mcs/class/System.ServiceModel/System.ServiceModel.Channels/PeerChannelFactory.cs

   1 //
   2 // PeerChannelFactory.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
  37 namespace System.ServiceModel.Channels
  38 {
  39         internal interface IPeerChannelManager
  40         {
  41                 PeerTransportBindingElement Source { get; }
  42                 PeerResolver Resolver { get; }
  43                 MessageEncoder MessageEncoder { get; }
  44         }
  45
  46         internal class PeerChannelFactory<TChannel> : ChannelFactoryBase<TChannel>, IPeerChannelManager
  47         {
  48                 PeerTransportBindingElement source;
  49                 MessageEncoder encoder;
  50
  51                 public PeerChannelFactory (PeerTransportBindingElement source, BindingContext ctx)
  52                 {
  53                         this.source = source;
  54                         foreach (BindingElement be in ctx.RemainingBindingElements) {
  55                                 MessageEncodingBindingElement mbe = be as MessageEncodingBindingElement;
  56                                 if (mbe != null) {
  57                                         encoder = CreateEncoder<TChannel> (mbe);
  58                                         break;
  59                                 }
  60                         }
  61                         if (encoder == null)
  62                                 encoder = new BinaryMessageEncoder ();
  63                 }
  64
  65                 public PeerResolver Resolver { get; set; }
  66
  67                 public PeerTransportBindingElement Source {
  68                         get { return source; }
  69                 }
  70
  71                 public MessageEncoder MessageEncoder {
  72                         get { return encoder; }
  73                 }
  74
  75                 protected override TChannel OnCreateChannel (
  76                         EndpointAddress address, Uri via)
  77                 {
  78                         ThrowIfDisposedOrNotOpen ();
  79
  80                         if (source.Scheme != address.Uri.Scheme)
  81                                 throw new ArgumentException (String.Format ("Argument EndpointAddress has unsupported URI scheme: {0}", address.Uri.Scheme));
  82
  83                         Type t = typeof (TChannel);
  84                         if (t == typeof (IOutputChannel))
  85                                 return (TChannel) (object) new PeerDuplexChannel (this, address, via, Resolver);
  86                         if (t == typeof (IDuplexChannel))
  87                                 return (TChannel) (object) new PeerDuplexChannel (this, address, via, Resolver);
  88                         throw new InvalidOperationException (String.Format ("channel type {0} is not supported.", typeof (TChannel).Name));
  89                 }
  90
  91                 Action<TimeSpan> open_delegate;
  92
  93                 protected override IAsyncResult OnBeginOpen (TimeSpan timeout,
  94                         AsyncCallback callback, object state)
  95                 {
  96                         if (open_delegate == null)
  97                                 open_delegate = new Action<TimeSpan> (OnOpen);
  98                         return open_delegate.BeginInvoke (timeout, callback, state);
  99                 }
 100
 101                 protected override void OnEndOpen (IAsyncResult result)
 102                 {
 103                         if (open_delegate == null)
 104                                 throw new InvalidOperationException ("Async open operation has not started");
 105                         open_delegate.EndInvoke (result);
 106                 }
 107
 108                 protected override void OnOpen (TimeSpan timeout)
 109                 {
 110                 }
 111         }
 112 }