diff options
Diffstat (limited to 'indra/llmessage')
| -rw-r--r-- | indra/llmessage/llavatarnamecache.cpp | 78 | ||||
| -rw-r--r-- | indra/llmessage/llavatarnamecache.h | 4 | ||||
| -rw-r--r-- | indra/llmessage/llcurl.cpp | 223 | ||||
| -rw-r--r-- | indra/llmessage/llcurl.h | 65 | ||||
| -rw-r--r-- | indra/llmessage/llhttpassetstorage.cpp | 2 |
5 files changed, 322 insertions, 50 deletions
diff --git a/indra/llmessage/llavatarnamecache.cpp b/indra/llmessage/llavatarnamecache.cpp index ff31f7665e..700525e1fa 100644 --- a/indra/llmessage/llavatarnamecache.cpp +++ b/indra/llmessage/llavatarnamecache.cpp @@ -87,6 +87,9 @@ namespace LLAvatarNameCache /// Time when unrefreshed cached names were checked last static F64 sLastExpireCheck; + /// Time-to-live for a temp cache entry. + const F64 TEMP_CACHE_ENTRY_LIFETIME = 60.0; + //----------------------------------------------------------------------- // Internal methods //----------------------------------------------------------------------- @@ -274,7 +277,7 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id) { // there is no existing cache entry, so make a temporary name from legacy LL_WARNS("AvNameCache") << "LLAvatarNameCache get legacy for agent " - << agent_id << LL_ENDL; + << agent_id << LL_ENDL; gCacheName->get(agent_id, false, // legacy compatibility boost::bind(&LLAvatarNameCache::legacyNameCallback, _1, _2, _3)); @@ -287,13 +290,14 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id) // Clear this agent from the pending list LLAvatarNameCache::sPendingQueue.erase(agent_id); - const LLAvatarName& av_name = existing->second; + LLAvatarName& av_name = existing->second; LL_DEBUGS("AvNameCache") << "LLAvatarNameCache use cache for agent " << agent_id << "user '" << av_name.mUsername << "' " << "display '" << av_name.mDisplayName << "' " << "expires in " << av_name.mExpires - LLFrameTimer::getTotalSeconds() << " seconds" << LL_ENDL; + av_name.mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME; // reset expiry time so we don't constantly rerequest. } } @@ -330,8 +334,9 @@ void LLAvatarNameCache::requestNamesViaCapability() // http://pdp60.lindenlab.com:8000/agents/?ids=3941037e-78ab-45f0-b421-bd6e77c1804d&ids=0012809d-7d2d-4c24-9609-af1230a37715&ids=0019aaba-24af-4f0a-aa72-6457953cf7f0 // // Apache can handle URLs of 4096 chars, but let's be conservative - const U32 NAME_URL_MAX = 4096; - const U32 NAME_URL_SEND_THRESHOLD = 3000; + static const U32 NAME_URL_MAX = 4096; + static const U32 NAME_URL_SEND_THRESHOLD = 3500; + std::string url; url.reserve(NAME_URL_MAX); @@ -339,10 +344,12 @@ void LLAvatarNameCache::requestNamesViaCapability() agent_ids.reserve(128); U32 ids = 0; - ask_queue_t::const_iterator it = sAskQueue.begin(); - for ( ; it != sAskQueue.end(); ++it) + ask_queue_t::const_iterator it; + while(!sAskQueue.empty()) { + it = sAskQueue.begin(); const LLUUID& agent_id = *it; + sAskQueue.erase(it); if (url.empty()) { @@ -365,27 +372,17 @@ void LLAvatarNameCache::requestNamesViaCapability() if (url.size() > NAME_URL_SEND_THRESHOLD) { - LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability first " - << ids << " ids" - << LL_ENDL; - LLHTTPClient::get(url, new LLAvatarNameResponder(agent_ids)); - url.clear(); - agent_ids.clear(); + break; } } if (!url.empty()) { - LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability all " + LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability requested " << ids << " ids" << LL_ENDL; LLHTTPClient::get(url, new LLAvatarNameResponder(agent_ids)); - url.clear(); - agent_ids.clear(); } - - // We've moved all asks to the pending request queue - sAskQueue.clear(); } void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id, @@ -402,20 +399,25 @@ void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id, << LL_ENDL; buildLegacyName(full_name, &av_name); - // Don't add to cache, the data already exists in the legacy name system - // cache and we don't want or need duplicate storage, because keeping the - // two copies in sync is complex. - processName(agent_id, av_name, false); + // Add to cache, because if we don't we'll keep