summaryrefslogtreecommitdiff
path: root/indra/newview/llmediadataclient.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'indra/newview/llmediadataclient.cpp')
-rwxr-xr-xindra/newview/llmediadataclient.cpp782
1 files changed, 449 insertions, 333 deletions
diff --git a/indra/newview/llmediadataclient.cpp b/indra/newview/llmediadataclient.cpp
index 3c337961e1..0a20a4a1c9 100755
--- a/indra/newview/llmediadataclient.cpp
+++ b/indra/newview/llmediadataclient.cpp
@@ -61,248 +61,332 @@
const F32 LLMediaDataClient::QUEUE_TIMER_DELAY = 1.0; // seconds(s)
const F32 LLMediaDataClient::UNAVAILABLE_RETRY_TIMER_DELAY = 5.0; // secs
const U32 LLMediaDataClient::MAX_RETRIES = 4;
+const U32 LLMediaDataClient::MAX_SORTED_QUEUE_SIZE = 10000;
+const U32 LLMediaDataClient::MAX_ROUND_ROBIN_QUEUE_SIZE = 10000;
//////////////////////////////////////////////////////////////////////////////////////
//
-// LLMediaDataClient::Request
+// LLMediaDataClient
//
//////////////////////////////////////////////////////////////////////////////////////
-/*static*/U32 LLMediaDataClient::Request::sNum = 0;
-LLMediaDataClient::Request::Request(const std::string &cap_name,
- const LLSD& sd_payload,
- LLMediaDataClientObject *obj,
- LLMediaDataClient *mdc)
- : mCapName(cap_name),
- mPayload(sd_payload),
- mObject(obj),
- mNum(++sNum),
- mRetryCount(0),
- mMDC(mdc)
+LLMediaDataClient::LLMediaDataClient(F32 queue_timer_delay,
+ F32 retry_timer_delay,
+ U32 max_retries,
+ U32 max_sorted_queue_size,
+ U32 max_round_robin_queue_size)
+ : mQueueTimerDelay(queue_timer_delay),
+ mRetryTimerDelay(retry_timer_delay),
+ mMaxNumRetries(max_retries),
+ mMaxSortedQueueSize(max_sorted_queue_size),
+ mMaxRoundRobinQueueSize(max_round_robin_queue_size),
+ mQueueTimerIsRunning(false),
+ mCurrentQueueIsTheSortedQueue(true)
{
}
-LLMediaDataClient::Request::~Request()
+LLMediaDataClient::~LLMediaDataClient()
{
- LL_DEBUGS("LLMediaDataClient") << "~Request" << (*this) << LL_ENDL;
- mMDC = NULL;
- mObject = NULL;
-}
+ stopQueueTimer();
-
-std::string LLMediaDataClient::Request::getCapability() const
-{
- return getObject()->getCapabilityUrl(getCapName());
+ // This should clear the queue, and hopefully call all the destructors.
+ LL_DEBUGS("LLMediaDataClient") << "~LLMediaDataClient destructor: queue: " <<
+ (isEmpty() ? "<empty> " : "<not empty> ") << LL_ENDL;
+
+ mSortedQueue.clear();
+ mRoundRobinQueue.clear();
}
-// Helper function to get the "type" of request, which just pokes around to
-// discover it.
