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osmo-ttcn3-hacks
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module Test {
import from GSM_Types all;
import from Osmocom_Types all;
import from GSM_SystemInformation all;
import from GSM_RR_Types all;
import from GSMTAP_Types all;
import from GSMTAP_PortType all;
import from IPL4_GSMTAP_CtrlFunct all;
import from TELNETasp_PortType all;
import from Osmocom_VTY_Functions all;
const octetstring si1 := '5506198fb38000000000000000000000000000e504002b'O;
const octetstring si2 := '59061a00000000000000000000000000000000ffe50400'O;
const octetstring si3 := '49061b000062f22404d2490301275d40e50400392b2b2b'O;
const octetstring si4 := '31061c62f22404d25d40e504002b2b2b2b2b2b2b2b2b2b'O;
const octetstring c_si2bis := '550602bfe809b3ff00000000000000000000007900002b'O;
const octetstring c_si2ter := '010603bf66b0aa0a00000002000000000000002b2b2b2b'O;
const octetstring c_si2quater := '050607a8a0364aa698d72ff424feee0506d5e7fff02043'O;
type component dummy_CT {
port GSMTAP_PT GSMTAP;
port TELNETasp_PT BSCVTY;
var boolean initialized := false;
var SystemInformationConfig si_cfg := {
bcch_extended := false,
si1_present := true,
si2bis_present := false,
si2ter_present := false,
si2quater_present := false,
si7_present := false,
si8_present := false,
si9_present := false,
si13_present := false,
si13alt_present := false,
si15_present := false,
si16_present := false,
si17_present := false,
si2n_present := false,
si21_present := false,
si22_present := false
};
};
testcase TC_si1() runs on dummy_CT {
log("SI: ", dec_SystemInformation(si1));
log("SI: ", dec_SystemInformation(si2));
log("SI: ", dec_SystemInformation(si3));
log("SI: ", dec_SystemInformation(si4));
setverdict(pass);
}
template GsmtapHeader t_GsmtapHeader := {
version := GSMTAP_VERSION,
hdr_len := 4,
msg_type := ?,
timeslot := ?,
arfcn := ?,
signal_dbm := ?,
snr_db := ?,
frame_number := ?,
sub_type := ?,
antenna_nr := ?,
sub_slot := ?,
res := ?
}
template GsmtapHeader t_GsmtapHeaderUm(template GsmtapChannel ch) modifies t_GsmtapHeader := {
msg_type := GSMTAP_TYPE_UM,
sub_type := ch
}
template GsmtapMessage t_bcch := {
header := t_GsmtapHeaderUm(GSMTAP_CHANNEL_BCCH),
payload := ?
}
template GSMTAP_RecvFrom t_recvfrom(template GsmtapChannel ch) := {
connId := ?,
remName := ?,
remPort := ?,
locName := ?,
locPort := GSMTAP_PORT,
proto := {udp:={}},
userData := ?,
msg := { header := t_GsmtapHeaderUm(ch), payload := ?}
}
/* tuple of gsmtap header + decoded SI */
type record SystemInformationGsmtap {
GsmtapHeader gsmtap,
SystemInformation si
}
/* an arbitrary-length vector of decoded SI + gsmtap header */
type record of SystemInformationGsmtap SystemInformationVector;
/* an array of SI-vectors indexed by TC value */
type SystemInformationVector SystemInformationVectorPerTc[8];
type record of integer IntegerRecord;
function int2bool(integer int) return boolean {
if (int != 0) {
return true;
} else {
return false;
}
}
function f_array_contains(IntegerRecord arr, integer key) return boolean {
for (var integer i:= 0; i< sizeof(arr); i := i + 1) {
if (arr[i] == key) {
return true;
}
}
return false;
}
/* compute TC as per 45.002 6.3.1.3 */
function f_gsm_compute_tc(integer fn) return integer {
return (fn / 51) mod 8;
}
/* determine if a given SI vector contains given SI type at least once */
function f_si_vecslot_contains(SystemInformationVector arr, RrMessageType key, boolean bcch_ext := false) return boolean {
for (var integer i:= 0; i< sizeof(arr); i := i + 1) {
var integer fn_mod51 := arr[i].gsmtap.frame_number mod 51;
