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

   1 /* init.c - initialize bdb backend */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21 #include <ac/unistd.h>
  22 #include <ac/stdlib.h>
  23
  24 #include "back-bdb.h"
  25 #include "external.h"
  26 #include <lutil.h>
  27
  28 static const struct bdbi_database {
  29         char *file;
  30         char *name;
  31         int type;
  32         int flags;
  33 } bdbi_databases[] = {
  34         { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
  35         { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
  36         { NULL, NULL, 0, 0 }
  37 };
  38
  39 struct berval bdb_uuid = BER_BVNULL;
  40
  41 typedef void * db_malloc(size_t);
  42 typedef void * db_realloc(void *, size_t);
  43
  44 #if 0
  45 static int
  46 bdb_open( BackendInfo *bi )
  47 {
  48         return 0;
  49 }
  50
  51 static int
  52 bdb_destroy( BackendInfo *bi )
  53 {
  54         return 0;
  55 }
  56
  57 static int
  58 bdb_close( BackendInfo *bi )
  59 {
  60         /* terminate the underlying database system */
  61         return 0;
  62 }
  63 #endif
  64
  65 static int
  66 bdb_db_init( BackendDB *be )
  67 {
  68         struct bdb_info *bdb;
  69
  70 #ifdef NEW_LOGGING
  71         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_init", 0, 0, 0 );
  72 #else
  73         Debug( LDAP_DEBUG_ANY,
  74                 "bdb_db_init: Initializing BDB database\n",
  75                 0, 0, 0 );
  76 #endif
  77
  78         /* allocate backend-database-specific stuff */
  79         bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
  80
  81         /* DBEnv parameters */
  82         bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
  83         bdb->bi_dbenv_xflags = 0;
  84         bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
  85
  86         bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
  87
  88         bdb->bi_lock_detect = DB_LOCK_DEFAULT;
  89         bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
  90         bdb->bi_search_stack = NULL;
  91
  92         LDAP_LIST_INIT (&bdb->bi_psearch_list);
  93
  94         ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
  95         ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
  96         ldap_pvt_thread_rdwr_init ( &bdb->bi_pslist_rwlock );
  97         ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
  98         ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
  99         ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
 100
 101         be->be_private = bdb;
 102
 103         return 0;
 104 }
 105
 106 int
 107 bdb_bt_compare(
 108         DB *db,
 109         const DBT *usrkey,
 110         const DBT *curkey )
 111 {
 112         unsigned char *u, *c;
 113         int i, x;
 114
 115         u = usrkey->data;
 116         c = curkey->data;
 117
 118 #ifdef WORDS_BIGENDIAN
 119         for( i = 0; i < (int)sizeof(ID); i++)
 120 #else
 121         for( i = sizeof(ID)-1; i >= 0; i--)
 122 #endif
 123         {
 124                 x = u[i] - c[i];
 125                 if( x ) return x;
 126         }
 127
 128         return 0;
 129 }
 130
 131 static int
 132 bdb_db_open( BackendDB *be )
 133 {
 134         int rc, i;
 135         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 136         u_int32_t flags;
 137 #ifdef HAVE_EBCDIC
 138         char path[MAXPATHLEN];
 139 #endif
 140
 141 #ifdef NEW_LOGGING
 142         LDAP_LOG( BACK_BDB, ARGS,
 143                 "bdb_db_open: %s\n", be->be_suffix[0].bv_val, 0, 0 );
 144 #else
 145         Debug( LDAP_DEBUG_ARGS,
 146                 "bdb_db_open: %s\n",
 147                 be->be_suffix[0].bv_val, 0, 0 );
 148 #endif
 149
 150 #ifndef BDB_MULTIPLE_SUFFIXES
 151         if ( be->be_suffix[1].bv_val ) {
 152 #ifdef NEW_LOGGING
 153         LDAP_LOG( BACK_BDB, ERR,
 154                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 155 #else
 156         Debug( LDAP_DEBUG_ANY,
 157                 "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
 158 #endif
 159                 return -1;
 160         }
 161 #endif
 162         /* we should check existance of dbenv_home and db_directory */
 163
 164         rc = db_env_create( &bdb->bi_dbenv, 0 );
 165         if( rc != 0 ) {
 166 #ifdef NEW_LOGGING
 167                 LDAP_LOG( BACK_BDB, ERR,
 168                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 169                         db_strerror(rc), rc, 0 );
 170 #else
 171                 Debug( LDAP_DEBUG_ANY,
 172                         "bdb_db_open: db_env_create failed: %s (%d)\n",
 173                         db_strerror(rc), rc, 0 );
 174 #endif
 175                 return rc;
 176         }
 177
 178         flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
 179                 | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
 180
 181 #if 0
 182         /* Never do automatic recovery, must perform it manually.
