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   1 /* back-bdb.h - ldap ldbm back-end header file */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 2000 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
  19 #define DN_BASE_PREFIX          SLAP_INDEX_EQUALITY_PREFIX
  20 #define DN_ONE_PREFIX           '%'
  21 #define DN_SUBTREE_PREFIX       '@'
  22
  23 #define DBTzero(t)                      (memset((t), 0, sizeof(DBT)))
  24 #define DBT2bv(t,bv)            ((bv)->bv_val = (t)->data, \
  25                                                                 (bv)->bv_len = (t)->size)
  26 #define bv2DBT(bv,t)            ((t)->data = (bv)->bv_val, \
  27                                                                 (t)->size = (bv)->bv_len )
  28
  29 #define DEFAULT_MODE            0600
  30
  31 #define BDB_TXN_RETRIES 16
  32
  33 #define BDB_DBENV_HOME  LDAP_RUNDIR LDAP_DIRSEP "openldap-bdb"
  34
  35 #ifdef BDB_SUBDIRS
  36 #define BDB_TMP_SUBDIR  LDAP_DIRSEP "tmp"
  37 #define BDB_LG_SUBDIR   LDAP_DIRSEP "log"
  38 #define BDB_DATA_SUBDIR LDAP_DIRSEP "data"
  39 #endif
  40
  41 #define BDB_SUFFIX              ".bdb"
  42 #define BDB_NEXTID              0
  43 #define BDB_DN2ID               1
  44 #define BDB_ID2ENTRY    2
  45 #define BDB_INDICES             3
  46
  47 struct bdb_db_info {
  48         DB                      *bdi_db;
  49 };
  50
  51 struct bdb_info {
  52         DB_ENV          *bi_dbenv;
  53
  54         /* DB_ENV parameters */
  55         /* The DB_ENV can be tuned via DB_CONFIG */
  56         char            *bi_dbenv_home;
  57         u_int32_t       bi_dbenv_xflags; /* extra flags */
  58         int                     bi_dbenv_mode;
  59
  60         int                     bi_ndatabases;
  61         struct bdb_db_info **bi_databases;
  62
  63         int                     bi_txn_cp;
  64         u_int32_t       bi_txn_cp_min;
  65         u_int32_t       bi_txn_cp_kbyte;
  66
  67 #ifndef NO_THREADS
  68         int                     bi_lock_detect;
  69         int                     bi_lock_detect_seconds;
  70         ldap_pvt_thread_t       bi_lock_detect_tid;
  71 #endif
  72
  73         ID                      bi_lastid;
  74 };
  75
  76 #define bi_nextid       bi_databases[BDB_NEXTID]
  77 #define bi_id2entry     bi_databases[BDB_ID2ENTRY]
  78 #define bi_dn2id        bi_databases[BDB_DN2ID]
  79
  80 struct bdb_op_info {
  81         BackendDB*      boi_bdb;
  82         DB_TXN*         boi_txn;
  83         int                     boi_err;
  84 };
  85
  86 LDAP_END_DECL
  87
  88 #include "proto-bdb.h"
  89
  90 #endif /* _BACK_BDB_H_ */