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BSC_Tests_CBSP.ttcn
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BSC_Tests_CBSP.ttcn
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module BSC_Tests_CBSP {
/* CBSP Integration Tests for OsmoBSC
* (C) 2019 by Harald Welte <[email protected]>
* All rights reserved.
*
* Released under the terms of GNU General Public License, Version 2 or
* (at your option) any later version.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This test suite tests OsmoBSC while emulating the CBC (Cell Broadcast Centre)
*/
import from BSC_Tests all;
import from General_Types all;
import from Osmocom_Types all;
import from GSM_Types all;
import from IPL4asp_Types all;
import from BSSAP_Types all;
import from BSSMAP_Templates all;
import from IPA_Emulation all;
import from IPA_CodecPort all;
import from IPA_Types all;
import from MobileL3_Types all;
import from MobileL3_RRM_Types all;
import from L3_Templates all;
import from RSL_Types all;
import from RSL_Emulation all;
import from CBSP_Types all;
import from CBSP_Templates all;
import from CBSP_Adapter all;
import from CBSP_CodecPort all;
import from Osmocom_VTY_Functions all;
import from TELNETasp_PortType all;
import from Osmocom_CTRL_Functions all;
import from Osmocom_CTRL_Types all;
import from Osmocom_CTRL_Adapter all;
modulepar {
charstring mp_cbc_ip := "127.0.0.1";
charstring mp_cbc_ip6 := "::1";
integer mp_cbc_port := 48049;
charstring mp_bsc_cbsp_ip := "127.0.0.1";
charstring mp_bsc_cbsp_ip6 := "::1";
integer mp_bsc_cbsp_port := 48050;
/* port number to which to establish the IPA CTRL connection */
integer mp_bsc_ctrl_port := 4249;
/* BTS 0: 001-01-1-0 with CBCH
* BTS 1: 001-01-1-1 with CBCH
* BTS 2: 001-01-2-1 with CBCH
* BTS 3: 001-01-2-3 without CBCH */
GsmCgiAbstract mp_cgi_bts0 := { '001'H, '01'H, 1, 0 };
GsmCgiAbstract mp_cgi_bts1 := { '001'H, '01'H, 1, 1 };
GsmCgiAbstract mp_cgi_bts2 := { '001'H, '01'H, 2, 1 };
GsmCgiAbstract mp_cgi_bts3 := { '001'H, '01'H, 2, 3 };
}
type record CBSP_Pars {
boolean tcp_client,
charstring local_ip,
integer local_port,
charstring remote_ip,
integer remote_port,
uint16_t cbsp_msg_id optional, /*server mode only */
uint16_t cbsp_ser_no optional /*server mode only */
};
private template (value) CBSP_Pars ts_CBSP_Pars_default(boolean tcp_client := true,
template (omit) uint16_t cbsp_msg_id := omit,
template (omit) uint16_t cbsp_ser_no := omit) := {
tcp_client := tcp_client,
local_ip := mp_cbc_ip,
local_port := mp_cbc_port,
remote_ip := mp_bsc_cbsp_ip,
remote_port := mp_bsc_cbsp_port,
cbsp_msg_id := cbsp_msg_id,
cbsp_ser_no := cbsp_ser_no
};
private type record GsmCgiAbstract {
GsmMcc mcc,
GsmMnc mnc,
GsmLac lac,
GsmCellId ci
};
private template (value) BSSMAP_FIELD_CellIdentification_CGI bssmap_cgi(GsmCgiAbstract cgi) :=
ts_BSSMAP_CI_CGI(cgi.mcc, cgi.mnc, cgi.lac, cgi.ci);
private template (value) BSSMAP_FIELD_CellIdentification_LAC_CI bssmap_lac_ci(GsmCgiAbstract cgi) :=
ts_BSSMAP_CI_LAC_CI(cgi.lac, cgi.ci);
private template (value) BSSMAP_FIELD_CellIdentification_LAI bssmap_lai(GsmCgiAbstract cgi) :=
ts_BSSMAP_CI_LAI(cgi.mcc, cgi.mnc, cgi.lac);
private template (value) OCT2 bssmap_lac(GsmCgiAbstract cgi) := ts_BSSMAP_CI_LAC(cgi.lac);
private template (value) OCT2 bssmap_ci(GsmCgiAbstract cgi) := ts_BSSMAP_CI_CI(cgi.ci);
type component cbsp_test_CT extends test_CT, CBSP_Adapter_CT {
var CBSP_Pars g_pars;
var uint16_t g_cbsp_msg_id := 0;
var uint16_t g_cbsp_ser_no := 0;
}
private function f_g_cbsp_next_msg_id_ser_no() runs on cbsp_test_CT
{
g_cbsp_msg_id := g_cbsp_msg_id + 1;
g_cbsp_ser_no := g_cbsp_ser_no + 1;
log("g_cbsp_msg_id=", g_cbsp_msg_id, " g_cbsp_ser_no=", g_cbsp_ser_no);
}
private altstep as_IgnRSL(template (present) RSL_Message tr) runs on cbsp_test_CT {
[] IPA_RSL[0][0].receive(tr_ASP_RSL_UD(tr)) { repeat; }
[] IPA_RSL[1][0].receive(tr_ASP_RSL_UD(tr)) { repeat; }
