1 /* dn2id.c - routines to deal with the dn2id index */
3 * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/string.h>
12 #include <ac/socket.h>
15 #include "back-ldbm.h"
16 #include "proto-back-ldbm.h"
28 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
30 ldbm_datum_init( key );
31 ldbm_datum_init( data );
33 Debug( LDAP_DEBUG_TRACE, "=> dn2id_add( \"%s\", %ld )\n", dn, id, 0 );
35 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
37 Debug( LDAP_DEBUG_ANY, "Could not open/create dn2id%s\n",
44 key.dsize = strlen( key.dptr ) + 1;
46 key.dsize = strlen( dn ) + 2;
47 key.dptr = ch_malloc( key.dsize );
48 sprintf( key.dptr, "%c%s", DN_EQ_PREFIX, dn );
51 data.dptr = (char *) &id;
52 data.dsize = sizeof(ID);
55 if ( li->li_dbcachewsync ) flags |= LDBM_SYNC;
57 rc = ldbm_cache_store( db, key, data, flags );
59 ldbm_cache_close( be, db );
65 Debug( LDAP_DEBUG_TRACE, "<= dn2id_add %d\n", rc, 0, 0 );
75 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
80 ldbm_datum_init( key );
81 ldbm_datum_init( data );
83 Debug( LDAP_DEBUG_TRACE, "=> dn2id( \"%s\" )\n", dn, 0, 0 );
85 /* first check the cache */
86 if ( (id = cache_find_entry_dn2id( be, &li->li_cache, dn )) != NOID ) {
87 Debug( LDAP_DEBUG_TRACE, "<= dn2id %ld (in cache)\n", id,
92 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
94 Debug( LDAP_DEBUG_ANY, "<= dn2id could not open dn2id%s\n",
101 key.dsize = strlen( key.dptr ) + 1;
103 key.dsize = strlen( dn ) + 2;
104 key.dptr = ch_malloc( key.dsize );
105 sprintf( key.dptr, "%c%s", DN_EQ_PREFIX, dn );
108 data = ldbm_cache_fetch( db, key );
110 ldbm_cache_close( be, db );
116 if ( data.dptr == NULL ) {
117 Debug( LDAP_DEBUG_TRACE, "<= dn2id NOID\n", 0, 0, 0 );
121 (void) memcpy( (char *) &id, data.dptr, sizeof(ID) );
123 ldbm_datum_free( db->dbc_db, data );
125 Debug( LDAP_DEBUG_TRACE, "<= dn2id %ld\n", id, 0, 0 );
139 ldbm_datum_init( key );
141 Debug( LDAP_DEBUG_TRACE, "=> dn2id_delete( \"%s\" )\n", dn, 0, 0 );
143 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
145 Debug( LDAP_DEBUG_ANY,
146 "<= dn2id_delete could not open dn2id%s\n", LDBM_SUFFIX,
153 key.dsize = strlen( key.dptr ) + 1;
155 key.dsize = strlen( dn ) + 2;
156 key.dptr = ch_malloc( key.dsize );
157 sprintf( key.dptr, "%c%s", DN_EQ_PREFIX, dn );
160 rc = ldbm_cache_delete( db, key );
166 ldbm_cache_close( be, db );
168 Debug( LDAP_DEBUG_TRACE, "<= dn2id_delete %d\n", rc, 0, 0 );
173 * dn2entry - look up dn in the cache/indexes and return the corresponding
185 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
190 Debug(LDAP_DEBUG_TRACE, "dn2entry_%s: dn: \"%s\"\n",
191 rw ? "w" : "r", dn, 0);
193 if( matched != NULL ) {
194 /* caller cares about match */
198 if ( (id = dn2id( be, dn )) != NOID &&
199 (e = id2entry_rw( be, id, rw )) != NULL )
205 Debug(LDAP_DEBUG_ANY,
206 "dn2entry_%s: no entry for valid id (%ld), dn \"%s\"\n",
207 rw ? "w" : "r", id, dn);
208 /* must have been deleted from underneath us */
209 /* treat as if NOID was found */
212 /* caller doesn't care about match */
213 if( matched == NULL ) return NULL;
215 /* entry does not exist - see how much of the dn does exist */
216 /* dn_parent checks returns NULL if dn is suffix */
217 if ( (pdn = dn_parent( be, dn )) != NULL ) {
218 /* get entry with reader lock */
219 if ( (e = dn2entry_r( be, pdn, matched )) != NULL ) {