if (not bcch_ext and fn_mod51 == 2 or
bcch_ext and fn_mod51 == 6) {
if (arr[i].si.header.message_type == key) {
return true;
}
}
}
return false;
}
/* ensure a given TC slot of the SI vector contains given SI type at least once at TC */
function f_ensure_si_vec_contains(SystemInformationVectorPerTc arr, integer tc, RrMessageType key, boolean ext_bcch := false) {
if (not f_si_vecslot_contains(arr[tc], key, ext_bcch)) {
setverdict(fail, "Fail: No ", key, " in TC=", tc, "!");
mtc.stop;
}
}
/* check if a given SI vector contains given SI type at least once on any TC */
function f_si_vec_contains(SystemInformationVectorPerTc arr, RrMessageType key) return boolean {
for (var integer tc:= 0; tc < sizeof(arr); tc := tc + 1) {
if (f_si_vecslot_contains(arr[tc], key) or
f_si_vecslot_contains(arr[tc], key, true)) {
return true;
}
}
return false;
}
/* determine if a given SI vector contains given SI type at least N of M times */
function f_si_vecslot_contains_n_of_m(SystemInformationVector arr, RrMessageType key, boolean bcch_ext := false, integer n := 1, integer m := 4) return boolean {
var integer count := 0;
if (sizeof(arr) < m) {
testcase.stop("Error: Insufficient SI in array");
}
for (var integer i:= 0; i < m; i := i + 1) {
var integer fn_mod51 := arr[i].gsmtap.frame_number mod 51;
if (not bcch_ext and fn_mod51 == 2 or
bcch_ext and fn_mod51 == 6) {
if (arr[i].si.header.message_type == key) {
count := count + 1;
}
}
}
if (count >= n) {
return true;
} else {
return false;
}
}
/* ensure a given TC slot of the SI vector contains given SI type at least N out of M times at TC */
function f_ensure_si_vec_contains_n_of_m(SystemInformationVectorPerTc arr, integer tc, RrMessageType key, boolean ext_bcch := false, integer n, integer m) {
if (not f_si_vecslot_contains_n_of_m(arr[tc], key, ext_bcch, n, m)) {
setverdict(fail, "Fail: Not ", n, "/", m, " of ", key, " in TC=", tc, "!");
mtc.stop;
}
}
/* determine if a given SI vector contains given SI type at least once */
function f_si_vecslot_contains_only(SystemInformationVector arr, RrMessageType key, boolean bcch_ext := false) return boolean {
for (var integer i:= 0; i< sizeof(arr); i := i + 1) {
var integer fn_mod51 := arr[i].gsmtap.frame_number mod 51;
if (not bcch_ext and fn_mod51 == 2 or
bcch_ext and fn_mod51 == 6) {
if (arr[i].si.header.message_type != key) {
return false;
}
}
}
return true;
}
/* ensure a given TC slot of the SI vector contains only given SI type */
function f_ensure_si_vec_contains_only(SystemInformationVectorPerTc arr, integer tc, RrMessageType key, boolean ext_bcch := false) {
if (not f_si_vecslot_contains_only(arr[tc], key, ext_bcch)) {
setverdict(fail, "Fail: Not all ", key, " in TC=", tc, "!");
mtc.stop;
}
}
/* SI configuration of cell, against which we validate actual SI messages */
type set SystemInformationConfig {
boolean bcch_extended,
boolean si1_present,
boolean si2bis_present,
boolean si2ter_present,
boolean si2quater_present,
boolean si7_present,
boolean si8_present,
boolean si9_present,
boolean si13_present,
boolean si13alt_present,
boolean si15_present,
boolean si16_present,
boolean si17_present,
boolean si2n_present,
boolean si21_present,
boolean si22_present
}
/* validate the SI scheduling according to TS 45.002 version 14.1.0 Release 14, Section 6.3.1.3 */
function f_validate_si_scheduling(SystemInformationConfig cfg, SystemInformationVectorPerTc si_per_tc) {
var integer i;
for (i := 0; i < sizeof(si_per_tc); i := i + 1) {
if (sizeof(si_per_tc[i]) == 0) {
setverdict(fail, "No SI messages for TC=0!");
