llmediadataclient.cpp
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- /**
- * @file llmediadataclient.cpp
- * @brief class for queueing up requests for media data
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "llviewerprecompiledheaders.h"
- #include "llmediadataclient.h"
- #if LL_MSVC
- // disable boost::lexical_cast warning
- #pragma warning (disable:4702)
- #endif
- #include <boost/lexical_cast.hpp>
- #include "llhttpstatuscodes.h"
- #include "llsdutil.h"
- #include "llmediaentry.h"
- #include "lltextureentry.h"
- #include "llviewerregion.h"
- //
- // When making a request
- // - obtain the "overall interest score" of the object.
- // This would be the sum of the impls' interest scores.
- // - put the request onto a queue sorted by this score
- // (highest score at the front of the queue)
- // - On a timer, once a second, pull off the head of the queue and send
- // the request.
- // - Any request that gets a 503 still goes through the retry logic
- //
- //
- // Forward decls
- //
- 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;
- // << operators
- std::ostream& operator<<(std::ostream &s, const LLMediaDataClient::request_queue_t &q);
- std::ostream& operator<<(std::ostream &s, const LLMediaDataClient::Request &q);
- //////////////////////////////////////////////////////////////////////////////////////
- //
- // LLMediaDataClient
- //
- //////////////////////////////////////////////////////////////////////////////////////
- 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::~LLMediaDataClient()
- {
- stopQueueTimer();
- // 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();
- }
- bool LLMediaDataClient::isEmpty() const
- {
- return mSortedQueue.empty() && mRoundRobinQueue.empty();
- }
- bool LLMediaDataClient::isInQueue(const LLMediaDataClientObject::ptr_t &object)
- {
- return (LLMediaDataClient::findOrRemove(mSortedQueue, object, false/*remove*/, LLMediaDataClient::Request::ANY).notNull()
- || (LLMediaDataClient::findOrRemove(mRoundRobinQueue, object, false/*remove*/, LLMediaDataClient::Request::ANY).notNull()));
- }
- bool LLMediaDataClient::removeFromQueue(const LLMediaDataClientObject::ptr_t &object)
- {
- 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;
- }
- //static
- LLMediaDataClient::request_ptr_t LLMediaDataClient::findOrRemove(request_queue_t &queue, const LLMediaDataClientObject::ptr_t &obj, bool remove, LLMediaDataClient::Request::Type type)
- {
- 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;
- }
- void LLMediaDataClient::request(const LLMediaDataClientObject::ptr_t &object, const LLSD &payload)
- {
- if (object.isNull() || ! object->hasMedia()) return;
- // Push the object on the queue
- enqueue(new Request(getCapabilityName(), payload, object, this));
- }
- void LLMediaDataClient::enqueue(const Request *request)
- {
- 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("LLMediaDataClientQueue") << "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("LLMediaDataClientQueue") << "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();
- }
- 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;
- }
- }
- void LLMediaDataClient::stopQueueTimer()
- {
- mQueueTimerIsRunning = false;
- }
- bool LLMediaDataClient::processQueueTimer()
- {
- sortQueue();
- if(!isEmpty())
- {
- LL_DEBUGS("LLMediaDataClient") << "QueueTimer::tick() started, SORTED queue size is: " << mSortedQueue.size()
- << ", RR queue size is: " << mRoundRobinQueue.size() << LL_ENDL;
- LL_DEBUGS("LLMediaDataClientQueue") << "QueueTimer::tick() started, SORTED queue is: " << mSortedQueue << LL_ENDL;
- LL_DEBUGS("LLMediaDataClientQueue") << "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("LLMediaDataClientQueue") << "QueueTimer::tick() finished, SORTED queue is: " << mSortedQueue << LL_ENDL;
- LL_DEBUGS("LLMediaDataClientQueue") << "QueueTimer::tick() finished, RR queue is: " << mRoundRobinQueue << LL_ENDL;
- return isEmpty();
- }
- 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_ONCE("LLMediaDataClient") << "sorted queue MAXED OUT! Culling "
- << num_to_cull << " items" << LL_ENDL;
- while (num_to_cull-- > 0)
- {
- mSortedQueue.pop_back();
- }
- }
- }
- }
- // static
- bool LLMediaDataClient::compareRequests(const request_ptr_t &o1, const request_ptr_t &o2)
- {
- if (o2.isNull()) return true;
- if (o1.isNull()) return false;
- return ( o1->getScore() > o2->getScore() );
- }
- 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();
- }
- void LLMediaDataClient::swapCurrentQueue()
- {
- // Swap
- mCurrentQueueIsTheSortedQueue = !mCurrentQueueIsTheSortedQueue;
- // If its empty, swap back
- if (getCurrentQueue()->empty())
- {
- mCurrentQueueIsTheSortedQueue = !mCurrentQueueIsTheSortedQueue;
- }
- }
- LLMediaDataClient::request_queue_t *LLMediaDataClient::getCurrentQueue()
- {
- return (mCurrentQueueIsTheSortedQueue) ? &mSortedQueue : &mRoundRobinQueue;
- }
- // dump the queue
- std::ostream& operator<<(std::ostream &s, const LLMediaDataClient::request_queue_t &q)
- {
- int i = 0;
- LLMediaDataClient::request_queue_t::const_iterator iter = q.begin();
- LLMediaDataClient::request_queue_t::const_iterator end = q.end();
- while (iter != end)
- {
- s << "t" << i << "]: " << (*iter)->getObject()->getID().asString() << "(" << (*iter)->getObject()->getMediaInterest() << ")";
- iter++;
- i++;
- }
- return s;
- }
- //////////////////////////////////////////////////////////////////////////////////////
- //
- // LLMediaDataClient::QueueTimer
- // Queue of LLMediaDataClientObject smart pointers to request media for.
