+ else
+ {
+ DU_LOG("\nDEBUG --> F1AP : Created APER encoded buffer for RAN function definition \n");
+ for(uint8_t measIeIdx=0; measIeIdx< encBufSize; measIeIdx++)
+ {
+ printf("%x",encBuf[measIeIdx]);
+ }
+ ranFunctionDefinition = &ranFuncItem->ranFunctionDefinition;
+ ranFunctionDefinition->size = encBufSize;
+ DU_ALLOC(ranFunctionDefinition->buf, encBufSize);
+ if(ranFunctionDefinition->buf == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed for RAN function definition buffer");
+ break;
+ }
+ memcpy(ranFunctionDefinition->buf, &encBuf, encBufSize);
+ ret = ROK;
+ break;
+ }
+ }
+ freeE2smKpmRanFunctionDefinition(ranFuncDefinition);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Builds Ran function add list based on the procedure code
+ *
+ * @details
+ *
+ * Function : BuildRanFunctionAddList
+ *
+ * Functionality: Building RAN addition addition list
+ * In case of ProcedureCodeE2_id_E2setup we add all the RAN Function list
+ * which is present in E2 database.
+ * In the case of other procedures, we just fill the RAN functions whose ID
+ * is contained in recvList
+ *
+ * @params[in]
+ * RAN Function list
+ * Procedure code
+ * Count of ran functions to be added in the list
+ * Received list of RAN functions
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildRanFunctionAddList(RANfunctions_List_t *ranFunctionsList, uint8_t procedureCode, uint8_t count, RanFuncInfo *recvList)
+{
+ uint16_t id;
+ RanFunction *ranFuncDb;
+ uint8_t ranFuncIdx;
+ RANfunction_ItemIEs_t *ranFuncItemIe;
+
+ /* For ProcedureCodeE2_id_E2setup, the number of RAN function list items is
+ * equal to the number of ran function entries stored in the database.
+ * For any other procedure, the RAN function list count is equal
+ * to the count of ran functions obtained from the function's caller */
+
+ if(procedureCode == ProcedureCodeE2_id_E2setup)
+ ranFunctionsList->list.count = duCb.e2apDb.numOfRanFunction;
+ else
+ ranFunctionsList->list.count = count;
+
+ ranFunctionsList->list.size = ranFunctionsList->list.count * sizeof(RANfunction_ItemIEs_t*);
+ DU_ALLOC(ranFunctionsList->list.array, ranFunctionsList->list.size);
+ if(ranFunctionsList->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed in %s at %d",__func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(ranFuncIdx = 0; ranFuncIdx< ranFunctionsList->list.count; ranFuncIdx++)
+ {
+ DU_ALLOC(ranFunctionsList->list.array[ranFuncIdx], sizeof(RANfunction_ItemIEs_t));
+ if(ranFunctionsList->list.array[ranFuncIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed in %s at %d",__func__, __LINE__);
+ return RFAILED;
+ }
+ if(procedureCode == ProcedureCodeE2_id_E2setup)
+ {
+ /* Getting all of the RAN function's information from DuCb one by one*/
+ ranFuncDb = &duCb.e2apDb.ranFunction[ranFuncIdx];
+ }
+ else
+ {
+ /* Getting only the RAN function information from DuCb whose Id is
+ * present in the received array */
+ id =recvList[ranFuncIdx].id;
+ ranFuncDb = &duCb.e2apDb.ranFunction[id-1];
+ }
+ ranFuncItemIe = (RANfunction_ItemIEs_t *) ranFunctionsList->list.array[ranFuncIdx];
+ ranFuncItemIe->id = ProtocolIE_IDE2_id_RANfunction_Item;
+ ranFuncItemIe->criticality = CriticalityE2_ignore;
+ ranFuncItemIe->value.present = RANfunction_ItemIEs__value_PR_RANfunction_Item;
+ BuildRanFunctionItem(&ranFuncItemIe->value.choice.RANfunction_Item, ranFuncDb);
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief De Allocate E2 Setup Request Message
+ *
+ * @details
+ *
+ * Function : FreeE2SetupReq
+ *
+ * Functionality: De-Allocating E2 Setup request Message
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+
+ * @return void
+ *
+ * ****************************************************************/
+
+void FreeE2SetupReq(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx = 0;
+ uint8_t e2NodeAddListIdx =0, ranFuncAddListIdx;
+ E2setupRequest_t *e2SetupReq;
+ E2nodeComponentConfigAddition_List_t *e2NodeAddList;
+ E2nodeComponentConfigAddition_ItemIEs_t *e2NodeAddItem;
+ RANfunctions_List_t *ranFunctionsList;
+ RANfunction_ItemIEs_t *ranFuncItemIe;
+ RANfunction_Item_t *ranFunItem;
+
+ /* De-allocating Memory */
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ e2SetupReq = &e2apMsg->choice.initiatingMessage->value.choice.E2setupRequest;
+ if(e2SetupReq->protocolIEs.list.array != NULLP)
+ {
+ for(arrIdx = 0; arrIdx < e2SetupReq->protocolIEs.list.count; arrIdx++)
+ {
+ if(e2SetupReq->protocolIEs.list.array[arrIdx] != NULLP)
+ {
+ switch(e2SetupReq->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+ case ProtocolIE_IDE2_id_GlobalE2node_ID:
+ {
+ if(e2SetupReq->protocolIEs.list.array[arrIdx]->\
+ value.choice.GlobalE2node_ID.choice.gNB != NULLP)
+ {
+ GlobalE2node_gNB_ID_t *gNbId = NULLP;
+ gNbId = e2SetupReq->protocolIEs.list.array[arrIdx]->\
+ value.choice.GlobalE2node_ID.choice.gNB;
+ if(gNbId->global_gNB_ID.plmn_id.buf != NULLP)
+ {
+ DU_FREE(gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.buf,\
+ gNbId->global_gNB_ID.gnb_id.choice.gnb_ID.size);
+ DU_FREE(gNbId->global_gNB_ID.plmn_id.buf,\
+ gNbId->global_gNB_ID.plmn_id.size);
+ }
+
+ if(gNbId->gNB_DU_ID != NULLP)
+ {
+ DU_FREE( gNbId->gNB_DU_ID->buf, gNbId->gNB_DU_ID->size);
+ DU_FREE(gNbId->gNB_DU_ID, sizeof(GNB_DU_ID_t));
+ }
+ DU_FREE(e2SetupReq->protocolIEs.list.array[arrIdx]->value.\
+ choice.GlobalE2node_ID.choice.gNB, sizeof(GlobalE2node_gNB_ID_t));
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigAddition:
+ {
+ e2NodeAddList = &e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAddition_List;
+ if(e2NodeAddList->list.array)
+ {
+ for(e2NodeAddListIdx = 0; e2NodeAddListIdx< e2NodeAddList->list.count; e2NodeAddListIdx++)
+ {
+ e2NodeAddItem = (E2nodeComponentConfigAddition_ItemIEs_t *) e2NodeAddList->list.array[e2NodeAddListIdx];
+
+ /* Free E2 Node Component Request Part */
+ DU_FREE(e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentConfiguration.e2nodeComponentRequestPart.buf,\
+ e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentConfiguration.e2nodeComponentRequestPart.size);
+
+ /* Free E2 Node Component Response Part */
+ DU_FREE(e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentConfiguration.\
+ e2nodeComponentResponsePart.buf, \
+ e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentConfiguration.e2nodeComponentResponsePart.size);
+
+ /* Free E2 Node Component ID */
+ if(e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentID.choice.e2nodeComponentInterfaceTypeF1)
+ {
+ DU_FREE(e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentID.choice.\
+ e2nodeComponentInterfaceTypeF1->gNB_DU_ID.buf,\
+ e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentID.choice.\
+ e2nodeComponentInterfaceTypeF1->gNB_DU_ID.size);
+ DU_FREE(e2NodeAddItem->value.choice.E2nodeComponentConfigAddition_Item.e2nodeComponentID.choice.e2nodeComponentInterfaceTypeF1,\
+ sizeof(E2nodeComponentInterfaceF1_t));
+ }
+ DU_FREE(e2NodeAddList->list.array[e2NodeAddListIdx], sizeof(E2nodeComponentConfigAddition_ItemIEs_t));
+ }
+ DU_FREE(e2NodeAddList->list.array, e2NodeAddList->list.size);
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_RANfunctionsAdded:
+ {
+ ranFunctionsList = &(e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List);
+ if(ranFunctionsList->list.array)
+ {
+ for(ranFuncAddListIdx= 0; ranFuncAddListIdx< ranFunctionsList->list.count; ranFuncAddListIdx++)
+ {
+ if(ranFunctionsList->list.array[ranFuncAddListIdx])
+ {
+ ranFuncItemIe = (RANfunction_ItemIEs_t *) ranFunctionsList->list.array[ranFuncAddListIdx];
+ ranFunItem = &ranFuncItemIe->value.choice.RANfunction_Item;
+ DU_FREE(ranFunItem->ranFunctionOID.buf, ranFunItem->ranFunctionOID.size);
+ DU_FREE(ranFunItem->ranFunctionDefinition.buf, ranFunItem->ranFunctionDefinition.size);
+ DU_FREE(ranFunctionsList->list.array[ranFuncAddListIdx], sizeof(RANfunction_ItemIEs_t));
+ }
+ }
+ DU_FREE(ranFunctionsList->list.array, ranFunctionsList->list.size);
+ }
+ break;
+ }
+
+ default:
+ DU_LOG("\nERROR --> E2AP: Invalid event at e2SetupRequet %ld ",\
+ (e2SetupReq->protocolIEs.list.array[arrIdx]->id));
+ break;
+ }
+ DU_FREE(e2SetupReq->protocolIEs.list.array[arrIdx], sizeof(E2setupRequestIEs_t));
+ }
+ }
