slog.h

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00001 // Copyright (C) 1999-2005 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, you may use this file as part of a free software
00018 // library without restriction.  Specifically, if other files instantiate
00019 // templates or use macros or inline functions from this file, or you compile
00020 // this file and link it with other files to produce an executable, this
00021 // file does not by itself cause the resulting executable to be covered by
00022 // the GNU General Public License.  This exception does not however
00023 // invalidate any other reasons why the executable file might be covered by
00024 // the GNU General Public License.
00025 //
00026 // This exception applies only to the code released under the name GNU
00027 // Common C++.  If you copy code from other releases into a copy of GNU
00028 // Common C++, as the General Public License permits, the exception does
00029 // not apply to the code that you add in this way.  To avoid misleading
00030 // anyone as to the status of such modified files, you must delete
00031 // this exception notice from them.
00032 //
00033 // If you write modifications of your own for GNU Common C++, it is your choice
00034 // whether to permit this exception to apply to your modifications.
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00036 //
00037 
00043 #ifndef CCXX_SLOG_H_
00044 #define CCXX_SLOG_H_
00045 
00046 #ifndef CCXX_MISSING_H_
00047 #include <cc++/missing.h>
00048 #endif
00049 
00050 #ifndef CCXX_THREAD_H_
00051 #include <cc++/thread.h>
00052 #endif
00053 
00054 #ifndef HAVE_SYSLOG_H
00055 #include <cstdio>
00056 #endif
00057 
00058 #ifdef  CCXX_NAMESPACES
00059 namespace ost {
00060 #endif
00061 
00103 class __EXPORT Slog : protected std::streambuf, public std::ostream
00104 {
00105 public:
00106         typedef enum Class {
00107                 classSecurity,
00108                 classAudit,
00109                 classDaemon,
00110                 classUser,
00111                 classDefault,
00112                 classLocal0,
00113                 classLocal1,
00114                 classLocal2,
00115                 classLocal3,
00116                 classLocal4,
00117                 classLocal5,
00118                 classLocal6,
00119                 classLocal7
00120         } Class;
00121 
00122         typedef enum Level {
00123                 levelEmergency = 1,
00124                 levelAlert,
00125                 levelCritical,
00126                 levelError,
00127                 levelWarning,
00128                 levelNotice,
00129                 levelInfo,
00130                 levelDebug
00131         } Level;
00132 
00133 private:
00134 #ifndef HAVE_SYSLOG_H
00135         Mutex lock;
00136         FILE *syslog;
00137 #endif
00138         int priority;
00139         Level  _level;
00140         bool _enable;
00141         bool _clogEnable;
00142 
00143         ThreadImpl *getPriv(void);
00144 
00145 protected:
00151         int overflow(int c);
00152 
00153 public:
00161         Slog(void);
00162 
00163         virtual ~Slog(void);
00164 
00165         void close(void);
00166 
00172         void open(const char *ident, Class grp = classUser);
00173 
00180         Slog &operator()(const char *ident, Class grp = classUser,
00181                          Level level = levelError);
00182 
00188         Slog &operator()(Level level, Class grp = classDefault);
00189 
00193         Slog &operator()(void);
00194 
00195 #ifdef  HAVE_SNPRINTF
00196 
00201         void error(const char *format, ...);
00202 
00208         void warn(const char *format, ...);
00209 
00215         void debug(const char *format, ...);
00216 
00222         void emerg(const char *format, ...);
00223 
00229         void alert(const char *format, ...);
00230 
00236         void critical(const char *format, ...);
00237 
00243         void notice(const char *format, ...);
00244 
00250         void info(const char *format, ...);
00251 #endif
00252 
00257         inline void level(Level enable)
00258                 {_level = enable;};
00259 
00265         inline void clogEnable(bool f=true)
00266                 {_clogEnable = f;};
00267 
00268         inline Slog &warn(void)
00269                 {return operator()(Slog::levelWarning);};
00270 
00271         inline Slog &error(void)
00272                 {return operator()(Slog::levelError);};
00273 
00274         inline Slog &debug(void)
00275                 {return operator()(Slog::levelDebug);};
00276 
00277         inline Slog &emerg(void)
00278                 {return operator()(Slog::levelEmergency);};
00279 
00280         inline Slog &alert(void)
00281                 {return operator()(Slog::levelAlert);};
00282 
00283         inline Slog &critical(void)
00284                 {return operator()(Slog::levelCritical);};
00285 
00286         inline Slog &notice(void)
00287                 {return operator()(Slog::levelNotice);};
00288 
00289         inline Slog &info(void)
00290                 {return operator()(Slog::levelInfo);};
00291 
00292 };
00293 
00294 //#ifdef        CYGWIN_IMPORTS
00295 //extern __declspec(dllimport) Slog slog;
00296 //#else
00297 extern __EXPORT Slog    slog;
00298 //#endif
00299 
00300 #ifdef  CCXX_NAMESPACES
00301 }
00302 #endif
00303 
00304 #endif
00305 

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