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

   1 /* init.c - initialize ldbm backend */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-1999 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
  12 #include <ac/string.h>
  13 #include <ac/socket.h>
  14
  15 #include "slap.h"
  16 #include "back-ldbm.h"
  17
  18 #ifdef SLAPD_LDBM_DYNAMIC
  19
  20 int back_ldbm_LTX_init_module(int argc, char *argv[]) {
  21     BackendInfo bi;
  22
  23     memset( &bi, 0, sizeof(bi) );
  24     bi.bi_type = "ldbm";
  25     bi.bi_init = ldbm_back_initialize;
  26
  27     backend_add(&bi);
  28     return 0;
  29 }
  30
  31 #endif /* SLAPD_LDBM_DYNAMIC */
  32
  33 int
  34 ldbm_back_initialize(
  35     BackendInfo *bi
  36 )
  37 {
  38         static char *controls[] = {
  39                 LDAP_CONTROL_MANAGEDSAIT,
  40         /*      LDAP_CONTROL_X_CHANGE_PASSWD, */
  41                 NULL
  42         };
  43
  44         bi->bi_controls = controls;
  45
  46         bi->bi_open = ldbm_back_open;
  47         bi->bi_config = 0;
  48         bi->bi_close = ldbm_back_close;
  49         bi->bi_destroy = ldbm_back_destroy;
  50
  51         bi->bi_db_init = ldbm_back_db_init;
  52         bi->bi_db_config = ldbm_back_db_config;
  53         bi->bi_db_open = ldbm_back_db_open;
  54         bi->bi_db_close = ldbm_back_db_close;
  55         bi->bi_db_destroy = ldbm_back_db_destroy;
  56
  57         bi->bi_op_bind = ldbm_back_bind;
  58         bi->bi_op_unbind = ldbm_back_unbind;
  59         bi->bi_op_search = ldbm_back_search;
  60         bi->bi_op_compare = ldbm_back_compare;
  61         bi->bi_op_modify = ldbm_back_modify;
  62         bi->bi_op_modrdn = ldbm_back_modrdn;
  63         bi->bi_op_add = ldbm_back_add;
  64         bi->bi_op_delete = ldbm_back_delete;
  65         bi->bi_op_abandon = ldbm_back_abandon;
  66
  67         bi->bi_extended = ldbm_back_extended;
  68
  69         bi->bi_entry_release_rw = ldbm_back_entry_release_rw;
  70         bi->bi_acl_group = ldbm_back_group;
  71
  72         /*
  73          * hooks for slap tools
  74          */
  75         bi->bi_tool_entry_open = ldbm_tool_entry_open;
  76         bi->bi_tool_entry_close = ldbm_tool_entry_close;
  77         bi->bi_tool_entry_first = ldbm_tool_entry_first;
  78         bi->bi_tool_entry_next = ldbm_tool_entry_next;
  79         bi->bi_tool_entry_get = ldbm_tool_entry_get;
  80         bi->bi_tool_entry_put = ldbm_tool_entry_put;
  81         bi->bi_tool_index_attr = ldbm_tool_index_attr;
  82         bi->bi_tool_index_change = ldbm_tool_index_change;
  83         bi->bi_tool_sync = ldbm_tool_sync;
  84
  85         bi->bi_connection_init = 0;
  86         bi->bi_connection_destroy = 0;
  87
  88         return 0;
  89 }
  90
  91 int
  92 ldbm_back_destroy(
  93     BackendInfo *bi
  94 )
  95 {
  96         return 0;
  97 }
  98
  99 int
 100 ldbm_back_open(
 101     BackendInfo *bi
 102 )
 103 {
 104         int rc;
 105
 106         /* initialize the underlying database system */
 107         rc = ldbm_initialize();
 108
 109         return rc;
 110 }
 111
 112 int
 113 ldbm_back_close(
 114     BackendInfo *bi
 115 )
 116 {
 117         /* terminate the underlying database system */
 118         ldbm_shutdown();
 119
 120         return 0;
 121 }
 122
 123 int
 124 ldbm_back_db_init(
 125     Backend     *be
 126 )
 127 {
 128         struct ldbminfo *li;
 129         char            *argv[ 4 ];
 130
 131         /* allocate backend-database-specific stuff */
 132         li = (struct ldbminfo *) ch_calloc( 1, sizeof(struct ldbminfo) );
 133
 134         /* arrange to read nextid later (on first request for it) */
 135         li->li_nextid = NOID;
 136
 137         /* default cache size */
 138         li->li_cache.c_maxsize = DEFAULT_CACHE_SIZE;
 139
 140         /* default database cache size */
 141         li->li_dbcachesize = DEFAULT_DBCACHE_SIZE;
 142
 143         /* default db mode is with locking */
 144         li->li_dblocking = 1;
 145
 146         /* default db mode is with write synchronization */
 147         li->li_dbwritesync = 1;
 148
 149         /* default file creation mode */
 150         li->li_mode = DEFAULT_MODE;
 151
 152         /* default database directory */
 153         li->li_directory = ch_strdup( DEFAULT_DB_DIRECTORY );
 154
 155         argv[ 0 ] = "objectclass";
 156         argv[ 1 ] = "eq";
 157         argv[ 2 ] = NULL;
 158         attr_index_config( li, "ldbm objectclass initialization",
 159                 0, 2, argv, 1 );
 160
 161         /* initialize various mutex locks & condition variables */
 162         ldap_pvt_thread_mutex_init( &li->li_root_mutex );
 163         ldap_pvt_thread_mutex_init( &li->li_add_mutex );
 164         ldap_pvt_thread_mutex_init( &li->li_cache.c_mutex );
 165         ldap_pvt_thread_mutex_init( &li->li_nextid_mutex );
 166         ldap_pvt_thread_mutex_init( &li->li_dbcache_mutex );
 167         ldap_pvt_thread_cond_init( &li->li_dbcache_cv );
 168
 169         be->be_private = li;
 170
 171         return 0;
 172 }
 173
 174 int
 175 ldbm_back_db_open(
 176     BackendDB   *be
 177 )
 178 {
 179         return 0;
 180 }
 181
 182 int
 183 ldbm_back_db_destroy(
 184     BackendDB   *be
 185 )
 186 {
 187         /* should free/destroy every in be_private */
 188         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
 189         free( li->li_directory );
 190         attr_index_destroy( li->li_attrs );
 191
 192         ldap_pvt_thread_mutex_destroy( &li->li_root_mutex );
 193         ldap_pvt_thread_mutex_destroy( &li->li_add_mutex );
 194         ldap_pvt_thread_mutex_destroy( &li->li_cache.c_mutex );
 195         ldap_pvt_thread_mutex_destroy( &li->li_nextid_mutex );
 196         ldap_pvt_thread_mutex_destroy( &li->li_dbcache_mutex );
 197         ldap_pvt_thread_cond_destroy( &li->li_dbcache_cv );
 198
 199         free( be->be_private );
 200         be->be_private = NULL;
 201
 202         return 0;
 203 }