diff options
Diffstat (limited to 'indra/newview/lltexturecache.cpp')
| -rw-r--r-- | indra/newview/lltexturecache.cpp | 124 |
1 files changed, 92 insertions, 32 deletions
diff --git a/indra/newview/lltexturecache.cpp b/indra/newview/lltexturecache.cpp index 9ad2322765..2fd0a22f80 100644 --- a/indra/newview/lltexturecache.cpp +++ b/indra/newview/lltexturecache.cpp @@ -2,31 +2,25 @@ * @file lltexturecache.cpp * @brief Object which handles local texture caching * - * $LicenseInfo:firstyear=2000&license=viewergpl$ - * - * 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. + * + * 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. * - * 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 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. * - * 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. + * 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 * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -391,6 +385,7 @@ bool LLTextureCacheRemoteWorker::doRead() } else { + //llinfos << "texture " << mID.asString() << " found in local_assets" << llendl; mImageSize = local_size; mImageLocal = TRUE; } @@ -997,7 +992,11 @@ LLAPRFile* LLTextureCache::openHeaderEntriesFile(bool readonly, S32 offset) void LLTextureCache::closeHeaderEntriesFile() { - llassert_always(mHeaderAPRFile != NULL); + if(!mHeaderAPRFile) + { + return ; + } + delete mHeaderAPRFile; mHeaderAPRFile = NULL; } @@ -1114,7 +1113,7 @@ S32 LLTextureCache::openAndReadEntry(const LLUUID& id, Entry& entry, bool create } //mHeaderMutex is locked before calling this. -void LLTextureCache::writeEntryToHeaderImmediately(S32 idx, Entry& entry, bool write_header) +void LLTextureCache::writeEntryToHeaderImmediately(S32& idx, Entry& entry, bool write_header) { LLAPRFile* aprfile ; S32 bytes_written ; @@ -1123,7 +1122,13 @@ void LLTextureCache::writeEntryToHeaderImmediately(S32 idx, Entry& entry, bool w { aprfile = openHeaderEntriesFile(false, 0); bytes_written = aprfile->write((U8*)&mHeaderEntriesInfo, sizeof(EntriesInfo)) ; - llassert_always(bytes_written == sizeof(EntriesInfo)); + if(bytes_written != sizeof(EntriesInfo)) + { + clearCorruptedCache() ; //clear the cache. + idx = -1 ;//mark the idx invalid. + return ; + } + mHeaderAPRFile->seek(APR_SET, offset); } else @@ -1131,19 +1136,31 @@ void LLTextureCache::writeEntryToHeaderImmediately(S32 idx, Entry& entry, bool w aprfile = openHeaderEntriesFile(false, offset); } bytes_written = aprfile->write((void*)&entry, (S32)sizeof(Entry)); - llassert_always(bytes_written == sizeof(Entry)); + if(bytes_written != sizeof(Entry)) + { + clearCorruptedCache() ; //clear the cache. + idx = -1 ;//mark the idx invalid. + + return ; + } + closeHeaderEntriesFile(); mUpdatedEntryMap.erase(idx) ; } //mHeaderMutex is locked before calling this. -void LLTextureCache::readEntryFromHeaderImmediately(S32 idx, Entry& entry) +void LLTextureCache::readEntryFromHeaderImmediately(S32& idx, Entry& entry) { S32 offset = sizeof(EntriesInfo) + idx * sizeof(Entry); LLAPRFile* aprfile = openHeaderEntriesFile(true, offset); S32 bytes_read = aprfile->read((void*)&entry, (S32)sizeof(Entry)); - llassert_always(bytes_read == sizeof(Entry)); closeHeaderEntriesFile(); + + if(bytes_read != sizeof(Entry)) + { + clearCorruptedCache() ; //clear the cache. + idx = -1 ;//mark the idx invalid. + } } //mHeaderMutex is locked before calling this. @@ -1168,7 +1185,7 @@ void LLTextureCache::updateEntryTimeStamp(S32 idx, Entry& entry) } //update an existing entry, write to header file immediately. -bool LLTextureCache::updateEntry(S32 idx, Entry& entry, S32 new_image_size, S32 new_data_size) +bool LLTextureCache::updateEntry(S32& idx, Entry& entry, S32 new_image_size, S32 new_data_size) { S32 new_body_size = llmax(0, new_data_size - TEXTURE_CACHE_ENTRY_SIZE) ; @@ -1239,6 +1256,10 @@ U32 LLTextureCache::openAndReadEntries(std::vector<Entry>& entries) { aprfile = openHeaderEntriesFile(false, 0); updatedHeaderEntriesFile() ; + if(!aprfile) + { + return 0; + } aprfile->seek(APR_SET, (S32)sizeof(EntriesInfo)); } for (U32 idx=0; idx<num_entries; idx++) @@ -1280,7 +1301,11 @@ void LLTextureCache::writeEntriesAndClose(const std::vector<Entry>& entries) for (S32 idx=0; idx<num_entries; idx++) { S32 bytes_written = aprfile->write((void*)(&entries[idx]), (S32)sizeof(Entry)); - llassert_always(bytes_written == sizeof(Entry)); + if(bytes_written != sizeof(Entry)) + { + clearCorruptedCache() ; //clear the cache. + return ; + } } closeHeaderEntriesFile(); } @@ -1306,7 +1331,11 @@ void LLTextureCache::updatedHeaderEntriesFile() //entriesInfo mHeaderAPRFile->seek(APR_SET, 0); S32 bytes_written = mHeaderAPRFile->write((U8*)&mHeaderEntriesInfo, sizeof(EntriesInfo)) ; - llassert_always(bytes_written == sizeof(EntriesInfo)); + if(bytes_written != sizeof(EntriesInfo)) + { + clearCorruptedCache() ; //clear the cache. + return ; + } //write each updated entry S32 entry_size = (S32)sizeof(Entry) ; @@ -1322,7 +1351,11 @@ void LLTextureCache::updatedHeaderEntriesFile() } bytes_written = mHeaderAPRFile->write((void*)(&iter->second), entry_size); - llassert_always(bytes_written == entry_size); + if(bytes_written != entry_size) + { + clearCorruptedCache() ; //clear the cache. + return ; + } } mUpdatedEntryMap.clear() ; } @@ -1443,6 +1476,29 @@ void LLTextureCache::readHeaderCache() ////////////////////////////////////////////////////////////////////////////// +//the header mutex is locked before calling this. +void LLTextureCache::clearCorruptedCache() +{ + llwarns << "the texture cache is corrupted, need to be cleared." << llendl ; + + closeHeaderEntriesFile();//close possible file handler + purgeAllTextures(false) ; //clear the cache. + + if (!mReadOnly) //regenerate the directory tree if not exists. + { + LLFile::mkdir(mTexturesDirName); + + const char* subdirs = "0123456789abcdef"; + for (S32 i=0; i<16; i++) + { + std::string dirname = mTexturesDirName + gDirUtilp->getDirDelimiter() + subdirs[i]; + LLFile::mkdir(dirname); + } + } + + return ; +} + void LLTextureCache::purgeAllTextures(bool purge_directories) { if (!mReadOnly) @@ -1471,11 +1527,14 @@ void LLTextureCache::purgeAllTextures(bool purge_directories) mTexturesSizeTotal = 0; mFreeList.clear(); mTexturesSizeTotal = 0; + mUpdatedEntryMap.clear(); // Info with 0 entries mHeaderEntriesInfo.mVersion = sHeaderCacheVersion; mHeaderEntriesInfo.mEntries = 0; writeEntriesHeader(); + + llinfos << "The entire texture cache is cleared." << llendl ; } void LLTextureCache::purgeTextures(bool validate) @@ -1643,7 +1702,8 @@ S32 LLTextureCache::setHeaderCacheEntry(const LLUUID& id, Entry& entry, S32 imag { updateEntry(idx, entry, imagesize, datasize); } - else // retry + + if(idx < 0) // retry { readHeaderCache(); // We couldn't write an entry, so refresh the LRU |