Parent: [2fb61f] (diff)

Download this file

log.h    218 lines (192 with data), 7.6 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/* Copyright (C) 2014 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Copyright (C) 2006-2016 J.F.Dockes
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef _LOG_H_X_INCLUDED_
#define _LOG_H_X_INCLUDED_
#include <string.h>
#include <fstream>
#include <iostream>
#include <string>
#include <mutex>
#ifndef LOGGER_THREADSAFE
#define LOGGER_THREADSAFE 1
#endif
#if LOGGER_THREADSAFE
#include <mutex>
#endif
// Can't use the symbolic Logger::LLXX names in preproc. 6 is LLDEB1
#ifndef LOGGER_STATICVERBOSITY
#define LOGGER_STATICVERBOSITY 5
#endif
class Logger {
public:
/** Initialize logging to file name. Use "stderr" for stderr
output. Creates the singleton logger object */
static Logger *getTheLog(const std::string& fn);
bool reopen(const std::string& fn);
std::ostream& getstream() {
return m_tocerr ? std::cerr : m_stream;
}
enum LogLevel {LLNON=0, LLFAT=1, LLERR=2, LLINF=3, LLDEB=4,
LLDEB0=5, LLDEB1=6, LLDEB2=7};
void setLogLevel(LogLevel level) {
m_loglevel = level;
}
int getloglevel() {
return m_loglevel;
}
#if LOGGER_THREADSAFE
std::recursive_mutex& getmutex() {
return m_mutex;
}
#endif
private:
bool m_tocerr;
int m_loglevel;
std::string m_fn;
std::ofstream m_stream;
#if LOGGER_THREADSAFE
std::recursive_mutex m_mutex;
#endif
Logger(const std::string& fn);
Logger(const Logger &);
Logger& operator=(const Logger &);
};
#define LOGGER_PRT (Logger::getTheLog("")->getstream())
#if LOGGER_THREADSAFE
#define LOGGER_LOCK \
std::unique_lock<std::recursive_mutex> lock(Logger::getTheLog("")->getmutex())
#else
#define LOGGER_LOCK
#endif
#ifndef LOGGER_LOCAL_LOGINC
#define LOGGER_LOCAL_LOGINC 0
#endif
#define LOGGER_LEVEL (Logger::getTheLog("")->getloglevel() + \
LOGGER_LOCAL_LOGINC)
#define LOGGER_DOLOG(L,X) LOGGER_PRT << ":" << L << ":" << \
__FILE__ << ":" << __LINE__ << "::" << X \
<< std::flush
#if LOGGER_STATICVERBOSITY >= 7
#define LOGDEB2(X) { \
if (LOGGER_LEVEL >= Logger::LLDEB2) { \
LOGGER_LOCK; \
LOGGER_DOLOG(Logger::LLDEB2, X); \
} \
}
#else
#define LOGDEB2(X)
#endif
#if LOGGER_STATICVERBOSITY >= 6
#define LOGDEB1(X) { \
if (LOGGER_LEVEL >= Logger::LLDEB1) { \
LOGGER_LOCK; \
LOGGER_DOLOG(Logger::LLDEB1, X); \
} \
}
#else
#define LOGDEB1(X)
#endif
#if LOGGER_STATICVERBOSITY >= 5
#define LOGDEB0(X) { \
if (LOGGER_LEVEL >= Logger::LLDEB0) { \
LOGGER_LOCK; \
LOGGER_DOLOG(Logger::LLDEB0, X); \
} \
}
#else
#define LOGDEB0(X)
#endif
#if LOGGER_STATICVERBOSITY >= 4
#define LOGDEB(X) { \
if (LOGGER_LEVEL >= Logger::LLDEB) { \
LOGGER_LOCK; \
LOGGER_DOLOG(Logger::LLDEB, X); \
} \
}
#else
#define LOGDEB(X)
#endif
#if LOGGER_STATICVERBOSITY >= 3
#define LOGINF(X) { \
if (LOGGER_LEVEL >= Logger::LLINF) { \
LOGGER_LOCK; \
LOGGER_DOLOG(Logger::LLINF, X); \
} \
}
#else
#define LOGINF(X)
#endif
#define LOGINFO LOGINF
#if LOGGER_STATICVERBOSITY >= 2
#define LOGERR(X) { \
if (LOGGER_LEVEL >= Logger::LLERR) { \
LOGGER_LOCK; \
LOGGER_DOLOG(Logger::LLERR, X); \
} \
}
#else
#define LOGERR(X)
#endif
#if LOGGER_STATICVERBOSITY >= 1
#define LOGFAT(X) { \
if (LOGGER_LEVEL >= Logger::LLFAT) { \
LOGGER_LOCK; \
LOGGER_DOLOG(Logger::LLFAT, X); \
} \
}
#else
#define LOGFAT(X)
#endif
#define LOGFATAL LOGFAT
#if defined(sun) || defined(_WIN32)
#define LOGSYSERR(who, what, arg) { \
LOGERR(who << ": " << what << "(" << arg << "): errno " << errno << \
": " << strerror(errno) << std::endl); \
}
#else // !WINDOWS->
#if (_POSIX_C_SOURCE >= 200112L) && ! _GNU_SOURCE
#define LOGSYSERR(who, what, arg) { \
char buf[200]; buf[0] = 0; strerror_r(errno, buf, 200); \
LOGERR(who << ": " << what << "(" << arg << "): errno " << errno << \
": " << buf << std::endl); \
}
#else
#define LOGSYSERR(who, what, arg) { \
char buf[200]; buf[0] = 0; \
LOGERR(who << ": " << what << "(" << arg << "): errno " << errno << \
": " << strerror_r(errno, buf, 200) << std::endl); \
}
#endif
#endif // not windows
#endif /* _LOG_H_X_INCLUDED_ */