eventbus.h

/***************************************************************************
*   Copyright (C) 2005 by                                                 *
*   Pedro J. Fernandez Ruiz    pedroj.fernandez@dif.um.es                 *
*   Alejandro Perez Mendez     alejandro_perez@dif.um.es                  *
*                                                                         *
*   This library 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 2.1 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     *
*   Lesser General Public License for more details.                       *
*                                                                         *
*   You should have received a copy of the GNU Lesser General Public      *
*   License along with this library; if not, write to the Free Software   *
*   Foundation, Inc., 51 Franklin St, Fifth Floor,                        *
*   Boston, MA  02110-1301  USA                                           *
***************************************************************************/
#ifndef EVENTBUS_H
#define EVENTBUS_H

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <map>
#include <vector>
#include <memory>

#include "busevent.h"
#include "busobserver.h"
#include "mutex.h"

using namespace std;

namespace openikev2 {
    typedef vector<BusObserver*> BusObserverVector;

    class EventBus {

            /****************************** ENUMS ******************************/
        protected:
            map<BusEvent::EVENT_TYPE, BusObserverVector> event_observers;   
            auto_ptr<Mutex> map_mutex;                                      
            static EventBus* instance;                                      
            /****************************** METHODS ******************************/
        protected:
            EventBus();

        public:

            static EventBus& getInstance();

            void registerBusObserver( BusObserver& observer, BusEvent::EVENT_TYPE event_type );

            void removeBusObserver( BusObserver& observer );

            void sendBusEvent( auto_ptr<BusEvent> event );
            
            virtual ~EventBus();
    };
};
#endif

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