-LLMediaDataClient::Request::Type LLMediaDataClient::Request::getType() const
+bool LLMediaDataClient::isEmpty() const
{
- if (mCapName == "ObjectMediaNavigate")
- {
- return NAVIGATE;
- }
- else if (mCapName == "ObjectMedia")
- {
- const std::string &verb = mPayload["verb"];
- if (verb == "GET")
- {
- return GET;
- }
- else if (verb == "UPDATE")
- {
- return UPDATE;
- }
- }
- llassert(false);
- return GET;
+ return mSortedQueue.empty() && mRoundRobinQueue.empty();
}
-const char *LLMediaDataClient::Request::getTypeAsString() const
+bool LLMediaDataClient::isInQueue(const LLMediaDataClientObject::ptr_t &object)
{
- Type t = getType();
- switch (t)
- {
- case GET:
- return "GET";
- break;
- case UPDATE:
- return "UPDATE";
- break;
- case NAVIGATE:
- return "NAVIGATE";
- break;
- }
- return "";
+ return (LLMediaDataClient::findOrRemove(mSortedQueue, object, false/*remove*/, LLMediaDataClient::Request::ANY).notNull()
+ || (LLMediaDataClient::findOrRemove(mRoundRobinQueue, object, false/*remove*/, LLMediaDataClient::Request::ANY).notNull()));
}
-
-void LLMediaDataClient::Request::reEnqueue() const
+bool LLMediaDataClient::removeFromQueue(const LLMediaDataClientObject::ptr_t &object)
{
- // I sure hope this doesn't deref a bad pointer:
- mMDC->enqueue(this);
+ bool removedFromSortedQueue = LLMediaDataClient::findOrRemove(mSortedQueue, object, true/*remove*/, LLMediaDataClient::Request::ANY).notNull();
+ bool removedFromRoundRobinQueue = LLMediaDataClient::findOrRemove(mRoundRobinQueue, object, true/*remove*/, LLMediaDataClient::Request::ANY).notNull();
+ return removedFromSortedQueue || removedFromRoundRobinQueue;
}
-F32 LLMediaDataClient::Request::getRetryTimerDelay() const
+//static
+LLMediaDataClient::request_ptr_t LLMediaDataClient::findOrRemove(request_queue_t &queue, const LLMediaDataClientObject::ptr_t &obj, bool remove, LLMediaDataClient::Request::Type type)
{
- return (mMDC == NULL) ? LLMediaDataClient::UNAVAILABLE_RETRY_TIMER_DELAY :
- mMDC->mRetryTimerDelay;
+ request_ptr_t result;
+ request_queue_t::iterator iter = queue.begin();
+ request_queue_t::iterator end = queue.end();
+ while (iter != end)
+ {
+ if (obj->getID() == (*iter)->getObject()->getID() && (type == LLMediaDataClient::Request::ANY || type == (*iter)->getType()))
+ {
+ result = *iter;
+ if (remove) queue.erase(iter);
+ break;
+ }
+ iter++;
+ }
+ return result;
}
-U32 LLMediaDataClient::Request::getMaxNumRetries() const
+void LLMediaDataClient::request(const LLMediaDataClientObject::ptr_t &object, const LLSD &payload)
{
- return (mMDC == NULL) ? LLMediaDataClient::MAX_RETRIES : mMDC->mMaxNumRetries;
+ if (object.isNull() || ! object->hasMedia()) return;
+
+ // Push the object on the queue
+ enqueue(new Request(getCapabilityName(), payload, object, this));
}
-std::ostream& operator<<(std::ostream &s, const LLMediaDataClient::Request &r)
+void LLMediaDataClient::enqueue(const Request *request)
{
- s << "<request>"
- << "<num>" << r.getNum() << "</num>"
- << "<type>" << r.getTypeAsString() << "</type>"
- << "<object_id>" << r.getObject()->getID() << "</object_id>"
- << "<num_retries>" << r.getRetryCount() << "</num_retries>"
- << "</request> ";
- return s;
+ if (request->isNew())
+ {
+ // Add to sorted queue
+ if (LLMediaDataClient::findOrRemove(mSortedQueue, request->getObject(), true/*remove*/, request->getType()).notNull())
+ {
+ LL_DEBUGS("LLMediaDataClient") << "REMOVING OLD request for " << *request << " ALREADY THERE!" << LL_ENDL;
+ }
+
+ LL_DEBUGS("LLMediaDataClient") << "Queuing SORTED request for " << *request << LL_ENDL;
+
+ // Sadly, we have to const-cast because items put into the queue are not const
+ mSortedQueue.push_back(const_cast<LLMediaDataClient::Request*>(request));
+
+ LL_DEBUGS("LLMediaDataClient") << "SORTED queue:" << mSortedQueue << LL_ENDL;
+ }
+ else {
+ if (mRoundRobinQueue.size() > mMaxRoundRobinQueueSize)
+ {
+ LL_INFOS_ONCE("LLMediaDataClient") << "RR QUEUE MAXED OUT!!!" << LL_ENDL;
+ LL_DEBUGS("LLMediaDataClient") << "Not queuing " << *request << LL_ENDL;
+ return;
+ }
+
+ // ROUND ROBIN: if it is there, and it is a GET request, leave it. If not, put at front!
