public function actionNsi()
 {
     $proxy = new NSIProxy();
     $proxy->loadFile('http://localhost/rnptopo2.xml');
     $proxy->parseTopology();
     return $proxy->xml->saveXML();
 }
 public function actionNotify()
 {
     $proxy = new NSIProxy();
     $proxy->loadFile('https://agg.cipo.rnp.br/dds/documents?id=urn:ogf:network:cipo.rnp.br:2013:');
     $proxy->parseTopology();
     $message = '<?xml version="1.0" encoding="UTF-8"?>' . '<tns:notifications xmlns:tns="http://schemas.ogf.org/nsi/2014/02/discovery/types" ' . 'providerId="urn:ogf:network:ufrgs.br:2015:nsa:proxy" ' . 'id="6" href="">' . '<tns:notification>' . '<discovered>none</discovered>' . '<event>Update</event>' . $proxy->xml->saveHTML() . '</tns:notification>' . '</tns:notifications>';
     $xml = new \DOMDocument();
     $xml->loadXML($message);
     $ch = curl_init();
     foreach (Subscription::find()->asArray()->all() as $sub) {
         foreach ($xml->getElementsByTagNameNS('http://schemas.ogf.org/nsi/2014/02/discovery/types', 'notifications') as $subXml) {
             $subXml->setAttribute('id', $sub['id']);
         }
         Yii::trace($xml->saveXML());
         $options = array(CURLOPT_RETURNTRANSFER => true, CURLOPT_SSL_VERIFYHOST => false, CURLOPT_SSL_VERIFYPEER => false, CURLOPT_POST => 1, CURLOPT_POSTFIELDS => $xml->saveXML(), CURLOPT_HTTPHEADER => array('Accept-encoding: application/xml;charset=utf-8', 'Content-Type: application/xml;charset=utf-8'), CURLOPT_USERAGENT => 'Meican', CURLOPT_URL => $sub['discovery_url']);
         curl_setopt_array($ch, $options);
         $output = curl_exec($ch);
     }
     curl_close($ch);
     return "";
 }