rerequesting the + // same record forever. buildLegacyName should always guarantee + // that these records expire reasonably soon + // (in TEMP_CACHE_ENTRY_LIFETIME seconds), so if the failure was due + // to something temporary we will eventually request and get the right data. + processName(agent_id, av_name, true); } void LLAvatarNameCache::requestNamesViaLegacy() { + static const S32 MAX_REQUESTS = 100; F64 now = LLFrameTimer::getTotalSeconds(); std::string full_name; - ask_queue_t::const_iterator it = sAskQueue.begin(); - for (; it != sAskQueue.end(); ++it) + ask_queue_t::const_iterator it; + for (S32 requests = 0; !sAskQueue.empty() && requests < MAX_REQUESTS; ++requests) { + it = sAskQueue.begin(); const LLUUID& agent_id = *it; + sAskQueue.erase(it); // Mark as pending first, just in case the callback is immediately // invoked below. This should never happen in practice. @@ -427,10 +429,6 @@ void LLAvatarNameCache::requestNamesViaLegacy() boost::bind(&LLAvatarNameCache::legacyNameCallback, _1, _2, _3)); } - - // We've either answered immediately or moved all asks to the - // pending queue - sAskQueue.clear(); } void LLAvatarNameCache::initClass(bool running) @@ -507,11 +505,11 @@ void LLAvatarNameCache::idle() // *TODO: Possibly re-enabled this based on People API load measurements // 100 ms is the threshold for "user speed" operations, so we can // stall for about that long to batch up requests. - //const F32 SECS_BETWEEN_REQUESTS = 0.1f; - //if (!sRequestTimer.checkExpirationAndReset(SECS_BETWEEN_REQUESTS)) - //{ - // return; - //} + const F32 SECS_BETWEEN_REQUESTS = 0.1f; + if (!sRequestTimer.hasExpired()) + { + return; + } if (!sAskQueue.empty()) { @@ -526,6 +524,12 @@ void LLAvatarNameCache::idle() } } + if (sAskQueue.empty()) + { + // cleared the list, reset the request timer. + sRequestTimer.resetWithExpiry(SECS_BETWEEN_REQUESTS); + } + // erase anything that has not been refreshed for more than MAX_UNREFRESHED_TIME eraseUnrefreshed(); } @@ -583,7 +587,7 @@ void LLAvatarNameCache::buildLegacyName(const std::string& full_name, av_name->mDisplayName = full_name; av_name->mIsDisplayNameDefault = true; av_name->mIsTemporaryName = true; - av_name->mExpires = F64_MAX; // not used because these are not cached + av_name->mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME; LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::buildLegacyName " << full_name << LL_ENDL; @@ -737,12 +741,6 @@ void LLAvatarNameCache::erase(const LLUUID& agent_id) sCache.erase(agent_id); } -void LLAvatarNameCache::fetch(const LLUUID& agent_id) -{ - // re-request, even if request is already pending - sAskQueue.insert(agent_id); -} - void LLAvatarNameCache::insert(const LLUUID& agent_id, const LLAvatarName& av_name) { // *TODO: update timestamp if zero? diff --git a/indra/llmessage/llavatarnamecache.h b/indra/llmessage/llavatarnamecache.h index 064942fe53..79f170f7c8 100644 --- a/indra/llmessage/llavatarnamecache.h +++ b/indra/llmessage/llavatarnamecache.h @@ -86,10 +86,6 @@ namespace LLAvatarNameCache /// Provide some fallback for agents that return errors void handleAgentError(const LLUUID& agent_id); - // Force a re-fetch of the most recent data, but keep the current - // data in cache - void fetch(const LLUUID& agent_id); - void insert(const LLUUID& agent_id, const LLAvatarName& av_name); // Compute name expiration time from HTTP Cache-Control header, diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp index 10c83e6572..8ffa8e4271 100644 --- a/indra/llmessage/llcurl.cpp +++ b/indra/llmessage/llcurl.cpp @@ -294,6 +294,8 @@ LLCurl::Easy* LLCurl::Easy::getEasy() // multi handles cache if they are added to one. CURLcode result = curl_easy_setopt(easy->mCurlEasyHandle, CURLOPT_DNS_CACHE_TIMEOUT, 0); check_curl_code(result); + result = curl_easy_setopt(easy->mCurlEasyHandle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); + check_curl_code(result); ++gCurlEasyCount; return easy; @@ -482,7 +484,8 @@ void LLCurl::Easy::prepRequest(const std::string& url, //setopt(CURLOPT_VERBOSE, 1); // useful for debugging setopt(CURLOPT_NOSIGNAL, 