Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

1436 lines
39 KiB

//+----------------------------------------------------------------------------
//
// Job Scheduler Job Object Handler
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1996.
//
// File: job.cxx
//
// Contents: ITask interface methods
//
// Classes: CJob
//
// Interfaces: ITask
//
// History: 23-May-95 EricB created
//
//-----------------------------------------------------------------------------
#include "..\pch\headers.hxx"
#pragma hdrstop
#include "job.hxx"
#include <StrSafe.h>
WCHAR wszEmpty[] = L"";
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::Run
//
// Synopsis: Run the job now. Sets a service bit on the job file. The
// running service will notice this bit being set and will run
// this job.
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::Run(void)
{
TRACE(CJob, Run)
if (!IsFlagSet(JOB_I_FLAG_HAS_APPNAME))
{
return SCHED_E_TASK_NOT_READY;
}
//
// Set the magic bit.
//
SetFlag(JOB_I_FLAG_RUN_NOW);
//
// Save the service flags to disk so that the change can be noted by the
// service. Preserve the net schedule flag, thus allowing a user to force
// a run of an AT job without clearing the AT bit.
//
return SaveWithRetry(NULL, FALSE, SAVEP_PRESERVE_NET_SCHEDULE);
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::Terminate
//
// Synopsis: Abort this job, if it is running. Do so by setting an abort
// flag on the job object. The scheduler service local to the
// job object will detect this change and abort the job.
//
// Arguments: None.
//
// Returns: HRESULTS
//
// Notes: None.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::Terminate(void)
{
TRACE(CJob, Terminate)
if (m_cRunningInstances > 0)
{
//
// Set the abort status bit and rewrite the state. This will instruct
// the service to process the job, detect the abort bit flag, and
// abort the job. As with the Run method, this doesn't zap the AT
// flag.
//
SetFlag(JOB_I_FLAG_ABORT_NOW);
return SaveWithRetry(NULL, FALSE, SAVEP_PRESERVE_NET_SCHEDULE);
}
else
{
return(SCHED_E_TASK_NOT_RUNNING);
}
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::CreateTrigger
//
// Synopsis: Create a new trigger, add it to the job object, and return a
// pointer to it.
//
// Arguments: [piNewTrigger] - the index of the new trigger, optional
// [ppTrigger] - a pointer to the new trigger
//
// Returns: HRESULTS
//
// Notes: The trigger is AddRef'd in CreateTriggerP
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::CreateTrigger(WORD * piNewTrigger, ITaskTrigger ** ppTrigger)
{
TRACE3(CJob, CreateTrigger)
*ppTrigger = NULL; // Init in case of error.
SYSTEMTIME st;
GetLocalTime(&st);
TASK_TRIGGER jt = {
sizeof(TASK_TRIGGER), // Trigger size.
m_Triggers.GetCount(), // Reserved (trigger index).
st.wYear, // Beginning year.
st.wMonth, // Beginning month.
st.wDay, // Beginning day.
0, // Ending year.
0, // Ending month.
0, // Ending day.
st.wHour, // Starting hour.
st.wMinute, // Starting minute.
0, // Minutes duration.
0, // Minutes interval.
JOB_TRIGGER_I_FLAG_NOT_SET, // Flags.
TASK_TIME_TRIGGER_DAILY, // Trigger type.
1, // Trigger union.
0, // Reserved2. Unused.
0 // Random minutes interval.
};
CTrigger * pt = new CTrigger(jt.Reserved1, this);
if (pt == NULL)
{
CHECK_HRESULT(E_OUTOFMEMORY);
return(E_OUTOFMEMORY);
}
HRESULT hr = m_Triggers.Add(jt);
if (FAILED(hr))
{
delete pt;
CHECK_HRESULT(hr);
return(hr);
}
this->SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
this->SetTriggersDirty();
*piNewTrigger = jt.Reserved1;
*ppTrigger = pt;
return(hr);
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::DeleteTrigger
//
// Synopsis: Remove a run trigger.
