#include "RIC-ReportStyle-Item.h"
#include "MeasurementInfo-Action-Item.h"
+/*******************************************************************
+ *
+ * @brief Assigns new transaction id to RIC initiated procedure
+ *
+ * @details
+ *
+ * Function : assignTransactionId
+ *
+ * Functionality: Assigns new transaction id to a RIC initiated
+ * procedure
+ *
+ * @params[in] Region region
+ * Pool pool
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t assignTransactionId(DuDb *duDb)
+{
+ uint8_t currTransId = duDb->ricTransIdCounter;
+
+ /* Update to next valid value */
+ duDb->ricTransIdCounter++;
+ if(duDb->ricTransIdCounter == MAX_NUM_TRANSACTION)
+ duDb->ricTransIdCounter = 0;
+
+ return currTransId;
+}
/*******************************************************************
*
{
for(ranFuncIdx=0;ranFuncIdx<ranFuncAddedList->list.count; ranFuncIdx++)
{
- if(ranFuncAddedList->list.array[arrIdx])
+ if(ranFuncAddedList->list.array[ranFuncIdx])
{
- RIC_FREE(ranFuncAddedList->list.array[arrIdx], sizeof(RANfunction_ItemIEs_t));
+ RIC_FREE(ranFuncAddedList->list.array[ranFuncIdx], sizeof(RANfunction_ItemIEs_t));
}
}
RIC_FREE(ranFuncAddedList->list.array, ranFuncAddedList->list.size);
* Function : BuildRanFunctionAddedList
*
* Functionality: Build RAN function added list
- *
- * @params[in] DuDb *duDb, RANfunctionsID_List_t *ranFuncAddedList
+ * ->For ProcedureCodeE2_id_E2setup or ProcedureCodeE2_id_RICserviceQuery
+ * we add all the RAN Function list which is present in RIC database.
+ * ->For any other procedures, we just fill the RAN functions whose ID
+ * is present in the recvList
+ *
+ * @params[in]
+ * Stored DU databse
+ * Count of ran functions to be added in the list
+ * Received list of RAN functions
+ * RAN Function list
+ * Procedure Code
*
* @return ROK - success
* RFAILED - failure
* ****************************************************************/
-uint8_t BuildRanFunctionAddedList(DuDb *duDb, RANfunctionsID_List_t *ranFuncAddedList)
+uint8_t BuildRanFunctionAddedList(DuDb *duDb, uint8_t count, RanFunction *ranFunToBeAdded, RANfunctionsID_List_t *ranFuncAddedList, uint8_t procedureCode)
{
uint8_t ranFuncIdx = 0;
RANfunctionID_ItemIEs_t *ranFuncAddedItemIe;
-
- ranFuncAddedList->list.count = duDb->numOfRanFunction;
+
+ /* For ProcedureCodeE2_id_E2setup and ProcedureCodeE2_id_RICserviceQuery,
+ * 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_RICserviceQuery)||(procedureCode == ProcedureCodeE2_id_E2setup))
+ ranFuncAddedList->list.count = duDb->numOfRanFunction;
+ else
+ ranFuncAddedList->list.count = count;
+
ranFuncAddedList->list.size = ranFuncAddedList->list.count*sizeof(RANfunctionID_ItemIEs_t*);
RIC_ALLOC(ranFuncAddedList->list.array, ranFuncAddedList->list.size);
if(ranFuncAddedList->list.array)
ranFuncAddedItemIe->id = ProtocolIE_IDE2_id_RANfunctionID_Item;
ranFuncAddedItemIe->criticality= CriticalityE2_ignore;
ranFuncAddedItemIe->value.present = RANfunctionID_ItemIEs__value_PR_RANfunctionID_Item;
- ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionID =duDb->ranFunction[ranFuncIdx].id;
- ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionRevision=duDb->ranFunction[ranFuncIdx].revisionCounter;
+ if((procedureCode == ProcedureCodeE2_id_RICserviceQuery)||(procedureCode == ProcedureCodeE2_id_E2setup))
+ {
+ /* filling the RAN function information with the help of DuDb */
+ ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionID = duDb->ranFunction[ranFuncIdx].id;
+ ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionRevision= duDb->ranFunction[ranFuncIdx].revisionCounter;
+ }
+ else
+ {
+ /* filling the the RAN function information with the help received list of RAN functions */
+ ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionID = ranFunToBeAdded[ranFuncIdx].id;
+ ranFuncAddedItemIe->value.choice.RANfunctionID_Item.ranFunctionRevision= ranFunToBeAdded[ranFuncIdx].revisionCounter;
+ }
}
}
else
* RFAILED - failure
*
