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

   1 /* init.c - initialize ldbm backend */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2000 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                 NULL
  41         };
  42
  43         bi->bi_controls = controls;
  44
  45         bi->bi_open = ldbm_back_open;
  46         bi->bi_config = 0;
  47         bi->bi_close = ldbm_back_close;
  48         bi->bi_destroy = ldbm_back_destroy;
  49
  50         bi->bi_db_init = ldbm_back_db_init;
  51         bi->bi_db_config = ldbm_back_db_config;
  52         bi->bi_db_open = ldbm_back_db_open;
  53         bi->bi_db_close = ldbm_back_db_close;
  54         bi->bi_db_destroy = ldbm_back_db_destroy;
  55
  56         bi->bi_op_bind = ldbm_back_bind;
  57         bi->bi_op_unbind = ldbm_back_unbind;
  58         bi->bi_op_search = ldbm_back_search;
  59         bi->bi_op_compare = ldbm_back_compare;
  60         bi->bi_op_modify = ldbm_back_modify;
  61         bi->bi_op_modrdn = ldbm_back_modrdn;
  62         bi->bi_op_add = ldbm_back_add;
  63         bi->bi_op_delete = ldbm_back_delete;
  64         bi->bi_op_abandon = ldbm_back_abandon;
  65
  66         bi->bi_extended = ldbm_back_extended;
  67
  68         bi->bi_entry_release_rw = ldbm_back_entry_release_rw;
  69         bi->bi_acl_group = ldbm_back_group;
  70         bi->bi_chk_referrals = ldbm_back_referrals;
  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_sync = ldbm_tool_sync;
  83
  84 #ifdef HAVE_CYRUS_SASL
  85         bi->bi_sasl_authorize = 0;
  86         bi->bi_sasl_getsecret = 0;
  87         bi->bi_sasl_putsecret = 0;
  88 #endif /* HAVE_CYRUS_SASL */
  89
  90         bi->bi_connection_init = 0;
  91         bi->bi_connection_destroy = 0;
  92
  93         return 0;
  94 }
  95
  96 int
  97 ldbm_back_destroy(
  98     BackendInfo *bi
  99 )
 100 {
 101         return 0;
 102 }
 103
 104 int
 105 ldbm_back_open(
 106     BackendInfo *bi
 107 )
 108 {
 109         int rc;
 110
 111         /* initialize the underlying database system */
 112         rc = ldbm_initialize();
 113
 114         return rc;
 115 }
 116
 117 int
 118 ldbm_back_close(
 119     BackendInfo *bi
 120 )
 121 {
 122         /* terminate the underlying database system */
 123         ldbm_shutdown();
 124
 125         return 0;
 126 }
 127
 128 int
 129 ldbm_back_db_init(
 130     Backend     *be
 131 )
 132 {
 133         struct ldbminfo *li;
 134
 135         /* allocate backend-database-specific stuff */
 136         li = (struct ldbminfo *) ch_calloc( 1, sizeof(struct ldbminfo) );
 137
 138         /* arrange to read nextid later (on first request for it) */
 139         li->li_nextid = NOID;
 140
 141         /* default cache size */
 142         li->li_cache.c_maxsize = DEFAULT_CACHE_SIZE;
 143
 144         /* default database cache size */
 145         li->li_dbcachesize = DEFAULT_DBCACHE_SIZE;
 146
 147         /* default db mode is with locking */
 148         li->li_dblocking = 1;
 149
 150         /* default db mode is with write synchronization */
 151         li->li_dbwritesync = 1;
 152
 153         /* default file creation mode */
 154         li->li_mode = DEFAULT_MODE;
 155
 156         /* default database directory */
 157         li->li_directory = ch_strdup( DEFAULT_DB_DIRECTORY );
 158
 159         /* initialize various mutex locks & condition variables */
 160         ldap_pvt_thread_mutex_init( &li->li_root_mutex );
 161         ldap_pvt_thread_mutex_init( &li->li_add_mutex );
 162         ldap_pvt_thread_mutex_init( &li->li_cache.c_mutex );
 163         ldap_pvt_thread_mutex_init( &li->li_nextid_mutex );
 164         ldap_pvt_thread_mutex_init( &li->li_dbcache_mutex );
 165         ldap_pvt_thread_cond_init( &li->li_dbcache_cv );
 166
 167         be->be_private = li;
 168
 169         return 0;
 170 }
 171
 172 int
 173 ldbm_back_db_open(
 174     BackendDB   *be
 175 )
 176 {
 177         return 0;
 178 }
 179
 180 int
 181 ldbm_back_db_destroy(
 182     BackendDB   *be
 183 )
 184 {
 185         /* should free/destroy every in be_private */
 186         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
 187         free( li->li_directory );
 188         attr_index_destroy( li->li_attrs );
 189
 190         ldap_pvt_thread_mutex_destroy( &li->li_root_mutex );
 191         ldap_pvt_thread_mutex_destroy( &li->li_add_mutex );
 192         ldap_pvt_thread_mutex_destroy( &li->li_cache.c_mutex );
 193         ldap_pvt_thread_mutex_destroy( &li->li_nextid_mutex );
 194         ldap_pvt_thread_mutex_destroy( &li->li_dbcache_mutex );
 195         ldap_pvt_thread_cond_destroy( &li->li_dbcache_cv );
 196
 197         free( be->be_private );
 198         be->be_private = NULL;
 199
 200         return 0;
 201 }