Mercurial > hg > orthanc
annotate OrthancFramework/Sources/TemporaryFile.cpp @ 4299:3f85db78c441
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 05 Nov 2020 18:24:50 +0100 |
parents | 785a2713323e |
children | b30a8de92ad9 |
rev | line source |
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0 | 1 /** |
59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 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) 2017-2020 Osimis S.A., Belgium |
0 | 6 * |
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 Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
136 | 11 * |
0 | 12 * This program is distributed in the hope that it will be useful, but |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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15 * Lesser General Public License for more details. |
0 | 16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
0 | 20 **/ |
21 | |
22 | |
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23 #include "PrecompiledHeaders.h" |
2142 | 24 #include "TemporaryFile.h" |
0 | 25 |
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26 #include "OrthancException.h" |
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27 #include "SystemToolbox.h" |
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28 #include "Toolbox.h" |
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29 |
82 | 30 #include <boost/filesystem.hpp> |
31 | |
59 | 32 namespace Orthanc |
0 | 33 { |
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34 static std::string CreateTemporaryPath(const char* temporaryDirectory, |
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35 const char* extension) |
2140 | 36 { |
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37 boost::filesystem::path dir; |
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38 |
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39 if (temporaryDirectory == NULL) |
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40 { |
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41 #if BOOST_HAS_FILESYSTEM_V3 == 1 |
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42 dir = boost::filesystem::temp_directory_path(); |
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43 #elif defined(__linux__) |
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44 dir = "/tmp"; |
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45 #else |
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46 # error Support your platform here |
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47 #endif |
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48 } |
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49 else |
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50 { |
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51 dir = temporaryDirectory; |
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52 } |
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53 |
2140 | 54 // We use UUID to create unique path to temporary files |
4297 | 55 const std::string uuid = Toolbox::GenerateUuid(); |
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56 |
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57 // New in Orthanc 1.5.8: Prefix the process ID to the name of the |
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58 // temporary files, in order to locate orphan temporary files that |
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59 // were left by instances of Orthanc that exited in non-clean way |
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60 // https://groups.google.com/d/msg/orthanc-users/MSJX53bw6Lw/d3S3lRRLAwAJ |
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61 std::string filename = "Orthanc-" + boost::lexical_cast<std::string>(SystemToolbox::GetProcessId()) + "-" + uuid; |
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62 |
2140 | 63 if (extension != NULL) |
64 { | |
65 filename.append(extension); | |
66 } | |
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67 |
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68 dir /= filename; |
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69 return dir.string(); |
2140 | 70 } |
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71 |
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72 |
2140 | 73 TemporaryFile::TemporaryFile() : |
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74 path_(CreateTemporaryPath(NULL, NULL)) |
2140 | 75 { |
76 } | |
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77 |
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78 |
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79 TemporaryFile::TemporaryFile(const std::string& temporaryDirectory, |
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80 const std::string& extension) : |
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81 path_(CreateTemporaryPath(temporaryDirectory.c_str(), extension.c_str())) |
2140 | 82 { |
83 } | |
82 | 84 |
85 | |
2140 | 86 TemporaryFile::~TemporaryFile() |
87 { | |
88 boost::filesystem::remove(path_); | |
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89 } |
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90 |
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91 |
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92 void TemporaryFile::Write(const std::string& content) |
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93 { |
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94 try |
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95 { |
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96 SystemToolbox::WriteFile(content, path_); |
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97 } |
3184 | 98 catch (OrthancException& e) |
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99 { |
3184 | 100 throw OrthancException(e.GetErrorCode(), |
101 "Can't create temporary file \"" + path_ + | |
102 "\" with " + boost::lexical_cast<std::string>(content.size()) + | |
103 " bytes: Check you have write access to the " | |
104 "temporary directory and that it is not full"); | |
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105 } |
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106 } |
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107 |
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108 |
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109 void TemporaryFile::Read(std::string& content) const |
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110 { |
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111 try |
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112 { |
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113 SystemToolbox::ReadFile(content, path_); |
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114 } |
3184 | 115 catch (OrthancException& e) |
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116 { |
3184 | 117 throw OrthancException(e.GetErrorCode(), |
118 "Can't read temporary file \"" + path_ + | |
119 "\": Another process has corrupted the temporary directory"); | |
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120 } |
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121 } |
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122 |
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123 |
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124 void TemporaryFile::Touch() |
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125 { |
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126 std::string empty; |
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127 Write(empty); |
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128 } |
4230 | 129 |
130 | |
131 uint64_t TemporaryFile::GetFileSize() const | |
132 { | |
133 return SystemToolbox::GetFileSize(path_); | |
134 } | |
0 | 135 } |