filelog.h

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// OSB library ************************************************ -*- C++ -*-
/*
  AUTHOR(S): Stephan Broennimann (vb)

  RCS information
   $Name: OSB_060808 $
   $Revision: 1.14 $

  License
   OSB rating and billing library for communication networks
   Copyright (C) 2004, 2005, 2006  OSB systems

   This file may be distributed and/or modify under the terms of the
   GNU General Public License (GPL) as published by the Free Software
   Foundation which is provided in the file LICENSE.GPL included in the
   packaging of this file.

   The file 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.

   Holders of a OSB Commercial License may use this file under the terms
   and conditions of this commercial license.
 */
#ifndef _FILELOG_H_
#define _FILELOG_H_

// ************************************************************************
// included header files
// + standard includes
#include <fstream>
#include <sstream>

// + libraries

// + local headers
#include "osblog.h"

// + class declarations

// ************************************************************************
// namespace extensions
namespace OSB_APP {

// ************************************************************************
// forward declarations

// ************************************************************************
// type definitions

// ************************************************************************
// class definitions
    class FileLogBase : public OSB_LIB::LogBase {
    public:
        explicit FileLogBase(int logLevel);
        virtual ~FileLogBase() = 0;
    private:
        FileLogBase(const FileLogBase&);
        FileLogBase& operator==(const FileLogBase&);

    public:


        LogBase& nl();
        void elog();
        void endlog();
        LogBase& head(char);

    public:


        int logLevel() const;
        bool verbose() const;
        std::string tempBuf() const;
        std::string path() const;

        void setLevel(int logLevel);
        void setVerbose(bool on);
        bool open(
            const std::string&       name,
            const std::string&       dir,
                  std::ios::openmode mode,
                  bool               flush = true
        );

        bool create(
            const std::string& app,
            const std::string& dir,
                  bool         flush = true
        );

        bool append(
            const std::string& name,
            const std::string& dir,
                  bool         flush = true
        );
        bool close();
        bool flushTemp();
        void clearTemp();

    private:
        virtual void lock() const;
        virtual void unlock() const;

    private:

        std::string tempBufUl() const;

        bool openUl(
            const std::string&       name,
            const std::string&       dir,
                  std::ios::openmode mode,
                  bool               flush
        );

        bool createUl(
            const std::string& app,
            const std::string& dir,
                  bool         flush
        );

        bool closeUl();

        bool flushTempUl();
        void clearTempUl();

    private:
        LogBase& start(int level, bool noHead);

        LogBase& init(const char* what);

        std::ostream& plog();
        std::ostream* slog();

    private:
        std::ofstream os_;
        std::string path_;

        bool useCerr_;

        std::ostringstream ts_;
    };                                  // class FileLogBase

    class FileLog : public FileLogBase {
    public:
        explicit FileLog(int logLevel = 4);
    private:
        FileLog(const FileLog&);
        FileLog& operator==(const FileLog&);
    };                                  // class FileLog
}                                       // namespace OSB_APP

// ************************************************************************
// inline definitions
namespace OSB_APP {
}                                       // namespace OSB_APP
#endif                                  // #ifndef _FILELOG_H_

---