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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "IDirectory.h"
#include "threads/CriticalSection.h"
#include <map>
#include <memory>
#include <set>
class CFileItem;
namespace XFILE
{
class CDirectoryCache
{
class CDir
{
public:
explicit CDir(DIR_CACHE_TYPE cacheType);
CDir(CDir&& dir) = default;
CDir& operator=(CDir&& dir) = default;
virtual ~CDir();
void SetLastAccess(unsigned int &accessCounter);
unsigned int GetLastAccess() const { return m_lastAccess; }
std::unique_ptr<CFileItemList> m_Items;
DIR_CACHE_TYPE m_cacheType;
private:
CDir(const CDir&) = delete;
CDir& operator=(const CDir&) = delete;
unsigned int m_lastAccess;
};
public:
CDirectoryCache(void);
virtual ~CDirectoryCache(void);
bool GetDirectory(const std::string& strPath, CFileItemList &items, bool retrieveAll = false);
void SetDirectory(const std::string& strPath, const CFileItemList &items, DIR_CACHE_TYPE cacheType);
void ClearDirectory(const std::string& strPath);
void ClearFile(const std::string& strFile);
void ClearSubPaths(const std::string& strPath);
void Clear();
void AddFile(const std::string& strFile);
bool FileExists(const std::string& strPath, bool& bInCache);
#ifdef _DEBUG
void PrintStats() const;
#endif
protected:
void InitCache(const std::set<std::string>& dirs);
void ClearCache(std::set<std::string>& dirs);
void CheckIfFull();
std::map<std::string, CDir> m_cache;
mutable CCriticalSection m_cs;
unsigned int m_accessCounter;
#ifdef _DEBUG
unsigned int m_cacheHits;
unsigned int m_cacheMisses;
#endif
};
}
extern XFILE::CDirectoryCache g_directoryCache;
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