1 #include "platform.hpp"
2 
3 #include "libpldm/entity.h"
4 #include "libpldm/state_set.h"
5 
6 #include "common/types.hpp"
7 #include "common/utils.hpp"
8 #include "event_parser.hpp"
9 #include "pdr.hpp"
10 #include "pdr_numeric_effecter.hpp"
11 #include "pdr_state_effecter.hpp"
12 #include "pdr_state_sensor.hpp"
13 #include "pdr_utils.hpp"
14 #include "platform_numeric_effecter.hpp"
15 #include "platform_state_effecter.hpp"
16 #include "platform_state_sensor.hpp"
17 
18 #include <config.h>
19 
20 using namespace pldm::utils;
21 using namespace pldm::responder::pdr;
22 using namespace pldm::responder::pdr_utils;
23 
24 namespace pldm
25 {
26 namespace responder
27 {
28 namespace platform
29 {
30 
31 using InternalFailure =
32     sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
33 
34 static const Json empty{};
35 
36 void Handler::addDbusObjMaps(
37     uint16_t id,
38     std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps> dbusObj,
39     TypeId typeId)
40 {
41     if (typeId == TypeId::PLDM_SENSOR_ID)
42     {
43         sensorDbusObjMaps.emplace(id, dbusObj);
44     }
45     else
46     {
47         effecterDbusObjMaps.emplace(id, dbusObj);
48     }
49 }
50 
51 const std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps>&
52     Handler::getDbusObjMaps(uint16_t id, TypeId typeId) const
53 {
54     if (typeId == TypeId::PLDM_SENSOR_ID)
55     {
56         return sensorDbusObjMaps.at(id);
57     }
58     else
59     {
60         return effecterDbusObjMaps.at(id);
61     }
62 }
63 
64 void Handler::generate(const pldm::utils::DBusHandler& dBusIntf,
65                        const std::string& dir, Repo& repo)
66 {
67     if (!fs::exists(dir))
68     {
69         return;
70     }
71 
72     // A map of PDR type to a lambda that handles creation of that PDR type.
73     // The lambda essentially would parse the platform specific PDR JSONs to
74     // generate the PDR structures. This function iterates through the map to
75     // invoke all lambdas, so that all PDR types can be created.
76 
77     const std::map<Type, generatePDR> generateHandlers = {
78         {PLDM_STATE_EFFECTER_PDR,
79          [this](const DBusHandler& dBusIntf, const auto& json,
80                 RepoInterface& repo) {
81              pdr_state_effecter::generateStateEffecterPDR<
82                  pldm::utils::DBusHandler, Handler>(dBusIntf, json, *this,
83                                                     repo);
84          }},
85         {PLDM_NUMERIC_EFFECTER_PDR,
86          [this](const DBusHandler& dBusIntf, const auto& json,
87                 RepoInterface& repo) {
88              pdr_numeric_effecter::generateNumericEffecterPDR<
89                  pldm::utils::DBusHandler, Handler>(dBusIntf, json, *this,
90                                                     repo);
91          }},
92         {PLDM_STATE_SENSOR_PDR, [this](const DBusHandler& dBusIntf,
93                                        const auto& json, RepoInterface& repo) {
94              pdr_state_sensor::generateStateSensorPDR<pldm::utils::DBusHandler,
95                                                       Handler>(dBusIntf, json,
96                                                                *this, repo);
97          }}};
98 
99     Type pdrType{};
100     for (const auto& dirEntry : fs::directory_iterator(dir))
101     {
102         try
103         {
104             auto json = readJson(dirEntry.path().string());
105             if (!json.empty())
106             {
107                 auto effecterPDRs = json.value("effecterPDRs", empty);
108                 for (const auto& effecter : effecterPDRs)
109                 {
110                     pdrType = effecter.value("pdrType", 0);
111                     generateHandlers.at(pdrType)(dBusIntf, effecter, repo);
112                 }
113 
114                 auto sensorPDRs = json.value("sensorPDRs", empty);
115                 for (const auto& sensor : sensorPDRs)
