Mercurial > hg > orthanc
annotate OrthancFramework/Sources/HttpServer/HttpStreamTranscoder.h @ 5418:cd90d8b4661e
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 08 Nov 2023 16:16:14 +0100 |
parents | 0ea402b4d901 |
children | 48b8dae6dc77 |
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1525 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1525 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
1525 | 7 * |
8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
1525 | 12 * |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 * Lesser General Public License for more details. |
1525 | 17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
1525 | 21 **/ |
22 | |
23 | |
24 #pragma once | |
25 | |
26 #include "BufferHttpSender.h" | |
27 | |
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28 #include "../Compatibility.h" |
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29 |
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30 #include <memory> // For std::unique_ptr |
1525 | 31 |
32 namespace Orthanc | |
33 { | |
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34 class ORTHANC_PUBLIC HttpStreamTranscoder : public IHttpStreamAnswer |
1525 | 35 { |
36 private: | |
37 IHttpStreamAnswer& source_; | |
38 CompressionType sourceCompression_; | |
39 uint64_t bytesToSkip_; | |
40 uint64_t skipped_; | |
41 uint64_t currentChunkOffset_; | |
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42 bool ready_; |
1525 | 43 |
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44 std::unique_ptr<BufferHttpSender> uncompressed_; |
1525 | 45 |
46 void ReadSource(std::string& buffer); | |
47 | |
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48 HttpCompression SetupZlibCompression(bool deflateAllowed); |
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49 |
1525 | 50 public: |
51 HttpStreamTranscoder(IHttpStreamAnswer& source, | |
4298 | 52 CompressionType compression); |
1525 | 53 |
54 // This is the first method to be called | |
55 virtual HttpCompression SetupHttpCompression(bool gzipAllowed, | |
4201 | 56 bool deflateAllowed) ORTHANC_OVERRIDE; |
1525 | 57 |
4298 | 58 virtual bool HasContentFilename(std::string& filename) ORTHANC_OVERRIDE; |
1525 | 59 |
4298 | 60 virtual std::string GetContentType() ORTHANC_OVERRIDE; |
1525 | 61 |
4201 | 62 virtual uint64_t GetContentLength() ORTHANC_OVERRIDE; |
1525 | 63 |
4201 | 64 virtual bool ReadNextChunk() ORTHANC_OVERRIDE; |
1525 | 65 |
4201 | 66 virtual const char* GetChunkContent() ORTHANC_OVERRIDE; |
1525 | 67 |
4201 | 68 virtual size_t GetChunkSize() ORTHANC_OVERRIDE; |
1525 | 69 }; |
70 } |