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Aminet 52
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Aminet 52 (2002)(GTI - Schatztruhe)[!][Dec 2002].iso
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Aminet
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util
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Scout-src.lha
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netinclude
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protocols
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routed.h
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2002-09-16
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#ifndef PROTOCOLS_ROUTED_H
#define PROTOCOLS_ROUTED_H \
"$Id: routed.h,v 1.1.1.1 2001/11/26 22:21:18 tboeckel Exp $"
/*
* Routing Information Protocol
*
* Copyright © 1994 AmiTCP/IP Group,
* Network Solutions Development, Inc.
* All rights reserved.
*/
/*
* 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 sockaddr rip_dst; /* destination net/host */
int rip_metric; /* cost of route */
};
struct rip {
u_char rip_cmd; /* request/response */
u_char rip_vers; /* protocol version # */
u_char rip_res1[2]; /* 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
};
/*
* 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_MAX 5
#ifdef RIPCMDS
char *ripcmds[RIPCMD_MAX] =
{ "#0", "REQUEST", "RESPONSE", "TRACEON", "TRACEOFF" };
#endif
#define HOPCNT_INFINITY 16 /* per Xerox NS */
#define MAXPACKETSIZE 512 /* max broadcast size */
/*
* Timer values used in managing the routing table.
* Complete tables are broadcast every SUPPLY_INTERVAL seconds.
* If changes occur between updates, dynamic updates containing only changes
* may be sent. When these are sent, a timer is set for a random value
* between MIN_WAITTIME and MAX_WAITTIME, and no additional dynamic updates
* are sent until the timer expires.
*
* Every update of a routing entry 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 MIN_WAITTIME 2 /* min. interval to broadcast changes */
#define MAX_WAITTIME 5 /* max. time to delay changes */
#define EXPIRE_TIME 180 /* time to mark entry invalid */
#define GARBAGE_TIME 240 /* time to garbage collect */
#endif /* !PROTOCOLS_ROUTED_H */