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-rw-r--r--msc/MSC_Tests.ttcn207
1 files changed, 207 insertions, 0 deletions
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index e7c0a2a..b247f23 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -2260,6 +2260,109 @@ testcase TC_lu_and_mo_ussd_single_request() runs on MTC_CT {
vc_conn.done;
}
+/* LU followed by MT USSD notification */
+private function f_tc_lu_and_mt_ussd_notification(charstring id, BSC_ConnHdlrPars pars)
+runs on BSC_ConnHdlr {
+ f_init_handler(pars);
+
+ /* Perform location update */
+ f_perform_lu();
+
+ f_bssmap_register_imsi(g_pars.imsi, g_pars.tmsi);
+
+ /* We need to inspect GSUP activity */
+ f_create_gsup_expect(hex2str(g_pars.imsi));
+
+ /* Facility IE with network-originated USSD notification */
+ var template OCTN facility_req := f_USSD_FACILITY_IE_INVOKE(
+ op_code := SS_OP_CODE_USS_NOTIFY,
+ ussd_string := "Mahlzeit!"
+ );
+
+ /* Facility IE with acknowledgment to the USSD notification */
+ var template OCTN facility_rsp := enc_SS_FacilityInformation(
+ /* In case of USSD notification, Return Result is empty */
+ valueof(ts_SS_USSD_FACILITY_RETURN_RESULT_EMPTY())
+ );
+
+ /* Compose a new MT SS/REGISTER message with USSD notification */
+ var template PDU_ML3_NW_MS ussd_ntf := tr_ML3_MT_SS_REGISTER(
+ tid := 0, /* FIXME: most likely, it should be 0 */
+ ti_flag := c_TIF_ORIG, /* Sent from the side that originates the TI */
+ facility := valueof(facility_req)
+ );
+
+ /* Compose HLR -> MSC GSUP message */
+ var template (value) GSUP_PDU gsup_req := ts_GSUP_PROC_SS_REQ(
+ imsi := g_pars.imsi,
+ sid := '20000101'O,
+ state := OSMO_GSUP_SESSION_STATE_BEGIN,
+ ss := valueof(facility_req)
+ );
+
+ /* Send it to MSC and expect Paging Request */
+ GSUP.send(gsup_req);
+ alt {
+ [] BSSAP.receive(tr_BSSMAP_Paging(g_pars.imsi)) {
+ setverdict(pass);
+ }
+ /* We don't expect anything else */
+ [] as_unexp_gsup_or_bssap_msg();
+ }
+
+ /* Send Paging Response and expect USSD notification */
+ f_establish_fully(EST_TYPE_PAG_RESP);
+ /* Expect MT REGISTER message with USSD notification */
+ f_expect_mt_dtap_msg(ussd_ntf);
+
+ /* Compose a new MO SS/FACILITY message with empty response */
+ var template (value) PDU_ML3_MS_NW ussd_rsp := ts_ML3_MO_SS_FACILITY(
+ tid := 0, /* FIXME: it shall match the request tid */
+ ti_flag := c_TIF_REPL, /* Sent to the side that originates the TI */
+ facility := valueof(facility_rsp)
+ );
+
+ /* Compose expected MSC -> HLR GSUP message */
+ var template GSUP_PDU gsup_rsp := tr_GSUP_PROC_SS_REQ(
+ imsi := g_pars.imsi,
+ sid := '20000101'O,
+ state := OSMO_GSUP_SESSION_STATE_CONTINUE,
+ ss := valueof(facility_rsp)
+ );
+
+ /* MS sends response to the notification */
+ BSSAP.send(ts_PDU_DTAP_MO(ussd_rsp));
+ /* Expect GSUP message containing the SS payload */
+ f_expect_gsup_msg(gsup_rsp);
+
+ /* Compose expected MT SS/RELEASE COMPLETE message */
+ var template PDU_ML3_NW_MS ussd_term := tr_ML3_MT_SS_RELEASE_COMPLETE(
+ tid := 0, /* FIXME: it shall match the request tid */
+ ti_flag := c_TIF_ORIG, /* Sent from the side that originates the TI */
+ facility := omit
+ );
+
+ /* Compose MSC -> HLR GSUP message */
+ var template GSUP_PDU gsup_term := ts_GSUP_PROC_SS_REQ(
+ imsi := g_pars.imsi,
+ sid := '20000101'O,
+ state := OSMO_GSUP_SESSION_STATE_END
+ );
+
+ /* Finally, HLR terminates the session */
+ GSUP.send(gsup_term)
+ /* Expect MT RELEASE COMPLETE without Facility IE */
+ f_expect_mt_dtap_msg(ussd_term);
+
+ f_expect_clear();
+}
+testcase TC_lu_and_mt_ussd_notification() runs on MTC_CT {
+ var BSC_ConnHdlr vc_conn;
+ f_init();
+ vc_conn := f_start_handler(refers(f_tc_lu_and_mt_ussd_notification), 47);
+ vc_conn.done;
+}
+
/* LU followed by MT call and MO USSD request during this call */
private function f_tc_lu_and_mo_ussd_during_mt_call(charstring id, BSC_ConnHdlrPars pars)
runs on BSC_ConnHdlr {
@@ -2388,6 +2491,108 @@ testcase TC_mo_cc_bssmap_clear() runs on MTC_CT {
vc_conn.done;
}
+/* LU followed by MT call and MT USSD request during this call */
+private function f_tc_lu_and_mt_ussd_during_mt_call(charstring id, BSC_ConnHdlrPars pars)
+runs on BSC_ConnHdlr {
+ f_init_handler(pars);
+
+ /* Call parameters taken from f_tc_lu_and_mt_call */
+ var CallParameters cpars := valueof(t_CallParams('123456'H, 0));
+ cpars.mgcp_connection_id_bss := '10004'H;
+ cpars.mgcp_connection_id_mss := '10005'H;
+ cpars.mgcp_ep := "rtpbridge/1@mgw";
+ cpars.bss_rtp_port := 1110;
+
+ /* Perform location update */
+ f_perform_lu();
+
+ /* Establish a MT call */
+ f_mt_call_establish(cpars);
+
+ /* Hold the call for some time */
+ f_sleep(1.0);
+
+ var template OCTN facility_req := f_USSD_FACILITY_IE_INVOKE(
+ op_code := SS_OP_CODE_USS_REQUEST,
+ ussd_string := "Please type anything..."