[] IPA_RSL[2][0].receive(tr_ASP_RSL_UD(tr)) { repeat; }
}
private altstep as_FailRSL() runs on cbsp_test_CT {
var template (present) RSL_Message tr := (tr_RSL_SMSCB_CMD);
var ASP_RSL_Unitdata rx;
[] IPA_RSL[0][0].receive(tr_ASP_RSL_UD(tr)) -> value rx {
setverdict(fail, "Received unexpected RSL ", rx);
mtc.stop;
}
[] IPA_RSL[1][0].receive(tr_ASP_RSL_UD(tr)) -> value rx {
setverdict(fail, "Received unexpected RSL ", rx);
mtc.stop;
}
[] IPA_RSL[2][0].receive(tr_ASP_RSL_UD(tr)) -> value rx {
setverdict(fail, "Received unexpected RSL ", rx);
mtc.stop;
}
}
private function f_vty_configure_cbsp() runs on cbsp_test_CT {
f_vty_enter_config(BSCVTY);
f_vty_transceive(BSCVTY, "cbc");
/* Move to disabled in order to force socker recreating later */
f_vty_transceive(BSCVTY, "mode disabled");
/* Configure IP addresses */
if (g_pars.tcp_client) {
f_vty_transceive(BSCVTY, "server");
f_vty_transceive(BSCVTY, "local-ip " & g_pars.remote_ip);
f_vty_transceive(BSCVTY, "exit");
f_vty_transceive(BSCVTY, "mode server");
} else {
f_vty_transceive(BSCVTY, "client");
f_vty_transceive(BSCVTY, "local-ip " & g_pars.remote_ip);
f_vty_transceive(BSCVTY, "remote-ip " & g_pars.local_ip);
f_vty_transceive(BSCVTY, "exit");
f_vty_transceive(BSCVTY, "mode client");
}
f_vty_transceive(BSCVTY, "exit");
f_vty_transceive(BSCVTY, "exit");
}
private function f_init(float guard_timeout := 30.0) runs on cbsp_test_CT {
BSC_Tests.f_init(guard_timeout := guard_timeout);
activate(as_IgnRSL((tr_RSL_BCCH_INFO, tr_RSL_SACCH_FILL,
tr_RSL_NO_BCCH_INFO, tr_RSL_NO_SACCH_FILL,
tr_RSL_MsgTypeD(?))));
activate(as_FailRSL());
f_vty_configure_cbsp();
if (g_pars.tcp_client) {
f_cbsp_init_client();
} else {
f_cbsp_init_server();
}
}
private function f_cbsp_init_client() runs on cbsp_test_CT {
CBSP_Adapter.f_connect(g_pars.remote_ip, g_pars.remote_port, g_pars.local_ip, 0);
CBSP[0].receive(tr_CBSP_Recv(?, tr_CBSP_RESTART(?, CBSP_BC_MSGT_CBS, ?)));
setverdict(pass);
}
private function f_cbsp_init_server(float guard_timeout := 30.0) runs on cbsp_test_CT {
var ASP_Event asp_evt;
timer T := 10.0;
CBSP_Adapter.f_bind(g_pars.local_ip, g_pars.local_port);
T.start;
alt {
[] CBSP[0].receive(ASP_Event:{connOpened:=?}) -> value asp_evt {
g_cbsp_conn_id[0] := asp_evt.connOpened.connId;
}
[] T.timeout {
setverdict(fail, "Timeout waiting for incoming connection to CBSP Port");
mtc.stop;
}
}
f_expect_cbsp_restart();
g_cbsp_msg_id := g_pars.cbsp_msg_id;
g_cbsp_ser_no := g_pars.cbsp_ser_no;
log("g_cbsp_msg_id=", g_cbsp_msg_id, " g_cbsp_ser_no=", g_cbsp_ser_no);
f_cbsp_reset_bss(0);
}
private function f_expect_cbsp_restart() runs on cbsp_test_CT {
interleave {
[] CBSP[0].receive(tr_CBSP_Recv(?, tr_CBSP_RESTART(?, CBSP_BC_MSGT_CBS, CBSP_RI_DATA_LOST)));
/* should we also expect a restart for emergency related messages? */
//[] CBSP[0].receive(tr_CBSP_Recv(?, tr_CBSP_RESTART(?, CBSP_BC_MSGT_EMERG, CBSP_RI_DATA_LOST)));
}
}
/* Generate a CBSP payload: random size for payload_len == 0, or specific fixed size for payload_len > 0. */
function f_gen_page(integer payload_len := 0) return CBSP_IE {
if (payload_len < 1) {
/* The maximum CBSP page payload space is 88, but 6 bytes of payload header are added in the first page:
* the maximum length generated here thus is 82. The minimum generated length is 1 (avoiding zero
* length). Note, f_rnd_int(82) returns [0..81], so this results in a len ranging [1..82]: */
payload_len := 1 + f_rnd_int(82);
}
log("Generating CBSP payload: ", payload_len, " octets");
var octetstring payload := f_rnd_octstring(payload_len);
return valueof(ts_CbspMsgContent(payload, payload_len));
}
function f_cbsp_reset_bss(integer idx) runs on cbsp_test_CT {
/* Make sure no CBSP ETWS commands from a previous CBSP test remain in the RSL queue */
IPA_RSL[0][0].clear;
IPA_RSL[1][0].clear;
IPA_RSL[2][0].clear;
var template (value) CBSP_PDU tx;
timer T := 3.0;