+ request_ptr_t existing_request;
+ if (request->getType() == Request::GET)
+ {
+ existing_request = LLMediaDataClient::findOrRemove(mRoundRobinQueue, request->getObject(), false/*remove*/, request->getType());
+ }
+ if (existing_request.isNull())
+ {
+ LL_DEBUGS("LLMediaDataClient") << "Queuing RR request for " << *request << LL_ENDL;
+ // Push the request on the pending queue
+ // Sadly, we have to const-cast because items put into the queue are not const
+ mRoundRobinQueue.push_front(const_cast<LLMediaDataClient::Request*>(request));
+
+ LL_DEBUGS("LLMediaDataClient") << "RR queue:" << mRoundRobinQueue << LL_ENDL;
+ }
+ else
+ {
+ LL_DEBUGS("LLMediaDataClient") << "ALREADY THERE: NOT Queuing request for " << *request << LL_ENDL;
+
+ existing_request->markSent(false);
+ }
+ }
+ // Start the timer if not already running
+ startQueueTimer();
}
-
-//////////////////////////////////////////////////////////////////////////////////////
-//
-// LLMediaDataClient::Responder::RetryTimer
-//
-//////////////////////////////////////////////////////////////////////////////////////
-
-LLMediaDataClient::Responder::RetryTimer::RetryTimer(F32 time, Responder *mdr)
- : LLEventTimer(time), mResponder(mdr)
+void LLMediaDataClient::startQueueTimer()
{
+ if (! mQueueTimerIsRunning)
+ {
+ LL_DEBUGS("LLMediaDataClient") << "starting queue timer (delay=" << mQueueTimerDelay << " seconds)" << LL_ENDL;
+ // LLEventTimer automagically takes care of the lifetime of this object
+ new QueueTimer(mQueueTimerDelay, this);
+ }
+ else {
+ LL_DEBUGS("LLMediaDataClient") << "not starting queue timer (it's already running, right???)" << LL_ENDL;
+ }
}
-// virtual
-LLMediaDataClient::Responder::RetryTimer::~RetryTimer()
+void LLMediaDataClient::stopQueueTimer()
{
- LL_DEBUGS("LLMediaDataClient") << "~RetryTimer" << *(mResponder->getRequest()) << LL_ENDL;
-
- // XXX This is weird: Instead of doing the work in tick() (which re-schedules
- // a timer, which might be risky), do it here, in the destructor. Yes, it is very odd.
- // Instead of retrying, we just put the request back onto the queue
- LL_INFOS("LLMediaDataClient") << "RetryTimer fired for: " << *(mResponder->getRequest()) << "retrying" << LL_ENDL;
- mResponder->getRequest()->reEnqueue();
-
- // Release the ref to the responder.
- mResponder = NULL;
+ mQueueTimerIsRunning = false;
}
-// virtual
-BOOL LLMediaDataClient::Responder::RetryTimer::tick()
+bool LLMediaDataClient::processQueueTimer()
{
- // Don't fire again
- return TRUE;
+ sortQueue();
+
+ if(!isEmpty())
+ {
+ LL_INFOS("LLMediaDataClient") << "QueueTimer::tick() started, SORTED queue size is: " << mSortedQueue.size()
+ << ", RR queue size is: " << mRoundRobinQueue.size() << LL_ENDL;
+ LL_DEBUGS("LLMediaDataClient") << "QueueTimer::tick() started, SORTED queue is: " << mSortedQueue << LL_ENDL;
+ LL_DEBUGS("LLMediaDataClient") << "QueueTimer::tick() started, RR queue is: " << mRoundRobinQueue << LL_ENDL;
+ }
+
+ serviceQueue();
+
+ LL_DEBUGS("LLMediaDataClient") << "QueueTimer::tick() finished, SORTED queue size is: " << mSortedQueue.size()
+ << ", RR queue size is: " << mRoundRobinQueue.size() << LL_ENDL;
+ LL_DEBUGS("LLMediaDataClient") << "QueueTimer::tick() finished, SORTED queue is: " << mSortedQueue << LL_ENDL;
+ LL_DEBUGS("LLMediaDataClient") << "QueueTimer::tick() finished, RR queue is: " << mRoundRobinQueue << LL_ENDL;
+
+ return isEmpty();
}
-
-//////////////////////////////////////////////////////////////////////////////////////
-//
-// LLMediaDataClient::Responder
-//
-//////////////////////////////////////////////////////////////////////////////////////
-
-LLMediaDataClient::Responder::Responder(const request_ptr_t &request)
- : mRequest(request)
+void LLMediaDataClient::sortQueue()
{
+ if(!mSortedQueue.empty())
+ {
+ // Score all items first
+ request_queue_t::iterator iter = mSortedQueue.begin();
+ request_queue_t::iterator end = mSortedQueue.end();
+ while (iter != end)
+ {
+ (*iter)->updateScore();
+ iter++;
+ }
+
+ // Re-sort the list...
