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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2018 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* Portions Copyright 1999-2003 Howard Chu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by the Howard Chu for inclusion
* in OpenLDAP Software and subsequently enhanced by Pierangelo
* Masarati.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/errno.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "../back-ldap/back-ldap.h"
#include "back-meta.h"
int
meta_back_conn_destroy(
Backend *be,
Connection *conn )
{
metainfo_t *mi = ( metainfo_t * )be->be_private;
metaconn_t *mc,
mc_curr = {{ 0 }};
int i;
Debug( LDAP_DEBUG_TRACE,
"=>meta_back_conn_destroy: fetching conn=%ld DN=\"%s\"\n",
conn->c_connid,
BER_BVISNULL( &conn->c_ndn ) ? "" : conn->c_ndn.bv_val, 0 );
mc_curr.mc_conn = conn;
ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
#if META_BACK_PRINT_CONNTREE > 0
meta_back_print_conntree( mi, ">>> meta_back_conn_destroy" );
#endif /* META_BACK_PRINT_CONNTREE */
while ( ( mc = avl_delete( &mi->mi_conninfo.lai_tree, ( caddr_t )&mc_curr, meta_back_conn_cmp ) ) != NULL )
{
assert( !LDAP_BACK_PCONN_ISPRIV( mc ) );
Debug( LDAP_DEBUG_TRACE,
"=>meta_back_conn_destroy: destroying conn %lu "
"refcnt=%d flags=0x%08x\n",
mc->mc_conn->c_connid, mc->mc_refcnt, mc->msc_mscflags );
if ( mc->mc_refcnt > 0 ) {
/* someone else might be accessing the connection;
* mark for deletion */
LDAP_BACK_CONN_CACHED_CLEAR( mc );
LDAP_BACK_CONN_TAINTED_SET( mc );
} else {
meta_back_conn_free( mc );
}
}
#if META_BACK_PRINT_CONNTREE > 0
meta_back_print_conntree( mi, "<<< meta_back_conn_destroy" );
#endif /* META_BACK_PRINT_CONNTREE */
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
/*
* Cleanup rewrite session
*/
for ( i = 0; i < mi->mi_ntargets; ++i ) {
rewrite_session_delete( mi->mi_targets[ i ]->mt_rwmap.rwm_rw, conn );
}
return 0;
}
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