*
******************************************************************/
-uint8_t BuildRanFunctionAddList(RANfunctions_List_t *ranFunctionsList, uint8_t procedureCode, uint8_t count, uint8_t *recvList)
+uint8_t BuildRanFunctionAddList(RANfunctions_List_t *ranFunctionsList, uint8_t procedureCode, uint8_t count, RanFuncInfo *recvList)
{
uint16_t id;
RanFunction *ranFuncDb;
{
/* Getting only the RAN function information from DuCb whose Id is
* present in the received array */
- id =recvList[ranFuncIdx];
+ id =recvList[ranFuncIdx].id;
ranFuncDb = &duCb.e2apDb.ranFunction[id-1];
}
ranFuncItemIe = (RANfunction_ItemIEs_t *) ranFunctionsList->list.array[ranFuncIdx];
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;
+
+ }
+ }
+ return ROK;
+}
+/*******************************************************************
+ *
+ * @brief De Allocate Ric Service Update message
+ *
+ * @details
+ *
+ * Function : FreeRicServiceUpdate
+ *
+ * Functionality: De-Allocating Ric Service Update message
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+
+ * @return void
+ *
+ * ****************************************************************/
+
+void FreeRicServiceUpdate(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx = 0;
+ uint8_t ranFuncAddListIdx=0, ranFuncDelIdx=0;
+ RICserviceUpdate_t *ricServiceUpdate;
+ RANfunctions_List_t *ranFunctionsList;
+ RANfunction_ItemIEs_t *ranFuncItemIe;
+ RANfunction_Item_t *ranFunItem;
+ RANfunctionsID_List_t *deleteList;
+
+ /* De-allocating Memory */
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.initiatingMessage != NULLP)
+ {
+ ricServiceUpdate = &e2apMsg->choice.initiatingMessage->value.choice.RICserviceUpdate;
+ if(ricServiceUpdate->protocolIEs.list.array != NULLP)
+ {
+ for(arrIdx = 0; arrIdx < ricServiceUpdate->protocolIEs.list.count; arrIdx++)
+ {
+ if(ricServiceUpdate->protocolIEs.list.array[arrIdx] != NULLP)
+ {
+ switch(ricServiceUpdate->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_RANfunctionsAdded:
+ case ProtocolIE_IDE2_id_RANfunctionsModified:
+ {
+ ranFunctionsList = &(ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List);
+ if(ranFunctionsList->list.array)
+ {
+ for(ranFuncAddListIdx= 0; ranFuncAddListIdx< ranFunctionsList->list.count; ranFuncAddListIdx++)
+ {
+ if(ranFunctionsList->list.array[ranFuncAddListIdx])
+ {
+ ranFuncItemIe = (RANfunction_ItemIEs_t *) ranFunctionsList->list.array[ranFuncAddListIdx];
+ ranFunItem = &ranFuncItemIe->value.choice.RANfunction_Item;
+ DU_FREE(ranFunItem->ranFunctionOID.buf, ranFunItem->ranFunctionOID.size);
+ DU_FREE(ranFunItem->ranFunctionDefinition.buf, ranFunItem->ranFunctionDefinition.size);
+ DU_FREE(ranFunctionsList->list.array[ranFuncAddListIdx], sizeof(RANfunction_ItemIEs_t));
+ }
+ }
+ DU_FREE(ranFunctionsList->list.array, ranFunctionsList->list.size);
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_RANfunctionsDeleted:
+ {
+ deleteList= &ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List;
+ if(deleteList->list.array)
+ {
+ for(ranFuncDelIdx = 0; ranFuncDelIdx< deleteList->list.count; ranFuncDelIdx++)
+ {
+ DU_FREE(deleteList->list.array[ranFuncDelIdx], sizeof(RANfunctionID_ItemIEs_t));
+ }
+ DU_FREE(deleteList->list.array, deleteList->list.size);
+
+ }
+ break;
+ }
+ default:
+ DU_LOG("\nERROR --> E2AP: Invalid event at ricServiceUpdate %ld ",\
+ (ricServiceUpdate->protocolIEs.list.array[arrIdx]->id));
+ break;
+ }
+ DU_FREE(ricServiceUpdate->protocolIEs.list.array[arrIdx], sizeof(RICserviceUpdate_IEs_t));
+ }
+ }
+ DU_FREE(ricServiceUpdate->protocolIEs.list.array, ricServiceUpdate->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send the RicServiceUpdateuest
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicServiceUpdate
+ *
+ * Functionality:Fills the RicServiceUpdateuest
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t BuildAndSendRicServiceUpdate(RicServiceUpdate serviceUpdate)
+{
+ uint8_t arrIdx = 0, elementCnt=0;
+ uint8_t transId = 0, ret = RFAILED;
+ bool memAllocFailed =false;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ RICserviceUpdate_t *ricServiceUpdate = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building Ric Service Update\n");
+ do
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICserviceUpdate;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICserviceUpdate;
+ ricServiceUpdate = &e2apMsg->choice.initiatingMessage->value.choice.RICserviceUpdate;
+
+ /* For TransId IE, set elementCnt to 1.
