Source code of Windows XP (NT5)
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//+----------------------------------------------------------------------------
//
// Job Schedule Object Handler
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1996.
//
// File: job_cls.hxx
//
// Contents: job and triggers class objects header
//
// History: 23-May-95 EricB created
// 06-Oct-95 EricB converted to produce lib
//
//-----------------------------------------------------------------------------
#ifndef _JOB_CLS_HXX_
#define _JOB_CLS_HXX_
#include "dll.hxx"
#include "common.hxx"
#include "dynarray.hxx"
#include "time.hxx"
#include "runobj.hxx"
#include <mstask.h>
#include <msterr.h>
class CJob;
class CJobCF;
class CSchedule;
class CSchedWorker;
#undef IsFlagSet
#ifndef NOSTATIC
#define Sign SAFunction20
#define VerifySignature SAFunction21
#define _SetSignature SAFunction22
#endif
#define SIGNATURE_SIZE 64
//
// Bit mask for the internal reserved portion of the bit flags.
//
#define JOB_INTERNAL_FLAG_MASK (0xffff8000)
//
// Values for CJob::m_rgFlags
//
// The upper word of the job flag property is reserved for internal use.
// Lower word (public) values are defined in mstask.h (mstask.idl).
//
// Note that a job can have both JOB_I_FLAG_HAS_TRIGGERS and
// JOB_I_FLAG_NO_VALID_TRIGGERS set. That means the triggers are either unset
// or disabled.
//
#define JOB_I_FLAG_APPNAME_CHANGE (0x00010000)
#define JOB_I_FLAG_SET_ACCOUNT_INFO (0x00020000)
#define JOB_I_FLAG_NO_VALID_TRIGGERS (0x00040000)
#define JOB_I_FLAG_LAST_LAUNCH_FAILED (0x00080000)
#define JOB_I_FLAG_ERROR_IN_LAST_RUN (0x00100000)
#define JOB_I_FLAG_NET_SCHEDULE (0x00200000)
#define JOB_I_FLAG_NO_MORE_RUNS (0x00400000)
//
// The following flags are for determining job validity when the string
// properties and triggers haven't been loaded.
//
#define JOB_I_FLAG_HAS_TRIGGERS (0x00800000)
#define JOB_I_FLAG_HAS_APPNAME (0x01000000)
#define JOB_I_FLAG_HAS_ACCOUNT (0x02000000)
//
// These flags are for job interface communication with the service.
//
#define JOB_I_FLAG_RUN_NOW (0x04000000)
#define JOB_I_FLAG_ABORT_NOW (0x08000000)
//
// The following two flags are used to prevent unnecessary Wait List rebuilds.
// CheckDir is called whenever there are changes made to job file objects.
// If a change is caused by the service (when it updates the run status of a
// job), we do not want the wait list to be rebuilt. If a change is caused by
// a scheduler client, we do not want the wait list to be rebuilt *unless* the
// change affects the job's run-ability. Those things that affect the run-
// ability are run-time (triggers), adding or deleting an app name, or
// toggling the disabled flag. We need both flags because we cannot control
// the order that clients call the property and trigger modification methods.
// See additonal comments about this in SaveP in persist.cxx.
//
#define JOB_I_FLAG_RUN_PROP_CHANGE (0x10000000)
#define JOB_I_FLAG_NO_RUN_PROP_CHANGE (0x20000000)
//
// The top two bits are used as non-persistent dirty state flags.
//
#define JOB_DIRTY_FLAG_MASK (0xC0000000)
#define JOB_I_FLAG_PROPERTIES_DIRTY (0x40000000)
#define JOB_I_FLAG_TRIGGERS_DIRTY (0x80000000)
#define JOB_I_FLAG_MISSED (0x00008000)
//
// Mask of non-persisted job flags. Masked off on save.
