int
ClientReportControlBlock_getTrgOps(ClientReportControlBlock self)
{
int triggerOps = 0;
if (self->trgOps != NULL) {
if (MmsValue_getBitStringBit(self->trgOps, 1))
triggerOps += TRG_OPT_DATA_CHANGED;
if (MmsValue_getBitStringBit(self->trgOps, 2))
triggerOps += TRG_OPT_QUALITY_CHANGED;
if (MmsValue_getBitStringBit(self->trgOps, 3))
triggerOps += TRG_OPT_DATA_UPDATE;
if (MmsValue_getBitStringBit(self->trgOps, 4))
triggerOps += TRG_OPT_INTEGRITY;
if (MmsValue_getBitStringBit(self->trgOps, 5))
triggerOps += TRG_OPT_GI;
}
return triggerOps;
}
MmsDataAccessError
Reporting_RCBWriteAccessHandler(MmsMapping* self, ReportControl* rc, char* elementName, MmsValue* value,
MmsServerConnection* connection)
{
if (strcmp(elementName, "RptEna") == 0) {
if (value->value.boolean == true) {
if (rc->enabled == true)
return DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
if (DEBUG)
printf("Activate report for client %s\n",
MmsServerConnection_getClientAddress(connection));
MmsValue* dataSetValue;
dataSetValue = ReportControl_getRCBValue(rc, "DatSet");
char* dataSetName = MmsValue_toString(dataSetValue);
if (rc->isDynamicDataSet) {
if (rc->dataSet != NULL)
MmsMapping_freeDynamicallyCreatedDataSet(rc->dataSet);
}
if (dataSetValue != NULL) {
DataSet* dataSet = IedModel_lookupDataSet(self->model, dataSetName);
if (dataSet == NULL) {
dataSet = MmsMapping_getDomainSpecificDataSet(self, dataSetName);
if (dataSet == NULL)
return DATA_ACCESS_ERROR_OBJECT_ATTRIBUTE_INCONSISTENT;
rc->isDynamicDataSet = true;
}
else
rc->isDynamicDataSet = false;
rc->dataSet = dataSet;
rc->inclusionField = MmsValue_newBitString(
dataSet->elementCount);
rc->clientConnection = connection;
// TODO check integrity bit in trigger options
MmsValue* intgPd = ReportControl_getRCBValue(rc, "IntgPd");
rc->intgPd = MmsValue_toUint32(intgPd);
MmsValue* rptEna = ReportControl_getRCBValue(rc, "RptEna");
MmsValue_update(rptEna, value);
MmsValue* bufTm = ReportControl_getRCBValue(rc, "BufTm");
rc->bufTm = MmsValue_toUint32(bufTm);
rc->triggerOps = 0;
MmsValue* trgOps = ReportControl_getRCBValue(rc, "TrgOps");
if (MmsValue_getBitStringBit(trgOps, 1))
rc->triggerOps += TRG_OPT_DATA_CHANGED;
if (MmsValue_getBitStringBit(trgOps, 2))
rc->triggerOps += TRG_OPT_QUALITY_CHANGED;
if (MmsValue_getBitStringBit(trgOps, 3))
rc->triggerOps += TRG_OPT_DATA_UPDATE;
if (MmsValue_getBitStringBit(trgOps, 4))
rc->triggerOps += TRG_OPT_INTEGRITY;
if (MmsValue_getBitStringBit(trgOps, 5))
rc->triggerOps += TRG_OPT_GI;
rc->sqNum = 0;
rc->inclusionFlags = (ReportInclusionFlag*) calloc(dataSet->elementCount, sizeof(ReportInclusionFlag));
rc->enabled = true;
return DATA_ACCESS_ERROR_SUCCESS;
}
return DATA_ACCESS_ERROR_OBJECT_ATTRIBUTE_INCONSISTENT;
}
else {
if (((rc->enabled) || (rc->reserved)) && (rc->clientConnection != connection))
return DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
if (DEBUG)
printf("Deactivate report for client %s\n",
MmsServerConnection_getClientAddress(connection));
free(rc->inclusionFlags);
rc->inclusionFlags = NULL;
rc->enabled = false;
}
}
if (strcmp(elementName, "GI") == 0) {
if ((rc->enabled) && (rc->clientConnection == connection)) {
rc->gi = true;
return DATA_ACCESS_ERROR_SUCCESS;;
}
else
return DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
}
if (rc->enabled == false) {
