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

   1 /* init.c - initialize ldbm backend */
   2 /*
   3  * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6
   7 #include "portable.h"
   8
   9 #include <stdio.h>
  10
  11 #include <ac/string.h>
  12 #include <ac/socket.h>
  13
  14 #include "slap.h"
  15 #include "back-ldbm.h"
  16
  17 #ifdef SLAPD_LDBM_DYNAMIC
  18
  19 int back_ldbm_LTX_init_module(int argc, char *argv[]) {
  20     BackendInfo bi;
  21
  22     memset( &bi, 0, sizeof(bi) );
  23     bi.bi_type = "ldbm";
  24     bi.bi_init = ldbm_back_initialize;
  25
  26     backend_add(&bi);
  27     return 0;
  28 }
  29
  30 #endif /* SLAPD_LDBM_DYNAMIC */
  31
  32 int
  33 ldbm_back_initialize(
  34     BackendInfo *bi
  35 )
  36 {
  37         bi->bi_open = ldbm_back_open;
  38         bi->bi_config = 0;
  39         bi->bi_close = ldbm_back_close;
  40         bi->bi_destroy = ldbm_back_destroy;
  41
  42         bi->bi_db_init = ldbm_back_db_init;
  43         bi->bi_db_config = ldbm_back_db_config;
  44         bi->bi_db_open = ldbm_back_db_open;
  45         bi->bi_db_close = ldbm_back_db_close;
  46         bi->bi_db_destroy = ldbm_back_db_destroy;
  47
  48         bi->bi_op_bind = ldbm_back_bind;
  49         bi->bi_op_unbind = ldbm_back_unbind;
  50         bi->bi_op_search = ldbm_back_search;
  51         bi->bi_op_compare = ldbm_back_compare;
  52         bi->bi_op_modify = ldbm_back_modify;
  53         bi->bi_op_modrdn = ldbm_back_modrdn;
  54         bi->bi_op_add = ldbm_back_add;
  55         bi->bi_op_delete = ldbm_back_delete;
  56         bi->bi_op_abandon = ldbm_back_abandon;
  57
  58         bi->bi_entry_release_rw = ldbm_back_entry_release_rw;
  59         bi->bi_acl_group = ldbm_back_group;
  60
  61         /*
  62          * hooks for slap tools
  63          */
  64         bi->bi_tool_entry_open = ldbm_tool_entry_open;
  65         bi->bi_tool_entry_close = ldbm_tool_entry_close;
  66         bi->bi_tool_entry_first = ldbm_tool_entry_first;
  67         bi->bi_tool_entry_next = ldbm_tool_entry_next;
  68         bi->bi_tool_entry_get = ldbm_tool_entry_get;
  69         bi->bi_tool_entry_put = ldbm_tool_entry_put;
  70         bi->bi_tool_index_attr = ldbm_tool_index_attr;
  71         bi->bi_tool_index_change = ldbm_tool_index_change;
  72         bi->bi_tool_sync = ldbm_tool_sync;
  73
  74         bi->bi_connection_init = 0;
  75         bi->bi_connection_destroy = 0;
  76
  77         return 0;
  78 }
  79
  80 int
  81 ldbm_back_destroy(
  82     BackendInfo *bi
  83 )
  84 {
  85         return 0;
  86 }
  87
  88 int
  89 ldbm_back_open(
  90     BackendInfo *bi
  91 )
  92 {
  93         int rc;
  94
  95         /* initialize the underlying database system */
  96         rc = ldbm_initialize();
  97
  98         return rc;
  99 }
 100
 101 int
 102 ldbm_back_close(
 103     BackendInfo *bi
 104 )
 105 {
 106         /* terminate the underlying database system */
 107         ldbm_shutdown();
 108
 109         return 0;
 110 }
 111
 112 int
 113 ldbm_back_db_init(
 114     Backend     *be
 115 )
 116 {
 117         struct ldbminfo *li;
 118         char            *argv[ 4 ];
 119
 120         /* allocate backend-database-specific stuff */
 121         li = (struct ldbminfo *) ch_calloc( 1, sizeof(struct ldbminfo) );
 122
 123         /* arrange to read nextid later (on first request for it) */
 124         li->li_nextid = NOID;
 125
 126         /* default cache size */
 127         li->li_cache.c_maxsize = DEFAULT_CACHE_SIZE;
 128
 129         /* default database cache size */
 130         li->li_dbcachesize = DEFAULT_DBCACHE_SIZE;
 131
 132         /* default cache mode is sync on write */
 133         li->li_dbcachewsync = 1;
 134
 135         /* default file creation mode */
 136         li->li_mode = DEFAULT_MODE;
 137
 138         /* default database directory */
 139         li->li_directory = ch_strdup( DEFAULT_DB_DIRECTORY );
 140
 141         argv[ 0 ] = "objectclass";
 142         argv[ 1 ] = "pres,eq";
 143         argv[ 2 ] = NULL;
 144         attr_index_config( li, "ldbm objectclass initialization",
 145                 0, 2, argv, 1 );
 146
 147         /* initialize various mutex locks & condition variables */
 148         ldap_pvt_thread_mutex_init( &li->li_root_mutex );
 149         ldap_pvt_thread_mutex_init( &li->li_add_mutex );
 150         ldap_pvt_thread_mutex_init( &li->li_cache.c_mutex );
 151         ldap_pvt_thread_mutex_init( &li->li_nextid_mutex );
 152         ldap_pvt_thread_mutex_init( &li->li_dbcache_mutex );
 153         ldap_pvt_thread_cond_init( &li->li_dbcache_cv );
 154
 155         be->be_private = li;
 156
 157         return 0;
 158 }
 159
 160 int
 161 ldbm_back_db_open(
 162     BackendDB   *be
 163 )
 164 {
 165         return 0;
 166 }
 167
 168 int
 169 ldbm_back_db_destroy(
 170     BackendDB   *be
 171 )
 172 {
 173         /* should free/destroy every in be_private */
 174 #ifdef SLAP_CLEANUP
 175         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
 176         free( li->li_nextid_file );
 177         free( li->li_directory );
 178         attr_index_destroy( li->li_attrs );
 179
 180         ldap_pvt_thread_mutex_destroy( &li->li_root_mutex );
 181         ldap_pvt_thread_mutex_destroy( &li->li_add_mutex );
 182         ldap_pvt_thread_mutex_destroy( &li->li_cache.c_mutex );
 183         ldap_pvt_thread_mutex_destroy( &li->li_nextid_mutex );
 184         ldap_pvt_thread_mutex_destroy( &li->li_dbcache_mutex );
 185         ldap_pvt_thread_cond_destroy( &li->li_dbcache_cv );
 186 #endif /* SLAP_CLEANUP */
 187         free( be->be_private );
 188         be->be_private = NULL;
 189         return 0;
 190 }