mtc.stop;
}
}
if (cfg.si1_present) {
/* ii) System Information Type 1 needs to be sent if frequency hopping is in use or
* when the NCH is present in a cell. If the MS finds another message on BCCH Norm
* when TC = 0, it can assume that System Information Type 1 is not in use. */
f_ensure_si_vec_contains(si_per_tc, 0, SYSTEM_INFORMATION_TYPE_1);
/* make sure *ALL* contain SI1 */
f_ensure_si_vec_contains_only(si_per_tc, 0, SYSTEM_INFORMATION_TYPE_1);
}
f_ensure_si_vec_contains(si_per_tc, 1, SYSTEM_INFORMATION_TYPE_2);
/* iii) A SI 2 message will be sent at least every time TC = 1 */
f_ensure_si_vec_contains(si_per_tc, 2, SYSTEM_INFORMATION_TYPE_3);
f_ensure_si_vec_contains(si_per_tc, 6, SYSTEM_INFORMATION_TYPE_3);
f_ensure_si_vec_contains(si_per_tc, 3, SYSTEM_INFORMATION_TYPE_4);
f_ensure_si_vec_contains(si_per_tc, 7, SYSTEM_INFORMATION_TYPE_4);
/* iii) System information type 2 bis or 2 ter messages are sent if needed, as determined by the
* system operator. If only one of them is needed, it is sent when TC = 5. If both are
* needed, 2bis is sent when TC = 5 and 2ter is sent at least once within any of 4
* consecutive occurrences of TC = 4. */
if (cfg.si2bis_present and not cfg.si2ter_present) {
f_ensure_si_vec_contains(si_per_tc, 5, SYSTEM_INFORMATION_TYPE_2bis);
} else if (cfg.si2ter_present and not cfg.si2bis_present) {
f_ensure_si_vec_contains(si_per_tc, 5, SYSTEM_INFORMATION_TYPE_2ter);
} else if (cfg.si2ter_present and cfg.si2bis_present) {
f_ensure_si_vec_contains(si_per_tc, 5, SYSTEM_INFORMATION_TYPE_2bis);
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_2ter, false, 1, 4);
}
if (cfg.si7_present or cfg.si8_present) {
/* vi) Use of System Information type 7 and 8 is not always necessary. It is necessary
* if System Information type 4 does not contain all information needed for cell
* selection and reselection. */
if (not cfg.bcch_extended) {
testcase.stop("Error: SI7/SI8 require BCCH Extd.");
}
if (cfg.si7_present) {
f_ensure_si_vec_contains(si_per_tc, 7, SYSTEM_INFORMATION_TYPE_7, true);
}
if (cfg.si8_present) {
f_ensure_si_vec_contains(si_per_tc, 3, SYSTEM_INFORMATION_TYPE_8, true);
}
}
if (cfg.si2quater_present) {
/* iii) System information type 2 quater is sent if needed, as determined by the system
* operator. If sent on BCCH Norm, it shall be sent when TC = 5 if neither of 2bis
* and 2ter are used, otherwise it shall be sent at least once within any of 4
* consecutive occurrences of TC = 4. If sent on BCCH Ext, it is sent at least once
* within any of 4 consecutive occurrences of TC = 5. */
if (not (cfg.bcch_extended)) {
if (not (cfg.si2bis_present or cfg.si2ter_present)) {
f_ensure_si_vec_contains(si_per_tc, 5, SYSTEM_INFORMATION_TYPE_2quater);
} else {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_2quater, false, 1, 4);
}
} else {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 5, SYSTEM_INFORMATION_TYPE_2quater, true, 1, 4);
}
}
if (cfg.si9_present) {
/* vi) System Information type 9 is sent in those blocks with TC = 4 which are specified
* in system information type 3 as defined in 3GPP TS 44.018. */
f_ensure_si_vec_contains(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_9); // FIXME SI3
}
if (cfg.si13_present) {
/* vii) System Information type 13 is only related to the GPRS service. System Information
* Type 13 need only be sent if GPRS support is indicated in one or more of System
* Information Type 3 or 4 or 7 or 8 messages. These messages also indicate if the
* message is sent on the BCCH Norm or if the message is transmitted on the BCCH Ext.
