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annotate Core/SystemToolbox.cpp @ 2512:4dcafa8d6633

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SystemToolbox::GenerateUuid moved to Toolbox::GenerateUuid
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 28 Mar 2018 15:20:50 +0200
parents 2717a8872396
children f790999a250a
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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 "SystemToolbox.h"
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36
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37
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38 #if defined(_WIN32)
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39 # include <windows.h>
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40 # include <process.h> // For "_spawnvp()" and "_getpid()"
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41 #else
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42 # include <unistd.h> // For "execvp()"
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43 # include <sys/wait.h> // For "waitpid()"
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44 #endif
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45
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46
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47 #if defined(__APPLE__) && defined(__MACH__)
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48 # include <mach-o/dyld.h> /* _NSGetExecutablePath */
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49 # include <limits.h> /* PATH_MAX */
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50 #endif
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51
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52
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53 #if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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54 # include <limits.h> /* PATH_MAX */
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55 # include <signal.h>
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56 # include <unistd.h>
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57 #endif
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58
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59
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60 #if defined(__OpenBSD__)
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61 # include <sys/sysctl.h> // For "sysctl", "CTL_KERN" and "KERN_PROC_ARGS"
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62 #endif
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63
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64
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65 #include "Logging.h"
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66 #include "OrthancException.h"
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67 #include "Toolbox.h"
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68
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69 #include <boost/filesystem.hpp>
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70 #include <boost/filesystem/fstream.hpp>
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71 #include <boost/date_time/posix_time/posix_time.hpp>
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72
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73
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74 namespace Orthanc
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75 {
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76 static bool finish_;
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77 static ServerBarrierEvent barrierEvent_;
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78
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79 #if defined(_WIN32)
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80 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType)
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81 {
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82 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx
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83 finish_ = true;
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84 return true;
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85 }
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86 #else
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87 static void SignalHandler(int signal)
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88 {
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89 if (signal == SIGHUP)
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90 {
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91 barrierEvent_ = ServerBarrierEvent_Reload;
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92 }
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93
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94 finish_ = true;
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95 }
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96 #endif
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97
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98
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99 static ServerBarrierEvent ServerBarrierInternal(const bool* stopFlag)
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100 {
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101 #if defined(_WIN32)
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102 SetConsoleCtrlHandler(ConsoleControlHandler, true);
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103 #else
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104 signal(SIGINT, SignalHandler);
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105 signal(SIGQUIT, SignalHandler);
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106 signal(SIGTERM, SignalHandler);
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107 signal(SIGHUP, SignalHandler);
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108 #endif
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109
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110 // Active loop that awakens every 100ms
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111 finish_ = false;
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112 barrierEvent_ = ServerBarrierEvent_Stop;
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113 while (!(*stopFlag || finish_))
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114 {
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115 SystemToolbox::USleep(100 * 1000);
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116 }
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117
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118 #if defined(_WIN32)
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119 SetConsoleCtrlHandler(ConsoleControlHandler, false);
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120 #else
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121 signal(SIGINT, NULL);
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122 signal(SIGQUIT, NULL);
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123 signal(SIGTERM, NULL);
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124 signal(SIGHUP, NULL);
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125 #endif
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126
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127 return barrierEvent_;
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128 }
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129
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130
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131 ServerBarrierEvent SystemToolbox::ServerBarrier(const bool& stopFlag)
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132 {
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133 return ServerBarrierInternal(&stopFlag);
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134 }
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135
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136
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137 ServerBarrierEvent SystemToolbox::ServerBarrier()
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138 {
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139 const bool stopFlag = false;
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140 return ServerBarrierInternal(&stopFlag);
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141 }
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142
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143
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144 void SystemToolbox::USleep(uint64_t microSeconds)
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145 {
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146 #if defined(_WIN32)
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147 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000)));
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148 #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__native_client__)
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149 usleep(microSeconds);
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150 #else
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151 #error Support your platform here
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152 #endif
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153 }
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154
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155
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156 static std::streamsize GetStreamSize(std::istream& f)
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157 {
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158 // http://www.cplusplus.com/reference/iostream/istream/tellg/
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159 f.seekg(0, std::ios::end);
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160 std::streamsize size = f.tellg();
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161 f.seekg(0, std::ios::beg);
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162
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163 return size;
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164 }
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165
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166
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167 void SystemToolbox::ReadFile(std::string& content,
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168 const std::string& path)
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169 {
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170 if (!IsRegularFile(path))
