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
  71         /*
  72          * hooks for slap tools
  73          */
  74         bi->bi_tool_entry_open = ldbm_tool_entry_open;
  75         bi->bi_tool_entry_close = ldbm_tool_entry_close;
  76         bi->bi_tool_entry_first = ldbm_tool_entry_first;
  77         bi->bi_tool_entry_next = ldbm_tool_entry_next;
  78         bi->bi_tool_entry_get = ldbm_tool_entry_get;
  79         bi->bi_tool_entry_put = ldbm_tool_entry_put;
  80         bi->bi_tool_index_attr = ldbm_tool_index_attr;
  81         bi->bi_tool_sync = ldbm_tool_sync;
  82
  83 #ifdef HAVE_CYRUS_SASL
  84         bi->bi_sasl_authorize = 0;
  85         bi->bi_sasl_getsecret = 0;
  86         bi->bi_sasl_putsecret = 0;
  87 #endif /* HAVE_CYRUS_SASL */
  88
  89         bi->bi_connection_init = 0;
  90         bi->bi_connection_destroy = 0;
  91
  92         return 0;
  93 }
  94
  95 int
  96 ldbm_back_destroy(
  97     BackendInfo *bi
  98 )
  99 {
 100         return 0;
 101 }
 102
 103 int
 104 ldbm_back_open(
 105     BackendInfo *bi
 106 )
 107 {
 108         int rc;
 109
 110         /* initialize the underlying database system */
 111         rc = ldbm_initialize();
 112
 113         return rc;
 114 }
 115
 116 int
 117 ldbm_back_close(
 118     BackendInfo *bi
 119 )
 120 {
 121         /* terminate the underlying database system */
 122         ldbm_shutdown();
 123
 124         return 0;
 125 }
 126
 127 int
 128 ldbm_back_db_init(
 129     Backend     *be
 130 )
 131 {
 132         struct ldbminfo *li;
 133
 134         /* allocate backend-database-specific stuff */
 135         li = (struct ldbminfo *) ch_calloc( 1, sizeof(struct ldbminfo) );
 136
 137         /* arrange to read nextid later (on first request for it) */
 138         li->li_nextid = NOID;
 139
 140         /* default cache size */
 141         li->li_cache.c_maxsize = DEFAULT_CACHE_SIZE;
 142
 143         /* default database cache size */
 144         li->li_dbcachesize = DEFAULT_DBCACHE_SIZE;
 145
 146         /* default db mode is with locking */
 147         li->li_dblocking = 1;
 148
 149         /* default db mode is with write synchronization */
 150         li->li_dbwritesync = 1;
 151
 152         /* default file creation mode */
 153         li->li_mode = DEFAULT_MODE;
 154
 155         /* default database directory */
 156         li->li_directory = ch_strdup( DEFAULT_DB_DIRECTORY );
 157
 158         /* initialize various mutex locks & condition variables */
 159         ldap_pvt_thread_mutex_init( &li->li_root_mutex );
 160         ldap_pvt_thread_mutex_init( &li->li_add_mutex );
 161         ldap_pvt_thread_mutex_init( &li->li_cache.c_mutex );
 162         ldap_pvt_thread_mutex_init( &li->li_nextid_mutex );
 163         ldap_pvt_thread_mutex_init( &li->li_dbcache_mutex );
 164         ldap_pvt_thread_cond_init( &li->li_dbcache_cv );
 165
 166         be->be_private = li;
 167
 168         return 0;
 169 }
 170
 171 int
 172 ldbm_back_db_open(
 173     BackendDB   *be
 174 )
 175 {
 176         return 0;
 177 }
 178
 179 int
 180 ldbm_back_db_destroy(
 181     BackendDB   *be
 182 )
 183 {
 184         /* should free/destroy every in be_private */
 185         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
 186         free( li->li_directory );
 187         attr_index_destroy( li->li_attrs );
 188
 189         ldap_pvt_thread_mutex_destroy( &li->li_root_mutex );
 190         ldap_pvt_thread_mutex_destroy( &li->li_add_mutex );
 191         ldap_pvt_thread_mutex_destroy( &li->li_cache.c_mutex );
 192         ldap_pvt_thread_mutex_destroy( &li->li_nextid_mutex );
 193         ldap_pvt_thread_mutex_destroy( &li->li_dbcache_mutex );
 194         ldap_pvt_thread_cond_destroy( &li->li_dbcache_cv );
 195
 196         free( be->be_private );
 197         be->be_private = NULL;
 198
 199         return 0;
 200 }