tx := ts_CBSP_RESET(cell_list := ts_BSSMAP_CIL_BSS);
CBSP[idx].clear;
CBSP[idx].send(ts_CBSP_Send(g_cbsp_conn_id[idx], tx));
T.start;
alt {
[] CBSP[idx].receive(tr_CBSP_Recv(?, tr_CBSP_RESET_COMPL(cell_list := ts_BSSMAP_CIL_BSS)));
[] CBSP[idx].receive {
setverdict(fail, "received unexpected CBSP");
mtc.stop;
}
[] T.timeout {
setverdict(fail, "timeout waiting for RESET COMPLETE");
mtc.stop;
}
}
f_cbsp_expect_disable_etws_pn_broadcast();
}
function f_cbsp_expect_disable_etws_pn_broadcast() runs on cbsp_test_CT
{
var template ASP_RSL_Unitdata zero_payload := tr_ASP_RSL_UD(tr_RSL_OSMO_ETWS_CMD(t_RslChanNr_PCH_AGCH(0), ''O));
interleave {
[] IPA_RSL[0][0].receive(zero_payload) { log("CBSP: disabled ETWS PN broadcast on bts 0"); }
[] IPA_RSL[1][0].receive(zero_payload) { log("CBSP: disabled ETWS PN broadcast on bts 1"); }
[] IPA_RSL[2][0].receive(zero_payload) { log("CBSP: disabled ETWS PN broadcast on bts 2"); }
}
}
/* send a WRITE CBS to the BSC; expect either COMPLETE or FAILURE in response*/
function f_cbsp_write_emerg(uint16_t msg_id, uint16_t ser_no,
template (value) BSSMAP_FIELD_CellIdentificationList cell_list := ts_BSSMAP_CIL_BSS,
template (value) uint8_t emerg_ind := 1,
template (value) uint16_t warn_type := oct2int('0780'O),
template (value) uint16_t warn_per := 5,
template BSSMAP_FIELD_CellIdentificationList success_list := ?,
template CBSP_FailureListItems fail_list := omit) runs on cbsp_test_CT {
var template (value) CBSP_PDU tx;
var template CBSP_PDU rx;
var CBSP_IEs pages := {f_gen_page()};
tx := ts_CBSP_WRITE_EMERG(msg_id, ser_no, cell_list, emerg_ind, warn_type, warn_per);
CBSP[0].send(ts_CBSP_Send(g_cbsp_conn_id[0], tx));
if (istemplatekind(fail_list, "omit")) {
rx := tr_CBSP_WRITE_EMERG_COMPL(msg_id, ser_no, success_list);
} else {
rx := tr_CBSP_WRITE_EMERG_FAIL(msg_id, ser_no, fail_list, *, success_list);
}
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
}
/* send a WRITE CBS to the BSC; expect either COMPLETE or FAILURE in response*/
function f_cbsp_write(uint16_t msg_id, uint16_t ser_no,
template (value) BSSMAP_FIELD_CellIdentificationList cell_list := ts_BSSMAP_CIL_BSS,
template (value) CBSP_Category category := CBSP_CATEG_NORMAL,
uint16_t rep_period := 10, uint16_t num_bcast_req := 1,
uint8_t dcs := 0, uint8_t channel_ind := 0, CBSP_IEs content,
template BSSMAP_FIELD_CellIdentificationList success_list := ?,
template CBSP_FailureListItems fail_list := omit) runs on cbsp_test_CT {
var template (value) CBSP_PDU tx;
var template CBSP_PDU rx;
tx := ts_CBSP_WRITE_CBS(msg_id, ser_no, cell_list, channel_ind, category,
rep_period, num_bcast_req, dcs, content);
CBSP[0].send(ts_CBSP_Send(g_cbsp_conn_id[0], tx));
if (istemplatekind(fail_list, "omit")) {
rx := tr_CBSP_WRITE_CBS_COMPL(msg_id, ser_no, success_list, channel_ind);
} else {
rx := tr_CBSP_WRITE_CBS_FAIL(msg_id, ser_no, fail_list, *, success_list, channel_ind);
}
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
}
/* send a REPLACE emergency to the BSC; expect either COMPLETE or FAILURE in response*/
function f_cbsp_replace_emerg(uint16_t msg_id, uint16_t new_ser_no, uint16_t old_ser_no,
template (value) BSSMAP_FIELD_CellIdentificationList cell_list := ts_BSSMAP_CIL_BSS,
template (value) uint8_t emerg_ind := 1,
template (value) uint16_t warn_type := oct2int('0780'O),
template (value) uint16_t warn_per := 5,
template BSSMAP_FIELD_CellIdentificationList success_list := ?,
template CBSP_FailureListItems fail_list := omit) runs on cbsp_test_CT {
var template (value) CBSP_PDU tx;
var template CBSP_PDU rx;
var CBSP_IEs pages := {f_gen_page()};
tx := ts_CBSP_REPLACE_EMERG(msg_id, new_ser_no, old_ser_no, cell_list, emerg_ind, warn_type, warn_per);
CBSP[0].send(ts_CBSP_Send(g_cbsp_conn_id[0], tx));
if (istemplatekind(fail_list, "omit")) {
rx := tr_CBSP_REPLACE_EMERG_COMPL(msg_id, new_ser_no, old_ser_no, success_list);
} else {
