Mercurial > hg > orthanc-stone
annotate Resources/Orthanc/Core/Logging.cpp @ 81:8677d95753f8 wasm
switching to Oracle in SDL samples
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 24 May 2017 22:54:09 +0200 |
| parents | 81e2651dca17 |
| children |
| rev | line source |
|---|---|
| 1 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
| 1 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
| 34 #include "PrecompiledHeaders.h" | |
| 35 #include "Logging.h" | |
| 36 | |
| 37 #if ORTHANC_ENABLE_LOGGING != 1 | |
| 38 | |
| 39 namespace Orthanc | |
| 40 { | |
| 41 namespace Logging | |
| 42 { | |
| 43 void Initialize() | |
| 44 { | |
| 45 } | |
| 46 | |
| 47 void Finalize() | |
| 48 { | |
| 49 } | |
| 50 | |
| 51 void Reset() | |
| 52 { | |
| 53 } | |
| 54 | |
| 55 void Flush() | |
| 56 { | |
| 57 } | |
| 58 | |
| 59 void EnableInfoLevel(bool enabled) | |
| 60 { | |
| 61 } | |
| 62 | |
| 63 void EnableTraceLevel(bool enabled) | |
| 64 { | |
| 65 } | |
| 66 | |
| 67 void SetTargetFile(const std::string& path) | |
| 68 { | |
| 69 } | |
| 70 | |
| 71 void SetTargetFolder(const std::string& path) | |
| 72 { | |
| 73 } | |
| 74 } | |
| 75 } | |
| 76 | |
|
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
77 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
78 #elif ORTHANC_ENABLE_LOGGING_PLUGIN == 1 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
79 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
80 /********************************************************* |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
81 * Logger compatible with the Orthanc plugin SDK |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
82 *********************************************************/ |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
83 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
84 #include <boost/lexical_cast.hpp> |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
85 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
86 namespace Orthanc |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
87 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
88 namespace Logging |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
89 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
90 static OrthancPluginContext* context_ = NULL; |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
91 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
92 void Initialize(OrthancPluginContext* context) |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
93 { |
| 42 | 94 context_ = context; |
|
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
95 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
96 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
97 InternalLogger::InternalLogger(const char* level, |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
98 const char* file /* ignored */, |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
99 int line /* ignored */) : |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
100 level_(level) |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
101 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
102 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
103 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
104 InternalLogger::~InternalLogger() |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
105 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
106 if (context_ != NULL) |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
107 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
108 if (level_ == "ERROR") |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
109 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
110 OrthancPluginLogError(context_, message_.c_str()); |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
111 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
