コード例 #1
0
ファイル: sysman.c プロジェクト: thangap/tizen-release
static void
sysUpdate(void)
{
  int			i;		/* Looping var */
  cupsd_sysevent_t	sysevent;	/* The system event */
  cupsd_printer_t	*p;		/* Printer information */


 /*
  * Drain the event pipe...
  */

  while (read((int)SysEventPipes[0], &sysevent, sizeof(sysevent))
             == sizeof(sysevent))
  {
    if (sysevent.event & SYSEVENT_CANSLEEP)
    {
     /*
      * If there are active printers that don't have the connecting-to-device
      * printer-state-reason then cancel the sleep request (i.e. this reason
      * indicates a job that is not yet connected to the printer)...
      */

      for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
           p;
	   p = (cupsd_printer_t *)cupsArrayNext(Printers))
      {
        if (p->job)
        {
	  for (i = 0; i < p->num_reasons; i ++)
	    if (!strcmp(p->reasons[i], "connecting-to-device"))
	      break;

	  if (!p->num_reasons || i >= p->num_reasons)
	    break;
        }
      }

      if (p)
      {
        cupsdLogMessage(CUPSD_LOG_INFO,
	                "System sleep canceled because printer %s is active",
	                p->name);
        IOCancelPowerChange(sysevent.powerKernelPort,
	                    sysevent.powerNotificationID);
      }
      else
      {
	cupsdLogMessage(CUPSD_LOG_DEBUG, "System wants to sleep");
        IOAllowPowerChange(sysevent.powerKernelPort,
	                   sysevent.powerNotificationID);
      }
    }

    if (sysevent.event & SYSEVENT_WILLSLEEP)
    {
      cupsdLogMessage(CUPSD_LOG_DEBUG, "System going to sleep");

      Sleeping = 1;

      for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
           p;
	   p = (cupsd_printer_t *)cupsArrayNext(Printers))
      {
	cupsdLogMessage(CUPSD_LOG_DEBUG,
			"Deregistering local printer \"%s\"", p->name);
	cupsdDeregisterPrinter(p, 0);
      }

      cupsdCleanDirty();

#ifdef kIOPMAssertionTypeDenySystemSleep
     /*
      * Remove our assertion as needed since the user wants the system to
      * sleep (different than idle sleep)...
      */

      if (dark_wake)
      {
	cupsdLogMessage(CUPSD_LOG_DEBUG, "Releasing dark wake assertion.");
	IOPMAssertionRelease(dark_wake);
	dark_wake = 0;
      }
#endif /* kIOPMAssertionTypeDenySystemSleep */

     /*
      * If we have no printing jobs, allow the power change immediately.
      * Otherwise set the SleepJobs time to 15 seconds in the future when
      * we'll take more drastic measures...
      */

      if (cupsArrayCount(PrintingJobs) == 0)
	IOAllowPowerChange(sysevent.powerKernelPort,
			   sysevent.powerNotificationID);
      else
      {
       /*
	* If there are active printers that don't have the connecting-to-device
	* printer-state-reason then delay the sleep request (i.e. this reason
	* indicates a job that is not yet connected to the printer)...
	*/

	for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
	     p;
	     p = (cupsd_printer_t *)cupsArrayNext(Printers))
	{
	  if (p->job)
	  {
	    for (i = 0; i < p->num_reasons; i ++)
	      if (!strcmp(p->reasons[i], "connecting-to-device"))
		break;

	    if (!p->num_reasons || i >= p->num_reasons)
	      break;
	  }
	}

	if (p)
	{
	  LastSysEvent = sysevent;
	  SleepJobs    = time(NULL) + 10;
	}
	else
	{
	  IOAllowPowerChange(sysevent.powerKernelPort,
			     sysevent.powerNotificationID);
	}
      }
    }

    if (sysevent.event & SYSEVENT_WOKE)
    {
      cupsdLogMessage(CUPSD_LOG_DEBUG, "System woke from sleep");
      IOAllowPowerChange(sysevent.powerKernelPort,
                         sysevent.powerNotificationID);
      Sleeping = 0;

#ifdef kIOPMAssertionTypeDenySystemSleep
      if (cupsArrayCount(PrintingJobs) > 0 && !dark_wake)
      {
	cupsdLogMessage(CUPSD_LOG_DEBUG, "Asserting dark wake.");
	IOPMAssertionCreateWithName(kIOPMAssertionTypeDenySystemSleep,
				    kIOPMAssertionLevelOn,
				    CFSTR("org.cups.cupsd"), &dark_wake);
      }
#endif /* kIOPMAssertionTypeDenySystemSleep */

      cupsdCheckJobs();
    }

    if (sysevent.event & SYSEVENT_NETCHANGED)
    {
      if (!Sleeping)
        cupsdLogMessage(CUPSD_LOG_DEBUG,
	                "System network configuration changed");
      else
        cupsdLogMessage(CUPSD_LOG_DEBUG,
	                "System network configuration changed; "
			"ignored while sleeping");
    }

    if (sysevent.event & SYSEVENT_NAMECHANGED)
    {
      if (!Sleeping)
      {
        cupsdLogMessage(CUPSD_LOG_DEBUG,
	                "Computer name or BTMM domains changed");

       /*
	* De-register the individual printers...
	*/

	for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
	     p;
	     p = (cupsd_printer_t *)cupsArrayNext(Printers))
	  cupsdDeregisterPrinter(p, 1);

