stxxl::sim_disk_file Class Reference

Implementation of disk emulation. More...

#include <simdisk_file.h>

Inheritance diagram for stxxl::sim_disk_file:

Collaboration diagram for stxxl::sim_disk_file:

List of all members.

Public Member Functions
	sim_disk_file (const std::string &filename, int mode, int queue_id=DEFAULT_QUEUE, int allocator_id=NO_ALLOCATOR)
	constructs file object
void	serve (const request *req) throw (io_error)
void	set_size (offset_type newsize)
	Changes the size of the file.
const char *	io_type () const
	Identifies the type of I/O implementation.

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Detailed Description

Implementation of disk emulation.

Remarks:

It is emulation of IBM IC35L080AVVA07 disk's timings

Definition at line 122 of file simdisk_file.h.

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Constructor & Destructor Documentation

stxxl::sim_disk_file::sim_disk_file	(	const std::string &	filename,
		int	mode,
		int	queue_id = DEFAULT_QUEUE,
		int	allocator_id = NO_ALLOCATOR
	)		[inline]

constructs file object

Parameters:

filename

path of file

Attention:

filename must be resided at memory disk partition

Parameters:

mode	open mode, see stxxl::file::open_modes
disk	disk(file) identifier

Definition at line 130 of file simdisk_file.h.

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Member Function Documentation

const char* stxxl::sim_disk_file::io_type

(

)

const [virtual]

Identifies the type of I/O implementation.

Returns:

pointer to null terminated string of characters, containing the name of I/O implementation

Reimplemented from stxxl::ufs_file_base.

void stxxl::sim_disk_file::serve

(

const request *

req

)

throw (io_error) [virtual]

Implements stxxl::file.

void stxxl::sim_disk_file::set_size

(

offset_type

newsize

)

[virtual]

Changes the size of the file.

Parameters:

newsize

new file size

Reimplemented from stxxl::ufs_file_base.

Referenced by main().

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

• include/stxxl/bits/io/simdisk_file.h