1 /* init.c - initialize bdb2 backend */
11 #include "back-bdb2.h"
15 bdb2i_back_init_private(
21 /* allocate backend-type-specific stuff */
22 bt = (struct ldbtype *) ch_calloc( 1, sizeof(struct ldbtype) );
24 bt->lty_dbhome = DEFAULT_DB_HOME;
25 bt->lty_mpsize = DEFAULT_DBCACHE_SIZE;
26 bt->lty_dbenv = &ldbm_Env;
28 if ( slapMode == SLAP_TIMEDSERVER_MODE )
44 bi->bi_open = bdb2_back_open;
45 bi->bi_config = bdb2_back_config;
46 bi->bi_close = bdb2_back_close;
47 bi->bi_destroy = bdb2_back_destroy;
49 bi->bi_db_init = bdb2_back_db_init;
50 bi->bi_db_config = bdb2_back_db_config;
51 bi->bi_db_open = bdb2_back_db_open;
52 bi->bi_db_close = bdb2_back_db_close;
53 bi->bi_db_destroy = bdb2_back_db_destroy;
55 bi->bi_op_bind = bdb2_back_bind;
56 bi->bi_op_unbind = bdb2_back_unbind;
57 bi->bi_op_search = bdb2_back_search;
58 bi->bi_op_compare = bdb2_back_compare;
59 bi->bi_op_modify = bdb2_back_modify;
60 bi->bi_op_modrdn = bdb2_back_modrdn;
61 bi->bi_op_add = bdb2_back_add;
62 bi->bi_op_delete = bdb2_back_delete;
63 bi->bi_op_abandon = bdb2_back_abandon;
65 #ifdef SLAPD_ACLGROUPS
66 bi->bi_acl_group = bdb2_back_group;
69 ret = bdb2i_back_init_private( bi );
71 Debug( LDAP_DEBUG_TRACE, "bdb2_back_initialize: done (%d).\n", ret, 0, 0 );
89 static int initialized = 0;
92 if ( initialized++ ) {
94 Debug( LDAP_DEBUG_TRACE,
95 "bdb2_back_open: backend already initialized.\n", 0, 0, 0 );
100 /* initialize the underlying database system */
101 rc = bdb2i_back_startup( bi );
113 /* close the underlying database system */
114 rc = bdb2i_back_shutdown( bi );
121 bdb2i_back_db_init_internal(
129 /* allocate backend-database-specific stuff */
130 li = (struct ldbminfo *) ch_calloc( 1, sizeof(struct ldbminfo) );
132 /* arrange to read nextid later (on first request for it) */
133 li->li_nextid = NOID;
134 #if SLAPD_NEXTID_CHUNCK > 1
135 li->li_nextid_wrote = NOID
138 /* default cache size */
139 li->li_cache.c_maxsize = DEFAULT_CACHE_SIZE;
141 /* default database cache size */
142 li->li_dbcachesize = DEFAULT_DBCACHE_SIZE;
144 /* default cache mode is sync on write */
145 li->li_dbcachewsync = 1;
147 /* default file creation mode */
148 li->li_mode = DEFAULT_MODE;
150 /* default database directory */
151 li->li_directory = DEFAULT_DB_DIRECTORY;
153 /* always index dn, id2children, objectclass (used in some searches) */
157 attr_syntax_config( "ldbm dn initialization", 0, 2, argv );
162 bdb2i_attr_index_config( li, "ldbm dn initialization", 0, 3, argv, 1 );
163 argv[ 0 ] = "id2children";
166 bdb2i_attr_index_config( li, "ldbm id2children initialization", 0, 2, argv,
168 argv[ 0 ] = "objectclass";
169 argv[ 1 ] = ch_strdup( "pres,eq" );
171 bdb2i_attr_index_config( li, "ldbm objectclass initialization", 0, 2, argv,
175 /* initialize various mutex locks & condition variables */
176 ldap_pvt_thread_mutex_init( &li->li_root_mutex );
177 ldap_pvt_thread_mutex_init( &li->li_add_mutex );
178 ldap_pvt_thread_mutex_init( &li->li_cache.c_mutex );
179 ldap_pvt_thread_mutex_init( &li->li_nextid_mutex );
180 ldap_pvt_thread_mutex_init( &li->li_dbcache_mutex );
181 ldap_pvt_thread_cond_init( &li->li_dbcache_cv );
183 /* initialize the TP file head */
184 if ( bdb2i_txn_head_init( &li->li_txn_head ) != 0 )
198 struct timeval time1;
201 bdb2i_start_timing( be->be_private, &time1 );
203 ret = bdb2i_back_db_init_internal( be );
204 bdb2i_stop_timing( be->be_private, time1, "DB-INIT", NULL, NULL );
217 rc = bdb2_back_db_startup( be );
223 bdb2_back_db_destroy(
227 /* should free/destroy every in be_private */
228 free( be->be_private );
229 be->be_private = NULL;