 183          * Otherwise restarting with gentlehup will corrupt the
 184          * database.
 185          */
 186         if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
 187 #endif
 188
 189         /* If a key was set, use shared memory for the BDB environment */
 190         if ( bdb->bi_shm_key ) {
 191                 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
 192                 flags |= DB_SYSTEM_MEM;
 193         }
 194
 195         bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
 196         bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 197         bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
 198
 199         if ( bdb->bi_idl_cache_max_size ) {
 200                 bdb->bi_idl_tree = NULL;
 201                 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
 202                 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
 203                 bdb->bi_idl_cache_size = 0;
 204         }
 205
 206 #ifdef BDB_SUBDIRS
 207         {
 208                 char dir[MAXPATHLEN], *ptr;
 209
 210                 if (bdb->bi_dbenv_home[0] == '.') {
 211                         /* If home is a relative path, relative subdirs
 212                          * are just concat'd by BDB. We don't want the
 213                          * path to be concat'd twice, e.g.
 214                          * ./test-db/./test-db/tmp
 215                          */
 216                         ptr = dir;
 217                 } else {
 218                         ptr = lutil_strcopy( dir, bdb->bi_dbenv_home );
 219                         *ptr++ = LDAP_DIRSEP[0];
 220 #ifdef HAVE_EBCDIC
 221                         __atoe( dir );
 222 #endif
 223                 }
 224
 225                 strcpy( ptr, BDB_TMP_SUBDIR );
 226 #ifdef HAVE_EBCDIC
 227                 __atoe( ptr );
 228 #endif
 229                 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 230                 if( rc != 0 ) {
 231 #ifdef NEW_LOGGING
 232                         LDAP_LOG( BACK_BDB, ERR,
 233                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 234                                 dir, db_strerror(rc), rc );
 235 #else
 236                         Debug( LDAP_DEBUG_ANY,
 237                                 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
 238                                 dir, db_strerror(rc), rc );
 239 #endif
 240                         return rc;
 241                 }
 242
 243                 strcpy( ptr, BDB_LG_SUBDIR );
 244 #ifdef HAVE_EBCDIC
 245                 __atoe( ptr );
 246 #endif
 247                 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
 248                 if( rc != 0 ) {
 249 #ifdef NEW_LOGGING
 250                         LDAP_LOG( BACK_BDB, ERR,
 251                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 252                                 dir, db_strerror(rc), rc );
 253 #else
 254                         Debug( LDAP_DEBUG_ANY,
 255                                 "bdb_db_open: set_lg_dir(%s) failed: %s (%d)\n",
 256                                 dir, db_strerror(rc), rc );
 257 #endif
 258                         return rc;
 259                 }
 260
 261                 strcpy( ptr, BDB_DATA_SUBDIR );
 262 #ifdef HAVE_EBCDIC
 263                 __atoe( ptr );
 264 #endif
 265                 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
 266                 if( rc != 0 ) {
 267 #ifdef NEW_LOGGING
 268                         LDAP_LOG( BACK_BDB, ERR,
 269                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 270                                 dir, db_strerror(rc), rc );
 271 #else
 272                         Debug( LDAP_DEBUG_ANY,
 273                                 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
 274                                 dir, db_strerror(rc), rc );
 275 #endif
 276                         return rc;
 277                 }
 278         }
 279 #endif
 280
 281 #ifdef NEW_LOGGING
 282         LDAP_LOG( BACK_BDB, DETAIL1,
 283                 "bdb_db_open: dbenv_open %s\n", bdb->bi_dbenv_home, 0, 0 );
 284 #else
 285         Debug( LDAP_DEBUG_TRACE,
 286                 "bdb_db_open: dbenv_open(%s)\n",
 287                 bdb->bi_dbenv_home, 0, 0);
 288 #endif
 289
