websocket-sharp/websocket-sharp/Net/HttpStreamAsyncResult.cs
2014-05-31 15:46:10 +09:00

134 lines
3.2 KiB
C#

#region License
/*
* HttpStreamAsyncResult.cs
*
* This code is derived from System.Net.HttpStreamAsyncResult.cs of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.Threading;
namespace WebSocketSharp.Net
{
internal class HttpStreamAsyncResult : IAsyncResult
{
#region Private Fields
private AsyncCallback _callback;
private bool _completed;
private object _state;
private object _sync;
private ManualResetEvent _waitHandle;
#endregion
#region Internal Fields
internal byte [] Buffer;
internal int Count;
internal Exception Error;
internal int Offset;
internal int SyncRead;
#endregion
#region Public Constructors
public HttpStreamAsyncResult (AsyncCallback callback, object state)
{
_callback = callback;
_state = state;
_sync = new object ();
}
#endregion
#region Public Properties
public object AsyncState {
get {
return _state;
}
}
public WaitHandle AsyncWaitHandle {
get {
lock (_sync)
return _waitHandle ?? (_waitHandle = new ManualResetEvent (_completed));
}
}
public bool CompletedSynchronously {
get {
return SyncRead == Count;
}
}
public bool IsCompleted {
get {
lock (_sync)
return _completed;
}
}
#endregion
#region Public Methods
public void Complete ()
{
lock (_sync) {
if (_completed)
return;
_completed = true;
if (_waitHandle != null)
_waitHandle.Set ();
if (_callback != null)
_callback.BeginInvoke (this, ar => _callback.EndInvoke (ar), null);
}
}
public void Complete (Exception exception)
{
Error = exception;
Complete ();
}
#endregion
}
}