openldap/servers/slapd/back-bdb/config.c
2005-01-01 20:49:32 +00:00

246 lines
6.7 KiB
C

/* config.c - bdb backend configuration file routine */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2000-2005 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "back-bdb.h"
#ifdef DB_DIRTY_READ
# define SLAP_BDB_ALLOW_DIRTY_READ
#endif
int
bdb_db_config(
BackendDB *be,
const char *fname,
int lineno,
int argc,
char **argv )
{
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
if ( bdb == NULL ) {
fprintf( stderr, "%s: line %d: "
"bdb database info is null!\n",
fname, lineno );
return 1;
}
/* directory is the DB_HOME */
if ( strcasecmp( argv[0], "directory" ) == 0 ) {
if ( argc < 2 ) {
fprintf( stderr, "%s: line %d: "
"missing dir in \"directory <dir>\" line\n",
fname, lineno );
return 1;
}
if ( bdb->bi_dbenv_home ) {
free( bdb->bi_dbenv_home );
}
bdb->bi_dbenv_home = ch_strdup( argv[1] );
#ifdef SLAP_BDB_ALLOW_DIRTY_READ
} else if ( strcasecmp( argv[0], "dirtyread" ) == 0 ) {
bdb->bi_db_opflags |= DB_DIRTY_READ;
#endif
/* transaction logging configuration */
} else if ( strcasecmp( argv[0], "dbnosync" ) == 0 ) {
bdb->bi_dbenv_xflags |= DB_TXN_NOSYNC;
/* slapadd/slapindex logging configuration */
} else if ( strcasecmp( argv[0], "fasttool" ) == 0 ) {
if ( slapMode & SLAP_TOOL_MODE )
#if DB_VERSION_FULL >= 0x04030015
bdb->bi_dbenv_xflags |= DB_LOG_INMEMORY;
#else
bdb->bi_dbenv_xflags |= DB_TXN_NOT_DURABLE;
#endif
/* slapindex algorithm tuning */
} else if ( strcasecmp( argv[0], "linearindex" ) == 0 ) {
bdb->bi_linear_index = 1;
/* transaction checkpoint configuration */
} else if ( strcasecmp( argv[0], "checkpoint" ) == 0 ) {
if ( argc < 3 ) {
fprintf( stderr, "%s: line %d: "
"missing parameters in \"checkpoint <kbyte> <min>\" line\n",
fname, lineno );
return 1;
}
bdb->bi_txn_cp = 1;
bdb->bi_txn_cp_kbyte = strtol( argv[1], NULL, 0 );
bdb->bi_txn_cp_min = strtol( argv[2], NULL, 0 );
/* lock detect configuration */
} else if ( strcasecmp( argv[0], "lockdetect" ) == 0 ) {
if ( argc < 2 ) {
fprintf( stderr, "%s: line %d: "
"missing parameters in \"lockDetect <policy>\" line\n",
fname, lineno );
return 1;
}
if( strcasecmp( argv[1], "default" ) == 0 ) {
bdb->bi_lock_detect = DB_LOCK_DEFAULT;
} else if( strcasecmp( argv[1], "oldest" ) == 0 ) {
bdb->bi_lock_detect = DB_LOCK_OLDEST;
} else if( strcasecmp( argv[1], "random" ) == 0 ) {
bdb->bi_lock_detect = DB_LOCK_RANDOM;
} else if( strcasecmp( argv[1], "youngest" ) == 0 ) {
bdb->bi_lock_detect = DB_LOCK_YOUNGEST;
} else if( strcasecmp( argv[1], "fewest" ) == 0 ) {
bdb->bi_lock_detect = DB_LOCK_MINLOCKS;
} else {
fprintf( stderr, "%s: line %d: "
"bad policy (%s) in \"lockDetect <policy>\" line\n",
fname, lineno, argv[1] );
return 1;
}
/* mode with which to create new database files */
} else if ( strcasecmp( argv[0], "mode" ) == 0 ) {
if ( argc < 2 ) {
fprintf( stderr, "%s: line %d: "
"missing mode in \"mode <mode>\" line\n",
fname, lineno );
return 1;
}
bdb->bi_dbenv_mode = strtol( argv[1], NULL, 0 );
/* attribute to index */
