diff options
Diffstat (limited to 'indra/newview/llviewerregion.cpp')
| -rw-r--r-- | indra/newview/llviewerregion.cpp | 196 |
1 files changed, 35 insertions, 161 deletions
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp index 93666ee5f2..3e2ea8c665 100644 --- a/indra/newview/llviewerregion.cpp +++ b/indra/newview/llviewerregion.cpp @@ -2,31 +2,25 @@ * @file llviewerregion.cpp * @brief Implementation of the LLViewerRegion class. * - * $LicenseInfo:firstyear=2000&license=viewergpl$ - * - * 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 * $/LicenseInfo$ */ @@ -75,11 +69,6 @@ #pragma warning(disable:4355) #endif -// Viewer object cache version, change if object update -// format changes. JC -const U32 INDRA_OBJECT_CACHE_VERSION = 14; - - extern BOOL gNoRender; const F32 WATER_TEXTURE_SCALE = 8.f; // Number of times to repeat the water texture across a region @@ -218,7 +207,7 @@ LLViewerRegion::LLViewerRegion(const U64 &handle, mProductName("unknown"), mHttpUrl(""), mCacheLoaded(FALSE), - mCacheEntriesCount(0), + mCacheDirty(FALSE), mCacheID(), mEventPoll(NULL), mReleaseNotesRequested(FALSE), @@ -268,8 +257,6 @@ LLViewerRegion::LLViewerRegion(const U64 &handle, // Create the object lists initStats(); - mCacheStart.append(mCacheEnd); - //create object partitions //MUST MATCH declaration of eObjectPartitions mObjectPartition.push_back(new LLHUDPartition()); //PARTITION_HUD @@ -323,13 +310,12 @@ LLViewerRegion::~LLViewerRegion() delete mEventPoll; LLHTTPSender::clearSender(mHost); - saveCache(); + saveObjectCache(); std::for_each(mObjectPartition.begin(), mObjectPartition.end(), DeletePointer()); } - -void LLViewerRegion::loadCache() +void LLViewerRegion::loadObjectCache() { if (mCacheLoaded) { @@ -339,144 +325,36 @@ void LLViewerRegion::loadCache() // Presume success. If it fails, we don't want to try again. mCacheLoaded = TRUE; - LLVOCacheEntry *entry; - - std::string filename; - filename = gDirUtilp->getExpandedFilename(LL_PATH_CACHE,"") + gDirUtilp->getDirDelimiter() + - llformat("objects_%d_%d.slc",U32(mHandle>>32)/REGION_WIDTH_UNITS, U32(mHandle)/REGION_WIDTH_UNITS ); - - LLFILE* fp = LLFile::fopen(filename, "rb"); /* Flawfinder: ignore */ - if (!fp) + if(LLVOCache::hasInstance()) { - // might not have a file, which is normal - return; - } - - U32 zero; - size_t nread; - nread = fread(&zero, sizeof(U32), 1, fp); - if (nread != 1 || zero) - { - // a non-zero value here means bad things! - // skip reading the cached values - llinfos << "Cache file invalid" << llendl; - fclose(fp); - return; + LLVOCache::getInstance()->readFromCache(mHandle, mCacheID, mCacheMap) ; } - - U32 version; - nread = fread(&version, sizeof(U32), 1, fp); - if (nread != 1 || version != INDRA_OBJECT_CACHE_VERSION) - { - // a version mismatch here means we've changed the binary format! - // skip reading the cached values - llinfos << "Cache version changed, discarding" << llendl; - fclose(fp); - return; - } - - LLUUID cache_id; - nread = fread(&cache_id.mData, 1, UUID_BYTES, fp); - if (nread != (size_t)UUID_BYTES || mCacheID != cache_id) - { - llinfos << "Cache ID doesn't match for this region, discarding" - << llendl; - fclose(fp); - return; - } - - S32 num_entries; - nread = fread(&num_entries, sizeof(S32), 1, fp); - if (nread != 1) - { - llinfos << "Short read, discarding" << llendl; - fclose(fp); - return; - } - - S32 i; - for (i = 0; i < num_entries; i++) - { - entry = new LLVOCacheEntry(fp); - if (!entry->getLocalID()) - { - llwarns << "Aborting cache file load for " << filename << ", cache file corruption!" << llendl; - delete entry; - entry = NULL; - break; - } - mCacheEnd.insert(*entry); - mCacheMap[entry->getLocalID()] = entry; - mCacheEntriesCount++; - } - - fclose(fp); } -void