mcs/class/System.Runtime.Remoting/System.Runtime.Remoting.Channels/SoapClientFormatterSink.cs

   1 //\r
   2 // System.Runtime.Remoting.Channels.SoapClientFormatterSink.cs\r
   3 //\r
   4 // Authors:     Rodrigo Moya (rodrigo@ximian.com)\r
   5 //              Jean-Marc André (jean-marc.andre@polymtl.ca)\r
   6 //\r
   7 // 2002 (C) Copyright, Ximian, Inc.\r
   8 //\r
   9 \r
  10 //\r
  11 // Permission is hereby granted, free of charge, to any person obtaining\r
  12 // a copy of this software and associated documentation files (the\r
  13 // "Software"), to deal in the Software without restriction, including\r
  14 // without limitation the rights to use, copy, modify, merge, publish,\r
  15 // distribute, sublicense, and/or sell copies of the Software, and to\r
  16 // permit persons to whom the Software is furnished to do so, subject to\r
  17 // the following conditions:\r
  18 // \r
  19 // The above copyright notice and this permission notice shall be\r
  20 // included in all copies or substantial portions of the Software.\r
  21 // \r
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  29 //\r
  30 \r
  31 using System.Collections;\r
  32 using System.IO;\r
  33 using System.Reflection;\r
  34 using System.Runtime.Remoting.Messaging;\r
  35 using System.Runtime.Serialization;\r
  36 using System.Runtime.Serialization.Formatters;\r
  37 using System.Runtime.Serialization.Formatters.Soap;\r
  38 \r
  39 namespace System.Runtime.Remoting.Channels\r
  40 {\r
  41         public class SoapClientFormatterSink : IClientFormatterSink,\r
  42                 IMessageSink, IClientChannelSink, IChannelSinkBase\r
  43         {\r
  44                 private IClientChannelSink _nextChannelSink;\r
  45                 private SoapCore _soapCore = SoapCore.DefaultInstance;\r
  46 \r
  47                 public SoapClientFormatterSink (IClientChannelSink sink)\r
  48                 {\r
  49                         _nextChannelSink = sink;\r
  50                 }\r
  51                 \r
  52                 internal SoapCore SoapCore\r
  53                 {\r
  54                         get { return _soapCore; }\r
  55                         set { _soapCore = value; }\r
  56                 }\r
  57                 \r
  58                 // IClientChannelSink\r
  59                 public IClientChannelSink NextChannelSink\r
  60                 {\r
  61                         get {\r
  62                                 return _nextChannelSink;\r
  63                         }\r
  64                 }\r
  65                 \r
  66                 // IMessageSink\r
  67                 public IMessageSink NextSink\r
  68                 {\r
  69                         get {\r
  70                                 return null ;\r
  71                         }\r
  72                 }\r
  73                 \r
  74                 // IChannelSinkBase\r
  75                 public IDictionary Properties\r
  76                 {\r
  77                         get {\r
  78                                 return null;\r
  79                         }\r
  80                 }\r
  81 \r
  82                 public IMessageCtrl AsyncProcessMessage (IMessage msg,\r
  83                                                          IMessageSink replySink)\r
  84                 {\r
  85                         Stream requestStream;\r
  86                         ITransportHeaders requestHeaders;\r
  87                         SoapMessageFormatter soapMsgFormatter;\r
  88                         \r
  89                         SerializeMessage(msg, out requestStream, out requestHeaders, out soapMsgFormatter);\r
  90 \r
  91                         ClientChannelSinkStack stack = new ClientChannelSinkStack(replySink);\r
  92                         stack.Push(this, new CallData (msg, soapMsgFormatter));\r
  93 \r
  94                         _nextChannelSink.AsyncProcessRequest(stack, msg, requestHeaders, requestStream);\r
  95 \r
  96                         return null;\r
  97                 }\r
  98 \r
  99                 public void AsyncProcessRequest (IClientChannelSinkStack sinkStack,\r
 100                                                  IMessage msg,\r
 101                                                  ITransportHeaders headers,\r
 102                                                  Stream stream)\r
 103                 {\r
 104                         // this method should never be called\r
 105                         throw new NotSupportedException ();\r
 106                 }\r
 107 \r
 108                 public void AsyncProcessResponse (IClientResponseChannelSinkStack sinkStack,\r
 109                                                   object state,\r
 110                                                   ITransportHeaders headers,\r
 111                                                   Stream stream)\r
