+ DU_LOG("\nERROR --> E2AP : ricServiceUpdate array pointer is null");
+ return;
+ }
+ elementCnt = ricServiceUpdate->protocolIEs.list.count;
+ for(arrIdx=0; arrIdx<ricServiceUpdate->protocolIEs.list.count; arrIdx++)
+ {
+ if(!ricServiceUpdate->protocolIEs.list.array[arrIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : ricServiceUpdate array idx %d pointer is null",arrIdx);
+ return;
+ }
+
+ switch(ricServiceUpdate->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+
+ if(transId < 0 || transId > 255)
+ {
+ DU_LOG("\nERROR --> E2AP : Received invalid transId %d",transId);
+ return;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionsAdded:
+ {
+ ranFuncList = &ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List;
+
+ if(ranFuncList->list.array)
+ {
+ for(ranFuncIdx=0;ranFuncIdx<ranFuncList->list.count; ranFuncIdx++)
+ {
+ ranFuncItemIe = (RANfunction_ItemIEs_t *) ranFuncList->list.array[ranFuncIdx];
+ ranFuncItem = &ranFuncItemIe->value.choice.RANfunction_Item;
+
+ /* Adding the ran function in temporary list */
+ ricRanFuncList.ranFunAcceptedList[ricRanFuncList.numOfRanFunAccepted].id = ranFuncItem->ranFunctionID;
+ ricRanFuncList.ranFunAcceptedList[ricRanFuncList.numOfRanFunAccepted].revisionCounter = ranFuncItem->ranFunctionRevision;
+ ricRanFuncList.numOfRanFunAccepted++;
+
+ /* Adding the new ran function in DB*/
+ duDb->ranFunction[ranFuncItem->ranFunctionID-1].id = ranFuncItem->ranFunctionID;
+ duDb->ranFunction[ranFuncItem->ranFunctionID-1].revisionCounter = ranFuncItem->ranFunctionRevision;
+ duDb->numOfRanFunction++;
+
+ /* Calculating total number of ran fuctions which are received for addition */
+ recvdRanFuncCount++;
+ }
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionsModified:
+ {
+
+ ranFuncList = &ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List;
+ if(ranFuncList->list.array)
+ {
+ for(ranFuncIdx = 0; ranFuncIdx< ranFuncList->list.count; ranFuncIdx++)
+ {
+ ranFuncItemIe = (RANfunction_ItemIEs_t *) ranFuncList->list.array[ranFuncIdx];
+ ranFuncItem = &ranFuncItemIe->value.choice.RANfunction_Item;
+ if(fetchRanFuncFromRanFuncId(duDb, ranFuncItem->ranFunctionID) == NULLP)
+ {
+ /* Calculating total number of ran fuctions which are not present */
+ failedRanFuncCount++;
+
+ /* Adding the ran function in temporary list */
+ ricRanFuncList.ranFunRejectedList[ricRanFuncList.numOfRanFuneRejected].id = ranFuncItem->ranFunctionID;
+ ricRanFuncList.numOfRanFuneRejected++;
+ }
+ else
+ {
+
+ /* Adding the ran function in temporary list */
+ ricRanFuncList.ranFunAcceptedList[ricRanFuncList.numOfRanFunAccepted].id = ranFuncItem->ranFunctionID;
+ ricRanFuncList.ranFunAcceptedList[ricRanFuncList.numOfRanFunAccepted].revisionCounter = ranFuncItem->ranFunctionRevision;
+ ricRanFuncList.numOfRanFunAccepted++;
+
+ /* Updating the new ran function in DB*/
+ duDb->ranFunction[ranFuncItem->ranFunctionID-1].revisionCounter = ranFuncItem->ranFunctionRevision;
+ }
+ /* Calculating total number of ran fuctions which are received for modification */
+ recvdRanFuncCount++;
+ }
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_RANfunctionsDeleted:
+ {
+
+ deleteList = &ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List;
+ if(deleteList->list.array)
+ {
+ for(ranFuncIdx = 0; ranFuncIdx< deleteList->list.count; ranFuncIdx++)
+ {
+ delRanFuncItem = (RANfunctionID_ItemIEs_t*) deleteList->list.array[ranFuncIdx];
+ ranFuncIdItem = &delRanFuncItem->value.choice.RANfunctionID_Item;
+ ranFuncDb = fetchRanFuncFromRanFuncId(duDb, ranFuncIdItem->ranFunctionID);
+ if(ranFuncDb)
+ {
+ memset(ranFuncDb, 0, sizeof(RanFunction));
+ duDb->numOfRanFunction--;
+ }
+
+ /* Calculating total number of ran fuctions which are received for deletion */
+ recvdRanFuncCount++;
+ }
+ }
+ break;
+ }
+
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : IE [%ld] is not supported",ricServiceUpdate->protocolIEs.list.array[arrIdx]->id);
+ break;
+ }
+ }
+ }
+
+ /* Sending RIC Service Update Failed if all RAN Functions received fail or if any IE processing fails
+ * Else sending RIC Service Update Acknowledge */
+ if((elementCnt > arrIdx) ||((recvdRanFuncCount > 0) && (recvdRanFuncCount == failedRanFuncCount)))
+ {
+ if(BuildAndSendRicServiceUpdateFailure(duDb->duId, transId, CauseE2_PR_misc, CauseE2Misc_unspecified) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send RIC service update Failure");
+ return;
+ }
+ }
+ else
+ {
+ if(BuildAndSendRicServiceUpdateAcknowledge(duDb, transId, ricRanFuncList) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send RIC service update acknowledge");
+ return;
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Processing RIC subscription failure from DU
+ *
+ * @details
+ *
+ * Function : ProcRicSubscriptionFailure
+ *
+ * Functionality: Processing RIC subscription failure from DU
+ *
+ * @param ID of DU from which message was sent
+ * RIC Subscription failure message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t ProcRicSubscriptionFailure(uint32_t duId, RICsubscriptionFailure_t *ricSubscriptionFailure)
+{
+ uint8_t ieIdx = 0, duIdx = 0;
+ uint8_t ranFuncId = 0;
+ DuDb *duDb = NULLP;
+ RanFunction *ranFuncDb = NULLP;
+ RicSubscription *ricSubs = NULLP;
+ CmLList *ricSubsNode = NULLP;
+ RicRequestId ricReqId;
+ RICsubscriptionFailure_IEs_t *ricSubsFailIe = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : Received RIC subscription failure");
+
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId);
+ return RFAILED;
+ }
+
+ memset(&ricReqId, 0, sizeof(RicRequestId));
+ if(ricSubscriptionFailure)
+ {
+ if(ricSubscriptionFailure->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx<ricSubscriptionFailure->protocolIEs.list.count; ieIdx++)
+ {
+ if(ricSubscriptionFailure->protocolIEs.list.array[ieIdx])
+ {
+ ricSubsFailIe = ricSubscriptionFailure->protocolIEs.list.array[ieIdx];
+ switch(ricSubscriptionFailure->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ {
+ ricReqId.requestorId = ricSubsFailIe->value.choice.RICrequestID.ricRequestorID;
+ ricReqId.instanceId = ricSubsFailIe->value.choice.RICrequestID.ricInstanceID;
+ break;
+ }
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ {
+ ranFuncId = ricSubsFailIe->value.choice.RANfunctionID;
+ ranFuncDb = fetchRanFuncFromRanFuncId(duDb, ranFuncId);
+ if(!ranFuncDb)
+ {
+ DU_LOG("\nERROR --> E2AP : ProcRicSubscriptionFailure : RAN Function Id [%d] not found", ranFuncId);
+ return RFAILED;
+ }
+ else
+ {
+ /* Remove subscription entry from RAN Function */
+ ricSubs = fetchSubsInfoFromRicReqId(ricReqId, ranFuncDb, &ricSubsNode);
+ if(ricSubs)
+ {
+ cmLListDelFrm(&ranFuncDb->subscriptionList, ricSubsNode);
+ deleteRicSubscriptionNode(ricSubsNode);
+ }
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_CauseE2:
+ default:
+ /* No handling required as of now since this is a stub */
+ break;
+ }
+ }
+ }
+ }
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Free RIC Subscription Modification Refuse
+ *
+ * @details
+ *
+ * Function : FreeRicSubsModRefuse
+ *
+ * Functionality: Free RIC Subscription Modification Refuse
+ *
+ * @param E2AP Message PDU to be freed
+ * @return void
+ *
+ ******************************************************************/
+void FreeRicSubsModRefuse(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ RICsubscriptionModificationRefuse_t *ricSubsModRefuse = NULLP;
+
+ if(e2apMsg)
+ {
+ if(e2apMsg->choice.unsuccessfulOutcome)
+ {
+ ricSubsModRefuse = &e2apMsg->choice.unsuccessfulOutcome->value.choice.RICsubscriptionModificationRefuse;
+ if(ricSubsModRefuse->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < ricSubsModRefuse->protocolIEs.list.count; ieIdx++)
+ {
+ RIC_FREE(ricSubsModRefuse->protocolIEs.list.array[ieIdx], sizeof(RICsubscriptionModificationRefuse_IEs_t));
+ }
+ RIC_FREE(ricSubsModRefuse->protocolIEs.list.array, ricSubsModRefuse->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.unsuccessfulOutcome , sizeof(UnsuccessfulOutcomeE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Build And Send RIC Subscription Modification Refuse
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicSubsModRefuse
+ *
+ * Functionality: Build And Send RIC Subscription Modification Refuse
+ *
+ * @param DU ID
+ * RIC Request ID of subscription
+ * RAN Function ID
+ * Type of failure
+ * Cause of failure
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t BuildAndSendRicSubsModRefuse(uint32_t duId, RicRequestId ricReqId, uint16_t ranFuncId, CauseE2_PR causeType, \
+ uint8_t cause)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULL;
+ asn_enc_rval_t encRetVal;
+ RICsubscriptionModificationRefuse_t *ricSubsModRefuse = NULLP;
+ RICsubscriptionModificationRefuse_IEs_t *ricSubsModRefuseIe = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : Building RIC Subscription Modification Refuse\n");
+ while(true)
+ {
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_unsuccessfulOutcome;
+ RIC_ALLOC(e2apMsg->choice.unsuccessfulOutcome , sizeof(UnsuccessfulOutcomeE2_t));
+ if(e2apMsg->choice.unsuccessfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->choice.unsuccessfulOutcome->procedureCode = ProcedureCodeE2_id_RICsubscriptionModificationRequired;
+ e2apMsg->choice.unsuccessfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.unsuccessfulOutcome->value.present = \
+ UnsuccessfulOutcomeE2__value_PR_RICsubscriptionModificationRefuse;
+ ricSubsModRefuse = &e2apMsg->choice.unsuccessfulOutcome->value.choice.RICsubscriptionModificationRefuse;
+
+ elementCnt = 3;
+ ricSubsModRefuse->protocolIEs.list.count = elementCnt;
+ ricSubsModRefuse->protocolIEs.list.size = elementCnt * sizeof(RICsubscriptionModificationRefuse_IEs_t *);
+ RIC_ALLOC(ricSubsModRefuse->protocolIEs.list.array, ricSubsModRefuse->protocolIEs.list.size);
+ if(!ricSubsModRefuse->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ RIC_ALLOC(ricSubsModRefuse->protocolIEs.list.array[ieIdx], sizeof(RICsubscriptionModificationRefuse_IEs_t));
+ if(!ricSubsModRefuse->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ break;
+ }
+ }
+
+ /* RIC Request ID */
+ ieIdx = 0;
+ ricSubsModRefuseIe = ricSubsModRefuse->protocolIEs.list.array[ieIdx];
+ ricSubsModRefuseIe->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricSubsModRefuseIe->criticality = CriticalityE2_reject;
+ ricSubsModRefuseIe->value.present = RICsubscriptionModificationRefuse_IEs__value_PR_RICrequestID;
+ ricSubsModRefuseIe->value.choice.RICrequestID.ricRequestorID = ricReqId.requestorId;
+ ricSubsModRefuseIe->value.choice.RICrequestID.ricInstanceID = ricReqId.instanceId;
+
+ /* RAN Function ID */
+ ieIdx++;
+ ricSubsModRefuseIe = ricSubsModRefuse->protocolIEs.list.array[ieIdx];
+ ricSubsModRefuseIe->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricSubsModRefuseIe->criticality = CriticalityE2_reject;
+ ricSubsModRefuseIe->value.present = RICsubscriptionModificationRefuse_IEs__value_PR_RANfunctionID;
+ ricSubsModRefuseIe->value.choice.RANfunctionID = ranFuncId;
+
+ /* Cause */
+ ieIdx++;
+ ricSubsModRefuseIe = ricSubsModRefuse->protocolIEs.list.array[ieIdx];
+ ricSubsModRefuseIe->id = ProtocolIE_IDE2_id_CauseE2;
+ ricSubsModRefuseIe->criticality = CriticalityE2_reject;
+ ricSubsModRefuseIe->value.present = RICsubscriptionModificationRefuse_IEs__value_PR_CauseE2;
+ fillE2FailureCause(&ricSubsModRefuseIe->value.choice.CauseE2, causeType, cause);
+
+ 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);
+
+ /* Check encode results */
