Mercurial > hg > orthanc
annotate OrthancServer/Plugins/Samples/ModalityWorklists/Plugin.cpp @ 4223:3d6f14a05db1
cppcheck
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 30 Sep 2020 16:25:48 +0200 |
parents | c5cdb6dc6865 |
children | 3c400d3c11ef |
rev | line source |
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1802 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1802 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
1802 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
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11 * |
1802 | 12 * This program is distributed in the hope that it will be useful, but |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
4045 | 22 #include "../../../../OrthancFramework/Sources/Compatibility.h" |
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23 #include "../Common/OrthancPluginCppWrapper.h" |
1802 | 24 |
25 #include <boost/filesystem.hpp> | |
26 #include <json/value.h> | |
27 #include <json/reader.h> | |
28 #include <string.h> | |
29 #include <iostream> | |
1814 | 30 #include <algorithm> |
1802 | 31 |
32 static std::string folder_; | |
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33 static bool filterIssuerAet_ = false; |
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34 static unsigned int limitAnswers_ = 0; |
1802 | 35 |
36 /** | |
37 * This is the main function for matching a DICOM worklist against a query. | |
38 **/ | |
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39 static bool MatchWorklist(OrthancPluginWorklistAnswers* answers, |
2214 | 40 const OrthancPluginWorklistQuery* query, |
41 const OrthancPlugins::FindMatcher& matcher, | |
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42 const std::string& path) |
1802 | 43 { |
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44 OrthancPlugins::MemoryBuffer dicom; |
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45 dicom.ReadFile(path); |
1802 | 46 |
2214 | 47 if (matcher.IsMatch(dicom)) |
1802 | 48 { |
49 // This DICOM file matches the worklist query, add it to the answers | |
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50 OrthancPluginErrorCode code = OrthancPluginWorklistAddAnswer |
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51 (OrthancPlugins::GetGlobalContext(), answers, query, dicom.GetData(), dicom.GetSize()); |
1802 | 52 |
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53 if (code != OrthancPluginErrorCode_Success) |
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54 { |
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55 OrthancPlugins::LogError("Error while adding an answer to a worklist request"); |
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56 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(code); |
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57 } |
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58 |
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59 return true; |
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60 } |
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61 |
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62 return false; |
1814 | 63 } |
64 | |
65 | |
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66 static OrthancPlugins::FindMatcher* CreateMatcher(const OrthancPluginWorklistQuery* query, |
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67 const char* issuerAet) |
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68 { |
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69 // Extract the DICOM instance underlying the C-Find query |
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70 OrthancPlugins::MemoryBuffer dicom; |
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71 dicom.GetDicomQuery(query); |
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72 |
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73 // Convert the DICOM as JSON, and dump it to the user in "--verbose" mode |
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74 Json::Value json; |
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75 dicom.DicomToJson(json, OrthancPluginDicomToJsonFormat_Short, |
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76 static_cast<OrthancPluginDicomToJsonFlags>(0), 0); |
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77 |
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78 OrthancPlugins::LogInfo("Received worklist query from remote modality " + |
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79 std::string(issuerAet) + ":\n" + json.toStyledString()); |
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80 |
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81 if (!filterIssuerAet_) |
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82 { |
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83 return new OrthancPlugins::FindMatcher(query); |
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84 } |
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85 else |
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86 { |
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87 // Alternative sample showing how to fine-tune an incoming C-Find |
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88 // request, before matching it against the worklist database. The |
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89 // code below will restrict the original DICOM request by |
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90 // requesting the ScheduledStationAETitle to correspond to the AET |
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91 // of the C-Find issuer. This code will make the integration test |
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92 // "test_filter_issuer_aet" succeed (cf. the orthanc-tests repository). |
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93 |
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94 static const char* SCHEDULED_PROCEDURE_STEP_SEQUENCE = "0040,0100"; |
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95 static const char* SCHEDULED_STATION_AETITLE = "0040,0001"; |
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96 static const char* PREGNANCY_STATUS = "0010,21c0"; |
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97 |
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98 if (!json.isMember(SCHEDULED_PROCEDURE_STEP_SEQUENCE)) |
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99 { |
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100 // Create a ScheduledProcedureStepSequence sequence, with one empty element |
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101 json[SCHEDULED_PROCEDURE_STEP_SEQUENCE] = Json::arrayValue; |
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102 json[SCHEDULED_PROCEDURE_STEP_SEQUENCE].append(Json::objectValue); |
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103 } |
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104 |
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105 Json::Value& v = json[SCHEDULED_PROCEDURE_STEP_SEQUENCE]; |
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106 |
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107 if (v.type() != Json::arrayValue || |
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108 v.size() != 1 || |
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109 v[0].type() != Json::objectValue) |
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110 { |
2236 | 111 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); |
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112 } |
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113 |
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114 // Set the ScheduledStationAETitle if none was provided |
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115 if (!v[0].isMember(SCHEDULED_STATION_AETITLE) || |
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116 v[0].type() != Json::stringValue || |
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117 v[0][SCHEDULED_STATION_AETITLE].asString().size() == 0 || |
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118 v[0][SCHEDULED_STATION_AETITLE].asString() == "*") |
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119 { |
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120 v[0][SCHEDULED_STATION_AETITLE] = issuerAet; |
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121 } |
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122 |
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123 if (json.isMember(PREGNANCY_STATUS) && |
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124 json[PREGNANCY_STATUS].asString().size() == 0) |
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125 { |
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126 json.removeMember(PREGNANCY_STATUS); |
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127 } |
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128 |
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129 // Encode the modified JSON as a DICOM instance, then convert it to a C-Find matcher |
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130 OrthancPlugins::MemoryBuffer modified; |
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131 modified.CreateDicom(json, OrthancPluginCreateDicomFlags_None); |
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132 |
