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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
#ifndef SHADOWCOPY_H
#define SHADOWCOPY_H
#ifdef SHADOWDLL_EXPORTS
#define SHADOWDLL_API extern "C" __declspec(dllexport)
#else
#define SHADOWDLL_API extern "C" __declspec(dllimport)
#endif
#include <zen/build_info.h>
#include <zen/win_ver.h>
class IVssBackupComponents;
namespace shadow
{
/*--------------
|declarations|
--------------*/
//COM needs to be initialized before calling any of these functions! CoInitializeEx/CoUninitialize
struct ShadowData;
typedef ShadowData* ShadowHandle;
//volumeName *must* end with "\"
SHADOWDLL_API
ShadowHandle createShadowCopy(const wchar_t* volumeName, // in Returns nullptr on failure!
wchar_t* errorMessage, // out
unsigned int errorBufferLen); // in
//don't forget to release the backupHandle after shadow copy is not needed anymore!
SHADOWDLL_API
void releaseShadowCopy(ShadowHandle handle);
SHADOWDLL_API
void getShadowVolume(ShadowHandle handle, //shadowVolName does *not* end with "\"
wchar_t* buffer,
unsigned int bufferLen);
//##########################################################################################
/*----------
|typedefs|
----------*/
typedef ShadowHandle (*CreateShadowCopyFct)(const wchar_t* volumeName,
wchar_t* errorMessage,
unsigned int errorBufferLen);
typedef void (*ReleaseShadowCopyFct)(ShadowHandle handle);
typedef void (*GetShadowVolumeFct)(ShadowHandle handle,
wchar_t* buffer,
unsigned int bufferLen);
/*--------------
|symbol names|
--------------*/
//(use const pointers to ensure internal linkage)
const char createShadowCopyFctName [] = "createShadowCopy";
const char releaseShadowCopyFctName[] = "releaseShadowCopy";
const char getShadowVolumeFctName [] = "getShadowVolume";
/*---------------
|library names|
---------------*/
inline
const wchar_t* getDllName()
{
// distinguish a bunch of VSS builds: we use XP, Server 2003 and Server 2008 R2 implementations...
// VSS version and compatibility overview: http://msdn.microsoft.com/en-us/library/aa384627(VS.85).aspx
if (zen::win7OrLater()) //Windows Server 2008 R2 or Windows 7
return zen::is64BitBuild ?
L"Shadow_Windows7_x64.dll" :
L"Shadow_Windows7_Win32.dll";
//else if (vistaOrLater()) -> skip Windows Server 2008 and Windows Vista
// ;
else if (zen::winServer2003orLater()) //Windows Server 2003 and Windows Server 2003 R2
return zen::is64BitBuild ?
L"Shadow_Server2003_x64.dll" :
L"Shadow_Server2003_Win32.dll";
else //Windows XP
return zen::is64BitBuild ?
L"Shadow_XP_x64.dll" :
L"Shadow_XP_Win32.dll";
}
}
#endif //SHADOWCOPY_H
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