Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Logging.h @ 5437:85da6dcd0e08
merge
| author | Alain Mazy <am@osimis.io> |
|---|---|
| date | Wed, 22 Nov 2023 09:39:35 +0100 |
| parents | fddb5d8d0021 |
| children | 9ffd6d18daf3 |
| rev | line source |
|---|---|
| 1485 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 1485 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 1485 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
| 1485 | 12 * |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 * Lesser General Public License for more details. |
| 1485 | 17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 1485 | 21 **/ |
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22 |
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23 |
| 1485 | 24 #pragma once |
| 25 | |
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26 // To have ORTHANC_ENABLE_LOGGING defined if using the shared library |
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27 #include "OrthancFramework.h" |
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28 #include "Compatibility.h" |
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29 |
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30 #include <iostream> |
| 1489 | 31 |
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32 #if !defined(ORTHANC_ENABLE_LOGGING) |
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33 # error The macro ORTHANC_ENABLE_LOGGING must be defined |
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34 #endif |
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35 |
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36 #if !defined(ORTHANC_ENABLE_LOGGING_STDIO) |
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37 # if ORTHANC_ENABLE_LOGGING == 1 |
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38 # error The macro ORTHANC_ENABLE_LOGGING_STDIO must be defined |
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39 # else |
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40 # define ORTHANC_ENABLE_LOGGING_STDIO 0 |
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41 # endif |
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42 #endif |
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43 |
| 2504 | 44 |
| 1485 | 45 namespace Orthanc |
| 46 { | |
| 47 namespace Logging | |
| 48 { | |
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49 enum LogLevel |
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50 { |
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51 LogLevel_ERROR, |
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52 LogLevel_WARNING, |
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53 LogLevel_INFO, |
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54 LogLevel_TRACE |
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55 }; |
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56 |
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57 /** |
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58 * NB: The log level for each category is encoded as a bit |
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59 * mask. As a consequence, there can be up to 31 log categories |
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60 * (not 32, as the value GENERIC is reserved for the log commands |
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61 * that don't fall in a specific category). |
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62 **/ |
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63 enum LogCategory |
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64 { |
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65 LogCategory_GENERIC = (1 << 0), |
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66 LogCategory_PLUGINS = (1 << 1), |
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67 LogCategory_HTTP = (1 << 2), |
| 4272 | 68 LogCategory_SQLITE = (1 << 3), |
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69 LogCategory_DICOM = (1 << 4), |
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70 LogCategory_JOBS = (1 << 5), |
| 4790 | 71 LogCategory_LUA = (1 << 6) |
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72 }; |
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73 |
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74 ORTHANC_PUBLIC const char* EnumerationToString(LogLevel level); |
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75 |
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76 ORTHANC_PUBLIC LogLevel StringToLogLevel(const char* level); |
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77 |
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78 // "pluginContext" must be of type "OrthancPluginContext" |
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79 ORTHANC_PUBLIC void InitializePluginContext(void* pluginContext); |
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80 |
| 3993 | 81 ORTHANC_PUBLIC void Initialize(); |
| 1485 | 82 |
| 3993 | 83 ORTHANC_PUBLIC void Finalize(); |
| 1485 | 84 |
| 3993 | 85 ORTHANC_PUBLIC void Reset(); |
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86 |
| 3993 | 87 ORTHANC_PUBLIC void Flush(); |
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88 |
| 3993 | 89 ORTHANC_PUBLIC void EnableInfoLevel(bool enabled); |
| 1485 | 90 |
| 3993 | 91 ORTHANC_PUBLIC void EnableTraceLevel(bool enabled); |
| 1489 | 92 |
| 3993 | 93 ORTHANC_PUBLIC bool IsTraceLevelEnabled(); |
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| 3993 | 95 ORTHANC_PUBLIC bool IsInfoLevelEnabled(); |
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96 |
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97 ORTHANC_PUBLIC void SetCategoryEnabled(LogLevel level, |
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98 LogCategory category, |
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99 bool enabled); |
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100 |
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101 ORTHANC_PUBLIC bool IsCategoryEnabled(LogLevel level, |
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102 LogCategory category); |
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103 |
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104 ORTHANC_PUBLIC bool LookupCategory(LogCategory& target, |
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105 const std::string& category); |
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106 |
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107 ORTHANC_PUBLIC unsigned int GetCategoriesCount(); |
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108 |
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109 ORTHANC_PUBLIC const char* GetCategoryName(unsigned int i); |
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110 |
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111 ORTHANC_PUBLIC const char* GetCategoryName(LogCategory category); |
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112 |
| 3993 | 113 ORTHANC_PUBLIC void SetTargetFile(const std::string& path); |
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114 |
| 3993 | 115 ORTHANC_PUBLIC void SetTargetFolder(const std::string& path); |
