<p>Harald Welte <strong>merged</strong> this change.</p><p><a href="https://gerrit.osmocom.org/13558">View Change</a></p><div style="white-space:pre-wrap">Approvals:
Jenkins Builder: Verified
Harald Welte: Looks good to me, approved
</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">MSC_Tests: Add testcase to simulate VLR/HLR failure (SGsAP)<br><br>Currently we do not simulate a situation where the HLR is unreachable to<br>the MSC. Lets add a test wehere the HLR is disconnected and an LU via<br>SGsAP is tried. The SGs interface should then carry out a reset<br>procedure.<br><br>Change-Id: I830d0b936cbe9d73d1e0b1f4792c2be3d0b08cb9<br>Related: OS#3859<br>---<br>M msc/MSC_Tests.ttcn<br>M msc/expected-results.xml<br>2 files changed, 39 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 1a6e8f7..13d1ddb 100644</span><br><span>--- a/msc/MSC_Tests.ttcn</span><br><span>+++ b/msc/MSC_Tests.ttcn</span><br><span>@@ -4627,6 +4627,43 @@</span><br><span> vc_conn.done;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Simulate an HLR/VLR failure */</span><br><span style="color: hsl(120, 100%, 40%);">+private function f_tc_sgsap_vlr_failure(charstring id, BSC_ConnHdlrPars pars) runs on BSC_ConnHdlr {</span><br><span style="color: hsl(120, 100%, 40%);">+ var octetstring mme_name := f_enc_dns_hostname(mp_mme_name);</span><br><span style="color: hsl(120, 100%, 40%);">+ var octetstring vlr_name := f_enc_dns_hostname(mp_vlr_name);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ var PDU_SGsAP lur;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_handler(pars);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Attempt location update (which is expected to fail) */</span><br><span style="color: hsl(120, 100%, 40%);">+ lur := valueof(ts_SGsAP_LU_REQ(g_pars.imsi, mme_name, IMSI_attach,</span><br><span style="color: hsl(120, 100%, 40%);">+ ts_SGsAP_LAI('901'H, '70'H, 2342)));</span><br><span style="color: hsl(120, 100%, 40%);">+ SGsAP.send(lur);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Respond to SGsAP-RESET-INDICATION from VLR */</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [] SGsAP.receive(tr_SGsAP_RESET_IND_VLR(vlr_name)); {</span><br><span style="color: hsl(120, 100%, 40%);">+ SGsAP.send(valueof(ts_SGsAP_RESET_ACK_MME(mme_name)));</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%);">+ [] SGsAP.receive {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Received unexpected message on SGs");</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%);">+ f_sleep(1.0);</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_sgsap_vlr_failure() runs on MTC_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var BSC_ConnHdlrPars pars;</span><br><span style="color: hsl(120, 100%, 40%);">+ var BSC_ConnHdlr vc_conn;</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init(1, true, false);</span><br><span style="color: hsl(120, 100%, 40%);">+ pars := f_init_pars(11811, true, false);</span><br><span style="color: hsl(120, 100%, 40%);">+ vc_conn := f_start_handler_with_pars(refers(f_tc_sgsap_vlr_failure), pars);</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> /* SGs TODO:</span><br><span> * LU attempt for IMSI without NAM_PS in HLR</span><br><span> * LU attempt with AUTH FAIL due to invalid RES/SRES</span><br><span>@@ -4729,6 +4766,7 @@</span><br><span> execute( TC_sgsap_unsol_ud() );</span><br><span> execute( TC_bssap_lu_sgsap_lu_and_mt_call() );</span><br><span> execute( TC_sgsap_lu_and_mt_call() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_sgsap_vlr_failure() );</span><br><span> </span><br><span> /* Run this last: at the time of writing this test crashes the MSC */</span><br><span> execute( TC_lu_imsi_auth_tmsi_encr_3_1_log_msc_debug() );</span><br><span>diff --git a/msc/expected-results.xml b/msc/expected-results.xml</span><br><span>index 2c0083c..78b0099 100644</span><br><span>--- a/msc/expected-results.xml</span><br><span>+++ b/msc/expected-results.xml</span><br><span>@@ -90,6 +90,7 @@</span><br><span> <testcase classname='MSC_Tests' name='TC_sgsap_unsol_ud' time='MASKED'/></span><br><span> <testcase classname='MSC_Tests' name='TC_bssap_lu_sgsap_lu_and_mt_call' time='MASKED'/></span><br><span> <testcase classname='MSC_Tests' name='TC_sgsap_lu_and_mt_call' time='MASKED'/></span><br><span style="color: hsl(120, 100%, 40%);">+ <testcase classname='MSC_Tests' name='TC_sgsap_vlr_failure' time='MASKED'/></span><br><span> <testcase classname='MSC_Tests' name='TC_lu_imsi_auth_tmsi_encr_3_1_log_msc_debug' time='MASKED'/></span><br><span> <testcase classname='MSC_Tests' name='TC_gsup_mt_multi_part_sms' time='MASKED'></span><br><span> <failure type='fail-verdict'>Tguard timeout</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/13558">change 13558</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-MessageType: merged </div>
<div style="display:none"> Gerrit-Change-Id: I830d0b936cbe9d73d1e0b1f4792c2be3d0b08cb9 </div>
<div style="display:none"> Gerrit-Change-Number: 13558 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: dexter <pmaier@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: Harald Welte <laforge@gnumonks.org> </div>
<div style="display:none"> Gerrit-Reviewer: Jenkins Builder (1000002) </div>