| #pragma once |
| |
| #include "config.h" |
| |
| #include "handler.hpp" |
| #include "libpldmresponder/pdr.hpp" |
| #include "libpldmresponder/pdr_utils.hpp" |
| #include "utils.hpp" |
| |
| #include <stdint.h> |
| |
| #include <map> |
| |
| #include "libpldm/platform.h" |
| #include "libpldm/states.h" |
| |
| namespace pldm |
| { |
| namespace responder |
| { |
| namespace platform |
| { |
| |
| using namespace pldm::utils; |
| using namespace pldm::responder::pdr_utils; |
| |
| using generatePDR = |
| std::function<void(const Json& json, pdr_utils::RepoInterface& repo)>; |
| |
| using EffecterId = uint16_t; |
| using DbusObjMaps = |
| std::map<EffecterId, |
| std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps>>; |
| using DbusPath = std::string; |
| using EffecterObjs = std::vector<DbusPath>; |
| using EventType = uint8_t; |
| using EventHandler = std::function<int( |
| const pldm_msg* request, size_t payloadLength, uint8_t formatVersion, |
| uint8_t tid, size_t eventDataOffset)>; |
| using EventHandlers = std::vector<EventHandler>; |
| using EventMap = std::map<EventType, EventHandlers>; |
| |
| // EventEntry = <uint8_t> - EventState <uint8_t> - SensorOffset <uint16_t> - |
| // SensorID |
| using EventEntry = uint32_t; |
| struct DBusInfo |
| { |
| pldm::utils::DBusMapping dBusValues; |
| pldm::utils::PropertyValue dBusPropertyValue; |
| }; |
| |
| class Handler : public CmdHandler |
| { |
| public: |
| Handler(const std::string& dir, pldm_pdr* repo, |
| const std::optional<EventMap>& addOnHandlersMap = std::nullopt) : |
| pdrRepo(repo) |
| { |
| generate(dir, pdrRepo); |
| |
| handlers.emplace(PLDM_GET_PDR, |
| [this](const pldm_msg* request, size_t payloadLength) { |
| return this->getPDR(request, payloadLength); |
| }); |
| handlers.emplace(PLDM_SET_STATE_EFFECTER_STATES, |
| [this](const pldm_msg* request, size_t payloadLength) { |
| return this->setStateEffecterStates(request, |
| payloadLength); |
| }); |
| handlers.emplace(PLDM_PLATFORM_EVENT_MESSAGE, |
| [this](const pldm_msg* request, size_t payloadLength) { |
| return this->platformEventMessage(request, |
| payloadLength); |
| }); |
| |
| // Default handler for PLDM Events |
| eventHandlers[PLDM_SENSOR_EVENT].emplace_back( |
| [this](const pldm_msg* request, size_t payloadLength, |
| uint8_t formatVersion, uint8_t tid, size_t eventDataOffset) { |
| return this->sensorEvent(request, payloadLength, formatVersion, |
| tid, eventDataOffset); |
| }); |
| |
| // Additional OEM event handlers for PLDM events, append it to the |
| // standard handlers |
| if (addOnHandlersMap) |
| { |
| auto addOnHandlers = addOnHandlersMap.value(); |
| for (EventMap::iterator iter = addOnHandlers.begin(); |
| iter != addOnHandlers.end(); ++iter) |
| { |
| auto search = eventHandlers.find(iter->first); |
| if (search != eventHandlers.end()) |
| { |
| search->second.insert(std::end(search->second), |
| std::begin(iter->second), |
| std::end(iter->second)); |
| } |
| else |
| { |
| eventHandlers.emplace(iter->first, iter->second); |
| } |
| } |
| } |
| } |
| |
| pdr_utils::Repo& getRepo() |
| { |
| return this->pdrRepo; |
| } |
| |
| /** @brief Add D-Bus mapping and value mapping(stateId to D-Bus) for the |
| * effecterId. If the same id is added, the previous dbusObjs will |
| * be "over-written". |
| * |
| * @param[in] effecterId - effecter id |
| * @param[in] dbusObj - list of D-Bus object structure and list of D-Bus |
| * property value to attribute value |
| */ |
| void addDbusObjMaps( |
| uint16_t effecterId, |
| std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps> dbusObj); |
| |
| /** @brief Retrieve an effecter id -> D-Bus objects mapping |
| * |
