+ E2nodeComponentInterfaceF1_t *f1InterfaceInfo=NULLP;
+ 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)
+ {
+ switch(additionAckItemIte->value.choice.E2nodeComponentConfigAdditionAck_Item.e2nodeComponentID.present)
+ {
+ case E2nodeComponentID_PR_e2nodeComponentInterfaceTypeF1:
+ {
+ f1InterfaceInfo = additionAckItemIte->value.choice.E2nodeComponentConfigAdditionAck_Item.e2nodeComponentID.choice.e2nodeComponentInterfaceTypeF1;
+ free(f1InterfaceInfo->gNB_DU_ID.buf);
+ free(f1InterfaceInfo);
+ break;
+ }
+ default:
+ break;
+ }
+ free(additionAckItemIte);
+ }
+ free(additionAckList->list.array);
+ }
+ 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)
+ {
+ switch(updateAckItemIe->value.choice.E2nodeComponentConfigUpdateAck_Item.e2nodeComponentID.present)
+ {
+ case E2nodeComponentID_PR_e2nodeComponentInterfaceTypeF1:
+ {
+ f1InterfaceInfo = updateAckItemIe->value.choice.E2nodeComponentConfigUpdateAck_Item.e2nodeComponentID.choice.e2nodeComponentInterfaceTypeF1;
+ free(f1InterfaceInfo->gNB_DU_ID.buf);
+ free(f1InterfaceInfo);
+ break;
+ }
+ default:
+ break;
+ }
+ free(updateAckItemIe);
+ }
+ }
+ free(updateAckList->list.array);
+ }
+ 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)
+ {
+ switch(removalAckItemIe->value.choice.E2nodeComponentConfigRemovalAck_Item.e2nodeComponentID.present)
+ {
+ case E2nodeComponentID_PR_e2nodeComponentInterfaceTypeF1:
+ {
+ f1InterfaceInfo = removalAckItemIe->value.choice.E2nodeComponentConfigRemovalAck_Item.e2nodeComponentID.choice.e2nodeComponentInterfaceTypeF1;
+ free(f1InterfaceInfo->gNB_DU_ID.buf);
+ free(f1InterfaceInfo);
+ break;
+ }
+ default:
+ break;
+ }
+ free(removalAckItemIe);
+ }
+ }
+ free(removalAckList->list.array);
+ }
+ break;
+ }
+ }
+ free(updateAckMsg->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(updateAckMsg->protocolIEs.list.array);
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Processes the E2 node config update ack msg
+ *
+ * @details
+ *
+ * Function :procE2NodeConfigUpdateAck
+ *
+ * Functionality: Processes the E2 node config update ack msg
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void procE2NodeConfigUpdateAck(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0;
+ uint16_t e2CfgIdx =0;
+ E2nodeConfigurationUpdateAcknowledge_t *e2NodeConfigUpdateAck =NULLP;
+ E2nodeComponentConfigUpdateAck_List_t *e2NodeConfigUpdateAckList=NULLP;
+ E2nodeComponentConfigUpdateAck_ItemIEs_t *e2NodeUpdateAckItem=NULLP;
+ E2nodeComponentConfigRemovalAck_List_t *e2NodeConfigRemovalAckList=NULLP;
+ E2nodeComponentConfigRemovalAck_ItemIEs_t *e2NodeRemovalAckItem=NULLP;
+ E2nodeComponentConfigAdditionAck_List_t *e2NodeConfigAdditionAckList=NULLP;
+ E2nodeComponentConfigAdditionAck_ItemIEs_t *e2NodeAdditionAckItem=NULLP;
+
+ e2NodeConfigUpdateAck = &e2apMsg->choice.successfulOutcome->value.choice.E2nodeConfigurationUpdateAcknowledge;
+
+ if(e2NodeConfigUpdateAck->protocolIEs.list.array)
+ {
+ for(arrIdx =0; arrIdx<e2NodeConfigUpdateAck->protocolIEs.list.count; arrIdx++)
+ {
+ switch(e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigAdditionAck:
+ {
+ e2NodeConfigAdditionAckList = &e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAdditionAck_List;
+ if(e2NodeConfigAdditionAckList->list.array)
+ {
+ for(e2CfgIdx = 0; e2CfgIdx< e2NodeConfigAdditionAckList->list.count; e2CfgIdx++)
+ {
+ e2NodeAdditionAckItem = (E2nodeComponentConfigAdditionAck_ItemIEs_t*) e2NodeConfigAdditionAckList->list.array[e2CfgIdx];
+ handleE2NodeConfigUpdateAckIes((PTR)&e2NodeAdditionAckItem->value.choice.E2nodeComponentConfigAdditionAck_Item,\
+ ProtocolIE_IDE2_id_E2nodeComponentConfigAdditionAck);
+ }
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigUpdateAck:
+ {
+ e2NodeConfigUpdateAckList = &e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigUpdateAck_List;
+ if(e2NodeConfigUpdateAckList->list.array)
