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Clean up the pause and resume code and a few other bits and bobs

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svn path=/trunk/; revision=44965
This commit is contained in:
Ged Murphy 2010-01-05 21:43:00 +00:00
parent 5dfb2cc0c3
commit d4aca75523
4 changed files with 98 additions and 82 deletions
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164
reactos/base/applications/mscutils/servman/control.c
View file

@ -2,158 +2,168 @@
* PROJECT: ReactOS Services
* LICENSE: GPL - See COPYING in the top level directory
* FILE: base/applications/mscutils/servman/control.c
* PURPOSE: Stops, pauses and resumes a service
* COPYRIGHT: Copyright 2006-2007 Ged Murphy <gedmurphy@reactos.org>
* PURPOSE: Pauses and resumes a service
* COPYRIGHT: Copyright 2006-2010 Ged Murphy <gedmurphy@reactos.org>
*
*/
#include "precomp.h"
BOOL
Control(PMAIN_WND_INFO Info,
HWND hProgDlg,
DWORD Control)
static BOOL
DoControl(PMAIN_WND_INFO Info,
HWND hProgress,
DWORD Control)
{
SC_HANDLE hSCManager;
SC_HANDLE hSc;
SC_HANDLE hService;
SERVICE_STATUS_PROCESS ServiceStatus = {0};
SERVICE_STATUS Status;
DWORD BytesNeeded = 0;
DWORD dwStartTickCount;
DWORD dwOldCheckPoint;
DWORD dwWaitTime;
DWORD dwMaxWait;
BOOL bRet = FALSE;
BOOL bDispErr = TRUE;
hSCManager = OpenSCManager(NULL,
NULL,
SC_MANAGER_ALL_ACCESS);
if (hSCManager != NULL)
SC_MANAGER_CONNECT);
if (hSCManager)
{
hSc = OpenService(hSCManager,
Info->pCurrentService->lpServiceName,
SERVICE_ALL_ACCESS);
if (hSc != NULL)
hService = OpenService(hSCManager,
Info->pCurrentService->lpServiceName,
SERVICE_PAUSE_CONTINUE | SERVICE_INTERROGATE | SERVICE_QUERY_CONFIG);
if (hService)
{
if (ControlService(hSc,
if (hProgress)
{
/* Increment the progress bar */
IncrementProgressBar(hProgress, DEFAULT_STEP);
}
/* Send the control message to the service */
if (ControlService(hService,
Control,
&Status))
{
bDispErr = FALSE;
if (QueryServiceStatusEx(hSc,
/* Get the service status */
if (QueryServiceStatusEx(hService,
SC_STATUS_PROCESS_INFO,
(LPBYTE)&ServiceStatus,
sizeof(SERVICE_STATUS_PROCESS),
&BytesNeeded))
{
DWORD dwStartTickCount = GetTickCount();
DWORD dwOldCheckPoint = ServiceStatus.dwCheckPoint;
DWORD dwMaxWait = 2000 * 60; // wait for 2 mins
IncrementProgressBar(hProgDlg, DEFAULT_STEP);
/* We don't want to wait for more than 30 seconds */
dwMaxWait = 30000;
dwStartTickCount = GetTickCount();
/* Loop until it's at the correct state */
while (ServiceStatus.dwCurrentState != Control)
{
DWORD dwWaitTime = ServiceStatus.dwWaitHint / 10;
dwOldCheckPoint = ServiceStatus.dwCheckPoint;
dwWaitTime = ServiceStatus.dwWaitHint / 10;
if (!QueryServiceStatusEx(hSc,
/* Get the latest status info */
if (!QueryServiceStatusEx(hService,
SC_STATUS_PROCESS_INFO,
(LPBYTE)&ServiceStatus,
sizeof(SERVICE_STATUS_PROCESS),
&BytesNeeded))
{
/* Something went wrong... */
break;
}
/* Is the service making progress? */
if (ServiceStatus.dwCheckPoint > dwOldCheckPoint)
{
/* The service is making progress, increment the progress bar */
IncrementProgressBar(hProgDlg, DEFAULT_STEP);
/* It is, get the latest tickcount to reset the max wait time */
dwStartTickCount = GetTickCount();
dwOldCheckPoint = ServiceStatus.dwCheckPoint;
IncrementProgressBar(hProgress, DEFAULT_STEP);
}
else
{
/* It's not, make sure we haven't exceeded our wait time */
if(GetTickCount() >= dwStartTickCount + dwMaxWait)
{
/* give up */
/* We have, give up */
break;
}
}
if(dwWaitTime < 200)
/* Adjust the wait hint times */
if (dwWaitTime < 200)
dwWaitTime = 200;
else if (dwWaitTime > 10000)
dwWaitTime = 10000;
/* Wait before trying again */
Sleep(dwWaitTime);
}
}
if (ServiceStatus.dwCurrentState == Control)
{
bRet = TRUE;
}
}
CloseServiceHandle(hSc);
CloseServiceHandle(hService);
}
CloseServiceHandle(hSCManager);
}
if (ServiceStatus.dwCurrentState == Control)
return bRet;
}
BOOL
DoPause(PMAIN_WND_INFO Info)
{
HWND hProgress;
BOOL bRet = FALSE;
/* Create a progress window to track the progress of the pausing service */
hProgress = CreateProgressDialog(Info->hMainWnd,
IDS_PROGRESS_INFO_PAUSE);
if (hProgress)
{
CompleteProgressBar(hProgDlg);
Sleep(500);
bRet = TRUE;
}
else
{
if (bDispErr)
GetError();
else
DisplayString(_T("The service failed to start"));
/* Set the service name and reset the progress bag */
InitializeProgressDialog(hProgress, Info->pCurrentService->lpServiceName);
/* Resume the requested service */
bRet = DoControl(Info, hProgress, SERVICE_CONTROL_PAUSE);
/* Complete and destroy the progress bar */
DestroyProgressDialog(hProgress, bRet);
}
return bRet;
}
BOOL DoPause(PMAIN_WND_INFO Info)
BOOL
DoResume(PMAIN_WND_INFO Info)
{
BOOL ret = FALSE;
HWND hProgDlg;
HWND hProgress;
BOOL bRet = FALSE;
hProgDlg = CreateProgressDialog(Info->hMainWnd,
IDS_PROGRESS_INFO_PAUSE);
if (hProgDlg)
/* Create a progress window to track the progress of the resuming service */
hProgress = CreateProgressDialog(Info->hMainWnd,
IDS_PROGRESS_INFO_RESUME);
if (hProgress)
{
InitializeProgressDialog(hProgDlg, Info->pCurrentService->lpServiceName);
/* Set the service name and reset the progress bag */
InitializeProgressDialog(hProgress, Info->pCurrentService->lpServiceName);
ret = Control(Info,
hProgDlg,
SERVICE_CONTROL_PAUSE);
/* Resume the requested service */
bRet = DoControl(Info, hProgress, SERVICE_CONTROL_CONTINUE);
DestroyWindow(hProgDlg);
/* Complete and destroy the progress bar */
DestroyProgressDialog(hProgress, bRet);
}
return ret;
}
BOOL DoResume(PMAIN_WND_INFO Info)
{
BOOL ret = FALSE;
HWND hProgDlg;
hProgDlg = CreateProgressDialog(Info->hMainWnd,
IDS_PROGRESS_INFO_RESUME);
if (hProgDlg)
{
InitializeProgressDialog(hProgDlg, Info->pCurrentService->lpServiceName);
ret = Control(Info,
hProgDlg,
SERVICE_CONTROL_CONTINUE);
DestroyWindow(hProgDlg);
}
return ret;
return bRet;
}

