Home | History | Annotate | Line # | Download | only in mrouted 
      1 /*	$NetBSD: rsrr_var.h,v 1.3 2003/03/05 21:05:40 wiz Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998-2001.
      5  * The University of Southern California/Information Sciences Institute.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. Neither the name of the project nor the names of its contributors
     17  *    may be used to endorse or promote products derived from this software
     18  *    without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30  * SUCH DAMAGE.
     31  */
     32 
     33 /* RSRR things that are only needed by mrouted. */
     34 
     35 /* Cache of Route Query messages, distinguished by source,
     36  * destination, and client addresses.  Cache is flushed by RSRR client
     37  * -- it sends notification when an unwanted Route Reply is received.
     38  * Since this only happens during route changes, it is more likely
     39  * that the cache will be flushed when the kernel table entry is
     40  * deleted.  */
     41 struct rsrr_cache {
     42     struct rsrr_rq route_query;		/* Cached Route Query */
     43     struct sockaddr_un client_addr;	/* Client address */
     44     int client_length;			/* Length of client */
     45     struct rsrr_cache *next;		/* next cache item */
     46 };
     47 
     48