Mercurial > hg > orthanc
annotate Core/Logging.cpp @ 1489:1389834e130f
basic logger
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 04 Aug 2015 12:22:08 +0200 |
| parents | c8763b603b0e |
| children | 596927722403 |
| rev | line source |
|---|---|
| 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" | |
| 97 | |
| 98 #include <boost/filesystem.hpp> | |
| 99 #include <boost/thread.hpp> | |
| 100 | |
| 101 #if BOOST_HAS_DATE_TIME == 1 | |
| 102 # include <boost/date_time/posix_time/posix_time.hpp> | |
| 103 #else | |
| 104 # error Boost::date_time is required | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
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105 #endif |
| 1489 | 106 |
| 107 | |
| 108 namespace | |
| 109 { | |
| 110 struct NullStream : public std::ostream | |
| 111 { | |
| 112 NullStream() : std::ios(0), std::ostream(0) | |
| 113 { | |
| 114 } | |
| 115 }; | |
| 116 } | |
| 117 | |
| 118 | |
| 119 static boost::mutex mutex_; | |
| 120 static bool infoEnabled_ = false; | |
| 121 static bool traceEnabled_ = false; | |
| 122 static std::ostream& error_ = std::cerr; | |
| 123 static std::ostream& warning_ = std::cerr; | |
| 124 static std::ostream& info_ = std::cerr; | |
| 125 static std::ostream& trace_ = std::cerr; | |
| 126 static NullStream null_; | |
| 127 | |
| 128 namespace Orthanc | |
| 129 { | |
| 130 namespace Logging | |
| 131 { | |
| 132 void Initialize() | |
| 133 { | |
| 134 infoEnabled_ = false; | |
| 135 traceEnabled_ = false; | |
| 136 } | |
| 137 | |
| 138 void Finalize() | |
| 139 { | |
| 140 } | |
| 141 | |
| 142 void EnableInfoLevel(bool enabled) | |
| 143 { | |
| 144 boost::mutex::scoped_lock lock(mutex_); | |
| 145 infoEnabled_ = enabled; | |
| 146 } | |
| 147 | |
| 148 void EnableTraceLevel(bool enabled) | |
| 149 { | |
| 150 boost::mutex::scoped_lock lock(mutex_); | |
| 151 traceEnabled_ = enabled; | |
| 152 | |
| 153 if (enabled) | |
| 154 { | |
| 155 // Also enable the "INFO" level when trace-level debugging is | |
| 156 // enabled | |
| 157 infoEnabled_ = true; | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 void SetTargetFolder(const std::string& path) | |
| 162 { | |
| 163 boost::mutex::scoped_lock lock(mutex_); | |
| 164 // TODO | |
| 165 } | |
| 166 | |
| 167 InternalLogger::InternalLogger(const char* level, | |
| 168 const char* file, | |
| 169 int line) : | |
| 170 lock_(mutex_) | |
| 171 { | |
| 172 char c; | |
| 173 | |
| 174 if (strcmp(level, "ERROR") == 0) | |
| 175 { | |
| 176 stream_ = &error_; | |
| 177 c = 'E'; | |
| 178 } | |
| 179 else if (strcmp(level, "WARNING") == 0) | |
| 180 { | |
| 181 stream_ = &warning_; | |
| 182 c = 'W'; | |
| 183 } | |
| 184 else if (strcmp(level, "INFO") == 0) | |
| 185 { | |
| 186 stream_ = infoEnabled_ ? &info_ : &null_; | |
| 187 c = 'I'; | |
| 188 } | |
| 189 else if (strcmp(level, "TRACE") == 0) | |
| 190 { | |
| 191 stream_ = traceEnabled_ ? &trace_ : &null_; | |
| 192 c = 'T'; | |
| 193 } | |
| 194 else | |
| 195 { | |
| 196 // Unknown logging level | |
| 197 throw OrthancException(ErrorCode_InternalError); | |
| 198 } | |
| 199 | |
| 200 if (stream_ != &null_) | |
| 201 { | |
| 202 boost::filesystem::path path(file); | |
| 203 boost::posix_time::ptime now = boost::posix_time::microsec_clock::local_time(); | |
| 204 boost::posix_time::time_duration duration = now.time_of_day(); | |
| 205 | |
| 206 /** | |
| 207 From Google Log documentation: | |
| 208 | |
| 209 Log lines have this form: | |
| 210 | |
| 211 Lmmdd hh:mm:ss.uuuuuu threadid file:line] msg... | |
| 212 | |
| 213 where the fields are defined as follows: | |
| 214 | |
| 215 L A single character, representing the log level (eg 'I' for INFO) | |
| 216 mm The month (zero padded; ie May is '05') | |
| 217 dd The day (zero padded) | |
| 218 hh:mm:ss.uuuuuu Time in hours, minutes and fractional seconds | |
| 219 threadid The space-padded thread ID as returned by GetTID() (this matches the PID on Linux) | |
| 220 file The file name | |
| 221 line The line number | |
| 222 msg The user-supplied message | |
| 223 **/ | |
| 224 | |
| 225 char date[32]; | |
| 226 sprintf(date, "%c%02d%02d %02d:%02d:%02d.%06d ", c, | |
| 227 now.date().month().as_number(), | |
| 228 now.date().day().as_number(), | |
| 229 duration.hours(), | |
| 230 duration.minutes(), | |
| 231 duration.seconds(), | |
| 232 static_cast<int>(duration.fractional_seconds())); | |
| 233 | |
| 234 *stream_ << date << path.filename().string() << ":" << line << "] "; | |
| 235 } | |
| 236 } | |
| 1485 | 237 } |
| 238 } | |
| 1488 | 239 |
| 240 #endif | |
| 1489 | 241 |
| 242 | |
| 243 #endif // ORTHANC_ENABLE_LOGGING |