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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 "IFile.h"
#include "CacheStrategy.h"
#include "threads/CriticalSection.h"
#include "File.h"
#include "threads/Thread.h"
#include <atomic>
namespace XFILE
{
class CFileCache : public IFile, public CThread
{
public:
explicit CFileCache(const unsigned int flags);
CFileCache(CCacheStrategy *pCache, bool bDeleteCache = true);
~CFileCache() override;
void SetCacheStrategy(CCacheStrategy *pCache, bool bDeleteCache = true);
// CThread methods
void Process() override;
void OnExit() override;
void StopThread(bool bWait = true) override;
// IFIle methods
bool Open(const CURL& url) override;
void Close() override;
bool Exists(const CURL& url) override;
int Stat(const CURL& url, struct __stat64* buffer) override;
ssize_t Read(void* lpBuf, size_t uiBufSize) override;
int64_t Seek(int64_t iFilePosition, int iWhence) override;
int64_t GetPosition() override;
int64_t GetLength() override;
int IoControl(EIoControl request, void* param) override;
IFile *GetFileImp();
const std::string GetProperty(XFILE::FileProperty type, const std::string &name = "") const override;
virtual const std::vector<std::string> GetPropertyValues(XFILE::FileProperty type, const std::string &name = "") const override
{
return std::vector<std::string>();
}
private:
CCacheStrategy *m_pCache;
bool m_bDeleteCache;
int m_seekPossible;
CFile m_source;
std::string m_sourcePath;
CEvent m_seekEvent;
CEvent m_seekEnded;
int64_t m_nSeekResult;
int64_t m_seekPos;
int64_t m_readPos;
int64_t m_writePos;
unsigned m_chunkSize;
unsigned m_writeRate;
unsigned m_writeRateActual;
int64_t m_forwardCacheSize;
int64_t m_forward;
bool m_bFilling;
bool m_bLowSpeedDetected;
std::atomic<int64_t> m_fileSize;
unsigned int m_flags;
CCriticalSection m_sync;
};
}
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