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bandwidth
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#!/usr/bin/perl -w
# Copyright (C) 2010 Raptor 2101 [[email protected]]
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Plugin to monitor the current Bandwidth-Usage logged by ulog-acctd
#
# Magic markers (optional - only used by munin-config and some
# installation scripts):
#%# family=auto
#%# capabilities=autoconf
use strict;
use Socket;
use File::stat;
use Time::localtime;
use Time::Local;
sub SortByIp
{
my @decimalsA = split(/\./,$$a[0]);
my @decimalsB = split(/\./,$$b[0]);
my $compare = 0;
for(my $pos = 0; $pos < @decimalsA; $pos++)
{
if($decimalsA[$pos] ne $decimalsB[$pos])
{
$compare = $decimalsA[$pos] <=> $decimalsB[$pos];
last;
}
}
return $compare;
}
my $bandwidthFilePath = "/tmp/bandwidth.tmp";
if (!-e $bandwidthFilePath)
{
system("touch",$bandwidthFilePath);
exit;
}
my $secondsElapsed = time - stat($bandwidthFilePath)->mtime;
if($secondsElapsed == 0)
{
exit;
}
my $pmacctd = "/usr/sbin/pmacct";
my $input_pipe = "/tmp/pmacct_host_in.pipe";
my $output_pipe = "/tmp/pmacct_host_out.pipe";
sub ExtractBandwidth
{
my($config) = @_;
my @bandwidth = ();
open (my $query_controlerList, $pmacctd." -s -p ".$output_pipe."|") or die "Could not open firewall statistic output, $!";
while(<$query_controlerList>)
{
if ($_ =~ m/^192.168.\d{1,3}.\d{1,3}/)
{
my @values=split(' ',$_);
my $ip_address = $values[0];
my $upStream = int($values[2]*8/$secondsElapsed);
my $pos = @bandwidth;
$bandwidth[$pos] = [$ip_address, $upStream, 0];
}
}
open ($query_controlerList, $pmacctd." -s -p ".$input_pipe."|") or die "Could not open firewall statistic output, $!";
while(<$query_controlerList>)
{
if ($_ =~ m/^192.168.\d{1,3}.\d{1,3}/)
{
my @values=split(' ',$_);
my $ip_address = $values[0];
my $downStream = int($values[2]*8/$secondsElapsed);
my $pos;
for($pos = 0; $pos < @bandwidth; $pos++)
{
if($bandwidth[$pos][0] eq $ip_address)
{
last;
}
}
if ( $pos == @bandwidth)
{
$bandwidth[$pos][0] = $ip_address;
$bandwidth[$pos][1] = 0;
}
$bandwidth[$pos][2] = $downStream;
}
}
my @bandwidthCountersOld = ();
my $bandwidthFile;
open ($bandwidthFile ,$bandwidthFilePath) or die "Could not open bandwidth-file";
while(<$bandwidthFile>)
{
if ($_ =~ m/192.168.\d{1,3}.\d{1,3}/)
{
my $ip_address = $_;
chomp($ip_address);
my $match = 0;
foreach (@bandwidth)
{
if($$_[0] eq $ip_address)
{
$match = 1;
last;
}
}
if ($match == 0)
{
my $pos = @bandwidth;
$bandwidth[$pos] = [$ip_address, 0, 0]
}
}
}
@bandwidth = sort{SortByIp}@bandwidth;
if ($config)
{
print "graph_title Bandwidth Usage\n";
print "graph_args --base 1024\n";
print "graph_vlabel in (-) / out (+) per \$\{graph_period\}\n";
print "graph_category network\n";
print "graph_order \n";
foreach(@bandwidth)
{
my $ip_address = $$_[0];
my @numbers=split('\.', $ip_address);
my $id = $numbers[2]."_".$numbers[3];
#my $name = gethostbyaddr(inet_aton($ip_address), AF_INET) or $ip_address;
my $name;
$name = gethostbyaddr(inet_aton($ip_address), AF_INET);
if ( defined $name)
{
my @nameParts = split('\.',$name);
$name = $nameParts[0];
}
else
{
$name = $ip_address;
}
printf "graph_".$id."_down.label ".$id." received\n";
printf "graph_".$id."_down.type GAUGE\n";
printf "graph_".$id."_down.graph no\n";
printf "graph_".$id."_up.type GAUGE\n";
printf "graph_".$id."_up.label ".$name."\n";
printf "graph_".$id."_up.negative graph_".$id."_down\n";
}
}
else
{
my $bandwidthFile;
open ($bandwidthFile ,">".$bandwidthFilePath) or die "Could not open bandwidth-file";
foreach(@bandwidth)
{
my $ip_address = $$_[0];
my $downStream = $$_[1];
my $upStream = $$_[2];
print $bandwidthFile $ip_address."\n";
my @numbers=split('\.',$ip_address);
my $id = $numbers[2]."_".$numbers[3];
printf "graph_".$id."_down.value ".$downStream."\n";
printf "graph_".$id."_up.value ".$upStream."\n";
}
system($pmacctd." -e -p ".$output_pipe." >/dev/null");
system($pmacctd." -e -p ".$input_pipe." >/dev/null");
}
}
if(not defined ($ARGV[0]))
{
$ARGV[0] = "";
}
if($ARGV[0] eq "config")
{
ExtractBandwidth(1);
}
else
{
ExtractBandwidth(0);
}