class/System.ServiceModel/System.ServiceModel.Channels/NamedPipeChannelFactory.cs

   1 //
   2 // NamedPipeChannelFactory.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.Net;
  31 using System.Net.Security;
  32 using System.ServiceModel;
  33 using System.ServiceModel.Description;
  34 using System.ServiceModel.Security;
  35 using System.Text;
  36 using System.Xml;
  37
  38 namespace System.ServiceModel.Channels
  39 {
  40         internal class NamedPipeChannelFactory<TChannel> : TransportChannelFactoryBase<TChannel>
  41         {
  42                 NamedPipeTransportBindingElement source;
  43                 XmlDictionaryReaderQuotas quotas;
  44
  45                 public NamedPipeChannelFactory (NamedPipeTransportBindingElement source, BindingContext ctx)
  46                         : base (source, ctx)
  47                 {
  48                         foreach (BindingElement be in ctx.Binding.Elements) {
  49                                 MessageEncodingBindingElement mbe = be as MessageEncodingBindingElement;
  50                                 if (mbe != null) {
  51                                         MessageEncoder = CreateEncoder<TChannel> (mbe);
  52                                         quotas = mbe.GetProperty<XmlDictionaryReaderQuotas> (ctx);
  53                                         break;
  54                                 }
  55                         }
  56                         if (MessageEncoder == null)
  57                                 MessageEncoder = new BinaryMessageEncoder ();
  58
  59                         this.source = source;
  60                 }
  61
  62                 protected override TChannel OnCreateChannel (
  63                         EndpointAddress address, Uri via)
  64                 {
  65                         ThrowIfDisposedOrNotOpen ();
  66
  67                         var targetUri = via ?? address.Uri;
  68                         if (source.Scheme != targetUri.Scheme)
  69                                 throw new ArgumentException (String.Format ("Argument EndpointAddress has unsupported URI scheme: {0}", targetUri.Scheme));
  70                         if (!targetUri.IsLoopback)
  71                                 throw new NotSupportedException ("Only local namde pipes are supported in this binding");
  72
  73                         // FIXME: implement duplex session channel.
  74 //                      if (typeof (TChannel) == typeof (IDuplexSessionChannel))
  75 //                              return (TChannel) (object) new NamedPipeDuplexSessionChannel (this, address, via);
  76
  77                         if (typeof (TChannel) == typeof (IRequestChannel))
  78                                 return (TChannel) (object) new NamedPipeRequestChannel (this, MessageEncoder, address, targetUri);
  79
  80                         throw new InvalidOperationException (String.Format ("Channel type {0} is not supported.", typeof (TChannel).Name));
  81                 }
  82         }
  83 }