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https://git.openldap.org/openldap/openldap.git
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105 lines
2.0 KiB
C
105 lines
2.0 KiB
C
/* index.c - routines for dealing with attribute indexes */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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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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/* read a key */
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int
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key_read(
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Backend *be,
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DBCache *db,
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struct berval *k,
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ID_BLOCK **idout
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)
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{
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Datum key;
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ID_BLOCK *idl;
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#ifdef NEW_LOGGING
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LDAP_LOG( INDEX, ENTRY, "key_read: enter\n", 0, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "=> key_read\n", 0, 0, 0 );
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#endif
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ldbm_datum_init( key );
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key.dptr = k->bv_val;
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key.dsize = k->bv_len;
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idl = idl_fetch( be, db, key );
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#ifdef NEW_LOGGING
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LDAP_LOG( INDEX, ENTRY,
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"key_read: %ld candidates\n", idl ? ID_BLOCK_NIDS(idl) : 0, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "<= index_read %ld candidates\n",
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idl ? ID_BLOCK_NIDS(idl) : 0, 0, 0 );
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#endif
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*idout = idl;
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return LDAP_SUCCESS;
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}
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/* Add or remove stuff from index files */
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int
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key_change(
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Backend *be,
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DBCache *db,
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struct berval *k,
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ID id,
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int op
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)
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{
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int rc;
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Datum key;
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#ifdef NEW_LOGGING
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LDAP_LOG( INDEX, ENTRY, "key_change: %s ID %lx\n",
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op == SLAP_INDEX_ADD_OP ? "Add" : "Delete", (long)id, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "=> key_change(%s,%lx)\n",
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op == SLAP_INDEX_ADD_OP ? "ADD":"DELETE", (long) id, 0 );
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#endif
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ldbm_datum_init( key );
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key.dptr = k->bv_val;
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key.dsize = k->bv_len;
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ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
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if (op == SLAP_INDEX_ADD_OP) {
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/* Add values */
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rc = idl_insert_key( be, db, key, id );
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} else {
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/* Delete values */
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rc = idl_delete_key( be, db, key, id );
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}
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ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
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#ifdef NEW_LOGGING
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LDAP_LOG( INDEX, ENTRY, "key_change: return %d\n", rc, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "<= key_change %d\n", rc, 0, 0 );
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#endif
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ldap_pvt_thread_yield();
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return rc;
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}
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