Class LongFilenameCache

libcppcryptfs/filename/longfilenamecache.h:74–113

class LongFilenameCache {

private:


	unordered_map<wstring, LongFilenameCacheNode*> m_map;

	list<LongFilenameCacheNode*> m_lru_list;

	list<LongFilenameCacheNode*> m_spare_node_list;

	CRITICAL_SECTION m_crit;

	long long m_lookups;
	long long m_hits;

	void lock();
	void unlock();

	bool check_node_clean(LongFilenameCacheNode *node, const wstring& path);

public:

	// disallow copying
	LongFilenameCache(LongFilenameCache const&) = delete;
	void operator=(LongFilenameCache const&) = delete;

	LongFilenameCache();

	virtual ~LongFilenameCache();

	bool lookup(LPCWSTR base64_hash, wstring *path, string *actual_encrypted);

	bool store_if_not_there(LPCWSTR base64_hash, LPCWSTR path, const char *actual_encrypted);

	void remove(LPCWSTR base64_hash);
	
	long long hits() { long long rval; lock(); rval = m_hits; unlock(); return rval; }
	long long lookups() { long long rval; lock(); rval = m_lookups; unlock(); return rval; }
};