git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/init.c

   1 /* init.c - initialize bdb backend */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11 #include <ac/string.h>
  12 #include <ac/unistd.h>
  13 #include <ac/stdlib.h>
  14
  15 #include <lutil.h>
  16
  17 #include "back-bdb.h"
  18 #include "external.h"
  19
  20 static struct bdbi_database {
  21         char *file;
  22         char *name;
  23         int type;
  24         int flags;
  25 } bdbi_databases[] = {
  26         { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
  27 #ifdef BDB_HIER
  28         { "id2parent" BDB_SUFFIX, "id2parent", DB_BTREE, 0 },
  29 #else
  30         { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
  31 #endif
  32         { NULL, NULL, 0, 0 }
  33 };
  34
  35 struct berval bdb_uuid = { 0, NULL };
  36
  37 typedef void * db_malloc(size_t);
  38 typedef void * db_realloc(void *, size_t);
  39
  40 static int
  41 bdb_open( BackendInfo *bi )
  42 {
  43         return 0;
  44 }
  45
  46 #if 0
  47 static int
  48 bdb_destroy( BackendInfo *bi )
  49 {
  50         return 0;
  51 }
  52
  53 static int
  54 bdb_close( BackendInfo *bi )
  55 {
  56         /* terminate the underlying database system */
  57         return 0;
  58 }
  59 #endif
  60
  61 static int
  62 bdb_db_init( BackendDB *be )
  63 {
  64         struct bdb_info *bdb;
  65
  66 #ifdef NEW_LOGGING
  67         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_init", 0, 0, 0 );
  68 #else
  69         Debug( LDAP_DEBUG_ANY,
  70                 "bdb_db_init: Initializing BDB database\n",
  71                 0, 0, 0 );
  72 #endif
  73
  74         /* indicate system schema supported */
  75         be->be_flags |=
  76 #ifdef BDB_SUBENTRIES
  77                 SLAP_BFLAG_SUBENTRIES |
  78 #endif
  79 #ifdef BDB_ALIASES
  80                 SLAP_BFLAG_ALIASES |
  81 #endif
  82                 SLAP_BFLAG_REFERRALS;
  83
  84         /* allocate backend-database-specific stuff */
  85         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  86
  87         /* DBEnv parameters */
  88         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  89         bdb->bi_dbenv_xflags = 0;
  90         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  91
  92         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  93
  94 #ifndef NO_THREADS
  95 #if 0
  96         bdb->bi_lock_detect = DB_LOCK_NORUN;
  97 #else
  98         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
  99 #endif
 100 #endif
 101
 102         ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
 103         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
 104         ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
 105         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
 106 #ifdef BDB_HIER
 107         ldap_pvt_thread_rdwr_init( &bdb->bi_tree_rdwr );
 108 #endif
 109
 110         be->be_private = bdb;
 111         return 0;
 112 }
 113
 114 #if 0 /* ifndef NO_THREADS */
 115 static void *lock_detect_task( void *arg )
 116 {
 117         struct bdb_info *bdb = (struct bdb_info *) arg;
 118
 119         while( bdb->bi_dbenv != NULL ) {
 120                 int rc;
 121                 int aborted;
 122                 sleep( bdb->bi_lock_detect_seconds );
 123
 124                 rc = LOCK_DETECT( bdb->bi_dbenv, 0,
 125                         bdb->bi_lock_detect, &aborted );
 126
 127                 if( rc != 0 ) {
 128                         break;
 129                 }
 130
 131 #ifdef NEW_LOGGING
 132                 LDAP_LOG( BACK_BDB, ERR, "bdb_db_init: aborted %d locks\n",
 133                         aborted, 0, 0 );
 134 #else
 135                 Debug( LDAP_DEBUG_ANY,
 136                         "bdb_lock_detect: aborted %d locks\n",
 137                         aborted, 0, 0 );
 138 #endif
 139         }
 140
 141         return NULL;
 142 }
 143 #endif
 144
 145 int
 146 bdb_bt_compare(
 147         DB *db,
 148         const DBT *usrkey,
 149         const DBT *curkey
 150 )
 151 {
 152         unsigned char *u, *c;
 153         int i;
 154
 155         u = usrkey->data;
 156         c = curkey->data;
 157
 158 #ifdef WORDS_BIGENDIAN
 159         for( i = 0; i < sizeof(ID); i++)
 160 #else
 161         for( i = sizeof(ID)-1; i >= 0; i--)
 162 #endif
 163         {
 164                 if( u[i] - c[i] )
 165                         return u[i] - c[i];
 166         }
 167         return 0;
 168 }
 169
 170 static int
 171 bdb_db_open( BackendDB *be )
 172 {
 173         int rc, i;
 174         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 175         u_int32_t flags;
 176 #ifdef HAVE_EBCDIC
 177         char path[MAXPATHLEN];
 178 #endif
 179
 180 #ifdef NEW_LOGGING
 181         LDAP_LOG( BACK_BDB, ARGS,
 182                 "bdb_db_open: %s\n", be->be_suffix[0].bv_val, 0, 0 );
 183 #else
 184         Debug( LDAP_DEBUG_ARGS,
 185                 "bdb_db_open: %s\n",
