mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-27 03:20:22 +08:00
114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/* idl.h - ldap mdb back-end ID list header file */
|
|
/* $OpenLDAP$ */
|
|
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
|
|
*
|
|
* Copyright 2000-2012 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 _MDB_IDL_H_
|
|
#define _MDB_IDL_H_
|
|
|
|
/* IDL sizes - likely should be even bigger
|
|
* limiting factors: sizeof(ID), thread stack size
|
|
*/
|
|
#define MDB_IDL_LOGN 16 /* DB_SIZE is 2^16, UM_SIZE is 2^17 */
|
|
#define MDB_IDL_DB_SIZE (1<<MDB_IDL_LOGN)
|
|
#define MDB_IDL_UM_SIZE (1<<(MDB_IDL_LOGN+1))
|
|
#define MDB_IDL_UM_SIZEOF (MDB_IDL_UM_SIZE * sizeof(ID))
|
|
|
|
#define MDB_IDL_DB_MAX (MDB_IDL_DB_SIZE-1)
|
|
|
|
#define MDB_IDL_UM_MAX (MDB_IDL_UM_SIZE-1)
|
|
|
|
#define MDB_IDL_IS_RANGE(ids) ((ids)[0] == NOID)
|
|
#define MDB_IDL_RANGE_SIZE (3)
|
|
#define MDB_IDL_RANGE_SIZEOF (MDB_IDL_RANGE_SIZE * sizeof(ID))
|
|
#define MDB_IDL_SIZEOF(ids) ((MDB_IDL_IS_RANGE(ids) \
|
|
? MDB_IDL_RANGE_SIZE : ((ids)[0]+1)) * sizeof(ID))
|
|
|
|
#define MDB_IDL_RANGE_FIRST(ids) ((ids)[1])
|
|
#define MDB_IDL_RANGE_LAST(ids) ((ids)[2])
|
|
|
|
#define MDB_IDL_RANGE( ids, f, l ) \
|
|
do { \
|
|
(ids)[0] = NOID; \
|
|
(ids)[1] = (f); \
|
|
(ids)[2] = (l); \
|
|
} while(0)
|
|
|
|
#define MDB_IDL_ZERO(ids) \
|
|
do { \
|
|
(ids)[0] = 0; \
|
|
(ids)[1] = 0; \
|
|
(ids)[2] = 0; \
|
|
} while(0)
|
|
|
|
#define MDB_IDL_IS_ZERO(ids) ( (ids)[0] == 0 )
|
|
#define MDB_IDL_IS_ALL( range, ids ) ( (ids)[0] == NOID \
|
|
&& (ids)[1] <= (range)[1] && (range)[2] <= (ids)[2] )
|
|
|
|
#define MDB_IDL_CPY( dst, src ) (AC_MEMCPY( dst, src, MDB_IDL_SIZEOF( src ) ))
|
|
|
|
#define MDB_IDL_ID( mdb, ids, id ) MDB_IDL_RANGE( ids, id, NOID )
|
|
#define MDB_IDL_ALL( ids ) MDB_IDL_RANGE( ids, 1, NOID )
|
|
|
|
#define MDB_IDL_FIRST( ids ) ( (ids)[1] )
|
|
#define MDB_IDL_LAST( ids ) ( MDB_IDL_IS_RANGE(ids) \
|
|
? (ids)[2] : (ids)[(ids)[0]] )
|
|
|
|
#define MDB_IDL_N( ids ) ( MDB_IDL_IS_RANGE(ids) \
|
|
? ((ids)[2]-(ids)[1])+1 : (ids)[0] )
|
|
|
|
/** An ID2 is an ID/value pair.
|
|
*/
|
|
typedef struct ID2 {
|
|
ID mid; /**< The ID */
|
|
MDB_val mval; /**< The value */
|
|
} ID2;
|
|
|
|
/** An ID2L is an ID2 List, a sorted array of ID2s.
|
|
* The first element's \b mid member is a count of how many actual
|
|
* elements are in the array. The \b mptr member of the first element is unused.
|
|
* The array is sorted in ascending order by \b mid.
|
|
*/
|
|
typedef ID2 *ID2L;
|
|
|
|
typedef struct IdScopes {
|
|
MDB_txn *mt;
|
|
MDB_cursor *mc;
|
|
ID id;
|
|
ID2L scopes;
|
|
int numrdns;
|
|
int nscope;
|
|
struct berval rdns[MAXRDNS];
|
|
struct berval nrdns[MAXRDNS];
|
|
} IdScopes;
|
|
|
|
LDAP_BEGIN_DECL
|
|
/** Search for an ID in an ID2L.
|
|
* @param[in] ids The ID2L to search.
|
|
* @param[in] id The ID to search for.
|
|
* @return The index of the first ID2 whose \b mid member is greater than or equal to \b id.
|
|
*/
|
|
unsigned mdb_id2l_search( ID2L ids, ID id );
|
|
|
|
|
|
/** Insert an ID2 into a ID2L.
|
|
* @param[in,out] ids The ID2L to insert into.
|
|
* @param[in] id The ID2 to insert.
|
|
* @return 0 on success, -1 if the ID was already present in the MIDL2.
|
|
*/
|
|
int mdb_id2l_insert( ID2L ids, ID2 *id );
|
|
LDAP_END_DECL
|
|
|
|
#endif
|