LLViewerRegion::saveCache() +void LLViewerRegion::saveObjectCache() { if (!mCacheLoaded) { return; } - S32 num_entries = mCacheEntriesCount; - if (0 == num_entries) + if (mCacheMap.empty()) { return; } - std::string filename; - filename = gDirUtilp->getExpandedFilename(LL_PATH_CACHE,"") + gDirUtilp->getDirDelimiter() + - llformat("sobjects_%d_%d.slc", U32(mHandle>>32)/REGION_WIDTH_UNITS, U32(mHandle)/REGION_WIDTH_UNITS ); - - LLFILE* fp = LLFile::fopen(filename, "wb"); /* Flawfinder: ignore */ - if (!fp) - { - llwarns << "Unable to write cache file " << filename << llendl; - return; - } - - // write out zero to indicate a version cache file - U32 zero = 0; - if (fwrite(&zero, sizeof(U32), 1, fp) != 1) - { - llwarns << "Short write" << llendl; - } - - // write out version number - U32 version = INDRA_OBJECT_CACHE_VERSION; - if (fwrite(&version, sizeof(U32), 1, fp) != 1) - { - llwarns << "Short write" << llendl; - } - - // write the cache id for this sim - if (fwrite(&mCacheID.mData, 1, UUID_BYTES, fp) != (size_t)UUID_BYTES) - { - llwarns << "Short write" << llendl; - } - - if (fwrite(&num_entries, sizeof(S32), 1, fp) != 1) + if(LLVOCache::hasInstance()) { - llwarns << "Short write" << llendl; + LLVOCache::getInstance()->writeToCache(mHandle, mCacheID, mCacheMap, mCacheDirty) ; + mCacheDirty = FALSE; } - LLVOCacheEntry *entry; - - for (entry = mCacheStart.getNext(); entry && (entry != &mCacheEnd); entry = entry->getNext()) + for(LLVOCacheEntry::vocache_entry_map_t::iterator iter = mCacheMap.begin(); iter != mCacheMap.end(); ++iter) { - entry->writeToFile(fp); + delete iter->second; } - mCacheMap.clear(); - mCacheEnd.unlink(); - mCacheEnd.init(); - mCacheStart.deleteAll(); - mCacheStart.init(); - - fclose(fp); } void LLViewerRegion::sendMessage() @@ -1169,7 +1047,6 @@ void LLViewerRegion::cacheFullUpdate(LLViewerObject* objectp, LLDataPackerBinary mCacheMap.erase(local_id); delete entry; entry = new LLVOCacheEntry(local_id, crc, dp); - mCacheEnd.insert(*entry); mCacheMap[local_id] = entry; } } @@ -1178,18 +1055,13 @@ void LLViewerRegion::cacheFullUpdate(LLViewerObject* objectp, LLDataPackerBinary // we haven't seen this object before // Create new entry and add to map - if (mCacheEntriesCount > MAX_OBJECT_CACHE_ENTRIES) + if (mCacheMap.size() > MAX_OBJECT_CACHE_ENTRIES) { - entry = mCacheStart.getNext(); - mCacheMap.erase(entry->getLocalID()); - delete entry; - mCacheEntriesCount--; + mCacheMap.erase(mCacheMap.begin()); } entry = new LLVOCacheEntry(local_id, crc, dp); - mCacheEnd.insert(*entry); mCacheMap[local_id] = entry; - mCacheEntriesCount++; } return ; } @@ -1304,6 +1176,7 @@ void LLViewerRegion::requestCacheMisses() mCacheMissFull.reset(); mCacheMissCRC.reset(); + mCacheDirty = TRUE ; // llinfos << "KILLDEBUG Sent cache miss full " << full_count << " crc " << crc_count << llendl; } @@ -1321,9 +1194,10 @@ void LLViewerRegion::dumpCache() } LLVOCacheEntry *entry; - - for (entry = mCacheStart.getNext(); entry && (entry != &mCacheEnd); entry = entry->getNext()) + for(LLVOCacheEntry::vocache_entry_map_t::iterator iter = mCacheMap.begin(); iter != mCacheMap.end(); ++iter) { + entry = iter->second ; + S32 hits = entry->getHitCount(); S32 changes = entry->getCRCChangeCount(); @@ -1334,7 +1208,7 @@ void LLViewerRegion::dumpCache() change_bin[changes]++; } - llinfos << "Count " << mCacheEntriesCount << llendl; + llinfos << "Count " << mCacheMap.size() << llendl; for (i = 0; i < BINS; i++) { llinfos << "Hits " << i << " " << hit_bin[i] << llendl; @@ -1454,7 +1328,7 @@ void LLViewerRegion::unpackRegionHandshake() // Now that we have the name, we can load the cache file // off disk. - loadCache(); + loadObjectCache(); // After loading cache, signal that simulator can start // sending data. |