* ****************************************************************/
+
uint8_t BuildAndSendE2SetupRsp(DuDb *duDb, uint8_t transId)
{
E2AP_PDU_t *e2apMsg = NULL;
SuccessfulOutcomeE2__value_PR_E2setupResponse;
e2SetupRsp = &e2apMsg->choice.successfulOutcome->value.choice.E2setupResponse;
- elementCnt = 4;
+ elementCnt = 3;
+ /* Fill Accepted RAN function IE If Ran function information is stored in databse */
+ if(duDb->numOfRanFunction)
+ elementCnt++;
+
e2SetupRsp->protocolIEs.list.count = elementCnt;
e2SetupRsp->protocolIEs.list.size = elementCnt * sizeof(E2setupResponseIEs_t*);
break;
}
- /* Accepted RAN function Id */
- idx++;
- e2SetupRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionsAccepted;
- e2SetupRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
- e2SetupRsp->protocolIEs.list.array[idx]->value.present = E2setupResponseIEs__value_PR_RANfunctionsID_List;
- if(BuildRanFunctionAddedList(duDb, &e2SetupRsp->protocolIEs.list.array[idx]->value.choice.RANfunctionsID_List)!=ROK)
+ if(duDb->numOfRanFunction)
{
- DU_LOG("\nERROR --> E2AP : Failed to build Ran function added list");
- break;
+ /* Accepted RAN function Id */
+ idx++;
+ e2SetupRsp->protocolIEs.list.array[idx]->id = ProtocolIE_IDE2_id_RANfunctionsAccepted;
+ e2SetupRsp->protocolIEs.list.array[idx]->criticality = CriticalityE2_reject;
+ e2SetupRsp->protocolIEs.list.array[idx]->value.present = E2setupResponseIEs__value_PR_RANfunctionsID_List;
+ if(BuildRanFunctionAddedList(duDb, 0, NULL, &e2SetupRsp->protocolIEs.list.array[idx]->value.choice.RANfunctionsID_List, ProcedureCodeE2_id_E2setup)!=ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build Ran function added list");
+ break;
+ }
}
/* E2 Node Component Configuration Addition Acknowledge List*/
{
*duId =e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.GlobalE2node_ID.choice.gNB->gNB_DU_ID->buf[0];
- SEARCH_DU_DB(duIdx, duId, duDb);
+ SEARCH_DU_DB(duIdx, *duId, duDb);
if(duDb == NULLP)
{
duDb = &ricCb.duInfo[ricCb.numDu];
}
case ProtocolIE_IDE2_id_RANfunctionsAdded:
{
+
ranFunctionsList = &e2SetupReq->protocolIEs.list.array[arrIdx]->value.choice.RANfunctions_List;
if(ranFunctionsList->list.array)
{
ranFuncItemIe = (RANfunction_ItemIEs_t *) ranFunctionsList->list.array[ranFuncIdx];
ranFunItem = &ranFuncItemIe->value.choice.RANfunction_Item;
- duDb->ranFunction[duDb->numOfRanFunction].id = ranFunItem->ranFunctionID;
- duDb->ranFunction[ duDb->numOfRanFunction].revisionCounter = ranFunItem->ranFunctionRevision;
+ duDb->ranFunction[ranFunItem->ranFunctionID-1].id = ranFunItem->ranFunctionID;
+ duDb->ranFunction[ranFunItem->ranFunctionID-1].revisionCounter = ranFunItem->ranFunctionRevision;
duDb->numOfRanFunction++;
}
}
}
}
}
+
if(BuildAndSendE2SetupRsp(duDb, transId) !=ROK)
{
DU_LOG("\nERROR --> E2AP : Failed to build and send E2 setup response");
return ROK;
}
+/*******************************************************************
+ *
+ * @brief deallocate the memory allocated in building the
+ * Service Query message
+ *
+ * @details
+ *
+ * Function : FreeRicServiceQuery
+ *
+ * Functionality: deallocate the memory allocated in building
+ * Ric Service Query message
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ *
+ * @return void
+ * ****************************************************************/
+
+void FreeRicServiceQuery(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx = 0, ranFuncIdx=0;
+ RANfunctionsID_List_t *ranFuncAddedList;
+ RICserviceQuery_t *ricServiceQuery;
+
+ if(e2apMsg)
+ {
+ if(e2apMsg->choice.initiatingMessage)
+ {
+ ricServiceQuery = &e2apMsg->choice.initiatingMessage->value.choice.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++)
+ {
+ RIC_FREE(ranFuncAddedList->list.array[ranFuncIdx], sizeof(RANfunction_ItemIEs_t));
+ }
+ RIC_FREE(ranFuncAddedList->list.array, ranFuncAddedList->list.size);
+ }
+ break;
+ }
+ case RICserviceQuery_IEs__value_PR_TransactionID:
+ {
+ break;
+ }
+ }
