8  *     http://www.apache.org/licenses/LICENSE-2.0
24 #include <phosphor-logging/log.hpp>
36 using namespace sdbusplus::bus::match;
38 Fan::Fan(Mode mode, sdbusplus::bus_t& bus, const sdeventplus::Event& event,  in Fan()  argument
41     _bus(bus), _name(def.name), _deviation(def.deviation),  in Fan()
50     _presenceMatch(bus,  in Fan()
56         bus,  in Fan()
68             mode, bus, *this, s.name, s.hasTarget, def.funcDelay,  in Fan()
73         _trustManager->registerSensor(_sensors.back());  in Fan()
82         // the inventory update threw an exception, possibly because D-Bus  in Fan()
84         // false-alarm. They will be updated again from subscribing to the  in Fan()
85         // properties-changed event  in Fan()
88             sensor->setFunctional(true);  in Fan()
127                 _fanMissingErrorTimer->restartOnce(  in Fan()
153     auto property = properties->second.find("Present");  in presenceIfaceAdded()
154     if (property == properties->second.end())  in presenceIfaceAdded()
159     _present = std::get<bool>(property->second);  in presenceIfaceAdded()
167             _fanMissingErrorTimer->restartOnce(  in presenceIfaceAdded()
183             // on D-Bus.  If it isn't, now set it to nonfunctional.  in startMonitor()
186             // those sensors show up on D-Bus.  in startMonitor()
187             sensor->updateTachAndTarget();  in startMonitor()
192             // The tach property still isn't on D-Bus. Ensure  in startMonitor()
196                 "Monitoring starting but {} sensor value not on D-Bus",  in startMonitor()
197                 sensor->name()));  in startMonitor()
199             sensor->setFunctional(false, true);  in startMonitor()
236     if (_trustManager->active())  in tachChanged()
238         if (!_trustManager->checkTrust(sensor))  in tachChanged()
245     // to an out of range sensor the count timer will take over in calling  in tachChanged()
255     if (_trustManager->active() && !_trustManager->checkTrust(sensor))  in countTimerExpired()
264     // If this sensor is out of range at this moment, start  in process()
335         return s->hasTarget();  in findTargetSpeed()
340         target = (*s)->getTarget();  in findTargetSpeed()
349         return !s->functional();  in countNonFunctionalSensors()
361     auto range = sensor.getRange(_deviation, _upperDeviation);  in outOfRange()  local
363     return ((actual < range.first) ||  in outOfRange()
364             (range.second && actual > range.second.value()));  in outOfRange()
374     auto range = sensor.getRange(_deviation, _upperDeviation);  in updateState()  local
376     if (range.second)  in updateState()
378         rangeMax = std::to_string(range.second.value());  in updateState()
382     // isn't on D-Bus as this isn't a fan hardware problem.  in updateState()
387         "[target = {}, actual = {}, allowed range = ({} - {}) "  in updateState()
390         sensor.getInput(), range.first, rangeMax, sensor.hasOwner()));  in updateState()
422     // on D-Bus so a running system isn't shutdown.  in updateState()
452             std::format("D-Bus Exception reading/updating inventory : {}",  in updateInventory()
473         _present = std::get<bool>(presentProp->second);  in presenceChanged()
482                 sensor->setFunctional(true);  in presenceChanged()
483                 sensor->resetMethod();  in presenceChanged()
493                 _fanMissingErrorTimer->restartOnce(  in presenceChanged()
496             else if (_present && _fanMissingErrorTimer->isEnabled())  in presenceChanged()
498                 _fanMissingErrorTimer->setEnabled(false);  in presenceChanged()
524                 // Force a getProperty call.  If sensor is on D-Bus,  in powerStateChanged()
526                 sensor->updateTachAndTarget();  in powerStateChanged()
533                     if (!sensor->functional())  in powerStateChanged()
535                         sensor->setFunctional(true);  in powerStateChanged()
540                     if (sensor->getMethod() == MethodMode::count)  in powerStateChanged()
542                         sensor->resetMethod();  in powerStateChanged()
548                 // Properties still aren't on D-Bus.  Let startMonitor()  in powerStateChanged()
550                 // there aren't any sensors at all on D-Bus.  in powerStateChanged()
552                     "At power on, tach sensor {} value not on D-Bus",  in powerStateChanged()
553                     sensor->name()));  in powerStateChanged()
577                 _fanMissingErrorTimer->restartOnce(  in powerStateChanged()
591         if (_fanMissingErrorTimer && _fanMissingErrorTimer->isEnabled())  in powerStateChanged()
593             _fanMissingErrorTimer->setEnabled(false);  in powerStateChanged()
597             if (sensor->timerRunning())  in powerStateChanged()
599                 sensor->stopTimer();  in powerStateChanged()
602             sensor->stopCountTimer();  in powerStateChanged()