+ /* Break out of while loop if measurement info is found in measurement-supported list */
+ break;
+ }
+ else
+ {
+ DU_FREE(measInfoSubscribedDb, sizeof(MeasurementInfo));
+ measInfoSubscribedDb = NULLP;
+ *memFailure = true;
+ break;
+ }
+ }
+
+ supportedMeasNode = supportedMeasNode->next;
+
+ } /* End of while for traversing measurement-supported list in a report style */
+
+ /* If a measurement-to-be-subscribed is not found in measurement-supported list in this report style
+ * Then :
+ * Delete all entries from measurement-subscription list and
+ * Break out of for loop to search in next report style */
+ if(!measInfoSubscribedDb)
+ {
+ while(measInfoSubscribedList->count)
+ {
+ measToDelNode = cmLListDelFrm(measInfoSubscribedList, measInfoSubscribedList->first);
+ measInfoToDel = (MeasurementInfo*)measToDelNode->node;
+ DU_FREE(measInfoToDel, sizeof(MeasurementInfo));
+ DU_FREE(measToDelNode, sizeof(CmLList));
+ }
+ break;
+ }
+
+ } /* End of for loop , traversing measurement-to-be-subscribed list */
+
+ /* If all measurement-to-be-subscribed was found in measurement-supported list and
+ * was added to measurement-subscription list successfully, return from here */
+ if(measInfoToBeSubscribedList->list.count == measInfoSubscribedList->count)
+ return ROK;
+
+ return RFAILED;
+}
+
+/*******************************************************************
+ *
+ * @brief Extract E2SM-KPM Action definition
+ *
+ * @details
+ *
+ * Function : extractRicActionDef
+ *
+ * Functionality : This function :
+ * - Decodes E2SM-KPM Action Definition
+ * - Validates that action is supported by E2 node
+ * - Stores action details in local DB
+ *
+ * @params[in] RAN Function Database structure
+ * RIC subscription's Action definition to be added to
+ * RAN function
+ * RIC Action Definition buffer received from RIC
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t extractRicActionDef(RanFunction *ranFuncDb, ActionDefinition *actionDefDb, RICactionDefinition_t *ricActionDef,\
+ E2FailureCause *failureCause)
+{
+ bool memFailure = false;
+ uint8_t styleIdx = 0;
+ asn_dec_rval_t rval ={0};
+
+ E2SM_KPM_ActionDefinition_t actionDef, *actionDefPtr = NULLP;
+ E2SM_KPM_ActionDefinition_Format1_t *actionFormat1 = NULLP;
+ CmLListCp *measInfoSupportedList = NULLP;
+ CmLListCp *measInfoSubscribedList = NULLP;
+
+ /* Decoding E2SM-KPM Action Definition */
+ actionDefPtr = &actionDef;
+ memset(actionDefPtr, 0, sizeof(E2SM_KPM_EventTriggerDefinition_t));
+
+ rval = aper_decode(0, &asn_DEF_E2SM_KPM_ActionDefinition, (void **)&actionDefPtr, ricActionDef->buf,\
+ ricActionDef->size, 0, 0);
+ if(rval.code == RC_FAIL || rval.code == RC_WMORE)
+ {
+ DU_LOG("\nERROR --> E2AP : ASN decode failed for E2SM-KPM Action Definition");
+ failureCause->causeType = E2_PROTOCOL;
+ failureCause->cause = E2_ABSTRACT_SYNTAX_ERROR_FALSELY_CONSTRUCTED_MESSAGE;
+ return RFAILED;
+ }
+ printf("\n");
+ xer_fprint(stdout, &asn_DEF_E2SM_KPM_ActionDefinition, actionDefPtr);
+
+
+ /* Validate if Report style to subscribe is supported by E2 Node */
+ for(styleIdx= 0; styleIdx < ranFuncDb->numOfReportStyleSupported; styleIdx++)
+ {
+ /* Validate Report style type and report style format type is supported by E2 Node */
+ if((ranFuncDb->reportStyleList[styleIdx].reportStyle.styleType == actionDefPtr->ric_Style_Type) &&
+ (ranFuncDb->reportStyleList[styleIdx].reportStyle.formatType == actionDefPtr->actionDefinition_formats.present))
+ {
+ /* Fetch Report stype type and format type */
+ actionDefDb->styleType = actionDefPtr->ric_Style_Type;
+ actionDefDb->formatType = actionDefPtr->actionDefinition_formats.present;
+
+ switch(actionDefPtr->actionDefinition_formats.present)
+ {
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format1:
+ {
+ actionFormat1 = actionDefPtr->actionDefinition_formats.choice.actionDefinition_Format1;
+
+ /* Fetch granularity period */
+ actionDefDb->choice.format1.granularityPeriod = actionFormat1->granulPeriod;
+
+ /* Validate and add the Measurement to subscription list */
+ measInfoSupportedList = &ranFuncDb->reportStyleList[styleIdx].measurementInfoList;
+ measInfoSubscribedList = &actionDefDb->choice.format1.measurementInfoList;
+ if(extractMeasInfoList(measInfoSupportedList, &actionFormat1->measInfoList, \
+ measInfoSubscribedList, &memFailure) == ROK)
+ {
+ if(!memFailure)
+ {
+ /* Free E2SM_KPM_ActionDefinition_t */
+ freeAperDecodingOfRicActionDefinition(actionDefPtr);
+ return ROK;
+ }
+ }
+
+ break; /* End of E2SM-KPM Action definition format 1 case */
+ }
+
+ default :
+ {
+ DU_LOG("\nERROR -> DUAPP: Only E2SM-KPM Action Definition Format 1 is supported");
+ break;
+ }
+ } /* End of switch for E2SM-KPM Action definition formats */
+ }
+
+ if(memFailure)
+ {
+ failureCause->causeType = E2_MISCELLANEOUS;
+ failureCause->cause = E2_MISCELLANEOUS_CAUSE_UNSPECIFIED;
+ break;
+ }
+ } /* End of for loop, traversing Report-styles-supported list in E2 node */
+
+ /* Memset action Db and Free E2SM_KPM_ActionDefinition_t */
+ memset(actionDefDb, 0, sizeof(ActionDefinition));
+ freeAperDecodingOfRicActionDefinition(actionDefPtr);
+
+ if(failureCause->causeType == E2_NOTHING)
+ {
+ failureCause->causeType = E2_RIC_REQUEST;
+ failureCause->cause = E2_ACTION_NOT_SUPPORTED;
+ }
+ return RFAILED;
+}
+
+/*******************************************************************
+ *
+ * @brief Extract RIC Action to be setup
+ *
+ * @details
+ *
+ * Function : extractRicActionToBeSetup
+ *
+ * Functionality : This function :
+ * - Validates that each action-to-be-setup is supported by E2 node
+ * - Stores event trigger details in local DB
+ *
+ * @params[in] RAN Function Database structure
+ * RIC Subscription Info to be added to RAN function
+ * RIC Action To Be Setup List received from RIC
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t extractRicActionToBeSetup(RanFunction *ranFuncDb, RicSubscription *ricSubscriptionInfo, \
+ RICactions_ToBeSetup_List_t *actionList, E2FailureCause *failureCause, PendingSubsRspInfo *subsRsp)
+{
+ uint8_t actionIdx = 0;
+ uint8_t ricActionId = 0;
+ RICaction_ToBeSetup_ItemIEs_t *actionItem = NULLP;
+
+ if(actionList->list.array)
+ {
+ for(actionIdx = 0; actionIdx < actionList->list.count; actionIdx++)
+ {
+ actionItem =(RICaction_ToBeSetup_ItemIEs_t *)actionList->list.array[actionIdx];
+ switch(actionItem->id)
+ {
+ case ProtocolIE_IDE2_id_RICaction_ToBeSetup_Item:
+ {
+ /* If Action type is REPORT and
+ * If RIC action definition's extraction and validation passes,
+ * Then :
+ * This action is added to action sequence list of subscription info */
+ ricActionId = actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionID;
+
+ if(actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionType == RICactionType_report)
+ {
+ ricSubscriptionInfo->actionSequence[ricActionId].actionId = ricActionId;
+ ricSubscriptionInfo->actionSequence[ricActionId].type = REPORT;
+
+ if(extractRicActionDef(ranFuncDb, &ricSubscriptionInfo->actionSequence[ricActionId].definition, \
+ actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionDefinition, failureCause) == ROK)
+ {
+ ricSubscriptionInfo->actionSequence[ricActionId].action = CONFIG_ADD;
+ ricSubscriptionInfo->numOfActions++;
