/// <summary>
/// Encodes a call of the specified <paramref name="action"/> with the given <paramref name="inParamValues"/> and
/// returns the resulting SOAP XML string.
/// </summary>
/// <param name="action">Action to be called.</param>
/// <param name="inParamValues">List of parameter values which must match the action's signature.
/// Can be <c>null</c> if the parameter list is empty.</param>
/// <param name="upnpVersion">UPnP version to use for the encoding.</param>
/// <returns>XML string which contains the SOAP document.</returns>
public static string EncodeCall(CpAction action, IList<object> inParamValues, UPnPVersion upnpVersion)
{
bool targetSupportsUPnP11 = upnpVersion.VerMin >= 1;
StringBuilder result = new StringBuilder(5000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
SoapHelper.WriteSoapEnvelopeStart(writer, true);
writer.WriteStartElement("u", action.Name, action.ParentService.ServiceTypeVersion_URN);
// Check input parameters
IList<CpArgument> formalArguments = action.InArguments;
if (inParamValues == null)
inParamValues = EMPTY_OBJECT_LIST;
if (inParamValues.Count != formalArguments.Count)
throw new ArgumentException("Invalid argument count");
for (int i = 0; i < formalArguments.Count; i++)
{
CpArgument argument = formalArguments[i];
object value = inParamValues[i];
writer.WriteStartElement(argument.Name);
argument.SoapSerializeArgument(value, !targetSupportsUPnP11, writer);
writer.WriteEndElement(); // argument.Name
}
SoapHelper.WriteSoapEnvelopeEndAndClose(writer);
}
return result.ToString();
}
public static string BuildEventNotificationMessage(IEnumerable<DvStateVariable> variables, bool forceSimpleValue)
{
StringBuilder result = new StringBuilder(1000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
writer.WriteStartDocument();
writer.WriteStartElement("e", "propertyset", UPnPConsts.NS_UPNP_EVENT);
writer.WriteAttributeString("xmlns", "xsi", null, UPnPConsts.NS_XSI);
foreach (DvStateVariable variable in variables)
{
writer.WriteStartElement("property", UPnPConsts.NS_UPNP_EVENT);
writer.WriteStartElement(variable.Name);
variable.DataType.SoapSerializeValue(variable.Value, forceSimpleValue, writer);
writer.WriteEndElement(); // variable.Name
writer.WriteEndElement(); // property
}
writer.WriteEndElement(); // propertyset
writer.WriteEndDocument();
writer.Close();
}
return result.ToString();
}
/// <summary>
/// Creates the UPnP description document for this root device and all embedded devices.
/// </summary>
/// <param name="serverData">Current server data structure.</param>
/// <param name="config">UPnP endpoint which will be used to create the endpoint specific information. The comment of
/// <see cref="DeviceTreeURLGenerator"/> describes why URLs must be adapted for each UPnP endpoint.</param>
/// <param name="culture">The culture to localize strings and URLs of the returned description document.</param>
/// <returns>UPnP device description document for this root device and all embedded devices.</returns>
public string BuildRootDeviceDescription(ServerData serverData, EndpointConfiguration config, CultureInfo culture)
{
StringBuilder result = new StringBuilder(10000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
GenerateDescriptionDlgt dgh = DescriptionGenerateHook;
writer.WriteStartDocument();
writer.WriteStartElement(string.Empty, "root", UPnPConsts.NS_DEVICE_DESCRIPTION);
if (dgh != null)
dgh(writer, this, GenerationPosition.RootDeviceStart, config, culture);
writer.WriteAttributeString("configId", config.ConfigId.ToString());
writer.WriteStartElement("specVersion");
writer.WriteElementString("major", UPnPConsts.UPNP_VERSION_MAJOR.ToString());
writer.WriteElementString("minor", UPnPConsts.UPNP_VERSION_MINOR.ToString());
writer.WriteEndElement(); // specVersion
AddDeviceDescriptionsRecursive(writer, config, culture);
if (dgh != null)
dgh(writer, this, GenerationPosition.RootDeviceEnd, config, culture);
