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package MaxMind::DB::Writer::Tree::Processor::VisualizeTree;
use strict;
use warnings;
use namespace::autoclean;
our $VERSION = '0.300003';
use Data::Dumper::Concise;
use Digest::MD5 qw( md5_hex );
use GraphViz2;
use Net::Works::Network;
use Moose;
has ip_version => (
is => 'ro',
isa => 'Int',
required => 1,
);
has show_full_data_record => (
is => 'ro',
isa => 'Bool',
default => 0,
);
has graph => (
is => 'ro',
isa => 'GraphViz2',
init_arg => undef,
default => sub { GraphViz2->new( global => { directed => 1 } ) },
);
has _labels => (
is => 'ro',
init_arg => undef,
default => sub { {} },
);
## no critic (Subroutines::ProhibitManyArgs)
sub process_node_record {
my $self = shift;
my $node_num = shift;
my $dir = shift;
my $node_ip_num = shift;
my $node_prefix_length = shift;
my $record_ip_num = shift;
my $record_prefix_length = shift;
my $record_node_num = shift;
$self->graph()->add_edge(
from => $self->_label_for_node(
$node_num, $node_ip_num, $node_prefix_length
),
to => $self->_label_for_node(
$record_node_num, $record_ip_num, $record_prefix_length
),
label => ( $dir ? 'RIGHT' : 'LEFT' ),
);
return 1;
}
sub process_empty_record {
return;
}
sub process_data_record {
my $self = shift;
my $node_num = shift;
my $dir = shift;
my $node_ip_num = shift;
my $node_prefix_length = shift;
my $record_ip_num = shift;
my $record_prefix_length = shift;
my $value = shift;
$self->graph()->add_edge(
from => $self->_label_for_node(
$node_num, $node_ip_num, $node_prefix_length
),
to => $self->_network( $record_ip_num, $record_prefix_length ) . ' = '
. $self->_data_record_representation($value),
label => ( $dir ? 'RIGHT' : 'LEFT' ),
);
return 1;
}
sub _label_for_node {
my $self = shift;
my $node_num = shift;
my $ip_num = shift;
my $prefix_length = shift;
my $network = $self->_network( $ip_num, $prefix_length );
return $self->_labels()->{$node_num} //= sprintf(
'Node %d - %s (%s - %s)',
$node_num,
$network->as_string,
$network->first()->as_string,
$network->last()->as_string,
);
}
sub _data_record_representation {
my $self = shift;
my $value = shift;
if ( $self->show_full_data_record() ) {
return quotemeta( Dumper($value) );
}
else {
return md5_hex( Dumper($value) );
}
}
sub _network {
my $self = shift;
my $ip_num = shift;
my $prefix_length = shift;
return Net::Works::Network->new_from_integer(
integer => $ip_num,
prefix_length => $prefix_length,
version => $self->ip_version(),
);
}
__PACKAGE__->meta()->make_immutable();
1;
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