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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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619
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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 #include "OrthancMoveRequestHandler.h"
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33
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34 #include <glog/logging.h>
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35
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36 #include "DicomProtocol/DicomUserConnection.h"
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37 #include "OrthancInitialization.h"
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38
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39 namespace Orthanc
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40 {
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41 namespace
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42 {
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43 // Anonymous namespace to avoid clashes between compilation modules
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44
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45 class OrthancMoveRequestIterator : public IMoveRequestIterator
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46 {
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47 private:
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48 ServerContext& context_;
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49 std::vector<std::string> instances_;
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50 DicomUserConnection connection_;
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51 size_t position_;
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52
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53 public:
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54 OrthancMoveRequestIterator(ServerContext& context,
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55 const std::string& target,
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56 const std::string& publicId) :
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57 context_(context),
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58 position_(0)
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59 {
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60 LOG(INFO) << "Sending resource " << publicId << " to modality \"" << target << "\"";
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61
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62 std::list<std::string> tmp;
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63 context_.GetIndex().GetChildInstances(tmp, publicId);
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64
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65 instances_.reserve(tmp.size());
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656
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66 for (std::list<std::string>::iterator it = tmp.begin(); it != tmp.end(); ++it)
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67 {
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68 instances_.push_back(*it);
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69 }
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70
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71 ConnectToModalityUsingAETitle(connection_, target);
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72 }
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73
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74 virtual unsigned int GetSubOperationCount() const
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75 {
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76 return instances_.size();
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77 }
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78
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79 virtual Status DoNext()
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80 {
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81 if (position_ >= instances_.size())
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82 {
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83 return Status_Failure;
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84 }
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85
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86 const std::string& id = instances_[position_++];
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87
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88 std::string dicom;
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89 context_.ReadFile(dicom, id, FileContentType_Dicom);
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90 connection_.Store(dicom);
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91
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92 return Status_Success;
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93 }
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94 };
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95 }
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96
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97
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98 bool OrthancMoveRequestHandler::LookupResource(std::string& publicId,
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99 DicomTag tag,
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100 const DicomMap& input)
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101 {
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102 if (!input.HasTag(tag))
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103 {
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104 return false;
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105 }
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106
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107 std::string value = input.GetValue(tag).AsString();
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108
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109 std::list<std::string> ids;
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110 context_.GetIndex().LookupTagValue(ids, tag, value);
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111
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112 if (ids.size() != 1)
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113 {
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114 return false;
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115 }
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116 else
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117 {
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118 publicId = ids.front();
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119 return true;
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120 }
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121 }
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122
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123
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124 IMoveRequestIterator* OrthancMoveRequestHandler::Handle(const std::string& target,
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125 const DicomMap& input)
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126 {
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127 LOG(WARNING) << "Move-SCU request received for AET \"" << target << "\"";
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128
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129
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130 /**
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131 * Retrieve the query level.
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132 **/
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133
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134 const DicomValue* levelTmp = input.TestAndGetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL);
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135 if (levelTmp == NULL)
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136 {
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137 throw OrthancException(ErrorCode_BadRequest);
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138 }
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139
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140 ResourceType level = StringToResourceType(levelTmp->AsString().c_str());
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141
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142 /**
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143 * Lookup for the resource to be sent.
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144 **/
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145
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146 bool ok;
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147 std::string publicId;
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148
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149 switch (level)
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150 {
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151 case ResourceType_Patient:
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152 ok = LookupResource(publicId, DICOM_TAG_PATIENT_ID, input);
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153 break;
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154
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155 case ResourceType_Study:
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156 ok = LookupResource(publicId, DICOM_TAG_STUDY_INSTANCE_UID, input);
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157 break;
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158
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159 case ResourceType_Series:
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160 ok = LookupResource(publicId, DICOM_TAG_SERIES_INSTANCE_UID, input);
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161 break;
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162
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163 case ResourceType_Instance:
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164 ok = LookupResource(publicId, DICOM_TAG_SOP_INSTANCE_UID, input);
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165 break;
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166
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167 default:
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168 ok = false;
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169 }
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170
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171 if (!ok)
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172 {
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173 throw OrthancException(ErrorCode_BadRequest);
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174 }
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175
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176 return new OrthancMoveRequestIterator(context_, target, publicId);
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177 }
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178 }
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