unexpected GSUP message");
+ setverdict(fail);
+ mtc.stop;
+ }
+ }
+
+ f_expect_clear();
+}
+testcase TC_gsup_mt_sms_ack() runs on MTC_CT {
+ var BSC_ConnHdlrPars pars;
+ var BSC_ConnHdlr vc_conn;
+ f_init();
+ pars := f_init_pars(90);
+ f_vty_config(MSCVTY, "msc", "sms-over-gsup");
+ vc_conn := f_start_handler_with_pars(refers(f_tc_gsup_mt_sms_ack), pars);
+ vc_conn.done;
+ f_vty_config(MSCVTY, "msc", "no sms-over-gsup");
+}
+
+/* Test rejected MT-SMS (RP-ERROR) over GSUP */
+private function f_tc_gsup_mt_sms_err(charstring id, BSC_ConnHdlrPars pars)
+runs on BSC_ConnHdlr {
+ var SmsParameters spars := valueof(t_SmsPars);
+ var OCT1 sm_rp_cause := '78'O; /* dummy RP-Cause value */
+
+ f_init_handler(pars);
+
+ /* We need to inspect GSUP activity */
+ f_create_gsup_expect(hex2str(g_pars.imsi));
+
+ /* Perform location update */
+ f_perform_lu();
+
+ /* Register an 'expect' for given IMSI (+TMSI) */
+ if (isvalue(g_pars.tmsi)) {
+ f_bssmap_register_imsi(g_pars.imsi, g_pars.tmsi);
+ } else {
+ f_bssmap_register_imsi(g_pars.imsi, 'FFFFFFFF'O);
+ }
+
+ var template GSUP_PDU mt_forwardSM_err := tr_GSUP_MT_FORWARD_SM_ERR(
+ imsi := g_pars.imsi,
+ /* NOTE: MSC should assign RP-MR itself */
+ sm_rp_mr := ?,
+ sm_rp_cause := sm_rp_cause
+ );
+
+ /* Submit a MT SMS on GSUP */
+ f_gsup_forwardSM_req(spars);
+
+ /* Expect Paging Request and Establish DTAP / BSSAP / SCCP connection */
+ BSSAP.receive(tr_BSSMAP_Paging(g_pars.imsi));
+ f_establish_fully(EST_TYPE_PAG_RESP);
+
+ /* Wait for MT SMS on DTAP */
+ f_mt_sms_expect(spars);
+
+ /* Send RP-ERROR and expect MT-forwardSM-Err on GSUP */
+ f_mt_sms_send_rp_error(spars, oct2int(sm_rp_cause));
+ alt {
+ [] GSUP.receive(mt_forwardSM_err) {
+ log("RX MT-forwardSM-Err (RP-ERROR)");
+ setverdict(pass);
+ mtc.stop;
+ }
+ [] GSUP.receive {
+ log("RX unexpected GSUP message");
+ setverdict(fail);
+ mtc.stop;
+ }
+ }
+
+ f_expect_clear();
+}
+testcase TC_gsup_mt_sms_err() runs on MTC_CT {
+ var BSC_ConnHdlrPars pars;
+ var BSC_ConnHdlr vc_conn;
+ f_init();
+ pars := f_init_pars(91);
+ f_vty_config(MSCVTY, "msc", "sms-over-gsup");
+ vc_conn := f_start_handler_with_pars(refers(f_tc_gsup_mt_sms_err), pars);
+ vc_conn.done;
+ f_vty_config(MSCVTY, "msc", "no sms-over-gsup");
+}
+
/* convert GSM L3 TON to SMPP_TON enum */
function f_sm_ton_from_gsm(BIT3 ton) return SMPP_TON {
select (ton) {
@@ -4057,6 +4204,8 @@
execute( TC_gsup_mo_sms() );
execute( TC_gsup_mo_smma() );
+ execute( TC_gsup_mt_sms_ack() );
+ execute( TC_gsup_mt_sms_err() );
execute( TC_lu_and_mo_ussd_single_request() );
execute( TC_lu_and_mt_ussd_notification() );