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0f17fac37d
SLAPD_NEXTID_CHUNK. Code protects NEXTID file to ensure its equal to or greater than nextid. Updated on close to actual nextid. next_id_save() could be called periodically if desired. Default chunk size is 32. Define to 1 to disable chunking.
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* init.c - initialize ldbm backend */
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "slap.h"
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#include "back-ldbm.h"
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void
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ldbm_back_init(
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Backend *be
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)
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{
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struct ldbminfo *li;
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char *argv[ 4 ];
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int i;
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#ifdef HAVE_BERKELEY_DB2
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extern pthread_mutex_t dbEnvInit_mutex;
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#endif
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/* allocate backend-specific stuff */
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li = (struct ldbminfo *) ch_calloc( 1, sizeof(struct ldbminfo) );
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/* arrange to read nextid later (on first request for it) */
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li->li_nextid = NOID;
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#if SLAPD_NEXTID_CHUNK > 1
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li->li_nextid_wrote = NOID;
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#endif
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/* default cache size */
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li->li_cache.c_maxsize = DEFAULT_CACHE_SIZE;
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/* default database cache size */
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li->li_dbcachesize = DEFAULT_DBCACHE_SIZE;
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/* default cache mode is sync on write */
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li->li_dbcachewsync = 1;
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/* default file creation mode */
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li->li_mode = DEFAULT_MODE;
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/* default database directory */
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li->li_directory = DEFAULT_DB_DIRECTORY;
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/* always index dn, id2children, objectclass (used in some searches) */
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argv[ 0 ] = "dn";
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argv[ 1 ] = "dn";
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argv[ 2 ] = NULL;
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attr_syntax_config( "ldbm dn initialization", 0, 2, argv );
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argv[ 0 ] = "dn";
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argv[ 1 ] = "sub";
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argv[ 2 ] = "eq";
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argv[ 3 ] = NULL;
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attr_index_config( li, "ldbm dn initialization", 0, 3, argv, 1 );
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argv[ 0 ] = "id2children";
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argv[ 1 ] = "eq";
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argv[ 2 ] = NULL;
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attr_index_config( li, "ldbm id2children initialization", 0, 2, argv,
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1 );
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argv[ 0 ] = "objectclass";
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argv[ 1 ] = ch_strdup( "pres,eq" );
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argv[ 2 ] = NULL;
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attr_index_config( li, "ldbm objectclass initialization", 0, 2, argv,
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1 );
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free( argv[ 1 ] );
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/* initialize various mutex locks & condition variables */
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pthread_mutex_init( &li->li_root_mutex, pthread_mutexattr_default );
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pthread_mutex_init( &li->li_add_mutex, pthread_mutexattr_default );
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pthread_mutex_init( &li->li_cache.c_mutex, pthread_mutexattr_default );
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pthread_mutex_init( &li->li_nextid_mutex, pthread_mutexattr_default );
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pthread_mutex_init( &li->li_dbcache_mutex, pthread_mutexattr_default );
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pthread_cond_init( &li->li_dbcache_cv, pthread_condattr_default );
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for ( i = 0; i < MAXDBCACHE; i++ ) {
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pthread_mutex_init( &li->li_dbcache[i].dbc_mutex,
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pthread_mutexattr_default );
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pthread_cond_init( &li->li_dbcache[i].dbc_cv,
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pthread_condattr_default );
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}
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#ifdef HAVE_BERKELEY_DB2
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pthread_mutex_init( &dbEnvInit_mutex, pthread_mutexattr_default );
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#endif
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be->be_private = li;
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}
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