File indexing completed on 2024-04-14 05:26:59

 // SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 // SPDX-FileCopyrightText: 2020-2021 Harald Sitter <sitter@kde.org>
 
 #include "smartdata.h"
 
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QJsonValue>
 
 #include "kded_debug.h"
 
 SMARTStatus::SMARTStatus(const QJsonObject &object)
     : m_passed(object[QStringLiteral("passed")].toBool())
 {
     // Should we decide to map the value. Its meaning is "defined" in
     // nvmeprint.cpp of smartmontools
 }
 SMARTCtlData::SMARTCtlData(const QJsonObject &object)
     : m_exitStatus(object[QStringLiteral("exit_status")].toInt(static_cast<int>(SMART::Failure::None)))
 {
 }
 
 SMART::Failures SMARTCtlData::failure() const
 {
     return {static_cast<SMART::Failure>(m_exitStatus)};
 }
 
 SMARTData::SMARTData(const QJsonDocument &document)
     : m_smartctl(SMARTCtlData(document.object()[QStringLiteral("smartctl")].toObject()))
     , m_status(SMARTStatus(document.object()[QStringLiteral("smart_status")].toObject()))
     , m_device(document.object()[QStringLiteral("device")].toObject()[QStringLiteral("name")].toString())
     , m_valid(checkValid(document))
 {
 }
 
 bool SMARTData::checkValid(const QJsonDocument &document) const
 {
     if (m_smartctl.failure() & SMART::Failure::CmdLineParse) {
         qCDebug(KDED) << "Command line error" << m_device << document.toJson();
         return false;
     }
     if (m_smartctl.failure() & SMART::Failure::DeviceOpen) {
         qCDebug(KDED) << "Failed to open device" << m_device << document.toJson();
         return false;
     }
     const bool hasSMARTStatus = document.object().contains(QStringLiteral("smart_status"));
     const bool internalCommandFailure = (m_smartctl.failure() & SMART::Failure::InternalCommand);
     if (!hasSMARTStatus && internalCommandFailure) {
         // VirtualBox drives return with InternalCommand problems and no SMART data. Consider the data invalid.
         // If we also have other failure codes we'll still want to consider the data valid as it might indicate
         // problems.
         qCDebug(KDED) << "Internal command problems resulted in no smart_status data" << m_device << document.toJson();
         return false;
     }
     const bool noFailure = m_smartctl.failure() == SMART::Failures();
     if (!hasSMARTStatus && noFailure) {
         // When SMART is disabled we may get a blob back but it will lack any information on the SMART status.
         // Unfortunately the fact that SMART was disabled (versus not available etc.) isn't codified in the JSON.
         // https://bugs.kde.org/show_bug.cgi?id=435699
         qCDebug(KDED) << "SMART support is either disabled or not supported on the device" << m_device << document.toJson();
         return false;
     }
 
     return true;
 }