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RIC subscription modification refuse (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 refuse\n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send RIC Subscription Modification Refused");
+ break;
+ }
+
+ ret =ROK;
+ break;
+ }
+ FreeRicSubsModRefuse(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Free memory for RIC Subscription Modification Confirm
+ *
+ * @details
+ *
+ * Function : FreeRicSubsModConfirm
+ *
+ * Functionality: Free memory for RIC subscription modification
+ * confirm
+ *
+ * @param E2AP Message PDU to be freed
+ * @return Void
+ *
+ ******************************************************************/
+void FreeRicSubsModConfirm(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)
+ {
+ if(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++)
+ {
+ RIC_FREE(modCfmList->list.array[arrIdx], \
+ sizeof(RICaction_ConfirmedForModification_ItemIEs_t));
+ }
+ RIC_FREE(modCfmList->list.array, modCfmList->list.size);
+ }
+ 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++)
+ {
+ RIC_FREE(modRefusedList->list.array[arrIdx], \
+ sizeof(RICaction_RefusedToBeModified_ItemIEs_t));
+ }
+ RIC_FREE(modRefusedList->list.array, modRefusedList->list.size);
+ }
+ 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++)
+ {
+ RIC_FREE(rmvCfmList->list.array[arrIdx], \
+ sizeof(RICaction_ConfirmedForRemoval_ItemIEs_t));
+ }
+ RIC_FREE(rmvCfmList->list.array, rmvCfmList->list.size);
+ }
+ 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++)
+ {
+ RIC_ALLOC(rmvFailList->list.array[arrIdx], \
+ sizeof(RICaction_RefusedToBeRemoved_ItemIEs_t));
+ }
+ RIC_FREE(rmvFailList->list.array, rmvFailList->list.size);
+ }
+ break;
+ }
+
+ default:
+ break;
+
+ }
+ RIC_FREE(ricSubsModCfmIe, sizeof(RICsubscriptionModificationConfirm_IEs_t));
+ }
+ }
+ RIC_FREE(ricSubsModCfm->protocolIEs.list.array, ricSubsModCfm->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.successfulOutcome , sizeof(SuccessfulOutcomeE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Fill the list of actions confirmed for modification
+ *
+ * @details
+ *
+ * Function : fillActionModConfirmedList
+ *
+ * Functionality: Fill the list of actions confirmed for modification
+ *
+ * @param List to be filled
+ * Number of actions
+ * Source list of actions
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillActionModConfirmedList(RICactions_ConfirmedForModification_List_t *modCfmList, uint8_t numActions, \
+ uint8_t *actionModifiedList)
+{
+ uint8_t arrIdx = 0;
+ RICaction_ConfirmedForModification_ItemIEs_t *modCfmListItem = NULLP;
+
+ modCfmList->list.count = numActions;
+ modCfmList->list.size = numActions * sizeof(RICaction_ConfirmedForModification_ItemIEs_t *);
+ RIC_ALLOC(modCfmList->list.array, modCfmList->list.size);
+ if(!modCfmList->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(arrIdx = 0; arrIdx < modCfmList->list.count; arrIdx++)
+ {
+ RIC_ALLOC(modCfmList->list.array[arrIdx], sizeof(RICaction_ConfirmedForModification_ItemIEs_t));
+ if(!modCfmList->list.array[arrIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ modCfmListItem = (RICaction_ConfirmedForModification_ItemIEs_t *)modCfmList->list.array[arrIdx];
+ modCfmListItem->id = ProtocolIE_IDE2_id_RICaction_ConfirmedForModification_Item;
+ modCfmListItem->criticality = CriticalityE2_ignore;
+ modCfmListItem->value.present = \
+ RICaction_ConfirmedForModification_ItemIEs__value_PR_RICaction_ConfirmedForModification_Item;
+ modCfmListItem->value.choice.RICaction_ConfirmedForModification_Item.ricActionID = actionModifiedList[arrIdx];
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fill the list of actions refused to be modified
+ *
+ * @details
+ *
+ * Function : fillActionModRefusedList
+ *
+ * Functionality: Fill the list of actions refused to be modified
+ *
+ * @param List to be filled
+ * Number of list
+ * Source list of actions refused tobe modified
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillActionModRefusedList(RICactions_RefusedToBeModified_List_t *modRefusedList, uint8_t numActions, \
+ ActionFailed *actionModFailedList)
+{
+ uint8_t arrIdx = 0;
+ RICaction_RefusedToBeModified_ItemIEs_t *modRefusedListItem = NULLP;
+
+ modRefusedList->list.count = numActions;
+ modRefusedList->list.size = numActions * sizeof(RICaction_RefusedToBeModified_ItemIEs_t *);
+ RIC_ALLOC(modRefusedList->list.array, modRefusedList->list.size);
+ if(!modRefusedList->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(arrIdx = 0; arrIdx < modRefusedList->list.count; arrIdx++)
+ {
+ RIC_ALLOC(modRefusedList->list.array[arrIdx], sizeof(RICaction_RefusedToBeModified_ItemIEs_t));
+ if(!modRefusedList->list.array[arrIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ modRefusedListItem = (RICaction_RefusedToBeModified_ItemIEs_t *)modRefusedList->list.array[arrIdx];
+ modRefusedListItem->id = ProtocolIE_IDE2_id_RICaction_RefusedToBeModified_Item;
+ modRefusedListItem->criticality = CriticalityE2_ignore;
+ modRefusedListItem->value.present = \
+ RICaction_RefusedToBeModified_ItemIEs__value_PR_RICaction_RefusedToBeModified_Item;
+ modRefusedListItem->value.choice.RICaction_RefusedToBeModified_Item.ricActionID = \
+ actionModFailedList[arrIdx].actionId;
+ fillE2FailureCause(&modRefusedListItem->value.choice.RICaction_RefusedToBeModified_Item.cause, \
+ actionModFailedList[arrIdx].failureType, actionModFailedList[arrIdx].cause);
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fill the list of action confirmed for removal
+ *
+ * @details
+ *
+ * Function : fillActionRemovalConfirmedList
+ *
+ * Functionality: Fill the list of action confirmed for removal
+ *
+ * @param List to be filled
+ * Number of actions
+ * Source list of actions removed
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillActionRemovalConfirmedList(RICactions_ConfirmedForRemoval_List_t *rmvCfmList, uint8_t numActions, \
+ uint8_t *actionRemovedList)
+{
+ uint8_t arrIdx = 0;
+ RICaction_ConfirmedForRemoval_ItemIEs_t *rmvCfmListItem = NULLP;
+
+ rmvCfmList->list.count = numActions;
+ rmvCfmList->list.size = numActions * sizeof(RICaction_ConfirmedForRemoval_ItemIEs_t *);
+ RIC_ALLOC(rmvCfmList->list.array, rmvCfmList->list.size);
+ if(!rmvCfmList->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(arrIdx = 0; arrIdx < rmvCfmList->list.count; arrIdx++)
+ {
+ RIC_ALLOC(rmvCfmList->list.array[arrIdx], sizeof(RICaction_ConfirmedForRemoval_ItemIEs_t));
+ if(!rmvCfmList->list.array[arrIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ rmvCfmListItem = (RICaction_ConfirmedForRemoval_ItemIEs_t *)rmvCfmList->list.array[arrIdx];
+ rmvCfmListItem->id = ProtocolIE_IDE2_id_RICaction_ConfirmedForRemoval_Item;
+ rmvCfmListItem->criticality = CriticalityE2_ignore;
+ rmvCfmListItem->value.present = \
+ RICaction_ConfirmedForRemoval_ItemIEs__value_PR_RICaction_ConfirmedForRemoval_Item;
+ rmvCfmListItem->value.choice.RICaction_ConfirmedForRemoval_Item.ricActionID = actionRemovedList[arrIdx];
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fill the list of actions refused to be removed
+ *
+ * @details
+ *
+ * Function : fillActionRemovalRefusedList
+ *
+ * Functionality: Fill the list of actions refused to be removed
+ *
+ * @param List to be filled
+ * Number of list
+ * Source list of actions refused to be removed
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t fillActionRemovalRefusedList(RICactions_RefusedToBeRemoved_List_t *rmvFailList, \
+ uint8_t numActions, ActionFailed *actionRmvlFailList)
+{
+ uint8_t arrIdx = 0;
+ RICaction_RefusedToBeRemoved_ItemIEs_t *rmvFailListItem = NULLP;
+
+ rmvFailList->list.count = numActions;
+ rmvFailList->list.size = numActions * sizeof(RICaction_RefusedToBeRemoved_ItemIEs_t *);
+ RIC_ALLOC(rmvFailList->list.array, rmvFailList->list.size);
+ if(!rmvFailList->list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(arrIdx = 0; arrIdx < rmvFailList->list.count; arrIdx++)
+ {
+ RIC_ALLOC(rmvFailList->list.array[arrIdx], sizeof(RICaction_RefusedToBeRemoved_ItemIEs_t));
+ if(!rmvFailList->list.array[arrIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ rmvFailListItem = (RICaction_RefusedToBeRemoved_ItemIEs_t *)rmvFailList->list.array[arrIdx];
+ rmvFailListItem->id = ProtocolIE_IDE2_id_RICaction_RefusedToBeRemoved_Item;
+ rmvFailListItem->criticality = CriticalityE2_ignore;
+ rmvFailListItem->value.present = \
+ RICaction_RefusedToBeRemoved_ItemIEs__value_PR_RICaction_RefusedToBeRemoved_Item;
+ rmvFailListItem->value.choice.RICaction_RefusedToBeRemoved_Item.ricActionID = actionRmvlFailList[arrIdx].actionId;
+ fillE2FailureCause(&rmvFailListItem->value.choice.RICaction_RefusedToBeRemoved_Item.cause, \
+ actionRmvlFailList[arrIdx].failureType, actionRmvlFailList[arrIdx].cause);
+ }
+
+ return ROK;
+
+}
+
+/*******************************************************************
+ *
+ * @brief Build And Send RIC Subscription Modification Confirm
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicSubsModConfirm
+ *
+ * Functionality: Build And Send RIC Subscription Modification Confirm
+ *
+ * @param DU ID
+ * RIC Request ID of subscription
+ * RAN Function ID
+ * Temporary source action list
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t BuildAndSendRicSubsModConfirm(uint32_t duId, RicRequestId ricReqId, uint16_t ranFuncId, RicTmpActionList tmpActionList)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ asn_enc_rval_t encRetVal;
+ RICsubscriptionModificationConfirm_t *ricSubsModCfm = NULLP;
+ RICsubscriptionModificationConfirm_IEs_t *ricSubsModCfmIe = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : Building RIC Subscription Modification Confirm\n");
+ while(true)
+ {
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ /* Successful Outcome */
+ e2apMsg->present = E2AP_PDU_PR_successfulOutcome;
+ RIC_ALLOC(e2apMsg->choice.successfulOutcome , sizeof(SuccessfulOutcomeE2_t));
+ if(e2apMsg->choice.successfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->choice.successfulOutcome->procedureCode = ProcedureCodeE2_id_RICsubscriptionModificationRequired;
+ e2apMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.successfulOutcome->value.present = \
+ SuccessfulOutcomeE2__value_PR_RICsubscriptionModificationConfirm;
+ ricSubsModCfm = &e2apMsg->choice.successfulOutcome->value.choice.RICsubscriptionModificationConfirm;
+
+ elementCnt = 2;
+ if(tmpActionList.numActionModified)
+ elementCnt++;
+ if(tmpActionList.numActionModFailed)
+ elementCnt++;
+ if(tmpActionList.numActionRemoved)
+ elementCnt++;
+ if(tmpActionList.numActionRemovalFailed)
+ elementCnt++;
+
+ ricSubsModCfm->protocolIEs.list.count = elementCnt;
+ ricSubsModCfm->protocolIEs.list.size = elementCnt * sizeof(RICsubscriptionModificationConfirm_IEs_t *);
+ RIC_ALLOC(ricSubsModCfm->protocolIEs.list.array, ricSubsModCfm->protocolIEs.list.size);
+ if(!ricSubsModCfm->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ RIC_ALLOC(ricSubsModCfm->protocolIEs.list.array[ieIdx], sizeof(RICsubscriptionModificationConfirm_IEs_t));
+ if(!ricSubsModCfm->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for %s at line %d", __func__, __LINE__);
+ break;
+ }
+ }
+
+ /* RIC Request ID */
+ ieIdx = 0;
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ ricSubsModCfmIe->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricSubsModCfmIe->criticality = CriticalityE2_reject;
+ ricSubsModCfmIe->value.present = RICsubscriptionModificationConfirm_IEs__value_PR_RICrequestID;
