cbc: Send Write-Replace-Warn-Ind after ACKing the request
This way we can test how does osmo-cbc behave when receiving such
message.
Related: OS#4945
Change-Id: Ifcdcddc7dccb5439126a5fa29bb540669ed25908
diff --git a/cbc/CBC_Tests.ttcn b/cbc/CBC_Tests.ttcn
index 76fc3be..8e7e1c5 100644
--- a/cbc/CBC_Tests.ttcn
+++ b/cbc/CBC_Tests.ttcn
@@ -115,7 +115,9 @@
cbc_host := cbc_host,
cbc_sbcap_port := cbc_sbcap_port,
start_fn := refers(f_MME_ConnHdlr_start_fn_void),
- exp_cbs_msg := omit
+ exp_cbs_msg := omit,
+ write_replace_warning_ind_cause := omit,
+ bcast_cell_id_list := omit
};
return pars;
}
@@ -298,6 +300,12 @@
private function f_mme_create_and_delete() runs on MME_ConnHdlr {
f_sbcap_handle_write_replace_warn_req(g_pars.exp_cbs_msg, 0);
+ if (ispresent(g_pars.write_replace_warning_ind_cause) and
+ ispresent(g_pars.bcast_cell_id_list)) {
+ f_sbcap_tx_write_replace_warn_ind(0, g_pars.exp_cbs_msg,
+ g_pars.write_replace_warning_ind_cause,
+ g_pars.bcast_cell_id_list)
+ }
f_sbcap_handle_stop_warn_req(0, g_pars.exp_cbs_msg);
}
@@ -411,10 +419,33 @@
f_shutdown_helper();
}
+/* Create and delete message with MME available. MME reports
+ * Write-Replace-Warning-Indication and Stop-Warning-Indication to CBC
+ */
+testcase TC_ecbe_create_delete_mme_indication() runs on test_CT {
+ var template (value) CellId_Broadcast_List bcast_cell_id_li;
+ var template (value) CBS_Message msg := t_CBSmsg(48, 16752);
+
+ f_init(num_bsc := 0, num_mme := 1);
+
+ bcast_cell_id_li := {
+ ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234)),
+ ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 5678))
+ };
+ g_pars_MME[0].start_fn := refers(f_mme_create_and_delete);
+ g_pars_MME[0].exp_cbs_msg := valueof(msg);
+ g_pars_MME[0].write_replace_warning_ind_cause := SBC_AP_Cause_message_accepted;
+ g_pars_MME[0].bcast_cell_id_list := valueof(bcast_cell_id_li);
+ f_start();
+ f_create_and_delete(valueof(msg));
+ f_shutdown_helper();
+}
+
/* Create and delete message with both BSC and MME available */
testcase TC_ecbe_create_delete_bsc_and_mme() runs on test_CT {
f_init(num_bsc := 1, num_mme := 1);
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list_success;
+ var template (value) CellId_Broadcast_List bcast_cell_id_li;
var template (value) CBS_Message msg := t_CBSmsg(43, 16752);
cell_list_success := ts_BSSMAP_CIL_CGI({
@@ -425,8 +456,14 @@
g_pars_BSC[0].start_fn := refers(f_bsc_create_and_delete);
g_pars_BSC[0].exp_cbs_msg := valueof(msg);
g_pars_BSC[0].cell_list_success := valueof(cell_list_success);
+
+ bcast_cell_id_li := {
+ ts_SBCAP_CellId_Broadcast_List_Item(ts_SBCAP_ECGI(f_enc_mcc_mnc('901'H, '70'H), 1234))
+ };
g_pars_MME[0].start_fn := refers(f_mme_create_and_delete);
g_pars_MME[0].exp_cbs_msg := valueof(msg);
+ g_pars_MME[0].write_replace_warning_ind_cause := SBC_AP_Cause_message_accepted;
+ g_pars_MME[0].bcast_cell_id_list := valueof(bcast_cell_id_li);
f_start();
f_create_and_delete(valueof(msg));
f_shutdown_helper();
@@ -440,6 +477,7 @@
execute( TC_ecbe_create_delete_lac() );
execute( TC_ecbe_create_delete_ci() );
execute( TC_ecbe_create_delete_lai() );
+ execute( TC_ecbe_create_delete_mme_indication() );
execute( TC_ecbe_create_delete_bsc_and_mme() );
}
diff --git a/cbc/MME_ConnectionHandler.ttcn b/cbc/MME_ConnectionHandler.ttcn
index 055aaa3..fec358c 100644
