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/**
* @author ETSI / STF449 / STF484 / STF517
* @version $Url: https://oldforge.etsi.org/svn/LibIts/tags/20170222_STF527_Final/ttcn/DENM/LibItsDenm_Functions.ttcn $
* $Id: LibItsDenm_Functions.ttcn,v 1.5 2018/05/31 15:57:07 dte Exp $
* @desc Module containing functions for DENM
* @copyright ETSI Copyright Notification
* No part may be reproduced except as authorized by written permission.
* The copyright and the foregoing restriction extend to reproduction in all media.
* All rights reserved.
*
*/
module LibItsDenm_Functions {
// LibCommon
import from LibCommon_Sync all;
import from LibCommon_VerdictControl all;
import from LibCommon_Time { modulepar PX_TNOAC ; function f_sleep };
// LibIts
import from ITS_Container language "ASN.1:1997" all;
import from DENM_PDU_Descriptions language "ASN.1:1997" all;
// LibItsCommon
import from LibItsCommon_Templates all;
import from LibItsCommon_TypesAndValues all;
import from LibItsCommon_Functions all;
import from LibItsCommon_Pixits all;
// LibIts
import from LibItsDenm_TestSystem all;
import from LibItsDenm_TypesAndValues all;
import from LibItsDenm_Templates all;
// import from LibItsDenm_Pixits all;
import from LibItsDenm_Pics all;
group utFuntions {
/**
* @desc Requests to bring the IUT in an initial state
* @param p_init The initialisation to trigger.
*/
function f_utInitializeIut(template (value) UtDenmInitialize p_init) runs on ItsDenm {
//deactivate denmPort default alts
vc_denmDefaultActive := false;
utPort.send(p_init);
tc_wait.start;
alt {
[] utPort.receive(UtDenmResults: { utDenmInitializeResult := true }) {
tc_wait.stop;
log("*** " & testcasename() & ": INFO: IUT initialized ***");
}
[] a_utDefault() {
//empty on purpose
}
[] tc_wait.timeout {
log("*** " & testcasename() & ": INFO: Could not receive expected UT message from IUT in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
//activate denmPort default alts
vc_denmDefaultActive := true;
}
/**
* @desc Requests to change the IUT with a new pseudonym
* @param p_change The change to trigger.
*/
function f_utChangePseudonym ( template (value) UtDenmChangePseudonym p_change ) runs on ItsDenm {
//deactivate denmPort default alts
vc_denmDefaultActive := false;
utPort.send(p_change);
tc_wait.start;
alt {
[] utPort.receive(UtDenmResults: { utDenmChangePseudonymResult := true}) {
tc_wait.stop;
log("*** " & testcasename() & ": INFO: IUT pseudonym changed ***");
}
[] utPort.receive(UtDenmResults: { utDenmChangePseudonymResult := false}) {
tc_wait.stop;
log("*** " & testcasename() & ": INFO: IUT pseudonym unchanged ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] a_utDefault() {
//empty on purpose
}
[] tc_wait.timeout {
log("*** " & testcasename() & ": INFO: Could not receive expected UT message from IUT in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
//activate denmPort default alts
vc_denmDefaultActive := true;
}
/**
* @desc Triggers an event from the application layer
* @param p_event The event to trigger.
*/
function f_utTriggerEvent(in template (value) UtDenmTrigger p_event) runs on ItsDenm return ActionID {
var ActionID v_actionId;
var UtDenmResults v_result;
//deactivate denmPort default alts
vc_denmDefaultActive := false;
utPort.send(p_event);
tc_wait.start;
alt {
[] utPort.receive(UtDenmResults: { utDenmTriggerResult := ? }) -> value v_result {
tc_wait.stop;
v_actionId := v_result.utDenmTriggerResult.actionId;
if ( not v_result.utDenmTriggerResult.result ) {
f_selfOrClientSyncAndVerdict("DENM Trigger failed", e_error);
}
}
[] a_utDefault() {
//empty on purpose
}
[] tc_wait.timeout {
log("*** " & testcasename() & ": INFO: Could not receive expected UT message from IUT in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
//activate denmPort default alts
vc_denmDefaultActive := true;
return v_actionId;
}
/**
* @desc Updates an event at the application layer
* @param p_event The event to update.
*/
function f_utUpdateEvent(template (value) UtDenmUpdate p_event) runs on ItsDenm return ActionID {
var ActionID v_actionId;
var UtDenmResults v_result;
//deactivate denmPort default alts
vc_denmDefaultActive := false;
utPort.send(p_event);
tc_wait.start;
alt {
[] utPort.receive(UtDenmResults: { utDenmUpdateResult := ? }) -> value v_result {
tc_wait.stop;
v_actionId := v_result.utDenmUpdateResult.actionId;
}
[] a_utDefault() {
//empty on purpose
}
[] tc_wait.timeout {
log("*** " & testcasename() & ": INFO: Could not receive expected UT message from IUT in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
//activate denmPort default alts
vc_denmDefaultActive := true;
return v_actionId;
}
/**
* @desc Terminates an event at the application layer
* @param p_event The event to terminate.
