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neels gerrit-no-reply at lists.osmocom.orgneels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/19062 )
Change subject: bsc: retrieve System Information seen on RSL startup
......................................................................
bsc: retrieve System Information seen on RSL startup
Change-Id: I6a8ef404087efee491390dc1d2452ac323f145f0
---
M bsc/BSC_Tests.ttcn
1 file changed, 157 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/62/19062/1
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index f25c75d..f025eef 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -84,6 +84,35 @@
{ "mscpool:subscr:paged", 0 }
};
+
+/* One System Information payload as received on RSL.
+ * Note that some System Information may be sent on RSL, but lacking actual SI data, to indicate that the BTS should not
+ * broadcast that SI type.
+ */
+type record SystemInformation {
+ RSL_IE_SysinfoType si_type,
+ RSL_MessageType from_rsl_msg_type,
+ octetstring data optional
+}
+type set of SystemInformation SystemInformationConfig;
+type record of SystemInformationConfig SystemInformationConfig_list;
+
+const SystemInformationConfig SystemInformationConfig_default := {
+ { si_type := RSL_SYSTEM_INFO_1, from_rsl_msg_type := RSL_MT_BCCH_INFO, data := omit },
+ { si_type := RSL_SYSTEM_INFO_2, from_rsl_msg_type := RSL_MT_BCCH_INFO, data := omit },
+ { si_type := RSL_SYSTEM_INFO_2bis, from_rsl_msg_type := RSL_MT_BCCH_INFO, data := omit },
+ { si_type := RSL_SYSTEM_INFO_2quater, from_rsl_msg_type := RSL_MT_BCCH_INFO, data := omit },
+ { si_type := RSL_SYSTEM_INFO_2ter, from_rsl_msg_type := RSL_MT_BCCH_INFO, data := omit },
+ { si_type := RSL_SYSTEM_INFO_3, from_rsl_msg_type := RSL_MT_BCCH_INFO, data := omit },
+ { si_type := RSL_SYSTEM_INFO_4, from_rsl_msg_type := RSL_MT_BCCH_INFO, data := omit },
+ { si_type := RSL_SYSTEM_INFO_13, from_rsl_msg_type := RSL_MT_BCCH_INFO, data := omit },
+
+ { si_type := RSL_SYSTEM_INFO_5, from_rsl_msg_type := RSL_MT_SACCH_FILL, data := omit },
+ { si_type := RSL_SYSTEM_INFO_5bis, from_rsl_msg_type := RSL_MT_SACCH_FILL, data := omit },
+ { si_type := RSL_SYSTEM_INFO_5ter, from_rsl_msg_type := RSL_MT_SACCH_FILL, data := omit },
+ { si_type := RSL_SYSTEM_INFO_6, from_rsl_msg_type := RSL_MT_SACCH_FILL, data := omit }
+};
+
type component test_CT extends CTRL_Adapter_CT {
/* Array of per-BTS state */
var BTS_State bts[NUM_BTS];
@@ -117,6 +146,58 @@
timer T_guard := 30.0;
var CounterNameValsList g_ctr_msc;
+
+ /* System Information bytes as received during RSL startup, for each RSL[idx]. */
+ var SystemInformationConfig_list g_system_information := {};
+}
+
+private function f_sysinfo_seen(integer rsl_idx, in SystemInformation si) runs on test_CT
+{
+ log("RSL ", rsl_idx, ": got System Information ", si);
+ var integer idx := 0;
+ if (lengthof(g_system_information) > rsl_idx) {
+ idx := lengthof(g_system_information[rsl_idx]);
+ for (var integer i := 0; i < lengthof(g_system_information[rsl_idx]); i := i + 1) {
+ if (g_system_information[rsl_idx][i].si_type == si.si_type) {
+ idx := i;
+ break;
+ }
+ }
+ }
+ g_system_information[rsl_idx][idx] := si;
+}
+
+private function f_sysinfo_verify_presence(integer rsl_idx, SystemInformationConfig expected_types := SystemInformationConfig_default)
+runs on test_CT
+{
+ if (lengthof(expected_types) > 0
+ and (lengthof(g_system_information) < rsl_idx or lengthof(g_system_information[rsl_idx]) == 0)) {
+ setverdict(fail, "RSL ", rsl_idx, ": Expected to see ", lengthof(expected_types), " System Informations, but did not receive any");
+ return;
+ }
+
+ for (var integer i := 0; i < lengthof(expected_types); i := i + 1) {
+ var boolean found := false;
+ for (var integer j := 0; j < lengthof(g_system_information[rsl_idx]); j := j + 1) {
+ if (g_system_information[rsl_idx][j].si_type != expected_types[i].si_type) {
+ continue;
+ }
+ if (g_system_information[rsl_idx][j].from_rsl_msg_type != expected_types[i].from_rsl_msg_type) {
