MemorySnooper.h

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#ifndef MemorySnooper_H
#define MemorySnooper_H
 
#include <sys/types.h>
#include <unistd.h>
 
#include <fstream>
#include <sstream>
#include <string>
 
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