 290 #ifdef HAVE_EBCDIC
 291         strcpy( path, bdb->bi_dbenv_home );
 292         __atoe( path );
 293         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 294                 path,
 295                 flags,
 296                 bdb->bi_dbenv_mode );
 297 #else
 298         rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 299                 bdb->bi_dbenv_home,
 300                 flags,
 301                 bdb->bi_dbenv_mode );
 302 #endif
 303         if( rc != 0 ) {
 304 #ifdef NEW_LOGGING
 305                 LDAP_LOG( BACK_BDB, ERR,
 306                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 307                         db_strerror(rc), rc, 0 );
 308 #else
 309                 Debug( LDAP_DEBUG_ANY,
 310                         "bdb_db_open: dbenv_open failed: %s (%d)\n",
 311                         db_strerror(rc), rc, 0 );
 312 #endif
 313                 return rc;
 314         }
 315
 316         if( bdb->bi_dbenv_xflags != 0 ) {
 317                 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
 318                         bdb->bi_dbenv_xflags, 1);
 319                 if( rc != 0 ) {
 320 #ifdef NEW_LOGGING
 321                         LDAP_LOG( BACK_BDB, ERR,
 322                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 323                                 db_strerror(rc), rc, 0 );
 324 #else
 325                         Debug( LDAP_DEBUG_ANY,
 326                                 "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
 327                                 db_strerror(rc), rc, 0 );
 328 #endif
 329                         return rc;
 330                 }
 331         }
 332
 333         flags = DB_THREAD | bdb->bi_db_opflags;
 334
 335         bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
 336                 BDB_INDICES * sizeof(struct bdb_db_info *) );
 337
 338         /* open (and create) main database */
 339         for( i = 0; bdbi_databases[i].name; i++ ) {
 340                 struct bdb_db_info *db;
 341
 342                 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
 343
 344                 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
 345                 if( rc != 0 ) {
 346 #ifdef NEW_LOGGING
 347                         LDAP_LOG( BACK_BDB, ERR,
 348                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 349                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 350 #else
 351                         Debug( LDAP_DEBUG_ANY,
 352                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 353                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 354 #endif
 355                         return rc;
 356                 }
 357
 358                 if( i == BDB_ID2ENTRY ) {
 359                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 360                                 bdb_bt_compare );
 361                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 362                                 BDB_ID2ENTRY_PAGESIZE );
 363                         if ( slapMode & SLAP_TOOL_READMAIN ) {
 364                                 flags |= DB_RDONLY;
 365                         } else {
 366                                 flags |= DB_CREATE;
 367                         }
 368                 } else {
 369                         rc = db->bdi_db->set_flags( db->bdi_db,
 370                                 DB_DUP | DB_DUPSORT );
 371 #ifndef BDB_HIER
 372                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 373                                 bdb_bt_compare );
 374                         if ( slapMode & SLAP_TOOL_READONLY ) {
 375                                 flags |= DB_RDONLY;
 376                         } else {
 377                                 flags |= DB_CREATE;
 378                         }
 379 #else
 380                         rc = db->bdi_db->set_dup_compare( db->bdi_db,
 381                                 bdb_dup_compare );
 382                         rc = db->bdi_db->set_bt_compare( db->bdi_db,
 383                                 bdb_bt_compare );
 384                         if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
 385                                 flags |= DB_RDONLY;
 386                         } else {
