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slog.h

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// Copyright (C) 1999-2002 Open Source Telecom Corporation.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 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 General Public License for more details.
//
// You should have received a copy of the GNU 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.
//
// As a special exception to the GNU General Public License, permission is
// granted for additional uses of the text contained in its release
// of Common C++.
//
// The exception is that, if you link the Common C++ library with other
// files to produce an executable, this does not by itself cause the
// resulting executable to be covered by the GNU General Public License.
// Your use of that executable is in no way restricted on account of
// linking the Common C++ library code into it.
//
// This exception does not however invalidate any other reasons why
// the executable file might be covered by the GNU General Public License.
//
// This exception applies only to the code released under the
// name Common C++.  If you copy code from other releases into a copy of
// Common C++, as the General Public License permits, the exception does
// not apply to the code that you add in this way.  To avoid misleading
// anyone as to the status of such modified files, you must delete
// this exception notice from them.
//
// If you write modifications of your own for Common C++, it is your choice
// whether to permit this exception to apply to your modifications.
// If you do not wish that, delete this exception notice.

#ifndef CCXX_SLOG_H_
#define CCXX_SLOG_H_

#ifndef CCXX_CONFIG_H_
#include <cc++/config.h>
#endif

#ifndef CCXX_THREAD_H_
#include <cc++/thread.h>
#endif

#include <fstream>
#include <iostream>

#ifdef  CCXX_NAMESPACES
namespace ost {
#endif


#if defined(__KCC)
#define ostream ostream_withassign
#endif
class CCXX_CLASS_EXPORT Slog : protected std::streambuf, public std::ostream
{
public:
        typedef enum Class
        {
                classSecurity,
                classAudit,
                classDaemon,
                classUser,
                classDefault,
                classLocal0,
                classLocal1,
                classLocal2,
                classLocal3,
                classLocal4,
                classLocal5,
                classLocal6,
                classLocal7
        } Class;

        typedef enum Level
        {
                levelEmergency = 1,
                levelAlert,
                levelCritical,
                levelError,
                levelWarning,
                levelNotice,
                levelInfo,
                levelDebug
        } Level;

private:
#ifndef HAVE_SYSLOG_H
        Mutex lock;
        std::ofstream syslog;
#endif
        int priority;
        Level  _level;
        bool _enable;
        bool _clogEnable;

protected:
        int overflow(int c);

public:
        Slog(void);

        virtual ~Slog(void);

        void close(void);

        void open(const char *ident, Class grp = classUser);

        Slog &operator()(const char *ident, Class grp = classUser,
                         Level level = levelError);

        Slog &operator()(Level level, Class grp = classDefault);

        Slog &operator()(void);

        inline void level(Level enable)
                {_level = enable;};

        inline void clogEnable(bool f=true)
                {_clogEnable = f;};
};

#ifdef  CYGWIN_IMPORTS
extern __declspec(dllimport) Slog slog;
#else
extern CCXX_EXPORT(Slog)        slog;
#endif

#ifdef  CCXX_NAMESPACES
};
#endif

#endif

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