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171 {
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172 LOG(ERROR) << "The path does not point to a regular file: " << path;
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173 throw OrthancException(ErrorCode_RegularFileExpected);
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174 }
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175
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176 boost::filesystem::ifstream f;
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177 f.open(path, std::ifstream::in | std::ifstream::binary);
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178 if (!f.good())
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179 {
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180 throw OrthancException(ErrorCode_InexistentFile);
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181 }
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182
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183 std::streamsize size = GetStreamSize(f);
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184 content.resize(static_cast<size_t>(size));
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185 if (size != 0)
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186 {
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187 f.read(reinterpret_cast<char*>(&content[0]), size);
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188 }
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189
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190 f.close();
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191 }
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192
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193
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194 bool SystemToolbox::ReadHeader(std::string& header,
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195 const std::string& path,
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196 size_t headerSize)
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197 {
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198 if (!IsRegularFile(path))
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199 {
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200 LOG(ERROR) << "The path does not point to a regular file: " << path;
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201 throw OrthancException(ErrorCode_RegularFileExpected);
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202 }
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203
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204 boost::filesystem::ifstream f;
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205 f.open(path, std::ifstream::in | std::ifstream::binary);
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206 if (!f.good())
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207 {
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208 throw OrthancException(ErrorCode_InexistentFile);
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209 }
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210
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211 bool full = true;
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212
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213 {
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214 std::streamsize size = GetStreamSize(f);
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215 if (size <= 0)
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216 {
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217 headerSize = 0;
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218 full = false;
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219 }
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220 else if (static_cast<size_t>(size) < headerSize)
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221 {
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222 headerSize = static_cast<size_t>(size); // Truncate to the size of the file
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223 full = false;
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224 }
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225 }
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226
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227 header.resize(headerSize);
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228 if (headerSize != 0)
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229 {
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230 f.read(reinterpret_cast<char*>(&header[0]), headerSize);
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231 }
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232
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233 f.close();
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234
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235 return full;
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236 }
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237
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238
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239 void SystemToolbox::WriteFile(const void* content,
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240 size_t size,
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241 const std::string& path)
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242 {
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243 boost::filesystem::ofstream f;
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244 f.open(path, std::ofstream::out | std::ofstream::binary);
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245 if (!f.good())
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246 {
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247 throw OrthancException(ErrorCode_CannotWriteFile);
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248 }
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249
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250 if (size != 0)
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251 {
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252 f.write(reinterpret_cast<const char*>(content), size);
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253
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254 if (!f.good())
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255 {
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256 f.close();
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257 throw OrthancException(ErrorCode_FileStorageCannotWrite);
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258 }
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259 }
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260
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261 f.close();
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262 }
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263
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264
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265 void SystemToolbox::WriteFile(const std::string& content,
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266 const std::string& path)
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267 {
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268 WriteFile(content.size() > 0 ? content.c_str() : NULL,
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269 content.size(), path);
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270 }
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271
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272
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273 void SystemToolbox::RemoveFile(const std::string& path)
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274 {
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275 if (boost::filesystem::exists(path))
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276 {
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277 if (IsRegularFile(path))
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278 {
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279 boost::filesystem::remove(path);
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280 }
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281 else
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282 {
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283 throw OrthancException(ErrorCode_RegularFileExpected);
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284 }
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285 }
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286 }
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287
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288
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289 uint64_t SystemToolbox::GetFileSize(const std::string& path)
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290 {
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291 try
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292 {
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293 return static_cast<uint64_t>(boost::filesystem::file_size(path));
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294 }
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diff changeset
295 catch (boost::filesystem::filesystem_error&)
fd5875662670 creation of namespace SystemToolbox
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diff changeset
296 {
fd5875662670 creation of namespace SystemToolbox
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diff changeset
297 throw OrthancException(ErrorCode_InexistentFile);
fd5875662670 creation of namespace SystemToolbox
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diff changeset
298 }
fd5875662670 creation of namespace SystemToolbox
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diff changeset
299 }
fd5875662670 creation of namespace SystemToolbox
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diff changeset
300
fd5875662670 creation of namespace SystemToolbox
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diff changeset
301
fd5875662670 creation of namespace SystemToolbox
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diff changeset
302 void SystemToolbox::MakeDirectory(const std::string& path)
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diff changeset
303 {
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diff changeset
304 if (boost::filesystem::exists(path))
fd5875662670 creation of namespace SystemToolbox
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diff changeset
305 {
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
306 if (!boost::filesystem::is_directory(path))
