reHDD/include/drive.h

/**
 * @file    drive.h
 * @brief   represent physical drive
 * @author  hendrik schutter
 * @date    01.05.2020
 */

#ifndef DRIVE_H_
#define DRIVE_H_

#include "reHDD.h"

class Drive
{

public:
    enum TaskState {NONE,
                    SHRED_SELECTED,
                    SHRED_ACTIVE,
                    DELETE_SELECTED,
                    DELETE_ACTIVE,
                    FROZEN
                   } state;

    struct
    {
        time_t u32ShredTimeDelta;
        std::chrono::time_point<std::chrono::system_clock> chronoShredTimestamp;
        unsigned long ulWrittenBytes;
        unsigned long ulSpeedMetricBytesWritten;
    } sShredSpeed;

    bool bWasShredded = false;
    bool bWasDeleteted = false;
    bool bIsOffline = false;
    uint32_t u32DriveChecksumAferShredding = 0U;

private:
    string sPath;
    time_t u32Timestamp = 0U; //unix timestamp for detecting a frozen drive
    double d32TaskPercentage = 0U; //in percent for Shred (1 to 100)
    time_t u32TimestampTaskStart = 0U; //unix timestamp for duration of an action
    time_t u32TaskDuration = 0U; //time needed to complete the task

    struct
    {
        string sModelFamily;
        string sModelName;
        string sSerial;
        uint64_t u64Capacity = 0U; //in byte
        uint32_t u32ErrorCount = 0U;
        uint32_t u32PowerOnHours = 0U; //in hours
        uint32_t u32PowerCycles = 0U;
        uint32_t u32Temperature = 0U; //in Fahrenheit, just kidding: degree Celsius
    } sSmartData;

private:
    void setTimestamp();

protected:

public:
    Drive(string path)
    {
        this->sPath = path;
    }

    string getPath(void);
    string getModelFamily(void);
    string getModelName(void);
    string getSerial(void);
    uint64_t getCapacity(void); //in byte
    uint32_t getErrorCount(void);
    uint32_t getPowerOnHours(void); //in hours
    uint32_t getPowerCycles(void);
    uint32_t getTemperature(void); //in Fahrenheit, just kidding: degree Celsius
    void checkFrozenDrive(void);

    void setDriveSMARTData( string modelFamily,
                            string modelName,
                            string serial,
                            uint64_t capacity,
                            uint32_t errorCount,
                            uint32_t powerOnHours,
                            uint32_t powerCycles,
                            uint32_t temperature);

    string sCapacityToText();
    string sErrorCountToText();
    string sPowerOnHoursToText();
    string sPowerCyclesToText();
    string sTemperatureToText();

    void setTaskPercentage(double d32TaskPercentage);
    double getTaskPercentage(void);

    void setActionStartTimestamp();
    time_t getActionStartTimestamp();

    void calculateTaskDuration();
    time_t getTaskDuration();

};

#endif  // DRIVE_H_