#ifndef lint
static const char rcsid[] =
"@(#) $Header: /cvs/Darwin/Commands/NeXT/network_cmds/tcpdump.tproj/print-igrp.c,v 1.1.1.1 1999/05/02 03:58:33 wsanchez Exp $ (LBL)";
#endif
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <errno.h>
#include <stdio.h>
#include "addrtoname.h"
#include "interface.h"
#include "igrp.h"
#include "extract.h"
static void
igrp_entry_print(register struct igrprte *igr, register int is_interior,
register int is_exterior)
{
register u_int delay, bandwidth;
u_int metric, mtu;
if (is_interior)
printf(" *.%d.%d.%d", igr->igr_net[0],
igr->igr_net[1], igr->igr_net[2]);
else if (is_exterior)
printf(" X%d.%d.%d.0", igr->igr_net[0],
igr->igr_net[1], igr->igr_net[2]);
else
printf(" %d.%d.%d.0", igr->igr_net[0],
igr->igr_net[1], igr->igr_net[2]);
delay = EXTRACT_24BITS(igr->igr_dly);
bandwidth = EXTRACT_24BITS(igr->igr_bw);
metric = bandwidth + delay;
if (metric > 0xffffff)
metric = 0xffffff;
mtu = EXTRACT_16BITS(igr->igr_mtu);
printf(" d=%d b=%d r=%d l=%d M=%d mtu=%d in %d hops",
10 * delay, bandwidth == 0 ? 0 : 10000000 / bandwidth,
igr->igr_rel, igr->igr_ld, metric,
mtu, igr->igr_hct);
}
static struct tok op2str[] = {
{ IGRP_UPDATE, "update" },
{ IGRP_REQUEST, "request" },
{ 0, NULL }
};
void
igrp_print(register const u_char *bp, u_int length, register const u_char *bp2)
{
register struct igrphdr *hdr;
register struct ip *ip;
register u_char *cp;
u_int nint, nsys, next;
hdr = (struct igrphdr *)bp;
ip = (struct ip *)bp2;
cp = (u_char *)(hdr + 1);
(void)printf("%s > %s: igrp: ",
ipaddr_string(&ip->ip_src),
ipaddr_string(&ip->ip_dst));
TCHECK(*hdr);
nint = EXTRACT_16BITS(&hdr->ig_ni);
nsys = EXTRACT_16BITS(&hdr->ig_ns);
next = EXTRACT_16BITS(&hdr->ig_nx);
(void)printf(" %s V%d edit=%d AS=%d (%d/%d/%d)",
tok2str(op2str, "op-#%d", hdr->ig_op),
hdr->ig_v,
hdr->ig_ed,
EXTRACT_16BITS(&hdr->ig_as),
nint,
nsys,
next);
length -= sizeof(*hdr);
while (length >= IGRP_RTE_SIZE) {
if (nint > 0) {
TCHECK2(*cp, IGRP_RTE_SIZE);
igrp_entry_print((struct igrprte *)cp, 1, 0);
--nint;
} else if (nsys > 0) {
TCHECK2(*cp, IGRP_RTE_SIZE);
igrp_entry_print((struct igrprte *)cp, 0, 0);
--nsys;
} else if (next > 0) {
TCHECK2(*cp, IGRP_RTE_SIZE);
igrp_entry_print((struct igrprte *)cp, 0, 1);
--next;
} else {
(void)printf("[extra bytes %d]", length);
break;
}
cp += IGRP_RTE_SIZE;
length -= IGRP_RTE_SIZE;
}
if (nint == 0 && nsys == 0 && next == 0)
return;
trunc:
fputs("[|igrp]", stdout);
}