osmo-ttcn3-hacks/bsc/BSC_Tests_CBSP.ttcn

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module BSC_Tests_CBSP {
/* CBSP Integration Tests for OsmoBSC
* (C) 2019 by Harald Welte <laforge@gnumonks.org>
* 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 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 BSC_Tests 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;
modulepar {
charstring mp_cbc_ip := "0.0.0.0";
integer mp_cbc_port := 48049;
integer mp_bsc_cbsp_port := 48050;
/* 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 };
}
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 {
}
private altstep as_IgnRSL(template RSL_Message tr) runs on cbsp_test_CT {
[] IPA_RSL[0].receive(tr_RSL_UD(tr)) { repeat; }
[] IPA_RSL[1].receive(tr_RSL_UD(tr)) { repeat; }
[] IPA_RSL[2].receive(tr_RSL_UD(tr)) { repeat; }
}
private altstep as_FailRSL() runs on cbsp_test_CT {
var template RSL_Message tr := (tr_RSL_SMSCB_CMD);
var ASP_RSL_Unitdata rx;
[] IPA_RSL[0].receive(tr_RSL_UD(tr)) -> value rx {
setverdict(fail, "Received unexpected RSL ", rx);
mtc.stop;
}
[] IPA_RSL[1].receive(tr_RSL_UD(tr)) -> value rx {
setverdict(fail, "Received unexpected RSL ", rx);
mtc.stop;
}
[] IPA_RSL[2].receive(tr_RSL_UD(tr)) -> value rx {
setverdict(fail, "Received unexpected RSL ", rx);
mtc.stop;
}
}
private function f_init() runs on cbsp_test_CT {
BSC_Tests.f_init();
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());
}
private function f_cbsp_init_client() runs on cbsp_test_CT {
f_init();
CBSP_Adapter.f_connect(mp_bsc_ip, mp_bsc_cbsp_port, "", -1);
f_cbsp_init_tail();
}
private function f_cbsp_init_server() runs on cbsp_test_CT {
var ASP_Event asp_evt;
timer T := 10.0;
f_init();
CBSP_Adapter.f_bind(mp_cbc_ip, mp_cbc_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");
}
}
f_cbsp_init_tail();
}
private function f_cbsp_init_tail() 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)));
}
}
function f_gen_page() return CBSP_IE {
var integer len := f_rnd_int(82);
var octetstring payload := f_rnd_octstring(len);
return valueof(ts_CbspMsgContent(payload, len));
}
function f_cbsp_reset_bss(integer idx) runs on CBSP_Adapter_CT {
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;
}
}
}
/* 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_CBS_COMPL(msg_id, ser_no, success_list, omit);
} else {
rx := tr_CBSP_WRITE_CBS_FAIL(msg_id, ser_no, fail_list, *, success_list, omit);
}
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");
}
}
}
/* 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;
var CBSP_IEs pages := {f_gen_page()};
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");
}
}
}
/* 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;
var CBSP_IEs pages := {f_gen_page()};
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");
}
}
}
/* 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_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:=*, cell_list:=success_list,
channel_ind:=channel_ind);
} else {
rx := tr_CBSP_KILL_FAIL(msg_id, ser_no, fail_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");
}
}
}
private template (present) ASP_RSL_Unitdata tr_RSL_UD(template (present) RSL_Message rsl) := {
streamId := ?,
rsl := rsl
}
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
}
/* 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)
return template (present) RSL_Message
{
var template RSL_Message tr;
var integer lblock := page.body.msg_content.user_len / 22;
var octetstring payload;
if (page.body.msg_content.user_len mod 22 > 0) {
lblock := lblock + 1;
}
payload := int2oct(ser_no, 2) & int2oct(msg_id, 2) & '0011'O & page.body.msg_content.val;
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) */
testcase TC_cbsp_bsc_server() runs on cbsp_test_CT {
f_cbsp_init_client();
setverdict(pass);
}
/* Test if BSC (client) is connecting to CBC (server) */
testcase TC_cbsp_bsc_client() runs on cbsp_test_CT {
f_cbsp_init_server();
