windows-nt/Source/XPSP1/NT/base/cluster/resdll/clnetres/clnetresex/clnetresex.cpp

/////////////////////////////////////////////////////////////////////////////
//
//	Copyright (c) 1999-2000 Microsoft Corporation
//
//	Module Name:
//		ClNetResEx.cpp
//
//	Description:
//		Implementation of the CClNetResApp class and DLL initialization
//		routines.
//
//	Author:
//		David Potter (DavidP)	March 24, 1999
//
//	Revision History:
//
//	Notes:
//
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include <initguid.h>
#include <CluAdmEx.h>
#include "ClNetResEx.h"
#include "ExtObj.h"
#include "BasePage.h"
#include "RegExt.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

#define IID_DEFINED
#include "ExtObjID_i.c"

CComModule _Module;

#pragma warning( disable : 4701 ) // local variable may be used without having been initialized
#include <atlimpl.cpp>
#pragma warning( default : 4701 )

BEGIN_OBJECT_MAP( ObjectMap )
	OBJECT_ENTRY( CLSID_CoClNetResEx, CExtObject )
END_OBJECT_MAP()

/////////////////////////////////////////////////////////////////////////////
// Global Function Prototypes
/////////////////////////////////////////////////////////////////////////////

STDAPI DllCanUnloadNow( void );
STDAPI DllGetClassObject( REFCLSID rclsid, REFIID riid, LPVOID * ppv );
STDAPI DllRegisterServer( void );
STDAPI DllUnregisterServer( void );
STDAPI DllRegisterCluAdminExtension( IN HCLUSTER hcluster );
STDAPI DllUnregisterCluAdminExtension( IN HCLUSTER hcluster );

/////////////////////////////////////////////////////////////////////////////
// class CClNetResApp
/////////////////////////////////////////////////////////////////////////////

class CClNetResApp : public CWinApp
{
public:
	virtual BOOL InitInstance();
	virtual int ExitInstance();

}; //*** class CClNetResApp

/////////////////////////////////////////////////////////////////////////////
// The one and only CClNetResApp object

CClNetResApp theApp;

/////////////////////////////////////////////////////////////////////////////
//++
//
//	CClNetResApp::InitInstance
//
//	Description:
//		Initialize this instance of the application.
//
//	Arguments:
//		None.
//
//	Return Value:
//		Any return codes from CWinApp::InitInstance().
//
//--
/////////////////////////////////////////////////////////////////////////////
BOOL CClNetResApp::InitInstance( void )
{
	// Construct the help path.
	{
		TCHAR szPath[_MAX_PATH];
		TCHAR szDrive[_MAX_PATH];
		TCHAR szDir[_MAX_DIR];
		int cchPath;
		VERIFY(::GetSystemWindowsDirectory(szPath, _MAX_PATH));
		cchPath = lstrlen(szPath);
		if (szPath[cchPath - 1] != _T('\\'))
		{
			szPath[cchPath++] = _T('\\');
			szPath[cchPath] = _T('\0');
		} // if: no backslash on the end of the path
		lstrcpy(&szPath[cchPath], _T("Help\\"));
		_tsplitpath(szPath, szDrive, szDir, NULL, NULL);
		_tmakepath(szPath, szDrive, szDir, _T("cluadmin"), _T(".hlp"));
		free((void *) m_pszHelpFilePath);
		BOOL bEnable;
		bEnable = AfxEnableMemoryTracking(FALSE);
		m_pszHelpFilePath = _tcsdup(szPath);
		AfxEnableMemoryTracking(bEnable);
	}  // Construct the help path

	_Module.Init( ObjectMap, m_hInstance );
	return CWinApp::InitInstance();

}  //*** CClNetResApp::InitInstance()

/////////////////////////////////////////////////////////////////////////////
//++
//
//	CClNetResApp::ExitInstance
//
//	Description:
//		Deinitialize this instance of the application.
//
//	Arguments:
//		None.
//
//	Return Value:
//		Any return codes from CWinApp::ExitInstance().
//
//--
/////////////////////////////////////////////////////////////////////////////
int CClNetResApp::ExitInstance( void )
{
	_Module.Term();
	return CWinApp::ExitInstance();

}  //*** CClNetResApp::ExitInstance()

/////////////////////////////////////////////////////////////////////////////
//++
//
//	FormatError
//
//	Description:
//		Format an error.
//
//	Arguments:
//		rstrError	[OUT] String in which to return the error message.
//		dwError		[IN] Error code to format.
//
//	Return Value:
//		None.
//
//--
/////////////////////////////////////////////////////////////////////////////
void FormatError( CString & rstrError, DWORD dwError )
{
	DWORD		_cch;
	TCHAR		_szError[ 512 ];