+ DU_FREE(e2SetupReq->protocolIEs.list.array, e2SetupReq->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send the E2SetupRequest
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2SetupReq
+ *
+ * Functionality:Fills the E2SetupRequest
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildAndSendE2SetupReq()
+{
+ uint8_t arrIdx = 0, elementCnt=0;
+ uint8_t transId = 0, ret = ROK;
+ bool memAllocFailed;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ E2setupRequest_t *e2SetupReq = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Setup Request\n");
+ do
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_E2setup;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_E2setupRequest;
+ e2SetupReq = &e2apMsg->choice.initiatingMessage->value.choice.E2setupRequest;
+
+ elementCnt = 4;
+ e2SetupReq->protocolIEs.list.count = elementCnt;
+ e2SetupReq->protocolIEs.list.size = elementCnt * sizeof(E2setupRequestIEs_t*);
+
+ /* Initialize the E2Setup members */
+ DU_ALLOC(e2SetupReq->protocolIEs.list.array, \
+ e2SetupReq->protocolIEs.list.size);
+ if(e2SetupReq->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for array elements");
+ break;
+ }
+ for(arrIdx = 0; arrIdx < elementCnt; (arrIdx)++)
+ {
+ DU_ALLOC(e2SetupReq->protocolIEs.list.array[arrIdx],\
+ sizeof(E2setupRequestIEs_t));
+ if(e2SetupReq->protocolIEs.list.array[arrIdx] == NULLP)
+ {
+ memAllocFailed = true;
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for arrayarrIdx [%d]", arrIdx);
+ break;
+ }
+ }
+ if(memAllocFailed == true)
+ break;
+
+ arrIdx = 0;
+
+ /* TransactionID */
+ e2SetupReq->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->value.present = E2setupRequestIEs__value_PR_TransactionID;
+ transId = assignTransactionId();
+ e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.TransactionID = transId;
+
+ arrIdx++;
+ /* GlobalE2node_gNB_ID */
+ e2SetupReq->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_GlobalE2node_ID;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->value.present = E2setupRequestIEs__value_PR_GlobalE2node_ID;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.GlobalE2node_ID.present = GlobalE2node_ID_PR_gNB;
+
+ DU_ALLOC(e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.\
+ GlobalE2node_ID.choice.gNB, sizeof(GlobalE2node_gNB_ID_t));
+ if(e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.\
+ GlobalE2node_ID.choice.gNB == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for gNbId");
+ break;
+ }
+ else
+ {
+ ret = BuildGlobalgNBId(e2SetupReq->protocolIEs.list.array[arrIdx]->value.\
+ choice.GlobalE2node_ID.choice.gNB);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build Global Gnb Id");
+ break;
+ }
+ }
+
+ /* RAN Functions Added List */
+ arrIdx++;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionsAdded;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->value.present = E2setupRequestIEs__value_PR_RANfunctions_List;
+ if(BuildRanFunctionAddList(&(e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List), ProcedureCodeE2_id_E2setup, 0, NULL)!=ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to create RAN Function");
+ break;
+ }
+
+ /* E2 Node Component Configuration Addition List */
+ arrIdx++;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_E2nodeComponentConfigAddition;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2SetupReq->protocolIEs.list.array[arrIdx]->value.present = E2setupRequestIEs__value_PR_E2nodeComponentConfigAddition_List;
+ if(BuildE2NodeConfigAddList(&(e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAddition_List))!=ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to create E2 Node config list");
+ break;
+ }
+
+
+
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
+ encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2SetupRequest structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2SetupRequest\n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Sending E2 Setup request failed");
+ }
+ break;
+ }while(true);
+
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+
+ FreeE2SetupReq(e2apMsg);
+ return ret;
+}/* End of BuildAndSendE2SetupReq */
+
+/*******************************************************************
+ *
+ * @brief Builds Ric Request Id
+ *
+ * @details
+ *
+ * Function : BuildRicRequestId
+ *
+ * Functionality: Building the Ric Request Id
+ *
+ * @params[in] RICrequestID_t *ricReqId
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildRicRequestId(RICrequestID_t *ricReqId)
+{
+ if(ricReqId == NULLP)
+ {
+ return RFAILED;
+ }
+
+ ricReqId->ricRequestorID = 1;
+ ricReqId->ricInstanceID = 1;
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fills the mandatory RicAdmitted List Items
+ *
+ * @details
+ *
+ * Function : fillRicAdmitList
+ *
+ * Functionality: Fills the mandatory Ric Admitted List Items
+ *
+ * @params[in] RICaction_Admitted_ItemIEs_t *ricAdmitItems
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t fillRicAdmitList(RICaction_Admitted_ItemIEs_t *ricAdmitItems)
+{
+
+ if(ricAdmitItems != NULLP)
+ {
+ ricAdmitItems->id = ProtocolIE_IDE2_id_RICaction_Admitted_Item;
+ ricAdmitItems->criticality = CriticalityE2_reject;
+ ricAdmitItems->value.present = RICaction_Admitted_ItemIEs__value_PR_RICaction_Admitted_Item;
+ ricAdmitItems->value.choice.RICaction_Admitted_Item.ricActionID = 1;
+ }
+ else
+ {
+ return RFAILED;
+ }
+ return ROK;
+}
+/*******************************************************************
+ *
+ * @brief Builds the mandatory RicAdmitted List Params
+ *
+ * @details
+ *
+ * Function : BuildRicAdmitList
+ *
+ * Functionality: Builds the mandatory Ric Admitted List Params
+ *
+ * @params[in] RICaction_Admitted_List_t *admitListPtr
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildRicAdmitList(RICaction_Admitted_List_t *admitListPtr)
+{
+ uint8_t idx ;
+ uint8_t elementCnt;
+ uint8_t ret= ROK;
+ elementCnt = 1;
+
+ if(admitListPtr == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for RIC Admit List failed");
+ ret = RFAILED;
+ }
+ else
+ {
+ admitListPtr->list.count = elementCnt;
+ admitListPtr->list.size = elementCnt * sizeof(RICaction_Admitted_ItemIEs_t);
+ DU_ALLOC(admitListPtr->list.array, admitListPtr->list.size);
+ if(admitListPtr->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for RIC Admit List failed");
+ ret = RFAILED;
+ }
+ else
+ {
+ for(idx=0 ; idx<elementCnt ; idx++ )
+ {
+ DU_ALLOC(admitListPtr->list.array[idx], sizeof(RICaction_Admitted_ItemIEs_t));
+ if(admitListPtr->list.array[idx] == NULLP)
+ {
+ ret = RFAILED;
+ }
+ }
+ if(ret != RFAILED)
+ {
+ idx=0;
+ fillRicAdmitList((RICaction_Admitted_ItemIEs_t *)admitListPtr->list.array[idx]);
+ }
+ }
+ }
+ return ret;
+}
+/*******************************************************************
+ *
+ * @breif Deallocation of BuildAndSendRicSubscriptionRsp memory
+ *
+ * @details
+ *
+ * Function : FreeRicSubscriptionRsp
+ *
+ * Functionality:Free the RicSubscriptionRsp
+ *
+ * @param[in] E2AP_PDU_t *e2apRicMsg
+ *
+ * @return void
+ *
+ *
+ ******************************************************************/
+void FreeRicSubscriptionRsp(E2AP_PDU_t *e2apRicMsg)
+{
+ RICsubscriptionResponse_t *ricSubscriptionRsp= NULLP;
+ uint8_t idx=0;
+ uint8_t idx1=0;
+ RICaction_Admitted_List_t *admitListPtr;
+
+ if(e2apRicMsg != NULLP)
+ {
+ if(e2apRicMsg->choice.successfulOutcome != NULLP)
+ {
+ ricSubscriptionRsp = &e2apRicMsg->choice.successfulOutcome->value.choice.RICsubscriptionResponse;
+ if(ricSubscriptionRsp)
+ {
+ if(ricSubscriptionRsp->protocolIEs.list.array != NULLP)
+ {
+ for(idx=0; idx<ricSubscriptionRsp->protocolIEs.list.count; idx++)
+ {
+ if(ricSubscriptionRsp->protocolIEs.list.array[idx] != NULLP)
+ {
+ switch(ricSubscriptionRsp->protocolIEs.list.array[idx]->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ break;
+
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ break;
+
+ case ProtocolIE_IDE2_id_RICactions_Admitted:
+ {
+ admitListPtr = &ricSubscriptionRsp->protocolIEs.list.\
+ array[idx]->value.choice.RICaction_Admitted_List;
+ if(admitListPtr->list.array != NULLP)
+ {
+ for(idx1=0 ; idx1<admitListPtr->list.count; idx1++ )
+ {
+ if(admitListPtr->list.array[idx1] != NULLP)
+ {
+ DU_FREE(admitListPtr->list.array[idx1],
+ sizeof(RICaction_Admitted_ItemIEs_t));
+ }
+ }