//
// Arguments: [iTrigger] - the index of the trigger to be removed
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::DeleteTrigger(WORD iTrigger)
{
TRACE3(CJob, DeleteTrigger)
TASK_TRIGGER * pjt = this->_GetTrigger(iTrigger);
if (pjt != NULL)
{
m_Triggers.Remove(iTrigger);
// Fixup remaining indices to account for deletion.
//
for (WORD i = iTrigger; i < m_Triggers.GetCount(); i++)
{
m_Triggers[i].Reserved1--;
}
this->SetTriggersDirty();
if (!m_Triggers.GetCount())
{
this->ClearFlag(JOB_I_FLAG_HAS_TRIGGERS);
}
return(S_OK);
}
else
{
return(SCHED_E_TRIGGER_NOT_FOUND);
}
}
//+----------------------------------------------------------------------------
//
// Member: CJob::_GetTrigger, private
//
// Synopsis: Return the TASK_TRIGGER associated with the index. The
// TASK_TRIGGER reserved field specifies the trigger index.
//
// Arguments: [iTrigger] -- Trigger index.
//
// Returns: TASK_TRIGGER * -- Trigger found.
// NULL -- Trigger not found.
//
//-----------------------------------------------------------------------------
TASK_TRIGGER *
CJob::_GetTrigger(WORD iTrigger)
{
for (WORD i = 0; i < m_Triggers.GetCount(); i++)
{
if (m_Triggers[i].Reserved1 == iTrigger)
{
return(&m_Triggers[i]);
}
}
return(NULL);
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetTriggerCount
//
// Synopsis: Return the count of run triggers.
//
// Arguments: [pwCount] - the address where the count is to be returned
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetTriggerCount(WORD * pwCount)
{
TRACE3(CJob, GetTriggerCount)
*pwCount = m_Triggers.GetCount();
return(S_OK);
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetTrigger
//
// Synopsis: Return an ITaskTrigger pointer to the indicated trigger.
//
// Arguments: [iTrigger] - the index of the trigger to fetch
// [ppTrigger] - the returned trigger pointer
//
// Returns: HRESULTS
//
// Notes: The trigger is AddRef'd in GetTriggerObj(m_Triggers.GetTrigger)
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetTrigger(WORD iTrigger, ITaskTrigger ** ppTrigger)
{
TRACE3(CJob, GetTrigger)
*ppTrigger = NULL; // Init in case of error.
TASK_TRIGGER * pjt = this->_GetTrigger(iTrigger);
if (pjt != NULL)
{
CTrigger * pt = new CTrigger(iTrigger, this);
if (pt == NULL)
{
CHECK_HRESULT(E_OUTOFMEMORY);
return(E_OUTOFMEMORY);
}
*ppTrigger = pt;
return(S_OK);
}
return(SCHED_E_TRIGGER_NOT_FOUND);
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetTriggerString
//
// Synopsis: Return the indicated run trigger as a string.
//
// Arguments: [iTrigger] - the index of the trigger to convert
// [ppwszTrigger] - the returned string buffer
//
// Returns: HRESULTS
//
// Notes: The string is callee allocated and caller freed with
// CoTaskMemFree.
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetTriggerString(WORD iTrigger, LPWSTR * ppwszTrigger)
{
TRACE3(CJob, GetTriggerString)
*ppwszTrigger = NULL; // Init in case of error.
TASK_TRIGGER * pjt = this->_GetTrigger(iTrigger);
if (pjt != NULL)
{
return(::StringFromTrigger(pjt, ppwszTrigger, NULL));
}
return(SCHED_E_TRIGGER_NOT_FOUND);
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetApplicationName
//
// Synopsis: Set the Application Name String property
//
// Arguments: [pwszApplicationName] - the name of the app to execute.
//
// Returns: HRESULTS
//
// Notes: The string is caller allocated and freed.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetApplicationName(LPCWSTR pwszApplicationName)
{
TRACE3(CJob, SetApplicationName)
if (!pwszApplicationName)
return E_INVALIDARG;
if (wcslen(pwszApplicationName) > MAX_PATH)
return E_INVALIDARG;
//
// We don't use a try/catch
// because the COM interface runs in the caller's context and it is their
// responsibility to ensure good params. This latter statement is true for
// all scheduler COM interface methods.
