Xapian: Internal Source Documentation: GlassFreeList Class Reference

xapian-core 1.4.30

#include <glass_freelist.h>

Collaboration diagram for GlassFreeList:

Public Member Functions
	GlassFreeList ()

void	reset ()

	~GlassFreeList ()

bool	empty () const

uint4	get_block (const GlassTable B, uint4 block_size, uint4 blk_to_free=NULL)

uint4	walk (const GlassTable *B, uint4 block_size, bool inclusive)

void	mark_block_unused (const GlassTable *B, uint4 block_size, uint4 n)

uint4	get_revision () const

void	set_revision (uint4 revision_)

uint4	get_first_unused_block () const

void	set_first_unused_block (uint4 base)

void	commit (const GlassTable *B, uint4 block_size)

void	pack (std::string &buf)

bool	unpack (const char *pstart, const char end)

bool	unpack (const std::string &s)

Protected Attributes
uint4	revision

uint4	first_unused_block

GlassFLCursor	fl

GlassFLCursor	fl_end

GlassFLCursor	flw

bool	flw_appending

Private Member Functions
	GlassFreeList (const GlassFreeList &)

void	operator= (const GlassFreeList &)

void	read_block (const GlassTable B, uint4 n, uint8_t p)

void	write_block (const GlassTable B, uint4 n, uint8_t p, uint4 rev)

Private Attributes
uint8_t *	p
	Current freelist block. More...

uint8_t *	pw
	Current freelist block we're writing. More...

Detailed Description

Definition at line 66 of file glass_freelist.h.

Constructor & Destructor Documentation

◆ GlassFreeList() [1/2]

GlassFreeList::GlassFreeList ( const GlassFreeList & )

private

◆ GlassFreeList() [2/2]

GlassFreeList::GlassFreeList ( )

inline

Definition at line 92 of file glass_freelist.h.

References first_unused_block, flw_appending, p, pw, and revision.

◆ ~GlassFreeList()

GlassFreeList::~GlassFreeList ( )

inline

Definition at line 105 of file glass_freelist.h.

References p, and pw.

Member Function Documentation

◆ commit()

void GlassFreeList::commit	(	const GlassTable *	B,
		uint4	block_size
	)

Definition at line 242 of file glass_freelist.cc.

References aligned_read4(), Assert, FREELIST_END, Xapian::revision(), and UNUSED.

Referenced by GlassTable::commit().

◆ empty()

bool GlassFreeList::empty ( ) const

inline

Definition at line 107 of file glass_freelist.h.

References fl, and fl_end.

◆ get_block()

uint4 GlassFreeList::get_block	(	const GlassTable *	B,
		uint4	block_size,
		uint4 *	blk_to_free = `NULL`
	)

Definition at line 85 of file glass_freelist.cc.

References aligned_read4(), Assert, BLK_UNUSED, C_BASE, FREELIST_END, Xapian::Internal::str(), and UNUSED.

◆ get_first_unused_block()

uint4 GlassFreeList::get_first_unused_block ( ) const

inline

Definition at line 119 of file glass_freelist.h.

References first_unused_block.

Referenced by GlassFreeListChecker::GlassFreeListChecker(), and GlassTable::next_for_sequential().

◆ get_revision()

uint4 GlassFreeList::get_revision ( ) const

inline

Definition at line 116 of file glass_freelist.h.

References revision.

◆ mark_block_unused()

void GlassFreeList::mark_block_unused	(	const GlassTable *	B,
		uint4	block_size,
		uint4	n
	)

Definition at line 187 of file glass_freelist.cc.

References aligned_read4(), aligned_write4(), Assert, BLK_UNUSED, C_BASE, FREELIST_END, Xapian::revision(), and UNUSED.

◆ operator=()

void GlassFreeList::operator= ( const GlassFreeList & )

private

◆ pack()

void GlassFreeList::pack ( std::string & buf )

inline

Definition at line 126 of file glass_freelist.h.