*/
function f_utTerminateEvent(template (value) UtDenmTermination p_event) runs on ItsDenm {
//deactivate denmPort default alts
vc_denmDefaultActive := false;
utPort.send(p_event);
tc_wait.start;
alt {
[] utPort.receive(UtDenmResults: { utDenmTerminationResult := ?}) {
tc_wait.stop;
}
[] tc_wait.timeout {
log("*** " & testcasename() & ": INFO: Could not receive expected UT message from IUT in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
[] a_utDefault() {
//empty on purpose
}
}
//activate denmPort default alts
vc_denmDefaultActive := true;
}
/**
* @desc Changes the position of the IUT
* @param p_latitude
* @param p_longitude
* @param p_elevation
*/
function f_utChangePosition(template (value) UtDenmChangePosition p_position) runs on ItsDenm {
//deactivate denmPort default alts
vc_denmDefaultActive := false;
utPort.send(p_position);
tc_wait.start;
alt {
[] utPort.receive(UtDenmResults: { utDenmChangePositionResult := ? }) {
tc_wait.stop;
}
[] tc_wait.timeout {
log("*** " & testcasename() & ": INFO: Could not receive expected UT message from IUT in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
[] a_utDefault() {
//empty on purpose
}
}
//activate denmPort default alts
vc_denmDefaultActive := true;
}
} // End of group utFunctions
group adapterControl {
/**
* @desc Initialise secure mode if required
*/
function f_initialiseSecuredMode(
in charstring p_certificateId := PX_CERT_FOR_TS
) runs on ItsDenm {
if (PICS_IS_IUT_SECURED == true) {
if(e_success != f_acTriggerSecEvent(m_acEnableSecurity(p_certificateId))) {
log("*** INFO: TEST CASE NOW STOPPING ITSELF! ***");
stop;
}
}
} // End of function f_initialiseSecuredMode()
function f_uninitialiseSecuredMode() runs on ItsDenm {
if (PICS_IS_IUT_SECURED == true) {
f_acTriggerSecEvent(m_acDisableSecurity);
}
} // End of function f_initialiseSecuredMode()
/**
* @desc Triggers event in the test system adaptation.
* @param p_event The event to trigger
* @return FncRetCode
*/
function f_acTriggerSecEvent(
in template (value) AcSecPrimitive p_event
) runs on ItsDenm return FncRetCode {
var FncRetCode v_ret := e_success;
acPort.send(p_event);
tc_ac.start;
alt {
[] acPort.receive(m_acSecResponseSuccess) {
tc_ac.stop;
}
[] acPort.receive {
tc_ac.stop;
log("*** " & __SCOPE__ & ": ERROR: Received unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_ac.timeout {
log("*** " & __SCOPE__ & ": ERROR: Timeout while waiting for adapter control event result ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
return v_ret;
}
/**
* @desc Triggers event in the test system adaptation.
* @param p_event The event to trigger
* @return FncRetCode
*/
function f_acTriggerGnssEvent(template (value) AcGnssPrimitive p_event) runs on ItsDenm return FncRetCode {
var FncRetCode v_ret := e_success;
acPort.send(p_event);
tc_ac.start;
alt {
[] acPort.receive(m_acGnssResponseSuccess) {
tc_ac.stop;
}
[] acPort.receive {
tc_ac.stop;
log("*** " & __SCOPE__ & ": ERROR: Received unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_ac.timeout {
log("*** " & __SCOPE__ & ": ERROR: Timeout while waiting for adapter control event result ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
return v_ret;
}
/**
* @desc Loads the given scenario
*
* @param p_scenario The scenario to load.
