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osmo-ttcn3-hacks
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BSC_Tests_ASCI: Add test to seize or release uplink by MSC 

The MSC will block (seize) or unblock (release) the uplink on one BSC,
if a talker requests or releases uplink on a different BSC. An UPLINK
BUSY or UPLINK FREE message es expected to be sent to the BTS.

Change-Id: I7ebf03662e81f59d76ca8d8fa29f581043053564
This commit is contained in:
Andreas Eversberg 2023-07-07 13:44:04 +02:00 committed by laforge
parent 5e3dd362f6
commit 35874922b7
2 changed files with 86 additions and 4 deletions
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82
bsc/BSC_Tests_ASCI.ttcn
View File

@ -95,8 +95,9 @@ private function f_tc_vgcs_vbs_setup(charstring id) runs on MSC_ConnHdlr {
var boolean assign_res := false;
var boolean assign_fail := false;
/* Note: This timer is used to receive messages after the expected event.
* After timeout, the outcome of the test is checked. */
timer T := 0.2;
* After timeout, the outcome of the test is checked.
* The timeout must be large enough, so all the messages pass before checking the outcome. */
timer T := 1.0;
/* Wait for the COORD ports to be connected. */
f_sleep(1.0);
@ -155,6 +156,19 @@ private function f_tc_vgcs_vbs_setup(charstring id) runs on MSC_ConnHdlr {
if (g_pars.asci_test.vgcs_assign_ok) {
T.start;
}
if (g_pars.asci_test.vgcs_uplink_seized or
g_pars.asci_test.vgcs_uplink_release) {
log("VGCS: sending Uplink Seized Cmd");
BSSAP.send(ts_BSSMAP_UplinkSeizedCmd(9, omit, omit, omit));
}
if (g_pars.asci_test.vgcs_uplink_release) {
log("VGCS: sending Uplink Release Cmd");
BSSAP.send(ts_BSSMAP_UplinkRelCmd(9));
}
if (g_pars.asci_test.vgcs_uplink_seized or
g_pars.asci_test.vgcs_uplink_release) {
T.start;
}
repeat;
}
[] COORD.receive(COORD_VGCS_ASSIGN_FAIL) {
@ -249,6 +263,24 @@ private function f_tc_vgcs_vbs_setup(charstring id) runs on MSC_ConnHdlr {
setverdict(pass);
return;
}
if (g_pars.asci_test.vgcs_uplink_seized) {
if (not uplink_busy) {
setverdict(fail, "VGCS: Uplink not busy as expected!");
return;
}
log("VGCS: Uplink established+released and uplink marked free as expected!");
setverdict(pass);
return;
}
if (g_pars.asci_test.vgcs_uplink_release) {
if (not uplink_free) {
setverdict(fail, "VGCS: Uplink not free as expected!");
return;
}
log("VGCS: Uplink established+released and uplink marked free as expected!");
setverdict(pass);
return;
}
}
/*
@ -505,6 +537,50 @@ testcase TC_vgcs_vbs_talker_rel() runs on test_CT {
f_shutdown_helper();
}
testcase TC_vgcs_vbs_uplink_seized() runs on test_CT {
var MSC_ConnHdlr call_conn, chan_conn;
var TestHdlrParams pars := f_gen_test_hdlr_pars();
f_init(1, true);
pars.sccp_addr_msc := g_bssap[0].sccp_addr_own;
pars.sccp_addr_bsc := g_bssap[0].sccp_addr_peer;
pars.asci_test.vgcs_uplink_seized := true;
call_conn := f_start_handler(refers(f_tc_vgcs_vbs_setup), pars);
chan_conn := f_start_handler(refers(f_tc_asci_assignment), pars);
/* Connect COORD ports of both functions. The functions will delay before using them. */
connect(call_conn:COORD, chan_conn:COORD);
call_conn.done;
chan_conn.done;
f_shutdown_helper();
}
testcase TC_vgcs_vbs_uplink_release() runs on test_CT {
var MSC_ConnHdlr call_conn, chan_conn;
var TestHdlrParams pars := f_gen_test_hdlr_pars();
f_init(1, true);
pars.sccp_addr_msc := g_bssap[0].sccp_addr_own;
pars.sccp_addr_bsc := g_bssap[0].sccp_addr_peer;
pars.asci_test.vgcs_uplink_release := true;
call_conn := f_start_handler(refers(f_tc_vgcs_vbs_setup), pars);
chan_conn := f_start_handler(refers(f_tc_asci_assignment), pars);
/* Connect COORD ports of both functions. The functions will delay before using them. */
connect(call_conn:COORD, chan_conn:COORD);
call_conn.done;
chan_conn.done;
f_shutdown_helper();
}
control {
execute( TC_vgcs_vbs_setup_only() );
execute( TC_vgcs_vbs_assignment() );
@ -512,6 +588,8 @@ control {
execute( TC_vgcs_vbs_talker_req() );
execute( TC_vgcs_vbs_talker_est() );
execute( TC_vgcs_vbs_talker_rel() );
execute( TC_vgcs_vbs_uplink_seized() );
execute( TC_vgcs_vbs_uplink_release() );
}

8
bsc/MSC_ConnectionHandler.ttcn
View File

@ -758,7 +758,9 @@ type record ASCITest {
boolean vgcs_assign_fail,
boolean vgcs_talker_req,
boolean vgcs_talker_est,
boolean vgcs_talker_rel
boolean vgcs_talker_rel,
boolean vgcs_uplink_seized,
boolean vgcs_uplink_release
};
type record TestHdlrParams {
@ -851,7 +853,9 @@ template (value) TestHdlrParams t_def_TestHdlrPars := {
vgcs_assign_fail := false,
vgcs_talker_req := false,
vgcs_talker_est := false,
vgcs_talker_rel := false
vgcs_talker_rel := false,
vgcs_uplink_seized := false,
vgcs_uplink_release := false
}
}