pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/42132?usp=email )
Change subject: hnbgw: Introduce test TC_pfcp_heartbeat_recovery_timestamp
......................................................................
hnbgw: Introduce test TC_pfcp_heartbeat_recovery_timestamp
Related: SYS#7294
Change-Id: I3f8098d7a34666961437fecc5100422a5e7436a4
---
M hnbgw/HNBGW_Tests.ttcn
M hnbgw/expected-results.xml
2 files changed, 71 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/32/42132/1
diff --git a/hnbgw/HNBGW_Tests.ttcn b/hnbgw/HNBGW_Tests.ttcn
index 30e5b33..996b846 100644
--- a/hnbgw/HNBGW_Tests.ttcn
+++ b/hnbgw/HNBGW_Tests.ttcn
@@ -2765,6 +2765,75 @@
f_shutdown_helper();
}
+/* Validate IUT detects PFCP Heartbeat Recovery Timestamp change and recovers
from it tearing down
+ * existing subscriber connections: */
+private function f_TC_pfcp_heartbeat_recovery_timestamp(charstring id) runs on
ConnHdlr {
+ var RANAP_PDU tx;
+ var PDU_PFCP rx_pfcp, tx_pfcp;
+ var StatsDExpects expect_disconnected := {
+ {name := f_upf_ctr_prefix(0) & "pfcp_associated", mtype := "g",
min := 0, max := 0}
+ };
+ var StatsDExpects expect_connected := {
+ {name := f_upf_ctr_prefix(0) & "pfcp_associated", mtype := "g",
min := 1, max := 1}
+ };
+ f_statsd_reset();
+
+ /* ask PFCPEM to route all PDUs to us */
+ f_PFCPEM_subscribe_bcast();
+ var integer recovery := f_PFCPEM_get_recovery_timestamp();
+
+ PFCP.receive(tr_PFCP_Heartbeat_Req) -> value rx_pfcp;
+ tx_pfcp := valueof(ts_PFCP_Heartbeat_Resp(recovery));
+ tx_pfcp.sequence_number := rx_pfcp.sequence_number;
+ PFCP.send(tx_pfcp);
+
+ tx := f_build_initial_ue(g_pars);
+ f_iuh2iu_connect(tx);
+ f_create_rab_ps();
+
+ recovery := recovery + 1;
+ PFCP.receive(tr_PFCP_Heartbeat_Req) -> value rx_pfcp;
+ tx_pfcp := valueof(ts_PFCP_Heartbeat_Resp(recovery));
+ tx_pfcp.sequence_number := rx_pfcp.sequence_number;
+ PFCP.send(tx_pfcp);
+
+ /* Wait for IUT to detect peer went down after Heartbeat Response with
changed Recovery: */
+ f_statsd_expect(expect_disconnected, wait_converge := true);
+
+ /* Expect tear down of existing conns from IUT: */
+ RUA.receive(RUA_Disc_Ind:?);
+ RAN_CONN.receive(tr_MSC_CONN_PRIM_DISC_IND);
+ as_pfcp_handle_del_req();
+
+ /* ask PFCPEM to *not* route all PDUs to us anymore */
+ f_PFCPEM_unsubscribe_bcast();
+
+ /* Wait for a 2nd ASSOC SETUP REQ after Recovery triggered: */
+ f_pfcp_wait_assoc_setup_req(fail_timeout := true, fail_rx_others :=
false);
+ /* After we answer the ASSOC SETUP RESP, IUT detects peer up: */
+ f_statsd_expect(expect_connected, wait_converge := true);
+
+ /* Let RAN_Emulation some time to answer RLSD with RLC: */
+ f_sleep(1.0);
+}
+testcase TC_pfcp_heartbeat_recovery_timestamp() runs on test_CT {
+ var ConnHdlr vc_conn;
+ var float guard_timeout := 90.0;
+
+ g_num_hnbs := 1;
+ g_statd_timeout := 45.0;
+ g_pfcp_answer_heartbeat_req := false;
+ f_init(guard_timeout := guard_timeout);
+ f_sleep(1.0);
+
+ vc_conn :=
f_start_handler_with_pars(refers(f_TC_pfcp_heartbeat_recovery_timestamp),
+ f_TestHdlrParams(8, ps_domain :=
true,
+ t_guard :=
guard_timeout));
+ vc_conn.done;
+
+ f_shutdown_helper();
+}
+
control {
execute(TC_hnb_register());
execute(TC_hnb_register_duplicate());
@@ -2837,6 +2906,7 @@
if (mp_enable_pfcp_tests) {
execute(TC_pfcp_heartbeat_timeout());
+ execute(TC_pfcp_heartbeat_recovery_timestamp());
}
/* Run at the end since it messes with the SCCP config */
diff --git a/hnbgw/expected-results.xml b/hnbgw/expected-results.xml
index 4c43e8f..77f260d 100644
--- a/hnbgw/expected-results.xml
+++ b/hnbgw/expected-results.xml
@@ -66,5 +66,6 @@
<testcase classname='HNBGW_Tests' name='TC_hnb_reregister_reuse_sctp_assoc'
time='MASKED'/>
<testcase classname='HNBGW_Tests' name='TC_stat_stp_sctp_disconnected'
time='MASKED'/>
<testcase classname='HNBGW_Tests' name='TC_pfcp_heartbeat_timeout'
time='MASKED'/>
+ <testcase classname='HNBGW_Tests'
name='TC_pfcp_heartbeat_recovery_timestamp' time='MASKED'/>
<testcase classname='HNBGW_Tests' name='TC_apply_sccp' time='MASKED'/>
</testsuite>
--
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Gerrit-MessageType: newchange
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I3f8098d7a34666961437fecc5100422a5e7436a4
Gerrit-Change-Number: 42132
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
