]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-bdb/index.c
implement support for selective iteration in slaptools (ITS#6442)
[openldap] / servers / slapd / back-bdb / index.c
index 25f6f0099eca691e8287372804faca5b8b30deb7..3d52d6c050532df9dd0cb3b01e0cadbe9ba1912d 100644 (file)
@@ -1,8 +1,17 @@
 /* index.c - routines for dealing with attribute indexes */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2009 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>.
  */
 
 #include "portable.h"
 #include "back-bdb.h"
 #include "lutil_hash.h"
 
-static char presence_keyval[LUTIL_HASH_BYTES] = {0,0,0,1};
-static struct berval presence_key = {LUTIL_HASH_BYTES, presence_keyval};
+static char presence_keyval[] = {0,0};
+static struct berval presence_key = BER_BVC(presence_keyval);
 
-static slap_mask_t index_mask(
+AttrInfo *bdb_index_mask(
        Backend *be,
        AttributeDescription *desc,
        struct berval *atname )
 {
        AttributeType *at;
-       slap_mask_t mask = 0;
-
-       bdb_attr_mask( be->be_private, desc, &mask );
+       AttrInfo *ai = bdb_attr_mask( be->be_private, desc );
 
-       if( mask ) {
+       if( ai ) {
                *atname = desc->ad_cname;
-               return mask;
+               return ai;
        }
 
        /* If there is a tagging option, did we ever index the base
@@ -39,11 +46,11 @@ static slap_mask_t index_mask(
         */
        if( slap_ad_is_tagged( desc ) && desc != desc->ad_type->sat_ad ) {
                /* has tagging option */
-               bdb_attr_mask( be->be_private, desc->ad_type->sat_ad, &mask );
+               ai = bdb_attr_mask( be->be_private, desc->ad_type->sat_ad );
 
-               if ( mask && ( mask ^ SLAP_INDEX_NOTAGS ) ) {
+               if ( ai && !( ai->ai_indexmask & SLAP_INDEX_NOTAGS ) ) {
                        *atname = desc->ad_type->sat_cname;
-                       return mask;
+                       return ai;
                }
        }
 
@@ -52,33 +59,19 @@ static slap_mask_t index_mask(
                /* If no AD, we've never indexed this type */
                if ( !at->sat_ad ) continue;
 
-               bdb_attr_mask( be->be_private, at->sat_ad, &mask );
+               ai = bdb_attr_mask( be->be_private, at->sat_ad );
 
-               if ( mask && ( mask ^ SLAP_INDEX_NOSUBTYPES ) ) {
+               if ( ai && !( ai->ai_indexmask & SLAP_INDEX_NOSUBTYPES ) ) {
                        *atname = at->sat_cname;
-                       return mask;
+                       return ai;
                }
        }
 
        return 0;
 }
 
-int bdb_index_is_indexed(
-       Backend *be,
-       AttributeDescription *desc )
-{
-       slap_mask_t mask;
-       struct berval prefix;
-
-       mask = index_mask( be, desc, &prefix );
-
-       if( mask == 0 ) {
-               return LDAP_INAPPROPRIATE_MATCHING;
-       }
-
-       return LDAP_SUCCESS;
-}
-
+/* This function is only called when evaluating search filters.
+ */
 int bdb_index_param(
        Backend *be,
        AttributeDescription *desc,
@@ -87,17 +80,39 @@ int bdb_index_param(
        slap_mask_t *maskp,
        struct berval *prefixp )
 {
+       AttrInfo *ai;
        int rc;
-       slap_mask_t mask;
+       slap_mask_t mask, type = 0;
        DB *db;
 
-       mask = index_mask( be, desc, prefixp );
+       ai = bdb_index_mask( be, desc, prefixp );
+
+       if ( !ai ) {
+#ifdef BDB_MONITOR_IDX
+               switch ( ftype ) {
+               case LDAP_FILTER_PRESENT:
+                       type = SLAP_INDEX_PRESENT;
+                       break;
+               case LDAP_FILTER_APPROX:
+                       type = SLAP_INDEX_APPROX;
+                       break;
+               case LDAP_FILTER_EQUALITY:
+                       type = SLAP_INDEX_EQUALITY;
+                       break;
+               case LDAP_FILTER_SUBSTRINGS:
+                       type = SLAP_INDEX_SUBSTR;
+                       break;
+               default:
+                       return LDAP_INAPPROPRIATE_MATCHING;
+               }
+               bdb_monitor_idx_add( be->be_private, desc, type );
+#endif /* BDB_MONITOR_IDX */
 