+ {
+ for(e2CfgIdx = 0; e2CfgIdx< e2NodeConfigUpdateAckList->list.count; e2CfgIdx++)
+ {
+ e2NodeUpdateAckItem = (E2nodeComponentConfigUpdateAck_ItemIEs_t*) e2NodeConfigUpdateAckList->list.array[e2CfgIdx];
+ handleE2NodeConfigUpdateAckIes((PTR)&e2NodeUpdateAckItem->value.choice.E2nodeComponentConfigUpdateAck_Item,\
+ ProtocolIE_IDE2_id_E2nodeComponentConfigUpdateAck);
+ }
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigRemovalAck:
+ {
+ e2NodeConfigRemovalAckList = &e2NodeConfigUpdateAck->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigRemovalAck_List;
+ if(e2NodeConfigRemovalAckList->list.array)
+ {
+ for(e2CfgIdx = 0; e2CfgIdx< e2NodeConfigRemovalAckList->list.count; e2CfgIdx++)
+ {
+ e2NodeRemovalAckItem = (E2nodeComponentConfigRemovalAck_ItemIEs_t*) e2NodeConfigRemovalAckList->list.array[e2CfgIdx];
+ handleE2NodeConfigUpdateAckIes((PTR)&e2NodeRemovalAckItem->value.choice.E2nodeComponentConfigRemovalAck_Item,\
+ ProtocolIE_IDE2_id_E2nodeComponentConfigRemovalAck);
+ }
+ }
+ break;
+ }
+ }
+ }
+ }
+
+ freeAperDecodingOfE2NodeConfigUpdateAck(e2NodeConfigUpdateAck);
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for RemovalRequest msg
+ *
+ * @details
+ *
+ * Function : FreeRemovalRequest
+ *
+ * Functionality:
+ * - freeing the memory allocated for RemovalRequest
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeRemovalRequest(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ E2RemovalRequest_t *removalReq = NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ removalReq = &e2apMsg->choice.initiatingMessage->value.choice.E2RemovalRequest;
+ if(removalReq->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < removalReq->protocolIEs.list.count; ieIdx++)
+ {
+ DU_FREE(removalReq->protocolIEs.list.array[ieIdx], sizeof(E2RemovalRequestIEs_t));
+ }
+ DU_FREE(removalReq->protocolIEs.list.array, removalReq->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Build and send the removal request msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendRemovalRequest
+ *
+ * Functionality:
+ * - Buld and send the removal request msg to E2 node
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendRemovalRequest()
+{
+ uint16_t transId = 0;
+ uint8_t ret = RFAILED;
+ uint8_t ieIdx = 0, elementCnt = 0;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ E2RemovalRequest_t *removalReq = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building Removal Request\n");
+
+ do
+ {
+ DU_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;
+ DU_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_E2removal;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_E2RemovalRequest;
+ removalReq = &e2apMsg->choice.initiatingMessage->value.choice.E2RemovalRequest;
+
+ elementCnt = 1;
+ removalReq->protocolIEs.list.count = elementCnt;
+ removalReq->protocolIEs.list.size = elementCnt * sizeof(E2RemovalRequestIEs_t *);
+
+ DU_ALLOC(removalReq->protocolIEs.list.array, removalReq->protocolIEs.list.size);
+ if(!removalReq->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ DU_ALLOC(removalReq->protocolIEs.list.array[ieIdx], sizeof(E2RemovalRequestIEs_t));
+ if(!removalReq->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+ }
+
+ /* In case of failure */
+ if(ieIdx < elementCnt)
+ break;
+
+ ieIdx = 0;
+ removalReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ removalReq->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ removalReq->protocolIEs.list.array[ieIdx]->value.present = E2RemovalRequestIEs__value_PR_TransactionID;
+ transId = assignTransactionId();
+ removalReq->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ /* 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 removal request structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for removal request\n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Sending removal request failed");
