blob: e23cd489221000fd97024da8ba30e6f70720bee8 [file] [log] [blame]
#pragma once
#include "config.h"
#include "libpldm/fru.h"
#include "libpldm/pdr.h"
#include "fru_parser.hpp"
#include "pldmd/handler.hpp"
#include <sdbusplus/message.hpp>
#include <map>
#include <string>
#include <variant>
#include <vector>
namespace pldm
{
namespace responder
{
namespace dbus
{
using Value =
std::variant<bool, uint8_t, int16_t, uint16_t, int32_t, uint32_t, int64_t,
uint64_t, double, std::string, std::vector<uint8_t>>;
using PropertyMap = std::map<Property, Value>;
using InterfaceMap = std::map<Interface, PropertyMap>;
using ObjectValueTree = std::map<sdbusplus::message::object_path, InterfaceMap>;
using ObjectPath = std::string;
} // namespace dbus
/** @class FruImpl
*
* @brief Builds the PLDM FRU table containing the FRU records
*/
class FruImpl
{
public:
/* @brief Header size for FRU record, it includes the FRU record set
* identifier, FRU record type, Number of FRU fields, Encoding type
* of FRU fields
*/
static constexpr size_t recHeaderSize =
sizeof(struct pldm_fru_record_data_format) -
sizeof(struct pldm_fru_record_tlv);
/** @brief The FRU table is populated by processing the D-Bus inventory
* namespace, based on the config files for FRU. The configPath is
* consumed to build the FruParser object.
*
* @param[in] configPath - path to the directory containing config files
* for PLDM FRU
*/
FruImpl(const std::string& configPath, pldm_pdr* pdrRepo,
pldm_entity_association_tree* entityTree);
/** @brief Total length of the FRU table in bytes, this excludes the pad
* bytes and the checksum.
*
* @return size of the FRU table
*/
uint32_t size() const
{
return table.size() - padBytes;
}
/** @brief The checksum of the contents of the FRU table
*
* @return checksum
*/
uint32_t checkSum() const
{
return checksum;
}
/** @brief Number of record set identifiers in the FRU tables
*
* @return number of record set identifiers
*/
uint16_t numRSI() const
{
return rsi;
}
/** @brief The number of FRU records in the table
*
* @return number of FRU records
*/
uint16_t numRecords() const
{
return numRecs;
}
/** @brief Get the FRU table
*
* @param[out] - Populate response with the FRU table
*/
void getFRUTable(Response& response);
private:
uint16_t nextRSI()
{
return ++rsi;
}
uint16_t rsi = 0;
uint16_t numRecs = 0;
uint8_t padBytes = 0;
std::vector<uint8_t> table;
uint32_t checksum = 0;
pldm_pdr* pdrRepo;
pldm_entity_association_tree* entityTree;
std::map<dbus::ObjectPath, pldm_entity_node*> objToEntityNode{};
/** @brief populateRecord builds the FRU records for an instance of FRU and
* updates the FRU table with the FRU records.
*
* @param[in] interfaces - D-Bus interfaces and the associated property
* values for the FRU
* @param[in] recordInfos - FRU record info to build the FRU records
* @param[in/out] entity - PLDM entity corresponding to FRU instance
*/
void populateRecords(const pldm::responder::dbus::InterfaceMap& interfaces,
const fru_parser::FruRecordInfos& recordInfos,
const pldm_entity& entity);
};
namespace fru
{
class Handler : public CmdHandler
{
public:
Handler(const std::string& configPath, pldm_pdr* pdrRepo,
pldm_entity_association_tree* entityTree) :
impl(configPath, pdrRepo, entityTree)
{
handlers.emplace(PLDM_GET_FRU_RECORD_TABLE_METADATA,
[this](const pldm_msg* request, size_t payloadLength) {
return this->getFRURecordTableMetadata(
request, payloadLength);
});
handlers.emplace(PLDM_GET_FRU_RECORD_TABLE,
[this](const pldm_msg* request, size_t payloadLength) {
return this->getFRURecordTable(request,
payloadLength);
});
}
/** @brief Handler for Get FRURecordTableMetadata
*
* @param[in] request - Request message payload
* @param[in] payloadLength - Request payload length
*
* @return PLDM response message
*/
Response getFRURecordTableMetadata(const pldm_msg* request,
size_t payloadLength);
/** @brief Handler for GetFRURecordTable
*
* @param[in] request - Request message payload
* @param[in] payloadLength - Request payload length
*
* @return PLDM response message
*/
Response getFRURecordTable(const pldm_msg* request, size_t payloadLength);
private:
FruImpl impl;
};
} // namespace fru
} // namespace responder
} // namespace pldm