rx := tr_CBSP_REPLACE_EMERG_FAIL(msg_id, new_ser_no, old_ser_no, fail_list, omit, success_list);
}
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
}
/* send a REPLACE CBS to the BSC; expect either COMPLETE or FAILURE in response*/
function f_cbsp_replace(uint16_t msg_id, uint16_t new_ser_no, uint16_t old_ser_no,
template (value) BSSMAP_FIELD_CellIdentificationList cell_list := ts_BSSMAP_CIL_BSS,
template (value) CBSP_Category category := CBSP_CATEG_NORMAL,
uint16_t rep_period := 10, uint16_t num_bcast_req := 1,
uint8_t dcs := 0, uint8_t channel_ind := 0, CBSP_IEs content,
template BSSMAP_FIELD_CellIdentificationList success_list := ?,
template CBSP_FailureListItems fail_list := omit) runs on cbsp_test_CT {
var template (value) CBSP_PDU tx;
var template CBSP_PDU rx;
tx := ts_CBSP_REPLACE_CBS(msg_id, new_ser_no, old_ser_no, cell_list, channel_ind, category,
rep_period, num_bcast_req, dcs, content);
CBSP[0].send(ts_CBSP_Send(g_cbsp_conn_id[0], tx));
if (istemplatekind(fail_list, "omit")) {
rx := tr_CBSP_REPLACE_CBS_COMPL(msg_id, new_ser_no, old_ser_no, ?, success_list,
channel_ind);
} else {
rx := tr_CBSP_REPLACE_CBS_FAIL(msg_id, new_ser_no, old_ser_no, fail_list, *, success_list,
channel_ind);
}
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
}
/* send a KILL CBS to the BSC; expect either COMPLETE or FAILURE in response*/
function f_cbsp_kill(uint16_t msg_id, uint16_t ser_no, template (omit) uint8_t channel_ind := 0,
template (value) BSSMAP_FIELD_CellIdentificationList cell_list := ts_BSSMAP_CIL_BSS,
template BSSMAP_FIELD_CellIdentificationList success_list := ?,
template CBSP_IE_NumBcastComplList compl_list := *,
template CBSP_FailureListItems fail_list := omit) runs on cbsp_test_CT
{
var template (value) CBSP_PDU tx;
var template CBSP_PDU rx;
tx := ts_CBSP_KILL(msg_id, ser_no, cell_list, channel_ind);
CBSP[0].send(ts_CBSP_Send(g_cbsp_conn_id[0], tx));
if (istemplatekind(fail_list, "omit")) {
rx := tr_CBSP_KILL_COMPL(msg_id, ser_no, compl_list:=compl_list, cell_list:=success_list,
channel_ind:=channel_ind);
} else {
rx := tr_CBSP_KILL_FAIL(msg_id, ser_no, fail_list, compl_list:=compl_list, cell_list:=success_list,
channel_ind:=channel_ind);
}
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
}
/* send a KILL CBS to the BSC; expect either COMPLETE or FAILURE in response*/
function f_cbsp_msg_status_query(uint16_t msg_id, uint16_t ser_no, template (value) uint8_t channel_ind := 0,
template (value) BSSMAP_FIELD_CellIdentificationList cell_list := ts_BSSMAP_CIL_BSS,
template CBSP_IE_NumBcastComplList compl_list := ?,
template CBSP_FailureListItems fail_list := omit) runs on cbsp_test_CT
{
var template (value) CBSP_PDU tx;
var template CBSP_PDU rx;
tx := ts_CBSP_MSG_STATUS_QUERY(msg_id, ser_no, cell_list, channel_ind);
CBSP[0].send(ts_CBSP_Send(g_cbsp_conn_id[0], tx));
if (istemplatekind(fail_list, "omit")) {
rx := tr_CBSP_MSG_STATUS_QUERY_COMPL(msg_id, ser_no, compl_list:=compl_list, channel_ind:=channel_ind);
} else {
rx := tr_CBSP_MSG_STATUS_QUERY_FAIL(msg_id, ser_no, fail_list, channel_ind:=channel_ind,
compl_list:=compl_list);
}
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
}
template (present) RSL_IE_CbCommandType
tr_RslCbCmdType(template (present) uint2_t lblock := ?, template (present) RSL_CbCommand cmd := ?) := {
command := cmd,
default_bcast_null := ?,
spare := ?,
last_block := lblock
}
/* translate blocks count to RSL_CB_CMD_LASTBLOCK_1..4 values */
private function f_cbsp_block_count_enc(integer num_blocks) return integer
{
if (num_blocks < 1 or num_blocks > 4) {
setverdict(fail, "Invalid num_blocks: ", num_blocks);
mtc.stop;
}
if (num_blocks == 4) {
return 0;
}
return num_blocks;
}
/* build a RSL_Message receive template from a CBSP page */
private function f_page2rsl(CBSP_IE page, uint16_t msg_id, uint16_t ser_no, boolean ext_cbch := false,
template (present) integer expect_blocks := ?)
