stxxl::config Class Reference

Access point to disks properties. More...

#include <config.h>

List of all members.

Classes
struct	DiskEntry
Public Member Functions
unsigned	disks_number () const
	Returns number of disks available to user.
std::pair< unsigned, unsigned >	regular_disk_range () const
	Returns contiguous range of regular disks w/o flash devices in the array of all disks.
std::pair< unsigned, unsigned >	flash_range () const
	Returns contiguous range of flash devices in the array of all disks.
const std::string &	disk_path (int disk) const
	Returns path of disks.
stxxl::int64	disk_size (int disk) const
	Returns disk size.
const std::string &	disk_io_impl (int disk) const
	Returns name of I/O implementation of particular disk.
Private Member Functions
	config ()
	~config ()
void	init (const char *config_path="./.stxxl")
Private Attributes
std::vector< DiskEntry >	disks_props
unsigned	first_flash

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Detailed Description

Access point to disks properties.

Remarks:

is a singleton

Definition at line 32 of file config.h.

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Constructor & Destructor Documentation

stxxl::config::config

(

)

[inline, private]

Definition at line 50 of file config.h.

References init().

stxxl::config::~config

(

)

[inline, private]

Definition at line 59 of file config.h.

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Member Function Documentation

const std::string& stxxl::config::disk_io_impl

(

int

disk

)

const [inline]

Returns name of I/O implementation of particular disk.

Parameters:

disk	disk's identifier

Definition at line 113 of file config.h.

Referenced by stxxl::block_manager::block_manager(), and main().

const std::string& stxxl::config::disk_path

(

int

disk

)

const [inline]

Returns path of disks.

Parameters:

disk	disk's identifier

Returns:

string that contains the disk's path name

Definition at line 98 of file config.h.

Referenced by stxxl::block_manager::block_manager(), and main().

stxxl::int64 stxxl::config::disk_size

(

int

disk

)

const [inline]

Returns disk size.

Parameters:

disk	disk's identifier

Returns:

disk size in bytes

Definition at line 106 of file config.h.

Referenced by stxxl::block_manager::block_manager(), and main().

unsigned stxxl::config::disks_number

(

)

const [inline]

Returns number of disks available to user.

Returns:

number of disks

Definition at line 76 of file config.h.

Referenced by stxxl::block_manager::block_manager(), main(), and stxxl::stable_ksort().

std::pair<unsigned, unsigned> stxxl::config::flash_range

(

)

const [inline]

Returns contiguous range of flash devices in the array of all disks.

Returns:

range [begin, end) of flash device indices

Definition at line 90 of file config.h.

Referenced by main().

void stxxl::config::init

(

const char *

config_path = "./.stxxl"

)

[private]

Definition at line 27 of file config.cpp.

References stxxl::config::DiskEntry::autogrow, stxxl::get_version_string(), stxxl::config::DiskEntry::path, stxxl::config::DiskEntry::size, stxxl::split(), stxxl_check_ne_0, STXXL_MSG, and STXXL_THROW.

std::pair<unsigned, unsigned> stxxl::config::regular_disk_range

(

)

const [inline]

Returns contiguous range of regular disks w/o flash devices in the array of all disks.

Returns:

range [begin, end) of regular disk indices

Definition at line 83 of file config.h.

Referenced by main().

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Member Data Documentation

std::vector<DiskEntry> stxxl::config::disks_props [private]

Definition at line 45 of file config.h.

unsigned stxxl::config::first_flash [private]

Definition at line 48 of file config.h.

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

• include/stxxl/bits/mng/config.h
• mng/config.cpp