bool LLObjectMediaDataClient::processQueueTimer()
{
if(isEmpty())
return true;
LL_DEBUGS("LLMediaDataClient") << "started, SORTED queue size is: " << mQueue.size()
<< ", RR queue size is: " << mRoundRobinQueue.size() << LL_ENDL;
LL_DEBUGS("LLMediaDataClientQueue") << " SORTED queue is: " << mQueue << LL_ENDL;
LL_DEBUGS("LLMediaDataClientQueue") << " RR queue is: " << mRoundRobinQueue << LL_ENDL;
// purgeDeadRequests();
sortQueue();
LL_DEBUGS("LLMediaDataClientQueue") << "after sort, SORTED queue is: " << mQueue << LL_ENDL;
serviceQueue();
swapCurrentQueue();
LL_DEBUGS("LLMediaDataClient") << "finished, SORTED queue size is: " << mQueue.size()
<< ", RR queue size is: " << mRoundRobinQueue.size() << LL_ENDL;
LL_DEBUGS("LLMediaDataClientQueue") << " SORTED queue is: " << mQueue << LL_ENDL;
LL_DEBUGS("LLMediaDataClientQueue") << " RR queue is: " << mRoundRobinQueue << LL_ENDL;
return isEmpty();
}
void LLMediaDataClient::serviceQueue()
{
request_queue_t *queue_p = getCurrentQueue();
// quick retry loop for cases where we shouldn't wait for the next timer tick
while(true)
{
if (queue_p->empty())
{
LL_DEBUGS("LLMediaDataClient") << "queue empty: " << (*queue_p) << LL_ENDL;
break;
}
// Peel one off of the items from the queue, and execute request
request_ptr_t request = queue_p->front();
llassert(!request.isNull());
const LLMediaDataClientObject *object = (request.isNull()) ? NULL : request->getObject();
llassert(NULL != object);
// Check for conditions that would make us just pop and rapidly loop through
// the queue.
if(request.isNull() ||
request->isMarkedSent() ||
NULL == object ||
object->isDead() ||
!object->hasMedia())
{
if (request.isNull())
{
LL_WARNS("LLMediaDataClient") << "Skipping NULL request" << LL_ENDL;
}
else {
LL_INFOS("LLMediaDataClient") << "Skipping : " << *request << " "
<< ((request->isMarkedSent()) ? " request is marked sent" :
((NULL == object) ? " object is NULL " :
((object->isDead()) ? "object is dead" :
((!object->hasMedia()) ? "object has no media!" : "BADNESS!")))) << LL_ENDL;
}
queue_p->pop_front();
continue; // jump back to the start of the quick retry loop
}
// Next, ask if this is "interesting enough" to fetch. If not, just stop
// and wait for the next timer go-round. Only do this for the sorted
// queue.
if (mCurrentQueueIsTheSortedQueue && !object->isInterestingEnough())
{
LL_DEBUGS("LLMediaDataClient") << "Not fetching " << *request << ": not interesting enough" << LL_ENDL;
break;
}
// Finally, try to send the HTTP message to the cap url
std::string url = request->getCapability();
bool maybe_retry = false;
if (!url.empty())
{
const LLSD &sd_payload = request->getPayload();
LL_INFOS("LLMediaDataClient") << "Sending request for " << *request << LL_ENDL;
// Call the subclass for creating the responder
LLHTTPClient::post(url, sd_payload, createResponder(request));
}
else {
LL_INFOS("LLMediaDataClient") << "NOT Sending request for " << *request << ": empty cap url!" << LL_ENDL;
maybe_retry = true;
}
bool exceeded_retries = request->getRetryCount() > mMaxNumRetries;
if (maybe_retry && ! exceeded_retries) // Try N times before giving up
{
// We got an empty cap, but in that case we will retry again next
// timer fire.
request->incRetryCount();
}
else {
if (exceeded_retries)
{
LL_WARNS("LLMediaDataClient") << "Could not send request " << *request << " for "
<< mMaxNumRetries << " tries...popping object id " << object->getID() << LL_ENDL;
// XXX Should we bring up a warning dialog??
}
queue_p->pop_front();
if (! mCurrentQueueIsTheSortedQueue) {
// Round robin
request->markSent(true);
mRoundRobinQueue.push_back(request);
}
}
// end of quick loop -- any cases where we want to loop will use 'continue' to jump back to the start.
break;
}
swapCurrentQueue();
}
