public ServerProcessing ProcessMessage (IServerChannelSinkStack sinkStack,
IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream,
out IMessage responseMsg, out ITransportHeaders responseHeaders, out Stream responseStream)
{
// Check whether the request was already processed by another
// formatter sink and pass the request to the next sink if so.
if (requestMsg != null)
return next_sink.ProcessMessage (sinkStack,
requestMsg,
requestHeaders,
requestStream,
out responseMsg,
out responseHeaders,
out responseStream);
// Check whether the request is suitable for this formatter
// and pass the request to the next sink if not.
// Note that a null content-type is handled as suitable,
// otherwise no other sink will be able to handle the request.
string contentType = requestHeaders["Content-Type"] as string;
if (contentType == null || !contentType.StartsWith ("text/xml") || requestHeaders["SOAPAction"] == null) {
return next_sink.ProcessMessage (sinkStack,
requestMsg,
requestHeaders,
requestStream,
out responseMsg,
out responseHeaders,
out responseStream);
}
responseMsg = null;
responseHeaders = null;
responseStream = null;
ServerProcessing sp;
SoapMessageFormatter soapMsgFormatter = new SoapMessageFormatter();
sinkStack.Push(this, soapMsgFormatter);
try {
string url = (string)requestHeaders[CommonTransportKeys.RequestUri];
string uri;
_receiver.Parse(url, out uri);
if(uri == null) uri = url;
Type serverType = RemotingServices.GetServerTypeForUri(uri);
if (serverType == null) throw new RemotingException ("No receiver for uri " + uri);
SoapFormatter fm = _soapCore.GetSafeDeserializer ();
SoapMessage soapMessage = soapMsgFormatter.CreateSoapMessage (true);
fm.TopObject = soapMessage;
fm.Deserialize(requestStream);
requestMsg = soapMsgFormatter.BuildMethodCallFromSoapMessage(soapMessage, uri);
sp = next_sink.ProcessMessage(sinkStack, requestMsg, requestHeaders, null, out responseMsg, out responseHeaders, out responseStream);
if(sp == ServerProcessing.Complete) {
if(responseMsg != null && responseStream == null) {
object rtnMessageObject = soapMsgFormatter.BuildSoapMessageFromMethodResponse((IMethodReturnMessage) responseMsg, out responseHeaders);
responseStream = new MemoryStream();
_soapCore.Serializer.Serialize(responseStream, rtnMessageObject);
responseStream.Position = 0;
}
}
}
catch(Exception e)
{
responseMsg = (IMethodReturnMessage)new ReturnMessage(e, (IMethodCallMessage)requestMsg);
object rtnMessageObject = soapMsgFormatter.BuildSoapMessageFromMethodResponse((IMethodReturnMessage) responseMsg, out responseHeaders);
responseStream = new MemoryStream();
_soapCore.Serializer.Serialize(responseStream, rtnMessageObject);
responseStream.Position = 0;
sp = ServerProcessing.Complete;
}
if (sp == ServerProcessing.Complete)
sinkStack.Pop(this);
return sp;
}