mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
109 lines
2.0 KiB
C
109 lines
2.0 KiB
C
/* index.c - routines for dealing with attribute indexes */
|
|
/* $OpenLDAP$ */
|
|
/*
|
|
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
|
|
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/string.h>
|
|
#include <ac/socket.h>
|
|
|
|
#include "slap.h"
|
|
#include "back-ldbm.h"
|
|
|
|
/* read a key */
|
|
int
|
|
key_read(
|
|
Backend *be,
|
|
DBCache *db,
|
|
struct berval *k,
|
|
ID_BLOCK **idout
|
|
)
|
|
{
|
|
Datum key;
|
|
ID_BLOCK *idl;
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
|
|
"key_read: enter\n" ));
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "=> key_read\n", 0, 0, 0 );
|
|
#endif
|
|
|
|
|
|
ldbm_datum_init( key );
|
|
key.dptr = k->bv_val;
|
|
key.dsize = k->bv_len;
|
|
|
|
idl = idl_fetch( be, db, key );
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
|
|
"key_read: %ld candidates\n",
|
|
idl ? ID_BLOCK_NIDS(idl) : 0 ));
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "<= index_read %ld candidates\n",
|
|
idl ? ID_BLOCK_NIDS(idl) : 0, 0, 0 );
|
|
#endif
|
|
|
|
|
|
*idout = idl;
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
/* Add or remove stuff from index files */
|
|
int
|
|
key_change(
|
|
Backend *be,
|
|
DBCache *db,
|
|
struct berval *k,
|
|
ID id,
|
|
int op
|
|
)
|
|
{
|
|
int rc;
|
|
Datum key;
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
|
|
"key_change: %s ID %lx\n",
|
|
op == SLAP_INDEX_ADD_OP ? "Add" : "Delete", (long)id ));
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "=> key_change(%s,%lx)\n",
|
|
op == SLAP_INDEX_ADD_OP ? "ADD":"DELETE", (long) id, 0 );
|
|
#endif
|
|
|
|
|
|
ldbm_datum_init( key );
|
|
key.dptr = k->bv_val;
|
|
key.dsize = k->bv_len;
|
|
|
|
ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
|
|
if (op == SLAP_INDEX_ADD_OP) {
|
|
/* Add values */
|
|
rc = idl_insert_key( be, db, key, id );
|
|
|
|
} else {
|
|
/* Delete values */
|
|
rc = idl_delete_key( be, db, key, id );
|
|
}
|
|
ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
|
|
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "index", LDAP_LEVEL_ENTRY,
|
|
"key_change: return %d\n", rc ));
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "<= key_change %d\n", rc, 0, 0 );
|
|
#endif
|
|
|
|
|
|
ldap_pvt_thread_yield();
|
|
|
|
return rc;
|
|
}
|