Mercurial > hg > orthanc-stone
annotate Resources/Orthanc/Core/FileStorage/StorageAccessor.cpp @ 200:03afbee0cc7b
integration of Orthanc core into Stone
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 23 Mar 2018 11:04:03 +0100 |
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children | 795d71f66f31 |
rev | line source |
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200
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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 "StorageAccessor.h" |
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36 |
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37 #include "../Compression/ZlibCompressor.h" |
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38 #include "../OrthancException.h" |
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39 #include "../Toolbox.h" |
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40 #include "../SystemToolbox.h" |
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41 |
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42 #if ORTHANC_ENABLE_CIVETWEB == 1 || ORTHANC_ENABLE_MONGOOSE == 1 |
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43 # include "../HttpServer/HttpStreamTranscoder.h" |
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44 #endif |
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45 |
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46 namespace Orthanc |
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47 { |
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48 FileInfo StorageAccessor::Write(const void* data, |
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49 size_t size, |
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50 FileContentType type, |
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51 CompressionType compression, |
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52 bool storeMd5) |
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53 { |
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54 std::string uuid = SystemToolbox::GenerateUuid(); |
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55 |
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56 std::string md5; |
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57 |
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58 if (storeMd5) |
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59 { |
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60 Toolbox::ComputeMD5(md5, data, size); |
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61 } |
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62 |
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63 switch (compression) |
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64 { |
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65 case CompressionType_None: |
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66 { |
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67 area_.Create(uuid, data, size, type); |
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68 return FileInfo(uuid, type, size, md5); |
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69 } |
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70 |
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71 case CompressionType_ZlibWithSize: |
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72 { |
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73 ZlibCompressor zlib; |
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74 |
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75 std::string compressed; |
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76 zlib.Compress(compressed, data, size); |
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77 |
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78 std::string compressedMD5; |
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79 |
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80 if (storeMd5) |
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81 { |
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82 Toolbox::ComputeMD5(compressedMD5, compressed); |
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83 } |
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84 |
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85 if (compressed.size() > 0) |
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86 { |
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87 area_.Create(uuid, &compressed[0], compressed.size(), type); |
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88 } |
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89 else |
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90 { |
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91 area_.Create(uuid, NULL, 0, type); |
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92 } |
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93 |
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94 return FileInfo(uuid, type, size, md5, |
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95 CompressionType_ZlibWithSize, compressed.size(), compressedMD5); |
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96 } |
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97 |
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98 default: |
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99 throw OrthancException(ErrorCode_NotImplemented); |
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100 } |
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101 } |
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102 |
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103 |
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104 void StorageAccessor::Read(std::string& content, |
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105 const FileInfo& info) |
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106 { |
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107 switch (info.GetCompressionType()) |
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108 { |
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109 case CompressionType_None: |
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110 { |
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111 area_.Read(content, info.GetUuid(), info.GetContentType()); |
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112 break; |
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113 } |
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114 |
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115 case CompressionType_ZlibWithSize: |
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116 { |
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117 ZlibCompressor zlib; |
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118 |
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119 std::string compressed; |
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120 area_.Read(compressed, info.GetUuid(), info.GetContentType()); |
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121 IBufferCompressor::Uncompress(content, zlib, compressed); |
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122 break; |
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123 } |
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124 |
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125 default: |
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126 { |
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127 throw OrthancException(ErrorCode_NotImplemented); |
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128 } |
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129 } |
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130 |
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131 // TODO Check the validity of the uncompressed MD5? |
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132 } |
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133 |
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134 |
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135 void StorageAccessor::Read(Json::Value& content, |
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136 const FileInfo& info) |
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137 { |
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138 std::string s; |
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139 Read(s, info); |
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140 |
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141 Json::Reader reader; |
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142 if (!reader.parse(s, content)) |
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143 { |
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144 throw OrthancException(ErrorCode_BadFileFormat); |
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145 } |
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146 } |
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147 |
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148 |
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149 #if ORTHANC_ENABLE_CIVETWEB == 1 || ORTHANC_ENABLE_MONGOOSE == 1 |
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150 void StorageAccessor::SetupSender(BufferHttpSender& sender, |
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151 const FileInfo& info, |
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152 const std::string& mime) |
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153 { |
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154 area_.Read(sender.GetBuffer(), info.GetUuid(), info.GetContentType()); |
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155 sender.SetContentType(mime); |
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156 |
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157 const char* extension; |
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158 switch (info.GetContentType()) |
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159 { |
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160 case FileContentType_Dicom: |
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161 extension = ".dcm"; |
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162 break; |
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163 |
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164 case FileContentType_DicomAsJson: |
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165 extension = ".json"; |
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166 break; |
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167 |
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168 default: |
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169 // Non-standard content type |
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170 extension = ""; |
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171 } |
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172 |
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173 sender.SetContentFilename(info.GetUuid() + std::string(extension)); |
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174 } |
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175 #endif |
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176 |
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177 |
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178 #if ORTHANC_ENABLE_CIVETWEB == 1 || ORTHANC_ENABLE_MONGOOSE == 1 |
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179 void StorageAccessor::AnswerFile(HttpOutput& output, |
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180 const FileInfo& info, |
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181 const std::string& mime) |
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182 { |
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183 BufferHttpSender sender; |
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184 SetupSender(sender, info, mime); |
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185 |
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186 HttpStreamTranscoder transcoder(sender, info.GetCompressionType()); |
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187 output.Answer(transcoder); |
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188 } |
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189 #endif |
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190 |
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191 |
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192 #if ORTHANC_ENABLE_CIVETWEB == 1 || ORTHANC_ENABLE_MONGOOSE == 1 |
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193 void StorageAccessor::AnswerFile(RestApiOutput& output, |
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194 const FileInfo& info, |
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195 const std::string& mime) |
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196 { |
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197 BufferHttpSender sender; |
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198 SetupSender(sender, info, mime); |
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199 |
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200 HttpStreamTranscoder transcoder(sender, info.GetCompressionType()); |
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201 output.AnswerStream(transcoder); |
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202 } |
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203 #endif |
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204 } |