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2860
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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) 2017-2018 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #include "../PrecompiledHeaders.h"
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35 #include "SetOfCommandsJob.h"
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36
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37 #include "../Logging.h"
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38 #include "../OrthancException.h"
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39 #include "../SerializationToolbox.h"
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40
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41 #include <cassert>
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42
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43 namespace Orthanc
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44 {
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45 SetOfCommandsJob::SetOfCommandsJob() :
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46 started_(false),
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47 permissive_(false),
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48 position_(0)
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49 {
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50 }
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51
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52
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53 SetOfCommandsJob::~SetOfCommandsJob()
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54 {
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55 for (size_t i = 0; i < commands_.size(); i++)
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56 {
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57 assert(commands_[i] != NULL);
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58 delete commands_[i];
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59 }
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60 }
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61
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62
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63 void SetOfCommandsJob::Reserve(size_t size)
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64 {
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65 if (started_)
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66 {
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67 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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68 }
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69 else
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70 {
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71 commands_.reserve(size);
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72 }
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73 }
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74
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75
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76 void SetOfCommandsJob::AddCommand(ICommand* command)
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77 {
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78 if (command == NULL)
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79 {
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80 throw OrthancException(ErrorCode_NullPointer);
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81 }
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82 else if (started_)
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83 {
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84 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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85 }
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86 else
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87 {
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88 commands_.push_back(command);
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89 }
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90 }
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91
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92
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93 void SetOfCommandsJob::SetPermissive(bool permissive)
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94 {
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95 if (started_)
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96 {
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97 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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98 }
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99 else
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100 {
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101 permissive_ = permissive;
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102 }
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103 }
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104
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105
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106 void SetOfCommandsJob::Reset()
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107 {
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108 if (started_)
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109 {
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110 position_ = 0;
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111 }
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112 else
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113 {
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114 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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115 }
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116 }
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117
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118
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119 float SetOfCommandsJob::GetProgress()
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120 {
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121 if (commands_.empty())
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122 {
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123 return 1;
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124 }
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125 else
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126 {
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127 return (static_cast<float>(position_) /
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128 static_cast<float>(commands_.size()));
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129 }
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130 }
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131
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132
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133 const SetOfCommandsJob::ICommand& SetOfCommandsJob::GetCommand(size_t index) const
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134 {
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135 if (index >= commands_.size())
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136 {
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137 throw OrthancException(ErrorCode_ParameterOutOfRange);
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138 }
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139 else
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140 {
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141 assert(commands_[index] != NULL);
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142 return *commands_[index];
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143 }
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144 }
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145
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146
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147 JobStepResult SetOfCommandsJob::Step()
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148 {
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149 if (!started_)
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150 {
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151 throw OrthancException(ErrorCode_InternalError);
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152 }
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153
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154 if (commands_.empty() &&
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155 position_ == 0)
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156 {
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157 // No command to handle: We're done
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158 position_ = 1;
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159 return JobStepResult::Success();
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160 }
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161
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162 if (position_ >= commands_.size())
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163 {
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164 // Already done
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165 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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166 }
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167
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168 try
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169 {
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170 // Not at the trailing step: Handle the current command
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171 if (!commands_[position_]->Execute())
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172 {
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173 // Error
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174 if (!permissive_)
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175 {
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176 return JobStepResult::Failure(ErrorCode_InternalError);
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177 }
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178 }
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179 }
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180 catch (OrthancException& e)
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181 {
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182 if (permissive_)
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183 {
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184 LOG(WARNING) << "Ignoring an error in a permissive job: " << e.What();
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185 }
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186 else
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187 {
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188 return JobStepResult::Failure(e.GetErrorCode());
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189 }
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190 }
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191
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192 position_ += 1;
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193
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194 if (position_ == commands_.size())
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195 {
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196 // We're done
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197 return JobStepResult::Success();
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198 }
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199 else
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200 {
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201 return JobStepResult::Continue();
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202 }
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203 }
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204
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205
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206
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207 static const char* KEY_DESCRIPTION = "Description";
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208 static const char* KEY_PERMISSIVE = "Permissive";
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209 static const char* KEY_POSITION = "Position";
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210 static const char* KEY_TYPE = "Type";
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211 static const char* KEY_COMMANDS = "Commands";
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212
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213
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214 void SetOfCommandsJob::GetPublicContent(Json::Value& value)
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215 {
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216 value[KEY_DESCRIPTION] = GetDescription();
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217 }
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218
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219
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220 bool SetOfCommandsJob::Serialize(Json::Value& target)
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221 {
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222 target = Json::objectValue;
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223
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224 std::string type;
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225 GetJobType(type);
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226 target[KEY_TYPE] = type;
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227
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228 target[KEY_PERMISSIVE] = permissive_;
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229 target[KEY_POSITION] = static_cast<unsigned int>(position_);
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230 target[KEY_DESCRIPTION] = description_;
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231
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232 target[KEY_COMMANDS] = Json::arrayValue;
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233 Json::Value& tmp = target[KEY_COMMANDS];
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234
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235 for (size_t i = 0; i < commands_.size(); i++)
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236 {
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237 assert(commands_[i] != NULL);
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238
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239 Json::Value command;
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240 commands_[i]->Serialize(command);
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241 tmp.append(command);
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242 }
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243
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244 return true;
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245 }
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246
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247
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248 SetOfCommandsJob::SetOfCommandsJob(ICommandUnserializer* unserializer,
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249 const Json::Value& source) :
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250 started_(false)
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251 {
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252 std::auto_ptr<ICommandUnserializer> raii(unserializer);
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253
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254 permissive_ = SerializationToolbox::ReadBoolean(source, KEY_PERMISSIVE);
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255 position_ = SerializationToolbox::ReadUnsignedInteger(source, KEY_POSITION);
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256 description_ = SerializationToolbox::ReadString(source, KEY_DESCRIPTION);
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257
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258 if (!source.isMember(KEY_COMMANDS) ||
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259 source[KEY_COMMANDS].type() != Json::arrayValue)
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260 {
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261 throw OrthancException(ErrorCode_BadFileFormat);
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262 }
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263 else
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264 {
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265 const Json::Value& tmp = source[KEY_COMMANDS];
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266 commands_.resize(tmp.size());
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267
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268 for (Json::Value::ArrayIndex i = 0; i < tmp.size(); i++)
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269 {
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270 try
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271 {
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272 commands_[i] = unserializer->Unserialize(tmp[i]);
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273 }
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274 catch (OrthancException&)
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275 {
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276 }
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277
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278 if (commands_[i] == NULL)
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279 {
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280 for (size_t j = 0; j < i; j++)
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281 {
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282 delete commands_[j];
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283 }
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284
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285 throw OrthancException(ErrorCode_BadFileFormat);
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286 }
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287 }
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288 }
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289
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290 if (commands_.empty())
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291 {
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292 if (position_ > 1)
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293 {
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294 throw OrthancException(ErrorCode_BadFileFormat);
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295 }
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296 }
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297 else if (position_ > commands_.size())
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298 {
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299 throw OrthancException(ErrorCode_BadFileFormat);
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300 }
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301 }
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302 }
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