| 1489 | 116 |
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117 struct ORTHANC_LOCAL NullStream : public std::ostream |
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118 { |
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119 NullStream() : |
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120 std::ios(0), |
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121 std::ostream(0) |
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122 { |
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123 } |
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124 |
| 2504 | 125 template <typename T> |
| 126 std::ostream& operator<< (const T& message) | |
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127 { |
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128 return *this; |
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129 } |
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130 }; |
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131 } |
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132 } |
| 1489 | 133 |
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134 |
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135 |
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136 /** |
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137 * NB: |
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138 * - The "VLOG(unused)" macro is for backward compatibility with |
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139 * Orthanc <= 1.8.0. |
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140 * - The "CLOG()" macro stands for "category log" (new in Orthanc 1.8.1) |
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141 **/ |
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142 |
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143 #if defined(LOG) |
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144 # error The macro LOG cannot be defined beforehand |
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145 #endif |
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146 |
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147 #if defined(VLOG) |
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148 # error The macro VLOG cannot be defined beforehand |
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149 #endif |
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150 |
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151 #if defined(CLOG) |
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152 # error The macro CLOG cannot be defined beforehand |
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153 #endif |
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154 |
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155 #if ORTHANC_ENABLE_LOGGING != 1 |
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156 # define LOG(level) ::Orthanc::Logging::NullStream() |
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157 # define VLOG(unused) ::Orthanc::Logging::NullStream() |
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158 # define CLOG(level, category) ::Orthanc::Logging::NullStream() |
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159 #else /* ORTHANC_ENABLE_LOGGING == 1 */ |
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160 |
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161 #if !defined(__ORTHANC_FILE__) |
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162 # if defined(_MSC_VER) |
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163 # pragma message("Warning: Macro __ORTHANC_FILE__ is not defined, this will leak the full path of the source files in the binaries") |
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164 # else |
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165 # warning Warning: Macro __ORTHANC_FILE__ is not defined, this will leak the full path of the source files in the binaries |
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166 # endif |
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167 # define __ORTHANC_FILE__ __FILE__ |
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168 #endif |
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169 |
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170 # define LOG(level) ::Orthanc::Logging::InternalLogger \ |
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171 (::Orthanc::Logging::LogLevel_ ## level, \ |
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172 ::Orthanc::Logging::LogCategory_GENERIC, __ORTHANC_FILE__, __LINE__) |
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173 # define VLOG(unused) ::Orthanc::Logging::InternalLogger \ |
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174 (::Orthanc::Logging::LogLevel_TRACE, \ |
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175 ::Orthanc::Logging::LogCategory_GENERIC, __ORTHANC_FILE__, __LINE__) |
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176 # define CLOG(level, category) ::Orthanc::Logging::InternalLogger \ |
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177 (::Orthanc::Logging::LogLevel_ ## level, \ |
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178 ::Orthanc::Logging::LogCategory_ ## category, __ORTHANC_FILE__, __LINE__) |
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179 #endif |
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180 |
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181 |
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182 |
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183 #if (ORTHANC_ENABLE_LOGGING == 1 && \ |
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184 ORTHANC_ENABLE_LOGGING_STDIO == 1) |
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185 // This is notably for WebAssembly |
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186 |
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187 #include <boost/lexical_cast.hpp> |
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188 #include <boost/noncopyable.hpp> |
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189 #include <sstream> |
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190 |
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191 namespace Orthanc |
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192 { |
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193 namespace Logging |
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194 { |
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195 class ORTHANC_PUBLIC InternalLogger : public boost::noncopyable |
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196 { |
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197 private: |
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198 LogLevel level_; |
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199 LogCategory category_; |
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200 std::stringstream messageStream_; |
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201 |
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202 public: |
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203 InternalLogger(LogLevel level, |
