// Get data packer for this object, if we have cached data
// AND the CRC matches. JC
LLDataPacker *LLViewerRegion::getDP(U32 local_id, U32 crc)
{
	llassert(mCacheLoaded);

	LLVOCacheEntry* entry = get_if_there(mCacheMap, local_id, (LLVOCacheEntry*)NULL);

	if (entry)
	{
		// we've seen this object before
		if (entry->getCRC() == crc)
		{
			// Record a hit
			entry->recordHit();
			return entry->getDP(crc);
		}
		else
		{
			// llinfos << "CRC miss for " << local_id << llendl;
			mCacheMissCRC.put(local_id);
		}
	}
	else
	{
		// llinfos << "Cache miss for " << local_id << llendl;
		mCacheMissFull.put(local_id);
	}
	return NULL;
}
Exemple #2
0
// Get data packer for this object, if we have cached data
// AND the CRC matches. JC
LLDataPacker *LLViewerRegion::getDP(U32 local_id, U32 crc, U8 &cache_miss_type)
{
	//llassert(mCacheLoaded);  This assert failes often, changing to early-out -- davep, 2010/10/18

	LLVOCacheEntry* entry = get_if_there(mImpl->mCacheMap, local_id, (LLVOCacheEntry*)NULL);

	if (entry)
	{
		// we've seen this object before
		if (entry->getCRC() == crc)
		{
			// Record a hit
			entry->recordHit();
		cache_miss_type = CACHE_MISS_TYPE_NONE;
			return entry->getDP(crc);
		}
		else
		{
			// llinfos << "CRC miss for " << local_id << llendl;
		cache_miss_type = CACHE_MISS_TYPE_CRC;
			mCacheMissCRC.put(local_id);
		}
	}
	else
	{
		// llinfos << "Cache miss for " << local_id << llendl;
	cache_miss_type = CACHE_MISS_TYPE_FULL;
		mCacheMissFull.put(local_id);
	}

	return NULL;
}
LLViewerRegion::eCacheUpdateResult LLViewerRegion::cacheFullUpdate(LLViewerObject* objectp, LLDataPackerBinaryBuffer &dp)
{
	U32 local_id = objectp->getLocalID();
	U32 crc = objectp->getCRC();

	LLVOCacheEntry* entry = get_if_there(mImpl->mCacheMap, local_id, (LLVOCacheEntry*)NULL);

	if (entry)
	{
		// we've seen this object before
		if (entry->getCRC() == crc)
		{
			// Record a hit
			entry->recordDupe();
			return CACHE_UPDATE_DUPE;
		}

		// Update the cache entry
		mImpl->mCacheMap.erase(local_id);
		delete entry;
		entry = new LLVOCacheEntry(local_id, crc, dp);
		mImpl->mCacheMap[local_id] = entry;
		return CACHE_UPDATE_CHANGED;
	}

	// we haven't seen this object before

	// Create new entry and add to map
	eCacheUpdateResult result = CACHE_UPDATE_ADDED;
	if (mImpl->mCacheMap.size() > MAX_OBJECT_CACHE_ENTRIES)
	{
		delete mImpl->mCacheMap.begin()->second ;
		mImpl->mCacheMap.erase(mImpl->mCacheMap.begin());
		result = CACHE_UPDATE_REPLACED;
		
	}
	entry = new LLVOCacheEntry(local_id, crc, dp);

	mImpl->mCacheMap[local_id] = entry;
	return result;
}
void LLViewerRegion::cacheFullUpdate(LLViewerObject* objectp, LLDataPackerBinaryBuffer &dp)
{
	U32 local_id = objectp->getLocalID();
	U32 crc = objectp->getCRC();

	LLVOCacheEntry* entry = get_if_there(mCacheMap, local_id, (LLVOCacheEntry*)NULL);

	if (entry)
	{
		// we've seen this object before
		if (entry->getCRC() == crc)
		{
			// Record a hit
			entry->recordDupe();
		}
		else
		{
			// Update the cache entry
			mCacheMap.erase(local_id);
			delete entry;
			entry = new LLVOCacheEntry(local_id, crc, dp);
			mCacheMap[local_id] = entry;
		}
	}
	else
	{
		// we haven't seen this object before

		// Create new entry and add to map
		if (mCacheMap.size() > MAX_OBJECT_CACHE_ENTRIES)
		{
			mCacheMap.erase(mCacheMap.begin());
		}
		entry = new LLVOCacheEntry(local_id, crc, dp);

		mCacheMap[local_id] = entry;
	}
	return ;
}