116                 {
117                     pdrType = sensor.value("pdrType", 0);
118                     generateHandlers.at(pdrType)(dBusIntf, sensor, repo);
119                 }
120             }
121         }
122         catch (const InternalFailure& e)
123         {
124             std::cerr << "PDR config directory does not exist or empty, TYPE= "
125                       << pdrType << "PATH= " << dirEntry
126                       << " ERROR=" << e.what() << "\n";
127         }
128         catch (const Json::exception& e)
129         {
130             std::cerr << "Failed parsing PDR JSON file, TYPE= " << pdrType
131                       << " ERROR=" << e.what() << "\n";
132             pldm::utils::reportError(
133                 "xyz.openbmc_project.bmc.pldm.InternalFailure");
134         }
135         catch (const std::exception& e)
136         {
137             std::cerr << "Failed parsing PDR JSON file, TYPE= " << pdrType
138                       << " ERROR=" << e.what() << "\n";
139             pldm::utils::reportError(
140                 "xyz.openbmc_project.bmc.pldm.InternalFailure");
141         }
142     }
143 }
144 
145 Response Handler::getPDR(const pldm_msg* request, size_t payloadLength)
146 {
147     if (hostPDRHandler)
148     {
149         if (hostPDRHandler->isHostUp() && oemPlatformHandler != nullptr)
150         {
151             auto rc = oemPlatformHandler->checkBMCState();
152             if (rc != PLDM_SUCCESS)
153             {
154                 return ccOnlyResponse(request, PLDM_ERROR_NOT_READY);
155             }
156         }
157     }
158 
159     // Build FRU table if not built, since entity association PDR's
160     // are built when the FRU table is constructed.
161     if (fruHandler)
162     {
163         fruHandler->buildFRUTable();
164     }
165 
166     if (!pdrCreated)
167     {
168         generateTerminusLocatorPDR(pdrRepo);
169         generate(*dBusIntf, pdrJsonsDir, pdrRepo);
170         if (oemPlatformHandler != nullptr)
171         {
172             oemPlatformHandler->buildOEMPDR(pdrRepo);
173         }
174 
175         pdrCreated = true;
176 
177         if (dbusToPLDMEventHandler)
178         {
179             deferredGetPDREvent = std::make_unique<sdeventplus::source::Defer>(
180                 event,
181                 std::bind(std::mem_fn(&pldm::responder::platform::Handler::
182                                           _processPostGetPDRActions),
183                           this, std::placeholders::_1));
184         }
185     }
186 
187     Response response(sizeof(pldm_msg_hdr) + PLDM_GET_PDR_MIN_RESP_BYTES, 0);
188 
189     if (payloadLength != PLDM_GET_PDR_REQ_BYTES)
190     {
191         return CmdHandler::ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
192     }
193 
194     uint32_t recordHandle{};
195     uint32_t dataTransferHandle{};
196     uint8_t transferOpFlag{};
197     uint16_t reqSizeBytes{};
198     uint16_t recordChangeNum{};
199 
200     auto rc = decode_get_pdr_req(request, payloadLength, &recordHandle,
201                                  &dataTransferHandle, &transferOpFlag,
202                                  &reqSizeBytes, &recordChangeNum);
203     if (rc != PLDM_SUCCESS)
204     {
205         return CmdHandler::ccOnlyResponse(request, rc);
206     }
207 
208     uint16_t respSizeBytes{};
209     uint8_t* recordData = nullptr;
210     try
211     {
212         pdr_utils::PdrEntry e;
213         auto record = pdr::getRecordByHandle(pdrRepo, recordHandle, e);
214         if (record == NULL)
215         {
216             return CmdHandler::ccOnlyResponse(
217                 request, PLDM_PLATFORM_INVALID_RECORD_HANDLE);
218         }
219 
220         if (reqSizeBytes)
221         {
222             respSizeBytes = e.size;
223             if (respSizeBytes > reqSizeBytes)
224             {
225                 respSizeBytes = reqSizeBytes;