return template (present) RSL_Message
{
var template (present) RSL_Message tr;
var integer len;
var integer num_blocks;
var octetstring payload;
payload := int2oct(ser_no, 2) & int2oct(msg_id, 2) & '0011'O & page.body.msg_content.val;
len := lengthof(payload);
num_blocks := len / 22;
if (len mod 22 > 0) {
num_blocks := num_blocks + 1;
}
if (not istemplatekind(expect_blocks, "omit") and not match(num_blocks, expect_blocks)) {
setverdict(fail, "mismatch: CBSP page expect_blocks == ", expect_blocks, ", but generated num_blocks == ", num_blocks);
mtc.stop;
}
var integer lblock := f_cbsp_block_count_enc(num_blocks);
tr := tr_RSL_SMSCB_CMD(tr_RslCbCmdType(lblock), f_pad_oct(payload, 88, '00'O));
if (ext_cbch) {
tr.ies[3] := tr_RSL_IE(RSL_IE_Body:{smscb_chan_ind := 1});
tr.ies[4] := *;
}
return tr;
}
/***********************************************************************
* Test Cases
***********************************************************************/
/* Test if BSC (server) accepts connections from CBC (client, IPv4) */
testcase TC_cbsp_bsc_server() runs on cbsp_test_CT {
g_pars := valueof(ts_CBSP_Pars_default(tcp_client := true));
f_init();
f_shutdown_helper();
}
/* Test if BSC (server) accepts connections from CBC (client, IPv6) */
testcase TC_cbsp_bsc_server_ipv6() runs on cbsp_test_CT {
g_pars := valueof(ts_CBSP_Pars_default(tcp_client := true));
g_pars.local_ip := mp_cbc_ip6;
g_pars.remote_ip := mp_bsc_cbsp_ip6;
f_init();
f_shutdown_helper();
}
/* Test if BSC (client) is connecting to CBC (server, IPv4) */
testcase TC_cbsp_bsc_client() runs on cbsp_test_CT {
g_pars := valueof(ts_CBSP_Pars_default(false, 0, 0));
f_init();
f_shutdown_helper();
}
/* Test if BSC (client) is connecting to CBC (server, IPv6) */
testcase TC_cbsp_bsc_client_ipv6() runs on cbsp_test_CT {
g_pars := valueof(ts_CBSP_Pars_default(false, 0, 0));
g_pars.local_ip := mp_cbc_ip6;
g_pars.remote_ip := mp_bsc_cbsp_ip6;
f_init();
f_shutdown_helper();
}
/* Test if a BSS-global RESET is executed successfully */
testcase TC_cbsp_reset_bss() runs on cbsp_test_CT {
g_pars := valueof(ts_CBSP_Pars_default(false, 0, 0));
f_init();
f_cbsp_reset_bss(0);
f_shutdown_helper();
}
/* Test if a LAC_CI FAILURE Ind is sent when TRX holding the CBCH is locked
* (becomes unavailable). LAC_CI RESTART Ind should be sent when the TRX becomes
* unlocked again. */
testcase TC_cbsp_cell_rflock_failure_restart() runs on cbsp_test_CT {
var template CBSP_PDU rx_cbs;
var template CBSP_PDU rx_emerg;
var boolean received_cbs := false;
var boolean received_emerg := false;
var template (present) CBSP_FailureListItem fli_exp;
var template (present) BSSMAP_FIELD_CellIdentificationList cil_exp;
g_pars := valueof(ts_CBSP_Pars_default(false, 0, 0));
f_init();
/* Lock the TRX, CBCH should become unavailable and BSC send FAILURE */
f_ctrl_set(IPA_CTRL, "bts.0.trx.0.rf_locked", "1");
/* Expect receiving either CGI or LAC+CI: */
fli_exp := (CBSP_FailureListItem_CGI(bssmap_cgi(mp_cgi_bts0),
CBSP_CAUSE_CB_NOT_OPERATIONAL),
CBSP_FailureListItem_LAC_CI(bssmap_lac_ci(mp_cgi_bts0),
CBSP_CAUSE_CB_NOT_OPERATIONAL));
rx_cbs := tr_CBSP_FAILURE({fli_exp}, CBSP_BC_MSGT_CBS);
rx_emerg := tr_CBSP_FAILURE({fli_exp}, CBSP_BC_MSGT_EMERG);
alt {
[not received_cbs] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx_cbs)) {
received_cbs := true;
if (not received_cbs or not received_emerg) {
repeat;
}
}
[not received_emerg] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx_emerg)) {
received_emerg := true;
if (not received_cbs or not received_emerg) {
repeat;
}
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
setverdict(pass);
/* Unlock the TRX, CBCH should become available and BSC send RESTART */
f_ctrl_set(IPA_CTRL, "bts.0.trx.0.rf_locked", "0");
/* Expect receiving either CGI or LAC+CI: */
