/////////////////////////////////////////////////////////////////
//  Dispatch.cpp  - Implementation of DLL Exports.             //
//                                                             //
//  Platform:       Micron Dual Pentium 200, WinNT 4.0, SP3    //
//  Application:    Demonstration for CSE791 - Distrib. Objs   //
//  Authors:        Eddon & Eddon, Inside Distributed COM,     //
//                  Microsoft Press, 1998                      //
//  Modified:       Jim Fawcett, Syracuse Univ, CST 2-187      //
//                  (315) 443-3948, fawcett@ecs.syr.edu        //
/////////////////////////////////////////////////////////////////

// Note: Proxy/Stub Information
//      To build a separate proxy/stub DLL, 
//      run nmake -f Dispatch1ps.mk in the project directory.

#include "stdafx.h"
#include "resource.h"
#include <initguid.h>
#include <iostream>
#include <string>
#include "Dispatch1.h"
#include "Dispatch1_i.c"
#include "Sum.h"

CComModule _Module;

const std::string prefix = "  Component:\t\t";

BEGIN_OBJECT_MAP(ObjectMap)
OBJECT_ENTRY(CLSID_Sum, CSum)
END_OBJECT_MAP()

/////////////////////////////////////////////////////////////////////////////
// DLL Entry Point

extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
  if (dwReason == DLL_PROCESS_ATTACH)
  {
    std::cout << prefix + "loading dll" << std::endl;
    _Module.Init(ObjectMap, hInstance, &LIBID_DISPATCH1Lib);
    DisableThreadLibraryCalls(hInstance);
  }
  else if (dwReason == DLL_PROCESS_DETACH)
    _Module.Term();
  return TRUE;    // ok
}

/////////////////////////////////////////////////////////////////////////////
// Used to determine whether the DLL can be unloaded by OLE

STDAPI DllCanUnloadNow(void)
{
  std::cout << prefix + "unloading dll" << std::endl;
  return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
}

/////////////////////////////////////////////////////////////////////////////
// Returns a class factory to create an object of the requested type

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
  std::cout << prefix + "getting class factory" << std::endl;
  return _Module.GetClassObject(rclsid, riid, ppv);
}

/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registry

STDAPI DllRegisterServer(void)
{
  // registers object, typelib and all interfaces in typelib
  return _Module.RegisterServer(TRUE);
}

/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registry

STDAPI DllUnregisterServer(void)
{
  return _Module.UnregisterServer(TRUE);
}