//
// FUNCTION: service_ctrl
//
// PURPOSE: This function is called by the SCM whenever
// ControlService() is called on this service.
//
// PARAMETERS:
// dwCtrlCode - type of control requested
//
// RETURN VALUE:
// none
//
// COMMENTS: See the user-defined Handler() entry in the PSDK
//
VOID WINAPI service_ctrl(DWORD dwCtrlCode)
{
switch(dwCtrlCode)
{
// Stop the service.
//
case SERVICE_CONTROL_SHUTDOWN:
case SERVICE_CONTROL_STOP:
ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_INFO, NULL,
"Service Stop/Shutdown signaled, shutting down server.");
ReportStatusToSCMgr(SERVICE_STOP_PENDING, NO_ERROR, 15000);
ap_start_shutdown();
break;
case SERVICE_APACHE_RESTART:
ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_INFO, NULL,
"Service Restart signaled, shutting down server.");
ReportStatusToSCMgr(SERVICE_START_PENDING, NO_ERROR, 15000);
ap_start_restart(1);
break;
// Update the service status.
//
case SERVICE_CONTROL_INTERROGATE:
ReportStatusToSCMgr(globdat.ssStatus.dwCurrentState, NO_ERROR, 0);
break;
// invalid control code, ignored
//
default:
break;
}
}
int send_signal_to_service(char *display_name, char *sig,
int argc, char **argv)
{
DWORD service_pid;
HANDLE hwnd;
SC_HANDLE schService;
SC_HANDLE schSCManager;
char *service_name;
int success = FALSE;
enum { start, restart, stop, unknown } action;
static char *param[] = { "start", "restart", "shutdown" };
static char *participle[] = { "starting", "restarting", "stopping" };
static char *past[] = { "started", "restarted", "stopped" };
for (action = start; action < unknown; action++)
if (!strcasecmp(sig, param[action]))
break;
if (action == unknown) {
printf("signal must be start, restart, or shutdown\n");
return FALSE;
}
service_name = get_service_name(display_name);
if (isWindowsNT())
{
schSCManager = OpenSCManager(
NULL, // machine (NULL == local)
NULL, // database (NULL == default)
SC_MANAGER_ALL_ACCESS // access required
);
if (!schSCManager) {
ap_log_error(APLOG_MARK, APLOG_ERR|APLOG_WIN32ERROR, NULL,
"OpenSCManager failed");
return FALSE;
}
schService = OpenService(schSCManager, service_name, SERVICE_ALL_ACCESS);
if (schService == NULL) {
/* Could not open the service */
ap_log_error(APLOG_MARK, APLOG_ERR|APLOG_WIN32ERROR, NULL,
"OpenService failed");
CloseServiceHandle(schSCManager);
return FALSE;
}
if (!QueryServiceStatus(schService, &globdat.ssStatus)) {
ap_log_error(APLOG_MARK, APLOG_ERR|APLOG_WIN32ERROR, NULL,
"QueryService failed");
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
}
else /* !isWindowsNT() */
{
/* Locate the window named service_name of class ApacheWin95ServiceMonitor
* from the active top level windows
*/
hwnd = FindWindow("ApacheWin95ServiceMonitor", service_name);
if (hwnd && GetWindowThreadProcessId(hwnd, &service_pid))
globdat.ssStatus.dwCurrentState = SERVICE_RUNNING;
else
globdat.ssStatus.dwCurrentState = SERVICE_STOPPED;
}
if (globdat.ssStatus.dwCurrentState == SERVICE_STOPPED
&& action == stop) {
printf("The %s service is not started.\n", display_name);
return FALSE;
}
else if (globdat.ssStatus.dwCurrentState == SERVICE_RUNNING
&& action == start) {
printf("The %s service has already been started.\n", display_name);
strcpy(sig, "");
return FALSE;
}
else
{
printf("The %s service is %s.\n", display_name, participle[action]);
if (isWindowsNT())
{
if (action == stop)
success = ap_stop_service(schService);
else if ((action == start)
|| ((action == restart)
&& (globdat.ssStatus.dwCurrentState
== SERVICE_STOPPED)))
{
/* start NT service needs service args */
char **args = malloc(argc * sizeof(char*));
int i, j;
for (i = 1, j = 0; i < argc; i++) {
if ((argv[i][0] == '-') && ((argv[i][1] == 'k')
|| (argv[i][1] == 'n')))
++i;
else
args[j++] = argv[i];
}
success = ap_start_service(schService, j, args);
}
else if (action == restart)
success = ap_restart_service(schService);
}
else /* !isWindowsNT()) */
{
char prefix[20];
ap_snprintf(prefix, sizeof(prefix), "ap%ld", (long)service_pid);
setup_signal_names(prefix);
if (action == stop) {
int ticks = 60;
ap_start_shutdown();
while (--ticks)
{
if (!IsWindow(hwnd)) {
success = TRUE;
break;
}
Sleep(1000);
}
}
else if (action == restart)
{
/* This gets a bit tricky... start and restart (of stopped service)
* will simply fall through and *THIS* process will fade into an
* invisible 'service' process, detaching from the user's console.
* We need to change the restart signal to "start", however,
* if the service was not -yet- running, and we do return FALSE
* to assure main() that we haven't done anything yet.
*/
if (globdat.ssStatus.dwCurrentState == SERVICE_STOPPED)
{
printf("The %s service has %s.\n", display_name,
past[action]);
strcpy(sig, "start");
return FALSE;
}
ap_start_restart(1);
success = TRUE;
}
else /* action == start */
{
printf("The %s service is %s.\n", display_name,
past[action]);
return FALSE;
}
}
if( success )
printf("The %s service has %s.\n", display_name, past[action]);
else
printf("Failed to %s the %s service.\n", sig, display_name);
}
if (isWindowsNT()) {
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
return success;
}
static void restart(int sig)
{
ap_start_restart(sig == AP_SIG_GRACEFUL);
}
