#!/usr/local/bin/perl5
# -*- mode: Perl -*-
##################################################################
# Extract Input and Output values for target
##################################################################
# Created by Laurie Gellatly <gellatly@one.net.au>
# This reads an OV_DB file for the target and interface
# and prints a single line for In, Out, "UPTIME" and Target
#################################################################
#
# Distributed under the GNU copyleft
#
# $Id: ovcvtfile,v 1.1.1.1 2002/02/26 10:16:36 oetiker Exp $
#
use strict;
use vars '$DEBUG';
my $ov_db = "/var/opt/OV/share/databases";
my $DEBUG = 0;
my($target, $interface, $io , $in, $out, $uptime) ;
my ($cnt, $data, $recno, $junk);
my @names = ( "IfInErrors", "IfOutErrors",
"IfInOctets", "IfOutOctets", "avgBusy5", "sysUpTime");
my @namext = (".err", "", ".cpu");
my ($val);
my $recsz = 24;
my ($oldtime) = time - 550;
sub main {
my($extn) = "";
$target = $ARGV[0];
$interface = $ARGV[1];
$io = $ARGV[2];
die <<USAGE unless (defined($target) && defined($interface) && defined($io));
USAGE: ovcvtfile 'IPADDress Interface# io=1|err=0|cpu=2'
EXAMPLE: ovcvtfile 193.20.1.1 4 1
Read target 193.20.1.1 for interface 4 Input and Output Octets
USAGE
if ($ov_db eq ""){
$ov_db = "/var/opt/OV/share/databases";
}
$ov_db= $ov_db."/snmpCollect/";
$extn = $namext[$io];
$uptime = pretty_uptime_value();
$in = get(2*$io,$interface);
if ($io == 2) {
$out = $in;
} else {
$out = get(1+2*$io,$interface);
}
print <<ECHO;
$in
$out
$uptime
$target.$interface$extn
ECHO
}
main;
exit(0);
sub get {
my ($ind,$interface) = @_;
my ($file) = $ov_db.$names[$ind].".".$interface;
open (RAWIN , $file) or die "Could not open $file";
my ($junk, $junk, $junk, $junk, $junk, $junk, $junk, $recno) = stat $file;
my ($starttime, $entime, $IPAdd1, $IPAdd2, $IPAdd3, $IPAdd4, $cnt, $val) ;
$recno = ($recno / $recsz) - 1 ;
my ($notfound) = $recno > -1;
binmode(RAWIN);
while ($notfound){
# Read from the end of file backwards
seek(RAWIN,$recno * $recsz, 0);
read(RAWIN, $data, $recsz);
($starttime, $entime, $IPAdd1, $IPAdd2, $IPAdd3, $IPAdd4, $junk, $cnt, $val) =
unpack("NNCCCCNNN",$data);
if ($oldtime > $entime) {
$val = 0;
$notfound = 0;
} elsif ($target eq $IPAdd1.".".$IPAdd2.".".$IPAdd3.".".$IPAdd4){
if((pack"s",1) eq (pack"v",1)){
$notfound = $cnt;
$cnt = $val;
$val = $notfound;
}
$notfound = 0;
$val = unpack"d",pack"LL",$cnt,$val;
} else {
$recno--;
if ( $recno < 0 ){
$notfound = 0;
}
}
}
close (RAWIN);
if ($ind < 2){
$val = $val * ($entime - $starttime);
}
$val = int($val);
return ($val);
}
sub pretty_uptime_value () {
my ($uptime) = get(5,0);
if ($uptime == 0){
return "An unknown amount of time";
}
my ($seconds,$minutes,$hours,$days,$result);
## We divide the uptime by hundred since we're not interested in
## sub-second precision.
$uptime = int ($uptime / 100);
$days = int ($uptime / (60 * 60 * 24));
$uptime %= (60 * 60 * 24);
$hours = int ($uptime / (60 * 60));
$uptime %= (60 * 60);
$minutes = int ($uptime / 60);
$seconds = $uptime % 60;
if ($days == 0){
$result = sprintf ("%d:%02d:%02d", $hours, $minutes, $seconds);
} elsif ($days == 1) {
$result = sprintf ("%d day, %d:%02d:%02d",
$days, $hours, $minutes, $seconds);
} else {
$result = sprintf ("%d days, %d:%02d:%02d",
$days, $hours, $minutes, $seconds);
}
return $result;
}