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204 LogCategory category, |
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205 const char* file /* ignored */, |
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206 int line /* ignored */) : |
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207 level_(level), |
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208 category_(category) |
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209 { |
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210 } |
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211 |
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212 // For backward binary compatibility with Orthanc Framework <= 1.8.0 |
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213 InternalLogger(LogLevel level, |
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214 const char* file /* ignored */, |
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215 int line /* ignored */) : |
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216 level_(level), |
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217 category_(LogCategory_GENERIC) |
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218 { |
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219 } |
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220 |
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221 ~InternalLogger(); |
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222 |
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223 template <typename T> |
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224 std::ostream& operator<< (const T& message) |
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225 { |
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226 return messageStream_ << boost::lexical_cast<std::string>(message); |
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227 } |
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228 }; |
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229 } |
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230 } |
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231 |
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232 #endif |
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233 |
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234 |
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235 |
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236 #if (ORTHANC_ENABLE_LOGGING == 1 && \ |
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237 ORTHANC_ENABLE_LOGGING_STDIO == 0) |
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238 |
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239 #include <boost/lexical_cast.hpp> |
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240 #include <boost/noncopyable.hpp> |
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241 #include <boost/thread/mutex.hpp> |
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242 #include <sstream> |
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243 |
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244 namespace Orthanc |
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245 { |
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246 namespace Logging |
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247 { |
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248 class ORTHANC_PUBLIC InternalLogger : public boost::noncopyable |
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249 { |
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250 private: |
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251 boost::mutex::scoped_lock lock_; |
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252 LogLevel level_; |
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253 std::unique_ptr<std::stringstream> pluginStream_; |
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254 std::ostream* stream_; |
| 1489 | 255 |
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256 void Setup(LogCategory category, |
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257 const char* file, |
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258 int line); |
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259 |
| 1489 | 260 public: |
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261 InternalLogger(LogLevel level, |
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262 LogCategory category, |
| 1489 | 263 const char* file, |
| 264 int line); | |
| 265 | |
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266 // For backward binary compatibility with Orthanc Framework <= 1.8.0 |
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267 InternalLogger(LogLevel level, |
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268 const char* file, |
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269 int line); |
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270 |
| 1507 | 271 ~InternalLogger(); |
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272 |
| 2504 | 273 template <typename T> |
| 3993 | 274 std::ostream& operator<< (const T& message) |
| 1489 | 275 { |
| 2504 | 276 return (*stream_) << boost::lexical_cast<std::string>(message); |
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277 } |
| 1489 | 278 }; |
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279 |
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280 /** |
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281 * Set custom logging streams for the error, warning and info |
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282 * logs. This function may not be called if a log file or folder |
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283 * has been set beforehand. All three references must be valid. |
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284 * |
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285 * Please ensure the supplied streams remain alive and valid as |
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286 * long as logging calls are performed. In order to prevent |
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287 * dangling pointer usage, it is mandatory to call |
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288 * Orthanc::Logging::Reset() before the stream objects are |
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289 * destroyed and the references become invalid. |
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290 * |
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291 * This function must only be used by unit tests. It is ignored if |
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292 * InitializePluginContext() was called. |
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293 **/ |
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294 ORTHANC_PUBLIC void SetErrorWarnInfoLoggingStreams(std::ostream& errorStream, |
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295 std::ostream& warningStream, |
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296 std::ostream& infoStream); |
| 1485 | 297 } |
| 298 } | |
| 1488 | 299 |
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300 #endif |