+ If there is any item in the RAN function add list, RAN function modification list, or RAN function delete list, increment the elementCnt.*/
+
+ elementCnt =1;
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded)
+ elementCnt++;
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeModified)
+ elementCnt++;
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeDeleted)
+ elementCnt++;
+
+ ricServiceUpdate->protocolIEs.list.count = elementCnt;
+ ricServiceUpdate->protocolIEs.list.size = elementCnt * sizeof(RICserviceUpdate_IEs_t*);
+
+ /* Initialize the E2Setup members */
+ DU_ALLOC(ricServiceUpdate->protocolIEs.list.array, ricServiceUpdate->protocolIEs.list.size);
+ if(ricServiceUpdate->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for array elements");
+ break;
+ }
+
+ for(arrIdx = 0; arrIdx < elementCnt; (arrIdx)++)
+ {
+ DU_ALLOC(ricServiceUpdate->protocolIEs.list.array[arrIdx], sizeof(RICserviceUpdate_IEs_t));
+ if(ricServiceUpdate->protocolIEs.list.array[arrIdx] == NULLP)
+ {
+ memAllocFailed = true;
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed for arrayIdx [%d]", arrIdx);
+ break;
+ }
+ }
+ if(memAllocFailed == true)
+ break;
+
+ arrIdx = 0;
+
+ /* TransactionID */
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.present = E2setupRequestIEs__value_PR_TransactionID;
+ if(serviceUpdate.dir == E2_NODE_INITIATED)
+ transId = assignTransactionId();
+ else
+ transId = serviceUpdate.transId;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.TransactionID = transId;
+
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded)
+ {
+ arrIdx++;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionsAdded;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.present = RICserviceUpdate_IEs__value_PR_RANfunctions_List;
+ if(BuildRanFunctionAddList(&ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List,\
+ e2apMsg->choice.initiatingMessage->procedureCode, serviceUpdate.recvRanFuncList.numOfRanFunToBeAdded, serviceUpdate.recvRanFuncList.ranFunToBeAdded) !=ROK)
+ {
+ break;
+ }
+ }
+
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeModified)
+ {
+ arrIdx++;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionsModified;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.present = RICserviceUpdate_IEs__value_PR_RANfunctions_List;
+ if(BuildRanFunctionAddList(&ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List,
+ e2apMsg->choice.initiatingMessage->procedureCode, serviceUpdate.recvRanFuncList.numOfRanFunToBeModified, serviceUpdate.recvRanFuncList.ranFunToBeModified) !=ROK)
+ {
+ break;
+ }
+ }
+
+ if(serviceUpdate.recvRanFuncList.numOfRanFunToBeDeleted)
+ {
+ arrIdx++;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionsDeleted;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.present = RICserviceUpdate_IEs__value_PR_RANfunctionsID_List;
+ if(BuildRanFunctionDeleteList(&ricServiceUpdate->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List,\
+ serviceUpdate.recvRanFuncList.numOfRanFunToBeDeleted, serviceUpdate.recvRanFuncList.ranFunToBeDeleted) != ROK)
+ {
+ break;
+ }
+ }
+ /* Prints the Msg formed */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf, encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RicServiceUpdateuest structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for RicServiceUpdateuest\n");
+#ifdef DEBUG_ASN_PRINT
+ for(int i=0; i< encBufSize; i++)
+ {
+ printf("%x",encBuf[i]);
+ }
+#endif
+ }
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Sending E2 Setup request failed");
+ break;
+ }
+ ret = ROK;
+ break;
+ }while(true);
+
+ if(ret == ROK)
+ {
+ if(serviceUpdate.dir == E2_NODE_INITIATED)
+ {
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+ }
+ else
+ {
+ duCb.e2apDb.e2TransInfo.ricInitTransaction[transId].transactionId = transId;
+ duCb.e2apDb.e2TransInfo.ricInitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode;
+ }
+ duCb.e2apDb.e2TimersInfo.e2Timers.ricServiceUpdateTimer.ricService.dir = serviceUpdate.dir;
+ duCb.e2apDb.e2TimersInfo.e2Timers.ricServiceUpdateTimer.ricService.transId =transId;
+ }
+ FreeRicServiceUpdate(e2apMsg);
+ return ret;
+}