*/
function f_acLoadScenario(Scenario p_scenario) runs on ItsDenm {
if (PX_GNSS_SCENARIO_SUPPORT==true) {
f_acTriggerGnssEvent(m_loadScenario(p_scenario));
}
} // End of function f_acLoadScenario
/**
* @desc Starts a loaded scenario
*/
function f_acStartScenario() runs on ItsDenm {
if (PX_GNSS_SCENARIO_SUPPORT==true) {
f_acTriggerGnssEvent(m_startScenario);
vc_scenarioStarted := true;
}
} // End of function f_acStartScenario
/**
* @desc Stops a loaded scenario
*/
function f_acStopScenario() runs on ItsDenm {
if (PX_GNSS_SCENARIO_SUPPORT==true and vc_scenarioStarted==true) {
f_acTriggerGnssEvent(m_stopScenario);
vc_scenarioStarted := false;
}
} // End of function f_acStopScenario
function f_acAwaitDistanceCovered(float p_distanceToCover) runs on ItsDenm return FncRetCode {
var FncRetCode v_ret := e_success;
if (PX_GNSS_SCENARIO_SUPPORT==true and vc_scenarioStarted==true) {
f_acTriggerGnssEvent(m_distanceToCover(p_distanceToCover));
tc_ac.start(PX_T_GNSS_AWAIT_DISTANCE_COVERED);
alt {
[] acPort.receive(m_acGnssDistanceCoveredSuccess) {
tc_ac.stop;
}
[] acPort.receive(m_acGnssDistanceCoveredError) {
tc_ac.stop;
log("*** " & __SCOPE__ & ": ERROR: Received unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_ac.timeout {
log("*** " & __SCOPE__ & ": ERROR: Timeout while waiting for covered distance indication ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
}
return v_ret;
} // End of function f_acAwaitDistanceCovered
function f_acAwaitSpeed(float p_speed, SpeedTrend p_speedTrend := e_accelerate) runs on ItsDenm return FncRetCode {
var FncRetCode v_ret := e_success;
if (PX_GNSS_SCENARIO_SUPPORT==true and vc_scenarioStarted==true) {
f_acTriggerGnssEvent(m_awaitSpeed(p_speed, p_speedTrend));
tc_ac.start(PX_T_GNSS_AWAIT_SPEED_REACHED);
alt {
[] acPort.receive(m_acGnssSpeedReachedSuccess) {
tc_ac.stop;
}
[] acPort.receive(m_acGnssSpeedReachedError) {
tc_ac.stop;
log("*** " & __SCOPE__ & ": ERROR: Received unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_ac.timeout {
log("*** " & __SCOPE__ & ": ERROR: Timeout while waiting for covered distance indication ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
}
return v_ret;
} // End of function f_acAwaitSpeed
function f_acAwaitTimeInRunningScenario(integer p_time) runs on ItsDenm return FncRetCode {
var FncRetCode v_ret := e_success;
if (PX_GNSS_SCENARIO_SUPPORT==true and vc_scenarioStarted==true) {
f_acTriggerGnssEvent(m_timeInRunningScenario(p_time));
tc_ac.start(int2float(p_time)*1.1);
alt {
[] acPort.receive(m_acGnssTimeReachedSuccess) {
tc_ac.stop;
}
[] acPort.receive(m_acGnssTimeReachedError) {
tc_ac.stop;
log("*** " & __SCOPE__ & ": ERROR: Received unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_ac.timeout {
log("*** " & __SCOPE__ & ": ERROR: Timeout while waiting for time reached indication ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
}
return v_ret;
} // end f_acAwaitTimeInRunningScenario
} // End of group adapterControl
group denmConfigurationFunctions {
/**
* @desc Setups default configuration
* @param p_certificateId The certificate identifier the TA shall use in case of secured IUT
*/
function f_cfUp(
in charstring p_certificateId := PX_CERT_FOR_TS
) runs on ItsDenm system ItsDenmSystem {
map(self:acPort, system:acPort);
map(self:utPort, system:utPort);
map(self:denmPort, system:denmPort);
f_connect4SelfOrClientSync();
// Initialise secured mode
f_initialiseSecuredMode(p_certificateId);
} // End of function f_cfUp
/**
* @desc Deletes default configuration
*/
function f_cfDown() runs on ItsDenm system ItsDenmSystem {
// Initialise secured mode
f_uninitialiseSecuredMode();
unmap(self:acPort, system:acPort);
unmap(self:utPort, system:utPort);
unmap(self:denmPort, system:denmPort);
f_disconnect4SelfOrClientSync();
} // End of function f_cfDown
} //end denmConfigurationFunctions
group altsteps {
/**
* @desc The base default.
*/
altstep a_default() runs on ItsDenm {
[vc_denmDefaultActive] denmPort.receive(mw_denmInd(mw_denmPdu(mw_anyDenm))) {
log("*** " & testcasename() & ": INFO: DENM message received in default ***");
vc_denmReceived := true;
repeat;
}
[vc_denmDefaultActive] denmPort.receive {
log("*** " & testcasename() & ": ERROR: Received an unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] acPort.receive(AdapterControlResults: { acGnssTimeReached := ?}) {
log("*** a_default: INFO: event received on AC port in default ***");
repeat;
}
[] acPort.receive(AdapterControlResults: { acGnssSpeedReached := ?}) {
log("*** a_default: INFO: event received on AC port in default ***");
repeat;
}
[] acPort.receive(AdapterControlResults: { acGnssDistanceCovered := ?}) {
log("*** a_default: INFO: event received on AC port in default ***");
repeat;
}
[] acPort.receive {
tc_ac.stop;
log("*** " & __SCOPE__ & ": ERROR: Received unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_wait.timeout {
log("*** " & testcasename() & ": INCONC: Timeout while awaiting reaction of the IUT prior to Upper Tester action ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
[] tc_ac.timeout {
log("*** " & testcasename() & ": INCONC: Timeout while awaiting the reception of a message ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
[] a_shutdown() {
f_poDefault();
f_cfDown();
log("*** " & testcasename() & ": INFO: TEST COMPONENT NOW STOPPING ITSELF! ***");
stop;
}
}
/**
* @desc The default for handling upper tester messages.
