Method AddRegion

view/sharedcache/core/SharedCache.cpp:178–210

}

void SharedCache::AddRegion(CacheRegion&& region)
{
	// Handle overlapping regions here.
	const auto regionRange = region.AsAddressRange();
	// First region at or past the start of the region.
	const auto begin = m_regions.lower_bound(regionRange.start);
	if (begin == m_regions.end())
	{
		AddNonOverlappingRegion(std::move(region));
		return;
	}

	// First region past the end of the region.
	const auto end = m_regions.lower_bound(regionRange.end);

	for (auto it = begin; it != end; ++it)
	{
		const uint64_t newRegionSize = it->second.start - region.start;
		if (newRegionSize)
		{
			CacheRegion newRegion(region);
			newRegion.size = newRegionSize;
			AddNonOverlappingRegion(std::move(newRegion));
		}

		region.start = it->second.start + it->second.size;
		region.size -= (newRegionSize + it->second.size);
	}

	// Add remaining region.
	if (region.size > 0)
		AddNonOverlappingRegion(std::move(region));
}

bool SharedCache::AddNonOverlappingRegion(CacheRegion region)
{