class/System.ServiceModel/System.ServiceModel.Channels/NamedPipeRequestChannel.cs

   1 //
   2 // NamedPipeRequestChannel.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2009 Novell, Inc.  http://www.novell.com
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System;
  29 using System.Collections.Generic;
  30 using System.IO;
  31 using System.IO.Pipes;
  32 using System.Net;
  33 using System.Net.Sockets;
  34 using System.ServiceModel;
  35 using System.ServiceModel.Description;
  36 using System.Threading;
  37 using System.Xml;
  38
  39 namespace System.ServiceModel.Channels
  40 {
  41         internal class NamedPipeRequestChannel : RequestChannelBase
  42         {
  43                 TcpBinaryFrameManager frame;
  44
  45                 public NamedPipeRequestChannel (ChannelFactoryBase factory, MessageEncoder encoder, EndpointAddress address, Uri via)
  46                         : base (factory, address, via)
  47                 {
  48                         this.Encoder = encoder;
  49                 }
  50
  51                 public MessageEncoder Encoder { get; private set; }
  52
  53                 protected override void OnAbort ()
  54                 {
  55                         OnClose (TimeSpan.Zero);
  56                 }
  57
  58                 protected override void OnClose (TimeSpan timeout)
  59                 {
  60                 }
  61
  62                 protected override void OnOpen (TimeSpan timeout)
  63                 {
  64                 }
  65
  66                 void CreateClient (TimeSpan timeout)
  67                 {
  68                         int explicitPort = Via.Port;
  69                         var stream = new NamedPipeClientStream (".", Via.LocalPath.Substring (1).Replace ('/', '\\'), PipeDirection.InOut);
  70                         stream.Connect ();
  71                         frame = new TcpBinaryFrameManager (TcpBinaryFrameManager.SingletonUnsizedMode, stream, false) {
  72                                 Encoder = this.Encoder,
  73                                 Via = this.Via,
  74                                 EncodingRecord = TcpBinaryFrameManager.EncodingBinary };
  75                         frame.ProcessPreambleInitiator ();
  76                         frame.ProcessPreambleAckInitiator ();
  77                 }
  78
  79                 public override Message Request (Message input, TimeSpan timeout)
  80                 {
  81                         DateTime start = DateTime.Now;
  82
  83                         CreateClient (timeout);
  84
  85                         if (input.Headers.To == null)
  86                                 input.Headers.To = RemoteAddress.Uri;
  87                         if (input.Headers.MessageId == null)
  88                                 input.Headers.MessageId = new UniqueId ();
  89
  90                         frame.WriteUnsizedMessage (input, timeout - (DateTime.Now - start));
  91
  92                         frame.WriteEndRecord ();
  93
  94                         var ret = frame.ReadUnsizedMessage (timeout - (DateTime.Now - start));
  95                         frame.ReadEndRecord ();
  96                         return ret;
  97                 }
  98         }
  99 }