Source code of Windows XP (NT5)
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#ifndef _INC_DSKQUOTA_USERENUM_H
#define _INC_DSKQUOTA_USERENUM_H
///////////////////////////////////////////////////////////////////////////////
/* File: userenum.h
Description: Contains declaration for class DiskQuotaUserEnum.
Revision History:
Date Description Programmer
-------- --------------------------------------------------- ----------
05/22/96 Initial creation. BrianAu
*/
///////////////////////////////////////////////////////////////////////////////
#ifndef _INC_DSKQUOTA_H
# include "dskquota.h"
#endif
#ifndef _INC_DSKQUOTA_FSOBJECT_H
# include "fsobject.h"
#endif
#ifndef _INC_DSKQUOTA_SIDNAME_H
# include "sidname.h"
#endif
#ifndef _INC_DSKQUOTA_DISPATCH_H
# include "dispatch.h" // MIDL-generated header.
#endif
#ifndef _INC_DSKQUOTA_OADISP_H
# include "oadisp.h" // OleAutoDispatch class.
#endif
class DiskQuotaUserEnum : public IEnumDiskQuotaUsers {
private:
LONG m_cRef; // Object Ref counter.
LPBYTE m_pbBuffer; // For reading disk info.
LPBYTE m_pbCurrent; // Pointer to "current" rec in cache.
DWORD m_cbBuffer; // Size of buffer in bytes.
PSIDLIST m_pSidList; // Optional SidList filter.
BOOL m_bEOF; // End of quota info file reached?
DWORD m_cbSidList; // Sid list length in bytes.
BOOL m_bSingleUser; // Single-user enumeration?
BOOL m_bInitialized; // Initialize() already called?
BOOL m_bRestartScan; // Restart NTFS quota file scan?
DWORD m_fNameResolution; // None, sync, async
FSObject *m_pFSObject; // Pointer to file system object.
PDISKQUOTA_CONTROL m_pQuotaController; // Ptr to quota controller.
PSID_NAME_RESOLVER m_pSidNameResolver; // For getting SID account names.
HRESULT
QueryQuotaInformation(
BOOL bReturnSingleEntry = FALSE,
PVOID pSidList = NULL,
ULONG cbSidList = 0,
PSID pStartSid = NULL,
BOOL bRestartScan = FALSE);
HRESULT
CreateUserObject(
PFILE_QUOTA_INFORMATION pfqi,
PDISKQUOTA_USER *ppOut);
HRESULT
GetNextUser(
PDISKQUOTA_USER *ppOut);
HRESULT
InitializeSidList(
PSIDLIST pSidList,
DWORD cbSidList);
HRESULT
InitializeSidList(
PSID *rgpSids,
DWORD cpSids);
//
// Prevent copy construction.
//
DiskQuotaUserEnum(const DiskQuotaUserEnum& UserEnum);
void operator = (const DiskQuotaUserEnum& UserEnum);
public:
DiskQuotaUserEnum(
PDISKQUOTA_CONTROL pQuotaController,
PSID_NAME_RESOLVER pSidNameResolver,
FSObject *pFSObject);
~DiskQuotaUserEnum(VOID);
HRESULT
Initialize(
DWORD fNameResolution,
DWORD cbBuffer = 2048,
PSID *rgpSids = NULL,
DWORD cpSids = 0);
HRESULT
Initialize(
const DiskQuotaUserEnum& UserEnum);
STDMETHODIMP
SetNameResolution(
DWORD fNameResolution);
//
// IUnknown methods.
//
STDMETHODIMP
QueryInterface(
REFIID,
LPVOID *);
STDMETHODIMP_(ULONG)
AddRef(
VOID);
STDMETHODIMP_(ULONG)
Release(
VOID);
//
// IEnumDiskQuotaUsers methods.
//
STDMETHODIMP
Next(
DWORD,
PDISKQUOTA_USER *,
LPDWORD);
STDMETHODIMP
Skip(
DWORD);
STDMETHODIMP
Reset(
VOID);
STDMETHODIMP
Clone(
PENUM_DISKQUOTA_USERS *);
};
//
// Enumerator for VB's "for each" construct.
//
class DiskQuotaUserCollection : public IEnumVARIANT
{
public:
DiskQuotaUserCollection(PDISKQUOTA_CONTROL pController,
DWORD fNameResolution);
~DiskQuotaUserCollection(VOID);
HRESULT Initialize(VOID);
//
// IUnknown methods.
//
STDMETHODIMP
QueryInterface(
REFIID,
LPVOID *);
STDMETHODIMP_(ULONG)
AddRef(
VOID);
STDMETHODIMP_(ULONG)
Release(
VOID);
//
// IEnumVARIANT Methods.
//
STDMETHODIMP
Next(
DWORD cUsers,
VARIANT *rgvar,
DWORD *pcUsersFetched);
STDMETHODIMP
Skip(
DWORD cUsers);
STDMETHODIMP
Reset(
void);
STDMETHODIMP
Clone(
IEnumVARIANT **ppEnum);
private:
LONG m_cRef;
PDISKQUOTA_CONTROL m_pController;
PENUM_DISKQUOTA_USERS m_pEnum;
DWORD m_fNameResolution;
};
#endif // _INC_DSKQUOTA_USERENUM_H