if ((rc->reserved) && (rc->clientConnection != connection))
return DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
if (rc->bufferd == false) {
if (strcmp(elementName, "Resv") == 0) {
rc->reserved = value->value.boolean;
if (rc->reserved == true)
rc->clientConnection = connection;
}
}
MmsValue* rcbValue = ReportControl_getRCBValue(rc, elementName);
if (rcbValue != NULL)
MmsValue_update(rcbValue, value);
else
return DATA_ACCESS_ERROR_OBJECT_VALUE_INVALID;
}
else
return DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
return DATA_ACCESS_ERROR_SUCCESS;;
}
static void
sendReport(ReportControl* self, bool isIntegrity, bool isGI)
{
LinkedList reportElements = LinkedList_create();
LinkedList deletableElements = LinkedList_create();
MmsValue* rptId = ReportControl_getRCBValue(self, "RptID");
MmsValue* optFlds = ReportControl_getRCBValue(self, "OptFlds");
MmsValue* datSet = ReportControl_getRCBValue(self, "DatSet");
LinkedList_add(reportElements, rptId);
LinkedList_add(reportElements, optFlds);
/* delete option fields for unsupported options */
MmsValue_setBitStringBit(optFlds, 5, false); /* data-reference */
MmsValue_setBitStringBit(optFlds, 7, false); /* entryID */
MmsValue_setBitStringBit(optFlds, 9, false); /* segmentation */
MmsValue* sqNum = ReportControl_getRCBValue(self, "SqNum");
if (MmsValue_getBitStringBit(optFlds, 1)) /* sequence number */
LinkedList_add(reportElements, sqNum);
if (MmsValue_getBitStringBit(optFlds, 2)) { /* report time stamp */
LinkedList_add(reportElements, self->timeOfEntry);
}
if (MmsValue_getBitStringBit(optFlds, 4)) /* data set reference */
LinkedList_add(reportElements, datSet);
if (MmsValue_getBitStringBit(optFlds, 6)) { /* bufOvfl */
MmsValue* bufOvfl = MmsValue_newBoolean(false);
LinkedList_add(reportElements, bufOvfl);
LinkedList_add(deletableElements, bufOvfl);
}
if (MmsValue_getBitStringBit(optFlds, 8))
LinkedList_add(reportElements, self->confRev);
if (isGI || isIntegrity)
MmsValue_setAllBitStringBits(self->inclusionField);
else
MmsValue_deleteAllBitStringBits(self->inclusionField);
LinkedList_add(reportElements, self->inclusionField);
/* add data set value elements */
int i = 0;
for (i = 0; i < self->dataSet->elementCount; i++) {
if (isGI || isIntegrity)
LinkedList_add(reportElements, self->dataSet->fcda[i]->value);
else {
if (self->inclusionFlags[i] != REPORT_CONTROL_NONE) {
LinkedList_add(reportElements, self->dataSet->fcda[i]->value);
MmsValue_setBitStringBit(self->inclusionField, i, true);
}
}
}
/* add reason code to report if requested */
if (MmsValue_getBitStringBit(optFlds, 3)) {
for (i = 0; i < self->dataSet->elementCount; i++) {
if (isGI || isIntegrity) {
MmsValue* reason = MmsValue_newBitString(6);
if (isGI)
MmsValue_setBitStringBit(reason, 5, true);
if (isIntegrity)
MmsValue_setBitStringBit(reason, 4, true);
LinkedList_add(reportElements, reason);
LinkedList_add(deletableElements, reason);
}
else if (self->inclusionFlags[i] != REPORT_CONTROL_NONE) {
MmsValue* reason = MmsValue_newBitString(6);
switch(self->inclusionFlags[i]) {
case REPORT_CONTROL_QUALITY_CHANGED:
MmsValue_setBitStringBit(reason, 2, true);
break;
case REPORT_CONTROL_VALUE_CHANGED:
MmsValue_setBitStringBit(reason, 1, true);
break;
case REPORT_CONTROL_VALUE_UPDATE:
MmsValue_setBitStringBit(reason, 3, true);