 387                                 flags |= DB_CREATE;
 388                         }
 389 #endif
 390                         rc = db->bdi_db->set_pagesize( db->bdi_db,
 391                                 BDB_PAGESIZE );
 392                 }
 393
 394 #ifdef HAVE_EBCDIC
 395                 strcpy( path, bdbi_databases[i].file );
 396                 __atoe( path );
 397                 rc = DB_OPEN( db->bdi_db,
 398                         path,
 399                 /*      bdbi_databases[i].name, */ NULL,
 400                         bdbi_databases[i].type,
 401                         bdbi_databases[i].flags | flags,
 402                         bdb->bi_dbenv_mode );
 403 #else
 404                 rc = DB_OPEN( db->bdi_db,
 405                         bdbi_databases[i].file,
 406                 /*      bdbi_databases[i].name, */ NULL,
 407                         bdbi_databases[i].type,
 408                         bdbi_databases[i].flags | flags,
 409                         bdb->bi_dbenv_mode );
 410 #endif
 411
 412                 if( rc != 0 ) {
 413 #ifdef NEW_LOGGING
 414                         LDAP_LOG( BACK_BDB, ERR,
 415                                 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
 416                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 417 #else
 418                         Debug( LDAP_DEBUG_ANY,
 419                                 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
 420                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 421 #endif
 422                         return rc;
 423                 }
 424
 425                 flags &= ~(DB_CREATE | DB_RDONLY);
 426                 db->bdi_name = bdbi_databases[i].name;
 427                 bdb->bi_databases[i] = db;
 428         }
 429
 430         bdb->bi_databases[i] = NULL;
 431         bdb->bi_ndatabases = i;
 432
 433         /* get nextid */
 434         rc = bdb_last_id( be, NULL );
 435         if( rc != 0 ) {
 436 #ifdef NEW_LOGGING
 437                         LDAP_LOG( BACK_BDB, ERR,
 438                                 "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 439                                 bdb->bi_dbenv_home, db_strerror(rc), rc );
 440 #else
 441                 Debug( LDAP_DEBUG_ANY,
 442                         "bdb_db_open: last_id(%s) failed: %s (%d)\n",
 443                         bdb->bi_dbenv_home, db_strerror(rc), rc );
 444 #endif
 445                 return rc;
 446         }
 447
 448         bdb->bi_dbenv->lock_id(bdb->bi_dbenv, &bdb->bi_cache.c_locker);
 449
 450         /* <insert> open (and create) index databases */
 451         return 0;
 452 }
 453
 454 static int
 455 bdb_db_close( BackendDB *be )
 456 {
 457         int rc;
 458         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 459         struct bdb_db_info *db;
 460         bdb_idl_cache_entry_t *entry, *next_entry;
 461
 462         while( bdb->bi_ndatabases-- ) {
 463                 db = bdb->bi_databases[bdb->bi_ndatabases];
 464                 rc = db->bdi_db->close( db->bdi_db, 0 );
 465                 /* Lower numbered names are not strdup'd */
 466                 if( bdb->bi_ndatabases >= BDB_NDB )
 467                         free( db->bdi_name );
 468                 free( db );
 469         }
 470         free( bdb->bi_databases );
 471         bdb_attr_index_destroy( bdb->bi_attrs );
 472
 473         bdb_cache_release_all (&bdb->bi_cache);
 474
 475         if ( bdb->bi_idl_cache_max_size ) {
 476                 ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
 477                 avl_free( bdb->bi_idl_tree, NULL );
 478                 entry = bdb->bi_idl_lru_head;
 479                 while ( entry != NULL ) {
 480                         next_entry = entry->idl_lru_next;
 481                         if ( entry->idl )
 482                                 free( entry->idl );
 483                         free( entry->kstr.bv_val );
 484                         free( entry );
 485                         entry = next_entry;
 486                 }
 487                 ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
 488         }
 489
 490         return 0;
 491 }
 492
 493 static int
 494 bdb_db_destroy( BackendDB *be )
 495 {
 496         int rc;
