XMPPStream::wait_for_sasl_response PHP Method

    public function wait_for_sasl_response($event, $args)
    {
        switch ($event) {
            case "stanza_cb":
                $stanza = $args[0];
                if ($stanza->name == 'failure' && $stanza->ns == XMPP::NS_SASL) {
                    $reason = $stanza->children[0]->name;
                    //JAXLLogger::debug("sasl failed with reason ".$reason."");
                    $this->handle_auth_failure($reason);
                    return "logged_out";
                } elseif ($stanza->name == 'challenge' && $stanza->ns == XMPP::NS_SASL) {
                    $challenge = $stanza->text;
                    $this->send_challenge_response($challenge);
                    return "wait_for_sasl_response";
                } elseif ($stanza->name == 'success' && $stanza->ns == XMPP::NS_SASL) {
                    $this->xml->reset_parser();
                    $this->send_start_stream($this->jid);
                    return "wait_for_stream_start";
                } else {
                    JAXLLogger::debug("got unhandled sasl response");
                }
                return "wait_for_sasl_response";
                break;
            default:
                JAXLLogger::debug("uncatched {$event}");
                return $this->handle_other($event, $args);
                //return array("wait_for_sasl_response", 0);
                break;
        }
    }