#!/usr/bin/perl
{
package TestWebServer;

use HTTP::Server::Simple::CGI;
use base qw(HTTP::Server::Simple::CGI);

my %dispatch = (
    '/login' => \&resp_login,
    # ...
);

sub handle_request {
    my $self = shift;
    my $cgi  = shift;
  
    my $path = $cgi->path_info();
    my $handler = $dispatch{$path};

    if (ref($handler) eq "CODE") {
        print "HTTP/1.1 200 OK\r\n";
        $handler->($cgi);
        
    } else {
        print "HTTP/1.1 404 Not found\r\n";
        print $cgi->header,
              $cgi->start_html('Not found'),
              $cgi->h1('Not found'),
              $cgi->end_html;
    }
}

sub resp_login {
    my $cgi  = shift;   # CGI.pm object
    return if !ref $cgi;

    my %params = $cgi->Vars();
    my ($user, $pass) = split /\0/, $params{DATA};

    print $cgi->header,
        $cgi->start_html("Info"),
        $cgi->p("You sent: user='$user', pass='$pass'"),
        $cgi->end_html;
}

} 

my $pid = TestWebServer->new(8080)->background();
print "Use 'kill $pid' to stop server.\n";