dbus/dbusactiveread.hpp

#pragma once

#include <memory>
#include <sdbusplus/bus.hpp>
#include <string>

#include "dbus/util.hpp"
#include "interfaces.hpp"

/*
 * This ReadInterface will actively reach out over dbus upon calling read to
 * get the value from whomever owns the associated dbus path.
 */
class DbusActiveRead: public ReadInterface
{
    public:
        DbusActiveRead(sdbusplus::bus::bus& bus,
                       const std::string& path,
                       const std::string& service,
                       DbusHelperInterface *helper)
            : ReadInterface(),
              _bus(bus),
              _path(path),
              _service(service),
              _helper(helper)
        { }

        ReadReturn read(void) override;

    private:
        sdbusplus::bus::bus& _bus;
        const std::string _path;
        const std::string _service; // the sensor service.
        DbusHelperInterface *_helper;
};