+ break;
+ }
+
+
+ ret = ROK;
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+ break;
+ }while(true);
+
+ /* Free all memory */
+ FreeRemovalRequest(e2apMsg);
+
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder
+ * for Removal failure
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfE2RemovalFailure
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder
+ * for Removal failure
+ *
+ * @params[in] Pointer to removalFailure
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfE2RemovalFailure(E2RemovalFailure_t *removalFailure)
+{
+ uint8_t arrIdx=0;
+
+ if(removalFailure)
+ {
+ if(removalFailure->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<removalFailure->protocolIEs.list.count; arrIdx++)
+ {
+ if(removalFailure->protocolIEs.list.array[arrIdx])
+ {
+ free(removalFailure->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(removalFailure->protocolIEs.list.array);
+ }
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Processes the E2 removal failure msg
+ *
+ * @details
+ *
+ * Function : procE2RemovalFailure
+ *
+ * Functionality: Processes the E2 removal failure msg
+ *
+ * @params[in]
+ * E2AP_PDU_t *e2apMsg
+ *
+ * @return void
+ *
+ * ****************************************************************/
+void ProcE2RemovalFailure(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx = 0;
+ uint16_t transId=0;
+ CauseE2_t *cause = NULLP;
+ E2RemovalFailure_t *e2RemovalFailure=NULLP;
+
+ e2RemovalFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2RemovalFailure;
+
+ 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;
+ if((duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId == transId) &&\
+ (duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode == e2apMsg->choice.unsuccessfulOutcome->procedureCode))
+ {
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
+ }
+ 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 [%ld]", e2RemovalFailure->protocolIEs.list.array[ieIdx]->id);
+ break;
+ }
+ }
+ }
+ }
+ freeAperDecodingOfE2RemovalFailure(e2RemovalFailure);
+}
+
+ /******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder
+ * for Removal failure
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfE2RemovalResponse
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder
+ * for Removal failure
+ *
+ * @params[in] Pointer to removalResponse
+ * @return void
+ *
+ * ****************************************************************/
+ void freeAperDecodingOfE2RemovalResponse(E2RemovalResponse_t *removalResponse)
+ {
+ uint8_t arrIdx=0;
+
+ if(removalResponse)
+ {
+ if(removalResponse->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<removalResponse->protocolIEs.list.count; arrIdx++)
+ {
+ if(removalResponse->protocolIEs.list.array[arrIdx])
+ {
+ free(removalResponse->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(removalResponse->protocolIEs.list.array);
+ }
+ }
+ }
+
+/*******************************************************************
+ *
+ * @brief process the E2 Removal Response
+ *
+ * @details
+ *
+ * Function : ProcE2RemovalResponse
+ *
+ * Functionality: Process E2 Removal Response
+ *
+ * @params[in]
+ * E2AP_PDU_t *e2apMsg
+ * @return void
+ *
+ ******************************************************************/
+
+void ProcE2RemovalResponse(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx = 0;
+ uint16_t transId=0;
+ E2RemovalResponse_t *removalRsp = NULLP;
+
+ removalRsp = &e2apMsg->choice.successfulOutcome->value.choice.E2RemovalResponse;
+
+ 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:
+ {
+ transId = removalRsp->protocolIEs.list.array[ieIdx]->value.choice.TransactionID;
+ if((duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId == transId) &&\
+ (duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode == e2apMsg->choice.unsuccessfulOutcome->procedureCode))
