mcs/class/System.ServiceModel/System.ServiceModel.Channels/DuplexSessionChannelBase.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                         send_handler = new AsyncSendHandler (Send);
  72                         receive_handler = new AsyncReceiveHandler (Receive);
  73                         wait_handler = new AsyncWaitForMessageHandler (WaitForMessage);
  74                 }
  75
  76                 // Send
  77
  78                 delegate void AsyncSendHandler (Message message, TimeSpan timeout);
  79                 AsyncSendHandler send_handler;
  80
  81                 public virtual IAsyncResult BeginSend (Message message, AsyncCallback callback, object state)
  82                 {
  83                         return BeginSend (message, DefaultSendTimeout, callback, state);
  84                 }
  85
  86                 public virtual IAsyncResult BeginSend (Message message, TimeSpan timeout, AsyncCallback callback, object state)
  87                 {
  88                         return send_handler.BeginInvoke (message, timeout, callback, state);
  89                 }
  90
  91                 public virtual void EndSend (IAsyncResult result)
  92                 {
  93                         send_handler.EndInvoke (result);
  94                 }
  95
  96                 public virtual void Send (Message message)
  97                 {
  98                         Send (message, this.DefaultSendTimeout);
  99                 }
 100
 101                 public abstract void Send (Message message, TimeSpan timeout);
 102
 103                 // Receive
 104
 105                 delegate Message AsyncReceiveHandler (TimeSpan timeout);
 106                 AsyncReceiveHandler receive_handler;
 107
 108                 public virtual IAsyncResult BeginReceive (AsyncCallback callback, object state)
 109                 {
 110                         return BeginReceive (this.DefaultReceiveTimeout, callback, state);
 111                 }
 112
 113                 public virtual IAsyncResult BeginReceive (TimeSpan timeout, AsyncCallback callback, object state)
 114                 {
 115                         return receive_handler.BeginInvoke (timeout, callback, state);
 116                 }
 117
 118                 public virtual Message EndReceive (IAsyncResult result)
 119                 {
 120                         return receive_handler.EndInvoke (result);
 121                 }
 122
 123                 public virtual Message Receive ()
 124                 {
 125                         return Receive (this.DefaultReceiveTimeout);
 126                 }
 127
 128                 public abstract Message Receive (TimeSpan timeout);
 129
 130                 // TryReceive
 131                 // FIXME: apply those "async to call sync" pattern too (but how?)
 132
 133                 public abstract IAsyncResult BeginTryReceive (TimeSpan timeout, AsyncCallback callback, object state);
 134
 135                 public abstract bool EndTryReceive (IAsyncResult result, out Message message);
 136
 137                 public virtual bool TryReceive (TimeSpan timeout, out Message message)
 138                 {
 139                         return EndTryReceive (BeginTryReceive (timeout, null, null), out message);
 140                 }
 141
 142                 // WaitForMessage
 143
 144                 delegate bool AsyncWaitForMessageHandler (TimeSpan timeout);
 145                 AsyncWaitForMessageHandler wait_handler;
 146
 147                 public virtual IAsyncResult BeginWaitForMessage (TimeSpan timeout, AsyncCallback callback, object state)
 148                 {
 149                         return wait_handler.BeginInvoke (timeout, callback, state);
 150                 }
 151
 152                 public virtual bool EndWaitForMessage (IAsyncResult result)
 153                 {
 154                         return wait_handler.EndInvoke (result);
 155                 }
 156
 157                 public abstract bool WaitForMessage (TimeSpan timeout);
 158         }
 159 }