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
|
116
|
5 * Copyright (C) 2017-2018 Osimis S.A., 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
|
92
|
77
|
|
78 #elif ORTHANC_ENABLE_LOGGING_PLUGIN == 1
|
|
79
|
|
80 /*********************************************************
|
|
81 * Logger compatible with the Orthanc plugin SDK
|
|
82 *********************************************************/
|
|
83
|
|
84 #include <boost/lexical_cast.hpp>
|
|
85
|
|
86 namespace Orthanc
|
|
87 {
|
|
88 namespace Logging
|
|
89 {
|
|
90 static OrthancPluginContext* context_ = NULL;
|
|
91
|
|
92 void Initialize(OrthancPluginContext* context)
|
|
93 {
|
107
|
94 context_ = context;
|
92
|
95 }
|
|
96
|
|
97 InternalLogger::InternalLogger(const char* level,
|
|
98 const char* file /* ignored */,
|
|
99 int line /* ignored */) :
|
|
100 level_(level)
|
|
101 {
|
|
102 }
|
|
103
|
|
104 InternalLogger::~InternalLogger()
|
|
105 {
|
|
106 if (context_ != NULL)
|
|
107 {
|
|
108 if (level_ == "ERROR")
|
|
109 {
|
|
110 OrthancPluginLogError(context_, message_.c_str());
|
|
111 }
|
|
112 else if (level_ == "WARNING")
|
|
113 {
|
|
114 OrthancPluginLogWarning(context_, message_.c_str());
|
|
115 }
|
|
116 else if (level_ == "INFO")
|
|
117 {
|
|
118 OrthancPluginLogInfo(context_, message_.c_str());
|
|
119 }
|
107
|
120 else
|
|
121 {
|
|
122 std::string s = "Unknown log level (" + level_ + ") for message: " + message_;
|
|
123 OrthancPluginLogError(context_, s.c_str());
|
|
124 }
|
92
|
125 }
|
|
126 }
|
|
127
|
|
128 InternalLogger& InternalLogger::operator<< (const std::string& message)
|
|
129 {
|
|
130 message_ += message;
|
|
131 return *this;
|
|
132 }
|
|
133
|
|
134 InternalLogger& InternalLogger::operator<< (const char* message)
|
|
135 {
|
|
136 message_ += std::string(message);
|
|
137 return *this;
|
|
138 }
|
|
139
|
|
140 InternalLogger& InternalLogger::operator<< (int message)
|
|
141 {
|
|
142 message_ += boost::lexical_cast<std::string>(message);
|
|
143 return *this;
|
|
144 }
|
|
145 }
|
|
146 }
|
|
147
|
|
148
|
|
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"
|
43
|
159 #include "SystemToolbox.h"
|
1
|
160
|
|
161 #include <fstream>
|
|
162 #include <boost/filesystem.hpp>
|
|
163 #include <boost/thread.hpp>
|
107
|
164 #include <boost/date_time/posix_time/posix_time.hpp>
|
1
|
165
|
|
166
|
|
167 namespace
|
|
168 {
|
|
169 struct LoggingContext
|
|
170 {
|
|
171 bool infoEnabled_;
|
|
172 bool traceEnabled_;
|
|
173 std::string targetFile_;
|
|
174 std::string targetFolder_;
|
|
175
|
|
176 std::ostream* error_;
|
|
177 std::ostream* warning_;
|
|
178 std::ostream* info_;
|
|
179
|
|
180 std::auto_ptr<std::ofstream> file_;
|
|
181
|
|
182 LoggingContext() :
|
|
183 infoEnabled_(false),
|
|
184 traceEnabled_(false),
|
|
185 error_(&std::cerr),
|
|
186 warning_(&std::cerr),
|
|
187 info_(&std::cerr)
|
|
188 {
|
|
189 }
|
|
190 };
|
|
191 }
|
|
192
|
|
193
|
|
194
|
|
195 static std::auto_ptr<LoggingContext> loggingContext_;
|
|
196 static boost::mutex loggingMutex_;
|
|
197
|
|
198
|
|
199
|
|
200 namespace Orthanc
|
|
201 {
|
|
202 namespace Logging
|
|
203 {
|
|
204 static void GetLogPath(boost::filesystem::path& log,
|
|
205 boost::filesystem::path& link,
|
|
206 const std::string& suffix,
|
|
207 const std::string& directory)
|
|
208 {
|
|
209 /**
|
|
210 From Google Log documentation:
|
|
211
|
|
212 Unless otherwise specified, logs will be written to the filename
|
|
213 "<program name>.<hostname>.<user name>.log<suffix>.",
|
|
214 followed by the date, time, and pid (you can't prevent the date,
|
|
215 time, and pid from being in the filename).