writer.WriteEndElement(); // root
writer.Close();
}
return result.ToString();
}
public static string CreateFaultDocument(uint errorCode, string errorDescription)
{
StringBuilder result = new StringBuilder(2000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
SoapHelper.WriteSoapEnvelopeStart(writer, false);
writer.WriteStartElement("Fault", UPnPConsts.NS_SOAP_ENVELOPE);
string soapNamespacePrefix = writer.LookupPrefix(UPnPConsts.NS_SOAP_ENVELOPE);
writer.WriteElementString("faultcode", soapNamespacePrefix + ":Client");
writer.WriteElementString("faultstring", "UPnPError");
writer.WriteStartElement("detail");
writer.WriteStartElement(string.Empty, "UPnPError", UPnPConsts.NS_UPNP_CONTROL);
writer.WriteElementString("errorCode", errorCode.ToString());
writer.WriteElementString("errorDescription", errorDescription);
writer.WriteEndElement(); // UPnPError
writer.WriteEndElement(); // detail
writer.WriteEndElement(); // s:Fault
SoapHelper.WriteSoapEnvelopeEndAndClose(writer);
}
return result.ToString();
}
protected static string CreateResultDocument(DvAction action, IList<OutParameter> outParameters, bool forceSimpleValues)
{
StringBuilder result = new StringBuilder(2000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
SoapHelper.WriteSoapEnvelopeStart(writer, true);
writer.WriteStartElement("u", action.Name + "Response", action.ParentService.ServiceTypeVersion_URN);
foreach (OutParameter parameter in outParameters)
{
writer.WriteStartElement(parameter.Argument.Name);
parameter.Argument.SoapSerializeArgument(parameter.Value, forceSimpleValues, writer);
writer.WriteEndElement(); // parameter.Argument.Name
}
writer.WriteEndElement(); // u:[action.Name]Response
SoapHelper.WriteSoapEnvelopeEndAndClose(writer);
}
return result.ToString();
}
/// <summary>
/// Creates the UPnP service description for this service.
/// </summary>
/// <param name="config">Endpoint configuration for that the SCPD document should be created.</param>
/// <param name="serverData">Global server data structure.</param>
/// <returns>UPnP service description document.</returns>
public string BuildSCPDDocument(EndpointConfiguration config, ServerData serverData)
{
StringBuilder result = new StringBuilder(10000);
using (StringWriterWithEncoding stringWriter = new StringWriterWithEncoding(result, UPnPConsts.UTF8_NO_BOM))
using (XmlWriter writer = XmlWriter.Create(stringWriter, UPnPConfiguration.DEFAULT_XML_WRITER_SETTINGS))
{
writer.WriteStartDocument();
writer.WriteStartElement(string.Empty, "scpd", UPnPConsts.NS_SERVICE_DESCRIPTION);
// Datatype schema namespaces
uint ct = 0;
HashSet<string> schemaURIs = new HashSet<string>();
foreach (DvStateVariable stateVariable in _stateVariables.Values)
{
DvDataType dataType = stateVariable.DataType;
if (dataType is DvExtendedDataType)
{
string schemaURI = ((DvExtendedDataType) dataType).SchemaURI;
if (schemaURIs.Contains(schemaURI))
continue;
schemaURIs.Add(schemaURI);
writer.WriteAttributeString("xmlns", "dt" + ct++, null, schemaURI);
}
}
writer.WriteAttributeString("configId", config.ConfigId.ToString());
writer.WriteStartElement("specVersion");
writer.WriteElementString("major", UPnPConsts.UPNP_VERSION_MAJOR.ToString());
writer.WriteElementString("minor", UPnPConsts.UPNP_VERSION_MINOR.ToString());
writer.WriteEndElement(); // specVersion
ICollection<DvAction> actions = _actions.Values;
if (actions.Count > 0)
{
writer.WriteStartElement("actionList");
foreach (DvAction action in actions)
action.AddSCPDDescriptionForAction(writer);
writer.WriteEndElement(); // actionList
}
writer.WriteStartElement("serviceStateTable");
foreach (DvStateVariable stateVariable in _stateVariables.Values)
stateVariable.AddSCPDDescriptionForStateVariable(writer);
writer.WriteEndElement(); // serviceStateTable
writer.WriteEndElement(); // scpd
writer.WriteEndDocument();
writer.Close();
}
return result.ToString();
}
