git.sur5r.net Git - openldap/blob - servers/slapd/back-wt/operational.c

   1 /* OpenLDAP WiredTiger backend */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2002-2015 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  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>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was developed by HAMANO Tsukasa <hamano@osstech.co.jp>
  18  * based on back-bdb for inclusion in OpenLDAP Software.
  19  * WiredTiger is a product of MongoDB Inc.
  20  */
  21
  22 #include "portable.h"
  23
  24 #include <stdio.h>
  25 #include <ac/string.h>
  26
  27 #include "back-wt.h"
  28 #include "config.h"
  29
  30 int
  31 wt_hasSubordinates(
  32         Operation *op,
  33         Entry *e,
  34         int *hasSubordinates )
  35 {
  36         struct wt_info *wi = (struct wt_info *) op->o_bd->be_private;
  37         wt_ctx *wc = NULL;
  38         int rc;
  39
  40         assert( e != NULL );
  41
  42         wc = wt_ctx_get(op, wi);
  43         if( !wc ){
  44                 Debug( LDAP_DEBUG_ANY,
  45                            LDAP_XSTRING(wt_compare)
  46                            ": wt_ctx_get failed\n",
  47                            0, 0, 0 );
  48                 return LDAP_OTHER;
  49         }
  50
  51         rc = wt_dn2id_has_children(op, wc->session, e->e_id);
  52         switch(rc){
  53         case 0:
  54                 *hasSubordinates = LDAP_COMPARE_TRUE;
  55                 break;
  56         case WT_NOTFOUND:
  57                 *hasSubordinates = LDAP_COMPARE_FALSE;
  58                 rc = LDAP_SUCCESS;
  59                 break;
  60         default:
  61                 Debug(LDAP_DEBUG_ANY,
  62                           "<=- " LDAP_XSTRING(wt_hasSubordinates)
  63                           ": has_children failed: %s (%d)\n",
  64                           wiredtiger_strerror(rc), rc, 0 );
  65                 rc = LDAP_OTHER;
  66         }
  67         return rc;
  68 }
  69
  70 /*
  71  * sets the supported operational attributes (if required)
  72  */
  73 int
  74 wt_operational(
  75         Operation *op,
  76         SlapReply *rs )
  77 {
  78         Attribute   **ap;
  79
  80         assert( rs->sr_entry != NULL );
  81
  82         for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next ) {
  83                 if ( (*ap)->a_desc == slap_schema.si_ad_hasSubordinates ) {
  84                         break;
  85                 }
  86         }
  87
  88         if ( *ap == NULL &&
  89                  attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_hasSubordinates ) == NULL &&
  90                  ( SLAP_OPATTRS( rs->sr_attr_flags ) ||
  91                    ad_inlist( slap_schema.si_ad_hasSubordinates, rs->sr_attrs ) ) )
  92         {
  93                 int hasSubordinates, rc;
  94
  95                 rc = wt_hasSubordinates( op, rs->sr_entry, &hasSubordinates );
  96                 if ( rc == LDAP_SUCCESS ) {
  97                         *ap = slap_operational_hasSubordinate( hasSubordinates == LDAP_COMPARE_TRUE );
  98                         assert( *ap != NULL );
  99
 100                         ap = &(*ap)->a_next;
 101                 }
 102         }
 103
 104         return LDAP_SUCCESS;
 105 }
 106
 107 /*
 108  * Local variables:
 109  * indent-tabs-mode: t
 110  * tab-width: 4
 111  * c-basic-offset: 4
 112  * End:
 113  */