|
|
216
|
|
217 In this implementation : "hostname" and "username" are not used
|
|
218 **/
|
|
219
|
|
220 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time();
|
|
221 boost::filesystem::path root(directory);
|
43
|
222 boost::filesystem::path exe(SystemToolbox::GetPathToExecutable());
|
1
|
223
|
|
224 if (!boost::filesystem::exists(root) ||
|
|
225 !boost::filesystem::is_directory(root))
|
|
226 {
|
|
227 throw OrthancException(ErrorCode_CannotWriteFile);
|
|
228 }
|
|
229
|
|
230 char date[64];
|
|
231 sprintf(date, "%04d%02d%02d-%02d%02d%02d.%d",
|
|
232 static_cast<int>(now.date().year()),
|
|
233 now.date().month().as_number(),
|
|
234 now.date().day().as_number(),
|
|
235 now.time_of_day().hours(),
|
|
236 now.time_of_day().minutes(),
|
|
237 now.time_of_day().seconds(),
|
43
|
238 SystemToolbox::GetProcessId());
|
1
|
239
|
|
240 std::string programName = exe.filename().replace_extension("").string();
|
|
241
|
|
242 log = (root / (programName + ".log" + suffix + "." + std::string(date)));
|
|
243 link = (root / (programName + ".log" + suffix));
|
|
244 }
|
|
245
|
|
246
|
|
247 static void PrepareLogFolder(std::auto_ptr<std::ofstream>& file,
|
|
248 const std::string& suffix,
|
|
249 const std::string& directory)
|
|
250 {
|
|
251 boost::filesystem::path log, link;
|
|
252 GetLogPath(log, link, suffix, directory);
|
|
253
|
|
254 #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)))
|
|
255 boost::filesystem::remove(link);
|
|
256 boost::filesystem::create_symlink(log.filename(), link);
|
|
257 #endif
|
|
258
|
|
259 file.reset(new std::ofstream(log.string().c_str()));
|
|
260 }
|
|
261
|
|
262
|
|
263 void Initialize()
|
|
264 {
|
|
265 boost::mutex::scoped_lock lock(loggingMutex_);
|
|
266 loggingContext_.reset(new LoggingContext);
|
|
267 }
|
|
268
|
|
269 void Finalize()
|
|
270 {
|
|
271 boost::mutex::scoped_lock lock(loggingMutex_);
|
|
272 loggingContext_.reset(NULL);
|
|
273 }
|
|
274
|
|
275 void Reset()
|
|
276 {
|
|
277 // Recover the old logging context
|
|
278 std::auto_ptr<LoggingContext> old;
|
|
279
|
|
280 {
|
|
281 boost::mutex::scoped_lock lock(loggingMutex_);
|
|
282 if (loggingContext_.get() == NULL)
|
|
283 {
|
|
284 return;
|
|
285 }
|
|
286 else
|
|
287 {
|
|
288 old = loggingContext_;
|
|
289
|
|
290 // Create a new logging context,
|
|
291 loggingContext_.reset(new LoggingContext);
|
|
292 }
|
|
293 }
|
|
294
|
|
295 EnableInfoLevel(old->infoEnabled_);
|
|
296 EnableTraceLevel(old->traceEnabled_);
|
|
297
|
|
298 if (!old->targetFolder_.empty())
|
|
299 {
|
|
300 SetTargetFolder(old->targetFolder_);
|
|
301 }
|
|
302 else if (!old->targetFile_.empty())
|
|
303 {
|
|
304 SetTargetFile(old->targetFile_);
|
|
305 }
|
|
306 }
|
|
307
|
|
308 void EnableInfoLevel(bool enabled)
|
|
309 {
|
|
310 boost::mutex::scoped_lock lock(loggingMutex_);
|
|
311 assert(loggingContext_.get() != NULL);
|
|
312
|
|
313 loggingContext_->infoEnabled_ = enabled;
|
|
314
|
|
315 if (!enabled)
|
|
316 {
|
|
317 // Also disable the "TRACE" level when info-level debugging is disabled
|
|
318 loggingContext_->traceEnabled_ = false;
|
|
319 }
|
|
320 }
|
|
321
|
|
322 void EnableTraceLevel(bool enabled)
|
|
323 {
|
|
