bsc: Introduce test TC_mgwpool_keepalive
Related: SYS#6481
Change-Id: Ib3cd00dafee87258ac229df78217326a6182f028
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 5cba365..ba0858c 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -12140,6 +12140,15 @@
}
f_vty_transceive(BSCVTY, "mgw " & int2str(mgw_nr) & " " & arg);
}
+private function f_vty_mgw_cfg_keepalive(integer mgw_nr := 1, integer req_intval := 0, charstring req_endp := "null", integer rx_timeout := 0) runs on test_CT {
+ var charstring arg;
+ var rof_charstring cmds := {
+ "keepalive request-interval " & int2str(req_intval),
+ "keepalive request-endpoint " & req_endp,
+ "keepalive timeout " & int2str(rx_timeout)
+ };
+ f_vty_config3(BSCVTY, {"network", "mgw " & int2str(mgw_nr)}, cmds);
+}
private const charstring COORD_CMD_ESTABLISHED := "COORD_CMD_ESTABLISHED";
private function f_TC_mgwpool_call_seq_1(charstring id) runs on MSC_ConnHdlr {
var template PDU_BSSAP exp_compl := f_gen_exp_compl();
@@ -12257,6 +12266,66 @@
f_shutdown_helper();
}
+/* Test keepalive procedure on the MGW */
+private function f_TC_mgwpool_keepalive_mgw0(charstring id) runs on MSC_ConnHdlr {
+ /* Make sure the MGW is considered DOWN by the keepalive. See "timeout"
+ * param in TC_mgwpool_keepalive. */
+ f_sleep(3.0);
+
+ COORD.send(COORD_CMD_ESTABLISHED);
+
+ /* Wait for signal that call was established successfully over the other MSC/MGW: */
+ COORD.receive(COORD_CMD_ESTABLISHED);
+}
+private function f_TC_mgwpool_keepalive_mgw1(charstring id) runs on MSC_ConnHdlr {
+ var template PDU_BSSAP exp_compl := f_gen_exp_compl();
+ var PDU_BSSAP ass_cmd := f_gen_ass_req();
+ ass_cmd.pdu.bssmap.assignmentRequest.channelType := valueof(ts_BSSMAP_IE_ChannelType);
+ ass_cmd.pdu.bssmap.assignmentRequest.codecList := valueof(ts_BSSMAP_IE_CodecList({ts_CodecFR}));
+
+ /* Wait for other MSC/MGW component to tell us the timeout is done and
+ * we can start the call, which will be assigned to use because the other
+ * MGW will be seen as DOWN. */
+ COORD.receive(COORD_CMD_ESTABLISHED);
+ f_establish_fully(ass_cmd, exp_compl);
+ /* signal that call was established successfully over the other MSC/MGW: */
+ COORD.send(COORD_CMD_ESTABLISHED);
+
+ f_perform_clear()
+ f_create_mgcp_delete_ep(g_media.mgcp_ep);
+}
+testcase TC_mgwpool_keepalive_down_not_used() runs on test_CT {
+ var TestHdlrParams pars1 := f_gen_test_hdlr_pars();
+ var MSC_ConnHdlr vc_conn1;
+ pars1.mgwpool_idx := 0;
+
+ var TestHdlrParams pars2 := f_gen_test_hdlr_pars();
+ var MSC_ConnHdlr vc_conn2;
+ pars2.mgwpool_idx := 1; /* expect it in the second one, since the first will be considered DOWN */
+ pars2.media_nr := 2;
+
+ f_init(1, true, nr_mgw := 2);
+ f_sleep(1.0);
+
+ f_vty_mgw_enable(1);
+ f_vty_mgw_block(1, false);
+ f_vty_mgw_cfg_keepalive(0, req_intval := 1, req_endp := "null", rx_timeout := 3);
+
+ vc_conn1 := f_start_handler_create(pars1);
+ vc_conn2 := f_start_handler_create(pars2);
+ connect(vc_conn1:COORD, vc_conn2:COORD);
+ f_start_handler_run(vc_conn1, refers(f_TC_mgwpool_keepalive_mgw0), pars1);
+ f_start_handler_run(vc_conn2, refers(f_TC_mgwpool_keepalive_mgw1), pars2);
+ vc_conn1.done;
+ vc_conn2.done;
+
+ f_vty_mgw_disable(1);
+ /* disable keepalive (default status): */
+ f_vty_mgw_cfg_keepalive(0, req_intval := 0, req_endp := "null", rx_timeout := 0);
+
+ f_shutdown_helper();
+}
+
private function f_tc_ho_meas_rep_multi_band(charstring id) runs on MSC_ConnHdlr {
g_pars := f_gen_test_hdlr_pars();
var PDU_BSSAP ass_req := f_gen_ass_req();
@@ -12680,6 +12749,7 @@
execute( TC_mgwpool_all_used() );
execute( TC_mgwpool_blocked_not_used() );
execute( TC_mgwpool_pin_bts() );
+ execute( TC_mgwpool_keepalive_down_not_used() );
execute( TC_ho_meas_rep_multi_band() );
diff --git a/bsc/expected-results.xml b/bsc/expected-results.xml
index a9ce59b..eaa863b 100644
--- a/bsc/expected-results.xml
+++ b/bsc/expected-results.xml
@@ -264,6 +264,7 @@
<testcase classname='BSC_Tests' name='TC_chan_alloc_algo_ass_dynamic' time='MASKED'/>
<testcase classname='BSC_Tests' name='TC_mgwpool_all_used' time='MASKED'/>
<testcase classname='BSC_Tests' name='TC_mgwpool_blocked_not_used' time='MASKED'/>
+ <testcase classname='BSC_Tests' name='TC_mgwpool_keepalive_down_not_used' time='MASKED'/>
<testcase classname='BSC_Tests' name='TC_mgwpool_pin_bts' time='MASKED'/>
<testcase classname='BSC_Tests' name='TC_ho_meas_rep_multi_band' time='MASKED'/>
<testcase classname='BSC_Tests' name='TC_ho_out_of_this_bsc' time='MASKED'/>