BTS_Test_ASCI: Add Talker detect and link fail test
A VGCS channel is activated. The BSC sends UPLINK FREE message. The MS
sends RACH on VGCS channel. The MS receives VGCS UPLINK GRAND, but does
not respond to it. It is expeced that the BSC receivce RSL CONN FAIL.
Change-Id: I3b292f6a5f47298195bd942a5ca73d9d63f921b5
Related: OS#4851
diff --git a/bts/BTS_Tests_ASCI.ttcn b/bts/BTS_Tests_ASCI.ttcn
index 680f1e2..e0277bd 100644
--- a/bts/BTS_Tests_ASCI.ttcn
+++ b/bts/BTS_Tests_ASCI.ttcn
@@ -190,9 +190,110 @@
Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
}
+/* Sub function to test talker detect. */
+private function f_vgcs_talker_detect() runs on ConnHdlr
+{
+ var octetstring uplink_free := '082B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B'O;
+ var octetstring uplink_access := 'C0'O;
+ var template octetstring uplink_grant := '0609C0*'O;
+ var RSL_Message rm;
+ var GsmFrameNumber fn;
+
+ f_l1_tune(L1CTL);
+ RSL.clear;
+
+ /* Activate channel on the BTS side. */
+ log("Activating VGCS channel.");
+ f_rsl_chan_act(g_pars.chan_mode);
+
+ /* Enable dedicated mode. */
+ f_l1ctl_est_dchan(L1CTL, g_pars);
+
+ /* Send one UPLINK FREE message and expect them to be repeated. */
+ log("Send UPLINK FREE.");
+ RSL.send(ts_RSL_UNITDATA_REQ(g_chan_nr, ts_RslLinkID_DCCH(0), uplink_free));
+ f_l1_exp_lapdm(tr_LAPDm_Bter_UI(uplink_free));
+ log("Received UPLINK FREE.");
+
+ /* Send UPLINK ACCESS on VGCS channel. */
+ log("Send UPLINK ACCESS.");
+ fn := f_L1CTL_RACH(L1CTL, oct2int(uplink_access), chan_nr := g_pars.chan_nr);
+
+ /* Receive UPLINK GRANT by the MS. */
+ f_l1_exp_lapdm(tr_LAPDm_UI(0, cr_MT_CMD, uplink_grant));
+ log("Received VGCS UPLINK GRANT.");
+
+ /* Wait for talker detection. */
+ timer T := 1.0;
+ T.start;
+ alt {
+ [] RSL.receive(tr_RSL_TALKER_DET(g_pars.chan_nr, ?)) -> value rm {
+ log("RSL Talker Detect has been detected: ", rm);
+ T.stop;
+ }
+ [] RSL.receive(tr_RSL_CHAN_RQD(?, ?, ?, ?)) -> value rm {
+ setverdict(fail, "RSL_CHAN_RQD was not expected: ", rm);
+ T.stop;
+ }
+ [] RSL.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for RSL Talker Detect.");
+ }
+ }
+}
+
+/* A VGCS channel is activated. The BSC sends UPLINK FREE message. The MS sends RACH on VGCS channel.
+ * The MS receives VGCS UPLINK GRAND, but does not respond to it. It is expeced that the BSC receivce RSL CONN FAIL.
+ */
+private function f_TC_vgcs_talker_fail(charstring id) runs on ConnHdlr
+{
+ var RSL_Message rm;
+
+ /* Perform link establishment and talker detection. */
+ f_vgcs_talker_detect();
+
+ /* Leave dedicated channel, to force link timeout. */
+ f_L1CTL_RESET(L1CTL);
+ f_l1_tune(L1CTL);
+
+ /* Wait for link timeout. */
+ timer T := 40.0;
+ T.start;
+ alt {
+ [] RSL.receive(tr_RSL_CONN_FAIL_IND(g_pars.chan_nr, ?)) -> value rm {
+ log("RSL Conn Fail Ind has been detected as expected: ", rm);
+ T.stop;
+ }
+ [] RSL.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for RSL Conn Fail Ind.");
+ }
+ }
+
+ /* Deactivate and cleanup. */
+ f_vgcs_cleanup();
+}
+testcase TC_vgcs_talker_fail() runs on test_CT
+{
+ var template RSL_IE_ChannelMode ch_mode;
+ var ConnHdlrPars pars;
+ var ConnHdlr vc_conn;
+
+ f_init();
+
+ ch_mode := ts_RSL_ChanMode(RSL_CHRT_TCH_F_GROUP, RSL_CMOD_SP_GSM1);
+ pars := valueof(t_Pars(t_RslChanNr_Bm(1), ch_mode));
+ pars.t_guard := 60.0;
+ vc_conn := f_start_handler(refers(f_TC_vgcs_talker_fail), pars);
+ vc_conn.done;
+
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
+}
+
control {
execute( TC_vbs_notification() );
execute( TC_vgcs_uplink_free_and_busy() );
+ execute( TC_vgcs_talker_fail() );
}