 112                 {\r
 113                         CallData data = (CallData)state;\r
 114                         SoapMessageFormatter soapMsgFormatter = data.Formatter;\r
 115                         IMessage replyMessage = (IMessage) DeserializeMessage(stream, headers, (IMethodCallMessage)data.Msg, soapMsgFormatter);\r
 116                         sinkStack.DispatchReplyMessage(replyMessage);\r
 117                         \r
 118                 }\r
 119 \r
 120                 public Stream GetRequestStream (IMessage msg,\r
 121                                                 ITransportHeaders headers)\r
 122                 {\r
 123                         // First sink in the chain so this method should never\r
 124                         // be called\r
 125                         throw new NotSupportedException ();\r
 126                 }\r
 127 \r
 128                 public void ProcessMessage (IMessage msg,\r
 129                                             ITransportHeaders requestHeaders,\r
 130                                             Stream requestStream,\r
 131                                             out ITransportHeaders responseHeaders,\r
 132                                             out Stream responseStream)\r
 133                 {\r
 134                         // First sink in the chain so this method should never\r
 135                         // be called\r
 136                         throw new NotSupportedException ();\r
 137                         \r
 138                 }\r
 139 \r
 140                 public IMessage SyncProcessMessage (IMessage msg)\r
 141                 {\r
 142                         Stream requestStream, responseStream;\r
 143                         ITransportHeaders requestHeaders, responseHeaders;\r
 144                         SoapMessageFormatter soapMsgFormatter;\r
 145                         \r
 146                         SerializeMessage(msg, out requestStream, out requestHeaders, out soapMsgFormatter);\r
 147                         _nextChannelSink.ProcessMessage(msg, requestHeaders, requestStream, out responseHeaders, out responseStream);\r
 148 \r
 149                         return DeserializeMessage(responseStream, responseHeaders, (IMethodCallMessage)msg, soapMsgFormatter);\r
 150                 }\r
 151                 \r
 152                 \r
 153                 private void SerializeMessage(IMessage msg, out Stream requestStream, out ITransportHeaders requestHeaders, out SoapMessageFormatter soapMsgFormatter) {\r
 154                         SoapMessage soapMsg;\r
 155                         soapMsgFormatter = new SoapMessageFormatter();\r
 156                         soapMsg = soapMsgFormatter.BuildSoapMessageFromMethodCall((IMethodCallMessage) msg, out requestHeaders);\r
 157                         \r
 158                         // Get the stream where the message will be serialized\r
 159                         requestStream = _nextChannelSink.GetRequestStream(msg, requestHeaders);\r
 160                         \r
 161                         if(requestStream == null) requestStream = new MemoryStream();\r
 162                         \r
 163                         // Serialize the message into the stream\r
 164                         _soapCore.Serializer.Serialize(requestStream, soapMsg, null);\r
 165                         \r
 166                         if(requestStream is MemoryStream){\r
 167                                 requestStream.Position = 0;\r
 168                         }\r
 169                 }\r
 170                 \r
 171                 \r
 172                 private IMessage DeserializeMessage(Stream responseStream, ITransportHeaders responseHeaders,IMethodCallMessage mcm, SoapMessageFormatter soapMsgFormatter) \r
 173                 {\r
 174                         SoapFormatter fm = _soapCore.GetSafeDeserializer ();\r
 175                         SoapMessage rtnMessage = soapMsgFormatter.CreateSoapMessage (false);\r
 176                         fm.TopObject = rtnMessage;\r
 177                         object objReturn = fm.Deserialize(responseStream);\r
 178 \r
 179                         if (objReturn is SoapFault) \r
 180                                 return soapMsgFormatter.FormatFault ((SoapFault) objReturn, mcm);\r
 181                         else\r
 182                                 return soapMsgFormatter.FormatResponse ((ISoapMessage) objReturn, mcm);\r
 183                 }\r
 184 \r
 185                 class CallData\r
 186                 {\r
 187                         public CallData (IMessage msg, SoapMessageFormatter formatter) { Msg = msg; Formatter = formatter; }\r
 188                         public IMessage Msg;\r
 189                         public SoapMessageFormatter Formatter;\r
 190                 }\r
 191         }\r
 192 }\r