-       if( mask == 0 ) {
                return LDAP_INAPPROPRIATE_MATCHING;
        }
+       mask = ai->ai_indexmask;
 
-       rc = bdb_db_cache( be, NULL, prefixp->bv_val, &db );
+       rc = bdb_db_cache( be, prefixp, &db );
 
        if( rc != LDAP_SUCCESS ) {
                return rc;
@@ -105,6 +120,7 @@ int bdb_index_param(
 
        switch( ftype ) {
        case LDAP_FILTER_PRESENT:
+               type = SLAP_INDEX_PRESENT;
                if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
                        *prefixp = presence_key;
                        goto done;
@@ -112,18 +128,26 @@ int bdb_index_param(
                break;
 
        case LDAP_FILTER_APPROX:
-               if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
-                       goto done;
+               type = SLAP_INDEX_APPROX;
+               if ( desc->ad_type->sat_approx ) {
+                       if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
+                               goto done;
+                       }
+                       break;
                }
+
+               /* Use EQUALITY rule and index for approximate match */
                /* fall thru */
 
        case LDAP_FILTER_EQUALITY:
+               type = SLAP_INDEX_EQUALITY;
                if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
                        goto done;
                }
                break;
 
        case LDAP_FILTER_SUBSTRINGS:
+               type = SLAP_INDEX_SUBSTR;
                if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
                        goto done;
                }
@@ -133,6 +157,10 @@ int bdb_index_param(
                return LDAP_OTHER;
        }
 
+#ifdef BDB_MONITOR_IDX
+       bdb_monitor_idx_add( be->be_private, desc, type );
+#endif /* BDB_MONITOR_IDX */
+
        return LDAP_INAPPROPRIATE_MATCHING;
 
 done:
@@ -144,6 +172,7 @@ done:
 static int indexer(
        Operation *op,
        DB_TXN *txn,
+       AttributeDescription *ad,
        struct berval *atname,
        BerVarray vals,
        ID id,
@@ -151,34 +180,20 @@ static int indexer(
        slap_mask_t mask )
 {
        int rc, i;
-       const char *text;
        DB *db;
-       AttributeDescription *ad = NULL;
        struct berval *keys;
-       void *mark;
 
-       assert( mask );
+       assert( mask != 0 );
 
-       rc = bdb_db_cache( op->o_bd, txn, atname->bv_val, &db );
+       rc = bdb_db_cache( op->o_bd, atname, &db );
        
        if ( rc != LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( INDEX, ERR, 
-                       "bdb_index_read: Could not open DB %s\n",
-                       atname->bv_val, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY,
                        "bdb_index_read: Could not open DB %s\n",
                        atname->bv_val, 0, 0 );
-#endif
                return LDAP_OTHER;
        }
 
-       rc = slap_bv2ad( atname, &ad, &text );
-       if( rc != LDAP_SUCCESS ) return rc;
-
-       mark = sl_mark(op->o_tmpmemctx);
-
        if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
                rc = bdb_key_change( op->o_bd, db, txn, &presence_key, id, opid );
                if( rc ) {
@@ -198,7 +213,7 @@ static int indexer(
                        for( i=0; keys[i].bv_val != NULL; i++ ) {
                                rc = bdb_key_change( op->o_bd, db, txn, &keys[i], id, opid );
                                if( rc ) {
-                                       ber_bvarray_free( keys );
+                                       ber_bvarray_free_x( keys, op->o_tmpmemctx );
                                        goto done;
                                }
                        }
@@ -219,7 +234,7 @@ static int indexer(
                        for( i=0; keys[i].bv_val != NULL; i++ ) {
                                rc = bdb_key_change( op->o_bd, db, txn, &keys[i], id, opid );
                                if( rc ) {
-                                       ber_bvarray_free( keys );
+                                       ber_bvarray_free_x( keys, op->o_tmpmemctx );
                                        goto done;
                                }
                        }
@@ -239,9 +254,9 @@ static int indexer(
 
