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[SCHEDSVC] Fix the job start time calculation for given days of week.

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This commit is contained in:
Eric Kohl 2020-05-31 15:48:07 +02:00
parent cb99761bc1
commit d70c64bde0
1 changed files with 73 additions and 52 deletions
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125
base/services/schedsvc/job.c
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@ -449,81 +449,102 @@ done:
}
static
WORD
DaysOfMonth(
WORD wMonth,
WORD wYear)
{
WORD wDaysArray[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
if (wMonth == 2 && wYear % 4 == 0 && wYear % 400 != 0)
return 29;
return wDaysArray[wMonth];
}
VOID
CalculateNextStartTime(
_In_ PJOB pJob)
{
SYSTEMTIME StartTime;
FILETIME FileTime;
DWORD_PTR Now;
SYSTEMTIME CurrentSystemTime, StartSystemTime;
FILETIME StartFileTime;
WORD wDaysOffset, wTempOffset, i, wJobDayOfWeek;
DWORD_PTR CurrentTimeMs;
BOOL bDaysOffsetValid;
TRACE("CalculateNextStartTime(%p)\n", pJob);
TRACE("JobTime: %lu\n", pJob->JobTime);
TRACE("DaysOfWeek: 0x%x\n", pJob->DaysOfWeek);
TRACE("DaysOfMonth: 0x%x\n", pJob->DaysOfMonth);
GetLocalTime(&StartTime);
GetLocalTime(&CurrentSystemTime);
Now = (DWORD_PTR)StartTime.wHour * 3600000 +
(DWORD_PTR)StartTime.wMinute * 60000;
CurrentTimeMs = (DWORD_PTR)CurrentSystemTime.wHour * 3600000 +
(DWORD_PTR)CurrentSystemTime.wMinute * 60000;
StartTime.wMilliseconds = 0;
StartTime.wSecond = 0;
StartTime.wHour = (WORD)(pJob->JobTime / 3600000);
StartTime.wMinute = (WORD)((pJob->JobTime % 3600000) / 60000);
CopyMemory(&StartSystemTime, &CurrentSystemTime, sizeof(SYSTEMTIME));
if (pJob->DaysOfMonth != 0)
StartSystemTime.wMilliseconds = 0;
StartSystemTime.wSecond = 0;
StartSystemTime.wHour = (WORD)(pJob->JobTime / 3600000);
StartSystemTime.wMinute = (WORD)((pJob->JobTime % 3600000) / 60000);
bDaysOffsetValid = FALSE;
wDaysOffset = 0;
if ((pJob->DaysOfWeek == 0) && (pJob->DaysOfMonth == 0))
{
FIXME("Support DaysOfMonth!\n");
}
else if (pJob->DaysOfWeek != 0)
{
FIXME("Support DaysOfWeek!\n");
if (CurrentTimeMs >= pJob->JobTime)
{
TRACE("Tomorrow!\n");
wDaysOffset = 1;
}
bDaysOffsetValid = TRUE;
}
else
{
/* Start the job tomorrow */
if (Now > pJob->JobTime)
if (pJob->DaysOfWeek != 0)
{
if (StartTime.wDay + 1 > DaysOfMonth(StartTime.wMonth, StartTime.wYear))
TRACE("DaysOfWeek!\n");
for (i = 0; i < 7; i++)
{
if (StartTime.wMonth == 12)
if (pJob->DaysOfWeek & (1 << i))
{
StartTime.wDay = 1;
StartTime.wMonth = 1;
StartTime.wYear++;
}
else
{
StartTime.wDay = 1;
StartTime.wMonth++;
/* Adjust the ranges */
wJobDayOfWeek = (i + 1) % 7;
TRACE("wJobDayOfWeek: %hu\n", wJobDayOfWeek);
TRACE("CurrentSystemTime.wDayOfWeek: %hu\n", CurrentSystemTime.wDayOfWeek);
/* Calculate the days offset */
if ((CurrentSystemTime.wDayOfWeek > wJobDayOfWeek ) ||
((CurrentSystemTime.wDayOfWeek == wJobDayOfWeek) && (CurrentTimeMs >= pJob->JobTime)))
{
wTempOffset = 7 - CurrentSystemTime.wDayOfWeek + wJobDayOfWeek;
TRACE("wTempOffset: %hu\n", wTempOffset);
}
else
{
wTempOffset = wJobDayOfWeek - CurrentSystemTime.wDayOfWeek;
TRACE("wTempOffset: %hu\n", wTempOffset);
}
/* Use the smallest offset */
if (bDaysOffsetValid == FALSE)
{
wDaysOffset = wTempOffset;
bDaysOffsetValid = TRUE;
}
else
{
if (wTempOffset < wDaysOffset)
wDaysOffset = wTempOffset;
}
}
}
else
{
StartTime.wDay++;
}
}
if (pJob->DaysOfMonth != 0)
{
FIXME("Support DaysOfMonth!\n");
}
}
TRACE("Next start: %02hu:%02hu %02hu.%02hu.%hu\n", StartTime.wHour,
StartTime.wMinute, StartTime.wDay, StartTime.wMonth, StartTime.wYear);
TRACE("wDaysOffset: %hu\n", wDaysOffset);
SystemTimeToFileTime(&StartTime, &FileTime);
pJob->StartTime.u.LowPart = FileTime.dwLowDateTime;
pJob->StartTime.u.HighPart = FileTime.dwHighDateTime;
SystemTimeToFileTime(&StartSystemTime, &StartFileTime);
pJob->StartTime.u.LowPart = StartFileTime.dwLowDateTime;
pJob->StartTime.u.HighPart = StartFileTime.dwHighDateTime;
if (bDaysOffsetValid && wDaysOffset != 0)
{
pJob->StartTime.QuadPart += ((ULONGLONG)wDaysOffset * 24 * 60 * 60 * 10000);
}
}