+ break;
+ }
+ }
+
+ /* In case of any failure, action is rejected
+ * Added to rejected-action-list in subscription response */
+ memset(&ricSubscriptionInfo->actionSequence[ricActionId], 0, sizeof(ActionInfo));
+ ricSubscriptionInfo->actionSequence[ricActionId].actionId = -1;
+
+ subsRsp->rejectedActionList[subsRsp->numOfRejectedActions].id = ricActionId;
+ if(failureCause->causeType == E2_NOTHING)
+ {
+ failureCause->causeType = E2_RIC_REQUEST;
+ failureCause->cause = E2_ACTION_NOT_SUPPORTED;
+ }
+ memcpy(&subsRsp->rejectedActionList[subsRsp->numOfRejectedActions].failureCause, \
+ failureCause, sizeof(E2FailureCause));
+ subsRsp->numOfRejectedActions++;
+ break;
+ }
+ default:
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in RicSetupLst:%ld",actionItem->id);
+ break;
+ }
+ }
+ }
+
+ /* If there is even 1 action that can be added, return ROK */
+ if(ricSubscriptionInfo->numOfActions)
+ return ROK;
+
+ if(failureCause->causeType == E2_NOTHING)
+ {
+ failureCause->causeType = E2_RIC_REQUEST;
+ failureCause->cause = E2_ACTION_NOT_SUPPORTED;
+ }
+ return RFAILED;
+}
+
+/******************************************************************
+ *
+ * @brief Processes RIC Subscription Req sent by RIC
+ *
+ * @details
+ *
+ * Function : procRicSubscriptionRequest
+ *
+ * Functionality: Processes RIC Subscription Request from RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t procRicSubscriptionRequest(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t idx = 0, actionIdx = 0;
+ uint8_t ret = ROK;
+ uint16_t ranFuncId = 0;
+ RicRequestId ricReqId;
+ CmLList *ricSubscriptionNode = NULLP;
+ RanFunction *ranFuncDb = NULLP;
+ RICsubscriptionRequest_t *ricSubsReq = NULLP;
+ RICsubscriptionDetails_t *subsDetails = NULLP;
+ RicSubscription *ricSubscriptionInfo = NULLP;
+ E2FailureCause failureCause;
+
+ DU_LOG("\nINFO --> E2AP : RIC Subscription request received");
+
+ memset(&failureCause, 0, sizeof(E2FailureCause));
+ memset(&ricReqId, 0, sizeof(RicRequestId));
+
+ ricSubsReq = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionRequest;
+ for(idx=0; idx<ricSubsReq->protocolIEs.list.count; idx++)
+ {
+ if(ricSubsReq->protocolIEs.list.array[idx])
+ {
+ switch(ricSubsReq->protocolIEs.list.array[idx]->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ {
+ ricReqId.requestorId = ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricRequestorID;
+ ricReqId.instanceId = ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricInstanceID;
+
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ {
+ ranFuncId = ricSubsReq->protocolIEs.list.array[idx]->value.choice.RANfunctionID;
+
+ /* Validating RAN Function id */
+ ranFuncDb = fetchRanFuncFromRanFuncId(ranFuncId);
+
+ if(!ranFuncDb)
+ {
+ failureCause.causeType = E2_RIC_REQUEST;
+ failureCause.cause = E2_RAN_FUNCTION_ID_INVALID;
+ ret = RFAILED;
+ break;
+ }
+
+ if(ranFuncDb->numPendingSubsRsp >= MAX_PENDING_SUBSCRIPTION_RSP)
+ {
+ failureCause.causeType = E2_RIC_REQUEST;
+ failureCause.cause = E2_FUNCTION_RESOURCE_LIMIT;
+ ret = RFAILED;
+ break;
+ }
+
+ DU_ALLOC(ricSubscriptionInfo, sizeof(RicSubscription));
+ if(!ricSubscriptionInfo)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for ricSubscriptionInfo");
+ failureCause.causeType = E2_MISCELLANEOUS;
+ failureCause.cause = E2_MISCELLANEOUS_CAUSE_UNSPECIFIED;
+ ret = RFAILED;
+ break;
+ }
+ ricSubscriptionInfo->requestId.requestorId = ricReqId.requestorId;
+ ricSubscriptionInfo->requestId.instanceId = ricReqId.instanceId;
+ ricSubscriptionInfo->ranFuncId = ranFuncId;
+
+ for(actionIdx = 0; actionIdx < MAX_RIC_ACTION; actionIdx++)
+ {
+ ricSubscriptionInfo->actionSequence[actionIdx].actionId = -1;
+ }
+
+ memset(&ranFuncDb->pendingSubsRspInfo[ranFuncDb->numPendingSubsRsp], 0, sizeof(PendingSubsRspInfo));
+ memcpy(&ranFuncDb->pendingSubsRspInfo[ranFuncDb->numPendingSubsRsp].requestId,
+ &ricReqId, sizeof(RicRequestId));
+ ranFuncDb->pendingSubsRspInfo[ranFuncDb->numPendingSubsRsp].ranFuncId = ranFuncId;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICsubscriptionDetails:
+ {
+ subsDetails = &ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICsubscriptionDetails;
+
+ /* Decode, Validate and record Event Trigger Definition */
+ if(extractEventTriggerDef(ranFuncDb, ricSubscriptionInfo, &subsDetails->ricEventTriggerDefinition, \
+ &failureCause) != ROK)
+ {
+ ret = RFAILED;
+ break;
+ }
+
+ /* Decode, Validate and record RIC actions */
+ if(extractRicActionToBeSetup(ranFuncDb, ricSubscriptionInfo, &subsDetails->ricAction_ToBeSetup_List, \
+ &failureCause, &ranFuncDb->pendingSubsRspInfo[ranFuncDb->numPendingSubsRsp]) != ROK)
+ {
+ ret = RFAILED;
+ break;
+ }
+ }
+ break;
+
+ default:
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in RIC SubsReq:%ld",
+ ricSubsReq->protocolIEs.list.array[idx]->id);
+ break;
+ }
+
+ if(ret == RFAILED)
+ break;
+ }
+ }
+
+ freeAperDecodingOfRicSubsReq(ricSubsReq);
+
+ if(ret == ROK)
+ {
+ cmInitTimers(&(ricSubscriptionInfo->ricSubsReportTimer), 1);
+
+ /* Add RAN subcription detail to RAN function */
+ DU_ALLOC(ricSubscriptionNode, sizeof(CmLList));
+ if(ricSubscriptionNode)
+ {
+ ricSubscriptionNode->node = (PTR) ricSubscriptionInfo;
+ cmLListAdd2Tail(&ranFuncDb->subscriptionList, ricSubscriptionNode);
+ }
+
+ ranFuncDb->numPendingSubsRsp++;
+
+#ifdef KPI_CALCULATION
+ /* Send statistics request to other DU entities */
+ BuildAndSendStatsReq(ricSubscriptionInfo);
+#endif
+ }
+ else
+ {
+ DU_FREE(ricSubscriptionInfo, sizeof(RicSubscription));
+
+ if(ranFuncDb)
+ {
+ memset(&ranFuncDb->pendingSubsRspInfo[ranFuncDb->numPendingSubsRsp], 0, sizeof(PendingSubsRspInfo));
+ }
+
+ /* Send RIC Subcription Failure */
+ BuildAndSendRicSubscriptionFailure(ricReqId, ranFuncId, failureCause);
+ }
+
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Free RIC Subscription Failure
+ *
+ * @details
+ *
+ * Function : FreeRicSubscriptionFailure
+ *
+ * Functionality: Free RIC Subscription Failure
+ *
+ * @params[in] E2AP PDU
+ * @return void
+ *
+ * ****************************************************************/
+void FreeRicSubscriptionFailure(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t elemIdx = 0;
+ RICsubscriptionFailure_t *ricSubscriptionFailure = NULLP;
+
+ if(e2apMsg)
+ {
+ if(e2apMsg->choice.unsuccessfulOutcome)
+ {
+ ricSubscriptionFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.RICsubscriptionFailure;
+ if(ricSubscriptionFailure->protocolIEs.list.array)
+ {
+ for(elemIdx = 0; elemIdx < ricSubscriptionFailure->protocolIEs.list.count; elemIdx++)
+ {
+ DU_ALLOC(ricSubscriptionFailure->protocolIEs.list.array[elemIdx], sizeof(RICsubscriptionFailure_IEs_t));
+ }
+ DU_ALLOC(ricSubscriptionFailure->protocolIEs.list.array, ricSubscriptionFailure->protocolIEs.list.size);
+ }
+ DU_ALLOC(e2apMsg->choice.unsuccessfulOutcome, sizeof(UnsuccessfulOutcomeE2_t));
+ }
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Fill and Send RIC Subscription Failure to RIC
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicSubscriptionFailure
+ *
+ * Functionality: Fill and Send RIC Subscription Failure to RIC
+ *
+ * @params[in] RIC Request ID
+ * RAN Function ID
+ * Cause of Failure
