+ }
+ free(measItem);
+ }
+ }
+ free(actionFormat1->measInfoList.list.array);
+ }
+ free(actionFormat1);
+ }
+ break;
+ }
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format2:
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format3:
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format4:
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format5:
+ default:
+ break;
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Extract Measurement Info list from action definition
+ *
+ * @details
+ *
+ * Function : extractMeasInfoList
+ *
+ * Functionality : This function :
+ * - Traverses Measurement-to-be-subscribed list
+ * - Validates that each measurement in Measurement-to-be-subscribed
+ * list is supported in RAN-Function->Measurement-supported list.
+ * - If all measurements in an action is supported by RAN function,
+ * it is added to measurement-subscribed list in local DB
+ *
+ * @params[in] Measurement Info supported list by RAN function
+ * Measurement Info to be subscribed as requested by RIC
+ * Measurement Info finally subscribed
+ * Memory failure indicator
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t extractMeasInfoList(CmLListCp *measInfoSupportedList, MeasurementInfoList_t *measInfoToBeSubscribedList, \
+ CmLListCp *measInfoSubscribedList, bool *memFailure)
+{
+ uint8_t elementIdx = 0;
+ MeasurementInfoForAction *measInfoSupportedDb = NULLP;
+ MeasurementInfo *measInfoSubscribedDb = NULLP;
+ CmLList *supportedMeasNode = NULLP, *measToAddNode = NULLP;
+ MeasurementInfoItem_t *measItem = NULLP;
+
+ /* Validate Measurement list is supported by E2 node.
+ *
+ * Traverse and compare the Measurement-Supported List in E2
+ * node with Measurement-to-be-subscribed list received from RIC.
+ * If a match is found, add it to measurement-subscription list.
+ */
+ for(elementIdx = 0; elementIdx < measInfoToBeSubscribedList->list.count; elementIdx++)
+ {
+ measInfoSubscribedDb = NULLP;
+ measToAddNode = NULLP;
+ measItem = measInfoToBeSubscribedList->list.array[elementIdx];
+
+ CM_LLIST_FIRST_NODE(measInfoSupportedList, supportedMeasNode);
+ while(supportedMeasNode)
+ {
+ measInfoSupportedDb = (MeasurementInfoForAction*)supportedMeasNode->node;
+ switch(measItem->measType.present)
+ {
+ case MeasurementType_PR_measName:
+ {
+ if(!strcmp(measInfoSupportedDb->measurementTypeName, (char *)measItem->measType.choice.measName.buf))
+ {
+ DU_ALLOC(measInfoSubscribedDb, sizeof(MeasurementInfo));
+ }
+ break;
+ }
+
+ case MeasurementType_PR_measID:
+ {
+ if(measInfoSupportedDb->measurementTypeId == measItem->measType.choice.measID)
+ {
+ DU_ALLOC(measInfoSubscribedDb, sizeof(MeasurementInfo));
+ }
+ break;
+ }
+
+ default:
+ {
+ DU_LOG("\nERROR -> DUAPP: Invalid Measurement-type identifier in \
+ E2SM-KPM Action Definition Format");
+ break;
+ }
+ } /* End of switch, for measurement type identifier */
+
+ /* If measurement type is supported, add to measurement-subscription list */
+ if(measInfoSubscribedDb)
+ {
+ measInfoSubscribedDb->measurementTypeId = measInfoSupportedDb->measurementTypeId;
+ memcpy(measInfoSubscribedDb->measurementTypeName, measInfoSupportedDb->measurementTypeName, \
+ strlen(measInfoSupportedDb->measurementTypeName));
+
+ DU_ALLOC(measToAddNode, sizeof(CmLList));
+ if(measToAddNode)
+ {
+ measToAddNode->node = (PTR) measInfoSubscribedDb;
+ cmLListAdd2Tail(measInfoSubscribedList, measToAddNode);
+
+ /* 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)
+ {
+ deleteMeasurementInfoList(measInfoSubscribedList);
+ 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 add RIC Subs action info
+ *
+ * @details
+ *
+ * Function : addRicSubsAction
+ *
+ * Functionality: add Ric Subs action info
+ *
+ * @parameter
+ * RAN function DB
+ * Pointer to Ric Subc info
+ * Action Sequence list
+ * Procedure Code
+ * E2 Failure Cause
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+CmLList *addRicSubsAction(RanFunction *ranFuncDb, PTR ricSubsInfo, CmLListCp *actionSequence, uint8_t procedureCode, E2FailureCause *failureCause)
+{
+ CmLList *actionNode = NULLP;
+ ActionInfo *actionDb = NULLP;
+ RICactionID_t ricActionID;
+ RICactionType_t ricActionType;
+ RICactionDefinition_t *ricActionDefinition= NULLP;
+ RICaction_ToBeSetup_Item_t *setupItem= NULLP;
+ RICaction_ToBeAddedForModification_Item_t *addIem= NULLP;
+ RICaction_ToBeModifiedForModification_Item_t *modifiedItem= NULLP;
+
+ switch(procedureCode)
+ {
+ case ProtocolIE_IDE2_id_RICaction_ToBeSetup_Item:
+ {
+ setupItem = (RICaction_ToBeSetup_Item_t *)ricSubsInfo;
+ ricActionID= setupItem->ricActionID;
+ ricActionType= setupItem->ricActionType;
+ if(setupItem->ricActionDefinition)
+ {
+ ricActionDefinition = setupItem->ricActionDefinition;
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_RICaction_ToBeAddedForModification_Item:
+ {
+ addIem = (RICaction_ToBeAddedForModification_Item_t*) ricSubsInfo;
+ ricActionID= addIem->ricActionID;
+ ricActionType= addIem->ricActionType;
+ ricActionDefinition = &addIem->ricActionDefinition;
+
+ break;
+ }
+ case ProtocolIE_IDE2_id_RICaction_ToBeModifiedForModification_Item:
+ {
+ modifiedItem= (RICaction_ToBeModifiedForModification_Item_t*)ricSubsInfo;
+ ricActionID= modifiedItem->ricActionID;
+ /* Added since ricActionType IE is not present in case of
+ * modification */
+ ricActionType = RICactionType_report;
+ if(modifiedItem->ricActionDefinition)
+ {
+ ricActionDefinition = modifiedItem->ricActionDefinition;
+ }
+ break;
+ }
+ }
+
+
+ DU_ALLOC(actionDb, sizeof(ActionInfo));
+ if(actionDb==NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at %d",__func__,__LINE__);
+ return NULLP;
+ }
+ if(ricActionType== RICactionType_report)
+ {
+ actionDb->actionId = ricActionID;
+ actionDb->type = REPORT;
+
+ if(extractRicActionDef(ranFuncDb, &actionDb->definition, ricActionDefinition, failureCause) == ROK)
+ {
+ actionDb->action = CONFIG_ADD;
+ }
+
+ DU_ALLOC(actionNode, sizeof(CmLList));
+ if(actionNode)
+ {
+ actionNode->node = (PTR) actionDb;
+ cmLListAdd2Tail(actionSequence, actionNode);
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at %d",__func__,__LINE__);
+ DU_FREE(actionDb, sizeof(ActionInfo));
+ return NULLP;
+ }
+ }
+ return actionNode;
+
+}
+/*******************************************************************
+ *
+ * @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)
+{
+ CmLList *actionNode = NULLP;
+ 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 */
+ actionNode = addRicSubsAction(ranFuncDb, (PTR)&actionItem->value.choice.RICaction_ToBeSetup_Item,\
+ &ricSubscriptionInfo->actionSequence, ProtocolIE_IDE2_id_RICaction_ToBeSetup_Item, failureCause);
+
+ if(!actionNode)
+ {
+ /* In case of any failure, action is rejected
+ * Added to rejected-action-list in subscription response */
+ subsRsp->rejectedActionList[subsRsp->numOfRejectedActions].id = ricActionId;
+ if(failureCause->causeType == E2_NOTHING)
+ {
