Mercurial > hg > orthanc
annotate Plugins/Samples/ModalityWorklists/Plugin.cpp @ 1814:7c5ea3e51839
fix msvc build
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 24 Nov 2015 11:03:09 +0100 |
| parents | 5fc11b79b406 |
| children | 74dc6b764ff0 |
| rev | line source |
|---|---|
| 1802 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 **/ | |
| 19 | |
| 20 | |
| 21 #include <orthanc/OrthancCPlugin.h> | |
| 22 | |
| 23 #include <boost/filesystem.hpp> | |
| 24 #include <json/value.h> | |
| 25 #include <json/reader.h> | |
| 26 #include <string.h> | |
| 27 #include <iostream> | |
| 1814 | 28 #include <algorithm> |
| 1802 | 29 |
| 30 static OrthancPluginContext* context_ = NULL; | |
| 31 static std::string folder_; | |
| 32 | |
| 33 | |
| 34 static bool ReadFile(std::string& result, | |
| 35 const std::string& path) | |
| 36 { | |
| 37 OrthancPluginMemoryBuffer tmp; | |
| 38 if (OrthancPluginReadFile(context_, &tmp, path.c_str())) | |
| 39 { | |
| 40 return false; | |
| 41 } | |
| 42 else | |
| 43 { | |
| 44 result.assign(reinterpret_cast<const char*>(tmp.data), tmp.size); | |
| 45 OrthancPluginFreeMemoryBuffer(context_, &tmp); | |
| 46 return true; | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 | |
| 51 /** | |
| 52 * This is the main function for matching a DICOM worklist against a query. | |
| 53 **/ | |
| 54 static OrthancPluginErrorCode MatchWorklist(OrthancPluginWorklistAnswers* answers, | |
| 55 const OrthancPluginWorklistQuery* query, | |
| 56 const std::string& path) | |
| 57 { | |
| 58 std::string dicom; | |
| 59 if (!ReadFile(dicom, path)) | |
| 60 { | |
| 61 // Cannot read this file, ignore this error | |
| 62 return OrthancPluginErrorCode_Success; | |
| 63 } | |
| 64 | |
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65 if (OrthancPluginWorklistIsMatch(context_, query, dicom.c_str(), dicom.size())) |
| 1802 | 66 { |
| 67 // This DICOM file matches the worklist query, add it to the answers | |
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68 return OrthancPluginWorklistAddAnswer |
| 1802 | 69 (context_, answers, query, dicom.c_str(), dicom.size()); |
| 70 } | |
| 71 else | |
| 72 { | |
| 73 // This DICOM file does not match | |
| 74 return OrthancPluginErrorCode_Success; | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 | |
| 79 | |
| 80 static bool ConvertToJson(Json::Value& result, | |
| 81 char* content) | |
| 82 { | |
| 83 if (content == NULL) | |
| 84 { | |
| 85 return false; | |
| 86 } | |
| 87 else | |
| 88 { | |
| 89 Json::Reader reader; | |
| 90 bool success = reader.parse(content, content + strlen(content), result); | |
| 91 OrthancPluginFreeString(context_, content); | |
| 92 return success; | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 | |
| 97 static bool GetQueryDicom(Json::Value& value, | |
| 98 const OrthancPluginWorklistQuery* query) | |
| 99 { | |
| 100 OrthancPluginMemoryBuffer dicom; | |
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101 if (OrthancPluginWorklistGetDicomQuery(context_, &dicom, query)) |
| 1802 | 102 { |
| 103 return false; | |
| 104 } | |
| 105 | |
| 106 char* json = OrthancPluginDicomBufferToJson(context_, reinterpret_cast<const char*>(dicom.data), | |
| 107 dicom.size, | |
| 108 OrthancPluginDicomToJsonFormat_Short, | |
| 109 static_cast<OrthancPluginDicomToJsonFlags>(0), 0); | |
| 110 OrthancPluginFreeMemoryBuffer(context_, &dicom); | |
| 111 | |
| 112 return ConvertToJson(value, json); | |
| 113 } | |
| 114 | |
| 115 | |
| 1814 | 116 static void ToLowerCase(std::string& s) |
| 117 { | |
| 118 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
| 119 } | |
| 120 | |
| 121 | |
| 1802 | 122 OrthancPluginErrorCode Callback(OrthancPluginWorklistAnswers* answers, |
| 123 const OrthancPluginWorklistQuery* query, | |
| 124 const char* remoteAet, | |
| 125 const char* calledAet) | |
| 126 { | |
| 127 Json::Value json; | |
| 128 | |
| 129 if (!GetQueryDicom(json, query)) | |
| 130 { | |
| 131 return OrthancPluginErrorCode_InternalError; | |
| 132 } | |
| 133 | |
| 134 std::cout << "Received worklist query from remote modality " << remoteAet | |
| 135 << ":" << std::endl << json.toStyledString(); | |
| 136 | |
| 137 boost::filesystem::path source(folder_); | |
| 138 boost::filesystem::directory_iterator end; | |
| 139 | |
| 140 try | |
| 141 { | |
| 142 for (boost::filesystem::directory_iterator it(source); it != end; ++it) | |
| 143 { | |
| 144 if (is_regular_file(it->status())) | |
| 145 { | |
| 146 std::string extension = boost::filesystem::extension(it->path()); | |
| 1814 | 147 ToLowerCase(extension); |
| 148 | |
| 149 if (extension == ".wl") | |
| 1802 | 150 { |
| 151 OrthancPluginErrorCode error = MatchWorklist(answers, query, it->path().string()); | |
| 152 if (error) | |
| 153 { | |
| 154 OrthancPluginLogError(context_, "Error while adding an answer to a worklist request"); | |
| 155 return error; | |
| 156 } | |
| 157 } | |
| 158 } | |
| 159 } | |
| 160 } | |
| 161 catch (boost::filesystem::filesystem_error&) | |
| 162 { | |
| 163 std::string description = std::string("Inexistent folder while scanning for worklists: ") + source.string(); | |
| 164 OrthancPluginLogError(context_, description.c_str()); | |
| 165 return OrthancPluginErrorCode_DirectoryExpected; | |
| 166 } | |
| 167 | |