+ {
+ DU_LOG("\nINFO --> E2AP : Sending request to close the sctp connection");
+ cmInetClose(&ricParams.sockFd);
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
+ removeE2NodeInformation();
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
+ }
+ break;
+ }
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : Received Invalid Ie [%ld]", removalRsp->protocolIEs.list.array[ieIdx]->id);
+ break;
+ }
+ }
+ }
+ }
+
+ freeAperDecodingOfE2RemovalResponse(removalRsp);
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2 Connection Update Failure
+ *
+ * @details
+ *
+ * Function : FreeE2ConnectionUpdateFailure
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2ConnectionUpdateFailure
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeE2ConnectionUpdateFailure(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ E2connectionUpdateFailure_t *e2ConnectionUpdateFailure=NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.unsuccessfulOutcome != NULLP)
+ {
+ e2ConnectionUpdateFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2connectionUpdateFailure;
+ if(e2ConnectionUpdateFailure->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx < e2ConnectionUpdateFailure->protocolIEs.list.count; ieIdx++)
+ {
+ DU_FREE(e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdateFailure_IEs_t));
+ }
+ DU_FREE(e2ConnectionUpdateFailure->protocolIEs.list.array, e2ConnectionUpdateFailure->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.unsuccessfulOutcome, sizeof(UnsuccessfulOutcomeE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 Connection Update Failure msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2ConnectionUpdateFailure
+ *
+ * Functionality:
+ * - Buld and send the E2 Connection Update Failure Message
+ * @params[in]
+ * Trans Id
+ * Failure Cause
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendE2ConnectionUpdateFailure(uint16_t transId, E2FailureCause failureCause)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ E2connectionUpdateFailure_t *e2ConnectionUpdateFailure=NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Connection Update Failure Message\n");
+ do
+ {
+ DU_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;
+
+ DU_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_E2connectionUpdate;
+ e2apMsg->choice.unsuccessfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.unsuccessfulOutcome->value.present = UnsuccessfulOutcomeE2__value_PR_E2connectionUpdateFailure;
+ e2ConnectionUpdateFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2connectionUpdateFailure;
+
+ elementCnt = 2;
+ e2ConnectionUpdateFailure->protocolIEs.list.count = elementCnt;
+ e2ConnectionUpdateFailure->protocolIEs.list.size = elementCnt * sizeof(E2connectionUpdateFailure_IEs_t *);
+ DU_ALLOC(e2ConnectionUpdateFailure->protocolIEs.list.array, e2ConnectionUpdateFailure->protocolIEs.list.size);
+ if(!e2ConnectionUpdateFailure->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx=0; ieIdx < elementCnt; ieIdx++)
+ {
+ DU_ALLOC(e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdateFailure_IEs_t));
+ if(!e2ConnectionUpdateFailure->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;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateFailure_IEs__value_PR_TransactionID;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ /* Cause */
+ ieIdx++;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_CauseE2;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_ignore;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateFailure_IEs__value_PR_CauseE2;
+ fillE2Cause(&e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->value.choice.CauseE2, failureCause);
+
+ 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 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 Connection Update Failure \n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ /* Sending msg */