break;
}
LinkedList_add(reportElements, reason);
LinkedList_add(deletableElements, reason);
}
}
}
/* clear inclusion flags */
for (i = 0; i < self->dataSet->elementCount; i++) {
self->inclusionFlags[i] = REPORT_CONTROL_NONE;
}
MmsServerConnection_sendInformationReportVMDSpecific(self->clientConnection, "RPT", reportElements);
/* Increase sequence number */
self->sqNum++;
MmsValue_setUint16(sqNum, self->sqNum);
LinkedList_destroyDeep(deletableElements, (LinkedListValueDeleteFunction) MmsValue_delete);
LinkedList_destroyStatic(reportElements);
/* clear GI flag */
if (isGI) {
MmsValue* gi = ReportControl_getRCBValue(self, "GI");
self->gi = false;
MmsValue_setBoolean(gi, false);
}
}
MmsDataAccessError
Control_writeAccessControlObject(MmsMapping* self, MmsDomain* domain, char* variableIdOrig,
MmsValue* value, MmsServerConnection connection)
{
MmsDataAccessError indication = DATA_ACCESS_ERROR_OBJECT_ACCESS_DENIED;
if (DEBUG_IED_SERVER)
printf("IED_SERVER: writeAccessControlObject: %s\n", variableIdOrig);
char variableId[65];
strncpy(variableId, variableIdOrig, 64);
variableId[64] = 0;
char* separator = strchr(variableId, '$');
if (separator == NULL)
goto free_and_return;
*separator = 0;
char* lnName = variableId;
if (lnName == NULL)
goto free_and_return;
char* objectName = MmsMapping_getNextNameElement(separator + 1);
if (objectName == NULL)
goto free_and_return;
char* varName = MmsMapping_getNextNameElement(objectName);
if (varName != NULL) {
bool foundVar = false;
char* nextVarName = varName;
do {
if (doesElementEquals(varName, "Oper") ||
doesElementEquals(varName, "SBO") ||
doesElementEquals(varName, "SBOw") ||
doesElementEquals(varName, "Cancel"))
{
*(varName - 1) = 0;
foundVar = true;
break;
}
nextVarName = MmsMapping_getNextNameElement(varName);
if (nextVarName != NULL)
varName = nextVarName;
} while (nextVarName != NULL);
if (foundVar == false)
varName = NULL;
}
if (DEBUG_IED_SERVER)
printf("IED_SERVER: write access control: objectName: (%s) varName: (%s)\n", objectName, varName);
if (varName == NULL) {
indication = DATA_ACCESS_ERROR_OBJECT_ACCESS_DENIED;
goto free_and_return;
}
ControlObject* controlObject = Control_lookupControlObject(self, domain, lnName, objectName);
if (controlObject == NULL) {
indication = DATA_ACCESS_ERROR_OBJECT_ACCESS_DENIED;
goto free_and_return;
}
initialize(controlObject);
if (strcmp(varName, "SBOw") == 0) { /* select with value */
if (controlObject->ctlModel == 4) {
MmsValue* ctlVal = getCtlVal(value);
if (ctlVal != NULL) {
MmsValue* ctlNum = getOperParameterCtlNum(value);
MmsValue* origin = getOperParameterOrigin(value);
MmsValue* check = getOperParameterCheck(value);
MmsValue* test = getOperParameterTest(value);
if (checkValidityOfOriginParameter(origin) == false) {
indication = DATA_ACCESS_ERROR_OBJECT_VALUE_INVALID;
goto free_and_return;
}
uint64_t currentTime = Hal_getTimeInMs();
checkSelectTimeout(controlObject, currentTime);
int state = getState(controlObject);
if (state != STATE_UNSELECTED) {
indication = DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
if (connection != controlObject->mmsConnection)
ControlObject_sendLastApplError(controlObject, connection, "SBOw", 0,
ADD_CAUSE_LOCKED_BY_OTHER_CLIENT, ctlNum, origin, true);
else
ControlObject_sendLastApplError(controlObject, connection, "SBOw", 0,
