/* dn2id.c - routines to deal with the dn2id index */
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
#include "portable.h"
int
dn2id_add(
Backend *be,
- char *dn,
+ const char *dn,
ID id
)
{
int rc, flags;
- struct dbcache *db;
+ DBCache *db;
Datum key, data;
- struct ldbminfo *li = (struct ldbminfo *) be->be_private;
-
- ldbm_datum_init( key );
- ldbm_datum_init( data );
+ char *buf, *ptr, *pdn;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "dn2id_add: (%s):%ld\n", dn, id ));
+#else
Debug( LDAP_DEBUG_TRACE, "=> dn2id_add( \"%s\", %ld )\n", dn, id, 0 );
+#endif
+
+ assert( id != NOID );
if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
== NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "dn2id_add: couldn't open/create dn2id%s\n", LDBM_SUFFIX ));
+#else
Debug( LDAP_DEBUG_ANY, "Could not open/create dn2id%s\n",
LDBM_SUFFIX, 0, 0 );
+#endif
+
return( -1 );
}
- dn = ch_strdup( dn );
- dn_normalize_case( dn );
+ ldbm_datum_init( key );
+ key.dsize = strlen( dn ) + 2;
+ buf = ch_malloc( key.dsize );
+ key.dptr = buf;
+ buf[0] = DN_BASE_PREFIX;
+ ptr = buf + 1;
+ strcpy( ptr, dn );
- key.dptr = dn;
- key.dsize = strlen( dn ) + 1;
+ ldbm_datum_init( data );
data.dptr = (char *) &id;
data.dsize = sizeof(ID);
flags = LDBM_INSERT;
- if ( li->li_dbcachewsync ) flags |= LDBM_SYNC;
-
rc = ldbm_cache_store( db, key, data, flags );
- free( dn );
+ if ( rc != -1 && !be_issuffix( be, ptr )) {
+ buf[0] = DN_SUBTREE_PREFIX;
+ ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
+ rc = idl_insert_key( be, db, key, id );
+ ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
+ }
+
+ if ( rc != -1 ) {
+ pdn = dn_parent( be, ptr );
+
+ if( pdn != NULL ) {
+ pdn[-1] = DN_ONE_PREFIX;
+ key.dsize -= pdn - ptr;
+ key.dptr = pdn - 1;
+ ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
+ rc = idl_insert_key( be, db, key, id );
+ ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
+ }
+ }
+
+ while ( rc != -1 && pdn != NULL ) {
+ if ( be_issuffix( be, pdn ))
+ break;
+
+ pdn[-1] = DN_SUBTREE_PREFIX;
+
+ ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
+ rc = idl_insert_key( be, db, key, id );
+ ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
+
+ if( rc != 0 ) break;
+ ptr = pdn;
+ pdn = dn_parent( be, pdn );
+ key.dsize -= pdn - ptr;
+ key.dptr = pdn - 1;
+ }
+
+ free( buf );
ldbm_cache_close( be, db );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "dn2id_add: return %d\n", rc ));
+#else
Debug( LDAP_DEBUG_TRACE, "<= dn2id_add %d\n", rc, 0, 0 );
+#endif
+
return( rc );
}
-ID
+int
dn2id(
Backend *be,
- char *dn
+ const char *dn,
+ ID *idp
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
- struct dbcache *db;
- ID id;
+ DBCache *db;
Datum key, data;
- ldbm_datum_init( key );
- ldbm_datum_init( data );
-
- dn = ch_strdup( dn );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "dn2id: (%s)\n", dn ));
+#else
Debug( LDAP_DEBUG_TRACE, "=> dn2id( \"%s\" )\n", dn, 0, 0 );
- dn_normalize_case( dn );
+#endif
+
+ assert( idp );
/* first check the cache */
- if ( (id = cache_find_entry_dn2id( be, &li->li_cache, dn )) != NOID ) {
- free( dn );
- Debug( LDAP_DEBUG_TRACE, "<= dn2id %lu (in cache)\n", id,
+ if ( (*idp = cache_find_entry_ndn2id( be, &li->li_cache, dn )) != NOID ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
+ "dn2id: (%s)%ld in cache.\n", dn, *idp ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "<= dn2id %ld (in cache)\n", *idp,
