use strict;
use warnings;
use LWP::Parallel::UserAgent;

my $http = 'http://2ge.mine.nu/headers.php';
my $max_hosts = 10;

#registration of PARALLEL USER AGENT
my $pua = LWP::Parallel::UserAgent->new();
$pua->in_order  (0);          # handle requests in order
$pua->duplicates(0);          # ignore duplicates
$pua->timeout   (10);         # in seconds
$pua->redirect  (0);          # follow redirects
$pua->max_hosts ($max_hosts); # connect in parallel server
$pua->max_req   ($max_hosts); # max req per host

my $counter = 0;
my @agents = map "My agent $_", 1..15;

for (my $i=0; $counter<@agents; $i++) {
  my @reqs_l = ();
  for (my $j=0; $j<$max_hosts; $j++) { 
    push( @reqs_l,HTTP::Request->new('GET', $http) ); 
    }
  my $reqs = \@reqs_l; #this could be better?

  foreach my $req (@$reqs) {
    if (defined $agents[$counter]) {
      $pua->agent("$agents[$counter]");
      print "Registering agent: ".$counter."\n";
      if ( my $res = $pua->register ($req) ) { 
        print STDERR $res->error_as_HTML; 
        }  
      }
    $counter++;
  }

  my $entries = $pua->wait();

  my $cnt = 0;
  foreach (keys %$entries) {
    print "WRITING content to $cnt.txt\n";
    open(OUT,">$cnt.txt");
    my $res = $entries->{$_}->response;
    print OUT $res->content( );
    close OUT;
    $cnt++;
  }
}