my ($s_ip,$s_port) = ('127.0.0.1', $listen_port);
my $sin = sockaddr_in($s_port, inet_aton($s_ip))
or die "** Failed packing $s_ip:$s_port\n";
my ($s_ip,$s_port) = ('127.0.0.1', $listen_port);
my $sin = sockaddr_in($s_port, inet_aton($s_ip))
or die "** Failed packing $s_ip:$s_port\n";