a575963da9
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
164 lines
4.8 KiB
C#
164 lines
4.8 KiB
C#
//
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// Mono.Remoting.Channels.Unix.UnixBinaryServerFormatterSink.cs
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//
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// Author: Duncan Mak (duncan@ximian.com)
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// Lluis Sanchez Gual (lluis@ideary.com)
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//
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// 2002 (C) Copyright, Ximian, Inc.
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.IO;
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using System.Runtime.Remoting.Messaging;
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using System.Runtime.Remoting.Channels;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Formatters;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Runtime.InteropServices;
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namespace Mono.Remoting.Channels.Unix {
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internal class UnixBinaryServerFormatterSink : IServerChannelSink, IChannelSinkBase
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{
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UnixBinaryCore _binaryCore = UnixBinaryCore.DefaultInstance;
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IServerChannelSink next_sink;
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IChannelReceiver receiver;
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public UnixBinaryServerFormatterSink (IServerChannelSink nextSink, IChannelReceiver receiver)
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{
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this.next_sink = nextSink;
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this.receiver = receiver;
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}
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internal UnixBinaryCore BinaryCore
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{
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get { return _binaryCore; }
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set { _binaryCore = value; }
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}
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public IServerChannelSink NextChannelSink {
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get {
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return next_sink;
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}
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}
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public IDictionary Properties {
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get {
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return null;
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}
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}
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public void AsyncProcessResponse (IServerResponseChannelSinkStack sinkStack, object state,
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IMessage message, ITransportHeaders headers, Stream stream)
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{
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ITransportHeaders responseHeaders = new TransportHeaders();
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if (sinkStack != null) stream = sinkStack.GetResponseStream (message, responseHeaders);
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if (stream == null) stream = new MemoryStream();
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_binaryCore.Serializer.Serialize (stream, message, null);
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if (stream is MemoryStream) stream.Position = 0;
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sinkStack.AsyncProcessResponse (message, responseHeaders, stream);
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}
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public Stream GetResponseStream (IServerResponseChannelSinkStack sinkStack, object state,
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IMessage msg, ITransportHeaders headers)
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{
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return null;
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}
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public ServerProcessing ProcessMessage (IServerChannelSinkStack sinkStack,
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IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream,
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out IMessage responseMsg, out ITransportHeaders responseHeaders, out Stream responseStream)
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{
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sinkStack.Push (this, null);
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ServerProcessing res;
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try
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{
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string url = (string)requestHeaders["__RequestUri"];
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string uri;
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receiver.Parse (url, out uri);
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if (uri == null) uri = url;
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MethodCallHeaderHandler mhh = new MethodCallHeaderHandler(uri);
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requestMsg = (IMessage) _binaryCore.Deserializer.Deserialize (requestStream, new HeaderHandler(mhh.HandleHeaders));
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res = next_sink.ProcessMessage (sinkStack, requestMsg, requestHeaders, null, out responseMsg, out responseHeaders, out responseStream);
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}
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catch (Exception ex)
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{
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responseMsg = new ReturnMessage (ex, (IMethodCallMessage)requestMsg);
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res = ServerProcessing.Complete;
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responseHeaders = null;
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responseStream = null;
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}
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if (res == ServerProcessing.Complete)
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{
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for (int n=0; n<3; n++) {
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responseStream = null;
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responseHeaders = new TransportHeaders();
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if (sinkStack != null) responseStream = sinkStack.GetResponseStream (responseMsg, responseHeaders);
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if (responseStream == null) responseStream = new MemoryStream();
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try {
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_binaryCore.Serializer.Serialize (responseStream, responseMsg);
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break;
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} catch (Exception ex) {
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if (n == 2) throw ex;
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else responseMsg = new ReturnMessage (ex, (IMethodCallMessage)requestMsg);
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}
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}
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if (responseStream is MemoryStream) responseStream.Position = 0;
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sinkStack.Pop (this);
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}
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return res;
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}
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}
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internal class MethodCallHeaderHandler
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{
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string _uri;
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public MethodCallHeaderHandler (string uri)
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{
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_uri = uri;
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}
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public object HandleHeaders (Header[] headers)
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{
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return _uri;
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}
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}
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}
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