226             }
227             recordData = e.data;
228         }
229         response.resize(sizeof(pldm_msg_hdr) + PLDM_GET_PDR_MIN_RESP_BYTES +
230                             respSizeBytes,
231                         0);
232         auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
233         rc = encode_get_pdr_resp(
234             request->hdr.instance_id, PLDM_SUCCESS, e.handle.nextRecordHandle,
235             0, PLDM_START_AND_END, respSizeBytes, recordData, 0, responsePtr);
236         if (rc != PLDM_SUCCESS)
237         {
238             return ccOnlyResponse(request, rc);
239         }
240     }
241     catch (const std::exception& e)
242     {
243         std::cerr << "Error accessing PDR, HANDLE=" << recordHandle
244                   << " ERROR=" << e.what() << "\n";
245         return CmdHandler::ccOnlyResponse(request, PLDM_ERROR);
246     }
247     return response;
248 }
249 
250 Response Handler::setStateEffecterStates(const pldm_msg* request,
251                                          size_t payloadLength)
252 {
253     Response response(
254         sizeof(pldm_msg_hdr) + PLDM_SET_STATE_EFFECTER_STATES_RESP_BYTES, 0);
255     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
256     uint16_t effecterId;
257     uint8_t compEffecterCnt;
258     constexpr auto maxCompositeEffecterCnt = 8;
259     std::vector<set_effecter_state_field> stateField(maxCompositeEffecterCnt,
260                                                      {0, 0});
261 
262     if ((payloadLength > PLDM_SET_STATE_EFFECTER_STATES_REQ_BYTES) ||
263         (payloadLength < sizeof(effecterId) + sizeof(compEffecterCnt) +
264                              sizeof(set_effecter_state_field)))
265     {
266         return CmdHandler::ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
267     }
268 
269     int rc = decode_set_state_effecter_states_req(request, payloadLength,
270                                                   &effecterId, &compEffecterCnt,
271                                                   stateField.data());
272 
273     if (rc != PLDM_SUCCESS)
274     {
275         return CmdHandler::ccOnlyResponse(request, rc);
276     }
277 
278     stateField.resize(compEffecterCnt);
279     const pldm::utils::DBusHandler dBusIntf;
280     uint16_t entityType{};
281     uint16_t entityInstance{};
282     uint16_t stateSetId{};
283 
284     if (isOemStateEffecter(*this, effecterId, compEffecterCnt, entityType,
285                            entityInstance, stateSetId) &&
286         oemPlatformHandler != nullptr &&
287         !effecterDbusObjMaps.contains(effecterId))
288     {
289         rc = oemPlatformHandler->oemSetStateEffecterStatesHandler(
290             entityType, entityInstance, stateSetId, compEffecterCnt, stateField,
291             effecterId);
292     }
293     else
294     {
295         rc = platform_state_effecter::setStateEffecterStatesHandler<
296             pldm::utils::DBusHandler, Handler>(dBusIntf, *this, effecterId,
297                                                stateField);
298     }
299     if (rc != PLDM_SUCCESS)
300     {
301         return CmdHandler::ccOnlyResponse(request, rc);
302     }
303 
304     rc = encode_set_state_effecter_states_resp(request->hdr.instance_id, rc,
305                                                responsePtr);
306     if (rc != PLDM_SUCCESS)
307     {
308         return ccOnlyResponse(request, rc);
309     }
310 
311     return response;
312 }
313 
314 Response Handler::platformEventMessage(const pldm_msg* request,
315                                        size_t payloadLength)
316 {
317     uint8_t formatVersion{};
318     uint8_t tid{};
319     uint8_t eventClass{};
320     size_t offset{};
321 
322     auto rc = decode_platform_event_message_req(
323         request, payloadLength, &formatVersion, &tid, &eventClass, &offset);
324     if (rc != PLDM_SUCCESS)
325     {