 186                 be->be_suffix[0].bv_val, 0, 0 );
 187 #endif
 188
 189         db_env_set_func_free( ber_memfree );
 190         db_env_set_func_malloc( ber_memalloc );
 191         db_env_set_func_realloc( ber_memrealloc );
 192
 193         /* we should check existance of dbenv_home and db_directory */
 194
 195         rc = db_env_create( &bdb->bi_dbenv, 0 );
 196         if( rc != 0 ) {
 197 #ifdef NEW_LOGGING
 198                 LDAP_LOG( BACK_BDB, ERR,
 199                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 200                         db_strerror(rc), rc, 0 );
 201 #else
 202                 Debug( LDAP_DEBUG_ANY,
 203                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 204                         db_strerror(rc), rc, 0 );
 205 #endif
 206                 return rc;
 207         }
 208
 209         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
 210                 | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 211
 212 #if 0
 213         /* Never do automatic recovery, must perform it manually.
 214          * Otherwise restarting with gentlehup will corrupt the
 215          * database.
 216          */
 217         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 218 #endif
 219
 220         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 221         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 222 #ifndef NO_THREADS
 223         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 224 #endif
 225
 226 #ifdef BDB_SUBDIRS
 227         {
 228                 char dir[MAXPATHLEN];
 229                 size_t len = strlen( bdb->bi_dbenv_home );
 230
 231                 strcpy( dir, bdb->bi_dbenv_home );
 232                 strcat( &dir[len], BDB_TMP_SUBDIR );
 233
 234                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 235                 if( rc != 0 ) {
 236 #ifdef NEW_LOGGING
 237                         LDAP_LOG( BACK_BDB, ERR,
 238                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 239                                 dir, db_strerror(rc), rc );
 240 #else
 241                         Debug( LDAP_DEBUG_ANY,
 242                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 243                                 dir, db_strerror(rc), rc );
 244 #endif
 245                         return rc;
 246                 }
 247
 248                 strcat( &dir[len], BDB_LG_SUBDIR );
 249
 250                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 251                 if( rc != 0 ) {
 252 #ifdef NEW_LOGGING
 253                         LDAP_LOG( BACK_BDB, ERR,
 254                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 255                                 dir, db_strerror(rc), rc );
 256 #else
 257                         Debug( LDAP_DEBUG_ANY,
 258                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 259                                 dir, db_strerror(rc), rc );
 260 #endif
 261                         return rc;
 262                 }
 263
 264                 strcat( &dir[len], BDB_DATA_SUBDIR );
 265
 266                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 267                 if( rc != 0 ) {
 268 #ifdef NEW_LOGGING
 269                         LDAP_LOG( BACK_BDB, ERR,
 270                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 271                                 dir, db_strerror(rc), rc );
 272 #else
 273                         Debug( LDAP_DEBUG_ANY,
 274                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 275                                 dir, db_strerror(rc), rc );
 276 #endif
 277                         return rc;
 278                 }
 279         }
 280 #endif
 281
 282 #ifdef NEW_LOGGING
 283         LDAP_LOG( BACK_BDB, DETAIL1,
 284                 "bdb_db_open: dbenv_open %s\n", bdb->bi_dbenv_home, 0, 0 );
 285 #else
 286         Debug( LDAP_DEBUG_TRACE,
 287                 "bdb_db_open: dbenv_open(%s)\n",
 288                 bdb->bi_dbenv_home, 0, 0);
 289 #endif
 290
 291 #ifdef HAVE_EBCDIC
 292         strcpy( path, bdb->bi_dbenv_home );
 293         __atoe( path );
 294         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 295                 path,
 296                 flags,
 297                 bdb->bi_dbenv_mode );
 298 #else
 299         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 300                 bdb->bi_dbenv_home,
 301                 flags,
 302                 bdb->bi_dbenv_mode );
 303 #endif
 304         if( rc != 0 ) {
 305 #ifdef NEW_LOGGING
 306                 LDAP_LOG( BACK_BDB, ERR,
 307                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 308                         db_strerror(rc), rc, 0 );
 309 #else
 310                 Debug( LDAP_DEBUG_ANY,
 311                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 312                         db_strerror(rc), rc, 0 );
 313 #endif
 314                 return rc;
 315         }
 316