//
if (*pwszApplicationName == L'\0')
{
//
// The caller wants the command set to an empty string.
//
ClearFlag(JOB_I_FLAG_HAS_APPNAME);
//
// We are using a null pointer for an empty string as an optimization.
//
if (m_pwszApplicationName == NULL)
{
//
// Nothing to do.
//
return S_OK;
}
else
{
//
// Setting this flag will instruct the persist code to
// regenerate a GUID for this job. This is done for security
// reasons.
//
// NB : This must be done for Win95 as well as NT.
//
SetFlag(JOB_I_FLAG_APPNAME_CHANGE);
DELETE_CJOB_FIELD(m_pwszApplicationName);
//
// We want this change to trigger a wait list rebuild.
//
SetFlag(JOB_I_FLAG_RUN_PROP_CHANGE);
}
}
else
{
//
// Update the flags and status.
//
SetFlag(JOB_I_FLAG_HAS_APPNAME);
if (IsStatus(SCHED_S_TASK_NOT_SCHEDULED))
{
//
// Note that if the status went from SCHED_S_TASK_NOT_SCHEDULED to
// SCHED_S_TASK_HAS_NOT_RUN or SCHED_S_TASK_READY, then we
// want CheckDir to issue a wait list rebuild because the job has
// gone from a non-runable to a runable state. Thus, in the if
// clause below we set JOB_I_FLAG_RUN_PROP_CHANGE.
//
if (IsFlagSet(JOB_I_FLAG_HAS_TRIGGERS) &&
!IsFlagSet(JOB_I_FLAG_NO_VALID_TRIGGERS))
{
if (m_stMostRecentRunTime.wYear == 0)
{
//
// Job has never run if last-run-time property is null
// (all elements will be zero if null, testing year is
// sufficient).
//
SetStatus(SCHED_S_TASK_HAS_NOT_RUN);
}
else
{
//
// Job has run in the past, so it is now waiting to run
// again.
//
SetStatus(SCHED_S_TASK_READY);
}
//
// We want this change to trigger a wait list rebuild.
//
SetFlag(JOB_I_FLAG_RUN_PROP_CHANGE);
}
}
TCHAR tszAppName[MAX_PATH+1]; // define buffer size as 1 more than max in
SecureZeroMemory(tszAppName, sizeof tszAppName); // order to leave space for NULL terminator
if (IsLocalFilename(m_ptszFileName))
{
lstrcpyn(tszAppName, pwszApplicationName, MAX_PATH); // lstrcpyn needs to know maximum # of chars,
// this needs to be 1 less than buffer size
ProcessApplicationName(tszAppName, MAX_PATH+1,
m_pwszWorkingDirectory ?
m_pwszWorkingDirectory :
wszEmpty);
}
else
{
lstrcpyn(tszAppName, pwszApplicationName, MAX_PATH); // # of chars, not buffer size
StripLeadTrailSpace(tszAppName);
DeleteQuotes(tszAppName);
}
//
// Allocate a new string, adding one for the null terminator
//
ULONG cchAppName = lstrlen(tszAppName) + 1;
LPWSTR pwszTmp = new WCHAR[cchAppName];
if (pwszTmp == NULL)
{
ERR_OUT("CJob::SetApplicationName", E_OUTOFMEMORY);
return E_OUTOFMEMORY;
}
StringCchCopy(pwszTmp, cchAppName, tszAppName);
//
// Setting this flag will instruct the persist code to
// regenerate a GUID for this job. This is done for security
// reasons.
//
// NB : This must be done for Win95 as well as NT.
//
// Ensure first, that the application has indeed changed.
//
if (m_pwszApplicationName != NULL && lstrcmpiW(
m_pwszApplicationName,
pwszTmp) != 0)
{
SetFlag(JOB_I_FLAG_APPNAME_CHANGE);
}
DELETE_CJOB_FIELD(m_pwszApplicationName);
m_pwszApplicationName = pwszTmp;
}
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetApplicationName
//
// Synopsis: Get the ApplicationName String property
//
// Arguments: [ppwszApplicationName] - the returned string buffer
//
// Returns: HRESULTS
//
// Notes: The command string is passed to CreateProcess to be executed
// at task run time.
