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annotate OrthancServer/LuaScripting.cpp @ 1445:d26c8a93d05a

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refactoring: SimpleGet
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 01 Jul 2015 12:30:19 +0200
parents b2b09a3dbd8e
children 5ba7471780ae
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, 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
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33 #include "PrecompiledHeadersServer.h"
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34 #include "LuaScripting.h"
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35
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36 #include "ServerContext.h"
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37 #include "OrthancInitialization.h"
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38 #include "../Core/Lua/LuaFunctionCall.h"
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39 #include "../Core/HttpServer/StringHttpOutput.h"
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40
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41 #include "Scheduler/DeleteInstanceCommand.h"
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42 #include "Scheduler/StoreScuCommand.h"
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43 #include "Scheduler/StorePeerCommand.h"
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44 #include "Scheduler/ModifyInstanceCommand.h"
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45 #include "Scheduler/CallSystemCommand.h"
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46 #include "OrthancRestApi/OrthancRestApi.h"
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47
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48 #include <glog/logging.h>
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49 #include <EmbeddedResources.h>
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50
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51
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52 namespace Orthanc
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53 {
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54 ServerContext* LuaScripting::GetServerContext(lua_State *state)
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55 {
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56 const void* value = LuaContext::GetGlobalVariable(state, "_ServerContext");
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57 return const_cast<ServerContext*>(reinterpret_cast<const ServerContext*>(value));
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58 }
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59
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60
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61 int LuaScripting::RestApiGet(lua_State *state)
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62 {
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63 ServerContext* serverContext = GetServerContext(state);
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64 if (serverContext == NULL)
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65 {
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66 LOG(ERROR) << "Lua: The Orthanc API is unavailable";
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67 lua_pushnil(state);
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68 return 1;
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69 }
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70
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71 // Check the types of the arguments
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72 int nArgs = lua_gettop(state);
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73 if ((nArgs != 1 && nArgs != 2) ||
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74 !lua_isstring(state, 1) || // URI
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75 (nArgs == 2 && !lua_isboolean(state, 2))) // Restrict to built-in API?
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76 {
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77 LOG(ERROR) << "Lua: Bad parameters to RestApiGet()";
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78 lua_pushnil(state);
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79 return 1;
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80 }
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81
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82 const char* uri = lua_tostring(state, 1);
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83 bool builtin = (nArgs == 2 ? lua_toboolean(state, 2) : false);
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84
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85 std::string result;
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86 if (HttpToolbox::SimpleGet(result, serverContext->GetHttpHandler().RestrictToOrthancRestApi(builtin), uri))
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87 {
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88 lua_pushstring(state, result.c_str());
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89 }
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90 else
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91 {
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92 LOG(ERROR) << "Lua: Error in RestApiGet() for URI " << uri;
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93 lua_pushnil(state);
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94 }
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95
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96 return 1;
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97 }
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98
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99
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100 IServerCommand* LuaScripting::ParseOperation(const std::string& operation,
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101 const Json::Value& parameters)
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102 {
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103 if (operation == "delete")
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104 {
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105 LOG(INFO) << "Lua script to delete resource " << parameters["Resource"].asString();
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106 return new DeleteInstanceCommand(context_);
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107 }
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108
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109 if (operation == "store-scu")
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110 {
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111 std::string localAet;
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112 if (parameters.isMember("LocalAet"))
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113 {
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114 localAet = parameters["LocalAet"].asString();
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115 }
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116 else
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117 {
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118 localAet = context_.GetDefaultLocalApplicationEntityTitle();
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119 }
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120
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121 std::string modality = parameters["Modality"].asString();
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122 LOG(INFO) << "Lua script to send resource " << parameters["Resource"].asString()
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123 << " to modality " << modality << " using Store-SCU";
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124 return new StoreScuCommand(context_, localAet,
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125 Configuration::GetModalityUsingSymbolicName(modality), true);
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126 }
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127
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128 if (operation == "store-peer")
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129 {
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130 std::string peer = parameters["Peer"].asString();
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131 LOG(INFO) << "Lua script to send resource " << parameters["Resource"].asString()
1433
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132 << " to peer " << peer << " using HTTP";
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diff changeset
133
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diff changeset
134 OrthancPeerParameters parameters;
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diff changeset
135 Configuration::GetOrthancPeer(parameters, peer);
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diff changeset
136 return new StorePeerCommand(context_, parameters, true);
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
137 }
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parents:
diff changeset
138
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diff changeset
139 if (operation == "modify")
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
140 {
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diff changeset
141 LOG(INFO) << "Lua script to modify resource " << parameters["Resource"].asString();
1433
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diff changeset
142 DicomModification modification;
461e7554bff7 refactoring: LuaScripting
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diff changeset
143 OrthancRestApi::ParseModifyRequest(modification, parameters);
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parents:
diff changeset
144
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diff changeset
145 std::auto_ptr<ModifyInstanceCommand> command(new ModifyInstanceCommand(context_, modification));
