Mercurial > hg > orthanc
annotate OrthancServer/ServerContext.cpp @ 232:5368bbe813cf
refactoring of attachments
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 30 Nov 2012 14:22:27 +0100 |
parents | 209ca3f6db62 |
children | c11273198cef |
rev | line source |
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224 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, | |
4 * Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #include "ServerContext.h" | |
34 | |
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35 #include "../Core/HttpServer/FilesystemHttpSender.h" |
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36 |
224 | 37 #include <glog/logging.h> |
38 | |
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39 |
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40 /** |
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41 * IMPORTANT: We make the assumption that the same instance of |
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42 * FileStorage can be accessed from multiple threads. This seems OK |
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43 * since the filesystem implements the required locking mechanisms, |
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44 * but maybe a read-writer lock on the "FileStorage" could be |
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45 * useful. Conversely, "ServerIndex" already implements mutex-based |
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46 * locking. |
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47 **/ |
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48 |
224 | 49 namespace Orthanc |
50 { | |
51 ServerContext::ServerContext(const boost::filesystem::path& path) : | |
52 storage_(path.string()), | |
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53 index_(*this, path.string()), |
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54 accessor_(storage_) |
224 | 55 { |
56 } | |
57 | |
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58 void ServerContext::RemoveFile(const std::string& fileUuid) |
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59 { |
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60 storage_.Remove(fileUuid); |
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61 } |
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62 |
224 | 63 StoreStatus ServerContext::Store(const char* dicomFile, |
64 size_t dicomSize, | |
65 const DicomMap& dicomSummary, | |
66 const Json::Value& dicomJson, | |
67 const std::string& remoteAet) | |
68 { | |
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69 //accessor_.SetCompressionForNextOperations(CompressionType_Zlib); |
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70 |
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71 FileInfo dicomInfo = accessor_.Write(dicomFile, dicomSize, FileType_Dicom); |
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72 FileInfo jsonInfo = accessor_.Write(dicomJson.toStyledString(), FileType_Json); |
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73 |
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74 ServerIndex::Attachments attachments; |
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75 attachments.push_back(dicomInfo); |
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76 attachments.push_back(jsonInfo); |
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77 |
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78 StoreStatus status = index_.Store(dicomSummary, attachments, remoteAet); |
224 | 79 |
80 if (status != StoreStatus_Success) | |
81 { | |
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82 storage_.Remove(dicomInfo.GetUuid()); |
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83 storage_.Remove(jsonInfo.GetUuid()); |
224 | 84 } |
85 | |
86 switch (status) | |
87 { | |
88 case StoreStatus_Success: | |
89 LOG(INFO) << "New instance stored"; | |
90 break; | |
91 | |
92 case StoreStatus_AlreadyStored: | |
93 LOG(INFO) << "Already stored"; | |
94 break; | |
95 | |
96 case StoreStatus_Failure: | |
97 LOG(ERROR) << "Store failure"; | |
98 break; | |
99 } | |
100 | |
101 return status; | |
102 } | |
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103 |
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104 |
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105 void ServerContext::AnswerFile(RestApiOutput& output, |
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106 const std::string& instancePublicId, |
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107 FileType content) |
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108 { |
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109 FileInfo attachment; |
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110 if (index_.LookupAttachment(attachment, instancePublicId, FileType_Dicom)) |
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111 { |
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112 assert(attachment.GetCompressionType() == CompressionType_None); |
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113 assert(attachment.GetFileType() == FileType_Dicom); |
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114 |
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115 FilesystemHttpSender sender(storage_, attachment.GetUuid()); |
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116 sender.SetDownloadFilename(attachment.GetUuid() + ".dcm"); |
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117 sender.SetContentType("application/dicom"); |
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118 output.AnswerFile(sender); |
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119 } |
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120 } |
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121 |
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122 |
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123 void ServerContext::ReadJson(Json::Value& result, |
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124 const std::string& instancePublicId) |
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125 { |
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126 std::string s; |
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127 ReadFile(s, instancePublicId, FileType_Json); |
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128 |
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129 Json::Reader reader; |
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130 if (!reader.parse(s, result)) |
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131 { |
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132 throw OrthancException("Corrupted JSON file"); |
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133 } |
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134 } |
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135 |
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136 |
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137 void ServerContext::ReadFile(std::string& result, |
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138 const std::string& instancePublicId, |
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139 FileType content) |
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140 { |
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141 FileInfo attachment; |
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142 if (!index_.LookupAttachment(attachment, instancePublicId, content)) |
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143 { |
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144 throw OrthancException(ErrorCode_InternalError); |
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145 } |
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146 |
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147 accessor_.SetCompressionForNextOperations(attachment.GetCompressionType()); |
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148 accessor_.Read(result, attachment.GetUuid()); |
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149 } |
224 | 150 } |