fixeria has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/36772?usp=email )


Change subject: msc: add TC_gsup_mt_sms_lu_x5 for X5 (LU delay) timer
......................................................................

msc: add TC_gsup_mt_sms_lu_x5 for X5 (LU delay) timer

Change-Id: I74fa174ea649adb2112c8e471c0e339a2197a08d
Related: osmo-msc.git Ic519cab55d65e47b2636124427dab1a1d80fab78
Related: SYS#6913
---
M msc/BSC_ConnectionHandler.ttcn
M msc/MSC_Tests.ttcn
M msc/expected-results.xml
3 files changed, 78 insertions(+), 3 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks 
refs/changes/72/36772/1

diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn
index 658923e..056a3c0 100644
--- a/msc/BSC_ConnectionHandler.ttcn
+++ b/msc/BSC_ConnectionHandler.ttcn
@@ -833,7 +833,8 @@
        }
 }

-function f_perform_lu(template (omit) MobileIdentityLV use_mi := omit)
+function f_perform_lu(template (omit) MobileIdentityLV use_mi := omit,
+                     boolean expect_clear := true)
 runs on BSC_ConnHdlr {
        var MobileIdentityLV mi;
        if (istemplatekind(use_mi, "omit")) {
@@ -866,8 +867,11 @@
        f_msc_lu_hlr();
        f_mm_imei();
        as_accept_reject_lu(g_pars.net.expect_attach_success);
-       /* FIXME: there could be pending SMS or other common procedures by the 
MSC, let's ignore them */
-       f_expect_clear(verify_vlr_cell_id := g_pars.net.expect_attach_success);
+
+       /* there could be pending SMS or other common procedures by the MSC */
+       if (expect_clear) {
+               f_expect_clear(verify_vlr_cell_id := 
g_pars.net.expect_attach_success);
+       }

        setverdict(pass);
 }
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 09004e8..1f9bfc4 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -3279,6 +3279,64 @@
        f_vty_config(MSCVTY, "msc", "sms-over-gsup");
        vc_conn := 
f_start_handler_with_pars(refers(f_tc_gsup_mt_multi_part_sms), pars);
        vc_conn.done;
+       Tf_vty_config(MSCVTY, "msc", "no sms-over-gsup");
+}
+
+/* Test X5 (LU delay) timer allowing to deliver MT SMS over the same 
connection */
+friend function f_TC_gsup_mt_sms_lu_x5(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(expect_clear := false);
+
+       /* Register an 'expect' for given IMSI (+TMSI) */
+       f_ran_register_imsi(g_pars.imsi, g_pars.tmsi);
+
+       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 := ?
+       );
+
+       f_sleep(0.5);
+
+       /* Submit a MT SMS on GSUP */
+       f_gsup_forwardSM_req(spars);
+
+       /* 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 {
+               setverdict(fail, "Rx unexpected GSUP message");
+               mtc.stop;
+               }
+       }
+
+       f_expect_clear();
+}
+testcase TC_gsup_mt_sms_lu_x5() runs on MTC_CT {
+       var BSC_ConnHdlrPars pars;
+       var BSC_ConnHdlr vc_conn;
+       f_init();
+       pars := f_init_pars(92);
+       f_vty_config(MSCVTY, "msc", "sms-over-gsup");
+       f_vty_config(MSCVTY, "msc", "timer geran x5 2");
+       vc_conn := f_start_handler_with_pars(refers(f_TC_gsup_mt_sms_lu_x5), 
pars);
+       vc_conn.done;
+       f_vty_config(MSCVTY, "msc", "timer geran x5 0");
        f_vty_config(MSCVTY, "msc", "no sms-over-gsup");
 }

@@ -7434,6 +7492,7 @@
        execute( TC_gsup_mt_sms_rp_mr() );
        execute( TC_gsup_mo_mt_sms_rp_mr() );
        execute( TC_gsup_mt_multi_part_sms() );
+       execute( TC_gsup_mt_sms_lu_x5() );

        execute( TC_lu_and_mo_ussd_single_request() );
        execute( TC_lu_and_mt_ussd_notification() );
diff --git a/msc/expected-results.xml b/msc/expected-results.xml
index aad96a7..d5a9462 100644
--- a/msc/expected-results.xml
+++ b/msc/expected-results.xml
@@ -80,6 +80,7 @@
   <testcase classname='MSC_Tests' name='TC_gsup_mt_sms_rp_mr' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_gsup_mo_mt_sms_rp_mr' 
time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_gsup_mt_multi_part_sms' 
time='MASKED'/>
+  <testcase classname='MSC_Tests' name='TC_gsup_mt_sms_lu_x5' time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_lu_and_mo_ussd_single_request' 
time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_lu_and_mt_ussd_notification' 
time='MASKED'/>
   <testcase classname='MSC_Tests' name='TC_lu_and_mo_ussd_during_mt_call' 
time='MASKED'/>

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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I74fa174ea649adb2112c8e471c0e339a2197a08d
Gerrit-Change-Number: 36772
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <[email protected]>
Gerrit-MessageType: newchange

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