324 boost::mutex::scoped_lock lock(loggingMutex_);
|
|
325 assert(loggingContext_.get() != NULL);
|
|
326
|
|
327 loggingContext_->traceEnabled_ = enabled;
|
|
328
|
|
329 if (enabled)
|
|
330 {
|
|
331 // Also enable the "INFO" level when trace-level debugging is enabled
|
|
332 loggingContext_->infoEnabled_ = true;
|
|
333 }
|
|
334 }
|
|
335
|
|
336
|
|
337 static void CheckFile(std::auto_ptr<std::ofstream>& f)
|
|
338 {
|
|
339 if (loggingContext_->file_.get() == NULL ||
|
|
340 !loggingContext_->file_->is_open())
|
|
341 {
|
|
342 throw OrthancException(ErrorCode_CannotWriteFile);
|
|
343 }
|
|
344 }
|
|
345
|
|
346 void SetTargetFolder(const std::string& path)
|
|
347 {
|
|
348 boost::mutex::scoped_lock lock(loggingMutex_);
|
|
349 assert(loggingContext_.get() != NULL);
|
|
350
|
|
351 PrepareLogFolder(loggingContext_->file_, "" /* no suffix */, path);
|
|
352 CheckFile(loggingContext_->file_);
|
|
353
|
|
354 loggingContext_->targetFile_.clear();
|
|
355 loggingContext_->targetFolder_ = path;
|
|
356 loggingContext_->warning_ = loggingContext_->file_.get();
|
|
357 loggingContext_->error_ = loggingContext_->file_.get();
|
|
358 loggingContext_->info_ = loggingContext_->file_.get();
|
|
359 }
|
|
360
|
|
361
|
|
362 void SetTargetFile(const std::string& path)
|
|
363 {
|
|
364 boost::mutex::scoped_lock lock(loggingMutex_);
|
|
365 assert(loggingContext_.get() != NULL);
|
|
366
|
|
367 loggingContext_->file_.reset(new std::ofstream(path.c_str(), std::fstream::app));
|
|
368 CheckFile(loggingContext_->file_);
|
|
369
|
|
370 loggingContext_->targetFile_ = path;
|
|
371 loggingContext_->targetFolder_.clear();
|
|
372 loggingContext_->warning_ = loggingContext_->file_.get();
|
|
373 loggingContext_->error_ = loggingContext_->file_.get();
|
|
374 loggingContext_->info_ = loggingContext_->file_.get();
|
|
375 }
|
|
376
|
|
377
|
|
378 InternalLogger::InternalLogger(const char* level,
|
|
379 const char* file,
|
|
380 int line) :
|
|
381 lock_(loggingMutex_),
|
|
382 stream_(&null_) // By default, logging to "/dev/null" is simulated
|
|
383 {
|
|
384 if (loggingContext_.get() == NULL)
|
|
385 {
|
|
386 fprintf(stderr, "ERROR: Trying to log a message after the finalization of the logging engine\n");
|
|
387 return;
|
|
388 }
|
|
389
|
39
|
390 try
|
1
|
391 {
|
39
|
392 LogLevel l = StringToLogLevel(level);
|
|
393
|
|
394 if ((l == LogLevel_Info && !loggingContext_->infoEnabled_) ||
|
|
395 (l == LogLevel_Trace && !loggingContext_->traceEnabled_))
|
|
396 {
|
|
397 // This logging level is disabled, directly exit and unlock
|
|
398 // the mutex to speed-up things. The stream is set to "/dev/null"
|
|
399 lock_.unlock();
|
|
400 return;
|
|
401 }
|
1
|
402
|
39
|
403 // Compute the header of the line, temporary release the lock as
|
|
404 // this is a time-consuming operation
|
|
405 lock_.unlock();
|
|
406 std::string header;
|
1
|
407
|
39
|
408 {
|
|
409 boost::filesystem::path path(file);
|
|
410 boost::posix_time::ptime now = boost::posix_time::microsec_clock::local_time();
|
|
411 boost::posix_time::time_duration duration = now.time_of_day();
|
1
|
412
|
39
|
413 /**
|
|
414 From Google Log documentation:
|
1
|
415
|
39
|
416 "Log lines have this form:
|
1
|
417
|
39
|
418 Lmmdd hh:mm:ss.uuuuuu threadid file:line] msg...
|
1
|
419
|
39
|
420 where the fields are defined as follows:
|
1
|
421
|
39
|
422 L A single character, representing the log level (eg 'I' for INFO)
|
|
423 mm The month (zero padded; ie May is '05')
|
|
424 dd The day (zero padded)
|
|
425 hh:mm:ss.uuuuuu Time in hours, minutes and fractional seconds
|
|
426 threadid The space-padded thread ID as returned by GetTID() (this matches the PID on Linux)
|
|
427 file The file name
|
|
428 line The line number
|
|
429 msg The user-supplied message"
|
1
|
430
|
39
|
431 In this implementation, "threadid" is not printed.
|
|
432 **/
|
1
|
433
|
39
|
434 char date[32];
|
|
435 sprintf(date, "%c%02d%02d %02d:%02d:%02d.%06d ",
|
|
436 level[0],
|
|
437 now.date().month().as_number(),
|
|
438 now.date().day().as_number(),
|
|
439 duration.hours(),
|
|
440 duration.minutes(),
|
|
441 duration.seconds(),
|
|
442 static_cast<int>(duration.fractional_seconds()));
|
1
|
443
|
39
|
444 header = std::string(date) + path.filename().string() + ":" + boost::lexical_cast<std::string>(line) + "] ";
|
|
445 }
|
1
|
446
|
|
447
|
39
|
448 // The header is computed, we now re-lock the mutex to access
|
|
449 // the stream objects. Pay attention that "loggingContext_",
|
|
450 // "infoEnabled_" or "traceEnabled_" might have changed while
|
|
451 // the mutex was unlocked.
|
|
452 lock_.lock();
|
|
453
|
|
454 if (loggingContext_.get() == NULL)
|
|
455 {
|
|
456 fprintf(stderr, "ERROR: Trying to log a message after the finalization of the logging engine\n");
|
|
457 return;
|
|
458 }
|
1
|
459
|
39
|
460 switch (l)
|
|
461 {
|
|
462 case LogLevel_Error:
|
|
463 stream_ = loggingContext_->error_;
|
|
464 break;
|
1
|
465
|
39
|
466 case LogLevel_Warning:
|
|
467 stream_ = loggingContext_->warning_;
|
|
468 break;
|
1
|
469
|
39
|
470 case LogLevel_Info:
|
|
471 if (loggingContext_->infoEnabled_)
|
|
472 {
|
|
473 stream_ = loggingContext_->info_;
|
|
474 }
|
|
475
|
|
476 break;
|
1
|
477
|
39
|
478 case LogLevel_Trace:
|
|
479 if (loggingContext_->traceEnabled_)
|
|
480 {
|
|
481 stream_ = loggingContext_->info_;
|
|
482 }
|
1
|
483
|
39
|
484 break;
|
1
|
485
|
39
|
486 default:
|
|
487 throw OrthancException(ErrorCode_InternalError);
|
|
488 }
|
1
|
489
|
39
|
490 if (stream_ == &null_)
|
|
491 {
|
|
492 // The logging is disabled for this level. The stream is the
|
|
493 // "null_" member of this object, so we can release the global
|
|
494 // mutex.
|
|
495 lock_.unlock();
|
|
496 }
|
1
|
497
|
39
|
498 (*stream_) << header;
|
1
|
499 }
|
39
|
500 catch (...)
|
|
501 {
|
|
502 // Something is going really wrong, probably running out of
|
|
503 // memory. Fallback to a degraded mode.
|
|
504 stream_ = loggingContext_->error_;
|
|
505 (*stream_) << "E???? ??:??:??.?????? ] ";
|
|
506 }
|
1
|
507 }
|
|
508
|
|
509
|
|
510 InternalLogger::~InternalLogger()
|
|
511 {
|
|
512 if (stream_ != &null_)
|
|
513 {
|
|
514 #if defined(_WIN32)
|
|
515 *stream_ << "\r\n";
|
|
516 #else
|
|
517 *stream_ << "\n";
|
|
518 #endif
|
|
519
|
|
520 stream_->flush();
|
|
521 }
|
|
522 }
|
|
523
|
|
524
|
|
525 void Flush()
|
|
526 {
|
|
527 boost::mutex::scoped_lock lock(loggingMutex_);
|
|
528
|
|
529 if (loggingContext_.get() != NULL &&
|
|
530 loggingContext_->file_.get() != NULL)
|
|
531 {
|
|
532 loggingContext_->file_->flush();
|
|
533 }
|
|
534 }
|
|
535 }
|
|
536 }
|
|
537
|
|
538 #endif // ORTHANC_ENABLE_LOGGING
|