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

   1 //
   2 // DuplexSessionChannelBase.cs
   3 //
   4 // Author:
   5 //     Marcos Cobena (marcoscobena@gmail.com)
   6 //      Atsushi Enomoto  <atsushi@ximian.com>
   7 //
   8 // Copyright 2007 Marcos Cobena (http://www.youcannoteatbits.org/)
   9 //
  10 // Copyright (C) 2009 Novell, Inc.  http://www.novell.com
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System;
  33 using System.ServiceModel.Channels;
  34
  35 namespace System.ServiceModel.Channels
  36 {
  37         internal abstract class DuplexChannelBase : ChannelBase, IDuplexChannel
  38         {
  39                 ChannelFactoryBase channel_factory_base;
  40                 ChannelListenerBase channel_listener_base;
  41                 EndpointAddress local_address;
  42                 EndpointAddress remote_address;
  43                 Uri via;
  44
  45                 public DuplexChannelBase (ChannelFactoryBase factory, EndpointAddress remoteAddress, Uri via) : base (factory)
  46                 {
  47                         channel_factory_base = factory;
  48                         remote_address = remoteAddress;
  49                         this.via = via;
  50                         SetupDelegates ();
  51                 }
  52
  53                 public DuplexChannelBase (ChannelListenerBase listener) : base (listener)
  54                 {
  55                         channel_listener_base = listener;
  56                         SetupDelegates ();
  57                 }
  58
  59                 public abstract EndpointAddress LocalAddress { get; }
  60
  61                 public EndpointAddress RemoteAddress {
  62                         get { return remote_address; }
  63                 }
  64
  65                 public Uri Via {
  66                         get { return via; }
  67                 }
  68
  69                 void SetupDelegates ()
  70                 {
  71                         open_handler = new Action<TimeSpan> (Open);
  72                         close_handler = new Action<TimeSpan> (Close);
  73                         send_handler = new AsyncSendHandler (Send);
  74                         receive_handler = new AsyncReceiveHandler (Receive);
  75                         wait_handler = new AsyncWaitForMessageHandler (WaitForMessage);
  76                         try_receive_handler = new TryReceiveHandler (TryReceive);
  77                 }
  78
  79                 // Open
  80                 Action<TimeSpan> open_handler;
  81
  82                 protected override IAsyncResult OnBeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
  83                 {
  84                         return open_handler.BeginInvoke (timeout, callback, state);
  85                 }
  86
  87                 protected override void OnEndOpen (IAsyncResult result)
  88                 {
  89                         open_handler.EndInvoke (result);
  90                 }
  91
  92                 // Close
  93                 Action<TimeSpan> close_handler;
  94
  95                 protected override IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
  96                 {
  97                         return close_handler.BeginInvoke (timeout, callback, state);
  98                 }
  99
 100                 protected override void OnEndClose (IAsyncResult result)
 101                 {
 102                         close_handler.EndInvoke (result);
 103                 }
 104
 105                 // Send
 106
 107                 delegate void AsyncSendHandler (Message message, TimeSpan timeout);
 108                 AsyncSendHandler send_handler;
 109
 110                 public virtual IAsyncResult BeginSend (Message message, AsyncCallback callback, object state)
 111                 {
 112                         return BeginSend (message, DefaultSendTimeout, callback, state);
 113                 }
 114
 115                 public virtual IAsyncResult BeginSend (Message message, TimeSpan timeout, AsyncCallback callback, object state)
 116                 {
 117                         return send_handler.BeginInvoke (message, timeout, callback, state);
 118                 }
 119
 120                 public virtual void EndSend (IAsyncResult result)
 121                 {
 122                         send_handler.EndInvoke (result);
 123                 }
 124
 125                 public virtual void Send (Message message)
 126                 {
 127                         Send (message, this.DefaultSendTimeout);
 128                 }
 129
 130                 public abstract void Send (Message message, TimeSpan timeout);
 131
 132                 // Receive
 133
 134                 delegate Message AsyncReceiveHandler (TimeSpan timeout);
 135                 AsyncReceiveHandler receive_handler;
 136
 137                 public virtual IAsyncResult BeginReceive (AsyncCallback callback, object state)
 138                 {
 139                         return BeginReceive (this.DefaultReceiveTimeout, callback, state);
 140                 }
 141
 142                 public virtual IAsyncResult BeginReceive (TimeSpan timeout, AsyncCallback callback, object state)
 143                 {
 144                         return receive_handler.BeginInvoke (timeout, callback, state);
 145                 }
 146
 147                 public virtual Message EndReceive (IAsyncResult result)
 148                 {
 149                         return receive_handler.EndInvoke (result);
 150                 }
 151
 152                 public virtual Message Receive ()
 153                 {
 154                         return Receive (this.DefaultReceiveTimeout);
 155                 }
 156
 157                 public abstract Message Receive (TimeSpan timeout);
 158
 159                 // TryReceive
 160
 161                 delegate bool TryReceiveHandler (TimeSpan timeout, out Message msg);
 162                 TryReceiveHandler try_receive_handler;
 163
 164                 public virtual IAsyncResult BeginTryReceive (TimeSpan timeout, AsyncCallback callback, object state)
 165                 {
 166                         Message dummy;
 167                         return try_receive_handler.BeginInvoke (timeout, out dummy, callback, state);
 168                 }
 169
 170                 public virtual bool EndTryReceive (IAsyncResult result, out Message message)
 171                 {
 172                         return try_receive_handler.EndInvoke (out message, result);
 173                 }
 174
 175                 public virtual bool TryReceive (TimeSpan timeout, out Message message)
 176                 {
 177                         return EndTryReceive (BeginTryReceive (timeout, null, null), out message);
 178                 }
 179
 180                 // WaitForMessage
 181
 182                 delegate bool AsyncWaitForMessageHandler (TimeSpan timeout);
 183                 AsyncWaitForMessageHandler wait_handler;
 184
 185                 public virtual IAsyncResult BeginWaitForMessage (TimeSpan timeout, AsyncCallback callback, object state)
 186                 {
 187                         return wait_handler.BeginInvoke (timeout, callback, state);
 188                 }
 189
 190                 public virtual bool EndWaitForMessage (IAsyncResult result)
 191                 {
 192                         return wait_handler.EndInvoke (result);
 193                 }
 194
 195                 public abstract bool WaitForMessage (TimeSpan timeout);
 196         }
 197 }