326         return CmdHandler::ccOnlyResponse(request, rc);
327     }
328 
329     if (eventClass == PLDM_HEARTBEAT_TIMER_ELAPSED_EVENT)
330     {
331         rc = PLDM_SUCCESS;
332         if (oemPlatformHandler)
333         {
334             oemPlatformHandler->resetWatchDogTimer();
335         }
336     }
337     else
338     {
339         try
340         {
341             const auto& handlers = eventHandlers.at(eventClass);
342             for (const auto& handler : handlers)
343             {
344                 auto rc =
345                     handler(request, payloadLength, formatVersion, tid, offset);
346                 if (rc != PLDM_SUCCESS)
347                 {
348                     return CmdHandler::ccOnlyResponse(request, rc);
349                 }
350             }
351         }
352         catch (const std::out_of_range& e)
353         {
354             return CmdHandler::ccOnlyResponse(request, PLDM_ERROR_INVALID_DATA);
355         }
356     }
357     Response response(
358         sizeof(pldm_msg_hdr) + PLDM_PLATFORM_EVENT_MESSAGE_RESP_BYTES, 0);
359     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
360 
361     rc = encode_platform_event_message_resp(request->hdr.instance_id, rc,
362                                             PLDM_EVENT_NO_LOGGING, responsePtr);
363     if (rc != PLDM_SUCCESS)
364     {
365         return ccOnlyResponse(request, rc);
366     }
367 
368     return response;
369 }
370 
371 int Handler::sensorEvent(const pldm_msg* request, size_t payloadLength,
372                          uint8_t /*formatVersion*/, uint8_t tid,
373                          size_t eventDataOffset)
374 {
375     uint16_t sensorId{};
376     uint8_t eventClass{};
377     size_t eventClassDataOffset{};
378     auto eventData =
379         reinterpret_cast<const uint8_t*>(request->payload) + eventDataOffset;
380     auto eventDataSize = payloadLength - eventDataOffset;
381 
382     auto rc = decode_sensor_event_data(eventData, eventDataSize, &sensorId,
383                                        &eventClass, &eventClassDataOffset);
384     if (rc != PLDM_SUCCESS)
385     {
386         return rc;
387     }
388 
389     auto eventClassData = reinterpret_cast<const uint8_t*>(request->payload) +
390                           eventDataOffset + eventClassDataOffset;
391     auto eventClassDataSize =
392         payloadLength - eventDataOffset - eventClassDataOffset;
393 
394     if (eventClass == PLDM_STATE_SENSOR_STATE)
395     {
396         uint8_t sensorOffset{};
397         uint8_t eventState{};
398         uint8_t previousEventState{};
399 
400         rc = decode_state_sensor_data(eventClassData, eventClassDataSize,
401                                       &sensorOffset, &eventState,
402                                       &previousEventState);
403         if (rc != PLDM_SUCCESS)
404         {
405             return PLDM_ERROR;
406         }
407 
408         // Emitting state sensor event signal
409         emitStateSensorEventSignal(tid, sensorId, sensorOffset, eventState,
410                                    previousEventState);
411 
412         // If there are no HOST PDR's, there is no further action
413         if (hostPDRHandler == NULL)
414         {
415             return PLDM_SUCCESS;
416         }
417 
418         // Handle PLDM events for which PDR is available
419         SensorEntry sensorEntry{tid, sensorId};
420 
421         pldm::pdr::EntityInfo entityInfo{};
422         pldm::pdr::CompositeSensorStates compositeSensorStates{};
423 
424         try
425         {
426             std::tie(entityInfo, compositeSensorStates) =
427                 hostPDRHandler->lookupSensorInfo(sensorEntry);
428         }
429         catch (const std::out_of_range& e)
430         {
431             // If there is no mapping for tid, sensorId combination, try
432             // PLDM_TID_RESERVED, sensorId for terminus that is yet to
433             // implement TL PDR.
