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
void	set_data (void *new_buffer)
void	set_offset (IOOffset new_offset)
void	set_size (IOSize new_size)
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.

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Constructor & Destructor Documentation

IOPosBuffer::IOPosBuffer

(

void

)

[inline]

Construct a null I/O buffer.

Definition at line 30 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 38 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 46 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 59 of file IOPosBuffer.h.

References m_data.

Referenced by XrdFile::readv(), and ReadRepacker::unpack().

{ return m_data; }

IOOffset IOPosBuffer::offset

(

void

)

const [inline]

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

Definition at line 54 of file IOPosBuffer.h.

References m_offset.

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

{ return m_offset; }

void IOPosBuffer::set_data

(

void *

new_data

)

[inline]

Update the buffer's data area

Definition at line 74 of file IOPosBuffer.h.

References m_data.

Referenced by ReadRepacker::packInternal().

{ m_data = new_data; }

void IOPosBuffer::set_offset

(

IOOffset

new_offset

)

[inline]

Update the file offset

Definition at line 69 of file IOPosBuffer.h.

References m_offset.

Referenced by ReadRepacker::packInternal().

{ m_offset = new_offset; }

void IOPosBuffer::set_size

(

IOSize

new_length

)

[inline]

Update the buffer's size

Definition at line 79 of file IOPosBuffer.h.

References m_length.

Referenced by ReadRepacker::packInternal().

{ m_length = new_length; }

IOSize IOPosBuffer::size

(

void

)

const [inline]

Return the buffer's size.

Definition at line 64 of file IOPosBuffer.h.

References m_length.

Referenced by ReadRepacker::packInternal(), LocalCacheFile::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 24 of file IOPosBuffer.h.

Referenced by data(), and set_data().

IOSize IOPosBuffer::m_length [private]

Definition at line 25 of file IOPosBuffer.h.

Referenced by set_size(), and size().

IOOffset IOPosBuffer::m_offset [private]

Definition at line 23 of file IOPosBuffer.h.

Referenced by offset(), and set_offset().