+ ricSubsModCfmIe->value.choice.RICrequestID.ricRequestorID = ricReqId.requestorId;
+ ricSubsModCfmIe->value.choice.RICrequestID.ricInstanceID = ricReqId.instanceId;
+
+ /* RAN Function ID */
+ ieIdx++;
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ ricSubsModCfmIe->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricSubsModCfmIe->criticality = CriticalityE2_reject;
+ ricSubsModCfmIe->value.present = RICsubscriptionModificationConfirm_IEs__value_PR_RANfunctionID;
+ ricSubsModCfmIe->value.choice.RANfunctionID = ranFuncId;
+
+ /* RIC Actions List confirmed for modification */
+ if(tmpActionList.numActionModified)
+ {
+ ieIdx++;
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ ricSubsModCfmIe->id = ProtocolIE_IDE2_id_RICactionsConfirmedForModification_List;
+ ricSubsModCfmIe->criticality = CriticalityE2_ignore;
+ ricSubsModCfmIe->value.present = \
+ RICsubscriptionModificationConfirm_IEs__value_PR_RICactions_ConfirmedForModification_List;
+ if(fillActionModConfirmedList(&ricSubsModCfmIe->value.choice.RICactions_ConfirmedForModification_List, \
+ tmpActionList.numActionModified, tmpActionList.actionModifiedList) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill RIC Actions Confirmed for Modification List", __func__);
+ break;
+ }
+ }
+
+ /* RIC Actions List refured to be modified */
+ if(tmpActionList.numActionModFailed)
+ {
+ ieIdx++;
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ ricSubsModCfmIe->id = ProtocolIE_IDE2_id_RICactionsRefusedToBeModified_List;
+ ricSubsModCfmIe->criticality = CriticalityE2_ignore;
+ ricSubsModCfmIe->value.present = \
+ RICsubscriptionModificationConfirm_IEs__value_PR_RICactions_RefusedToBeModified_List;
+ if(fillActionModRefusedList(&ricSubsModCfmIe->value.choice.RICactions_RefusedToBeModified_List, \
+ tmpActionList.numActionModFailed, tmpActionList.actionModFailedList) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill RIC Actions Refused to be Modified List", __func__);
+ break;
+ }
+ }
+
+ /* RIC Actions List confirmed for removal */
+ if(tmpActionList.numActionRemoved)
+ {
+ ieIdx++;
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ ricSubsModCfmIe->id = ProtocolIE_IDE2_id_RICactionsConfirmedForRemoval_List;
+ ricSubsModCfmIe->criticality = CriticalityE2_ignore;
+ ricSubsModCfmIe->value.present = \
+ RICsubscriptionModificationConfirm_IEs__value_PR_RICactions_ConfirmedForRemoval_List;
+ if(fillActionRemovalConfirmedList(&ricSubsModCfmIe->value.choice.RICactions_ConfirmedForRemoval_List, \
+ tmpActionList.numActionRemoved, tmpActionList.actionRemovedList) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill RIC Actions Confirmed for Removal List", __func__);
+ break;
+ }
+ }
+
+ /* RIC Actions List Refused to be removed */
+ if(tmpActionList.numActionRemovalFailed)
+ {
+ ieIdx++;
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ ricSubsModCfmIe->id = ProtocolIE_IDE2_id_RICactionsRefusedToBeRemoved_List;
+ ricSubsModCfmIe->criticality = CriticalityE2_ignore;
+ ricSubsModCfmIe->value.present = \
+ RICsubscriptionModificationConfirm_IEs__value_PR_RICactions_RefusedToBeRemoved_List;
+ if(fillActionRemovalRefusedList(&ricSubsModCfmIe->value.choice.RICactions_RefusedToBeRemoved_List, \
+ tmpActionList.numActionRemovalFailed, tmpActionList.actionRemovalFailedList) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill RIC Actions Failed to be Removed List", __func__);
+ break;
+ }
+ }
+
+ /* Print and encode E2AP Message PDU */
+ 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);
+
+ /* Check encode results */
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RIC subscription modification confirm (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 confirm\n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send RIC Subscription Modification Confirm");
+ break;
+ }
+
+ ret =ROK;
+ break;
+ }
+
+ FreeRicSubsModConfirm(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Processing of RIC Subscription Modification Required
+ *
+ * @details
+ *
+ * Function : ProcRicSubsModReqd
+ *
+ * Functionality: Processing of RIC Subscription Modification Required
+ * As of now, we do not identify any scenario where this message
+ * shall be sent by DU. Hence, bare minimum handling has been
+ * done here.
+ *
+ * @param DU ID
+ * RIC Subscription Modification Required IEs
+ * @return ROK-success
+ * RFAILED-failure
+ *
+ ******************************************************************/
+uint8_t ProcRicSubsModReqd(uint32_t duId, RICsubscriptionModificationRequired_t *ricSubsModReqd)
+{
+ uint8_t ieIdx = 0, actionIdx = 0, duIdx = 0;
+ DuDb *duDb = NULLP;
+ uint16_t ranFuncId;
+ uint16_t actionId;
+ RicRequestId ricReqId;
+ RanFunction *ranFuncDb = NULLP;
+ RicSubscription *ricSubs = NULLP;
+ CmLList *ricSubsNode = NULLP;
+ CmLList *actionNode = NULLP;
+ ActionInfo *action = NULLP;
+ RICsubscriptionModificationRequired_IEs_t *ricSubsModReqdIe = NULLP;
+ RICactions_RequiredToBeModified_List_t *actionToBeModList = NULLP;
+ RICactions_RequiredToBeRemoved_List_t *actionToBeRmvList = NULLP;
+ RICaction_RequiredToBeModified_ItemIEs_t *actionToBeMod = NULLP;
+ RICaction_RequiredToBeRemoved_ItemIEs_t *actionToBeRmv = NULLP;
+ RicTmpActionList tmpActionList;
+
+ memset(&ricReqId, 0, sizeof(RicRequestId));
+ memset(&tmpActionList, 0, sizeof(RicTmpActionList));
+
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId);
+ return RFAILED;
+ }
+
+ for(ieIdx = 0; ieIdx < ricSubsModReqd->protocolIEs.list.count; ieIdx++)
+ {
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ switch(ricSubsModReqdIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ {
+ ricReqId.requestorId = ricSubsModReqdIe->value.choice.RICrequestID.ricRequestorID;
+ ricReqId.instanceId = ricSubsModReqdIe->value.choice.RICrequestID.ricInstanceID;
+ break;
+ }
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ {
+ ranFuncId = ricSubsModReqdIe->value.choice.RANfunctionID;
+ ranFuncDb = fetchRanFuncFromRanFuncId(duDb, ranFuncId);
+ if(!ranFuncDb)
+ {
+ /* If RIC Subscription not found, send RIC Subscription modification refuse to DU */
+ DU_LOG("\nERROR --> E2AP : ProcRicSubsModReqd: RIC Subscription not found");
+ BuildAndSendRicSubsModRefuse(duId, ricReqId, ranFuncId, CauseE2_PR_ricRequest, \
+ CauseE2RICrequest_ran_function_id_invalid);
+ return RFAILED;
+ }
+
+ ricSubs = fetchSubsInfoFromRicReqId(ricReqId, ranFuncDb, &ricSubsNode);
+ if(!ricSubs)
+ {
+ /* If RAN Function not found, send RIC Subscription modification refuse to DU */
+ DU_LOG("\nERROR --> E2AP : ProcRicSubsModReqd: RAN Function ID [%d] not found",ranFuncId);
+ BuildAndSendRicSubsModRefuse(duId, ricReqId, ranFuncId, \
+ CauseE2_PR_ricRequest, CauseE2RICrequest_request_id_unknown);
+ return RFAILED;
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_RICactionsRequiredToBeModified_List:
+ {
+ actionToBeModList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeModified_List;
+ for(actionIdx = 0; actionIdx < actionToBeModList->list.count; actionIdx++)
+ {
+ actionNode=NULLP;
+ actionToBeMod = (RICaction_RequiredToBeModified_ItemIEs_t *)actionToBeModList->list.array[actionIdx];
+ actionId = actionToBeMod->value.choice.RICaction_RequiredToBeModified_Item.ricActionID;
+ action = fetchActionInfoFromActionId(actionId, ricSubs, &actionNode);
+ if(action)
+ {
+ /* No modification required as of now, hence directly adding to the list */
+ tmpActionList.actionModifiedList[tmpActionList.numActionModified++] = actionId;
+ }
+ else
+ {
+ tmpActionList.actionModFailedList[tmpActionList.numActionModFailed].actionId = actionId;
+ tmpActionList.actionModFailedList[tmpActionList.numActionModFailed].failureType = \
+ CauseE2_PR_ricRequest;
+ tmpActionList.actionModFailedList[tmpActionList.numActionModFailed].cause = \
+ CauseE2RICrequest_action_not_supported;
+ tmpActionList.numActionModFailed++;
+ }
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_RICactionsRequiredToBeRemoved_List:
+ {
+ actionToBeRmvList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeRemoved_List;
+ for(actionIdx = 0; actionIdx < actionToBeRmvList->list.count; actionIdx++)
+ {
+ actionNode=NULLP;
+ actionToBeRmv = (RICaction_RequiredToBeRemoved_ItemIEs_t *)actionToBeRmvList->list.array[actionIdx];
+ actionId = actionToBeRmv->value.choice.RICaction_RequiredToBeRemoved_Item.ricActionID;
+ action = fetchActionInfoFromActionId(actionId, ricSubs, &actionNode);
+ if(action)
+ {
+ tmpActionList.actionRemovedList[tmpActionList.numActionRemoved++] = actionId;
+ cmLListDelFrm(&ricSubs->actionSequence, actionNode);
+ deleteActionSequence(actionNode);
+ }
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ }
+
+ /* If none of the action modification/removal is supported,
+ * send RIC Subscription Modification Refuse
+ * Else
+ * send RIC Subscription Modification Confirm
+ */
+ if(tmpActionList.numActionModified || tmpActionList.numActionRemoved)
+ {
+ BuildAndSendRicSubsModConfirm(duId, ricReqId, ranFuncId, tmpActionList);
+ }
+ else
+ {
+ BuildAndSendRicSubsModRefuse(duId, ricReqId, ranFuncId, CauseE2_PR_ricRequest, \
+ CauseE2RICrequest_action_not_supported);
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Free the ErrorIndication Message
+ *
+ * @details
+ *
+ * Function : FreeRicIndication
+ *
+ * Functionality: Free the ErrorIndication Message
+ *
+ * @return void
+ *
+ *
+ ******************************************************************/
+void FreeErrorIndication(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx = 0;
+ ErrorIndicationE2_t *errorIndicationMsg= NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ errorIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.ErrorIndicationE2;
+ if(errorIndicationMsg!= NULLP)
+ {
+ if(errorIndicationMsg->protocolIEs.list.array != NULLP)
+ {
+ for(arrIdx=0; arrIdx<errorIndicationMsg->protocolIEs.list.count; arrIdx++)
+ {
+ RIC_FREE(errorIndicationMsg->protocolIEs.list.array[arrIdx],sizeof(ErrorIndicationE2_t));
+ }
+ RIC_FREE(errorIndicationMsg->protocolIEs.list.array,errorIndicationMsg->protocolIEs.list.size);
+ }
+ }
+ RIC_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+
+/*******************************************************************
+ *
+ * @brief Builds and Send the ErrorIndication Message
+ *
+ * @details
+ *
+ * Function : BuildAndSendErrorIndication
+ *
+ * Functionality:Fills the ErrorIndication Message
+ *
+ * @params[in]
+ * DU id
+ * Trans id
+ * Ric req id
+ * Ran function id
+ * Reason of failure
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildAndSendErrorIndication(uint32_t duId, int8_t transId, RicRequestId requestId, uint16_t ranFuncId, uint8_t reason)
+{
+ uint8_t elementCnt =0, arrIdx=0, ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ ErrorIndicationE2_t *errorIndicationMsg=NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ while(true)
+ {
+ DU_LOG("\nINFO --> E2AP : Building Error Indication Message\n");
+
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed in %s at line %d",__func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ RIC_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed in %s at line %d",__func__, __LINE__);
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_ErrorIndicationE2;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_ErrorIndicationE2;
+
+ errorIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.ErrorIndicationE2;
+
+ /* Element count is 2 for TransactionID/RICrequestID and Cause.