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Connection Update Failure");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2ConnectionUpdateFailure(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief fill E2 connection update item
+ *
+ * @details
+ *
+ * Function : fillE2connectionUpdateItem
+ *
+ * Functionality: fill E2 connection update item
+ *
+ * @params[in]
+ * E2connectionUpdate Item to be filled
+ * Protocol Id
+ * IP Address
+ * Usage
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t fillE2connectionUpdateItem(PTR connectionInfo, uint8_t protocolId, uint32_t ipAddress, AssocUsage usage)
+{
+ CauseE2_t *cause=NULLP;
+ TNLusage_t *tnlUsage=NULLP;
+ E2FailureCause failureCause;
+ TNLinformation_t *tnlInformation = NULLP;
+ E2connectionUpdate_Item_t *connectionModifyItem=NULLP;
+ E2connectionSetupFailed_Item_t *connectionRemoveITem=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_E2connectionSetupFailed_Item:
+ {
+ connectionRemoveITem = (E2connectionSetupFailed_Item_t*)connectionInfo;
+ tnlInformation= &connectionRemoveITem->tnlInformation;
+ cause = &connectionRemoveITem->cause;
+ break;
+ }
+ default:
+ return RFAILED;
+ }
+
+ tnlInformation->tnlAddress.size = 4*sizeof(uint8_t);
+ DU_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] = ipAddress & 0xFF;
+ tnlInformation->tnlAddress.buf[2] = (ipAddress>> 8) & 0xFF;
+ tnlInformation->tnlAddress.buf[1] = (ipAddress>> 16) & 0xFF;
+ tnlInformation->tnlAddress.buf[0] = (ipAddress>> 24) & 0xFF;
+ tnlInformation->tnlAddress.bits_unused = 0;
+
+ switch(protocolId)
+ {
+ case ProtocolIE_IDE2_id_E2connectionUpdate_Item:
+ {
+ *tnlUsage = usage;
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2connectionSetupFailed_Item:
+ {
+ failureCause.causeType = E2_TRANSPORT;
+ failureCause.cause = E2_TRANSPORT_CAUSE_UNSPECIFIED;
+ fillE2Cause(cause, failureCause);
+ break;
+ }
+ default:
+ return RFAILED;
+ }
+ return ROK;
+}
+
+
+/*******************************************************************
+ *
+ * @brief Build E2 connection modification list
+ *
+ * @details
+ *
+ * Function :BuildE2ConnectionUpdateList
+ *
+ * Functionality: Build E2 connection modification list
+ *
+ * @params[in]
+ * E2 connection update list to be filled
+ * Count of E2 connection to be added in the list
+ * Received list of E2 connection
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t BuildE2ConnectionUpdateList(E2connectionUpdate_List_t *connectionSetupList, uint8_t count, E2ConnectionItem *tmpConnectionList)
+{
+ uint8_t arrIdx = 0;
+ E2connectionUpdate_ItemIEs_t *connectionSetupItem=NULLP;
+
+ connectionSetupList->list.count = count;
+
+ connectionSetupList->list.size = connectionSetupList->list.count*sizeof(E2connectionUpdate_ItemIEs_t*);
+ DU_ALLOC(connectionSetupList->list.array, connectionSetupList->list.size);
+ if(connectionSetupList->list.array)
+ {
+ for(arrIdx = 0; arrIdx< connectionSetupList->list.count; arrIdx++)
+ {
+ DU_ALLOC(connectionSetupList->list.array[arrIdx], sizeof(E2connectionUpdate_ItemIEs_t));
+ if(connectionSetupList->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ connectionSetupItem = (E2connectionUpdate_ItemIEs_t*)connectionSetupList->list.array[arrIdx];
+ connectionSetupItem->id = ProtocolIE_IDE2_id_E2connectionUpdate_Item;
+ connectionSetupItem->criticality= CriticalityE2_ignore;
+ connectionSetupItem->value.present = E2connectionUpdate_ItemIEs__value_PR_E2connectionUpdate_Item;
+ if(fillE2connectionUpdateItem((PTR)&connectionSetupItem->value.choice.E2connectionUpdate_Item, ProtocolIE_IDE2_id_E2connectionUpdate_Item,\
+ tmpConnectionList[arrIdx].ipV4Addr, tmpConnectionList[arrIdx].usage) != 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 setup failed list
+ *
+ * @details
+ *
+ * Function : BuildE2ConnectionSetupFailedList
+ *
