}
}
+/*******************************************************************
+ *
+ * @brief Printing Type and Cause of failure
+ *
+ * @details
+ *
+ * Function : printE2ErrorCause
+ *
+ * Functionality: Printing Type and Cause of failure
+ *
+ * @params[in] E2 Cause
+ * @return void
+ *
+ ******************************************************************/
+void printE2ErrorCause(CauseE2_t *cause)
+{
+ switch(cause->present)
+ {
+ case CauseE2_PR_ricRequest:
+ {
+ DU_LOG("Failure_Type [%s] Cause [%ld]", "RIC_Request", cause->choice.ricRequest);
+ break;
+ }
+ case CauseE2_PR_ricService:
+ {
+ DU_LOG("Failure_Type [%s] Cause [%ld]", "RIC_Service", cause->choice.ricService);
+ break;
+ }
+ case CauseE2_PR_e2Node:
+ {
+ DU_LOG("Failure_Type [%s] Cause [%ld]", "E2_Node", cause->choice.e2Node);
+ break;
+ }
+ case CauseE2_PR_transport:
+ {
+ DU_LOG("Failure_Type [%s] Cause [%ld]", "Transport", cause->choice.transport);
+ break;
+ }
+ case CauseE2_PR_protocol:
+ {
+ DU_LOG("Failure_Type [%s] Cause [%ld]", "Protocol", cause->choice.protocol);
+ break;
+ }
+ case CauseE2_PR_misc:
+ {
+ DU_LOG("Failure_Type [%s] Cause [%ld]", "Miscellaneous", cause->choice.misc);
+ break;
+ }
+ default:
+ {
+ DU_LOG("Failure_Type and Cause unknown");
+ break;
+ }
+ }
+}
+
/*******************************************************************
*
* @brief Free the ErrorIndication Message
* Functionality: Processes E2 Setup Response sent by RIC
*
* @params[in] E2AP_PDU_t ASN decoded E2AP message
- * @return ROK - success
- * RFAILED - failure
+ * @return void
*
* ****************************************************************/
-uint8_t procE2SetupRsp(E2AP_PDU_t *e2apMsg)
+void procE2SetupRsp(E2AP_PDU_t *e2apMsg)
{
+ bool invalidTransId = false;
uint8_t arrIdx =0, transId=0, idx=0;
uint32_t recvBufLen;
E2setupResponse_t *e2SetRspMsg=NULL;
else
{
DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
- return RFAILED;
+ invalidTransId = true;
}
break;
}
/* 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);
+ 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:
- {
- e2NodeCfgAckList = &e2SetRspMsg->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAdditionAck_List;
- for(idx =0; idx <e2NodeCfgAckList->list.count; idx++)
{
- e2NodeAddAckItem = (E2nodeComponentConfigAdditionAck_ItemIEs_t*) e2NodeCfgAckList->list.array[idx];
- switch(e2NodeAddAckItem->value.choice.E2nodeComponentConfigAdditionAck_Item.e2nodeComponentID.present)
+ e2NodeCfgAckList = &e2SetRspMsg->protocolIEs.list.array[arrIdx]->value.choice.E2nodeComponentConfigAdditionAck_List;
+ for(idx =0; idx <e2NodeCfgAckList->list.count; idx++)
{
- case E2nodeComponentID_PR_e2nodeComponentInterfaceTypeF1:
- {
- e2NodeComponentInfo = fetchE2NodeComponentInfo(F1, E2_NODE_COMPONENT_ADD, &node);
- if(!e2NodeComponentInfo)
- {
- DU_LOG("\nERROR --> E2AP : Received null e2NodeComponentInfo at line number %d",__LINE__);
- return RFAILED;
- }
- else
+ e2NodeAddAckItem = (E2nodeComponentConfigAdditionAck_ItemIEs_t*) e2NodeCfgAckList->list.array[idx];
+ switch(e2NodeAddAckItem->value.choice.E2nodeComponentConfigAdditionAck_Item.e2nodeComponentID.present)
+ {
+ case E2nodeComponentID_PR_e2nodeComponentInterfaceTypeF1:
{
- 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));
+ e2NodeComponentInfo = fetchE2NodeComponentInfo(F1, E2_NODE_COMPONENT_ADD, &node);
+ if(!e2NodeComponentInfo)
+ {
+ DU_LOG("\nERROR --> E2AP : Received null e2NodeComponentInfo at line number %d",__LINE__);
+ }
+ else
+ {
+ 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));
+ }
+ break;
}
+ default:
break;
- }
- default:
- break;
+ }
}
+ break;
}
- break;
- }
default:
- DU_LOG("\nERROR --> E2AP : Invalid IE received in E2SetupRsp:%ld",
- e2SetRspMsg->protocolIEs.list.array[arrIdx]->id);
- break;
