/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2000-2008 The OpenLDAP Foundation.
+ * Copyright 2000-2011 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
return rs->sr_err;
}
+/* Get the next ID from the DB. Used if the candidate list is
+ * a range and simple iteration hits missing entryIDs
+ */
+static int
+bdb_get_nextid(struct bdb_info *bdb, DB_TXN *ltid, ID *cursor)
+{
+ DBC *curs;
+ DBT key, data;
+ ID id, nid;
+ int rc;
+
+ id = *cursor + 1;
+ BDB_ID2DISK( id, &nid );
+ rc = bdb->bi_id2entry->bdi_db->cursor(
+ bdb->bi_id2entry->bdi_db, ltid, &curs, bdb->bi_db_opflags );
+ if ( rc )
+ return rc;
+ key.data = &nid;
+ key.size = key.ulen = sizeof(ID);
+ key.flags = DB_DBT_USERMEM;
+ data.flags = DB_DBT_USERMEM | DB_DBT_PARTIAL;
+ data.dlen = data.ulen = 0;
+ rc = curs->c_get( curs, &key, &data, DB_SET_RANGE );
+ curs->c_close( curs );
+ if ( rc )
+ return rc;
+ BDB_DISK2ID( &nid, cursor );
+ return 0;
+}
+
int
bdb_search( Operation *op, SlapReply *rs )
{
slap_mask_t mask;
time_t stoptime;
int manageDSAit;
- int tentries = 0, nentries = 0;
+ int tentries = 0;
+ unsigned nentries = 0;
int idflag = 0;
DB_LOCK lock;
/* check for abandon */
if ( op->o_abandon ) {
rs->sr_err = SLAPD_ABANDON;
+ send_ldap_result( op, rs );
goto done;
}
ltid->flags &= ~TXN_DEADLOCK;
goto fetch_entry_retry;
}
+txnfail:
opinfo->boi_err = rs->sr_err;
send_ldap_error( op, rs, LDAP_BUSY, "ldap server busy" );
goto done;
LDAP_XSTRING(bdb_search)
": candidate %ld not found\n",
(long) id, 0, 0 );
+ } else {
+ /* get the next ID from the DB */
+id_retry:
+ rs->sr_err = bdb_get_nextid( bdb, ltid, &cursor );
+ if ( rs->sr_err == DB_NOTFOUND ) {
+ break;
+ } else if ( rs->sr_err == DB_LOCK_DEADLOCK ) {
+ if ( opinfo )
+ goto txnfail;
+ ltid->flags &= ~TXN_DEADLOCK;
+ goto id_retry;
+ } else if ( rs->sr_err == DB_LOCK_NOTGRANTED ) {
+ goto id_retry;
+ }
+ if ( rs->sr_err ) {
+ rs->sr_err = LDAP_OTHER;
+ rs->sr_text = "internal error in get_nextid";
+ send_ldap_result( op, rs );
+ goto done;
+ }
+ cursor--;
}
goto loop_continue;
}
- rs->sr_entry = e;
-
if ( is_entry_subentry( e ) ) {
if( op->oq_search.rs_scope != LDAP_SCOPE_BASE ) {
if(!get_subentries_visibility( op )) {
blis.bli_lock = lock;
blis.bli_flag = BLI_DONTFREE;
+ rs->sr_entry = e;
rs->sr_flags = REP_ENTRY_MUSTRELEASE;
send_search_reference( op, rs );
}
/* if it matches the filter and scope, send it */
- rs->sr_err = test_filter( op, rs->sr_entry, op->oq_search.rs_filter );
+ rs->sr_err = test_filter( op, e, op->oq_search.rs_filter );
if ( rs->sr_err == LDAP_COMPARE_TRUE ) {
/* check size limit */
rs->sr_attrs = op->oq_search.rs_attrs;
rs->sr_operational_attrs = NULL;
rs->sr_ctrls = NULL;
+ rs->sr_entry = e;
+ RS_ASSERT( e->e_private != NULL );
rs->sr_flags = REP_ENTRY_MUSTRELEASE;
rs->sr_err = LDAP_SUCCESS;
rs->sr_err = send_search_entry( op, rs );
+ rs->sr_attrs = NULL;
+ rs->sr_entry = NULL;
/* send_search_entry will usually free it.
* an overlay might leave its own copy here;
OpExtra, oe_next );
}
}
- rs->sr_entry = NULL;
e = NULL;
switch ( rs->sr_err ) {
slap_zn_runlock(bdb->bi_cache.c_zctx, e);
#endif
bdb_cache_return_entry_r( bdb, e , &lock );
+ RS_ASSERT( rs->sr_entry == NULL );
e = NULL;
rs->sr_entry = NULL;
}
goto done;
}
+ } else {
+ /* we're going to use ps_cookie */
+ op->o_conn->c_pagedresults_state.ps_cookie = 0;
}
done:;
ID *lastid,
int tentries )
{
- LDAPControl ctrl, *ctrls[2];
+ LDAPControl *ctrls[2];
BerElementBuffer berbuf;
BerElement *ber = (BerElement *)&berbuf;
PagedResultsCookie respcookie;
"send_paged_response: lastid=0x%08lx nentries=%d\n",
lastid ? *lastid : 0, rs->sr_nentries, NULL );
- BER_BVZERO( &ctrl.ldctl_value );
- ctrls[0] = &ctrl;
ctrls[1] = NULL;
ber_init2( ber, NULL, LBER_USE_DER );
/* return size of 0 -- no estimate */
ber_printf( ber, "{iO}", 0, &cookie );
+ ctrls[0] = op->o_tmpalloc( sizeof(LDAPControl), op->o_tmpmemctx );
if ( ber_flatten2( ber, &ctrls[0]->ldctl_value, 0 ) == -1 ) {
goto done;
}
ctrls[0]->ldctl_oid = LDAP_CONTROL_PAGEDRESULTS;
ctrls[0]->ldctl_iscritical = 0;
- rs->sr_ctrls = ctrls;
+ slap_add_ctrls( op, rs, ctrls );
rs->sr_err = LDAP_SUCCESS;
send_ldap_result( op, rs );
- rs->sr_ctrls = NULL;
done:
(void) ber_free_buf( ber );
}
-