cil_exp := (ts_BSSMAP_CIL_CGI({bssmap_cgi(mp_cgi_bts0)}),
ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)}));
rx_cbs := tr_CBSP_RESTART(cil_exp, CBSP_BC_MSGT_CBS, ?);
rx_emerg := tr_CBSP_RESTART(cil_exp, CBSP_BC_MSGT_EMERG, ?);
received_cbs := false;
received_emerg := false;
alt {
[not received_cbs] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx_cbs)) {
received_cbs := true;
if (not received_cbs or not received_emerg) {
repeat;
}
}
[not received_emerg] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx_emerg)) {
received_emerg := true;
if (not received_cbs or not received_emerg) {
repeat;
}
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
f_shutdown_helper();
}
/* Test if a LAC_CI FAILURE Ind is sent when conn of TRX holding the CBCH goes down. */
testcase TC_cbsp_cell_rsl_down_failure() runs on cbsp_test_CT {
var template CBSP_PDU rx_cbs;
var template CBSP_PDU rx_emerg;
var boolean received_cbs := false;
var boolean received_emerg := false;
var template (present) CBSP_FailureListItem fli_exp;
g_pars := valueof(ts_CBSP_Pars_default(false, 0, 0));
f_init();
/* Drop RSL link of the TRX holding the CBCH: */
f_ipa_rsl_stop(bts[0][0].rsl);
/* Expect receiving either CGI or LAC+CI: */
fli_exp := (CBSP_FailureListItem_CGI(bssmap_cgi(mp_cgi_bts0),
CBSP_CAUSE_CB_NOT_OPERATIONAL),
CBSP_FailureListItem_LAC_CI(bssmap_lac_ci(mp_cgi_bts0),
CBSP_CAUSE_CB_NOT_OPERATIONAL));
rx_cbs := tr_CBSP_FAILURE({fli_exp}, CBSP_BC_MSGT_CBS);
rx_emerg := tr_CBSP_FAILURE({fli_exp}, CBSP_BC_MSGT_EMERG);
alt {
[not received_cbs] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx_cbs)) {
received_cbs := true;
if (not received_cbs or not received_emerg) {
repeat;
}
}
[not received_emerg] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx_emerg)) {
received_emerg := true;
if (not received_cbs or not received_emerg) {
repeat;
}
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
/* TODO: call f_init() again to reconnect? */
f_shutdown_helper();
}
testcase TC_cbsp_write() runs on cbsp_test_CT {
var template (value) CBSP_PDU tx;
var CBSP_IEs pages := {f_gen_page()};
g_pars := valueof(ts_CBSP_Pars_default(false, 0, 0));
f_init();
tx := ts_CBSP_WRITE_CBS(msg_id:=23, new_ser_nr:=42, cell_list:=ts_BSSMAP_CIL_BSS,
channel_ind:=0, category:=CBSP_CATEG_NORMAL,
rep_period:=10, num_bcast_req:=1, dcs := 0,
content:=pages);
CBSP[0].send(ts_CBSP_Send(g_cbsp_conn_id[0], tx));
f_sleep(10.0);
f_shutdown_helper();
}
/* Write to entire BSS; three cells succeed; one fails (no CBCH) */
function f_tc_cbsp_write_bss(integer payload_len := -1, template (present) integer expect_blocks) runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page(payload_len := payload_len)};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
cell_list := ts_BSSMAP_CIL_BSS;
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages,
success_list:=tr_BSSMAP_CIL_CGI({?,?,?}), fail_list:={?});
var template (present) RSL_Message tr := f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no, expect_blocks := expect_blocks);
log("RSL[0,1,2] EXPECTING ", tr_ASP_RSL_UD(tr));
interleave {
[] IPA_RSL[0][0].receive(tr_ASP_RSL_UD(tr)) { log("Got SMSCB CMD on RSL[0]"); }
[] IPA_RSL[1][0].receive(tr_ASP_RSL_UD(tr)) { log("Got SMSCB CMD on RSL[1]"); }
[] IPA_RSL[2][0].receive(tr_ASP_RSL_UD(tr)) { log("Got SMSCB CMD on RSL[2]"); }
}
setverdict(pass);
/* Make the next test run (if any) use different msg_id and ser_no */
f_g_cbsp_next_msg_id_ser_no();
}
testcase TC_cbsp_write_bss() runs on cbsp_test_CT {
g_pars := valueof(ts_CBSP_Pars_default(false, 1001, 1501));
f_init(guard_timeout := 60.0);
/* In the SMSCB message, there is a head followed by payload,
* and the resulting data is segmented in blocks of 22 octets (<= 4 blocks).
