MemorySnooper.h

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#ifndef MemorySnooper_H
#define MemorySnooper_H
 
#include <sys/types.h>
#include <unistd.h>
 
#include <string>
#include <fstream>
#include <sstream>
 
class MemorySnooper {
public:
    MemorySnooper(std::string where)
    {
        int pid=getpid();
        std::ostringstream is;
        is<<pid;
        std::string spid=is.str();
        std::string temp="cat /proc/"+spid+"/status | grep VmSize > mem.txt";
        system(temp.c_str());
        std::ifstream in("mem.txt");
        std::string text,mem,text1;
            in>>text>>mem>>text1;
        system("rm -f mem.txt");
        float memsize=atof(mem.c_str());
        imem=int(memsize);
        std::cout<<"*****************************************************"<<std::endl
                 <<"*                                                   *"<<std::endl
             <<"  Memory snooper called here "<<where<<std::endl
             <<"  process size at this point (VmMem): "<<imem<<" kBytes"<<std::endl
             <<"*                                                   *"<<std::endl
             <<"*****************************************************"<<std::endl;
    }
    int GetMemorySize() const {return imem;}
private:
    int imem;
};
 
#endif