References first_unused_block, fl, flw, GlassFLCursor::pack(), pack_uint(), and revision.

Referenced by GlassTable::commit(), and GlassDatabase::compact().

◆ read_block()

void GlassFreeList::read_block	(	const GlassTable *	B,
		uint4	n,
		uint8_t *	p
	)

private

Definition at line 67 of file glass_freelist.cc.

References GET_LEVEL(), Glass::LEVEL_FREELIST, and rare.

◆ reset()

void GlassFreeList::reset ( )

inline

Definition at line 99 of file glass_freelist.h.

References first_unused_block, flw_appending, and revision.

Referenced by GlassTable::cancel().

◆ set_first_unused_block()

void GlassFreeList::set_first_unused_block ( uint4 base )

inline

Definition at line 122 of file glass_freelist.h.

References first_unused_block.

Referenced by GlassDatabase::compact().

◆ set_revision()

void GlassFreeList::set_revision ( uint4 revision_ )

inline

Definition at line 117 of file glass_freelist.h.

References revision.

Referenced by GlassTable::commit().

◆ unpack() [1/2]

bool GlassFreeList::unpack	(	const char **	pstart,
		const char *	end
	)

inline

Definition at line 133 of file glass_freelist.h.

References first_unused_block, fl, fl_end, flw, flw_appending, revision, GlassFLCursor::unpack(), and unpack_uint().

Referenced by GlassTable::cancel(), and unpack().

◆ unpack() [2/2]

bool GlassFreeList::unpack ( const std::string & s )

inline

Definition at line 145 of file glass_freelist.h.

References unpack().

◆ walk()

uint4 GlassFreeList::walk	(	const GlassTable *	B,
		uint4	block_size,
		bool	inclusive
	)

Definition at line 140 of file glass_freelist.cc.

References aligned_read4(), Assert, C_BASE, FREELIST_END, and UNUSED.

◆ write_block()

void GlassFreeList::write_block	(	const GlassTable *	B,
		uint4	n,
		uint8_t *	p,
		uint4	rev
	)

private

Definition at line 75 of file glass_freelist.cc.

References aligned_write4(), Glass::LEVEL_FREELIST, SET_LEVEL(), and SET_REVISION().

Member Data Documentation

◆ first_unused_block

uint4 GlassFreeList::first_unused_block

protected

Definition at line 78 of file glass_freelist.h.

Referenced by get_first_unused_block(), GlassFreeList(), pack(), reset(), set_first_unused_block(), and unpack().

◆ fl

GlassFLCursor GlassFreeList::fl

protected

Definition at line 80 of file glass_freelist.h.

Referenced by empty(), pack(), and unpack().

◆ fl_end

GlassFLCursor GlassFreeList::fl_end

protected

Definition at line 80 of file glass_freelist.h.

Referenced by empty(), and unpack().

◆ flw

GlassFLCursor GlassFreeList::flw

protected

Definition at line 80 of file glass_freelist.h.

Referenced by pack(), and unpack().

◆ flw_appending

bool GlassFreeList::flw_appending

protected

Definition at line 82 of file glass_freelist.h.

Referenced by GlassFreeList(), reset(), and unpack().

◆ p

uint8_t* GlassFreeList::p

private

Current freelist block.

Definition at line 86 of file glass_freelist.h.

Referenced by GlassFreeList(), and ~GlassFreeList().

◆ pw

uint8_t* GlassFreeList::pw

private

Current freelist block we're writing.

Definition at line 89 of file glass_freelist.h.

Referenced by GlassFreeList(), and ~GlassFreeList().

◆ revision

uint4 GlassFreeList::revision

protected

Definition at line 76 of file glass_freelist.h.

Referenced by get_revision(), GlassFreeList(), pack(), reset(), set_revision(), and unpack().

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

backends/glass/glass_freelist.h
backends/glass/glass_freelist.cc