 317         if( bdb->bi_dbenv_xflags != 0 ) {
 318                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 319                         bdb->bi_dbenv_xflags, 1);
 320                 if( rc != 0 ) {
 321 #ifdef NEW_LOGGING
 322                         LDAP_LOG( BACK_BDB, ERR,
 323                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 324                                 db_strerror(rc), rc, 0 );
 325 #else
 326                         Debug( LDAP_DEBUG_ANY,
 327                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 328                                 db_strerror(rc), rc, 0 );
 329 #endif
 330                         return rc;
 331                 }
 332         }
 333
 334         flags = DB_THREAD | DB_CREATE | bdb->bi_db_opflags;
 335
 336         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 337                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 338
 339         /* open (and create) main database */
 340         for( i = 0; bdbi_databases[i].name; i++ ) {
 341                 struct bdb_db_info *db;
 342
 343                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 344
 345                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 346                 if( rc != 0 ) {
 347 #ifdef NEW_LOGGING
 348                         LDAP_LOG( BACK_BDB, ERR,
 349                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 350                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 351 #else
 352                         Debug( LDAP_DEBUG_ANY,
 353                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 354                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 355 #endif
 356                         return rc;
 357                 }
 358
 359                 if( i == BDB_ID2ENTRY ) {
 360                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 361                                 bdb_bt_compare );
 362                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 363                                 BDB_ID2ENTRY_PAGESIZE );
 364                 } else {
 365 #ifdef BDB_HIER
 366                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 367                                 bdb_bt_compare );
 368 #else
 369                         rc = db->bdi_db->set_flags( db->bdi_db,
 370                                 DB_DUP | DB_DUPSORT );
 371                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 372                                 bdb_bt_compare );
 373 #endif
 374                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 375                                 BDB_PAGESIZE );
 376                 }
 377
 378 #ifdef HAVE_EBCDIC
 379                 strcpy( path, bdbi_databases[i].file );
 380                 __atoe( path );
 381                 rc = DB_OPEN( db->bdi_db,
 382                         path,
 383                 /*      bdbi_databases[i].name, */ NULL,
 384                         bdbi_databases[i].type,
 385                         bdbi_databases[i].flags | flags,
 386                         bdb->bi_dbenv_mode );
 387 #else
 388                 rc = DB_OPEN( db->bdi_db,
 389                         bdbi_databases[i].file,
 390                 /*      bdbi_databases[i].name, */ NULL,
 391                         bdbi_databases[i].type,
 392                         bdbi_databases[i].flags | flags,
 393                         bdb->bi_dbenv_mode );
 394 #endif
 395
 396                 if( rc != 0 ) {
 397 #ifdef NEW_LOGGING
 398                         LDAP_LOG( BACK_BDB, ERR,
 399                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 400                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 401 #else
 402                         Debug( LDAP_DEBUG_ANY,
 403                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 404                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 405 #endif
 406                         return rc;
 407                 }
 408
 409                 db->bdi_name = bdbi_databases[i].name;
 410                 bdb->bi_databases[i] = db;
 411         }
 412
 413         bdb->bi_databases[i] = NULL;
 414         bdb->bi_ndatabases = i;
 415
 416         /* get nextid */
 417         rc = bdb_last_id( be, NULL );
 418         if( rc != 0 ) {
 419 #ifdef NEW_LOGGING
 420                         LDAP_LOG( BACK_BDB, ERR,
 421                                 "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 422                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 423 #else
 424                 Debug( LDAP_DEBUG_ANY,
 425                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 426                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 427 #endif
 428                 return rc;
 429         }
 430
 431         /* <insert> open (and create) index databases */
 432 #ifdef BDB_HIER
 433         rc = bdb_build_tree( be );
 434 #endif
