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annotate OrthancFramework/Sources/HttpServer/FilesystemHttpSender.h @ 5406:aaf7c49a9ddc am-http-compression

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tentative to implement smart HTTP compression with detection of transfer syntax
author Alain Mazy <am@osimis.io>
date Sat, 04 Nov 2023 13:42:30 +0100
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children
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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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
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7 *
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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.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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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/>.
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21 **/
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22
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23 #pragma once
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24
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25 #include "HttpFileSender.h"
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26 #include "BufferHttpSender.h"
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27 #include "../FileStorage/FilesystemStorage.h"
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29 #include <fstream>
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30
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31 namespace Orthanc
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32 {
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33 class ORTHANC_PUBLIC FilesystemHttpSender : public HttpFileSender
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34 {
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35 private:
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36 std::ifstream file_;
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37 uint64_t size_;
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38 std::string chunk_;
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39 size_t chunkSize_;
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40
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41 void Initialize(const boost::filesystem::path& path);
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43 public:
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44 explicit FilesystemHttpSender(const std::string& path);
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45
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46 explicit FilesystemHttpSender(const boost::filesystem::path& path) ORTHANC_LOCAL;
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47
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48 FilesystemHttpSender(const std::string& path,
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49 MimeType contentType);
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50
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51 FilesystemHttpSender(const std::string& path,
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52 MimeType contentType,
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53 ContentCompression contentCompression);
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54
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55 FilesystemHttpSender(const FilesystemStorage& storage,
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56 const std::string& uuid);
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57
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58 /**
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59 * Implementation of the IHttpStreamAnswer interface.
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60 **/
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61
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62 virtual uint64_t GetContentLength() ORTHANC_OVERRIDE;
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63
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64 virtual bool ReadNextChunk() ORTHANC_OVERRIDE;
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65
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66 virtual const char* GetChunkContent() ORTHANC_OVERRIDE;
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67
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68 virtual size_t GetChunkSize() ORTHANC_OVERRIDE;
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69 };
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70 }