1 /* init.c - initialize bdb backend */
4 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/string.h>
16 static struct bdbi_database {
21 } bdbi_databases[BDB_INDICES] = {
22 { "nextid" BDB_SUFFIX, "nextid", DB_BTREE, 0 },
23 { "dn2entry" BDB_SUFFIX, "dn2entry", DB_BTREE, 0 },
24 { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
29 bdb_destroy( BackendInfo *bi )
35 bdb_open( BackendInfo *bi )
37 /* initialize the underlying database system */
38 Debug( LDAP_DEBUG_TRACE, "bdb_open: initialize BDB backend\n",
45 bdb_close( BackendInfo *bi )
47 /* terminate the underlying database system */
53 bdb_db_init( BackendDB *be )
57 Debug( LDAP_DEBUG_ANY,
58 "bdb_db_init: Initializing BDB database\n",
61 /* allocate backend-database-specific stuff */
62 bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
64 /* DBEnv parameters */
65 bdb->bi_dbenv_home = ch_strdup( BDB_DBENV_HOME );
66 bdb->bi_dbenv_xflags = 0;
67 bdb->bi_dbenv_mode = DEFAULT_MODE;
74 bdb_db_open( BackendDB *be )
77 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
80 Debug( LDAP_DEBUG_ARGS,
82 be->be_suffix[0], 0, 0 );
84 /* we should check existance of dbenv_home and db_directory */
86 rc = db_env_create( &bdb->bi_dbenv, 0 );
88 Debug( LDAP_DEBUG_ANY,
89 "bdb_db_open: db_env_create failed: %s (%d)\n",
90 db_strerror(rc), rc, 0 );
94 flags = DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN |
95 DB_CREATE | DB_RECOVER | DB_THREAD;
97 #ifdef SLAPD_BDB_PRIVATE
100 flags |= DB_INIT_MPOOL;
103 bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0] );
104 bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
108 char dir[MAXPATHLEN];
109 size_t len = strlen( bdb->bi_dbenv_home );
111 strcpy( dir, bdb->bi_dbenv_home );
112 strcat( &dir[len], BDB_TMP_SUBDIR );
114 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
116 Debug( LDAP_DEBUG_ANY,
117 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
118 dir, db_strerror(rc), rc );
122 strcat( &dir[len], BDB_LG_SUBDIR );
124 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
126 Debug( LDAP_DEBUG_ANY,
127 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
128 dir, db_strerror(rc), rc );
132 strcat( &dir[len], BDB_DATA_SUBDIR );
134 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
136 Debug( LDAP_DEBUG_ANY,
137 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
138 dir, db_strerror(rc), rc );
144 Debug( LDAP_DEBUG_TRACE,
145 "bdb_db_open: dbenv_open(%s)\n",
146 bdb->bi_dbenv_home, 0, 0);
148 rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
150 flags | bdb->bi_dbenv_xflags,
151 bdb->bi_dbenv_mode );
153 Debug( LDAP_DEBUG_ANY,
154 "bdb_db_open: dbenv_open failed: %s (%d)\n",
155 db_strerror(rc), rc, 0 );
159 flags = DB_THREAD | DB_CREATE;
161 bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
162 BDB_INDICES * sizeof(struct bdb_db_info *) );
164 /* open (and create) main database */
165 for( i = 0; i < BDB_INDICES; i++ ) {
166 struct bdb_db_info *db;
168 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
170 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
172 Debug( LDAP_DEBUG_ANY,
173 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
174 bdb->bi_dbenv_home, db_strerror(rc), rc );