+ failureCause->causeType = E2_RIC_REQUEST;
+ failureCause->cause = E2_CONTROL_FAILED_TO_EXECUTE;
+ }
+ 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->actionSequence.count)
+ 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;
+ 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;
+
+ 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);
+ ricSubscriptionInfo->action = CONFIG_ADD;
+
+ /* Add RAN subcription detail to RAN function */
+ DU_ALLOC(ricSubscriptionNode, sizeof(CmLList));
+ if(ricSubscriptionNode)
+ {
+ ricSubscriptionNode->node = (PTR) ricSubscriptionInfo;
+ cmLListAdd2Tail(&ranFuncDb->subscriptionList, ricSubscriptionNode);
+ }
+
+ ranFuncDb->numPendingSubsRsp++;
+
+ /* Send statistics request to other DU entities */
+ BuildAndSendStatsReq(ricSubscriptionInfo);
+ }
+ 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++;
+ measValNode= measValNode->next;
+ /* Once the measurement record is added to the message, delete it from DB */
+ measVal = 0;
+ }
+ deleteMeasuredValueList(&measInfoDb->measuredValue);
+ 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;
+ uint16_t 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]
+ * Reset cause
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendE2ResetRequest(E2FailureCause resetCause)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint16_t 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 reset request structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for reset request\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 void
+ *
+ * ****************************************************************/
+void procResetResponse(E2AP_PDU_t *e2apMsg)
+{
+ bool invalidTransId=false;
+ uint8_t ieIdx =0;
+ uint16_t transId =0;
+ uint16_t ranFuncIdx=0;
+ ResetResponseE2_t *resetResponse =NULLP;
+
+ 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);
+ invalidTransId = true;
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_CriticalityDiagnosticsE2:
+ {
+ for(ranFuncIdx=0; ranFuncIdx<MAX_RAN_FUNCTION; ranFuncIdx++)
+ {
+ if(duCb.e2apDb.ranFunction[ranFuncIdx].id >0)
+ {
+ deleteRicSubscriptionList(&(duCb.e2apDb.ranFunction[ranFuncIdx].subscriptionList));
+ memset(&(duCb.e2apDb.ranFunction[ranFuncIdx].pendingSubsRspInfo), 0, MAX_PENDING_SUBSCRIPTION_RSP*sizeof(PendingSubsRspInfo));
+ }
+ }
+ break;
+ }
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in E2 Reset Response : %ld",
+ resetResponse->protocolIEs.list.array[ieIdx]->id);
+ break;
+ }
+ }
+
+ if(invalidTransId == true)
+ {
+ break;
+ }
+ }
+
+ freeAperDecodingOfE2ResetRsp(resetResponse);
+}
+
+/******************************************************************
+ *
+ * @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)
+{
+ uint16_t transId =0;
+ uint8_t arrIdx =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;
+ }
+ }
+ }
+
+ freeAperDecodingOfE2SetupFailure(e2SetupFailure);
+}
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder for RIC service Query
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicServiceQuery
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder for RIC
+ * service Query
+ *
+ * @params[in] RICserviceQuery_t *ricServiceQuery;
+ * @return void
+ *
+ * ****************************************************************/
+
+void freeAperDecodingOfRicServiceQuery(RICserviceQuery_t *ricServiceQuery)
+{
+ uint8_t arrIdx,ranFuncIdx;
+ RANfunctionsID_List_t *ranFuncAddedList;
+
+ if(ricServiceQuery)
+ {
+ if(ricServiceQuery->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<ricServiceQuery->protocolIEs.list.count; arrIdx++)
+ {
+ if(ricServiceQuery->protocolIEs.list.array[arrIdx])
+ {
+ switch(ricServiceQuery->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_RANfunctionsAccepted:
+ {
+ ranFuncAddedList= &ricServiceQuery->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List;
+ if(ranFuncAddedList->list.array)
+ {
+ for(ranFuncIdx=0;ranFuncIdx<ranFuncAddedList->list.count; ranFuncIdx++)
+ {
+ free(ranFuncAddedList->list.array[ranFuncIdx]);
+ }
+ free(ranFuncAddedList->list.array);;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ free(ricServiceQuery->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(ricServiceQuery->protocolIEs.list.array);
+ }
+ }
+}
+/*******************************************************************
+ *
+ * @brief Build RanFunction Delete List
+ *
+ * @details
+ *
+ * Function : BuildRanFunctionDeleteList
+ *
+ * Functionality: Build RanFunction Delete List
+ *
+ * @params[in]
+ * RANfunctionsID List
+ * Count of the RAN function
+ * Received RAN function list
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildRanFunctionDeleteList(RANfunctionsID_List_t *deleteList, uint8_t count, RanFuncInfo *recvdRanFunc)
+{
+ uint8_t ranFuncIdx=0;
+ RANfunctionID_ItemIEs_t *delRanFuncItem;
+
+ if(count)
+ {
+ deleteList->list.count = count;
+ deleteList->list.size = deleteList->list.count * sizeof(RANfunctionID_ItemIEs_t*);
+ DU_ALLOC(deleteList->list.array, deleteList->list.size);
+ if(deleteList->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed in %s at %d",__func__, __LINE__);
+ return RFAILED;
+ }
+ for(ranFuncIdx = 0; ranFuncIdx< deleteList->list.count; ranFuncIdx++)
+ {
+ DU_ALLOC(deleteList->list.array[ranFuncIdx], sizeof(RANfunctionID_ItemIEs_t));
+ if(deleteList->list.array[ranFuncIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed in %s at %d",__func__, __LINE__);
+ return RFAILED;
+ }
+ delRanFuncItem= (RANfunctionID_ItemIEs_t *) deleteList->list.array[ranFuncIdx];
+ delRanFuncItem->id = ProtocolIE_IDE2_id_RANfunctionID_Item;
+ delRanFuncItem->criticality = CriticalityE2_ignore;
+ delRanFuncItem->value.choice.RANfunctionID_Item.ranFunctionID = recvdRanFunc[ranFuncIdx].id;
+ delRanFuncItem->value.choice.RANfunctionID_Item.ranFunctionRevision = recvdRanFunc[ranFuncIdx].revisionCounter;
+
+ }
+ }
+ return ROK;
+}
+/*******************************************************************
+ *
+ * @brief De Allocate Ric Service Update message
+ *
+ * @details
+ *
+ * Function : FreeRicServiceUpdate
+ *
+ * Functionality: De-Allocating Ric Service Update message
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+
+ * @return void
+ *
+ * ****************************************************************/
+
+void FreeRicServiceUpdate(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx = 0;
+ uint8_t ranFuncAddListIdx=0, ranFuncDelIdx=0;
+ RICserviceUpdate_t *ricServiceUpdate;
+ RANfunctions_List_t *ranFunctionsList;
+ RANfunction_ItemIEs_t *ranFuncItemIe;
+ RANfunction_Item_t *ranFunItem;
+ RANfunctionsID_List_t *deleteList;
+
+ /* De-allocating Memory */
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ ricServiceUpdate = &e2apMsg->choice.initiatingMessage->value.choice.RICserviceUpdate;
+ if(ricServiceUpdate->protocolIEs.list.array != NULLP)
+ {
+ for(arrIdx = 0; arrIdx < ricServiceUpdate->protocolIEs.list.count; arrIdx++)
+ {
