Leaked source code of windows server 2003
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//***************************************************************************
//
// TASK.H
//
// raymcc 23-Apr-00 First oversimplified draft for Whistler
// raymcc 18-Mar-02 Security review
//
//***************************************************************************
#ifndef _WMITASK_H_
#define _WMITASK_H_
#define CORE_TASK_TYPE(x) (x & 0xFF)
#include <context.h>
// forward
class CAsyncReq;
class CProviderSink;
class CStatusSink;
struct STaskProvider
{
IWbemServices *m_pProv;
CProviderSink *m_pProvSink;
STaskProvider() { m_pProv = 0; m_pProvSink = 0; }
~STaskProvider();
HRESULT Cancel( CStatusSink* pStatusSink );
HRESULT ExecCancelOnNewRequest ( IWbemServices* pProv, CProviderSink* pSink, CStatusSink* pStatusSink ) ;
};
class CWmiTask : public _IWmiCoreHandle
{
friend struct STaskProvider;
private:
ULONG m_uRefCount;
ULONG m_uTaskType;
ULONG m_uTaskStatus;
ULONG m_uTaskId;
HRESULT m_hResult ;
BOOL m_bAccountedForThrottling ;
BOOL m_bCancelledDueToThrottling ;
CFlexArray m_aTaskProviders; // Array of STaskProvider structs
IWbemObjectSink * m_pAsyncClientSink; // Used for cross-ref purposes only
CStdSink * m_pReqSink; // The CStdSink pointer for each request
LONG m_uMemoryUsage;
ULONG m_uTotalSleepTime;
ULONG m_uCancelState;
ULONG m_uLastSleepTime;
HANDLE m_hCompletion ;
HANDLE m_hTimer;
CWbemContext* m_pMainCtx;
CFlexArray m_aArbitratees;
CCritSec m_csTask;
CWbemNamespace *m_pNs;
DWORD m_uStartTime;
CStatusSink * m_pStatusSink;
CAsyncReq_RemoveNotifySink * m_pReqCancelNotSink;
CFlexArray m_aTaskProvStorage;
CFlexArray m_aArbitrateesStorage;
CAsyncReq * m_pReqDoNotUse; // this is just a pointer copy for the debugger
CWmiTask( );
~CWmiTask();
CWmiTask(const CWmiTask &Src){};
CWmiTask & operator=(const CWmiTask &Src){};
static CStaticCritSec m_TaskCs;
public:
ULONG STDMETHODCALLTYPE AddRef();
ULONG STDMETHODCALLTYPE Release();
HRESULT STDMETHODCALLTYPE QueryInterface( IN REFIID riid, OUT LPVOID *ppvObj);
CWbemContext *GetCtx() { return m_pMainCtx; }
HRESULT STDMETHODCALLTYPE GetHandleType(ULONG *puType);
static CWmiTask *CreateTask( ) ;
ULONG GetTaskType() { return m_uTaskType; }
ULONG GetTaskStatus() { return m_uTaskStatus; }
HANDLE GetTimerHandle() { return m_hTimer; }
void RemoveTaskStatusBit(ULONG uMask) { m_uTaskStatus &= !uMask; }
VOID SetCancelledState ( BOOL bState ) { m_bCancelledDueToThrottling = bState ; }
BOOL GetCancelledState ( ) { return m_bCancelledDueToThrottling ; }
HRESULT SignalCancellation ( ) ;
HRESULT ReleaseArbitratees (BOOL bIsShutdown = FALSE ) ;
HRESULT SetTaskResult ( HRESULT hRes ) ;
HRESULT AddTaskProv(STaskProvider *);
BOOL IsESSNamespace ( );
BOOL IsProviderNamespace ( );
HRESULT GetFinalizer( _IWmiFinalizer **ppFnz );
BOOL IsAccountedForThrottling ( ) { return m_bAccountedForThrottling ; }
VOID SetAccountedForThrottling ( BOOL bSet ) { m_bAccountedForThrottling = bSet ; }
HRESULT HasMatchingSink(void *Test, IN REFIID riid);
HRESULT Cancel( HRESULT hRes = WBEM_E_CALL_CANCELLED );
HRESULT GetPrimaryTask ( _IWmiCoreHandle** pPTask );
HRESULT AddArbitratee(ULONG uFlags, _IWmiArbitratee* pArbitratee);
HRESULT RemoveArbitratee(ULONG uFlags, _IWmiArbitratee* pArbitratee);
HRESULT GetArbitratedQuery( ULONG uFlags, _IWmiArbitratedQuery** ppArbitratedQuery );
HRESULT GetMemoryUsage ( ULONG* uMemUsage ){ *uMemUsage = m_uMemoryUsage; return WBEM_S_NO_ERROR; } // SEC:REVIEWED 2002-03-22 : Needs ptr check
HRESULT UpdateMemoryUsage ( LONG lDelta ) ;
HRESULT GetTotalSleepTime ( ULONG* uSleepTime ){ *uSleepTime = m_uTotalSleepTime; return WBEM_S_NO_ERROR; } // SEC:REVIEWED 2002-03-22 : Needs ptr check
HRESULT UpdateTotalSleepTime ( ULONG uSleepTime ) ;
HRESULT GetCancelState ( ULONG* uCancelState ){ *uCancelState = m_uCancelState; return WBEM_S_NO_ERROR; } // SEC:REVIEWED 2002-03-22 : Needs ptr check
HRESULT SetCancelState ( ULONG uCancelState ){ m_uCancelState = uCancelState; return WBEM_S_NO_ERROR; }
HRESULT SetLastSleepTime ( ULONG uSleep ){ m_uLastSleepTime = uSleep; return WBEM_S_NO_ERROR; }
HRESULT CreateTimerEvent ( );
HRESULT SetArbitrateesOperationResult ( ULONG, HRESULT );
HRESULT Initialize(
IN CWbemNamespace *pNs,
IN ULONG uTaskType,
IN IWbemContext *pCtx,
IN IWbemObjectSink *pClientSinkCopy,
IN CAsyncReq *pReq);
HRESULT AssertProviderRef(IWbemServices *pProv);
HRESULT RetractProviderRef(IWbemServices *pProv);
ULONG GetTaskId() { return m_uTaskId; }
HRESULT Dump(FILE* f); // Debug only
HRESULT SetRequestSink(CStdSink *pSnk);
CWbemNamespace* GetNamespace ( ) { return m_pNs; }
};
typedef CWmiTask *PCWmiTask;
#endif