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gbproxy: Test BVC bringup with conflicting BVCs 

Different pcus try to establish the same BVC. Ensure that all the other
BVCs still remain functional.

Change-Id: I46eb0205b4c86b5f1bdc241ef0b2e12135c028e4
This commit is contained in:
Daniel Willmann 2021-12-06 16:27:54 +01:00 committed by daniel
parent 999ceb6637
commit 116d8b5feb
1 changed files with 115 additions and 0 deletions
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115
gbproxy/GBProxy_Tests.ttcn
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@ -1069,6 +1069,117 @@ testcase TC_BVC_bringup() runs on test_CT {
f_cleanup();
}
testcase TC_BVC_bringup_conflicting() runs on test_CT {
var float t_guard := 15.0;
var BssgpStatusIndication bsi;
var integer i;
g_Tguard.start(t_guard);
activate(as_gTguard(g_Tguard));
f_ipa_ctrl_start_client(mp_gbproxy_ip, mp_gbproxy_ctrl_port);
var BssgpBvcConfigs bvcs := { };
for (i := 0; i < lengthof(mp_gbconfigs); i := i+1) {
g_pcu[i].cfg := mp_gbconfigs[i];
g_pcu[i].cfg.bvc[0].bvci := 23;
/* make sure all have a proper create_cb, which cannot be specified in config file */
f_fix_create_cb(g_pcu[i].cfg);
/* concatenate all the PCU-side BVCs for the SGSN side */
bvcs := bvcs & g_pcu[i].cfg.bvc;
}
for (i := 0; i < lengthof(mp_nsconfig_sgsn); i := i+1) {
g_sgsn[i].cfg := {
nsei := mp_nsconfig_sgsn[i].nsei,
sgsn_role := true,
bvc := bvcs
}
}
f_init_vty();
for (i := 0; i < lengthof(mp_nsconfig_sgsn); i := i+1) {
f_vty_transceive(GBPVTY, "nsvc nsei " & int2str(g_sgsn[i].cfg.nsei) & " force-unconfigured");
}
for (i := 0; i < lengthof(mp_nsconfig_pcu); i := i+1) {
f_vty_transceive(GBPVTY, "nsvc nsei " & int2str(g_pcu[i].cfg.nsei) & " force-unconfigured");
f_vty_transceive(GBPVTY, "delete-gbproxy-peer " & int2str(g_pcu[i].cfg.nsei) & " only-bvc");
}
for (i := 0; i < lengthof(mp_nsconfig_sgsn); i := i+1) {
f_init_gb_sgsn(g_sgsn[i], "GbProxy_Test", i);
}
f_sleep(4.0);
for (i := 0; i < lengthof(mp_nsconfig_pcu); i := i+1) {
f_init_gb_pcu(g_pcu[i], "GbProxy_Test", i);
}
/* wait until all BVC are unblocked on both sides */
timer T := 10.0;
T.start;
alt {
[] SGSN_MGMT.receive(BssgpStatusIndication:{*, ?, ?}) {
repeat;
}
[] SGSN_MGMT.receive(BssgpResetIndication:?) {
repeat;
}
[] SGSN_MGMT.receive {
f_shutdown(__FILE__, __LINE__, fail, "Received unexpected message on SGSN_MGMT");
}
[] PCU_MGMT.receive(BssgpStatusIndication:{*, ?, BVC_S_UNBLOCKED}) -> value bsi {
repeat;
}
[] PCU_MGMT.receive(BssgpStatusIndication:{*, ?, ?}) {
repeat;
}
[] PCU_MGMT.receive(BssgpResetIndication:{0}) {
repeat;
}
[] PCU_MGMT.receive {
f_shutdown(__FILE__, __LINE__, fail, "Received unexpected message on PCU_MGMT");
}
[] T.timeout {
}
}
/* Wait to ensure the gbproxy processed the RESET_ACK messages from the SGSN.
* Otherwise the state might still be WAIT_RESET_ACK */
f_sleep(0.2);
/* Verify BVCs, but ignore conflicting BVCI 23 */
/* verify SGSN-side BVC FSM in IUT are UNBLOCKED */
for (i := 0; i < lengthof(mp_nsconfig_sgsn); i := i+1) {
f_bvc_fsm_ensure_state(mp_nsconfig_sgsn[i].nsei, 0, "UNBLOCKED");
/* iterate over list and check all BVCI */
for (var integer j := 0; j < lengthof(g_sgsn[i].cfg.bvc); j := j+1) {
var BssgpBvci bvci := g_sgsn[i].cfg.bvc[j].bvci;
if (bvci == 23) {
continue;
}
f_bvc_fsm_ensure_state(mp_nsconfig_sgsn[i].nsei, bvci, "UNBLOCKED");
}
}
/* verify PCU-side BVC FSM in IUT are UNBLOCKED */
for (i := 0; i < lengthof(mp_nsconfig_pcu); i := i+1) {
f_bvc_fsm_ensure_state(mp_nsconfig_pcu[i].nsei, 0, "UNBLOCKED");
/* iterate over list and check all BVCI */
for (var integer j := 0; j < lengthof(g_pcu[i].cfg.bvc); j := j+1) {
var BssgpBvci bvci := g_pcu[i].cfg.bvc[j].bvci;
if (bvci == 23) {
continue;
}
f_bvc_fsm_ensure_state(mp_nsconfig_pcu[i].nsei, bvci, "UNBLOCKED");
}
}
/* re-start guard timer after all BVCs are up, so it only counts the actual test case */
g_Tguard.start(t_guard);
f_start_handlers(refers(f_TC_BVC_bringup), testcasename(), 51);
f_cleanup();
}
friend function f_bssgp_suspend(integer ran_idx := 0) runs on BSSGP_ConnHdlr return OCT1 {
var BssgpBvcConfig bvcc := g_pars.pcu[ran_idx].cfg.bvc[0];
timer T := 5.0;
@ -3592,6 +3703,10 @@ testcase TC_status_ptp_dl_bvci() runs on GlobalTest_CT
control {
execute( TC_BVC_bringup() );
/* Depends on osmo-gbproxy > 0.2.0 */
if (Misc_Helpers.f_osmo_repo_is("nightly")) {
execute( TC_BVC_bringup_conflicting() );
}
execute( TC_ul_unitdata() );
execute( TC_ul_unitdata_pool_failure() );
execute( TC_dl_unitdata() );