//
#define NON_PERSISTED_JOB_FLAGS (JOB_DIRTY_FLAG_MASK | \
JOB_I_FLAG_SET_ACCOUNT_INFO)
//
// Values for CTrigger::m_rgFlags
//
// The upper word of the trigger flag member is reserved for internal use.
// Lower word (public) values are defined in mstask.h (mstask.idl).
//
#define JOB_TRIGGER_I_FLAG_NOT_SET (0x00010000)
#define JOB_TRIGGER_I_FLAG_DURATION_AS_TIME (0x00020000)
//
// Values for CJob::SaveP flOptions parameter
//
#define SAVEP_VARIABLE_LENGTH_DATA (0x00000001)
#define SAVEP_RUNNING_INSTANCE_COUNT (0x00000002)
#define SAVEP_PRESERVE_NET_SCHEDULE (0x00000004)
//
// This macro can be used within methods of CJob
//
#define DELETE_CJOB_FIELD(m_pField) \
if (!m_MainBlock.Contains(m_pField)) \
{ \
delete [] (m_pField); \
} \
m_pField = NULL;
// else it will be deleted by m_MainBlock.Set() or ~m_MainBlock()
//+----------------------------------------------------------------------------
//
// Class: CTrigger
//
// Purpose: Trigger object - represents a job run time repetition period
//
//-----------------------------------------------------------------------------
class CTrigger : public ITaskTrigger
{
friend CJob;
friend CSchedule;
public:
CTrigger(WORD iTrigger, CJob * pJob);
~CTrigger(void);
// IUnknown methods
STDMETHOD(QueryInterface)(REFIID riid, void ** ppvObject);
STDMETHOD_(ULONG, AddRef)(void);
STDMETHOD_(ULONG, Release)(void);
// ITaskTrigger methods
STDMETHOD(SetTrigger)(const PTASK_TRIGGER pTrigger);
STDMETHOD(GetTrigger)(PTASK_TRIGGER pTrigger);
STDMETHOD(GetTriggerString)(LPWSTR * ppwszTrigger);
private:
CJob * m_pJob; // Parent job object.
WORD m_iTrigger; // TASK_TRIGGER index.
ULONG m_cReferences;
};
//+----------------------------------------------------------------------------
//
// Class: CInputBuffer
//
// Synopsis: Used by CJob::LoadP to parse a buffer containing the contents
// of a task file. Using this class is less bug-prone than
// using two pointer variables.
// BOOL methods return FALSE on buffer overrun.
//
//-----------------------------------------------------------------------------
class CInputBuffer
{
private:
const BYTE * _pCurrent; // Current position in buffer
const BYTE * const _pEnd; // First invalid position in buffer
public:
CInputBuffer(const BYTE * pCurrent, const BYTE * pEnd)
: _pCurrent(pCurrent), _pEnd(pEnd) { }
BYTE * CurrentPosition()
{ return (BYTE *) _pCurrent; }
BOOL Advance(DWORD cb)
{ _pCurrent += cb; return (_pCurrent <= _pEnd); }
BOOL Read(void * pDest, DWORD cb)
{
if (_pCurrent + cb <= _pEnd)
{
CopyMemory(pDest, _pCurrent, cb);
_pCurrent += cb;
return TRUE;
}
else
{
return FALSE;
}
}
};
//+----------------------------------------------------------------------------
//
// Class: CHeapBlock
//
// Synopsis: Variable-length properties of CJob that are read by LoadP
// are held in a single heap block, the original block which
// the task file was read from disk into, as long as they are
// not dirtied. If any one is dirtied a separate heap block
// is allocated for it. This class helps manage the original
// heap block.
