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");
}
}
}
void
cupsdStartBrowsing(void)
{
if (!Browsing || !BrowseLocalProtocols)
return;
#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
if (BrowseLocalProtocols & BROWSE_DNSSD)
{
# ifdef HAVE_DNSSD
DNSServiceErrorType error; /* Error from service creation */
/*
* First create a "master" connection for all registrations...
*/
if ((error = DNSServiceCreateConnection(&DNSSDMaster))
!= kDNSServiceErr_NoError)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to create master DNS-SD reference: %d", error);
if (FatalErrors & CUPSD_FATAL_BROWSE)
cupsdEndProcess(getpid(), 0);
}
else
{
/*
* Add the master connection to the select list...
*/
int fd = DNSServiceRefSockFD(DNSSDMaster);
fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
cupsdAddSelect(fd, (cupsd_selfunc_t)dnssdUpdate, NULL, NULL);
}
/*
* Set the computer name and register the web interface...
*/
DNSSDPort = 0;
cupsdUpdateDNSSDName();
# else /* HAVE_AVAHI */
if ((DNSSDMaster = avahi_threaded_poll_new()) == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create DNS-SD thread.");
if (FatalErrors & CUPSD_FATAL_BROWSE)
cupsdEndProcess(getpid(), 0);
}
else
{
int error; /* Error code, if any */
DNSSDClient = avahi_client_new(avahi_threaded_poll_get(DNSSDMaster), AVAHI_CLIENT_NO_FAIL, dnssdClientCallback, NULL, &error);
if (DNSSDClient == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to communicate with avahi-daemon: %s",
dnssdErrorString(error));
if (FatalErrors & CUPSD_FATAL_BROWSE)
cupsdEndProcess(getpid(), 0);
avahi_threaded_poll_free(DNSSDMaster);
DNSSDMaster = NULL;
}
else
avahi_threaded_poll_start(DNSSDMaster);
}
# endif /* HAVE_DNSSD */
}
#endif /* HAVE_DNSSD || HAVE_AVAHI */
/*
* Enable LPD and SMB printer sharing as needed through external programs...
*/
if (BrowseLocalProtocols & BROWSE_LPD)
update_lpd(1);
if (BrowseLocalProtocols & BROWSE_SMB)
update_smb(1);
#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
/*
* Register the individual printers
*/
dnssdRegisterAllPrinters(0);
#endif /* HAVE_DNSSD || HAVE_AVAHI */
}
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");
}
}
}