+ // NOTE: should this be a stable_sort? If so we need to change to using a vector.
+ mSortedQueue.sort(LLMediaDataClient::compareRequests);
+
+ // ...then cull items over the max
+ U32 size = mSortedQueue.size();
+ if (size > mMaxSortedQueueSize)
+ {
+ U32 num_to_cull = (size - mMaxSortedQueueSize);
+ LL_INFOS("LLMediaDataClient") << "sorted queue MAXED OUT! Culling "
+ << num_to_cull << " items" << LL_ENDL;
+ while (num_to_cull-- > 0)
+ {
+ mSortedQueue.pop_back();
+ }
+ }
+ }
}
-LLMediaDataClient::Responder::~Responder()
+// static
+bool LLMediaDataClient::compareRequests(const request_ptr_t &o1, const request_ptr_t &o2)
{
- LL_DEBUGS("LLMediaDataClient") << "~Responder" << *(getRequest()) << LL_ENDL;
- mRequest = NULL;
+ if (o2.isNull()) return true;
+ if (o1.isNull()) return false;
+ return ( o1->getScore() > o2->getScore() );
}
-/*virtual*/
-void LLMediaDataClient::Responder::error(U32 status, const std::string& reason)
-{
- if (status == HTTP_SERVICE_UNAVAILABLE)
+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)
{
- F32 retry_timeout = mRequest->getRetryTimerDelay();
-
- mRequest->incRetryCount();
+ if (queue_p->empty())
+ {
+ LL_DEBUGS("LLMediaDataClient") << "queue empty: " << (*queue_p) << LL_ENDL;
+ break;
+ }
- if (mRequest->getRetryCount() < mRequest->getMaxNumRetries())
+ // 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())
{
- LL_INFOS("LLMediaDataClient") << *mRequest << "got SERVICE_UNAVAILABLE...retrying in " << retry_timeout << " seconds" << LL_ENDL;
+ if (request.isNull())
+ {
+ LL_INFOS("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;
+ }
- // Start timer (instances are automagically tracked by
- // InstanceTracker<> and LLEventTimer)
- new RetryTimer(F32(retry_timeout/*secs*/), this);
+ 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 {
- LL_INFOS("LLMediaDataClient") << *mRequest << "got SERVICE_UNAVAILABLE...retry count " <<
- mRequest->getRetryCount() << " exceeds " << mRequest->getMaxNumRetries() << ", not retrying" << LL_ENDL;
+ 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;
}
- else {
- std::string msg = boost::lexical_cast<std::string>(status) + ": " + reason;
- LL_WARNS("LLMediaDataClient") << *mRequest << " http error(" << msg << ")" << LL_ENDL;
- }
+
+ swapCurrentQueue();
}
-
-/*virtual*/
-void LLMediaDataClient::Responder::result(const LLSD& content)
+void LLMediaDataClient::swapCurrentQueue()
{
- LL_INFOS("LLMediaDataClient") << *mRequest << "result : " << ll_print_sd(content) << LL_ENDL;
+ // Swap
+ mCurrentQueueIsTheSortedQueue = !mCurrentQueueIsTheSortedQueue;
+ // If its empty, swap back
+ if (getCurrentQueue()->empty())
+ {
+ mCurrentQueueIsTheSortedQueue = !mCurrentQueueIsTheSortedQueue;
+ }
}
-
-//////////////////////////////////////////////////////////////////////////////////////
-//
-// LLMediaDataClient::Comparator
-//
-//////////////////////////////////////////////////////////////////////////////////////
-
-// static
-bool LLMediaDataClient::compareRequests(const request_ptr_t &o1, const request_ptr_t &o2)
+LLMediaDataClient::request_queue_t *LLMediaDataClient::getCurrentQueue()
{
- if (o2.isNull()) return true;
- if (o1.isNull()) return false;
-
- // The score is intended to be a measure of how close an object is or
- // how much screen real estate (interest) it takes up
- // Further away = lower score.
- // Lesser interest = lower score
- // For instance, here are some cases:
- // 1: Two items with no impl, closest one wins
- // 2: Two items with an impl: interest should rule, but distance is
- // still taken into account (i.e. something really close might take
- // precedence over a large item far away)
- // 3: One item with an impl, another without: item with impl wins
- // (XXX is that what we want?)
