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     {
288         rc = oemPlatformHandler->oemSetStateEffecterStatesHandler(
289             entityType, entityInstance, stateSetId, compEffecterCnt, stateField,
290             effecterId);
291     }
292     else
293     {
294         rc = platform_state_effecter::setStateEffecterStatesHandler<
295             pldm::utils::DBusHandler, Handler>(dBusIntf, *this, effecterId,
296                                                stateField);
297     }
298     if (rc != PLDM_SUCCESS)
299     {
300         return CmdHandler::ccOnlyResponse(request, rc);
301     }
302 
303     rc = encode_set_state_effecter_states_resp(request->hdr.instance_id, rc,
304                                                responsePtr);
305     if (rc != PLDM_SUCCESS)
306     {
307         return ccOnlyResponse(request, rc);
308     }
309 
310     return response;
311 }
312 
313 Response Handler::platformEventMessage(const pldm_msg* request,
314                                        size_t payloadLength)
315 {
316     uint8_t formatVersion{};
317     uint8_t tid{};
318     uint8_t eventClass{};
319     size_t offset{};
320 
321     auto rc = decode_platform_event_message_req(
322         request, payloadLength, &formatVersion, &tid, &eventClass, &offset);
323     if (rc != PLDM_SUCCESS)
324     {
325         return CmdHandler::ccOnlyResponse(request, rc);
326     }
327 
328     if (eventClass == PLDM_HEARTBEAT_TIMER_ELAPSED_EVENT)
329     {
330         rc = PLDM_SUCCESS;
331         if (oemPlatformHandler)
332         {
333             oemPlatformHandler->resetWatchDogTimer();
334         }
335     }
336     else
337     {
338         try
339         {
340             const auto& handlers = eventHandlers.at(eventClass);
341             for (const auto& handler : handlers)
342             {
343                 auto rc =
344                     handler(request, payloadLength, formatVersion, tid, offset);
345                 if (rc != PLDM_SUCCESS)
346                 {
347                     return CmdHandler::ccOnlyResponse(request, rc);
348                 }
349             }
350         }
351         catch (const std::out_of_range& e)
352         {
353             return CmdHandler::ccOnlyResponse(request, PLDM_ERROR_INVALID_DATA);
354         }
355     }
356     Response response(
357         sizeof(pldm_msg_hdr) + PLDM_PLATFORM_EVENT_MESSAGE_RESP_BYTES, 0);
358     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
359 
360     rc = encode_platform_event_message_resp(request->hdr.instance_id, rc,
361                                             PLDM_EVENT_NO_LOGGING, responsePtr);
362     if (rc != PLDM_SUCCESS)
363     {
364         return ccOnlyResponse(request, rc);
365     }
366 
367     return response;
368 }
369 
370 int Handler::sensorEvent(const pldm_msg* request, size_t payloadLength,
371                          uint8_t /*formatVersion*/, uint8_t tid,
372                          size_t eventDataOffset)
373 {
374     uint16_t sensorId{};
375     uint8_t eventClass{};
376     size_t eventClassDataOffset{};
377     auto eventData =
378         reinterpret_cast<const uint8_t*>(request->payload) + eventDataOffset;
379     auto eventDataSize = payloadLength - eventDataOffset;
380 
381     auto rc = decode_sensor_event_data(eventData, eventDataSize, &sensorId,
382                                        &eventClass, &eventClassDataOffset);
383     if (rc != PLDM_SUCCESS)
384     {
385         return rc;
386     }
387 
388     auto eventClassData = reinterpret_cast<const uint8_t*>(request->payload) +
389                           eventDataOffset + eventClassDataOffset;
390     auto eventClassDataSize =
391         payloadLength - eventDataOffset - eventClassDataOffset;
392 
393     if (eventClass == PLDM_STATE_SENSOR_STATE)
394     {
395         uint8_t sensorOffset{};
396         uint8_t eventState{};
397         uint8_t previousEventState{};
398 
399         rc = decode_state_sensor_data(eventClassData, eventClassDataSize,
400                                       &sensorOffset, &eventState,
401                                       &previousEventState);
402         if (rc != PLDM_SUCCESS)
403         {
404             return PLDM_ERROR;
405         }
406 
407         // Emitting state sensor event signal
408         emitStateSensorEventSignal(tid, sensorId, sensorOffset, eventState,
409                                    previousEventState);
410 
411         // If there are no HOST PDR's, there is no further action
412         if (hostPDRHandler == NULL)
413         {
414             return PLDM_SUCCESS;
415         }
416 
417         // Handle PLDM events for which PDR is available
418         SensorEntry sensorEntry{tid, sensorId};
419 
420         pldm::pdr::EntityInfo entityInfo{};
421         pldm::pdr::CompositeSensorStates compositeSensorStates{};
422 
423         try
424         {
425             std::tie(entityInfo, compositeSensorStates) =
426                 hostPDRHandler->lookupSensorInfo(sensorEntry);
427         }
428         catch (const std::out_of_range& e)
429         {
430             // If there is no mapping for tid, sensorId combination, try
431             // PLDM_TID_RESERVED, sensorId for terminus that is yet to
432             // implement TL PDR.
