#!/usr/bin/perl
#
# $FreeBSD: src/usr.sbin/route6d/misc/chkrt,v 1.1 1999/12/28 02:37:10 shin Exp $
# $DragonFly: src/usr.sbin/route6d/misc/chkrt,v 1.2 2003/06/17 04:30:02 dillon Exp $
#
$dump="/var/tmp/route6d_dump";
$pidfile="/var/run/route6d.pid";

system("rm -f $dump");

open(FD, "< $pidfile") || die "Can not open $pidfile";
$_ = <FD>;
chop;
close(FD);
system("kill -INT $_");

open(NS, "/usr/local/v6/bin/netstat -r -n|") || die "Can not open netstat";
while (<NS>) {
	chop;
	next unless (/^3f/ || /^5f/);
	@f = split(/\s+/);
	$gw{$f[0]} = $f[1];
	$int{$f[0]} = $f[3];
}
close(NS);

$err=0;
sleep(2);
open(FD, "< $dump") || die "Can not open $dump";
while (<FD>) {
	chop;
	next unless (/^    3f/ || /^    5f/);
	@f = split(/\s+/);
	$dst = $f[1];
	$f[2] =~ /if\(\d:([a-z0-9]+)\)/;
	$intf = $1;
	$f[3] =~ /gw\(([a-z0-9:]+)\)/;
	$gateway = $1;
	$f[4] =~ /\[(\d+)\]/;
	$metric = $1;
	$f[5] =~ /age\((\d+)\)/;
	$age = $1;
	unless (defined($gw{$dst})) {
		print "NOT FOUND: $dst $intf $gateway $metric $age\n";
		$err++;
		next;
	}
	if ($gw{$dst} ne $gateway && $gw{$dst} !~ /link#\d+/) {
		print "WRONG GW: $dst $intf $gateway $metric $age\n";
		print "kernel gw: $gw{$dst}\n";
		$err++;
		next;
	}
	if ($int{$dst} ne $intf) {
		print "WRONG IF: $dst $intf $gateway $metric $age\n";
		print "kernel if: $int{$dst}\n";
		$err++;
		next;
	}
}
close(FD);

if ($err == 0) {
	print "No error found\n";
}