#  if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
       /*
        * Update the computer name and BTMM domain list...
	*/

	cupsdUpdateDNSSDName();
#  endif /* HAVE_DNSSD || HAVE_AVAHI */

       /*
	* Now re-register them...
	*/

	for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
	     p;
	     p = (cupsd_printer_t *)cupsArrayNext(Printers))
	  cupsdRegisterPrinter(p);
      }
      else
        cupsdLogMessage(CUPSD_LOG_DEBUG,
	                "Computer name or BTMM domains changed; ignored while "
			"sleeping");
    }
  }
}
コード例 #2
0
ファイル: sysman.c プロジェクト: ystk/debian-cups
static void
sysUpdate(void)
{
  int			i;		/* Looping var */
  cupsd_sysevent_t	sysevent;	/* The system event */
  cupsd_printer_t	*p;		/* Printer information */


 /*
  * Drain the event pipe...
  */

  while (read((int)SysEventPipes[0], &sysevent, sizeof(sysevent))
             == sizeof(sysevent))
  {
    if (sysevent.event & SYSEVENT_CANSLEEP)
    {
     /*
      * If there are active printers that don't have the connecting-to-device
      * printer-state-reason then cancel the sleep request (i.e. this reason
      * indicates a job that is not yet connected to the printer)...
      */

      for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
           p;
	   p = (cupsd_printer_t *)cupsArrayNext(Printers))
      {
        if (p->job)
        {
	  for (i = 0; i < p->num_reasons; i ++)
	    if (!strcmp(p->reasons[i], "connecting-to-device"))
	      break;

	  if (!p->num_reasons || i >= p->num_reasons)
	    break;
        }
      }

      if (p)
      {
        cupsdLogMessage(CUPSD_LOG_INFO,
	                "System sleep canceled because printer %s is active",
	                p->name);
        IOCancelPowerChange(sysevent.powerKernelPort,
	                    sysevent.powerNotificationID);
      }
      else
      {
	cupsdLogMessage(CUPSD_LOG_DEBUG, "System wants to sleep");
        IOAllowPowerChange(sysevent.powerKernelPort,
	                   sysevent.powerNotificationID);
      }
    }

    if (sysevent.event & SYSEVENT_WILLSLEEP)
    {
      cupsdLogMessage(CUPSD_LOG_DEBUG, "System going to sleep");

      Sleeping = 1;

      for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
           p;
	   p = (cupsd_printer_t *)cupsArrayNext(Printers))
      {
	if (p->type & CUPS_PRINTER_DISCOVERED)
	{
	  cupsdLogMessage(CUPSD_LOG_DEBUG,
	                  "Deleting remote destination \"%s\"", p->name);
	  cupsArraySave(Printers);
	  cupsdDeletePrinter(p, 0);
	  cupsArrayRestore(Printers);
	}
	else
	{
	  cupsdLogMessage(CUPSD_LOG_DEBUG,
	                  "Deregistering local printer \"%s\"", p->name);
	  cupsdDeregisterPrinter(p, 0);
	}
      }

      cupsdCleanDirty();

     /*
      * If we have no printing jobs, allow the power change immediately.
      * Otherwise set the SleepJobs time to 15 seconds in the future when
      * we'll take more drastic measures...
      */

      if (cupsArrayCount(PrintingJobs) == 0)
	IOAllowPowerChange(sysevent.powerKernelPort,
			   sysevent.powerNotificationID);
      else
      {
        LastSysEvent = sysevent;
        SleepJobs    = time(NULL) + 15;
      }
    }

    if (sysevent.event & SYSEVENT_WOKE)
    {
      cupsdLogMessage(CUPSD_LOG_DEBUG, "System woke from sleep");
      IOAllowPowerChange(sysevent.powerKernelPort,
                         sysevent.powerNotificationID);
      Sleeping = 0;
      cupsdCheckJobs();
    }

    if (sysevent.event & SYSEVENT_NETCHANGED)
    {
      if (!Sleeping)
      {
        cupsdLogMessage(CUPSD_LOG_DEBUG,
	                "System network configuration changed");

       /*
        * Resetting browse_time before calling cupsdSendBrowseList causes
	* browse packets to be sent for local shared printers.
        */

	for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
	     p;
	     p = (cupsd_printer_t *)cupsArrayNext(Printers))
	  p->browse_time = 0;

        cupsdSendBrowseList();
	cupsdRestartPolling();
      }
      else
        cupsdLogMessage(CUPSD_LOG_DEBUG,
	                "System network configuration changed; "
			"ignored while sleeping");
    }

    if (sysevent.event & SYSEVENT_NAMECHANGED)
    {
      if (!Sleeping)
      {
        cupsdLogMessage(CUPSD_LOG_DEBUG,
	                "Computer name or BTMM domains changed");

       /*
	* De-register the individual printers...
	*/

	for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
	     p;
	     p = (cupsd_printer_t *)cupsArrayNext(Printers))
	  cupsdDeregisterPrinter(p, 1);

       /*
        * Update the computer name and BTMM domain list...
	*/

	cupsdUpdateDNSSDName();

       /*
	* Now re-register them...
	*/

	for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
	     p;
	     p = (cupsd_printer_t *)cupsArrayNext(Printers))
	{
	  p->browse_time = 0;
	  cupsdRegisterPrinter(p);
	}
      }
      else
        cupsdLogMessage(CUPSD_LOG_DEBUG,
	                "Computer name or BTMM domains changed; ignored while "
			"sleeping");
    }
  }
}