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendRicSubscriptionFailure(RicRequestId ricReqId, uint16_t ranFuncId, E2FailureCause failureCause)
+{
+ uint8_t ret = RFAILED;
+ uint8_t elementCnt = 0, elemIdx = 0;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+ RICsubscriptionFailure_t *ricSubscriptionFailure = NULLP;
+ RICsubscriptionFailure_IEs_t *ricSubsFailIe = NULLP;
+
+ while(true)
+ {
+ DU_LOG("\nINFO --> E2AP : Building RIC Subscription Failure\n");
+
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation at [%s] : Line [%d]", __func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_unsuccessfulOutcome;
+ DU_ALLOC(e2apMsg->choice.unsuccessfulOutcome, sizeof(UnsuccessfulOutcomeE2_t));
+ if(e2apMsg->choice.unsuccessfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation at [%s] : Line [%d]", __func__, __LINE__);
+ break;
+ }
+ e2apMsg->choice.unsuccessfulOutcome->procedureCode = ProcedureCodeE2_id_RICsubscription;
+ e2apMsg->choice.unsuccessfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.unsuccessfulOutcome->value.present = UnsuccessfulOutcomeE2__value_PR_RICsubscriptionFailure;
+
+ ricSubscriptionFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.RICsubscriptionFailure;
+
+ elementCnt = 3;
+ ricSubscriptionFailure->protocolIEs.list.count = elementCnt;
+ ricSubscriptionFailure->protocolIEs.list.size = elementCnt * sizeof(RICsubscriptionFailure_IEs_t *);
+ DU_ALLOC(ricSubscriptionFailure->protocolIEs.list.array, ricSubscriptionFailure->protocolIEs.list.size);
+ if(!ricSubscriptionFailure->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation at [%s] : Line [%d]", __func__, __LINE__);
+ break;
+ }
+
+ for(elemIdx = 0; elemIdx < elementCnt; elemIdx++)
+ {
+ DU_ALLOC(ricSubscriptionFailure->protocolIEs.list.array[elemIdx], sizeof(RICsubscriptionFailure_IEs_t));
+ if(!ricSubscriptionFailure->protocolIEs.list.array[elemIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation at [%s] : Line [%d] for IE at index [%d]", \
+ __func__, __LINE__, elemIdx);
+ break;
+ }
+ }
+ if(elemIdx < elementCnt)
+ break;
+
+ elemIdx = 0;
+
+ /* RIC Request ID */
+ ricSubsFailIe = ricSubscriptionFailure->protocolIEs.list.array[elemIdx++];
+ ricSubsFailIe->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricSubsFailIe->criticality = CriticalityE2_reject;
+ ricSubsFailIe->value.present = RICsubscriptionFailure_IEs__value_PR_RICrequestID;
+ ricSubsFailIe->value.choice.RICrequestID.ricRequestorID = ricReqId.requestorId;
+ ricSubsFailIe->value.choice.RICrequestID.ricInstanceID = ricReqId.instanceId;
+
+ /* RAN Function ID */
+ ricSubsFailIe = ricSubscriptionFailure->protocolIEs.list.array[elemIdx++];
+ ricSubsFailIe->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricSubsFailIe->criticality = CriticalityE2_reject;
+ ricSubsFailIe->value.present = RICsubscriptionFailure_IEs__value_PR_RANfunctionID;
+ ricSubsFailIe->value.choice.RANfunctionID = ranFuncId;
+
+ /* Cause */
+ ricSubsFailIe = ricSubscriptionFailure->protocolIEs.list.array[elemIdx++];
+ ricSubsFailIe->id = ProtocolIE_IDE2_id_CauseE2;
+ ricSubsFailIe->criticality = CriticalityE2_reject;
+ ricSubsFailIe->value.present = RICsubscriptionFailure_IEs__value_PR_CauseE2;
+ fillE2Cause(&ricSubsFailIe->value.choice.CauseE2, failureCause);
+
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf, encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RIC Subscription Failure Message (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for RIC Subscription Failure Message \n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nINFO --> E2AP : Sending RIC Subscription Failure");
+
+ }
+ ret = ROK;
+ break;
+ }
+ FreeRicSubscriptionFailure(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Free the RicIndication Message
+ *
+ * @details
+ *
+ * Function : FreeRicIndication
+ *
+ * Functionality: Free the RicIndication Message
+ *
+ * @return void
+ *
+ *
+ ******************************************************************/
+void FreeRicIndication(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t idx = 0;
+ RICindication_t *ricIndicationMsg= NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ ricIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.RICindication;
+ if(ricIndicationMsg!= NULLP)
+ {
+ if(ricIndicationMsg->protocolIEs.list.array != NULLP)
+ {
+ for(idx=0; idx<ricIndicationMsg->protocolIEs.list.count; idx++)
+ {
+ if(ricIndicationMsg->protocolIEs.list.array[idx] != NULLP)
+ {
+ switch(ricIndicationMsg->protocolIEs.list.array[idx]->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ case ProtocolIE_IDE2_id_RICactionID:
+ case ProtocolIE_IDE2_id_RICindicationType:
+ break;
+
+ case ProtocolIE_IDE2_id_RICindicationHeader:
+ {
+ DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf,\
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size);
+ break;
+ }
+ case ProtocolIE_IDE2_id_RICindicationMessage:
+ {
+ DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf,\
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size);
+ break;
+ }
+ default:
+ break;
+ }
+ DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx],sizeof(RICindication_IEs_t));
+ }
+ }
+ DU_FREE(ricIndicationMsg->protocolIEs.list.array,ricIndicationMsg->protocolIEs.list.size);
+ }
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Free measurement record
+ *
+ * @details
+ *
+ * Function : freeMeasRecord
+ *
+ * Functionality: Free all measurement recorded for a measurement
+ * within an action in a RIC subscription
+ *
+ * @param Measurement data to be freed
+ * @return void
+ *
+ ******************************************************************/
+void freeMeasData(MeasurementData_t *measData)
+{
+ uint8_t measIdx = 0, measRecIdx = 0;
+ MeasurementRecord_t *measRecord = NULLP;
+
+ if(measData->list.array)
+ {
+ for(measIdx = 0; measIdx < measData->list.count; measIdx++)
+ {
+ if(measData->list.array[measIdx])
+ {
+ measRecord = &measData->list.array[measIdx]->measRecord;
+ if(measRecord->list.array)
+ {
+ for(measRecIdx = 0; measRecIdx < measRecord->list.count; measRecIdx++)
+ {
+ DU_FREE(measRecord->list.array[measRecIdx], sizeof(MeasurementRecordItem_t));
+ }
+ DU_FREE(measRecord->list.array, measRecord->list.size);
+ }
+ DU_FREE(measData->list.array[measIdx], sizeof(MeasurementDataItem_t));
+ }
+ }
+ DU_FREE(measData->list.array, measData->list.size);
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Fill measurement info list
+ *
+ * @details
+ *
+ * Function : freeMeasInfoList
+ *
+ * Functionality: Fills all measurement info within an action
+ * in a RIC subscription
+ *
+ * @param Measurement Info list to be freed
+ * @return void
+ *
+ ******************************************************************/
+void freeMeasInfoList(MeasurementInfoList_t *measInfoList)
+{
+ uint8_t measInfoIdx = 0;
+
+ if(measInfoList->list.array)
+ {
+ for(measInfoIdx = 0; measInfoIdx < measInfoList->list.count; measInfoIdx++)
+ {
+ if(measInfoList->list.array[measInfoIdx])
+ {
+ DU_FREE(measInfoList->list.array[measInfoIdx]->measType.choice.measName.buf, \
+ measInfoList->list.array[measInfoIdx]->measType.choice.measName.size);
+
+ DU_FREE(measInfoList->list.array[measInfoIdx], measInfoList->list.size);
+ }
+ }
+ DU_FREE(measInfoList->list.array, measInfoList->list.size);
