1 /* index.c - routines for dealing with attribute indexes */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2012 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
21 #include <ac/string.h>
22 #include <ac/socket.h>
26 #include "lutil_hash.h"
28 static char presence_keyval[] = {0,0,0,0,0};
29 static struct berval presence_key[2] = {BER_BVC(presence_keyval), BER_BVNULL};
31 AttrInfo *mdb_index_mask(
33 AttributeDescription *desc,
34 struct berval *atname )
37 AttrInfo *ai = mdb_attr_mask( be->be_private, desc );
40 *atname = desc->ad_cname;
44 /* If there is a tagging option, did we ever index the base
45 * type? If so, check for mask, otherwise it's not there.
47 if( slap_ad_is_tagged( desc ) && desc != desc->ad_type->sat_ad ) {
48 /* has tagging option */
49 ai = mdb_attr_mask( be->be_private, desc->ad_type->sat_ad );
51 if ( ai && !( ai->ai_indexmask & SLAP_INDEX_NOTAGS ) ) {
52 *atname = desc->ad_type->sat_cname;
57 /* see if supertype defined mask for its subtypes */
58 for( at = desc->ad_type; at != NULL ; at = at->sat_sup ) {
59 /* If no AD, we've never indexed this type */
60 if ( !at->sat_ad ) continue;
62 ai = mdb_attr_mask( be->be_private, at->sat_ad );
64 if ( ai && !( ai->ai_indexmask & SLAP_INDEX_NOSUBTYPES ) ) {
65 *atname = at->sat_cname;
73 /* This function is only called when evaluating search filters.
77 AttributeDescription *desc,
81 struct berval *prefixp )
84 slap_mask_t mask, type = 0;
86 ai = mdb_index_mask( be, desc, prefixp );
89 #ifdef MDB_MONITOR_IDX
91 case LDAP_FILTER_PRESENT:
92 type = SLAP_INDEX_PRESENT;
94 case LDAP_FILTER_APPROX:
95 type = SLAP_INDEX_APPROX;
97 case LDAP_FILTER_EQUALITY:
98 type = SLAP_INDEX_EQUALITY;
100 case LDAP_FILTER_SUBSTRINGS:
101 type = SLAP_INDEX_SUBSTR;
104 return LDAP_INAPPROPRIATE_MATCHING;
106 mdb_monitor_idx_add( be->be_private, desc, type );
107 #endif /* MDB_MONITOR_IDX */
109 return LDAP_INAPPROPRIATE_MATCHING;
111 mask = ai->ai_indexmask;
114 case LDAP_FILTER_PRESENT:
115 type = SLAP_INDEX_PRESENT;
116 if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
117 *prefixp = presence_key[0];
122 case LDAP_FILTER_APPROX:
123 type = SLAP_INDEX_APPROX;
124 if ( desc->ad_type->sat_approx ) {
125 if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
131 /* Use EQUALITY rule and index for approximate match */
134 case LDAP_FILTER_EQUALITY:
135 type = SLAP_INDEX_EQUALITY;
136 if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
141 case LDAP_FILTER_SUBSTRINGS:
142 type = SLAP_INDEX_SUBSTR;
143 if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
152 #ifdef MDB_MONITOR_IDX
153 mdb_monitor_idx_add( be->be_private, desc, type );
154 #endif /* MDB_MONITOR_IDX */
156 return LDAP_INAPPROPRIATE_MATCHING;
167 struct mdb_attrinfo *ai,
168 AttributeDescription *ad,
169 struct berval *atname,
177 MDB_cursor *mc = ai->ai_cursor;
178 mdb_idl_keyfunc *keyfunc;
185 rc = mdb_cursor_open( txn, ai->ai_dbi, &mc );
187 if ( slapMode & SLAP_TOOL_QUICK )
191 if ( opid == SLAP_INDEX_ADD_OP ) {
192 #ifdef MDB_TOOL_IDL_CACHING
193 if (( slapMode & SLAP_TOOL_QUICK ) && slap_tool_thread_max > 2 ) {
194 keyfunc = mdb_tool_idl_add;
195 mc = (MDB_cursor *)ai;
198 keyfunc = mdb_idl_insert_keys;
200 keyfunc = mdb_idl_delete_keys;
202 if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
203 rc = keyfunc( mc, presence_key, id );
210 if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
211 rc = ad->ad_type->sat_equality->smr_indexer(
