|
78
|
1 /**
|
|
|
2 * Orthanc - A Lightweight, RESTful DICOM Store
|
|
122
|
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
|
|
78
|
4 * Department, University Hospital of Liege, Belgium
|
|
175
|
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
|
|
78
|
6 *
|
|
|
7 * This program is free software: you can redistribute it and/or
|
|
|
8 * modify it under the terms of the GNU General Public License as
|
|
|
9 * published by the Free Software Foundation, either version 3 of the
|
|
|
10 * License, or (at your option) any later version.
|
|
|
11 *
|
|
|
12 * In addition, as a special exception, the copyright holders of this
|
|
|
13 * program give permission to link the code of its release with the
|
|
|
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
|
|
|
15 * that use the same license as the "OpenSSL" library), and distribute
|
|
|
16 * the linked executables. You must obey the GNU General Public License
|
|
|
17 * in all respects for all of the code used other than "OpenSSL". If you
|
|
|
18 * modify file(s) with this exception, you may extend this exception to
|
|
|
19 * your version of the file(s), but you are not obligated to do so. If
|
|
|
20 * you do not wish to do so, delete this exception statement from your
|
|
|
21 * version. If you delete this exception statement from all source files
|
|
|
22 * in the program, then also delete it here.
|
|
|
23 *
|
|
|
24 * This program is distributed in the hope that it will be useful, but
|
|
|
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
27 * General Public License for more details.
|
|
|
28 *
|
|
|
29 * You should have received a copy of the GNU General Public License
|
|
|
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
31 **/
|
|
|
32
|
|
|
33
|
|
|
34 #include "../PrecompiledHeaders.h"
|
|
|
35 #include "FilesystemStorage.h"
|
|
|
36
|
|
|
37 // http://stackoverflow.com/questions/1576272/storing-large-number-of-files-in-file-system
|
|
|
38 // http://stackoverflow.com/questions/446358/storing-a-large-number-of-images
|
|
|
39
|
|
|
40 #include "../Logging.h"
|
|
|
41 #include "../OrthancException.h"
|
|
|
42 #include "../Toolbox.h"
|
|
150
|
43 #include "../SystemToolbox.h"
|
|
78
|
44
|
|
|
45 #include <boost/filesystem/fstream.hpp>
|
|
|
46
|
|
|
47
|
|
|
48 static std::string ToString(const boost::filesystem::path& p)
|
|
|
49 {
|
|
|
50 #if BOOST_HAS_FILESYSTEM_V3 == 1
|
|
|
51 return p.filename().string();
|
|
|
52 #else
|
|
|
53 return p.filename();
|
|
|
54 #endif
|
|
|
55 }
|
|
|
56
|
|
|
57
|
|
|
58 namespace Orthanc
|
|
|
59 {
|
|
|
60 boost::filesystem::path FilesystemStorage::GetPath(const std::string& uuid) const
|
|
|
61 {
|
|
|
62 namespace fs = boost::filesystem;
|
|
|
63
|
|
|
64 if (!Toolbox::IsUuid(uuid))
|
|
|
65 {
|
|
|
66 throw OrthancException(ErrorCode_ParameterOutOfRange);
|
|
|
67 }
|
|
|
68
|
|
|
69 fs::path path = root_;
|
|
|
70
|
|
|
71 path /= std::string(&uuid[0], &uuid[2]);
|
|
|
72 path /= std::string(&uuid[2], &uuid[4]);
