[PATCH] osmo-ttcn3-hacks[master]: sgsn: Add TC_rau_unknown

[Harald Welte]

Review at  https://gerrit.osmocom.org/6555

sgsn: Add TC_rau_unknown

Change-Id: If33fc690cedcc362c3cd5d7c1951440ecba328c2
---
M library/L3_Templates.ttcn
M sgsn/SGSN_Tests.ttcn
2 files changed, 54 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/55/6555/1

diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index 396a361..b37ee25 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -1471,6 +1471,7 @@
 				mSNetworkCapability := omit,
 				pdpContextStatus := omit, /* TODO */
 				pC_LCSCapability := omit,
+				mBMS_ContextStatus := omit,
 				uENetworkCapability := omit,
 				additionalMobileIdentity := omit,
 				oldRoutingAreaIdentification2 := omit,
@@ -1492,6 +1493,28 @@
 	}
 }
 
+template PDU_L3_SGSN_MS tr_GMM_RAU_REJECT(template OCT1 cause := ?) := {
+	discriminator := '1000'B,
+	tiOrSkip := {
+		skipIndicator := '0000'B
+	},
+	msgs := {
+		gprs_mm := {
+			routingAreaUpdateReject := {
+				messageType := '00001011'B,
+				gmmCause := {
+					causeValue := cause
+				},
+				forceToStandby := ?,
+				spare := '0000'B,
+				t3302 := *,
+				t3346 := *
+			}
+		}
+	}
+}
+
+
 template (value) PDU_L3_MS_SGSN ts_GMM_RAU_COMPL := {
 	discriminator := '0000'B, /* overwritten */
 	tiOrSkip := {
diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index 2d21f48..adb018b 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -308,6 +308,7 @@
 	GSUP.send(ts_GSUP_UL_RES(g_pars.imsi));
 
 	BSSGP.receive(tr_BD_L3(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?)));
+	/* FIXME: Extract P-TMSI, if any. Only send Complete if necessary */
 	BSSGP.send(ts_GMM_ATTACH_COMPL);
 	setverdict(pass);
 }
@@ -512,6 +513,35 @@
 	vc_conn.done;
 }
 
+/* Routing Area Update from Unknown TLLI -> REJECT */
+private function f_TC_rau_unknown(charstring id) runs on BSSGP_ConnHdlr {
+	var MobileIdentityLV mi;
+	var RoutingAreaIdentificationV old_ra := f_random_RAI();
+
+	if (ispresent(g_pars.p_tmsi)) {
+		mi := valueof(ts_MI_TMSI_LV(g_pars.p_tmsi));
+	} else {
+		mi := valueof(ts_MI_IMSI_LV(g_pars.imsi));
+	}
+
+	BSSGP.send(ts_GMM_RAU_REQ(mi, GPRS_UPD_T_RA, old_ra, false, omit, omit));
+	alt {
+	[] BSSGP.receive(tr_BD_L3(tr_GMM_RAU_REJECT('0a'O))) {
+		setverdict(pass);
+		}
+	/* FIXME: Expect XID RESET? */
+	[] BSSGP.receive { repeat; }
+	}
+}
+testcase TC_rau_unknown() runs on test_CT {
+	var BSSGP_ConnHdlr vc_conn;
+	f_init();
+	f_sleep(1.0);
+	vc_conn := f_start_handler(refers(f_TC_rau_unknown), testcasename(), g_gb[0], 9);
+	vc_conn.done;
+}
+
+
 
 
 control {
@@ -522,6 +552,7 @@
 	execute( TC_attach_combined() );
 	execute( TC_attach_accept_all() );
 	execute( TC_attach_closed() );
+	execute( TC_rau_unknown() );
 }
 
 

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: If33fc690cedcc362c3cd5d7c1951440ecba328c2
Gerrit-PatchSet: 1
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Owner: Harald Welte <laforge at gnumonks.org>