| 168 // Uncomment the following line if too many answers are to be returned | |
| 169 // OrthancPluginMarkWorklistAnswersIncomplete(context_, answers); | |
| 170 | |
| 171 return OrthancPluginErrorCode_Success; | |
| 172 } | |
| 173 | |
| 174 | |
| 175 extern "C" | |
| 176 { | |
| 177 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c) | |
| 178 { | |
| 179 context_ = c; | |
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180 OrthancPluginLogWarning(context_, "Sample worklist plugin is initializing"); |
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181 OrthancPluginSetDescription(context_, "Serve DICOM modality worklists from a folder with Orthanc."); |
| 1802 | 182 |
| 183 /* Check the version of the Orthanc core */ | |
| 184 if (OrthancPluginCheckVersion(c) == 0) | |
| 185 { | |
| 186 char info[1024]; | |
| 187 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
| 188 context_->orthancVersion, | |
| 189 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, | |
| 190 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
| 191 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
| 192 OrthancPluginLogError(context_, info); | |
| 193 return -1; | |
| 194 } | |
| 195 | |
| 196 Json::Value configuration; | |
| 197 if (!ConvertToJson(configuration, OrthancPluginGetConfiguration(context_))) | |
| 198 { | |
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199 OrthancPluginLogError(context_, "Cannot access the configuration of the worklist server"); |
| 1802 | 200 return -1; |
| 201 } | |
| 202 | |
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203 bool enabled = false; |
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204 |
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205 if (configuration.isMember("Worklists")) |
| 1802 | 206 { |
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207 const Json::Value& config = configuration["Worklists"]; |
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208 if (!config.isMember("Enable") || |
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209 config["Enable"].type() != Json::booleanValue) |
| 1802 | 210 { |
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211 OrthancPluginLogError(context_, "The configuration option \"Worklists.Enable\" must contain a Boolean"); |
| 1802 | 212 return -1; |
| 213 } | |
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214 else |
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215 { |
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216 enabled = config["Enable"].asBool(); |
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217 if (enabled) |
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218 { |
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219 if (!config.isMember("Database") || |
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220 config["Database"].type() != Json::stringValue) |
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221 { |
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222 OrthancPluginLogError(context_, "The configuration option \"Worklists.Database\" must contain a path"); |
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223 return -1; |
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224 } |
| 1802 | 225 |
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226 folder_ = config["Database"].asString(); |
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227 } |
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228 else |
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229 { |
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230 OrthancPluginLogWarning(context_, "Worklists server is disabled by the configuration file"); |
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231 } |
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232 } |
| 1802 | 233 } |
| 234 else | |
| 235 { | |
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236 OrthancPluginLogWarning(context_, "Worklists server is disabled, no suitable configuration section was provided"); |
| 1802 | 237 } |
| 238 | |
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239 if (enabled) |
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240 { |
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241 std::string message = "The database of worklists will be read from folder: " + folder_; |
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242 OrthancPluginLogWarning(context_, message.c_str()); |
| 1802 | 243 |
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244 OrthancPluginRegisterWorklistCallback(context_, Callback); |
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245 } |
| 1802 | 246 |
| 247 return 0; | |
| 248 } | |
| 249 | |
| 250 | |
| 251 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
| 252 { | |
| 253 OrthancPluginLogWarning(context_, "Sample worklist plugin is finalizing"); | |
| 254 } | |
| 255 | |
| 256 | |
| 257 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
| 258 { | |
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259 return "worklists"; |
| 1802 | 260 } |
| 261 | |
| 262 | |
| 263 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
| 264 { | |
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265 return MODALITY_WORKLISTS_VERSION; |
| 1802 | 266 } |
| 267 } |