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# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# 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.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2008 Vyatta, Inc.
# All Rights Reserved.
# **** End License ****
package VyattaQosMatch;
require VyattaConfig;
use VyattaQosUtil;
use strict;
my %fields = (
_dev => undef,
_vif => undef,
_ip => undef,
);
sub new {
my ( $that, $config ) = @_;
my $self = {%fields};
my $class = ref($that) || $that;
bless $self, $class;
$self->_define($config);
return $self;
}
sub _define {
my ( $self, $config ) = @_;
my $level = $config->setLevel();
$self->{_vif} = $config->returnValue("vif");
$self->{_dev} = VyattaQosUtil::getIfIndex($config->returnValue("interface"));
if ($config->exists("ip")) {
my %ip;
$ip{dsfield} = VyattaQosUtil::getDsfield( $config->returnValue("ip dscp"));
$ip{protocol} = VyattaQosUtil::getProtocol($config->returnValue("ip protocol"));
$ip{src} = $config->returnValue("ip source address");
$ip{dst} = $config->returnValue("ip destination address");
$ip{sport} = $config->returnValue("ip source port");
$ip{dport} = $config->returnValue("ip destination port");
$self->{_ip} = \%ip;
}
}
sub filter {
my ( $self, $out, $dev, $parent, $id ) = @_;
my $ip = $self->{_ip};
my $indev = $self->{_dev};
my $vif = $self->{_vif};
# Catch empty match
if (! (defined $ip || defined $indev || defined $vif)) {
return;
}
printf {$out} "filter add dev $dev parent %x:0 prio 1", $parent;
if (defined $ip) {
print {$out} " protocol ip u32";
print {$out} " match ip dsfield $$ip{dsfield} 0xff"
if defined $$ip{dsfield};
print {$out} " match ip protocol $$ip{protocol} 0xff"
if defined $$ip{protocol};
print {$out} " match ip src $$ip{src}"
if defined $$ip{src};
print {$out} " match ip sport $$ip{sport} 0xffff"
if defined $$ip{sport};
print {$out} " match ip dst $$ip{dst}"
if defined $$ip{dst};
print {$out} " match ip dport $$ip{dport} 0xffff"
if defined $$ip{dport};
} else {
print {$out} " protocol all basic";
print {$out} " match meta\(rt_iif eq $indev\)"
if (defined $indev);
print {$out} " match meta\(vlan mask 0xfff eq $vif\)"
if (defined $vif);
}
printf {$out} " classid $parent:%x\n", $id;
}
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