diff options
Diffstat (limited to 'indra/newview/lltexturefetch.cpp')
| -rw-r--r-- | indra/newview/lltexturefetch.cpp | 196 |
1 files changed, 52 insertions, 144 deletions
diff --git a/indra/newview/lltexturefetch.cpp b/indra/newview/lltexturefetch.cpp index 5996fe3da7..52d227f827 100644 --- a/indra/newview/lltexturefetch.cpp +++ b/indra/newview/lltexturefetch.cpp @@ -2,25 +2,31 @@ * @file lltexturefetch.cpp * @brief Object which fetches textures from the cache and/or network * - * $LicenseInfo:firstyear=2000&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. + * $LicenseInfo:firstyear=2000&license=viewergpl$ + * + * Copyright (c) 2000-2009, Linden Research, Inc. * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. + * 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 * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. + * 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 * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * 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. * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ @@ -284,8 +290,8 @@ class HTTPGetResponder : public LLCurl::Responder { LOG_CLASS(HTTPGetResponder); public: - HTTPGetResponder(LLTextureFetch* fetcher, const LLUUID& id, U64 startTime, S32 requestedSize, U32 offset, bool redir) - : mFetcher(fetcher), mID(id), mStartTime(startTime), mRequestedSize(requestedSize), mOffset(offset), mFollowRedir(redir) + HTTPGetResponder(LLTextureFetch* fetcher, const LLUUID& id, U64 startTime, S32 requestedSize, U32 offset) + : mFetcher(fetcher), mID(id), mStartTime(startTime), mRequestedSize(requestedSize), mOffset(offset) { } ~HTTPGetResponder() @@ -338,11 +344,6 @@ public: llwarns << "Worker not found: " << mID << llendl; } } - - virtual bool followRedir() - { - return mFollowRedir; - } private: LLTextureFetch* mFetcher; @@ -350,7 +351,6 @@ private: U64 mStartTime; S32 mRequestedSize; U32 mOffset; - bool mFollowRedir; }; ////////////////////////////////////////////////////////////////////////////// @@ -582,26 +582,14 @@ bool LLTextureFetchWorker::doWork(S32 param) { LLMutexLock lock(&mWorkMutex); - if ((mFetcher->isQuitting() || getFlags(LLWorkerClass::WCF_DELETE_REQUESTED))) + if ((mFetcher->isQuitting() || mImagePriority < 1.0f || getFlags(LLWorkerClass::WCF_DELETE_REQUESTED))) { if (mState < DECODE_IMAGE) { return true; // abort } } - if(mImagePriority < 1.0f) - { - if (mState == INIT || mState == LOAD_FROM_NETWORK || mState == LOAD_FROM_SIMULATOR) - { - return true; // abort - } - } - if(mState > CACHE_POST && !mCanUseNET && !mCanUseHTTP) - { - //nowhere to get data, abort. - return true ; - } - + if (mFetcher->mDebugPause) { return false; // debug: don't do any work @@ -789,7 +777,7 @@ bool LLTextureFetchWorker::doWork(S32 param) } // don't return, fall through to next state } - else if (mSentRequest == UNSENT && mCanUseNET) + else if (mSentRequest == UNSENT) { // Add this to the network queue and sit here. // LLTextureFetch::update() will send off a request which will change our state @@ -842,16 +830,16 @@ bool LLTextureFetchWorker::doWork(S32 param) if (mState == SEND_HTTP_REQ) { - if(mCanUseHTTP) { + const S32 HTTP_QUEUE_MAX_SIZE = 8; // *TODO: Integrate this with llviewerthrottle // Note: LLViewerThrottle uses dynamic throttling which makes sense for UDP, // but probably not for Textures. // Set the throttle to