/* init.c - initialize bdb backend */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2004 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 "external.h"
#include <lutil.h>
-static struct bdbi_database {
+static const struct bdbi_database {
char *file;
char *name;
int type;
int flags;
} bdbi_databases[] = {
{ "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
-#ifdef BDB_HIER
- { "id2parent" BDB_SUFFIX, "id2parent", DB_BTREE, 0 },
-#else
{ "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
-#endif
{ NULL, NULL, 0, 0 }
};
-struct berval bdb_uuid = { 0, NULL };
+struct berval bdb_uuid = BER_BVNULL;
typedef void * db_malloc(size_t);
typedef void * db_realloc(void *, size_t);
LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_init", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "bdb_db_init: Initializing BDB database\n",
- 0, 0, 0 );
-#endif
-
- /* indicate system schema supported */
- be->be_flags |=
-#ifdef BDB_SUBENTRIES
- SLAP_BFLAG_SUBENTRIES |
+ "bdb_db_init: Initializing %s database\n",
+ be->bd_info->bi_type, 0, 0 );
#endif
-#ifdef BDB_ALIASES
- SLAP_BFLAG_ALIASES |
-#endif
- SLAP_BFLAG_REFERRALS;
/* allocate backend-database-specific stuff */
bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
bdb->bi_search_stack = NULL;
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
- LDAP_LIST_INIT (&bdb->psearch_list);
-#endif
+ LDAP_LIST_INIT (&bdb->bi_psearch_list);
ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
+ ldap_pvt_thread_rdwr_init ( &bdb->bi_pslist_rwlock );
ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
+ ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
-#ifdef BDB_HIER
- ldap_pvt_thread_rdwr_init( &bdb->bi_tree_rdwr );
-#endif
be->be_private = bdb;
bdb_bt_compare(
DB *db,
const DBT *usrkey,
- const DBT *curkey
-)
+ const DBT *curkey )
{
unsigned char *u, *c;
int i, x;
if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
#endif
+ /* If a key was set, use shared memory for the BDB environment */
+ if ( bdb->bi_shm_key ) {
+ bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
+ flags |= DB_SYSTEM_MEM;
+ }
+
bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
-#ifdef SLAP_IDL_CACHE
+ /* One long-lived TXN per thread, two TXNs per write op */
+ bdb->bi_dbenv->set_tx_max( bdb->bi_dbenv, connection_pool_max * 3 );
+
if ( bdb->bi_idl_cache_max_size ) {
- ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_mutex );
+ bdb->bi_idl_tree = NULL;
+ ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
+ ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
bdb->bi_idl_cache_size = 0;
}
-#endif
#ifdef BDB_SUBDIRS
{
}
}
- flags = DB_THREAD | DB_CREATE | bdb->bi_db_opflags;
+ flags = DB_THREAD | bdb->bi_db_opflags;
bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
BDB_INDICES * sizeof(struct bdb_db_info *) );
bdb_bt_compare );
rc = db->bdi_db->set_pagesize( db->bdi_db,
BDB_ID2ENTRY_PAGESIZE );
+ if ( slapMode & SLAP_TOOL_READMAIN ) {
+ flags |= DB_RDONLY;
+ } else {
+ flags |= DB_CREATE;
+ }
} else {
-#ifdef BDB_HIER
- rc = db->bdi_db->set_bt_compare( db->bdi_db,
- bdb_bt_compare );
-#else
rc = db->bdi_db->set_flags( db->bdi_db,
DB_DUP | DB_DUPSORT );
+#ifndef BDB_HIER
rc = db->bdi_db->set_dup_compare( db->bdi_db,
bdb_bt_compare );
+ if ( slapMode & SLAP_TOOL_READONLY ) {
+ flags |= DB_RDONLY;
+ } else {
+ flags |= DB_CREATE;
+ }
+#else
+ rc = db->bdi_db->set_dup_compare( db->bdi_db,
+ bdb_dup_compare );
+ rc = db->bdi_db->set_bt_compare( db->bdi_db,
+ bdb_bt_compare );
+ if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
+ flags |= DB_RDONLY;
+ } else {
+ flags |= DB_CREATE;
+ }
#endif
rc = db->bdi_db->set_pagesize( db->bdi_db,
BDB_PAGESIZE );
#ifdef HAVE_EBCDIC
strcpy( path, bdbi_databases[i].file );
__atoe( path );
- rc = DB_OPEN( db->bdi_db, NULL,
+ rc = DB_OPEN( db->bdi_db,
path,
/* bdbi_databases[i].name, */ NULL,
bdbi_databases[i].type,
- bdbi_databases[i].flags | flags | DB_AUTO_COMMIT,
+ bdbi_databases[i].flags | flags,
bdb->bi_dbenv_mode );
#else
- rc = DB_OPEN( db->bdi_db, NULL,
+ rc = DB_OPEN( db->bdi_db,
bdbi_databases[i].file,
/* bdbi_databases[i].name, */ NULL,
bdbi_databases[i].type,
- bdbi_databases[i].flags | flags | DB_AUTO_COMMIT,
+ bdbi_databases[i].flags | flags,
bdb->bi_dbenv_mode );
#endif
return rc;
}
+ flags &= ~(DB_CREATE | DB_RDONLY);
db->bdi_name = bdbi_databases[i].name;
bdb->bi_databases[i] = db;
}
return rc;
}
+ XLOCK_ID(bdb->bi_dbenv, &bdb->bi_cache.c_locker);
+
/* <insert> open (and create) index databases */
