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/*
* $Header: /disk/d/src/devel/gated/dist/src/RCS/routed.h,v 2.1 92/02/24 14:12:54 jch Exp $
*/
/*%Copyright%*/
/************************************************************************
* *
* GateD, Release 2 *
* *
* Copyright (c) 1990,1991,1992 by Cornell University *
* All rights reserved. *
* *
* THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY *
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT *
* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY *
* AND FITNESS FOR A PARTICULAR PURPOSE. *
* *
* Royalty-free licenses to redistribute GateD Release *
* 2 in whole or in part may be obtained by writing to: *
* *
* GateDaemon Project *
* Information Technologies/Network Resources *
* 143 Caldwell Hall *
* Cornell University *
* Ithaca, NY 14853-2602 *
* *
* GateD is based on Kirton's EGP, UC Berkeley's routing *
* daemon (routed), and DCN's HELLO routing Protocol. *
* Development of Release 2 has been supported by the *
* National Science Foundation. *
* *
* Please forward bug fixes, enhancements and questions to the *
* gated mailing list: gated-people@gated.cornell.edu. *
* *
* Authors: *
* *
* Jeffrey C Honig <jch@gated.cornell.edu> *
* Scott W Brim <swb@gated.cornell.edu> *
* *
*************************************************************************
* *
* Portions of this software may fall under the following *
* copyrights: *
* *
* Copyright (c) 1988 Regents of the University of California. *
* All rights reserved. *
* *
* Redistribution and use in source and binary forms are *
* permitted provided that the above copyright notice and *
* this paragraph are duplicated in all such forms and that *
* any documentation, advertising materials, and other *
* materials related to such distribution and use *
* acknowledge that the software was developed by the *
* University of California, Berkeley. The name of the *
* University may not be used to endorse or promote *
* products derived from this software without specific *
* prior written permission. THIS SOFTWARE IS PROVIDED *
* ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
* *
************************************************************************/
/*
* Routing Information Protocol
*
* Derived from Xerox NS Routing Information Protocol
* by changing 32-bit net numbers to sockaddr's and
* padding stuff to 32-bit boundaries.
*/
#define RIPVERSION 1
struct netinfo {
struct rip_addr {
u_short rip_family;
u_char rip_zero1[2];
struct in_addr rip_addr;
u_char rip_zero2[8];
} rip_dst;
u_long rip_metric; /* cost of route */
};
struct rip {
u_char rip_cmd; /* request/response */
u_char rip_vers; /* protocol version # */
u_short rip_res; /* pad to 32-bit boundary */
union {
struct netinfo ru_nets[1]; /* variable length... */
char ru_tracefile[1]; /* ditto ... */
} ripun;
#define rip_nets ripun.ru_nets
#define rip_tracefile ripun.ru_tracefile
};
struct entryinfo {
struct rip_addr rtu_dst;
struct rip_addr rtu_router;
u_short rtu_flags;
short rtu_state;
int rtu_timer;
int rtu_metric;
u_int int_flags;
char int_name[16];
};
/*
* Packet types.
*/
#define RIPCMD_REQUEST 1 /* want info */
#define RIPCMD_RESPONSE 2 /* responding to request */
#define RIPCMD_TRACEON 3 /* turn tracing on */
#define RIPCMD_TRACEOFF 4 /* turn it off */
#define RIPCMD_POLL 5 /* like request, but anyone answers */
#define RIPCMD_POLLENTRY 6 /* like poll, but for entire entry */
#define RIPCMD_MAX 7
#ifdef RIPCMDS
const char *ripcmds[RIPCMD_MAX] =
{"#0", "Request", "Response", "TraceOn", "TraceOff", "Poll", "PollEntry"};
#endif
#ifndef HOPCNT_INFINITY
#define HOPCNT_INFINITY 16 /* per Xerox NS */
#endif /* HOPCNT_INFINITY */
#ifndef MAXPACKETSIZE
#define MAXPACKETSIZE 512 /* max broadcast size */
#endif /* MAXPACKETSIZE */
/*
* Timer values used in managing the routing table.
* Every update forces an entry's timer to be reset. After
* EXPIRE_TIME without updates, the entry is marked invalid,
* but held onto until GARBAGE_TIME so that others may
* see it "be deleted".
*/
#define TIMER_RATE 30 /* alarm clocks every 30 seconds */
#define SUPPLY_INTERVAL 30 /* time to supply tables */
#define EXPIRE_TIME 180 /* time to mark entry invalid */
#define GARBAGE_TIME 240 /* time to garbage collect */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.