* In the case that the message is sent on the BCCH Norm, it is sent at least once
* within any of 4 consecutive occurrences of TC=4. */
if (not cfg.bcch_extended) {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_13, false, 1, 4);
} else {
f_ensure_si_vec_contains(si_per_tc, 0, SYSTEM_INFORMATION_TYPE_13, true);
}
if (f_si_vec_contains(si_per_tc, SYSTEM_INFORMATION_TYPE_13alt)) {
setverdict(fail, "Cannot have SI13alt and SI13");
mtc.stop;
}
}
if (cfg.si16_present or cfg.si17_present) {
/* viii) System Information type 16 and 17 are only related to the SoLSA service. They
* should not be sent in a cell where network sharing is used (see rule xv). */
if (cfg.si22_present) {
testcase.stop("Error: Cannot have SI16/SI17 and SI22!");
}
if (f_si_vec_contains(si_per_tc, SYSTEM_INFORMATION_TYPE_22)) {
setverdict(fail, "Cannot have SI16/SI17 and SI22!");
mtc.stop;
}
if (not cfg.bcch_extended) {
testcase.stop("Error: SI16/SI17 requires BCCH Extd!");
}
if (cfg.si16_present) {
f_ensure_si_vec_contains(si_per_tc, 6, SYSTEM_INFORMATION_TYPE_16, true);
}
if (cfg.si17_present) {
f_ensure_si_vec_contains(si_per_tc, 2, SYSTEM_INFORMATION_TYPE_17, true);
}
}
/* ix) System Information type 18 and 20 are sent in order to transmit non-GSM
* broadcast information. The frequency with which they are sent is determined by the
* system operator. System Information type 9 identifies the scheduling of System
* Information type 18 and 20 messages. */
/* x) System Information Type 19 is sent if COMPACT neighbours exist. If System
* Information Type 19 is present, then its scheduling shall be indicated in System
* Information Type 9. */
if (cfg.si15_present) {
/* xi) System Information Type 15 is broadcast if dynamic ARFCN mapping is used in the
* PLMN. If sent on BCCH Norm, it is sent at least once within any of 4 consecutive
* occurrences of TC = 4. If sent on BCCH Ext, it is sent at least once within any of
* 4 consecutive occurrences of TC = 1. */
if (not cfg.bcch_extended) {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_15, false, 1, 4);
} else {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 1, SYSTEM_INFORMATION_TYPE_15, true, 1, 4);
}
}
if (cfg.si13alt_present) {
/* xii) System Information type 13 alt is only related to the GERAN Iu mode. System
* Information Type 13 alt need only be sent if GERAN Iu mode support is indicated in
* one or more of System Information Type 3 or 4 or 7 or 8 messages and SI 13 is not
* broadcast. These messages also indicate if the message is sent on the BCCH Norm or
* if the message is transmitted on the BCCH Ext. In the case that the message is sent
* on the BCCH Norm, it is sent at least once within any of 4 consecutive occurrences
* of TC = 4. */
if (cfg.si13_present) {
testcase.stop("Error: Cannot have SI13alt and SI13");
}
if (f_si_vec_contains(si_per_tc, SYSTEM_INFORMATION_TYPE_13)) {
setverdict(fail, "Cannot have SI13alt and SI13");
mtc.stop;
}
if (not cfg.bcch_extended) {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_13alt, false, 1, 4);
} else {
f_ensure_si_vec_contains(si_per_tc, 0, SYSTEM_INFORMATION_TYPE_13alt, true);
}
}
if (cfg.si2n_present) {
/* xiii) System Information Type 2n is optionally sent on BCCH Norm or BCCH Ext if needed,
* as determined by the system operator. In the case that the message is sent on the
* BCCH Norm, it is sent at least once within any of 4 consecutive occurrences of TC =
* 4. If the message is sent on BCCH Ext, it is sent at least once within any of 2
* consecutive occurrences of TC = 4. */
if (not cfg.bcch_extended) {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_2n, false, 1, 4);