-#ifdef BDB_HIER
- rc = bdb_build_tree( be );
-#endif
return 0;
}
int rc;
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
struct bdb_db_info *db;
-#ifdef SLAP_IDL_CACHE
bdb_idl_cache_entry_t *entry, *next_entry;
-#endif
while( bdb->bi_ndatabases-- ) {
db = bdb->bi_databases[bdb->bi_ndatabases];
bdb_cache_release_all (&bdb->bi_cache);
-#ifdef SLAP_IDL_CACHE
- ldap_pvt_thread_mutex_lock ( &bdb->bi_idl_tree_mutex );
- entry = bdb->bi_idl_lru_head;
- while ( entry != NULL ) {
- next_entry = entry->idl_lru_next;
- avl_delete( &bdb->bi_idl_tree, (caddr_t) entry, bdb_idl_entry_cmp );
- free( entry->idl );
- free( entry->kstr.bv_val );
- free( entry );
- entry = next_entry;
+ if ( bdb->bi_idl_cache_max_size ) {
+ ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
+ avl_free( bdb->bi_idl_tree, NULL );
+ entry = bdb->bi_idl_lru_head;
+ while ( entry != NULL ) {
+ next_entry = entry->idl_lru_next;
+ if ( entry->idl )
+ free( entry->idl );
+ free( entry->kstr.bv_val );
+ free( entry );
+ entry = next_entry;
+ }
+ ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
}
- ldap_pvt_thread_mutex_unlock ( &bdb->bi_idl_tree_mutex );
-#endif
+
+ XLOCK_ID_FREE(bdb->bi_dbenv, bdb->bi_cache.c_locker);
return 0;
}
#endif
}
- bdb_cache_release_all (&bdb->bi_cache);
-
rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
bdb->bi_dbenv = NULL;
if( rc != 0 ) {
if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
-#ifdef BDB_HIER
- ldap_pvt_thread_rdwr_destroy( &bdb->bi_tree_rdwr );
-#endif
ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
+ ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
+ ldap_pvt_thread_rdwr_destroy ( &bdb->bi_pslist_rwlock );
ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
+ if ( bdb->bi_idl_cache_max_size ) {
+ ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
+ ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
+ }
ch_free( bdb );
be->be_private = NULL;
return 0;
}
-#ifdef SLAPD_BDB_DYNAMIC
-int back_bdb_LTX_init_module( int argc, char *argv[] ) {
+#if (SLAPD_BDB == SLAPD_MOD_DYNAMIC && !defined(BDB_HIER)) || \
+ (SLAPD_HDB == SLAPD_MOD_DYNAMIC && defined(BDB_HIER))
+int init_module( int argc, char *argv[] ) {
BackendInfo bi;
memset( &bi, '\0', sizeof(bi) );
+#ifdef BDB_HIER
+ bi.bi_type = "hdb";
+#else
bi.bi_type = "bdb";
+#endif
bi.bi_init = bdb_initialize;
backend_add( &bi );
return 0;
}
-#endif /* SLAPD_BDB_DYNAMIC */
+#endif /* SLAPD_BDB */
int
bdb_initialize(
- BackendInfo *bi
-)
+ BackendInfo *bi )
{
static char *controls[] = {
+ LDAP_CONTROL_ASSERT,
LDAP_CONTROL_MANAGEDSAIT,
LDAP_CONTROL_NOOP,
-#ifdef LDAP_CONTROL_PAGEDRESULTS
LDAP_CONTROL_PAGEDRESULTS,
-#endif
- LDAP_CONTROL_VALUESRETURNFILTER,
#ifdef LDAP_CONTROL_SUBENTRIES
LDAP_CONTROL_SUBENTRIES,
#endif
-#ifdef LDAP_CLIENT_UPDATE
- LDAP_CONTROL_CLIENT_UPDATE,
-#endif
+ LDAP_CONTROL_VALUESRETURNFILTER,
NULL
};
- bi->bi_controls = controls;
-
/* initialize the underlying database system */
#ifdef NEW_LOGGING
LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_initialize\n", 0, 0, 0 );
0, 0, 0 );
#endif
+ bi->bi_flags |=
+ SLAP_BFLAG_INCREMENT |
+#ifdef BDB_SUBENTRIES
+ SLAP_BFLAG_SUBENTRIES |
+#endif
+#ifdef BDB_ALIASES
+ SLAP_BFLAG_ALIASES |
+#endif
+ SLAP_BFLAG_REFERRALS;
+
+ bi->bi_controls = controls;
+
{ /* version check */
int major, minor, patch;
char *version = db_version( &major, &minor, &patch );
{
#ifdef NEW_LOGGING
LDAP_LOG( BACK_BDB, ERR,
- "bdb_db_initialize: version mismatch: "
- "\texpected: %s \tgot: %s\n", DB_VERSION_STRING, version, 0 );
+ "bdb_initialize: BDB library version mismatch:"
+ " expected " DB_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "bdb_initialize: version mismatch\n"
- "\texpected: " DB_VERSION_STRING "\n"
- "\tgot: %s \n", version, 0, 0 );
+ "bdb_initialize: BDB library version mismatch:"
+ " expected " DB_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
#endif
}
bi->bi_op_unbind = 0;
-#ifdef LDAP_CLIENT_UPDATE
bi->bi_op_abandon = bdb_abandon;
bi->bi_op_cancel = bdb_cancel;
-#else
- bi->bi_op_abandon = 0;
- bi->bi_op_cancel = 0;
-#endif
bi->bi_extended = bdb_extended;
bi->bi_tool_entry_put = bdb_tool_entry_put;
bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
bi->bi_tool_sync = 0;
+ bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
+ bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
+ bi->bi_tool_entry_modify = bdb_tool_entry_modify;
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
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