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annotate OrthancStone/Sources/Oracle/ParseDicomSuccessMessage.cpp @ 1928:c73e696967b0 StoneWebViewer-2.3

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StoneWebViewer-2.3
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 24 Mar 2022 09:08:51 +0100
parents 7053b8a0aaec
children 07964689cb0b
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
1871
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 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
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24 #include "ParseDicomSuccessMessage.h"
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25
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26 #include <DicomParsing/ParsedDicomFile.h>
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27 #include <HttpServer/MultipartStreamReader.h>
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28 #include <OrthancException.h>
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29
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30 namespace OrthancStone
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31 {
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32 class MultipartHandler : public Orthanc::MultipartStreamReader::IHandler
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33 {
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34 private:
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35 std::unique_ptr<Orthanc::ParsedDicomFile> dicom_;
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36 size_t size_;
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37
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38 public:
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39 MultipartHandler() :
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40 size_(0)
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41 {
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42 }
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43
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44 virtual void HandlePart(const std::map<std::string, std::string>& headers,
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45 const void* part,
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46 size_t size) ORTHANC_OVERRIDE
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47 {
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48 if (dicom_.get())
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49 {
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50 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
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51 "Multiple DICOM instances were contained in a WADO-RS request");
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52 }
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53 else
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54 {
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55 dicom_.reset(new Orthanc::ParsedDicomFile(part, size));
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56 size_ = size;
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57 }
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58 }
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59
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60 Orthanc::ParsedDicomFile* ReleaseDicom()
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61 {
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62 if (dicom_.get())
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63 {
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64 return dicom_.release();
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65 }
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66 else
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67 {
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68 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
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69 "WADO-RS request didn't contain any DICOM instance");
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70 }
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71 }
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72
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73 size_t GetSize() const
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74 {
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75 return size_;
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76 }
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77 };
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78
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79
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80 Orthanc::ParsedDicomFile* ParseDicomSuccessMessage::ParseWadoAnswer(
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81 size_t& fileSize /* OUT */,
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82 const std::string& answer,
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83 const std::map<std::string, std::string>& headers)
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84 {
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85 std::string contentType, subType, boundary, header;
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86 if (Orthanc::MultipartStreamReader::GetMainContentType(header, headers) &&
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87 Orthanc::MultipartStreamReader::ParseMultipartContentType(contentType, subType, boundary, header) &&
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88 contentType == "multipart/related" &&
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89 subType == "application/dicom")
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90 {
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91 MultipartHandler handler;
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92
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93 {
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94 Orthanc::MultipartStreamReader reader(boundary);
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95 reader.SetHandler(handler);
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96 reader.AddChunk(answer);
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97 reader.CloseStream();
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98 }
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99
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100 fileSize = handler.GetSize();
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101 return handler.ReleaseDicom();
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102 }
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103 else
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104 {
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105 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
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106 "Multipart/related answer of application/dicom was expected from DICOMweb server");
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107 }
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108 }
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109 }