112 else if (level_ == "WARNING") |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
113 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
114 OrthancPluginLogWarning(context_, message_.c_str()); |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
115 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
116 else if (level_ == "INFO") |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
117 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
118 OrthancPluginLogInfo(context_, message_.c_str()); |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
119 } |
| 42 | 120 else |
| 121 { | |
| 122 std::string s = "Unknown log level (" + level_ + ") for message: " + message_; | |
| 123 OrthancPluginLogError(context_, s.c_str()); | |
| 124 } | |
|
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
125 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
126 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
127 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
128 InternalLogger& InternalLogger::operator<< (const std::string& message) |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
129 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
130 message_ += message; |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
131 return *this; |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
132 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
133 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
134 InternalLogger& InternalLogger::operator<< (const char* message) |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
135 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
136 message_ += std::string(message); |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
137 return *this; |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
138 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
139 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
140 InternalLogger& InternalLogger::operator<< (int message) |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
141 { |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
142 message_ += boost::lexical_cast<std::string>(message); |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
143 return *this; |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
144 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
145 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
146 } |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
147 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
148 |
|
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
diff
changeset
|
149 #else /* ORTHANC_ENABLE_LOGGING_PLUGIN == 0 && ORTHANC_ENABLE_LOGGING == 1 */ |
| 1 | 150 |
| 151 /********************************************************* | |
| 152 * Internal logger of Orthanc, that mimics some | |
| 153 * behavior from Google Log. | |
| 154 *********************************************************/ | |
| 155 | |
| 156 #include "OrthancException.h" | |
| 157 #include "Enumerations.h" | |
| 158 #include "Toolbox.h" | |
| 15 | 159 #include "SystemToolbox.h" |
| 1 | 160 |
| 161 #include <fstream> | |
| 162 #include <boost/filesystem.hpp> | |
| 163 #include <boost/thread.hpp> | |
| 164 | |
| 165 #if BOOST_HAS_DATE_TIME == 1 | |
| 166 # include <boost/date_time/posix_time/posix_time.hpp> | |
| 167 #else | |
| 168 # error Boost::date_time is required | |
| 169 #endif | |
| 170 | |
| 171 | |
| 172 namespace | |
| 173 { | |
| 174 struct LoggingContext | |
| 175 { | |
| 176 bool infoEnabled_; | |
| 177 bool traceEnabled_; | |
| 178 std::string targetFile_; | |
| 179 std::string targetFolder_; | |
| 180 | |
| 181 std::ostream* error_; | |
| 182 std::ostream* warning_; | |
| 183 std::ostream* info_; | |
| 184 | |
| 185 std::auto_ptr<std::ofstream> file_; | |
| 186 | |
