mirror of
https://github.com/reactos/reactos.git
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624 lines
17 KiB
C
624 lines
17 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Services
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* FILE: base/services/schedsvc/job.c
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* PURPOSE: Scheduling service
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* PROGRAMMER: Eric Kohl <eric.kohl@reactos.org>
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*/
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/* INCLUDES *****************************************************************/
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#include "precomp.h"
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WINE_DEFAULT_DEBUG_CHANNEL(schedsvc);
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/* GLOBALS ******************************************************************/
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typedef struct _SCHEDULE
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{
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DWORD JobTime;
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DWORD DaysOfMonth;
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UCHAR DaysOfWeek;
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UCHAR Flags;
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WORD Reserved;
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} SCHEDULE, PSCHEDULE;
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DWORD dwNextJobId = 0;
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DWORD dwJobCount = 0;
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LIST_ENTRY JobListHead;
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RTL_RESOURCE JobListLock;
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LIST_ENTRY StartListHead;
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RTL_RESOURCE StartListLock;
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FILETIME NextJobStartTime;
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BOOL bValidNextJobStartTime = FALSE;
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static WORD wDaysArray[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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/* FUNCTIONS *****************************************************************/
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VOID
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GetNextJobTimeout(HANDLE hTimer)
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{
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PLIST_ENTRY CurrentEntry;
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FILETIME DueTime;
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PJOB CurrentJob;
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bValidNextJobStartTime = FALSE;
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CurrentEntry = JobListHead.Flink;
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while (CurrentEntry != &JobListHead)
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{
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CurrentJob = CONTAINING_RECORD(CurrentEntry, JOB, JobEntry);
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if (bValidNextJobStartTime == FALSE)
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{
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CopyMemory(&NextJobStartTime, &CurrentJob->StartTime, sizeof(FILETIME));
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bValidNextJobStartTime = TRUE;
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}
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else
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{
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if (CompareFileTime(&NextJobStartTime, &CurrentJob->StartTime) > 0)
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CopyMemory(&NextJobStartTime, &CurrentJob->StartTime, sizeof(FILETIME));
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}
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CurrentEntry = CurrentEntry->Flink;
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}
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if (bValidNextJobStartTime == FALSE)
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{
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TRACE("No valid job!\n");
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return;
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}
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LocalFileTimeToFileTime(&DueTime, &NextJobStartTime);
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SetWaitableTimer(hTimer,
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(PLARGE_INTEGER)&DueTime,
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0,
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NULL,
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NULL,
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TRUE);
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}
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#if 0
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static
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VOID
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ReScheduleJob(
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PJOB pJob)
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{
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/* Remove the job from the start list */
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RemoveEntryList(&pJob->StartEntry);
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/* Non-periodical job, remove it */
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if ((pJob->Flags & JOB_RUN_PERIODICALLY) == 0)
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{
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/* Remove the job from the registry */
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DeleteJob(pJob);
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/* Remove the job from the job list */
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RemoveEntryList(&pJob->JobEntry);
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dwJobCount--;
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/* Free the job object */
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HeapFree(GetProcessHeap(), 0, pJob);
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return;
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}
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/* Calculate the next start time */
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CalculateNextStartTime(pJob);
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/* Insert the job into the start list again */
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InsertJobIntoStartList(&StartListHead, pJob);
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#if 0
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DumpStartList(&StartListHead);
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#endif
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}
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#endif
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VOID
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RunCurrentJobs(VOID)
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{
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PROCESS_INFORMATION ProcessInformation;
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STARTUPINFOW StartupInfo;
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PLIST_ENTRY CurrentEntry;
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PJOB CurrentJob;
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BOOL bRet;
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CurrentEntry = JobListHead.Flink;
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while (CurrentEntry != &JobListHead)
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{
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CurrentJob = CONTAINING_RECORD(CurrentEntry, JOB, JobEntry);
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if (CompareFileTime(&NextJobStartTime, &CurrentJob->StartTime) == 0)
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{
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TRACE("Run job %ld: %S\n", CurrentJob->JobId, CurrentJob->Command);
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ZeroMemory(&StartupInfo, sizeof(StartupInfo));
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StartupInfo.cb = sizeof(StartupInfo);
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StartupInfo.lpTitle = CurrentJob->Command;
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StartupInfo.dwFlags = STARTF_USESHOWWINDOW;
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StartupInfo.wShowWindow = SW_SHOWDEFAULT;
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if ((CurrentJob->Flags & JOB_NONINTERACTIVE) == 0)
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{
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StartupInfo.dwFlags |= STARTF_INHERITDESKTOP;