                if( rc == LDAP_SUCCESS && keys != NULL ) {
                        for( i=0; keys[i].bv_val != NULL; i++ ) {
-                               bdb_key_change( op->o_bd, db, txn, &keys[i], id, opid );
+                               rc = bdb_key_change( op->o_bd, db, txn, &keys[i], id, opid );
                                if( rc ) {
-                                       ber_bvarray_free( keys );
+                                       ber_bvarray_free_x( keys, op->o_tmpmemctx );
                                        goto done;
                                }
                        }
@@ -252,13 +267,23 @@ static int indexer(
        }
 
 done:
-       sl_release( mark, op->o_tmpmemctx );
+       switch( rc ) {
+       /* The callers all know how to deal with these results */
+       case 0:
+       case DB_LOCK_DEADLOCK:
+       case DB_LOCK_NOTGRANTED:
+               break;
+       /* Anything else is bad news */
+       default:
+               rc = LDAP_OTHER;
+       }
        return rc;
 }
 
 static int index_at_values(
        Operation *op,
        DB_TXN *txn,
+       AttributeDescription *ad,
        AttributeType *type,
        struct berval *tags,
        BerVarray vals,
@@ -267,10 +292,15 @@ static int index_at_values(
 {
        int rc;
        slap_mask_t mask = 0;
+       int ixop = opid;
+       AttrInfo *ai = NULL;
+
+       if ( opid == BDB_INDEX_UPDATE_OP )
+               ixop = SLAP_INDEX_ADD_OP;
 
        if( type->sat_sup ) {
                /* recurse */
-               rc = index_at_values( op, txn,
+               rc = index_at_values( op, txn, NULL,
                        type->sat_sup, tags,
                        vals, id, opid );
 
@@ -279,34 +309,59 @@ static int index_at_values(
 
        /* If this type has no AD, we've never used it before */
        if( type->sat_ad ) {
-               bdb_attr_mask( op->o_bd->be_private, type->sat_ad, &mask );
-       }
-
-       if( mask ) {
-               rc = indexer( op, txn, &type->sat_cname,
-                       vals, id, opid,
-                       mask );
-
-               if( rc ) return rc;
+               ai = bdb_attr_mask( op->o_bd->be_private, type->sat_ad );
+               if ( ai ) {
+#ifdef LDAP_COMP_MATCH
+                       /* component indexing */
+                       if ( ai->ai_cr ) {
+                               ComponentReference *cr;
+                               for( cr = ai->ai_cr ; cr ; cr = cr->cr_next ) {
+                                       rc = indexer( op, txn, cr->cr_ad, &type->sat_cname,
+                                               cr->cr_nvals, id, ixop,
+                                               cr->cr_indexmask );
+                               }
+                       }
+#endif
+                       ad = type->sat_ad;
+                       /* If we're updating the index, just set the new bits that aren't
+                        * already in the old mask.
+                        */
+                       if ( opid == BDB_INDEX_UPDATE_OP )
+                               mask = ai->ai_newmask & ~ai->ai_indexmask;
+                       else
+                       /* For regular updates, if there is a newmask use it. Otherwise
+                        * just use the old mask.
+                        */
+                               mask = ai->ai_newmask ? ai->ai_newmask : ai->ai_indexmask;
+                       if( mask ) {
+                               rc = indexer( op, txn, ad, &type->sat_cname,
+                                       vals, id, ixop, mask );
+
+                               if( rc ) return rc;
+                       }
+               }
        }
 
        if( tags->bv_len ) {
                AttributeDescription *desc;
 
-               mask = 0;
-
                desc = ad_find_tags( type, tags );
                if( desc ) {
-                       bdb_attr_mask( op->o_bd->be_private, desc, &mask );
-               }
-
-               if( mask ) {
-                       rc = indexer( op, txn, &desc->ad_cname,
-                               vals, id, opid,
-                               mask );
-
-                       if( rc ) {
-                               return rc;
+                       ai = bdb_attr_mask( op->o_bd->be_private, desc );
+
+                       if( ai ) {
+                               if ( opid == BDB_INDEX_UPDATE_OP )
+                                       mask = ai->ai_newmask & ~ai->ai_indexmask;
+                               else
+                                       mask = ai->ai_newmask ? ai->ai_newmask : ai->ai_indexmask;
+                               if ( mask ) {
+                                       rc = indexer( op, txn, desc, &desc->ad_cname,
+                                               vals, id, ixop, mask );
+
+                                       if( rc ) {
+                                               return rc;
+                                       }
+                               }
                        }
                }
        }
@@ -324,13 +379,95 @@ int bdb_index_values(
 {
        int rc;
 