1); - + setopt(CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); + // Set the CURL options for either Socks or HTTP proxy LLProxy::getInstance()->applyProxySettings(this); @@ -938,8 +941,8 @@ bool LLCurlThread::CurlRequest::processRequest() if(!completed) { - setPriority(LLQueuedThread::PRIORITY_LOW) ; - } + setPriority(LLQueuedThread::PRIORITY_LOW) ; + } } return completed ; @@ -949,7 +952,7 @@ void LLCurlThread::CurlRequest::finishRequest(bool completed) { if(mMulti->isDead()) { - mCurlThread->deleteMulti(mMulti) ; + mCurlThread->deleteMulti(mMulti) ; } else { @@ -993,6 +996,7 @@ void LLCurlThread::killMulti(LLCurl::Multi* multi) return ; } + multi->markDead() ; } @@ -1098,7 +1102,9 @@ void LLCurlRequest::get(const std::string& url, LLCurl::ResponderPtr responder) { getByteRange(url, headers_t(), 0, -1, responder); } - + +// Note: (length==0) is interpreted as "the rest of the file", i.e. the whole file if (offset==0) or +// the remainder of the file if not. bool LLCurlRequest::getByteRange(const std::string& url, const headers_t& headers, S32 offset, S32 length, @@ -1117,6 +1123,11 @@ bool LLCurlRequest::getByteRange(const std::string& url, std::string range = llformat("Range: bytes=%d-%d", offset,offset+length-1); easy->slist_append(range.c_str()); } + else if (offset > 0) + { + std::string range = llformat("Range: bytes=%d-", offset); + easy->slist_append(range.c_str()); + } easy->setHeaders(); bool res = addEasy(easy); return res; @@ -1244,6 +1255,208 @@ S32 LLCurlRequest::getQueued() return queued; } +LLCurlTextureRequest::LLCurlTextureRequest(S32 concurrency) : + LLCurlRequest(), + mConcurrency(concurrency), + mInQueue(0), + mMutex(NULL), + mHandleCounter(1), + mTotalIssuedRequests(0), + mTotalReceivedBits(0) +{ + mGlobalTimer.reset(); +} + +LLCurlTextureRequest::~LLCurlTextureRequest() +{ + mRequestMap.clear(); + + for(req_queue_t::iterator iter = mCachedRequests.begin(); iter != mCachedRequests.end(); ++iter) + { + delete *iter; + } + mCachedRequests.clear(); +} + +//return 0: success +// > 0: cached handle +U32 LLCurlTextureRequest::getByteRange(const std::string& url, + const headers_t& headers, + S32 offset, S32 length, U32 pri, + LLCurl::ResponderPtr responder, F32 delay_time) +{ + U32 ret_val = 0; + bool success = false; + + if(mInQueue < mConcurrency && delay_time < 0.f) + { + success = LLCurlRequest::getByteRange(url, headers, offset, length, responder); + } + + LLMutexLock lock(&mMutex); + + if(success) + { + mInQueue++; + mTotalIssuedRequests++; + } + else + { + request_t* request = new request_t(mHandleCounter, url, headers, offset, length, pri, responder); + if(delay_time > 0.f) + { + request->mStartTime = mGlobalTimer.getElapsedTimeF32() + delay_time; + } + + mCachedRequests.insert(request); + mRequestMap[mHandleCounter] = request; + ret_val = mHandleCounter; + mHandleCounter++; + + if(!mHandleCounter) + { + mHandleCounter = 1; + } + } + + return ret_val; +} + +void LLCurlTextureRequest::completeRequest(S32 received_bytes) +{ + LLMutexLock lock(&mMutex); + + llassert_always(mInQueue > 0); + + mInQueue--; + mTotalReceivedBits += received_bytes * 8; +} + +void LLCurlTextureRequest::nextRequests() +{ + if(mCachedRequests.empty() || mInQueue >= mConcurrency) + { + return; + } + + F32 cur_time = mGlobalTimer.getElapsedTimeF32(); + + req_queue_t::iterator iter; + { + LLMutexLock lock(&mMutex); + iter = mCachedRequests.begin(); + } + while(1) + { + request_t* request = *iter; + if(request->mStartTime < cur_time) + { + if(!LLCurlRequest::getByteRange(request->mUrl, request->mHeaders, request->mOffset, request->mLength, request->mResponder)) + { + break; + } + + LLMutexLock lock(&mMutex); + ++iter; + mInQueue++; + mTotalIssuedRequests++; + mCachedRequests.erase(request); + mRequestMap.erase(request->mHandle); + delete request; + + if(iter == mCachedRequests.end() || mInQueue >= mConcurrency) + { + break; + } + } + else + { + LLMutexLock lock(&mMutex); + ++iter; + if(iter == mCachedRequests.end() || mInQueue >= mConcurrency) + { + break; + } + } + } + + return; +} + +void LLCurlTextureRequest::updatePriority(U32 handle, U32 pri) +{ + if(!handle) + { + return; + } + + LLMutexLock lock(&mMutex); + + std::map<S32, request_t*>::iterator iter = mRequestMap.find(handle); + if(iter != mRequestMap.end()) + { + request_t* req = iter->second; + + if(req->mPriority != pri) + { + mCachedRequests.erase(req); + req->mPriority = pri; + mCachedRequests.insert(req); + } + } +} + +void LLCurlTextureRequest::removeRequest(U32 handle) +{ + if(!handle) + { + return; + } + + LLMutexLock lock(&mMutex); + + std::map<S32, request_t*>::iterator iter = mRequestMap.find(handle); + if(iter != mRequestMap.end()) + { + request_t* req = iter->second; + mRequestMap.erase(iter); + mCachedRequests.erase(req); + delete req; + } +} + +bool LLCurlTextureRequest::isWaiting(U32 handle) +{ + if(!handle) + { + return false; + } + + LLMutexLock lock(&mMutex); + return mRequestMap.find(handle) != mRequestMap.end(); +} + +U32 LLCurlTextureRequest::getTotalReceivedBits() +{ + LLMutexLock lock(&mMutex); + + U32 bits = mTotalReceivedBits; + mTotalReceivedBits = 0; + return bits; +} + +U32 LLCurlTextureRequest::getTotalIssuedRequests() +{ + LLMutexLock lock(&mMutex); + return mTotalIssuedRequests; +} + +S32 LLCurlTextureRequest::getNumRequests() +{ + LLMutexLock lock(&mMutex); + return mInQueue; +} + //////////////////////////////////////////////////////////////////////////// // For generating one easy request // associated with a single multi request diff --git a/indra/llmessage/llcurl.h b/indra/llmessage/llcurl.h index 62947bdb9d..7bcf61e233 100644 --- a/indra/llmessage/llcurl.h +++ b/indra/llmessage/llcurl.h @@ -407,6 +407,71 @@ private: BOOL mProcessing; }; +//for texture fetch only +class LLCurlTextureRequest : public LLCurlRequest +{ +public: + LLCurlTextureRequest(S32 concurrency); + ~LLCurlTextureRequest(); + + U32 getByteRange(const std::string& url, const headers_t& headers, S32 offset, S32 length, U32 pri, LLCurl::ResponderPtr responder, F32 delay_time = -1.f); + void nextRequests(); + void completeRequest(S32 received_bytes); + + void updatePriority(U32 handle, U32 pri); + void removeRequest(U32 handle); + + U32 getTotalReceivedBits(); + U32 getTotalIssuedRequests(); + S32 getNumRequests(); + bool isWaiting(U32 handle); + +private: + LLMutex mMutex; + S32 mConcurrency; + S32 mInQueue; //request currently in queue. + U32 mHandleCounter; + U32 mTotalIssuedRequests; + U32 mTotalReceivedBits; + + typedef struct _request_t + { + _request_t(U32 handle, const std::string& url, const headers_t& headers, S32 offset, S32 length, U32 pri, LLCurl::ResponderPtr responder) : + mHandle(handle), mUrl(url), mHeaders(headers), mOffset(offset), mLength(length), mPriority(pri), mResponder(responder), mStartTime(0.f) + {} + + U32 mHandle; + std::string mUrl; + LLCurlRequest::headers_t mHeaders; + S32 mOffset; + S32 mLength; + LLCurl::ResponderPtr mResponder; + U32 mPriority; + F32 mStartTime; //start time to issue this request + } request_t; + + struct request_compare + { + bool operator()(const request_t* lhs, const request_t* rhs) const + { + if(lhs->mPriority != rhs->mPriority) + { + return lhs->mPriority > rhs->mPriority; // higher priority in front of queue (set) + } + else + { + return (U32)lhs < (U32)rhs; + } + } + }; + + typedef std::set<request_t*, request_compare> req_queue_t; + req_queue_t mCachedRequests; + std::map<S32, request_t*> mRequestMap; + + LLFrameTimer mGlobalTimer; +}; + class LLCurlEasyRequest { public: diff --git a/indra/llmessage/llhttpassetstorage.cpp b/indra/llmessage/llhttpassetstorage.cpp index 612d765969..d6ed08055e 100644 --- a/indra/llmessage/llhttpassetstorage.cpp +++ b/indra/llmessage/llhttpassetstorage.cpp @@ -749,7 +749,7 @@ LLAssetRequest* LLHTTPAssetStorage::findNextRequest(LLAssetStorage::request_list request_list_t::iterator pending_iter = pending.begin(); request_list_t::iterator pending_end = pending.end(); // Loop over all pending requests until we miss finding it in the running list. - for (; pending_iter != pending.end(); ++pending_iter) + for (; pending_iter != pending_end; ++pending_iter) { LLAssetRequest* req = *pending_iter; // Look for this pending request in the running list. |