128 lines
2.9 KiB
C#
128 lines
2.9 KiB
C#
//
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// System.Web.Services.Protocols.WebClientAsyncResult.cs
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//
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// Author:
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// Tim Coleman (tim@timcoleman.com)
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// Lluis Sanchez Gual (lluis@ximian.com)
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//
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// Copyright (C) Tim Coleman, 2002
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Net;
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using System.Threading;
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namespace System.Web.Services.Protocols {
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public class WebClientAsyncResult : IAsyncResult {
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#region Fields
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AsyncCallback _callback;
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object _asyncState;
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bool _completedSynchronously;
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bool _done;
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ManualResetEvent _waitHandle;
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internal object Result;
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internal Exception Exception;
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internal WebRequest Request;
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#endregion // Fields
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#region Constructors
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internal WebClientAsyncResult (WebRequest request, AsyncCallback callback, object asyncState)
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{
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_callback = callback;
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Request = request;
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_asyncState = asyncState;
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}
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#endregion // Constructors
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#region Properties
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public object AsyncState {
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get { return _asyncState; }
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}
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public WaitHandle AsyncWaitHandle
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{
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get
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{
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lock (this) {
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if (_waitHandle != null) return _waitHandle;
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_waitHandle = new ManualResetEvent (_done);
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return _waitHandle;
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}
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}
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}
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public bool CompletedSynchronously
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{
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get { return _completedSynchronously; }
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}
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public bool IsCompleted
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{
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get { lock (this) { return _done; } }
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}
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#endregion // Properties
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#region Methods
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public void Abort ()
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{
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Request.Abort ();
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}
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internal void SetCompleted (object result, Exception exception, bool async)
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{
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lock (this)
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{
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Exception = exception;
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Result = result;
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_done = true;
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_completedSynchronously = async;
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if (_waitHandle != null) _waitHandle.Set ();
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Monitor.PulseAll (this);
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}
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if (_callback != null) _callback (this);
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}
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internal void WaitForComplete ()
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{
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lock (this)
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{
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if (_done)
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return;
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Monitor.Wait (this);
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}
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}
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#endregion // Methods
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}
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}
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