+ * Functionality: Build E2 connection setup failed list
+ *
+ * @params[in]
+ * E2 connection setup failed list to be filled
+ * Count of E2 connection to be added in the list
+ * Received list of E2 connection
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t BuildE2ConnectionSetupFailedList(E2connectionSetupFailed_List_t *setupFailedList, uint8_t count, E2ConnectionItem *tmpConnectionList)
+{
+ uint8_t arrIdx = 0;
+ E2connectionSetupFailed_ItemIEs_t *setupFailedItem=NULLP;
+
+ setupFailedList->list.count = 1;
+
+ setupFailedList->list.size = setupFailedList->list.count*sizeof(E2connectionSetupFailed_ItemIEs_t *);
+ DU_ALLOC(setupFailedList->list.array, setupFailedList->list.size);
+ if(setupFailedList->list.array)
+ {
+ for(arrIdx = 0; arrIdx< setupFailedList->list.count; arrIdx++)
+ {
+ DU_ALLOC(setupFailedList->list.array[arrIdx], sizeof(E2connectionSetupFailed_ItemIEs_t));
+ if(setupFailedList->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ setupFailedItem = (E2connectionSetupFailed_ItemIEs_t*)setupFailedList->list.array[arrIdx];
+ setupFailedItem->id = ProtocolIE_IDE2_id_E2connectionSetupFailed_Item;
+ setupFailedItem->criticality= CriticalityE2_ignore;
+ setupFailedItem->value.present = E2connectionSetupFailed_ItemIEs__value_PR_E2connectionSetupFailed_Item;
+ if(fillE2connectionUpdateItem((PTR)&setupFailedItem->value.choice.E2connectionSetupFailed_Item, ProtocolIE_IDE2_id_E2connectionSetupFailed_Item,\
+ tmpConnectionList[arrIdx].ipV4Addr, tmpConnectionList[arrIdx].usage) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill E2 connection failed to 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 E2 Connection
+ * Update ack msg
+ *
+ * @details
+ *
+ * Function :FreeE2ConnectionUpdateAcknowledge
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2 Connection
+ * Update ack msg
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void FreeE2ConnectionUpdateAcknowledge(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0, arrIdx=0;
+ E2connectionUpdateAcknowledge_t *connectionUpdate = NULLP;
+ E2connectionUpdate_List_t *connectionSetupList = NULLP;
+ E2connectionSetupFailed_List_t *setupFailedList = NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.successfulOutcome != NULLP)
+ {
+ connectionUpdate = &e2apMsg->choice.successfulOutcome->value.choice.E2connectionUpdateAcknowledge;
+ 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_E2connectionSetup:
+ {
+ connectionSetupList = &connectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdate_List;
+ if(connectionSetupList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < connectionSetupList->list.count; arrIdx++)
+ {
+ DU_FREE(connectionSetupList->list.array[arrIdx], sizeof(E2connectionUpdate_ItemIEs_t));
+ }
+ DU_FREE(connectionSetupList->list.array, connectionSetupList->list.size);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2connectionSetupFailed:
+ {
+ setupFailedList = &connectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionSetupFailed_List;
+ if(setupFailedList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < setupFailedList->list.count; arrIdx++)
+ {
+ DU_FREE(setupFailedList->list.array[arrIdx], sizeof(E2connectionSetupFailed_ItemIEs_t));
+ }
+ DU_FREE(setupFailedList->list.array, setupFailedList->list.size);
+ }
+ break;
+ }
+ }
+ DU_FREE(connectionUpdate->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdateAck_IEs_t));
+ }
+ }
+ DU_FREE(connectionUpdate->protocolIEs.list.array, connectionUpdate->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 Connection Update Acknowledge msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2ConnectionUpdateAcknowledge
+ *
+ * Functionality:
+ * - Buld and send the E2 Connection Update Acknowledge Message
+ * @params[in]
+ * Trans Id
+ * List of E2 connection needs to fill in IE
