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annotate OrthancStone/Sources/Oracle/ParseDicomSuccessMessage.cpp @ 1553:bf02a90ca9ca

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 17 Aug 2020 13:25:54 +0200
parents 244ad1e4e76a
children 85e117739eca
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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
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "ParseDicomSuccessMessage.h"
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23
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24 #include <DicomParsing/ParsedDicomFile.h>
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25 #include <HttpServer/MultipartStreamReader.h>
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26 #include <OrthancException.h>
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27
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28 namespace OrthancStone
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29 {
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30 class MultipartHandler : public Orthanc::MultipartStreamReader::IHandler
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31 {
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32 private:
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33 std::unique_ptr<Orthanc::ParsedDicomFile> dicom_;
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34 size_t size_;
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35
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36 public:
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37 MultipartHandler() :
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38 size_(0)
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39 {
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40 }
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41
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42 virtual void HandlePart(const std::map<std::string, std::string>& headers,
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43 const void* part,
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44 size_t size)
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45 {
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46 if (dicom_.get())
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47 {
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48 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
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49 "Multiple DICOM instances were contained in a WADO-RS request");
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50 }
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51 else
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52 {
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53 dicom_.reset(new Orthanc::ParsedDicomFile(part, size));
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54 size_ = size;
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55 }
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56 }
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57
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58 Orthanc::ParsedDicomFile* ReleaseDicom()
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59 {
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60 if (dicom_.get())
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61 {
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62 return dicom_.release();
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63 }
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64 else
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65 {
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66 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
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67 "WADO-RS request didn't contain any DICOM instance");
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68 }
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69 }
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70
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71 size_t GetSize() const
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72 {
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73 return size_;
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74 }
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75 };
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76
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77
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78 Orthanc::ParsedDicomFile* ParseDicomSuccessMessage::ParseWadoAnswer(
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79 size_t& fileSize /* OUT */,
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80 const std::string& answer,
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81 const std::map<std::string, std::string>& headers)
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82 {
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83 std::string contentType, subType, boundary, header;
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84 if (Orthanc::MultipartStreamReader::GetMainContentType(header, headers) &&
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85 Orthanc::MultipartStreamReader::ParseMultipartContentType(contentType, subType, boundary, header) &&
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86 contentType == "multipart/related" &&
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87 subType == "application/dicom")
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88 {
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89 MultipartHandler handler;
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90
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91 {
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92 Orthanc::MultipartStreamReader reader(boundary);
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93 reader.SetHandler(handler);
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94 reader.AddChunk(answer);
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95 reader.CloseStream();
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96 }
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97
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98 fileSize = handler.GetSize();
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99 return handler.ReleaseDicom();
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100 }
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101 else
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102 {
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103 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol,
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104 "Multipart/related answer of application/dicom was expected from DICOMweb server");
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105 }
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106 }
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107 }