Method CleanUpCache

libi2pd_client/AddressBook.cpp:323–334

	}

	void AddressBookFilesystemStorage::CleanUpCache ()
	{
		auto ts = i2p::util::GetMonotonicSeconds ();
		std::lock_guard<std::mutex> l(m_FullAddressCacheMutex);
		for (auto it = m_FullAddressCache.begin (); it != m_FullAddressCache.end ();)
		{
			if (ts > it->second.second + ADDRESS_CACHE_EXPIRATION_TIMEOUT)
				it = m_FullAddressCache.erase (it);
			else
				it++;
		}
	}

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