+ DU_FREE(admitListPtr->list.array, admitListPtr->list.size);
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ DU_FREE(ricSubscriptionRsp->protocolIEs.list.array[idx], \
+ sizeof(RICsubscriptionResponse_IEs_t));
+ }
+ }
+ DU_FREE(ricSubscriptionRsp->protocolIEs.list.array, \
+ ricSubscriptionRsp->protocolIEs.list.size);
+ }
+ }
+ DU_FREE(e2apRicMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ }
+ DU_FREE(e2apRicMsg, sizeof(E2AP_PDU_t));
+ }
+}
+/*******************************************************************
+ *
+ * @brief Builds and Send the RicSubscriptionRsp
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicSubscriptionRsp
+ *
+ * functionality:Fills the RicSubscriptionRsp
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t FillRicSubscriptionRsp(RICsubscriptionResponse_t *ricSubscriptionRsp )
+{
+ uint8_t idx=0;
+ uint8_t ret = ROK;
+ uint8_t elementCnt = 0;
+ uint8_t BuildRicRequestIdret=ROK;
+ uint8_t BuildRicAdmitListret=ROK;
+
+ elementCnt=3;
+ ricSubscriptionRsp->protocolIEs.list.count = elementCnt;
+ ricSubscriptionRsp->protocolIEs.list.size = elementCnt * sizeof(RICsubscriptionResponse_IEs_t);
+ DU_ALLOC(ricSubscriptionRsp->protocolIEs.list.array, \
+ ricSubscriptionRsp->protocolIEs.list.size);
+ if(ricSubscriptionRsp->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for FillRicSubscriptionRsp failed");
+ ret = RFAILED;
+ }
+ else
+ {
+ for(idx=0; idx<ricSubscriptionRsp->protocolIEs.list.count; idx++)
+ {
+ DU_ALLOC(ricSubscriptionRsp->protocolIEs.list.array[idx], \
+ sizeof(RICsubscriptionResponse_IEs_t));
+ if(ricSubscriptionRsp->protocolIEs.list.array[idx] == NULLP)
+ {
+ ret = RFAILED;
+ }
+ }
+ if(ret != RFAILED)
+ {
+
+ idx=0;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
+ RICsubscriptionRequest_IEs__value_PR_RICrequestID;
+ BuildRicRequestIdret =
+ BuildRicRequestId(&ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RICrequestID);
+ if(BuildRicRequestIdret != ROK)
+ {
+ ret = RFAILED;
+ }
+ else
+ {
+ idx++;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
+ RICsubscriptionRequest_IEs__value_PR_RANfunctionID;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RANfunctionID = 1;
+
+ idx++;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICactions_Admitted;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricSubscriptionRsp->protocolIEs.list.array[idx]->value.present =\
+ RICsubscriptionResponse_IEs__value_PR_RICaction_Admitted_List;
+ BuildRicAdmitListret =
+ BuildRicAdmitList(&ricSubscriptionRsp->protocolIEs.list.array[idx]->value.choice.RICaction_Admitted_List);
+ if(BuildRicAdmitListret != ROK)
+ {
+ ret = RFAILED;
+ }
+ }
+ }
+ }
+ return ret;
+}
+/*******************************************************************
+ *
+ * @brief Builds and Send the RicSubscriptionRsp
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicSubscriptionRsp
+ *
+ * Functionality:Fills the RicSubscriptionRsp
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildAndSendRicSubscriptionRsp()
+{
+
+ E2AP_PDU_t *e2apRicMsg = NULLP;
+ RICsubscriptionResponse_t *ricSubscriptionRsp=NULLP;
+ asn_enc_rval_t encRetVal;
+ uint8_t ret = RFAILED;
+ uint8_t FillRicricSubscriptionRspret;
+
+ while(true)
+ {
+ DU_LOG("\nINFO --> E2AP : Building RIC Subscription Response\n");
+
+ DU_ALLOC(e2apRicMsg, sizeof(E2AP_PDU_t));
+ if(e2apRicMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apRicMsg->present = E2AP_PDU_PR_successfulOutcome;
+ DU_ALLOC(e2apRicMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ if(e2apRicMsg->choice.successfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for RIC subscription Response failed");
+ break;
+ }
+
+ e2apRicMsg->choice.successfulOutcome->procedureCode = ProcedureCodeE2_id_RICsubscription;
+ e2apRicMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
+ e2apRicMsg->choice.successfulOutcome->value.present = \
+ SuccessfulOutcomeE2__value_PR_RICsubscriptionResponse;
+ ricSubscriptionRsp = &e2apRicMsg->choice.successfulOutcome->value.choice.RICsubscriptionResponse;
+
+ FillRicricSubscriptionRspret = FillRicSubscriptionRsp(ricSubscriptionRsp);
+ if(FillRicricSubscriptionRspret != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for RICsubscriptionResponseIE failed");
+ break;
+ }
+
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apRicMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apRicMsg, PrepFinalEncBuf,\
+ encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RIC Subscription Response structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for RIC subscription response \n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Sending RIC Subscription Response failed");
+ break;
+ }
+
+ ret = ROK;
+ break;
+
+ }
+ FreeRicSubscriptionRsp(e2apRicMsg);
+
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated bu aper decoder for e2 setup response
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfE2SetupRsp
+ *
+ * Functionality: Deallocation of memory allocated bu aper decoder for e2
+ * setup response
+ *
+ * @params[in] E2setupResponse_t *e2SetRspMsg;
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfE2SetupRsp(E2setupResponse_t *e2SetRspMsg)
+{
+ uint8_t arrIdx, e2NodeConfigAddAckListIdx;
+ E2nodeComponentConfigAdditionAck_ItemIEs_t *e2NodeAddAckItem;
+ E2nodeComponentConfigAdditionAck_List_t *e2NodeConfigAddAckList;
+
+ if(e2SetRspMsg)
+ {
+ if(e2SetRspMsg->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<e2SetRspMsg->protocolIEs.list.count; arrIdx++)
+ {
+ if(e2SetRspMsg->protocolIEs.list.array[arrIdx])
+ {
+ switch(e2SetRspMsg->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_GlobalRIC_ID:
+ {
+ free(e2SetRspMsg->protocolIEs.list.array[arrIdx]->value.choice.GlobalRIC_ID.pLMN_Identity.buf);
+ free(e2SetRspMsg->protocolIEs.list.array[arrIdx]->value.choice.GlobalRIC_ID.ric_ID.buf);
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigAdditionAck:
+ {
+ e2NodeConfigAddAckList = &e2SetRspMsg->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAdditionAck_List;
+ if(e2NodeConfigAddAckList->list.array )
+ {
+ for(e2NodeConfigAddAckListIdx = 0; e2NodeConfigAddAckListIdx< e2NodeConfigAddAckList->list.count; e2NodeConfigAddAckListIdx++)
+ {
+ if(e2NodeConfigAddAckList->list.array[e2NodeConfigAddAckListIdx])
+ {
+ e2NodeAddAckItem = (E2nodeComponentConfigAdditionAck_ItemIEs_t*) e2NodeConfigAddAckList->list.array[e2NodeConfigAddAckListIdx];
+ free(e2NodeAddAckItem->value.choice.E2nodeComponentConfigAdditionAck_Item.e2nodeComponentID.choice.\
+ e2nodeComponentInterfaceTypeF1->gNB_DU_ID.buf);
+ free(e2NodeAddAckItem->value.choice.E2nodeComponentConfigAdditionAck_Item.e2nodeComponentID.choice.\
+ e2nodeComponentInterfaceTypeF1);
+ free(e2NodeConfigAddAckList->list.array[e2NodeConfigAddAckListIdx]);
+ }
+ }
+ free(e2NodeConfigAddAckList->list.array);
+ }
+ break;
+ }
+ }
+ free(e2SetRspMsg->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(e2SetRspMsg->protocolIEs.list.array);
+ }
+ }
+}
+/******************************************************************
+ *
+ * @brief Processes E2 Setup Response sent by RIC
+ *
+ * @details
+ *
+ * Function : procE2SetupRsp
+ *
+ * Functionality: Processes E2 Setup Response sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t procE2SetupRsp(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0, transId=0;
+ uint32_t recvBufLen;
+ E2setupResponse_t *e2SetRspMsg;
+ CmLList *node;
+ E2NodeComponent *e2NodeComponentInfo;
+
+ DU_LOG("\nINFO --> E2AP : E2 Setup Response received");
+ duCb.e2Status = TRUE; //Set E2 status as true
+ e2SetRspMsg = &e2apMsg->choice.successfulOutcome->value.choice.E2setupResponse;
+
+ for(arrIdx=0; arrIdx<e2SetRspMsg->protocolIEs.list.count; arrIdx++)
+ {
+ switch(e2SetRspMsg->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = e2SetRspMsg->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+ if((duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId == transId) &&\
+ (duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode == e2apMsg->choice.successfulOutcome->procedureCode))
+ {
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
+ return RFAILED;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_GlobalRIC_ID:
+ {
+ /* To store the Ric Id Params */
+ recvBufLen = sizeof(e2SetRspMsg->protocolIEs.list.array[arrIdx]->value\