ADD_CAUSE_OBJECT_ALREADY_SELECTED, ctlNum, origin, true);
if (DEBUG_IED_SERVER)
printf("SBOw: select failed!\n");
}
else {
CheckHandlerResult checkResult = CONTROL_ACCEPTED;
bool interlockCheck = MmsValue_getBitStringBit(check, 1);
bool testCondition = MmsValue_getBoolean(test);
if (controlObject->checkHandler != NULL) { /* perform operative tests */
ClientConnection clientConnection = private_IedServer_getClientConnectionByHandle(self->iedServer,
connection);
checkResult = controlObject->checkHandler(
controlObject->checkHandlerParameter, ctlVal, testCondition, interlockCheck,
clientConnection);
}
if (checkResult == CONTROL_ACCEPTED) {
selectObject(controlObject, currentTime, connection);
updateControlParameters(controlObject, ctlVal, ctlNum, origin);
indication = DATA_ACCESS_ERROR_SUCCESS;
if (DEBUG_IED_SERVER)
printf("SBOw: selected successful\n");
}
else {
indication = getDataAccessErrorFromCheckHandlerResult(checkResult);
ControlObject_sendLastApplError(controlObject, connection, "SBOw", 0,
ADD_CAUSE_SELECT_FAILED, ctlNum, origin, true);
if (DEBUG_IED_SERVER)
printf("SBOw: select rejected by application!\n");
}
}
}
else {
indication = DATA_ACCESS_ERROR_OBJECT_VALUE_INVALID;
}
}
else {
indication = DATA_ACCESS_ERROR_OBJECT_ACCESS_DENIED;
goto free_and_return;
}
}
else if (strcmp(varName, "Oper") == 0) {
MmsValue* ctlVal = getCtlVal(value);
MmsValue* test = getOperParameterTest(value);
MmsValue* ctlNum = getOperParameterCtlNum(value);
MmsValue* origin = getOperParameterOrigin(value);
MmsValue* check = getOperParameterCheck(value);
MmsValue* timeParameter = getOperParameterTime(value);
if ((ctlVal == NULL) || (test == NULL) || (ctlNum == NULL) || (origin == NULL) || (check == NULL)
|| (timeParameter == NULL)) {
indication = DATA_ACCESS_ERROR_OBJECT_VALUE_INVALID;
goto free_and_return;
}
if (checkValidityOfOriginParameter(origin) == false) {
indication = DATA_ACCESS_ERROR_OBJECT_VALUE_INVALID;
goto free_and_return;
}
uint64_t currentTime = Hal_getTimeInMs();
checkSelectTimeout(controlObject, currentTime);
int state = getState(controlObject);
if (state == STATE_WAIT_FOR_ACTIVATION_TIME) {
indication = DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
ControlObject_sendLastApplError(controlObject, connection, "Oper",
CONTROL_ERROR_NO_ERROR, ADD_CAUSE_COMMAND_ALREADY_IN_EXECUTION,
ctlNum, origin, true);
goto free_and_return;
}
else if (state == STATE_READY) {
bool interlockCheck = MmsValue_getBitStringBit(check, 1);
bool synchroCheck = MmsValue_getBitStringBit(check, 0);
bool testCondition = MmsValue_getBoolean(test);
controlObject->testMode = testCondition;
if ((controlObject->ctlModel == 2) || (controlObject->ctlModel == 4)) {
if (controlObject->mmsConnection != connection) {
indication = DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
if (DEBUG_IED_SERVER)
printf("Oper: operate from wrong client connection!\n");
goto free_and_return;
}
if (controlObject->ctlModel == 4) { /* select-before-operate with enhanced security */
if ((MmsValue_equals(ctlVal, controlObject->ctlVal) &&
MmsValue_equals(origin, controlObject->origin) &&
MmsValue_equals(ctlNum, controlObject->ctlNum)) == false)
{
indication = DATA_ACCESS_ERROR_TYPE_INCONSISTENT;
ControlObject_sendLastApplError(controlObject, connection, "Oper",