+ * If the RAN function id is present, the count will be increased.*/
+ elementCnt = 2;
+ if(ranFuncId>0)
+ elementCnt++;
+
+ errorIndicationMsg->protocolIEs.list.count = elementCnt;
+ errorIndicationMsg->protocolIEs.list.size = elementCnt * sizeof(ErrorIndicationE2_IEs_t*);
+
+ /* Initialize the E2Setup members */
+ RIC_ALLOC(errorIndicationMsg->protocolIEs.list.array, errorIndicationMsg->protocolIEs.list.size);
+ if(errorIndicationMsg->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for array elements in %s at line %d",__func__, __LINE__);
+ break;
+ }
+ for(arrIdx = 0; arrIdx < elementCnt; (arrIdx)++)
+ {
+ RIC_ALLOC(errorIndicationMsg->protocolIEs.list.array[arrIdx], sizeof(ErrorIndicationE2_IEs_t));
+ if(errorIndicationMsg->protocolIEs.list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for array Idx %d in %s at line %d",arrIdx,__func__, __LINE__);
+ break;
+ }
+ }
+ if(arrIdx < elementCnt)
+ break;
+
+ arrIdx = 0;
+
+ if(transId >=0 && transId<=255)
+ {
+ /* TransactionID */
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.present = ErrorIndicationE2_IEs__value_PR_TransactionID;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.choice.TransactionID = transId;
+ }
+ else
+ {
+ /* RICrequestID */
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RICrequestID;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.present = ErrorIndicationE2_IEs__value_PR_RICrequestID;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.choice.RICrequestID.ricRequestorID = requestId.requestorId;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.choice.RICrequestID.ricInstanceID = requestId.instanceId;
+ }
+
+ if(ranFuncId>0)
+ {
+ /* RAN Function ID */
+ arrIdx++;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionID;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.present = ErrorIndicationE2_IEs__value_PR_RANfunctionID;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionID = ranFuncId;
+ }
+
+ /* Cause */
+ arrIdx++;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_CauseE2;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_ignore;
+ errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.present = ErrorIndicationE2_IEs__value_PR_CauseE2;
+ fillE2FailureCause(&errorIndicationMsg->protocolIEs.list.array[arrIdx]->value.choice.CauseE2, CauseE2_PR_misc, reason);
+
+
+ /* 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 Error Indication Message (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for Error Indication Message \n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duId) != ROK)
+ {
+ DU_LOG("\nINFO --> E2AP : Sending Error Indication Message");
+
+ }
+ ret = ROK;
+ break;
+ }
+ FreeErrorIndication(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for ResetRequest msg
+ *
+ * @details
+ *
+ * Function : FreeResetRequest
+ *
+ * Functionality:
+ * - freeing the memory allocated for ResetRequest
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeResetRequest(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++)
+ {
+ RIC_FREE(resetReq->protocolIEs.list.array[ieIdx], sizeof(ResetRequestIEs_t));
+ }
+ RIC_FREE(resetReq->protocolIEs.list.array, resetReq->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Build and send the reset request msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendResetRequest
+ *
+ * Functionality:
+ * - Buld and send the reset request msg to E2 node
+ *
+ * @params[in]
+ * DU database
+ * Type of failure
+ * Cause of failure
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendResetRequest(DuDb *duDb, CauseE2_PR causePresent, uint8_t reason)
+{
+ uint8_t ieIdx = 0, elementCnt = 0, transId = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ ResetRequestE2_t *resetReq = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building Reset Request\n");
+
+ do
+ {
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetRequest(): Memory allocation for E2AP-PDU failed");
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ RIC_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetRequest(): 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 *);
+
+ RIC_ALLOC(resetReq->protocolIEs.list.array, resetReq->protocolIEs.list.size);
+ if(!resetReq->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetRequest(): Memory allocation failed for \
+ Reset Request IE array");
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ RIC_ALLOC(resetReq->protocolIEs.list.array[ieIdx], sizeof(ResetRequestIEs_t));
+ if(!resetReq->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetRequest(): 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(duDb);
+ 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;
+ fillE2FailureCause(&resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2, causePresent, reason);
+
+ /* 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(RIC_APP_MEM_REG, RIC_POOL, duDb->duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Sending reset request failed");
+ break;
+ }
+
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ /* Free all memory */
+ FreeResetRequest(e2apMsg);
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Delete Ric subscription action
+ *
+ * @details
+ *
+ * Function : deleteActionSequence
+ *
+ * Functionality: Delete Ric subscription action
+ *
+ * @params[in] Action info
+ *
+ * @return void
+ *
+ * ****************************************************************/
+void deleteActionSequence(CmLList *actionNode)
+{
+ ActionInfo *action = NULLP;
+
+ if(actionNode)
+ {
+ action = (ActionInfo*)actionNode->node;
+ memset(action, 0, sizeof(ActionInfo));
+ RIC_FREE(actionNode->node, sizeof(ActionInfo));
+ RIC_FREE(actionNode, sizeof(CmLList));
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Delete Ric subscription action list
+ *
+ * @details
+ *
+ * Function : deleteActionSequenceList
+ *
+ * Functionality: Delete Ric subscription action list
+ *
+ * @params[in] Action info list
+ *
+ * @return void
+ *
+ * ****************************************************************/
+void deleteActionSequenceList(CmLListCp *actionList)
+{
+ CmLList *actionNode=NULLP;
+
+ CM_LLIST_FIRST_NODE(actionList, actionNode);
+ while(actionNode)
+ {
+ cmLListDelFrm(actionList, actionNode);
+ deleteActionSequence(actionNode);
+ CM_LLIST_FIRST_NODE(actionList, actionNode);
+ }
+
+}
+
+/******************************************************************
+ *
+ * @brief Delete Ric subscription node
+ *
+ * @details
+ *
+ * Function : deleteRicSubscriptionNode
+ *
+ * Functionality: Delete Ric subscription node
+ *
+ * @params[in] Ric subscription info
+ *
+ * @return void
+ *
+ * ****************************************************************/
+void deleteRicSubscriptionNode(CmLList *subscriptionNode)
+{
+ uint8_t actionIdx=0;
+ RicSubscription *ricSubscriptionInfo = NULLP;
+
+ ricSubscriptionInfo = (RicSubscription*)subscriptionNode->node;
+
+ deleteActionSequenceList(&ricSubscriptionInfo->actionSequence);
+
+ memset(ricSubscriptionInfo, 0, sizeof(RicSubscription));
+ RIC_FREE(subscriptionNode->node, sizeof(RicSubscription));
+ RIC_FREE(subscriptionNode, sizeof(CmLList));
+}
+
+/*******************************************************************
+ *
+ * @brief Delete RIC subscription List
+ *
+ * @details
+ *
+ * Function : deleteRicSubscriptionList
+ *
+ * Functionality: Delete RIC subscription list
+ *
+ * @params[in] RIC Subscription list
+ * @return void
+
+ *
+ ******************************************************************/
+void deleteRicSubscriptionList(CmLListCp *subscriptionList)
+{
+ CmLList *subscriptionNode = NULLP;
+
+ CM_LLIST_FIRST_NODE(subscriptionList, subscriptionNode);
+ while(subscriptionNode)
+ {
+ cmLListDelFrm(subscriptionList, subscriptionNode);
+ deleteRicSubscriptionNode(subscriptionNode);
+ CM_LLIST_FIRST_NODE(subscriptionList, subscriptionNode);
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief process the E2 Reset Response
+ *
+ * @details
+ *
+ * Function : ProcResetResponse
+ *
+ * Functionality: Process E2 Reset Response
+ *
+ * @params[in]
+ * du Id
+ * Pointer to reset response
+ * @return void
+ *
+ ******************************************************************/
+
+void ProcResetResponse(uint32_t duId, ResetResponseE2_t *resetRsp)
+{
+ uint8_t ieIdx = 0, duIdx =0;
+ DuDb *duDb = NULLP;
+ RanFunction *ranFuncDb = NULLP;
+ uint16_t ranFuncIdx = 0;
+
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId);
+ return;
+ }
+
+ if(!resetRsp)
+ {
+ DU_LOG("\nERROR --> E2AP : resetRsp pointer is null");
+ return;
+ }
+
+ if(!resetRsp->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : resetRsp array pointer is null");
+ return;
+ }
+
+ for(ieIdx=0; ieIdx < resetRsp->protocolIEs.list.count; ieIdx++)
+ {
+ if(resetRsp->protocolIEs.list.array[ieIdx])
+ {
+ switch(resetRsp->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ for(ranFuncIdx = 0; ranFuncIdx < MAX_RAN_FUNCTION; ranFuncIdx++)
+ {
+ ranFuncDb = &duDb->ranFunction[ranFuncIdx];
+ if(ranFuncDb->id > 0)
+ {
+ deleteRicSubscriptionList(&ranFuncDb->subscriptionList);
+ }
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_CriticalityDiagnosticsE2:
+ {
+ break;
+ }
+ }
+ }
+ }
+}
+
+
+/*******************************************************************
+ *
+ * @brief process the E2 Reset Request
+ *
+ * @details
+ *
+ * Function : ProcResetRequest
+ *
+ * Functionality: Process E2 Reset Request
+ *
+ * @params[in]
+ * du Id
+ * Pointer to reset response
+ * @return void
+ *
+ ******************************************************************/
+
+void ProcResetRequest(uint32_t duId, ResetRequestE2_t *resetReq)
+{
+ uint8_t ieIdx = 0, duIdx =0, transId=0;
+ DuDb *duDb = NULLP;
+ RanFunction *ranFuncDb = NULLP;
+ uint16_t ranFuncIdx = 0;
+
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId);
+ return;
+ }
+
+ if(!resetReq)
+ {
+ DU_LOG("\nERROR --> E2AP : resetReq pointer is null");
+ return;
+ }
+
+ if(!resetReq->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : resetReq array pointer is null");
+ return;
+ }
+
+ for(ieIdx=0; ieIdx < resetReq->protocolIEs.list.count; ieIdx++)
+ {
+ if(resetReq->protocolIEs.list.array[ieIdx])
+ {
+ switch(resetReq->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = resetReq->protocolIEs.list.array[ieIdx]->value.choice.TransactionID;
+ break;
+ }
+ case ProtocolIE_IDE2_id_CauseE2:
+ {
+ for(ranFuncIdx = 0; ranFuncIdx < MAX_RAN_FUNCTION; ranFuncIdx++)
+ {
+ ranFuncDb = &duDb->ranFunction[ranFuncIdx];
+ if(ranFuncDb->id > 0)
+ {
+ deleteRicSubscriptionList(&ranFuncDb->subscriptionList);
+ }
+ }
+ break;
+ }
+ }
+ }
+ }
+
+ if(BuildAndSendResetResponse(duId, transId) !=ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send reset response");
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Free RIC Subscription Delete Request Message
+ *
+ * @details
+ *
+ * Function : FreeRicSubscriptionDeleteRequest
+ *
+ * Functionality: Free RIC Subscription Delete Request
+ *
+ * @param E2AP Message PDU
+ * @return void
+ *
+ ******************************************************************/
+void FreeRicSubscriptionDeleteRequest(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx = 0, arrIdx = 0;
+ RICsubscriptionDeleteRequest_t *ricSubsDelReq = NULLP;
+
+ if(e2apMsg)
+ {
+ if(e2apMsg->choice.initiatingMessage)
+ {
+ ricSubsDelReq = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionDeleteRequest;
+ if(ricSubsDelReq->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < ricSubsDelReq->protocolIEs.list.count; ieIdx++)
+ {
+ RIC_FREE(ricSubsDelReq->protocolIEs.list.array[ieIdx], sizeof(RICsubscriptionDeleteRequired_IEs_t));
+ }
+ RIC_FREE(ricSubsDelReq->protocolIEs.list.array, ricSubsDelReq->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));;
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send RIC Subscription delete request
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicSubscriptionDeleteRequest
+ *
+ * Functionality: Build and send RIC subscription delete request.
