-/* back-bdb.h - ldap ldbm back-end header file */
+/* idl.h - ldap bdb back-end ID list header file */
/* $OpenLDAP$ */
-/*
- * Copyright 2000 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2005 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
#ifndef _BDB_IDL_H_
#define _BDB_IDL_H_
-#include <portable.h>
-
-#include "slap.h"
-
-#if 0
- /* larger IDL sizes (which blow thread stacks) */
-#define BDB_IDL_DB_SIZE (1<<16) /* 64K IDL on disk */
-#define BDB_IDL_SIZE (1<<17) /* 128K IDL in memory */
-#else
- /* reduced IDL sizes for testing */
-#define BDB_IDL_DB_SIZE (1<<8) /* 256 IDL on disk */
-#define BDB_IDL_SIZE (1<<10) /* 1K IDL in memory */
-#endif
+/* IDL sizes - likely should be even bigger
+ * limiting factors: sizeof(ID), thread stack size
+ */
+#define BDB_IDL_LOGN 16 /* DB_SIZE is 2^16, UM_SIZE is 2^17 */
+#define BDB_IDL_DB_SIZE (1<<BDB_IDL_LOGN)
+#define BDB_IDL_UM_SIZE (1<<(BDB_IDL_LOGN+1))
+#define BDB_IDL_UM_SIZEOF (BDB_IDL_UM_SIZE * sizeof(ID))
-#define BDB_IDL_DB_MAX (BDB_IDL_DB_SIZE-32)
-/* #define BDB_IDL_DB_ALLOC (BDB_IDL_DB_SIZE * sizeof(ID)) */
+#define BDB_IDL_DB_MAX (BDB_IDL_DB_SIZE-1)
-#define BDB_IDL_MAX (BDB_IDL_DB_SIZE-32)
-/* #define BDB_IDL_DB_ALLOC (BDB_IDL_DB_SIZE * sizeof(ID)) */
+#define BDB_IDL_UM_MAX (BDB_IDL_UM_SIZE-1)
#define BDB_IDL_IS_RANGE(ids) ((ids)[0] == NOID)
-#define BDB_IDL_RANGE_SIZE (3 * sizeof(ID))
-#define BDB_IDL_SIZEOF(ids) ( BDB_IDL_IS_RANGE(ids) \
- ? BDB_IDL_RANGE_SIZE : ((ids)[0]+1) * sizeof(ID) )
+#define BDB_IDL_RANGE_SIZE (3)
+#define BDB_IDL_RANGE_SIZEOF (BDB_IDL_RANGE_SIZE * sizeof(ID))
+#define BDB_IDL_SIZEOF(ids) ((BDB_IDL_IS_RANGE(ids) \
+ ? BDB_IDL_RANGE_SIZE : ((ids)[0]+1)) * sizeof(ID))
+
+#define BDB_IDL_RANGE_FIRST(ids) ((ids)[1])
+#define BDB_IDL_RANGE_LAST(ids) ((ids)[2])
#define BDB_IDL_RANGE( ids, f, l ) \
do { \
(ids)[0] = 0; \
(ids)[1] = 0; \
(ids)[2] = 0; \
- } while(0);
+ } while(0)
#define BDB_IDL_IS_ZERO(ids) ( (ids)[0] == 0 )
#define BDB_IDL_IS_ALL( range, ids ) ( (ids)[0] == NOID \
&& (ids)[1] <= (range)[1] && (range)[2] <= (ids)[2] )
-#define BDB_IDL_CPY( dst, src ) (memcpy( dst, src, BDB_IDL_SIZEOF( src ) ))
+#define BDB_IDL_CPY( dst, src ) (AC_MEMCPY( dst, src, BDB_IDL_SIZEOF( src ) ))
#define BDB_IDL_ID( bdb, ids, id ) BDB_IDL_RANGE( ids, id, ((bdb)->bi_lastid) )
#define BDB_IDL_ALL( bdb, ids ) BDB_IDL_RANGE( ids, 1, ((bdb)->bi_lastid) )
#define BDB_IDL_FIRST( ids ) ( ids[1] )
-#define BDB_IDL_LAST( ids ) ( BDB_IDL_IS_RANGE(ids) ? ids[2] : ids[ids[0]] )
+#define BDB_IDL_LAST( ids ) ( BDB_IDL_IS_RANGE(ids) \
+ ? ids[2] : ids[ids[0]] )
+
+#define BDB_IDL_N( ids ) ( BDB_IDL_IS_RANGE(ids) \
+ ? (ids[2]-ids[1])+1 : ids[0] )
LDAP_BEGIN_DECL
LDAP_END_DECL