| 187 LoggingContext() : | |
| 188 infoEnabled_(false), | |
| 189 traceEnabled_(false), | |
| 190 error_(&std::cerr), | |
| 191 warning_(&std::cerr), | |
| 192 info_(&std::cerr) | |
| 193 { | |
| 194 } | |
| 195 }; | |
| 196 } | |
| 197 | |
| 198 | |
| 199 | |
| 200 static std::auto_ptr<LoggingContext> loggingContext_; | |
| 201 static boost::mutex loggingMutex_; | |
| 202 | |
| 203 | |
| 204 | |
| 205 namespace Orthanc | |
| 206 { | |
| 207 namespace Logging | |
| 208 { | |
| 209 static void GetLogPath(boost::filesystem::path& log, | |
| 210 boost::filesystem::path& link, | |
| 211 const std::string& suffix, | |
| 212 const std::string& directory) | |
| 213 { | |
| 214 /** | |
| 215 From Google Log documentation: | |
| 216 | |
| 217 Unless otherwise specified, logs will be written to the filename | |
| 218 "<program name>.<hostname>.<user name>.log<suffix>.", | |
| 219 followed by the date, time, and pid (you can't prevent the date, | |
| 220 time, and pid from being in the filename). | |
| 221 | |
| 222 In this implementation : "hostname" and "username" are not used | |
| 223 **/ | |
| 224 | |
| 225 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); | |
| 226 boost::filesystem::path root(directory); | |
| 15 | 227 boost::filesystem::path exe(SystemToolbox::GetPathToExecutable()); |
| 1 | 228 |
| 229 if (!boost::filesystem::exists(root) || | |
| 230 !boost::filesystem::is_directory(root)) | |
| 231 { | |
| 232 throw OrthancException(ErrorCode_CannotWriteFile); | |
| 233 } | |
| 234 | |
| 235 char date[64]; | |
| 236 sprintf(date, "%04d%02d%02d-%02d%02d%02d.%d", | |
| 237 static_cast<int>(now.date().year()), | |
| 238 now.date().month().as_number(), | |
| 239 now.date().day().as_number(), | |
| 240 now.time_of_day().hours(), | |
| 241 now.time_of_day().minutes(), | |
| 242 now.time_of_day().seconds(), | |
| 15 | 243 SystemToolbox::GetProcessId()); |
| 1 | 244 |
| 245 std::string programName = exe.filename().replace_extension("").string(); | |
| 246 | |
| 247 log = (root / (programName + ".log" + suffix + "." + std::string(date))); | |
| 248 link = (root / (programName + ".log" + suffix)); | |
| 249 } | |
| 250 | |
| 251 | |
| 252 static void PrepareLogFolder(std::auto_ptr<std::ofstream>& file, | |
| 253 const std::string& suffix, | |
| 254 const std::string& directory) | |
| 255 { | |
| 256 boost::filesystem::path log, link; | |
| 257 GetLogPath(log, link, suffix, directory); | |
| 258 | |
| 259 #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) | |
| 260 boost::filesystem::remove(link); | |
| 261 boost::filesystem::create_symlink(log.filename(), link); | |
| 262 #endif | |
| 263 | |
| 264 file.reset(new std::ofstream(log.string().c_str())); | |
| 265 } | |
| 266 | |
| 267 | |
| 268 void Initialize() | |
| 269 { | |
| 270 boost::mutex::scoped_lock lock(loggingMutex_); | |
| 271 loggingContext_.reset(new LoggingContext); | |
| 272 } | |
| 273 | |
| 274 void Finalize() | |
| 275 { | |
| 276 boost::mutex::scoped_lock lock(loggingMutex_); | |
| 277 loggingContext_.reset(NULL); | |
| 278 } | |
| 279 | |
| 280 void Reset() | |
| 281 { | |
| 282 // Recover the old logging context | |
| 283 std::auto_ptr<LoggingContext> old; | |
| 284 | |
| 285 { | |
| 286 boost::mutex::scoped_lock lock(loggingMutex_); | |
| 287 if (loggingContext_.get() == NULL) | |
| 288 { | |
| 289 return; | |
| 290 } | |
| 291 else | |
| 292 { | |
| 293 old = loggingContext_; | |
| 294 | |
| 295 // Create a new logging context, | |
| 296 loggingContext_.reset(new LoggingContext); | |
| 297 } | |
| 298 } | |
| 299 | |
| 300 EnableInfoLevel(old->infoEnabled_); | |
| 301 EnableTraceLevel(old->traceEnabled_); | |
| 302 | |
| 303 if (!old->targetFolder_.empty()) | |
| 304 { | |
| 305 SetTargetFolder(old->targetFolder_); | |
| 306 } | |
| 307 else if (!old->targetFile_.empty()) | |
| 308 { | |
