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//
// System.Runtime.Remoting.Channels.CORBA.CORBAClientFormatterSink.cs
//
// Author: Dietmar Maurer (dietmar@ximian.com)
//
// 2002 (C) Copyright, Ximian, Inc.
//
using System.Collections;
using System.IO;
using System.Runtime.Remoting.Messaging;
using System.Runtime.Remoting.Channels;
namespace System.Runtime.Remoting.Channels.CORBA
{
public class CORBAClientFormatterSink : IClientFormatterSink,
IMessageSink, IClientChannelSink, IChannelSinkBase
{
IClientChannelSink nextInChain;
CDRFormatter format = new CDRFormatter ();
public CORBAClientFormatterSink (IClientChannelSink nextSink)
{
nextInChain = nextSink;
}
public IClientChannelSink NextChannelSink
{
get {
return nextInChain;
}
}
public IMessageSink NextSink
{
get {
return (IMessageSink) nextInChain;
}
}
public IDictionary Properties
{
get {
return null;
}
}
public IMessageCtrl AsyncProcessMessage (IMessage msg,
IMessageSink replySink)
{
throw new NotImplementedException ();
}
public void AsyncProcessRequest (IClientChannelSinkStack sinkStack,
IMessage msg,
ITransportHeaders headers,
Stream stream)
{
// never called because the formatter sink is
// always the first in the chain
throw new NotSupportedException ();
}
[MonoTODO]
public void AsyncProcessResponse (IClientResponseChannelSinkStack sinkStack,
object state,
ITransportHeaders headers,
Stream stream)
{
throw new NotImplementedException ();
}
public Stream GetRequestStream (IMessage msg,
ITransportHeaders headers)
{
// never called
throw new NotSupportedException ();
}
public void ProcessMessage (IMessage msg,
ITransportHeaders requestHeaders,
Stream requestStream,
out ITransportHeaders responseHeaders,
out Stream responseStream)
{
// never called because the formatter sink is
// always the first in the chain
throw new NotSupportedException ();
}
public IMessage SyncProcessMessage (IMessage msg)
{
IMethodCallMessage call = (IMethodCallMessage)msg;
// we catch all exceptions to return them as message
try {
// create a new header
TransportHeaders req_headers = new TransportHeaders ();
//fixme: set some header values
Stream out_stream = new MemoryStream ();
// serialize msg to the stream
format.SerializeRequest (out_stream, msg);
// call the next sink
ITransportHeaders resp_headers;
Stream resp_stream;
nextInChain.ProcessMessage (msg, req_headers, out_stream, out resp_headers,
out resp_stream);
// deserialize resp_stream
IMessage result = (IMessage) format.DeserializeResponse (resp_stream, call);
// it's save to close the stream now
resp_stream.Close ();
return result;
} catch (Exception e) {
return new ReturnMessage (e, call);
}
}
}
}
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