--- a/cbc/MME_ConnectionHandler.ttcn
+++ b/cbc/MME_ConnectionHandler.ttcn
@@ -35,7 +35,9 @@
charstring cbc_host,
integer cbc_sbcap_port,
void_fn start_fn,
- CBS_Message exp_cbs_msg optional
+ CBS_Message exp_cbs_msg optional,
+ SBC_AP_Cause write_replace_warning_ind_cause optional,
+ CellId_Broadcast_List bcast_cell_id_list optional
};
function f_MME_ConnHdlr_main(charstring id, MME_ConnHdlrPars pars) runs on MME_ConnHdlr {
@@ -53,6 +55,17 @@
f_SBC_AP_send(tx, idx);
}
+function f_sbcap_tx_write_replace_warn_ind(integer idx := 0, CBS_Message msg,
+ SBC_AP_Cause cause,
+ template (value) CellId_Broadcast_List bcast_cell_id_li)
+runs on MME_ConnHdlr {
+ var template (value) SBC_AP_PDU tx;
+ tx := ts_SBCAP_WRITE_WARNING_IND(int2bit(msg.msg_id, 16),
+ int2bit(msg.ser_nr, 16),
+ cause, bcast_cell_id_li);
+ f_SBC_AP_send(tx, idx);
+}
+
function f_sbcap_tx_stop_warn_resp(integer idx := 0, CBS_Message msg)
runs on MME_ConnHdlr {
var template (value) SBC_AP_PDU tx;
diff --git a/library/sbcap/SBC_AP_Templates.ttcn b/library/sbcap/SBC_AP_Templates.ttcn
index d5f2471..0a9519e 100644
--- a/library/sbcap/SBC_AP_Templates.ttcn
+++ b/library/sbcap/SBC_AP_Templates.ttcn
@@ -11,6 +11,28 @@
import from SBC_AP_Types all;
+/* 3GPP TS 36.413 9.2.1.38 */
+template (value) EUTRAN_CGI ts_SBCAP_ECGI(PLMNidentity plmn_id := '09F107'O, integer cell_id := 1) := {
+ pLMNidentity := plmn_id,
+ cell_ID := int2bit(cell_id, 28),
+ iE_Extensions := omit
+}
+
+/* 3GPP TS 36.413 9.2.1.54 */
+template (value) CellId_Broadcast_List_Item ts_SBCAP_CellId_Broadcast_List_Item(
+ template (value) EUTRAN_CGI ecgi := ts_SBCAP_ECGI()) := {
+ eCGI := ecgi,
+ iE_Extensions := omit
+}
+template (value) Broadcast_Scheduled_Area_List ts_SBCAP_Broadcast_Scheduled_Area_List(
+ template (value) CellId_Broadcast_List cell_id_li := {ts_SBCAP_CellId_Broadcast_List_Item()})
+:= {
+ cellId_Broadcast_List := cell_id_li,
+ tAI_Broadcast_List := omit,
+ emergencyAreaID_Broadcast_List := omit,
+ iE_Extensions := omit
+}
+
template (value) SBC_AP_PDU
ts_SBCAP_PWS_RESTART(
template (value) Restarted_Cell_List restart_cl,
@@ -190,6 +212,37 @@
}
}
+/* 4.3.4.2.5 WRITE REPLACE WARNING INDICATION */
+template (value) SBC_AP_PDU
+ts_SBCAP_WRITE_WARNING_IND(template (value) BIT16 p_msg_id, template (value) BIT16 p_ser_nr,
+ template (value) SBC_AP_Cause cause := SBC_AP_Cause_message_accepted,
+ template (value) CellId_Broadcast_List bcast_cell_id_li := {ts_SBCAP_CellId_Broadcast_List_Item()}) := {
+ initiatingMessage := {
+ procedureCode := id_Write_Replace_Warning_Indication,
+ criticality := ignore,
+ value_ := {
+ write_Replace_Warning_Indication := {
+ protocolIEs := {
+ {
+ id := SBC_AP_Constants.id_Message_Identifier,
+ criticality := reject,
+ value_ := { Message_Identifier := p_msg_id }
+ }, {
+ id := SBC_AP_Constants.id_Serial_Number,
+ criticality := reject,
+ value_ := { Serial_Number := p_ser_nr }
+ }, {
+ id := SBC_AP_Constants.id_Broadcast_Scheduled_Area_List,
+ criticality := reject,
+ value_ := { broadcast_Scheduled_Area_List := ts_SBCAP_Broadcast_Scheduled_Area_List(bcast_cell_id_li) }
+ }
+ },
+ protocolExtensions := omit
+ }
+ }
+ }
+}
+
/* 4.3.4.2.3 STOP WARNING REQUEST */
template (value) SBC_AP_PDU
ts_SBCAP_WRITE_WARNING_RESP(template (value) BIT16 p_msg_id, template (value) BIT16 p_ser_nr,