433             try
434             {
435                 sensorEntry.terminusID = PLDM_TID_RESERVED;
436                 std::tie(entityInfo, compositeSensorStates) =
437                     hostPDRHandler->lookupSensorInfo(sensorEntry);
438             }
439             // If there is no mapping for events return PLDM_SUCCESS
440             catch (const std::out_of_range& e)
441             {
442                 return PLDM_SUCCESS;
443             }
444         }
445 
446         if (sensorOffset >= compositeSensorStates.size())
447         {
448             return PLDM_ERROR_INVALID_DATA;
449         }
450 
451         const auto& possibleStates = compositeSensorStates[sensorOffset];
452         if (possibleStates.find(eventState) == possibleStates.end())
453         {
454             return PLDM_ERROR_INVALID_DATA;
455         }
456 
457         const auto& [containerId, entityType, entityInstance] = entityInfo;
458         events::StateSensorEntry stateSensorEntry{containerId, entityType,
459                                                   entityInstance, sensorOffset};
460         return hostPDRHandler->handleStateSensorEvent(stateSensorEntry,
461                                                       eventState);
462     }
463     else
464     {
465         return PLDM_ERROR_INVALID_DATA;
466     }
467 
468     return PLDM_SUCCESS;
469 }
470 
471 int Handler::pldmPDRRepositoryChgEvent(const pldm_msg* request,
472                                        size_t payloadLength,
473                                        uint8_t /*formatVersion*/,
474                                        uint8_t /*tid*/, size_t eventDataOffset)
475 {
476     uint8_t eventDataFormat{};
477     uint8_t numberOfChangeRecords{};
478     size_t dataOffset{};
479 
480     auto eventData =
481         reinterpret_cast<const uint8_t*>(request->payload) + eventDataOffset;
482     auto eventDataSize = payloadLength - eventDataOffset;
483 
484     auto rc = decode_pldm_pdr_repository_chg_event_data(
485         eventData, eventDataSize, &eventDataFormat, &numberOfChangeRecords,
486         &dataOffset);
487     if (rc != PLDM_SUCCESS)
488     {
489         return rc;
490     }
491 
492     PDRRecordHandles pdrRecordHandles;
493 
494     if (eventDataFormat == FORMAT_IS_PDR_TYPES)
495     {
496         return PLDM_ERROR_INVALID_DATA;
497     }
498 
499     if (eventDataFormat == FORMAT_IS_PDR_HANDLES)
500     {
501         uint8_t eventDataOperation{};
502         uint8_t numberOfChangeEntries{};
503 
504         auto changeRecordData = eventData + dataOffset;
505         auto changeRecordDataSize = eventDataSize - dataOffset;
506 
507         while (changeRecordDataSize)
508         {
509             rc = decode_pldm_pdr_repository_change_record_data(
510                 changeRecordData, changeRecordDataSize, &eventDataOperation,
511                 &numberOfChangeEntries, &dataOffset);
512 
513             if (rc != PLDM_SUCCESS)
514             {
515                 return rc;
516             }
517 
518             if (eventDataOperation == PLDM_RECORDS_ADDED)
519             {
520                 rc = getPDRRecordHandles(
521                     reinterpret_cast<const ChangeEntry*>(changeRecordData +
522                                                          dataOffset),
523                     changeRecordDataSize - dataOffset,
524                     static_cast<size_t>(numberOfChangeEntries),
525                     pdrRecordHandles);
526 
527                 if (rc != PLDM_SUCCESS)
528                 {
529                     return rc;
530                 }
531             }
532 
533             if (eventDataOperation == PLDM_RECORDS_MODIFIED)
534             {
535                 return PLDM_ERROR_UNSUPPORTED_PLDM_CMD;