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StartupInfo.lpDesktop = L"WinSta0\\Default";
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}
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bRet = CreateProcessW(NULL,
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CurrentJob->Command,
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NULL,
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NULL,
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FALSE,
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CREATE_NEW_CONSOLE,
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NULL,
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NULL,
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&StartupInfo,
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&ProcessInformation);
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if (bRet == FALSE)
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{
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ERR("CreateProcessW() failed (Error %lu)\n", GetLastError());
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}
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else
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{
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CloseHandle(ProcessInformation.hThread);
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CloseHandle(ProcessInformation.hProcess);
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}
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}
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CurrentEntry = CurrentEntry->Flink;
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}
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}
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static
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VOID
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GetJobName(
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HKEY hJobsKey,
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PWSTR pszJobName)
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{
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WCHAR szNameBuffer[JOB_NAME_LENGTH];
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FILETIME SystemTime;
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ULONG ulSeed, ulValue;
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HKEY hKey;
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LONG lError;
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GetSystemTimeAsFileTime(&SystemTime);
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ulSeed = SystemTime.dwLowDateTime;
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for (;;)
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{
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ulValue = RtlRandomEx(&ulSeed);
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swprintf(szNameBuffer, L"%08lx", ulValue);
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hKey = NULL;
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lError = RegOpenKeyEx(hJobsKey,
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szNameBuffer,
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0,
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KEY_READ,
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&hKey);
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if (lError != ERROR_SUCCESS)
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{
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wcscpy(pszJobName, szNameBuffer);
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return;
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}
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RegCloseKey(hKey);
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}
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}
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LONG
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SaveJob(
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_In_ PJOB pJob)
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{
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SCHEDULE Schedule;
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HKEY hJobsKey = NULL, hJobKey = NULL;
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LONG lError;
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TRACE("SaveJob()\n");
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lError = RegCreateKeyExW(HKEY_LOCAL_MACHINE,
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L"System\\CurrentControlSet\\Services\\Schedule\\Jobs",
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_WRITE,
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NULL,
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&hJobsKey,
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NULL);
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if (lError != ERROR_SUCCESS)
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goto done;
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GetJobName(hJobsKey, pJob->Name);
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lError = RegCreateKeyExW(hJobsKey,
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pJob->Name,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_WRITE,
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NULL,
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&hJobKey,
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NULL);
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if (lError != ERROR_SUCCESS)
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goto done;
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Schedule.JobTime = pJob->JobTime;
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Schedule.DaysOfMonth = pJob->DaysOfMonth;
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Schedule.DaysOfWeek = pJob->DaysOfWeek;
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Schedule.Flags = pJob->Flags;
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lError = RegSetValueEx(hJobKey,
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L"Schedule",
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0,
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REG_BINARY,
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(PBYTE)&Schedule,
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sizeof(Schedule));
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if (lError != ERROR_SUCCESS)
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goto done;
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lError = RegSetValueEx(hJobKey,
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L"Command",
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0,
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REG_SZ,
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(PBYTE)pJob->Command,
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(wcslen(pJob->Command) + 1) * sizeof(WCHAR));
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if (lError != ERROR_SUCCESS)
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goto done;
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done:
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if (hJobKey != NULL)
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RegCloseKey(hJobKey);
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if (hJobsKey != NULL)
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RegCloseKey(hJobsKey);
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return lError;
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}
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LONG
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DeleteJob(
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_In_ PJOB pJob)
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{
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HKEY hJobsKey = NULL;
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LONG lError;
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TRACE("DeleteJob()\n");
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lError = RegCreateKeyExW(HKEY_LOCAL_MACHINE,
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L"System\\CurrentControlSet\\Services\\Schedule\\Jobs",
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_WRITE,
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NULL,
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&hJobsKey,
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NULL);
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if (lError != ERROR_SUCCESS)
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goto done;
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lError = RegDeleteKey(hJobsKey,
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pJob->Name);
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if (lError != ERROR_SUCCESS)
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goto done;
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done:
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if (hJobsKey != NULL)
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RegCloseKey(hJobsKey);
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return lError;
