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slog.h

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00001 // Copyright (C) 1999-2002 Open Source Telecom Corporation.
00002 //
00003 // This program is free software; you can redistribute it and/or modify
00004 // it under the terms of the GNU General Public License as published by
00005 // the Free Software Foundation; either version 2 of the License, or
00006 // (at your option) any later version.
00007 //
00008 // This program is distributed in the hope that it will be useful,
00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011 // GNU General Public License for more details.
00012 //
00013 // You should have received a copy of the GNU General Public License
00014 // along with this program; if not, write to the Free Software
00015 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00016 //
00017 // As a special exception to the GNU General Public License, permission is
00018 // granted for additional uses of the text contained in its release
00019 // of Common C++.
00020 //
00021 // The exception is that, if you link the Common C++ library with other
00022 // files to produce an executable, this does not by itself cause the
00023 // resulting executable to be covered by the GNU General Public License.
00024 // Your use of that executable is in no way restricted on account of
00025 // linking the Common C++ library code into it.
00026 //
00027 // This exception does not however invalidate any other reasons why
00028 // the executable file might be covered by the GNU General Public License.
00029 //
00030 // This exception applies only to the code released under the
00031 // name Common C++.  If you copy code from other releases into a copy of
00032 // Common C++, as the General Public License permits, the exception does
00033 // not apply to the code that you add in this way.  To avoid misleading
00034 // anyone as to the status of such modified files, you must delete
00035 // this exception notice from them.
00036 //
00037 // If you write modifications of your own for Common C++, it is your choice
00038 // whether to permit this exception to apply to your modifications.
00039 // If you do not wish that, delete this exception notice.
00040 
00046 #ifndef CCXX_SLOG_H_
00047 #define CCXX_SLOG_H_
00048 
00049 #ifndef CCXX_MISSING_H_
00050 #include <cc++/missing.h>
00051 #endif
00052 
00053 #ifndef CCXX_THREAD_H_
00054 #include <cc++/thread.h>
00055 #endif
00056 
00057 #ifndef HAVE_SYSLOG_H
00058 #include <cstdio>
00059 #endif
00060 
00061 #ifdef  CCXX_NAMESPACES
00062 namespace ost {
00063 #endif
00064 
00106 class __EXPORT Slog : protected std::streambuf, public std::ostream
00107 {
00108 public:
00109         typedef enum Class
00110         {
00111                 classSecurity,
00112                 classAudit,
00113                 classDaemon,
00114                 classUser,
00115                 classDefault,
00116                 classLocal0,
00117                 classLocal1,
00118                 classLocal2,
00119                 classLocal3,
00120                 classLocal4,
00121                 classLocal5,
00122                 classLocal6,
00123                 classLocal7
00124         } Class;
00125 
00126         typedef enum Level
00127         {
00128                 levelEmergency = 1,
00129                 levelAlert,
00130                 levelCritical,
00131                 levelError,
00132                 levelWarning,
00133                 levelNotice,
00134                 levelInfo,
00135                 levelDebug
00136         } Level;
00137 
00138 private:
00139 #ifndef HAVE_SYSLOG_H
00140         Mutex lock;
00141         FILE *syslog;
00142 #endif
00143         int priority;
00144         Level  _level;
00145         bool _enable;
00146         bool _clogEnable;
00147 
00148         ThreadImpl *getPriv(void);
00149 
00150 protected:
00156         int overflow(int c);
00157 
00158 public:
00166         Slog(void);
00167 
00168         virtual ~Slog(void);
00169 
00170         void close(void);
00171 
00177         void open(const char *ident, Class grp = classUser);
00178 
00185         Slog &operator()(const char *ident, Class grp = classUser,
00186                          Level level = levelError);
00187 
00193         Slog &operator()(Level level, Class grp = classDefault);
00194 
00198         Slog &operator()(void);
00199 
00200 #ifdef  HAVE_SNPRINTF
00201 
00206         void error(const char *format, ...);
00207 
00213         void warn(const char *format, ...);
00214 
00220         void debug(const char *format, ...);
00221 
00227         void emerg(const char *format, ...);
00228 
00234         void alert(const char *format, ...);
00235 
00241         void critical(const char *format, ...);
00242 
00248         void notice(const char *format, ...);
00249 
00255         void info(const char *format, ...);
00256 #endif
00257 
00262         inline void level(Level enable)
00263                 {_level = enable;};
00264 
00270         inline void clogEnable(bool f=true)
00271                 {_clogEnable = f;};
00272 
00273         inline Slog &warn(void)
00274                 {return operator()(Slog::levelWarning);};
00275 
00276         inline Slog &error(void)
00277                 {return operator()(Slog::levelError);};
00278 
00279         inline Slog &debug(void)
00280                 {return operator()(Slog::levelDebug);};
00281 
00282         inline Slog &emerg(void)
00283                 {return operator()(Slog::levelEmergency);};
00284 
00285         inline Slog &alert(void)
00286                 {return operator()(Slog::levelAlert);};
00287 
00288         inline Slog &critical(void)
00289                 {return operator()(Slog::levelCritical);};
00290 
00291         inline Slog &notice(void)
00292                 {return operator()(Slog::levelNotice);};
00293 
00294         inline Slog &info(void)
00295                 {return operator()(Slog::levelInfo);};
00296 
00297 };
00298 
00299 //#ifdef        CYGWIN_IMPORTS
00300 //extern __declspec(dllimport) Slog slog;
00301 //#else
00302 extern __EXPORT Slog    slog;
00303 //#endif
00304 
00305 #ifdef  CCXX_NAMESPACES
00306 }
00307 #endif
00308 
00309 #endif
00310 

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