// The string is callee allocated and caller freed with
// CoTaskMemFree.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetApplicationName(LPWSTR * ppwszApplicationName)
{
TRACE3(CJob, GetApplicationName)
WCHAR * pwszCmd;
if (m_pwszApplicationName == NULL)
{
//
// Return an empty string rather than a null pointer
//
pwszCmd = wszEmpty;
}
else
{
pwszCmd = m_pwszApplicationName;
}
// add one for the null.
*ppwszApplicationName = (LPWSTR)CoTaskMemAlloc((wcslen(pwszCmd) + 1) *
sizeof(WCHAR));
if (*ppwszApplicationName == NULL)
{
return E_OUTOFMEMORY;
}
StringCchCopy(*ppwszApplicationName, wcslen(pwszCmd) + 1, pwszCmd);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetParameters
//
// Synopsis: Set the Parameters String property
//
// Arguments: [pwszParameters] - the application parameters string
//
// Returns: HRESULTS
//
// Notes: The Parameters string is appended to the Application Name and
// passed to CreateProcess as the command line to be executed at
// task run time.
// The string is caller allocated and freed.
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetParameters(LPCWSTR pwszParameters)
{
TRACE3(CJob, SetParameters)
if (*pwszParameters == L'\0')
{
//
// The caller wants the Parameters set to an empty string.
//
// We are using a null pointer for an empty string as an optimization.
//
DELETE_CJOB_FIELD(m_pwszParameters);
}
else
{
//
// Allocate a new string, adding one for the null terminator
//
LPWSTR pwszTmp = new WCHAR[wcslen(pwszParameters) + 1];
if (pwszTmp == NULL)
{
ERR_OUT("CJob::SetParameters", E_OUTOFMEMORY);
return E_OUTOFMEMORY;
}
StringCchCopy(pwszTmp, wcslen(pwszParameters) + 1, pwszParameters);
DELETE_CJOB_FIELD(m_pwszParameters);
m_pwszParameters = pwszTmp;
}
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetParameters
//
// Synopsis: Get the Parameters String property
//
// Arguments: [ppwszParameters] - the returned string buffer
//
// Returns: HRESULTS
//
// Notes: The Parameters string is appended to the Application Name and
// passed to CreateProcess as the command line to be executed at
// task run time.
// The string is callee allocated and caller freed with
// CoTaskMemFree.
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetParameters(LPWSTR * ppwszParameters)
{
TRACE3(CJob, GetParameters)
WCHAR * pwszTmp;
if (m_pwszParameters == NULL)
{
//
// Return an empty string rather than a null pointer
//
pwszTmp = wszEmpty;
}
else
{
pwszTmp = m_pwszParameters;
}
// add one for the null.
*ppwszParameters = (LPWSTR)CoTaskMemAlloc((wcslen(pwszTmp) + 1) *
sizeof(WCHAR));
if (*ppwszParameters == NULL)
{
return E_OUTOFMEMORY;
}
StringCchCopy(*ppwszParameters,wcslen(pwszTmp) + 1, pwszTmp);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetWorkingDirectory
//
// Synopsis: Set the Working Directory (current directory) property
//
// Arguments: [pwszWorkingDir] - the name to use
//
// Returns: HRESULTS
//
// Notes: The string is caller allocated and freed
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetWorkingDirectory(LPCWSTR pwszWorkingDirectory)
{
TRACE3(CJob, SetWorkingDirectory)
if (*pwszWorkingDirectory == L'\0')
{
//
// The caller wants the WorkingDirectory set to an empty string.
