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slog.h

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00001 // Copyright (C) 1999-2001 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 
00041 #ifndef __CCXX_SLOG_H__
00042 #define __CCXX_SLOG_H__
00043 
00044 #ifndef CCXX_CONFIG_H_
00045 #include <cc++/config.h>
00046 #endif
00047 
00048 #ifndef __CCXX_THREAD_H__
00049 #include <cc++/thread.h>
00050 #endif
00051 
00052 #include <fstream>
00053 #include <iostream>
00054 #include <strstream>
00055 
00056 #ifdef  CCXX_NAMESPACES
00057 namespace ost {
00058 #endif
00059 
00060 enum slog_class_t
00061 {
00062         SLOG_SECURITY,
00063         SLOG_AUDIT,
00064         SLOG_DAEMON,
00065         SLOG_USER,
00066         SLOG_DEFAULT
00067 };
00068 typedef enum slog_class_t slog_class_t;
00069 
00070 enum slog_level_t
00071 {
00072         SLOG_EMERGENCY = 1,
00073         SLOG_ALERT,
00074         SLOG_CRITICAL,
00075         SLOG_ERROR,
00076         SLOG_WARNING,
00077         SLOG_NOTICE,
00078         SLOG_INFO,
00079         SLOG_DEBUG
00080 };
00081 typedef enum slog_level_t slog_level_t;
00082 
00124 #if defined(STLPORT) || defined(__KCC)
00125 #define ostream ostream_withassign
00126 #endif
00127 class CCXX_CLASS_EXPORT Slog : public std::streambuf, public std::ostream
00128 {
00129 private:
00130 #ifndef HAVE_SYSLOG_H
00131         Mutex lock;
00132         std::ofstream syslog;
00133 #endif
00134         int priority;
00135         slog_level_t  _level;
00136         bool _enable;
00137         bool _clogEnable;
00138 
00139 protected:
00145         int overflow(int c);
00146 
00147 public:
00155         Slog(void);
00156 
00157         virtual ~Slog(void);
00158 
00159         void close(void);
00160 
00166         void open(const char *ident, slog_class_t grp = SLOG_USER);
00167 
00174         Slog &operator()(const char *ident, slog_class_t grp = SLOG_USER, 
00175                          slog_level_t level = SLOG_ERROR);
00176 
00182         Slog &operator()(slog_level_t level, slog_class_t = SLOG_DEFAULT);
00183 
00187         Slog &operator()(void); 
00188 
00193         inline void level(slog_level_t enable)
00194                 {_level = enable;};
00195 
00201         inline void clogEnable(bool f=true)
00202                 {_clogEnable = f;};
00203 };
00204 
00205 extern Slog     slog;
00206 
00207 #ifdef  CCXX_NAMESPACES
00208 };
00209 #endif
00210 
00211 #endif
00212 

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