} else {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_2n, true, 2, 4);
}
}
if (cfg.si21_present) {
/* xiv) System Information Type 21 is optionally sent on BCCH Norm or BCCH Ext, as
* determined by the system operator. If Extended Access Barring is in use in the cell
* then this message is sent at least once within any of 4 consecutive occurrences of
* TC = 4 regardless if it is sent on BCCH Norm or BCCH Ext. If BCCH Ext is used in a
* cell then this message shall only be sent on BCCH Ext. */
if (not cfg.bcch_extended) {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_21, false, 1, 4);
} else {
f_ensure_si_vec_contains_n_of_m(si_per_tc, 4, SYSTEM_INFORMATION_TYPE_21, true, 1, 4);
if (f_si_vecslot_contains(si_per_tc[4], SYSTEM_INFORMATION_TYPE_21)) {
setverdict(fail, "Cannot have SI21 on BCCH Norm if BCCH Extd enabled!");
mtc.stop;
}
}
}
if (cfg.si22_present) {
/* xv) System Information Type 22 is sent if network sharing is in use in the cell. It
* should not be sent in a cell where SoLSA is used (see rule viii). System
* Information Type 22 instances shall be sent on BCCH Ext within any occurrence of TC
* =2 and TC=6. */
if (cfg.si16_present or cfg.si17_present) {
testcase.stop("Error: Cannot have SI16/SI17 and SI22!");
}
if (f_si_vec_contains(si_per_tc, SYSTEM_INFORMATION_TYPE_16) or
f_si_vec_contains(si_per_tc, SYSTEM_INFORMATION_TYPE_17)) {
setverdict(fail, "Cannot have SI16/SI17 and SI22!");
mtc.stop;
}
if (not cfg.bcch_extended) {
testcase.stop("Error: SI22 requires BCCH Extd!");
} else {
f_ensure_si_vec_contains_only(si_per_tc, 2, SYSTEM_INFORMATION_TYPE_22, true);
f_ensure_si_vec_contains_only(si_per_tc, 6, SYSTEM_INFORMATION_TYPE_22, true);
}
}
}
function f_gsmtap_sample_si(GSMTAP_PT pt, float duration := 8.0) return SystemInformationVectorPerTc {
timer T := duration;
var SystemInformationVectorPerTc si_per_tc;
var GSMTAP_RecvFrom rf;
/* initialize all per-TC vectors empty */
for (var integer i := 0; i < sizeof(si_per_tc); i := i + 1) {
si_per_tc[i] := {};
}
/* flush all previous/buffered elements */
pt.clear
T.start;
alt {
[] pt.receive(t_recvfrom(GSMTAP_CHANNEL_BCCH)) -> value rf {
var SystemInformation si := dec_SystemInformation(rf.msg.payload);
var SystemInformationGsmtap sig := { rf.msg.header, si };
var integer tc := f_gsm_compute_tc(rf.msg.header.frame_number);
log("SI received at TC=", tc, ": ", si);
/* append to the per-TC bucket */
si_per_tc[tc] := si_per_tc[tc] & { sig };
repeat;
}
[] pt.receive { repeat; };
[] T.timeout { };
}
for (var integer i := 0; i < sizeof(si_per_tc); i := i + 1) {
log(testcasename(), ": TC=", i, " has #of SI=", sizeof(si_per_tc[i]));
}
return si_per_tc;
}
function f_gsmtap_get_si(GSMTAP_PT pt, RrMessageType msg_type) return SystemInformation {
timer T := 10.0;
var GSMTAP_RecvFrom rf;
var SystemInformation si;
/* flush all previous/buffered elements */
pt.clear
T.start;
alt {
[] pt.receive(t_recvfrom(GSMTAP_CHANNEL_BCCH)) -> value rf {
si := dec_SystemInformation(rf.msg.payload);
if (si.header.message_type == msg_type) {
return si;
}
repeat;
}
[] pt.receive { repeat; };
[] T.timeout { testcase.stop("Error waiting for SI on GSMTAP"); };
}
return si;
}
function f_gsmtap_match_si(GSMTAP_PT pt, RrMessageType msg_type, template SystemInformation t) {
var SystemInformation si := f_gsmtap_get_si(pt, msg_type);
if (not match(si, t)) {
setverdict(fail, "SI ", si, " doesn't match ", t);
mtc.stop;
} else {
setverdict(pass);
}
}
function f_init() runs on dummy_CT {
if (initialized) {
return;
}
/* GSMTAP initialization */
map(self:GSMTAP, system:GSMTAP);