- // Calculate the scores for each.
- F64 o1_score = getObjectScore(o1->getObject());
- F64 o2_score = getObjectScore(o2->getObject());
- return ( o1_score > o2_score );
-}
-
-// static
-F64 LLMediaDataClient::getObjectScore(const LLMediaDataClientObject::ptr_t &obj)
-{
- // *TODO: make this less expensive?
- F64 dist = obj->getDistanceFromAvatar() + 0.1; // avoids div by 0
- // square the distance so that they are in the same "unit magnitude" as
- // the interest (which is an area)
- dist *= dist;
- F64 interest = obj->getTotalMediaInterest() + 1.0;
-
- return interest/dist;
+ return (mCurrentQueueIsTheSortedQueue) ? &mSortedQueue : &mRoundRobinQueue;
}
-//////////////////////////////////////////////////////////////////////////////////////
-//
-// LLMediaDataClient::PriorityQueue
-// Queue of LLMediaDataClientObject smart pointers to request media for.
-//
-//////////////////////////////////////////////////////////////////////////////////////
-
// dump the queue
std::ostream& operator<<(std::ostream &s, const LLMediaDataClient::request_queue_t &q)
{
@@ -318,22 +402,6 @@ std::ostream& operator<<(std::ostream &s, const LLMediaDataClient::request_queue
return s;
}
-// find the given object in the queue.
-bool LLMediaDataClient::find(const LLMediaDataClientObject::ptr_t &obj) const
-{
- request_queue_t::const_iterator iter = pRequestQueue->begin();
- request_queue_t::const_iterator end = pRequestQueue->end();
- while (iter != end)
- {
- if (obj->getID() == (*iter)->getObject()->getID())
- {
- return true;
- }
- iter++;
- }
- return false;
-}
-
//////////////////////////////////////////////////////////////////////////////////////
//
// LLMediaDataClient::QueueTimer
@@ -342,7 +410,7 @@ bool LLMediaDataClient::find(const LLMediaDataClientObject::ptr_t &obj) const
//////////////////////////////////////////////////////////////////////////////////////
LLMediaDataClient::QueueTimer::QueueTimer(F32 time, LLMediaDataClient *mdc)
- : LLEventTimer(time), mMDC(mdc)
+: LLEventTimer(time), mMDC(mdc)
{
mMDC->setIsRunning(true);
}
@@ -357,177 +425,224 @@ LLMediaDataClient::QueueTimer::~QueueTimer()
// virtual
BOOL LLMediaDataClient::QueueTimer::tick()
{
- if (NULL == mMDC->pRequestQueue)
- {
- // Shutting down? stop.
- LL_DEBUGS("LLMediaDataClient") << "queue gone" << LL_ENDL;
- return TRUE;
- }
-
- request_queue_t &queue = *(mMDC->pRequestQueue);
+ if (mMDC.isNull()) return TRUE;
+ return mMDC->processQueueTimer();
+}
- if(!queue.empty())
- {
- LL_INFOS("LLMediaDataClient") << "QueueTimer::tick() started, queue is: " << queue << LL_ENDL;
- // Re-sort the list every time...
- // XXX Is this really what we want?
- queue.sort(LLMediaDataClient::compareRequests);
- }
+//////////////////////////////////////////////////////////////////////////////////////
+//
+// LLMediaDataClient::Responder::RetryTimer
+//
+//////////////////////////////////////////////////////////////////////////////////////
+
+LLMediaDataClient::Responder::RetryTimer::RetryTimer(F32 time, Responder *mdr)
+: LLEventTimer(time), mResponder(mdr)
+{
+}
+
+// virtual
+LLMediaDataClient::Responder::RetryTimer::~RetryTimer()
+{
+ LL_DEBUGS("LLMediaDataClient") << "~RetryTimer" << *(mResponder->getRequest()) << LL_ENDL;
- // quick retry loop for cases where we shouldn't wait for the next timer tick
- while(true)
- {
- if (queue.empty())
- {
- LL_DEBUGS("LLMediaDataClient") << "queue empty: " << queue << LL_ENDL;
- return TRUE;
- }
+ // XXX This is weird: Instead of doing the work in tick() (which re-schedules
+ // a timer, which might be risky), do it here, in the destructor. Yes, it is very odd.
