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annotate OrthancFramework/Sources/SystemToolbox.h @ 4342:52166629239f

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SystemToolbox::ReadFileRange()
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 03 Dec 2020 18:48:06 +0100
parents ab4d015af660
children d9473bd5ed43
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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) 2017-2020 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 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.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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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/>.
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20 **/
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21
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22
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23 #pragma once
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24
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25 #include "OrthancFramework.h" // Must be before "ORTHANC_SANDBOXED"
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26
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27 #if !defined(ORTHANC_SANDBOXED)
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28 # error The macro ORTHANC_SANDBOXED must be defined
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29 #endif
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30
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31 #if ORTHANC_SANDBOXED == 1
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32 # error The namespace SystemToolbox cannot be used in sandboxed environments
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33 #endif
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34
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35 #include "Enumerations.h"
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36
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37 #include <map>
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38 #include <vector>
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39 #include <string>
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40 #include <stdint.h>
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41
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42 namespace Orthanc
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43 {
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44 class ORTHANC_PUBLIC SystemToolbox
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45 {
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46 public:
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47 static void USleep(uint64_t microSeconds);
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48
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49 static ServerBarrierEvent ServerBarrier(const bool& stopFlag);
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50
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51 static ServerBarrierEvent ServerBarrier();
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52
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53 static void ReadFile(std::string& content,
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54 const std::string& path,
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55 bool log);
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56
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57 static void ReadFile(std::string& content,
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58 const std::string& path);
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59
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60 static bool ReadHeader(std::string& header,
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61 const std::string& path,
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62 size_t headerSize);
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63
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64 static void WriteFile(const void* content,
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65 size_t size,
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66 const std::string& path,
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67 bool callFsync);
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68
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69 static void WriteFile(const void* content,
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70 size_t size,
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71 const std::string& path);
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72
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73 static void WriteFile(const std::string& content,
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74 const std::string& path,
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75 bool callFsync);
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76
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77 static void WriteFile(const std::string& content,
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78 const std::string& path);
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79
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80 static void RemoveFile(const std::string& path);
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81
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82 static uint64_t GetFileSize(const std::string& path);
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83
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84 static void MakeDirectory(const std::string& path);
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85
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86 static bool IsExistingFile(const std::string& path);
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88 static std::string GetPathToExecutable();
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89
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90 static std::string GetDirectoryOfExecutable();
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91
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92 static void ExecuteSystemCommand(const std::string& command,
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93 const std::vector<std::string>& arguments);
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94
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95 static int GetProcessId();
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96
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97 static bool IsRegularFile(const std::string& path);
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98
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99 static FILE* OpenFile(const std::string& path,
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100 FileMode mode);
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101
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102 static std::string GetNowIsoString(bool utc);
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103
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104 static void GetNowDicom(std::string& date,
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105 std::string& time,
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106 bool utc);
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107
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108 static unsigned int GetHardwareConcurrency();
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109
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110 static MimeType AutodetectMimeType(const std::string& path);
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111
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112 static void GetEnvironmentVariables(std::map<std::string, std::string>& env);
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113
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114 static std::string InterpretRelativePath(const std::string& baseDirectory,
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115 const std::string& relativePath);
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116
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117 static void ReadFileRange(std::string& content,
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118 const std::string& path,
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119 uint64_t start, // Inclusive
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120 uint64_t end, // Exclusive
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121 bool throwIfOverflow);
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122 };
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123 }