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