diff options
Diffstat (limited to 'indra/newview/lltexturefetch.cpp')
| -rw-r--r-- | indra/newview/lltexturefetch.cpp | 173 |
1 files changed, 56 insertions, 117 deletions
diff --git a/indra/newview/lltexturefetch.cpp b/indra/newview/lltexturefetch.cpp index 45a36dc545..fafef84aa2 100644 --- a/indra/newview/lltexturefetch.cpp +++ b/indra/newview/lltexturefetch.cpp @@ -2,31 +2,25 @@ * @file lltexturefetch.cpp * @brief Object which fetches textures from the cache and/or network * - * $LicenseInfo:firstyear=2000&license=viewergpl$ - * - * Copyright (c) 2000-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * 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 + * Copyright (C) 2010, Linden Research, Inc. * - * 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 + * 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. * - * 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. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -54,6 +48,7 @@ #include "llviewertexturelist.h" #include "llviewertexture.h" #include "llviewerregion.h" +#include "llviewerstats.h" #include "llworld.h" ////////////////////////////////////////////////////////////////////////////// @@ -150,7 +145,7 @@ public: ~LLTextureFetchWorker(); void relese() { --mActiveCount; } - void callbackHttpGet(const LLChannelDescriptors& channels, + S32 callbackHttpGet(const LLChannelDescriptors& channels, const LLIOPipe::buffer_ptr_t& buffer, bool partial, bool success); void callbackCacheRead(bool success, LLImageFormatted* image, @@ -335,8 +330,9 @@ public: worker->setGetStatus(status, reason); // llwarns << "CURL GET FAILED, status:" << status << " reason:" << reason << llendl; } - mFetcher->removeFromHTTPQueue(mID); - worker->callbackHttpGet(channels, buffer, partial, success); + + S32 data_size = worker->callbackHttpGet(channels, buffer, partial, success); + mFetcher->removeFromHTTPQueue(mID, data_size); } else { @@ -595,7 +591,7 @@ bool LLTextureFetchWorker::doWork(S32 param) return true; // abort } } - if(mImagePriority < 1.0f) + if(mImagePriority < F_ALMOST_ZERO) { if (mState == INIT || mState == LOAD_FROM_NETWORK || mState == LOAD_FROM_SIMULATOR) { @@ -850,20 +846,17 @@ bool LLTextureFetchWorker::doWork(S32 param) { if(mCanUseHTTP) { - // *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) + //NOTE: + //control the number of the http requests issued for: + //1, not openning too many file descriptors at the same time; + //2, control the traffic of http so udp gets bandwidth. + // + static const S32 MAX_NUM_OF_HTTP_REQUESTS_IN_QUEUE = 32 ; + if(mFetcher->getNumHTTPRequests() > MAX_NUM_OF_HTTP_REQUESTS_IN_QUEUE) { - // Make normal priority and return (i.e. wait until there is room in the queue) - setPriority(LLWorkerThread::PRIORITY_NORMAL | mWorkPriority); - return false; + return false ; //wait. } - + mFetcher->removeFromNetworkQueue(this, false); S32 cur_size = 0; @@ -899,7 +892,7 @@ bool LLTextureFetchWorker::doWork(S32 param) mGetReason.clear(); LL_DEBUGS("Texture") << "HTTP GET: " << mID << " Offset: " << offset << " Bytes: " << mRequestedSize - << " Bandwidth(kbps): " << mFetcher->getTextureBandwidth() << "/" << max_bandwidth + << " Bandwidth(kbps): " << mFetcher->getTextureBandwidth() << "/" << mFetcher->mMaxBandwidth << LL_ENDL; setPriority(LLWorkerThread::PRIORITY_LOW | mWorkPriority); mState = WAIT_HTTP_REQ; @@ -979,6 +972,7 @@ bool LLTextureFetchWorker::doWork(S32 param) else { resetFormattedData(); + mState = DONE; return true; // failed } } @@ -1271,8 +1265,7 @@ bool LLTextureFetchWorker::deleteOK() if ((haveWork() && // not ok to delete from these states - ((mState == WAIT_HTTP_REQ) || - (mState >= WRITE_TO_CACHE && mState <= WAIT_ON_WRITE)))) + ((mState >= WRITE_TO_CACHE && mState <= WAIT_ON_WRITE)))) { delete_ok = false; } @@ -1351,29 +1344,29 @@ bool LLTextureFetchWorker::processSimulatorPackets() ////////////////////////////////////////////////////////////////////////////// -void LLTextureFetchWorker::callbackHttpGet(const LLChannelDescriptors& channels, +S32 LLTextureFetchWorker::callbackHttpGet(const LLChannelDescriptors& channels, const LLIOPipe::buffer_ptr_t& buffer, bool partial, bool success) { + S32 data_size = 0 ; + LLMutexLock lock(&mWorkMutex); if (mState != WAIT_HTTP_REQ) { llwarns << "callbackHttpGet for unrequested fetch worker: " << mID << " req=" << mSentRequest << " state= " << mState << llendl; - return; + return data_size; } if (mLoaded) { llwarns << "Duplicate callback for " << mID.asString() << llendl; - return; // ignore duplicate callback + return data_size ; // ignore duplicate callback } if (success) { // get length of stream: - S32 data_size = buffer->countAfter(channels.in(), NULL); - - gTextureList.sTextureBits += data_size * 8; // Approximate - does not include header bits + data_size = buffer->countAfter(channels.in(), NULL); LL_DEBUGS("Texture") << "HTTP RECEIVED: " << mID.asString() << " Bytes: " << data_size << LL_ENDL; if (data_size > 0) @@ -1410,6 +1403,8 @@ void LLTextureFetchWorker::callbackHttpGet(const LLChannelDescriptors& channels, } mLoaded = TRUE; setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority); + + return data_size ; } ////////////////////////////////////////////////////////////////////////////// @@ -1528,15 +1523,11 @@ LLTextureFetch::LLTextureFetch(LLTextureCache* cache, LLImageDecodeThread* image mTextureCache(cache), mImageDecodeThread(imagedecodethread), mTextureBandwidth(0), + mHTTPTextureBits(0), mCurlGetRequest(NULL) { 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() @@ -1678,69 +1669,11 @@ void LLTextureFetch::addToHTTPQueue(const LLUUID& id) mHTTPTextureQueue.insert(id); } -void LLTextureFetch::removeFromHTTPQueue(const LLUUID& id) +void LLTextureFetch::removeFromHTTPQueue(const LLUUID& id, S32 received_size) { LLMutexLock lock(&mNetworkQueueMutex); 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[TOTAL_TEXTURE_TYPES - 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. + mHTTPTextureBits += received_size * 8; // Approximate - does not include header bits } void LLTextureFetch::deleteRequest(const LLUUID& id, bool cancel) @@ -1888,12 +1821,19 @@ bool LLTextureFetch::updateRequestPriority(const LLUUID& id, F32 priority) //virtual S32 LLTextureFetch::update(U32 max_time_ms) { - S32 res; - static LLCachedControl<F32> band_width(gSavedSettings,"ThrottleBandwidthKBPS"); - mMaxBandwidth = band_width ; - - res = LLWorkerThread::update(max_time_ms); + + { + mNetworkQueueMutex.lock() ; + mMaxBandwidth = band_width ; + + gTextureList.sTextureBits += mHTTPTextureBits ; + mHTTPTextureBits = 0 ; + + mNetworkQueueMutex.unlock() ; + } + + S32 res = LLWorkerThread::update(max_time_ms); if (!mDebugPause) { @@ -1909,7 +1849,6 @@ S32 LLTextureFetch::update(U32 max_time_ms) lldebugs << "processed: " << processed << " messages." << llendl; } } - clearHTTPThrottleFlag(); return res; } |