//
DELETE_CJOB_FIELD(m_pwszWorkingDirectory);
}
else
{
//
// Allocate a new string, adding one for the null terminator
//
LPWSTR pwszTmp = new WCHAR[wcslen(pwszWorkingDirectory) + 1];
if (pwszTmp == NULL)
{
ERR_OUT("CJob::SetWorkingDirectory", E_OUTOFMEMORY);
return E_OUTOFMEMORY;
}
StringCchCopy(pwszTmp, wcslen(pwszWorkingDirectory) + 1, pwszWorkingDirectory);
DELETE_CJOB_FIELD(m_pwszWorkingDirectory);
m_pwszWorkingDirectory = pwszTmp;
//
// Remove double quotes from working directory path; they're not supported
// by SetCurrentDirectory.
//
DeleteQuotes(m_pwszWorkingDirectory);
}
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetWorkingDir
//
// Synopsis: Get the Working Directory (current directory) property
//
// Arguments: [ppwszWorkingDirectory] - the returned string buffer
//
// Returns: HRESULTS
//
// Notes: The string is callee allocated and caller freed with
// CoTaskMemFree.
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetWorkingDirectory(LPWSTR * ppwszWorkingDirectory)
{
TRACE3(CJob, GetWorkingDirectory)
WCHAR * pwszWorkingDir;
if (m_pwszWorkingDirectory == NULL)
{
//
// Return an empty string rather than a null pointer
//
pwszWorkingDir = wszEmpty;
}
else
{
pwszWorkingDir = m_pwszWorkingDirectory;
}
// add one for the null.
*ppwszWorkingDirectory = (LPWSTR)CoTaskMemAlloc(
(wcslen(pwszWorkingDir) + 1) * sizeof(WCHAR));
if (*ppwszWorkingDirectory == NULL)
{
return E_OUTOFMEMORY;
}
StringCchCopy(*ppwszWorkingDirectory,wcslen(pwszWorkingDir) + 1, pwszWorkingDir);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetComment
//
// Synopsis: Set the comment field.
//
// Arguments: [pwszComment] - the comment string value, caller alloc'd and
// freed
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetComment(LPCWSTR pwszComment)
{
TRACE3(CJob, SetComment)
if (*pwszComment == L'\0')
{
//
// The caller wants the Comment set to an empty string.
//
DELETE_CJOB_FIELD(m_pwszComment);
}
else
{
//
// Allocate a new string, adding one for the null terminator
//
LPWSTR pwszTmp = new WCHAR[wcslen(pwszComment) + 1];
if (pwszTmp == NULL)
{
ERR_OUT("CJob::SetComment", E_OUTOFMEMORY);
return E_OUTOFMEMORY;
}
StringCchCopy(pwszTmp, wcslen(pwszComment) + 1, pwszComment);
DELETE_CJOB_FIELD(m_pwszComment);
m_pwszComment = pwszTmp;
}
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetComment
//
// Synopsis: Get the comment field property.
//
// Arguments: [ppwszComment] - the returned string buffer
//
// Returns: HRESULTS
//
// Notes: The string is callee allocated and caller freed with
// CoTaskMemFree.
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetComment(LPWSTR * ppwszComment)
{
TRACE3(CJob, GetComment)
WCHAR * pwszCmt;
if (m_pwszComment == NULL)
{
//
// Return an empty string rather than a null pointer
//
pwszCmt = wszEmpty;
}
else
{
pwszCmt = m_pwszComment;
}
// add one for the null.
*ppwszComment = (LPWSTR)CoTaskMemAlloc((wcslen(pwszCmt) + 1) *
sizeof(WCHAR));
if (*ppwszComment == NULL)
{
return E_OUTOFMEMORY;
}
StringCchCopy(*ppwszComment, wcslen(pwszCmt) + 1, pwszCmt);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::_SetSignature
//
// Synopsis: Set the job's signature.
//
// Arguments: [pbSignature] - assumed to be SIGNATURE_SIZE bytes long.