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Free E2SM-KPM Indication Message
+ *
+ * @details
+ *
+ * Function : FreeE2smKpmIndicationMessage
+ *
+ * Functionality: Free E2SM-KPM Indication Message
+ *
+ * @param E2SM-KPM Indication message to be freed
+ * @return void
+ *
+ ******************************************************************/
+void FreeE2smKpmIndicationMessage(E2SM_KPM_IndicationMessage_t *e2smKpmIndMsg)
+{
+ E2SM_KPM_IndicationMessage_Format1_t *format1Msg = NULLP;
+
+ switch(e2smKpmIndMsg->indicationMessage_formats.present)
+ {
+ case E2SM_KPM_IndicationMessage__indicationMessage_formats_PR_indicationMessage_Format1:
+ {
+ if(e2smKpmIndMsg->indicationMessage_formats.choice.indicationMessage_Format1)
+ {
+ format1Msg = e2smKpmIndMsg->indicationMessage_formats.choice.indicationMessage_Format1;
+
+ /* Measurement Data */
+ freeMeasData(&format1Msg->measData);
+
+ /* Measurement Info List */
+ if(format1Msg->measInfoList)
+ {
+ freeMeasInfoList(format1Msg->measInfoList);
+ DU_FREE(format1Msg->measInfoList, sizeof(MeasurementInfoList_t));
+ }
+
+ /* Granularity Period */
+ DU_FREE(format1Msg->granulPeriod, sizeof(GranularityPeriod_t));
+
+ DU_FREE(format1Msg, sizeof(E2SM_KPM_IndicationMessage_Format1_t));
+ }
+ break;
+ }
+
+ case E2SM_KPM_IndicationMessage__indicationMessage_formats_PR_NOTHING:
+ case E2SM_KPM_IndicationMessage__indicationMessage_formats_PR_indicationMessage_Format2:
+ default:
+ break;
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Fill measurement record
+ *
+ * @details
+ *
+ * Function : fillMeasRecord
+ *
+ * Functionality: Fills all measurement value for a measurement
+ * within an action in a RIC subscription
+ *
+ * @param Measurement record to be filled
+ * Measurement database with measurement records
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillMeasRecord(MeasurementRecord_t *measRecord, MeasurementInfo *measInfoDb)
+{
+ uint8_t measRecIdx = 0;
+ CmLList *measValNode = NULLP;
+ double measVal = 0;
+
+ measRecord->list.count = measInfoDb->measuredValue.count;
+ measRecord->list.size = measRecord->list.count * sizeof(MeasurementRecordItem_t *);
+
+ DU_ALLOC(measRecord->list.array, measRecord->list.size);
+ if(!measRecord->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(measRecIdx = 0; measRecIdx < measRecord->list.count; measRecIdx++)
+ {
+ DU_ALLOC(measRecord->list.array[measRecIdx], sizeof(MeasurementRecordItem_t));
+ if(!measRecord->list.array[measRecIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+ }
+
+ measRecIdx = 0;
+ CM_LLIST_FIRST_NODE(&measInfoDb->measuredValue, measValNode);
+ while(measValNode)
+ {
+ measVal = *(double *)measValNode->node;
+ if(measVal == (int)measVal)
+ {
+ measRecord->list.array[measRecIdx]->present = MeasurementRecordItem_PR_integer;
+ measRecord->list.array[measRecIdx]->choice.integer = (int)measVal;
+ }
+ else
+ {
+ measRecord->list.array[measRecIdx]->present = MeasurementRecordItem_PR_real;
+ measRecord->list.array[measRecIdx]->choice.real = measVal;
+ }
+ measRecIdx++;
+
+ /* Once the measurement record is added to the message, delete it from DB */
+ cmLListDelFrm(&measInfoDb->measuredValue, measValNode);
+ DU_FREE(measValNode->node, sizeof(double));
+ DU_FREE(measValNode, sizeof(CmLList));
+
+ CM_LLIST_FIRST_NODE(&measInfoDb->measuredValue, measValNode);
+ measVal = 0;
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fills measuerement data
+ *
+ * @details
+ *
+ * Function : fillMeasData
+ *
+ * Functionality: Fill all measurement recorded for all measurements
+ * in an action in a RIC subscription
+ *
+ * @param Measurement data to be filled
+ * Measurement info list from an action DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillMeasData(MeasurementData_t *measData, CmLListCp *measInfoListDb)
+{
+ uint8_t measIdx = 0;
+ CmLList *measInfoNode = NULLP;
+ MeasurementInfo *measInfoDb = NULLP;
+ MeasurementRecord_t *measRecord = NULLP;
+
+ measData->list.count = measInfoListDb->count;
+ measData->list.size = measData->list.count * sizeof(MeasurementDataItem_t *);
+
+ DU_ALLOC(measData->list.array, measData->list.size);
+ if(!measData->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ measIdx = 0;
+ CM_LLIST_FIRST_NODE(measInfoListDb, measInfoNode);
+ while(measInfoNode)
+ {
+ measInfoDb = (MeasurementInfo *)measInfoNode->node;
+ if(measInfoDb)
+ {
+ DU_ALLOC(measData->list.array[measIdx], sizeof(MeasurementDataItem_t));
+ if(!measData->list.array[measIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ measRecord = &measData->list.array[measIdx]->measRecord;
+ if(fillMeasRecord(measRecord, measInfoDb) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill measurement record");
+ return RFAILED;
+ }
+ measIdx++;
+ }
+ measInfoNode = measInfoNode->next;
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fill all measurement info
+ *
+ * @details
+ *
+ * Function : fillMeasInfoList
+ *
+ * Functionality: Fills all measurement info belonging to an action
+ * in a RIC subscription
+ *
+ * @param Measurement Info list to be filled
+ * Measurement Info list from E2AP DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillMeasInfoList(MeasurementInfoList_t *measInfoList, CmLListCp *measInfoListDb)
+{
+ uint8_t measInfoIdx = 0;
+ CmLList *measInfoNode = NULLP;
+ MeasurementInfo *measInfoDb = NULLP;
+ MeasurementInfoItem_t *measInfoItem = NULLP;
+
+ measInfoList->list.count = measInfoListDb->count;
+ measInfoList->list.size = measInfoList->list.count * sizeof(MeasurementInfoItem_t *);
+
+ DU_ALLOC(measInfoList->list.array, measInfoList->list.size);
+ if(!measInfoList->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ measInfoIdx = 0;
+ CM_LLIST_FIRST_NODE(measInfoListDb, measInfoNode);
+ while(measInfoNode)
+ {
+ DU_ALLOC(measInfoList->list.array[measInfoIdx], sizeof(MeasurementInfoItem_t));
+ if(!measInfoList->list.array[measInfoIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ measInfoItem = measInfoList->list.array[measInfoIdx];
+ measInfoDb = (MeasurementInfo *)measInfoNode->node;
+ if(measInfoDb)
+ {
+ /* Measurement Type */
+ measInfoItem->measType.present = MeasurementType_PR_measName;
+ measInfoItem->measType.choice.measName.size = strlen(measInfoDb->measurementTypeName);
+
+ DU_ALLOC(measInfoItem->measType.choice.measName.buf, measInfoItem->measType.choice.measName.size);
+ if(!measInfoItem->measType.choice.measName.buf)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ memcpy(measInfoItem->measType.choice.measName.buf, measInfoDb->measurementTypeName,\
+ measInfoItem->measType.choice.measName.size);
+
+ measInfoIdx++;
+ }
+ measInfoNode = measInfoNode->next;
+ measInfoDb = NULLP;
+ }
+
+ return ROK;
+}
+
+ /*******************************************************************
+ *
+ * @brief Fill E2SM-KPM Indication Message Format 1
+ *
+ * @details
+ *
+ * Function : fillE2smKpmIndMsgFormat1
+ *
+ * Functionality: Fill E2SM-KPM Indication Message Format 1
+ *
+ * @param Format 1 Message to be filled
+ * Action Definition format 1 from E2AP DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillE2smKpmIndMsgFormat1(E2SM_KPM_IndicationMessage_Format1_t *format1Msg, ActionDefFormat1 *format1)
+{
+ /* Measurement Data */