+ .choice.GlobalRIC_ID.pLMN_Identity.size);
+ memcpy(&duCb.e2apDb.ricId.plmnId, e2SetRspMsg->protocolIEs.list.array[arrIdx]\
+ ->value.choice.GlobalRIC_ID.pLMN_Identity.buf, recvBufLen);
+ bitStringToInt(&e2SetRspMsg->protocolIEs.list.array[arrIdx]->value.choice.GlobalRIC_ID.ric_ID, &duCb.e2apDb.ricId);
+ /*TODO : duCb.e2apDb.ricId.plmnId memory to be deallocated after the usage */
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2nodeComponentConfigAdditionAck:
+ break;
+
+ default:
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in E2SetupRsp:%ld",
+ e2SetRspMsg->protocolIEs.list.array[arrIdx]->id);
+ break;
+ }
+ }
+ freeAperDecodingOfE2SetupRsp(e2SetRspMsg);
+
+ node = searchE2NodeComponentInfo(F1, E2_NODE_COMPONENT_ADD);
+ if(!node)
+ {
+ DU_LOG("\nERROR --> E2AP : Received e2NodeComponentInfo is null");
+ return RFAILED;
+ }
+ else
+ {
+ e2NodeComponentInfo = (E2NodeComponent*)node->node;
+ cmLListDelFrm(&duCb.e2apDb.e2NodeComponentList, node);
+ DU_FREE(e2NodeComponentInfo->componentRequestPart, e2NodeComponentInfo->reqBufSize);
+ DU_FREE(e2NodeComponentInfo->componentResponsePart, e2NodeComponentInfo->rspBufSize);
+ DU_FREE(e2NodeComponentInfo, sizeof(E2NodeComponent));
+ DU_FREE(node, sizeof(CmLList));
+ }
+
+ BuildAndSendE2NodeConfigUpdate();
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Free RIC Subscription Request
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicSubsReq
+ *
+ * Functionality : Free RIC Subscription Request
+ *
+ * @return void
+ *
+ ******************************************************************/
+void freeAperDecodingOfRicSubsReq(RICsubscriptionRequest_t *ricSubscriptionReq)
+{
+ uint8_t idx = 0;
+ uint8_t elementIdx = 0;
+ RICsubscriptionDetails_t *subsDetails = NULLP;
+ RICaction_ToBeSetup_ItemIEs_t *actionItem = NULLP;
+
+ if(ricSubscriptionReq->protocolIEs.list.array)
+ {
+ for(idx=0; idx < ricSubscriptionReq->protocolIEs.list.count; idx++)
+ {
+ switch(ricSubscriptionReq->protocolIEs.list.array[idx]->id)
+ {
+ case ProtocolIE_IDE2_id_RICsubscriptionDetails:
+ {
+ subsDetails = &(ricSubscriptionReq->protocolIEs.list.array[idx]->value.choice.RICsubscriptionDetails);
+ free(subsDetails->ricEventTriggerDefinition.buf);
+
+ if(subsDetails->ricAction_ToBeSetup_List.list.array)
+ {
+ for(elementIdx = 0; elementIdx < subsDetails->ricAction_ToBeSetup_List.list.count; elementIdx++)
+ {
+ if(subsDetails->ricAction_ToBeSetup_List.list.array[elementIdx])
+ {
+ actionItem = (RICaction_ToBeSetup_ItemIEs_t *)subsDetails->ricAction_ToBeSetup_List.\
+ list.array[elementIdx];
+ if(actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionDefinition)
+ {
+ free(actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionDefinition->buf);
+ free(actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionDefinition);
+ }
+ free(subsDetails->ricAction_ToBeSetup_List.list.array[elementIdx]);
+ }
+ }
+ free(subsDetails->ricAction_ToBeSetup_List.list.array);
+ }
+ break;
+ }
+ }
+ free(ricSubscriptionReq->protocolIEs.list.array[idx]);
+ }
+ free(ricSubscriptionReq->protocolIEs.list.array);
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Free Event Trigger Definition
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfEventTriggerDef
+ *
+ * Functionality: Free Event Trigger Definition
+ *
+ * @params[in] E2SM-KPM Event Trigger Definition
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfEventTriggerDef(E2SM_KPM_EventTriggerDefinition_t *eventTiggerDef)
+{
+ if(eventTiggerDef)
+ {
+ switch(eventTiggerDef->eventDefinition_formats.present)
+ {
+ case E2SM_KPM_EventTriggerDefinition__eventDefinition_formats_PR_NOTHING:
+ break;
+
+ case E2SM_KPM_EventTriggerDefinition__eventDefinition_formats_PR_eventDefinition_Format1:
+ free(eventTiggerDef->eventDefinition_formats.choice.eventDefinition_Format1);
+ break;
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Extract E2SM-KPM Event trigger definition
+ *
+ * @details
+ *
+ * Function : extractEventTriggerDef
+ *
+ * Functionality : This function :
+ * - Decodes E2SM-KPM Event Trigger Definition
+ * - Validates that even trigger style is supported by E2 node
+ * - Stores event trigger details in local DB
+ *
+ * @params[in] RAN Function Database structure
+ * RIC Subscription Info to be added to RAN function
+ * RIC Event Trigger Definition buffer received from RIC
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t extractEventTriggerDef(RanFunction *ranFuncDb, RicSubscription *ricSubscriptionInfo, RICeventTriggerDefinition_t *ricEventTriggerDef)
+{
+ uint8_t ret = RFAILED;
+ uint8_t eventIdx = 0;
+ asn_dec_rval_t rval ={0};
+ E2SM_KPM_EventTriggerDefinition_t eventTiggerDef, *eventTiggerDefPtr = NULLP;
+
+ /* Decoding E2SM-KPM Even Trigger Definition */
+ eventTiggerDefPtr = &eventTiggerDef;
+ memset(eventTiggerDefPtr, 0, sizeof(E2SM_KPM_EventTriggerDefinition_t));
+
+ rval = aper_decode(0, &asn_DEF_E2SM_KPM_EventTriggerDefinition, (void **)&eventTiggerDefPtr, ricEventTriggerDef->buf,\
+ ricEventTriggerDef->size, 0, 0);
+ if(rval.code == RC_FAIL || rval.code == RC_WMORE)
+ {
+ DU_LOG("\nERROR --> E2AP : ASN decode failed for E2SM-KPM Event Trigger Definition");
+ return RFAILED;
+ }
+ printf("\n");
+ xer_fprint(stdout, &asn_DEF_E2SM_KPM_EventTriggerDefinition, eventTiggerDefPtr);
+
+ /* Validating the received event trigger definition format */
+ for(eventIdx = 0; eventIdx < ranFuncDb->numOfEventTriggerStyleSupported; eventIdx++)
+ {
+ if((eventTiggerDefPtr->eventDefinition_formats.present != \
+ E2SM_KPM_EventTriggerDefinition__eventDefinition_formats_PR_NOTHING) && \
+ (eventTiggerDefPtr->eventDefinition_formats.present == ranFuncDb->eventTriggerStyleList[eventIdx].formatType))
+ {
+ ricSubscriptionInfo->eventTriggerDefinition.formatType = ranFuncDb->eventTriggerStyleList[eventIdx].formatType;
+ ricSubscriptionInfo->eventTriggerDefinition.choice.format1.reportingPeriod = \
+ eventTiggerDefPtr->eventDefinition_formats.choice.eventDefinition_Format1->reportingPeriod;
+
+ ret = ROK;
+ break;
+ }
+ }
+
+ /* Free E2SM_KPM_EventTriggerDefinition_t */
+ freeAperDecodingOfEventTriggerDef(eventTiggerDefPtr);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Free RIC Action Definition
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicActionDefinition
+ *
+ * Functionality: Free RIC Action Definition
+ *
+ * @params[in] E2SM-KPM Action definition
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfRicActionDefinition(E2SM_KPM_ActionDefinition_t *actionDef)
+{
+ uint8_t elementIdx = 0;
+ E2SM_KPM_ActionDefinition_Format1_t *actionFormat1 = NULLP;
+ MeasurementInfoItem_t *measItem = NULLP;
+
+ switch(actionDef->actionDefinition_formats.present)
+ {
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format1:
+ {
+ if(actionDef->actionDefinition_formats.choice.actionDefinition_Format1)
+ {
+ actionFormat1 = actionDef->actionDefinition_formats.choice.actionDefinition_Format1;
+ if(actionFormat1->measInfoList.list.array)
+ {
+ for(elementIdx = 0; elementIdx < actionFormat1->measInfoList.list.count; elementIdx++)
+ {
+ if(actionFormat1->measInfoList.list.array[elementIdx])
+ {
+ measItem = actionFormat1->measInfoList.list.array[elementIdx];
+ switch(measItem->measType.present)
+ {
+ case MeasurementType_PR_NOTHING:
+ break;
+
+ case MeasurementType_PR_measName:
+ {
+ free(measItem->measType.choice.measName.buf);
+ break;
+ }
+
+ case MeasurementType_PR_measID:
+ break;
+ }
+ free(measItem);
+ }
+ }
+ free(actionFormat1->measInfoList.list.array);
+ }
+ free(actionFormat1);
+ }
+ break;
+ }
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format2:
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format3:
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format4:
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format5:
+ default:
+ break;
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Extract Measurement Info list from action definition
+ *
+ * @details
+ *
+ * Function : extractMeasInfoList
+ *
+ * Functionality : This function :
+ * - Traverses Measurement-to-be-subscribed list
+ * - Validates that each measurement in Measurement-to-be-subscribed
+ * list is supported in RAN-Function->Measurement-supported list.
