int DSProImpl::updateLearning (const char *pszMessageId, uint8 ui8Usage)
{
const char *pszMethodName = "DSPro::updateLearning";
if (pszMessageId == NULL) {
return -1;
}
_m.lock (2018);
if (0 != _pInfoStore->updateUsage (pszMessageId, ui8Usage)) {
checkAndLogMsg (pszMethodName, Logger::L_MildError, "Unable to update 'usage' "
"value for message with id = <%s> \n", pszMessageId);
_m.unlock (2018);
return -2;
}
MetadataList *pMetadataList = _pInfoStore->getMetadataForData (pszMessageId);
if (pMetadataList != NULL) {
MetadataInterface *pCurr, *pNext;
pNext = pMetadataList->getFirst ();
for (unsigned int i = 0; ((pCurr = pNext) != NULL); i++) {
pNext = pMetadataList->getNext ();
IHMC_C45::C45AVList *pDataset = _pMetadataConf->getMetadataAsDataset (pCurr);
if (pDataset == NULL) {
checkAndLogMsg (pszMethodName, Logger::L_MildError, "Unable to convert the metadata "
"from message with id = <%s> to C45AVList class.\n", pszMessageId);
}
else {
int rc = _pNodeContextMgr->updateClassifier (pDataset);
if (rc < 0) {
checkAndLogMsg (pszMethodName, Logger::L_MildError, "Unable to use the metadata "
"from message with id = <%s> as input for the learning algorithm.\n",
pszMessageId);
}
delete pDataset;
}
delete pMetadataList->remove (pCurr);
}
delete pMetadataList;
}
_m.unlock (2018);
return 0;
}
int DSProQueryController::doQueryWithPropertyListOnApplicationMetadata (const void *pQuery, unsigned int uiQueryLen, const char *pszQueryQualifiers,
PtrLList<const char> *pResultsList)
{
const char *pszMethodName = "DSProQueryController::doQueryWithPropertyListOnApplicationMetadata";
MetadataList *pMetadataList = getAllMetadata (pszQueryQualifiers);
if (pMetadataList == nullptr) {
checkAndLogMsg (pszMethodName, Logger::L_Warning, "\n");
return -1;
}
PropertiesConditionsList *pPropertiesConditionsList = new PropertiesConditionsList();
String query ((char *) pQuery, uiQueryLen);
checkAndLogMsg (pszMethodName, Logger::L_Info, "Property conditions list = %s\n", query.c_str());
char *pszTemp = nullptr;
char *pszToken = nullptr;
pszToken = strtok_mt (query.c_str(), ";", &pszTemp);
while (pszToken) {
int rc;
if ((rc = pPropertiesConditionsList->addNewPropertyCondition (pszToken)) != 0) {
checkAndLogMsg (pszMethodName, Logger::L_Warning, "Failed in adding the new property condition\n");
return -2;
}
pszToken = strtok_mt (nullptr, ";", &pszTemp);
}
MetadataInterface *pCurr, *pNext;
pNext = pMetadataList->getFirst();
for (unsigned int i = 0; (pCurr = pNext) != nullptr; i++) {
pNext = pMetadataList->getNext();
char *pszBuffer = nullptr;
if (pCurr->getFieldValue (MetadataInterface::APPLICATION_METADATA, (char **) &pszBuffer) == 0 && pszBuffer != nullptr) {
matchPropertyListToApplicationMetadata (pszBuffer, pPropertiesConditionsList, pCurr, pResultsList);
free (pszBuffer);
}
delete pMetadataList->remove (pCurr);
}
delete pMetadataList;
return 0;
}
int DSProImpl::getData (const char *pszId, const char *pszCallbackParameter,
void **ppData, uint32 &ui32DataLen, bool &bHasMoreChunks)
{
const char *pszMethodName = "DSProImpl::getData";
bHasMoreChunks = false;
ui32DataLen = 0;
if (pszId == NULL || ppData == NULL || strcmp (pszId, MetaData::NO_REFERRED_OBJECT) == 0) {
return -1;
}
*ppData = NULL;
const String grpName (extractGroupFromKey (pszId));
if (grpName.length() <= 0) {
checkAndLogMsg (pszMethodName, Logger::L_MildError,
"Could not extract group from message id %s.\n", pszId);
return -2;
}
const bool bIsDSProGrp = DisServiceAdaptor::checkGroupName (grpName, DisServiceAdaptor::DSPRO_GROUP_NAME);
const bool bIsLargeObject = isOnDemandGroupName (grpName);
if (!bIsDSProGrp) {
}
if (_pDataStore->getData (pszId, ppData, ui32DataLen) < 0) {
checkAndLogMsg (pszMethodName, Logger::L_MildError,
"Could not read the data from the datacache.\n");
return -3;
}
_m.lock (2008);
if ((*ppData == NULL) || (ui32DataLen == 0)) {
// the data has not arrived yet, register the data request
if (_userReqs.put (pszId, pszCallbackParameter) == 0) {
checkAndLogMsg (pszMethodName, Logger::L_MildError, "data message "
"%s not found. Added it to _userReqs\n", pszId);
}
}
MetadataList *pMetadataList = _pInfoStore->getMetadataForData (pszId);
if (pMetadataList == NULL) {
checkAndLogMsg ("DSPro::getData", Logger::L_Warning, "metadata not "
"found for data message with id %s.\n", pszId);
}
else {
for (MetadataInterface *pMetadata = pMetadataList->getFirst();
pMetadata != NULL; pMetadata = pMetadataList->getNext()) {
char *pszMetadataId = NULL;
if (0 == pMetadata->getFieldValue (pMetadata->MESSAGE_ID, &pszMetadataId) &&
pszMetadataId != NULL) {
updateLearning (pszMetadataId, Classification::Useful);
free (pszMetadataId);
}
delete (pMetadata);
}
delete pMetadataList;
pMetadataList = NULL;
}
if (*ppData == NULL) {
_m.unlock (2008);
return 1;
}
// Copy the returned object
void *pDataCpy = NULL;
if (bIsLargeObject) {
pDataCpy = *ppData;
}
else {
uint32 ui32NewLen = 0;
MessageHeaders::MsgType type;
pDataCpy = MessageHeaders::removeDSProHeader (*ppData, ui32DataLen, ui32NewLen, type);
if (pDataCpy == NULL) {
checkAndLogMsg (pszMethodName, memoryExhausted);
free (*ppData);
_m.unlock (2008);
return -5;
}
ui32DataLen = ui32NewLen;
free (*ppData);
}
*ppData = pDataCpy;
_m.unlock (2008);
uint8 ui8NChunks, ui8TotChunks;
ui8NChunks = ui8TotChunks = 0;
if (_pDataStore->getNumberOfReceivedChunks (pszId, ui8NChunks, ui8TotChunks) < 0) {
checkAndLogMsg (pszMethodName, Logger::L_Warning, "error when trying "
"to check the number of received chunks for message %s\n", pszId);
return -6;
}
checkAndLogMsg (pszMethodName, Logger::L_Info, "getNumberOfReceivedChunks() "
"says that %d chunks out of %d have been received\n", ui8NChunks, ui8TotChunks);
bHasMoreChunks = (ui8TotChunks > ui8NChunks);
return 0;
}