//
//-----------------------------------------------------------------------------
class CHeapBlock
{
private:
BYTE * _pStart; // Start of the heap block
const BYTE * _pEnd; // First byte past the end of the heap block
public:
CHeapBlock() : _pStart(NULL), _pEnd(NULL) { }
~CHeapBlock() { delete [] _pStart; }
void Set(BYTE * pStart, DWORD dwSize)
{
delete [] _pStart;
_pStart = pStart;
_pEnd = _pStart + dwSize;
}
BOOL Contains(void * p)
{ return (_pStart <= (BYTE *)p && (BYTE *)p < _pEnd); }
};
typedef struct _FIXDLENDATA {
WORD wVersion;
WORD wFileObjVer;
UUID uuidJob;
WORD wAppNameLenOffset;
WORD wTriggerOffset;
WORD wErrorRetryCount;
WORD wErrorRetryInterval;
WORD wIdleDeadline;
WORD wIdleWait;
DWORD dwPriority;
DWORD dwMaxRunTime;
HRESULT ExitCode;
HRESULT hrStatus;
DWORD rgFlags;
SYSTEMTIME stMostRecentRunTime;
} FIXDLEN_DATA, * PFIXDLEN_DATA;
typedef struct _TASKRESERVED1 {
HRESULT hrStartError;
DWORD rgTaskFlags;
} TASKRESERVED1, * PTASKRESERVED1;
typedef struct _JOB_ACCOUNT_INFO {
WCHAR * pwszAccount;
WCHAR * pwszPassword;
} JOB_ACCOUNT_INFO, * PJOB_ACCOUNT_INFO;
//+----------------------------------------------------------------------------
//
// Class: CJob
//
// Purpose: Job object
//
//-----------------------------------------------------------------------------
class CJob : public ITask, public IPersistFile, public IProvideTaskPage
{
friend CTrigger;
friend CJobCF;
friend CSchedule;
friend CSchedWorker;
public:
CJob();
~CJob();
// IUnknown methods
STDMETHOD(QueryInterface)(REFIID riid, void ** ppvObject);
STDMETHOD_(ULONG, AddRef)(void);
STDMETHOD_(ULONG, Release)(void);
// ITask methods
STDMETHOD(Run)(void);
STDMETHOD(Terminate)(void);
STDMETHOD(EditWorkItem)(HWND hParent, DWORD dwReserved);
STDMETHOD(CreateTrigger)(WORD * piNewTrigger, ITaskTrigger ** ppTrigger);
STDMETHOD(DeleteTrigger)(WORD iTrigger);
STDMETHOD(GetTriggerCount)(WORD * pwCount);
STDMETHOD(GetTrigger)(WORD iTrigger, ITaskTrigger ** ppTrigger);
STDMETHOD(GetTriggerString)(WORD iTrigger, LPWSTR * ppwszTrigger);
STDMETHOD(GetRunTimes)(const LPSYSTEMTIME pstBegin,
const LPSYSTEMTIME pstEnd,
WORD * pwCount, LPSYSTEMTIME * rgstJobTimes);
// ITask properties
STDMETHOD(SetApplicationName)(LPCWSTR pwszApplicationName);
STDMETHOD(GetApplicationName)(LPWSTR * ppwszApplicationName);
STDMETHOD(SetParameters)(LPCWSTR pwszParameters);
STDMETHOD(GetParameters)(LPWSTR * ppwszParameters);
STDMETHOD(SetWorkingDirectory)(LPCWSTR pwszWorkingDirectory);
STDMETHOD(GetWorkingDirectory)(LPWSTR * ppwszWorkingDirectory);
STDMETHOD(SetAccountInformation)(LPCWSTR pwszAccountName,
LPCWSTR pwszPassword);
STDMETHOD(GetAccountInformation)(LPWSTR * ppwszAccountName);
STDMETHOD(SetComment)(LPCWSTR pwszComment);
STDMETHOD(GetComment)(LPWSTR * ppwszComment);