| 309 SetTargetFile(old->targetFile_); | |
| 310 } | |
| 311 } | |
| 312 | |
| 313 void EnableInfoLevel(bool enabled) | |
| 314 { | |
| 315 boost::mutex::scoped_lock lock(loggingMutex_); | |
| 316 assert(loggingContext_.get() != NULL); | |
| 317 | |
| 318 loggingContext_->infoEnabled_ = enabled; | |
| 319 | |
| 320 if (!enabled) | |
| 321 { | |
| 322 // Also disable the "TRACE" level when info-level debugging is disabled | |
| 323 loggingContext_->traceEnabled_ = false; | |
| 324 } | |
| 325 } | |
| 326 | |
| 327 void EnableTraceLevel(bool enabled) | |
| 328 { | |
| 329 boost::mutex::scoped_lock lock(loggingMutex_); | |
| 330 assert(loggingContext_.get() != NULL); | |
| 331 | |
| 332 loggingContext_->traceEnabled_ = enabled; | |
| 333 | |
| 334 if (enabled) | |
| 335 { | |
| 336 // Also enable the "INFO" level when trace-level debugging is enabled | |
| 337 loggingContext_->infoEnabled_ = true; | |
| 338 } | |
| 339 } | |
| 340 | |
| 341 | |
| 342 static void CheckFile(std::auto_ptr<std::ofstream>& f) | |
| 343 { | |
| 344 if (loggingContext_->file_.get() == NULL || | |
| 345 !loggingContext_->file_->is_open()) | |
| 346 { | |
| 347 throw OrthancException(ErrorCode_CannotWriteFile); | |
| 348 } | |
| 349 } | |
| 350 | |
| 351 void SetTargetFolder(const std::string& path) | |
| 352 { | |
| 353 boost::mutex::scoped_lock lock(loggingMutex_); | |
| 354 assert(loggingContext_.get() != NULL); | |
| 355 | |
| 356 PrepareLogFolder(loggingContext_->file_, "" /* no suffix */, path); | |
| 357 CheckFile(loggingContext_->file_); | |
| 358 | |
| 359 loggingContext_->targetFile_.clear(); | |
| 360 loggingContext_->targetFolder_ = path; | |
| 361 loggingContext_->warning_ = loggingContext_->file_.get(); | |
| 362 loggingContext_->error_ = loggingContext_->file_.get(); | |
| 363 loggingContext_->info_ = loggingContext_->file_.get(); | |
| 364 } | |
| 365 | |
| 366 | |
| 367 void SetTargetFile(const std::string& path) | |
| 368 { | |
| 369 boost::mutex::scoped_lock lock(loggingMutex_); | |
| 370 assert(loggingContext_.get() != NULL); | |
| 371 | |
| 372 loggingContext_->file_.reset(new std::ofstream(path.c_str(), std::fstream::app)); | |
| 373 CheckFile(loggingContext_->file_); | |
| 374 | |
| 375 loggingContext_->targetFile_ = path; | |
| 376 loggingContext_->targetFolder_.clear(); | |
| 377 loggingContext_->warning_ = loggingContext_->file_.get(); | |
| 378 loggingContext_->error_ = loggingContext_->file_.get(); | |
| 379 loggingContext_->info_ = loggingContext_->file_.get(); | |
| 380 } | |
| 381 | |
| 382 | |
| 383 InternalLogger::InternalLogger(const char* level, | |
| 384 const char* file, | |
| 385 int line) : | |
| 386 lock_(loggingMutex_), | |
| 387 stream_(&null_) // By default, logging to "/dev/null" is simulated | |
| 388 { | |
| 389 if (loggingContext_.get() == NULL) | |
| 390 { | |
| 391 fprintf(stderr, "ERROR: Trying to log a message after the finalization of the logging engine\n"); | |
| 392 return; | |
| 393 } | |
| 394 | |
| 12 | 395 try |
| 1 | 396 { |
| 12 | 397 LogLevel l = StringToLogLevel(level); |
| 398 | |
| 399 if ((l == LogLevel_Info && !loggingContext_->infoEnabled_) || | |
| 400 (l == LogLevel_Trace && !loggingContext_->traceEnabled_)) | |
| 401 { | |
| 402 // This logging level is disabled, directly exit and unlock | |
| 403 // the mutex to speed-up things. The stream is set to "/dev/null" | |
| 404 lock_.unlock(); | |
| 405 return; | |
| 406 } | |
| 1 | 407 |
| 12 | 408 // Compute the header of the line, temporary release the lock as |
| 409 // this is a time-consuming operation | |
| 410 lock_.unlock(); | |
| 411 std::string header; | |
| 1 | 412 |
| 12 | 413 { |
| 414 boost::filesystem::path path(file); | |
| 415 boost::posix_time::ptime now = boost::posix_time::microsec_clock::local_time(); | |
| 416 boost::posix_time::time_duration duration = now.time_of_day(); | |