212 LDAP_FILTER_EQUALITY,
214 ad->ad_type->sat_syntax,
215 ad->ad_type->sat_equality,
216 atname, vals, &keys, op->o_tmpmemctx );
218 if( rc == LDAP_SUCCESS && keys != NULL ) {
219 rc = keyfunc( mc, keys, id );
220 ber_bvarray_free_x( keys, op->o_tmpmemctx );
229 if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
230 rc = ad->ad_type->sat_approx->smr_indexer(
233 ad->ad_type->sat_syntax,
234 ad->ad_type->sat_approx,
235 atname, vals, &keys, op->o_tmpmemctx );
237 if( rc == LDAP_SUCCESS && keys != NULL ) {
238 rc = keyfunc( mc, keys, id );
239 ber_bvarray_free_x( keys, op->o_tmpmemctx );
249 if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
250 rc = ad->ad_type->sat_substr->smr_indexer(
251 LDAP_FILTER_SUBSTRINGS,
253 ad->ad_type->sat_syntax,
254 ad->ad_type->sat_substr,
255 atname, vals, &keys, op->o_tmpmemctx );
257 if( rc == LDAP_SUCCESS && keys != NULL ) {
258 rc = keyfunc( mc, keys, id );
259 ber_bvarray_free_x( keys, op->o_tmpmemctx );
270 if ( !(slapMode & SLAP_TOOL_QUICK))
271 mdb_cursor_close( mc );
273 /* The callers all know how to deal with these results */
276 /* Anything else is bad news */
283 static int index_at_values(
286 AttributeDescription *ad,
294 slap_mask_t mask = 0;
298 if ( opid == MDB_INDEX_UPDATE_OP )
299 ixop = SLAP_INDEX_ADD_OP;
301 if( type->sat_sup ) {
303 rc = index_at_values( op, txn, NULL,
310 /* If this type has no AD, we've never used it before */
312 ai = mdb_attr_mask( op->o_bd->be_private, type->sat_ad );
314 #ifdef LDAP_COMP_MATCH
315 /* component indexing */
317 ComponentReference *cr;
318 for( cr = ai->ai_cr ; cr ; cr = cr->cr_next ) {
319 rc = indexer( op, txn, ai, cr->cr_ad, &type->sat_cname,
320 cr->cr_nvals, id, ixop,
326 /* If we're updating the index, just set the new bits that aren't
327 * already in the old mask.
329 if ( opid == MDB_INDEX_UPDATE_OP )
330 mask = ai->ai_newmask & ~ai->ai_indexmask;
332 /* For regular updates, if there is a newmask use it. Otherwise
333 * just use the old mask.
335 mask = ai->ai_newmask ? ai->ai_newmask : ai->ai_indexmask;
337 rc = indexer( op, txn, ai, ad, &type->sat_cname,
338 vals, id, ixop, mask );
346 AttributeDescription *desc;
348 desc = ad_find_tags( type, tags );
350 ai = mdb_attr_mask( op->o_bd->be_private, desc );
353 if ( opid == MDB_INDEX_UPDATE_OP )
354 mask = ai->ai_newmask & ~ai->ai_indexmask;
356 mask = ai->ai_newmask ? ai->ai_newmask : ai->ai_indexmask;
358 rc = indexer( op, txn, ai, desc, &desc->ad_cname,
359 vals, id, ixop, mask );
372 int mdb_index_values(
375 AttributeDescription *desc,
382 /* Never index ID 0 */
386 rc = index_at_values( op, txn, desc,
387 desc->ad_type, &desc->ad_tags,
393 /* Get the list of which indices apply to this attr */
396 struct mdb_info *mdb,
405 if( type->sat_sup ) {
407 rc = mdb_index_recset( mdb, a, type->sat_sup, tags, ir );
410 /* If this type has no AD, we've never used it before */
412 slot = mdb_attr_slot( mdb, type->sat_ad, NULL );
414 ir[slot].ir_ai = mdb->mi_attrs[slot];
415 al = ch_malloc( sizeof( AttrList ));
417 al->next = ir[slot].ir_attrs;
418 ir[slot].ir_attrs = al;
422 AttributeDescription *desc;
424 desc = ad_find_tags( type, tags );
426 slot = mdb_attr_slot( mdb, desc, NULL );
428 ir[slot].ir_ai = mdb->mi_attrs[slot];
429 al = ch_malloc( sizeof( AttrList ));
431 al->next = ir[slot].ir_attrs;
432 ir[slot].ir_attrs = al;
439 /* Apply the indices for the recset */
440 int mdb_index_recrun(
443 struct mdb_info *mdb,
