QDomNode QDomDocumentProto::lastChild() const
{
QDomDocument *item = qscriptvalue_cast<QDomDocument*>(thisObject());
if (item)
return item->lastChild();
return QDomNode();
}
// The QHttp object retrieved data.
void Service::slotRequestFinished()
{
QNetworkReply * reply = qobject_cast<QNetworkReply *>(sender());
qDebug() << "UPnP::Service: received HTTP response for request " << endl;
if(!reply)
{
qWarning() << "UPnP::Service - HTTP Request failed: " << reply->errorString() << endl;
m_iPendingRequests--;
emit queryFinished(true);
return;
}
if(reply->error() != QNetworkReply::NoError)
{
qWarning() << "UPnP::Service - HTTP Request failed: " << reply->errorString() << endl;
m_iPendingRequests--;
emit queryFinished(true);
reply->deleteLater();
return;
}
// Get the XML content
QByteArray response = reply->readAll();
QDomDocument xml;
qDebug() << "Response:\n"
<< response << "\n---\n";
// Parse the XML
QString errorMessage;
bool error = !xml.setContent(response, false, &errorMessage);
if(!error)
{
QString baseNamespace = xml.documentElement().tagName();
if(baseNamespace.length() > 0)
{
int cutAt = baseNamespace.indexOf(':');
if(cutAt > -1)
{
baseNamespace.truncate(cutAt);
qDebug() << "Device is using " << baseNamespace << " as XML namespace" << endl;
m_szBaseXmlPrefix = baseNamespace;
}
}
// Determine how to process the data
if(xml.namedItem(m_szBaseXmlPrefix + ":Envelope").isNull())
{
qDebug() << "UPnP::Service: plain XML detected, calling gotInformationResponse()." << endl;
// No SOAP envelope found, this is a normal response to callService()
gotInformationResponse(xml.lastChild());
}
else
{
qDebug() << xml.toString() << endl;
// Got a SOAP message response to callAction()
QDomNode resultNode = XmlFunctions::getNode(xml, "/" + m_szBaseXmlPrefix + ":Envelope/" + m_szBaseXmlPrefix + ":Body").firstChild();
error = (resultNode.nodeName() == m_szBaseXmlPrefix + ":Fault");
if(!error)
{
if(resultNode.nodeName().startsWith("m:") || resultNode.nodeName().startsWith("u:"))
{
qDebug() << "UPnP::Service: SOAP envelope detected, calling gotActionResponse()." << endl;
// Action success, return SOAP body
QMap<QString, QString> resultValues;
// Parse all parameters
// It's possible to pass the entire QDomNode object to the gotActionResponse()
// function, but this is somewhat nicer, and reduces code boat in the subclasses
QDomNodeList children = resultNode.childNodes();
for(int i = 0; i < children.count(); i++)
{
QString key = children.item(i).nodeName();
resultValues[key] = children.item(i).toElement().text();
}
// Call the gotActionResponse()
gotActionResponse(resultNode.nodeName().mid(2), resultValues);
}
}
else
{
qDebug() << "UPnP::Service: SOAP error detected, calling gotActionResponse()." << endl;
// Action failed
gotActionErrorResponse(resultNode);
}
}
}
else
{
qWarning() << "UPnP::Service - XML parsing failed: " << errorMessage << endl;
}
// Only emit when bytes>0
m_iPendingRequests--;
emit queryFinished(error);
}