+ if(fillMeasData(&format1Msg->measData, &format1->measurementInfoList) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill measurement data");
+ return RFAILED;
+ }
+
+ /* Measurement Information */
+ DU_ALLOC(format1Msg->measInfoList, sizeof(MeasurementInfoList_t));
+ if(!format1Msg->measInfoList)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ if(fillMeasInfoList(format1Msg->measInfoList, &format1->measurementInfoList) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill measurement information list");
+ return RFAILED;
+ }
+
+ /* Granularity Period */
+ DU_ALLOC(format1Msg->granulPeriod, sizeof(GranularityPeriod_t));
+ if(!format1Msg->granulPeriod)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+ *(format1Msg->granulPeriod) = format1->granularityPeriod;
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fill RIC Indication Message buffer
+ *
+ * @details
+ *
+ * Function : fillRicIndMsgBuf
+ *
+ * Functionality: Fill E2SM-KPM Indication Message
+ * Encode this message and copy to RIC Indication Message buffer
+ *
+ * @param RIC Indication Message buffer to be filled
+ * Source action info from E2AP DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillRicIndMsgBuf(RICindicationMessage_t *ricIndMsgBuf, ActionInfo *actionInfo)
+{
+ uint8_t ret = RFAILED;
+ bool failedInFormat = false;
+ E2SM_KPM_IndicationMessage_t e2smKpmIndMsg;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ memset(&e2smKpmIndMsg, 0, sizeof(E2SM_KPM_IndicationMessage_t));
+
+ while(true)
+ {
+ /* E2SM-KPM Indication message format type */
+ e2smKpmIndMsg.indicationMessage_formats.present = actionInfo->definition.formatType;
+ switch(e2smKpmIndMsg.indicationMessage_formats.present)
+ {
+ case E2SM_KPM_IndicationMessage__indicationMessage_formats_PR_indicationMessage_Format1:
+ {
+ /* E2SM-KPM Indication message format 1 */
+ DU_ALLOC(e2smKpmIndMsg.indicationMessage_formats.choice.indicationMessage_Format1, \
+ sizeof(E2SM_KPM_IndicationMessage_Format1_t));
+ if(!e2smKpmIndMsg.indicationMessage_formats.choice.indicationMessage_Format1)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ failedInFormat = true;
+ break;
+ }
+
+ if(fillE2smKpmIndMsgFormat1(e2smKpmIndMsg.indicationMessage_formats.choice.indicationMessage_Format1, \
+ &actionInfo->definition.choice.format1) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill E2SM-KPM Indication message format 1");
+ failedInFormat = true;
+ break;
+ }
+ break;
+ }
+
+ case E2SM_KPM_IndicationMessage__indicationMessage_formats_PR_NOTHING:
+ case E2SM_KPM_IndicationMessage__indicationMessage_formats_PR_indicationMessage_Format2:
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : fillRicIndMsgBuf: Only Format 1 supported");
+ failedInFormat = true;
+ break;
+ }
+ }
+
+ if(failedInFormat)
+ break;
+
+ /* Encode E2SM-KPM Indication Message */
+ xer_fprint(stdout, &asn_DEF_E2SM_KPM_IndicationMessage, &e2smKpmIndMsg);
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2SM_KPM_IndicationMessage, 0, &e2smKpmIndMsg, PrepFinalEncBuf, encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2SM-KPM Indication Message (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2SM-KPM Indication Message \n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+
+ /* Copy encoded string to RIC Indication Message buffer */
+ ricIndMsgBuf->size = encBufSize;
+ DU_ALLOC(ricIndMsgBuf->buf, ricIndMsgBuf->size);
+ if(!ricIndMsgBuf->buf)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ break;
+ }
+ memset(ricIndMsgBuf->buf, 0, ricIndMsgBuf->size);
+ memcpy(ricIndMsgBuf->buf, encBuf, encBufSize);
+
+ ret = ROK;
+ break;
+ }
+
+ /* Free E2SM-KPM Indication Message */
+ FreeE2smKpmIndicationMessage(&e2smKpmIndMsg);
+
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Free E2SM-KPM Indication Header
+ *
+ * @details
+ *
+ * Function : FreeE2smKpmIndicationHeader
+ *
+ * Functionality: Free E2SM-KPM Indication Header
+ *
+ * @param E2SM-KPM Indication Header to be free
+ * @return void
+ *
+ ******************************************************************/
+void FreeE2smKpmIndicationHeader(E2SM_KPM_IndicationHeader_t *e2smKpmIndHdr)
+{
+ E2SM_KPM_IndicationHeader_Format1_t *format1 = NULLP;
+
+ if(e2smKpmIndHdr)
+ {
+ switch(e2smKpmIndHdr->indicationHeader_formats.present)
+ {
+ case E2SM_KPM_IndicationHeader__indicationHeader_formats_PR_indicationHeader_Format1:
+ {
+ if(e2smKpmIndHdr->indicationHeader_formats.choice.indicationHeader_Format1)
+ {
+ format1 = e2smKpmIndHdr->indicationHeader_formats.choice.indicationHeader_Format1;
+
+ DU_FREE(format1->colletStartTime.buf, format1->colletStartTime.size);
+ DU_FREE(format1, sizeof(E2SM_KPM_IndicationHeader_Format1_t));
+ }
+ break;
+ }
+ case E2SM_KPM_IndicationHeader__indicationHeader_formats_PR_NOTHING:
+ default:
+ break;
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Fill RIC Indication Header buffer
+ *
+ * @details
+ *
+ * Function : fillRicIndHeader
+ *
+ * Functionality: Fill E2SM-KPM Indication Header
+ * Encode this message and copy to RIC Indication Header buffer
+ *
+ * @param RIC Indication Header buffer to be filled
+ * Source RIC subscription info from E2AP DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillRicIndHeader(RICindicationHeader_t *ricIndHdr, RicSubscription *ricSubsInfo)
+{
+ uint8_t ret = RFAILED;
+ uint8_t secBufIdx = 0, milliSecBufIdx = 0;
+ int8_t byteIdx = 0;
+ bool formatFailure = false;
+ RanFunction *ranFunc = NULLP;
+ ReportStartTime *startTime = NULLP;
+ E2SM_KPM_IndicationHeader_t e2smKpmIndHdr;
+ E2SM_KPM_IndicationHeader_Format1_t *format1 = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ while(true)
+ {
+ ranFunc = fetchRanFuncFromRanFuncId(ricSubsInfo->ranFuncId);
+ if(ranFunc == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : RAN Function ID [%d] not found", ricSubsInfo->ranFuncId);
+ break;
+ }
+
+ memset(&e2smKpmIndHdr, 0, sizeof(E2SM_KPM_IndicationHeader_t));
+
+ e2smKpmIndHdr.indicationHeader_formats.present = ranFunc->ricIndicationHeaderFormat;
+ switch(e2smKpmIndHdr.indicationHeader_formats.present)
+ {
+ case E2SM_KPM_IndicationHeader__indicationHeader_formats_PR_indicationHeader_Format1:
+ {
+ DU_ALLOC(e2smKpmIndHdr.indicationHeader_formats.choice.indicationHeader_Format1, \
+ sizeof(E2SM_KPM_IndicationHeader_Format1_t));
+ if(!e2smKpmIndHdr.indicationHeader_formats.choice.indicationHeader_Format1)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ formatFailure = true;
+ break;
+ }
+ format1 = e2smKpmIndHdr.indicationHeader_formats.choice.indicationHeader_Format1;
+
+ /* Fetch reporting period start time from DB */
+ switch(ricSubsInfo->eventTriggerDefinition.formatType)
+ {
+ case 1:
+ {
+ startTime = &ricSubsInfo->eventTriggerDefinition.choice.format1.startTime;
+ }
+ }
+
+ format1->colletStartTime.size = 8 * sizeof(uint8_t);
+ DU_ALLOC(format1->colletStartTime.buf, format1->colletStartTime.size);
+ if(!format1->colletStartTime.buf)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ formatFailure = true;
+ break;
+ }
+
+ /* As per O-RAN.WG3.E2SM-KPM-R003-v03.00, section 8.3.12 and
+ * RFC 5905, section 6 :
+ * Time stamp has a 64-bit format where first 32-bit is seconds
+ * and next 32-bit is fraction in picosecond-level.