STDMETHOD(SetPriority)(DWORD dwPriority);
STDMETHOD(GetPriority)(DWORD * pdwPriority);
STDMETHOD(SetMaxRunTime)(DWORD dwMaxRunTime);
STDMETHOD(GetMaxRunTime)(DWORD * pdwMaxRunTime);
STDMETHOD(SetIdleWait)(WORD wIdleMinutes, WORD wDeadlineMinutes);
STDMETHOD(GetIdleWait)(WORD * pwIdleMinutes, WORD * pwDeadlineMinutes);
STDMETHOD(SetErrorRetryCount)(WORD wRetryCount);
STDMETHOD(GetErrorRetryCount)(WORD * pwRetryCount);
STDMETHOD(SetErrorRetryInterval)(WORD wRetryInterval);
STDMETHOD(GetErrorRetryInterval)(WORD * pwRetryInterval);
STDMETHOD(SetFlags)(DWORD dwJobFlags);
STDMETHOD(GetFlags)(DWORD * pdwJobFlags);
STDMETHOD(SetTaskFlags)(DWORD dwJobFlags);
STDMETHOD(GetTaskFlags)(DWORD * pdwJobFlags);
STDMETHOD(SetWorkItemData)(WORD cbData, BYTE rgbData[]);
STDMETHOD(GetWorkItemData)(PWORD pcbData, PBYTE * prgbData);
STDMETHOD(GetMostRecentRunTime)(SYSTEMTIME * pstLastRun);
STDMETHOD(GetNextRunTime)(SYSTEMTIME * pstNextRun);
STDMETHOD(GetExitCode)(DWORD * pExitCode);
STDMETHOD(GetStatus)(HRESULT * pStatus);
STDMETHOD(SetCreator)(LPCWSTR pwszCreator);
STDMETHOD(GetCreator)(LPWSTR * ppwszCreator);
// IPersist method
STDMETHOD(GetClassID)(CLSID * pClsID);
// IPersistFile methods
STDMETHOD(IsDirty)(void);
STDMETHOD(Load)(LPCOLESTR pwszFileName, DWORD dwMode);
STDMETHOD(Save)(LPCOLESTR pwszFileName, BOOL fRemember);
STDMETHOD(SaveCompleted)(LPCOLESTR pwszFileName);
STDMETHOD(GetCurFile)(LPOLESTR * ppwszFileName);
// IProvideTaskPage method
STDMETHOD(GetPage)(TASKPAGE tpType, BOOL fPersistChanges,
HPROPSHEETPAGE * phPage);
// CJob methods
static CJob * Create(void)
{ return (new CJob); }
HRESULT LoadP(LPCTSTR ptszFileName, DWORD dwMode,
BOOL fRemember, BOOL fAllData);
HRESULT SaveP(LPCTSTR ptszFileName, BOOL fRemember,
ULONG flOptions = 0);
HRESULT LoadTriggers(void);
HRESULT UpdateJobState(BOOL fRunning);
HRESULT PostRunUpdate(long ExitCode, BOOL fFinishedOK);
LPCWSTR GetCommand(void) const { return(m_pwszApplicationName); }
LPTSTR GetFileName(void) const { return(m_ptszFileName); }
HRESULT SetTrigger(WORD iTrigger, PTASK_TRIGGER pTrigger);
HRESULT GetTrigger(WORD iTrigger, PTASK_TRIGGER pTrigger);
void GetAllFlags(DWORD * pFlags) {*pFlags = m_rgFlags;}
HRESULT GetRunTimesP(const SYSTEMTIME * pstBegin,
const SYSTEMTIME * pstEnd,
WORD * pCount, WORD cLimit,
CTimeRunList * pRunList,
LPTSTR ptszShortJobName);
void SetStartError(HRESULT hrStartError)
{ m_hrStartError = hrStartError; }
#if !defined(_CHICAGO_)
HRESULT Sign(void);
BOOL VerifySignature(void) const;
HRESULT GetAtInfo(PAT_INFO pAt, LPWSTR pwszCommand,
DWORD * pcchCommand);
#endif
BOOL IsFlagSet(DWORD dwBitFlag) {return m_rgFlags & dwBitFlag;}
protected:
void SetTriggersDirty(void);
void SetFlag(DWORD dwBitFlag) {m_rgFlags |= dwBitFlag;}