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
HRESULT
CJob::_SetSignature(const BYTE * pbSignature)
{
TRACE3(CJob, SetSignature)
LPBYTE pb = new BYTE[SIGNATURE_SIZE];
if (pb == NULL)
{
ERR_OUT("CJob::SetSignature", E_OUTOFMEMORY);
return E_OUTOFMEMORY;
}
CopyMemory(pb, pbSignature, SIGNATURE_SIZE);
DELETE_CJOB_FIELD(m_pbSignature);
m_pbSignature = pb;
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetPriority
//
// Synopsis: Set the priority property
//
// Arguments: [dwPriority] - the priority value
//
// Returns: HRESULTS
//
// Notes: Controls the priority at which the job will run. Applies to NT
// only, a no-op on Win95. This must be one of the four values
// from CreateProcess's priority class.
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetPriority(DWORD dwPriority)
{
TRACE3(CJob, SetPriority)
//
// Check for valid priority values
//
switch (dwPriority)
{
case IDLE_PRIORITY_CLASS:
case NORMAL_PRIORITY_CLASS:
case HIGH_PRIORITY_CLASS:
case REALTIME_PRIORITY_CLASS:
break;
default:
return E_INVALIDARG;
}
m_dwPriority = dwPriority;
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetPriority
//
// Synopsis: Get the priority property
//
// Arguments: [pdwPriority] - priority return address
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetPriority(DWORD * pdwPriority)
{
TRACE3(CJob, GetPriority)
*pdwPriority = m_dwPriority;
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetMaxRunTime
//
// Synopsis: Set the MaximumRunTime property
//
// Arguments: [dwMaxRunTime] - new MaxRunTime value in milliseconds
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetMaxRunTime(DWORD dwMaxRunTime)
{
TRACE3(CJob, SetMaxRunTime)
m_dwMaxRunTime = dwMaxRunTime;
// Cause a wait list rebuild
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY | JOB_I_FLAG_RUN_PROP_CHANGE);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetMaxRunTime
//
// Synopsis: Get the MaximumRunTime property
//
// Arguments: [pdwMaxRunTime] - MaxRunTime return address (milliseconds)
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetMaxRunTime(DWORD * pdwMaxRunTime)
{
TRACE3(CJob, GetMaxRunTime)
*pdwMaxRunTime = m_dwMaxRunTime;
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetFlags
//
// Synopsis: Set the bit flags for the various boolean properties
//
// Arguments: [fLogConfig] - Boolean: should changes be logged true/false.
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetFlags(DWORD rgFlags)
{
TRACE3(CJob, SetFlags)
if ((rgFlags ^ m_rgFlags) &
(TASK_FLAG_DISABLED |
TASK_FLAG_START_ONLY_IF_IDLE |
TASK_FLAG_KILL_ON_IDLE_END |
TASK_FLAG_DONT_START_IF_ON_BATTERIES |
TASK_FLAG_KILL_IF_GOING_ON_BATTERIES |
TASK_FLAG_RUN_ONLY_IF_DOCKED |
TASK_FLAG_RUN_IF_CONNECTED_TO_INTERNET |
TASK_FLAG_RESTART_ON_IDLE_RESUME |
TASK_FLAG_SYSTEM_REQUIRED))
{
//
// If any flag that could affect the CRun objects in the wait
// list has changed, signal a wait list rebuild.
// (Omitted flags: TASK_FLAG_HIDDEN, TASK_FLAG_INTERACTIVE,
// TASK_FLAG_DELETE_WHEN_DONE)
// CODEWORK Possible optimization: Omit some more flags and
// defer reading their settings into the CRun object until the
// time of running the job
//
SetFlag(JOB_I_FLAG_RUN_PROP_CHANGE);
}
//
// Only set the lower word of the internal flag property. The upper word
// is reserved for internal use.
//
rgFlags &= ~JOB_INTERNAL_FLAG_MASK;
m_rgFlags &= JOB_INTERNAL_FLAG_MASK;
SetFlag(rgFlags);
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetFlags
//
// Synopsis: Get the bit flags for the various boolean properties
//
// Arguments: [prgFlags] - returned value placed here
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetFlags(DWORD * prgFlags)
{
TRACE3(CJob, GetFlags)
//
// Only return the lower word of the internal flag property. The upper
// word is reserved for internal use.
// Also return whether this is an At job.