+ * - If all measurements in an action is supported by RAN function,
+ * it is added to measurement-subscribed list in local DB
+ *
+ * @params[in] Measurement Info supported list by RAN function
+ * Measurement Info to be subscribed as requested by RIC
+ * Measurement Info finally subscribed
+ * Memory failure indicator
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t extractMeasInfoList(CmLListCp *measInfoSupportedList, MeasurementInfoList_t *measInfoToBeSubscribedList, \
+ CmLListCp *measInfoSubscribedList, bool *memFailure)
+{
+ uint8_t elementIdx = 0;
+ MeasurementInfoForAction *measInfoSupportedDb = NULLP;
+ MeasurementInfo *measInfoSubscribedDb = NULLP, *measInfoToDel = NULLP;
+ CmLList *supportedMeasNode = NULLP, *measToAddNode = NULLP, *measToDelNode = NULLP;;
+ MeasurementInfoItem_t *measItem = NULLP;
+
+ /* Validate Measurement list is supported by E2 node.
+ *
+ * Traverse and compare the Measurement-Supported List in E2
+ * node with Measurement-to-be-subscribed list received from RIC.
+ * If a match is found, add it to measurement-subscription list.
+ */
+ for(elementIdx = 0; elementIdx < measInfoToBeSubscribedList->list.count; elementIdx++)
+ {
+ measInfoSubscribedDb = NULLP;
+ measToAddNode = NULLP;
+ measItem = measInfoToBeSubscribedList->list.array[elementIdx];
+
+ CM_LLIST_FIRST_NODE(measInfoSupportedList, supportedMeasNode);
+ while(supportedMeasNode)
+ {
+ measInfoSupportedDb = (MeasurementInfoForAction*)supportedMeasNode->node;
+ switch(measItem->measType.present)
+ {
+ case MeasurementType_PR_measName:
+ {
+ if(!strcmp(measInfoSupportedDb->measurementTypeName, (char *)measItem->measType.choice.measName.buf))
+ {
+ DU_ALLOC(measInfoSubscribedDb, sizeof(MeasurementInfo));
+ }
+ break;
+ }
+
+ case MeasurementType_PR_measID:
+ {
+ if(measInfoSupportedDb->measurementTypeId == measItem->measType.choice.measID)
+ {
+ DU_ALLOC(measInfoSubscribedDb, sizeof(MeasurementInfo));
+ }
+ break;
+ }
+
+ default:
+ {
+ DU_LOG("\nERROR -> DUAPP: Invalid Measurement-type identifier in \
+ E2SM-KPM Action Definition Format");
+ break;
+ }
+ } /* End of switch, for measurement type identifier */
+
+ /* If measurement type is supported, add to measurement-subscription list */
+ if(measInfoSubscribedDb)
+ {
+ measInfoSubscribedDb->measurementTypeId = measInfoSupportedDb->measurementTypeId;
+ memcpy(measInfoSubscribedDb->measurementTypeName, measInfoSupportedDb->measurementTypeName, \
+ strlen(measInfoSupportedDb->measurementTypeName));
+
+ DU_ALLOC(measToAddNode, sizeof(CmLList));
+ if(measToAddNode)
+ {
+ measToAddNode->node = (PTR) measInfoSubscribedDb;
+ cmLListAdd2Tail(measInfoSubscribedList, measToAddNode);
+
+ /* Break out of while loop if measurement info is found in measurement-supported list */
+ break;
+ }
+ else
+ {
+ DU_FREE(measInfoSubscribedDb, sizeof(MeasurementInfo));
+ measInfoSubscribedDb = NULLP;
+ *memFailure = true;
+ break;
+ }
+ }
+
+ supportedMeasNode = supportedMeasNode->next;
+
+ } /* End of while for traversing measurement-supported list in a report style */
+
+ /* If a measurement-to-be-subscribed is not found in measurement-supported list in this report style
+ * Then :
+ * Delete all entries from measurement-subscription list and
+ * Break out of for loop to search in next report style */
+ if(!measInfoSubscribedDb)
+ {
+ while(measInfoSubscribedList->count)
+ {
+ measToDelNode = cmLListDelFrm(measInfoSubscribedList, measInfoSubscribedList->first);
+ measInfoToDel = (MeasurementInfo*)measToDelNode->node;
+ DU_FREE(measInfoToDel, sizeof(MeasurementInfo));
+ DU_FREE(measToDelNode, sizeof(CmLList));
+ }
+ break;
+ }
+
+ } /* End of for loop , traversing measurement-to-be-subscribed list */
+
+ /* If all measurement-to-be-subscribed was found in measurement-supported list and
+ * was added to measurement-subscription list successfully, return from here */
+ if(measInfoToBeSubscribedList->list.count == measInfoSubscribedList->count)
+ return ROK;
+
+ return RFAILED;
+}
+
+/*******************************************************************
+ *
+ * @brief Extract E2SM-KPM Action definition
+ *
+ * @details
+ *
+ * Function : extractRicActionDef
+ *
+ * Functionality : This function :
+ * - Decodes E2SM-KPM Action Definition
+ * - Validates that action is supported by E2 node
+ * - Stores action details in local DB
+ *
+ * @params[in] RAN Function Database structure
+ * RIC subscription's Action definition to be added to
+ * RAN function
+ * RIC Action Definition buffer received from RIC
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t extractRicActionDef(RanFunction *ranFuncDb, ActionDefinition *actionDefDb, RICactionDefinition_t *ricActionDef)
+{
+ bool memFailure = false;
+ uint8_t styleIdx = 0;
+ asn_dec_rval_t rval ={0};
+
+ E2SM_KPM_ActionDefinition_t actionDef, *actionDefPtr = NULLP;
+ E2SM_KPM_ActionDefinition_Format1_t *actionFormat1 = NULLP;
+ CmLListCp *measInfoSupportedList = NULLP;
+ CmLListCp *measInfoSubscribedList = NULLP;
+
+ /* Decoding E2SM-KPM Action Definition */
+ actionDefPtr = &actionDef;
+ memset(actionDefPtr, 0, sizeof(E2SM_KPM_EventTriggerDefinition_t));
+
+ rval = aper_decode(0, &asn_DEF_E2SM_KPM_ActionDefinition, (void **)&actionDefPtr, ricActionDef->buf,\
+ ricActionDef->size, 0, 0);
+ if(rval.code == RC_FAIL || rval.code == RC_WMORE)
+ {
+ DU_LOG("\nERROR --> E2AP : ASN decode failed for E2SM-KPM Action Definition");
+ return RFAILED;
+ }
+ printf("\n");
+ xer_fprint(stdout, &asn_DEF_E2SM_KPM_ActionDefinition, actionDefPtr);
+
+
+ /* Validate if Report style to subscribe is supported by E2 Node */
+ for(styleIdx= 0; styleIdx < ranFuncDb->numOfReportStyleSupported; styleIdx++)
+ {
+ /* Validate Report style type and report style format type is supported by E2 Node */
+ if((ranFuncDb->reportStyleList[styleIdx].reportStyle.styleType == actionDefPtr->ric_Style_Type) &&
+ (ranFuncDb->reportStyleList[styleIdx].reportStyle.formatType == actionDefPtr->actionDefinition_formats.present))
+ {
+ /* Fetch Report stype type and format type */
+ actionDefDb->styleType = actionDefPtr->ric_Style_Type;
+ actionDefDb->formatType = actionDefPtr->actionDefinition_formats.present;
+
+ switch(actionDefPtr->actionDefinition_formats.present)
+ {
+ case E2SM_KPM_ActionDefinition__actionDefinition_formats_PR_actionDefinition_Format1:
+ {
+ actionFormat1 = actionDefPtr->actionDefinition_formats.choice.actionDefinition_Format1;
+
+ /* Fetch granularity period */
+ actionDefDb->choice.format1.granularityPeriod = actionFormat1->granulPeriod;
+
+ /* Validate and add the Measurement to subscription list */
