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#!/usr/bin/perl
use strict;
use lib "/opt/vyatta/share/perl5/";
use VyattaConfig;
use VyattaNatRule;
sub numerically { $a <=> $b; }
exit 1 if ($#ARGV != 0);
my $xsl_file = $ARGV[0];
my %stats = (
source => [ ],
destination => [ ],
);
open(STATS, "iptables -t nat -L -vn |") or exit 1;
my $skey = "";
while (<STATS>) {
if (m/^Chain PREROUTING/) {
$skey = "destination";
} elsif (m/^Chain POSTROUTING/) {
$skey = "source";
} elsif (m/^Chain /) {
$skey = "";
}
if ($skey ne "" && (m/SNAT/ || m/DNAT/ || m/MASQUERADE/)) {
m/^\s*(\d+)\s+(\d+)\s/;
push @{$stats{$skey}}, ($1, $2);
}
}
close STATS;
open(RENDER, "| /opt/vyatta/sbin/render_xml $xsl_file") or exit 1;
# begin
print RENDER "<opcommand name='natrules'><format type='row'>\n";
my $config = new VyattaConfig;
$config->setLevel("service nat rule");
my @rules_pre = $config->listOrigNodes();
my $rule;
my @rules = sort numerically @rules_pre;
for $rule (@rules) {
my $nrule = new VyattaNatRule;
$nrule->setupOrig("service nat rule $rule");
my $ntype = $nrule->orig_type();
print RENDER " <row>\n";
print RENDER " <rule_num>$rule</rule_num>\n";
my $pkts = shift @{$stats{$ntype}};
my $bytes = shift @{$stats{$ntype}};
print RENDER " <pkts>$pkts</pkts>\n";
print RENDER " <bytes>$bytes</bytes>\n";
$nrule->outputXml(*RENDER{IO});
print RENDER " </row>\n";
}
# end
print RENDER "</format></opcommand>\n";
close RENDER;
exit 0;
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