+ RIC_FREE(ricServiceQuery->protocolIEs.list.array[arrIdx], sizeof(RICserviceQuery_IEs_t));
+ }
+ }
+ RIC_FREE(ricServiceQuery->protocolIEs.list.array, ricServiceQuery->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief build and send the ric service Query
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicServiceQuery
+ *
+ * Functionality: build and send the ric service Query
+ * @return ROK - success
+ * RFAILED - Acknowledge
+ *
+ ******************************************************************/
+
+uint8_t BuildAndSendRicServiceQuery(DuDb *duDb)
+{
+ uint8_t arrIdx;
+ uint8_t elementCnt;
+ uint8_t ret = RFAILED;
+ bool memAllocFailed = false;
+ E2AP_PDU_t *e2apMsg = NULL;
+ asn_enc_rval_t encRetVal;
+ RICserviceQuery_t *ricServiceQuery;
+
+ DU_LOG("\nINFO --> E2AP : Building Ric service Query\n");
+ while(true)
+ {
+ RIC_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;
+ RIC_ALLOC(e2apMsg->choice.initiatingMessage , sizeof(struct InitiatingMessageE2));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for E2AP-PDU failed");
+ break;
+ }
+
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICserviceQuery;
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICserviceQuery;
+ ricServiceQuery = &e2apMsg->choice.initiatingMessage->value.choice.RICserviceQuery;
+
+ elementCnt = 1;
+ /* Fill Accepted RAN function IE If Ran function information is stored in databse */
+ if(duDb->numOfRanFunction)
+ elementCnt++;
+
+ ricServiceQuery->protocolIEs.list.count = elementCnt;
+ ricServiceQuery->protocolIEs.list.size = elementCnt * sizeof(RICserviceQuery_IEs_t*);
+
+ RIC_ALLOC(ricServiceQuery->protocolIEs.list.array, ricServiceQuery->protocolIEs.list.size);
+ if(ricServiceQuery->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for ricServiceQueryIEs failed");
+ break;
+ }
+
+ for(arrIdx=0; arrIdx<elementCnt; arrIdx++)
+ {
+ RIC_ALLOC(ricServiceQuery->protocolIEs.list.array[arrIdx], sizeof(RICserviceQuery_IEs_t));
+ if(ricServiceQuery->protocolIEs.list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for ricServiceQueryIEs failed");
+ memAllocFailed = true;
+ break;
+ }
+ }
+ if(memAllocFailed == true)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation for ricServiceQueryIEs failed");
+ break;
+ }
+
+ /* Trans Id */
+ arrIdx = 0;
+ ricServiceQuery->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ ricServiceQuery->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceQuery->protocolIEs.list.array[arrIdx]->value.present = RICserviceQuery_IEs__value_PR_TransactionID;
+ ricServiceQuery->protocolIEs.list.array[arrIdx]->value.choice.TransactionID = assignTransactionId(duDb);
+
+ if(duDb->numOfRanFunction)
+ {
+ /* Accepted RAN function Id */
+ arrIdx++;
+ ricServiceQuery->protocolIEs.list.array[arrIdx]->id = ProtocolIE_IDE2_id_RANfunctionsAccepted;
+ ricServiceQuery->protocolIEs.list.array[arrIdx]->criticality = CriticalityE2_reject;
+ ricServiceQuery->protocolIEs.list.array[arrIdx]->value.present = RICserviceQuery_IEs__value_PR_RANfunctionsID_List;
+ if(BuildRanFunctionAddedList(duDb, 0, NULL, &ricServiceQuery->protocolIEs.list.array[arrIdx]->value.choice.RANfunctionsID_List, ProcedureCodeE2_id_RICserviceQuery)!=ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build Ran function added list");
+ break;
+ }
+ }
+
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf, encBuf);
+
+ /* Check encode results */
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RIC service Query structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for RIC service Query\n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ if(SendE2APMsg(RIC_APP_MEM_REG, RIC_POOL, duDb->duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Sending of RIC service Query failed");
+ break;
+ }
+
+ ret =ROK;
+ break;
+ }
+ FreeRicServiceQuery(e2apMsg);
+ return ret;
+}
+
/*******************************************************************
*
* @brief Handles received E2AP message and sends back response