use strict;
use warnings;
use IO::Socket::INET;

if ($ARGV[0] == 1) {
    my $server = IO::Socket::INET->new( LocalPort => 12000,
                                        Proto     => 'tcp',
                                        Listen    => SOMAXCONN,
                                        Reuse     => 1
    );

    die $! unless $server;

    while (my $sock = $server->accept) {
        print "Connected to sock\n";
        print while <$sock>;
    }
}

if ($ARGV[0] == 2) {
    my $sock = new IO::Socket::INET( PeerAddr => '127.0.0.1',
                                     PeerPort => 12000,
                                     Proto    => 'tcp',
                                     Blocking => 1
    );

    print "sock is $sock\n";

}