setverdict(pass);
}
/* Test if a BSS-global RESET is executed successfully */
testcase TC_cbsp_reset_bss() runs on cbsp_test_CT {
f_cbsp_init_server();
f_cbsp_reset_bss(0);
setverdict(pass);
}
testcase TC_cbsp_write() runs on cbsp_test_CT {
var template (value) CBSP_PDU tx;
var CBSP_IEs pages := {f_gen_page()};
f_cbsp_init_server();
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);
}
/* Write to entire BSS; three cells succeed; one fails (no CBCH) */
testcase TC_cbsp_write_bss() runs on cbsp_test_CT {
var CBSP_IEs pages := {f_gen_page()};
var template (value) BSSMAP_FIELD_CellIdentificationList cell_list;
cell_list := ts_BSSMAP_CIL_BSS;
f_cbsp_init_server();
f_cbsp_write(1, 1001, cell_list, content:=pages,
success_list:=tr_BSSMAP_CIL_CGI({?,?,?}), fail_list:={?});
var template RSL_Message tr := f_page2rsl(pages[0], 1, 1001);
interleave {
[] IPA_RSL[0].receive(tr_RSL_UD(tr)) {}
[] IPA_RSL[1].receive(tr_RSL_UD(tr)) {}
[] IPA_RSL[2].receive(tr_RSL_UD(tr)) {}
}
}
/* 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;
cell_list := ts_BSSMAP_CIL_CGI({bssmap_cgi(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(2, 1002, cell_list, content:=pages,
success_list:=cell_list, fail_list:=omit);
var template RSL_Message tr := f_page2rsl(pages[0], 1, 1001);
IPA_RSL[0].receive(tr_RSL_UD(tr));
f_sleep(5.0);
}
/* 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;
cell_list := ts_BSSMAP_CIL_CGI({bssmap_cgi(mp_cgi_bts3)});
f_cbsp_init_server();
f_cbsp_write(3, 1003, cell_list, content:=pages,
success_list:=omit, fail_list:={?});
f_sleep(5.0);
}
/* 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;
cell_list := ts_BSSMAP_CIL_CGI({ts_BSSMAP_CI_CGI(mp_cgi_bts0.mcc, mp_cgi_bts1.mnc, 22222, 33333)});
f_cbsp_init_server();
f_cbsp_write(4, 1004, cell_list, content:=pages,
success_list:=omit, fail_list:={?});
f_sleep(5.0);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(5, 1005, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
IPA_RSL[0].receive(tr_RSL_UD(f_page2rsl(pages[0], 5, 1005)));
f_sleep(5.0);
}
/* 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;
cell_list := ts_BSSMAP_CIL_CI({bssmap_ci(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(6, 1006, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
IPA_RSL[0].receive(tr_RSL_UD(f_page2rsl(pages[0], 6, 1006)));
f_sleep(5.0);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAI({bssmap_lai(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(7, 1007, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
IPA_RSL[0].receive(tr_RSL_UD(f_page2rsl(pages[0], 7, 1007)));
f_sleep(5.0);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAC({bssmap_lac(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(8, 1008, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
var template RSL_Message tr := f_page2rsl(pages[0], 8, 1008);
interleave {
[] IPA_RSL[0].receive(tr_RSL_UD(tr));
[] IPA_RSL[1].receive(tr_RSL_UD(tr));
}
f_sleep(5.0);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(9, 1009, cell_list, num_bcast_req:=10, content:=pages,
success_list:=?, fail_list:=omit);
f_cbsp_replace(9, 2009, 1009, cell_list, content:=pages,
success_list:=?, fail_list:=omit);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_replace(10, 2010, 1010, cell_list, content:=pages,
success_list:=omit, fail_list:=?);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(11, 1011, cell_list, rep_period:=1, content:=pages,
success_list:=omit, fail_list:=?);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_kill(12, 1012, 0, cell_list, success_list:=omit, fail_list:=?);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(13, 1013, cell_list, content:=pages, success_list:=?, fail_list:=omit);
f_cbsp_kill(13, 1013, 0, cell_list, success_list:=?, fail_list:=omit);
}
/* 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;
cell_list := ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write(14, 1014, cell_list, content:=pages, success_list:=?, fail_list:=omit);