IPL4_GSMTAP_CtrlFunct.f_IPL4_listen(GSMTAP, "0.0.0.0", GSMTAP_PORT, {udp := {}});
/* VTY initialization */
map(self:BSCVTY, system:BSCVTY);
f_vty_set_prompts(BSCVTY)
f_vty_transceive(BSCVTY, "enable");
initialized := true;
}
testcase TC_si_default() runs on dummy_CT {
var SystemInformationVectorPerTc si_per_tc;
f_init();
si_per_tc := f_gsmtap_sample_si(GSMTAP);
f_validate_si_scheduling(si_cfg, si_per_tc);
setverdict(pass);
}
testcase TC_si_sched_2bis() runs on dummy_CT {
var SystemInformationVectorPerTc si_per_tc;
f_init();
/* Enable SI2bis + validate scheduling */
si_cfg.si2bis_present := true;
f_si_cfg_to_vty();
si_per_tc := f_gsmtap_sample_si(GSMTAP);
f_validate_si_scheduling(si_cfg, si_per_tc);
/* cleanup */
si_cfg.si2bis_present := false;
f_si_cfg_to_vty();
setverdict(pass);
}
testcase TC_si_sched_2ter() runs on dummy_CT {
var SystemInformationVectorPerTc si_per_tc;
f_init();
/* Enable SI2ter + validate scheduling */
si_cfg.si2ter_present := true;
f_si_cfg_to_vty();
si_per_tc := f_gsmtap_sample_si(GSMTAP);
f_validate_si_scheduling(si_cfg, si_per_tc);
/* cleanup */
si_cfg.si2ter_present := false;
f_si_cfg_to_vty();
setverdict(pass);
}
testcase TC_si_sched_2ter_2bis() runs on dummy_CT {
var SystemInformationVectorPerTc si_per_tc;
f_init();
/* Enable SI2bis + SI2ter + validate scheduling */
si_cfg.si2bis_present := true;
si_cfg.si2ter_present := true;
f_si_cfg_to_vty();
si_per_tc := f_gsmtap_sample_si(GSMTAP);
f_validate_si_scheduling(si_cfg, si_per_tc);
/* cleanup */
si_cfg.si2bis_present := false;
si_cfg.si2ter_present := false;
f_si_cfg_to_vty();
setverdict(pass);
}
testcase TC_si_sched_2quater() runs on dummy_CT {
var SystemInformationVectorPerTc si_per_tc;
f_init();
/* Enable SI2quater + validate scheduling */
si_cfg.si2quater_present := true;
f_si_cfg_to_vty();
/* cleanup */
si_cfg.si2quater_present := false;
f_si_cfg_to_vty();
setverdict(pass);
}
testcase TC_si_sched_13() runs on dummy_CT {
var SystemInformationVectorPerTc si_per_tc;
f_init();
/* Enable SI2ter + validate scheduling */
si_cfg.si13_present := true;
f_si_cfg_to_vty();
si_per_tc := f_gsmtap_sample_si(GSMTAP);
f_validate_si_scheduling(si_cfg, si_per_tc);
/* cleanup */
si_cfg.si13_present := false;
f_si_cfg_to_vty();
setverdict(pass);
}
testcase TC_si_sched_13_2bis_2ter_2quater() runs on dummy_CT {
var SystemInformationVectorPerTc si_per_tc;
f_init();
si_cfg.si2bis_present := true;
si_cfg.si2ter_present := true;
si_cfg.si2quater_present := true;
si_cfg.si13_present := true;
f_si_cfg_to_vty();
si_per_tc := f_gsmtap_sample_si(GSMTAP);
f_validate_si_scheduling(si_cfg, si_per_tc);
/* cleanup */
si_cfg.si2bis_present := false;
si_cfg.si2ter_present := false;
si_cfg.si2quater_present := false;
si_cfg.si13_present := false;
f_si_cfg_to_vty();
setverdict(pass);
}
function f_si_cfg_to_vty() runs on dummy_CT {
if (si_cfg.si2bis_present) {
f_vty_si_static(BSCVTY, 0, "2bis", c_si2bis);
} else {
f_vty_si_computed(BSCVTY, 0, "2bis");
}
if (si_cfg.si2ter_present) {
f_vty_si_static(BSCVTY, 0, "2ter", c_si2ter);
} else {
f_vty_si_computed(BSCVTY, 0, "2ter");
}
if (si_cfg.si13_present) {
f_vty_gprs_mode(BSCVTY, 0, "gprs");
} else {
f_vty_gprs_mode(BSCVTY, 0, "none");
}
if (si_cfg.si2quater_present) {
f_vty_si2q_add_uarfcn(BSCVTY, 0, 23, 42);
} else {
f_vty_si2q_del_uarfcn(BSCVTY, 0, 23, 42);
}
/* for debugging */
f_vty_transceive(BSCVTY, "write terminal");
/* actually commit the changes from BSC -> BTS */
f_vty_si_resend(BSCVTY, 0);
}
function f_vty_si_static(TELNETasp_PT pt, BtsNr bts, charstring si, octetstring bytes) {
f_vty_enter_cfg_bts(pt, bts);
f_vty_transceive(pt, "system-information " & si & " mode static");
