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

   1 /* id2children.c - routines to deal with the id2children index */
   2
   3 #include "portable.h"
   4
   5 #include <stdio.h>
   6 #include <ac/string.h>
   7
   8 #include <ac/socket.h>
   9
  10 #include "slap.h"
  11 #include "back-ldbm.h"
  12
  13 int
  14 id2children_add(
  15     Backend     *be,
  16     Entry       *p,
  17     Entry       *e
  18 )
  19 {
  20         DBCache *db;
  21         Datum           key;
  22         char            buf[20];
  23
  24         ldbm_datum_init( key );
  25
  26         Debug( LDAP_DEBUG_TRACE, "=> id2children_add( %ld, %ld )\n",
  27                p ? p->e_id : 0, e->e_id, 0 );
  28
  29         if ( (db = ldbm_cache_open( be, "id2children", LDBM_SUFFIX,
  30             LDBM_WRCREAT )) == NULL ) {
  31                 Debug( LDAP_DEBUG_ANY,
  32                     "<= id2children_add -1 could not open \"id2children%s\"\n",
  33                     LDBM_SUFFIX, 0, 0 );
  34                 return( -1 );
  35         }
  36
  37         sprintf( buf, "%c%ld", EQ_PREFIX, p ? p->e_id : 0 );
  38         key.dptr = buf;
  39         key.dsize = strlen( buf ) + 1;
  40
  41         if ( idl_insert_key( be, db, key, e->e_id ) != 0 ) {
  42                 Debug( LDAP_DEBUG_TRACE, "<= id2children_add -1 (idl_insert)\n",
  43                     0, 0, 0 );
  44                 ldbm_cache_close( be, db );
  45                 return( -1 );
  46         }
  47
  48         ldbm_cache_close( be, db );
  49
  50         Debug( LDAP_DEBUG_TRACE, "<= id2children_add 0\n", 0, 0, 0 );
  51         return( 0 );
  52 }
  53
  54
  55 int
  56 id2children_remove(
  57     Backend     *be,
  58     Entry       *p,
  59     Entry       *e
  60 )
  61 {
  62         DBCache *db;
  63         Datum           key;
  64         char            buf[20];
  65
  66         Debug( LDAP_DEBUG_TRACE, "=> id2children_remove( %ld, %ld )\n", p ? p->e_id
  67             : 0, e->e_id, 0 );
  68
  69         if ( (db = ldbm_cache_open( be, "id2children", LDBM_SUFFIX,
  70             LDBM_WRCREAT )) == NULL ) {
  71                 Debug( LDAP_DEBUG_ANY,
  72                     "<= id2children_remove -1 could not open \"id2children%s\"\n",
  73                     LDBM_SUFFIX, 0, 0 );
  74                 return( -1 );
  75         }
  76
  77         ldbm_datum_init( key );
  78         sprintf( buf, "%c%ld", EQ_PREFIX, p ? p->e_id : 0 );
  79         key.dptr = buf;
  80         key.dsize = strlen( buf ) + 1;
  81
  82         if ( idl_delete_key( be, db, key, e->e_id ) != 0 ) {
  83 #if 0
  84                 Debug( LDAP_DEBUG_ANY,
  85                         "<= id2children_remove: idl_delete_key failure\n",
  86                     0, 0, 0 );
  87                 ldbm_cache_close( be, db );
  88                 return( -1 );
  89 #else
  90                 Debug( LDAP_DEBUG_ANY,
  91                         "<= id2children_remove: ignoring idl_delete_key failure\n",
  92                     0, 0, 0 );
  93 #endif
  94         }
  95
  96         ldbm_cache_close( be, db );
  97
  98         Debug( LDAP_DEBUG_TRACE, "<= id2children_remove 0\n", 0, 0, 0 );
  99         return( 0 );
 100 }
 101
 102 int
 103 has_children(
 104     Backend     *be,
 105     Entry       *p
 106 )
 107 {
 108         DBCache *db;
 109         Datum           key;
 110         int             rc = 0;
 111         ID_BLOCK                *idl;
 112         char            buf[20];
 113
 114         ldbm_datum_init( key );
 115
 116         Debug( LDAP_DEBUG_TRACE, "=> has_children( %ld )\n", p->e_id , 0, 0 );
 117
 118         if ( (db = ldbm_cache_open( be, "id2children", LDBM_SUFFIX,
 119             LDBM_WRCREAT )) == NULL ) {
 120                 Debug( LDAP_DEBUG_ANY,
 121                     "<= has_children -1 could not open \"id2children%s\"\n",
 122                     LDBM_SUFFIX, 0, 0 );
 123                 return( 0 );
 124         }
 125
 126         sprintf( buf, "%c%ld", EQ_PREFIX, p->e_id );
 127         key.dptr = buf;
 128         key.dsize = strlen( buf ) + 1;
 129
 130         idl = idl_fetch( be, db, key );
 131
 132         ldbm_cache_close( be, db );
 133
 134         if( idl != NULL ) {
 135                 idl_free( idl );
 136                 rc = 1;
 137         }
 138
 139         Debug( LDAP_DEBUG_TRACE, "<= has_children( %ld ): %s\n",
 140                 p->e_id, rc ? "yes" : "no", 0 );
 141         return( rc );
 142 }