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rsrr_var.h revision 1.1 
      1 /*	$NetBSD: rsrr_var.h,v 1.1 1995/12/10 10:07:15 mycroft Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1993 by the University of Southern California
      5  * All rights reserved.
      6  *
      7  * Permission to use, copy, modify, and distribute this software and its
      8  * documentation in source and binary forms for non-commercial purposes
      9  * and without fee is hereby granted, provided that the above copyright
     10  * notice appear in all copies and that both the copyright notice and
     11  * this permission notice appear in supporting documentation. and that
     12  * any documentation, advertising materials, and other materials related
     13  * to such distribution and use acknowledge that the software was
     14  * developed by the University of Southern California, Information
     15  * Sciences Institute.  The name of the University may not be used to
     16  * endorse or promote products derived from this software without
     17  * specific prior written permission.
     18  *
     19  * THE UNIVERSITY OF SOUTHERN CALIFORNIA makes no representations about
     20  * the suitability of this software for any purpose.  THIS SOFTWARE IS
     21  * PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
     22  * INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
     23  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     24  *
     25  * Other copyrights might apply to parts of this software and are so
     26  * noted when applicable.
     27  */
     28 
     29 /* RSRR things that are only needed by mrouted. */
     30 
     31 /* Cache of Route Query messages, distinguished by source,
     32  * destination, and client addresses.  Cache is flushed by RSRR client
     33  * -- it sends notification when an unwanted Route Reply is received.
     34  * Since this only happens during route changes, it is more likely
     35  * that the cache will be flushed when the kernel table entry is
     36  * deleted.  */
     37 struct rsrr_cache {
     38     struct rsrr_rq route_query;		/* Cached Route Query */
     39     struct sockaddr_un client_addr;	/* Client address */
     40     int client_length;			/* Length of client */
     41     struct rsrr_cache *next;		/* next cache item */
     42 };
     43 
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