CONTROL_ERROR_NO_ERROR, ADD_CAUSE_INCONSISTENT_PARAMETERS,
ctlNum, origin, true);
goto free_and_return;
}
}
}
updateControlParameters(controlObject, ctlVal, ctlNum, origin);
MmsValue* operTm = getOperParameterOperTime(value);
if (operTm != NULL) {
controlObject->operateTime = MmsValue_getUtcTimeInMs(operTm);
if (controlObject->operateTime != 0) {
controlObject->timeActivatedOperate = true;
controlObject->synchroCheck = synchroCheck;
controlObject->interlockCheck = interlockCheck;
controlObject->mmsConnection = connection;
initiateControlTask(controlObject);
setState(controlObject, STATE_WAIT_FOR_ACTIVATION_TIME);
if (DEBUG_IED_SERVER)
printf("Oper: activate time activated control\n");
indication = DATA_ACCESS_ERROR_SUCCESS;
}
}
MmsValue_update(controlObject->oper, value);
if (controlObject->timeActivatedOperate == false) {
CheckHandlerResult checkResult = CONTROL_ACCEPTED;
if (controlObject->checkHandler != NULL) { /* perform operative tests */
ClientConnection clientConnection = private_IedServer_getClientConnectionByHandle(self->iedServer,
connection);
checkResult = controlObject->checkHandler(
controlObject->checkHandlerParameter, ctlVal, testCondition, interlockCheck,
clientConnection);
}
if (checkResult == CONTROL_ACCEPTED) {
indication = DATA_ACCESS_ERROR_NO_RESPONSE;
controlObject->mmsConnection = connection;
controlObject->operateInvokeId = MmsServerConnection_getLastInvokeId(connection);
setState(controlObject, STATE_WAIT_FOR_EXECUTION);
initiateControlTask(controlObject);
#if (CONFIG_MMS_THREADLESS_STACK == 1)
//TODO call this in single threaded version to increase response time!?
//executeControlTask(controlObject);
#endif
}
else {
indication = getDataAccessErrorFromCheckHandlerResult(checkResult);
abortControlOperation(controlObject);
}
}
}
else if (state == STATE_UNSELECTED) {
if (DEBUG_IED_SERVER)
printf("IED_SERVER: Oper failed - control not selected!\n");
indication = DATA_ACCESS_ERROR_OBJECT_ACCESS_DENIED;
ControlObject_sendLastApplError(controlObject, connection, "Oper",
CONTROL_ERROR_NO_ERROR, ADD_CAUSE_OBJECT_NOT_SELECTED,
ctlNum, origin, true);
goto free_and_return;
}
}
else if (strcmp(varName, "Cancel") == 0) {
if (DEBUG_IED_SERVER)
printf("IED_SERVER: control received cancel!\n");
int state = getState(controlObject);
MmsValue* ctlNum = getCancelParameterCtlNum(value);
MmsValue* origin = getCancelParameterOrigin(value);
if ((ctlNum == NULL) || (origin == NULL)) {
indication = DATA_ACCESS_ERROR_TYPE_INCONSISTENT;
if (DEBUG_IED_SERVER)
printf("IED_SERVER: Invalid cancel message!\n");
goto free_and_return;
}
if ((controlObject->ctlModel == 2) || (controlObject->ctlModel == 4)) {
if (state != STATE_UNSELECTED) {
if (controlObject->mmsConnection == connection) {
indication = DATA_ACCESS_ERROR_SUCCESS;
setState(controlObject, STATE_UNSELECTED);
goto free_and_return;
}
else {
indication = DATA_ACCESS_ERROR_TEMPORARILY_UNAVAILABLE;
ControlObject_sendLastApplError(controlObject, connection, "Cancel",
CONTROL_ERROR_NO_ERROR, ADD_CAUSE_LOCKED_BY_OTHER_CLIENT,
ctlNum, origin, true);
}
}
}
if (controlObject->timeActivatedOperate) {
controlObject->timeActivatedOperate = false;
abortControlOperation(controlObject);
indication = DATA_ACCESS_ERROR_SUCCESS;
goto free_and_return;
}
}
free_and_return:
return indication;
}