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in E2SetupRsp:%ld",
+ e2SetRspMsg->protocolIEs.list.array[arrIdx]->id);
+ break;
+ }
+ }
+
+ if(invalidTransId == true)
+ {
+ break;
}
}
freeAperDecodingOfE2SetupRsp(e2SetRspMsg);
- if(duSendE2NodeConfigurationUpdate() != ROK)
+ if(invalidTransId == false)
{
- DU_LOG("\nERROR --> E2AP : Failed to send E2 node config update");
- return RFAILED;
+ if(duSendE2NodeConfigurationUpdate() != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 node config update");
+ }
}
- return ROK;
}
/*******************************************************************
* 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));
- }
+ deleteMeasurementInfoList(measInfoSubscribedList);
break;
}
/* In case of any failure, action is rejected
* Added to rejected-action-list in subscription response */
- memset(&ricSubscriptionInfo->actionSequence[ricActionId], 0, sizeof(ActionInfo));
- ricSubscriptionInfo->actionSequence[ricActionId].actionId = -1;
+ deleteActionSequence(&ricSubscriptionInfo->actionSequence[ricActionId]);
subsRsp->rejectedActionList[subsRsp->numOfRejectedActions].id = ricActionId;
if(failureCause->causeType == E2_NOTHING)
measRecord->list.array[measRecIdx]->choice.real = measVal;
}
measRecIdx++;
-
+ measValNode= measValNode->next;
/* Once the measurement record is added to the message, delete it from DB */
- cmLListDelFrm(&measInfoDb->measuredValue, measValNode);
- DU_FREE(measValNode->node, sizeof(double));
- DU_FREE(measValNode, sizeof(CmLList));
-
- CM_LLIST_FIRST_NODE(&measInfoDb->measuredValue, measValNode);
measVal = 0;
}
-
+ deleteMeasuredValueList(&measInfoDb->measuredValue);
return ROK;
}
* - Buld and send the E2 reset request msg to RIC
*
* @params[in]
+ * Reset cause
* @return ROK - success
* RFAILED - failure
*
encBuf);
if(encRetVal.encoded == ENCODE_FAIL)
{
- DU_LOG("\nERROR --> E2AP : Could not encode E2SetupRequest structure (at %s)\n",\
+ DU_LOG("\nERROR --> E2AP : Could not encode reset request structure (at %s)\n",\
encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
break;
}
else
{
- DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2SetupRequest\n");
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for reset request\n");
#ifdef DEBUG_ASN_PRINT
for(int i=0; i< encBufSize; i++)
{
* Functionality: Processes E2 Reset Response sent by RIC
*
* @params[in] E2AP_PDU_t ASN decoded E2AP message
- * @return ROK - success
- * RFAILED - failure
+ * @return void
*
* ****************************************************************/
-uint8_t procResetResponse(E2AP_PDU_t *e2apMsg)
+void procResetResponse(E2AP_PDU_t *e2apMsg)
{
- uint8_t ieIdx =0, transId;
- ResetResponseE2_t *resetResponse;
+ bool invalidTransId=false;
+ uint8_t ieIdx =0, transId =0;
+ uint16_t ranFuncIdx=0;
+ ResetResponseE2_t *resetResponse =NULLP;
DU_LOG("\nINFO --> E2AP : E2 Reset Response received");
resetResponse = &e2apMsg->choice.successfulOutcome->value.choice.ResetResponseE2;;
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));
+ 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);
+ invalidTransId = true;
+ }
+ break;
}
- else
+ case ProtocolIE_IDE2_id_CriticalityDiagnosticsE2:
{
- DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
- return RFAILED;
+ for(ranFuncIdx=0; ranFuncIdx<MAX_RAN_FUNCTION; ranFuncIdx++)
+ {
+ if(duCb.e2apDb.ranFunction[ranFuncIdx].id >0)
+ {
+ deleteRicSubscriptionList(&(duCb.e2apDb.ranFunction[ranFuncIdx].subscriptionList));
+ memset(&(duCb.e2apDb.ranFunction[ranFuncIdx].pendingSubsRspInfo), 0, MAX_PENDING_SUBSCRIPTION_RSP*sizeof(PendingSubsRspInfo));
+ }
+ }
+ break;
}
- 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;
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid IE received in E2 Reset Response : %ld",
+ resetResponse->protocolIEs.list.array[ieIdx]->id);
+ break;
