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- #region License
- /*
- * HttpStreamAsyncResult.cs
- *
- * This code is derived from HttpStreamAsyncResult.cs (System.Net) of Mono
- * (http://www.mono-project.com).
- *
- * The MIT License
- *
- * Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
- * Copyright (c) 2012-2021 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 byte[] _buffer;
- private AsyncCallback _callback;
- private bool _completed;
- private int _count;
- private Exception _exception;
- private int _offset;
- private object _state;
- private object _sync;
- private int _syncRead;
- private ManualResetEvent _waitHandle;
- #endregion
- #region Internal Constructors
- internal HttpStreamAsyncResult (AsyncCallback callback, object state)
- {
- _callback = callback;
- _state = state;
- _sync = new object ();
- }
- #endregion
- #region Internal Properties
- internal byte[] Buffer {
- get {
- return _buffer;
- }
- set {
- _buffer = value;
- }
- }
- internal int Count {
- get {
- return _count;
- }
- set {
- _count = value;
- }
- }
- internal Exception Exception {
- get {
- return _exception;
- }
- }
- internal bool HasException {
- get {
- return _exception != null;
- }
- }
- internal int Offset {
- get {
- return _offset;
- }
- set {
- _offset = value;
- }
- }
- internal int SyncRead {
- get {
- return _syncRead;
- }
- set {
- _syncRead = value;
- }
- }
- #endregion
- #region Public Properties
- public object AsyncState {
- get {
- return _state;
- }
- }
- public WaitHandle AsyncWaitHandle {
- get {
- lock (_sync) {
- if (_waitHandle == null)
- _waitHandle = new ManualResetEvent (_completed);
- return _waitHandle;
- }
- }
- }
- public bool CompletedSynchronously {
- get {
- return _syncRead == _count;
- }
- }
- public bool IsCompleted {
- get {
- lock (_sync)
- return _completed;
- }
- }
- #endregion
- #region Internal Methods
- internal 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);
- }
- }
- internal void Complete (Exception exception)
- {
- lock (_sync) {
- if (_completed)
- return;
- _completed = true;
- _exception = exception;
- if (_waitHandle != null)
- _waitHandle.Set ();
- if (_callback != null)
- _callback.BeginInvoke (this, ar => _callback.EndInvoke (ar), null);
- }
- }
- #endregion
- }
- }
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