-       rc = index_at_values( op, txn,
+       /* Never index ID 0 */
+       if ( id == 0 )
+               return 0;
+
+       rc = index_at_values( op, txn, desc,
                desc->ad_type, &desc->ad_tags,
                vals, id, opid );
 
        return rc;
 }
 
+/* Get the list of which indices apply to this attr */
+int
+bdb_index_recset(
+       struct bdb_info *bdb,
+       Attribute *a,
+       AttributeType *type,
+       struct berval *tags,
+       IndexRec *ir )
+{
+       int rc, slot;
+       AttrList *al;
+
+       if( type->sat_sup ) {
+               /* recurse */
+               rc = bdb_index_recset( bdb, a, type->sat_sup, tags, ir );
+               if( rc ) return rc;
+       }
+       /* If this type has no AD, we've never used it before */
+       if( type->sat_ad ) {
+               slot = bdb_attr_slot( bdb, type->sat_ad, NULL );
+               if ( slot >= 0 ) {
+                       ir[slot].ai = bdb->bi_attrs[slot];
+                       al = ch_malloc( sizeof( AttrList ));
+                       al->attr = a;
+                       al->next = ir[slot].attrs;
+                       ir[slot].attrs = al;
+               }
+       }
+       if( tags->bv_len ) {
+               AttributeDescription *desc;
+
+               desc = ad_find_tags( type, tags );
+               if( desc ) {
+                       slot = bdb_attr_slot( bdb, desc, NULL );
+                       if ( slot >= 0 ) {
+                               ir[slot].ai = bdb->bi_attrs[slot];
+                               al = ch_malloc( sizeof( AttrList ));
+                               al->attr = a;
+                               al->next = ir[slot].attrs;
+                               ir[slot].attrs = al;
+                       }
+               }
+       }
+       return LDAP_SUCCESS;
+}
+
+/* Apply the indices for the recset */
+int bdb_index_recrun(
+       Operation *op,
+       struct bdb_info *bdb,
+       IndexRec *ir0,
+       ID id,
+       int base )
+{
+       IndexRec *ir;
+       AttrList *al;
+       int i, rc = 0;
+
+       /* Never index ID 0 */
+       if ( id == 0 )
+               return 0;
+
+       for (i=base; i<bdb->bi_nattrs; i+=slap_tool_thread_max) {
+               ir = ir0 + i;
+               if ( !ir->ai ) continue;
+               while (( al = ir->attrs )) {
+                       ir->attrs = al->next;
+                       rc = indexer( op, NULL, ir->ai->ai_desc,
+                               &ir->ai->ai_desc->ad_type->sat_cname,
+                               al->attr->a_nvals, id, SLAP_INDEX_ADD_OP,
+                               ir->ai->ai_indexmask );
+                       free( al );
+                       if ( rc ) break;
+               }
+       }
+       return rc;
+}
+
 int
 bdb_index_entry(
        Operation *op,
@@ -340,42 +477,98 @@ bdb_index_entry(
 {
        int rc;
        Attribute *ap = e->e_attrs;
+#if 0 /* ifdef LDAP_COMP_MATCH */
+       ComponentReference *cr_list = NULL;
+       ComponentReference *cr = NULL, *dupped_cr = NULL;
+       void* decoded_comp;
+       ComponentSyntaxInfo* csi_attr;
+       Syntax* syn;
+       AttributeType* at;
+       int i, num_attr;
+       void* mem_op;
+       struct berval value = {0};
+#endif
+
+       /* Never index ID 0 */
+       if ( e->e_id == 0 )
+               return 0;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( INDEX, ENTRY, "index_entry: %s (%s) %ld\n",
-               opid == SLAP_INDEX_ADD_OP ? "add" : "del", e->e_dn, (long) e->e_id );
-#else
        Debug( LDAP_DEBUG_TRACE, "=> index_entry_%s( %ld, \"%s\" )\n",
-               opid == SLAP_INDEX_ADD_OP ? "add" : "del",
+               opid == SLAP_INDEX_DELETE_OP ? "del" : "add",
                (long) e->e_id, e->e_dn );
-#endif
 
