PingControl.h

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/*
 * Copyright 2014 Martin Hansen
 *
 * This file is part of SPAOP (Spatial Audio Object Positioner).
 * 
 * SPAOP 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 3 of the License, or
 * (at your option) any later version.
 * 
 * SPAOP 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 SPAOP.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef PINGCONTROL_H_INCLUDED
#define PINGCONTROL_H_INCLUDED

#include <memory>

#include "ConnectionTimer.h"
#include "PingControl.h"
#include "WonderHeader.h"

#define MAX_PINGS_LOST 5

namespace wonder {

class PingControl   :   public ConnectionTimer::Listener
{
public:
    
    class Listener
    {
    public:
        
        virtual ~Listener(){}
        
        virtual void connectionLost(const int connectionID) = 0;
    };

    PingControl(ConnectionTimer::Factory* timerFactory,
                Listener* listener, const int connectionID,
                const int maxLost=MAX_PINGS_LOST);
    
    virtual ~PingControl();
    
    void start();
    
    void stop();
    
    void onPing();
    
private:
    
    PingControl();
    PingControl(const PingControl& other);
    PingControl &operator= (const PingControl& other);
    
    std::unique_ptr<ConnectionTimer> timer_;
    Listener* listener_;
    const int connectionID_;
    const int maxLost_;
    int lostCount_;
    
    
    //==============================================================================
    //vvvvv  Implementing ConnectionTimer::Listener
    
    void onTimeout();
};

}

#endif  // PINGCONTROL_H_INCLUDED