1 #pragma once
2 
3 #include "dbushelper_interface.hpp"
4 #include "interfaces.hpp"
5 #include "util.hpp"
6 
7 #include <sdbusplus/bus.hpp>
8 
9 #include <memory>
10 #include <string>
11 
12 namespace pid_control
13 {
14 
15 /*
16  * This ReadInterface will actively reach out over dbus upon calling read to
17  * get the value from whomever owns the associated dbus path.
18  */
19 class DbusActiveRead : public ReadInterface
20 {
21   public:
22     DbusActiveRead(sdbusplus::bus_t& bus, const std::string& path,
23                    const std::string& service,
24                    std::unique_ptr<DbusHelperInterface> helper) :
25         ReadInterface(),
26         _bus(bus), _path(path), _service(service), _helper(std::move(helper))
27     {}
28 
29     ReadReturn read(void) override;
30 
31   private:
32     sdbusplus::bus_t& _bus;
33     const std::string _path;
34     const std::string _service; // the sensor service.
35     std::unique_ptr<DbusHelperInterface> _helper;
36 };
37 
38 } // namespace pid_control
39