10
reactos/base/applications/mscutils/servman/precomp.h
View file

@ -90,7 +90,7 @@ typedef struct _STOP_INFO
} STOP_INFO, *PSTOP_INFO;
/* control */
BOOL Control(PMAIN_WND_INFO Info, HWND hProgDlg, DWORD Control);
BOOL Control(PMAIN_WND_INFO Info, HWND hProgress, DWORD Control);
BOOL DoStop(PMAIN_WND_INFO Info);
BOOL DoPause(PMAIN_WND_INFO Info);
BOOL DoResume(PMAIN_WND_INFO Info);
@ -98,10 +98,10 @@ BOOL DoResume(PMAIN_WND_INFO Info);
/* progress.c */
#define DEFAULT_STEP 0
HWND CreateProgressDialog(HWND hParent, UINT LabelId);
BOOL DestroyProgressDialog(HWND hProgDlg, BOOL bComplete);
VOID InitializeProgressDialog(HWND hProgDlg, LPWSTR lpServiceName);
VOID IncrementProgressBar(HWND hProgDlg, UINT NewPos);
VOID CompleteProgressBar(HWND hProgDlg);
BOOL DestroyProgressDialog(HWND hProgress, BOOL bComplete);
VOID InitializeProgressDialog(HWND hProgress, LPWSTR lpServiceName);
VOID IncrementProgressBar(HWND hProgress, UINT NewPos);
VOID CompleteProgressBar(HWND hProgress);
/* query.c */
ENUM_SERVICE_STATUS_PROCESS* GetSelectedService(PMAIN_WND_INFO Info);

2
reactos/base/applications/mscutils/servman/start.c
View file

@ -39,6 +39,7 @@ DoStartService(PMAIN_WND_INFO Info,
IncrementProgressBar(hProgress, DEFAULT_STEP);
}
/* Start the service */
bRet = StartService(hService,
0,
NULL);
@ -85,6 +86,7 @@ DoStartService(PMAIN_WND_INFO Info,
/* It is, get the latest tickcount to reset the max wait time */
dwStartTickCount = GetTickCount();
dwOldCheckPoint = ServiceStatus.dwCheckPoint;
IncrementProgressBar(hProgress, DEFAULT_STEP);
}
else
{

4
reactos/base/applications/mscutils/servman/stop.c
View file

@ -197,6 +197,10 @@ DoStop(PMAIN_WND_INFO pInfo)
/* Don't stop the main service if the user selected not to */
bStopMainService = FALSE;
}
HeapFree(GetProcessHeap(),
0,
lpServiceList);
}
/* If the service has no running dependents, then we stop it here */