pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/38576?usp=email )
Change subject: hnbgw: Introduce test TC_cs_iu_release_req_rua_disconnect
......................................................................
hnbgw: Introduce test TC_cs_iu_release_req_rua_disconnect
Related: SYS#6602
Change-Id: I6782920c4a86d3311eb54239ab13a18e393c1ec0
---
M hnbgw/HNBGW_Tests.ttcn
M library/ranap/RANAP_Templates.ttcn
2 files changed, 51 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/76/38576/1
diff --git a/hnbgw/HNBGW_Tests.ttcn b/hnbgw/HNBGW_Tests.ttcn
index 5249b8a..9dc8449 100644
--- a/hnbgw/HNBGW_Tests.ttcn
+++ b/hnbgw/HNBGW_Tests.ttcn
@@ -1327,6 +1327,55 @@
f_tc_ranap_creq_cref(8, true);
}
+private function f_tc_cs_iu_release_req_rua_disconnect(charstring id) runs on
ConnHdlr {
+ var MgcpCommand mgcp_cmd;
+ var RANAP_PDU tx;
+ timer T := 5.0;
+
+ f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit});
+
+ tx := f_build_initial_ue(g_pars);
+ f_iuh2iu_connect(tx);
+
+ f_create_rab(g_pars.mgcp_pars);
+
+ RUA.send(ts_RANAP_IuReleaseRequest(ts_RanapCause_radio_rab_preempted));
+ /* Leave small gap between Iu-Release Request and DISCONNECT: */
+ f_sleep(0.1);
+ RUA.send(RUA_Disc_Req:{{misc:=unspecified}, omit});
+
+ /* Make sure RUA DISCONNECT arrives to HNBGW before Iu-ReleaseCmd from
CN: */
+
BSSAP.receive(tr_RANAP_IuReleaseRequest(ts_RanapCause_radio_rab_preempted));
+ f_sleep(1.0);
+
BSSAP.send(ts_RANAP_IuReleaseCommand(ts_RanapCause_radio_rab_preempted));
+
+ T.start;
+ alt {
+ [] as_mgcp_dlcx() {}
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for DLCX");
+ }
+ }
+ T.stop;
+
+ /* TODO/FIXME: Should HNBGW consider the Iu conn in HNB to be already
released? or Somehow get a RUA conn to it so it can either:
+ * - Tx Iu-ReleaseCommand
+ * - Tx Iu Reset Resource (IuSigConid)
+ */
+
+ BSSAP.receive(tr_RANAP_IuReleaseComplete());
+}
+testcase TC_cs_iu_release_req_rua_disconnect() runs on test_CT {
+ var ConnHdlr vc_conn;
+ g_num_hnbs := 1;
+ f_init();
+
+ vc_conn :=
f_start_handler_with_pars(refers(f_tc_cs_iu_release_req_rua_disconnect),
f_TestHdlrParams(9));
+ vc_conn.done;
+
+ f_shutdown_helper();
+}
+
type record FTeid {
HostName addr,
OCT4 teid
@@ -2413,6 +2462,7 @@
execute(TC_ranap_ps_mo_disconnect());
execute(TC_ranap_cs_creq_cref());
execute(TC_ranap_ps_creq_cref());
+ execute(TC_cs_iu_release_req_rua_disconnect());
if (mp_enable_pfcp_tests) {
execute(TC_ps_rab_assignment_with_pfcp());
diff --git a/library/ranap/RANAP_Templates.ttcn
b/library/ranap/RANAP_Templates.ttcn
index 3f9c497..b09d23e 100644
--- a/library/ranap/RANAP_Templates.ttcn
+++ b/library/ranap/RANAP_Templates.ttcn
@@ -13,6 +13,7 @@
template (value) Cause ts_RanapCause_om_intervention := { misc := 113 };
template (value) Cause ts_RanapCause_nas_normal := { nAS := 83 };
+template (value) Cause ts_RanapCause_radio_rab_preempted := { radioNetwork :=
1 };
template (value) Cause ts_RanapCause_radio_conn_release := { radioNetwork :=
40 };
template (value) Cause ts_RanapCause_radio_conn_lost := { radioNetwork := 46 };
--
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Gerrit-MessageType: newchange
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I6782920c4a86d3311eb54239ab13a18e393c1ec0
Gerrit-Change-Number: 38576
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
