49 lines
2.2 KiB
C#
49 lines
2.2 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.Common.Data;
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public static class StreamExtension
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{
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public const int BufferSize = 2048; //NOTE: set to 2048 to fit in minimum tcp window
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public static void StreamCopyTo(this Stream srcStream, Stream dstStream, int length)
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{
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ArgumentNullException.ThrowIfNull(srcStream);
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ArgumentNullException.ThrowIfNull(dstStream);
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var buffer = new byte[BufferSize];
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var totalRead = 0;
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int readed;
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while ((readed = srcStream.Read(buffer, 0, length - totalRead > BufferSize ? BufferSize : length - totalRead)) > 0 && totalRead < length)
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{
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dstStream.Write(buffer, 0, readed);
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totalRead += readed;
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}
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}
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}
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