434             try
435             {
436                 sensorEntry.terminusID = PLDM_TID_RESERVED;
437                 std::tie(entityInfo, compositeSensorStates) =
438                     hostPDRHandler->lookupSensorInfo(sensorEntry);
439             }
440             // If there is no mapping for events return PLDM_SUCCESS
441             catch (const std::out_of_range& e)
442             {
443                 return PLDM_SUCCESS;
444             }
445         }
446 
447         if (sensorOffset >= compositeSensorStates.size())
448         {
449             return PLDM_ERROR_INVALID_DATA;
450         }
451 
452         const auto& possibleStates = compositeSensorStates[sensorOffset];
453         if (possibleStates.find(eventState) == possibleStates.end())
454         {
455             return PLDM_ERROR_INVALID_DATA;
456         }
457 
458         const auto& [containerId, entityType, entityInstance] = entityInfo;
459         events::StateSensorEntry stateSensorEntry{containerId, entityType,
460                                                   entityInstance, sensorOffset};
461         return hostPDRHandler->handleStateSensorEvent(stateSensorEntry,
462                                                       eventState);
463     }
464     else
465     {
466         return PLDM_ERROR_INVALID_DATA;
467     }
468 
469     return PLDM_SUCCESS;
470 }
471 
472 int Handler::pldmPDRRepositoryChgEvent(const pldm_msg* request,
473                                        size_t payloadLength,
474                                        uint8_t /*formatVersion*/,
475                                        uint8_t /*tid*/, size_t eventDataOffset)
476 {
477     uint8_t eventDataFormat{};
478     uint8_t numberOfChangeRecords{};
479     size_t dataOffset{};
480 
481     auto eventData =
482         reinterpret_cast<const uint8_t*>(request->payload) + eventDataOffset;
483     auto eventDataSize = payloadLength - eventDataOffset;
484 
485     auto rc = decode_pldm_pdr_repository_chg_event_data(
486         eventData, eventDataSize, &eventDataFormat, &numberOfChangeRecords,
487         &dataOffset);
488     if (rc != PLDM_SUCCESS)
489     {
490         return rc;
491     }
492 
493     PDRRecordHandles pdrRecordHandles;
494 
495     if (eventDataFormat == FORMAT_IS_PDR_TYPES)
496     {
497         return PLDM_ERROR_INVALID_DATA;
498     }
499 
500     if (eventDataFormat == FORMAT_IS_PDR_HANDLES)
501     {
502         uint8_t eventDataOperation{};
503         uint8_t numberOfChangeEntries{};
504 
505         auto changeRecordData = eventData + dataOffset;
506         auto changeRecordDataSize = eventDataSize - dataOffset;
507 
508         while (changeRecordDataSize)
509         {
510             rc = decode_pldm_pdr_repository_change_record_data(
511                 changeRecordData, changeRecordDataSize, &eventDataOperation,
512                 &numberOfChangeEntries, &dataOffset);
513 
514             if (rc != PLDM_SUCCESS)
515             {
516                 return rc;
517             }
518 
519             if (eventDataOperation == PLDM_RECORDS_ADDED)
520             {
521                 rc = getPDRRecordHandles(
522                     reinterpret_cast<const ChangeEntry*>(changeRecordData +
523                                                          dataOffset),
524                     changeRecordDataSize - dataOffset,
525                     static_cast<size_t>(numberOfChangeEntries),
526                     pdrRecordHandles);
527 
528                 if (rc != PLDM_SUCCESS)
529                 {
530                     return rc;
531                 }
532             }
533 
534             if (eventDataOperation == PLDM_RECORDS_MODIFIED)
535             {
536                 return PLDM_ERROR_UNSUPPORTED_PLDM_CMD;
537             }
538 
539             changeRecordData +=
