arehbein has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/31199 )
Change subject: sgsn: Add TC_attach_timeout_after_pdp_act
......................................................................
sgsn: Add TC_attach_timeout_after_pdp_act
Related: OS#4221
Change-Id: Ib3e3c021707b707811388616e28d7d7cc22f7b53
---
M sgsn/SGSN_Tests.ttcn
1 file changed, 57 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/99/31199/1
diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index f633101..e61d25d 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -1017,6 +1017,62 @@
f_cleanup();
}
+private function f_TC_attach_timeout_after_pdp_act(charstring id) runs on
BSSGP_ConnHdlr {
+ var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
+ /* Vars needed for triggering T3350 timeouts */
+ const integer ran_index := 0, gmm_attach_repeats := 5;
+ /* Standard T3350 value */
+ const float T3350 := 6.0;
+ var template PDU_L3_MS_SGSN attach_req;
+ timer t_receive_GMM_ATTACH_ACCEPT;
+ var RoutingAreaIdentificationV rai := f_random_RAI();
+
+ /* First establish PDP context */
+ f_TC_attach(id);
+ f_pdp_ctx_act(apars);
+
+ /* Now, try another GPRS attach procedure. For further code comments up
until receiving the attach
+ * accept from the SGSN, see definition of f_gmm_attach() */
+ attach_req := ts_GMM_ATTACH_REQ(f_mi_get_lv(), rai, false, false, omit,
omit);
+
attach_req.msgs.gprs_mm.attachRequest.msNetworkCapability.msNetworkCapabilityV.revisionLevelIndicatior
:= '1'B;
+
attach_req.msgs.gprs_mm.attachRequest.msNetworkCapability.msNetworkCapabilityV.solSACapability
:= '0'B;
+ f_send_l3(attach_req, ran_index);
+ f_gmm_auth(false, false, ran_index);
+ f_gmm_gsup_lu_isd();
+
+ BSSGP[ran_index].clear;
+ log("Trying to receive ", gmm_attach_repeats, " ATTACH ACCEPTs");
+ for (var integer i := 1; i <= gmm_attach_repeats; i := i+1) {
+ t_receive_GMM_ATTACH_ACCEPT.start(T3350 + 0.5);
+ alt {
+ []
BSSGP[ran_index].receive(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?)) {
+ t_receive_GMM_ATTACH_ACCEPT.stop;
+ }
+ [] t_receive_GMM_ATTACH_ACCEPT.timeout {
+ setverdict(fail, "Timeout on receiving ", i,
"th ATTACH ACCEPT")
+ }
+ }
+ }
+ log("Have received ", gmm_attach_repeats, " ATTACH ACCEPT messages");
+ log("Make sure not more than ", gmm_attach_repeats, " ATTACH ACCEPT
messages are sent");
+ t_receive_GMM_ATTACH_ACCEPT.start(T3350 + 0.5);
+ alt {
+ [] BSSGP[ran_index].receive(tr_GMM_ATTACH_ACCEPT('001'B, ?, ?))
{
+ setverdict(fail, "Received ", gmm_attach_repeats + 1,
"th ATTACH ACCEPT")
+ }
+ [] t_receive_GMM_ATTACH_ACCEPT.timeout { }
+ }
+
+ setverdict(pass);
+}
+
+testcase TC_attach_timeout_after_pdp_act() runs on test_CT {
+ var BSSGP_ConnHdlr vc_conn;
+ f_init();
+ vc_conn := f_start_handler(refers(f_TC_attach_timeout_after_pdp_act),
testcasename(), g_gb, 21);
+ f_cleanup();
+}
+
/* MS never responds to ID REQ, expect ATTACH REJECT */
private function f_TC_attach_auth_id_timeout(charstring id) runs on
BSSGP_ConnHdlr {
var RoutingAreaIdentificationV old_ra := f_random_RAI();
@@ -3630,6 +3686,7 @@
execute( TC_attach_mnc3() );
execute( TC_attach_umts_aka_umts_res() );
execute( TC_attach_umts_aka_gsm_sres() );
+ execute( TC_attach_timeout_after_pdp_act() );
execute( TC_attach_auth_id_timeout() );
execute( TC_attach_auth_sai_timeout() );
execute( TC_attach_auth_sai_reject() );
--
To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/31199
To unsubscribe, or for help writing mail filters, visit
https://gerrit.osmocom.org/settings
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Ib3e3c021707b707811388616e28d7d7cc22f7b53
Gerrit-Change-Number: 31199
Gerrit-PatchSet: 1
Gerrit-Owner: arehbein <[email protected]>
Gerrit-MessageType: newchange