+/******************************************************************
+ *
+ * @brief Processes RIC service Query sent by RIC
+ *
+ * @details
+ *
+ * Function : procRicServiceQuery
+ *
+ * Functionality: Processes RIC service Query sent by RIC
+ *
+ * @params[in] E2AP_PDU_t ASN decoded E2AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void procRicServiceQuery(E2AP_PDU_t *e2apMsg)
+{
+ ConfigType action;
+ uint8_t arrIdx =0, ranFuncIdx=0,tmpIdx=0;
+ uint16_t id,revisionCcounter;
+ bool tmpArray[MAX_RAN_FUNCTION] = {false};
+ RICserviceQuery_t *ricServiceQuery=NULL;
+ RicServiceUpdate ricUpdate;
+ RANfunctionID_ItemIEs_t *ranFuncAddedItemIe;
+ RANfunctionsID_List_t *ranFuncAddedList;
+
+ DU_LOG("\nINFO --> E2AP : RIC Service Query received");
+ memset(&ricUpdate, 0, sizeof(RicServiceUpdate));
+ ricUpdate.dir = RIC_INITIATED;
+ ricServiceQuery = &e2apMsg->choice.initiatingMessage->value.choice.RICserviceQuery;
+
+ for(arrIdx=0; arrIdx<ricServiceQuery->protocolIEs.list.count; arrIdx++)
+ {
+ switch(ricServiceQuery->protocolIEs.list.array[arrIdx]->id)
+ {
+ /* TODO completing in next patch/gerrit */
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ ricUpdate.transId = ricServiceQuery->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionsAccepted:
+ {
+ ranFuncAddedList= &ricServiceQuery->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List;
+ if(ranFuncAddedList->list.array)
+ {
+ for(ranFuncIdx=0;ranFuncIdx<ranFuncAddedList->list.count; ranFuncIdx++)
+ {
+ if(ranFuncAddedList->list.array[ranFuncIdx])
+ {
+ /* Using the RAN function Id, identify the RAN function to be modified or deleted. */
+
+ ranFuncAddedItemIe = (RANfunctionID_ItemIEs_t*)ranFuncAddedList->list.array[ranFuncIdx];
+ id = ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionID;
+ revisionCcounter = ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionRevision;
+
+ if((id != duCb.e2apDb.ranFunction[id-1].id))
+ {
+ action = CONFIG_DEL;
+ }
+ else if((id == duCb.e2apDb.ranFunction[id-1].id)&&(revisionCcounter!=duCb.e2apDb.ranFunction[id-1].revisionCounter))
+ {
+ action = CONFIG_MOD;
+ }
+
+ if(action == CONFIG_DEL)
+ {
+ ricUpdate.recvRanFuncList.ranFunToBeDeleted[ricUpdate.recvRanFuncList.numOfRanFunToBeDeleted].id = id;
+ ricUpdate.recvRanFuncList.ranFunToBeDeleted[ricUpdate.recvRanFuncList.numOfRanFunToBeDeleted].revisionCounter = revisionCcounter;
+ ricUpdate.recvRanFuncList.numOfRanFunToBeDeleted++;
+ }
+ else if(action == CONFIG_MOD)
+ {
+ ricUpdate.recvRanFuncList.ranFunToBeModified[ricUpdate.recvRanFuncList.numOfRanFunToBeModified].id = id;
+ ricUpdate.recvRanFuncList.ranFunToBeModified[ricUpdate.recvRanFuncList.numOfRanFunToBeModified].revisionCounter = revisionCcounter;
+ ricUpdate.recvRanFuncList.numOfRanFunToBeModified++;
+ }
+
+ /* If any ID is set to true, it means that the ID has been used in either modification or deletion list.
+ * Else we will add the IDs into the added list */
+ tmpArray[id-1] = true;
+ }
+ }
+ }
+ break;
+ }
+ }
+ }
+
+ /* Traversing the whole RAN function list in ducb to check if any new Ran function ids have been added. */
+ for(arrIdx =0; arrIdx<MAX_RAN_FUNCTION; arrIdx++)
+ {
+ tmpIdx= ricUpdate.recvRanFuncList.numOfRanFunToBeAdded;
+ if((duCb.e2apDb.ranFunction[arrIdx].id >0)&&(!tmpArray[arrIdx]))
+ {
+ ricUpdate.recvRanFuncList.ranFunToBeAdded[tmpIdx].id = duCb.e2apDb.ranFunction[arrIdx].id;
+ ricUpdate.recvRanFuncList.ranFunToBeAdded[tmpIdx].revisionCounter = duCb.e2apDb.ranFunction[arrIdx].revisionCounter;
+ ricUpdate.recvRanFuncList.numOfRanFunToBeAdded++;
+ }
+ }
+ if(BuildAndSendRicServiceUpdate(ricUpdate)!= ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send ric service update message");
+ }
+
+ freeAperDecodingOfRicServiceQuery(ricServiceQuery);
+}
+
+
/*******************************************************************
*
* @brief Handles received E2AP message and sends back response
procRicSubsReq(e2apMsg);
break;
}
+ case InitiatingMessageE2__value_PR_RICserviceQuery:
+ {
+ procRicServiceQuery(e2apMsg);
+ break;
+ }
default:
{
DU_LOG("\nERROR --> E2AP : Invalid type of E2AP_PDU_PR_initiatingMessage [%d]",\