IDZEBRA: isamc.c File Reference

IDZEBRA 2.2.7

isamc

#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <yaz/log.h>
#include <yaz/snprintf.h>
#include <yaz/xmalloc.h>
#include "isamc-p.h"

Go to the source code of this file.

Macros
#define	ISAMC_FREELIST_CHUNK 0

#define	SMALL_TEST 0

Functions
static void	flush_block (ISAMC is, int cat)

static void	release_fc (ISAMC is, int cat)

static void	init_fc (ISAMC is, int cat)

void	isamc_getmethod (ISAMC_M *m)

ISAMC	isamc_open (BFiles bfs, const char name, int writeflag, ISAMC_M method)

zint	isamc_block_used (ISAMC is, int type)

int	isamc_block_size (ISAMC is, int type)

int	isamc_close (ISAMC is)

int	isamc_read_block (ISAMC is, int cat, zint pos, char *dst)

int	isamc_write_block (ISAMC is, int cat, zint pos, char *src)

int	isamc_write_dblock (ISAMC is, int cat, zint pos, char *src, zint nextpos, int offset)

static zint	alloc_block (ISAMC is, int cat)

static void	release_block (ISAMC is, int cat, zint pos)

zint	isamc_alloc_block (ISAMC is, int cat)

void	isamc_release_block (ISAMC is, int cat, zint pos)

void	isamc_pp_close (ISAMC_PP pp)

ISAMC_PP	isamc_pp_open (ISAMC is, ISAM_P ipos)

int	isamc_pp_read (ISAMC_PP pp, void *buf)

int	isamc_read_item (ISAMC_PP pp, char **dst)

zint	isamc_pp_num (ISAMC_PP pp)

Macro Definition Documentation

◆ ISAMC_FREELIST_CHUNK

#define ISAMC_FREELIST_CHUNK 0

Definition at line 41 of file isamc.c.

◆ SMALL_TEST

#define SMALL_TEST 0

Definition at line 43 of file isamc.c.

Function Documentation

◆ alloc_block()

static zint alloc_block	(	ISAMC	is,
		int	cat
	)

static

Definition at line 365 of file isamc.c.

References ISAMC_file_s::bf, bf_read(), ISAMC_s::files, ISAMC_head::freelist, ISAMC_file_s::head, ISAMC_file_s::head_is_dirty, ISAMC_head::lastblock, and ISAMC_file_s::no_allocated.

Referenced by isamc_alloc_block().

◆ flush_block()

static void flush_block	(	ISAMC	is,
		int	cat
	)

static

Definition at line 361 of file isamc.c.

Referenced by isamc_close().

◆ init_fc()

static void init_fc	(	ISAMC	is,
		int	cat
	)

static

Definition at line 434 of file isamc.c.

References ISAMC_file_s::fc_list, ISAMC_file_s::fc_max, and ISAMC_s::files.

Referenced by isamc_open().

◆ isamc_alloc_block()

zint isamc_alloc_block	(	ISAMC	is,
		int	cat
	)

Definition at line 394 of file isamc.c.

References alloc_block(), ISAMC_M_s::debug, ISAMC_file_s::fc_list, ISAMC_file_s::fc_max, ISAMC_s::files, ISAMC_s::method, and ZINT_FORMAT.

Referenced by flush_blocks().

◆ isamc_block_size()

int isamc_block_size	(	ISAMC	is,
		int	type
	)

Definition at line 179 of file isamc.c.

References ISAMC_filecat_s::bsize, ISAMC_M_s::filecat, ISAMC_s::method, and ISAMC_s::no_files.

Referenced by zebra_register_statistics().

◆ isamc_block_used()

zint isamc_block_used	(	ISAMC	is,
		int	type
	)

Definition at line 172 of file isamc.c.

References ISAMC_s::files, ISAMC_file_s::head, ISAMC_head::lastblock, and ISAMC_s::no_files.

Referenced by zebra_register_statistics().

◆ isamc_close()

int isamc_close ( ISAMC is )

◆ isamc_getmethod()

void isamc_getmethod ( ISAMC_M * m )

Definition at line 45 of file isamc.c.

References ISAMC_M_s::codec, ISAMC_M_s::compare_item, ISAMC_M_s::debug, ISAM_CODEC::decode, ISAM_CODEC::encode, ISAMC_M_s::filecat, ISAMC_M_s::log_item, ISAMC_M_s::max_blocks_mem, ISAM_CODEC::reset, ISAM_CODEC::start, and ISAM_CODEC::stop.

Referenced by key_isamc_m().

◆ isamc_open()

ISAMC isamc_open	(	BFiles	bfs,
		const char *	name,
		int	writeflag,
		ISAMC_M *	method
	)

Definition at line 77 of file isamc.c.