0, 0 );
- return( id );
+#endif
+
+ return( 0 );
}
if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
== NULL ) {
- free( dn );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "dn2id: couldn't open dn2id%s\n", LDBM_SUFFIX ));
+#else
Debug( LDAP_DEBUG_ANY, "<= dn2id could not open dn2id%s\n",
LDBM_SUFFIX, 0, 0 );
- return( NOID );
+#endif
+ /*
+ * return code !0 if ldbm cache open failed;
+ * callers should handle this
+ */
+ *idp = NOID;
+ return( -1 );
}
- key.dptr = dn;
- key.dsize = strlen( dn ) + 1;
+ ldbm_datum_init( key );
+
+ key.dsize = strlen( dn ) + 2;
+ key.dptr = ch_malloc( key.dsize );
+ sprintf( key.dptr, "%c%s", DN_BASE_PREFIX, dn );
data = ldbm_cache_fetch( db, key );
ldbm_cache_close( be, db );
- free( dn );
+
+ free( key.dptr );
if ( data.dptr == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
+ "dn2id: (%s) NOID\n", dn ));
+#else
Debug( LDAP_DEBUG_TRACE, "<= dn2id NOID\n", 0, 0, 0 );
- return( NOID );
+#endif
+
+ *idp = NOID;
+ return( 0 );
}
- (void) memcpy( (char *) &id, data.dptr, sizeof(ID) );
+ AC_MEMCPY( (char *) idp, data.dptr, sizeof(ID) );
+
+ assert( *idp != NOID );
ldbm_datum_free( db->dbc_db, data );
- Debug( LDAP_DEBUG_TRACE, "<= dn2id %lu\n", id, 0, 0 );
- return( id );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "dn2id: %ld\n", *idp ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "<= dn2id %ld\n", *idp, 0, 0 );
+#endif
+
+ return( 0 );
+}
+
+int
+dn2idl(
+ Backend *be,
+ struct berval *dn,
+ int prefix,
+ ID_BLOCK **idlp
+)
+{
+ DBCache *db;
+ Datum key;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "dn2idl: \"%c%s\"\n", prefix, dn->bv_val ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "=> dn2idl( \"%c%s\" )\n", prefix, dn->bv_val, 0 );
+#endif
+
+ assert( idlp != NULL );
+ *idlp = NULL;
+
+ if ( prefix == DN_SUBTREE_PREFIX && be_issuffix(be, dn->bv_val) ) {
+ *idlp = ch_malloc( sizeof(ID) );
+ **idlp = ID_BLOCK_ALLIDS_VALUE;
+ return 0;
+ }
+
+ if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
+ == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "dn2idl: could not open dn2id%s\n", LDBM_SUFFIX ));
+#else
+ Debug( LDAP_DEBUG_ANY, "<= dn2idl could not open dn2id%s\n",
+ LDBM_SUFFIX, 0, 0 );
+#endif
+
+ return -1;
+ }
+
+ ldbm_datum_init( key );
+
+ key.dsize = dn->bv_len + 2;
+ key.dptr = ch_malloc( key.dsize );
+ sprintf( key.dptr, "%c%s", prefix, dn->bv_val );
+
+ *idlp = idl_fetch( be, db, key );
+
+ ldbm_cache_close( be, db );
+
+ free( key.dptr );
+
+ return( 0 );
}
+
int
dn2id_delete(
Backend *be,
- char *dn
+ const char *dn,
+ ID id
)
{
- struct ldbminfo *li = (struct ldbminfo *) be->be_private;
- struct dbcache *db;
+ DBCache *db;
Datum key;
int rc;
+ char *buf, *ptr, *pdn;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "dn2id_delete: (%s)%ld\n", dn, id ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "=> dn2id_delete( \"%s\", %ld )\n", dn, id, 0 );
+#endif
- ldbm_datum_init( key );
- Debug( LDAP_DEBUG_TRACE, "=> dn2id_delete( \"%s\" )\n", dn, 0, 0 );
+ assert( id != NOID );
if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
== NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "dn2id_delete: couldn't open db2id%s\n", LDBM_SUFFIX ));
+#else
Debug( LDAP_DEBUG_ANY,
"<= dn2id_delete could not open dn2id%s\n", LDBM_SUFFIX,
0, 0 );
+#endif
+
return( -1 );
}
- dn = ch_strdup( dn );
- dn_normalize_case( dn );
- key.dptr = dn;
- key.dsize = strlen( dn ) + 1;
+ ldbm_datum_init( key );