| * @param[in] effecterId - effecter id |
| * |
| * @return std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps> - |
| * list of D-Bus object structure and list of D-Bus property value |
| * to attribute value |
| */ |
| const std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps>& |
| getDbusObjMaps(uint16_t effecterId) const; |
| |
| uint16_t getNextEffecterId() |
| { |
| return ++nextEffecterId; |
| } |
| |
| /** @brief Parse PDR JSONs and build PDR repository |
| * |
| * @param[in] dir - directory housing platform specific PDR JSON files |
| * @param[in] repo - instance of concrete implementation of Repo |
| */ |
| void generate(const std::string& dir, Repo& repo); |
| |
| /** @brief Parse PDR JSONs and build state effecter PDR repository |
| * |
| * @param[in] json - platform specific PDR JSON files |
| * @param[in] repo - instance of state effecter implementation of Repo |
| */ |
| void generateStateEffecterRepo(const Json& json, Repo& repo); |
| |
| /** @brief map of PLDM event type to EventHandlers |
| * |
| */ |
| EventMap eventHandlers; |
| |
| /** @brief Handler for GetPDR |
| * |
| * @param[in] request - Request message payload |
| * @param[in] payloadLength - Request payload length |
| * @param[out] Response - Response message written here |
| */ |
| Response getPDR(const pldm_msg* request, size_t payloadLength); |
| |
| /** @brief Handler for setStateEffecterStates |
| * |
| * @param[in] request - Request message |
| * @param[in] payloadLength - Request payload length |
| * @return Response - PLDM Response message |
| */ |
| Response setStateEffecterStates(const pldm_msg* request, |
| size_t payloadLength); |
| |
| /** @brief Handler for PlatformEventMessage |
| * |
| * @param[in] request - Request message |
| * @param[in] payloadLength - Request payload length |
| * @return Response - PLDM Response message |
| */ |
| Response platformEventMessage(const pldm_msg* request, |
| size_t payloadLength); |
| |
| /** @brief Handler for event class Sensor event |
| * |
| * @param[in] request - Request message |
| * @param[in] payloadLength - Request payload length |
| * @param[in] formatVersion - Version of the event format |
| * @param[in] tid - Terminus ID of the event's originator |
| * @param[in] eventDataOffset - Offset of the event data in the request |
| * message |
| * @return PLDM completion code |
| */ |
| int sensorEvent(const pldm_msg* request, size_t payloadLength, |
| uint8_t formatVersion, uint8_t tid, size_t eventDataOffset); |
| |
| /** @brief Handler for setting Sensor event data |
| * |
| * @param[in] sensorId - sensorID value of the sensor |
| * @param[in] sensorOffset - Identifies which state sensor within a |
| * composite state sensor the event is being returned for |
| * @param[in] eventState - The event state value from the state change that |
| * triggered the event message |
| * @return PLDM completion code |
| */ |
| int setSensorEventData(uint16_t sensorId, uint8_t sensorOffset, |
| uint8_t eventState); |
| |
| /** @brief Function to set the effecter requested by pldm requester |
| * @param[in] dBusIntf - The interface object |
| * @param[in] effecterId - Effecter ID sent by the requester to act on |
| * @param[in] stateField - The state field data for each of the states, |
| * equal to composite effecter count in number |
| * @return - Success or failure in setting the states. Returns failure in |
| * terms of PLDM completion codes if atleast one state fails to be set |
| */ |
| template <class DBusInterface> |
| int setStateEffecterStatesHandler( |
| const DBusInterface& dBusIntf, uint16_t effecterId, |
| const std::vector<set_effecter_state_field>& stateField) |
| { |