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}
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LONG
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LoadJobs(VOID)
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{
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SCHEDULE Schedule;
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WCHAR szNameBuffer[JOB_NAME_LENGTH];
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DWORD dwNameLength, dwIndex, dwSize;
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HKEY hJobsKey = NULL, hJobKey = NULL;
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PJOB pJob = NULL;
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LONG lError;
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TRACE("LoadJobs()\n");
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lError = RegCreateKeyExW(HKEY_LOCAL_MACHINE,
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L"System\\CurrentControlSet\\Services\\Schedule\\Jobs",
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_READ,
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NULL,
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&hJobsKey,
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NULL);
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if (lError != ERROR_SUCCESS)
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goto done;
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for (dwIndex = 0; dwIndex < 1000; dwIndex++)
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{
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dwNameLength = JOB_NAME_LENGTH;
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lError = RegEnumKeyEx(hJobsKey,
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dwIndex,
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szNameBuffer,
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&dwNameLength,
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NULL,
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NULL,
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NULL,
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NULL);
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if (lError != ERROR_SUCCESS)
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{
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lError = ERROR_SUCCESS;
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break;
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}
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TRACE("KeyName: %S\n", szNameBuffer);
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lError = RegOpenKeyEx(hJobsKey,
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szNameBuffer,
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0,
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KEY_READ,
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&hJobKey);
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if (lError != ERROR_SUCCESS)
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break;
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dwSize = sizeof(SCHEDULE);
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lError = RegQueryValueEx(hJobKey,
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L"Schedule",
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NULL,
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NULL,
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(PBYTE)&Schedule,
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&dwSize);
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if (lError == ERROR_SUCCESS)
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{
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dwSize = 0;
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RegQueryValueEx(hJobKey,
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L"Command",
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NULL,
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NULL,
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NULL,
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&dwSize);
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if (dwSize != 0)
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{
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/* Allocate a new job object */
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pJob = HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(JOB) + dwSize - sizeof(WCHAR));
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if (pJob == NULL)
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{
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lError = ERROR_OUTOFMEMORY;
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break;
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}
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lError = RegQueryValueEx(hJobKey,
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L"Command",
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NULL,
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NULL,
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(PBYTE)pJob->Command,
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&dwSize);
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if (lError != ERROR_SUCCESS)
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break;
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wcscpy(pJob->Name, szNameBuffer);
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pJob->JobTime = Schedule.JobTime;
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pJob->DaysOfMonth = Schedule.DaysOfMonth;
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pJob->DaysOfWeek = Schedule.DaysOfWeek;
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pJob->Flags = Schedule.Flags;
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/* Acquire the job list lock exclusively */
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RtlAcquireResourceExclusive(&JobListLock, TRUE);
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/* Assign a new job ID */
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pJob->JobId = dwNextJobId++;
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dwJobCount++;
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/* Append the new job to the job list */
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InsertTailList(&JobListHead, &pJob->JobEntry);
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/* Calculate the next start time */
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CalculateNextStartTime(pJob);
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#if 0
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DumpStartList(&StartListHead);
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#endif
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/* Release the job list lock */
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RtlReleaseResource(&JobListLock);
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pJob = NULL;
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}
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}
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RegCloseKey(hJobKey);
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hJobKey = NULL;
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}
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done:
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if (pJob != NULL)
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HeapFree(GetProcessHeap(), 0, pJob);
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if (hJobKey != NULL)
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RegCloseKey(hJobKey);
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if (hJobsKey != NULL)
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RegCloseKey(hJobsKey);
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return lError;
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}
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static
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WORD
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DaysOfMonth(
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WORD wMonth,
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WORD wYear)
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{
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if (wMonth == 2 && wYear % 4 == 0 && wYear % 400 != 0)
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return 29;
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return wDaysArray[wMonth];
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}
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VOID
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CalculateNextStartTime(
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_In_ PJOB pJob)
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{
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SYSTEMTIME CurrentSystemTime, StartSystemTime;
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FILETIME StartFileTime;
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WORD wDaysOffset, wTempOffset, i, wJobDayOfWeek, wJobDayOfMonth;
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DWORD_PTR CurrentTimeMs;
