265 lines
8.5 KiB
C++
265 lines
8.5 KiB
C++
#include "DeviceHandlerFailureIsolation.h"
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#include "../devicehandlers/DeviceHandlerIF.h"
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#include "../modes/HasModesIF.h"
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#include "../health/HealthTableIF.h"
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#include "../power/Fuse.h"
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#include "../serviceinterface/ServiceInterfaceStream.h"
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#include "../thermal/ThermalComponentIF.h"
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object_id_t DeviceHandlerFailureIsolation::powerConfirmationId =
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objects::NO_OBJECT;
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DeviceHandlerFailureIsolation::DeviceHandlerFailureIsolation(object_id_t owner,
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object_id_t parent) :
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FailureIsolationBase(owner, parent),
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strangeReplyCount(DEFAULT_MAX_STRANGE_REPLIES,
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DEFAULT_STRANGE_REPLIES_TIME_MS,
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parameterDomainBase++),
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missedReplyCount( DEFAULT_MAX_MISSED_REPLY_COUNT,
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DEFAULT_MISSED_REPLY_TIME_MS,
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parameterDomainBase++),
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recoveryCounter(DEFAULT_MAX_REBOOT, DEFAULT_REBOOT_TIME_MS,
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parameterDomainBase++),
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fdirState(NONE) {
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}
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DeviceHandlerFailureIsolation::~DeviceHandlerFailureIsolation() {
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}
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ReturnValue_t DeviceHandlerFailureIsolation::eventReceived(EventMessage* event) {
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if(isFdirInActionOrAreWeFaulty(event)) {
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return RETURN_OK;
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}
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ReturnValue_t result = RETURN_FAILED;
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switch (event->getEvent()) {
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case HasModesIF::MODE_TRANSITION_FAILED:
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case HasModesIF::OBJECT_IN_INVALID_MODE:
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//We'll try a recovery as long as defined in MAX_REBOOT.
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//Might cause some AssemblyBase cycles, so keep number low.
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handleRecovery(event->getEvent());
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break;
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case DeviceHandlerIF::DEVICE_INTERPRETING_REPLY_FAILED:
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case DeviceHandlerIF::DEVICE_READING_REPLY_FAILED:
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case DeviceHandlerIF::DEVICE_UNREQUESTED_REPLY:
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case DeviceHandlerIF::DEVICE_UNKNOWN_REPLY: //Some DH's generate generic reply-ids.
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case DeviceHandlerIF::DEVICE_BUILDING_COMMAND_FAILED:
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//These faults all mean that there were stupid replies from a device.
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if (strangeReplyCount.incrementAndCheck()) {
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handleRecovery(event->getEvent());
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}
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break;
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case DeviceHandlerIF::DEVICE_SENDING_COMMAND_FAILED:
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case DeviceHandlerIF::DEVICE_REQUESTING_REPLY_FAILED:
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//The two above should never be confirmed.
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case DeviceHandlerIF::DEVICE_MISSED_REPLY:
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result = sendConfirmationRequest(event);
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if (result == HasReturnvaluesIF::RETURN_OK) {
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break;
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}
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//else
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if (missedReplyCount.incrementAndCheck()) {
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handleRecovery(event->getEvent());
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}
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break;
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case StorageManagerIF::GET_DATA_FAILED:
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case StorageManagerIF::STORE_DATA_FAILED:
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//Rather strange bugs, occur in RAW mode only. Ignore.
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break;
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case DeviceHandlerIF::INVALID_DEVICE_COMMAND:
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//Ignore, is bad configuration. We can't do anything in flight.
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break;
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case HasHealthIF::HEALTH_INFO:
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case HasModesIF::MODE_INFO:
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case HasModesIF::CHANGING_MODE:
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//Do nothing, but mark as handled.
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break;
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//****Power*****
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case PowerSwitchIF::SWITCH_WENT_OFF:
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if(powerConfirmation != MessageQueueIF::NO_QUEUE) {
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result = sendConfirmationRequest(event, powerConfirmation);
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if (result == RETURN_OK) {
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setFdirState(DEVICE_MIGHT_BE_OFF);
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}
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}
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break;
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case Fuse::FUSE_WENT_OFF:
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//Not so good, because PCDU reacted.
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case Fuse::POWER_ABOVE_HIGH_LIMIT:
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//Better, because software detected over-current.
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setFaulty(event->getEvent());
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break;
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case Fuse::POWER_BELOW_LOW_LIMIT:
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//Device might got stuck during boot, retry.
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handleRecovery(event->getEvent());
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break;
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//****Thermal*****
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case ThermalComponentIF::COMPONENT_TEMP_LOW:
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case ThermalComponentIF::COMPONENT_TEMP_HIGH:
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case ThermalComponentIF::COMPONENT_TEMP_OOL_LOW:
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case ThermalComponentIF::COMPONENT_TEMP_OOL_HIGH:
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//Well, the device is not really faulty, but it is required to stay off as long as possible.
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setFaulty(event->getEvent());
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break;
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case ThermalComponentIF::TEMP_NOT_IN_OP_RANGE:
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//Ignore, is information only.
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break;
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//*******Default monitoring variables. Are currently not used.*****
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// case DeviceHandlerIF::MONITORING_LIMIT_EXCEEDED:
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// setFaulty(event->getEvent());
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// break;
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// case DeviceHandlerIF::MONITORING_AMBIGUOUS:
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// break;
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default:
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//We don't know the event, someone else should handle it.
