blob: c06e8b01a481988cf43639f4ee738dace3aad5f6 [file] [log] [blame]
#pragma once
#include "common/instance_id.hpp"
#include "common/types.hpp"
#include "common/utils.hpp"
#include "requester/handler.hpp"
#include <phosphor-logging/lg2.hpp>
#include <string>
#include <utility>
#include <vector>
PHOSPHOR_LOG2_USING;
namespace pldm
{
namespace host_effecters
{
using DbusChgHostEffecterProps =
std::map<dbus::Property, pldm::utils::PropertyValue>;
/** @struct State
* Contains the state set id and the possible states for
* an effecter
*/
struct PossibleState
{
uint16_t stateSetId; //!< State set id
std::vector<uint8_t> states; //!< Possible states
};
/** @struct DBusEffecterMapping
* Contains the D-Bus information for an effecter
*/
struct DBusEffecterMapping
{
pldm::utils::DBusMapping dbusMap;
std::vector<pldm::utils::PropertyValue>
propertyValues; //!< D-Bus property values
PossibleState state; //!< Corresponding effecter states
};
/** @struct EffecterInfo
* Contains the effecter information as a whole
*/
struct EffecterInfo
{
uint8_t mctpEid; //!< Host mctp eid
uint16_t containerId; //!< Container Id for host effecter
uint16_t entityType; //!< Entity type for the host effecter
uint16_t entityInstance; //!< Entity instance for the host effecter
uint8_t compEffecterCnt; //!< Composite effecter count
std::vector<DBusEffecterMapping>
dbusInfo; //!< D-Bus information for the effecter id
};
/** @class HostEffecterParser
*
* @brief This class parses the Host Effecter json file and monitors for the
* D-Bus changes for the effecters. Upon change, calls the corresponding
* setStateEffecterStates on the host
*/
class HostEffecterParser
{
public:
HostEffecterParser() = delete;
HostEffecterParser(const HostEffecterParser&) = delete;
HostEffecterParser& operator=(const HostEffecterParser&) = delete;
HostEffecterParser(HostEffecterParser&&) = delete;
HostEffecterParser& operator=(HostEffecterParser&&) = delete;
virtual ~HostEffecterParser() = default;
/** @brief Constructor to create a HostEffecterParser object.
* @param[in] instanceIdDb - PLDM InstanceIdDb object pointer
* @param[in] fd - socket fd to communicate to host
* @param[in] repo - PLDM PDR repository
* @param[in] dbusHandler - D-bus Handler
* @param[in] jsonPath - path for the json file
* @param[in] handler - PLDM request handler
*/
explicit HostEffecterParser(
pldm::InstanceIdDb* instanceIdDb, int fd, const pldm_pdr* repo,
pldm::utils::DBusHandler* const dbusHandler,
const std::string& jsonPath,
pldm::requester::Handler<pldm::requester::Request>* handler) :
instanceIdDb(instanceIdDb),
sockFd(fd), pdrRepo(repo), dbusHandler(dbusHandler), handler(handler)
{
try
{
parseEffecterJson(jsonPath);
}
catch (const std::exception& e)
{
error(
"The json file '{PATH}' does not exist or malformed, error - '{ERROR}'",
"PATH", jsonPath, "ERROR", e);
}
}
/* @brief Parses the host effecter json
*
* @param[in] jsonPath - path for the json file
*/
void parseEffecterJson(const std::string& jsonPath);
/* @brief Method to take action when the subscribed D-Bus property is
* changed
* @param[in] chProperties - list of properties which have changed
* @param[in] effecterInfoIndex - index of effecterInfo pointer in
* hostEffecterInfo
* @param[in] dbusInfoIndex - index on dbusInfo pointer in each effecterInfo
* @param[in] effecterId - host effecter id
* @return - none
*/
void processHostEffecterChangeNotification(
const DbusChgHostEffecterProps& chProperties, size_t effecterInfoIndex,
size_t dbusInfoIndex, uint16_t effecterId);
/* @brief Populate the property values in each dbusInfo from the json
*
* @param[in] dBusValues - json values
* @param[out] propertyValues - dbusInfo property values
* @param[in] propertyType - type of the D-Bus property
* @return - none
*/
void populatePropVals(
const pldm::utils::Json& dBusValues,
std::vector<pldm::utils::PropertyValue>& propertyValues,
const std::string& propertyType);
/* @brief Set a host state effecter
*
* @param[in] effecterInfoIndex - index of effecterInfo pointer in
* hostEffecterInfo
* @param[in] stateField - vector of state fields equal to composite
* effecter count in number
* @param[in] effecterId - host effecter id
* @return - PLDM status code
*/
virtual int
setHostStateEffecter(size_t effecterInfoIndex,
std::vector<set_effecter_state_field>& stateField,
uint16_t effecterId);
/* @brief Fetches the new state value and the index in stateField set which
* needs to be set with the new value in the setStateEffecter call
* @param[in] effecterInfoIndex - index of effecterInfo in hostEffecterInfo
* @param[in] dbusInfoIndex - index of dbusInfo within effecterInfo
* @param[in] propertyValue - the changed D-Bus property value
* @return - the new state value
*/
uint8_t findNewStateValue(size_t effecterInfoIndex, size_t dbusInfoIndex,
const pldm::utils::PropertyValue& propertyValue);
/* @brief Subscribes for D-Bus property change signal on the specified
* object
*
* @param[in] objectPath - D-Bus object path to look for
* @param[in] interface - D-Bus interface
* @param[in] effecterInfoIndex - index of effecterInfo pointer in
* hostEffecterInfo
* @param[in] dbusInfoIndex - index of dbusInfo within effecterInfo
* @param[in] effecterId - host effecter id
*/
virtual void createHostEffecterMatch(const std::string& objectPath,
const std::string& interface,
size_t effecterInfoIndex,
size_t dbusInfoIndex,
uint16_t effecterId);
protected:
pldm::InstanceIdDb* instanceIdDb; //!< Reference to the InstanceIdDb object
//!< to obtain instance id
int sockFd; //!< Socket fd to send message to host
const pldm_pdr* pdrRepo; //!< Reference to PDR repo
std::vector<EffecterInfo> hostEffecterInfo; //!< Parsed effecter information
std::vector<std::unique_ptr<sdbusplus::bus::match_t>>
effecterInfoMatch; //!< vector to catch the D-Bus property change
//!< signals for the effecters
const pldm::utils::DBusHandler* dbusHandler; //!< D-bus Handler
/** @brief PLDM request handler */
pldm::requester::Handler<pldm::requester::Request>* handler;
};
} // namespace host_effecters
} // namespace pldm