mirror of https://gitee.com/openkylin/qemu.git
120 lines
3.2 KiB
C++
120 lines
3.2 KiB
C++
/*
|
|
* QEMU Guest Agent win32 VSS common declarations
|
|
*
|
|
* Copyright Hitachi Data Systems Corp. 2013
|
|
*
|
|
* Authors:
|
|
* Tomoki Sekiyama <tomoki.sekiyama@hds.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#ifndef VSS_COMMON_H
|
|
#define VSS_COMMON_H
|
|
|
|
#define __MIDL_user_allocate_free_DEFINED__
|
|
#include <windows.h>
|
|
#include <shlwapi.h>
|
|
|
|
/* Reduce warnings to include vss.h */
|
|
|
|
/* Ignore annotations for MS IDE */
|
|
#define __in IN
|
|
#define __out OUT
|
|
#define __RPC_unique_pointer
|
|
#define __RPC_string
|
|
#define __RPC__deref_inout_opt
|
|
#define __RPC__out
|
|
#ifndef __RPC__out_ecount_part
|
|
#define __RPC__out_ecount_part(x, y)
|
|
#endif
|
|
#define _declspec(x)
|
|
#undef uuid
|
|
#define uuid(x)
|
|
|
|
/* Undef some duplicated error codes redefined in vss.h */
|
|
#undef VSS_E_BAD_STATE
|
|
#undef VSS_E_PROVIDER_NOT_REGISTERED
|
|
#undef VSS_E_PROVIDER_VETO
|
|
#undef VSS_E_OBJECT_NOT_FOUND
|
|
#undef VSS_E_VOLUME_NOT_SUPPORTED
|
|
#undef VSS_E_VOLUME_NOT_SUPPORTED_BY_PROVIDER
|
|
#undef VSS_E_OBJECT_ALREADY_EXISTS
|
|
#undef VSS_E_UNEXPECTED_PROVIDER_ERROR
|
|
#undef VSS_E_INVALID_XML_DOCUMENT
|
|
#undef VSS_E_MAXIMUM_NUMBER_OF_VOLUMES_REACHED
|
|
#undef VSS_E_MAXIMUM_NUMBER_OF_SNAPSHOTS_REACHED
|
|
|
|
/*
|
|
* VSS headers must be installed from Microsoft VSS SDK 7.2 available at:
|
|
* http://www.microsoft.com/en-us/download/details.aspx?id=23490
|
|
*/
|
|
#include <inc/win2003/vss.h>
|
|
#include "vss-handles.h"
|
|
|
|
/* Macros to convert char definitions to wchar */
|
|
#define _L(a) L##a
|
|
#define L(a) _L(a)
|
|
|
|
const GUID g_gProviderId = { 0x3629d4ed, 0xee09, 0x4e0e,
|
|
{0x9a, 0x5c, 0x6d, 0x8b, 0xa2, 0x87, 0x2a, 0xef} };
|
|
const GUID g_gProviderVersion = { 0x11ef8b15, 0xcac6, 0x40d6,
|
|
{0x8d, 0x5c, 0x8f, 0xfc, 0x16, 0x3f, 0x24, 0xca} };
|
|
|
|
const CLSID CLSID_QGAVSSProvider = { 0x6e6a3492, 0x8d4d, 0x440c,
|
|
{0x96, 0x19, 0x5e, 0x5d, 0x0c, 0xc3, 0x1c, 0xa8} };
|
|
|
|
const TCHAR g_szClsid[] = TEXT("{6E6A3492-8D4D-440C-9619-5E5D0CC31CA8}");
|
|
const TCHAR g_szProgid[] = TEXT("QGAVSSProvider");
|
|
|
|
/* Enums undefined in VSS SDK 7.2 but defined in newer Windows SDK */
|
|
enum __VSS_VOLUME_SNAPSHOT_ATTRIBUTES {
|
|
VSS_VOLSNAP_ATTR_NO_AUTORECOVERY = 0x00000002,
|
|
VSS_VOLSNAP_ATTR_TXF_RECOVERY = 0x02000000
|
|
};
|
|
|
|
|
|
/* COM pointer utility; call ->Release() when it goes out of scope */
|
|
template <class T>
|
|
class COMPointer {
|
|
COMPointer(const COMPointer<T> &p) { } /* no copy */
|
|
T *p;
|
|
public:
|
|
COMPointer &operator=(T *new_p)
|
|
{
|
|
/* Assignment of a new T* (or NULL) causes release of previous p */
|
|
if (p && p != new_p) {
|
|
p->Release();
|
|
}
|
|
p = new_p;
|
|
return *this;
|
|
}
|
|
/* Replace by assignment to the pointer of p */
|
|
T **replace(void)
|
|
{
|
|
*this = NULL;
|
|
return &p;
|
|
}
|
|
/* Make COMPointer be used like T* */
|
|
operator T*() { return p; }
|
|
T *operator->(void) { return p; }
|
|
T &operator*(void) { return *p; }
|
|
operator bool() { return !!p; }
|
|
|
|
COMPointer(T *p = NULL) : p(p) { }
|
|
~COMPointer() { *this = NULL; } /* Automatic release */
|
|
};
|
|
|
|
/*
|
|
* COM initializer; this should declared before COMPointer to uninitialize COM
|
|
* after releasing COM objects.
|
|
*/
|
|
class COMInitializer {
|
|
public:
|
|
COMInitializer() { CoInitialize(NULL); }
|
|
~COMInitializer() { CoUninitialize(); }
|
|
};
|
|
|
|
#endif
|