536             }
537 
538             changeRecordData +=
539                 dataOffset + (numberOfChangeEntries * sizeof(ChangeEntry));
540             changeRecordDataSize -=
541                 dataOffset + (numberOfChangeEntries * sizeof(ChangeEntry));
542         }
543     }
544     if (hostPDRHandler)
545     {
546         hostPDRHandler->fetchPDR(std::move(pdrRecordHandles));
547     }
548 
549     return PLDM_SUCCESS;
550 }
551 
552 int Handler::getPDRRecordHandles(const ChangeEntry* changeEntryData,
553                                  size_t changeEntryDataSize,
554                                  size_t numberOfChangeEntries,
555                                  PDRRecordHandles& pdrRecordHandles)
556 {
557     if (numberOfChangeEntries > (changeEntryDataSize / sizeof(ChangeEntry)))
558     {
559         return PLDM_ERROR_INVALID_DATA;
560     }
561     for (size_t i = 0; i < numberOfChangeEntries; i++)
562     {
563         pdrRecordHandles.push_back(changeEntryData[i]);
564     }
565     return PLDM_SUCCESS;
566 }
567 
568 Response Handler::setNumericEffecterValue(const pldm_msg* request,
569                                           size_t payloadLength)
570 {
571     Response response(sizeof(pldm_msg_hdr) +
572                       PLDM_SET_NUMERIC_EFFECTER_VALUE_RESP_BYTES);
573     uint16_t effecterId{};
574     uint8_t effecterDataSize{};
575     uint8_t effecterValue[4] = {};
576 
577     if ((payloadLength > sizeof(effecterId) + sizeof(effecterDataSize) +
578                              sizeof(union_effecter_data_size)) ||
579         (payloadLength < sizeof(effecterId) + sizeof(effecterDataSize) + 1))
580     {
581         return ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
582     }
583 
584     int rc = decode_set_numeric_effecter_value_req(
585         request, payloadLength, &effecterId, &effecterDataSize,
586         reinterpret_cast<uint8_t*>(&effecterValue));
587 
588     if (rc == PLDM_SUCCESS)
589     {
590         const pldm::utils::DBusHandler dBusIntf;
591         rc = platform_numeric_effecter::setNumericEffecterValueHandler<
592             pldm::utils::DBusHandler, Handler>(dBusIntf, *this, effecterId,
593                                                effecterDataSize, effecterValue,
594                                                sizeof(effecterValue));
595     }
596 
597     return ccOnlyResponse(request, rc);
598 }
599 
600 void Handler::generateTerminusLocatorPDR(Repo& repo)
601 {
602     std::vector<uint8_t> pdrBuffer(sizeof(pldm_terminus_locator_pdr));
603 
604     auto pdr = reinterpret_cast<pldm_terminus_locator_pdr*>(pdrBuffer.data());
605 
606     pdr->hdr.record_handle = 0;
607     pdr->hdr.version = 1;
608     pdr->hdr.type = PLDM_TERMINUS_LOCATOR_PDR;
609     pdr->hdr.record_change_num = 0;
610     pdr->hdr.length = sizeof(pldm_terminus_locator_pdr) - sizeof(pldm_pdr_hdr);
611     pdr->terminus_handle = TERMINUS_HANDLE;
612     pdr->validity = PLDM_TL_PDR_VALID;
613     pdr->tid = TERMINUS_ID;
614     pdr->container_id = 0x0;
615     pdr->terminus_locator_type = PLDM_TERMINUS_LOCATOR_TYPE_MCTP_EID;
616     pdr->terminus_locator_value_size =
617         sizeof(pldm_terminus_locator_type_mctp_eid);
618     auto locatorValue = reinterpret_cast<pldm_terminus_locator_type_mctp_eid*>(
619         pdr->terminus_locator_value);
620     locatorValue->eid = BmcMctpEid;
621 
622     PdrEntry pdrEntry{};
623     pdrEntry.data = pdrBuffer.data();
624     pdrEntry.size = pdrBuffer.size();
625     repo.addRecord(pdrEntry);
626 }
627 
628 Response Handler::getStateSensorReadings(const pldm_msg* request,
629                                          size_t payloadLength)
630 {
631     uint16_t sensorId{};
632     bitfield8_t sensorRearm{};
633     uint8_t reserved{};
634 