 497         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 498
 499         /* close db environment */
 500         if( bdb->bi_dbenv ) {
 501                 /* force a checkpoint */
 502                 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
 503                 if( rc != 0 ) {
 504 #ifdef NEW_LOGGING
 505                         LDAP_LOG( BACK_BDB, ERR,
 506                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 507                                 db_strerror(rc), rc, 0 );
 508 #else
 509                         Debug( LDAP_DEBUG_ANY,
 510                                 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
 511                                 db_strerror(rc), rc, 0 );
 512 #endif
 513                 }
 514
 515                 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
 516                 bdb->bi_dbenv = NULL;
 517                 if( rc != 0 ) {
 518 #ifdef NEW_LOGGING
 519                         LDAP_LOG( BACK_BDB, ERR,
 520                                 "bdb_db_destroy: close failed: %s (%d)\n",
 521                                 db_strerror(rc), rc, 0 );
 522 #else
 523                         Debug( LDAP_DEBUG_ANY,
 524                                 "bdb_db_destroy: close failed: %s (%d)\n",
 525                                 db_strerror(rc), rc, 0 );
 526 #endif
 527                         return rc;
 528                 }
 529         }
 530
 531         if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
 532
 533         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
 534         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
 535         ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
 536         ldap_pvt_thread_rdwr_destroy ( &bdb->bi_pslist_rwlock );
 537         ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
 538         ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
 539         if ( bdb->bi_idl_cache_max_size ) {
 540                 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
 541                 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
 542         }
 543
 544         ch_free( bdb );
 545         be->be_private = NULL;
 546
 547         return 0;
 548 }
 549
 550 #if     (SLAPD_BDB == SLAPD_MOD_DYNAMIC && !defined(BDB_HIER)) || \
 551         (SLAPD_HDB == SLAPD_MOD_DYNAMIC && defined(BDB_HIER))
 552 int init_module( int argc, char *argv[] ) {
 553         BackendInfo bi;
 554
 555         memset( &bi, '\0', sizeof(bi) );
 556 #ifdef BDB_HIER
 557         bi.bi_type = "hdb";
 558 #else
 559         bi.bi_type = "bdb";
 560 #endif
 561         bi.bi_init = bdb_initialize;
 562
 563         backend_add( &bi );
 564         return 0;
 565 }
 566 #endif /* SLAPD_BDB */
 567
 568 int
 569 bdb_initialize(
 570         BackendInfo     *bi )
 571 {
 572         static char *controls[] = {
 573                 LDAP_CONTROL_ASSERT,
 574                 LDAP_CONTROL_MANAGEDSAIT,
 575                 LDAP_CONTROL_NOOP,
 576                 LDAP_CONTROL_PAGEDRESULTS,
 577 #ifdef LDAP_CONTROL_SUBENTRIES
 578                 LDAP_CONTROL_SUBENTRIES,
 579 #endif
 580                 LDAP_CONTROL_VALUESRETURNFILTER,
 581                 NULL
 582         };
 583
 584         /* initialize the underlying database system */
 585 #ifdef NEW_LOGGING
 586         LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_initialize\n", 0, 0, 0 );
 587 #else
 588         Debug( LDAP_DEBUG_TRACE, "bdb_initialize: initialize BDB backend\n",
 589                 0, 0, 0 );
 590 #endif
 591
 592         bi->bi_flags |=
 593                 SLAP_BFLAG_INCREMENT |
 594 #ifdef BDB_SUBENTRIES
 595                 SLAP_BFLAG_SUBENTRIES |
 596 #endif
 597 #ifdef BDB_ALIASES
 598                 SLAP_BFLAG_ALIASES |
 599 #endif
 600                 SLAP_BFLAG_REFERRALS;
 601
 602         bi->bi_controls = controls;
 603
 604         {       /* version check */
 605                 int major, minor, patch;
 606                 char *version = db_version( &major, &minor, &patch );
 607 #ifdef HAVE_EBCDIC
 608                 char v2[1024];
 609
 610                 /* All our stdio does an ASCII to EBCDIC conversion on
 611                  * the output. Strings from the BDB library are already
 612                  * in EBCDIC; we have to go back and forth...