+ measInfoSupportedList = &ranFuncDb->reportStyleList[styleIdx].measurementInfoList;
+ measInfoSubscribedList = &actionDefDb->choice.format1.measurementInfoList;
+ if(extractMeasInfoList(measInfoSupportedList, &actionFormat1->measInfoList, \
+ measInfoSubscribedList, &memFailure) == ROK)
+ {
+ if(!memFailure)
+ {
+ /* Free E2SM_KPM_ActionDefinition_t */
+ freeAperDecodingOfRicActionDefinition(actionDefPtr);
+ return ROK;
+ }
+ }
+
+ break; /* End of E2SM-KPM Action definition format 1 case */
+ }
+
+ default :
+ {
+ DU_LOG("\nERROR -> DUAPP: Only E2SM-KPM Action Definition Format 1 is supported");
+ break;
+ }
+ } /* End of switch for E2SM-KPM Action definition formats */
+ }
+
+ if(memFailure)
+ break;
+ } /* End of for loop, traversing Report-styles-supported list in E2 node */
+
+ /* Memset action Db and Free E2SM_KPM_ActionDefinition_t */
+ memset(actionDefDb, 0, sizeof(ActionDefinition));
+ freeAperDecodingOfRicActionDefinition(actionDefPtr);
+ return RFAILED;
+}
+
+/*******************************************************************
+ *
+ * @brief Extract RIC Action to be setup
+ *
+ * @details
+ *
+ * Function : extractRicActionToBeSetup
+ *
+ * Functionality : This function :
+ * - Validates that each action-to-be-setup is supported by E2 node
+ * - Stores event trigger details in local DB
+ *
+ * @params[in] RAN Function Database structure
+ * RIC Subscription Info to be added to RAN function
+ * RIC Action To Be Setup List received from RIC
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t extractRicActionToBeSetup(RanFunction *ranFuncDb, RicSubscription *ricSubscriptionInfo, RICactions_ToBeSetup_List_t *actionList)
+{
+ uint8_t actionIdx = 0;
+ uint8_t ricActionId = 0;
+ RICaction_ToBeSetup_ItemIEs_t *actionItem = NULLP;
+
+ if(actionList->list.array)
+ {
+ for(actionIdx = 0; actionIdx < actionList->list.count; actionIdx++)
+ {
+ actionItem =(RICaction_ToBeSetup_ItemIEs_t *)actionList->list.array[actionIdx];
+ switch(actionItem->id)
+ {
+ case ProtocolIE_IDE2_id_RICaction_ToBeSetup_Item:
+ {
+ /* If Action type is REPORT and
+ * If RIC action definition's extraction and validation passes,
+ * Then :
+ * This action is added to action sequence list of subscription info */
+ if(actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionType == RICactionType_report)
+ {
+ ricActionId = actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionID;
+ ricSubscriptionInfo->actionSequence[ricActionId-1].id = ricActionId;
+ ricSubscriptionInfo->actionSequence[ricActionId-1].type = REPORT;
+
+ if(extractRicActionDef(ranFuncDb, &ricSubscriptionInfo->actionSequence[ricActionId-1].definition, \
+ actionItem->value.choice.RICaction_ToBeSetup_Item.ricActionDefinition) == ROK)
+ {
+ ricSubscriptionInfo->actionSequence[ricActionId-1].action = CONFIG_ADD;
+ ricSubscriptionInfo->numOfActions++;
+ }
+ else
+ {
+ memset(&ricSubscriptionInfo->actionSequence[ricActionId-1], 0, sizeof(ActionInfo));
+ /* TODO : Since this action addition failed, add to
+ * reject-action-list in subscription response */
+ }
+ }
+ break;
+ }
+ default:
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in RicSetupLst:%ld",actionItem->id);
+ break;
+ }
+ }
+ }
+
+ /* If there is even 1 action that can be added, return ROK */
+ if(ricSubscriptionInfo->numOfActions)
+ return ROK;
+
+ return RFAILED;
+}
+
+/******************************************************************
+ *
+ * @brief Processes RIC Subscription Req sent by RIC
+ *
+ * @details
+ *
+ * Function : procRicSubsReq
+ *
+ * Functionality: Processes E2 Setup Response sent by CU
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t procRicSubsReq(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t idx = 0;
+ uint8_t ret = ROK;
+ uint16_t ranFuncId = 0;
+ CmLList *ricSubscriptionNode = NULLP;
+ RanFunction *ranFuncDb = NULLP;
+ RICsubscriptionRequest_t *ricSubsReq = NULLP;
+ RICsubscriptionDetails_t *subsDetails = NULLP;
+ RicSubscription *ricSubscriptionInfo = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : RIC Subscription request received");
+ ricSubsReq = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionRequest;
+
+ for(idx=0; idx<ricSubsReq->protocolIEs.list.count; idx++)
+ {
+ if(ricSubsReq->protocolIEs.list.array[idx])
+ {
+ switch(ricSubsReq->protocolIEs.list.array[idx]->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ {
+ DU_ALLOC(ricSubscriptionInfo, sizeof(RicSubscription));
+ if(!ricSubscriptionInfo)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for ricSubscriptionInfo");
+ ret = RFAILED;
+ break;
+ }
+ ricSubscriptionInfo->requestId.requestorId = ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricRequestorID;
+ ricSubscriptionInfo->requestId.instanceId = ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricInstanceID;
+
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ {
+ ranFuncId = ricSubsReq->protocolIEs.list.array[idx]->value.choice.RANfunctionID;
+
+ /* Validating RAN Function id */
+ if(duCb.e2apDb.ranFunction[ranFuncId-1].id == ranFuncId)
+ {
+ ranFuncDb = &duCb.e2apDb.ranFunction[ranFuncId-1];
+ }
+ else
+ {
+ /* TODO : Send RAN Subcription Failure */
+ ret = RFAILED;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICsubscriptionDetails:
+ {
+ subsDetails = &ricSubsReq->protocolIEs.list.array[idx]->value.choice.RICsubscriptionDetails;
+
+ /* Decode, Validate and record Event Trigger Definition */
+ if(extractEventTriggerDef(ranFuncDb, ricSubscriptionInfo, &subsDetails->ricEventTriggerDefinition) != ROK)
+ {
+ /* TODO : Send RAN Subcription Failure */
+ ret = RFAILED;
+ break;
+ }
+
+ /* Decode, Validate and record RIC actions */
+ if(extractRicActionToBeSetup(ranFuncDb, ricSubscriptionInfo, &subsDetails->ricAction_ToBeSetup_List) != ROK)
+ {
+ /* TODO : Send RAN Subcription Failure */
+ ret = RFAILED;
+ break;
+ }
+ }
+ break;
+
+ default:
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in RIC SubsReq:%ld",
+ ricSubsReq->protocolIEs.list.array[idx]->id);
+ break;
+ }
+
+ if(ret == RFAILED)
+ break;
+ }
+ }
+
+ freeAperDecodingOfRicSubsReq(ricSubsReq);
+
+ if(ret == ROK)
+ {
+ /* Add RAN subcription detail to RAN function */
+ DU_ALLOC(ricSubscriptionNode, sizeof(CmLList));
+ if(ricSubscriptionNode)
+ {
+ ricSubscriptionNode->node = (PTR) ricSubscriptionInfo;
+ cmLListAdd2Tail(&ranFuncDb->subscriptionList, ricSubscriptionNode);
+ }
+
+#ifdef KPI_CALCULATION
+ /* Send statistics request to other DU entities */
+ BuildAndSendStatsReq(ranFuncId, ricSubscriptionInfo);
+#endif
+
+ /* TODO : Trigger RIC subscription response once statistics response is
+ * received from MAC .