|
|
|
73 path /= uuid;
|
|
|
74
|
|
|
75 #if BOOST_HAS_FILESYSTEM_V3 == 1
|
|
|
76 path.make_preferred();
|
|
|
77 #endif
|
|
|
78
|
|
|
79 return path;
|
|
|
80 }
|
|
|
81
|
|
|
82 FilesystemStorage::FilesystemStorage(std::string root)
|
|
|
83 {
|
|
|
84 //root_ = boost::filesystem::absolute(root).string();
|
|
|
85 root_ = root;
|
|
|
86
|
|
150
|
87 SystemToolbox::MakeDirectory(root);
|
|
78
|
88 }
|
|
|
89
|
|
145
|
90
|
|
|
91
|
|
|
92 static const char* GetDescriptionInternal(FileContentType content)
|
|
|
93 {
|
|
|
94 // This function is for logging only (internal use), a more
|
|
|
95 // fully-featured version is available in ServerEnumerations.cpp
|
|
|
96 switch (content)
|
|
|
97 {
|
|
|
98 case FileContentType_Unknown:
|
|
|
99 return "Unknown";
|
|
|
100
|
|
|
101 case FileContentType_Dicom:
|
|
|
102 return "DICOM";
|
|
|
103
|
|
|
104 case FileContentType_DicomAsJson:
|
|
|
105 return "JSON summary of DICOM";
|
|
|
106
|
|
|
107 default:
|
|
|
108 return "User-defined";
|
|
|
109 }
|
|
|
110 }
|
|
|
111
|
|
|
112
|
|
78
|
113 void FilesystemStorage::Create(const std::string& uuid,
|
|
|
114 const void* content,
|
|
|
115 size_t size,
|
|
145
|
116 FileContentType type)
|
|
78
|
117 {
|
|
145
|
118 LOG(INFO) << "Creating attachment \"" << uuid << "\" of \"" << GetDescriptionInternal(type)
|
|
|
119 << "\" type (size: " << (size / (1024 * 1024) + 1) << "MB)";
|
|
|
120
|
|
78
|
121 boost::filesystem::path path;
|
|
|
122
|
|
|
123 path = GetPath(uuid);
|
|
|
124
|
|
|
125 if (boost::filesystem::exists(path))
|
|
|
126 {
|
|
|
127 // Extremely unlikely case: This Uuid has already been created
|
|
|
128 // in the past.
|
|
|
129 throw OrthancException(ErrorCode_InternalError);
|
|
|
130 }
|
|
|
131
|
|
|
132 if (boost::filesystem::exists(path.parent_path()))
|
|
|
133 {
|
|
|
134 if (!boost::filesystem::is_directory(path.parent_path()))
|
|
|
135 {
|
|
|
136 throw OrthancException(ErrorCode_DirectoryOverFile);
|
|
|
137 }
|
|
|
138 }
|
|
|
139 else
|
|
|
140 {
|
|
|
141 if (!boost::filesystem::create_directories(path.parent_path()))
|
|
|
142 {
|
|
|
143 throw OrthancException(ErrorCode_FileStorageCannotWrite);
|
|
|
144 }
|
|
|
145 }
|
|
|
146
|
|
150
|
147 SystemToolbox::WriteFile(content, size, path.string());
|
|
78
|
148 }
|
|
|
149
|
|
|
150
|
|
|
151 void FilesystemStorage::Read(std::string& content,
|
|
|
152 const std::string& uuid,
|
|
145
|
153 FileContentType type)
|
|
78
|
154 {
|
|
145
|
155 LOG(INFO) << "Reading attachment \"" << uuid << "\" of \"" << GetDescriptionInternal(type)
|
|
|
156 << "\" content type";
|
|
|
157
|
|
78
|
158 content.clear();
|
|
150
|
159 SystemToolbox::ReadFile(content, GetPath(uuid).string());
|
|
78
|
160 }
|
|
|
161
|
|
|
162
|
|
|
163 uintmax_t FilesystemStorage::GetSize(const std::string& uuid) const
|
|
|
164 {
|
|
|
165 boost::filesystem::path path = GetPath(uuid);
|
|
|
166 return boost::filesystem::file_size(path);
|
|
|
167 }
|
|
|
168
|
|
|
169
|
|
|
170
|
|
|
