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https://git.openldap.org/openldap/openldap.git
synced 2024-12-15 03:01:09 +08:00
35655c056f
Old code applied sync flags to store(), however supported DBMs require such flags to be specified during open(). The new code now applies flags in ldbm_cache_open (which calls ldbm_open). ldbm_cache_close() now calls ldbm_sync(). This will force a updating of on-disk contents after each LDAP operation. The old code either failed to sync the on-disk contents until close or synced on every store. Per LDBM operation syncing *should* be safe enough... real data safety requires transactions. Removed nosync option from BDB2 as it is not compatible with txn support. Also added code to disable DBM level locking as slapd is only process acessing the databases (dbnolocking).
111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
/* config.c - ldbm backend configuration file routine */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include "slap.h"
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#include "back-ldbm.h"
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int
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ldbm_back_db_config(
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Backend *be,
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const char *fname,
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int lineno,
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int argc,
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char **argv
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)
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{
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struct ldbminfo *li = (struct ldbminfo *) be->be_private;
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if ( li == NULL ) {
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fprintf( stderr, "%s: line %d: ldbm database info is null!\n",
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fname, lineno );
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return( 1 );
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}
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/* directory where database files live */
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if ( strcasecmp( argv[0], "directory" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing dir in \"directory <dir>\" line\n",
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fname, lineno );
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return( 1 );
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}
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if ( li->li_directory )
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free( li->li_directory );
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li->li_directory = ch_strdup( argv[1] );
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/* mode with which to create new database files */
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} else if ( strcasecmp( argv[0], "mode" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing mode in \"mode <mode>\" line\n",
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fname, lineno );
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return( 1 );
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}
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li->li_mode = strtol( argv[1], NULL, 0 );
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/* attribute to index */
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} else if ( strcasecmp( argv[0], "index" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing attr in \"index <attr> [pres,eq,approx,sub]\" line\n",
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fname, lineno );
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return( 1 );
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} else if ( argc > 3 ) {
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fprintf( stderr,
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"%s: line %d: extra junk after \"index <attr> [pres,eq,approx,sub]\" line (ignored)\n",
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fname, lineno );
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}
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attr_index_config( li, fname, lineno, argc - 1, &argv[1], 0 );
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/* size of the cache in entries */
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} else if ( strcasecmp( argv[0], "cachesize" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing size in \"cachesize <size>\" line\n",
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fname, lineno );
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return( 1 );
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}
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li->li_cache.c_maxsize = atoi( argv[1] );
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/* size of each dbcache in bytes */
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} else if ( strcasecmp( argv[0], "dbcachesize" ) == 0 ) {
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if ( argc < 2 ) {
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fprintf( stderr,
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"%s: line %d: missing size in \"dbcachesize <size>\" line\n",
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fname, lineno );
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return( 1 );
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}
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li->li_dbcachesize = atoi( argv[1] );
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/* no locking (not safe) */
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} else if ( strcasecmp( argv[0], "dbnolocking" ) == 0 ) {
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li->li_dblocking = 0;
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/* no write sync (not safe) */
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} else if ( ( strcasecmp( argv[0], "dbnosync" ) == 0 )
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|| ( strcasecmp( argv[0], "dbcachenowsync" ) == 0 ) )
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{
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li->li_dbwritesync = 0;
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/* anything else */
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} else {
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fprintf( stderr,
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"%s: line %d: unknown directive \"%s\" in ldbm database definition (ignored)\n",
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fname, lineno, argv[0] );
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}
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return 0;
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}
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