annotate OrthancServer/Plugins/Engine/PluginsJob.cpp @ 4839:ee2c35896145

clarified error message
author Alain Mazy <am@osimis.io>
date Thu, 02 Dec 2021 14:51:55 +0100
parents 7053502fbf97
children 2e71a08eea15 43e613a7756b
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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) 2017-2021 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU General Public License as
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10 * published by the Free Software Foundation, either version 3 of the
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11 * License, or (at your option) any later version.
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12 *
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13 * In addition, as a special exception, the copyright holders of this
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14 * program give permission to link the code of its release with the
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15 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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16 * that use the same license as the "OpenSSL" library), and distribute
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17 * the linked executables. You must obey the GNU General Public License
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18 * in all respects for all of the code used other than "OpenSSL". If you
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19 * modify file(s) with this exception, you may extend this exception to
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20 * your version of the file(s), but you are not obligated to do so. If
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21 * you do not wish to do so, delete this exception statement from your
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22 * version. If you delete this exception statement from all source files
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23 * in the program, then also delete it here.
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24 *
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25 * This program is distributed in the hope that it will be useful, but
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26 * WITHOUT ANY WARRANTY; without even the implied warranty of
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27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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28 * General Public License for more details.
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29 *
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30 * You should have received a copy of the GNU General Public License
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31 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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32 **/
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34
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35 #include "../../Sources/PrecompiledHeadersServer.h"
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36 #include "PluginsJob.h"
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37
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38 #if ORTHANC_ENABLE_PLUGINS != 1
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39 #error The plugin support is disabled
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40 #endif
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41
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42
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43 #include "../../../OrthancFramework/Sources/Logging.h"
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44 #include "../../../OrthancFramework/Sources/OrthancException.h"
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45 #include "../../../OrthancFramework/Sources/Toolbox.h"
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46
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47 #include <cassert>
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48
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49 namespace Orthanc
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50 {
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51 PluginsJob::PluginsJob(const _OrthancPluginCreateJob& parameters) :
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52 parameters_(parameters)
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53 {
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54 if (parameters_.job == NULL)
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55 {
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56 throw OrthancException(ErrorCode_NullPointer);
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57 }
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58
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59 if (parameters_.target == NULL ||
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60 parameters_.finalize == NULL ||
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61 parameters_.type == NULL ||
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62 parameters_.getProgress == NULL ||
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63 parameters_.getContent == NULL ||
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64 parameters_.getSerialized == NULL ||
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65 parameters_.step == NULL ||
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66 parameters_.stop == NULL ||
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67 parameters_.reset == NULL)
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68 {
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69 parameters_.finalize(parameters.job);
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70 throw OrthancException(ErrorCode_NullPointer);
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71 }
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72
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73 type_.assign(parameters.type);
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74 }
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75
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76 PluginsJob::~PluginsJob()
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77 {
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78 assert(parameters_.job != NULL);
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79 parameters_.finalize(parameters_.job);
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80 }
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81
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82 JobStepResult PluginsJob::Step(const std::string& jobId)
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83 {
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84 OrthancPluginJobStepStatus status = parameters_.step(parameters_.job);
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85
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86 switch (status)
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87 {
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88 case OrthancPluginJobStepStatus_Success:
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89 return JobStepResult::Success();
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90
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91 case OrthancPluginJobStepStatus_Failure:
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92 return JobStepResult::Failure(ErrorCode_Plugin, NULL);
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93
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94 case OrthancPluginJobStepStatus_Continue:
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95 return JobStepResult::Continue();
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96
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97 default:
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98 throw OrthancException(ErrorCode_ParameterOutOfRange);
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99 }
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100 }
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101
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102 void PluginsJob::Reset()
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103 {
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104 parameters_.reset(parameters_.job);
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105 }
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106
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107 void PluginsJob::Stop(JobStopReason reason)
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108 {
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109 switch (reason)
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110 {
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111 case JobStopReason_Success:
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112 parameters_.stop(parameters_.job, OrthancPluginJobStopReason_Success);
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113 break;
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114
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115 case JobStopReason_Failure:
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116 parameters_.stop(parameters_.job, OrthancPluginJobStopReason_Failure);
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117 break;
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118
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119 case JobStopReason_Canceled:
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120 parameters_.stop(parameters_.job, OrthancPluginJobStopReason_Canceled);
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121 break;
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122
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123 case JobStopReason_Paused:
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124 parameters_.stop(parameters_.job, OrthancPluginJobStopReason_Paused);
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125 break;
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126
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127 default:
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128 throw OrthancException(ErrorCode_ParameterOutOfRange);
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129 }
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130 }
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131
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132 float PluginsJob::GetProgress()
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133 {
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134 return parameters_.getProgress(parameters_.job);
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135 }
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136
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137 void PluginsJob::GetPublicContent(Json::Value& value)
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138 {
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139 const char* content = parameters_.getContent(parameters_.job);
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140
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141 if (content == NULL)
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142 {
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143 value = Json::objectValue;
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144 }
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145 else
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146 {
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147 if (!Toolbox::ReadJson(value, content) ||
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148 value.type() != Json::objectValue)
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149 {
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150 throw OrthancException(ErrorCode_Plugin,
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151 "A job plugin must provide a JSON object as its public content");
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152 }
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153 }
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154 }
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155
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156 bool PluginsJob::Serialize(Json::Value& value)
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157 {
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158 const char* serialized = parameters_.getSerialized(parameters_.job);
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159
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160 if (serialized == NULL)
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161 {
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162 return false;
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163 }
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164 else
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165 {
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166 if (!Toolbox::ReadJson(value, serialized) ||
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167 value.type() != Json::objectValue)
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168 {
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169 throw OrthancException(ErrorCode_Plugin,
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170 "A job plugin must provide a JSON object as its serialized content");
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171 }
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172
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173
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174 static const char* KEY_TYPE = "Type";
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175
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176 if (value.isMember(KEY_TYPE))
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177 {
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178 throw OrthancException(ErrorCode_Plugin,
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179 "The \"Type\" field is for reserved use for serialized job");
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180 }
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181
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182 value[KEY_TYPE] = type_;
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183 return true;
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184 }
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185 }
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186 }