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   1 /* back-bdb.h - bdb back-end header file */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 2000-2001 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #ifndef _BACK_BDB_H_
   9 #define _BACK_BDB_H_
  10
  11 #include <portable.h>
  12 #include <db.h>
  13
  14 #include "slap.h"
  15
  16 LDAP_BEGIN_DECL
  17
  18 /* #define BDB_FILTER_INDICES 1 */
  19 /* #define SLAPD_USE_AD 1 */
  20
  21 #define DN_BASE_PREFIX          SLAP_INDEX_EQUALITY_PREFIX
  22 #define DN_ONE_PREFIX           '%'
  23 #define DN_SUBTREE_PREFIX       '@'
  24
  25 #define DBTzero(t)                      (memset((t), 0, sizeof(DBT)))
  26 #define DBT2bv(t,bv)            ((bv)->bv_val = (t)->data, \
  27                                                                 (bv)->bv_len = (t)->size)
  28 #define bv2DBT(bv,t)            ((t)->data = (bv)->bv_val, \
  29                                                                 (t)->size = (bv)->bv_len )
  30
  31 #define DEFAULT_MODE            0600
  32
  33 #define BDB_TXN_RETRIES 16
  34
  35 #define BDB_DBENV_HOME  LDAP_RUNDIR LDAP_DIRSEP "openldap-bdb"
  36
  37 #ifdef BDB_SUBDIRS
  38 #define BDB_TMP_SUBDIR  LDAP_DIRSEP "tmp"
  39 #define BDB_LG_SUBDIR   LDAP_DIRSEP "log"
  40 #define BDB_DATA_SUBDIR LDAP_DIRSEP "data"
  41 #endif
  42
  43 #define BDB_SUFFIX              ".bdb"
  44 #define BDB_NEXTID              0
  45 #define BDB_ID2ENTRY    1
  46 #define BDB_DN2ID               2
  47 #define BDB_NDB                 3
  48
  49 #define BDB_INDICES             128
  50
  51 struct bdb_db_info {
  52         char            *bdi_name;
  53         DB                      *bdi_db;
  54 };
  55
  56 struct bdb_info {
  57         DB_ENV          *bi_dbenv;
  58
  59         /* DB_ENV parameters */
  60         /* The DB_ENV can be tuned via DB_CONFIG */
  61         char            *bi_dbenv_home;
  62         u_int32_t       bi_dbenv_xflags; /* extra flags */
  63         int                     bi_dbenv_mode;
  64
  65         int                     bi_ndatabases;
  66         struct bdb_db_info **bi_databases;
  67         ldap_pvt_thread_mutex_t bi_database_mutex;
  68
  69         slap_mask_t     bi_defaultmask;
  70         Avlnode         *bi_attrs;
  71
  72         int                     bi_txn_cp;
  73         u_int32_t       bi_txn_cp_min;
  74         u_int32_t       bi_txn_cp_kbyte;
  75
  76 #ifndef NO_THREADS
  77         int                     bi_lock_detect;
  78         int                     bi_lock_detect_seconds;
  79         ldap_pvt_thread_t       bi_lock_detect_tid;
  80 #endif
  81
  82         ID                      bi_lastid;
  83 };
  84
  85 #define bi_nextid       bi_databases[BDB_NEXTID]
  86 #define bi_id2entry     bi_databases[BDB_ID2ENTRY]
  87 #define bi_dn2id        bi_databases[BDB_DN2ID]
  88
  89 struct bdb_op_info {
  90         BackendDB*      boi_bdb;
  91         DB_TXN*         boi_txn;
  92         int                     boi_err;
  93 };
  94
  95 LDAP_END_DECL
  96
  97 #include "proto-bdb.h"
  98
  99 #endif /* _BACK_BDB_H_ */