//
// System.Runtime.Remoting.MetadataServices.SdlChannelSink
//
// Authors:
// Martin Willemoes Hansen (mwh@sysrq.dk)
//
// (C) 2003 Martin Willemoes Hansen
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Messaging;
using System.IO;
using System.Collections;
using System.Text;
namespace System.Runtime.Remoting.MetadataServices{
public class SdlChannelSink : IServerChannelSink, IChannelSinkBase
{
IServerChannelSink _next;
IChannelReceiver _channel;
public SdlChannelSink (IChannelReceiver receiver, IServerChannelSink nextSink)
{
_next = nextSink;
_channel = receiver;
}
public IServerChannelSink NextChannelSink
{
get { return _next; }
}
public IDictionary Properties
{
get { return null; }
}
public void AsyncProcessResponse (IServerResponseChannelSinkStack sinkStack,
object state,
IMessage msg,
ITransportHeaders headers,
Stream stream)
{
throw new NotSupportedException (); // Never called
}
public Stream GetResponseStream (IServerResponseChannelSinkStack sinkStack,
object state,
IMessage msg,
ITransportHeaders headers)
{
return null;
}
public ServerProcessing ProcessMessage (IServerChannelSinkStack sinkStack,
IMessage requestMsg,
ITransportHeaders requestHeaders,
Stream requestStream,
out IMessage responseMsg,
out ITransportHeaders responseHeaders,
out Stream responseStream)
{
responseMsg = null;
responseStream = null;
responseHeaders = null;
string verb = requestHeaders [CommonTransportKeys.RequestVerb] as string;
string uri = (string) requestHeaders [CommonTransportKeys.RequestUri];
if (verb == "GET" && uri.EndsWith ("?wsdl"))
{
try
{
uri = uri.Substring (0, uri.Length - 5);
Type type = RemotingServices.GetServerTypeForUri (uri);
string url = _channel.GetUrlsForUri (uri)[0];
ServiceType st = new ServiceType (type, url);
responseStream = new MemoryStream ();
MetaData.ConvertTypesToSchemaToStream (new ServiceType[] {st}, SdlType.Wsdl, responseStream);
responseStream.Position = 0;
responseMsg = null;
responseHeaders = new TransportHeaders ();
responseHeaders [CommonTransportKeys.ContentType] = "text/xml";
}
catch (Exception ex)
{
responseHeaders = new TransportHeaders ();
responseHeaders [CommonTransportKeys.HttpStatusCode] = "400";
responseStream = new MemoryStream (Encoding.UTF8.GetBytes (ex.ToString ()));
}
return ServerProcessing.Complete;
}
else
return _next.ProcessMessage (sinkStack, requestMsg, requestHeaders, requestStream, out responseMsg, out responseHeaders, out responseStream);
}
}
}
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