+ *
+ * @params[in] DU ID
+ * RIC subscription info to be deleted
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t BuildAndSendRicSubscriptionDeleteRequest(uint32_t duId, RicSubscription *ricSubsDb)
+{
+ uint8_t elementCnt = 0, ieIdx = 0, ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ RICsubscriptionDeleteRequest_t *ricSubsDelReq = NULLP;
+ RICsubscriptionDeleteRequest_IEs_t *ricSubsDelReqIe = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ while(true)
+ {
+ DU_LOG("\nINFO --> E2AP : Building RIC Subscription Delete Request Message\n");
+
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation for E2AP-PDU failed at line %d",__func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ RIC_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation for E2AP-PDU failed at line %d",__func__, __LINE__);
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICsubscriptionDelete;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICsubscriptionDeleteRequest;
+
+ ricSubsDelReq = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionDeleteRequest;
+
+ elementCnt = 2;
+ ricSubsDelReq->protocolIEs.list.count = elementCnt;
+ ricSubsDelReq->protocolIEs.list.size = elementCnt * sizeof(RICsubscriptionDeleteRequest_IEs_t *);
+
+ RIC_ALLOC(ricSubsDelReq->protocolIEs.list.array, ricSubsDelReq->protocolIEs.list.size);
+ if(ricSubsDelReq->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed for array elements at line %d",__func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ RIC_ALLOC(ricSubsDelReq->protocolIEs.list.array[ieIdx], sizeof(RICsubscriptionDeleteRequest_IEs_t));
+ if(ricSubsDelReq->protocolIEs.list.array[ieIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed for index [%d] at line %d", \
+ __func__, ieIdx, __LINE__);
+ break;
+ }
+ }
+ if(ieIdx < elementCnt)
+ break;
+
+ /* RIC Request ID */
+ ieIdx = 0;
+ ricSubsDelReqIe = ricSubsDelReq->protocolIEs.list.array[ieIdx];
+ ricSubsDelReqIe->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricSubsDelReqIe->criticality = CriticalityE2_reject;
+ ricSubsDelReqIe->value.present = RICsubscriptionDeleteRequest_IEs__value_PR_RICrequestID;
+ ricSubsDelReqIe->value.choice.RICrequestID.ricRequestorID = ricSubsDb->requestId.requestorId;
+ ricSubsDelReqIe->value.choice.RICrequestID.ricInstanceID = ricSubsDb->requestId.instanceId;
+
+ /* RAN Function ID */
+ ieIdx++;
+ ricSubsDelReqIe = ricSubsDelReq->protocolIEs.list.array[ieIdx];
+ ricSubsDelReqIe->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricSubsDelReqIe->criticality = CriticalityE2_reject;
+ ricSubsDelReqIe->value.present = RICsubscriptionDeleteRequest_IEs__value_PR_RANfunctionID;
+ ricSubsDelReqIe->value.choice.RANfunctionID = ricSubsDb->ranFuncId;
+
+ /* 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 Delete Request 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 Delete Request Message \n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send RIC Susbcription Delete Request Message");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }
+
+ FreeRicSubscriptionDeleteRequest(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Processing of RIC Subscription Delete Required
+ *
+ * @details
+ *
+ * Function : ProcRicSubsDeleteReqd
+ *
+ * Functionality: Processing of RIC Subscription Delete Required
+ * When received, RIC stub will initiate the RIC subscription
+ * deletion procedure towards DU
+ *
+ * @param DU ID
+ * RIC Subscription Delete Required IEs
+ * @return ROK-success
+ * RFAILED-failure
+ *
+ ******************************************************************/
+uint8_t ProcRicSubsDeleteReqd(uint32_t duId, RICsubscriptionDeleteRequired_t *ricSubsDelRqd)
+{
+ uint8_t ieIdx = 0, duIdx = 0;
+ uint16_t arrIdx = 0;
+ DuDb *duDb = NULLP;
+ RicRequestId ricReqId;
+ RanFunction *ranFuncDb = NULLP;
+ RicSubscription *subsDb = NULLP;
+ CmLList *ricSubsNode = NULLP;
+
+ RICsubscriptionDeleteRequired_IEs_t *ricSubsDelRqdIe = NULLP;
+ RICsubscription_List_withCause_t *ricSubsList = NULLP;
+ RICsubscription_withCause_Item_t *subsItem = NULLP;
+
+ memset(&ricReqId, 0, sizeof(RicRequestId));
+
+ if(!ricSubsDelRqd)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Received NULL message", __func__);
+ return RFAILED;
+ }
+
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId);
+ return RFAILED;
+ }
+
+ for(ieIdx = 0; ieIdx < ricSubsDelRqd->protocolIEs.list.count; ieIdx++)
+ {
+ ricSubsDelRqdIe = ricSubsDelRqd->protocolIEs.list.array[ieIdx];
+ switch(ricSubsDelRqdIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICsubscriptionToBeRemoved:
+ {
+ ricSubsList = &ricSubsDelRqdIe->value.choice.RICsubscription_List_withCause;
+ for(arrIdx = 0; arrIdx < ricSubsList->list.count; arrIdx++)
+ {
+ subsItem = &(((RICsubscription_withCause_ItemIEs_t *)ricSubsList->list.array[arrIdx])->\
+ value.choice.RICsubscription_withCause_Item);
+ ranFuncDb = fetchRanFuncFromRanFuncId(duDb, subsItem->ranFunctionID);
+ if(!ranFuncDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: RAN Function ID [%ld] not found", __func__, subsItem->ranFunctionID);
+ return RFAILED;
+ }
+
+ ricReqId.requestorId = subsItem->ricRequestID.ricRequestorID;
+ ricReqId.instanceId = subsItem->ricRequestID.ricInstanceID;
+ subsDb = fetchSubsInfoFromRicReqId(ricReqId, ranFuncDb, &ricSubsNode);
+ if(!subsDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: RIC Subscription not found for Requestor_ID [%ld] Instance_ID [%ld]", \
+ __func__, subsItem->ricRequestID.ricRequestorID, subsItem->ricRequestID.ricInstanceID);
+ return RFAILED;
+ }
+
+ /* Delete RIC Subcription from RAN Function */
+ cmLListDelFrm(&ranFuncDb->subscriptionList, ricSubsNode);
+
+ /* Send RIC Subscription delete request and then free any memory
+ * allocated to store subscription info at RIC */
+ BuildAndSendRicSubscriptionDeleteRequest(duId, (RicSubscription *)ricSubsNode->node);
+ deleteRicSubscriptionNode(ricSubsNode);
+ }
+
+ break;
+ }
+ default:
+ break;
+ }
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate memory allocated for E2nodeConfigurationUpdate
+ *
+ * @details
+ *
+ * Function : freeE2NodeConfigItem
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2nodeConfigurationUpdate
+ *
+ * @params[in]
+ * uint8_t protocolIe
+ * PTR to e2NodeCfg which is to be freed
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void freeE2NodeConfigItem(uint8_t protocolIe, PTR e2NodeCfg)
+{
+ E2nodeComponentConfigurationAck_t *cfgAck =NULLP;
+ E2nodeComponentInterfaceF1_t *f1InterfaceInfo=NULLP;
+ E2nodeComponentConfigAdditionAck_Item_t *e2NodeAdditionAckItemIe=NULLP;
+ E2nodeComponentConfigRemovalAck_Item_t *e2NodeRemovalAckItemIe=NULLP;
+ E2nodeComponentConfigUpdateAck_Item_t *e2NodeUpdateAckItemIe=NULLP;
+
+ /* Extracting the component interface and configuration ack information from
+ * e2NodeCfg based on the protocol id */
+ switch(protocolIe)
+ {
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigAdditionAck:
+ {
+ e2NodeAdditionAckItemIe= (E2nodeComponentConfigAdditionAck_Item_t*)e2NodeCfg;
+ switch(e2NodeAdditionAckItemIe->e2nodeComponentInterfaceType)
+ {
+ case E2nodeComponentInterfaceType_f1:
+ {
+ f1InterfaceInfo = e2NodeAdditionAckItemIe->e2nodeComponentID.choice.e2nodeComponentInterfaceTypeF1;
+ break;
+ }
+ default:
+ {
+ break;
+ }
+
+ }
+ cfgAck = &e2NodeAdditionAckItemIe->e2nodeComponentConfigurationAck;
+ }
+
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigUpdateAck:
+ {
+ e2NodeUpdateAckItemIe = (E2nodeComponentConfigUpdateAck_Item_t*)e2NodeCfg;
+ switch(e2NodeUpdateAckItemIe->e2nodeComponentInterfaceType)
+ {
+ case E2nodeComponentInterfaceType_f1:
+ {
+ f1InterfaceInfo = e2NodeUpdateAckItemIe->e2nodeComponentID.choice.e2nodeComponentInterfaceTypeF1;
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+ cfgAck = &e2NodeUpdateAckItemIe->e2nodeComponentConfigurationAck;
+ }
+
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigRemovalAck:
+ {
+ e2NodeRemovalAckItemIe= (E2nodeComponentConfigRemovalAck_Item_t*)e2NodeCfg;
+ switch(e2NodeRemovalAckItemIe->e2nodeComponentInterfaceType)
+ {
+ case E2nodeComponentInterfaceType_f1:
+ {
+ f1InterfaceInfo = e2NodeRemovalAckItemIe->e2nodeComponentID.choice.e2nodeComponentInterfaceTypeF1;
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+ cfgAck = &e2NodeRemovalAckItemIe->e2nodeComponentConfigurationAck;
+ }
+ }
+
+ /* Freeing the memory allocated to component interface and configuration ack */
+ if(f1InterfaceInfo)
+ {
+ RIC_FREE(f1InterfaceInfo->gNB_DU_ID.buf, f1InterfaceInfo->gNB_DU_ID.size);
+ RIC_FREE(f1InterfaceInfo, sizeof(E2nodeComponentInterfaceF1_t));
+ }
+
+ switch(cfgAck->updateOutcome)
+ {
+ case E2nodeComponentConfigurationAck__updateOutcome_success:
+ break;
+ case E2nodeComponentConfigurationAck__updateOutcome_failure:
+ {
+ RIC_FREE(cfgAck->failureCauseE2, sizeof(CauseE2_t));
+ break;
+ }
+ }
+
+}
+
+/*******************************************************************
+ *
+ * @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 FreeE2NodeConfigUpdateAck(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0, e2NodeConfigIdx=0;
+ E2nodeConfigurationUpdateAcknowledge_t *updateAckMsg=NULL;
+ E2nodeComponentConfigUpdateAck_ItemIEs_t *updateAckItemIe=NULL;
+ E2nodeComponentConfigUpdateAck_List_t *updateAckList=NULL;
+ E2nodeComponentConfigRemovalAck_ItemIEs_t *removalAckItemIe=NULL;
+ E2nodeComponentConfigRemovalAck_List_t *removalAckList=NULL;
+ E2nodeComponentConfigAdditionAck_ItemIEs_t *additionAckItemIte=NULL;
+ E2nodeComponentConfigAdditionAck_List_t *additionAckList=NULL;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.successfulOutcome != NULLP)
+ {
+ updateAckMsg = &e2apMsg->choice.successfulOutcome->value.choice.E2nodeConfigurationUpdateAcknowledge;
+ if(updateAckMsg->protocolIEs.list.array != NULLP)
+ {
+ for(arrIdx = 0; arrIdx < updateAckMsg->protocolIEs.list.count; arrIdx++)
+ {
+ if(updateAckMsg->protocolIEs.list.array[arrIdx])
+ {
+ switch(updateAckMsg->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigAdditionAck:
+ {
+ additionAckList =&updateAckMsg->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAdditionAck_List;
+ if(additionAckList->list.array)
+ {
+ for(e2NodeConfigIdx=0; e2NodeConfigIdx<additionAckList->list.count; e2NodeConfigIdx++)
+ {
+ additionAckItemIte = (E2nodeComponentConfigAdditionAck_ItemIEs_t*) additionAckList->list.array[e2NodeConfigIdx];
+ if(additionAckItemIte)
+ {
+ freeE2NodeConfigItem(ProtocolIE_IDE2_id_E2nodeComponentConfigAdditionAck,\
+ (PTR)&additionAckItemIte->value.choice.E2nodeComponentConfigAdditionAck_Item);
+ RIC_FREE(additionAckItemIte, sizeof(E2nodeComponentConfigAdditionAck_ItemIEs_t));
+ }
+ }
+ RIC_FREE(additionAckList->list.array, additionAckList->list.size);
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigUpdateAck:
+ {
+ updateAckList =&updateAckMsg->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigUpdateAck_List;
+ if(updateAckList->list.array)
+ {
+ for(e2NodeConfigIdx=0; e2NodeConfigIdx<updateAckList->list.count; e2NodeConfigIdx++)
+ {
+ updateAckItemIe = (E2nodeComponentConfigUpdateAck_ItemIEs_t*) updateAckList->list.array[e2NodeConfigIdx];
+ if(updateAckItemIe)
+ {
+ freeE2NodeConfigItem(ProtocolIE_IDE2_id_E2nodeComponentConfigUpdateAck,\
+ (PTR)&updateAckItemIe->value.choice.E2nodeComponentConfigUpdateAck_Item);
+ RIC_FREE(updateAckItemIe, sizeof(E2nodeComponentConfigUpdateAck_ItemIEs_t));
+ }
+ }
+ RIC_FREE(updateAckList->list.array, updateAckList->list.size);
