1 /* dn2id.c - routines to deal with the dn2id index */
4 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/string.h>
13 #include <ac/socket.h>
16 #include "back-ldbm.h"
17 #include "proto-back-ldbm.h"
29 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
32 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
33 "dn2id_add: (%s):%ld\n", dn, id ));
35 Debug( LDAP_DEBUG_TRACE, "=> dn2id_add( \"%s\", %ld )\n", dn, id, 0 );
40 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
43 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
44 "dn2id_add: couldn't open/create dn2id%s\n", LDBM_SUFFIX ));
46 Debug( LDAP_DEBUG_ANY, "Could not open/create dn2id%s\n",
53 ldbm_datum_init( key );
54 key.dsize = strlen( dn ) + 2;
55 key.dptr = ch_malloc( key.dsize );
56 sprintf( key.dptr, "%c%s", DN_BASE_PREFIX, dn );
58 ldbm_datum_init( data );
59 data.dptr = (char *) &id;
60 data.dsize = sizeof(ID);
63 rc = ldbm_cache_store( db, key, data, flags );
68 char *pdn = dn_parent( NULL, dn );
71 ldbm_datum_init( key );
72 key.dsize = strlen( pdn ) + 2;
73 key.dptr = ch_malloc( key.dsize );
74 sprintf( key.dptr, "%c%s", DN_ONE_PREFIX, pdn );
75 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
76 rc = idl_insert_key( be, db, key, id );
77 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
84 char **subtree = dn_subtree( NULL, dn );
86 if( subtree != NULL ) {
88 for( i=0; subtree[i] != NULL; i++ ) {
89 ldbm_datum_init( key );
90 key.dsize = strlen( subtree[i] ) + 2;
91 key.dptr = ch_malloc( key.dsize );
92 sprintf( key.dptr, "%c%s",
93 DN_SUBTREE_PREFIX, subtree[i] );
94 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
95 rc = idl_insert_key( be, db, key, id );
96 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
102 charray_free( subtree );
106 ldbm_cache_close( be, db );
109 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
110 "dn2id_add: return %d\n", rc ));
112 Debug( LDAP_DEBUG_TRACE, "<= dn2id_add %d\n", rc, 0, 0 );
125 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
130 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
131 "dn2id: (%s)\n", dn ));
133 Debug( LDAP_DEBUG_TRACE, "=> dn2id( \"%s\" )\n", dn, 0, 0 );
138 /* first check the cache */
139 if ( (*idp = cache_find_entry_ndn2id( be, &li->li_cache, dn )) != NOID ) {
141 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
142 "dn2id: (%s)%ld in cache.\n", dn, *idp ));
144 Debug( LDAP_DEBUG_TRACE, "<= dn2id %ld (in cache)\n", *idp,
151 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
154 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
155 "dn2id: couldn't open dn2id%s\n", LDBM_SUFFIX ));
157 Debug( LDAP_DEBUG_ANY, "<= dn2id could not open dn2id%s\n",
161 * return code !0 if ldbm cache open failed;
162 * callers should handle this
168 ldbm_datum_init( key );
170 key.dsize = strlen( dn ) + 2;
171 key.dptr = ch_malloc( key.dsize );
172 sprintf( key.dptr, "%c%s", DN_BASE_PREFIX, dn );
174 data = ldbm_cache_fetch( db, key );
176 ldbm_cache_close( be, db );
180 if ( data.dptr == NULL ) {
182 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
183 "dn2id: (%s) NOID\n", dn ));
185 Debug( LDAP_DEBUG_TRACE, "<= dn2id NOID\n", 0, 0, 0 );
192 AC_MEMCPY( (char *) idp, data.dptr, sizeof(ID) );
194 assert( *idp != NOID );
196 ldbm_datum_free( db->dbc_db, data );
199 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
200 "dn2id: %ld\n", *idp ));
202 Debug( LDAP_DEBUG_TRACE, "<= dn2id %ld\n", *idp, 0, 0 );
220 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