f_vty_transceive(pt, "system-information " & si & " static " & hex2str(oct2hex(bytes)));
f_vty_transceive(pt, "end");
}
function f_vty_si_computed(TELNETasp_PT pt, BtsNr bts, charstring si) {
f_vty_enter_cfg_bts(pt, bts);
f_vty_transceive(pt, "system-information " & si & " mode computed");
f_vty_transceive(pt, "end");
}
function f_vty_si_resend(TELNETasp_PT pt, BtsNr bts := 0) {
f_vty_transceive(pt, "bts " & int2str(bts) & " resend-system-information");
/* wait for 1s until changes propagate */
timer T := 1.0;
T.start;
T.timeout;
}
function f_vty_gprs_mode(TELNETasp_PT pt, integer bts, BtsGprsMode mode) {
f_vty_enter_cfg_bts(pt, bts);
f_vty_transceive(pt, "gprs mode " & mode);
f_vty_transceive(pt, "end");
}
function f_vty_si2q_add_uarfcn(TELNETasp_PT pt, BtsNr bts, UmtsArfcn uarfcn, UmtsScramblingCode sc, integer diversity := 0) {
f_vty_enter_cfg_bts(pt, bts);
f_vty_transceive(pt, "si2quater neighbor-list add uarfcn " & int2str(uarfcn) & " " & int2str(sc) & " " & int2str(diversity));
f_vty_transceive(pt, "end");
}
function f_vty_si2q_del_uarfcn(TELNETasp_PT pt, BtsNr bts, UmtsArfcn uarfcn, UmtsScramblingCode sc) {
f_vty_enter_cfg_bts(pt, bts);
f_vty_transceive(pt, "si2quater neighbor-list del uarfcn " & int2str(uarfcn) & " " & int2str(sc));
f_vty_transceive(pt, "end");
}
testcase TC_telnet() runs on dummy_CT {
f_init();
f_vty_transceive(BSCVTY, "show network")
f_vty_enter_config(BSCVTY);
f_vty_transceive(BSCVTY, "network")
f_vty_transceive(BSCVTY, "bts 0")
f_vty_transceive(BSCVTY, "end")
setverdict(pass);
}
template SystemInformation t_SI_SI3 := {
header := t_RrHeader(SYSTEM_INFORMATION_TYPE_3, ?),
payload := { si3 := t_SI3 }
}
testcase TC_cellid() runs on dummy_CT {
var CellIdentity cid := float2int(rnd() * 65535.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.cell_id := cid;
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "cell_identity " & int2str(cid));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_lac() runs on dummy_CT {
var uint16_t lac := float2int(rnd() * 65535.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.lai.lac := lac;
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "location_area_code " & int2str(lac));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_rach_tx_int() runs on dummy_CT {
var uint16_t rach_tx_int := float2int(rnd() * 15.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.rach_control.tx_integer := int2bit(rach_tx_int, 4);
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "rach tx integer " & int2str(rach_tx_int));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_rach_max_tx() runs on dummy_CT {
var uint16_t r := float2int(rnd() * 3.0);
const integer max_tx_map[4] := { 1, 2, 4, 7 };
const RachCtrlPar_MR max_tx_map2[4] := { RACH_MAX_RETRANS_1,
RACH_MAX_RETRANS_2,
RACH_MAX_RETRANS_4,
RACH_MAX_RETRANS_7 };
var template SystemInformation t := t_SI_SI3;
t.payload.si3.rach_control.max_retrans := max_tx_map2[r];
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "rach max transmission " & int2str(max_tx_map[r]));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_dtx_ul() runs on dummy_CT {
var integer i := float2int(rnd() * 3.0);
var template SystemInformation t := t_SI_SI3;
var CellOptions_DTX dtx_map[3] := { MS_MAY_USE_UL_DTX,
MS_SHALL_USE_UL_DTX,
MS_SHALL_NOT_USE_UL_DTX };
t.payload.si3.cell_options.dtx := dtx_map[i];
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
if (i == 0) {
f_vty_transceive(BSCVTY, "dtx uplink");
} else if (i == 1) {
f_vty_transceive(BSCVTY, "dtx uplink force");
} else {
f_vty_transceive(BSCVTY, "no dtx uplink");
}