+ key.dsize = strlen( dn ) + 2;
+ buf = ch_malloc( key.dsize );
+ key.dptr = buf;
+ buf[0] = DN_BASE_PREFIX;
+ ptr = buf + 1;
+ strcpy( ptr, dn );
rc = ldbm_cache_delete( db, key );
+
+ if( !be_issuffix( be, ptr )) {
+ buf[0] = DN_SUBTREE_PREFIX;
+ ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
+ (void) idl_delete_key( be, db, key, id );
+ ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
+ }
+
+ pdn = dn_parent( be, ptr );
+
+ if( pdn != NULL ) {
+ pdn[-1] = DN_ONE_PREFIX;
+ key.dsize -= pdn - ptr;
+ key.dptr = pdn - 1;
+
+ ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
+ (void) idl_delete_key( be, db, key, id );
+ ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
+ }
+
+ while ( pdn != NULL ) {
+ if ( be_issuffix( be, pdn ))
+ break;
+
+ pdn[-1] = DN_SUBTREE_PREFIX;
+
+ ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
+ (void) idl_delete_key( be, db, key, id );
+ ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
+
+ ptr = pdn;
+ pdn = dn_parent( be, pdn );
+ key.dsize -= pdn - ptr;
+ key.dptr = pdn - 1;
+ }
+
+ free( buf );
ldbm_cache_close( be, db );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "dn2id_delete: return %d\n", rc ));
+#else
Debug( LDAP_DEBUG_TRACE, "<= dn2id_delete %d\n", rc, 0, 0 );
+#endif
+
return( rc );
}
* entry.
*/
-static Entry *
-dn2entry(
+Entry *
+dn2entry_rw(
Backend *be,
- char *dn,
- char **matched,
- int rw
+ const char *dn,
+ Entry **matched,
+ int rw
)
{
- struct ldbminfo *li = (struct ldbminfo *) be->be_private;
ID id;
Entry *e = NULL;
char *pdn;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "dn2entry_rw: %s entry %s\n", rw ? "w" : "r",
+ dn ));
+#else
Debug(LDAP_DEBUG_TRACE, "dn2entry_%s: dn: \"%s\"\n",
rw ? "w" : "r", dn, 0);
+#endif
- *matched = NULL;
- if ( (id = dn2id( be, dn )) != NOID &&
- (e = id2entry( be, id, rw )) != NULL )
- {
- return( e );
+ if( matched != NULL ) {
+ /* caller cares about match */
+ *matched = NULL;
}
- /* stop when we get to the suffix */
- if ( be_issuffix( be, dn ) ) {
+ if ( dn2id( be, dn, &id ) ) {
+ /* something bad happened to ldbm cache */
return( NULL );
+
+ } else if ( id != NOID ) {
+ /* try to return the entry */
+ if ((e = id2entry_rw( be, id, rw )) != NULL ) {
+ return( e );
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "dn2entry_rw: no entry for valid id (%ld), dn (%s)\n",
+ id, dn ));
+#else
+ Debug(LDAP_DEBUG_ANY,
+ "dn2entry_%s: no entry for valid id (%ld), dn \"%s\"\n",
+ rw ? "w" : "r", id, dn);
+#endif
+
+ /* must have been deleted from underneath us */
+ /* treat as if NOID was found */
}
+ /* caller doesn't care about match */
+ if( matched == NULL ) return NULL;
+
/* entry does not exist - see how much of the dn does exist */
+ /* dn_parent checks returns NULL if dn is suffix */
if ( (pdn = dn_parent( be, dn )) != NULL ) {
/* get entry with reader lock */
if ( (e = dn2entry_r( be, pdn, matched )) != NULL ) {
- if(*matched != NULL) {
- free(*matched);
- }
- *matched = pdn;
- /* free entry with reader lock */
- cache_return_entry_r( &li->li_cache, e );
- } else {
- free( pdn );
+ *matched = e;
}
}
- return( NULL );
+ return NULL;
}
-Entry *
-dn2entry_r(
- Backend *be,
- char *dn,
- char **matched
-)
-{
- return( dn2entry( be, dn, matched, 0 ) );
-}
-
-Entry *
-dn2entry_w(
- Backend *be,
- char *dn,
- char **matched
-)
-{
- return( dn2entry( be, dn, matched, 1 ) );
-}
-
-
-
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