635     if (payloadLength != PLDM_GET_SENSOR_READING_REQ_BYTES)
636     {
637         return ccOnlyResponse(request, PLDM_ERROR_INVALID_LENGTH);
638     }
639 
640     int rc = decode_get_state_sensor_readings_req(
641         request, payloadLength, &sensorId, &sensorRearm, &reserved);
642 
643     if (rc != PLDM_SUCCESS)
644     {
645         return ccOnlyResponse(request, rc);
646     }
647 
648     // 0x01 to 0x08
649     uint8_t sensorRearmCount = std::popcount(sensorRearm.byte);
650     std::vector<get_sensor_state_field> stateField(sensorRearmCount);
651     uint8_t comSensorCnt{};
652     const pldm::utils::DBusHandler dBusIntf;
653 
654     uint16_t entityType{};
655     uint16_t entityInstance{};
656     uint16_t stateSetId{};
657 
658     if (isOemStateSensor(*this, sensorId, sensorRearmCount, comSensorCnt,
659                          entityType, entityInstance, stateSetId) &&
660         oemPlatformHandler != nullptr)
661     {
662         rc = oemPlatformHandler->getOemStateSensorReadingsHandler(
663             entityType, entityInstance, stateSetId, comSensorCnt, stateField);
664     }
665     else
666     {
667         rc = platform_state_sensor::getStateSensorReadingsHandler<
668             pldm::utils::DBusHandler, Handler>(dBusIntf, *this, sensorId,
669                                                sensorRearmCount, comSensorCnt,
670                                                stateField);
671     }
672 
673     if (rc != PLDM_SUCCESS)
674     {
675         return ccOnlyResponse(request, rc);
676     }
677 
678     Response response(sizeof(pldm_msg_hdr) +
679                       PLDM_GET_STATE_SENSOR_READINGS_MIN_RESP_BYTES +
680                       sizeof(get_sensor_state_field) * comSensorCnt);
681     auto responsePtr = reinterpret_cast<pldm_msg*>(response.data());
682     rc = encode_get_state_sensor_readings_resp(request->hdr.instance_id, rc,
683                                                comSensorCnt, stateField.data(),
684                                                responsePtr);
685     if (rc != PLDM_SUCCESS)
686     {
687         return ccOnlyResponse(request, rc);
688     }
689 
690     return response;
691 }
692 
693 void Handler::_processPostGetPDRActions(sdeventplus::source::EventBase&
694                                         /*source */)
695 {
696     deferredGetPDREvent.reset();
697     dbusToPLDMEventHandler->listenSensorEvent(pdrRepo, sensorDbusObjMaps);
698 }
699 
700 bool isOemStateSensor(Handler& handler, uint16_t sensorId,
701                       uint8_t sensorRearmCount, uint8_t& compSensorCnt,
702                       uint16_t& entityType, uint16_t& entityInstance,
703                       uint16_t& stateSetId)
704 {
705     pldm_state_sensor_pdr* pdr = nullptr;
706 
707     std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> stateSensorPdrRepo(
708         pldm_pdr_init(), pldm_pdr_destroy);
709     Repo stateSensorPDRs(stateSensorPdrRepo.get());
710     getRepoByType(handler.getRepo(), stateSensorPDRs, PLDM_STATE_SENSOR_PDR);
711     if (stateSensorPDRs.empty())
712     {
713         std::cerr << "Failed to get record by PDR type\n";
714         return false;
715     }
716 
717     PdrEntry pdrEntry{};
718     auto pdrRecord = stateSensorPDRs.getFirstRecord(pdrEntry);
719     while (pdrRecord)
720     {
721         pdr = reinterpret_cast<pldm_state_sensor_pdr*>(pdrEntry.data);
722         assert(pdr != NULL);
723         if (pdr->sensor_id != sensorId)
724         {
725             pdr = nullptr;
726             pdrRecord = stateSensorPDRs.getNextRecord(pdrRecord, pdrEntry);
727             continue;
728         }
729         auto tmpEntityType = pdr->entity_type;
730         auto tmpEntityInstance = pdr->entity_instance;
