<p>laforge <strong>submitted</strong> this change.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/16799">View Change</a></p><div style="white-space:pre-wrap">Approvals:
laforge: Looks good to me, approved
Jenkins Builder: Verified
</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">msc: Introduce test TC_(iu_)chan_rel_sccp_tiar_timeout<br><br>Verify SCCP T(iar) timeout triggers release of established channel.<br><br>Related: OS#4343<br>Change-Id: Id6488a262e656f5c8fabb4e81f4797b305eb09e2<br>---<br>M msc/MSC_Tests.ttcn<br>M msc/MSC_Tests_Iu.ttcn<br>M msc/expected-results.xml<br>3 files changed, 64 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn</span><br><span>index 177c2f8..bf7f748 100644</span><br><span>--- a/msc/MSC_Tests.ttcn</span><br><span>+++ b/msc/MSC_Tests.ttcn</span><br><span>@@ -113,6 +113,11 @@</span><br><span> * handler is not active, which means that also no guard timer is</span><br><span> * set up. The following timer will serve as a replacement */</span><br><span> timer Tguard_direct := 60.0;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Configure T(tias) over VTY, seconds */</span><br><span style="color: hsl(120, 100%, 40%);">+ var integer g_msc_sccp_timer_ias := 7 * 60;</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Configure T(tiar) over VTY, seconds */</span><br><span style="color: hsl(120, 100%, 40%);">+ var integer g_msc_sccp_timer_iar := 15 * 60;</span><br><span> }</span><br><span> </span><br><span> modulepar {</span><br><span>@@ -337,6 +342,8 @@</span><br><span> f_vty_config(MSCVTY, "msc", "assign-tmsi");</span><br><span> f_vty_config(MSCVTY, "msc", "check-imei-rqd 0");</span><br><span> f_vty_config(MSCVTY, "network", "encryption a5 0");</span><br><span style="color: hsl(120, 100%, 40%);">+ f_vty_config(MSCVTY, "cs7 instance 0", "sccp-timer ias " & int2str(g_msc_sccp_timer_ias));</span><br><span style="color: hsl(120, 100%, 40%);">+ f_vty_config(MSCVTY, "cs7 instance 0", "sccp-timer iar " & int2str(g_msc_sccp_timer_iar));</span><br><span> if (mp_enable_osmux_test) {</span><br><span> if (osmux) {</span><br><span> f_vty_config(MSCVTY, "msc", "osmux on");</span><br><span>@@ -676,6 +683,45 @@</span><br><span> vc_conn.done;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Verify T(iar) triggers and releases the channel */</span><br><span style="color: hsl(120, 100%, 40%);">+friend function f_lu_and_mo_call_sccp_tiar_timeout(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {</span><br><span style="color: hsl(120, 100%, 40%);">+ timer T_wait_iar := int2float(5 + 1); /* g_msc_sccp_timer_iar + Give extra time (+1 sec) */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_handler(pars);</span><br><span style="color: hsl(120, 100%, 40%);">+ var CallParameters cpars := valueof(t_CallParams);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_perform_lu();</span><br><span style="color: hsl(120, 100%, 40%);">+ f_mo_call_establish(cpars);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Expect the channel cleared upon T(iar) triggered: */</span><br><span style="color: hsl(120, 100%, 40%);">+ T_wait_iar.start;</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND) {</span><br><span style="color: hsl(120, 100%, 40%);">+ T_wait_iar.stop</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(pass);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] MGCP.receive(tr_DLCX(?)) { repeat; }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] T_wait_iar.timeout {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Timeout waiting for T(iar) triggered SCCP RSLD");</span><br><span style="color: hsl(120, 100%, 40%);">+ mtc.stop;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(pass);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_lu_and_mo_call_sccp_tiar_timeout() runs on MTC_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var BSC_ConnHdlr vc_conn;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Set T(iar) in MSC low enough that it will trigger before other side</span><br><span style="color: hsl(120, 100%, 40%);">+ has time to keep alive with a T(ias). Keep recommended ratio of</span><br><span style="color: hsl(120, 100%, 40%);">+ T(iar) >= T(ias)*2 */</span><br><span style="color: hsl(120, 100%, 40%);">+ g_msc_sccp_timer_ias := 2;</span><br><span style="color: hsl(120, 100%, 40%);">+ g_msc_sccp_timer_iar := 5;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn := f_start_handler(refers(f_lu_and_mo_call_sccp_tiar_timeout), 89);</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn.done;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> </span><br><span> /* Test LU (with authentication enabled), where HLR times out sending SAI response */</span><br><span> friend function f_tc_lu_auth_sai_timeout(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {</span><br><span>@@ -5816,6 +5862,7 @@</span><br><span> execute( TC_lu_imsi_timeout_tmsi_realloc() );</span><br><span> execute( TC_cmserv_imsi_unknown() );</span><br><span> execute( TC_lu_and_mo_call() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_lu_and_mo_call_sccp_tiar_timeout() );</span><br><span> execute( TC_lu_auth_sai_timeout() );</span><br><span> execute( TC_lu_auth_sai_err() );</span><br><span> execute( TC_lu_clear_request() );</span><br><span>diff --git a/msc/MSC_Tests_Iu.ttcn b/msc/MSC_Tests_Iu.ttcn</span><br><span>index b6b0983..e894598 100644</span><br><span>--- a/msc/MSC_Tests_Iu.ttcn</span><br><span>+++ b/msc/MSC_Tests_Iu.ttcn</span><br><span>@@ -80,6 +80,21 @@</span><br><span> vc_conn.done;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_iu_lu_and_mo_call_sccp_tiar_timeout() runs on MTC_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var BSC_ConnHdlr vc_conn;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Set T(iar) in MSC low enough that it will trigger before other side</span><br><span style="color: hsl(120, 100%, 40%);">+ has time to keep alive with a T(ias). Keep recommended ratio of</span><br><span style="color: hsl(120, 100%, 40%);">+ T(iar) >= T(ias)*2 */</span><br><span style="color: hsl(120, 100%, 40%);">+ g_msc_sccp_timer_ias := 2;</span><br><span style="color: hsl(120, 100%, 40%);">+ g_msc_sccp_timer_iar := 5;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init(3);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn := f_start_handler(refers(f_lu_and_mo_call_sccp_tiar_timeout), 1019, ran_idx := 2, ran_is_geran := false);</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn.done;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> testcase TC_iu_lu_auth_sai_timeout() runs on MTC_CT {</span><br><span> var BSC_ConnHdlr vc_conn;</span><br><span> f_init(3);</span><br><span>@@ -515,6 +530,7 @@</span><br><span> execute( TC_iu_lu_imsi_timeout_tmsi_realloc() );</span><br><span> execute( TC_iu_cmserv_imsi_unknown() );</span><br><span> execute( TC_iu_lu_and_mo_call() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_iu_lu_and_mo_call_sccp_tiar_timeout() );</span><br><span> execute( TC_iu_lu_auth_sai_timeout() );</span><br><span> execute( TC_iu_lu_auth_sai_err() );</span><br><span> execute( TC_iu_lu_release_request() );</span><br><span>diff --git a/msc/expected-results.xml b/msc/expected-results.xml</span><br><span>index 074eeb1..e2cca45 100644</span><br><span>--- a/msc/expected-results.xml</span><br><span>+++ b/msc/expected-results.xml</span><br><span>@@ -14,6 +14,7 @@</span><br><span> </testcase></span><br><span> <testcase classname='MSC_Tests' name='TC_cmserv_imsi_unknown' time='MASKED'/></span><br><span> <testcase classname='MSC_Tests' name='TC_lu_and_mo_call' time='MASKED'/></span><br><span style="color: hsl(120, 100%, 40%);">+ <testcase classname='MSC_Tests' name='TC_lu_and_mo_call_sccp_tiar_timeout' time='MASKED'/></span><br><span> <testcase classname='MSC_Tests' name='TC_lu_auth_sai_timeout' time='MASKED'/></span><br><span> <testcase classname='MSC_Tests' name='TC_lu_auth_sai_err' time='MASKED'/></span><br><span> <testcase classname='MSC_Tests' name='TC_lu_clear_request' time='MASKED'/></span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/16799">change 16799</a>. 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<div style="display:none"> Gerrit-Project: osmo-ttcn3-hacks </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: Id6488a262e656f5c8fabb4e81f4797b305eb09e2 </div>
<div style="display:none"> Gerrit-Change-Number: 16799 </div>
<div style="display:none"> Gerrit-PatchSet: 3 </div>
<div style="display:none"> Gerrit-Owner: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: Jenkins Builder </div>
<div style="display:none"> Gerrit-Reviewer: laforge <laforge@osmocom.org> </div>
<div style="display:none"> Gerrit-MessageType: merged </div>