XFILE::CSimpleFileCache Class Reference

#include <CacheStrategy.h>

Inheritance diagram for XFILE::CSimpleFileCache:

Public Member Functions
	CSimpleFileCache ()
	~CSimpleFileCache () override
int	Open () override
void	Close () override
size_t	GetMaxWriteSize (const size_t &iRequestSize) override
int	WriteToCache (const char *pBuffer, size_t iSize) override
int	ReadFromCache (char *pBuffer, size_t iMaxSize) override
int64_t	WaitForData (unsigned int iMinAvail, unsigned int iMillis) override
int64_t	Seek (int64_t iFilePosition) override
bool	Reset (int64_t iSourcePosition, bool clearAnyway=true) override
	Reset cache position. More...
void	EndOfInput () override
int64_t	CachedDataEndPosIfSeekTo (int64_t iFilePosition) override
int64_t	CachedDataEndPos () override
bool	IsCachedPosition (int64_t iFilePosition) override
CCacheStrategy *	CreateNew () override
int64_t	GetAvailableRead ()
Public Member Functions inherited from XFILE::CCacheStrategy
virtual	~CCacheStrategy ()
virtual bool	IsEndOfInput ()
virtual void	ClearEndOfInput ()

Protected Attributes
std::string	m_filename
IFile *	m_cacheFileRead
IFile *	m_cacheFileWrite
CEvent *	m_hDataAvailEvent
volatile int64_t	m_nStartPosition = 0
volatile int64_t	m_nWritePosition = 0
volatile int64_t	m_nReadPosition = 0
Protected Attributes inherited from XFILE::CCacheStrategy
bool	m_bEndOfInput = false

Additional Inherited Members
Public Attributes inherited from XFILE::CCacheStrategy
CEvent	m_space

Constructor & Destructor Documentation

CSimpleFileCache()

CSimpleFileCache::CSimpleFileCache

(

)

~CSimpleFileCache()

CSimpleFileCache::~CSimpleFileCache ( )

override

Member Function Documentation

CachedDataEndPos()

int64_t CSimpleFileCache::CachedDataEndPos ( )

overridevirtual

Implements XFILE::CCacheStrategy.

CachedDataEndPosIfSeekTo()

int64_t CSimpleFileCache::CachedDataEndPosIfSeekTo ( int64_t  iFilePosition )

overridevirtual

Implements XFILE::CCacheStrategy.

Close()

void CSimpleFileCache::Close ( void  )

overridevirtual

Implements XFILE::CCacheStrategy.

CreateNew()

CCacheStrategy * CSimpleFileCache::CreateNew ( )

overridevirtual

Implements XFILE::CCacheStrategy.

EndOfInput()

void CSimpleFileCache::EndOfInput ( )

overridevirtual

Reimplemented from XFILE::CCacheStrategy.

GetAvailableRead()

int64_t CSimpleFileCache::GetAvailableRead

(

)

GetMaxWriteSize()

size_t CSimpleFileCache::GetMaxWriteSize ( const size_t &  iRequestSize )

overridevirtual

Implements XFILE::CCacheStrategy.

IsCachedPosition()

bool CSimpleFileCache::IsCachedPosition ( int64_t  iFilePosition )

overridevirtual

Implements XFILE::CCacheStrategy.

Open()

int CSimpleFileCache::Open ( )

overridevirtual

Implements XFILE::CCacheStrategy.

ReadFromCache()

int CSimpleFileCache::ReadFromCache ( char *  pBuffer, size_t  iMaxSize  )

overridevirtual

Implements XFILE::CCacheStrategy.

Reset()

bool CSimpleFileCache::Reset ( int64_t  iSourcePosition, bool  clearAnyway = true  )

overridevirtual

Reset cache position.

Parameters

iSourcePosition	position to reset to
clearAnyway	whether to perform a full reset regardless of in cached range already

Returns

Whether a full reset was performed, or not (e.g. only cache swap)

See also

CCacheStrategy

Implements XFILE::CCacheStrategy.

Seek()

int64_t CSimpleFileCache::Seek ( int64_t  iFilePosition )

overridevirtual

Implements XFILE::CCacheStrategy.

WaitForData()

int64_t CSimpleFileCache::WaitForData ( unsigned int  iMinAvail, unsigned int  iMillis  )

overridevirtual

Implements XFILE::CCacheStrategy.

WriteToCache()

int CSimpleFileCache::WriteToCache ( const char *  pBuffer, size_t  iSize  )

overridevirtual

Implements XFILE::CCacheStrategy.

Member Data Documentation

m_cacheFileRead

IFile* XFILE::CSimpleFileCache::m_cacheFileRead

protected

m_cacheFileWrite

IFile* XFILE::CSimpleFileCache::m_cacheFileWrite

protected

m_filename

std::string XFILE::CSimpleFileCache::m_filename

protected

m_hDataAvailEvent

CEvent* XFILE::CSimpleFileCache::m_hDataAvailEvent

protected

m_nReadPosition

volatile int64_t XFILE::CSimpleFileCache::m_nReadPosition = 0

protected

m_nStartPosition

volatile int64_t XFILE::CSimpleFileCache::m_nStartPosition = 0

protected

m_nWritePosition

volatile int64_t XFILE::CSimpleFileCache::m_nWritePosition = 0

protected

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The documentation for this class was generated from the following files:

• CacheStrategy.h
• CacheStrategy.cpp