540                 dataOffset + (numberOfChangeEntries * sizeof(ChangeEntry));
541             changeRecordDataSize -=
542                 dataOffset + (numberOfChangeEntries * sizeof(ChangeEntry));
543         }
544     }
545     if (hostPDRHandler)
546     {
547         hostPDRHandler->fetchPDR(std::move(pdrRecordHandles));
548     }
549 
550     return PLDM_SUCCESS;
551 }
552 
553 int Handler::getPDRRecordHandles(const ChangeEntry* changeEntryData,
554                                  size_t changeEntryDataSize,
555                                  size_t numberOfChangeEntries,
556                                  PDRRecordHandles& pdrRecordHandles)
557 {
558     if (numberOfChangeEntries > (changeEntryDataSize / sizeof(ChangeEntry)))
559     {
560         return PLDM_ERROR_INVALID_DATA;
561     }
562     for (size_t i = 0; i < numberOfChangeEntries; i++)
563     {
564         pdrRecordHandles.push_back(changeEntryData[i]);
565     }
566     return PLDM_SUCCESS;
567 }
568 
569 Response Handler::setNumericEffecterValue(const pldm_msg* request,
570                                           size_t payloadLength)
571 {
572     Response response(sizeof(pldm_msg_hdr) +
573                       PLDM_SET_NUMERIC_EFFECTER_VALUE_RESP_BYTES);
574     uint16_t effecterId{};
575     uint8_t effecterDataSize{};
576     uint8_t effecterValue[4] = {};
577 
578     if ((payloadLength > sizeof(effecterId) + sizeof(effecterDataSize) +
579                              sizeof(union_effecter_data_size)) ||
580         (payloadLength < sizeof(effecterId) + sizeof(effecterDataSize) + 1))
581     {
582         return ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
583     }
584 
585     int rc = decode_set_numeric_effecter_value_req(
586         request, payloadLength, &effecterId, &effecterDataSize,
587         reinterpret_cast<uint8_t*>(&effecterValue));
588 
589     if (rc == PLDM_SUCCESS)
590     {
591         const pldm::utils::DBusHandler dBusIntf;
592         rc = platform_numeric_effecter::setNumericEffecterValueHandler<
593             pldm::utils::DBusHandler, Handler>(dBusIntf, *this, effecterId,
594                                                effecterDataSize, effecterValue,
595                                                sizeof(effecterValue));
596     }
597 
598     return ccOnlyResponse(request, rc);
599 }
600 
601 void Handler::generateTerminusLocatorPDR(Repo& repo)
602 {
603     std::vector<uint8_t> pdrBuffer(sizeof(pldm_terminus_locator_pdr));
604 
605     auto pdr = reinterpret_cast<pldm_terminus_locator_pdr*>(pdrBuffer.data());
606 
607     pdr->hdr.record_handle = 0;
608     pdr->hdr.version = 1;
609     pdr->hdr.type = PLDM_TERMINUS_LOCATOR_PDR;
610     pdr->hdr.record_change_num = 0;
611     pdr->hdr.length = sizeof(pldm_terminus_locator_pdr) - sizeof(pldm_pdr_hdr);
612     pdr->terminus_handle = TERMINUS_HANDLE;
613     pdr->validity = PLDM_TL_PDR_VALID;
614     pdr->tid = TERMINUS_ID;
615     pdr->container_id = 0x0;
616     pdr->terminus_locator_type = PLDM_TERMINUS_LOCATOR_TYPE_MCTP_EID;
617     pdr->terminus_locator_value_size =
618         sizeof(pldm_terminus_locator_type_mctp_eid);
619     auto locatorValue = reinterpret_cast<pldm_terminus_locator_type_mctp_eid*>(
620         pdr->terminus_locator_value);
621     locatorValue->eid = BmcMctpEid;
622 
623     PdrEntry pdrEntry{};
624     pdrEntry.data = pdrBuffer.data();
625     pdrEntry.size = pdrBuffer.size();
626     repo.addRecord(pdrEntry);
627     if (hostPDRHandler)
628     {
629         hostPDRHandler->tlPDRInfo.insert_or_assign(
630             pdr->terminus_handle,
631             std::make_tuple(pdr->tid, locatorValue->eid, pdr->validity));
632     }
633 }
634 
635 Response Handler::getStateSensorReadings(const pldm_msg* request,
636                                          size_t payloadLength)
637 {
