blob: 719bb1deb03ba883495afaf9c729df3c0666e832 [file] [log] [blame]
#pragma once
#include <limits>
#include <sdbusplus/bus.hpp>
struct SensorProperties
{
int64_t scale;
double value;
std::string unit;
};
struct SensorThresholds
{
double lowerThreshold = std::numeric_limits<double>::quiet_NaN();
double upperThreshold = std::numeric_limits<double>::quiet_NaN();
};
const std::string sensorintf = "xyz.openbmc_project.Sensor.Value";
const std::string criticalThreshInf =
"xyz.openbmc_project.Sensor.Threshold.Critical";
const std::string propertiesintf = "org.freedesktop.DBus.Properties";
class DbusHelperInterface
{
public:
virtual ~DbusHelperInterface() = default;
/** @brief Get the service providing the interface for the path.
*
* @warning Throws exception on dbus failure.
*/
virtual std::string getService(sdbusplus::bus::bus& bus,
const std::string& intf,
const std::string& path) = 0;
/** @brief Get all Sensor.Value properties for a service and path.
*
* @param[in] bus - A bus to use for the call.
* @param[in] service - The service providing the interface.
* @param[in] path - The dbus path.
* @param[out] prop - A pointer to a properties struct to fill out.
*
* @warning Throws exception on dbus failure.
*/
virtual void getProperties(sdbusplus::bus::bus& bus,
const std::string& service,
const std::string& path,
struct SensorProperties* prop) = 0;
/** @brief Get Critical Threshold current assert status
*
* @param[in] bus - A bus to use for the call.
* @param[in] service - The service providing the interface.
* @param[in] path - The dbus path.
*/
virtual bool thresholdsAsserted(sdbusplus::bus::bus& bus,
const std::string& service,
const std::string& path) = 0;
};
class DbusHelper : public DbusHelperInterface
{
public:
DbusHelper() = default;
~DbusHelper() = default;
DbusHelper(const DbusHelper&) = default;
DbusHelper& operator=(const DbusHelper&) = default;
DbusHelper(DbusHelper&&) = default;
DbusHelper& operator=(DbusHelper&&) = default;
std::string getService(sdbusplus::bus::bus& bus, const std::string& intf,
const std::string& path) override;
void getProperties(sdbusplus::bus::bus& bus, const std::string& service,
const std::string& path,
struct SensorProperties* prop) override;
bool thresholdsAsserted(sdbusplus::bus::bus& bus,
const std::string& service,
const std::string& path) override;
};
std::string getSensorPath(const std::string& type, const std::string& id);
std::string getMatch(const std::string& type, const std::string& id);
bool validType(const std::string& type);
struct VariantToDoubleVisitor
{
template <typename T>
std::enable_if_t<std::is_arithmetic<T>::value, double>
operator()(const T& t) const
{
return static_cast<double>(t);
}
template <typename T>
std::enable_if_t<!std::is_arithmetic<T>::value, double>
operator()(const T& t) const
{
throw std::invalid_argument("Cannot translate type to double");
}
};