git.sur5r.net Git - openldap/blob - servers/slapd/back-ldbm/id2children.c

   1 /* id2children.c - routines to deal with the id2children index */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11 #include <ac/string.h>
  12
  13 #include <ac/socket.h>
  14
  15 #include "slap.h"
  16 #include "back-ldbm.h"
  17
  18
  19 int
  20 has_children(
  21     Backend     *be,
  22     Entry       *p
  23 )
  24 {
  25         DBCache *db;
  26         Datum           key;
  27         int             rc = 0;
  28         ID_BLOCK                *idl;
  29
  30         ldbm_datum_init( key );
  31
  32 #ifdef NEW_LOGGING
  33         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
  34                    "has_children: enter %ld\n", p->e_id ));
  35 #else
  36         Debug( LDAP_DEBUG_TRACE, "=> has_children( %ld )\n", p->e_id , 0, 0 );
  37 #endif
  38
  39
  40         if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX,
  41             LDBM_WRCREAT )) == NULL ) {
  42 #ifdef NEW_LOGGING
  43                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
  44                            "has_children: could not open \"dn2id%s\"\n",
  45                            LDBM_SUFFIX ));
  46 #else
  47                 Debug( LDAP_DEBUG_ANY,
  48                     "<= has_children -1 could not open \"dn2id%s\"\n",
  49                     LDBM_SUFFIX, 0, 0 );
  50 #endif
  51
  52                 return( 0 );
  53         }
  54
  55         key.dsize = strlen( p->e_ndn ) + 2;
  56         key.dptr = ch_malloc( key.dsize );
  57         sprintf( key.dptr, "%c%s", DN_ONE_PREFIX, p->e_ndn );
  58
  59         idl = idl_fetch( be, db, key );
  60
  61         free( key.dptr );
  62
  63         ldbm_cache_close( be, db );
  64
  65         if( idl != NULL ) {
  66                 idl_free( idl );
  67                 rc = 1;
  68         }
  69
  70 #ifdef NEW_LOGGING
  71         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
  72                    "has_children: id (%ld) %s children.\n",
  73                    p->e_id, rc ? "has" : "doesn't have" ));
  74 #else
  75         Debug( LDAP_DEBUG_TRACE, "<= has_children( %ld ): %s\n",
  76                 p->e_id, rc ? "yes" : "no", 0 );
  77 #endif
  78
  79         return( rc );
  80 }