	_cch = ::FormatMessage(
					FORMAT_MESSAGE_FROM_SYSTEM,
					NULL,
					dwError,
					MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL),
					_szError,
					sizeof( _szError ) / sizeof( TCHAR ),
					0
					);
	if ( _cch == 0 )
	{
		// Format the NT status code from NTDLL since this hasn't been
		// integrated into the system yet.
		_cch = ::FormatMessage(
						FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_IGNORE_INSERTS,
						::GetModuleHandle( _T("NTDLL.DLL") ),
						dwError,
						MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ),
						_szError,
						sizeof( _szError ) / sizeof( TCHAR ),
						0
						);
	}  // if:  error formatting status code from system

	if ( _cch != 0 )
	{
		rstrError = _szError;
	} // if:  error occurred
	else
	{

#ifdef _DEBUG

		DWORD _sc = GetLastError();

		TRACE( _T("FormatError() - Error 0x%08.8x formatting string for error code 0x%08.8x\n"), _sc, dwError );

#endif

		rstrError.Format( _T("Error 0x%08.8x"), dwError );

	}  // else:  error formatting the message

}  //*** FormatError()

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

STDAPI DllCanUnloadNow( void )
{
	AFX_MANAGE_STATE( AfxGetStaticModuleState() );
	return ( AfxDllCanUnloadNow() && _Module.GetLockCount() == 0 ) ? S_OK : S_FALSE;

}  //*** DllCanUnloadNow()

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

STDAPI DllGetClassObject( REFCLSID rclsid, REFIID riid, LPVOID * ppv )
{
	return _Module.GetClassObject( rclsid, riid, ppv );

}  //*** DllGetClassObject()

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

STDAPI DllRegisterServer( void )
{
	HRESULT hRes = S_OK;
	// registers object, typelib and all interfaces in typelib
	hRes = _Module.RegisterServer( FALSE /*bRegTypeLib*/ );
	return hRes;

}  //*** DllRegisterServer()

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

STDAPI DllUnregisterServer( void )
{
	HRESULT hRes = S_OK;
	_Module.UnregisterServer();
	return hRes;

}  //*** DllUnregisterServer()

/////////////////////////////////////////////////////////////////////////////
//++
//
//	DllRegisterCluAdminExtension
//
//	Description:
//		Register the extension with the cluster database.
//
//	Arguments:
//		hCluster		[IN] Handle to the cluster to modify.
//
//	Return Value:
//		S_OK			Extension registered successfully.
//		Win32 error code if another failure occurred.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDAPI DllRegisterCluAdminExtension( IN HCLUSTER hCluster )
{
	HRESULT		hr;
	HRESULT		hrReturn = S_OK;
	LPCWSTR		pwszResTypes = g_wszResourceTypeNames;

	while ( *pwszResTypes != L'\0' )
	{
		wprintf( L"  %s\n", pwszResTypes );
		hr = RegisterCluAdminResourceTypeExtension(
					hCluster,
					pwszResTypes,
					&CLSID_CoClNetResEx
					);
		if ( hr != S_OK )
		{
			hrReturn = hr;
		} // if:  error registering the extension
		pwszResTypes += lstrlenW( pwszResTypes ) + 1;
	}  // while:  more resource types

	return hrReturn;

}  //*** DllRegisterCluAdminExtension()

/////////////////////////////////////////////////////////////////////////////
//++
//
//	DllUnregisterCluAdminExtension
//
//	Description:
//		Unregister the extension with the cluster database.
//
//	Arguments:
//		hCluster		[IN] Handle to the cluster to modify.
//
//	Return Value:
//		S_OK			Extension unregistered successfully.
//		Win32 error code if another failure occurred.
//
//--
/////////////////////////////////////////////////////////////////////////////
STDAPI DllUnregisterCluAdminExtension( IN HCLUSTER hCluster )
{
	HRESULT		hr;
	HRESULT		hrReturn = S_OK;
	LPCWSTR		pwszResTypes = g_wszResourceTypeNames;

	while ( *pwszResTypes != L'\0' )
	{
		wprintf( L"  %s\n", pwszResTypes );
		hr = UnregisterCluAdminResourceTypeExtension(
					hCluster,
					pwszResTypes,
					&CLSID_CoClNetResEx
					);
		if ( hr != S_OK )
		{
			hrReturn = hr;
		} // if:  error unregistering the extension
		pwszResTypes += lstrlenW( pwszResTypes ) + 1;
	}  // while:  more resource types

	return hrReturn;

}  //*** DllUnregisterCluAdminExtension()