+ // Instead of retrying, we just put the request back onto the queue
+ LL_INFOS("LLMediaDataClient") << "RetryTimer fired for: " << *(mResponder->getRequest()) << " retrying" << LL_ENDL;
+ mResponder->getRequest()->reEnqueue();
- // Peel one off of the items from the queue, and execute request
- request_ptr_t request = queue.front();
- llassert(!request.isNull());
- const LLMediaDataClientObject *object = (request.isNull()) ? NULL : request->getObject();
- bool performed_request = false;
- bool error = false;
- llassert(NULL != object);
+ // Release the ref to the responder.
+ mResponder = NULL;
+}
- if(object->isDead())
- {
- // This object has been marked dead. Pop it and move on to the next item in the queue immediately.
- LL_INFOS("LLMediaDataClient") << "Skipping " << *request << ": object is dead!" << LL_ENDL;
- queue.pop_front();
- continue; // jump back to the start of the quick retry loop
- }
+// virtual
+BOOL LLMediaDataClient::Responder::RetryTimer::tick()
+{
+ // Don't fire again
+ return TRUE;
+}
- if (NULL != object && object->hasMedia())
- {
- std::string url = request->getCapability();
- 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, mMDC->createResponder(request));
- performed_request = true;
- }
- else {
- LL_INFOS("LLMediaDataClient") << "NOT Sending request for " << *request << ": empty cap url!" << LL_ENDL;
- }
- }
- else {
- if (request.isNull())
- {
- LL_WARNS("LLMediaDataClient") << "Not Sending request: NULL request!" << LL_ENDL;
- }
- else if (NULL == object)
- {
- LL_WARNS("LLMediaDataClient") << "Not Sending request for " << *request << " NULL object!" << LL_ENDL;
- }
- else if (!object->hasMedia())
- {
- LL_WARNS("LLMediaDataClient") << "Not Sending request for " << *request << " hasMedia() is false!" << LL_ENDL;
- }
- error = true;
- }
- bool exceeded_retries = request->getRetryCount() > mMDC->mMaxNumRetries;
- if (performed_request || exceeded_retries || error) // Try N times before giving up
- {
- if (exceeded_retries)
- {
- LL_WARNS("LLMediaDataClient") << "Could not send request " << *request << " for "
- << mMDC->mMaxNumRetries << " tries...popping object id " << object->getID() << LL_ENDL;
- // XXX Should we bring up a warning dialog??
- }
- queue.pop_front();
- }
- else {
- request->incRetryCount();
- }
-
- // end of quick retry loop -- any cases where we want to loop will use 'continue' to jump back to the start.
- break;
- }
+//////////////////////////////////////////////////////////////////////////////////////
+//
+// LLMediaDataClient::Request
+//
+//////////////////////////////////////////////////////////////////////////////////////
+/*static*/U32 LLMediaDataClient::Request::sNum = 0;
- LL_DEBUGS("LLMediaDataClient") << "QueueTimer::tick() finished, queue is now: " << (*(mMDC->pRequestQueue)) << LL_ENDL;
+LLMediaDataClient::Request::Request(const char *cap_name,
+ const LLSD& sd_payload,
+ LLMediaDataClientObject *obj,
+ LLMediaDataClient *mdc)
+: mCapName(cap_name),
+ mPayload(sd_payload),
+ mObject(obj),
+ mNum(++sNum),
+ mRetryCount(0),
+ mMDC(mdc),
+ mMarkedSent(false),
+ mScore((F64)0.0)
+{
+}
- return queue.empty();
+LLMediaDataClient::Request::~Request()
+{
+ LL_DEBUGS("LLMediaDataClient") << "~Request" << (*this) << LL_ENDL;
+ mMDC = NULL;
+ mObject = NULL;
}
-
-void LLMediaDataClient::startQueueTimer()
+
+
+std::string LLMediaDataClient::Request::getCapability() const
{
- if (! mQueueTimerIsRunning)
+ return getObject()->getCapabilityUrl(getCapName());
+}
+
+// Helper function to get the "type" of request, which just pokes around to
+// discover it.