178 rc = db->bdi_db->open( db->bdi_db,
179 bdbi_databases[i].file,
180 bdbi_databases[i].name,
181 bdbi_databases[i].type,
182 bdbi_databases[i].flags | flags,
183 bdb->bi_dbenv_mode );
186 Debug( LDAP_DEBUG_ANY,
187 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
188 bdb->bi_dbenv_home, db_strerror(rc), rc );
192 bdb->bi_databases[i] = db;
195 /* <insert> open (and create) index databases */
202 bdb_db_close( BackendDB *be )
205 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
207 /* force a checkpoint */
208 rc = txn_checkpoint( bdb->bi_dbenv, 0, 0, DB_FORCE );
210 Debug( LDAP_DEBUG_ANY,
211 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
212 db_strerror(rc), rc, 0 );
216 while( bdb->bi_ndatabases-- ) {
217 rc = bdb->bi_databases[bdb->bi_ndatabases]->bdi_db->close(
218 bdb->bi_databases[bdb->bi_ndatabases]->bdi_db, 0 );
225 bdb_db_destroy( BackendDB *be )
228 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
230 /* close db environment */
231 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
232 bdb->bi_dbenv = NULL;
234 Debug( LDAP_DEBUG_ANY,
235 "bdb_db_destroy: close failed: %s (%d)\n",
236 db_strerror(rc), rc, 0 );
243 #ifdef SLAPD_BDB_DYNAMIC
244 int back_bdb_LTX_init_module( int argc, char *argv[] ) {
247 memset( &bi, '\0', sizeof(bi) );
249 bi.bi_init = bdb_initialize;
254 #endif /* SLAPD_BDB_DYNAMIC */
261 static char *controls[] = {
262 LDAP_CONTROL_MANAGEDSAIT,
266 { /* version check */
267 int major, minor, patch;
268 char *version = db_version( &major, &minor, &patch );
270 if( major != DB_VERSION_MAJOR ||
271 minor != DB_VERSION_MINOR ||
272 patch < DB_VERSION_PATCH )
274 Debug( LDAP_DEBUG_ANY,
275 "bi_back_initialize: version mismatch\n"
276 "\texpected: " DB_VERSION_STRING "\n"
277 "\tgot: %s \n", version, 0, 0 );
280 Debug( LDAP_DEBUG_ANY, "bdb_initialize: %s\n",
285 db_env_set_func_malloc( ch_malloc );
286 db_env_set_func_realloc( ch_realloc );
287 db_env_set_func_free( ch_free );
289 db_env_set_func_yield( ldap_pvt_thread_yield );
291 bi->bi_controls = controls;
298 bi->bi_db_init = bdb_db_init;
299 bi->bi_db_config = bdb_db_config;
300 bi->bi_db_open = bdb_db_open;
301 bi->bi_db_close = bdb_db_close;
302 bi->bi_db_destroy = bdb_db_destroy;
304 bi->bi_op_add = bdb_add;
305 bi->bi_op_bind = bdb_bind;
306 bi->bi_op_compare = bdb_compare;
307 bi->bi_op_delete = bdb_delete;
308 bi->bi_op_modify = bdb_modify;
309 bi->bi_op_modrdn = bdb_modrdn;
310 bi->bi_op_search = bdb_search;
313 bi->bi_op_unbind = bdb_unbind;
314 bi->bi_op_abandon = bdb_abandon;
316 bi->bi_extended = bdb_extended;
318 bi->bi_acl_group = bdb_group;
319 bi->bi_acl_attribute = bdb_attribute;
321 bi->bi_chk_referrals = bdb_referrals;
324 bi->bi_entry_release_rw = 0;
327 * hooks for slap tools
329 bi->bi_tool_entry_open = bdb_tool_entry_open;
330 bi->bi_tool_entry_close = bdb_tool_entry_close;
331 bi->bi_tool_entry_first = bdb_tool_entry_next;
332 bi->bi_tool_entry_next = bdb_tool_entry_next;
333 bi->bi_tool_entry_get = bdb_tool_entry_get;
334 bi->bi_tool_entry_put = bdb_tool_entry_put;
335 bi->bi_tool_entry_reindex = 0;
336 bi->bi_tool_sync = 0;
338 bi->bi_connection_init = 0;
339 bi->bi_connection_destroy = 0;