 613                  */
 614                 strcpy( v2, version );
 615                 __etoa( v2 );
 616                 version = v2;
 617 #endif
 618
 619                 if( major != DB_VERSION_MAJOR ||
 620                         minor != DB_VERSION_MINOR ||
 621                         patch < DB_VERSION_PATCH )
 622                 {
 623 #ifdef NEW_LOGGING
 624                         LDAP_LOG( BACK_BDB, ERR,
 625                                 "bdb_initialize: BDB library version mismatch:"
 626                                 " expected " DB_VERSION_STRING ","
 627                                 " got %s\n", version, 0, 0 );
 628 #else
 629                         Debug( LDAP_DEBUG_ANY,
 630                                 "bdb_initialize: BDB library version mismatch:"
 631                                 " expected " DB_VERSION_STRING ","
 632                                 " got %s\n", version, 0, 0 );
 633 #endif
 634                 }
 635
 636 #ifdef NEW_LOGGING
 637                 LDAP_LOG( BACK_BDB, DETAIL1,
 638                         "bdb_db_initialize: %s\n", version, 0, 0 );
 639 #else
 640                 Debug( LDAP_DEBUG_ANY, "bdb_initialize: %s\n",
 641                         version, 0, 0 );
 642 #endif
 643         }
 644
 645         db_env_set_func_free( ber_memfree );
 646         db_env_set_func_malloc( (db_malloc *)ber_memalloc );
 647         db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
 648 #ifndef NO_THREAD
 649         /* This is a no-op on a NO_THREAD build. Leave the default
 650          * alone so that BDB will sleep on interprocess conflicts.
 651          */
 652         db_env_set_func_yield( ldap_pvt_thread_yield );
 653 #endif
 654
 655         {
 656                 static char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 657
 658                 bdb_uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ));
 659                 bdb_uuid.bv_val = uuidbuf;
 660         }
 661
 662         bi->bi_open = 0;
 663         bi->bi_close = 0;
 664         bi->bi_config = 0;
 665         bi->bi_destroy = 0;
 666
 667         bi->bi_db_init = bdb_db_init;
 668         bi->bi_db_config = bdb_db_config;
 669         bi->bi_db_open = bdb_db_open;
 670         bi->bi_db_close = bdb_db_close;
 671         bi->bi_db_destroy = bdb_db_destroy;
 672
 673         bi->bi_op_add = bdb_add;
 674         bi->bi_op_bind = bdb_bind;
 675         bi->bi_op_compare = bdb_compare;
 676         bi->bi_op_delete = bdb_delete;
 677         bi->bi_op_modify = bdb_modify;
 678         bi->bi_op_modrdn = bdb_modrdn;
 679         bi->bi_op_search = bdb_search;
 680
 681         bi->bi_op_unbind = 0;
 682
 683         bi->bi_op_abandon = bdb_abandon;
 684         bi->bi_op_cancel = bdb_cancel;
 685
 686         bi->bi_extended = bdb_extended;
 687
 688         bi->bi_chk_referrals = bdb_referrals;
 689         bi->bi_operational = bdb_operational;
 690         bi->bi_has_subordinates = bdb_hasSubordinates;
 691         bi->bi_entry_release_rw = bdb_entry_release;
 692         bi->bi_entry_get_rw = bdb_entry_get;
 693
 694         /*
 695          * hooks for slap tools
 696          */
 697         bi->bi_tool_entry_open = bdb_tool_entry_open;
 698         bi->bi_tool_entry_close = bdb_tool_entry_close;
 699         bi->bi_tool_entry_first = bdb_tool_entry_next;
 700         bi->bi_tool_entry_next = bdb_tool_entry_next;
 701         bi->bi_tool_entry_get = bdb_tool_entry_get;
 702         bi->bi_tool_entry_put = bdb_tool_entry_put;
 703         bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
 704         bi->bi_tool_sync = 0;
 705         bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
 706         bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
 707         bi->bi_tool_entry_modify = bdb_tool_entry_modify;
 708
 709         bi->bi_connection_init = 0;
 710         bi->bi_connection_destroy = 0;
 711
 712         return 0;
 713 }