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ELMEX / AnyEvent-HTTPD-0.93 / samples / second_example 
#!/opt/perl/bin/perl
use common::sense;
use AnyEvent;
use AnyEvent::HTTPD;

my $cvar = AnyEvent->condvar;

my $httpd = AnyEvent::HTTPD->new (port => 19090);

$httpd->reg_cb (
   '' => sub {
      my ($httpd, $req) = @_;

      $req->respond ({ content => [ 'text/html',
         "<html><body><h1>Testing return types...</h1>"
         . "<img src=\"/image/bshttp.png\" />"
         . "</body></html>"
      ]});
   },
   '/image/bshttp.png' => sub {
      $_[0]->stop_request;

      open IMG, 'bshttp.png'
         or do { $_[1]->respond (
                    [404, 'not found', { 'Content-Type' => 'text/plain' }, 'Fail!']);
                    return };
      $_[1]->respond ({ content => [ 'image/png', do { local $/; <IMG> } ] });
   },
);

$cvar->wait;