Mercurial > hg > orthanc
annotate Core/Logging.cpp @ 1494:a13581480b1f
fix mingw build
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 05 Aug 2015 10:07:53 +0200 |
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rev | line source |
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1485 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #include "PrecompiledHeaders.h" | |
34 #include "Logging.h" | |
35 | |
1488 | 36 #if ORTHANC_ENABLE_LOGGING == 1 |
1485 | 37 |
1489 | 38 |
39 #if ORTHANC_ENABLE_GOOGLE_LOG == 1 | |
40 | |
41 /********************************************************* | |
42 * Wrapper around Google Log | |
43 *********************************************************/ | |
44 | |
1485 | 45 namespace Orthanc |
46 { | |
47 namespace Logging | |
48 { | |
49 void Initialize() | |
50 { | |
51 // Initialize Google's logging library. | |
52 FLAGS_logtostderr = true; | |
53 FLAGS_minloglevel = 1; // Do not print LOG(INFO) by default | |
54 FLAGS_v = 0; // Do not print trace-level VLOG(1) by default | |
55 | |
56 google::InitGoogleLogging("Orthanc"); | |
57 } | |
58 | |
59 void Finalize() | |
60 { | |
61 google::ShutdownGoogleLogging(); | |
62 } | |
63 | |
64 void EnableInfoLevel(bool enabled) | |
65 { | |
66 FLAGS_minloglevel = (enabled ? 0 : 1); | |
67 } | |
68 | |
69 void EnableTraceLevel(bool enabled) | |
70 { | |
71 if (enabled) | |
72 { | |
73 FLAGS_minloglevel = 0; | |
74 FLAGS_v = 1; | |
75 } | |
76 else | |
77 { | |
78 FLAGS_v = 0; | |
79 } | |
80 } | |
1489 | 81 |
82 void SetTargetFolder(const std::string& path) | |
83 { | |
84 FLAGS_logtostderr = false; | |
85 FLAGS_log_dir = path; | |
86 } | |
87 } | |
88 } | |
89 | |
90 #else | |
91 | |
92 /********************************************************* | |
93 * Use internal logger, not Google Log | |
94 *********************************************************/ | |
95 | |
96 #include "OrthancException.h" | |
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97 #include "Toolbox.h" |
1489 | 98 |
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99 #include <fstream> |
1489 | 100 #include <boost/filesystem.hpp> |
101 #include <boost/thread.hpp> | |
102 | |
103 #if BOOST_HAS_DATE_TIME == 1 | |
104 # include <boost/date_time/posix_time/posix_time.hpp> | |
105 #else | |
106 # error Boost::date_time is required | |
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107 #endif |
1489 | 108 |
109 | |
110 namespace | |
111 { | |
112 struct NullStream : public std::ostream | |
113 { | |
114 NullStream() : std::ios(0), std::ostream(0) | |
115 { | |
116 } | |
117 }; | |
118 } | |
119 | |
120 | |
121 static boost::mutex mutex_; | |
122 static bool infoEnabled_ = false; | |
123 static bool traceEnabled_ = false; | |
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124 |
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125 static std::ostream* error_ = &std::cerr; |
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126 static std::ostream* warning_ = &std::cerr; |
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127 static std::ostream* info_ = &std::cerr; |
1489 | 128 static NullStream null_; |
129 | |
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130 static std::auto_ptr<std::ofstream> errorFile_; |
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131 static std::auto_ptr<std::ofstream> warningFile_; |
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132 static std::auto_ptr<std::ofstream> infoFile_; |
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133 |
1489 | 134 namespace Orthanc |
135 { | |
136 namespace Logging | |
137 { | |
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138 static void GetLogPath(boost::filesystem::path& log, |
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139 boost::filesystem::path& link, |
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140 const char* level, |
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141 const std::string& directory) |
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142 { |
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143 /** |
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144 From Google Log documentation: |
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145 |
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146 Unless otherwise specified, logs will be written to the filename |
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147 "<program name>.<hostname>.<user name>.log.<severity level>.", |
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148 followed by the date, time, and pid (you can't prevent the date, |
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149 time, and pid from being in the filename). |
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150 |
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151 In this implementation : "hostname" and "username" are not used |
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152 **/ |
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153 |
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154 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); |
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155 boost::filesystem::path root(directory); |
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156 boost::filesystem::path exe(Toolbox::GetPathToExecutable()); |
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157 |
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158 if (!boost::filesystem::exists(root) || |
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159 !boost::filesystem::is_directory(root)) |
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160 { |
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161 throw OrthancException(ErrorCode_CannotWriteFile); |
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162 } |
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163 |
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164 char date[64]; |
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165 sprintf(date, "%04d%02d%02d-%02d%02d%02d.%d", |
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166 static_cast<int>(now.date().year()), |
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167 now.date().month().as_number(), |
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168 now.date().day().as_number(), |
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169 now.time_of_day().hours(), |
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170 now.time_of_day().minutes(), |
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171 now.time_of_day().seconds(), |
