mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
e8c58b4e7f
consolidated into the Operation structure. All reply parameters are consolidated into the new SlapReply structure. Most operations now have identical call signatures... Changes are not #ifdef'd, revert to -r NO_SLAP_OP_BLOCKS if necessary to back out.
383 lines
7.2 KiB
C
383 lines
7.2 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-bdb.h"
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#include "lutil_hash.h"
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static char presence_keyval[LUTIL_HASH_BYTES] = {0,0,0,1};
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static struct berval presence_key = {LUTIL_HASH_BYTES, presence_keyval};
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static slap_mask_t index_mask(
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Backend *be,
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AttributeDescription *desc,
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struct berval *atname )
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{
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AttributeType *at;
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slap_mask_t mask = 0;
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bdb_attr_mask( be->be_private, desc, &mask );
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if( mask ) {
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*atname = desc->ad_cname;
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return mask;
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}
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/* If there is a tagging option, did we ever index the base
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* type? If so, check for mask, otherwise it's not there.
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*/
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if( slap_ad_is_tagged( desc ) && desc != desc->ad_type->sat_ad ) {
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/* has tagging option */
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bdb_attr_mask( be->be_private, desc->ad_type->sat_ad, &mask );
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if ( mask && ( mask ^ SLAP_INDEX_NOTAGS ) ) {
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*atname = desc->ad_type->sat_cname;
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return mask;
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}
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}
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/* see if supertype defined mask for its subtypes */
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for( at = desc->ad_type; at != NULL ; at = at->sat_sup ) {
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/* If no AD, we've never indexed this type */
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if ( !at->sat_ad ) continue;
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bdb_attr_mask( be->be_private, at->sat_ad, &mask );
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if ( mask && ( mask ^ SLAP_INDEX_NOSUBTYPES ) ) {
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*atname = at->sat_cname;
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return mask;
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}
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}
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return 0;
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}
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int bdb_index_is_indexed(
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Backend *be,
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AttributeDescription *desc )
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{
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slap_mask_t mask;
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struct berval prefix;
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mask = index_mask( be, desc, &prefix );
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if( mask == 0 ) {
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return LDAP_INAPPROPRIATE_MATCHING;
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}
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return LDAP_SUCCESS;
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}
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int bdb_index_param(
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Backend *be,
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AttributeDescription *desc,
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int ftype,
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DB **dbp,
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slap_mask_t *maskp,
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struct berval *prefixp )
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{
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int rc;
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slap_mask_t mask;
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DB *db;
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mask = index_mask( be, desc, prefixp );
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if( mask == 0 ) {
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return LDAP_INAPPROPRIATE_MATCHING;
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}
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rc = bdb_db_cache( be, NULL, prefixp->bv_val, &db );
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if( rc != LDAP_SUCCESS ) {
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return rc;
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}
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switch( ftype ) {
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case LDAP_FILTER_PRESENT:
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
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*prefixp = presence_key;
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goto done;
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}
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break;
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case LDAP_FILTER_APPROX:
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
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goto done;
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}
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/* fall thru */
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case LDAP_FILTER_EQUALITY:
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
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goto done;
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}
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break;
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case LDAP_FILTER_SUBSTRINGS:
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
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goto done;
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}
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break;
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default:
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return LDAP_OTHER;
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}
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return LDAP_INAPPROPRIATE_MATCHING;
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done:
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*dbp = db;
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*maskp = mask;
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return LDAP_SUCCESS;
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}
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static int indexer(
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Backend *be,
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DB_TXN *txn,
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struct berval *atname,
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BerVarray vals,
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ID id,
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int op,
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slap_mask_t mask )
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{
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int rc, i;
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const char *text;
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DB *db;
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AttributeDescription *ad = NULL;
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struct berval *keys;
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assert( mask );
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rc = bdb_db_cache( be, txn, atname->bv_val, &db );
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if ( rc != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( INDEX, ERR,
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"bdb_index_read: Could not open DB %s\n",
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atname->bv_val, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"bdb_index_read: Could not open DB %s\n",
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atname->bv_val, 0, 0 );
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#endif
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return LDAP_OTHER;
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}
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rc = slap_bv2ad( atname, &ad, &text );
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if( rc != LDAP_SUCCESS ) return rc;
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
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rc = bdb_key_change( be, db, txn, &presence_key, id, op );
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if( rc ) {
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goto done;
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}
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}
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
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rc = ad->ad_type->sat_equality->smr_indexer(
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LDAP_FILTER_EQUALITY,
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mask,
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ad->ad_type->sat_syntax,
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ad->ad_type->sat_equality,
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atname, vals, &keys );
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if( rc == LDAP_SUCCESS && keys != NULL ) {
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for( i=0; keys[i].bv_val != NULL; i++ ) {
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rc = bdb_key_change( be, db, txn, &keys[i], id, op );
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if( rc ) {
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ber_bvarray_free( keys );
