213 lines
4.4 KiB
C++
213 lines
4.4 KiB
C++
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#ifndef CACHEMGR_HXX
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#define CACHEMGR_HXX
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#include "priv.h"
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class CacheMgr
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{
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public:
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CacheMgr ();
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virtual ~CacheMgr();
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VOID
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InvalidateCache ();
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WIN9X_INLINE VOID
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InvalidateCacheForUser (
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CLogonUserData *pUser );
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virtual VOID
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EndReadCache (VOID);
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VOID
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Shutdown ();
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static LPVOID
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Allocator(DWORD cb);
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inline BOOL
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bValid() CONST {return m_bValid;}
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protected:
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PVOID
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BeginReadCache (
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PCINETMONPORT pIniPort);
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virtual BOOL
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FreeBuffer (
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PCINETMONPORT pIniPort,
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PVOID pData) = 0;
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virtual BOOL
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FetchData (
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PCINETMONPORT pIniPort,
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PVOID *ppData) = 0;
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protected:
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BOOL m_bValid;
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PCINETMONPORT m_pIniPort;
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PVOID m_pData;
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private:
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typedef struct {
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CacheMgr *pCache;
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PCINETMONPORT pIniPort;
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#if (defined(WINNT32))
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CSid *pSidToken;
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#endif
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} THREADCONTEXT;
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typedef THREADCONTEXT *PTHREADCONTEXT;
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typedef enum {
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CACHE_STATE_INIT = 0,
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CACHE_STATE_ACCESSED_VALID,
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CACHE_STATE_DATA_VALID,
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CACHE_STATE_ACCESSED_VALID_AGAIN,
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CACHE_STATE_NOT_ACCESSED_VALID_AGAIN
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} CACHESTATE;
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CACHESTATE m_dwState;
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HANDLE m_hDataReadyEvent;
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HANDLE m_hHitEvent;
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HANDLE m_hInvalidateCacheEvent;
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HANDLE m_hThread;
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BOOL m_bCacheStopped;
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BOOL m_bAccessed;
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BOOL m_bInvalidateFlag;
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CCriticalSection CacheRead;
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CCriticalSection CacheData;
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#ifdef WINNT32
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CUserData m_CurUser;
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#endif
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private:
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VOID
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SetState (
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PCINETMONPORT pIniPort,
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CACHESTATE dwState,
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BOOL bNewData,
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PVOID pNewData);
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BOOL
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SetupAsyncFetch (
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PCINETMONPORT pIniPort);
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VOID
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TransitState (
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PCINETMONPORT pIniPort);
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static VOID
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WorkingThread (
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PTHREADCONTEXT pThreadData);
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BOOL
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GetFetchTime (
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PCINETMONPORT pIniPort,
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LPDWORD pdwTime,
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PVOID *ppData);
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inline DWORD
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GetTimeDiff (
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DWORD t0,
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DWORD t1);
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VOID
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_InvalidateCache ();
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};
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class GetPrinterCache: public CacheMgr
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{
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public:
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GetPrinterCache (
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PCINETMONPORT pIniPort);
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~GetPrinterCache (
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VOID);
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typedef struct {
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BOOL bRet;
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DWORD dwLastError;
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DWORD cbSize;
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PPRINTER_INFO_2 pInfo;
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} GETPRINTER_CACHEDATA;
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typedef GETPRINTER_CACHEDATA * PGETPRINTER_CACHEDATA;
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BOOL
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BeginReadCache (
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PPRINTER_INFO_2 *ppInfo);
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protected:
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virtual BOOL
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FreeBuffer (
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PCINETMONPORT pIniPort,
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PVOID pData);
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virtual BOOL
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FetchData (
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PCINETMONPORT pIniPort,
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LPVOID *ppData);
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private:
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PCINETMONPORT m_pIniPort;
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};
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class EnumJobsCache: public CacheMgr
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{
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public:
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EnumJobsCache (
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PCINETMONPORT pIniPort);
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~EnumJobsCache (
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VOID);
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BOOL
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BeginReadCache (
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LPPPJOB_ENUM *ppje);
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VOID
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EndReadCache (
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VOID);
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protected:
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virtual BOOL
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FreeBuffer (
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PCINETMONPORT pIniPort,
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PVOID pData);
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virtual BOOL
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FetchData (
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PCINETMONPORT pIniPort,
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LPVOID *ppData);
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private:
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typedef struct {
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BOOL bRet;
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DWORD dwLastError;
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DWORD cbSize;
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LPPPJOB_ENUM pje;
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} ENUMJOBS_CACHEDATA;
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typedef ENUMJOBS_CACHEDATA * PENUMJOBS_CACHEDATA;
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PCINETMONPORT m_pIniPort;
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};
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///////////////////////////////////////////////////////////////////////////////////
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// INLINE METHODS
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///////////////////////////////////////////////////////////////////////////////////
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#if (!defined(WINNT32))
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_inline VOID CacheMgr::InvalidateCacheForUser ( CLogonUserData * /*pUser*/ ) {}
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#endif // #if (!defined(WINNT32))
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#endif // #ifndef CACHEMGR_H
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/***********************************************************************************
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** End of File (cachemgr.hxx)
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***********************************************************************************/
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