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annotate OrthancServer/ServerContext.cpp @ 226:8a26a8e85edf

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refactoring to read files
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 30 Nov 2012 09:45:29 +0100
parents 4eb0c7ce86c9
children 209ca3f6db62
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "ServerContext.h"
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34
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35 #include "../Core/HttpServer/FilesystemHttpSender.h"
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36
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37 #include <glog/logging.h>
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38
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39 namespace Orthanc
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40 {
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41 ServerContext::ServerContext(const boost::filesystem::path& path) :
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42 storage_(path.string()),
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43 index_(*this, path.string())
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44 {
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45 }
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46
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47 StoreStatus ServerContext::Store(const char* dicomFile,
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48 size_t dicomSize,
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49 const DicomMap& dicomSummary,
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50 const Json::Value& dicomJson,
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51 const std::string& remoteAet)
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52 {
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53 std::string fileUuid = storage_.Create(dicomFile, dicomSize);
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54 std::string jsonUuid = storage_.Create(dicomJson.toStyledString());
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55 StoreStatus status = index_.Store(dicomSummary, fileUuid, dicomSize, jsonUuid, remoteAet);
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56
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57 if (status != StoreStatus_Success)
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58 {
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59 storage_.Remove(fileUuid);
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60 storage_.Remove(jsonUuid);
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61 }
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62
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63 switch (status)
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64 {
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65 case StoreStatus_Success:
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66 LOG(INFO) << "New instance stored";
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67 break;
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68
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69 case StoreStatus_AlreadyStored:
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70 LOG(INFO) << "Already stored";
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71 break;
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72
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73 case StoreStatus_Failure:
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74 LOG(ERROR) << "Store failure";
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75 break;
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76 }
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77
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78 return status;
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79 }
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80
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81
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82 void ServerContext::AnswerFile(RestApiOutput& output,
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83 const std::string& instancePublicId,
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84 AttachedFileType content)
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85 {
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86 CompressionType compressionType;
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87 std::string fileUuid;
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88
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89 if (index_.GetFile(fileUuid, compressionType,
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90 instancePublicId, AttachedFileType_Dicom))
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91 {
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92 assert(compressionType == CompressionType_None);
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93
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94 FilesystemHttpSender sender(storage_, fileUuid);
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95 sender.SetDownloadFilename(fileUuid + ".dcm");
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96 sender.SetContentType("application/dicom");
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97 output.AnswerFile(sender);
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98 }
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99 }
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100
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101
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102 void ServerContext::ReadJson(Json::Value& result,
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103 const std::string& instancePublicId)
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104 {
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105 CompressionType compressionType;
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106 std::string fileUuid;
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107 if (!index_.GetFile(fileUuid, compressionType, instancePublicId, AttachedFileType_Json))
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108 {
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109 throw OrthancException(ErrorCode_InternalError);
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110 }
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111
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112 assert(compressionType == CompressionType_None);
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113
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114 std::string s;
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115 storage_.ReadFile(s, fileUuid);
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116
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117 Json::Reader reader;
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118 if (!reader.parse(s, result))
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119 {
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120 throw OrthancException("Corrupted JSON file");
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121 }
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122 }
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123 }