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return RETURN_FAILED;
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}
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return RETURN_OK;
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}
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void DeviceHandlerFailureIsolation::eventConfirmed(EventMessage* event) {
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switch (event->getEvent()) {
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case DeviceHandlerIF::DEVICE_SENDING_COMMAND_FAILED:
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case DeviceHandlerIF::DEVICE_REQUESTING_REPLY_FAILED:
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case DeviceHandlerIF::DEVICE_MISSED_REPLY:
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if (missedReplyCount.incrementAndCheck()) {
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handleRecovery(event->getEvent());
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}
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break;
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case PowerSwitchIF::SWITCH_WENT_OFF:
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//This means the switch went off only for one device.
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handleRecovery(event->getEvent());
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break;
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default:
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break;
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}
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}
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void DeviceHandlerFailureIsolation::decrementFaultCounters() {
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strangeReplyCount.checkForDecrement();
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missedReplyCount.checkForDecrement();
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recoveryCounter.checkForDecrement();
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}
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void DeviceHandlerFailureIsolation::handleRecovery(Event reason) {
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clearFaultCounters();
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if (not recoveryCounter.incrementAndCheck()) {
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startRecovery(reason);
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} else {
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setFaulty(reason);
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}
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}
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void DeviceHandlerFailureIsolation::wasParentsFault(EventMessage* event) {
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//We'll better ignore the SWITCH_WENT_OFF event and await a system-wide reset.
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//This means, no fault message will come through until a MODE_ or
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//HEALTH_INFO message comes through -> Is that ok?
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//Same issue in TxFailureIsolation!
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// if ((event->getEvent() == PowerSwitchIF::SWITCH_WENT_OFF)
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// && (fdirState != RECOVERY_ONGOING)) {
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// setFdirState(NONE);
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// }
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}
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void DeviceHandlerFailureIsolation::clearFaultCounters() {
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strangeReplyCount.clear();
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missedReplyCount.clear();
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}
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ReturnValue_t DeviceHandlerFailureIsolation::initialize() {
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ReturnValue_t result = FailureIsolationBase::initialize();
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if (result != HasReturnvaluesIF::RETURN_OK) {
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sif::error << "DeviceHandlerFailureIsolation::initialize: Could not"
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" initialize FailureIsolationBase." << std::endl;
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return result;
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}
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ConfirmsFailuresIF* power = objectManager->get<ConfirmsFailuresIF>(
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powerConfirmationId);
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if (power != nullptr) {
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powerConfirmation = power->getEventReceptionQueue();
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}
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return RETURN_OK;
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}
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void DeviceHandlerFailureIsolation::setFdirState(FDIRState state) {
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FailureIsolationBase::throwFdirEvent(FDIR_CHANGED_STATE, state, fdirState);
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fdirState = state;
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}
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void DeviceHandlerFailureIsolation::triggerEvent(Event event, uint32_t parameter1,
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uint32_t parameter2) {
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//Do not throw error events if fdirState != none.
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//This will still forward MODE and HEALTH INFO events in any case.
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if (fdirState == NONE || event::getSeverity(event) == severity::INFO) {
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FailureIsolationBase::triggerEvent(event, parameter1, parameter2);
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}
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}
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bool DeviceHandlerFailureIsolation::isFdirActionInProgress() {
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return (fdirState != NONE);
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}
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void DeviceHandlerFailureIsolation::startRecovery(Event reason) {
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throwFdirEvent(FDIR_STARTS_RECOVERY, event::getEventId(reason));
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setOwnerHealth(HasHealthIF::NEEDS_RECOVERY);
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setFdirState(RECOVERY_ONGOING);
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}
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ReturnValue_t DeviceHandlerFailureIsolation::getParameter(uint8_t domainId,
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uint16_t parameterId, ParameterWrapper* parameterWrapper,
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const ParameterWrapper* newValues, uint16_t startAtIndex) {
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ReturnValue_t result = strangeReplyCount.getParameter(domainId, parameterId,
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parameterWrapper, newValues, startAtIndex);
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if (result != INVALID_DOMAIN_ID) {
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return result;
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}
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result = missedReplyCount.getParameter(domainId, parameterId,
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parameterWrapper, newValues, startAtIndex);
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if (result != INVALID_DOMAIN_ID) {
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return result;
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}
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result = recoveryCounter.getParameter(domainId, parameterId,
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parameterWrapper, newValues, startAtIndex);
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if (result != INVALID_DOMAIN_ID) {
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return result;
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}
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return INVALID_DOMAIN_ID;
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}
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void DeviceHandlerFailureIsolation::setFaulty(Event reason) {
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throwFdirEvent(FDIR_TURNS_OFF_DEVICE, event::getEventId(reason));
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setOwnerHealth(HasHealthIF::FAULTY);
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setFdirState(AWAIT_SHUTDOWN);
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}
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bool DeviceHandlerFailureIsolation::isFdirInActionOrAreWeFaulty(
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EventMessage* event) {
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if (fdirState != NONE) {
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//Only wait for those events, ignore all others.
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if (event->getParameter1() == HasHealthIF::HEALTHY
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&& event->getEvent() == HasHealthIF::HEALTH_INFO) {
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setFdirState(NONE);
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}
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if (event->getEvent() == HasModesIF::MODE_INFO
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&& fdirState != RECOVERY_ONGOING) {
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setFdirState(NONE);
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}
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return true;
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}
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if (owner == nullptr) {
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// Configuration error.
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sif::error << "DeviceHandlerFailureIsolation::"
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<< "isFdirInActionOrAreWeFaulty: Owner not set!" << std::endl;
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return false;
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}
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if (owner->getHealth() == HasHealthIF::FAULTY
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|| owner->getHealth() == HasHealthIF::PERMANENT_FAULTY) {
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//Ignore all events in case device is already faulty.
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return true;
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}
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return false;
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}
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