void PositionUpdater::doMetadataArrived (StringHashtable<MsgIdList > *pMsgToNotifyByQueryId)
{
if (pMsgToNotifyByQueryId == nullptr) {
return;
}
const char *pszMethodName = "PositionUpdater::doMetadataArrived";
String msgId;
StringHashtable<LList<String> >::Iterator iter = pMsgToNotifyByQueryId->getAllElements();
for (; !iter.end(); iter.nextElement()) {
const char *pszQueryId = iter.getKey();
LList<String> *pMsgToNotify = iter.getValue();
for (int rc = pMsgToNotify->getFirst (msgId); rc == 1; rc = pMsgToNotify->getNext (msgId)) {
MessageHeaders::MsgType type;
Message *pMessage = getCompleteMessageAndRemoveDSProMetadata (_pDSPro->_pDataStore, msgId.c_str(), type);
if (pMessage == nullptr || (type != MessageHeaders::Data && type != MessageHeaders::Metadata)) {
// The message to be notified to the application was not found at
// this time. Re-add it to the list of messages to notify so it can
// be tried again later.
static const char * messageIds[2];
messageIds[0] = msgId.c_str();
messageIds[1] = nullptr;
addMetadataToNotify (pszQueryId, messageIds);
}
else {
MessageInfo *pMI = pMessage->getMessageInfo();
char *pszId = convertFieldToKey (pMI->getGroupName(), pMI->getPublisherNodeId(), pMI->getMsgSeqId());
const String currMsgId (pszId);
if (pszId == nullptr) {
checkAndLogMsg (pszMethodName, memoryExhausted);
}
else {
free (pszId);
pszId = nullptr;
}
String sGrpName (MessageIdGenerator::extractSubgroupFromMsgGroup (pMI->getGroupName()));
if (sGrpName.length() <= 0) {
checkAndLogMsg (pszMethodName, Logger::L_MildError, "could not extract group message id\n");
sGrpName = pMI->getGroupName();
}
if (type == MessageHeaders::Metadata) {
MetaData *pMetadata = toMetadata (pMessage->getData(), pMI->getTotalMessageLength());
if (pMetadata != nullptr) {
String sReferredObjectId, sReferredInstanceId, sRefersTo;
getReferredObjectAndInstanceIds (pMetadata, sReferredObjectId, sReferredInstanceId, sRefersTo);
int rc = _pDSPro->metadataArrived (currMsgId, sGrpName, sReferredObjectId,
sReferredInstanceId, pMetadata, sRefersTo,
pszQueryId);
checkAndLogMsg (pszMethodName, Logger::L_Info, "notified clients "
"with message %s matching query request %s\n/",
currMsgId.c_str(), pszQueryId);
delete pMetadata;
pMetadata = nullptr;
if (rc != 0) {
checkAndLogMsg (pszMethodName, Logger::L_Warning, "Can not notify message "
"with id = <%s> failed. Returned %d\n", currMsgId.c_str(), rc);
}
else {
checkAndLogMsg (pszMethodName, Logger::L_Info, "client applications "
"notified message with id: <%s>.\n", currMsgId.c_str());
}
}
}
else {
// Data or chunked data
uint8 ui8ChunkIndex = pMI->getTotalNumberOfChunks() == 0 ? (uint8) 0 : 1; // HACK: For the general case I need to figure out the current number of chunks from the database
rc = _pDSPro->dataArrived (currMsgId, sGrpName, pMI->getObjectId(), pMI->getInstanceId(),
pMI->getAnnotates(), pMI->getMimeType(), pMessage->getData(),
pMI->getTotalMessageLength(), ui8ChunkIndex, pMI->getTotalNumberOfChunks(),
pszQueryId);
}
free ((void*) pMessage->getData());
delete pMessage->getMessageHeader();
delete pMessage;
}
}
}
}