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendE2ConnectionUpdateAcknowledge(uint16_t transId, E2ConnectionList connectionInfoList)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ asn_enc_rval_t encRetVal;
+ E2connectionUpdateAcknowledge_t *e2ConnectionUpdateAcknowledge=NULLP;
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Connection Update Acknowledge Message\n");
+ do
+ {
+ DU_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;
+
+ DU_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_E2connectionUpdate;
+ e2apMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.successfulOutcome->value.present = SuccessfulOutcomeE2__value_PR_E2connectionUpdateAcknowledge;
+ e2ConnectionUpdateAcknowledge = &e2apMsg->choice.successfulOutcome->value.choice.E2connectionUpdateAcknowledge;
+
+ elementCnt = 1;
+ if(connectionInfoList.numOfE2ConnectionSetup)
+ elementCnt++;
+ if(connectionInfoList.numOfE2ConnectionFailedToSetup)
+ elementCnt++;
+
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.count = elementCnt;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.size = elementCnt * sizeof(E2connectionUpdateAck_IEs_t*);
+ DU_ALLOC(e2ConnectionUpdateAcknowledge->protocolIEs.list.array, e2ConnectionUpdateAcknowledge->protocolIEs.list.size);
+ if(!e2ConnectionUpdateAcknowledge->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ break;
+ }
+
+ for(ieIdx=0; ieIdx < elementCnt; ieIdx++)
+ {
+ DU_ALLOC(e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdateAck_IEs_t));
+ if(!e2ConnectionUpdateAcknowledge->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;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateAck_IEs__value_PR_TransactionID;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ if(connectionInfoList.numOfE2ConnectionSetup)
+ {
+ ieIdx++;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_E2connectionSetup;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateAck_IEs__value_PR_E2connectionUpdate_List;
+ if(BuildE2ConnectionUpdateList(&e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdate_List, \
+ connectionInfoList.numOfE2ConnectionSetup, connectionInfoList.setupE2Connection) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Connection setup list");
+ break;
+ }
+ }
+
+ if(connectionInfoList.numOfE2ConnectionFailedToSetup)
+ {
+ ieIdx++;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_E2connectionSetupFailed;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateAck_IEs__value_PR_E2connectionSetupFailed_List;
+ if(BuildE2ConnectionSetupFailedList(&e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.choice.E2connectionSetupFailed_List, \
+ connectionInfoList.numOfE2ConnectionFailedToSetup, connectionInfoList.failedToSetupE2Connection) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Connection failed to setup 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 acknowledge 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 Connection Update Acknowledge \n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ /* Sending msg */
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Connection Update Acknowledge");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2ConnectionUpdateAcknowledge(e2apMsg);
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder for
+ * E2 Connection Update
+ *
+ * @details
+ *
+ * Function :freeAperDecodingOfE2ConnectionUpdate
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder for
+ * E2 Connection Update
+ *
+ * @params[in] Pointer to connectionUpdate
+ * @return void
+ *
+ * ****************************************************************/
+
+void freeAperDecodingOfE2ConnectionUpdate(E2connectionUpdate_t *connectionUpdate)
+{
+ uint8_t ieIdx =0, arrIdx=0;
+ E2connectionUpdate_List_t *connectionToBeModifyList = NULLP;
+ E2connectionUpdateRemove_List_t *connectionToBeRemoveList = NULLP;
+
+ if(connectionUpdate->protocolIEs.list.array)