452 /* Never index ID 0 */
456 for (i=base; i<mdb->mi_nattrs; i+=slap_tool_thread_max-1) {
458 if ( !ir->ir_ai ) continue;
459 while (( al = ir->ir_attrs )) {
460 ir->ir_attrs = al->next;
461 rc = indexer( op, txn, ir->ir_ai, ir->ir_ai->ai_desc,
462 &ir->ir_ai->ai_desc->ad_type->sat_cname,
463 al->attr->a_nvals, id, SLAP_INDEX_ADD_OP,
464 ir->ir_ai->ai_indexmask );
480 Attribute *ap = e->e_attrs;
481 #if 0 /* ifdef LDAP_COMP_MATCH */
482 ComponentReference *cr_list = NULL;
483 ComponentReference *cr = NULL, *dupped_cr = NULL;
485 ComponentSyntaxInfo* csi_attr;
490 struct berval value = {0};
493 /* Never index ID 0 */
497 Debug( LDAP_DEBUG_TRACE, "=> index_entry_%s( %ld, \"%s\" )\n",
498 opid == SLAP_INDEX_DELETE_OP ? "del" : "add",
499 (long) e->e_id, e->e_dn ? e->e_dn : "" );
501 /* add each attribute to the indexes */
502 for ( ; ap != NULL; ap = ap->a_next ) {
503 #if 0 /* ifdef LDAP_COMP_MATCH */
505 /* see if attribute has components to be indexed */
506 ai = mdb_attr_mask( op->o_bd->be_private, ap->a_desc->ad_type->sat_ad );
509 if ( attr_converter && cr_list ) {
510 syn = ap->a_desc->ad_type->sat_syntax;
511 ap->a_comp_data = op->o_tmpalloc( sizeof( ComponentData ), op->o_tmpmemctx );
512 /* Memory chunk(nibble) pre-allocation for decoders */
513 mem_op = nibble_mem_allocator ( 1024*16, 1024*4 );
514 ap->a_comp_data->cd_mem_op = mem_op;
515 for( cr = cr_list ; cr ; cr = cr->cr_next ) {
516 /* count how many values in an attribute */
517 for( num_attr=0; ap->a_vals[num_attr].bv_val != NULL; num_attr++ );
519 cr->cr_nvals = (BerVarray)op->o_tmpalloc( sizeof( struct berval )*num_attr, op->o_tmpmemctx );
520 for( i=0; ap->a_vals[i].bv_val != NULL; i++ ) {
521 /* decoding attribute value */
522 decoded_comp = attr_converter ( ap, syn, &ap->a_vals[i] );
524 return LDAP_DECODING_ERROR;
525 /* extracting the referenced component */
526 dupped_cr = dup_comp_ref( op, cr );
527 csi_attr = ((ComponentSyntaxInfo*)decoded_comp)->csi_comp_desc->cd_extract_i( mem_op, dupped_cr, decoded_comp );
529 return LDAP_DECODING_ERROR;
530 cr->cr_asn_type_id = csi_attr->csi_comp_desc->cd_type_id;
531 cr->cr_ad = (AttributeDescription*)get_component_description ( cr->cr_asn_type_id );
533 return LDAP_INVALID_SYNTAX;
534 at = cr->cr_ad->ad_type;
535 /* encoding the value of component in GSER */
536 rc = component_encoder( mem_op, csi_attr, &value );
537 if ( rc != LDAP_SUCCESS )
538 return LDAP_ENCODING_ERROR;
539 /* Normalize the encoded component values */
540 if ( at->sat_equality && at->sat_equality->smr_normalize ) {
541 rc = at->sat_equality->smr_normalize (
542 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
543 at->sat_syntax, at->sat_equality,
544 &value, &cr->cr_nvals[i], op->o_tmpmemctx );
546 cr->cr_nvals[i] = value;
549 /* The end of BerVarray */
550 cr->cr_nvals[num_attr-1].bv_val = NULL;
551 cr->cr_nvals[num_attr-1].bv_len = 0;
553 op->o_tmpfree( ap->a_comp_data, op->o_tmpmemctx );
554 nibble_mem_free ( mem_op );
555 ap->a_comp_data = NULL;
558 rc = mdb_index_values( op, txn, ap->a_desc,
559 ap->a_nvals, e->e_id, opid );
561 if( rc != LDAP_SUCCESS ) {
562 Debug( LDAP_DEBUG_TRACE,
563 "<= index_entry_%s( %ld, \"%s\" ) failure\n",
564 opid == SLAP_INDEX_ADD_OP ? "add" : "del",
565 (long) e->e_id, e->e_dn );
570 Debug( LDAP_DEBUG_TRACE, "<= index_entry_%s( %ld, \"%s\" ) success\n",
571 opid == SLAP_INDEX_DELETE_OP ? "del" : "add",
572 (long) e->e_id, e->e_dn ? e->e_dn : "" );