//
*prgFlags = m_rgFlags & (~JOB_INTERNAL_FLAG_MASK | JOB_I_FLAG_NET_SCHEDULE);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetTaskFlags
//
// Synopsis: Sets the job's task flags.
//
// Arguments: [dwFlags] - flags to be set.
//
// Returns: S_OK
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetTaskFlags(DWORD dwFlags)
{
TRACE3(CJob, SetTaskFlags)
//
// Only set the lower word of the internal flag property. The upper word
// is reserved for internal use.
// BUGBUG return an error on invalid flag bits
//
m_rgTaskFlags = (m_rgTaskFlags & JOB_INTERNAL_FLAG_MASK) |
(dwFlags & ~JOB_INTERNAL_FLAG_MASK);
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetTaskFlags
//
// Synopsis: Returns the job's task flags.
//
// Arguments: [pdwFlags] - return value pointer.
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetTaskFlags(DWORD * pdwFlags)
{
TRACE3(CJob, GetTaskFlags)
//
// Only return the lower word of the internal flag property. The upper
// word is reserved for internal use.
//
*pdwFlags = m_rgTaskFlags & ~JOB_INTERNAL_FLAG_MASK;
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetWorkItemData
//
// Synopsis: Sets the task data. Provides optional, per-task, binary
// storage for the caller.
//
// Arguments: [cbData] -- number of bytes in buffer.
// [rgbData] -- buffer of data to copy.
//
// Returns: S_OK
// E_INVALIDARG
// E_OUTOFMEMORY
//
// Notes: The buffer is caller allocated and freed.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetWorkItemData(WORD cbData, BYTE rgbData[])
{
TRACE3(CJob, SetWorkItemData)
if ((cbData != 0 && rgbData == NULL) ||
cbData == 0 && rgbData != NULL)
{
return E_INVALIDARG;
}
BYTE * pbData;
if (cbData)
{
pbData = new BYTE[cbData];
if (pbData == NULL)
{
return E_OUTOFMEMORY;
}
CopyMemory(pbData, rgbData, cbData);
}
else
{
pbData = NULL;
}
DELETE_CJOB_FIELD(m_pbTaskData);
m_pbTaskData = pbData;
m_cbTaskData = cbData;
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetWorkItemData
//
// Synopsis: Gets the task data.
//
// Arguments: [pcbData] -- returns the number of bytes in buffer.
// [prgbData] -- returns the buffer of data.
//
// Returns: S_OK for success.
// E_INVALIDARG
// E_OUTOFMEMORY.
//
// Notes: The buffer is callee allocated and caller freed with
// CoTaskMemFree. If there is no user data, then *pcBytes is set
// to zero and *ppBytes is set to NULL.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetWorkItemData(PWORD pcbData, PBYTE * prgbData)
{
TRACE3(CJob, GetWorkItemData)
if (m_pbTaskData != NULL)
{
*prgbData = (PBYTE)CoTaskMemAlloc(m_cbTaskData);
if (*prgbData == NULL)
{
return E_OUTOFMEMORY;
}
CopyMemory(*prgbData, m_pbTaskData, m_cbTaskData);
*pcbData = m_cbTaskData;
}
else
{
*pcbData = 0;
*prgbData = NULL;
}
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetMostRecentRunTime
//
// Synopsis: Returns the time that the job last ran.
//
// Arguments: [pstLastRun] - value returned here.
//
// Returns: HRESULTS
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetMostRecentRunTime(SYSTEMTIME * pstLastRun)
{
TRACE3(CJob, GetLastRunTime)
*pstLastRun = m_stMostRecentRunTime;
if (m_stMostRecentRunTime.wYear == 0)
{
//
// Job has never run if last-run-time property is null
// (all elements will be zero if null, testing year is
// sufficient).
//
return SCHED_S_TASK_HAS_NOT_RUN;
}
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetNextRunTime
//
// Synopsis: Returns the next time that the job is scheduled to run.
//
// Arguments: [pstNextRun] - pointer to return value through
//
// Returns: S_OK: the next run time was returned.