*
* [head][...payload....]|[....................]|[....................]|[....................]
* 0 |16 |38 |60 |82
* 0 5 |22 |44 |66 |88
*
* blocks count: 1 | 2 | 3 | 4
* payload octets count: 1..16 | 17..38 | 39..60 | 61..82
*/
f_tc_cbsp_write_bss(payload_len := 1, expect_blocks := 1);
f_tc_cbsp_write_bss(payload_len := 2, expect_blocks := 1);
f_tc_cbsp_write_bss(payload_len := 16, expect_blocks := 1);
f_tc_cbsp_write_bss(payload_len := 17, expect_blocks := 2);
f_tc_cbsp_write_bss(payload_len := 23, expect_blocks := 2);
f_tc_cbsp_write_bss(payload_len := 38, expect_blocks := 2);
f_tc_cbsp_write_bss(payload_len := 39, expect_blocks := 3);
f_tc_cbsp_write_bss(payload_len := 42, expect_blocks := 3);
f_tc_cbsp_write_bss(payload_len := 60, expect_blocks := 3);
f_tc_cbsp_write_bss(payload_len := 61, expect_blocks := 4);
f_tc_cbsp_write_bss(payload_len := 77, expect_blocks := 4);
f_tc_cbsp_write_bss(payload_len := 82, expect_blocks := 4);
f_shutdown_helper();
}
/* Write to single BTS supporting CBCH: success */
testcase TC_cbsp_write_bts_cgi() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 2001, 2501));
f_init();
cell_list := ts_BSSMAP_CIL_CGI({bssmap_cgi(mp_cgi_bts0)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages,
success_list:=cell_list, fail_list:=omit);
var template (present) RSL_Message tr := f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no);
IPA_RSL[0][0].receive(tr_ASP_RSL_UD(tr));
f_sleep(5.0);
f_shutdown_helper();
}
/* Write to single BTS not supporting CBCH: failure */
testcase TC_cbsp_write_bts_no_cbch() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 3001, 3501));
f_init();
cell_list := ts_BSSMAP_CIL_CGI({bssmap_cgi(mp_cgi_bts3)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages,
success_list:=omit, fail_list:={?});
f_sleep(5.0);
f_shutdown_helper();
}
/* Write to single non-existant BTS */
testcase TC_cbsp_write_unknown_bts() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 4001, 4501));
f_init();
cell_list := ts_BSSMAP_CIL_CGI({ts_BSSMAP_CI_CGI(mp_cgi_bts0.mcc, mp_cgi_bts1.mnc, 22222, 33333)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages,
success_list:=omit, fail_list:={?});
f_sleep(5.0);
f_shutdown_helper();
}
/* Write to single BTS using LAC+CI */
testcase TC_cbsp_write_lac_ci() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 5001, 5501));
f_init();
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
IPA_RSL[0][0].receive(tr_ASP_RSL_UD(f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no)));
f_sleep(5.0);
f_shutdown_helper();
}
/* Write to single BTS using CI */
testcase TC_cbsp_write_ci() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 6001, 6501));
f_init();
cell_list := ts_BSSMAP_CIL_CI({bssmap_ci(mp_cgi_bts0)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
IPA_RSL[0][0].receive(tr_ASP_RSL_UD(f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no)));
f_sleep(5.0);
f_shutdown_helper();
}
/* Write to single BTS using LAI */
testcase TC_cbsp_write_lai() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 7001, 7501));
f_init();
/* bts0 and bts1 have the same LAI (only differ in cell identity).
* bts2 and bts3 also have the same LAI, but only bts2 has a CBCH.
* Target only bts2.