221 "dn2idl: \"%c%s\"\n", prefix, dn ));
223 Debug( LDAP_DEBUG_TRACE, "=> dn2idl( \"%c%s\" )\n", prefix, dn, 0 );
226 assert( idlp != NULL );
229 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
232 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
233 "dn2idl: could not open dn2id%s\n", LDBM_SUFFIX ));
235 Debug( LDAP_DEBUG_ANY, "<= dn2idl could not open dn2id%s\n",
242 ldbm_datum_init( key );
244 key.dsize = strlen( dn ) + 2;
245 key.dptr = ch_malloc( key.dsize );
246 sprintf( key.dptr, "%c%s", prefix, dn );
248 *idlp = idl_fetch( be, db, key );
250 ldbm_cache_close( be, db );
270 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
271 "dn2id_delete: (%s)%ld\n", dn, id ));
273 Debug( LDAP_DEBUG_TRACE, "=> dn2id_delete( \"%s\", %ld )\n", dn, id, 0 );
277 assert( id != NOID );
279 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
282 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
283 "dn2id_delete: couldn't open db2id%s\n", LDBM_SUFFIX ));
285 Debug( LDAP_DEBUG_ANY,
286 "<= dn2id_delete could not open dn2id%s\n", LDBM_SUFFIX,
295 char *pdn = dn_parent( NULL, dn );
298 ldbm_datum_init( key );
299 key.dsize = strlen( pdn ) + 2;
300 key.dptr = ch_malloc( key.dsize );
301 sprintf( key.dptr, "%c%s", DN_ONE_PREFIX, pdn );
303 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
304 (void) idl_delete_key( be, db, key, id );
305 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
313 char **subtree = dn_subtree( NULL, dn );
315 if( subtree != NULL ) {
317 for( i=0; subtree[i] != NULL; i++ ) {
318 ldbm_datum_init( key );
319 key.dsize = strlen( subtree[i] ) + 2;
320 key.dptr = ch_malloc( key.dsize );
321 sprintf( key.dptr, "%c%s",
322 DN_SUBTREE_PREFIX, subtree[i] );
324 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
325 (void) idl_delete_key( be, db, key, id );
326 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
331 charray_free( subtree );
335 ldbm_datum_init( key );
337 key.dsize = strlen( dn ) + 2;
338 key.dptr = ch_malloc( key.dsize );
339 sprintf( key.dptr, "%c%s", DN_BASE_PREFIX, dn );
341 rc = ldbm_cache_delete( db, key );
345 ldbm_cache_close( be, db );
348 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
349 "dn2id_delete: return %d\n", rc ));
351 Debug( LDAP_DEBUG_TRACE, "<= dn2id_delete %d\n", rc, 0, 0 );
358 * dn2entry - look up dn in the cache/indexes and return the corresponding
375 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
376 "dn2entry_rw: %s entry %s\n", rw ? "w" : "r",
379 Debug(LDAP_DEBUG_TRACE, "dn2entry_%s: dn: \"%s\"\n",
380 rw ? "w" : "r", dn, 0);
384 if( matched != NULL ) {
385 /* caller cares about match */
389 if ( dn2id( be, dn, &id ) ) {
390 /* something bad happened to ldbm cache */
393 } else if ( id != NOID ) {
394 /* try to return the entry */
395 if ((e = id2entry_rw( be, id, rw )) != NULL ) {
400 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
401 "dn2entry_rw: no entry for valid id (%ld), dn (%s)\n",
404 Debug(LDAP_DEBUG_ANY,
405 "dn2entry_%s: no entry for valid id (%ld), dn \"%s\"\n",
406 rw ? "w" : "r", id, dn);
409 /* must have been deleted from underneath us */
410 /* treat as if NOID was found */
413 /* caller doesn't care about match */
414 if( matched == NULL ) return NULL;
416 /* entry does not exist - see how much of the dn does exist */
417 /* dn_parent checks returns NULL if dn is suffix */
418 if ( (pdn = dn_parent( be, dn )) != NULL ) {
419 /* get entry with reader lock */
420 if ( (e = dn2entry_r( be, pdn, matched )) != NULL ) {