#!/usr/bin/perl
use strict;
use warnings FATAL => qw(all);

{ package test;

use IO::Socket::INET;

our @ISA = ('IO::Socket::INET');

my %field;

sub new {
	my $class = shift;

	my $self = bless \do { 
		new IO::Socket::INET(
			PeerAddr => '127.0.0.1:80',
			Proto => 'tcp',
			Blocking => 0
		);
	}, $class;

	$field{$self} = shift;

	return $self;
}

sub getField {
	my $self = shift;
	return $field{$self};
}

sub DESTROY {
	my $self = shift;
	delete $field{$self};
	$self->SUPER::DESTROY();
	print STDERR "Bye!\n";
}

1; }

my $obj = test->new('okay');
print $obj->getField."\n";
print $obj->sockhost."\n";      

##</code><code>##

root~/perl»./test1.pl 
okay
Not a GLOB reference at /usr/lib64/perl5/5.14.2/x86_64-linux-thread-multi/IO/Socket.pm line 246.
Bye!

##</code><code>##

#!/usr/bin/perl
use strict;
use warnings FATAL => qw(all);

{ package test;

use IO::Socket::INET;

our @ISA = ('IO::Socket::INET');

my %field;

sub new {
	my $class = shift;
	my $self = $class->SUPER::new (
		PeerAddr => '127.0.0.1:80',
		Proto => 'tcp',
		Blocking => 0
	);
	$field{$self} = pop;
	return $self;
}

sub getField {
	my $self = shift;
	return $field{$self};
}

sub DESTROY {
	my $self = shift;
	delete $field{$self};
	$self->SUPER::DESTROY();
	print STDERR "Bye!\n";
}

1; }

my $obj = test->new("okay");
print $obj->getField."\n";
print $obj->sockhost."\n";

my $two = test->new("two");
print $two->getField."\n";

##</code><code>##

root~/perl»./test2.pl 
okay
127.0.0.1
two
Bye!
Bye!