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigRemovalAck:
+ {
+ removalAckList =&updateAckMsg->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigRemovalAck_List;
+ if(removalAckList->list.array)
+ {
+ for(e2NodeConfigIdx=0; e2NodeConfigIdx<removalAckList->list.count; e2NodeConfigIdx++)
+ {
+ removalAckItemIe = (E2nodeComponentConfigRemovalAck_ItemIEs_t*) removalAckList->list.array[e2NodeConfigIdx];
+ if(removalAckItemIe)
+ {
+ freeE2NodeConfigItem(ProtocolIE_IDE2_id_E2nodeComponentConfigRemovalAck,\
+ (PTR)&removalAckItemIe->value.choice.E2nodeComponentConfigRemovalAck_Item);
+ RIC_FREE(removalAckItemIe, sizeof(E2nodeComponentConfigRemovalAck_ItemIEs_t));
+ }
+ }
+ RIC_FREE(removalAckList->list.array, removalAckList->list.size);
+ }
+ break;
+ }
+ }
+ RIC_FREE(updateAckMsg->protocolIEs.list.array[arrIdx], sizeof(E2nodeConfigurationUpdateAcknowledge_IEs_t));
+ }
+ }
+ RIC_FREE(updateAckMsg->protocolIEs.list.array, updateAckMsg->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Build E2node Component config Removal ack list
+ *
+ * @details
+ *
+ * Function : BuildE2nodeComponentConfigRemovalAck
+ *
+ * Functionality: Build the e2 node remove ack
+ *
+ * @params[in]
+ * E2nodeComponentConfigRemovalAck_List_t to be filled
+ * Count of e2 node to be removed
+ * list of e2 node cfg to be removed
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t BuildE2nodeComponentConfigRemovalAck(E2nodeComponentConfigRemovalAck_List_t *e2NodeConfigRemovalAckList,\
+uint16_t removalE2NodeCount, E2NodeConfigItem *removaldE2Node)
+{
+ uint8_t arrIdx = 0;
+ E2nodeComponentConfigRemovalAck_ItemIEs_t *e2NodeRemovalAckItem=NULL;
+
+ /* Filling the e2 node config removal ack list */
+ e2NodeConfigRemovalAckList->list.count = removalE2NodeCount;
+ e2NodeConfigRemovalAckList->list.size = e2NodeConfigRemovalAckList->list.count * sizeof(E2nodeComponentConfigRemovalAck_ItemIEs_t*);
+ RIC_ALLOC(e2NodeConfigRemovalAckList->list.array, e2NodeConfigRemovalAckList->list.size);
+ if(e2NodeConfigRemovalAckList->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed for BuildE2nodeComponentConfigRemovalAck %d",__LINE__);
+ return RFAILED;
+ }
+
+ for(arrIdx = 0; arrIdx< e2NodeConfigRemovalAckList->list.count; arrIdx++)
+ {
+ RIC_ALLOC(e2NodeConfigRemovalAckList->list.array[arrIdx], sizeof(E2nodeComponentConfigRemovalAck_ItemIEs_t));
+ if(e2NodeConfigRemovalAckList->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed for BuildE2nodeComponentConfigRemovalAck %d",__LINE__);
+ return RFAILED;
+ }
+ e2NodeRemovalAckItem = (E2nodeComponentConfigRemovalAck_ItemIEs_t*) e2NodeConfigRemovalAckList->list.array[arrIdx];
+ e2NodeRemovalAckItem->id = ProtocolIE_IDE2_id_E2nodeComponentConfigRemovalAck_Item;
+ e2NodeRemovalAckItem->criticality = CriticalityE2_reject;
+ e2NodeRemovalAckItem->value.present = E2nodeComponentConfigRemovalAck_ItemIEs__value_PR_E2nodeComponentConfigRemovalAck_Item;
+
+ /* Filling the e2 node config removal ack item */
+ fillE2NodeConfigAck((PTR)&e2NodeRemovalAckItem->value.choice.E2nodeComponentConfigRemovalAck_Item, ProtocolIE_IDE2_id_E2nodeComponentConfigRemovalAck,\
+ &removaldE2Node[arrIdx].componentInfo, removaldE2Node[arrIdx].isSuccessful);
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Build E2node Component config update ack list
+ *
+ * @details
+ *
+ * Function : BuildE2nodeComponentConfigUpdateAck
+ *
+ * Functionality: Build E2node Component config update ack list
+ *
+ * @params[in]
+ * E2nodeComponentConfigUpdateAck_List to be filled
+ * Count of e2 node to be update
+ * list of e2 node cfg to be update
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t BuildE2nodeComponentConfigUpdateAck(E2nodeComponentConfigUpdateAck_List_t *e2NodeConfigUpdateAckList,\
+uint16_t updatedE2NodeCount, E2NodeConfigItem *updatedE2Node)
+{
+ uint8_t arrIdx = 0;
+ E2nodeComponentConfigUpdateAck_ItemIEs_t *e2NodeUpdateAckItem=NULL;
+
+ /* Filling the e2 node config update ack list */
+ e2NodeConfigUpdateAckList->list.count = updatedE2NodeCount;
+ e2NodeConfigUpdateAckList->list.size = e2NodeConfigUpdateAckList->list.count * sizeof(E2nodeComponentConfigUpdateAck_ItemIEs_t*);
+ RIC_ALLOC(e2NodeConfigUpdateAckList->list.array, e2NodeConfigUpdateAckList->list.size);
+ if(e2NodeConfigUpdateAckList->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed for BuildE2nodeComponentConfigUpdateAck %d",__LINE__);
+ return RFAILED;
+ }
+
+ for(arrIdx = 0; arrIdx< e2NodeConfigUpdateAckList->list.count; arrIdx++)
+ {
+ RIC_ALLOC(e2NodeConfigUpdateAckList->list.array[arrIdx], sizeof(E2nodeComponentConfigUpdateAck_ItemIEs_t));
+ if(e2NodeConfigUpdateAckList->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed for BuildE2nodeComponentConfigUpdateAck %d",__LINE__);
+ return RFAILED;
+ }
+ e2NodeUpdateAckItem = (E2nodeComponentConfigUpdateAck_ItemIEs_t*) e2NodeConfigUpdateAckList->list.array[arrIdx];
+ e2NodeUpdateAckItem->id = ProtocolIE_IDE2_id_E2nodeComponentConfigUpdateAck_Item;
+ e2NodeUpdateAckItem->criticality = CriticalityE2_reject;
+ e2NodeUpdateAckItem->value.present = E2nodeComponentConfigUpdateAck_ItemIEs__value_PR_E2nodeComponentConfigUpdateAck_Item;
+
+ /* Filling the e2 node config update ack item */
+ fillE2NodeConfigAck((PTR)&e2NodeUpdateAckItem->value.choice.E2nodeComponentConfigUpdateAck_Item, ProtocolIE_IDE2_id_E2nodeComponentConfigUpdateAck,\
+ &updatedE2Node[arrIdx].componentInfo, updatedE2Node[arrIdx].isSuccessful);
+
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 node config update ack msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2NodeConfigUpdateAck
+ *
+ * Functionality:
+ * - Buld and send the E2 node config update ack msg
+ * @params[in]
+ * DU databse
+ * transId
+ * list of E2 node cfg which needs to fill in IEs
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendE2NodeConfigUpdateAck(DuDb *duDb, uint8_t transId, E2NodeConfigList *e2NodeList)
+{
+ uint8_t ret = RFAILED;
+ uint8_t arrIdx = 0,elementCnt = 0;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ asn_enc_rval_t encRetVal;
+ E2nodeConfigurationUpdateAcknowledge_t *e2NodeConfigUpdateAck = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Node config update Ack Message\n");
+ do
+ {
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__,__LINE__);
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_successfulOutcome;
+ RIC_ALLOC(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ if(e2apMsg->choice.successfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__,__LINE__);
+ break;
+ }
+
+ e2apMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.successfulOutcome->procedureCode = ProcedureCodeE2_id_E2nodeConfigurationUpdate;
+ e2apMsg->choice.successfulOutcome->value.present = SuccessfulOutcomeE2__value_PR_E2nodeConfigurationUpdateAcknowledge;
+ e2NodeConfigUpdateAck = &e2apMsg->choice.successfulOutcome->value.choice.E2nodeConfigurationUpdateAcknowledge;
+
+ elementCnt =1;
+ if(e2NodeList->addedE2NodeCount)
+ elementCnt++;
+ if(e2NodeList->updatedE2NodeCount)
+ elementCnt++;
+ if(e2NodeList->removedE2NodeCount)
+ elementCnt++;
+
+ e2NodeConfigUpdateAck->protocolIEs.list.count = elementCnt;
+ e2NodeConfigUpdateAck->protocolIEs.list.size = elementCnt * sizeof(E2nodeConfigurationUpdateAcknowledge_IEs_t*);
+ RIC_ALLOC(e2NodeConfigUpdateAck->protocolIEs.list.array, e2NodeConfigUpdateAck->protocolIEs.list.size);
+ if(e2NodeConfigUpdateAck->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__,__LINE__);
+ break;
+ }
+
+ for(arrIdx =0; arrIdx<elementCnt; arrIdx++)
+ {
+ RIC_ALLOC(e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx], sizeof(E2nodeConfigurationUpdateAcknowledge_IEs_t));
+ if(e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx] == NULLP)
+ {
+
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__,__LINE__);
+ break;
+ }
+ }
+
+ if(arrIdx<elementCnt)
+ break;
+
+ arrIdx = 0;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdateAcknowledge_IEs__value_PR_TransactionID;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.choice.TransactionID = transId;
+
+ if(e2NodeList->addedE2NodeCount)
+ {
+ arrIdx++;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_E2nodeComponentConfigAdditionAck;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdateAcknowledge_IEs__value_PR_E2nodeComponentConfigAdditionAck_List;
+ if(BuildE2nodeComponentConfigAdditionAck(&e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAdditionAck_List,\
+ e2NodeList->addedE2NodeCount, e2NodeList->addedE2Node)!=ROK)
+
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build E2Node Component config addition ack list");
+ break;
+ }
+ }
+ if(e2NodeList->updatedE2NodeCount)
+ {
+ arrIdx++;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_E2nodeComponentConfigUpdateAck;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdateAcknowledge_IEs__value_PR_E2nodeComponentConfigUpdateAck_List;
+ if(BuildE2nodeComponentConfigUpdateAck(&e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigUpdateAck_List,\
+ e2NodeList->updatedE2NodeCount, e2NodeList->updatedE2Node)!=ROK)
+
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build E2Node Component config update ack list");
+ break;
+ }
+ }
+ if(e2NodeList->removedE2NodeCount)
+ {
+ arrIdx++;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_E2nodeComponentConfigRemovalAck;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdateAcknowledge_IEs__value_PR_E2nodeComponentConfigRemovalAck_List;
+ if(BuildE2nodeComponentConfigRemovalAck(&e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigRemovalAck_List,\
+ e2NodeList->removedE2NodeCount, e2NodeList->removedE2Node)!=ROK)
+
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build E2Node Component config removal ack list");
+ break;
+ }
+ }
+ 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 E2 Node config update ack structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2 Node config update ack \n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+
+ /* Sending msg */
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duDb->duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Node config update ack ");
+ break;
+ }
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2NodeConfigUpdateAck(e2apMsg);
+ return ret;
+}
+
+
+/******************************************************************
+ *
+ * @brief Processes the E2 removal failure msg
+ *
+ * @details
+ *
+ * Function : procE2RemovalFailure
+ *
+ * Functionality: Processes the E2 removal failure msg
+ *
+ * @params[in]
+ * E2 Removal Failure information
+ *
+ * @return void
+ *
+ * ****************************************************************/
+void ProcE2RemovalFailure(E2RemovalFailure_t *e2RemovalFailure)
+{
+ uint8_t ieIdx = 0, transId=0;
+ CauseE2_t *cause = NULLP;
+
+ if(!e2RemovalFailure)
+ {
+ DU_LOG("\nERROR --> E2AP : e2RemovalFailure pointer is null");
+ return;
+ }
+
+ if(!e2RemovalFailure->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : e2RemovalFailure array pointer is null");
+ return;
+ }
+
+ for(ieIdx=0; ieIdx < e2RemovalFailure->protocolIEs.list.count; ieIdx++)
+ {
+ if(e2RemovalFailure->protocolIEs.list.array[ieIdx])
+ {
+ switch(e2RemovalFailure->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.choice.TransactionID;
+ DU_LOG("\nERROR --> E2AP : Received transID %d", transId);
+ break;
+ }
+ case ProtocolIE_IDE2_id_CauseE2:
+ {
+ cause = &e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.choice.CauseE2;
+ printE2ErrorCause(cause);
+ break;