- //
- //////////////////////////////////////////////////////////////////////////////////////
- LLMediaDataClient::QueueTimer::QueueTimer(F32 time, LLMediaDataClient *mdc)
- : LLEventTimer(time), mMDC(mdc)
- {
- mMDC->setIsRunning(true);
- }
- LLMediaDataClient::QueueTimer::~QueueTimer()
- {
- LL_DEBUGS("LLMediaDataClient") << "~QueueTimer" << LL_ENDL;
- mMDC->setIsRunning(false);
- mMDC = NULL;
- }
- // virtual
- BOOL LLMediaDataClient::QueueTimer::tick()
- {
- if (mMDC.isNull()) return TRUE;
- return mMDC->processQueueTimer();
- }
- //////////////////////////////////////////////////////////////////////////////////////
- //
- // 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;
- // 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;
- }
- // virtual
- BOOL LLMediaDataClient::Responder::RetryTimer::tick()
- {
- // Don't fire again
- return TRUE;
- }
- //////////////////////////////////////////////////////////////////////////////////////
- //
- // LLMediaDataClient::Request
- //
- //////////////////////////////////////////////////////////////////////////////////////
- /*static*/U32 LLMediaDataClient::Request::sNum = 0;
- 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)
- {
- }
- LLMediaDataClient::Request::~Request()
- {
- LL_DEBUGS("LLMediaDataClient") << "~Request" << (*this) << LL_ENDL;
- mMDC = NULL;
- mObject = NULL;
- }
- std::string LLMediaDataClient::Request::getCapability() const
- {
- 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"))
- {
- return NAVIGATE;
- }
- 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;
- }
- const char *LLMediaDataClient::Request::getTypeAsString() const
- {
- 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::reEnqueue() const
- {
- // I sure hope this doesn't deref a bad pointer:
- mMDC->enqueue(this);
- }
- F32 LLMediaDataClient::Request::getRetryTimerDelay() const
- {
- return (mMDC == NULL) ? LLMediaDataClient::UNAVAILABLE_RETRY_TIMER_DELAY :
- mMDC->mRetryTimerDelay;
- }
- U32 LLMediaDataClient::Request::getMaxNumRetries() const
- {
- 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::Responder
- //
- //////////////////////////////////////////////////////////////////////////////////////
- LLMediaDataClient::Responder::Responder(const request_ptr_t &request)
- : mRequest(request)
- {
- }
- LLMediaDataClient::Responder::~Responder()
- {
- LL_DEBUGS("LLMediaDataClient") << "~Responder" << *(getRequest()) << LL_ENDL;
- mRequest = NULL;
- }
- /*virtual*/
- void LLMediaDataClient::Responder::error(U32 status, const std::string& reason)
- {
- 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;
- }
- }
- /*virtual*/
- void LLMediaDataClient::Responder::result(const LLSD& content)
- {
- LL_DEBUGS("LLMediaDataClientResponse") << *mRequest << " result : " << ll_print_sd(content) << LL_ENDL;
- }
- //////////////////////////////////////////////////////////////////////////////////////
- //
- // LLObjectMediaDataClient
- // Subclass of LLMediaDataClient for the ObjectMedia cap
- //
- //////////////////////////////////////////////////////////////////////////////////////
- LLMediaDataClient::Responder *LLObjectMediaDataClient::createResponder(const request_ptr_t &request) const
- {
- return new LLObjectMediaDataClient::Responder(request);
- }
- const char *LLObjectMediaDataClient::getCapabilityName() const
- {
- return "ObjectMedia";
- }
- void LLObjectMediaDataClient::fetchMedia(LLMediaDataClientObject *object)
- {
- LLSD sd_payload;
- sd_payload["verb"] = "GET";
- sd_payload[LLTextureEntry::OBJECT_ID_KEY] = object->getID();
- request(object, sd_payload);
- }
- void LLObjectMediaDataClient::updateMedia(LLMediaDataClientObject *object)
- {
- LLSD sd_payload;
- sd_payload["verb"] = "UPDATE";
- sd_payload[LLTextureEntry::OBJECT_ID_KEY] = object->getID();
- LLSD object_media_data;
- int i = 0;
- int end = object->getMediaDataCount();
- for ( ; i < end ; ++i)
- {
- object_media_data.append(object->getMediaDataLLSD(i));
- }
- sd_payload[LLTextureEntry::OBJECT_MEDIA_DATA_KEY] = object_media_data;
- LL_DEBUGS("LLMediaDataClient") << "update media data: " << object->getID() << " " << ll_print_sd(sd_payload) << LL_ENDL;
- request(object, sd_payload);
- }
- /*virtual*/
- void LLObjectMediaDataClient::Responder::result(const LLSD& content)
- {
- const LLMediaDataClient::Request::Type type = getRequest()->getType();
- llassert(type == LLMediaDataClient::Request::GET || type == LLMediaDataClient::Request::UPDATE)
- if (type == LLMediaDataClient::Request::GET)
- {
- LL_DEBUGS("LLMediaDataClientResponse") << *(getRequest()) << " GET returned: " << ll_print_sd(content) << LL_ENDL;
- // Look for an error
- if (content.has("error"))
- {
- const LLSD &error = content["error"];
- LL_WARNS("LLMediaDataClient") << *(getRequest()) << " Error getting media data for object: code=" <<
- error["code"].asString() << ": " << error["message"].asString() << LL_ENDL;
- // XXX Warn user?
