public function executeGraphPNG(sfWebRequest $request)
{
$etva_network = EtvaNetworkPeer::retrieveByPK($request->getParameter('id'));
$etva_server = $etva_network->getEtvaServer();
$etva_node = $etva_server->getEtvaNode();
$graph_start = $request->getParameter('graph_start');
$graph_end = $request->getParameter('graph_end');
$mac_strip = str_replace(':', '', $etva_network->getMac());
try {
$network_rra = new ServerNetworkRRA($etva_node->getUuid(), $etva_server->getUuid(), $mac_strip);
$title = sprintf("%s :: %s", $etva_server->getName(), $etva_network->getMac());
$this->getResponse()->setContentType('image/png');
$this->getResponse()->setHttpHeader('Content-Type', 'image/png', TRUE);
$this->getResponse()->sendHttpHeaders();
$this->getResponse()->setContent(print $network_rra->getGraphImg($title, $graph_start, $graph_end));
return sfView::HEADER_ONLY;
} catch (sfFileException $e) {
$error = array('success' => false, 'error' => $e->getMessage());
$error = $this->setJsonError($error);
return $this->renderText($error);
}
}