lowPriorityWriter.hpp

/*
  ANCH Framework: ANother C++ Hack is a C++ framework based on C++11 standard
  Copyright (C) 2012 Vincent Lachenal
 
  This file is part of ANCH Framework.
 
  ANCH Framework is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  ANCH Framework 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 Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public License
  along with ANCH Framework.  If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
 
#include <iostream>
#include <queue>
#include <mutex>
#include <thread>
 
#include "logger/writer.hpp"
 
 
namespace anch {
  namespace logger {

    class LowPriorityWriter: public Writer {
 
      // Attributes +
    private:
      std::queue<std::string> _messages;

      bool _running;

      std::thread* _thread;

      std::mutex _mutex;
      // Attributes -
 
    public:
      // Constructors +
      LowPriorityWriter(const std::string& fileName,
                        const std::string& linePattern,
                        unsigned int maxSize = 0,
                        int maxIndex = 0);

      LowPriorityWriter(std::ostream* output, const std::string& linePattern);
      // Constructors -
 
      // Destructor +
      virtual ~LowPriorityWriter();
      // Destructor -
 
 
      // Method +
    public:
      virtual void write(const std::string& category,
                         const anch::logger::Level& level,
                         const std::string& message);

      void startTreatment();
 
    private:
      void process();
      // Method -
 
    };
 
  }
}