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BOOL bDaysOffsetValid;
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ULARGE_INTEGER LocalStartTime;
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TRACE("CalculateNextStartTime(%p)\n", pJob);
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TRACE("JobTime: %lu\n", pJob->JobTime);
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TRACE("DaysOfWeek: 0x%x\n", pJob->DaysOfWeek);
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TRACE("DaysOfMonth: 0x%x\n", pJob->DaysOfMonth);
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GetLocalTime(&CurrentSystemTime);
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CurrentTimeMs = (DWORD_PTR)CurrentSystemTime.wHour * 3600000 +
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(DWORD_PTR)CurrentSystemTime.wMinute * 60000;
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bDaysOffsetValid = FALSE;
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wDaysOffset = 0;
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if ((pJob->DaysOfWeek == 0) && (pJob->DaysOfMonth == 0))
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{
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if (CurrentTimeMs >= pJob->JobTime)
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{
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TRACE("Tomorrow!\n");
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wDaysOffset = 1;
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}
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bDaysOffsetValid = TRUE;
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}
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else
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{
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if (pJob->DaysOfWeek != 0)
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{
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TRACE("DaysOfWeek!\n");
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for (i = 0; i < 7; i++)
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{
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if (pJob->DaysOfWeek & (1 << i))
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{
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/* Adjust the range */
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wJobDayOfWeek = (i + 1) % 7;
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TRACE("wJobDayOfWeek: %hu\n", wJobDayOfWeek);
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TRACE("CurrentSystemTime.wDayOfWeek: %hu\n", CurrentSystemTime.wDayOfWeek);
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/* Calculate the days offset */
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if ((CurrentSystemTime.wDayOfWeek > wJobDayOfWeek ) ||
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((CurrentSystemTime.wDayOfWeek == wJobDayOfWeek) && (CurrentTimeMs >= pJob->JobTime)))
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{
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wTempOffset = 7 - CurrentSystemTime.wDayOfWeek + wJobDayOfWeek;
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TRACE("wTempOffset: %hu\n", wTempOffset);
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}
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else
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{
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wTempOffset = wJobDayOfWeek - CurrentSystemTime.wDayOfWeek;
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TRACE("wTempOffset: %hu\n", wTempOffset);
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}
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/* Use the smallest offset */
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if (bDaysOffsetValid == FALSE)
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{
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wDaysOffset = wTempOffset;
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bDaysOffsetValid = TRUE;
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}
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else
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{
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if (wTempOffset < wDaysOffset)
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wDaysOffset = wTempOffset;
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}
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}
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}
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}
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if (pJob->DaysOfMonth != 0)
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{
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FIXME("Support DaysOfMonth!\n");
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for (i = 0; i < 31; i++)
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{
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if (pJob->DaysOfMonth & (1 << i))
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{
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/* Adjust the range */
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wJobDayOfMonth = i + 1;
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FIXME("wJobDayOfMonth: %hu\n", wJobDayOfMonth);
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FIXME("CurrentSystemTime.wDay: %hu\n", CurrentSystemTime.wDay);
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if ((CurrentSystemTime.wDay > wJobDayOfMonth) ||
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((CurrentSystemTime.wDay == wJobDayOfMonth) && (CurrentTimeMs >= pJob->JobTime)))
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{
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wTempOffset = DaysOfMonth(CurrentSystemTime.wMonth, CurrentSystemTime.wYear) -
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CurrentSystemTime.wDay + wJobDayOfMonth;
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FIXME("wTempOffset: %hu\n", wTempOffset);
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}
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else
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{
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wTempOffset = wJobDayOfMonth - CurrentSystemTime.wDay;
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FIXME("wTempOffset: %hu\n", wTempOffset);
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}
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/* Use the smallest offset */
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if (bDaysOffsetValid == FALSE)
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{
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wDaysOffset = wTempOffset;
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bDaysOffsetValid = TRUE;
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}
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else
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{
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if (wTempOffset < wDaysOffset)
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wDaysOffset = wTempOffset;
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}
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}
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}
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}
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}
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TRACE("wDaysOffset: %hu\n", wDaysOffset);
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CopyMemory(&StartSystemTime, &CurrentSystemTime, sizeof(SYSTEMTIME));
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StartSystemTime.wMilliseconds = 0;
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StartSystemTime.wSecond = 0;
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StartSystemTime.wHour = (WORD)(pJob->JobTime / 3600000);
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StartSystemTime.wMinute = (WORD)((pJob->JobTime % 3600000) / 60000);
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SystemTimeToFileTime(&StartSystemTime, &StartFileTime);
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LocalStartTime.u.LowPart = StartFileTime.dwLowDateTime;
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LocalStartTime.u.HighPart = StartFileTime.dwHighDateTime;
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if (bDaysOffsetValid && wDaysOffset != 0)
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{
|
|
LocalStartTime.QuadPart += ((ULONGLONG)wDaysOffset * 24 * 60 * 60 * 10000);
|
|
}
|
|
|
|
pJob->StartTime.dwLowDateTime = LocalStartTime.u.LowPart;
|
|
pJob->StartTime.dwHighDateTime = LocalStartTime.u.HighPart;
|
|
}
|
|
|
|
#if 0
|
|
VOID
|
|
DumpStartList(
|
|
_In_ PLIST_ENTRY StartListHead)
|
|
{
|
|
PLIST_ENTRY CurrentEntry;
|
|
PJOB CurrentJob;
|
|
|
|
CurrentEntry = JobListHead->Flink;
|
|
while (CurrentEntry != &JobListHead)
|
|
{
|
|
CurrentJob = CONTAINING_RECORD(CurrentEntry, JOB, StartEntry);
|
|
|
|
TRACE("%3lu: %016I64x\n", CurrentJob->JobId, CurrentJob->StartTime.QuadPart);
|
|
|
|
CurrentEntry = CurrentEntry->Flink;
|
|
}
|
|
}
|
|
#endif
|
|
/* EOF */
|