638     uint16_t sensorId{};
639     bitfield8_t sensorRearm{};
640     uint8_t reserved{};
641 
642     if (payloadLength != PLDM_GET_SENSOR_READING_REQ_BYTES)
643     {
644         return ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
645     }
646 
647     int rc = decode_get_state_sensor_readings_req(
648         request, payloadLength, &sensorId, &sensorRearm, &reserved);
649 
650     if (rc != PLDM_SUCCESS)
651     {
652         return ccOnlyResponse(request, rc);
653     }
654 
655     // 0x01 to 0x08
656     uint8_t sensorRearmCount = std::popcount(sensorRearm.byte);
657     std::vector<get_sensor_state_field> stateField(sensorRearmCount);
658     uint8_t comSensorCnt{};
659     const pldm::utils::DBusHandler dBusIntf;
660 
661     uint16_t entityType{};
662     uint16_t entityInstance{};
663     uint16_t stateSetId{};
664 
665     if (isOemStateSensor(*this, sensorId, sensorRearmCount, comSensorCnt,
666                          entityType, entityInstance, stateSetId) &&
667         oemPlatformHandler != nullptr && !sensorDbusObjMaps.contains(sensorId))
668     {
669         rc = oemPlatformHandler->getOemStateSensorReadingsHandler(
670             entityType, entityInstance, stateSetId, comSensorCnt, stateField);
671     }
672     else
673     {
674         rc = platform_state_sensor::getStateSensorReadingsHandler<
675             pldm::utils::DBusHandler, Handler>(dBusIntf, *this, sensorId,
676                                                sensorRearmCount, comSensorCnt,
677                                                stateField);
678     }
679 
680     if (rc != PLDM_SUCCESS)
681     {
682         return ccOnlyResponse(request, rc);
683     }
684 
685     Response response(sizeof(pldm_msg_hdr) +
686                       PLDM_GET_STATE_SENSOR_READINGS_MIN_RESP_BYTES +
687                       sizeof(get_sensor_state_field) * comSensorCnt);
688     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
689     rc = encode_get_state_sensor_readings_resp(request->hdr.instance_id, rc,
690                                                comSensorCnt, stateField.data(),
691                                                responsePtr);
692     if (rc != PLDM_SUCCESS)
693     {
694         return ccOnlyResponse(request, rc);
695     }
696 
697     return response;
698 }
699 
700 void Handler::_processPostGetPDRActions(sdeventplus::source::EventBase&
701                                         /*source */)
702 {
703     deferredGetPDREvent.reset();
704     dbusToPLDMEventHandler->listenSensorEvent(pdrRepo, sensorDbusObjMaps);
705 }
706 
707 bool isOemStateSensor(Handler& handler, uint16_t sensorId,
708                       uint8_t sensorRearmCount, uint8_t& compSensorCnt,
709                       uint16_t& entityType, uint16_t& entityInstance,
710                       uint16_t& stateSetId)
711 {
712     pldm_state_sensor_pdr* pdr = nullptr;
713 
714     std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> stateSensorPdrRepo(
715         pldm_pdr_init(), pldm_pdr_destroy);
716     Repo stateSensorPDRs(stateSensorPdrRepo.get());
717     getRepoByType(handler.getRepo(), stateSensorPDRs, PLDM_STATE_SENSOR_PDR);
718     if (stateSensorPDRs.empty())
719     {
720         std::cerr << "Failed to get record by PDR type\n";
721         return false;
722     }
723 
724     PdrEntry pdrEntry{};
725     auto pdrRecord = stateSensorPDRs.getFirstRecord(pdrEntry);
726     while (pdrRecord)
727     {
728         pdr = reinterpret_cast<pldm_state_sensor_pdr*>(pdrEntry.data);
729         assert(pdr != NULL);
730         if (pdr->sensor_id != sensorId)
731         {
732             pdr = nullptr;
733             pdrRecord = stateSensorPDRs.getNextRecord(pdrRecord, pdrEntry);
734             continue;
735         }
736         auto tmpEntityType = pdr->entity_type;