+ * This fraction has been rounded in microseconds.
+ *
+ * Hence,
+ * Storing 32-bit seconds at MSB 0-3 and
+ * 32-bit milliseconds at next 4 bytes i.e. bytes 4-7
+ */
+ secBufIdx = 0;
+ milliSecBufIdx = 4;
+ for(byteIdx = 3; byteIdx >= 0; byteIdx--)
+ {
+ format1->colletStartTime.buf[secBufIdx++] = startTime->timeInSec >> (8*byteIdx);
+ format1->colletStartTime.buf[milliSecBufIdx++] = startTime->timeInMilliSec >> (8*byteIdx);
+ }
+ break;
+ }
+
+ case E2SM_KPM_IndicationHeader__indicationHeader_formats_PR_NOTHING:
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : Only E2SM-KPM Indication Header Format 1 supported");
+ formatFailure = true;
+ break;
+ }
+ }
+
+ if(formatFailure)
+ break;
+
+ /* Encode E2SM-KPM Indication Header */
+ xer_fprint(stdout, &asn_DEF_E2SM_KPM_IndicationHeader, &e2smKpmIndHdr);
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2SM_KPM_IndicationHeader, 0, &e2smKpmIndHdr, PrepFinalEncBuf, encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2SM-KPM Indication Header (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2SM-KPM Indication Header \n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+
+ /* Copy encoded string to RIC Indication Header buffer */
+ ricIndHdr->size = encBufSize;
+ DU_ALLOC(ricIndHdr->buf, ricIndHdr->size);
+ if(!ricIndHdr->buf)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ break;
+ }
+ memset(ricIndHdr->buf, 0, ricIndHdr->size);
+ memcpy(ricIndHdr->buf, encBuf, encBufSize);
+ ret = ROK;
+ break;
+ }
+
+ /* Free E2SM-KPM Indication Header */
+ FreeE2smKpmIndicationHeader(&e2smKpmIndHdr);
+
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * brief Fill the RIC Indication Message
+ *
+ * @details
+ *
+ * Function : fillRicIndication
+ *
+ * Functionality: Fills the RIC Indication Message
+ *
+ * @param RIC Indication Message to be filled
+ * RIC Subscription DB
+ * Action DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillRicIndication(RICindication_t *ricIndicationMsg, RicSubscription *ricSubscriptionInfo, ActionInfo *actionInfo)
+{
+ uint8_t elementCnt = 0, idx = 0;
+ uint8_t ret = ROK;
+
+ elementCnt = 6;
+
+ ricIndicationMsg->protocolIEs.list.count = elementCnt;
+ ricIndicationMsg->protocolIEs.list.size = elementCnt * sizeof(RICindication_IEs_t *);
+
+ /* Initialize the Ric Indication members */
+ DU_ALLOC(ricIndicationMsg->protocolIEs.list.array, ricIndicationMsg->protocolIEs.list.size);
+ if(ricIndicationMsg->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(idx=0; idx<elementCnt; idx++)
+ {
+ DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx], sizeof(RICindication_IEs_t));
+ if(ricIndicationMsg->protocolIEs.list.array[idx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation in [%s] at line [%d]", __func__, __LINE__);
+ return RFAILED;
+ }
+ }
+
+ /* RIC Request ID */
+ idx = 0;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = RICindication_IEs__value_PR_RICrequestID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricRequestorID = \
+ ricSubscriptionInfo->requestId.requestorId;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricInstanceID = \
+ ricSubscriptionInfo->requestId.instanceId;
+
+ /* RAN Function ID */
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = RICindication_IEs__value_PR_RANfunctionID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RANfunctionID = ricSubscriptionInfo->ranFuncId;
+
+ /* RIC Action ID */
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICactionID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = RICindication_IEs__value_PR_RICactionID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICactionID = actionInfo->actionId;
+
+ /* RIC Indication Type */
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationType;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = RICindication_IEs__value_PR_RICindicationType;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationType = actionInfo->type;
+
+ /* RIC Indication Header */
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationHeader;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = RICindication_IEs__value_PR_RICindicationHeader;
+ if(fillRicIndHeader(&ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader, \
+ ricSubscriptionInfo) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill RIC Indication header");
+ return RFAILED;
+ }
+
+ /* RIC Indication Message */
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationMessage;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = RICindication_IEs__value_PR_RICindicationMessage;
+ if(fillRicIndMsgBuf(&ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage, \
+ actionInfo) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill RIC Indication Message");
+ return RFAILED;
+ }
+
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send the RicIndication Message
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicIndication
+ *
+ * Functionality:Fills the RicIndication Message
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildAndSendRicIndication(RicSubscription *ricSubscriptionInfo, ActionInfo *actionInfo)
+{
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ RICindication_t *ricIndicationMsg = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ while(true)
+ {
+ DU_LOG("\nINFO --> E2AP : Building RIC Indication Message\n");
+
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICindication;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICindication;
+
+ ricIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.RICindication;
+
+ if(fillRicIndication(ricIndicationMsg, ricSubscriptionInfo, actionInfo) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill RIC Indication message");
+ break;
+ }
+
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
+ encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RIC Indication Message (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for RIC Indication Message \n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nINFO --> E2AP : Sending RIC Indication Message");
+
+ }
+ ret = ROK;
+ break;
+ }
+ FreeRicIndication(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief free e2 node component configuration req and rsp
+ *
+ * @details
+ *
+ * Function : freeE2NodeComponentConfiguration
+ *
+ * Functionality:
+ * - free e2 node component configuration req and rsp
+ *
+ * @params[in] E2nodeComponentConfiguration_t *e2nodeComponentConfiguration
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void freeE2NodeComponentConfiguration(E2nodeComponentConfiguration_t *e2nodeComponentConfiguration)
+{
+ /* Free E2 Node Component Request Part */
+ DU_FREE(e2nodeComponentConfiguration->e2nodeComponentRequestPart.buf, e2nodeComponentConfiguration->e2nodeComponentRequestPart.size);
+
+ /* Free E2 Node Component Response Part */
+ DU_FREE(e2nodeComponentConfiguration->e2nodeComponentResponsePart.buf, e2nodeComponentConfiguration->e2nodeComponentResponsePart.size);
+
+}
+
+/*******************************************************************
+ *
+ * @brief free e2 node component component identifier
+ *
+ * @details
+ *
+ * Function : freeE2NodeComponentIdentifier
+ *
+ * Functionality:
+ * - free e2 node component component identifier
+ *
+ * @params[in] E2nodeComponentID_t *componentID
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void freeE2NodeComponentIdentifier(E2nodeComponentID_t *componentID)
+{
+ if(componentID->choice.e2nodeComponentInterfaceTypeF1)
+ {
+ DU_FREE(componentID->choice.e2nodeComponentInterfaceTypeF1->gNB_DU_ID.buf, componentID->choice.e2nodeComponentInterfaceTypeF1->gNB_DU_ID.size);
+ DU_FREE(componentID->choice.e2nodeComponentInterfaceTypeF1, sizeof(E2nodeComponentInterfaceF1_t));
+ }
+
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2nodeConfigurationUpdate msg
+ *
+ * @details
+ *
+ * Function : FreeE2NodeConfigUpdate
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2nodeConfigurationUpdate
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void FreeE2NodeConfigUpdate(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0, e2NodeUpdateListIdx=0, e2NodeRemovalListIdx=0, e2NodeAddListIdx=0;
