/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1999-2003 The OpenLDAP Foundation.
+ * Copyright 1999-2007 The OpenLDAP Foundation.
* Portions Copyright 1999-2003 Howard Chu.
* Portions Copyright 2000-2003 Pierangelo Masarati.
* All rights reserved.
#include <stdio.h>
+#include <ac/errno.h>
#include <ac/socket.h>
#include <ac/string.h>
int
ldap_back_conn_destroy(
- Backend *be,
- Connection *conn
+ Backend *be,
+ Connection *conn
)
{
- struct ldapinfo *li = (struct ldapinfo *) be->be_private;
- struct ldapconn *lc, lc_curr;
+ ldapinfo_t *li = (ldapinfo_t *) be->be_private;
+ ldapconn_t *lc = NULL, lc_curr;
-#ifdef NEW_LOGGING
- LDAP_LOG( BACK_LDAP, INFO,
- "ldap_back_conn_destroy: fetching conn %ld\n", conn->c_connid, 0, 0 );
-#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_TRACE,
"=>ldap_back_conn_destroy: fetching conn %ld\n",
conn->c_connid, 0, 0 );
-#endif /* !NEW_LOGGING */
- lc_curr.conn = conn;
- lc_curr.local_dn = conn->c_ndn;
+ lc_curr.lc_conn = conn;
- ldap_pvt_thread_mutex_lock( &li->conn_mutex );
- lc = avl_delete( &li->conntree, (caddr_t)&lc_curr, ldap_back_conn_cmp );
- ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
-
- if (lc) {
-#ifdef NEW_LOGGING
- LDAP_LOG( BACK_LDAP, DETAIL1,
- "ldap_back_conn_destroy: destroying conn %ld\n",
- conn->c_connid, 0, 0 );
-#else /* !NEW_LOGGING */
+ ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex );
+#if LDAP_BACK_PRINT_CONNTREE > 0
+ ldap_back_print_conntree( li, ">>> ldap_back_conn_destroy" );
+#endif /* LDAP_BACK_PRINT_CONNTREE */
+ while ( ( lc = avl_delete( &li->li_conninfo.lai_tree, (caddr_t)&lc_curr, ldap_back_conn_cmp ) ) != NULL )
+ {
Debug( LDAP_DEBUG_TRACE,
- "=>ldap_back_conn_destroy: destroying conn %ld\n",
- lc->conn->c_connid, 0, 0 );
-#endif
+ "=>ldap_back_conn_destroy: destroying conn %ld "
+ "refcnt=%d flags=0x%08x\n",
+ LDAP_BACK_PCONN_ID( lc ),
+ lc->lc_refcnt, lc->lc_lcflags );
-#ifdef ENABLE_REWRITE
- /*
- * Cleanup rewrite session
- */
- rewrite_session_delete( li->rwmap.rwm_rw, conn );
-#endif /* ENABLE_REWRITE */
+ if ( lc->lc_refcnt > 0 ) {
+ /* someone else might be accessing the connection;
+ * mark for deletion */
+ LDAP_BACK_CONN_CACHED_CLEAR( lc );
+ LDAP_BACK_CONN_TAINTED_SET( lc );
- /*
- * Needs a test because the handler may be corrupted,
- * and calling ldap_unbind on a corrupted header results
- * in a segmentation fault
- */
- ldap_back_conn_free( lc );
+ } else {
+ ldap_back_conn_free( lc );
+ }
}
-
- /* no response to unbind */
+#if LDAP_BACK_PRINT_CONNTREE > 0
+ ldap_back_print_conntree( li, "<<< ldap_back_conn_destroy" );
+#endif /* LDAP_BACK_PRINT_CONNTREE */
+ ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex );
return 0;
}