+ }
+ }
+
+ if(invalidTransId == true)
+ {
+ break;
}
}
freeAperDecodingOfE2ResetRsp(resetResponse);
- return ROK;
}
/******************************************************************
}
return ROK;
}
+
/*******************************************************************
*
- * @brief Handles received E2AP message and sends back response
+ * @brief Free RIC Subscription Modification Required
*
* @details
*
- * Function : E2APMsgHdlr
+ * Function : FreeRicSubsModRequired
*
- * Functionality:
- * - Decodes received E2AP control message
- * - Prepares response message, encodes and sends to SCTP
+ * Functionality: Freqq RIC Subscription Modification required
*
- * @params[in]
- * @return ROK - success
- * RFAILED - failure
+ * @param E2AP Message PDU to be freed
+ * @return void
*
- * ****************************************************************/
-void E2APMsgHdlr(Buffer *mBuf)
+ ******************************************************************/
+void FreeRicSubsModRequired(E2AP_PDU_t *e2apMsg)
{
- int i =0;
- char *recvBuf = NULLP;
- MsgLen copyCnt =0;
- MsgLen recvBufLen =0;
- E2AP_PDU_t *e2apMsg = NULLP;
- asn_dec_rval_t rval ={0}; /* Decoder return value */
- E2AP_PDU_t e2apasnmsg={0} ;
+ uint8_t ieIdx = 0, arrIdx = 0;
+ RICsubscriptionModificationRequired_t *ricSubsModReqd = NULLP;
+ RICsubscriptionModificationRequired_IEs_t *ricSubsModReqdIe = NULLP;
+ RICactions_RequiredToBeModified_List_t *actionToBeModList = NULLP;
+ RICactions_RequiredToBeRemoved_List_t *actionToBeRmvList = NULLP;
- DU_LOG("\nDEBUG --> E2AP : Received E2AP message buffer");
- ODU_PRINT_MSG(mBuf, 0,0);
+ if(e2apMsg)
+ {
+ if(e2apMsg->choice.initiatingMessage)
+ {
+ ricSubsModReqd = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionModificationRequired;
+ if(ricSubsModReqd->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < ricSubsModReqd->protocolIEs.list.count; ieIdx++)
+ {
+ if(ricSubsModReqd->protocolIEs.list.array[ieIdx])
+ {
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ switch(ricSubsModReqdIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICactionsRequiredToBeModified_List:
+ {
+ actionToBeModList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeModified_List;
+ if(actionToBeModList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < actionToBeModList->list.count; arrIdx++)
+ {
+ DU_FREE(actionToBeModList->list.array[arrIdx], \
+ sizeof(RICaction_RequiredToBeModified_ItemIEs_t));
+ }
+ DU_FREE(actionToBeModList->list.array, actionToBeModList->list.size);
+ }
+ break;
+ }
- /* Copy mBuf into char array to decode it */
- ODU_GET_MSG_LEN(mBuf, &recvBufLen);
- DU_ALLOC(recvBuf, (Size)recvBufLen);
+ case ProtocolIE_IDE2_id_RICactionsRequiredToBeRemoved_List:
+ {
+ actionToBeRmvList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeRemoved_List;
+ if(actionToBeRmvList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < actionToBeRmvList->list.count; arrIdx++)
+ {
+ DU_FREE(actionToBeRmvList->list.array[arrIdx], \
+ sizeof(RICaction_RequiredToBeRemoved_ItemIEs_t));
+ }
+ DU_FREE(actionToBeRmvList->list.array, actionToBeRmvList->list.size);
+ }
+ break;
+ }
- if(recvBuf == NULLP)
- {
- DU_LOG("\nERROR --> E2AP : Memory allocation failed");
- return;
+ default:
+ break;
+ }
+ DU_FREE(ricSubsModReqd->protocolIEs.list.array[ieIdx], \
+ sizeof(RICsubscriptionModificationRequired_IEs_t));
+ }
+ }
+ DU_FREE(ricSubsModReqd->protocolIEs.list.array, ricSubsModReqd->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
}
- if(ODU_COPY_MSG_TO_FIX_BUF(mBuf, 0, recvBufLen, (Data *)recvBuf, ©Cnt) != ROK)
+}
+
+/* A RIC Subscription includes RIC subsequent action only for RIC Insert service.
+ * However, E2SM-KPM supports only RIC Report service.
+ * Hence there is no subsequent action in RIC subscription that may require modification.