void ClearFlag(DWORD dwBitFlag) {m_rgFlags &= ~dwBitFlag;}
DWORD GetUserFlags(void)
{return m_rgFlags & ~JOB_INTERNAL_FLAG_MASK;}
BOOL IsStatus(HRESULT hr) {return m_hrStatus == hr;}
void SetStatus(HRESULT hr) {m_hrStatus = hr;}
HRESULT IfStartupJobAddToList(LPTSTR ptszJobName,
CRunList * pRunList,
CIdleRunList * pIdleWaitList);
HRESULT IfLogonJobAddToList(LPTSTR ptszJobName,
CRunList * pRunList,
CIdleRunList * pIdleWaitList);
HRESULT IfIdleJobAddToList(LPTSTR ptszJobName,
CIdleRunList * pRunList);
HRESULT Delete(void);
private:
HRESULT IfEventJobAddToList(TASK_TRIGGER_TYPE Type,
LPCTSTR ptszJobName,
CRunList * pRunList,
CIdleRunList * pIdleWaitList);
void FreeProperties(void);
TASK_TRIGGER * _GetTrigger(WORD iTrigger);
HRESULT _LoadTriggers(HANDLE hFile);
HRESULT _LoadTriggersFromBuffer(CInputBuffer * pBuf);
HRESULT _SaveTriggers(HANDLE hFile);
HRESULT _SetSignature(const BYTE * pbSignature);
// Properties:
CDynamicArray<TASK_TRIGGER> m_Triggers;
WORD m_wVersion;
WORD m_wFileObjVer;
UUID m_uuidJob;
WORD m_wTriggerOffset;
WORD m_wErrorRetryCount;
WORD m_wErrorRetryInterval;
WORD m_cRunningInstances;
WORD m_wIdleWait;
WORD m_wIdleDeadline;
DWORD m_dwPriority;
DWORD m_dwMaxRunTime;
DWORD m_ExitCode;
HRESULT m_hrStatus;
DWORD m_rgFlags;
DWORD m_rgTaskFlags;
SYSTEMTIME m_stMostRecentRunTime;
LPWSTR m_pwszApplicationName; // [*]
LPWSTR m_pwszParameters; // [*]
LPWSTR m_pwszWorkingDirectory; // [*]
LPWSTR m_pwszCreator; // [*]
LPWSTR m_pwszComment; // [*]
LPTSTR m_ptszFileName;
BOOL m_fFileCreated;
PBYTE m_pbTaskData; // [*]
WORD m_cbTaskData;
WORD m_cReserved;
PBYTE m_pbReserved; // [*]
HRESULT m_hrStartError;
#if !defined(_CHICAGO_)
PJOB_ACCOUNT_INFO m_pAccountInfo; // Allocated exclusively in
// the SetAccountInformation member.
PBYTE m_pbSignature; // [*]
#endif // !defined(_CHICAGO_)
CHeapBlock m_MainBlock; // Initially holds properties marked [*]
// State data:
ITypeInfo * m_pIJobTypeInfo;
unsigned long m_cReferences;
CDllRef m_DllRef;
// Static members
static LPWSTR CJob::* const s_StringField[];
};
//+----------------------------------------------------------------------------
//
// Class: CJobCF
//
// Purpose: job object class factory
//
//-----------------------------------------------------------------------------
class CJobCF : public IClassFactory
{
public:
CJobCF();
// IUnknown methods
STDMETHOD(QueryInterface)(REFIID riid, void **ppvObject);
STDMETHOD_(ULONG, AddRef)();
STDMETHOD_(ULONG, Release)();
// IClassFactory methods
STDMETHOD(CreateInstance)(IUnknown *pUnkOuter,
REFIID riid,
void **ppvObject);
STDMETHOD(LockServer)(BOOL fLock);
static IClassFactory * Create(void);
protected:
~CJobCF();
unsigned long m_uRefs;
CDllRef m_DllRef;
};
#endif // _JOB_CLS_HXX_