+ if(ricServiceUpdate->protocolIEs.list.array[arrIdx] != NULLP)
+ {
+ switch(ricServiceUpdate->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_RANfunctionsAdded:
+ case ProtocolIE_IDE2_id_RANfunctionsModified:
+ {
+ ranFunctionsList = &(ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List);
+ if(ranFunctionsList->list.array)
+ {
+ for(ranFuncAddListIdx= 0; ranFuncAddListIdx< ranFunctionsList->list.count; ranFuncAddListIdx++)
+ {
+ if(ranFunctionsList->list.array[ranFuncAddListIdx])
+ {
+ ranFuncItemIe = (RANfunction_ItemIEs_t *) ranFunctionsList->list.array[ranFuncAddListIdx];
+ ranFunItem = &ranFuncItemIe->value.choice.RANfunction_Item;
+ DU_FREE(ranFunItem->ranFunctionOID.buf, ranFunItem->ranFunctionOID.size);
+ DU_FREE(ranFunItem->ranFunctionDefinition.buf, ranFunItem->ranFunctionDefinition.size);
+ DU_FREE(ranFunctionsList->list.array[ranFuncAddListIdx], sizeof(RANfunction_ItemIEs_t));
+ }
+ }
+ DU_FREE(ranFunctionsList->list.array, ranFunctionsList->list.size);
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_RANfunctionsDeleted:
+ {
+ deleteList= &ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List;
+ if(deleteList->list.array)
+ {
+ for(ranFuncDelIdx = 0; ranFuncDelIdx< deleteList->list.count; ranFuncDelIdx++)
+ {
+ DU_FREE(deleteList->list.array[ranFuncDelIdx], sizeof(RANfunctionID_ItemIEs_t));
+ }
+ DU_FREE(deleteList->list.array, deleteList->list.size);
+
+ }
+ break;
+ }
+ default:
+ DU_LOG("\nERROR --> E2AP: Invalid event at ricServiceUpdate %ld ",\
+ (ricServiceUpdate->protocolIEs.list.array[arrIdx]->id));
+ break;
+ }
+ DU_FREE(ricServiceUpdate->protocolIEs.list.array[arrIdx], sizeof(RICserviceUpdate_IEs_t));
+ }
+ }
+ DU_FREE(ricServiceUpdate->protocolIEs.list.array, ricServiceUpdate->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send the RicServiceUpdateuest
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicServiceUpdate
+ *
+ * Functionality:Fills the RicServiceUpdateuest
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildAndSendRicServiceUpdate(RicServiceUpdate serviceUpdate)
+{
+ uint16_t transId = 0;
+ bool memAllocFailed =false;
+ uint8_t arrIdx = 0, elementCnt=0,ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ RICserviceUpdate_t *ricServiceUpdate = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building Ric Service 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_RICserviceUpdate;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICserviceUpdate;
+ ricServiceUpdate = &e2apMsg->choice.initiatingMessage->value.choice.RICserviceUpdate;
+
+ /* For TransId IE, set elementCnt to 1.
+ If there is any item in the RAN function add list, RAN function modification list, or RAN function delete list, increment the elementCnt.*/
+
+ elementCnt =1;
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded)
+ elementCnt++;
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeModified)
+ elementCnt++;
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeDeleted)
+ elementCnt++;
+
+ ricServiceUpdate->protocolIEs.list.count = elementCnt;
+ ricServiceUpdate->protocolIEs.list.size = elementCnt * sizeof(RICserviceUpdate_IEs_t*);
+
+ /* Initialize the E2Setup members */
+ DU_ALLOC(ricServiceUpdate->protocolIEs.list.array, ricServiceUpdate->protocolIEs.list.size);
+ if(ricServiceUpdate->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for array elements");
+ break;
+ }
+
+ for(arrIdx = 0; arrIdx < elementCnt; (arrIdx)++)
+ {
+ DU_ALLOC(ricServiceUpdate->protocolIEs.list.array[arrIdx], sizeof(RICserviceUpdate_IEs_t));
+ if(ricServiceUpdate->protocolIEs.list.array[arrIdx] == NULLP)
+ {
+ memAllocFailed = true;
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for arrayIdx [%d]", arrIdx);
+ break;
+ }
+ }
+ if(memAllocFailed == true)
+ break;
+
+ arrIdx = 0;
+
+ /* TransactionID */
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.present = E2setupRequestIEs__value_PR_TransactionID;
+ if(serviceUpdate.dir == E2_NODE_INITIATED)
+ transId = assignTransactionId();
+ else
+ transId = serviceUpdate.transId;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.TransactionID = transId;
+
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded)
+ {
+ arrIdx++;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionsAdded;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.present = RICserviceUpdate_IEs__value_PR_RANfunctions_List;
+ if(BuildRanFunctionAddList(&ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List,\
+ e2apMsg->choice.initiatingMessage->procedureCode, serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded, serviceUpdate.recvRanFuncList.ranFunToBeAdded) !=ROK)
+ {
+ break;
+ }
+ }
+
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeModified)
+ {
+ arrIdx++;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionsModified;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.present = RICserviceUpdate_IEs__value_PR_RANfunctions_List;
+ if(BuildRanFunctionAddList(&ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List,
+ e2apMsg->choice.initiatingMessage->procedureCode, serviceUpdate.recvRanFuncList.numOfRanFunToBeModified, serviceUpdate.recvRanFuncList.ranFunToBeModified) !=ROK)
+ {
+ break;
+ }
+ }
+
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeDeleted)
+ {
+ arrIdx++;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionsDeleted;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.present = RICserviceUpdate_IEs__value_PR_RANfunctionsID_List;
+ if(BuildRanFunctionDeleteList(&ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List,\
+ serviceUpdate.recvRanFuncList.numOfRanFunToBeDeleted, serviceUpdate.recvRanFuncList.ranFunToBeDeleted) != ROK)
+ {
+ 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 RicServiceUpdateuest structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for RicServiceUpdateuest\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;
+ }
+ ret = ROK;
+ break;
+ }while(true);
+
+ if(ret == ROK)
+ {
+ if(serviceUpdate.dir == E2_NODE_INITIATED)
+ {
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+ }
+ else
+ {
+ duCb.e2apDb.e2TransInfo.ricInitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.ricInitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+ }
+ duCb.e2apDb.e2TimersInfo.e2Timers.ricServiceUpdateTimer.ricService.dir = serviceUpdate.dir;
+ duCb.e2apDb.e2TimersInfo.e2Timers.ricServiceUpdateTimer.ricService.transId =transId;
+ memcpy(&duCb.e2apDb.e2TimersInfo.e2Timers.ricServiceUpdateTimer.ricService.recvRanFuncList, &serviceUpdate.recvRanFuncList, sizeof(E2TmpRanFunList));
+ }
+ FreeRicServiceUpdate(e2apMsg);
+ return ret;
+}
+/******************************************************************
+ *
+ * @brief Processes RIC service Query sent by RIC
+ *
+ * @details
+ *
+ * Function : procRicServiceQuery
+ *
+ * Functionality: Processes RIC service Query sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void procRicServiceQuery(E2AP_PDU_t *e2apMsg)
+{