References ISAMC_file_s::alloc_buf, ISAMC_file_s::alloc_entries_max, ISAMC_file_s::alloc_entries_num, ISAMC_file_s::bf, bf_open(), bf_read(), ISAMC_filecat_s::bsize, ISAMC_M_s::debug, ISAMC_M_s::filecat, FILENAME_MAX, ISAMC_s::files, ISAMC_head::freelist, ISAMC_file_s::head, ISAMC_file_s::head_is_dirty, ISAMC_filecat_s::ifill, init_fc(), isamc_close(), ISAMC_head::lastblock, ISAMC_M_s::max_blocks_mem, ISAMC_s::max_cat, ISAMC_filecat_s::mblocks, ISAMC_s::merge_buf, ISAMC_s::method, ISAMC_filecat_s::mfill, ISAMC_file_s::no_allocated, ISAMC_file_s::no_backward, ISAMC_s::no_files, ISAMC_file_s::no_forward, ISAMC_file_s::no_next, ISAMC_file_s::no_prev, ISAMC_file_s::no_reads, ISAMC_file_s::no_released, ISAMC_file_s::no_remap, ISAMC_file_s::no_skip_writes, ISAMC_file_s::no_writes, ISAMC_file_s::sum_backward, and ISAMC_file_s::sum_forward.

Referenced by zebra_register_open().

◆ isamc_pp_close()

void isamc_pp_close ( ISAMC_PP pp )

Definition at line 458 of file isamc.c.

References ISAMC_PP_s::buf, ISAMC_M_s::codec, ISAMC_PP_s::decodeClientData, ISAMC_PP_s::is, ISAMC_s::method, and ISAM_CODEC::stop.

Referenced by inv_stat_handle(), isamc_merge(), r_close(), and rset_trunc_r().

◆ isamc_pp_num()

zint isamc_pp_num ( ISAMC_PP pp )

Definition at line 587 of file isamc.c.

References ISAMC_PP_s::numKeys.

Referenced by inv_stat_handle(), and isamc_merge().

◆ isamc_pp_open()

ISAMC_PP isamc_pp_open	(	ISAMC	is,
		ISAM_P	ipos
	)

Definition at line 467 of file isamc.c.

References ISAMC_filecat_s::bsize, ISAMC_PP_s::buf, ISAMC_PP_s::cat, ISAMC_M_s::codec, ISAMC_M_s::debug, ISAMC_PP_s::decodeClientData, ISAMC_PP_s::deleteFlag, ISAMC_M_s::filecat, ISAMC_PP_s::is, isamc_block, ISAMC_BLOCK_OFFSET_1, isamc_read_block(), isamc_type, ISAMC_s::method, ISAMC_PP_s::next, ISAMC_PP_s::numKeys, ISAMC_PP_s::offset, ISAMC_PP_s::pos, ISAMC_PP_s::size, ISAM_CODEC::start, and ZINT_FORMAT.

Referenced by inv_stat_handle(), isamc_merge(), and rset_trunc_r().

◆ isamc_pp_read()

int isamc_pp_read	(	ISAMC_PP	pp,
		void *	buf
	)

Definition at line 511 of file isamc.c.

References isamc_read_item().

Referenced by inv_stat_handle(), r_read(), and rset_trunc_r().

◆ isamc_read_block()

int isamc_read_block	(	ISAMC	is,
		int	cat,
		zint	pos,
		char *	dst
	)

Definition at line 238 of file isamc.c.

References ISAMC_file_s::bf, bf_read(), ISAMC_s::files, and ISAMC_file_s::no_reads.

Referenced by isamc_pp_open(), and isamc_read_item().

◆ isamc_read_item()

int isamc_read_item	(	ISAMC_PP	pp,
		char **	dst
	)

◆ isamc_release_block()

void isamc_release_block	(	ISAMC	is,
		int	cat,
		zint	pos
	)

Definition at line 417 of file isamc.c.

References ISAMC_M_s::debug, ISAMC_file_s::fc_list, ISAMC_file_s::fc_max, ISAMC_s::files, ISAMC_s::method, release_block(), and ZINT_FORMAT.

Referenced by isamc_merge(), and isamc_read_item().

◆ isamc_write_block()

int isamc_write_block	(	ISAMC	is,
		int	cat,
		zint	pos,
		char *	src
	)

Definition at line 244 of file isamc.c.

References ISAMC_file_s::bf, bf_write(), ISAMC_M_s::debug, ISAMC_s::files, ISAMC_s::method, ISAMC_file_s::no_writes, and ZINT_FORMAT.

Referenced by flush_blocks(), and isamc_write_dblock().

◆ isamc_write_dblock()

int isamc_write_dblock	(	ISAMC	is,
		int	cat,
		zint	pos,
		char *	src,
		zint	nextpos,
		int	offset
	)

Definition at line 252 of file isamc.c.

References ISAMC_M_s::debug, ISAMC_BLOCK_OFFSET_N, isamc_write_block(), ISAMC_s::method, and ZINT_FORMAT.

◆ release_block()

static void release_block	(	ISAMC	is,
		int	cat,
		zint	pos
	)

static

Definition at line 382 of file isamc.c.

References ISAMC_file_s::bf, bf_write(), ISAMC_s::files, ISAMC_head::freelist, ISAMC_file_s::head, ISAMC_file_s::head_is_dirty, and ISAMC_file_s::no_released.

Referenced by isamc_release_block(), and release_fc().

◆ release_fc()

static void release_fc	(	ISAMC	is,
		int	cat
	)

static

Definition at line 445 of file isamc.c.

References ISAMC_file_s::fc_list, ISAMC_file_s::fc_max, ISAMC_s::files, and release_block().

Referenced by isamc_close().