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_attach() runs on dummy_CT {
var integer i := float2int(rnd());
var template SystemInformation t := t_SI_SI3;
t.payload.si3.ctrl_chan_desc.att := int2bool(i);
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "channel-descrption attach " & int2str(i));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_bs_pa_mfrms() runs on dummy_CT {
var integer i := 2 + float2int(rnd() * 7.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.ctrl_chan_desc.bs_pa_mfrms := i - 2;
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "channel-descrption bs-pa-mfrms " & int2str(i));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_bs_ag_blks_res() runs on dummy_CT {
var integer i := float2int(rnd() * 7.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.ctrl_chan_desc.bs_ag_blks_res := i;
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "channel-descrption bs-ag-blks-res " & int2str(i));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_radio_link_timeout() runs on dummy_CT {
var integer i := float2int(rnd() * 15.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.cell_options.radio_link_tout_div4 := i;
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "radio-link-timeout " & int2str(4 + i*4));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_cell_resel_hyst() runs on dummy_CT {
var integer i := float2int(rnd() * 7.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.cell_sel_par.cell_resel_hyst_2dB := i;
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "cell reselection hysteresis " & int2str(i*2));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_rxlev_acc_min() runs on dummy_CT {
var integer i := float2int(rnd() * 63.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.cell_sel_par.rxlev_access_min := i;
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "rxlev access min " & int2str(i));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_neci() runs on dummy_CT {
var integer i := float2int(rnd() * 1.0);
var template SystemInformation t := t_SI_SI3;
t.payload.si3.cell_sel_par.neci := int2bool(i);
f_init();
f_vty_enter_cfg_network(BSCVTY);
f_vty_transceive(BSCVTY, "neci " & int2str(i));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
testcase TC_emerg_allowed() runs on dummy_CT {
var integer i := float2int(rnd());
var template SystemInformation t := t_SI_SI3;
if (i == 1) {
t.payload.si3.rach_control.acc := '?????0??????????'B;
} else {
t.payload.si3.rach_control.acc := '?????1??????????'B;
}
f_init();
f_vty_enter_cfg_bts(BSCVTY, 0);
f_vty_transceive(BSCVTY, "rach emergency call allowed " & int2str(i));
f_vty_transceive(BSCVTY, "end")
f_vty_si_resend(BSCVTY, 0);
f_gsmtap_match_si(GSMTAP, SYSTEM_INFORMATION_TYPE_3, t);
}
/* TODO:
* * don't only validate SI3 but check all other SI with same IE?
* * parse + validate rest octets somehow
* * validate contents/encoding of neighbor channel lists
* * validate si2quater sub-mux scheduling
*/
control {
execute(TC_si1());
execute(TC_telnet());
execute(TC_si_default());
execute(TC_si_sched_2bis());
execute(TC_si_sched_2ter());
execute(TC_si_sched_2ter_2bis());
execute(TC_si_sched_2quater());
execute(TC_si_sched_13());
execute(TC_si_sched_13_2bis_2ter_2quater());
execute(TC_neci());
execute(TC_cell_resel_hyst());
execute(TC_rxlev_acc_min());
execute(TC_cellid());
execute(TC_lac());
execute(TC_rach_tx_int());
execute(TC_rach_max_tx());
execute(TC_attach());
execute(TC_dtx_ul());
execute(TC_emerg_allowed());
execute(TC_bs_pa_mfrms());
execute(TC_bs_ag_blks_res());
execute(TC_radio_link_timeout());
}
}
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