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diff changeset
146 return command.release();
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diff changeset
147 }
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diff changeset
148
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diff changeset
149 if (operation == "call-system")
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diff changeset
150 {
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diff changeset
151 LOG(INFO) << "Lua script to call system command on " << parameters["Resource"].asString();
1433
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152
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diff changeset
153 const Json::Value& argsIn = parameters["Arguments"];
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154 if (argsIn.type() != Json::arrayValue)
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155 {
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156 throw OrthancException(ErrorCode_BadParameterType);
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157 }
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158
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159 std::vector<std::string> args;
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160 args.reserve(argsIn.size());
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161 for (Json::Value::ArrayIndex i = 0; i < argsIn.size(); ++i)
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162 {
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163 // http://jsoncpp.sourceforge.net/namespace_json.html#7d654b75c16a57007925868e38212b4e
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164 switch (argsIn[i].type())
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165 {
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166 case Json::stringValue:
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167 args.push_back(argsIn[i].asString());
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168 break;
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169
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170 case Json::intValue:
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171 args.push_back(boost::lexical_cast<std::string>(argsIn[i].asInt()));
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172 break;
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173
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174 case Json::uintValue:
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175 args.push_back(boost::lexical_cast<std::string>(argsIn[i].asUInt()));
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176 break;
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177
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178 case Json::realValue:
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diff changeset
179 args.push_back(boost::lexical_cast<std::string>(argsIn[i].asFloat()));
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180 break;
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181
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182 default:
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183 throw OrthancException(ErrorCode_BadParameterType);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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184 }
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parents:
diff changeset
185 }
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parents:
diff changeset
186
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diff changeset
187 return new CallSystemCommand(context_, parameters["Command"].asString(), args);
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diff changeset
188 }
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parents:
diff changeset
189
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diff changeset
190 throw OrthancException(ErrorCode_ParameterOutOfRange);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
191 }
461e7554bff7 refactoring: LuaScripting
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parents:
diff changeset
192
461e7554bff7 refactoring: LuaScripting
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diff changeset
193
1435
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194 void LuaScripting::InitializeJob()
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195 {
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diff changeset
196 lua_.Execute("_InitializeJob()");
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
197 }
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diff changeset
198
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diff changeset
199
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diff changeset
200 void LuaScripting::SubmitJob(const std::string& description)
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diff changeset
201 {
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diff changeset
202 Json::Value operations;
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diff changeset
203 LuaFunctionCall call2(lua_, "_AccessJob");
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diff changeset
204 call2.ExecuteToJson(operations);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
205
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diff changeset
206 if (operations.type() != Json::arrayValue)
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
207 {
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diff changeset
208 throw OrthancException(ErrorCode_InternalError);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
209 }
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diff changeset
210
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diff changeset
211 ServerJob job;
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
212 ServerCommandInstance* previousCommand = NULL;
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
213
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parents: 1433
diff changeset
214 for (Json::Value::ArrayIndex i = 0; i < operations.size(); ++i)
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
215 {
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
216 if (operations[i].type() != Json::objectValue ||
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
217 !operations[i].isMember("Operation"))
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
218 {
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
219 throw OrthancException(ErrorCode_InternalError);
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
220 }
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
221
6406f5493d92 refactoring: Lua toolbox
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diff changeset
222 const Json::Value& parameters = operations[i];
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
223 std::string operation = parameters["Operation"].asString();
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
224
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
225 ServerCommandInstance& command = job.AddCommand(ParseOperation(operation, operations[i]));
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
226
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
227 if (!parameters.isMember("Resource"))
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
228 {
6406f5493d92 refactoring: Lua toolbox
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diff changeset
229 throw OrthancException(ErrorCode_InternalError);
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
230 }
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
231
6406f5493d92 refactoring: Lua toolbox
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parents: 1433
diff changeset
232 std::string resource = parameters["Resource"].asString();
6406f5493d92 refactoring: Lua toolbox
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parents: 1433
diff changeset
233 if (resource.empty())
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
234 {
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
235 previousCommand->ConnectOutput(command);
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
236 }
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
237 else
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
238 {
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
239 command.AddInput(resource);
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
240 }
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
241
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
242 previousCommand = &command;
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
243 }
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
244
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
245 job.SetDescription(description);
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
246 context_.GetScheduler().Submit(job);
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
247 }
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
248
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
249
1444
b2b09a3dbd8e refactoring: OrthancHttpHandler inside OrthancServer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1441
diff changeset
250 LuaScripting::LuaScripting(ServerContext& context) : context_(context)
1433
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
251 {
1444
b2b09a3dbd8e refactoring: OrthancHttpHandler inside OrthancServer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1441
diff changeset
252 lua_.SetGlobalVariable("_ServerContext", &context);
b2b09a3dbd8e refactoring: OrthancHttpHandler inside OrthancServer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1441
diff changeset
253 lua_.RegisterFunction("RestApiGet", RestApiGet);
1437
02f5a3f5c0a0 access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1436
diff changeset
254
1433
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
255 lua_.Execute(Orthanc::EmbeddedResources::LUA_TOOLBOX);
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
