function main()
{
// Check whether this device needs to be redirected somewhere
$dev = Device::fromDatabaseByIpAddress($_SERVER['REMOTE_ADDR']);
if ($content = getContentForRedirect($dev, 0)) {
$output = new JsonOutput();
$output->setContent($content);
$output->output();
exit;
}
$td_code = gfGetVar('td_code', '');
$lastTicket = gfGetVar('lastTicket', 'A000');
$content = null;
$startTime = time();
while (time() - $startTime < 120) {
sleep(1);
// Check every second
$currentState = DisplayMain::fromDatabaseCompleteList($td_code);
if (count($currentState) == 0) {
continue;
}
if ($lastTicket != $currentState[0]->getTicket()) {
// Something changed, compute new tickets
$newTickets = array($currentState[0]);
$i = 1;
while ($i < count($currentState) && $i < 8 && $lastTicket != $currentState[$i]->getTicket()) {
$newTickets[] = $currentState[$i];
$i++;
}
$content = array('status' => 'changed', 'count' => count($newTickets), 'entries' => $newTickets);
break;
}
unset($currentState);
}
// End while
if (!$content) {
// Polling wait expired
$content = array('status' => 'unchanged');
}
$output = new JsonOutput();
$output->setContent($content);
$output->output();
}