+ }
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : Received Invalid Ie [%d]", e2RemovalFailure->protocolIEs.list.array[ieIdx]->id);
+ break;
+ }
+ }
+ }
+ }
+}
+/*******************************************************************
+ *
+ * @brief Delete E2 component node list
+ *
+ * @details
+ *
+ * Function : deleteE2ComponentNodeList
+ *
+ * Functionality: Delete E2 component node list
+ *
+ * @params[in] E2 component node list
+ * @return void
+
+ *
+ ******************************************************************/
+
+void deleteE2ComponentNodeList(CmLListCp *componentList)
+{
+ E2NodeComponent *cfgInfo = NULLP;
+ CmLList *e2ComponentNode = NULLP;
+
+ CM_LLIST_FIRST_NODE(componentList, e2ComponentNode);
+ while(e2ComponentNode)
+ {
+ cfgInfo = (E2NodeComponent*)e2ComponentNode->node;
+ cmLListDelFrm(componentList, e2ComponentNode);
+ memset(cfgInfo, 0, sizeof(E2NodeComponent));
+ CM_LLIST_FIRST_NODE(componentList, e2ComponentNode);
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief process the E2 node information from ric db
+ *
+ * @details
+ *
+ * Function : deleteE2NodeInfo
+ *
+ * Functionality: process the E2 node information from ric db
+ *
+ * @params[in]
+ * du Id
+ *
+ * @return void
+ *
+ ******************************************************************/
+void deleteE2NodeInfo(DuDb *duDb)
+{
+ uint16_t ranFuncIdx =0;
+ RanFunction *ranFuncDb=NULLP;
+
+ DU_LOG("\nINFO --> E2AP : Removing all the E2 node information");
+ for(ranFuncIdx = 0; ranFuncIdx < MAX_RAN_FUNCTION; ranFuncIdx++)
+ {
+ ranFuncDb = &duDb->ranFunction[ranFuncIdx];
+ if(ranFuncDb->id > 0)
+ {
+ deleteRicSubscriptionList(&ranFuncDb->subscriptionList);
+ }
+ }
+ deleteE2ComponentNodeList(&duDb->e2NodeComponent);
+}
+
+/*******************************************************************
+ *
+ * @brief process the E2 Removal Response
+ *
+ * @details
+ *
+ * Function : ProcE2RemovalResponse
+ *
+ * Functionality: Process E2 Removal Response
+ *
+ * @params[in]
+ * du Id
+ * Pointer to removal response
+ * @return void
+ *
+ ******************************************************************/
+
+void ProcE2RemovalResponse(uint32_t duId, E2RemovalResponse_t *removalRsp)
+{
+ uint8_t ieIdx = 0, duIdx =0;
+ DuDb *duDb = NULLP;
+
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId);
+ return;
+ }
+
+ if(!removalRsp)
+ {
+ DU_LOG("\nERROR --> E2AP : removalRsp pointer is null");
+ return;
+ }
+
+ if(!removalRsp->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : removalRsp array pointer is null");
+ return;
+ }
+
+ for(ieIdx=0; ieIdx < removalRsp->protocolIEs.list.count; ieIdx++)
+ {
+ if(removalRsp->protocolIEs.list.array[ieIdx])
+ {
+ switch(removalRsp->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ DU_LOG("\nINFO --> E2AP : Sending request to close the sctp connection");
+ cmInetClose(&sctpCb.e2LstnSockFd);
+ deleteE2NodeInfo(duDb);
+ exit(0);
+ }
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : Received Invalid Ie [%ld]", removalRsp->protocolIEs.list.array[ieIdx]->id);
+ break;
+ }
+ }
+ }
+ }
+}
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2 Removal Failure
+ *
+ * @details
+ *
+ * Function : FreeE2RemovalFailure
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2RemovalFailure
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return void
+ *
+ * ****************************************************************/
+void FreeE2RemovalFailure(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ E2RemovalFailure_t *e2RemovalFailure=NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.unsuccessfulOutcome != NULLP)
+ {
+ e2RemovalFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2RemovalFailure;
+ if(e2RemovalFailure->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx < e2RemovalFailure->protocolIEs.list.count; ieIdx++)
+ {
+ if(e2RemovalFailure->protocolIEs.list.array[ieIdx])
+ {
+ RIC_FREE(e2RemovalFailure->protocolIEs.list.array[ieIdx], sizeof(E2RemovalFailureIEs_t));
+ }
+ }
+ RIC_FREE(e2RemovalFailure->protocolIEs.list.array, e2RemovalFailure->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.unsuccessfulOutcome, sizeof(UnsuccessfulOutcomeE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 Removal Failure msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2RemovalFailure
+ *
+ * Functionality:
+ * - Buld and send the E2 Removal Failure Message
+ * @params[in]
+ * DU Id
+ * Trans Id
+ * Type of failure
+ * Cause of failure
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendRemovalFailure(uint32_t duId, uint16_t transId, CauseE2_PR causePresent, uint8_t reason)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ E2RemovalFailure_t *e2RemovalFailure=NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Removal Failure Message\n");
+ do
+ {
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_unsuccessfulOutcome;
+
+ RIC_ALLOC(e2apMsg->choice.unsuccessfulOutcome, sizeof(UnsuccessfulOutcomeE2_t));
+ if(e2apMsg->choice.unsuccessfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->choice.unsuccessfulOutcome->procedureCode = ProcedureCodeE2_id_E2removal;
+ e2apMsg->choice.unsuccessfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.unsuccessfulOutcome->value.present = UnsuccessfulOutcomeE2__value_PR_E2RemovalFailure;
+ e2RemovalFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2RemovalFailure;
+
+ elementCnt = 2;
+ e2RemovalFailure->protocolIEs.list.count = elementCnt;
+ e2RemovalFailure->protocolIEs.list.size = elementCnt * sizeof(E2RemovalFailureIEs_t *);
+ RIC_ALLOC(e2RemovalFailure->protocolIEs.list.array, e2RemovalFailure->protocolIEs.list.size);
+ if(!e2RemovalFailure->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx=0; ieIdx < elementCnt; ieIdx++)
+ {
+ RIC_ALLOC(e2RemovalFailure->protocolIEs.list.array[ieIdx], sizeof(E2RemovalFailureIEs_t));
+ if(!e2RemovalFailure->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+ }
+ if(ieIdx < elementCnt)
+ break;
+
+ ieIdx = 0;
+ e2RemovalFailure->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2RemovalFailure->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.present = E2RemovalFailureIEs__value_PR_TransactionID;
+ e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ /* Cause */
+ ieIdx++;
+ e2RemovalFailure->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_CauseE2;
+ e2RemovalFailure->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_ignore;
+ e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.present = ErrorIndicationE2_IEs__value_PR_CauseE2;
+ fillE2FailureCause(&e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.choice.CauseE2, causePresent, reason);
+
+ 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 E2 removal failure structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2 Removal Failure \n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ /* Sending msg */
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Removal Failure");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2RemovalFailure(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2 Removal Response
+ *
+ * @details
+ *
+ * Function : FreeE2RemovalResponse
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2RemovalResponse
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeE2RemovalResponse(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ E2RemovalResponse_t *e2RemovalResponse=NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.successfulOutcome != NULLP)
+ {
+ e2RemovalResponse = &e2apMsg->choice.successfulOutcome->value.choice.E2RemovalResponse;
+ if(e2RemovalResponse->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx < e2RemovalResponse->protocolIEs.list.count; ieIdx++)
+ {
+ if(e2RemovalResponse->protocolIEs.list.array[ieIdx])
+ {
+ RIC_FREE(e2RemovalResponse->protocolIEs.list.array[ieIdx], sizeof(E2RemovalResponseIEs_t));
+ }
+ }
+ RIC_FREE(e2RemovalResponse->protocolIEs.list.array, e2RemovalResponse->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 Removal Response msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2RemovalResponse
+ *
+ * Functionality:
+ * - Buld and send the E2 Removal Response Message
+ * @params[in]
+ * Du Id
+ * Trans Id
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendRemovalResponse(uint32_t duId, uint16_t transId)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED, duIdx =0;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ DuDb *duDb = NULLP;
+ E2RemovalResponse_t *e2RemovalResponse=NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Removal Response Message\n");
+ do
+ {
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId);
+ return;
+ }
+
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_successfulOutcome;
+
+ RIC_ALLOC(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ if(e2apMsg->choice.successfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->choice.successfulOutcome->procedureCode = ProcedureCodeE2_id_E2removal;
+ e2apMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.successfulOutcome->value.present = SuccessfulOutcomeE2__value_PR_E2RemovalResponse;
+ e2RemovalResponse = &e2apMsg->choice.successfulOutcome->value.choice.E2RemovalResponse;
+
+ elementCnt = 1;
+ e2RemovalResponse->protocolIEs.list.count = elementCnt;
+ e2RemovalResponse->protocolIEs.list.size = elementCnt * sizeof(E2RemovalResponseIEs_t *);
+ RIC_ALLOC(e2RemovalResponse->protocolIEs.list.array, e2RemovalResponse->protocolIEs.list.size);
+ if(!e2RemovalResponse->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx=0; ieIdx < elementCnt; ieIdx++)
+ {
+ RIC_ALLOC(e2RemovalResponse->protocolIEs.list.array[ieIdx], sizeof(E2RemovalResponseIEs_t));
+ if(!e2RemovalResponse->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+ }
+ if(ieIdx < elementCnt)
+ break;
+
+ ieIdx = 0;
+ e2RemovalResponse->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2RemovalResponse->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2RemovalResponse->protocolIEs.list.array[ieIdx]->value.present = E2RemovalResponseIEs__value_PR_TransactionID;
+ e2RemovalResponse->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ 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 E2 removal response structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2 Removal Response \n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ /* Sending msg */
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Removal Response");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2RemovalResponse(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Process Removal req received from RIC
+ *
+ * @details
+ *
+ * Function : procE2RemovalRequest
+ *
+ * Functionality: Process Removal req received from RIC
+ *
+ * @param
+ * DU id
+ * E2 Removal Request
+ * @return void
+ *
+ ******************************************************************/
+
+void procE2RemovalRequest(uint32_t duId, E2RemovalRequest_t *removalReq)
+{
+ uint8_t arrIdx =0;
+ uint16_t transId =0;
+
+ DU_LOG("\nINFO --> E2AP : E2 Removal request received");
+
+ for(arrIdx=0; arrIdx<removalReq->protocolIEs.list.count; arrIdx++)
+ {
+ switch(removalReq->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = removalReq->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+ break;
+ }
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid IE recevied [%d]", transId);
+ break;
+ }
+ }
+ }
+
+ if(transId>=0 && transId<=255)
+ {
+ if(BuildAndSendRemovalResponse(duId, transId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send Removal response");
