annotate OrthancServer/ServerContext.h @ 2017:08ce34cfacad

refactoring
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 13 Jun 2016 15:49:10 +0200
parents b1291df2f780
children 2ecc95a239f7
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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 *
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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 #pragma once
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34
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35 #include "../Core/MultiThreading/SharedMessageQueue.h"
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36 #include "../Core/Cache/MemoryCache.h"
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37 #include "../Core/Cache/SharedArchive.h"
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38 #include "../Core/FileStorage/IStorageArea.h"
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39 #include "../Core/Lua/LuaContext.h"
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40 #include "../Core/RestApi/RestApiOutput.h"
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41 #include "../Plugins/Engine/OrthancPlugins.h"
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42 #include "DicomInstanceToStore.h"
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43 #include "DicomProtocol/ReusableDicomUserConnection.h"
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44 #include "IServerListener.h"
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45 #include "LuaScripting.h"
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46 #include "ParsedDicomFile.h"
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47 #include "Scheduler/ServerScheduler.h"
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48 #include "ServerIndex.h"
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49 #include "OrthancHttpHandler.h"
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50 #include "Search/LookupResource.h"
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51
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52 #include <boost/filesystem.hpp>
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53 #include <boost/thread.hpp>
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54
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55
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56 namespace Orthanc
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57 {
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58 /**
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59 * This class is responsible for maintaining the storage area on the
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60 * filesystem (including compression), as well as the index of the
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61 * DICOM store. It implements the required locking mechanisms.
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62 **/
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63 class ServerContext
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64 {
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65 private:
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66 class DicomCacheProvider : public ICachePageProvider
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67 {
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68 private:
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69 ServerContext& context_;
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70
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71 public:
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72 DicomCacheProvider(ServerContext& context) : context_(context)
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73 {
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74 }
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75
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76 virtual IDynamicObject* Provide(const std::string& id);
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77 };
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78
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79 class ServerListener
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80 {
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81 private:
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82 IServerListener *listener_;
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83 std::string description_;
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84
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85 public:
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86 ServerListener(IServerListener& listener,
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87 const std::string& description) :
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88 listener_(&listener),
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89 description_(description)
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90 {
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91 }
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92
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93 IServerListener& GetListener()
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94 {
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95 return *listener_;
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96 }
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97
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98 const std::string& GetDescription()
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99 {
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100 return description_;
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101 }
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102 };
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103
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104 typedef std::list<ServerListener> ServerListeners;
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105
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106
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107 static void ChangeThread(ServerContext* that);
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108
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109
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110 ServerIndex index_;
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111 IStorageArea& area_;
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112
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113 bool compressionEnabled_;
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114 bool storeMD5_;
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115
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116 DicomCacheProvider provider_;
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117 boost::mutex dicomCacheMutex_;
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118 MemoryCache dicomCache_;
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119 ReusableDicomUserConnection scu_;
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120 ServerScheduler scheduler_;
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121
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122 LuaScripting lua_;
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123
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124 #if ORTHANC_PLUGINS_ENABLED == 1
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125 OrthancPlugins* plugins_;
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126 #endif
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127
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128 ServerListeners listeners_;
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129 boost::recursive_mutex listenersMutex_;
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130
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131 bool done_;
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132 SharedMessageQueue pendingChanges_;
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133 boost::thread changeThread_;
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134
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135 SharedArchive queryRetrieveArchive_;
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136 std::string defaultLocalAet_;
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137 OrthancHttpHandler httpHandler_;
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138
224
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139 public:
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140 class DicomCacheLocker : public boost::noncopyable
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141 {
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142 private:
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143 ServerContext& that_;
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144 ParsedDicomFile *dicom_;
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145 boost::mutex::scoped_lock lock_;
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146
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147 public:
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148 DicomCacheLocker(ServerContext& that,
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149 const std::string& instancePublicId);
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150
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151 ~DicomCacheLocker();
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152
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153 ParsedDicomFile& GetDicom()
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154 {
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155 return *dicom_;
