private void BriefAction(XmlReader reader, ServiceAction action)
{
reader.Read ();
foreach (Argument argument in action.Arguments.Values) {
argument.Value = argument.RelatedStateVariable.DefaultValue;
}
while (Helper.ReadToNextElement (reader)) {
if (!action.Arguments.ContainsKey (reader.Name)) {
throw UpnpControlException.InvalidArgs ();
}
Argument argument = action.Arguments[reader.Name];
if (argument.RelatedStateVariable.DataType.IsEnum) {
try {
argument.Value = Enum.Parse (argument.RelatedStateVariable.DataType, reader.ReadString ());
} catch {
throw UpnpControlException.ArgumentValueOutOfRange ();
}
} else {
try {
argument.Value = Convert.ChangeType (reader.ReadString (), argument.RelatedStateVariable.DataType);
} catch {
throw UpnpControlException.InvalidArgs ();
}
// TODO handle min, max, and step
}
}
reader.Close ();
}
private void DebriefAction(HttpListenerContext context, ServiceAction action)
{
context.Response.ContentType = @"text/xml; charset=""utf-8""";
context.Response.Headers.Add ("Date", DateTime.Now.ToString ("r"));
context.Response.Headers.Add ("EXT:");
context.Response.AddHeader ("SERVER", ServerString);
Stream stream = context.Response.OutputStream;
XmlWriterSettings settings = new XmlWriterSettings ();
settings.Encoding = Encoding.UTF8;
XmlWriter writer = XmlWriter.Create (stream, settings);
Helper.WriteStartSoapBody (writer);
writer.WriteStartElement (action.Name + "Response", action.Service.Type.ToString ());
foreach (Argument argument in action.Arguments.Values) {
if (argument.Direction == ArgumentDirection.Out) {
DebriefArgument (writer, argument);
}
}
if (action.ReturnArgument != null) {
DebriefArgument (writer, action.ReturnArgument);
}
writer.WriteEndElement ();
Helper.WriteEndSoapBody (writer);
writer.Flush ();
context.Response.ContentLength64 = stream.Length;
}
