KOALA.H

/* 
 * KOALA.H 
 * Koala Object for EXE Servers, Chapter 6 
 * 
 * Classes that implement an object with IExternalConnection. 
 * 
 * Copyright (c)1993-1995 Microsoft Corporation, All Right Reserved 
 * 
 * Kraig Brockschmidt, Microsoft 
 * Internet  :  kraigb@microsoft.com 
 * Compuserve:  >INTERNET:kraigb@microsoft.com 
 */ 
 
 
#ifndef _KOALA_H_ 
#define _KOALA_H_ 
 
#define CHAPTER6 
#include <inole.h> 
 
//KOALA.CPP 
 
//CHAPTER6MOD 
class CImpIPersist; 
typedef CImpIPersist *PCImpIPersist; 
 
class CKoala : public IExternalConnection 
//End CHAPTER6MOD 
    { 
    protected: 
        ULONG           m_cRef;         //Object reference count 
        LPUNKNOWN       m_pUnkOuter;    //Controlling unknown 
        PFNDESTROYED    m_pfnDestroy;   //To call on closure 
 
        //CHAPTER6MOD 
        DWORD           m_cStrong;      //Strong lock count 
        DWORD           m_cWeak;        //Weak lock count 
 
        PCImpIPersist   m_pImpIPersist; //Another interface 
        //End CHAPTER6MOD 
 
    public: 
        CKoala(LPUNKNOWN, PFNDESTROYED); 
        ~CKoala(void); 
 
        BOOL Init(void); 
 
        //Non-delegating object IUnknown 
        STDMETHODIMP         QueryInterface(REFIID, PPVOID); 
        STDMETHODIMP_(ULONG) AddRef(void); 
        STDMETHODIMP_(ULONG) Release(void); 
 
        //CHAPTER6MOD 
        STDMETHODIMP_(DWORD) AddConnection(DWORD, DWORD); 
        STDMETHODIMP_(DWORD) ReleaseConnection(DWORD, DWORD, BOOL); 
        //End CHAPTER6MOD 
    }; 
 
typedef CKoala *PCKoala; 
 
 
//CHAPTER6MOD 
 
class CImpIPersist : public IPersist 
    { 
    protected: 
        ULONG           m_cRef;      //Interface reference count 
        PCKoala         m_pObj;      //Back pointer to the object 
        LPUNKNOWN       m_pUnkOuter; //For delegation 
 
    public: 
        CImpIPersist(PCKoala, LPUNKNOWN); 
        ~CImpIPersist(void); 
 
        STDMETHODIMP QueryInterface(REFIID, LPVOID *); 
        STDMETHODIMP_(ULONG) AddRef(void); 
        STDMETHODIMP_(ULONG) Release(void); 
 
        STDMETHODIMP GetClassID(LPCLSID); 
    }; 
 
//End CHAPTER6MOD 
 
#endif //_KOALA_H_