+ ConfigType action;
+ uint16_t arrIdx =0, ranFuncIdx=0,tmpIdx=0;
+ uint16_t id,revisionCcounter;
+ bool tmpArray[MAX_RAN_FUNCTION] = {false};
+ RICserviceQuery_t *ricServiceQuery=NULL;
+ RicServiceUpdate ricUpdate;
+ RANfunctionID_ItemIEs_t *ranFuncAddedItemIe;
+ RANfunctionsID_List_t *ranFuncAddedList;
+
+ DU_LOG("\nINFO --> E2AP : RIC Service Query received");
+ memset(&ricUpdate, 0, sizeof(RicServiceUpdate));
+ ricUpdate.dir = RIC_INITIATED;
+ ricServiceQuery = &e2apMsg->choice.initiatingMessage->value.choice.RICserviceQuery;
+
+ for(arrIdx=0; arrIdx<ricServiceQuery->protocolIEs.list.count; arrIdx++)
+ {
+ switch(ricServiceQuery->protocolIEs.list.array[arrIdx]->id)
+ {
+ /* TODO completing in next patch/gerrit */
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ ricUpdate.transId = ricServiceQuery->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionsAccepted:
+ {
+ ranFuncAddedList= &ricServiceQuery->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List;
+ if(ranFuncAddedList->list.array)
+ {
+ for(ranFuncIdx=0;ranFuncIdx<ranFuncAddedList->list.count; ranFuncIdx++)
+ {
+ if(ranFuncAddedList->list.array[ranFuncIdx])
+ {
+ /* Using the RAN function Id, identify the RAN function to be modified or deleted. */
+
+ ranFuncAddedItemIe = (RANfunctionID_ItemIEs_t*)ranFuncAddedList->list.array[ranFuncIdx];
+ id = ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionID;
+ revisionCcounter = ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionRevision;
+
+ if((id != duCb.e2apDb.ranFunction[id-1].id))
+ {
+ action = CONFIG_DEL;
+ }
+ else if((id == duCb.e2apDb.ranFunction[id-1].id)&&(revisionCcounter!=duCb.e2apDb.ranFunction[id-1].revisionCounter))
+ {
+ action = CONFIG_MOD;
+ }
+
+ if(action == CONFIG_DEL)
+ {
+ ricUpdate.recvRanFuncList.ranFunToBeDeleted[ricUpdate.recvRanFuncList.numOfRanFunToBeDeleted].id = id;
+ ricUpdate.recvRanFuncList.ranFunToBeDeleted[ricUpdate.recvRanFuncList.numOfRanFunToBeDeleted].revisionCounter = revisionCcounter;
+ ricUpdate.recvRanFuncList.numOfRanFunToBeDeleted++;
+ }
+ else if(action == CONFIG_MOD)
+ {
+ ricUpdate.recvRanFuncList.ranFunToBeModified[ricUpdate.recvRanFuncList.numOfRanFunToBeModified].id = id;
+ ricUpdate.recvRanFuncList.ranFunToBeModified[ricUpdate.recvRanFuncList.numOfRanFunToBeModified].revisionCounter = revisionCcounter;
+ ricUpdate.recvRanFuncList.numOfRanFunToBeModified++;
+ }
+
+ /* If any ID is set to true, it means that the ID has been used in either modification or deletion list.
+ * Else we will add the IDs into the added list */
+ tmpArray[id-1] = true;
+ }
+ }
+ }
+ break;
+ }
+ }
+ }
+
+ /* Traversing the whole RAN function list in ducb to check if any new Ran function ids have been added. */
+ for(arrIdx =0; arrIdx<MAX_RAN_FUNCTION; arrIdx++)
+ {
+ tmpIdx= ricUpdate.recvRanFuncList.numOfRanFunToBeAdded;
+ if((duCb.e2apDb.ranFunction[arrIdx].id >0)&&(!tmpArray[arrIdx]))
+ {
+ ricUpdate.recvRanFuncList.ranFunToBeAdded[tmpIdx].id = duCb.e2apDb.ranFunction[arrIdx].id;
+ ricUpdate.recvRanFuncList.ranFunToBeAdded[tmpIdx].revisionCounter = duCb.e2apDb.ranFunction[arrIdx].revisionCounter;
+ ricUpdate.recvRanFuncList.numOfRanFunToBeAdded++;
+ }
+ }
+
+ if(BuildAndSendRicServiceUpdate(ricUpdate)!= ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send ric service update message");
+ }
+
+ freeAperDecodingOfRicServiceQuery(ricServiceQuery);
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder for
+ * RIC service update ack
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicServiceUpdateAck
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder
+ * for RIC service update ack
+ *
+ * @params[in] RICserviceUpdateAck_t *ricServiceAck;
+ * @return void
+ *
+ * ****************************************************************/
+
+void freeAperDecodingOfRicServiceUpdateAck(RICserviceUpdateAcknowledge_t *ricServiceAck)
+{
+ uint8_t arrIdx=0,ranFuncIdx=0;
+ RANfunctionsID_List_t *ranFuncAddedList=NULL;
+
+ if(ricServiceAck)
+ {
+ if(ricServiceAck->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<ricServiceAck->protocolIEs.list.count; arrIdx++)
+ {
+ if(ricServiceAck->protocolIEs.list.array[arrIdx])
+ {
+ switch(ricServiceAck->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_RANfunctionsAccepted:
+ {
+ ranFuncAddedList= &ricServiceAck->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List;
+ if(ranFuncAddedList->list.array)
+ {
+ for(ranFuncIdx=0;ranFuncIdx<ranFuncAddedList->list.count; ranFuncIdx++)
+ {
+ free(ranFuncAddedList->list.array[ranFuncIdx]);
+ }
+ free(ranFuncAddedList->list.array);
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ free(ricServiceAck->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(ricServiceAck->protocolIEs.list.array);
+ }
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Processes RIC service update ack sent by RIC
+ *
+ * @details
+ *
+ * Function : procRicServiceUpdateAck
+ *
+ * Functionality: Processes RIC service update ack sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void procRicServiceUpdateAck(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0;
+ uint16_t transId =0;
+ uint16_t id =0, tmpIdx=0, ranFuncIdx=0;
+ RicServiceUpdate serviceUpdate;
+ RANfunctionsIDcause_List_t *rejectedList=NULL;
+ RICserviceUpdateAcknowledge_t *ricServiceAck=NULL;
+ RANfunctionIDcause_ItemIEs_t *ranFuncRejectedItemIe=NULL;
+
+ DU_LOG("\nINFO --> E2AP : RIC service update ack received");
+ memset(&serviceUpdate, 0, sizeof(RicServiceUpdate));
+ ricServiceAck = &e2apMsg->choice.successfulOutcome->value.choice.RICserviceUpdateAcknowledge;
+
+ for(arrIdx=0; arrIdx<ricServiceAck->protocolIEs.list.count; arrIdx++)
+ {
+ switch(ricServiceAck->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = ricServiceAck->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 if((duCb.e2apDb.e2TransInfo.ricInitTransaction[transId].transactionId == transId) &&\
+ (duCb.e2apDb.e2TransInfo.ricInitTransaction[transId].procedureCode == e2apMsg->choice.unsuccessfulOutcome->procedureCode))
+ {
+ memset(&duCb.e2apDb.e2TransInfo.ricInitTransaction[transId], 0, sizeof(E2TransInfo));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
+ return ;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionsAccepted:
+ break;
+
+ case ProtocolIE_IDE2_id_RANfunctionsRejected:
+ {
+ rejectedList= &ricServiceAck->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsIDcause_List;
+ if(rejectedList->list.array)
+ {
+ for(ranFuncIdx=0;ranFuncIdx<rejectedList->list.count; ranFuncIdx++)
+ {
+ ranFuncRejectedItemIe = (RANfunctionIDcause_ItemIEs_t*)rejectedList->list.array[ranFuncIdx];
+ id = ranFuncRejectedItemIe->value.choice.RANfunctionIDcause_Item.ranFunctionID;
+ tmpIdx= serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded;
+ serviceUpdate.recvRanFuncList.ranFunToBeAdded[tmpIdx].id = duCb.e2apDb.ranFunction[id-1].id;
+ serviceUpdate.recvRanFuncList.ranFunToBeAdded[tmpIdx].revisionCounter = duCb.e2apDb.ranFunction[id-1].revisionCounter;
+ serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded++;
+ }
+ }
+ break;
+ }
+
+ }
+ }
+
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded)
+ {
+ serviceUpdate.dir = E2_NODE_INITIATED;
+ BuildAndSendRicServiceUpdate(serviceUpdate);
+ }
+ freeAperDecodingOfRicServiceUpdateAck(ricServiceAck);
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder for
+ * RIC service update failure
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicServiceUpdateFailure
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder
+ * for RIC service update failure
+ *
+ * @params[in] RICserviceUpdateFailure_t *ricServiceFailure;
+ * @return void
+ *
+ * ****************************************************************/
+
+void freeAperDecodingOfRicServiceUpdateFailure(RICserviceUpdateFailure_t *ricServiceFailure)
+{
+ uint8_t arrIdx=0;
+
+ if(ricServiceFailure)
+ {
+ if(ricServiceFailure->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<ricServiceFailure->protocolIEs.list.count; arrIdx++)
+ {
+ if(ricServiceFailure->protocolIEs.list.array[arrIdx])
+ {
+ free(ricServiceFailure->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(ricServiceFailure->protocolIEs.list.array);
+ }
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Processes RIC service update failure sent by RIC
+ *
+ * @details
+ *
+ * Function : procRicServiceUpdateFailure
+ *
+ * Functionality: Processes RIC service update failure sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void procRicServiceUpdateFailure(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0, timerValue=0;
+ RICserviceUpdateFailure_t *ricServiceFailure=NULL;
+
+ DU_LOG("\nINFO --> E2AP : RIC service update failure received");
+ ricServiceFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.RICserviceUpdateFailure;
+
+ for(arrIdx=0; arrIdx<ricServiceFailure->protocolIEs.list.count; arrIdx++)
+ {
+ switch(ricServiceFailure->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ break;
+ }
+ case ProtocolIE_IDE2_id_TimeToWaitE2:
+ {
+ timerValue = convertE2WaitTimerEnumToValue(ricServiceFailure->protocolIEs.list.array[arrIdx]->value.choice.TimeToWaitE2);
+ if((duChkTmr((PTR)&(duCb.e2apDb.e2TimersInfo.e2Timers.ricServiceUpdateTimer), EVENT_RIC_SERVICE_UPDATE_TMR)) == FALSE)
+ {
+ duStartTmr((PTR)&(duCb.e2apDb.e2TimersInfo.e2Timers.ricServiceUpdateTimer), EVENT_RIC_SERVICE_UPDATE_TMR, timerValue);
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : EVENT_RIC_SERVICE_UPDATE_TMR timer is already running");
+ return;
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_CauseE2:
+ {
+ break;
+ }
+ }
+ }
+
+ freeAperDecodingOfRicServiceUpdateFailure(ricServiceFailure);
+}
+
+/******************************************************************
+ *
+ * @brief DU Send E2 Node Configuration Update
+ *
+ * @details
+ *
+ * Function : duSendE2NodeConfigurationUpdate
+ *
+ * Functionality: DU Send E2 Node Configuration Update
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duSendE2NodeConfigurationUpdate()
+{
+ E2NodeConfigList e2NodeList;
+ CmLList *node =NULL;
+ E2NodeComponent *e2NodeComponentInfo=NULL;
+
+ memset(&e2NodeList, 0, sizeof(E2NodeConfigList));
+ CM_LLIST_FIRST_NODE(&duCb.e2apDb.e2NodeComponentList, node);
+ while(node)
+ {
+ e2NodeComponentInfo = (E2NodeComponent*)node->node;
+
+ if(e2NodeComponentInfo->addConfiguration)
+ {
+ e2NodeList.addE2Node[e2NodeList.addE2NodeCount].interface = e2NodeComponentInfo->interfaceType;
+ e2NodeList.addE2Node[e2NodeList.addE2NodeCount].componentId= e2NodeComponentInfo->componentId;
+ e2NodeList.addE2NodeCount++;
+ break;
+ }
+ if(e2NodeComponentInfo->updateConfiguration)
+ {
+ e2NodeList.updateE2Node[e2NodeList.updateE2NodeCount].interface = e2NodeComponentInfo->interfaceType;
+ e2NodeList.updateE2Node[e2NodeList.updateE2NodeCount].componentId= e2NodeComponentInfo->componentId;
+ e2NodeList.updateE2NodeCount++;
+ break;
+ }
+ if(e2NodeComponentInfo->deleteConfiguration == true)
+ {
+ e2NodeList.removeE2Node[e2NodeList.removeE2NodeCount].interface = e2NodeComponentInfo->interfaceType;
+ e2NodeList.removeE2Node[e2NodeList.removeE2NodeCount].componentId = e2NodeComponentInfo->componentId;
+ e2NodeList.removeE2NodeCount++;
+ break;
+ }
+ node = node->next;
+ }
+
+ if(BuildAndSendE2NodeConfigUpdate(&e2NodeList) !=ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send e2 node config update message to RIC_stub");
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Free RIC Subscription Modification Required
+ *
+ * @details
+ *
+ * Function : FreeRicSubsModRequired
+ *
+ * Functionality: Freqq RIC Subscription Modification required
+ *
+ * @param E2AP Message PDU to be freed
+ * @return void
+ *
+ ******************************************************************/
+void FreeRicSubsModRequired(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx = 0, arrIdx = 0;
+ RICsubscriptionModificationRequired_t *ricSubsModReqd = NULLP;
+ RICsubscriptionModificationRequired_IEs_t *ricSubsModReqdIe = NULLP;
+ RICactions_RequiredToBeModified_List_t *actionToBeModList = NULLP;
+ RICactions_RequiredToBeRemoved_List_t *actionToBeRmvList = NULLP;
+
+ if(e2apMsg)
+ {
+ if(e2apMsg->choice.initiatingMessage)
+ {
+ ricSubsModReqd = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionModificationRequired;
+ if(ricSubsModReqd->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < ricSubsModReqd->protocolIEs.list.count; ieIdx++)
+ {
+ if(ricSubsModReqd->protocolIEs.list.array[ieIdx])
+ {
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ switch(ricSubsModReqdIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICactionsRequiredToBeModified_List:
+ {
+ actionToBeModList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeModified_List;
+ if(actionToBeModList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < actionToBeModList->list.count; arrIdx++)
+ {
+ DU_FREE(actionToBeModList->list.array[arrIdx], \
+ sizeof(RICaction_RequiredToBeModified_ItemIEs_t));
+ }
+ DU_FREE(actionToBeModList->list.array, actionToBeModList->list.size);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRequiredToBeRemoved_List:
+ {
+ actionToBeRmvList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeRemoved_List;
+ if(actionToBeRmvList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < actionToBeRmvList->list.count; arrIdx++)
+ {
+ DU_FREE(actionToBeRmvList->list.array[arrIdx], \
+ sizeof(RICaction_RequiredToBeRemoved_ItemIEs_t));
+ }
+ DU_FREE(actionToBeRmvList->list.array, actionToBeRmvList->list.size);
+ }
+ break;
+ }
+
+ default:
+ break;
+ }
+ DU_FREE(ricSubsModReqd->protocolIEs.list.array[ieIdx], \
+ sizeof(RICsubscriptionModificationRequired_IEs_t));
+ }
+ }
+ DU_FREE(ricSubsModReqd->protocolIEs.list.array, ricSubsModReqd->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/* A RIC Subscription includes RIC subsequent action only for RIC Insert service.