} else if ( strcasecmp( argv[0], "index" ) == 0 ) {
int rc;
if ( argc < 2 ) {
fprintf( stderr, "%s: line %d: "
"missing attr in \"index <attr> [pres,eq,approx,sub]\" line\n",
fname, lineno );
return 1;
} else if ( argc > 3 ) {
fprintf( stderr, "%s: line %d: "
"extra junk after \"index <attr> [pres,eq,approx,sub]\" "
"line (ignored)\n",
fname, lineno );
}
rc = bdb_attr_index_config( bdb, fname, lineno, argc - 1, &argv[1] );
if( rc != LDAP_SUCCESS ) return 1;
/* unique key for shared memory regions */
} else if ( strcasecmp( argv[0], "shm_key" ) == 0 ) {
if ( argc < 2 ) {
fprintf( stderr,
"%s: line %d: missing key in \"shm_key <key>\" line\n",
fname, lineno );
return( 1 );
}
bdb->bi_shm_key = atoi( argv[1] );
/* size of the cache in entries */
} else if ( strcasecmp( argv[0], "cachesize" ) == 0 ) {
if ( argc < 2 ) {
fprintf( stderr,
"%s: line %d: missing size in \"cachesize <size>\" line\n",
fname, lineno );
return( 1 );
}
bdb->bi_cache.c_maxsize = atoi( argv[1] );
/* depth of search stack cache in units of (IDL)s */
} else if ( strcasecmp( argv[0], "searchstack" ) == 0 ) {
if ( argc < 2 ) {
fprintf( stderr,
"%s: line %d: missing depth in \"searchstack <depth>\" line\n",
fname, lineno );
return( 1 );
}
bdb->bi_search_stack_depth = atoi( argv[1] );
if ( bdb->bi_search_stack_depth < MINIMUM_SEARCH_STACK_DEPTH ) {
fprintf( stderr,
"%s: line %d: depth %d too small, using %d\n",
fname, lineno, bdb->bi_search_stack_depth,
MINIMUM_SEARCH_STACK_DEPTH );
bdb->bi_search_stack_depth = MINIMUM_SEARCH_STACK_DEPTH;
}
/* size of the IDL cache in entries */
} else if ( strcasecmp( argv[0], "idlcachesize" ) == 0 ) {
if ( argc < 2 ) {
fprintf( stderr,
"%s: line %d: missing size in \"idlcachesize <size>\" line\n",
fname, lineno );
return( 1 );
}
if ( !( slapMode & SLAP_TOOL_MODE ) )
bdb->bi_idl_cache_max_size = atoi( argv[1] );
#ifdef BDB_PSEARCH
} else if ( strcasecmp( argv[0], "sessionlog" ) == 0 ) {
int se_id = 0, se_size = 0;
struct slap_session_entry *sent;
if ( argc < 3 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: missing arguments in \"sessionlog <id> <size>\""
" line\n", fname, lineno, 0 );
return( 1 );
}
se_id = atoi( argv[1] );
if ( se_id < 0 || se_id > 999 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: session log id %d is out of range [0..999]\n",
fname, lineno , se_id );
return( 1 );
}
se_size = atoi( argv[2] );
if ( se_size < 0 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: session log size %d is negative\n",
fname, lineno , se_size );
return( 1 );
}
LDAP_LIST_FOREACH( sent, &bdb->bi_session_list, se_link ) {
if ( sent->se_id == se_id ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: session %d already exists\n",
fname, lineno , se_id );
return( 1 );
}
}
sent = (struct slap_session_entry *) ch_calloc( 1,
sizeof( struct slap_session_entry ));
sent->se_id = se_id;
sent->se_size = se_size;
LDAP_LIST_INSERT_HEAD( &bdb->bi_session_list, sent, se_link );
#endif /* BDB_PSEARCH */
/* anything else */
} else {
return SLAP_CONF_UNKNOWN;
}
return 0;
}