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
307 {
fd5875662670 creation of namespace SystemToolbox
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diff changeset
308 throw OrthancException(ErrorCode_DirectoryOverFile);
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
309 }
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
310 }
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
311 else
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diff changeset
312 {
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
313 if (!boost::filesystem::create_directories(path))
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parents:
diff changeset
314 {
fd5875662670 creation of namespace SystemToolbox
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diff changeset
315 throw OrthancException(ErrorCode_MakeDirectory);
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
316 }
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
317 }
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diff changeset
318 }
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parents:
diff changeset
319
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diff changeset
320
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diff changeset
321 bool SystemToolbox::IsExistingFile(const std::string& path)
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diff changeset
322 {
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323 return boost::filesystem::exists(path);
fd5875662670 creation of namespace SystemToolbox
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324 }
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325
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diff changeset
326
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diff changeset
327 #if defined(_WIN32)
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328 static std::string GetPathToExecutableInternal()
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329 {
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diff changeset
330 // Yes, this is ugly, but there is no simple way to get the
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diff changeset
331 // required buffer size, so we use a big constant
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332 std::vector<char> buffer(32768);
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333 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1));
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334 return std::string(&buffer[0]);
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335 }
fd5875662670 creation of namespace SystemToolbox
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diff changeset
336
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337 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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338 static std::string GetPathToExecutableInternal()
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diff changeset
339 {
2365
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
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diff changeset
340 // NOTE: For FreeBSD, using KERN_PROC_PATHNAME might be a better alternative
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diff changeset
341
2143
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342 std::vector<char> buffer(PATH_MAX + 1);
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diff changeset
343 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1);
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344 if (bytes == 0)
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diff changeset
345 {
fd5875662670 creation of namespace SystemToolbox
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diff changeset
346 throw OrthancException(ErrorCode_PathToExecutable);
fd5875662670 creation of namespace SystemToolbox
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diff changeset
347 }
fd5875662670 creation of namespace SystemToolbox
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diff changeset
348
fd5875662670 creation of namespace SystemToolbox
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diff changeset
349 return std::string(&buffer[0]);
fd5875662670 creation of namespace SystemToolbox
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diff changeset
350 }
fd5875662670 creation of namespace SystemToolbox
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diff changeset
351
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diff changeset
352 #elif defined(__APPLE__) && defined(__MACH__)
fd5875662670 creation of namespace SystemToolbox
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diff changeset
353 static std::string GetPathToExecutableInternal()
fd5875662670 creation of namespace SystemToolbox
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diff changeset
354 {
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
355 char pathbuf[PATH_MAX + 1];
fd5875662670 creation of namespace SystemToolbox
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diff changeset
356 unsigned int bufsize = static_cast<int>(sizeof(pathbuf));
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
357
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
358 _NSGetExecutablePath( pathbuf, &bufsize);
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
359
fd5875662670 creation of namespace SystemToolbox
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diff changeset
360 return std::string(pathbuf);
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
361 }
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
362
2364
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2332
diff changeset
363 #elif defined(__OpenBSD__)
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2332
diff changeset
364 static std::string GetPathToExecutableInternal()
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2332
diff changeset
365 {
2365
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
366 // This is an adapted version of the patch proposed in issue #64
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
367 // without an explicit call to "malloc()" to prevent memory leak
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
368 // https://bitbucket.org/sjodogne/orthanc/issues/64/add-openbsd-support
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
369 // https://stackoverflow.com/q/31494901/881731
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
370
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
371 const int mib[4] = { CTL_KERN, KERN_PROC_ARGS, getpid(), KERN_PROC_ARGV };
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
372
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
373 size_t len;
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
374 if (sysctl(mib, 4, NULL, &len, NULL, 0) == -1)
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
375 {
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
376 throw OrthancException(ErrorCode_PathToExecutable);
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
377 }
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
378
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
379 std::string tmp;
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
380 tmp.resize(len);
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
381
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
382 char** buffer = reinterpret_cast<char**>(&tmp[0]);
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
383
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
384 if (sysctl(mib, 4, buffer, &len, NULL, 0) == -1)
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
385 {
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
386 throw OrthancException(ErrorCode_PathToExecutable);
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
387 }
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
388 else
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
389 {
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
390 return std::string(buffer[0]);
9e0eae8a5ea4 SystemToolbox::GetPathToExecutable() for OpenBSD
jodogne
parents: 2364
diff changeset
391 }
2364
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2332
diff changeset
392 }
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2332
diff changeset
393
2143
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
394 #else
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
395 #error Support your platform here
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
396 #endif
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
397
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
398
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
399 std::string SystemToolbox::GetPathToExecutable()
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
400 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
401 boost::filesystem::path p(GetPathToExecutableInternal());
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
402 return boost::filesystem::absolute(p).string();
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
403 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
404
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
405
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
406 std::string SystemToolbox::GetDirectoryOfExecutable()
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
407 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
408 boost::filesystem::path p(GetPathToExecutableInternal());
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
409 return boost::filesystem::absolute(p.parent_path()).string();
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
410 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
411
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
412
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
413 void SystemToolbox::ExecuteSystemCommand(const std::string& command,
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
414 const std::vector<std::string>& arguments)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
415 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
416 // Convert the arguments as a C array
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
417 std::vector<char*> args(arguments.size() + 2);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
418
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
419 args.front() = const_cast<char*>(command.c_str());
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
420
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
421 for (size_t i = 0; i < arguments.size(); i++)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
422 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
