2010-06-21 Marek Habersack <mhabersack@novell.com>
[mcs.git] / class / System.Web.Services / System.Web.Services.Protocols / WebClientAsyncResult.cs
blobc92e0f552cf927ba7ef35f613808a5f6029cfd8a
1 //
2 // System.Web.Services.Protocols.WebClientAsyncResult.cs
3 //
4 // Author:
5 // Tim Coleman (tim@timcoleman.com)
6 // Lluis Sanchez Gual (lluis@ximian.com)
7 //
8 // Copyright (C) Tim Coleman, 2002
9 //
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.
32 using System.Net;
33 using System.Threading;
35 namespace System.Web.Services.Protocols {
36 public class WebClientAsyncResult : IAsyncResult {
38 #region Fields
40 AsyncCallback _callback;
41 object _asyncState;
43 bool _completedSynchronously;
44 bool _done;
45 ManualResetEvent _waitHandle;
47 internal object Result;
48 internal Exception Exception;
49 internal WebRequest Request;
51 #endregion // Fields
53 #region Constructors
55 internal WebClientAsyncResult (WebRequest request, AsyncCallback callback, object asyncState)
57 _callback = callback;
58 Request = request;
59 _asyncState = asyncState;
62 #endregion // Constructors
64 #region Properties
66 public object AsyncState {
67 get { return _asyncState; }
70 public WaitHandle AsyncWaitHandle
72 get
74 lock (this) {
75 if (_waitHandle != null) return _waitHandle;
76 _waitHandle = new ManualResetEvent (_done);
77 return _waitHandle;
82 public bool CompletedSynchronously
84 get { return _completedSynchronously; }
87 public bool IsCompleted
89 get { lock (this) { return _done; } }
92 #endregion // Properties
94 #region Methods
96 public void Abort ()
98 Request.Abort ();
101 internal void SetCompleted (object result, Exception exception, bool async)
103 lock (this)
105 Exception = exception;
106 Result = result;
107 _done = true;
108 _completedSynchronously = async;
109 if (_waitHandle != null) _waitHandle.Set ();
110 Monitor.PulseAll (this);
112 if (_callback != null) _callback (this);
115 internal void WaitForComplete ()
117 lock (this)
119 if (_done)
120 return;
121 Monitor.Wait (this);
125 #endregion // Methods