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

   1 //
   2 // ReplyChannelBase.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 using System.Threading;
  37
  38 namespace System.ServiceModel.Channels
  39 {
  40         internal abstract class ReplyChannelBase : ChannelBase, IReplyChannel
  41         {
  42                 public ReplyChannelBase (ChannelListenerBase listener)
  43                         : base (listener)
  44                 {
  45                 }
  46
  47                 public abstract EndpointAddress LocalAddress { get; }
  48
  49                 protected override void OnAbort ()
  50                 {
  51                         OnClose (TimeSpan.Zero);
  52                 }
  53
  54                 protected override void OnClose (TimeSpan timeout)
  55                 {
  56                         if (CurrentAsyncThread != null)
  57                                 if (!CancelAsync (timeout))
  58                                         CurrentAsyncThread.Abort ();
  59                 }
  60
  61                 public virtual bool CancelAsync (TimeSpan timeout)
  62                 {
  63                         // FIXME: It should wait for the actual completion.
  64                         return CurrentAsyncResult == null;
  65                         //return CurrentAsyncResult == null || CurrentAsyncResult.AsyncWaitHandle.WaitOne (timeout);
  66                 }
  67
  68                 public virtual bool TryReceiveRequest ()
  69                 {
  70                         RequestContext dummy;
  71                         return TryReceiveRequest (DefaultReceiveTimeout, out dummy);
  72                 }
  73
  74                 public abstract bool TryReceiveRequest (TimeSpan timeout, out RequestContext context);
  75
  76                 delegate bool TryReceiveDelegate (TimeSpan timeout, out RequestContext context);
  77                 TryReceiveDelegate try_recv_delegate;
  78
  79                 protected Thread CurrentAsyncThread { get; private set; }
  80                 protected IAsyncResult CurrentAsyncResult { get; private set; }
  81
  82                 public virtual IAsyncResult BeginTryReceiveRequest (TimeSpan timeout, AsyncCallback callback, object state)
  83                 {
  84                         if (CurrentAsyncResult != null)
  85                                 throw new InvalidOperationException ("Another async TryReceiveRequest operation is in progress");
  86                         if (try_recv_delegate == null)
  87                                 try_recv_delegate = new TryReceiveDelegate (delegate (TimeSpan tout, out RequestContext ctx) {
  88                                         if (CurrentAsyncResult != null)
  89                                                 CurrentAsyncThread = Thread.CurrentThread;
  90                                         try {
  91                                                 return TryReceiveRequest (tout, out ctx);
  92                                         } finally {
  93                                                 CurrentAsyncResult = null;
  94                                                 CurrentAsyncThread = null;
  95                                         }
  96                                         });
  97                         RequestContext dummy;
  98                         CurrentAsyncResult = try_recv_delegate.BeginInvoke (timeout, out dummy, callback, state);
  99                         return CurrentAsyncResult;
 100                 }
 101
 102                 public virtual bool EndTryReceiveRequest (IAsyncResult result)
 103                 {
 104                         RequestContext dummy;
 105                         return EndTryReceiveRequest (result, out dummy);
 106                 }
 107
 108                 public virtual bool EndTryReceiveRequest (IAsyncResult result, out RequestContext context)
 109                 {
 110                         if (try_recv_delegate == null)
 111                                 throw new InvalidOperationException ("BeginTryReceiveRequest operation has not started");
 112                         return try_recv_delegate.EndInvoke (out context, result);
 113                 }
 114
 115                 public virtual bool WaitForRequest ()
 116                 {
 117                         return WaitForRequest (DefaultReceiveTimeout);
 118                 }
 119
 120                 public abstract bool WaitForRequest (TimeSpan timeout);
 121
 122                 delegate bool WaitDelegate (TimeSpan timeout);
 123                 WaitDelegate wait_delegate;
 124
 125                 public virtual IAsyncResult BeginWaitForRequest (TimeSpan timeout, AsyncCallback callback, object state)
 126                 {
 127                         if (wait_delegate == null)
 128                                 wait_delegate = new WaitDelegate (WaitForRequest);
 129                         return wait_delegate.BeginInvoke (timeout, callback, state);
 130                 }
 131
 132                 public virtual bool EndWaitForRequest (IAsyncResult result)
 133                 {
 134                         if (wait_delegate == null)
 135                                 throw new InvalidOperationException ("BeginWaitForRequest operation has not started");
 136                         return wait_delegate.EndInvoke (result);
 137                 }
 138
 139                 public virtual RequestContext ReceiveRequest ()
 140                 {
 141                         return ReceiveRequest (DefaultReceiveTimeout);
 142                 }
 143
 144                 public abstract RequestContext ReceiveRequest (TimeSpan timeout);
 145
 146                 public virtual IAsyncResult BeginReceiveRequest (AsyncCallback callback, object state)
 147                 {
 148                         return BeginReceiveRequest (DefaultReceiveTimeout, callback, state);
 149                 }
 150
 151                 Func<TimeSpan,RequestContext> recv_delegate;
 152                 public virtual IAsyncResult BeginReceiveRequest (TimeSpan timeout, AsyncCallback callback, object state)
 153                 {
 154                         if (recv_delegate == null)
 155                                 recv_delegate = new Func<TimeSpan,RequestContext> (ReceiveRequest);
 156                         return recv_delegate.BeginInvoke (timeout, callback, state);
 157                 }
 158
 159                 public virtual RequestContext EndReceiveRequest (IAsyncResult result)
 160                 {
 161                         if (recv_delegate == null)
 162                                 throw new InvalidOperationException ("BeginReceiveRequest operation has not started");
 163                         return recv_delegate.EndInvoke (result);
 164                 }
 165
 166                 protected override IAsyncResult OnBeginOpen (TimeSpan timeout,
 167                         AsyncCallback callback, object state)
 168                 {
 169                         throw new NotImplementedException ();
 170                 }
 171
 172                 protected override void OnEndOpen (IAsyncResult result)
 173                 {
 174                         throw new NotImplementedException ();
 175                 }
 176
 177                 [MonoTODO]
 178                 protected override IAsyncResult OnBeginClose (TimeSpan timeout,
 179                         AsyncCallback callback, object state)
 180                 {
 181                         throw new NotImplementedException ();
 182                 }
 183
 184                 [MonoTODO]
 185                 protected override void OnEndClose (IAsyncResult result)
 186                 {
 187                         throw new NotImplementedException ();
 188                 }
 189         }
 190 }