+ * TBD in next gerrit */
+ ret = BuildAndSendRicSubscriptionRsp();
+ {
+ BuildAndSendRicIndication(ricSubscriptionInfo);
+ }
+ }
+
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Free the RicIndication Message
+ *
+ * @details
+ *
+ * Function : FreeRicIndication
+ *
+ * Functionality: Free the RicIndication Message
+ *
+ * @return void
+ *
+ *
+ ******************************************************************/
+void FreeRicIndication(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t idx = 0;
+ RICindication_t *ricIndicationMsg= NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ ricIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.RICindication;
+ if(ricIndicationMsg!= NULLP)
+ {
+ if(ricIndicationMsg->protocolIEs.list.array != NULLP)
+ {
+ for(idx=0; idx<ricIndicationMsg->protocolIEs.list.count; idx++)
+ {
+ if(ricIndicationMsg->protocolIEs.list.array[idx] != NULLP)
+ {
+ switch(ricIndicationMsg->protocolIEs.list.array[idx]->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ break;
+
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ break;
+
+ case ProtocolIE_IDE2_id_RICactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_RICindicationType:
+ break;
+
+ case ProtocolIE_IDE2_id_RICindicationHeader:
+ {
+ DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf,\
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size);
+ break;
+ }
+ case ProtocolIE_IDE2_id_RICindicationMessage:
+ {
+ DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf,\
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size);
+ break;
+ }
+ default:
+ break;
+ }
+ DU_FREE(ricIndicationMsg->protocolIEs.list.array[idx],sizeof(RICindication_IEs_t));
+ }
+ }
+ DU_FREE(ricIndicationMsg->protocolIEs.list.array,ricIndicationMsg->protocolIEs.list.size);
+ }
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * brief Fill the RicIndication Message
+ *
+ * @details
+ *
+ * Function : FillRicIndication
+ *
+ * Functionality:Fills the RicIndication Message
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t FillRicIndication(RICindication_t *ricIndicationMsg, RicSubscription *ricSubscriptionInfo)
+{
+ uint8_t elementCnt=0;
+ uint8_t idx=0;
+ uint8_t ret = ROK;
+ elementCnt = 6;
+
+ ricIndicationMsg->protocolIEs.list.count = elementCnt;
+ ricIndicationMsg->protocolIEs.list.size = elementCnt * sizeof(RICindication_t);
+ /* Initialize the Ric Indication members */
+ DU_ALLOC(ricIndicationMsg->protocolIEs.list.array, \
+ ricIndicationMsg->protocolIEs.list.size);
+ if(ricIndicationMsg->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for RICindicationIEs failed");
+ ret = RFAILED;
+ }
+ else
+ {
+ for(idx=0; idx<elementCnt; idx++)
+ {
+ DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx],\
+ sizeof(RICindication_IEs_t));
+ if(ricIndicationMsg->protocolIEs.list.array[idx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for RICindicationIEs failed");
+ ret = RFAILED;
+ }
+ }
+ if(ret != RFAILED)
+ {
+ idx = 0;
+
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+ RICindication_IEs__value_PR_RICrequestID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricRequestorID =ricSubscriptionInfo->requestId.requestorId;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICrequestID.ricInstanceID = ricSubscriptionInfo->requestId.instanceId;
+
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+ RICindication_IEs__value_PR_RANfunctionID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RANfunctionID = duCb.e2apDb.ranFunction[0].id;
+
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICactionID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+ RICindication_IEs__value_PR_RICactionID;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICactionID = ricSubscriptionInfo->actionSequence[0].id;
+
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationType;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+ RICindication_IEs__value_PR_RICindicationType;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationType = ricSubscriptionInfo->actionSequence[0].type;
+
+ idx++;
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationHeader;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+ RICindication_IEs__value_PR_RICindicationHeader;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size = 3 *
+ sizeof(uint8_t);
+ DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf ,\
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.size);
+ if(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for RICindicationIEs failed");
+ ret = RFAILED;
+ }
+ else
+ {
+ buildPlmnId(duCfgParam.srvdCellLst[0].duCellInfo.cellInfo.nrCgi.plmn, \
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationHeader.buf);
+ idx++;
+ /* TO BE CHANGED: RIC INDICATION DATA */
+ /* For now filling a dummy octect data, need to tested with PRBs*/
+ ricIndicationMsg->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RICindicationMessage;
+ ricIndicationMsg->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.present = \
+ RICindication_IEs__value_PR_RICindicationMessage;
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size = 3 *
+ sizeof(uint8_t);
+ DU_ALLOC(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf ,\
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.size);
+ if(ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for RICindicationIEs failed");
+ ret = RFAILED;
+ }
+ else
+ {
+ buildPlmnId(duCfgParam.srvdCellLst[0].duCellInfo.cellInfo.nrCgi.plmn, \
+ ricIndicationMsg->protocolIEs.list.array[idx]->value.choice.RICindicationMessage.buf);
+ }
+ }
+ }
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send the RicIndication Message
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicIndication
+ *
+ * Functionality:Fills the RicIndication Message
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildAndSendRicIndication(RicSubscription *ricSubscriptionInfo)
+{
+ E2AP_PDU_t *e2apMsg = NULLP;
+ RICindication_t *ricIndicationMsg=NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+ uint8_t ret = RFAILED;
+ uint8_t FillRicIndicationret = ROK;
+
+ while(true)
+ {
+ DU_LOG("\nINFO --> E2AP : Building RIC Indication Message\n");
+
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICindication;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICindication;
+
+ ricIndicationMsg = &e2apMsg->choice.initiatingMessage->value.choice.RICindication;
+
+ FillRicIndicationret = FillRicIndication(ricIndicationMsg, ricSubscriptionInfo);
+ if(FillRicIndicationret != ROK)
+ {
+ break;
+ }
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
+ encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RIC Indication Message (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for RIC Indication Message \n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nINFO --> E2AP : Sending RIC Indication Message");
+
+ }
+ ret = ROK;
+ break;
+ }
+ FreeRicIndication(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2nodeConfigurationUpdate msg
+ *
+ * @details
+ *
+ * Function : FreeE2NodeConfigUpdate
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2nodeConfigurationUpdate
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeE2NodeConfigUpdate(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0;
+ E2nodeConfigurationUpdate_t *e2NodeConfigUpdate;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ e2NodeConfigUpdate = &e2apMsg->choice.initiatingMessage->value.choice.E2nodeConfigurationUpdate;
+ if(e2NodeConfigUpdate->protocolIEs.list.array != NULLP)
+ {
+ for(arrIdx = 0; arrIdx < e2NodeConfigUpdate->protocolIEs.list.count; arrIdx++)
+ {
+ DU_FREE(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx], sizeof(E2nodeConfigurationUpdate_IEs_t));
+ }
+ DU_FREE(e2NodeConfigUpdate->protocolIEs.list.array, e2NodeConfigUpdate->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 node config update msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2NodeConfigUpdate
+ *
+ * Functionality:
+ * - Buld and send the E2 node config update msg
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendE2NodeConfigUpdate()
+{
+ uint8_t arrIdx = 0,elementCnt = 1;
+ uint8_t ret = ROK;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ E2nodeConfigurationUpdate_t *e2NodeConfigUpdate = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Node config update\n");
+ do
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ return RFAILED;
+ }
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_E2nodeConfigurationUpdate;
+ e2apMsg->choice.initiatingMessage->value.present = \
+ InitiatingMessageE2__value_PR_E2nodeConfigurationUpdate;
+ e2NodeConfigUpdate = &e2apMsg->choice.initiatingMessage->value.choice.E2nodeConfigurationUpdate;
+
+ e2NodeConfigUpdate->protocolIEs.list.count = elementCnt;
+ e2NodeConfigUpdate->protocolIEs.list.size = elementCnt * sizeof(E2nodeConfigurationUpdate_IEs_t*);
+ /* Initialize the Ric Indication members */
+ DU_ALLOC(e2NodeConfigUpdate->protocolIEs.list.array, \
+ e2NodeConfigUpdate->protocolIEs.list.size);
+ if(e2NodeConfigUpdate->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for e2NodeConfigUpdate failed");
+ break;
+ }
+
+ for(arrIdx =0; arrIdx<elementCnt; arrIdx++)
+ {
+ DU_ALLOC(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx], sizeof(E2nodeConfigurationUpdate_IEs_t));
+ if(e2NodeConfigUpdate->protocolIEs.list.array[arrIdx] == NULLP)
+ {
+
+ DU_LOG("\nERROR --> E2AP : Memory allocation for e2NodeConfigUpdate failed");
+ break;
+ }
+ }
+
+ arrIdx = 0;
+ /* TransactionID */
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.present = E2nodeConfigurationUpdate_IEs__value_PR_TransactionID;
+ e2NodeConfigUpdate->protocolIEs.list.array[arrIdx]->value.choice.TransactionID = TRANS_ID;
+
+
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
+ encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2nodeConfigurationUpdate structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2nodeConfigurationUpdate\n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize))
+ {
+ DU_LOG("\nERROR --> E2AP : Sending E2 node config update failed");
+ return RFAILED;
+ }
+
+ break;
+ }while(true);
+
+ FreeE2NodeConfigUpdate(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2ResetRequest msg
+ *
+ * @details
+ *
+ * Function : FreeE2ResetRequest
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2ResetRequest
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeE2ResetRequest(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ ResetRequestE2_t *resetReq = NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ resetReq = &e2apMsg->choice.initiatingMessage->value.choice.ResetRequestE2;
+ if(resetReq->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < resetReq->protocolIEs.list.count; ieIdx++)
+ {
+ DU_FREE(resetReq->protocolIEs.list.array[ieIdx], sizeof(ResetRequestIEs_t));
+ }
+ DU_FREE(resetReq->protocolIEs.list.array, resetReq->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Build and send the E2 reset request msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2ResetRequest
+ *
+ * Functionality:
+ * - Buld and send the E2 reset request msg to RIC
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendE2ResetRequest(E2CauseType failureType, E2Cause failureCause)
+{
