source: source/ariba/utility/misc/Demultiplexer.hpp@ 3057

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#ifndef DEMULTIPLEXER_H__

#define DEMULTIPLEXER_H__



#include <list>

#include <iostream>

#include <map>

#include <boost/thread/mutex.hpp>

#include <boost/foreach.hpp>

#include "ariba/utility/messages/Message.h"



using std::cout;

using std::list;

using std::map;

using std::pair;

using ariba::utility::Message;



namespace ariba {

namespace utility {



template<typename S, typename T>

class Demultiplexer

{

private:



        typedef map<S,T>                                        SERVICE_LISTENER_MAP;

        typedef pair<S,T>                                       SERVICE_LISTENER_PAIR;

        typedef typename SERVICE_LISTENER_MAP::iterator         SERVICE_LISTENER_MAP_ITERATOR;

        typedef typename SERVICE_LISTENER_MAP::const_iterator   SERVICE_LISTENER_MAP_CITERATOR;



        typedef map<T,S>                                        LISTENER_SERVICE_MAP;

        typedef pair<T,S>                                       LISTENER_SERVICE_PAIR;

        typedef typename LISTENER_SERVICE_MAP::iterator         LISTENER_SERVICE_MAP_ITERATOR;

        typedef typename LISTENER_SERVICE_MAP::const_iterator   LISTENER_SERVICE_MAP_CITERATOR;



        SERVICE_LISTENER_MAP                                    mapServiceListener;

        LISTENER_SERVICE_MAP                                    mapListenerService;

        boost::mutex                                            mapMutex;



        void debugprint() {

                cout << "-------------start--------" << std::endl;

                {

                        LISTENER_SERVICE_MAP_CITERATOR i = mapListenerService.begin();

                        LISTENER_SERVICE_MAP_CITERATOR iend = mapListenerService.end();

                        

                        for( ; i != iend; i++ )

                                cout << "xxx" << i->first.toString() << " -> " << i->second << std::endl;

                }

                cout << "-----------------------" << std::endl;

                {

                        SERVICE_LISTENER_MAP_CITERATOR i = mapServiceListener.begin();

                        SERVICE_LISTENER_MAP_CITERATOR iend = mapServiceListener.end();

                        

                        for( ; i != iend; i++ )

                                cout << "xxx" << i->first << " -> " << i->second.toString() << std::endl;

                }

                cout << "-------------end---------" << std::endl;

        }



public:



        Demultiplexer() {

        }



        ~Demultiplexer() {

        }



        void registerItem( S id, T listener ) {

                boost::mutex::scoped_lock lock( mapMutex );



                mapServiceListener.insert( SERVICE_LISTENER_PAIR( id, listener ) );

                mapListenerService.insert( LISTENER_SERVICE_PAIR( listener, id ) );

        }



        void unregisterItem( S id ) {

                T listener = get( id );

                

                {

                        boost::mutex::scoped_lock lock( mapMutex );

                        mapServiceListener.erase( id );

                        mapListenerService.erase( listener );

                }

        }



        void unregisterItem( T listener ) {

                S id = get( listener );

                unregisterItem( id );

        }



        S get( T listener ) {

                boost::mutex::scoped_lock lock( mapMutex );



                LISTENER_SERVICE_MAP_CITERATOR it = mapListenerService.find( listener );

                return it->second;

        }



        T get( S id ) {

                boost::mutex::scoped_lock lock( mapMutex );



                SERVICE_LISTENER_MAP_CITERATOR it = mapServiceListener.find( id );

                if( it == mapServiceListener.end() )    return NULL;

                else                                    return it->second;

        }



        bool contains( T listener ) {

                boost::mutex::scoped_lock lock( mapMutex );



                LISTENER_SERVICE_MAP_CITERATOR it = mapListenerService.find( listener );

                return ( it != mapListenerService.end() );

        }



        bool contains( S id ) {

                boost::mutex::scoped_lock lock( mapMutex );



                SERVICE_LISTENER_MAP_CITERATOR it = mapServiceListener.find( id );

                return ( it != mapServiceListener.end() );

        }



        typedef list<S> OneList;

        typedef list<T> TwoList;



        OneList getOneList() {

                boost::mutex::scoped_lock lock( mapMutex );

                OneList ret;



                BOOST_FOREACH( SERVICE_LISTENER_PAIR i, mapServiceListener ){

                        ret.push_back( i.first );

                }



                return ret;

        }



        TwoList getTwoList() {

                boost::mutex::scoped_lock lock( mapMutex );

                TwoList ret;



                BOOST_FOREACH( SERVICE_LISTENER_PAIR  i, mapServiceListener ){

                        ret.push_back( i.first );

                }



                return ret;

        }



};



}} // namespace ariba, common



#endif // DEMULTIPLEXER_H__