55 lines
2.0 KiB
C#
55 lines
2.0 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ReadAsyncResult.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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/*
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* IAsyncResult for asynchronous read.
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*
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* Copyright (c) 2010 Microsoft Corporation
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*/
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namespace System.Web.Hosting {
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using System;
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using System.Threading;
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using System.Web.Util;
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internal class ReadAsyncResult : AsyncResultBase {
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private int _bytesRead;
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private byte[] _buffer;
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private int _offset;
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private int _count;
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private bool _updatePerfCounter;
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internal ReadAsyncResult(AsyncCallback cb, Object state, byte[] buffer, int offset, int count, bool updatePerfCounter): base(cb, state) {
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_buffer = buffer;
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_offset = offset;
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_count = count;
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_updatePerfCounter = updatePerfCounter;
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}
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internal override void Complete(int bytesRead, int hresult, IntPtr pbAsyncReceiveBuffer, bool synchronous) {
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if (_updatePerfCounter && bytesRead > 0) {
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PerfCounters.IncrementCounterEx(AppPerfCounter.REQUEST_BYTES_IN, bytesRead);
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}
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if (bytesRead != 0) {
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CopyBytes(pbAsyncReceiveBuffer, bytesRead);
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}
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_bytesRead = bytesRead;
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Complete(hresult, synchronous);
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}
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private unsafe void CopyBytes(IntPtr pbAsyncReceiveBuffer, int bytesRead) {
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byte * src = ((byte *)pbAsyncReceiveBuffer);
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fixed (byte * dst = _buffer) {
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StringUtil.memcpyimpl(src, dst + _offset, bytesRead);
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}
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}
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internal int BytesRead { get { return _bytesRead; } set { _bytesRead = value; } }
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}
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}
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