FileLogger.h++

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/* ---------------------------------------------------------------------------
   commonc++ - A C++ Common Class Library
   Copyright (C) 2005-2014  Mark A Lindner

   This file is part of commonc++.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   ---------------------------------------------------------------------------
*/

#ifndef __ccxx_FileLogger_hxx
#define __ccxx_FileLogger_hxx

#include <commonc++/Common.h++>
#include <commonc++/File.h++>
#include <commonc++/IOException.h++>
#include <commonc++/Logger.h++>
#include <commonc++/String.h++>

namespace ccxx {

class COMMONCPP_API FileLogger : public Logger
{
 public:

  FileLogger(const String& format = "[%d %t] %m", size_t maxLogSize = 2048,
             uint_t rotateCount = 1);

  virtual ~FileLogger();

  virtual bool setFile(const String& dir, const String& name);

  void setMaxLogSize(size_t maxLogSize);

  void setRotateCount(uint_t rotateCount);

  static const uint_t MAX_ROTATE_COUNT;

 protected:

  virtual void openFile();

  virtual bool write(CharBuffer& buffer);

  bool _rotate();

  int64_t _maxFileSize;
  size_t _maxLogSize;
  size_t _curLogSize;
  uint_t _rotateCount;

  File* _file;
  String _dir;
  String _name;
};

} // namespace ccxx

#endif // __ccxx_FileLogger_hxx