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laforge gerrit-no-reply at lists.osmocom.orglaforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21735 )
Change subject: SGSN_Tests: test RIM message passing
......................................................................
SGSN_Tests: test RIM message passing
Add a testcase to test if RIM messages can be passed on the SGSN back
and forth.
Related: SYS#5103
Change-Id: If0ab08dcdc28819740cc07fd4dc1fea47ba10843
Related: SYS#5103
---
M sgsn/SGSN_Tests.ttcn
1 file changed, 90 insertions(+), 0 deletions(-)
Approvals:
Jenkins Builder: Verified
laforge: Looks good to me, but someone else must approve
pespin: Looks good to me, approved
diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index 8e7d6e4..fe31ffc 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -171,6 +171,9 @@
/* only needed at start to get the per-BVC references */
port BSSGP_CT_PROC_PT PROC;
+ /* used by RIM related test */
+ port BSSGP_PT RIM[NUM_GB];
+
var GTP_Emulation_CT vc_GTP;
port TELNETasp_PT SGSNVTY;
@@ -247,6 +250,8 @@
gb.vc_BSSGP_BVC[i] := f_bssgp_get_bvci_ct(gb.cfg.bvc[i].bvci, PROC);
disconnect(self:PROC, gb.vc_BSSGP:PROC);
}
+ /* connect RIM related port */
+ connect(gb.vc_BSSGP:RIM, self:RIM[offset]);
}
private function f_init_gsup(charstring id) runs on test_CT {
@@ -3130,9 +3135,92 @@
f_cleanup();
}
+private function f_TC_bssgp_rim_dummy(charstring id) runs on BSSGP_ConnHdlr {
+}
+
+/* Run a RIM single report procedure over the sgsn. Since the SGSN will only do a transparent routing of the
+ * RIM messages this basically tests if the message is correctly transfered from one GB interface to the
+ * other and vice versa. */
+testcase TC_bssgp_rim_single_report() runs on test_CT {
+ var BSSGP_ConnHdlr vc_conn;
+ f_init();
+ vc_conn := f_start_handler(refers(f_TC_bssgp_rim_dummy), testcasename(), g_gb, 17);
+ vc_conn.done;
+
+ timer T := 2.0;
+
+ var template RIM_Routing_Address dst_addr;
+ var template RIM_Routing_Address src_addr;
+ var template RAN_Information_Request_RIM_Container req_cont;
+ var template RAN_Information_RIM_Container res_cont;
+ var template PDU_BSSGP bssgp_rim_pdu;
+ var template PDU_BSSGP bssgp_rim_pdu_expect;
+
+ dst_addr := t_RIM_Routing_Address_cid(g_gb[1].cfg.bvc[0].cell_id);
+ src_addr := t_RIM_Routing_Address_cid(g_gb[0].cfg.bvc[0].cell_id);
+ /* Send NACC Ran information request to SGSN at GB interface #0. We epect the SGSN to forward this request
+ * based on the cell id in dst_addr to GB interface #1. */
+ req_cont := ts_RAN_Information_Request_RIM_Container(ts_RIM_Application_Identity(RIM_APP_ID_NACC),
+ ts_RIM_Sequence_Number(1),
+ ts_RIM_PDU_Indications(false, RIM_PDU_TYPE_SING_REP),
+ ts_RIM_Protocol_Version_Number(1),
+ tsu_RAN_Information_Request_Application_Container_NACC(g_gb[1].cfg.bvc[0].cell_id),
+ omit);
+ bssgp_rim_pdu := ts_RAN_INFORMATION_REQUEST(ts_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, dst_addr),
+ ts_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, src_addr),
+ req_cont);
+ bssgp_rim_pdu_expect := tr_RAN_INFORMATION_REQUEST(tr_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, dst_addr),
+ tr_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, src_addr),
+ tr_RAN_Information_Request_RIM_Container);
+ RIM[0].send(bssgp_rim_pdu);
+ T.start;
+ alt {
+ [] RIM[1].receive(bssgp_rim_pdu_expect) { }
+ [] RIM[1].receive {
+ setverdict(fail, "Unexpected BSSGP RIM PDU received");
+ }
+ [] T.timeout {
+ setverdict(fail, "No BSSGP RIM PDU received");
+ mtc.stop;
+ }
+ }
+ /* Now also emulate also the response as well and send it back on GB interface #1. Expect the result on
+ * GB interface #0 */
+ var octetstring si1 := '198fb100000000000000000000000000007900002b'O;
+ var octetstring si3 := '1b753000f110236ec9033c2747407900003c0b2b2b'O;
+ var octetstring si13 := '009000185a6fc9e08410ab2b2b2b2b2b2b2b2b2b2b'O;
+ var octetstring si := si1 & si3 & si13;
+
+ res_cont := ts_RAN_Information_RIM_Container(ts_RIM_Application_Identity(RIM_APP_ID_NACC),
+ ts_RIM_Sequence_Number(2),
+ ts_RIM_PDU_Indications(false, RIM_PDU_TYPE_SING_REP),
+ ts_RIM_Protocol_Version_Number(1),
+ tsu_ApplContainer_or_ApplErrContainer_NACC(tsu_ApplContainer_NACC(g_gb[0].cfg.bvc[0].cell_id, false, 3, si)),
+ omit);
+ bssgp_rim_pdu := ts_PDU_BSSGP_RAN_INFORMATION(ts_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, src_addr),
+ ts_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, dst_addr),
+ res_cont);
+ bssgp_rim_pdu_expect := tr_PDU_BSSGP_RAN_INFORMATION(tr_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, src_addr),
+ tr_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, dst_addr),
+ ?);
+ RIM[1].send(bssgp_rim_pdu);
+ T.start;
+ alt {
+ [] RIM[0].receive(bssgp_rim_pdu_expect) { }
+ [] RIM[0].receive {
+ setverdict(fail, "Unexpected BSSGP RIM PDU received");
+ }
+ [] T.timeout {
+ setverdict(fail, "No BSSGP RIM PDU received");
+ mtc.stop;
+ }
+ }
+
+ f_cleanup();
+}
control {
execute( TC_attach() );
@@ -3196,6 +3284,8 @@
execute( TC_suspend_rau() );
execute( TC_paging_ps() );
+ execute( TC_bssgp_rim_single_report() );
+
/* At the end, may crash osmo-sgsn, see OS#3957, OS#4245 */
execute( TC_attach_req_id_req_ra_update() );
}
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: If0ab08dcdc28819740cc07fd4dc1fea47ba10843
Gerrit-Change-Number: 21735
Gerrit-PatchSet: 3
Gerrit-Owner: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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