+ }
+ }
+ else
+ {
+ if(BuildAndSendRemovalFailure(duId, transId, CauseE2_PR_protocol, CauseE2Protocol_abstract_syntax_error_falsely_constructed_message) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send Removal response");
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief fill E2 connection update item
+ *
+ * @details
+ *
+ * Function : fillE2connectionUpdateItem
+ *
+ * Functionality: fill E2 connection update item
+ *
+ * @params[in]
+ * E2connectionUpdate Item to be filled
+ * Protocol Id
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t fillE2connectionUpdateItem(PTR connectionInfo, uint8_t protocolId)
+{
+ E2connectionUpdateRemove_Item_t *connectionRemoveITem=NULLP;
+ E2connectionUpdate_Item_t *connectionModifyItem=NULLP;
+ TNLinformation_t *tnlInformation = NULLP;
+ TNLusage_t *tnlUsage=NULLP;
+
+ switch(protocolId)
+ {
+ case ProtocolIE_IDE2_id_E2connectionUpdate_Item:
+ {
+ connectionModifyItem = (E2connectionUpdate_Item_t*)connectionInfo;
+ tnlInformation = &connectionModifyItem->tnlInformation;
+ tnlUsage = &connectionModifyItem->tnlUsage;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2connectionUpdateRemove_Item:
+ {
+ connectionRemoveITem = (E2connectionUpdateRemove_Item_t*)connectionInfo;
+ tnlInformation= &connectionRemoveITem->tnlInformation;
+ break;
+ }
+ }
+
+ tnlInformation->tnlAddress.size = 4*sizeof(uint8_t);
+ RIC_ALLOC(tnlInformation->tnlAddress.buf, tnlInformation->tnlAddress.size);
+ if(!tnlInformation->tnlAddress.buf)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ tnlInformation->tnlAddress.buf[3] = ricCb.ricCfgParams.sctpParams.localIpAddr.ipV4Addr & 0xFF;
+ tnlInformation->tnlAddress.buf[2] = (ricCb.ricCfgParams.sctpParams.localIpAddr.ipV4Addr>> 8) & 0xFF;
+ tnlInformation->tnlAddress.buf[1] = (ricCb.ricCfgParams.sctpParams.localIpAddr.ipV4Addr>> 16) & 0xFF;
+ tnlInformation->tnlAddress.buf[0] = (ricCb.ricCfgParams.sctpParams.localIpAddr.ipV4Addr>> 24) & 0xFF;
+ tnlInformation->tnlAddress.bits_unused = 0;
+ if(protocolId == ProtocolIE_IDE2_id_E2connectionUpdate_Item)
+ {
+ *tnlUsage = TNLusage_support_function;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Build E2 connection modification list
+ *
+ * @details
+ *
+ * Function : BuildE2ConnectionModifyList
+ *
+ * Functionality: Build E2 connection modification list
+ *
+ * @params[in]
+ * E2 connection modification list to be filled
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t BuildE2ConnectionModifyList(E2connectionUpdate_List_t *connectionToBeModifyList)
+{
+ uint8_t arrIdx = 0;
+ E2connectionUpdate_ItemIEs_t *connectionModify=NULL;
+
+ connectionToBeModifyList->list.count = 1;
+
+ connectionToBeModifyList->list.size = connectionToBeModifyList->list.count*sizeof(E2connectionUpdate_ItemIEs_t*);
+ RIC_ALLOC(connectionToBeModifyList->list.array, connectionToBeModifyList->list.size);
+ if(connectionToBeModifyList->list.array)
+ {
+ for(arrIdx = 0; arrIdx< connectionToBeModifyList->list.count; arrIdx++)
+ {
+ RIC_ALLOC(connectionToBeModifyList->list.array[arrIdx], sizeof(E2connectionUpdate_ItemIEs_t));
+ if(connectionToBeModifyList->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ connectionModify = (E2connectionUpdate_ItemIEs_t*)connectionToBeModifyList->list.array[arrIdx];
+ connectionModify->id = ProtocolIE_IDE2_id_E2connectionUpdate_Item;
+ connectionModify->criticality= CriticalityE2_ignore;
+ connectionModify->value.present = E2connectionUpdate_ItemIEs__value_PR_E2connectionUpdate_Item;
+ if(fillE2connectionUpdateItem((PTR)&connectionModify->value.choice.E2connectionUpdate_Item, ProtocolIE_IDE2_id_E2connectionUpdate_Item) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill E2 connection update item");
+ return RFAILED;
+ }
+
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Build E2 connection remove list
+ *
+ * @details
+ *
+ * Function : BuildE2ConnectionRemoveList
+ *
+ * Functionality: Build E2 connection remove list
+ *
+ * @params[in]
+ * E2 connection remove list to be filled
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t BuildE2ConnectionRemoveList(E2connectionUpdateRemove_List_t *connectionToBeRemoveList)
+{
+ uint8_t arrIdx = 0;
+ E2connectionUpdateRemove_ItemIEs_t *connectionRemove=NULL;
+
+ connectionToBeRemoveList->list.count = 1;
+
+ connectionToBeRemoveList->list.size = connectionToBeRemoveList->list.count*sizeof(E2connectionUpdateRemove_ItemIEs_t*);
+ RIC_ALLOC(connectionToBeRemoveList->list.array, connectionToBeRemoveList->list.size);
+ if(connectionToBeRemoveList->list.array)
+ {
+ for(arrIdx = 0; arrIdx< connectionToBeRemoveList->list.count; arrIdx++)
+ {
+ RIC_ALLOC(connectionToBeRemoveList->list.array[arrIdx], sizeof(E2connectionUpdateRemove_ItemIEs_t));
+ if(connectionToBeRemoveList->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ connectionRemove = (E2connectionUpdateRemove_ItemIEs_t*)connectionToBeRemoveList->list.array[arrIdx];
+ connectionRemove->id = ProtocolIE_IDE2_id_E2connectionUpdateRemove_Item;
+ connectionRemove->criticality= CriticalityE2_ignore;
+ connectionRemove->value.present = E2connectionUpdateRemove_ItemIEs__value_PR_E2connectionUpdateRemove_Item;
+ if(fillE2connectionUpdateItem((PTR)&connectionRemove->value.choice.E2connectionUpdateRemove_Item, ProtocolIE_IDE2_id_E2connectionUpdateRemove_Item) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill E2 connection update item");
+ return RFAILED;
+ }
+
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2ConnectionUpdate msg
+ *
+ * @details
+ *
+ * Function : FreeE2ConnectionUpdate
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2ConnectionUpdate
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeE2ConnectionUpdate(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0, arrIdx=0;
+ E2connectionUpdate_t *connectionUpdate = NULLP;
+ E2connectionUpdate_List_t *connectionToBeModifyList = NULLP;
+ E2connectionUpdateRemove_List_t *connectionToBeRemoveList = NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ connectionUpdate = &e2apMsg->choice.initiatingMessage->value.choice.E2connectionUpdate;
+ if(connectionUpdate->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < connectionUpdate->protocolIEs.list.count; ieIdx++)
+ {
+ if(connectionUpdate->protocolIEs.list.array[ieIdx])
+ {
+ switch(connectionUpdate->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_E2connectionUpdateModify:
+ {
+ connectionToBeModifyList = &connectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdate_List;
+ if(connectionToBeModifyList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < connectionToBeModifyList->list.count; arrIdx++)
+ {
+ RIC_FREE(connectionToBeModifyList->list.array[arrIdx], sizeof(E2connectionUpdate_ItemIEs_t));
+ }
+ RIC_FREE(connectionToBeModifyList->list.array, connectionToBeModifyList->list.size);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2connectionUpdateRemove:
+ {
+ connectionToBeRemoveList = &connectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdateRemove_List;
+ if(connectionToBeRemoveList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < connectionToBeRemoveList->list.count; arrIdx++)
+ {
+ RIC_FREE(connectionToBeRemoveList->list.array[arrIdx], sizeof(E2connectionUpdateRemove_ItemIEs_t));
+ }
+ RIC_FREE(connectionToBeRemoveList->list.array, connectionToBeRemoveList->list.size);
+ }
+ break;
+ }
+ }
+ RIC_FREE(connectionUpdate->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdate_IEs_t));
+ }
+ }
+ RIC_FREE(connectionUpdate->protocolIEs.list.array, connectionUpdate->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 Connection Update msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2ConnectionUpdate
+ *
+ * Functionality:
+ * - Buld and send the E2 Connection Update Message
+ * @params[in]
+ * Du Id
+ * E2 connection to be modify or delete
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendE2ConnectionUpdate(uint32_t duId, E2Connection connectionInfo)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED, duIdx =0;
+ DuDb *duDb = NULLP;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ E2connectionUpdate_t *e2ConnectionUpdate=NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Connection Update Message\n");
+ do
+ {
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId);
+ return RFAILED;
+ }
+
+ RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+
+ RIC_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_E2connectionUpdate;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_E2connectionUpdate;
+ e2ConnectionUpdate = &e2apMsg->choice.initiatingMessage->value.choice.E2connectionUpdate;
+
+ elementCnt = 1;
+ if(connectionInfo == MODIFY_CONNECTION)
+ elementCnt++;
+ if(connectionInfo == REMOVE_CONNECTION)
+ elementCnt++;
+
+ e2ConnectionUpdate->protocolIEs.list.count = elementCnt;
+ e2ConnectionUpdate->protocolIEs.list.size = elementCnt * sizeof(E2connectionUpdate_IEs_t*);
+ RIC_ALLOC(e2ConnectionUpdate->protocolIEs.list.array, e2ConnectionUpdate->protocolIEs.list.size);
+ if(!e2ConnectionUpdate->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx=0; ieIdx < elementCnt; ieIdx++)
+ {
+ RIC_ALLOC(e2ConnectionUpdate->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdate_IEs_t));
+ if(!e2ConnectionUpdate->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+ }
+ if(ieIdx < elementCnt)
+ break;
+
+ ieIdx = 0;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdate_IEs__value_PR_TransactionID;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = assignTransactionId(duDb);
+
+ if(connectionInfo == MODIFY_CONNECTION)
+ {
+ ieIdx++;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_E2connectionUpdateModify;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdate_IEs__value_PR_E2connectionUpdate_List;
+ if(BuildE2ConnectionModifyList(&e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdate_List) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build the connection update modify list");
+ break;
+ }
+ }
+
+ if(connectionInfo == REMOVE_CONNECTION)
+ {
+ ieIdx++;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_E2connectionUpdateRemove;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdate_IEs__value_PR_E2connectionUpdateRemove_List;
+ if(BuildE2ConnectionRemoveList(&e2ConnectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdateRemove_List) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build the connection update modify list");
+ break;
+ }
+ }
+
+ 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 E2 connection update structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2 Connection Update \n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ /* Sending msg */
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Connection Update");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2ConnectionUpdate(e2apMsg);
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Processes the E2 connection update failure msg
+ *
+ * @details
+ *
+ * Function : procE2connectionUpdateFailure
+ *
+ * Functionality: Processes the E2 connection update failure msg
+ *
+ * @params[in]
+ * E2 connection update failure information
+ *
+ * @return void
+ *
+ * ****************************************************************/
+void ProcE2connectionUpdateFailure(E2connectionUpdateFailure_t *updateFailure)
+{
+ uint8_t ieIdx = 0;
+ uint16_t transId=0;
+ CauseE2_t *cause = NULLP;
+
+ if(!updateFailure)
+ {
+ DU_LOG("\nERROR --> E2AP : updateFailure pointer is null");