Mercurial > hg > orthanc
view Core/HttpServer/HttpStreamTranscoder.h @ 2274:bfcf5a7f92e7
fix issue #35
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 17 Mar 2017 16:09:13 +0100 |
parents | a3a65de1840f |
children | 878b59270859 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017 Osimis, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #include "BufferHttpSender.h" #include <memory> // For std::auto_ptr namespace Orthanc { class HttpStreamTranscoder : public IHttpStreamAnswer { private: IHttpStreamAnswer& source_; CompressionType sourceCompression_; uint64_t bytesToSkip_; uint64_t skipped_; uint64_t currentChunkOffset_; bool ready_; std::auto_ptr<BufferHttpSender> uncompressed_; void ReadSource(std::string& buffer); HttpCompression SetupZlibCompression(bool deflateAllowed); public: HttpStreamTranscoder(IHttpStreamAnswer& source, CompressionType compression) : source_(source), sourceCompression_(compression), bytesToSkip_(0), skipped_(0), currentChunkOffset_(0), ready_(false) { } // This is the first method to be called virtual HttpCompression SetupHttpCompression(bool gzipAllowed, bool deflateAllowed); virtual bool HasContentFilename(std::string& filename) { return source_.HasContentFilename(filename); } virtual std::string GetContentType() { return source_.GetContentType(); } virtual uint64_t GetContentLength(); virtual bool ReadNextChunk(); virtual const char* GetChunkContent(); virtual size_t GetChunkSize(); }; }