+ * However, E2SM-KPM supports only RIC Report service.
+ * Hence there is no subsequent action in RIC subscription that may require modification.
+ * So commenting the action-modification IEs for the time being
+ */
+#if 0
+/*******************************************************************
+ *
+ * @brief Fill Action required to be modified list
+ *
+ * @details
+ *
+ * Function : FillActionReqdToBeModList
+ *
+ * Functionality: Fill Action required to be modified list
+ *
+ * @param RIC Actions Required To Be Modified List to be filled
+ * Number of actions to be modified
+ * RIC Subscription DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t FillActionReqdToBeModList(RICactions_RequiredToBeModified_List_t *actionToBeModList, uint8_t numActionsMod,\
+ RicSubscription *ricSubscription)
+{
+ uint8_t arrIdx = 0;
+ CmLList *actionNode = NULLP;
+ ActionInfo *actionDb = NULLP;
+ RICaction_RequiredToBeModified_ItemIEs_t *actionToBeMod = NULL;
+
+ actionToBeModList->list.count = numActionsMod;
+ actionToBeModList->list.size = numActionsMod * sizeof(RICaction_RequiredToBeModified_ItemIEs_t *);
+ DU_ALLOC(actionToBeModList->list.array, actionToBeModList->list.size);
+ if(!actionToBeModList->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ arrIdx = 0;
+ CM_LLIST_FIRST_NODE(&ricSubscription->actionSequence, actionNode);
+ while(actionNode)
+ {
+ actionDb = (ActionInfo*)(actionNode->node);
+ if(actionDb->action == CONFIG_MOD)
+ {
+ DU_ALLOC(actionToBeModList->list.array[arrIdx], sizeof(RICaction_RequiredToBeModified_ItemIEs_t));
+ if(!actionToBeModList->list.array[arrIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ actionToBeMod = (RICaction_RequiredToBeModified_ItemIEs_t *)actionToBeModList->list.array[arrIdx];
+
+ actionToBeMod->id = ProtocolIE_IDE2_id_RICaction_RequiredToBeModified_Item;
+ actionToBeMod->criticality = CriticalityE2_reject;
+ actionToBeMod->value.present = \
+ RICaction_RequiredToBeModified_ItemIEs__value_PR_RICaction_RequiredToBeModified_Item;
+ actionToBeMod->value.choice.RICaction_RequiredToBeModified_Item.ricActionID = \
+ actionDb->actionId;
+ actionToBeMod->value.choice.RICaction_RequiredToBeModified_Item.ricTimeToWait = RICtimeToWait_w5ms;
+
+ arrIdx++;
+ }
+ }
+
+ return ROK;
+}
+#endif
+/*******************************************************************
+ *
+ * @brief Fill Action required to be removed list
+ *
+ * @details
+ *
+ * Function : FillActionReqdToBeRmvList
+ *
+ * Functionality: Fill Action required to be removed list
+ *
+ * @param RIC Actions Required To Be Removed List to be filled
+ * Number of actions to be removed
+ * RIC Subscription DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t FillActionReqdToBeRmvList(RICactions_RequiredToBeRemoved_List_t *actionToBeRmvList, uint8_t numActionsRmv, \
+ RicSubscription *ricSubscription)
+{
+ uint8_t arrIdx = 0;
+ CmLList *actionNode = NULLP;
+ ActionInfo *actionDb = NULLP;
+ RICaction_RequiredToBeRemoved_ItemIEs_t *actionToBeRmv = NULL;
+
+ actionToBeRmvList->list.count = numActionsRmv;
+ actionToBeRmvList->list.size = numActionsRmv * sizeof(RICaction_RequiredToBeRemoved_ItemIEs_t *);
+ DU_ALLOC(actionToBeRmvList->list.array, actionToBeRmvList->list.size);
+ if(!actionToBeRmvList->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ arrIdx = 0;
+ CM_LLIST_FIRST_NODE(&ricSubscription->actionSequence, actionNode);
+ while(actionNode)
+ {
+ actionDb = (ActionInfo*)(actionNode->node);
+ if(actionDb->action == CONFIG_DEL)
+ {
+ DU_ALLOC(actionToBeRmvList->list.array[arrIdx], sizeof(RICaction_RequiredToBeRemoved_ItemIEs_t));
+ if(!actionToBeRmvList->list.array[arrIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ actionToBeRmv = (RICaction_RequiredToBeRemoved_ItemIEs_t *)actionToBeRmvList->list.array[arrIdx];
+
+ actionToBeRmv->id = ProtocolIE_IDE2_id_RICaction_RequiredToBeRemoved_Item;
+ actionToBeRmv->criticality = CriticalityE2_reject;
+ actionToBeRmv->value.present = \
+ RICaction_RequiredToBeRemoved_ItemIEs__value_PR_RICaction_RequiredToBeRemoved_Item;
+ actionToBeRmv->value.choice.RICaction_RequiredToBeRemoved_Item.ricActionID = actionDb->actionId;
+ fillE2Cause(&actionToBeRmv->value.choice.RICaction_RequiredToBeRemoved_Item.cause, actionDb->failureCause);
+ arrIdx++;
+ }
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fill RIC Subscription Modification Required IEs
+ *
+ * @details
+ *
+ * Function : FillRicSubsModRequired
+ *
+ * Functionality: Fill RIC Subscription Modification Required IEs
+ *
+ * @param RIC Subscription Modification Required IEs to be filled
+ * RIC Subscription DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t FillRicSubsModRequired(RICsubscriptionModificationRequired_t *ricSubsModReqd, RicSubscription *ricSubscription)
+{
+ ActionInfo * actionDb=NULLP;
+ CmLList *actionNode = NULLP;
+ uint8_t ieIdx = 0, elementCnt=0;
+ uint8_t numActionsMod = 0, numActionsRmv = 0;
+ RICsubscriptionModificationRequired_IEs_t *ricSubsModReqdIe = NULLP;
+ RICactions_RequiredToBeRemoved_List_t *actionToBeRmvList = NULLP;
+
+/* Unused in case of E2SM-KPM */
+#if 0
+ RICactions_RequiredToBeModified_List_t *actionToBeModList = NULLP;
+#endif
+
+ /* Count number of Actions to be modified or deleted */
+ CM_LLIST_FIRST_NODE(&ricSubscription->actionSequence, actionNode);
+ while(actionNode)
+ {
+ actionDb = (ActionInfo*)(actionNode->node);
+ if(actionDb->action == CONFIG_MOD)
+ numActionsMod++;
+ else if(actionDb->action == CONFIG_DEL)
+ numActionsRmv++;
+ actionNode = actionNode->next;
+ }
+
+ /* Count number of IEs to be added to messages */
+ elementCnt = 2;
+ if(numActionsMod)
+ elementCnt++;
+ if(numActionsRmv)
+ elementCnt++;
+
+ ricSubsModReqd->protocolIEs.list.count = elementCnt;
+ ricSubsModReqd->protocolIEs.list.size = elementCnt * sizeof(RICsubscriptionModificationRequired_IEs_t *);
+ DU_ALLOC(ricSubsModReqd->protocolIEs.list.array, ricSubsModReqd->protocolIEs.list.size);
+ if(!ricSubsModReqd->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ DU_ALLOC(ricSubsModReqd->protocolIEs.list.array[ieIdx], sizeof(RICsubscriptionModificationRequired_IEs_t));
+ if(!ricSubsModReqd->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ }
+
+ /* RIC Request ID */
+ ieIdx = 0;
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ ricSubsModReqdIe->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricSubsModReqdIe->criticality = CriticalityE2_reject;
+ ricSubsModReqdIe->value.present = RICsubscriptionModificationRequired_IEs__value_PR_RICrequestID;
+ ricSubsModReqdIe->value.choice.RICrequestID.ricRequestorID = ricSubscription->requestId.requestorId;
+ ricSubsModReqdIe->value.choice.RICrequestID.ricInstanceID = ricSubscription->requestId.instanceId;
+
+ /* RAN Function ID */
+ ieIdx++;
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ ricSubsModReqdIe->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricSubsModReqdIe->criticality = CriticalityE2_reject;
+ ricSubsModReqdIe->value.present = RICsubscriptionModificationRequired_IEs__value_PR_RANfunctionID;
+ ricSubsModReqdIe->value.choice.RANfunctionID = ricSubscription->ranFuncId;
+
+/* A RIC Subscription includes RIC subsequent action only for RIC Insert service.
