openldap/servers/slapd/back-ldbm/init.c

193 lines
4.1 KiB
C

/* init.c - initialize ldbm backend */
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-ldbm.h"
#ifdef SLAPD_LDBM_DYNAMIC
#include <gmodule.h>
G_MODULE_EXPORT void init_module(int argc, char *argv[]) {
BackendInfo bi;
bi.bi_type = "ldbm";
bi.bi_init = ldbm_back_initialize;
backend_add(&bi);
}
#endif /* SLAPD_LDBM_DYNAMIC */
int
ldbm_back_initialize(
BackendInfo *bi
)
{
bi->bi_open = ldbm_back_open;
bi->bi_config = 0;
bi->bi_close = ldbm_back_close;
bi->bi_destroy = ldbm_back_destroy;
bi->bi_db_init = ldbm_back_db_init;
bi->bi_db_config = ldbm_back_db_config;
bi->bi_db_open = ldbm_back_db_open;
bi->bi_db_close = ldbm_back_db_close;
bi->bi_db_destroy = ldbm_back_db_destroy;
bi->bi_op_bind = ldbm_back_bind;
bi->bi_op_unbind = ldbm_back_unbind;
bi->bi_op_search = ldbm_back_search;
bi->bi_op_compare = ldbm_back_compare;
bi->bi_op_modify = ldbm_back_modify;
bi->bi_op_modrdn = ldbm_back_modrdn;
bi->bi_op_add = ldbm_back_add;
bi->bi_op_delete = ldbm_back_delete;
bi->bi_op_abandon = ldbm_back_abandon;
bi->bi_entry_release_rw = ldbm_back_entry_release_rw;
bi->bi_acl_group = ldbm_back_group;
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
return 0;
}
int
ldbm_back_destroy(
BackendInfo *bi
)
{
return 0;
}
int
ldbm_back_open(
BackendInfo *bi
)
{
int rc;
/* initialize the underlying database system */
rc = ldbm_initialize();
return rc;
}
int
ldbm_back_close(
BackendInfo *bi
)
{
/* terminate the underlying database system */
ldbm_shutdown();
return 0;
}
int
ldbm_back_db_init(
Backend *be
)
{
struct ldbminfo *li;
char *argv[ 4 ];
/* allocate backend-database-specific stuff */
li = (struct ldbminfo *) ch_calloc( 1, sizeof(struct ldbminfo) );
/* arrange to read nextid later (on first request for it) */
li->li_nextid = NOID;
#if SLAPD_NEXTID_CHUNK > 1
li->li_nextid_wrote = NOID;
#endif
/* default cache size */
li->li_cache.c_maxsize = DEFAULT_CACHE_SIZE;
/* default database cache size */
li->li_dbcachesize = DEFAULT_DBCACHE_SIZE;
/* default cache mode is sync on write */
li->li_dbcachewsync = 1;
/* default file creation mode */
li->li_mode = DEFAULT_MODE;
/* default database directory */
li->li_directory = ch_strdup( DEFAULT_DB_DIRECTORY );
/* always index dn, id2children, objectclass (used in some searches) */
if ( !at_find( "dn" ) ) {
argv[ 0 ] = "dn";
argv[ 1 ] = "dn";
argv[ 2 ] = NULL;
attr_syntax_config( "ldbm dn initialization", 0, 2, argv );
}
argv[ 0 ] = "dn";
argv[ 1 ] = "eq,sub";
argv[ 2 ] = NULL;
attr_index_config( li, "ldbm dn initialization", 0, 2, argv, 1 );
argv[ 0 ] = "id2children";
argv[ 1 ] = "eq";
argv[ 2 ] = NULL;
attr_index_config( li, "ldbm id2children initialization", 0, 2, argv,
1 );
argv[ 0 ] = "objectclass";
argv[ 1 ] = "pres,eq";
argv[ 2 ] = NULL;
attr_index_config( li, "ldbm objectclass initialization", 0, 2, argv,
1 );
/* initialize various mutex locks & condition variables */
ldap_pvt_thread_mutex_init( &li->li_root_mutex );
ldap_pvt_thread_mutex_init( &li->li_add_mutex );
ldap_pvt_thread_mutex_init( &li->li_cache.c_mutex );
ldap_pvt_thread_mutex_init( &li->li_nextid_mutex );
ldap_pvt_thread_mutex_init( &li->li_dbcache_mutex );
ldap_pvt_thread_cond_init( &li->li_dbcache_cv );
be->be_private = li;
return 0;
}
int
ldbm_back_db_open(
BackendDB *be
)
{
return 0;
}
int
ldbm_back_db_destroy(
BackendDB *be
)
{
/* should free/destroy every in be_private */
#ifdef SLAP_CLEANUP
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
free( li->li_nextid_file );
free( li->li_directory );
attr_index_destroy( li->li_attrs );
ldap_pvt_thread_mutex_destroy( &li->li_root_mutex );
ldap_pvt_thread_mutex_destroy( &li->li_add_mutex );
ldap_pvt_thread_mutex_destroy( &li->li_cache.c_mutex );
ldap_pvt_thread_mutex_destroy( &li->li_nextid_mutex );
ldap_pvt_thread_mutex_destroy( &li->li_dbcache_mutex );
ldap_pvt_thread_cond_destroy( &li->li_dbcache_cv );
#endif /* SLAP_CLEANUP */
free( be->be_private );
be->be_private = NULL;
return 0;
}