/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2000-2005 The OpenLDAP Foundation.
+ * Copyright 2000-2007 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <stdio.h>
#include <ac/string.h>
+#include <ac/errno.h>
#include "back-bdb.h"
int bdb_id2entry(
BackendDB *be,
DB_TXN *tid,
+ BDB_LOCKER locker,
ID id,
Entry **e )
{
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
DB *db = bdb->bi_id2entry->bdi_db;
DBT key, data;
- struct berval bv;
- int rc = 0;
+ DBC *cursor;
+ EntryHeader eh;
+ char buf[16];
+ int rc = 0, off;
ID nid;
*e = NULL;
BDB_ID2DISK( id, &nid );
DBTzero( &data );
- data.flags = DB_DBT_MALLOC;
+ data.flags = DB_DBT_USERMEM | DB_DBT_PARTIAL;
/* fetch it */
- rc = db->get( db, tid, &key, &data, bdb->bi_db_opflags );
+ rc = db->cursor( db, tid, &cursor, bdb->bi_db_opflags );
+ if ( rc ) return rc;
+
+ /* Use our own locker if needed */
+ if ( !tid && locker ) {
+ CURSOR_SETLOCKER( cursor, locker );
+ }
+
+ /* Get the nattrs / nvals counts first */
+ data.ulen = data.dlen = sizeof(buf);
+ data.data = buf;
+ rc = cursor->c_get( cursor, &key, &data, DB_SET );
+ if ( rc ) goto finish;
+
+
+ eh.bv.bv_val = buf;
+ eh.bv.bv_len = data.size;
+ rc = entry_header( &eh );
+ if ( rc ) goto finish;
+
+ /* Get the size */
+ data.flags ^= DB_DBT_PARTIAL;
+ data.ulen = 0;
+ rc = cursor->c_get( cursor, &key, &data, DB_CURRENT );
+ if ( rc != DB_BUFFER_SMALL ) goto finish;
+
+ /* Allocate a block and retrieve the data */
+ off = eh.data - eh.bv.bv_val;
+ eh.bv.bv_len = eh.nvals * sizeof( struct berval ) + data.size;
+ eh.bv.bv_val = ch_malloc( eh.bv.bv_len );
+ eh.data = eh.bv.bv_val + eh.nvals * sizeof( struct berval );
+ data.data = eh.data;
+ data.ulen = data.size;
+
+ /* skip past already parsed nattr/nvals */
+ eh.data += off;
+
+ rc = cursor->c_get( cursor, &key, &data, DB_CURRENT );
+
+finish:
+ cursor->c_close( cursor );
if( rc != 0 ) {
return rc;
}
- DBT2bv( &data, &bv );
-
#ifdef SLAP_ZONE_ALLOC
- rc = entry_decode(&bv, e, bdb->bi_cache.c_zctx);
+ rc = entry_decode(&eh, e, bdb->bi_cache.c_zctx);
#else
- rc = entry_decode(&bv, e);
+ rc = entry_decode(&eh, e);
#endif
if( rc == 0 ) {
* decoded in place.
*/
#ifndef SLAP_ZONE_ALLOC
- ch_free(data.data);
+ ch_free(eh.bv.bv_val);
#endif
}
#ifdef SLAP_ZONE_ALLOC
- ch_free(data.data);
+ ch_free(eh.bv.bv_val);
#endif
return rc;
return rc;
}
-#ifdef SLAP_ZONE_ALLOC
-int bdb_entry_return(
- struct bdb_info *bdb,
- Entry *e,
- int zseq
-)
-#else
int bdb_entry_return(
Entry *e
)
-#endif
{
-#ifdef SLAP_ZONE_ALLOC
- if (!slap_zn_validate(bdb->bi_cache.c_zctx, e, zseq)) {
- return 0;
- }
-#endif
/* Our entries are allocated in two blocks; the data comes from
* the db itself and the Entry structure and associated pointers
* are allocated in entry_decode. The db data pointer is saved
- * in e_bv. Since the Entry structure is allocated as a single
- * block, e_attrs is always a fixed offset from e. The exception
- * is when an entry has been modified, in which case we also need
- * to free e_attrs.
+ * in e_bv.