+ * However, E2SM-KPM supports only RIC Report service.
+ * Hence there is no subsequent action in RIC subscription that may require modification.
+ * So commenting the action-modification IEs for the time being
+ */
+#if 0
+ /* RIC Actions Required to be Modified */
+ if(numActionsMod)
+ {
+ ieIdx++;
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ ricSubsModReqdIe->id = ProtocolIE_IDE2_id_RICactionsRequiredToBeModified_List;
+ ricSubsModReqdIe->criticality = CriticalityE2_reject;
+ ricSubsModReqdIe->value.present = \
+ RICsubscriptionModificationRequired_IEs__value_PR_RICactions_RequiredToBeModified_List;
+ actionToBeModList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeModified_List;
+
+ if(FillActionReqdToBeModList(actionToBeModList, numActionsMod, ricSubscription) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill actions required to be modified list", __func__);
+ return RFAILED;
+ }
+ }
+#endif
+
+ /* RIC Actions Required to be removed */
+ if(numActionsRmv)
+ {
+ ieIdx++;
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ ricSubsModReqdIe->id = ProtocolIE_IDE2_id_RICactionsRequiredToBeRemoved_List;
+ ricSubsModReqdIe->criticality = CriticalityE2_reject;
+ ricSubsModReqdIe->value.present = \
+ RICsubscriptionModificationRequired_IEs__value_PR_RICactions_RequiredToBeRemoved_List;
+ actionToBeRmvList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeRemoved_List;
+
+ if(FillActionReqdToBeRmvList(actionToBeRmvList, numActionsRmv, ricSubscription) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill actions required to be removed list", __func__);
+ return RFAILED;
+ }
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send RIC Subscription Modification Required
+ * message
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicSubsModRequired
+ *
+ * Functionality: Builds and Send RIC Subscription Modification
+ * Required message
+ *
+ * @param RIC Subscription DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t BuildAndSendRicSubsModRequired(RicSubscription *ricSubscription)
+{
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ RICsubscriptionModificationRequired_t *ricSubsModReqd = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building RIC Subscription Modification Required \n");
+ while(true)
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICsubscriptionModificationRequired;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICsubscriptionModificationRequired;
+
+ ricSubsModReqd = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionModificationRequired;
+
+ if(FillRicSubsModRequired(ricSubsModReqd, ricSubscription) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill RIC Subscription Modification Required IEs", __func__);
+ break;
+ }
+
+ /* Encode */
+ 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 Modifiction Required structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for RIC Subscription Modification Required \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 RIC Subscription Modification Required failed");
+ }
+
+ ret = ROK;
+ break;
+ }
+
+ /* Free RIC Subscription modification required */
+ FreeRicSubsModRequired(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Free APER decoding of RIC Subscription Modification Confirm
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicSubsModConfirm
+ *
+ * Functionality: Free APER decoding of RIC Subscription
+ * Modification Confirm
+ *
+ * @param E2AP Message PDU
+ * @return void
+ *
+ ******************************************************************/
+void freeAperDecodingOfRicSubsModConfirm(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx = 0, arrIdx=0;
+ RICsubscriptionModificationConfirm_t *ricSubsModCfm = NULLP;
+ RICsubscriptionModificationConfirm_IEs_t *ricSubsModCfmIe = NULLP;
+ RICactions_ConfirmedForModification_List_t *modCfmList = NULLP;
+ RICactions_RefusedToBeModified_List_t *modRefusedList = NULLP;
+ RICactions_ConfirmedForRemoval_List_t *rmvCfmList = NULLP;
+ RICactions_RefusedToBeRemoved_List_t *rmvFailList = NULLP;
+
+ if(e2apMsg && e2apMsg->choice.successfulOutcome)
+ {
+ ricSubsModCfm = &e2apMsg->choice.successfulOutcome->value.choice.RICsubscriptionModificationConfirm;
+ if(ricSubsModCfm->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < ricSubsModCfm->protocolIEs.list.count; ieIdx++)
+ {
+ if(ricSubsModCfm->protocolIEs.list.array[ieIdx])
+ {
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ switch(ricSubsModCfmIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICactionsConfirmedForModification_List:
+ {
+ modCfmList = &ricSubsModCfmIe->value.choice.RICactions_ConfirmedForModification_List;
+ if(modCfmList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < modCfmList->list.count; arrIdx++)
+ {
+ if(modCfmList->list.array[arrIdx])
+ free(modCfmList->list.array[arrIdx]);
+ }
+ free(modCfmList->list.array);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRefusedToBeModified_List:
+ {
+ modRefusedList = &ricSubsModCfmIe->value.choice.RICactions_RefusedToBeModified_List;
+ if(modRefusedList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < modRefusedList->list.count; arrIdx++)
+ {
+ if(modRefusedList->list.array[arrIdx])
+ free(modRefusedList->list.array[arrIdx]);
+ }
+ free(modRefusedList->list.array);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsConfirmedForRemoval_List:
+ {
+ rmvCfmList = &ricSubsModCfmIe->value.choice.RICactions_ConfirmedForRemoval_List;
+ if(rmvCfmList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < rmvCfmList->list.count; arrIdx++)
+ {
+ if(rmvCfmList->list.array[arrIdx])
+ free(rmvCfmList->list.array[arrIdx]);
+ }
+ free(rmvCfmList->list.array);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRefusedToBeRemoved_List:
+ {
+ rmvFailList = &ricSubsModCfmIe->value.choice.RICactions_RefusedToBeRemoved_List;
+ if(rmvFailList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < rmvFailList->list.count; arrIdx++)
+ {
+ if(rmvFailList->list.array[arrIdx])
+ free(rmvFailList->list.array[arrIdx]);
+ }
+ free(rmvFailList->list.array);
+ }
+ break;
+ }
+
+ default:
+ break;
+
+ }
+ free(ricSubsModCfmIe);
+ }
+ }
+ free(ricSubsModCfm->protocolIEs.list.array);
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Process RIC Subscription Modification Confirm Message
+ *
+ * @details
+ *
+ * Function : procRicSubscriptionModificationConfirm
+ *
+ * Functionality: Process RIC Subscription Modification Confirm
+ * Message received from RIC.
