IOPosBuffer Struct Reference

#include <IOPosBuffer.h>

Public Member Functions
void *	data (void) const
	IOPosBuffer (void)
	IOPosBuffer (IOOffset offset, void *data, IOSize length)
	IOPosBuffer (IOOffset offset, const void *data, IOSize length)
IOOffset	offset (void) const
IOSize	size (void) const

Private Attributes
void *	m_data
IOSize	m_length
IOOffset	m_offset

Detailed Description

Buffer for I/O operations.

Definition at line 7 of file IOPosBuffer.h.

Constructor & Destructor Documentation

IOPosBuffer::IOPosBuffer ( void  )

inline

Construct a null I/O buffer.

Definition at line 26 of file IOPosBuffer.h.

  : m_offset (0),
    m_data (0),
    m_length (0)
{}

IOPosBuffer::IOPosBuffer ( IOOffset  offset, void *  data, IOSize  length  )

inline

Construct a I/O buffer for reading.

Definition at line 34 of file IOPosBuffer.h.

  : m_offset (offset),
    m_data (data),
    m_length (length)
{}

IOPosBuffer::IOPosBuffer ( IOOffset  offset, const void *  data, IOSize  length  )

inline

Construct a I/O buffer for writing.

Definition at line 42 of file IOPosBuffer.h.

  : m_offset (offset),
    m_data (const_cast<void *> (data)),
    m_length (length)
{}

Member Function Documentation

void * IOPosBuffer::data ( void  ) const

inline

Return a pointer to the beginning of the buffer's data area.

Definition at line 55 of file IOPosBuffer.h.

References m_data.

{ return m_data; }

IOOffset IOPosBuffer::offset ( void  ) const

inline

Return the file offset where I/O is expected to occur.

Definition at line 50 of file IOPosBuffer.h.

References m_offset.

Referenced by LocalCacheFile::prefetch(), XrdFile::prefetch(), RFIOFile::prefetch(), File::prefetch(), LocalCacheFile::readv(), DCacheFile::readv(), and XrdFile::readv().

{ return m_offset; }

IOSize IOPosBuffer::size ( void  ) const

inline

Return the buffer's size.

Definition at line 60 of file IOPosBuffer.h.

References m_length.

Referenced by LocalCacheFile::prefetch(), XrdFile::prefetch(), RFIOFile::prefetch(), File::prefetch(), LocalCacheFile::readv(), DCacheFile::readv(), and XrdFile::readv().

{ return m_length; }

Member Data Documentation

void* IOPosBuffer::m_data

private

Definition at line 20 of file IOPosBuffer.h.

Referenced by data().

IOSize IOPosBuffer::m_length

private

Definition at line 21 of file IOPosBuffer.h.

Referenced by size().

IOOffset IOPosBuffer::m_offset

private

Definition at line 19 of file IOPosBuffer.h.

Referenced by offset().