| 1 | 417 |
| 12 | 418 /** |
| 419 From Google Log documentation: | |
| 1 | 420 |
| 12 | 421 "Log lines have this form: |
| 1 | 422 |
| 12 | 423 Lmmdd hh:mm:ss.uuuuuu threadid file:line] msg... |
| 1 | 424 |
| 12 | 425 where the fields are defined as follows: |
| 1 | 426 |
| 12 | 427 L A single character, representing the log level (eg 'I' for INFO) |
| 428 mm The month (zero padded; ie May is '05') | |
| 429 dd The day (zero padded) | |
| 430 hh:mm:ss.uuuuuu Time in hours, minutes and fractional seconds | |
| 431 threadid The space-padded thread ID as returned by GetTID() (this matches the PID on Linux) | |
| 432 file The file name | |
| 433 line The line number | |
| 434 msg The user-supplied message" | |
| 1 | 435 |
| 12 | 436 In this implementation, "threadid" is not printed. |
| 437 **/ | |
| 1 | 438 |
| 12 | 439 char date[32]; |
| 440 sprintf(date, "%c%02d%02d %02d:%02d:%02d.%06d ", | |
| 441 level[0], | |
| 442 now.date().month().as_number(), | |
| 443 now.date().day().as_number(), | |
| 444 duration.hours(), | |
| 445 duration.minutes(), | |
| 446 duration.seconds(), | |
| 447 static_cast<int>(duration.fractional_seconds())); | |
| 1 | 448 |
| 12 | 449 header = std::string(date) + path.filename().string() + ":" + boost::lexical_cast<std::string>(line) + "] "; |
| 450 } | |
| 1 | 451 |
| 452 | |
| 12 | 453 // The header is computed, we now re-lock the mutex to access |
| 454 // the stream objects. Pay attention that "loggingContext_", | |
| 455 // "infoEnabled_" or "traceEnabled_" might have changed while | |
| 456 // the mutex was unlocked. | |
| 457 lock_.lock(); | |
| 458 | |
| 459 if (loggingContext_.get() == NULL) | |
| 460 { | |
| 461 fprintf(stderr, "ERROR: Trying to log a message after the finalization of the logging engine\n"); | |
| 462 return; | |
| 463 } | |
| 1 | 464 |
| 12 | 465 switch (l) |
| 466 { | |
| 467 case LogLevel_Error: | |
| 468 stream_ = loggingContext_->error_; | |
| 469 break; | |
| 1 | 470 |
| 12 | 471 case LogLevel_Warning: |
| 472 stream_ = loggingContext_->warning_; | |
| 473 break; | |
| 1 | 474 |
| 12 | 475 case LogLevel_Info: |
| 476 if (loggingContext_->infoEnabled_) | |
| 477 { | |
| 478 stream_ = loggingContext_->info_; | |
| 479 } | |
| 480 | |
| 481 break; | |
| 1 | 482 |
| 12 | 483 case LogLevel_Trace: |
| 484 if (loggingContext_->traceEnabled_) | |
| 485 { | |
| 486 stream_ = loggingContext_->info_; | |
| 487 } | |
| 1 | 488 |
| 12 | 489 break; |
| 1 | 490 |
| 12 | 491 default: |
| 492 throw OrthancException(ErrorCode_InternalError); | |
| 493 } | |
| 1 | 494 |
| 12 | 495 if (stream_ == &null_) |
| 496 { | |
| 497 // The logging is disabled for this level. The stream is the | |
| 498 // "null_" member of this object, so we can release the global | |
| 499 // mutex. | |
| 500 lock_.unlock(); | |
| 501 } | |
| 1 | 502 |
| 12 | 503 (*stream_) << header; |
| 1 | 504 } |
| 12 | 505 catch (...) |
| 506 { | |
| 507 // Something is going really wrong, probably running out of | |
| 508 // memory. Fallback to a degraded mode. | |
| 509 stream_ = loggingContext_->error_; | |
| 510 (*stream_) << "E???? ??:??:??.?????? ] "; | |
| 511 } | |
| 1 | 512 } |
| 513 | |
| 514 | |
| 515 InternalLogger::~InternalLogger() | |
| 516 { | |
| 517 if (stream_ != &null_) | |
| 518 { | |
| 519 #if defined(_WIN32) | |
| 520 *stream_ << "\r\n"; | |
| 521 #else | |
| 522 *stream_ << "\n"; | |
| 523 #endif | |
| 524 | |
| 525 stream_->flush(); | |
| 526 } | |
| 527 } | |
| 528 | |
| 529 | |
| 530 void Flush() | |
| 531 { | |
| 532 boost::mutex::scoped_lock lock(loggingMutex_); | |
| 533 | |
| 534 if (loggingContext_.get() != NULL && | |
| 535 loggingContext_->file_.get() != NULL) | |
| 536 { | |
| 537 loggingContext_->file_->flush(); | |
| 538 } | |
| 539 } | |
| 540 } | |
| 541 } | |
| 542 | |
| 543 #endif // ORTHANC_ENABLE_LOGGING |