1 /* $OpenBSD: virtual.h,v 1.1 2004/06/20 15:24:05 ho Exp $ */ 2 3 /* 4 * Copyright (c) 2004 H�kan Olsson. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _TRP_VIRTUAL_H_ 28 #define _TRP_VIRTUAL_H_ 29 30 struct virtual_transport { 31 struct transport transport; 32 struct transport *main; /* Normally this transport is used. */ 33 struct transport *encap; /* Or this, depending on 'encap_is_active'. */ 34 int encap_is_active; 35 LIST_ENTRY (virtual_transport) link; 36 }; 37 38 void virtual_init(void); 39 struct virtual_transport *virtual_get_default(sa_family_t); 40 struct virtual_transport *virtual_listen_lookup(struct sockaddr *); 41 42 #endif /* _TRP_VIRTUAL_H_ */ 43