+ *
+ * @param E2AP Message PDU
+ * @return void
+ *
+ ******************************************************************/
+void procRicSubscriptionModificationConfirm(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t actionId = 0, ieIdx = 0, arrIdx = 0;
+ uint16_t ranFuncId = 0;
+ bool procFailure = false;
+ RicRequestId ricReqId;
+ RanFunction *ranFuncDb = NULLP;
+ CmLList *ricSubsNode = NULLP;
+ CmLList *actionNode= NULLP;
+ RicSubscription *ricSubsDb = NULLP;
+ ActionInfo *actionDb = NULLP;
+
+ RICsubscriptionModificationConfirm_t *ricSubsModCfm = NULLP;
+ RICsubscriptionModificationConfirm_IEs_t *ricSubsModCfmIe = NULLP;
+
+/* Not used in case of E2SM-KPM */
+#if 0
+ RICactions_ConfirmedForModification_List_t *modCfmList = NULLP;
+ RICaction_ConfirmedForModification_ItemIEs_t *modCfmListItem = NULLP;
+
+ RICactions_RefusedToBeModified_List_t *modRefusedList = NULLP;
+ RICaction_RefusedToBeModified_ItemIEs_t *modRefusedListItem = NULLP;
+#endif
+
+ RICactions_ConfirmedForRemoval_List_t *rmvCfmList = NULLP;
+ RICaction_ConfirmedForRemoval_ItemIEs_t *rmvCfmListItem = NULLP;
+
+ RICactions_RefusedToBeRemoved_List_t *rmvFailList = NULLP;
+ RICaction_RefusedToBeRemoved_ItemIEs_t *rmvFailListItem = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : %s: Received RIC Subscription Modification Confirm", __func__);
+
+ do{
+ if(!e2apMsg)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: E2AP Message is NULL", __func__);
+ break;
+ }
+
+ if(!e2apMsg->choice.successfulOutcome)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Successful Outcome in E2AP message is NULL", __func__);
+ break;
+ }
+
+ ricSubsModCfm = &e2apMsg->choice.successfulOutcome->value.choice.RICsubscriptionModificationConfirm;
+ if(!ricSubsModCfm->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Array conatining E2AP message IEs is null", __func__);
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < ricSubsModCfm->protocolIEs.list.count; ieIdx++)
+ {
+ if(!ricSubsModCfm->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : %s: IE at index [%d] in E2AP message IEs list is null", __func__, ieIdx);
+ break;
+ }
+
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ switch(ricSubsModCfmIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ {
+ memset(&ricReqId, 0, sizeof(RicRequestId));
+ ricReqId.requestorId = ricSubsModCfmIe->value.choice.RICrequestID.ricRequestorID;
+ ricReqId.instanceId = ricSubsModCfmIe->value.choice.RICrequestID.ricInstanceID;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ {
+ ranFuncId = ricSubsModCfmIe->value.choice.RANfunctionID;
+ ranFuncDb = fetchRanFuncFromRanFuncId(ranFuncId);
+ if(!ranFuncDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: RAN Function ID [%d] not found", __func__, ranFuncId);
+ procFailure = true;
+ break;
+ }
+
+ ricSubsDb = fetchSubsInfoFromRicReqId(ricReqId, ranFuncDb, &ricSubsNode);
+ if(!ricSubsDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: RIC Subscription not found for Requestor_ID [%d] Instance_ID [%d]",\
+ __func__, ricReqId.requestorId, ricReqId.instanceId);
+ procFailure = true;
+ break;
+ }
+
+ break;
+ }
+
+/* A RIC Subscription includes RIC subsequent action only for RIC Insert service.
+ * However, E2SM-KPM supports only RIC Report service.
+ * Hence there is no subsequent action in RIC subscription that may require modification.
+ * So commenting the action-modification IEs for the time being
+ */
+#if 0
+ case ProtocolIE_IDE2_id_RICactionsConfirmedForModification_List:
+ {
+ modCfmList = &ricSubsModCfmIe->value.choice.RICactions_ConfirmedForModification_List;
+ for(arrIdx = 0; arrIdx < modCfmList->list.count; arrIdx++)
+ {
+ modCfmListItem = (RICaction_ConfirmedForModification_ItemIEs_t *)modCfmList->list.array[arrIdx];
+ actionId = modCfmListItem->value.choice.RICaction_ConfirmedForModification_Item.ricActionID;
+
+ actionDb = fetchActionInfoFromActionId(actionId, ricSubsDb, &actionNode, CONFIG_UNKNOWN);
+ if(!actionDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Action ID [%d] not found", __func__, actionId);
+ }
+ else
+ {
+ actionDb->action = CONFIG_UNKNOWN;
+ /* Further handling can be added here in future once the
+ * use case of this procedure is identified */
+ }
+ actionDb = NULLP;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRefusedToBeModified_List:
+ {
+ modRefusedList = &ricSubsModCfmIe->value.choice.RICactions_RefusedToBeModified_List;
+ for(arrIdx = 0; arrIdx < modRefusedList->list.count; arrIdx++)
+ {
+ modRefusedListItem = (RICaction_RefusedToBeModified_ItemIEs_t *)modRefusedList->list.array[arrIdx];
+ actionId = modRefusedListItem->value.choice.RICaction_RefusedToBeModified_Item.ricActionID;
+ actionDb = fetchActionInfoFromActionId(actionId, ricSubsDb, &actionNode, CONFIG_UNKNOWN);
+ if(!actionDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Action ID [%d] not found", __func__, actionId);
+ }
+ else
+ {
+ /* Spec doesnt mention if in case of failure, DU should retry for modify action
+ * Hence, chaging the action from CONFIG_MOD to CONFIG_UNKNOWN
+ */
+ actionDb->action = CONFIG_UNKNOWN;
+ }
+ actionDb = NULLP;
+ }
+ break;
+ }
+#endif
+
+ case ProtocolIE_IDE2_id_RICactionsConfirmedForRemoval_List:
+ {
+ rmvCfmList = &ricSubsModCfmIe->value.choice.RICactions_ConfirmedForRemoval_List;
+ for(arrIdx = 0; arrIdx < rmvCfmList->list.count; arrIdx++)
+ {
+ rmvCfmListItem = (RICaction_ConfirmedForRemoval_ItemIEs_t *)rmvCfmList->list.array[arrIdx];
+ actionId = rmvCfmListItem->value.choice.RICaction_ConfirmedForRemoval_Item.ricActionID;
+ actionDb = fetchActionInfoFromActionId(actionId, ricSubsDb, &actionNode, CONFIG_UNKNOWN);
+ if(!actionDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Action ID [%d] not found", __func__, actionId);
+ }
+ else
+ {
+ cmLListDelFrm(&ricSubsDb->actionSequence, actionNode);
+ deleteActionSequence(actionNode);
+ actionDb =NULLP;
+ /* Further handling can include :
+ * Deletion of this action from all DU layers
+ */
+ }
+ actionDb = NULLP;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRefusedToBeRemoved_List:
+ {
+ rmvFailList = &ricSubsModCfmIe->value.choice.RICactions_RefusedToBeRemoved_List;
+ for(arrIdx = 0; arrIdx < rmvFailList->list.count; arrIdx++)
+ {
+ rmvFailListItem = (RICaction_RefusedToBeRemoved_ItemIEs_t *)rmvFailList->list.array[arrIdx];
+ actionId = rmvFailListItem->value.choice.RICaction_RefusedToBeRemoved_Item.ricActionID;
+ actionDb = fetchActionInfoFromActionId(actionId, ricSubsDb, &actionNode, CONFIG_UNKNOWN);
+ if(!actionDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Action ID [%d] not found", __func__, actionId);