 435
 436 #if 0 /* ifndef NO_THREADS */
 437         if( bdb->bi_lock_detect != DB_LOCK_NORUN ) {
 438                 /* listener as a separate THREAD */
 439                 rc = ldap_pvt_thread_create( &bdb->bi_lock_detect_tid,
 440                         1, lock_detect_task, bdb );
 441         }
 442 #endif
 443         return 0;
 444 }
 445
 446 static int
 447 bdb_db_close( BackendDB *be )
 448 {
 449         int rc;
 450         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 451         struct bdb_db_info *db;
 452
 453         while( bdb->bi_ndatabases-- ) {
 454                 db = bdb->bi_databases[bdb->bi_ndatabases];
 455                 rc = db->bdi_db->close( db->bdi_db, 0 );
 456                 /* Lower numbered names are not strdup'd */
 457                 if( bdb->bi_ndatabases >= BDB_NDB )
 458                         free( db->bdi_name );
 459                 free( db );
 460         }
 461         free( bdb->bi_databases );
 462         bdb_attr_index_destroy( bdb->bi_attrs );
 463
 464         bdb_cache_release_all (&bdb->bi_cache);
 465
 466         return 0;
 467 }
 468
 469 static int
 470 bdb_db_destroy( BackendDB *be )
 471 {
 472         int rc;
 473         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 474
 475         /* close db environment */
 476         if( bdb->bi_dbenv ) {
 477                 /* force a checkpoint */
 478                 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 479                 if( rc != 0 ) {
 480 #ifdef NEW_LOGGING
 481                         LDAP_LOG( BACK_BDB, ERR,
 482                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 483                                 db_strerror(rc), rc, 0 );
 484 #else
 485                         Debug( LDAP_DEBUG_ANY,
 486                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 487                                 db_strerror(rc), rc, 0 );
 488 #endif
 489                 }
 490
 491                 bdb_cache_release_all (&bdb->bi_cache);
 492
 493                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 494                 bdb->bi_dbenv = NULL;
 495                 if( rc != 0 ) {
 496 #ifdef NEW_LOGGING
 497                         LDAP_LOG( BACK_BDB, ERR,
 498                                 "bdb_db_destroy: close failed: %s (%d)\n",
 499                                 db_strerror(rc), rc, 0 );
 500 #else
 501                         Debug( LDAP_DEBUG_ANY,
 502                                 "bdb_db_destroy: close failed: %s (%d)\n",
 503                                 db_strerror(rc), rc, 0 );
 504 #endif
 505                         return rc;
 506                 }
 507         }
 508
 509         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 510
 511 #ifdef BDB_HIER
 512         ldap_pvt_thread_rdwr_destroy( &bdb->bi_tree_rdwr );
 513 #endif
 514         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 515         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 516         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 517         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 518
 519         ch_free( bdb );
 520         be->be_private = NULL;
 521
 522         return 0;
 523 }
 524
 525 #ifdef SLAPD_BDB_DYNAMIC
 526 int back_bdb_LTX_init_module( int argc, char *argv[] ) {
 527         BackendInfo bi;
 528
 529         memset( &bi, '\0', sizeof(bi) );
 530         bi.bi_type = "bdb";
 531         bi.bi_init = bdb_initialize;
 532
 533         backend_add( &bi );
 534         return 0;
 535 }
 536 #endif /* SLAPD_BDB_DYNAMIC */
 537
 538 int
 539 bdb_initialize(
 540         BackendInfo     *bi
 541 )
 542 {
 543         static char *controls[] = {
 544                 LDAP_CONTROL_MANAGEDSAIT,
 545 #ifdef LDAP_CONTROL_SUBENTRIES
 546                 LDAP_CONTROL_SUBENTRIES,
 547 #endif
 548 #ifdef LDAP_CONTROL_NOOP
 549                 LDAP_CONTROL_NOOP,
 550 #endif
 551 #ifdef LDAP_CONTROL_VALUESRETURNFILTER
 552                 LDAP_CONTROL_VALUESRETURNFILTER,
 553 #endif
 554 #ifdef LDAP_CLIENT_UPDATE
 555                 LDAP_CONTROL_CLIENT_UPDATE,
 556 #endif
 557                 NULL
 558         };
 559
 560         bi->bi_controls = controls;
 561
 562         /* initialize the underlying database system */
 563 #ifdef NEW_LOGGING
 564         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_initialize\n", 0, 0, 0 );
 565 #else
 566         Debug( LDAP_DEBUG_TRACE, "bdb_open: initialize BDB backend\n",
 567                 0, 0, 0 );
 568 #endif
 569
 570         {       /* version check */
 571                 int major, minor, patch;
 572                 char *version = db_version( &major, &minor, &patch );
 573 #ifdef HAVE_EBCDIC
 574                 char v2[1024];
 575
 576                 /* All our stdio does an ASCII to EBCDIC conversion on
 577                  * the output. Strings from the BDB library are already
 578                  * in EBCDIC; we have to go back and forth...