+ uint8_t ieIdx = 0, elementCnt = 0, transId = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ ResetRequestE2_t *resetReq = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Reset Request\n");
+
+ do
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendE2ResetRequest(): Memory allocation for E2AP-PDU failed");
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendE2ResetRequest(): Memory allocation for initiatingMessage");
+ break;
+ }
+
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_Reset;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_ResetRequestE2;
+ resetReq = &e2apMsg->choice.initiatingMessage->value.choice.ResetRequestE2;
+
+ elementCnt = 2;
+ resetReq->protocolIEs.list.count = elementCnt;
+ resetReq->protocolIEs.list.size = elementCnt * sizeof(ResetRequestIEs_t *);
+
+ DU_ALLOC(resetReq->protocolIEs.list.array, resetReq->protocolIEs.list.size);
+ if(!resetReq->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendE2ResetRequest(): Memory allocation failed for \
+ Reset Request IE array");
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ DU_ALLOC(resetReq->protocolIEs.list.array[ieIdx], sizeof(ResetRequestIEs_t));
+ if(!resetReq->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendE2ResetRequest(): Memory allocation failed for \
+ Reset Request IE array element");
+ break;
+ }
+ }
+
+ /* In case of failure */
+ if(ieIdx < elementCnt)
+ break;
+
+ ieIdx = 0;
+ resetReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ resetReq->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ resetReq->protocolIEs.list.array[ieIdx]->value.present = ResetRequestIEs__value_PR_TransactionID;
+ transId = assignTransactionId();
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ ieIdx++;
+ resetReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_CauseE2;
+ resetReq->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_ignore;
+ resetReq->protocolIEs.list.array[ieIdx]->value.present = ResetRequestIEs__value_PR_CauseE2;
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.present = failureType;
+ switch(resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.present)
+ {
+ case CauseE2_PR_NOTHING:
+ break;
+ case CauseE2_PR_ricRequest:
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.ricRequest = failureCause;
+ break;
+ case CauseE2_PR_ricService:
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.ricService = failureCause;
+ break;
+ case CauseE2_PR_e2Node:
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.e2Node = failureCause;
+ break;
+ case CauseE2_PR_transport:
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.transport = failureCause;
+ break;
+ case CauseE2_PR_protocol:
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.protocol = failureCause;
+ break;
+ case CauseE2_PR_misc:
+ resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.misc = failureCause;
+ break;
+ }
+
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf,\
+ encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2SetupRequest structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2SetupRequest\n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Sending E2 Setup request failed");
+ break;
+ }
+
+ /* In case the message is sent successfully, store the transaction info to
+ * be used when response is received */
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ /* Free all memory */
+ FreeE2ResetRequest(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for Reset Response msg
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfE2ResetRsp
+ *
+ * Functionality:
+ * - freeing the memory allocated for Reset response
+ *
+ * @params[in] ResetResponseE2_t *resetResponse
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfE2ResetRsp(ResetResponseE2_t *resetResponse)
+{
+ uint8_t ieIdx;
+
+ if(resetResponse)
+ {
+ if(resetResponse->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx < resetResponse->protocolIEs.list.count; ieIdx++)
+ {
+ if(resetResponse->protocolIEs.list.array[ieIdx])
+ {
+ switch(resetResponse->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_CriticalityDiagnosticsE2:
+ break;
+ }
+ free(resetResponse->protocolIEs.list.array[ieIdx]);
+ }
+ }
+ free(resetResponse->protocolIEs.list.array);
+ }
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Processes E2 Reset Response sent by RIC
+ *
+ * @details
+ *
+ * Function : procResetResponse
+ *
+ * Functionality: Processes E2 Reset Response sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t procResetResponse(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0, transId;
+ ResetResponseE2_t *resetResponse;
+
+ DU_LOG("\nINFO --> E2AP : E2 Reset Response received");
+ resetResponse = &e2apMsg->choice.successfulOutcome->value.choice.ResetResponseE2;;
+
+ for(ieIdx=0; ieIdx < resetResponse->protocolIEs.list.count; ieIdx++)
+ {
+ switch(resetResponse->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ transId = resetResponse->protocolIEs.list.array[ieIdx]->value.choice.TransactionID;
+ if((duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId == transId) && \
+ (duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode == e2apMsg->choice.successfulOutcome->procedureCode))
+ {
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
+ return RFAILED;
+ }
+ break;
+ case ProtocolIE_IDE2_id_CriticalityDiagnosticsE2:
+ /* As per ORAN WG3 E2AP spec v3.0, section 9.2.2
+ Criticality Diagnostics IE is sent by Near-RT RIC when parts of a received message i.e.
+ Reset Request in this case, have not been comprehended or were missing, or if the message
+ contained logical errors.
+
+ Processing of this ID should be implemented when negative call flows are to be supported.
+ */
+ break;
+ default:
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in E2 Reset Response : %ld",
+ resetResponse->protocolIEs.list.array[ieIdx]->id);
+ break;
+ }
+ }
+
+ freeAperDecodingOfE2ResetRsp(resetResponse);
+ return ROK;
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated bu aper decoder for e2 setup Failure
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfE2SetupFailure
+ *
+ * Functionality: Deallocation of memory allocated bu aper decoder for e2
+ * setup Failure
+ *
+ * @params[in] E2setupFailure_t *e2SetupFailure;
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfE2SetupFailure(E2setupFailure_t *e2SetupFailure)
+{
+ uint8_t arrIdx;
+
+ if(e2SetupFailure)
+ {
+ if(e2SetupFailure->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<e2SetupFailure->protocolIEs.list.count; arrIdx++)
+ {
+ if(e2SetupFailure->protocolIEs.list.array[arrIdx])
+ {
+ free(e2SetupFailure->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(e2SetupFailure->protocolIEs.list.array);
+ }
+ }
+}
+/******************************************************************
+ *
+ * @brief Processes E2 Setup Failure sent by RIC
+ *
+ * @details
+ *
+ * Function : procE2SetupFailure
+ *
+ * Functionality: Processes E2 Setup failure sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void procE2SetupFailure(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0, transId =0, timerValue=0;
+ E2setupFailure_t *e2SetupFailure;
+
+ DU_LOG("\nINFO --> E2AP : E2 Setup failure received");
+ e2SetupFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2setupFailure;
+
+ for(arrIdx=0; arrIdx<e2SetupFailure->protocolIEs.list.count; arrIdx++)
+ {
+ switch(e2SetupFailure->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = e2SetupFailure->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+ if((duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId == transId) &&\
+ (duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode == e2apMsg->choice.unsuccessfulOutcome->procedureCode))
+ {
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
+ return ;
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_TimeToWaitE2:
+ {
+ timerValue = covertE2WaitTimerEnumToValue(e2SetupFailure->protocolIEs.list.array[arrIdx]->value.choice.TimeToWaitE2);
+ if((duChkTmr((PTR)&(duCb.e2apDb.e2TimersInfo.e2Timers.e2SetupTimer), EVENT_E2_SETUP_TMR)) == FALSE)
+ {
+ duStartTmr((PTR)&(duCb.e2apDb.e2TimersInfo.e2Timers.e2SetupTimer), EVENT_E2_SETUP_TMR, timerValue);
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : EVENT_E2_SETUP_TMR timer is already running");
+ return;
+ }
+ break;
+ }
+ }
+ }
+
+ freeAperDecodingOfE2SetupFailure(e2SetupFailure);
+}
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated bu aper decoder for RIC service Query
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicServiceQuery
+ *
+ * Functionality: Deallocation of memory allocated bu aper decoder for RIC
+ * service Query
+ *
+ * @params[in] RICserviceQuery_t *ricServiceQuery;
+ * @return void
+ *
+ * ****************************************************************/
+
+void freeAperDecodingOfRicServiceQuery(RICserviceQuery_t *ricServiceQuery)
+{
+ uint8_t arrIdx,ranFuncIdx;
+ RANfunctionsID_List_t *ranFuncAddedList;
+
+ if(ricServiceQuery)
+ {
+ if(ricServiceQuery->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<ricServiceQuery->protocolIEs.list.count; arrIdx++)
+ {
+ if(ricServiceQuery->protocolIEs.list.array[arrIdx])
+ {
+ switch(ricServiceQuery->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_RANfunctionsAccepted:
+ {
+ ranFuncAddedList= &ricServiceQuery->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List;
+ if(ranFuncAddedList->list.array)
+ {
+ for(ranFuncIdx=0;ranFuncIdx<ranFuncAddedList->list.count; ranFuncIdx++)
+ {
+ free(ranFuncAddedList->list.array[ranFuncIdx]);
+ }
+ free(ranFuncAddedList->list.array);;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ free(ricServiceQuery->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(ricServiceQuery->protocolIEs.list.array);
+ }
+ }
+}
+/*******************************************************************
+ *
+ * @brief Build RanFunction Delete List
+ *
+ * @details
+ *
+ * Function : BuildRanFunctionDeleteList
+ *
+ * Functionality: Build RanFunction Delete List
+ *
+ * @params[in]
+ * RANfunctionsID List
+ * Count of the RAN function
+ * Received RAN function list
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildRanFunctionDeleteList(RANfunctionsID_List_t *deleteList, uint8_t count, RanFuncInfo *recvdRanFunc)
+{
+ uint8_t ranFuncIdx=0;
+ RANfunctionID_ItemIEs_t *delRanFuncItem;
+
+ if(count)
+ {
+ deleteList->list.count = count;
+ deleteList->list.size = deleteList->list.count * sizeof(RANfunctionID_ItemIEs_t*);
+ DU_ALLOC(deleteList->list.array, deleteList->list.size);
+ if(deleteList->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed in %s at %d",__func__, __LINE__);
+ return RFAILED;
+ }
+ for(ranFuncIdx = 0; ranFuncIdx< deleteList->list.count; ranFuncIdx++)
+ {
+ DU_ALLOC(deleteList->list.array[ranFuncIdx], sizeof(RANfunctionID_ItemIEs_t));
+ if(deleteList->list.array[ranFuncIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP: Memory allocation failed in %s at %d",__func__, __LINE__);
+ return RFAILED;
+ }
+ delRanFuncItem= (RANfunctionID_ItemIEs_t *) deleteList->list.array[ranFuncIdx];
+ delRanFuncItem->id = ProtocolIE_IDE2_id_RANfunctionID_Item;
+ delRanFuncItem->criticality = CriticalityE2_ignore;
+ delRanFuncItem->value.choice.RANfunctionID_Item.ranFunctionID = recvdRanFunc[ranFuncIdx].id;
+ delRanFuncItem->value.choice.RANfunctionID_Item.ranFunctionRevision = recvdRanFunc[ranFuncIdx].revisionCounter;
+
+ }
+ }