class/System.ServiceModel/System.ServiceModel.Channels/LayeredCommunicationObject.cs

   1 //
   2 // SecurityReplyChannel.cs
   3 //
   4 // Author: Atsushi Enomoto (atsushi@ximian.com)
   5 //
   6 // Copyright (C) 2006 Novell, Inc (http://www.novell.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27 using System;
  28 using System.ServiceModel;
  29
  30 namespace System.ServiceModel.Channels
  31 {
  32         internal abstract class LayeredCommunicationObject : ICommunicationObject, IDisposable
  33         {
  34                 ICommunicationObject inner;
  35
  36                 protected LayeredCommunicationObject (ICommunicationObject source)
  37                 {
  38                         inner = source;
  39                 }
  40
  41                 public abstract ChannelManagerBase ChannelManager { get; }
  42
  43                 IDefaultCommunicationTimeouts Timeouts {
  44                         get { return (IDefaultCommunicationTimeouts) ChannelManager; }
  45                 }
  46
  47                 // ICommunicationObject
  48
  49                 public virtual CommunicationState State {
  50                         get { return inner.State; }
  51                 }
  52
  53                 public virtual void Abort ()
  54                 {
  55                         inner.Abort ();
  56                 }
  57
  58                 public IAsyncResult BeginClose (AsyncCallback callback, object state)
  59                 {
  60                         return BeginClose (Timeouts.CloseTimeout, callback, state);
  61                 }
  62
  63                 public IAsyncResult BeginClose (TimeSpan timeout, AsyncCallback callback, object state)
  64                 {
  65                         return OnBeginClose (timeout, callback, state);
  66                 }
  67
  68                 protected virtual IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
  69                 {
  70                         return inner.BeginClose (timeout, callback, state);
  71                 }
  72
  73                 public virtual void EndClose (IAsyncResult result)
  74                 {
  75                         OnEndClose (result);
  76                 }
  77
  78                 protected void OnEndClose (IAsyncResult result)
  79                 {
  80                         inner.EndClose (result);
  81                 }
  82
  83                 public void Close ()
  84                 {
  85                         Close (Timeouts.CloseTimeout);
  86                 }
  87
  88                 public void Close (TimeSpan timeout)
  89                 {
  90                         OnClose (timeout);
  91                 }
  92
  93                 protected virtual void OnClose (TimeSpan timeout)
  94                 {
  95                         inner.Close (timeout);
  96                 }
  97
  98                 public void Dispose ()
  99                 {
 100                         Close ();
 101                 }
 102
 103                 public IAsyncResult BeginOpen (AsyncCallback callback, object state)
 104                 {
 105                         return BeginOpen (Timeouts.OpenTimeout, callback, state);
 106                 }
 107
 108                 public IAsyncResult BeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
 109                 {
 110                         return OnBeginOpen (timeout, callback, state);
 111                 }
 112
 113                 protected virtual IAsyncResult OnBeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
 114                 {
 115                         return inner.BeginOpen (timeout, callback, state);
 116                 }
 117
 118                 public virtual void EndOpen (IAsyncResult result)
 119                 {
 120                         OnEndOpen (result);
 121                 }
 122
 123                 protected virtual void OnEndOpen (IAsyncResult result)
 124                 {
 125                         inner.EndOpen (result);
 126                 }
 127
 128                 public void Open ()
 129                 {
 130                         Open (Timeouts.OpenTimeout);
 131                 }
 132
 133                 public void Open (TimeSpan timeout)
 134                 {
 135                         inner.Open (timeout);
 136                 }
 137
 138                 protected virtual Type GetCommunicationObjectType ()
 139                 {
 140                         return GetType ();
 141                 }
 142
 143                 protected void ThrowIfNotOpen ()
 144                 {
 145                         if (State != CommunicationState.Opened)
 146                                 throw new InvalidOperationException (String.Format ("The communication object {0} must be at opened state.", GetCommunicationObjectType ()));
 147                 }
 148
 149                 protected void ThrowIfImmutable ()
 150                 {
 151                         if (State != CommunicationState.Created)
 152                                 throw new InvalidOperationException (String.Format ("The communication object {0} is being closed while it is not opened.", GetType ()));
 153                 }
 154
 155                 public event EventHandler Closing {
 156                         add { inner.Closing += value; }
 157                         remove { inner.Closing -= value; }
 158                 }
 159
 160                 public event EventHandler Closed {
 161                         add { inner.Closed += value; }
 162                         remove { inner.Closed -= value; }
 163                 }
 164
 165                 public event EventHandler Opening {
 166                         add { inner.Opening += value; }
 167                         remove { inner.Opening -= value; }
 168                 }
 169
 170                 public event EventHandler Opened {
 171                         add { inner.Opened += value; }
 172                         remove { inner.Opened -= value; }
 173                 }
 174
 175                 public event EventHandler Faulted {
 176                         add { inner.Faulted += value; }
 177                         remove { inner.Faulted -= value; }
 178                 }
 179         }
 180 }