- }
- else {
- // Check the data
- const LLUUID &object_id = content[LLTextureEntry::OBJECT_ID_KEY];
- 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;
- return;
- }
- // Otherwise, update with object media data
- getRequest()->getObject()->updateObjectMediaData(content[LLTextureEntry::OBJECT_MEDIA_DATA_KEY],
- content[LLTextureEntry::MEDIA_VERSION_KEY]);
- }
- }
- else if (type == LLMediaDataClient::Request::UPDATE)
- {
- // just do what our superclass does
- LLMediaDataClient::Responder::result(content);
- }
- }
- //////////////////////////////////////////////////////////////////////////////////////
- //
- // LLObjectMediaNavigateClient
- // Subclass of LLMediaDataClient for the ObjectMediaNavigate cap
- //
- //////////////////////////////////////////////////////////////////////////////////////
- LLMediaDataClient::Responder *LLObjectMediaNavigateClient::createResponder(const request_ptr_t &request) const
- {
- return new LLObjectMediaNavigateClient::Responder(request);
- }
- const char *LLObjectMediaNavigateClient::getCapabilityName() const
- {
- return "ObjectMediaNavigate";
- }
- void LLObjectMediaNavigateClient::navigate(LLMediaDataClientObject *object, U8 texture_index, const std::string &url)
- {
- LLSD sd_payload;
- sd_payload[LLTextureEntry::OBJECT_ID_KEY] = object->getID();
- sd_payload[LLMediaEntry::CURRENT_URL_KEY] = url;
- sd_payload[LLTextureEntry::TEXTURE_INDEX_KEY] = (LLSD::Integer)texture_index;
- LL_INFOS("LLMediaDataClient") << "navigate() initiated: " << ll_print_sd(sd_payload) << LL_ENDL;
- request(object, sd_payload);
- }
- /*virtual*/
- void LLObjectMediaNavigateClient::Responder::error(U32 status, const std::string& reason)
- {
- // Bounce back (unless HTTP_SERVICE_UNAVAILABLE, in which case call base
- // class
- if (status == HTTP_SERVICE_UNAVAILABLE)
- {
- LLMediaDataClient::Responder::error(status, reason);
- }
- else {
- // bounce the face back
- LL_WARNS("LLMediaDataClient") << *(getRequest()) << " Error navigating: http code=" << status << LL_ENDL;
- const LLSD &payload = getRequest()->getPayload();
- // bounce the face back
- getRequest()->getObject()->mediaNavigateBounceBack((LLSD::Integer)payload[LLTextureEntry::TEXTURE_INDEX_KEY]);
- }
- }
- /*virtual*/
- void LLObjectMediaNavigateClient::Responder::result(const LLSD& content)
- {
- LL_INFOS("LLMediaDataClient") << *(getRequest()) << " NAVIGATE returned " << ll_print_sd(content) << LL_ENDL;
- if (content.has("error"))
- {
- const LLSD &error = content["error"];
- int error_code = error["code"];
- if (ERROR_PERMISSION_DENIED_CODE == error_code)
- {
- LL_WARNS("LLMediaDataClient") << *(getRequest()) << " Navigation denied: bounce back" << LL_ENDL;
- const LLSD &payload = getRequest()->getPayload();
- // bounce the face back
- getRequest()->getObject()->mediaNavigateBounceBack((LLSD::Integer)payload[LLTextureEntry::TEXTURE_INDEX_KEY]);
- }
- else {
- LL_WARNS("LLMediaDataClient") << *(getRequest()) << " Error navigating: code=" <<
- error["code"].asString() << ": " << error["message"].asString() << LL_ENDL;
- }
- // XXX Warn user?
- }
- else {
- // just do what our superclass does
- LLMediaDataClient::Responder::result(content);
- }
- }