f_cbsp_reset_bss(0);
}
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;
cell_list := ts_BSSMAP_CIL_CGI({bssmap_cgi(mp_cgi_bts0)});
f_cbsp_init_server();
/* first establish a dedicated channel */
var DchanTuple dt := f_est_dchan('23'O, 23, '00010203040506'O);
/* then send ETWS PN */
f_cbsp_write_emerg(15, 1015, cell_list);
var template (present) octetstring tr_apdu := f_gen_etws_pn(1015, 15);
timer T := 5.0;
T.start;
alt {
[] IPA_RSL[0].receive(tr_ASP_RSL_UD(tr_RSL_DATA_REQ(dt.rsl_chan_nr, ?, ?))) -> value rx_rsl_ud {
var RSL_IE_Body l3_ie;
if (f_rsl_find_ie(rx_rsl_ud.rsl, RSL_IE_L3_INFO, l3_ie) == false) {
setverdict(fail, "RSL DATA REQ without L3?");
mtc.stop;
}
var PDU_ML3_NW_MS l3 := dec_PDU_ML3_NW_MS(l3_ie.l3_info.payload);
var template (present) APDU_Flags_V tr_flags := {
lastSeg := '0'B,
firstSeg := '0'B,
cR := '0'B,
spare := '0'B
};
if (match(l3, tr_RR_APP_INFO('0001'B, tr_apdu, tr_flags))) {
setverdict(pass);
}
}
[] IPA_RSL[0].receive { repeat; }
[] T.timeout {
setverdict(fail, "Waiting for APP INFO");
}
}
}
/* Write ETWS PN to single BTS; verify it arrives on CCHAN */
testcase TC_cbsp_emerg_write_bts_cgi_cchan() 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;
cell_list := ts_BSSMAP_CIL_CGI({bssmap_cgi(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write_emerg(16, 1016, cell_list);
var template (present) octetstring tr_apdu := f_gen_etws_pn(1016, 16);
timer T := 5.0;
T.start;
alt {
[] IPA_RSL[0].receive(tr_ASP_RSL_UD(tr_RSL_OSMO_ETWS_CMD(t_RslChanNr_PCH_AGCH(0), tr_apdu))) {
setverdict(pass);
}
[] IPA_RSL[0].receive(tr_ASP_RSL_UD(tr_RSL_OSMO_ETWS_CMD(?,?))) {
setverdict(fail, "Received unexpected OSMO_ETWS_CMD");
}
[] IPA_RSL[0].receive { repeat; }
[] T.timeout {
setverdict(fail, "Timeout waiting for RSL_OSMO_ETWS_CMD");
}
}
}
/* Write ETWS PN to single BTS; verify it arrives on CCHAN */
testcase TC_cbsp_emerg_write_bts_cgi_cchan_disable() 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;
cell_list := ts_BSSMAP_CIL_CGI({bssmap_cgi(mp_cgi_bts0)});
f_cbsp_init_server();
f_cbsp_write_emerg(16, 1016, cell_list);
/* first expect the PN to be enabled */
var template (present) octetstring tr_apdu := f_gen_etws_pn(1016, 16);
timer T := 5.0;
T.start;
alt {
[] IPA_RSL[0].receive(tr_ASP_RSL_UD(tr_RSL_OSMO_ETWS_CMD(t_RslChanNr_PCH_AGCH(0), tr_apdu))) {
setverdict(pass);
}
[] IPA_RSL[0].receive(tr_ASP_RSL_UD(tr_RSL_OSMO_ETWS_CMD(?,?))) {
setverdict(fail, "Received unexpected OSMO_ETWS_CMD");
}
[] IPA_RSL[0].receive { repeat; }
[] T.timeout {
setverdict(fail, "Timeout waiting for RSL_OSMO_ETWS_CMD (enable)");
}
}
/* then expect it to be disabled after the warning period (5s) */
T.start;
alt {
[] IPA_RSL[0].receive(tr_ASP_RSL_UD(tr_RSL_OSMO_ETWS_CMD(t_RslChanNr_PCH_AGCH(0), ''O))) {
setverdict(pass);
}
[] IPA_RSL[0].receive(tr_ASP_RSL_UD(tr_RSL_OSMO_ETWS_CMD(?,?))) {
setverdict(fail, "Received unexpected OSMO_ETWS_CMD");
}
[] IPA_RSL[0].receive { repeat; }
[] T.timeout {
setverdict(fail, "Timeout waiting for RSL_OSMO_ETWS_CMD (disable)");
}
}
}
control {
execute( TC_cbsp_bsc_server() );
execute( TC_cbsp_bsc_client() );
execute( TC_cbsp_reset_bss() );
/* test various different types of Cell Identities */
execute( TC_cbsp_write_bss() );
execute( TC_cbsp_write_bts_cgi() );
execute( TC_cbsp_write_bts_no_cbch() );
execute( TC_cbsp_write_unknown_bts() );
execute( TC_cbsp_write_lac_ci() );
execute( TC_cbsp_write_ci() );
execute( TC_cbsp_write_lai() );
execute( TC_cbsp_write_lac() );
execute( TC_cbsp_write_then_replace() );
execute( TC_cbsp_replace_nonexist() );
execute( TC_cbsp_write_too_many() );
execute( TC_cbsp_kill_nonexist() );
execute( TC_cbsp_write_then_kill() );
execute( TC_cbsp_write_then_reset() );
execute( TC_cbsp_emerg_write_bts_cgi_dchan() );
execute( TC_cbsp_emerg_write_bts_cgi_cchan() );
execute( TC_cbsp_emerg_write_bts_cgi_cchan_disable() );
}
}