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"); } } }