+ setverdict(fail, "RSL ", rsl_idx, ": Expected to see ", expected_types[i], " in ",
+ expected_types[i].from_rsl_msg_type, " but got it from ",
+ g_system_information[rsl_idx][j].from_rsl_msg_type);
+ return;
+ }
+ found := true;
+ break;
+ }
+ if (not found) {
+ setverdict(fail, "RSL ", rsl_idx, ": Expected to see ", expected_types[i], " during startup, but it was not sent");
+ return;
+ }
+ }
+ log("RSL ", rsl_idx, ": verified presence of ", lengthof(expected_types), " System Informations");
+ setverdict(pass);
}
modulepar {
@@ -425,6 +506,76 @@
f_vty_transceive(BSCVTY, "logp lglobal notice " & log_msg);
}
+private function f_rsl_get_sysinfo(RSL_Message rsl)
+return SystemInformation
+{
+ var SystemInformation ret;
+ var RSL_IE_Body sysinfo_type_ie;
+
+ if (f_rsl_find_ie(rsl, RSL_IE_SYSINFO_TYPE, sysinfo_type_ie) == false) {
+ setverdict(fail, "Cannot find RSL_IE_SYSINFO_TYPE");
+ mtc.stop;
+ }
+ ret.si_type := sysinfo_type_ie.sysinfo_type;
+ ret.from_rsl_msg_type := rsl.msg_type;
+
+ if (rsl.msg_type == RSL_MT_BCCH_INFO) {
+ var RSL_IE_Body bcch_ie;
+ if (f_rsl_find_ie(rsl, RSL_IE_FULL_BCCH_INFO, bcch_ie) == false) {
+ ret.data := omit;
+ } else {
+ ret.data := bcch_ie.other.payload;
+ }
+ } else if (rsl.msg_type == RSL_MT_SACCH_FILL) {
+ var RSL_IE_Body l3_ie;
+ if (f_rsl_find_ie(rsl, RSL_IE_L3_INFO, l3_ie) == false) {
+ ret.data := omit;
+ } else {
+ ret.data := l3_ie.l3_info.payload;
+ }
+ }
+ return ret;
+}
+
+altstep as_catch_RSL_sysinfo(integer rsl_idx) runs on test_CT {
+ var ASP_RSL_Unitdata rx_rsl_ud;
+ /* For handler_mode := false, receiving the RSL bootstrap messages directly on IPA_RSL */
+ [] IPA_RSL[rsl_idx].receive(tr_ASP_RSL_UD(tr_RSL_NO_BCCH_INFO)) -> value rx_rsl_ud {
+ f_sysinfo_seen(rsl_idx, f_rsl_get_sysinfo(rx_rsl_ud.rsl));
+ repeat;
+ }
+ [] IPA_RSL[rsl_idx].receive(tr_ASP_RSL_UD(tr_RSL_BCCH_INFO)) -> value rx_rsl_ud {
+ f_sysinfo_seen(rsl_idx, f_rsl_get_sysinfo(rx_rsl_ud.rsl));
+ repeat;
+ }
+ [] IPA_RSL[rsl_idx].receive(tr_ASP_RSL_UD(tr_RSL_NO_SACCH_FILL)) -> value rx_rsl_ud {
+ f_sysinfo_seen(rsl_idx, f_rsl_get_sysinfo(rx_rsl_ud.rsl));
+ repeat;
+ }
+ [] IPA_RSL[rsl_idx].receive(tr_ASP_RSL_UD(tr_RSL_SACCH_FILL)) -> value rx_rsl_ud {
+ f_sysinfo_seen(rsl_idx, f_rsl_get_sysinfo(rx_rsl_ud.rsl));
+ repeat;
+ }
+
+ /* For handler_mode := true, receiving the RSL bootstrap messages via RSL_Emulation */
+ [] RSL_CCHAN[rsl_idx].receive(tr_ASP_RSL_UD(tr_RSL_NO_BCCH_INFO)) -> value rx_rsl_ud {
+ f_sysinfo_seen(rsl_idx, f_rsl_get_sysinfo(rx_rsl_ud.rsl));
+ repeat;
+ }
+ [] RSL_CCHAN[rsl_idx].receive(tr_ASP_RSL_UD(tr_RSL_BCCH_INFO)) -> value rx_rsl_ud {
+ f_sysinfo_seen(rsl_idx, f_rsl_get_sysinfo(rx_rsl_ud.rsl));
+ repeat;
+ }
+ [] RSL_CCHAN[rsl_idx].receive(tr_ASP_RSL_UD(tr_RSL_NO_SACCH_FILL)) -> value rx_rsl_ud {
+ f_sysinfo_seen(rsl_idx, f_rsl_get_sysinfo(rx_rsl_ud.rsl));
+ repeat;
+ }
+ [] RSL_CCHAN[rsl_idx].receive(tr_ASP_RSL_UD(tr_RSL_SACCH_FILL)) -> value rx_rsl_ud {
+ f_sysinfo_seen(rsl_idx, f_rsl_get_sysinfo(rx_rsl_ud.rsl));
+ repeat;
+ }
+}
+
/* global initialization function
* \param nr_bts Number of BTSs we should start/bring up
* \param handler_mode Start an RSL_Emulation_CT component (true) or not (false).
@@ -472,10 +623,16 @@
for (i := 0; i < nr_bts; i := i+1) {
/* wait until osmo-bts-omldummy has respawned */
f_wait_oml(i, "degraded", 5.0);
+
+ var default sysinfo := activate(as_catch_RSL_sysinfo(i));
+
/* start RSL connection */
f_ipa_rsl_start(bts[i].rsl, mp_bsc_ip, mp_bsc_rsl_port, i, handler_mode);
/* wait until BSC tells us "connected" */
f_wait_oml(i, "connected", 5.0);
+
+ deactivate(sysinfo);
+ f_sysinfo_verify_presence(i);
}
}
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I6a8ef404087efee491390dc1d2452ac323f145f0
Gerrit-Change-Number: 19062
Gerrit-PatchSet: 1
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-MessageType: newchange
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