IOPosBuffer Struct Reference

#include <IOPosBuffer.h>

List of all members.

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

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Detailed Description

Buffer for I/O operations.

Definition at line 7 of file IOPosBuffer.h.

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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)
{}

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

{ return m_length; }

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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().