///////////////////////////////////////////////////////////////
//  derived1.cpp - provides part of protocol implementation  //
//  ver 1.1                                                  //
//                                                           //
//  The declarations in this file are not visible to client, //
//  who has access only to the protocol header file and      //
//  dynamic-link library resulting from building this file   //
//  along with derived2.cpp                                  //
///////////////////////////////////////////////////////////////

#define IN_DLL
#include <iostream>
#include "protocol.h"
using namespace std;

class derived1 : public protocol {

  public:
    int getInt() {
      cout << "\n  retrieving value " << privData 
           << " in derived1::getInt()";
      cout.flush();
      return privData;
    }
    void putInt(int i) {
      cout << "\n  storing value " << i 
           << " in derived1::putInt()";
      cout.flush();
      privData = i;
    }
    void kill() { 
      cout << "\n  calling protocol::kill()";
      cout.flush();
      delete this; 
    }

  private:
    int privData;
};

DLL_DECL protocol* protocol::make_d1() {
  cout << "\n  calling protocal::make_d1()";
  cout.flush();
  return new derived1;
}