731         auto tmpCompSensorCnt = pdr->composite_sensor_count;
732         auto tmpPossibleStates =
733             reinterpret_cast<state_sensor_possible_states*>(
734                 pdr->possible_states);
735         auto tmpStateSetId = tmpPossibleStates->state_set_id;
736 
737         if (sensorRearmCount > tmpCompSensorCnt)
738         {
739             std::cerr << "The requester sent wrong sensorRearm"
740                       << " count for the sensor, SENSOR_ID=" << sensorId
741                       << "SENSOR_REARM_COUNT=" << (uint16_t)sensorRearmCount
742                       << "\n";
743             break;
744         }
745 
746         if ((tmpEntityType >= PLDM_OEM_ENTITY_TYPE_START &&
747              tmpEntityType <= PLDM_OEM_ENTITY_TYPE_END) ||
748             (tmpStateSetId >= PLDM_OEM_STATE_SET_ID_START &&
749              tmpStateSetId < PLDM_OEM_STATE_SET_ID_END))
750         {
751             entityType = tmpEntityType;
752             entityInstance = tmpEntityInstance;
753             stateSetId = tmpStateSetId;
754             compSensorCnt = tmpCompSensorCnt;
755             return true;
756         }
757         else
758         {
759             return false;
760         }
761     }
762     return false;
763 }
764 
765 bool isOemStateEffecter(Handler& handler, uint16_t effecterId,
766                         uint8_t compEffecterCnt, uint16_t& entityType,
767                         uint16_t& entityInstance, uint16_t& stateSetId)
768 {
769     pldm_state_effecter_pdr* pdr = nullptr;
770 
771     std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> stateEffecterPdrRepo(
772         pldm_pdr_init(), pldm_pdr_destroy);
773     Repo stateEffecterPDRs(stateEffecterPdrRepo.get());
774     getRepoByType(handler.getRepo(), stateEffecterPDRs,
775                   PLDM_STATE_EFFECTER_PDR);
776     if (stateEffecterPDRs.empty())
777     {
778         std::cerr << "Failed to get record by PDR type\n";
779         return false;
780     }
781 
782     PdrEntry pdrEntry{};
783     auto pdrRecord = stateEffecterPDRs.getFirstRecord(pdrEntry);
784     while (pdrRecord)
785     {
786         pdr = reinterpret_cast<pldm_state_effecter_pdr*>(pdrEntry.data);
787         assert(pdr != NULL);
788         if (pdr->effecter_id != effecterId)
789         {
790             pdr = nullptr;
791             pdrRecord = stateEffecterPDRs.getNextRecord(pdrRecord, pdrEntry);
792             continue;
793         }
794 
795         auto tmpEntityType = pdr->entity_type;
796         auto tmpEntityInstance = pdr->entity_instance;
797         auto tmpPossibleStates =
798             reinterpret_cast<state_effecter_possible_states*>(
799                 pdr->possible_states);
800         auto tmpStateSetId = tmpPossibleStates->state_set_id;
801 
802         if (compEffecterCnt > pdr->composite_effecter_count)
803         {
804             std::cerr << "The requester sent wrong composite effecter"
805                       << " count for the effecter, EFFECTER_ID=" << effecterId
806                       << "COMP_EFF_CNT=" << (uint16_t)compEffecterCnt << "\n";
807             return false;
808         }
809 
810         if ((tmpEntityType >= PLDM_OEM_ENTITY_TYPE_START &&
811              tmpEntityType <= PLDM_OEM_ENTITY_TYPE_END) ||
812             (tmpStateSetId >= PLDM_OEM_STATE_SET_ID_START &&
813              tmpStateSetId < PLDM_OEM_STATE_SET_ID_END))
814         {
815             entityType = tmpEntityType;
816             entityInstance = tmpEntityInstance;
817             stateSetId = tmpStateSetId;
818             return true;
819         }
820         else
821         {
822             return false;
823         }
824     }
825     return false;
826 }
827 
828 } // namespace platform
829 } // namespace responder
830 } // namespace pldm
831