*/
-
-#ifdef LDAP_COMP_MATCH
- comp_tree_free( e->e_attrs );
-#endif
- if( !e->e_bv.bv_val ) { /* Entry added by do_add */
- entry_free( e );
- return 0;
- }
- if( (void *) e->e_attrs != (void *) (e+1)) {
- attrs_free( e->e_attrs );
- }
-
- /* See if the DNs were changed by modrdn */
- if( e->e_nname.bv_val < e->e_bv.bv_val || e->e_nname.bv_val >
- e->e_bv.bv_val + e->e_bv.bv_len ) {
- ch_free(e->e_name.bv_val);
- ch_free(e->e_nname.bv_val);
+ if ( e->e_bv.bv_val ) {
+ /* See if the DNs were changed by modrdn */
+ if( e->e_nname.bv_val < e->e_bv.bv_val || e->e_nname.bv_val >
+ e->e_bv.bv_val + e->e_bv.bv_len ) {
+ ch_free(e->e_name.bv_val);
+ ch_free(e->e_nname.bv_val);
+ }
e->e_name.bv_val = NULL;
e->e_nname.bv_val = NULL;
+ /* In tool mode the e_bv buffer is realloc'd, leave it alone */
+ if( !(slapMode & SLAP_TOOL_MODE) ) {
+ free( e->e_bv.bv_val );
+ }
+ BER_BVZERO( &e->e_bv );
}
-#ifndef SLAP_ZONE_ALLOC
-#ifndef BDB_HIER
- /* In tool mode the e_bv buffer is realloc'd, leave it alone */
- if( !(slapMode & SLAP_TOOL_MODE) ) {
- free( e->e_bv.bv_val );
- }
-#else
- free( e->e_bv.bv_val );
-#endif /* BDB_HIER */
-#endif /* !SLAP_ZONE_ALLOC */
-
-#ifdef SLAP_ZONE_ALLOC
- slap_zn_free( e, bdb->bi_cache.c_zctx );
-#else
- free( e );
-#endif
-
+ entry_free( e );
return 0;
}
#endif
}
/* free entry and reader or writer lock */
- if ( op ) {
- boi = (struct bdb_op_info *)op->o_private;
- }
+ boi = (struct bdb_op_info *)op->o_private;
+
/* lock is freed with txn */
if ( !boi || boi->boi_txn ) {
- bdb_unlocked_cache_return_entry_rw( &bdb->bi_cache, e, rw );
+ bdb_unlocked_cache_return_entry_rw( bdb, e, rw );
} else {
struct bdb_lock_info *bli, *prev;
for ( prev=(struct bdb_lock_info *)&boi->boi_locks,
bli = boi->boi_locks; bli; prev=bli, bli=bli->bli_next ) {
if ( bli->bli_id == e->e_id ) {
- bdb_cache_return_entry_rw( bdb->bi_dbenv, &bdb->bi_cache,
- e, rw, &bli->bli_lock );
+ bdb_cache_return_entry_rw( bdb, e, rw, &bli->bli_lock );
prev->bli_next = bli->bli_next;
op->o_tmpfree( bli, op->o_tmpmemctx );
break;
int rc;
const char *at_name = at ? at->ad_cname.bv_val : "(null)";
- u_int32_t locker = 0;
+ BDB_LOCKER locker = 0;
DB_LOCK lock;
int free_lock_id = 0;
"=> bdb_entry_get: found entry: \"%s\"\n",
ndn->bv_val, 0, 0 );
- /* find attribute values */
- if( is_entry_alias( e ) ) {
- Debug( LDAP_DEBUG_ACL,
- "<= bdb_entry_get: entry is an alias\n", 0, 0, 0 );
- rc = LDAP_ALIAS_PROBLEM;
- goto return_results;
- }
-
- if( is_entry_referral( e ) ) {
- Debug( LDAP_DEBUG_ACL,
- "<= bdb_entry_get: entry is a referral\n", 0, 0, 0 );
- rc = LDAP_REFERRAL;
- goto return_results;
- }
-
if ( oc && !is_entry_objectclass( e, oc, 0 )) {
Debug( LDAP_DEBUG_ACL,
"<= bdb_entry_get: failed to find objectClass %s\n",
return_results:
if( rc != LDAP_SUCCESS ) {
/* free entry */
- bdb_cache_return_entry_rw(bdb->bi_dbenv, &bdb->bi_cache, e, rw, &lock);
+ bdb_cache_return_entry_rw(bdb, e, rw, &lock);
} else {
if ( slapMode == SLAP_SERVER_MODE ) {
}
} else {
*ent = entry_dup( e );
- bdb_cache_return_entry_rw(bdb->bi_dbenv, &bdb->bi_cache, e, rw, &lock);
+ bdb_cache_return_entry_rw(bdb, e, rw, &lock);
}
}
projects / openldap / blobdiff