        /* add each attribute to the indexes */
        for ( ; ap != NULL; ap = ap->a_next ) {
+#if 0 /* ifdef LDAP_COMP_MATCH */
+               AttrInfo *ai;
+               /* see if attribute has components to be indexed */
+               ai = bdb_attr_mask( op->o_bd->be_private, ap->a_desc->ad_type->sat_ad );
+               if ( !ai ) continue;
+               cr_list = ai->ai_cr;
+               if ( attr_converter && cr_list ) {
+                       syn = ap->a_desc->ad_type->sat_syntax;
+                       ap->a_comp_data = op->o_tmpalloc( sizeof( ComponentData ), op->o_tmpmemctx );
+                       /* Memory chunk(nibble) pre-allocation for decoders */
+                       mem_op = nibble_mem_allocator ( 1024*16, 1024*4 );
+                       ap->a_comp_data->cd_mem_op = mem_op;
+                       for( cr = cr_list ; cr ; cr = cr->cr_next ) {
+                               /* count how many values in an attribute */
+                               for( num_attr=0; ap->a_vals[num_attr].bv_val != NULL; num_attr++ );
+                               num_attr++;
+                               cr->cr_nvals = (BerVarray)op->o_tmpalloc( sizeof( struct berval )*num_attr, op->o_tmpmemctx );
+                               for( i=0; ap->a_vals[i].bv_val != NULL; i++ ) {
+                                       /* decoding attribute value */
+                                       decoded_comp = attr_converter ( ap, syn, &ap->a_vals[i] );
+                                       if ( !decoded_comp )
+                                               return LDAP_DECODING_ERROR;
+                                       /* extracting the referenced component */
+                                       dupped_cr = dup_comp_ref( op, cr );
+                                       csi_attr = ((ComponentSyntaxInfo*)decoded_comp)->csi_comp_desc->cd_extract_i( mem_op, dupped_cr, decoded_comp );
+                                       if ( !csi_attr )
+                                               return LDAP_DECODING_ERROR;
+                                       cr->cr_asn_type_id = csi_attr->csi_comp_desc->cd_type_id;
+                                       cr->cr_ad = (AttributeDescription*)get_component_description ( cr->cr_asn_type_id );
+                                       if ( !cr->cr_ad )
+                                               return LDAP_INVALID_SYNTAX;
+                                       at = cr->cr_ad->ad_type;
+                                       /* encoding the value of component in GSER */
+                                       rc = component_encoder( mem_op, csi_attr, &value );
+                                       if ( rc != LDAP_SUCCESS )
+                                               return LDAP_ENCODING_ERROR;
+                                       /* Normalize the encoded component values */
+                                       if ( at->sat_equality && at->sat_equality->smr_normalize ) {
+                                               rc = at->sat_equality->smr_normalize (
+                                                       SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+                                                       at->sat_syntax, at->sat_equality,
+                                                       &value, &cr->cr_nvals[i], op->o_tmpmemctx );
+                                       } else {
+                                               cr->cr_nvals[i] = value;
+                                       }
+                               }
+                               /* The end of BerVarray */
+                               cr->cr_nvals[num_attr-1].bv_val = NULL;
+                               cr->cr_nvals[num_attr-1].bv_len = 0;
+                       }
+                       op->o_tmpfree( ap->a_comp_data, op->o_tmpmemctx );
+                       nibble_mem_free ( mem_op );
+                       ap->a_comp_data = NULL;
+               }
+#endif
                rc = bdb_index_values( op, txn, ap->a_desc,
                        ap->a_nvals, e->e_id, opid );
 
                if( rc != LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( INDEX, ENTRY, 
-                               "index_entry: failure (%d)\n", rc, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_TRACE,
                                "<= index_entry_%s( %ld, \"%s\" ) failure\n",
                                opid == SLAP_INDEX_ADD_OP ? "add" : "del",
                                (long) e->e_id, e->e_dn );
-#endif
                        return rc;
                }
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( INDEX, ENTRY, "index_entry: success\n", 0, 0, 0  );
-#else
        Debug( LDAP_DEBUG_TRACE, "<= index_entry_%s( %ld, \"%s\" ) success\n",
-               opid == SLAP_INDEX_ADD_OP ? "add" : "del",
+               opid == SLAP_INDEX_DELETE_OP ? "del" : "add",
                (long) e->e_id, e->e_dn );
-#endif
 
        return LDAP_SUCCESS;
 }