class/corlib/System.Runtime.Remoting.Messaging/ClientContextTerminatorSink.cs

   1 //
   2 // System.Runtime.Remoting.Messaging.ClientContextTerminatorSink.cs
   3 //
   4 // Author: Lluis Sanchez Gual (lluis@ideary.com)
   5 //
   6 // (C) 2003, Lluis Sanchez Gual
   7 //
   8
   9 //
  10 // Copyright (C) 2004 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.Runtime.Remoting;
  34 using System.Runtime.Remoting.Activation;
  35 using System.Runtime.Remoting.Contexts;
  36
  37 namespace System.Runtime.Remoting.Messaging
  38 {
  39         internal class ClientContextTerminatorSink: IMessageSink
  40         {
  41                 Context _context;
  42
  43                 public ClientContextTerminatorSink(Context ctx)
  44                 {
  45                         _context = ctx;
  46                 }
  47
  48                 public IMessage SyncProcessMessage (IMessage msg)
  49                 {
  50                         IMessage res;
  51
  52                         Context.NotifyGlobalDynamicSinks (true, msg, true, false);
  53                         _context.NotifyDynamicSinks (true, msg, true, false);
  54
  55                         if (msg is IConstructionCallMessage)
  56                         {
  57                                 res = ActivationServices.RemoteActivate ((IConstructionCallMessage)msg);
  58                         }
  59                         else
  60                         {
  61                                 Identity identity = RemotingServices.GetMessageTargetIdentity (msg);
  62                                 res = identity.ChannelSink.SyncProcessMessage (msg);
  63                         }
  64
  65                         Context.NotifyGlobalDynamicSinks (false, msg, true, false);
  66                         _context.NotifyDynamicSinks (false, msg, true, false);
  67
  68                         return res;
  69                 }
  70
  71                 public IMessageCtrl AsyncProcessMessage (IMessage msg, IMessageSink replySink)
  72                 {
  73                         if (_context.HasDynamicSinks || Context.HasGlobalDynamicSinks)
  74                         {
  75                                 Context.NotifyGlobalDynamicSinks (true, msg, true, true);
  76                                 _context.NotifyDynamicSinks (true, msg, true, true);
  77
  78                                 // replySink is null when calling a one way method
  79                                 if (replySink != null) replySink = new ClientContextReplySink (_context, replySink);
  80                         }
  81                         Identity identity = RemotingServices.GetMessageTargetIdentity (msg);
  82                         IMessageCtrl res = identity.ChannelSink.AsyncProcessMessage (msg, replySink);
  83
  84                         if (replySink == null && (_context.HasDynamicSinks || Context.HasGlobalDynamicSinks))
  85                         {
  86                                 Context.NotifyGlobalDynamicSinks (false, msg, true, true);
  87                                 _context.NotifyDynamicSinks (false, msg, true, true);
  88                         }
  89                         return res;
  90                 }
  91
  92                 public IMessageSink NextSink
  93                 {
  94                         get { return null; }
  95                 }
  96         }
  97
  98         class ClientContextReplySink: IMessageSink
  99         {
 100                 IMessageSink _replySink;
 101                 Context _context;
 102
 103                 public ClientContextReplySink (Context ctx, IMessageSink replySink)
 104                 {
 105                         _replySink = replySink;
 106                         _context = ctx;
 107                 }
 108
 109                 public IMessage SyncProcessMessage (IMessage msg)
 110                 {
 111                         Context.NotifyGlobalDynamicSinks (false, msg, true, true);
 112                         _context.NotifyDynamicSinks (false, msg, true, true);
 113                         return _replySink.SyncProcessMessage (msg);
 114                 }
 115
 116                 public IMessageCtrl AsyncProcessMessage (IMessage msg, IMessageSink replySink)
 117                 {
 118                         throw new NotSupportedException ();
 119                 }
 120
 121                 public IMessageSink NextSink
 122                 {
 123                         get { return _replySink; }
 124                 }
 125         }
 126 }