function main()
{
$controller = new Controller();
$user = $controller->GetUser();
if ($user == null) {
header("HTTP/1.0 404 Not Found");
header("Content-type: text/plain; charset=utf-8");
echo "User not found";
return;
}
$plantid = $_GET[plantid];
if ($plantid == null) {
header("HTTP/1.0 404 Not Found");
header("Content-type: text/plain; charset=utf-8");
echo "No Plant id given";
return;
}
$plant = $user->GetPlantById($plantid);
if ($plant == null) {
header("HTTP/1.0 404 Not Found");
header("Content-type: text/plain; charset=utf-8");
echo "No Plant found";
return;
}
$descriptorspec = array(0 => array("pipe", "r"), 1 => array("pipe", "w"), 2 => array("pipe", "w"));
$cwd = realpath(".");
$process = proc_open("../cgi/renderAsPNG " . escapeshellarg($plant->Name), $descriptorspec, $pipes, $cwd, array());
if (is_resource($process)) {
// $pipes sieht nun so aus:
// 0 => Schreibhandle, das auf das Child STDIN verbunden ist
// 1 => Lesehandle, das auf das Child STDOUT verbunden ist
// Jedwede Fehlerausgaben werden an /tmp/error-output.txt angefügt
header("Content-type: image/png");
header("Expires: Mon, 20 Dec 1998 01:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
fwrite($pipes[0], $plant->Code);
fclose($pipes[0]);
echo stream_get_contents($pipes[1]);
fclose($pipes[1]);
fclose($pipes[2]);
$return_value = proc_close($process);
}
}