*/
altstep a_utDefault() runs on ItsDenm {
var UtDenmEventInd v_event;
[vc_utDefaultActive] utPort.receive(UtDenmEventInd:?) -> value v_event {
//store every upper tester indication received
vc_utEvents[lengthof(vc_utEvents)] := v_event;
repeat;
}
[vc_utDefaultActive] utPort.receive {
log("*** " & testcasename() & ": INFO: Received unhandled/unknown UT message from IUT ***");
repeat;
}
}
} // end group altsteps
group preambles {
/**
* @desc The default preamble.
*/
function f_prDefault() runs on ItsDenm {
vc_default := activate(a_default());
activate(a_utDefault());
}
/**
* @desc Brings the IUT into an initial state.
* @return FncRetCode
*/
function f_prInitialState(
in Scenario p_scenario := e_staticPosition,
in template (value) UtDenmInitialize p_denmInitialize := m_denmInitialize,
in boolean p_awaitTimeInRunningScenario := true
) runs on ItsDenm return FncRetCode {
var FncRetCode v_ret := e_success;
f_utInitializeIut(p_denmInitialize);
f_acLoadScenario(valueof(p_scenario));
f_acStartScenario();
if (p_awaitTimeInRunningScenario) {
f_acAwaitTimeInRunningScenario(f_getTimeForGpsFix());
}
f_prDefault();
return v_ret;
}
} // end group preambles
group postambles {
/**
* @desc The default postamble.
*/
function f_poDefault() runs on ItsDenm {
var FncRetCode v_ret := e_success;
f_acStopScenario();
}
/**
* @desc Postamble including cancellation of an event.
* @param p_trigger Indicates if the cancellation have to be raised by the test system(e_ets)
* or at the application layer of the IUT(e_iut).
* @param p_actionId The action ID of the event to be cancelled
*/
function f_poCancelEvent(template (value) Trigger p_trigger, template (value) ActionID p_actionId)
runs on ItsDenm {
var FncRetCode v_ret := e_success;
if (valueof(p_trigger) == e_ets) {
f_sendDenMessage( m_denmCancellation ( p_actionId , f_getTsStationType( ) ) );
f_sleep(PX_TNOAC);
}
else {
f_utTerminateEvent(m_utEventCancellation(p_actionId));
}
f_poDefault();
}
} // end group postambles
group sendFunctions {
/**
* @desc Sends a DEN message
* @param p_sendMsg The DEN message to send.
* @param p_overrideSeqNo Overrides the sequence number with the stored one.
*/
function f_sendDenMessage(template (value) DecentralizedEnvironmentalNotificationMessage p_denm, boolean p_overrideSeqNo := true) runs on ItsDenm return ActionID {
if (p_overrideSeqNo) {
p_denm.management.actionID.sequenceNumber := vc_sequenceNo;
}
denmPort.send(
m_denmReq(
m_denmPdu(
p_denm
)
)
);
return valueof(p_denm.management.actionID);
}
} // end sendFunctions
group receiveFunctions {
/**
* @desc Awaits a DEN message and returns it
* @param p_rcvMsg The expected message to be received.
* @param p_rcvdMsg The received message - OUT.
*/
function f_awaitDenMessage(in template (present) DenmInd p_rcvMsg, out DenmInd p_rcvdMsg) runs on ItsDenm {
tc_ac.start;
alt {
[] denmPort.receive(p_rcvMsg) -> value p_rcvdMsg {
tc_ac.stop;
}
[] tc_ac.timeout {
log("*** " & testcasename() & ": INFO: Timeout while awaiting the reception of a message ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
}
} // end receiveFunctions
group miscellaneousFunctions {
/**
* @desc Increases the sequence number and handles the special case where the
* sequence number reaches the limit of 65535 and will be reset to 0.
* @param p_sequenceNumber The sequence number to increase.
* @return The increased sequence number.
*/
function f_increaseSequenceNumber(in SequenceNumber p_sequenceNumber) return SequenceNumber {
// if maximum number of 65535 reached, reset it to 0
return ((p_sequenceNumber + 1) mod 65536);
}
} // end group miscellaneousFunctions
} // end LibItsDenm_Functions