class/System.ServiceModel/System.ServiceModel.Channels/RequestChannelBase.cs

   1 //
   2 // RequestChannelBase.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2006 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.Net;
  32 using System.Net.Security;
  33 using System.ServiceModel;
  34 using System.ServiceModel.Description;
  35 using System.ServiceModel.Security;
  36
  37 namespace System.ServiceModel.Channels
  38 {
  39         internal abstract class RequestChannelBase : ChannelBase, IRequestChannel
  40         {
  41                 ChannelFactoryBase channel_factory;
  42                 EndpointAddress address;
  43                 Uri via;
  44
  45                 public RequestChannelBase (ChannelFactoryBase factory, EndpointAddress address, Uri via)
  46                         : base (factory)
  47                 {
  48                         this.channel_factory = factory;
  49                         this.address = address;
  50                         this.via = via;
  51                 }
  52
  53                 protected internal override TimeSpan DefaultCloseTimeout {
  54                         get { return channel_factory.DefaultCloseTimeout; }
  55                 }
  56
  57                 protected internal override TimeSpan DefaultOpenTimeout {
  58                         get { return channel_factory.DefaultOpenTimeout; }
  59                 }
  60
  61                 public EndpointAddress RemoteAddress {
  62                         get { return address; }
  63                 }
  64
  65                 public Uri Via {
  66                         get { return via ?? RemoteAddress.Uri; }
  67                 }
  68
  69                 public override T GetProperty<T> ()
  70                 {
  71                         if (typeof (T) == typeof (MessageVersion) && channel_factory is IHasMessageEncoder)
  72                                 return (T) (object) ((IHasMessageEncoder) channel_factory).MessageEncoder.MessageVersion;
  73                         if (typeof (T) == typeof (IChannelFactory))
  74                                 return (T) (object) channel_factory;
  75                         return base.GetProperty<T> ();
  76                 }
  77
  78                 // Request
  79
  80                 public Message Request (Message message)
  81                 {
  82                         return Request (message, DefaultSendTimeout);
  83                 }
  84
  85                 public abstract Message Request (Message message, TimeSpan timeout);
  86
  87                 public IAsyncResult BeginRequest (Message message, AsyncCallback callback, object state)
  88                 {
  89                         return BeginRequest (message, DefaultSendTimeout, callback, state);
  90                 }
  91
  92                 Func<Message,TimeSpan,Message> request_delegate;
  93
  94                 public virtual IAsyncResult BeginRequest (Message message, TimeSpan timeout, AsyncCallback callback, object state)
  95                 {
  96                         if (request_delegate == null)
  97                                 request_delegate = new Func<Message,TimeSpan,Message> (Request);
  98                         return request_delegate.BeginInvoke (message, timeout, callback, state);
  99                 }
 100
 101                 public virtual Message EndRequest (IAsyncResult result)
 102                 {
 103                         return request_delegate.EndInvoke (result);
 104                 }
 105
 106                 // Open and Close
 107                 Action<TimeSpan> open_delegate;
 108
 109                 protected override IAsyncResult OnBeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
 110                 {
 111                         if (open_delegate == null)
 112                                 open_delegate = new Action<TimeSpan> (OnOpen);
 113                         return open_delegate.BeginInvoke (timeout, callback, state);
 114                 }
 115
 116                 protected override void OnEndOpen (IAsyncResult result)
 117                 {
 118                         open_delegate.EndInvoke (result);
 119                 }
 120
 121                 Action<TimeSpan> close_delegate;
 122
 123                 protected override IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
 124                 {
 125                         if (close_delegate == null)
 126                                 close_delegate = new Action<TimeSpan> (OnClose);
 127                         return close_delegate.BeginInvoke (timeout, callback, state);
 128                 }
 129
 130                 protected override void OnEndClose (IAsyncResult result)
 131                 {
 132                         close_delegate.EndInvoke (result);
 133                 }
 134         }
 135 }