256 lua_.SetHttpProxy(Configuration::GetGlobalStringParameter("HttpProxy", ""));
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
257 }
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
258
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
259
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
260 void LuaScripting::ApplyOnStoredInstance(const std::string& instanceId,
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
261 const Json::Value& simplifiedTags,
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 const Json::Value& metadata,
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
263 const std::string& remoteAet,
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
264 const std::string& calledAet)
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
265 {
1435
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parents: 1433
diff changeset
266 static const char* NAME = "OnStoredInstance";
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
267
6406f5493d92 refactoring: Lua toolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1433
diff changeset
268 if (lua_.IsExistingFunction(NAME))
1433
461e7554bff7 refactoring: LuaScripting
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
269 {
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270 InitializeJob();
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271
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272 LuaFunctionCall call(lua_, NAME);
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273 call.PushString(instanceId);
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274 call.PushJson(simplifiedTags);
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275 call.PushJson(metadata);
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276 call.PushJson(remoteAet);
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277 call.PushJson(calledAet);
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278 call.Execute();
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279
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280 SubmitJob(std::string("Lua script: ") + NAME);
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281 }
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282 }
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283
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284
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285 void LuaScripting::SignalStoredInstance(const std::string& publicId,
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286 DicomInstanceToStore& instance,
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287 const Json::Value& simplifiedTags)
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288 {
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289 boost::mutex::scoped_lock lock(mutex_);
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290
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291 Json::Value metadata = Json::objectValue;
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292
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293 for (ServerIndex::MetadataMap::const_iterator
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294 it = instance.GetMetadata().begin();
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295 it != instance.GetMetadata().end(); ++it)
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296 {
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297 if (it->first.first == ResourceType_Instance)
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298 {
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299 metadata[EnumerationToString(it->first.second)] = it->second;
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300 }
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301 }
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302
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303 ApplyOnStoredInstance(publicId, simplifiedTags, metadata,
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304 instance.GetRemoteAet(), instance.GetCalledAet());
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305 }
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306
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307
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308
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309 void LuaScripting::OnStableResource(const ServerIndexChange& change)
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310 {
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311 const char* name;
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312
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313 switch (change.GetChangeType())
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314 {
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315 case ChangeType_StablePatient:
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316 name = "OnStablePatient";
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317 break;
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318
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319 case ChangeType_StableStudy:
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320 name = "OnStableStudy";
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321 break;
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322
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323 case ChangeType_StableSeries:
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324 name = "OnStableSeries";
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325 break;
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326
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327 default:
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328 throw OrthancException(ErrorCode_InternalError);
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329 }
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330
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331
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332 Json::Value tags;
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333 if (context_.GetIndex().LookupResource(tags, change.GetPublicId(), change.GetResourceType()))
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334 {
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335 boost::mutex::scoped_lock lock(mutex_);
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336
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337 if (lua_.IsExistingFunction(name))
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338 {
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339 InitializeJob();
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340
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341 LuaFunctionCall call(lua_, name);
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342 call.PushString(change.GetPublicId());
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343 call.PushJson(tags["MainDicomTags"]);
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344 call.Execute();
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345
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346 SubmitJob(std::string("Lua script: ") + name);
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347 }
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348 }
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349 }
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350
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351
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352
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353 void LuaScripting::SignalChange(const ServerIndexChange& change)
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354 {
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355 if (change.GetChangeType() == ChangeType_StablePatient ||
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356 change.GetChangeType() == ChangeType_StableStudy ||
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357 change.GetChangeType() == ChangeType_StableSeries)
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358 {
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359 OnStableResource(change);
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360 }
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361 }
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362
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363
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364 bool LuaScripting::FilterIncomingInstance(const Json::Value& simplified,
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365 const std::string& remoteAet)
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366 {
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367 static const char* NAME = "ReceivedInstanceFilter";
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368
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369 boost::mutex::scoped_lock lock(mutex_);
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370
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371 if (lua_.IsExistingFunction(NAME))
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372 {
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373 LuaFunctionCall call(lua_, NAME);
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374 call.PushJson(simplified);
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375 call.PushString(remoteAet);
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376
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377 if (!call.ExecutePredicate())
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378 {
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379 return false;
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380 }
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381 }
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382
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383 return true;
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384 }
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385 }