423 args[i + 1] = const_cast<char*>(arguments[i].c_str());
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
424 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
425
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
426 args.back() = NULL;
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
427
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
428 int status;
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
429
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
430 #if defined(_WIN32)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
431 // http://msdn.microsoft.com/en-us/library/275khfab.aspx
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
432 status = static_cast<int>(_spawnvp(_P_OVERLAY, command.c_str(), &args[0]));
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
433
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
434 #else
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
435 int pid = fork();
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
436
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
437 if (pid == -1)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
438 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
439 // Error in fork()
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
440 #if ORTHANC_ENABLE_LOGGING == 1
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
441 LOG(ERROR) << "Cannot fork a child process";
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
442 #endif
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
443
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
444 throw OrthancException(ErrorCode_SystemCommand);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
445 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
446 else if (pid == 0)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
447 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
448 // Execute the system command in the child process
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
449 execvp(command.c_str(), &args[0]);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
450
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
451 // We should never get here
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
452 _exit(1);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
453 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
454 else
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
455 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
456 // Wait for the system command to exit
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
457 waitpid(pid, &status, 0);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
458 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
459 #endif
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
460
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
461 if (status != 0)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
462 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
463 #if ORTHANC_ENABLE_LOGGING == 1
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
464 LOG(ERROR) << "System command failed with status code " << status;
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
465 #endif
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
466
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
467 throw OrthancException(ErrorCode_SystemCommand);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
468 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
469 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
470
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
471
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
472 int SystemToolbox::GetProcessId()
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
473 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
474 #if defined(_WIN32)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
475 return static_cast<int>(_getpid());
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
476 #else
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
477 return static_cast<int>(getpid());
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
478 #endif
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
479 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
480
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
481
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
482 bool SystemToolbox::IsRegularFile(const std::string& path)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
483 {
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
484 namespace fs = boost::filesystem;
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
485
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
486 try
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
487 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
488 if (fs::exists(path))
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
489 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
490 fs::file_status status = fs::status(path);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
491 return (status.type() == boost::filesystem::regular_file ||
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
492 status.type() == boost::filesystem::reparse_file); // Fix BitBucket issue #11
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
493 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
494 }
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
495 catch (fs::filesystem_error&)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
496 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
497 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
498
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
499 return false;
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
500 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
501
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
502
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
503 FILE* SystemToolbox::OpenFile(const std::string& path,
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
504 FileMode mode)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
505 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
506 #if defined(_WIN32)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
507 // TODO Deal with special characters by converting to the current locale
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
508 #endif
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
509
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
510 const char* m;
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
511 switch (mode)
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
512 {
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
513 case FileMode_ReadBinary:
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
514 m = "rb";
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
515 break;
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
516
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
517 case FileMode_WriteBinary:
fd5875662670 creation of namespace SystemToolbox
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parents:
diff changeset
518 m = "wb";
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
519 break;
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
520
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
521 default:
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
522 throw OrthancException(ErrorCode_ParameterOutOfRange);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
523 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
524
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
525 return fopen(path.c_str(), m);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
526 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
527
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
528
2475
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
529 static boost::posix_time::ptime GetNow(bool utc)
2143
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
530 {
2475
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
531 if (utc)
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
532 {
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
533 return boost::posix_time::second_clock::universal_time();
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
534 }
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
535 else
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
536 {
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
537 return boost::posix_time::second_clock::local_time();
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
538 }
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
539 }
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
540
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
541
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
542 std::string SystemToolbox::GetNowIsoString(bool utc)
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
543 {
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
544 return boost::posix_time::to_iso_string(GetNow(utc));
2143
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
545 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
546
2367
2aff870c2c58 refactoring of BoostConfiguration.cmake
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2365
diff changeset
547
2143
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
548 void SystemToolbox::GetNowDicom(std::string& date,
2475
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
549 std::string& time,
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
550 bool utc)
2143
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
551 {
2475
8cc3ca64a534 Orthanc now uses UTC (universal time) instead of local time in its database
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
552 boost::posix_time::ptime now = GetNow(utc);
2143
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
553 tm tm = boost::posix_time::to_tm(now);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
554
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
555 char s[32];
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
556 sprintf(s, "%04d%02d%02d", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
557 date.assign(s);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
558
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
559 // TODO milliseconds
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
560 sprintf(s, "%02d%02d%02d.%06d", tm.tm_hour, tm.tm_min, tm.tm_sec, 0);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
561 time.assign(s);
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
562 }
fd5875662670 creation of namespace SystemToolbox
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
563 }