737         auto tmpEntityInstance = pdr->entity_instance;
738         auto tmpCompSensorCnt = pdr->composite_sensor_count;
739         auto tmpPossibleStates =
740             reinterpret_cast<state_sensor_possible_states*>(
741                 pdr->possible_states);
742         auto tmpStateSetId = tmpPossibleStates->state_set_id;
743 
744         if (sensorRearmCount > tmpCompSensorCnt)
745         {
746             std::cerr << "The requester sent wrong sensorRearm"
747                       << " count for the sensor, SENSOR_ID=" << sensorId
748                       << "SENSOR_REARM_COUNT=" << (uint16_t)sensorRearmCount
749                       << "\n";
750             break;
751         }
752 
753         if ((tmpEntityType >= PLDM_OEM_ENTITY_TYPE_START &&
754              tmpEntityType <= PLDM_OEM_ENTITY_TYPE_END) ||
755             (tmpStateSetId >= PLDM_OEM_STATE_SET_ID_START &&
756              tmpStateSetId < PLDM_OEM_STATE_SET_ID_END))
757         {
758             entityType = tmpEntityType;
759             entityInstance = tmpEntityInstance;
760             stateSetId = tmpStateSetId;
761             compSensorCnt = tmpCompSensorCnt;
762             return true;
763         }
764         else
765         {
766             return false;
767         }
768     }
769     return false;
770 }
771 
772 bool isOemStateEffecter(Handler& handler, uint16_t effecterId,
773                         uint8_t compEffecterCnt, uint16_t& entityType,
774                         uint16_t& entityInstance, uint16_t& stateSetId)
775 {
776     pldm_state_effecter_pdr* pdr = nullptr;
777 
778     std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> stateEffecterPdrRepo(
779         pldm_pdr_init(), pldm_pdr_destroy);
780     Repo stateEffecterPDRs(stateEffecterPdrRepo.get());
781     getRepoByType(handler.getRepo(), stateEffecterPDRs,
782                   PLDM_STATE_EFFECTER_PDR);
783     if (stateEffecterPDRs.empty())
784     {
785         std::cerr << "Failed to get record by PDR type\n";
786         return false;
787     }
788 
789     PdrEntry pdrEntry{};
790     auto pdrRecord = stateEffecterPDRs.getFirstRecord(pdrEntry);
791     while (pdrRecord)
792     {
793         pdr = reinterpret_cast<pldm_state_effecter_pdr*>(pdrEntry.data);
794         assert(pdr != NULL);
795         if (pdr->effecter_id != effecterId)
796         {
797             pdr = nullptr;
798             pdrRecord = stateEffecterPDRs.getNextRecord(pdrRecord, pdrEntry);
799             continue;
800         }
801 
802         auto tmpEntityType = pdr->entity_type;
803         auto tmpEntityInstance = pdr->entity_instance;
804         auto tmpPossibleStates =
805             reinterpret_cast<state_effecter_possible_states*>(
806                 pdr->possible_states);
807         auto tmpStateSetId = tmpPossibleStates->state_set_id;
808 
809         if (compEffecterCnt > pdr->composite_effecter_count)
810         {
811             std::cerr << "The requester sent wrong composite effecter"
812                       << " count for the effecter, EFFECTER_ID=" << effecterId
813                       << "COMP_EFF_CNT=" << (uint16_t)compEffecterCnt << "\n";
814             return false;
815         }
816 
817         if ((tmpEntityType >= PLDM_OEM_ENTITY_TYPE_START &&
818              tmpEntityType <= PLDM_OEM_ENTITY_TYPE_END) ||
819             (tmpStateSetId >= PLDM_OEM_STATE_SET_ID_START &&
820              tmpStateSetId < PLDM_OEM_STATE_SET_ID_END))
821         {
822             entityType = tmpEntityType;
823             entityInstance = tmpEntityInstance;
824             stateSetId = tmpStateSetId;
825             return true;
826         }
827         else
828         {
829             return false;
830         }
831     }
832     return false;
833 }
834 
835 } // namespace platform
836 } // namespace responder
837 } // namespace pldm
838