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156 }
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157 };
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158
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159 ServerContext(IDatabaseWrapper& database,
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160 IStorageArea& area);
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161
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162 ~ServerContext();
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163
224
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164 ServerIndex& GetIndex()
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165 {
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166 return index_;
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167 }
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168
236
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169 void SetCompressionEnabled(bool enabled);
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170
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171 bool IsCompressionEnabled() const
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172 {
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173 return compressionEnabled_;
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174 }
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175
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176 void RemoveFile(const std::string& fileUuid,
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177 FileContentType type);
226
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178
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179 bool AddAttachment(const std::string& resourceId,
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180 FileContentType attachmentType,
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181 const void* data,
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182 size_t size);
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183
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184 StoreStatus Store(std::string& resultPublicId,
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185 DicomInstanceToStore& dicom);
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186
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187 void AnswerAttachment(RestApiOutput& output,
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188 const std::string& resourceId,
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189 FileContentType content);
226
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190
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191 void ChangeAttachmentCompression(const std::string& resourceId,
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192 FileContentType attachmentType,
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193 CompressionType compression);
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194
226
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195 void ReadJson(Json::Value& result,
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196 const std::string& instancePublicId);
227
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197
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198 // TODO CACHING MECHANISM AT THIS POINT
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199 void ReadFile(std::string& result,
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200 const std::string& instancePublicId,
697
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201 FileContentType content,
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202 bool uncompressIfNeeded = true);
285
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diff changeset
203
1778
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204 void ReadFile(std::string& result,
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205 const FileInfo& file);
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206
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207 void SetStoreMD5ForAttachments(bool storeMD5);
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208
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209 bool IsStoreMD5ForAttachments() const
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210 {
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211 return storeMD5_;
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212 }
771
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213
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214 ReusableDicomUserConnection& GetReusableDicomUserConnection()
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215 {
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216 return scu_;
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217 }
783
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218
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219 ServerScheduler& GetScheduler()
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220 {
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221 return scheduler_;
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222 }
1066
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223
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224 bool DeleteResource(Json::Value& target,
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225 const std::string& uuid,
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226 ResourceType expectedType);
1189
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227
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228 void SignalChange(const ServerIndexChange& change);
1232
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229
1368
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230 SharedArchive& GetQueryRetrieveArchive()
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231 {
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232 return queryRetrieveArchive_;
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233 }
1427
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diff changeset
234
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235 const std::string& GetDefaultLocalApplicationEntityTitle() const
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236 {
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237 return defaultLocalAet_;
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238 }
1433
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239
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240 LuaScripting& GetLua()
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241 {
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242 return lua_;
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243 }
1434
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diff changeset
244
1444
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245 OrthancHttpHandler& GetHttpHandler()
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246 {
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247 return httpHandler_;
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248 }
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diff changeset
249
1447
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diff changeset
250 void Stop();
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251
1758
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diff changeset
252 bool Apply(std::list<std::string>& result,
1757
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diff changeset
253 const ::Orthanc::LookupResource& lookup,
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diff changeset
254 size_t maxResults);
98abb8d7f905 ServerContext::Apply lookup
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diff changeset
255
1434
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diff changeset
256
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diff changeset
257 /**
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diff changeset
258 * Management of the plugins
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259 **/
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diff changeset
260
1632
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diff changeset
261 #if ORTHANC_PLUGINS_ENABLED == 1
1434
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diff changeset
262 void SetPlugins(OrthancPlugins& plugins);
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diff changeset
263
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diff changeset
264 void ResetPlugins();
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265
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diff changeset
266 const OrthancPlugins& GetPlugins() const;
1741
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diff changeset
267
06addfcd1d4c OrthancStarted and OrthancStopped events in plugins
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diff changeset
268 OrthancPlugins& GetPlugins();
1632
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diff changeset
269 #endif
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diff changeset
270
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f9cd40166269 refactoring of OrthancPlugins, improvement in ServeFolders
Sebastien Jodogne <s.jodogne@gmail.com>
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271 bool HasPlugins() const;
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4eb0c7ce86c9 refactoring for store
Sebastien Jodogne <s.jodogne@gmail.com>
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272 };
4eb0c7ce86c9 refactoring for store
Sebastien Jodogne <s.jodogne@gmail.com>
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273 }