disk_monitor.h

#ifndef _DISK_SPACE_MONITOR_H
#define _DISK_SPACE_MONITOR_H
/*
 * Fledge storage service.
 *
 * Copyright (c) 2024 Dianomic Systems
 *
 * Released under the Apache 2.0 Licence
 *
 * Author: Mark Riddoch
 */
#include <logger.h>

#define CHECK_THRESHOLD     300 // check every 5 minutes

#define FAILED_DISK_MONITOR_REPORT_INTERVAL 600 // Interval between loggign failure to stat the filesystem (10 minutes)

class DiskSpaceMonitor {
    public:
        DiskSpaceMonitor(const std::string& db1, const std::string& db2);
        void        periodic(int interval);
    private:
        std::string m_dbPath1;
        std::string m_dbPath2;
        bool        m_started;
        bool        m_sameDevice;
        unsigned int    m_lastCheck;
        Logger      *m_logger;
        double      m_lastPerc1;
        double      m_lastPerc2;
        double      m_lastPrediction1;
        double      m_lastPrediction2;
        int     m_reported;
};
#endif