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133 return new OrthancPlugins::FindMatcher(modified); |
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134 } |
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135 } |
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136 |
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137 |
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138 |
1802 | 139 OrthancPluginErrorCode Callback(OrthancPluginWorklistAnswers* answers, |
140 const OrthancPluginWorklistQuery* query, | |
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141 const char* issuerAet, |
1802 | 142 const char* calledAet) |
143 { | |
144 try | |
145 { | |
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146 // Construct an object to match the worklists in the database against the C-Find query |
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147 std::unique_ptr<OrthancPlugins::FindMatcher> matcher(CreateMatcher(query, issuerAet)); |
1911 | 148 |
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149 // Loop over the regular files in the database folder |
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150 namespace fs = boost::filesystem; |
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152 fs::path source(folder_); |
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153 fs::directory_iterator end; |
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154 unsigned int parsedFilesCount = 0; |
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155 unsigned int matchedWorklistCount = 0; |
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156 |
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157 try |
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158 { |
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159 for (fs::directory_iterator it(source); it != end; ++it) |
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161 fs::file_type type(it->status().type()); |
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163 if (type == fs::regular_file || |
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164 type == fs::reparse_file) // cf. BitBucket issue #11 |
1802 | 165 { |
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166 std::string extension = fs::extension(it->path()); |
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167 std::transform(extension.begin(), extension.end(), extension.begin(), tolower); // Convert to lowercase |
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168 |
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169 if (extension == ".wl") |
1802 | 170 { |
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171 parsedFilesCount++; |
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172 // We found a worklist (i.e. a DICOM find with extension ".wl"), match it against the query |
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173 if (MatchWorklist(answers, query, *matcher, it->path().string())) |
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174 { |
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175 if (limitAnswers_ != 0 && |
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176 matchedWorklistCount >= limitAnswers_) |
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177 { |
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178 // Too many answers are to be returned wrt. the |
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179 // "LimitAnswers" configuration parameter. Mark the |
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180 // C-FIND result as incomplete. |
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181 OrthancPluginWorklistMarkIncomplete(OrthancPlugins::GetGlobalContext(), answers); |
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182 return OrthancPluginErrorCode_Success; |
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183 } |
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184 |
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185 OrthancPlugins::LogInfo("Worklist matched: " + it->path().string()); |
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186 matchedWorklistCount++; |
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187 } |
1802 | 188 } |
189 } | |
190 } | |
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191 |
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192 std::ostringstream message; |
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193 message << "Worklist C-Find: parsed " << parsedFilesCount |
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194 << " files, found " << matchedWorklistCount << " match(es)"; |
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195 OrthancPlugins::LogInfo(message.str()); |
1802 | 196 } |
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197 catch (fs::filesystem_error&) |
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198 { |
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199 OrthancPlugins::LogError("Inexistent folder while scanning for worklists: " + source.string()); |
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200 return OrthancPluginErrorCode_DirectoryExpected; |
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201 } |
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202 |
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203 return OrthancPluginErrorCode_Success; |
1802 | 204 } |
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205 catch (OrthancPlugins::PluginException& e) |
1802 | 206 { |
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207 return e.GetErrorCode(); |
1802 | 208 } |
209 } | |
210 | |
211 | |
212 extern "C" | |
213 { | |
214 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c) | |
215 { | |
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216 OrthancPlugins::SetGlobalContext(c); |
1802 | 217 |
218 /* Check the version of the Orthanc core */ | |
219 if (OrthancPluginCheckVersion(c) == 0) | |
220 { | |
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221 OrthancPlugins::ReportMinimalOrthancVersion(ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, |
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222 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, |
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223 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); |
1802 | 224 return -1; |
225 } | |
226 | |
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227 OrthancPlugins::LogWarning("Sample worklist plugin is initializing"); |
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228 OrthancPluginSetDescription(c, "Serve DICOM modality worklists from a folder with Orthanc."); |
1802 | 229 |
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230 OrthancPlugins::OrthancConfiguration configuration; |
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231 |
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232 OrthancPlugins::OrthancConfiguration worklists; |
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233 configuration.GetSection(worklists, "Worklists"); |
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234 |
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235 bool enabled = worklists.GetBooleanValue("Enable", false); |
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236 if (enabled) |
1802 | 237 { |
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238 if (worklists.LookupStringValue(folder_, "Database")) |
1802 | 239 { |
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240 OrthancPlugins::LogWarning("The database of worklists will be read from folder: " + folder_); |
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241 OrthancPluginRegisterWorklistCallback(OrthancPlugins::GetGlobalContext(), Callback); |
1802 | 242 } |
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243 else |
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244 { |
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245 OrthancPlugins::LogError("The configuration option \"Worklists.Database\" must contain a path"); |
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246 return -1; |
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247 } |
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248 |
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249 filterIssuerAet_ = worklists.GetBooleanValue("FilterIssuerAet", false); |
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250 limitAnswers_ = worklists.GetUnsignedIntegerValue("LimitAnswers", 0); |
1802 | 251 } |
252 else | |
253 { | |
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254 OrthancPlugins::LogWarning("Worklist server is disabled by the configuration file"); |
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255 } |
1802 | 256 |
257 return 0; | |
258 } | |
259 | |
260 | |
261 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
262 { | |
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263 OrthancPlugins::LogWarning("Sample worklist plugin is finalizing"); |
1802 | 264 } |
265 | |
266 | |
267 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
268 { | |
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269 return "worklists"; |
1802 | 270 } |
271 | |
272 | |
273 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
274 { | |
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275 return MODALITY_WORKLISTS_VERSION; |
1802 | 276 } |
277 } |