GlassFreeList Class Reference

#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.

~GlassFreeList()

GlassFreeList::~GlassFreeList ( )

inline

Definition at line 105 of file glass_freelist.h.

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(), and GlassTable::is_writable().

empty()

bool GlassFreeList::empty ( ) const

inline

Definition at line 107 of file glass_freelist.h.

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.

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 Xapian::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 GlassFLCursor::pack(), and pack_uint().

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, rare, and GlassTable::read_block().

Referenced by GlassTable::get_path().

reset()

void GlassFreeList::reset ( )

inline

Definition at line 99 of file glass_freelist.h.

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.

Referenced by GlassDatabase::compact().

set_revision()

void GlassFreeList::set_revision ( uint4  revision_ )

inline

Definition at line 117 of file glass_freelist.h.

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 GlassFLCursor::unpack(), and unpack_uint().

Referenced by GlassTable::cancel().

unpack() [2/2]

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

inline

Definition at line 145 of file glass_freelist.h.

References GlassFLCursor::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(), SET_REVISION(), and GlassTable::write_block().

Referenced by GlassTable::get_path().

Member Data Documentation

first_unused_block

uint4 GlassFreeList::first_unused_block

protected

Definition at line 78 of file glass_freelist.h.

fl

GlassFLCursor GlassFreeList::fl

protected

Definition at line 80 of file glass_freelist.h.

fl_end

GlassFLCursor GlassFreeList::fl_end

protected

Definition at line 80 of file glass_freelist.h.

flw

GlassFLCursor GlassFreeList::flw

protected

Definition at line 80 of file glass_freelist.h.

flw_appending

bool GlassFreeList::flw_appending

protected

Definition at line 82 of file glass_freelist.h.

p

uint8_t* GlassFreeList::p

private

Current freelist block.

Definition at line 86 of file glass_freelist.h.

pw

uint8_t* GlassFreeList::pw

private

Current freelist block we're writing.

Definition at line 89 of file glass_freelist.h.

revision

uint4 GlassFreeList::revision

protected

Definition at line 76 of file glass_freelist.h.

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

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