// S_FALSE: there are no more scheduled runs.
// SCHED_S_EVENT_TRIGGER: there are only event triggers.
// SCHED_S_TASK_NO_VALID_TRIGGERS: either there are no triggers or
// the triggers are disabled or not set.
// HRESULT - failure code.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetNextRunTime(SYSTEMTIME * pstNextRun)
{
TRACE3(CJob, GetNextRunTime)
HRESULT hr;
SYSTEMTIME stNow, stEmpty = { 0, 0, 0, 0, 0, 0, 0, 0 };
GetLocalTime(&stNow);
CTimeRunList RunList;
WORD cRuns = 0;
hr = GetRunTimesP(&stNow, NULL, &cRuns, 1, &RunList, NULL);
if (S_OK != hr)
{
*pstNextRun = stEmpty;
return hr;
}
else if (cRuns == 0)
{
*pstNextRun = stEmpty;
return S_FALSE;
}
FILETIME ft;
RunList.PeekHeadTime(&ft);
if (!FileTimeToSystemTime(&ft, pstNextRun))
{
*pstNextRun = stEmpty;
return HRESULT_FROM_WIN32(GetLastError());
}
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetExitCode
//
// Synopsis: Returns the exit code of the jobs last run.
//
// Arguments: [pExitCode] - return value pointer.
//
// Returns: HRESULT - error from the last attempt to start the job.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetExitCode(DWORD * pExitCode)
{
TRACE3(CJob, GetExitCode)
*pExitCode = m_ExitCode;
return m_hrStartError;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetStatus
//
// Synopsis: Returns the current status of this job object.
//
// Arguments: [phrStatus] - yup, the return value.
//
// Returns: HRESULTS
//
// Notes: The running status is implicit in a non-zero instance count.
// Otherwise, return the status property. Note also that the
// job's status and other properties that are obtained by the
// load from disk are a snapshot that can become stale.
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetStatus(HRESULT * phrStatus)
{
TRACE3(CJob, GetStatus)
if (m_cRunningInstances > 0)
{
*phrStatus = SCHED_S_TASK_RUNNING;
}
else
{
*phrStatus = m_hrStatus;
}
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::SetCreator
//
// Synopsis: Set the creator property.
//
// Arguments: [pwszCreator] -- Creator string.
//
// Returns: S_OK
// E_INVALIDARG
// E_OUTOFMEMORY
//
// Notes: None.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::SetCreator(LPCWSTR pwszCreator)
{
TRACE3(CJob, SetCreator);
LPWSTR pwsz;
//
// Handle empty string.
//
if (*pwszCreator)
{
pwsz = new WCHAR[wcslen(pwszCreator) + 1];
if (pwsz == NULL)
{
return E_OUTOFMEMORY;
}
StringCchCopy(pwsz, wcslen(pwszCreator) + 1, pwszCreator);
}
else
{
pwsz = NULL;
}
DELETE_CJOB_FIELD(m_pwszCreator);
m_pwszCreator = pwsz;
SetFlag(JOB_I_FLAG_PROPERTIES_DIRTY);
return S_OK;
}
//+----------------------------------------------------------------------------
//
// Member: CJob::ITask::GetCreator
//
// Synopsis: Fetch the creator property.
//
// Arguments: [ppwszCreator] -- Returned string.
//
// Returns: S_OK
// E_INVALIDARG
// E_OUTOFMEMORY
//
// Notes: None.
//
//-----------------------------------------------------------------------------
STDMETHODIMP
CJob::GetCreator(LPWSTR * ppwszCreator)
{
TRACE3(CJob, GetCreator);
//
// Handle empty string.
//
LPWSTR pwsz = (m_pwszCreator == NULL ? wszEmpty : m_pwszCreator);
*ppwszCreator = (LPWSTR)CoTaskMemAlloc(
(wcslen(pwsz) + 1) * sizeof(WCHAR));
if (*ppwszCreator == NULL)
{
return E_OUTOFMEMORY;
}
StringCchCopy(*ppwszCreator, wcslen(pwsz) + 1, pwsz);
return S_OK;
}