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goto done;
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}
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}
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ber_bvarray_free( keys );
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}
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rc = LDAP_SUCCESS;
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}
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
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rc = ad->ad_type->sat_approx->smr_indexer(
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LDAP_FILTER_APPROX,
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mask,
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ad->ad_type->sat_syntax,
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ad->ad_type->sat_approx,
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atname, vals, &keys );
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if( rc == LDAP_SUCCESS && keys != NULL ) {
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for( i=0; keys[i].bv_val != NULL; i++ ) {
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rc = bdb_key_change( be, db, txn, &keys[i], id, op );
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if( rc ) {
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ber_bvarray_free( keys );
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goto done;
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}
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}
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ber_bvarray_free( keys );
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}
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rc = LDAP_SUCCESS;
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}
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if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
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rc = ad->ad_type->sat_substr->smr_indexer(
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LDAP_FILTER_SUBSTRINGS,
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mask,
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ad->ad_type->sat_syntax,
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ad->ad_type->sat_substr,
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atname, vals, &keys );
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if( rc == LDAP_SUCCESS && keys != NULL ) {
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for( i=0; keys[i].bv_val != NULL; i++ ) {
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bdb_key_change( be, db, txn, &keys[i], id, op );
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if( rc ) {
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ber_bvarray_free( keys );
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goto done;
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}
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}
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ber_bvarray_free( keys );
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}
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rc = LDAP_SUCCESS;
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}
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done:
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return rc;
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}
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static int index_at_values(
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Backend *be,
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DB_TXN *txn,
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AttributeType *type,
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struct berval *tags,
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BerVarray vals,
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ID id,
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int op )
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{
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int rc;
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slap_mask_t mask = 0;
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if( type->sat_sup ) {
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/* recurse */
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rc = index_at_values( be, txn,
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type->sat_sup, tags,
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vals, id, op );
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if( rc ) return rc;
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}
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/* If this type has no AD, we've never used it before */
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if( type->sat_ad ) {
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bdb_attr_mask( be->be_private, type->sat_ad, &mask );
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}
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if( mask ) {
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rc = indexer( be, txn, &type->sat_cname,
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vals, id, op,
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mask );
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if( rc ) return rc;
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}
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if( tags->bv_len ) {
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AttributeDescription *desc;
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mask = 0;
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desc = ad_find_tags( type, tags );
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if( desc ) {
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bdb_attr_mask( be->be_private, desc, &mask );
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}
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if( mask ) {
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rc = indexer( be, txn, &desc->ad_cname,
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vals, id, op,
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mask );
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if( rc ) {
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return rc;
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}
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}
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}
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return LDAP_SUCCESS;
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}
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int bdb_index_values(
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Backend *be,
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DB_TXN *txn,
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AttributeDescription *desc,
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BerVarray vals,
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ID id,
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int op )
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{
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int rc;
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rc = index_at_values( be, txn,
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desc->ad_type, &desc->ad_tags,
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vals, id, op );
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return rc;
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}
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int
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bdb_index_entry(
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Backend *be,
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DB_TXN *txn,
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int op,
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Entry *e )
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{
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int rc;
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Attribute *ap = e->e_attrs;
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#ifdef NEW_LOGGING
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LDAP_LOG( INDEX, ENTRY, "index_entry: %s (%s) %ld\n",
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op == SLAP_INDEX_ADD_OP ? "add" : "del", e->e_dn, (long) e->e_id );
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#else
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Debug( LDAP_DEBUG_TRACE, "=> index_entry_%s( %ld, \"%s\" )\n",
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op == SLAP_INDEX_ADD_OP ? "add" : "del",
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(long) e->e_id, e->e_dn );
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#endif
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/* add each attribute to the indexes */
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for ( ; ap != NULL; ap = ap->a_next ) {
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#ifdef SLAP_NVALUES
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rc = bdb_index_values( be, txn, ap->a_desc,
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ap->a_nvals, e->e_id, op );
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#else
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rc = bdb_index_values( be, txn, ap->a_desc,
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ap->a_vals, e->e_id, op );
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#endif
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if( rc != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( INDEX, ENTRY,
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"index_entry: failure (%d)\n", rc, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"<= index_entry_%s( %ld, \"%s\" ) failure\n",
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op == SLAP_INDEX_ADD_OP ? "add" : "del",
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(long) e->e_id, e->e_dn );
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#endif
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return rc;
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}
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}
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#ifdef NEW_LOGGING
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LDAP_LOG( INDEX, ENTRY, "index_entry: success\n", 0, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "<= index_entry_%s( %ld, \"%s\" ) success\n",
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op == SLAP_INDEX_ADD_OP ? "add" : "del",
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(long) e->e_id, e->e_dn );
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#endif
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return LDAP_SUCCESS;
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}
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