*/
cell_list := ts_BSSMAP_CIL_LAI({bssmap_lai(mp_cgi_bts2)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
IPA_RSL[2][0].receive(tr_ASP_RSL_UD(f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no)));
f_sleep(5.0);
f_shutdown_helper();
}
/* Write to two BTS using LAC */
testcase TC_cbsp_write_lac() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 8001, 8501));
f_init();
cell_list := ts_BSSMAP_CIL_LAC({bssmap_lac(mp_cgi_bts0)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
var template (present) RSL_Message tr := f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no);
interleave {
[] IPA_RSL[0][0].receive(tr_ASP_RSL_UD(tr));
[] IPA_RSL[1][0].receive(tr_ASP_RSL_UD(tr));
}
f_sleep(5.0);
f_shutdown_helper();
}
/* Write a message, then replace it */
testcase TC_cbsp_write_then_replace() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 9001, 9501));
f_init();
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, num_bcast_req:=10, content:=pages,
success_list:=?, fail_list:=omit);
IPA_RSL[0][0].receive(tr_ASP_RSL_UD(f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no)));
/* Replace: keep the same msg_id, use a new ser_no */
var uint16_t old_ser_no := g_cbsp_ser_no;
g_cbsp_ser_no := g_cbsp_ser_no + 1;
f_cbsp_replace(g_cbsp_msg_id, g_cbsp_ser_no, old_ser_no, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
IPA_RSL[0][0].receive(tr_ASP_RSL_UD(f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no)));
f_sleep(1.0);
f_shutdown_helper();
}
/* Verify handling of the Repetition Period and the Number of Broadcasts */
testcase TC_cbsp_write_rep_period_num() runs on cbsp_test_CT {
var CBSP_IE page := f_gen_page();
const integer rep_period := 2; /* units of 1.883s */
const integer rep_number := 5;
var integer msg_count := 0;
var float last_time := 0.0;
timer T;
g_pars := valueof(ts_CBSP_Pars_default(false, 9001, 9501));
f_init(guard_timeout := 60.0);
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no,
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)}),
rep_period := rep_period, num_bcast_req := rep_number,
content := { page }, success_list := ?, fail_list := omit);
/* Count SMSCB messages during N=rep_number+2 repetition periods */
T.start(int2float(rep_period * (rep_number + 2)) * 1.883);
alt {
[] IPA_RSL[0][0].receive(tr_ASP_RSL_UD(f_page2rsl(page, g_cbsp_msg_id, g_cbsp_ser_no))) {
var float exp_period := int2float(rep_period) * 1.883;
var float calc_period := T.read - last_time;
log("Rx SMSCB message: count := ", msg_count + 1, ", ",
"elapsed := ", T.read, "s, diff := ", calc_period, "s");
if (msg_count > 0) {
/* Check the actual repetition period (+/- 0.5s) */
var template float tr_exp_period := (exp_period - 0.5 .. exp_period + 0.5);
if (not match(calc_period, tr_exp_period)) {
setverdict(fail, "Repetition period mismatch: ",
"calculated := ", calc_period, "s vs ",
"expected := ", tr_exp_period, "s");
}
}
msg_count := msg_count + 1;
last_time := T.read;
repeat;
}
[] T.timeout {
log("Received ", msg_count, " messages during ", last_time, "s");
}
}
if (msg_count != rep_number) {
setverdict(fail, "Received ", msg_count, " messages, ",
"while we expected ", rep_number);
}
f_sleep(1.0);
f_shutdown_helper();
}
/* Replace a message that doesn't exist: failure */
testcase TC_cbsp_replace_nonexist() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 10001, 10501));
f_init();
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_replace(10, 10023, 10042, cell_list, content:=pages,
success_list:=omit, fail_list:=?);
f_shutdown_helper();
}
/* Write more messages than can be scheduled */
testcase TC_cbsp_write_too_many() runs on cbsp_test_CT {
/* repeating three pages at an interval of 1 is impossible */
var CBSP_IEs pages := {f_gen_page(), f_gen_page(), f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 11001, 11501));
f_init();
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, rep_period:=1, content:=pages,
success_list:=omit, fail_list:=?);
f_shutdown_helper();
}
/* Kill message that doesn't exist: failure */
testcase TC_cbsp_kill_nonexist() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 12001, 12501));
f_init();
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_kill(g_cbsp_msg_id, g_cbsp_ser_no, 0, cell_list, success_list:=omit, compl_list:=omit, fail_list:=?);
f_shutdown_helper();
}
/* Write a message, then kill it */
testcase TC_cbsp_write_then_kill() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 13001, 13501));
f_init();
/* write message, request more than one transmission on BTS0 */
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, num_bcast_req := 5, content:=pages, success_list:=?, fail_list:=omit);
/* expect to receive it once on the BTS */
var template (present) RSL_Message tr := f_page2rsl(pages[0], g_cbsp_msg_id, g_cbsp_ser_no);
IPA_RSL[0][0].receive(tr_ASP_RSL_UD(tr));
/* kill it, expecting non-empty completion list; success must be empty in case of CBS! */
f_cbsp_kill(g_cbsp_msg_id, g_cbsp_ser_no, 0, cell_list, success_list:=omit, compl_list:=?, fail_list:=omit);
f_shutdown_helper();
}
/* Write a message, then reset all messages */
testcase TC_cbsp_write_then_reset() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
g_pars := valueof(ts_CBSP_Pars_default(false, 14001, 14501));
f_init();
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_write(g_cbsp_msg_id, g_cbsp_ser_no, cell_list, content:=pages, success_list:=?, fail_list:=omit);
f_cbsp_reset_bss(0);
f_shutdown_helper();
}
private const octetstring c_ETWS_sec_default :=
'00000000000000000000000000000000000000000000000000'O &
'00000000000000000000000000000000000000000000000000'O;
function f_gen_etws_pn(uint16_t ser_nr, uint16_t msg_id, OCT2 msg_type := '0780'O,
octetstring sec_inf := c_ETWS_sec_default) return octetstring {
return int2oct(ser_nr, 2) & int2oct(msg_id, 2) & msg_type & sec_inf;
}
/* Write ETWS PN to single BTS; verify it arrives on DCHAN */
testcase TC_cbsp_emerg_write_bts_cgi_dchan() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
var ASP_RSL_Unitdata rx_rsl_ud;