 579                  */
 580                 strcpy( v2, version );
 581                 __etoa( v2 );
 582                 version = v2;
 583 #endif
 584
 585                 if( major != DB_VERSION_MAJOR ||
 586                         minor != DB_VERSION_MINOR ||
 587                         patch < DB_VERSION_PATCH )
 588                 {
 589 #ifdef NEW_LOGGING
 590                         LDAP_LOG( BACK_BDB, ERR,
 591                                 "bdb_db_initialize: version mismatch: "
 592                                 "\texpected: %s \tgot: %s\n", DB_VERSION_STRING, version, 0 );
 593 #else
 594                         Debug( LDAP_DEBUG_ANY,
 595                                 "bdb_open: version mismatch\n"
 596                                 "\texpected: " DB_VERSION_STRING "\n"
 597                                 "\tgot: %s \n", version, 0, 0 );
 598 #endif
 599                 }
 600
 601 #ifdef NEW_LOGGING
 602                 LDAP_LOG( BACK_BDB, DETAIL1,
 603                         "bdb_db_initialize: bdb_open: %s\n", version, 0, 0 );
 604 #else
 605                 Debug( LDAP_DEBUG_ANY, "bdb_open: %s\n",
 606                         version, 0, 0 );
 607 #endif
 608         }
 609
 610 #if 0
 611         db_env_set_func_malloc( ch_malloc );
 612         db_env_set_func_realloc( ch_realloc );
 613         db_env_set_func_free( ch_free );
 614 #endif
 615
 616         db_env_set_func_yield( ldap_pvt_thread_yield );
 617
 618         {
 619                 static char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 620
 621                 bdb_uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ));
 622                 bdb_uuid.bv_val = uuidbuf;
 623         }
 624
 625         bi->bi_open = 0;
 626         bi->bi_close = 0;
 627         bi->bi_config = 0;
 628         bi->bi_destroy = 0;
 629
 630         bi->bi_db_init = bdb_db_init;
 631         bi->bi_db_config = bdb_db_config;
 632         bi->bi_db_open = bdb_db_open;
 633         bi->bi_db_close = bdb_db_close;
 634         bi->bi_db_destroy = bdb_db_destroy;
 635
 636         bi->bi_op_add = bdb_add;
 637         bi->bi_op_bind = bdb_bind;
 638         bi->bi_op_compare = bdb_compare;
 639         bi->bi_op_delete = bdb_delete;
 640         bi->bi_op_modify = bdb_modify;
 641         bi->bi_op_modrdn = bdb_modrdn;
 642         bi->bi_op_search = bdb_search;
 643
 644         bi->bi_op_unbind = 0;
 645         bi->bi_op_abandon = 0;
 646
 647         bi->bi_extended = bdb_extended;
 648
 649 #if 1
 650         /*
 651          * these routines (and their callers) are not yet designed
 652          * to work with transaction.  Using them may cause deadlock.
 653          */
 654         bi->bi_acl_group = bdb_group;
 655         bi->bi_acl_attribute = bdb_attribute;
 656 #else
 657         bi->bi_acl_group = 0;
 658         bi->bi_acl_attribute = 0;
 659 #endif
 660
 661         bi->bi_chk_referrals = bdb_referrals;
 662         bi->bi_operational = bdb_operational;
 663         bi->bi_entry_release_rw = bdb_entry_release;
 664
 665         /*
 666          * hooks for slap tools
 667          */
 668         bi->bi_tool_entry_open = bdb_tool_entry_open;
 669         bi->bi_tool_entry_close = bdb_tool_entry_close;
 670         bi->bi_tool_entry_first = bdb_tool_entry_next;
 671         bi->bi_tool_entry_next = bdb_tool_entry_next;
 672         bi->bi_tool_entry_get = bdb_tool_entry_get;
 673         bi->bi_tool_entry_put = bdb_tool_entry_put;
 674         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 675         bi->bi_tool_sync = 0;
 676
 677         bi->bi_connection_init = 0;
 678         bi->bi_connection_destroy = 0;
 679
 680         return 0;
 681 }