+ );
+
+ var template OCTN facility_rsp := f_USSD_FACILITY_IE_RETURN_RESULT(
+ op_code := SS_OP_CODE_USS_REQUEST,
+ ussd_string := "Nope."
+ )
+
+ /* Compose MT SS/REGISTER message with network-originated request */
+ var template (value) PDU_ML3_NW_MS ussd_req := ts_ML3_MT_SS_REGISTER(
+ tid := 0, /* FIXME: most likely, it should be 0 */
+ ti_flag := c_TIF_ORIG, /* Sent from the side that originates the TI */
+ facility := valueof(facility_req)
+ );
+
+ /* Compose HLR -> MSC GSUP message */
+ var template (value) GSUP_PDU gsup_req := ts_GSUP_PROC_SS_REQ(
+ imsi := g_pars.imsi,
+ sid := '20000101'O,
+ state := OSMO_GSUP_SESSION_STATE_BEGIN,
+ ss := valueof(facility_req)
+ );
+
+ /* Send it to MSC */
+ GSUP.send(gsup_req);
+ /* Expect MT REGISTER message with USSD request */
+ f_expect_mt_dtap_msg(ussd_req);
+
+ /* Compose a new MO SS/FACILITY message with response */
+ var template (value) PDU_ML3_MS_NW ussd_rsp := ts_ML3_MO_SS_FACILITY(
+ tid := 0, /* FIXME: it shall match the request tid */
+ ti_flag := c_TIF_REPL, /* Sent to the side that originates the TI */
+ facility := valueof(facility_rsp)
+ );
+
+ /* Compose expected MSC -> HLR GSUP message */
+ var template GSUP_PDU gsup_rsp := tr_GSUP_PROC_SS_REQ(
+ imsi := g_pars.imsi,
+ sid := '20000101'O,
+ state := OSMO_GSUP_SESSION_STATE_CONTINUE,
+ ss := valueof(facility_rsp)
+ );
+
+ /* MS sends response */
+ BSSAP.send(ts_PDU_DTAP_MO(ussd_rsp));
+ f_expect_gsup_msg(gsup_rsp);
+
+ /* Compose expected MT SS/RELEASE COMPLETE message */
+ var template PDU_ML3_NW_MS ussd_term := tr_ML3_MT_SS_RELEASE_COMPLETE(
+ tid := 0, /* FIXME: it shall match the request tid */
+ ti_flag := c_TIF_ORIG, /* Sent from the side that originates the TI */
+ facility := omit
+ );
+
+ /* Compose MSC -> HLR GSUP message */
+ var template GSUP_PDU gsup_term := ts_GSUP_PROC_SS_REQ(
+ imsi := g_pars.imsi,
+ sid := '20000101'O,
+ state := OSMO_GSUP_SESSION_STATE_END
+ );
+
+ /* Finally, HLR terminates the session */
+ GSUP.send(gsup_term);
+ /* Expect MT RELEASE COMPLETE without Facility IE */
+ f_expect_mt_dtap_msg(ussd_term);
+
+ /* Hold the call for some time */
+ f_sleep(1.0);
+
+ /* Release the call (does Clear Complete itself) */
+ f_call_hangup(cpars, true);
+}
+testcase TC_lu_and_mt_ussd_during_mt_call() runs on MTC_CT {
+ var BSC_ConnHdlr vc_conn;
+ f_init();
+ vc_conn := f_start_handler(refers(f_tc_lu_and_mt_ussd_during_mt_call), 49);
+ vc_conn.done;
+}
+
/* TODO (SMS):
* different user data lengths
* SMPP transaction mode with unsuccessful delivery
@@ -2470,7 +2675,9 @@ control {
execute( TC_smpp_mt_sms() );
execute( TC_lu_and_mo_ussd_single_request() );
+ execute( TC_lu_and_mt_ussd_notification() );
execute( TC_lu_and_mo_ussd_during_mt_call() );
+ execute( TC_lu_and_mt_ussd_during_mt_call() );
/* Run this last: at the time of writing this test crashes the MSC */
execute( TC_lu_imsi_auth_tmsi_encr_3_1_log_msc_debug() );