Change in ...osmo-ttcn3-hacks[master]: sgsn: implement commonid as alt_step

[lynxis lazus]

lynxis lazus has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/15398


Change subject: sgsn: implement commonid as alt_step
......................................................................

sgsn: implement commonid as alt_step

Change-Id: I3d4d0aa83c0365969039613d7539d0e7d816afa7
---
M sgsn/SGSN_Tests.ttcn
1 file changed, 17 insertions(+), 2 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/98/15398/1

diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index d210182..e4a5cbf 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -546,6 +546,12 @@
 	}
 }
 
+altstep as_ranap_common_id(integer gb_idx) runs on BSSGP_ConnHdlr {
+	[gb_idx >= NUM_GB] BSSAP.receive(tr_RANAP_CommonId(imsi_hex2oct(g_pars.imsi))) {
+		repeat;
+	}
+}
+
 altstep as_mm_identity(integer gb_idx := 0) runs on BSSGP_ConnHdlr {
 	var MobileL3_CommonIE_Types.MobileIdentityLV mi;
 	[is_gb(gb_idx)] BSSGP[gb_idx].receive(tr_GMM_ID_REQ('001'B)) {
@@ -591,6 +597,7 @@
 	var PDU_L3_MS_SGSN l3_mo;
 	var PDU_L3_SGSN_MS l3_mt;
 	var default di := activate(as_mm_identity(gb_idx));
+	var default commonid := activate(as_ranap_common_id(gb_idx));
 	if (g_pars.net.expect_auth) {
 		var GSUP_IE auth_tuple;
 		var template AuthenticationParameterAUTNTLV autn;
@@ -655,7 +662,9 @@
 								key_sts := ?)) {
 				var IntegrityProtectionAlgorithm uia_chosen := 0; /*standard_UMTS_integrity_algorithm_UIA1;*/
 				BSSAP.send(ts_RANAP_SecurityModeComplete(uia_chosen));
-				//BSSAP.receive(tr_RANAP_CommonId(imsi_hex2oct(g_pars.imsi)));
+
+				/* allow to common id to be received */
+				f_sleep(1.0);
 			}
 		}
 	} else {
@@ -663,6 +672,7 @@
 		f_sleep(1.0);
 	}
 
+	deactivate(commonid);
 	deactivate(di);
 }
 
@@ -2359,6 +2369,7 @@
 	var PDU_L3_SGSN_MS l3_mt;
 	var PDU_DTAP_PS_MT mt;
 	var template OCT4 p_tmsi := omit;
+	var default commonid := activate(as_ranap_common_id(bssgp));
 
 	if (send_ptmsi) {
 		p_tmsi := g_pars.p_tmsi;
@@ -2390,11 +2401,15 @@
 								key_sts := ?)) {
 			var IntegrityProtectionAlgorithm uia_chosen := 0; /*standard_UMTS_integrity_algorithm_UIA1;*/
 			BSSAP.send(ts_RANAP_SecurityModeComplete(uia_chosen));
-			//BSSAP.receive(tr_RANAP_CommonId(imsi_hex2oct(g_pars.imsi)));
+
+			/* allow to common id to be received */
+			f_sleep(1.0);
 		}
 	[is_gb(bssgp)] BSSGP[bssgp].receive { repeat; }
 	[is_iu(bssgp)] BSSAP.receive { repeat; }
 	}
+
+	deactivate(commonid);
 }
 
 private function f_TC_attach_rau_a_a(charstring id) runs on BSSGP_ConnHdlr {

-- 
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I3d4d0aa83c0365969039613d7539d0e7d816afa7
Gerrit-Change-Number: 15398
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <lynxis at fe80.eu>
Gerrit-MessageType: newchange
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