+LLMediaDataClient::Request::Type LLMediaDataClient::Request::getType() const
+{
+ if (0 == strcmp(mCapName, "ObjectMediaNavigate"))
{
- LL_INFOS("LLMediaDataClient") << "starting queue timer (delay=" << mQueueTimerDelay << " seconds)" << LL_ENDL;
- // LLEventTimer automagically takes care of the lifetime of this object
- new QueueTimer(mQueueTimerDelay, this);
+ return NAVIGATE;
}
- else {
- LL_DEBUGS("LLMediaDataClient") << "not starting queue timer (it's already running, right???)" << LL_ENDL;
+ else if (0 == strcmp(mCapName, "ObjectMedia"))
+ {
+ const std::string &verb = mPayload["verb"];
+ if (verb == "GET")
+ {
+ return GET;
+ }
+ else if (verb == "UPDATE")
+ {
+ return UPDATE;
+ }
}
+ llassert(false);
+ return GET;
}
-
-void LLMediaDataClient::stopQueueTimer()
+
+const char *LLMediaDataClient::Request::getTypeAsString() const
{
- mQueueTimerIsRunning = false;
+ Type t = getType();
+ switch (t)
+ {
+ case GET:
+ return "GET";
+ break;
+ case UPDATE:
+ return "UPDATE";
+ break;
+ case NAVIGATE:
+ return "NAVIGATE";
+ break;
+ case ANY:
+ return "ANY";
+ break;
+ }
+ return "";
}
-
-void LLMediaDataClient::request(const LLMediaDataClientObject::ptr_t &object, const LLSD &payload)
+
+
+void LLMediaDataClient::Request::reEnqueue() const
{
- if (object.isNull() || ! object->hasMedia()) return;
+ // I sure hope this doesn't deref a bad pointer:
+ mMDC->enqueue(this);
+}
- // Push the object on the priority queue
- enqueue(new Request(getCapabilityName(), payload, object, this));
+F32 LLMediaDataClient::Request::getRetryTimerDelay() const
+{
+ return (mMDC == NULL) ? LLMediaDataClient::UNAVAILABLE_RETRY_TIMER_DELAY :
+ mMDC->mRetryTimerDelay;
}
-void LLMediaDataClient::enqueue(const Request *request)
+U32 LLMediaDataClient::Request::getMaxNumRetries() const
{
- LL_INFOS("LLMediaDataClient") << "Queuing request for " << *request << LL_ENDL;
- // Push the request on the priority queue
- // Sadly, we have to const-cast because items put into the queue are not const
- pRequestQueue->push_back(const_cast<LLMediaDataClient::Request*>(request));
- LL_DEBUGS("LLMediaDataClient") << "Queue:" << (*pRequestQueue) << LL_ENDL;
- // Start the timer if not already running
- startQueueTimer();
+ return (mMDC == NULL) ? LLMediaDataClient::MAX_RETRIES : mMDC->mMaxNumRetries;
+}
+
+void LLMediaDataClient::Request::markSent(bool flag)
+{
+ if (mMarkedSent != flag)
+ {
+ mMarkedSent = flag;
+ if (!mMarkedSent)
+ {
+ mNum = ++sNum;
+ }
+ }
+}
+
+void LLMediaDataClient::Request::updateScore()
+{
+ F64 tmp = mObject->getMediaInterest();
+ if (tmp != mScore)
+ {
+ LL_DEBUGS("LLMediaDataClient") << "Score for " << mObject->getID() << " changed from " << mScore << " to " << tmp << LL_ENDL;
+ mScore = tmp;
+ }
+}
+
+std::ostream& operator<<(std::ostream &s, const LLMediaDataClient::Request &r)
+{
+ s << "request: num=" << r.getNum()
+ << " type=" << r.getTypeAsString()
+ << " ID=" << r.getObject()->getID()
+ << " #retries=" << r.getRetryCount();
+ return s;
}
+
//////////////////////////////////////////////////////////////////////////////////////
//
-// LLMediaDataClient
+// LLMediaDataClient::Responder
//
//////////////////////////////////////////////////////////////////////////////////////
-LLMediaDataClient::LLMediaDataClient(F32 queue_timer_delay,
- F32 retry_timer_delay,
- U32 max_retries)
- : mQueueTimerDelay(queue_timer_delay),
- mRetryTimerDelay(retry_timer_delay),
- mMaxNumRetries(max_retries),
- mQueueTimerIsRunning(false)
+LLMediaDataClient::Responder::Responder(const request_ptr_t &request)
+: mRequest(request)
{
- pRequestQueue = new request_queue_t();
}
-LLMediaDataClient::~LLMediaDataClient()
+LLMediaDataClient::Responder::~Responder()
{
- stopQueueTimer();
-
- // This should clear the queue, and hopefully call all the destructors.
