C++实现单例模式的一个实例

#ifndef __IPERF_COLLECTION_H__

#define __IPERF_COLLECTION_H__



#include <map>

#include <pthread.h>

#include "macros.h"



using namespace std;



typedef void ( * port_performance_calback_t ) ( void * data ) ;



template<typename T>

class Singleton{

public:

    static T& get_instance(){

        static T instance;

        return instance;

    }

        

    virtual ~Singleton(){

        std::cout<<"destructor called!"<<std::endl;

    }

        

    Singleton(const Singleton&)=delete;

    Singleton& operator =(const Singleton&)=delete;

        

protected:

    Singleton(){

        std::cout<<"constructor called!"<<std::endl;

    }



};





class IperfCollection:public       Singleton<IperfCollection> {

        friend class Singleton<IperfCollection>;

public:



        int Init(port_performance_calback_t cb);

        

private:



        int createFifo();

        int stringParsing(string str,int port);

        static void *iperfDataCollection(void *data);

        IperfCollection():_callback(NULL){}

        ~IperfCollection(){}

        

        pthread_t        _threadId;

        port_performance_calback_t _callback;

        

        map<int,string> _portFifo;

        map<int,int> _portFd;

};





#endif

Singleton(const Singleton&)=delete;

Singleton& operator =(const Singleton&)=delete;