+ E2nodeConfigurationUpdate_t *e2NodeConfigUpdate =NULL;
+ E2nodeComponentConfigUpdate_List_t *e2NodeUpdateList =NULL;
+ E2nodeComponentConfigUpdate_ItemIEs_t *e2NodeUpdateItem =NULL;
+ E2nodeComponentConfigRemoval_List_t *e2NodeRemovalList =NULL;
+ E2nodeComponentConfigRemoval_ItemIEs_t *e2NodeRemovalItem =NULL;
+ E2nodeComponentConfigAddition_List_t *e2NodeAddList =NULL;
+ E2nodeComponentConfigAddition_ItemIEs_t *e2NodeAddItem =NULL;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ e2NodeConfigUpdate = &e2apMsg->choice.initiatingMessage->value.choice.E2nodeConfigurationUpdate;
+ if(e2NodeConfigUpdate->protocolIEs.list.array != NULLP)
+ {
+ for(arrIdx = 0; arrIdx < e2NodeConfigUpdate->protocolIEs.list.count; arrIdx++)
+ {
+ if(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx])
+ {
+
+ switch(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigAddition:
+ {
+ e2NodeAddList = &e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAddition_List;
+ if(e2NodeAddList->list.array)
+ {
+ for(e2NodeAddListIdx = 0; e2NodeAddListIdx< e2NodeAddList->list.count; e2NodeAddListIdx++)
+ {
+ e2NodeAddItem = (E2nodeComponentConfigAddition_ItemIEs_t *) e2NodeAddList->list.array[e2NodeAddListIdx];
+
+ freeE2NodeComponentConfiguration(&e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentConfiguration);
+ freeE2NodeComponentIdentifier(&e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentID);
+ DU_FREE(e2NodeAddItem, sizeof(E2nodeComponentConfigAddition_ItemIEs_t));
+ }
+ DU_FREE(e2NodeAddList->list.array, e2NodeAddList->list.size);
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigUpdate:
+ {
+ e2NodeUpdateList = &e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigUpdate_List;
+ if(e2NodeUpdateList->list.array)
+ {
+ for(e2NodeUpdateListIdx = 0; e2NodeUpdateListIdx< e2NodeUpdateList->list.count; e2NodeUpdateListIdx++)
+ {
+ e2NodeUpdateItem = (E2nodeComponentConfigUpdate_ItemIEs_t *) e2NodeUpdateList->list.array[e2NodeUpdateListIdx];
+
+ freeE2NodeComponentConfiguration(&e2NodeUpdateItem->value.choice.E2nodeComponentConfigUpdate_Item.e2nodeComponentConfiguration);
+ freeE2NodeComponentIdentifier(&e2NodeUpdateItem->value.choice.E2nodeComponentConfigUpdate_Item.e2nodeComponentID);
+ DU_FREE(e2NodeUpdateItem, sizeof(E2nodeComponentConfigUpdate_ItemIEs_t));
+ }
+ DU_FREE(e2NodeUpdateList->list.array, e2NodeUpdateList->list.size);
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigRemoval:
+ {
+ e2NodeRemovalList = &e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigRemoval_List;
+ if(e2NodeRemovalList->list.array)
+ {
+ for(e2NodeRemovalListIdx = 0; e2NodeRemovalListIdx< e2NodeRemovalList->list.count; e2NodeRemovalListIdx++)
+ {
+ e2NodeRemovalItem = (E2nodeComponentConfigRemoval_ItemIEs_t *) e2NodeRemovalList->list.array[e2NodeRemovalListIdx];
+
+ freeE2NodeComponentIdentifier(&e2NodeRemovalItem->value.choice.E2nodeComponentConfigRemoval_Item.e2nodeComponentID);
+ DU_FREE(e2NodeRemovalItem, sizeof(E2nodeComponentConfigRemoval_ItemIEs_t));
+ }
+ DU_FREE(e2NodeRemovalList->list.array, e2NodeRemovalList->list.size);
+ }
+ break;
+ }
+
+ default:
+ break;
+ }
+ DU_FREE(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx], sizeof(E2nodeConfigurationUpdate_IEs_t));
+ }
+ }
+ DU_FREE(e2NodeConfigUpdate->protocolIEs.list.array, e2NodeConfigUpdate->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 node config update msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2NodeConfigUpdate
+ *
+ * Functionality:
+ * - Buld and send the E2 node config update msg
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendE2NodeConfigUpdate(E2NodeConfigList *e2NodeList)
+{
+ uint8_t ret = RFAILED;
+ uint8_t arrIdx = 0,elementCnt = 0, transId=0;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+ E2nodeConfigurationUpdate_t *e2NodeConfigUpdate = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Node config update\n");
+ do
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_E2nodeConfigurationUpdate;
+ e2apMsg->choice.initiatingMessage->value.present = \
+ InitiatingMessageE2__value_PR_E2nodeConfigurationUpdate;
+ e2NodeConfigUpdate = &e2apMsg->choice.initiatingMessage->value.choice.E2nodeConfigurationUpdate;
+
+ elementCnt =1;
+ if(e2NodeList->addE2NodeCount)
+ elementCnt++;
+ if(e2NodeList->updateE2NodeCount)
+ elementCnt++;
+ if(e2NodeList->removeE2NodeCount)
+ elementCnt++;
+
+ e2NodeConfigUpdate->protocolIEs.list.count = elementCnt;
+ e2NodeConfigUpdate->protocolIEs.list.size = elementCnt * sizeof(E2nodeConfigurationUpdate_IEs_t*);
+ DU_ALLOC(e2NodeConfigUpdate->protocolIEs.list.array, e2NodeConfigUpdate->protocolIEs.list.size);
+ if(e2NodeConfigUpdate->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for e2NodeConfigUpdate failed");
+ break;
+ }
+
+ for(arrIdx =0; arrIdx<elementCnt; arrIdx++)
+ {
+ DU_ALLOC(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx], sizeof(E2nodeConfigurationUpdate_IEs_t));
+ if(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx] == NULLP)
+ {
+
+ DU_LOG("\nERROR --> E2AP : Memory allocation for e2NodeConfigUpdate failed");
+ break;
+ }
+ }
+
+ if(arrIdx<elementCnt)
+ break;
+
+ arrIdx = 0;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdate_IEs__value_PR_TransactionID;
+ transId = assignTransactionId();
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.choice.TransactionID = transId;
+
+ if(e2NodeList->addE2NodeCount)
+ {
+ arrIdx++;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_E2nodeComponentConfigAddition;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdate_IEs__value_PR_E2nodeComponentConfigAddition_List;
+ if(BuildE2NodeConfigAddList(&(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAddition_List),\
+ ProcedureCodeE2_id_E2nodeConfigurationUpdate, e2NodeList->addE2NodeCount, e2NodeList->addE2Node)!=ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to create E2 Node config list");
+ break;
+ }
+ }
+
+ if(e2NodeList->updateE2NodeCount)
+ {
+ arrIdx++;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_E2nodeComponentConfigUpdate;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdate_IEs__value_PR_E2nodeComponentConfigUpdate_List;
+ if(BuildE2NodeConfigUpdateList(&e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigUpdate_List,\
+ e2NodeList->updateE2NodeCount, e2NodeList->updateE2Node) != ROK)
+ {
+
+ DU_LOG("\nERROR --> E2AP : Failed to update the E2 node configuration");
+ break;
+ }
+ }
+
+ if(e2NodeList->removeE2NodeCount)
+ {
+ arrIdx++;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_E2nodeComponentConfigRemoval;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdate_IEs__value_PR_E2nodeComponentConfigRemoval_List;
+ if(BuildE2NodeConfigRemoveList(&e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigRemoval_List,\
+ e2NodeList->removeE2NodeCount, e2NodeList->removeE2Node) != ROK)
+ {
+
+ DU_LOG("\nERROR --> E2AP : Failed to remove the E2 node configuration");
+ break;
+ }
+ }
+
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf, encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2nodeConfigurationUpdate structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2nodeConfigurationUpdate\n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize))
+ {
+ DU_LOG("\nERROR --> E2AP : Sending E2 node config update failed");
+ break;
+ }
+
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+ memcpy(&duCb.e2apDb.e2TimersInfo.e2Timers.e2NodeConfigUpdate.configList, e2NodeList, sizeof(E2NodeConfigList));
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2NodeConfigUpdate(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2ResetRequest msg
+ *
+ * @details
+ *
+ * Function : FreeE2ResetRequest
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2ResetRequest
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeE2ResetRequest(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ ResetRequestE2_t *resetReq = NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ resetReq = &e2apMsg->choice.initiatingMessage->value.choice.ResetRequestE2;
