X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-bdb%2Fdbcache.c;h=85ed700fbba42bed33ffe66a739e4ad5c323f394;hb=02fb60d3dad11f9ee46feb6ba3eb9ad96dde0c48;hp=4490c105ccedd2593fff9871b8b330a3fa0fb63d;hpb=52beecbdf4934c3ec95cfdda5fb1e8e45103f906;p=openldap diff --git a/servers/slapd/back-bdb/dbcache.c b/servers/slapd/back-bdb/dbcache.c index 4490c105cc..85ed700fbb 100644 --- a/servers/slapd/back-bdb/dbcache.c +++ b/servers/slapd/back-bdb/dbcache.c @@ -1,7 +1,7 @@ /* dbcache.c - manage cache of open databases */ /* $OpenLDAP$ */ /* - * Copyright 1998-2001 The OpenLDAP Foundation, All Rights Reserved. + * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved. * COPYING RESTRICTIONS APPLY, see COPYRIGHT file */ @@ -17,6 +17,31 @@ #include "slap.h" #include "back-bdb.h" +#include "lutil_hash.h" + +/* Pass-thru hash function. Since the indexer is already giving us hash + * values as keys, we don't need BDB to re-hash them. + */ +static u_int32_t +bdb_db_hash( + DB *db, + const void *bytes, + u_int32_t length +) +{ + u_int32_t ret = 0; + unsigned char *dst = (unsigned char *)&ret; + const unsigned char *src = (const unsigned char *)bytes; + + if ( length > sizeof(u_int32_t) ) + length = sizeof(u_int32_t); + + while ( length ) { + *dst++ = *src++; + length--; + } + return ret; +} int bdb_db_cache( @@ -61,29 +86,42 @@ bdb_db_cache( rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 ); if( rc != 0 ) { +#ifdef NEW_LOGGING + LDAP_LOG (( "dbcache", LDAP_LEVEL_ERR, "bdb_db_cache: db_create(%s) failed: %s (%d)\n", bdb->bi_dbenv_home, db_strerror(rc), rc )); +#else Debug( LDAP_DEBUG_ANY, "bdb_db_cache: db_create(%s) failed: %s (%d)\n", bdb->bi_dbenv_home, db_strerror(rc), rc ); +#endif ldap_pvt_thread_mutex_unlock( &bdb->bi_database_mutex ); return rc; } rc = db->bdi_db->set_pagesize( db->bdi_db, BDB_PAGESIZE ); + rc = db->bdi_db->set_h_hash( db->bdi_db, bdb_db_hash ); +#ifdef BDB_IDL_MULTI + rc = db->bdi_db->set_flags( db->bdi_db, DB_DUP | DB_DUPSORT ); + rc = db->bdi_db->set_dup_compare( db->bdi_db, bdb_bt_compare ); +#endif file = ch_malloc( strlen( name ) + sizeof(BDB_SUFFIX) ); sprintf( file, "%s" BDB_SUFFIX, name ); rc = db->bdi_db->open( db->bdi_db, file, name, - DB_BTREE, bdb->bi_db_opflags | DB_CREATE | DB_THREAD, + DB_HASH, bdb->bi_db_opflags | DB_CREATE | DB_THREAD, bdb->bi_dbenv_mode ); ch_free( file ); if( rc != 0 ) { +#ifdef NEW_LOGGING + LDAP_LOG (( "dbcache", LDAP_LEVEL_ERR, "bdb_db_cache: db_open(%s) failed: %s (%d)\n", name, db_strerror(rc), rc )); +#else Debug( LDAP_DEBUG_ANY, "bdb_db_cache: db_open(%s) failed: %s (%d)\n", name, db_strerror(rc), rc ); +#endif ldap_pvt_thread_mutex_unlock( &bdb->bi_database_mutex ); return rc; }