blob: 49f2233eae437bcfd1ed6b9be3ffecb1f40d60fc [file] [log] [blame]
#pragma once
#include "common/types.hpp"
#include "common/utils.hpp"
#include <nlohmann/json.hpp>
#include <filesystem>
#include <map>
#include <string>
#include <tuple>
#include <vector>
namespace pldm::responder::events
{
/** @struct StateSensorEntry
*
* StateSensorEntry is a key to uniquely identify a state sensor, so that a
* D-Bus action can be defined for PlatformEventMessage command with
* sensorEvent type. This struct is used as a key in a std::map so implemented
* operator== and operator<.
*/
struct StateSensorEntry
{
pdr::ContainerID containerId;
pdr::EntityType entityType;
pdr::EntityInstance entityInstance;
pdr::SensorOffset sensorOffset;
bool operator==(const StateSensorEntry& e) const
{
return ((containerId == e.containerId) &&
(entityType == e.entityType) &&
(entityInstance == e.entityInstance) &&
(sensorOffset == e.sensorOffset));
}
bool operator<(const StateSensorEntry& e) const
{
return (
(containerId < e.containerId) ||
((containerId == e.containerId) && (entityType < e.entityType)) ||
((containerId == e.containerId) && (entityType == e.entityType) &&
(entityInstance < e.entityInstance)) ||
((containerId == e.containerId) && (entityType == e.entityType) &&
(entityInstance == e.entityInstance) &&
(sensorOffset < e.sensorOffset)));
}
};
using StateToDBusValue = std::map<pdr::EventState, pldm::utils::PropertyValue>;
using EventDBusInfo = std::tuple<pldm::utils::DBusMapping, StateToDBusValue>;
using EventMap = std::map<StateSensorEntry, EventDBusInfo>;
using Json = nlohmann::json;
/** @class StateSensorHandler
*
* @brief Parses the event state sensor configuration JSON file and build
* the lookup data structure, which can map the event state for a
* sensor in the PlatformEventMessage command to a D-Bus property and
* the property value.
*/
class StateSensorHandler
{
public:
StateSensorHandler() = delete;
/** @brief Parse the event state sensor configuration JSON file and build
* the lookup data stucture.
*
* @param[in] dirPath - directory path which has the config JSONs
*/
explicit StateSensorHandler(const std::string& dirPath);
virtual ~StateSensorHandler() = default;
StateSensorHandler(const StateSensorHandler&) = default;
StateSensorHandler& operator=(const StateSensorHandler&) = default;
StateSensorHandler(StateSensorHandler&&) = default;
StateSensorHandler& operator=(StateSensorHandler&&) = default;
/** @brief If the StateSensorEntry and EventState is valid, the D-Bus
* property corresponding to the StateSensorEntry is set based on
* the EventState
*
* @param[in] entry - state sensor entry
* @param[in] state - event state
*
* @return PLDM completion code
*/
int eventAction(const StateSensorEntry& entry, pdr::EventState state);
/** @brief Helper API to get D-Bus information for a StateSensorEntry
*
* @param[in] entry - state sensor entry
*
* @return D-Bus information corresponding to the SensorEntry
*/
const EventDBusInfo& getEventInfo(const StateSensorEntry& entry) const
{
return eventMap.at(entry);
}
private:
EventMap eventMap; //!< a map of StateSensorEntry to D-Bus information
/** @brief Create a map of EventState to D-Bus property values from
* the information provided in the event state configuration
* JSON
*
* @param[in] eventStates - a JSON array of event states
* @param[in] propertyValues - a JSON array of D-Bus property values
* @param[in] type - the type of D-Bus property
*
* @return a map of EventState to D-Bus property values
*/
StateToDBusValue mapStateToDBusVal(const Json& eventStates,
const Json& propertyValues,
std::string_view type);
};
} // namespace pldm::responder::events