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