Home | History | Annotate | Line # | Download | only in routed
defs.h revision 1.8 
      1 /*
      2  * Copyright (c) 1983, 1988, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	from: @(#)defs.h	8.1 (Berkeley) 6/5/93
     34  *	$Id: defs.h,v 1.8 1994/12/18 05:43:51 cgd Exp $
     35  */
     36 
     37 /*
     38  * Internal data structure definitions for
     39  * user routing process.  Based on Xerox NS
     40  * protocol specs with mods relevant to more
     41  * general addressing scheme.
     42  */
     43 #include <sys/param.h>
     44 #include <sys/socket.h>
     45 #include <sys/time.h>
     46 
     47 #include <net/route.h>
     48 #include <netinet/in.h>
     49 #include <protocols/routed.h>
     50 #include <arpa/inet.h>
     51 
     52 #include <netdb.h>
     53 #include <signal.h>
     54 #include <stdio.h>
     55 #include <stdlib.h>
     56 #include <string.h>
     57 #include <unistd.h>
     58 
     59 #include "trace.h"
     60 #include "interface.h"
     61 #include "table.h"
     62 #include "af.h"
     63 
     64 /*
     65  * When we find any interfaces marked down we rescan the
     66  * kernel every CHECK_INTERVAL seconds to see if they've
     67  * come up.
     68  */
     69 #define	CHECK_INTERVAL	(1*60)
     70 
     71 #define equal(a1, a2) \
     72 	(memcmp((a1), (a2), sizeof (struct sockaddr)) == 0)
     73 
     74 struct	sockaddr_in addr;	/* address of daemon's socket */
     75 
     76 int	s;			/* source and sink of all data */
     77 int	r;			/* routing socket */
     78 pid_t	pid;			/* process id for identifying messages */
     79 uid_t	uid;			/* user id for identifying messages */
     80 int	seqno;			/* sequence number for identifying messages */
     81 int	kmem;
     82 int	supplier;		/* process should supply updates */
     83 int	install;		/* if 1 call kernel */
     84 int	lookforinterfaces;	/* if 1 probe kernel for new up interfaces */
     85 int	performnlist;		/* if 1 check if /vmunix has changed */
     86 int	externalinterfaces;	/* # of remote and local interfaces */
     87 struct	timeval now;		/* current idea of time */
     88 struct	timeval lastbcast;	/* last time all/changes broadcast */
     89 struct	timeval lastfullupdate;	/* last time full table broadcast */
     90 struct	timeval nextbcast;	/* time to wait before changes broadcast */
     91 int	needupdate;		/* true if we need update at nextbcast */
     92 
     93 char	packet[MAXPACKETSIZE+1];
     94 struct	rip *msg;
     95 
     96 char	**argv0;
     97 struct	servent *sp;
     98 
     99 struct	in_addr inet_makeaddr();
    100 int	sndmsg();
    101 int	supply();
    102 
    103 void addrouteforif __P((struct interface *));
    104 void bumploglevel();
    105 void dumppacket __P((FILE *, char *, struct sockaddr_in *, char *,
    106     int, struct timeval *));
    107 void gwkludge();
    108 void hup();
    109 void ifinit();
    110 #ifdef notdef /* XXX FUNCTION UNUSED */
    111 u_long inet_lnaof_subnet __P((struct in_addr));
    112 #endif
    113 int inet_maskof __P((u_long));
    114 u_long inet_netof_subnet __P((struct in_addr));
    115 int inet_rtflags __P((struct sockaddr_in *));
    116 int inet_sendroute __P((struct rt_entry *, struct sockaddr_in *));
    117 void rip_input __P((struct sockaddr *, struct rip *, int));
    118 void rtadd __P((struct sockaddr *, struct sockaddr *, int, int));
    119 void rtchange __P((struct rt_entry *, struct sockaddr *, short));
    120 void rtdefault();
    121 void rtdelete __P((struct rt_entry *));
    122 void rtdeleteall __P((int));
    123 void rtinit();
    124 int rtioctl __P((int, struct rtuentry *));
    125 void sigtrace __P((int));
    126 int sndmsg __P((struct sockaddr *, int, struct interface *, int));
    127 void timer();
    128 void timevaladd __P((struct timeval *, struct timeval *));
    129 void toall __P((int (*)(), int, struct interface *));
    130 void traceoff();
    131 void traceon __P((char *));
    132 void trace __P((struct ifdebug *, struct sockaddr *, char *, int, int));
    133 void traceaction __P((FILE *, char *, struct rt_entry *));
    134 void traceinit __P((struct interface *));
    135 void tracenewmetric __P((FILE *, struct rt_entry *, int));
    136 
    137 #define ADD 1
    138 #define DELETE 2
    139 #define CHANGE 3
    140