| using namespace pldm::responder::pdr; |
| using namespace pldm::utils; |
| using StateSetNum = uint8_t; |
| |
| state_effecter_possible_states* states = nullptr; |
| pldm_state_effecter_pdr* pdr = nullptr; |
| uint8_t compEffecterCnt = stateField.size(); |
| |
| std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> |
| stateEffecterPdrRepo(pldm_pdr_init(), pldm_pdr_destroy); |
| Repo stateEffecterPDRs(stateEffecterPdrRepo.get()); |
| getRepoByType(pdrRepo, stateEffecterPDRs, PLDM_STATE_EFFECTER_PDR); |
| if (stateEffecterPDRs.empty()) |
| { |
| std::cerr << "Failed to get record by PDR type\n"; |
| return PLDM_PLATFORM_INVALID_EFFECTER_ID; |
| } |
| |
| PdrEntry pdrEntry{}; |
| auto pdrRecord = stateEffecterPDRs.getFirstRecord(pdrEntry); |
| while (pdrRecord) |
| { |
| pdr = reinterpret_cast<pldm_state_effecter_pdr*>(pdrEntry.data); |
| if (pdr->effecter_id != effecterId) |
| { |
| pdr = nullptr; |
| pdrRecord = |
| stateEffecterPDRs.getNextRecord(pdrRecord, pdrEntry); |
| continue; |
| } |
| |
| states = reinterpret_cast<state_effecter_possible_states*>( |
| pdr->possible_states); |
| if (compEffecterCnt > pdr->composite_effecter_count) |
| { |
| std::cerr << "The requester sent wrong composite effecter" |
| << " count for the effecter, EFFECTER_ID=" |
| << effecterId << "COMP_EFF_CNT=" << compEffecterCnt |
| << "\n"; |
| return PLDM_ERROR_INVALID_DATA; |
| } |
| break; |
| } |
| |
| if (!pdr) |
| { |
| return PLDM_PLATFORM_INVALID_EFFECTER_ID; |
| } |
| |
| int rc = PLDM_SUCCESS; |
| try |
| { |
| const auto& [dbusMappings, dbusValMaps] = |
| dbusObjMaps.at(effecterId); |
| for (uint8_t currState = 0; currState < compEffecterCnt; |
| ++currState) |
| { |
| std::vector<StateSetNum> allowed{}; |
| // computation is based on table 79 from DSP0248 v1.1.1 |
| uint8_t bitfieldIndex = |
| stateField[currState].effecter_state / 8; |
| uint8_t bit = |
| stateField[currState].effecter_state - (8 * bitfieldIndex); |
| if (states->possible_states_size < bitfieldIndex || |
| !(states->states[bitfieldIndex].byte & (1 << bit))) |
| { |
| std::cerr |
| << "Invalid state set value, EFFECTER_ID=" << effecterId |
| << " VALUE=" << stateField[currState].effecter_state |
| << " COMPOSITE_EFFECTER_ID=" << currState |
| << " DBUS_PATH=" << dbusMappings[currState].objectPath |
| << "\n"; |
| rc = PLDM_PLATFORM_SET_EFFECTER_UNSUPPORTED_SENSORSTATE; |
| break; |
| } |
| const DBusMapping& dbusMapping = dbusMappings[currState]; |
| const StatestoDbusVal& dbusValToMap = dbusValMaps[currState]; |
| |
| if (stateField[currState].set_request == PLDM_REQUEST_SET) |
| { |
| try |
| { |
| dBusIntf.setDbusProperty( |
| dbusMapping, |
| dbusValToMap.at( |
| stateField[currState].effecter_state)); |
| } |
| catch (const std::exception& e) |
| { |
| std::cerr |
| << "Error setting property, ERROR=" << e.what() |
| << " PROPERTY=" << dbusMapping.propertyName |
| << " INTERFACE=" |
| << dbusMapping.interface << " PATH=" |
| << dbusMapping.objectPath << "\n"; |
| return PLDM_ERROR; |
| } |
| } |
| uint8_t* nextState = |
| reinterpret_cast<uint8_t*>(states) + |
| sizeof(state_effecter_possible_states) - |
| sizeof(states->states) + |
| (states->possible_states_size * sizeof(states->states)); |
| states = reinterpret_cast<state_effecter_possible_states*>( |
| nextState); |
| } |
| } |
| catch (const std::out_of_range& e) |
| { |
| std::cerr << "the effecterId does not exist. effecter id: " |
| << effecterId << e.what() << '\n'; |
| } |
| |
| return rc; |
| } |
| |
| private: |
| pdr_utils::Repo pdrRepo; |
| uint16_t nextEffecterId{}; |
| DbusObjMaps dbusObjMaps{}; |
| }; |
| |
| } // namespace platform |
| } // namespace responder |
| } // namespace pldm |