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172 Toolbox::GetProcessId()); |
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173 |
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174 std::string programName = exe.filename().replace_extension("").string(); |
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175 |
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176 log = (root / (programName + ".log." + |
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177 std::string(level) + "." + |
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178 std::string(date))); |
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179 |
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180 link = (root / (programName + "." + std::string(level))); |
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181 } |
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182 |
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183 |
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184 static void PrepareLogFile(std::ostream*& stream, |
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185 std::auto_ptr<std::ofstream>& file, |
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186 const char* level, |
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187 const std::string& directory) |
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188 { |
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189 boost::filesystem::path log, link; |
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190 GetLogPath(log, link, level, directory); |
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191 |
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192 #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) |
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193 boost::filesystem::remove(link); |
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194 boost::filesystem::create_symlink(log.filename(), link); |
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195 #endif |
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196 |
1494 | 197 file.reset(new std::ofstream(log.string().c_str())); |
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198 stream = file.get(); |
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199 } |
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200 |
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201 |
1489 | 202 void Initialize() |
203 { | |
204 infoEnabled_ = false; | |
205 traceEnabled_ = false; | |
206 } | |
207 | |
208 void Finalize() | |
209 { | |
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210 errorFile_.reset(NULL); |
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211 warningFile_.reset(NULL); |
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212 infoFile_.reset(NULL); |
1489 | 213 } |
214 | |
215 void EnableInfoLevel(bool enabled) | |
216 { | |
217 boost::mutex::scoped_lock lock(mutex_); | |
218 infoEnabled_ = enabled; | |
219 } | |
220 | |
221 void EnableTraceLevel(bool enabled) | |
222 { | |
223 boost::mutex::scoped_lock lock(mutex_); | |
224 traceEnabled_ = enabled; | |
225 | |
226 if (enabled) | |
227 { | |
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228 // Also enable the "INFO" level when trace-level debugging is enabled |
1489 | 229 infoEnabled_ = true; |
230 } | |
231 } | |
232 | |
233 void SetTargetFolder(const std::string& path) | |
234 { | |
235 boost::mutex::scoped_lock lock(mutex_); | |
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236 PrepareLogFile(error_, errorFile_, "ERROR", path); |
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237 PrepareLogFile(warning_, warningFile_, "WARNING", path); |
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238 PrepareLogFile(info_, infoFile_, "INFO", path); |
1489 | 239 } |
240 | |
241 InternalLogger::InternalLogger(const char* level, | |
242 const char* file, | |
243 int line) : | |
244 lock_(mutex_) | |
245 { | |
246 char c; | |
247 | |
248 if (strcmp(level, "ERROR") == 0) | |
249 { | |
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250 stream_ = error_; |
1489 | 251 c = 'E'; |
252 } | |
253 else if (strcmp(level, "WARNING") == 0) | |
254 { | |
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255 stream_ = warning_; |
1489 | 256 c = 'W'; |
257 } | |
258 else if (strcmp(level, "INFO") == 0) | |
259 { | |
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260 stream_ = infoEnabled_ ? info_ : &null_; |
1489 | 261 c = 'I'; |
262 } | |
263 else if (strcmp(level, "TRACE") == 0) | |
264 { | |
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265 stream_ = traceEnabled_ ? info_ : &null_; |
1489 | 266 c = 'T'; |
267 } | |
268 else | |
269 { | |
270 // Unknown logging level | |
271 throw OrthancException(ErrorCode_InternalError); | |
272 } | |
273 | |
274 if (stream_ != &null_) | |
275 { | |
276 boost::filesystem::path path(file); | |
277 boost::posix_time::ptime now = boost::posix_time::microsec_clock::local_time(); | |
278 boost::posix_time::time_duration duration = now.time_of_day(); | |
279 | |
280 /** | |
281 From Google Log documentation: | |
282 | |
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283 "Log lines have this form: |
1489 | 284 |
285 Lmmdd hh:mm:ss.uuuuuu threadid file:line] msg... | |
286 | |
287 where the fields are defined as follows: | |
288 | |
289 L A single character, representing the log level (eg 'I' for INFO) | |
290 mm The month (zero padded; ie May is '05') | |
291 dd The day (zero padded) | |
292 hh:mm:ss.uuuuuu Time in hours, minutes and fractional seconds | |
293 threadid The space-padded thread ID as returned by GetTID() (this matches the PID on Linux) | |
294 file The file name | |
295 line The line number | |
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296 msg The user-supplied message" |
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297 |
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298 In this implementation, "threadid" is not printed. |
1489 | 299 **/ |
300 | |
301 char date[32]; | |
302 sprintf(date, "%c%02d%02d %02d:%02d:%02d.%06d ", c, | |
303 now.date().month().as_number(), | |
304 now.date().day().as_number(), | |
305 duration.hours(), | |
306 duration.minutes(), | |
307 duration.seconds(), | |
308 static_cast<int>(duration.fractional_seconds())); | |
309 | |
310 *stream_ << date << path.filename().string() << ":" << line << "] "; | |
311 } | |
312 } | |
1485 | 313 } |
314 } | |
1488 | 315 |
316 #endif | |
1489 | 317 |
318 | |
319 #endif // ORTHANC_ENABLE_LOGGING |