171 void FilesystemStorage::ListAllFiles(std::set<std::string>& result) const
|
|
|
172 {
|
|
|
173 namespace fs = boost::filesystem;
|
|
|
174
|
|
|
175 result.clear();
|
|
|
176
|
|
|
177 if (fs::exists(root_) && fs::is_directory(root_))
|
|
|
178 {
|
|
|
179 for (fs::recursive_directory_iterator current(root_), end; current != end ; ++current)
|
|
|
180 {
|
|
150
|
181 if (SystemToolbox::IsRegularFile(current->path().string()))
|
|
78
|
182 {
|
|
|
183 try
|
|
|
184 {
|
|
|
185 fs::path d = current->path();
|
|
|
186 std::string uuid = ToString(d);
|
|
|
187 if (Toolbox::IsUuid(uuid))
|
|
|
188 {
|
|
|
189 fs::path p0 = d.parent_path().parent_path().parent_path();
|
|
|
190 std::string p1 = ToString(d.parent_path().parent_path());
|
|
|
191 std::string p2 = ToString(d.parent_path());
|
|
|
192 if (p1.length() == 2 &&
|
|
|
193 p2.length() == 2 &&
|
|
|
194 p1 == uuid.substr(0, 2) &&
|
|
|
195 p2 == uuid.substr(2, 2) &&
|
|
|
196 p0 == root_)
|
|
|
197 {
|
|
|
198 result.insert(uuid);
|
|
|
199 }
|
|
|
200 }
|
|
|
201 }
|
|
|
202 catch (fs::filesystem_error)
|
|
|
203 {
|
|
|
204 }
|
|
|
205 }
|
|
|
206 }
|
|
|
207 }
|
|
|
208 }
|
|
|
209
|
|
|
210
|
|
|
211 void FilesystemStorage::Clear()
|
|
|
212 {
|
|
|
213 namespace fs = boost::filesystem;
|
|
|
214 typedef std::set<std::string> List;
|
|
|
215
|
|
|
216 List result;
|
|
|
217 ListAllFiles(result);
|
|
|
218
|
|
|
219 for (List::const_iterator it = result.begin(); it != result.end(); ++it)
|
|
|
220 {
|
|
|
221 Remove(*it, FileContentType_Unknown /*ignored in this class*/);
|
|
|
222 }
|
|
|
223 }
|
|
|
224
|
|
|
225
|
|
|
226 void FilesystemStorage::Remove(const std::string& uuid,
|
|
145
|
227 FileContentType type)
|
|
78
|
228 {
|
|
145
|
229 LOG(INFO) << "Deleting attachment \"" << uuid << "\" of type " << static_cast<int>(type);
|
|
78
|
230
|
|
|
231 namespace fs = boost::filesystem;
|
|
|
232
|
|
|
233 fs::path p = GetPath(uuid);
|
|
|
234
|
|
|
235 try
|
|
|
236 {
|
|
|
237 fs::remove(p);
|
|
|
238 }
|
|
|
239 catch (...)
|
|
|
240 {
|
|
|
241 // Ignore the error
|
|
|
242 }
|
|
|
243
|
|
|
244 // Remove the two parent directories, ignoring the error code if
|
|
|
245 // these directories are not empty
|
|
|
246
|
|
|
247 try
|
|
|
248 {
|
|
|
249 #if BOOST_HAS_FILESYSTEM_V3 == 1
|
|
|
250 boost::system::error_code err;
|
|
|
251 fs::remove(p.parent_path(), err);
|
|
|
252 fs::remove(p.parent_path().parent_path(), err);
|
|
|
253 #else
|
|
|
254 fs::remove(p.parent_path());
|
|
|
255 fs::remove(p.parent_path().parent_path());
|
|
|
256 #endif
|
|
|
257 }
|
|
|
258 catch (...)
|
|
|
259 {
|
|
|
260 // Ignore the error
|
|
|
261 }
|
|
|
262 }
|
|
|
263
|
|
|
264
|
|
|
265 uintmax_t FilesystemStorage::GetCapacity() const
|
|
|
266 {
|
|
|
267 return boost::filesystem::space(root_).capacity;
|
|
|
268 }
|
|
|
269
|
|
|
270 uintmax_t FilesystemStorage::GetAvailableSpace() const
|
|
|
271 {
|
|
|
272 return boost::filesystem::space(root_).available;
|
|
|
273 }
|
|
|
274 }
|