the entire bandwidth, assuming UDP packets will get priority // when they are needed - //F32 max_bandwidth = mFetcher->mMaxBandwidth; - if (mFetcher->isHTTPThrottled(mDesiredSize))// || - //mFetcher->getTextureBandwidth() > max_bandwidth) + F32 max_bandwidth = mFetcher->mMaxBandwidth; + if ((mFetcher->getHTTPQueueSize() >= HTTP_QUEUE_MAX_SIZE) || + (mFetcher->getTextureBandwidth() > max_bandwidth)) { // Make normal priority and return (i.e. wait until there is room in the queue) setPriority(LLWorkerThread::PRIORITY_NORMAL | mWorkPriority); @@ -866,17 +854,10 @@ bool LLTextureFetchWorker::doWork(S32 param) cur_size = mFormattedImage->getDataSize(); // amount of data we already have if (mFormattedImage->getDiscardLevel() == 0) { - if(cur_size > 0) - { - // We already have all the data, just decode it - mLoadedDiscard = mFormattedImage->getDiscardLevel(); - mState = DECODE_IMAGE; - return false; - } - else - { - return true ; //abort. - } + // We already have all the data, just decode it + mLoadedDiscard = mFormattedImage->getDiscardLevel(); + mState = DECODE_IMAGE; + return false; } } mRequestedSize = mDesiredSize; @@ -893,7 +874,7 @@ bool LLTextureFetchWorker::doWork(S32 param) mGetReason.clear(); LL_DEBUGS("Texture") << "HTTP GET: " << mID << " Offset: " << offset << " Bytes: " << mRequestedSize - << " Bandwidth(kbps): " << mFetcher->getTextureBandwidth() << "/" << mFetcher->mMaxBandwidth + << " Bandwidth(kbps): " << mFetcher->getTextureBandwidth() << "/" << max_bandwidth << LL_ENDL; setPriority(LLWorkerThread::PRIORITY_LOW | mWorkPriority); mState = WAIT_HTTP_REQ; @@ -903,7 +884,7 @@ bool LLTextureFetchWorker::doWork(S32 param) std::vector<std::string> headers; headers.push_back("Accept: image/x-j2c"); res = mFetcher->mCurlGetRequest->getByteRange(mUrl, headers, offset, mRequestedSize, - new HTTPGetResponder(mFetcher, mID, LLTimer::getTotalTime(), mRequestedSize, offset, true)); + new HTTPGetResponder(mFetcher, mID, LLTimer::getTotalTime(), mRequestedSize, offset)); } if (!res) { @@ -914,10 +895,6 @@ bool LLTextureFetchWorker::doWork(S32 param) } // fall through } - else //can not use http fetch. - { - return true ; //abort - } } if (mState == WAIT_HTTP_REQ) @@ -951,6 +928,17 @@ bool LLTextureFetchWorker::doWork(S32 param) max_attempts = mHTTPFailCount+1; // Keep retrying LL_INFOS_ONCE("Texture") << "Texture server busy (503): " << mUrl << LL_ENDL; } + else if(mGetStatus >= HTTP_MULTIPLE_CHOICES && mGetStatus < HTTP_BAD_REQUEST) //http re-direct + { + ++mHTTPFailCount; + max_attempts = 5 ; //try at most 5 times to avoid infinite redirection loop. + + llwarns << "HTTP GET failed because of redirection: " << mUrl + << " Status: " << mGetStatus << " Reason: '" << mGetReason << llendl ; + + //assign to the new url + mUrl = mGetReason ; + } else { const S32 HTTP_MAX_RETRY_COUNT = 3; @@ -983,17 +971,6 @@ bool LLTextureFetchWorker::doWork(S32 param) } } - llassert_always(mBufferSize == cur_size + mRequestedSize); - if(!mBufferSize)//no data received. - { - delete[] mBuffer; - mBuffer = NULL; - - //abort. - mState = DONE; - return true; - } - if (mFormattedImage.isNull()) { // For now, create formatted image based on extension @@ -1004,7 +981,8 @@ bool LLTextureFetchWorker::doWork(S32 param) mFormattedImage = new LLImageJ2C; // default } } - + + llassert_always(mBufferSize == cur_size + mRequestedSize); if (mHaveAllData && mRequestedDiscard == 0) //the image file is fully loaded. { mFileSize = mBufferSize; @@ -1063,12 +1041,7 @@ bool LLTextureFetchWorker::doWork(S32 param) if (mFormattedImage->getDataSize() <= 0) { - //llerrs << "Decode entered with invalid mFormattedImage. ID = " << mID << llendl; - - //abort, don't decode - mState = DONE; - setPriority(LLWorkerThread::PRIORITY_LOW | mWorkPriority); - return true; + llerrs << "Decode entered with invalid mFormattedImage. ID = " << mID << llendl; } if (mLoadedDiscard < 0) { @@ -1265,7 +1238,7 @@ bool LLTextureFetchWorker::deleteOK() if ((haveWork() && // not ok to delete from these states - ((mState == WAIT_HTTP_REQ) || + ((mState >= SEND_HTTP_REQ && mState <= WAIT_HTTP_REQ) || (mState >= WRITE_TO_CACHE && mState <= WAIT_ON_WRITE)))) { delete_ok = false; @@ -1526,11 +1499,6 @@ LLTextureFetch::LLTextureFetch(LLTextureCache* cache, LLImageDecodeThread* image { mMaxBandwidth = gSavedSettings.getF32("ThrottleBandwidthKBPS"); mTextureInfo.setUpLogging(gSavedSettings.getBOOL("LogTextureDownloadsToViewerLog"), gSavedSettings.getBOOL("LogTextureDownloadsToSimulator"), gSavedSettings.getU32("TextureLoggingThreshold")); - - for(S32 i = 0 ; i < TOTAL_TEXTURE_TYPES; i++) - { - mHTTPThrottleFlag[i] = FALSE ; - } } LLTextureFetch::~LLTextureFetch() @@ -1678,65 +1646,6 @@ void LLTextureFetch::removeFromHTTPQueue(const LLUUID& id) mHTTPTextureQueue.erase(id); } -void LLTextureFetch::clearHTTPThrottleFlag() -{ - static const F32 WAIT_TIME = 0.3f ; //seconds. - static LLFrameTimer timer ; - - if(timer.getElapsedTimeF32() < WAIT_TIME) //wait for WAIT_TIME - { - return ; - } - timer.reset() ; - - LLMutexLock lock(&mNetworkQueueMutex); - for(S32 i = 0 ; i < TOTAL_TEXTURE_TYPES; i++)//reset the http throttle flags. - { - mHTTPThrottleFlag[i] = FALSE ; - } -} - -//check if need to throttle this fetching request. -//rule: if a request can not be inserted into the http queue due to a full queue, -// block all future insertions of requests with larger fetching size requirement. -//because: -// later insertions are usually at lower priorities; and -// small textures need chance to be fetched. -bool LLTextureFetch::isHTTPThrottled(S32 requested_size) -{ - static const S32 SMALL_TEXTURE_MAX_SIZE = 64 * 64 * 4 ; - static const S32 MEDIUM_TEXTURE_MAX_SIZE = 256 * 256 * 4 ; - static const U32 MAX_HTTP_QUEUE_SIZE = 8 ; - - //determine the class of the texture: SMALL, MEDIUM, or LARGE. - S32 type = LARGE_TEXTURE ; - if(requested_size <= SMALL_TEXTURE_MAX_SIZE) - { - type = SMALL_TEXTURE ; - } - else if(requested_size <= MEDIUM_TEXTURE_MAX_SIZE) - { - type = MEDIUM_TEXTURE ; - } - - LLMutexLock lock(&mNetworkQueueMutex); - - if(mHTTPTextureQueue.size() >= MAX_HTTP_QUEUE_SIZE)//if the http queue is full. - { - if(!mHTTPThrottleFlag[type + 1]) - { - for(S32 i = type + 1 ; i < TOTAL_TEXTURE_TYPES; i++) //block all requests with fetching size larger than this request. - { - mHTTPThrottleFlag[i] = TRUE ; - } - } - - return true ; - } - - return mHTTPThrottleFlag[type] ; //true if this request can not be inserted to the http queue. -} - void LLTextureFetch::deleteRequest(const LLUUID& id, bool cancel) { lockQueue() ; @@ -1903,8 +1812,7 @@ S32 LLTextureFetch::update(U32 max_time_ms) lldebugs << "processed: " << processed << " messages." << llendl; } } - clearHTTPThrottleFlag(); - + return res; } |