class/System.Runtime.Remoting/System.Runtime.Remoting.Channels.CORBA/CORBAClientTransportSink.cs

   1 //
   2 // System.Runtime.Remoting.Channels.CORBA.CORBAClientTransportSink.cs
   3 //
   4 // Author: Dietmar Maurer (dietmar@ximian.com)
   5 //
   6 // 2002 (C) Copyright, Ximian, Inc.
   7 //
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.Collections;
  31 using System.IO;
  32 using System.Net.Sockets;
  33 using System.Runtime.Remoting.Messaging;
  34 using System.Runtime.Remoting.Channels;
  35
  36 namespace System.Runtime.Remoting.Channels.CORBA
  37 {
  38
  39         internal class CORBAClientTransportSink : IClientChannelSink
  40         {
  41                 string host;
  42                 string object_uri;
  43                 int port;
  44
  45                 TcpClient tcpclient;
  46
  47                 public CORBAClientTransportSink (string url)
  48                 {
  49                         host = CORBAChannel.ParseCORBAURL (url, out object_uri, out port);
  50                         tcpclient = new TcpClient ();
  51                 }
  52
  53                 public IDictionary Properties
  54                 {
  55                         get {
  56                                 return null;
  57                         }
  58                 }
  59
  60                 public IClientChannelSink NextChannelSink
  61                 {
  62                         get {
  63                                 // we are the last one
  64                                 return null;
  65                         }
  66                 }
  67
  68                 public void AsyncProcessRequest (IClientChannelSinkStack sinkStack, IMessage msg,
  69                                                  ITransportHeaders headers, Stream stream)
  70                 {
  71                         throw new NotImplementedException ();
  72                 }
  73
  74                 public void AsyncProcessResponse (IClientResponseChannelSinkStack sinkStack,
  75                                                   object state, ITransportHeaders headers,
  76                                                   Stream stream)
  77                 {
  78                         throw new NotImplementedException ();
  79                 }
  80
  81                 public Stream GetRequestStream (IMessage msg, ITransportHeaders headers)
  82                 {
  83                         // no direct access to the stream
  84                         return null;
  85                 }
  86
  87                 public void ProcessMessage (IMessage msg,
  88                                             ITransportHeaders requestHeaders,
  89                                             Stream requestStream,
  90                                             out ITransportHeaders responseHeaders,
  91                                             out Stream responseStream)
  92                 {
  93                         // get a network stream
  94                         tcpclient.Connect (host, port);
  95                         Stream network_stream = tcpclient.GetStream ();
  96
  97                         // send the message
  98                         IIOPMessage.SendMessageStream (network_stream, (MemoryStream)requestStream,
  99                                                        IIOPMessage.MessageType.Request,
 100                                                        object_uri);
 101
 102                         // read the response fro the network an copy it to a memory stream
 103                         IIOPMessage.MessageType msg_type;
 104                         string uri;
 105                         MemoryStream mem_stream =
 106                                 IIOPMessage.ReceiveMessageStream (network_stream, out msg_type, out uri);
 107
 108                         // close the stream
 109                         tcpclient.Close ();
 110
 111                         switch (msg_type) {
 112                         case IIOPMessage.MessageType.Response:
 113                                 //fixme: read response message
 114                                 responseHeaders = null;
 115
 116                                 responseStream = mem_stream;
 117
 118                                 break;
 119                         default:
 120                                 throw new Exception ("unknown response mesage header");
 121                         }
 122                 }
 123
 124         }
 125 }