- LL_DEBUGS("LLMediaDataClient") << "~LLMediaDataClient destructor: queue: " <<
- (pRequestQueue->empty() ? "<empty> " : "<not empty> ") << (*pRequestQueue) << LL_ENDL;
- delete pRequestQueue;
- pRequestQueue = NULL;
+ LL_DEBUGS("LLMediaDataClient") << "~Responder" << *(getRequest()) << LL_ENDL;
+ mRequest = NULL;
}
-bool LLMediaDataClient::isEmpty() const
+/*virtual*/
+void LLMediaDataClient::Responder::error(U32 status, const std::string& reason)
{
- return (NULL == pRequestQueue) ? true : pRequestQueue->empty();
+ if (status == HTTP_SERVICE_UNAVAILABLE)
+ {
+ F32 retry_timeout = mRequest->getRetryTimerDelay();
+
+ mRequest->incRetryCount();
+
+ if (mRequest->getRetryCount() < mRequest->getMaxNumRetries())
+ {
+ LL_INFOS("LLMediaDataClient") << *mRequest << " got SERVICE_UNAVAILABLE...retrying in " << retry_timeout << " seconds" << LL_ENDL;
+
+ // Start timer (instances are automagically tracked by
+ // InstanceTracker<> and LLEventTimer)
+ new RetryTimer(F32(retry_timeout/*secs*/), this);
+ }
+ else {
+ LL_INFOS("LLMediaDataClient") << *mRequest << " got SERVICE_UNAVAILABLE...retry count " <<
+ mRequest->getRetryCount() << " exceeds " << mRequest->getMaxNumRetries() << ", not retrying" << LL_ENDL;
+ }
+ }
+ else {
+ std::string msg = boost::lexical_cast<std::string>(status) + ": " + reason;
+ LL_WARNS("LLMediaDataClient") << *mRequest << " http error(" << msg << ")" << LL_ENDL;
+ }
}
-bool LLMediaDataClient::isInQueue(const LLMediaDataClientObject::ptr_t &object) const
+/*virtual*/
+void LLMediaDataClient::Responder::result(const LLSD& content)
{
- return (NULL == pRequestQueue) ? false : find(object);
+ LL_DEBUGS("LLMediaDataClient") << *mRequest << " result : " << ll_print_sd(content) << LL_ENDL;
}
//////////////////////////////////////////////////////////////////////////////////////
@@ -569,7 +684,7 @@ void LLObjectMediaDataClient::updateMedia(LLMediaDataClientObject *object)
}
sd_payload[LLTextureEntry::OBJECT_MEDIA_DATA_KEY] = object_media_data;
- LL_INFOS("LLMediaDataClient") << "update media data: " << object->getID() << " " << ll_print_sd(sd_payload) << LL_ENDL;
+ LL_DEBUGS("LLMediaDataClient") << "update media data: " << object->getID() << " " << ll_print_sd(sd_payload) << LL_ENDL;
request(object, sd_payload);
}
@@ -581,7 +696,7 @@ void LLObjectMediaDataClient::Responder::result(const LLSD& content)
llassert(type == LLMediaDataClient::Request::GET || type == LLMediaDataClient::Request::UPDATE)
if (type == LLMediaDataClient::Request::GET)
{
- LL_INFOS("LLMediaDataClient") << *(getRequest()) << "GET returned: " << ll_print_sd(content) << LL_ENDL;
+ LL_DEBUGS("LLMediaDataClient") << *(getRequest()) << " GET returned: " << ll_print_sd(content) << LL_ENDL;
// Look for an error
if (content.has("error"))
@@ -598,12 +713,13 @@ void LLObjectMediaDataClient::Responder::result(const LLSD& content)
if (object_id != getRequest()->getObject()->getID())
{
// NOT good, wrong object id!!
- LL_WARNS("LLMediaDataClient") << *(getRequest()) << "DROPPING response with wrong object id (" << object_id << ")" << LL_ENDL;
+ LL_WARNS("LLMediaDataClient") << *(getRequest()) << " DROPPING response with wrong object id (" << object_id << ")" << LL_ENDL;
return;
}
// Otherwise, update with object media data
- getRequest()->getObject()->updateObjectMediaData(content[LLTextureEntry::OBJECT_MEDIA_DATA_KEY]);
+ getRequest()->getObject()->updateObjectMediaData(content[LLTextureEntry::OBJECT_MEDIA_DATA_KEY],
+ content[LLTextureEntry::MEDIA_VERSION_KEY]);
}
}
else if (type == LLMediaDataClient::Request::UPDATE)