+ if(resetReq->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < resetReq->protocolIEs.list.count; ieIdx++)
+ {
+ DU_FREE(resetReq->protocolIEs.list.array[ieIdx], sizeof(ResetRequestIEs_t));
+ }
+ DU_FREE(resetReq->protocolIEs.list.array, resetReq->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Build and send the E2 reset request msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2ResetRequest
+ *
+ * Functionality:
+ * - Buld and send the E2 reset request msg to RIC
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendE2ResetRequest(E2FailureCause resetCause)
+{
+ uint8_t ieIdx = 0, elementCnt = 0, transId = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ ResetRequestE2_t *resetReq = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Reset Request\n");
+
+ do
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendE2ResetRequest(): Memory allocation for E2AP-PDU failed");
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendE2ResetRequest(): Memory allocation for initiatingMessage");
+ break;
+ }
+
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_Reset;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_ResetRequestE2;
+ resetReq = &e2apMsg->choice.initiatingMessage->value.choice.ResetRequestE2;
+
+ elementCnt = 2;
+ resetReq->protocolIEs.list.count = elementCnt;
+ resetReq->protocolIEs.list.size = elementCnt * sizeof(ResetRequestIEs_t *);
+
+ DU_ALLOC(resetReq->protocolIEs.list.array, resetReq->protocolIEs.list.size);
+ if(!resetReq->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendE2ResetRequest(): Memory allocation failed for \
+ Reset Request IE array");
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ DU_ALLOC(resetReq->protocolIEs.list.array[ieIdx], sizeof(ResetRequestIEs_t));
+ if(!resetReq->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendE2ResetRequest(): Memory allocation failed for \
+ Reset Request IE array element");
+ break;
+ }
+ }
+
+ /* In case of failure */
+ if(ieIdx < elementCnt)
+ break;
+
+ ieIdx = 0;
+ resetReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ resetReq->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ resetReq->protocolIEs.list.array[ieIdx]->value.present = ResetRequestIEs__value_PR_TransactionID;
+ transId = assignTransactionId();
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ ieIdx++;
+ resetReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_CauseE2;
+ resetReq->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_ignore;
+ resetReq->protocolIEs.list.array[ieIdx]->value.present = ResetRequestIEs__value_PR_CauseE2;
+ fillE2Cause(&resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2, resetCause);
+
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
+ encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2SetupRequest structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2SetupRequest\n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Sending E2 Setup request failed");
+ break;
+ }
+
+ /* In case the message is sent successfully, store the transaction info to
+ * be used when response is received */
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ /* Free all memory */
+ FreeE2ResetRequest(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for Reset Response msg
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfE2ResetRsp
+ *
+ * Functionality:
+ * - freeing the memory allocated for Reset response
+ *
+ * @params[in] ResetResponseE2_t *resetResponse
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfE2ResetRsp(ResetResponseE2_t *resetResponse)
+{
+ uint8_t ieIdx;
+
+ if(resetResponse)
+ {
+ if(resetResponse->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx < resetResponse->protocolIEs.list.count; ieIdx++)
+ {
+ if(resetResponse->protocolIEs.list.array[ieIdx])
+ {
+ switch(resetResponse->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_CriticalityDiagnosticsE2:
+ break;
+ }
+ free(resetResponse->protocolIEs.list.array[ieIdx]);
+ }
+ }
+ free(resetResponse->protocolIEs.list.array);
+ }
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Processes E2 Reset Response sent by RIC
+ *
+ * @details
+ *
+ * Function : procResetResponse
+ *
+ * Functionality: Processes E2 Reset Response sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t procResetResponse(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0, transId;
+ ResetResponseE2_t *resetResponse;
+
+ DU_LOG("\nINFO --> E2AP : E2 Reset Response received");
+ resetResponse = &e2apMsg->choice.successfulOutcome->value.choice.ResetResponseE2;;
+
+ for(ieIdx=0; ieIdx < resetResponse->protocolIEs.list.count; ieIdx++)
+ {
+ switch(resetResponse->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ transId = resetResponse->protocolIEs.list.array[ieIdx]->value.choice.TransactionID;
+ if((duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId == transId) && \
+ (duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode == e2apMsg->choice.successfulOutcome->procedureCode))
+ {
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
+ return RFAILED;
+ }
+ break;
+ case ProtocolIE_IDE2_id_CriticalityDiagnosticsE2:
+ /* As per ORAN WG3 E2AP spec v3.0, section 9.2.2
+ Criticality Diagnostics IE is sent by Near-RT RIC when parts of a received message i.e.
+ Reset Request in this case, have not been comprehended or were missing, or if the message
+ contained logical errors.
+
+ Processing of this ID should be implemented when negative call flows are to be supported.
+ */
+ break;
+ default:
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in E2 Reset Response : %ld",
+ resetResponse->protocolIEs.list.array[ieIdx]->id);
+ break;
+ }
+ }
+
+ freeAperDecodingOfE2ResetRsp(resetResponse);
+ return ROK;
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder for e2 setup Failure
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfE2SetupFailure
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder for e2
+ * setup Failure
+ *
+ * @params[in] E2setupFailure_t *e2SetupFailure;
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfE2SetupFailure(E2setupFailure_t *e2SetupFailure)
+{
+ uint8_t arrIdx;
+
+ if(e2SetupFailure)
+ {
+ if(e2SetupFailure->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<e2SetupFailure->protocolIEs.list.count; arrIdx++)
+ {
+ if(e2SetupFailure->protocolIEs.list.array[arrIdx])
+ {
+ free(e2SetupFailure->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(e2SetupFailure->protocolIEs.list.array);
+ }
+ }
+}
+/******************************************************************
+ *
+ * @brief Processes E2 Setup Failure sent by RIC
+ *
+ * @details
+ *
+ * Function : procE2SetupFailure
+ *
+ * Functionality: Processes E2 Setup failure sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void procE2SetupFailure(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0, transId =0, timerValue=0;
+ E2setupFailure_t *e2SetupFailure;
+
+ DU_LOG("\nINFO --> E2AP : E2 Setup failure received");
+ e2SetupFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2setupFailure;
+
+ for(arrIdx=0; arrIdx<e2SetupFailure->protocolIEs.list.count; arrIdx++)
+ {
+ switch(e2SetupFailure->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = e2SetupFailure->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+ if((duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId == transId) &&\
+ (duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode == e2apMsg->choice.unsuccessfulOutcome->procedureCode))
+ {
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
+ return ;
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_TimeToWaitE2:
+ {
+ timerValue = convertE2WaitTimerEnumToValue(e2SetupFailure->protocolIEs.list.array[arrIdx]->value.choice.TimeToWaitE2);
+ if((duChkTmr((PTR)&(duCb.e2apDb.e2TimersInfo.e2Timers.e2SetupTimer), EVENT_E2_SETUP_TMR)) == FALSE)
+ {
+ duStartTmr((PTR)&(duCb.e2apDb.e2TimersInfo.e2Timers.e2SetupTimer), EVENT_E2_SETUP_TMR, timerValue);
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : EVENT_E2_SETUP_TMR timer is already running");
+ return;
+ }
+ break;
+ }