function handle_connection($sock) {
  global $agi;

  $msgsock = socket_accept($sock);
  $pid=pcntl_fork();
  if ($pid == 0) {
    pcntl_signal(SIGHUP,SIG_IGN);
    pcntl_signal(SIGTERM,SIG_IGN);
//    pcntl_signal(SIGHUP,"handle_signal");
    require_once("/var/lib/asterisk/agi-bin/phpagi/phpfastagi.php");
    $agi=new AGI($msgsock);
    $var=$agi->request['agi_network_script'];
    $agiurl=parse_url($var);
    parse_str($agiurl['query']);
    if (isset($agiurl['path'])) {
            require_once("/var/lib/asterisk/agi-bin/" . $agiurl['path']);
    }
    socket_close($msgsock);
    exit;
  } else {
    pcntl_signal(SIGCLD,SIG_IGN);
    pcntl_signal(SIGHUP,SIG_IGN);
  }
}

$sock=socket_create(AF_INET,SOCK_STREAM,0);

if ($_SERVER['argv'][1] != "" ) {
  socket_bind($sock,$_SERVER['argv'][1],$port) or die("Bind Failed\n");
} else {
  socket_bind ($sock,$address,$port) or die("Bind Failed\n");
}

socket_listen($sock,128);


if (pcntl_fork() == 0) {
  pcntl_signal(SIGCLD,SIG_IGN);
  while(true) {
    handle_connection($sock);
  }
} else {
  exit;
}