#blah.pm:

package blah;
use Storable qw(freeze thaw);
use IO::Socket;

sub new {
    $self = {};
    bless($self);
    return $self;
}

sub setA {
    my ($self, $a) = @_;
    $self->{"A"} = $a;
}

sub getA {
    my $self = shift;
    return $self->{"A"}
}
#################
sub Send{
  # Freeze and send myself over UDP
  my ($self, $ToPort) = @_;
  my $blah_freezed = freeze($self);
  $ToPort |= 3000;
  my $c = new IO::Socket::INET(Proto => "udp",
                                    PeerAddr => "localhost",
                                    PeerPort => $ToPort,
                                    Timeout => 1);
  print "Connected\n";
  $c->send($blah_freezed);
  close $c;
}
######################
sub Recieve{
  # Instantiate an object by thawing item recieved via UDP
  my ($self, $FromPort) = @_;
  $FromPort |= 3000;
  my $server = new IO::Socket::INET(Timeout => 7200,
                                   Proto => "udp",
                                    LocalPort => $FromPort,
                                    LocalHost => "localhost");
  print "Server is listening ...\n";
  my $blah_freezed;
  $server->recv($blah_freezed, 1000);

  close $server;
  return bless thaw($blah_freezed);
}
######################
1;


#c.pl:

use blah;
use strict;
use warnings;

my $blah = blah->new();
$blah->setA(123);
$blah->Send();


#s.pl:
# Instantiate an object (Created via socket, behind the scenes).
use blah;
use strict;
use warnings;

my $blah = blah->Recieve();
print $blah->getA();