+ * So commenting the action-modification IEs for the time being
+ */
+#if 0
+/*******************************************************************
+ *
+ * @brief Fill Action required to be modified list
+ *
+ * @details
+ *
+ * Function : FillActionReqdToBeModList
+ *
+ * Functionality: Fill Action required to be modified list
+ *
+ * @param RIC Actions Required To Be Modified List to be filled
+ * Number of actions to be modified
+ * RIC Subscription DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t FillActionReqdToBeModList(RICactions_RequiredToBeModified_List_t *actionToBeModList, uint8_t numActionsMod, \
+ RicSubscription *ricSubscription)
+{
+ uint8_t arrIdx = 0, actionIdx = 0;
+ RICaction_RequiredToBeModified_ItemIEs_t *actionToBeMod = NULL;
+
+ actionToBeModList->list.count = numActionsMod;
+ actionToBeModList->list.size = numActionsMod * sizeof(RICaction_RequiredToBeModified_ItemIEs_t *);
+ DU_ALLOC(actionToBeModList->list.array, actionToBeModList->list.size);
+ if(!actionToBeModList->list.array)
{
- DU_LOG("\nERROR --> E2AP : Failed while copying %d", copyCnt);
- return;
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
}
-#ifdef DEBUG_ASN_PRINT
- printf("\nDEBUG --> E2AP : Received flat buffer to be decoded : ");
- for(i=0; i< recvBufLen; i++)
+ arrIdx = 0;
+ for(actionIdx = 0; actionIdx < MAX_RIC_ACTION; actionIdx++)
{
- printf("%x",recvBuf[i]);
+ if(ricSubscription->actionSequence[actionIdx].action == CONFIG_MOD)
+ {
+ DU_ALLOC(actionToBeModList->list.array[arrIdx], sizeof(RICaction_RequiredToBeModified_ItemIEs_t));
+ if(!actionToBeModList->list.array[arrIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ actionToBeMod = (RICaction_RequiredToBeModified_ItemIEs_t *)actionToBeModList->list.array[arrIdx];
+
+ actionToBeMod->id = ProtocolIE_IDE2_id_RICaction_RequiredToBeModified_Item;
+ actionToBeMod->criticality = CriticalityE2_reject;
+ actionToBeMod->value.present = \
+ RICaction_RequiredToBeModified_ItemIEs__value_PR_RICaction_RequiredToBeModified_Item;
+ actionToBeMod->value.choice.RICaction_RequiredToBeModified_Item.ricActionID = \
+ ricSubscription->actionSequence[actionIdx].actionId;
+ actionToBeMod->value.choice.RICaction_RequiredToBeModified_Item.ricTimeToWait = RICtimeToWait_w5ms;
+
+ arrIdx++;
+ }
}
-#endif
- /* Decoding flat buffer into E2AP messsage */
- e2apMsg = &e2apasnmsg;
- memset(e2apMsg, 0, sizeof(E2AP_PDU_t));
+ return ROK;
+}
+#endif
- rval = aper_decode(0, &asn_DEF_E2AP_PDU, (void **)&e2apMsg, recvBuf, recvBufLen, 0, 0);
- DU_FREE(recvBuf, (Size)recvBufLen);
+/*******************************************************************
+ *
+ * @brief Fill Action required to be removed list
+ *
+ * @details
+ *
+ * Function : FillActionReqdToBeRmvList
+ *
+ * Functionality: Fill Action required to be removed list
+ *
+ * @param RIC Actions Required To Be Removed List to be filled
+ * Number of actions to be removed
+ * RIC Subscription DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t FillActionReqdToBeRmvList(RICactions_RequiredToBeRemoved_List_t *actionToBeRmvList, uint8_t numActionsRmv, \
+ RicSubscription *ricSubscription)
+{
+ uint8_t arrIdx = 0, actionIdx = 0;
+ RICaction_RequiredToBeRemoved_ItemIEs_t *actionToBeRmv = NULL;
- if(rval.code == RC_FAIL || rval.code == RC_WMORE)
+ actionToBeRmvList->list.count = numActionsRmv;
+ actionToBeRmvList->list.size = numActionsRmv * sizeof(RICaction_RequiredToBeRemoved_ItemIEs_t *);
+ DU_ALLOC(actionToBeRmvList->list.array, actionToBeRmvList->list.size);
+ if(!actionToBeRmvList->list.array)
{
- DU_LOG("\nERROR --> E2AP : ASN decode failed");
- return;
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ return RFAILED;
}
- printf("\n");
- xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
- switch(e2apMsg->present)
+ arrIdx = 0;
+ for(actionIdx = 0; actionIdx < MAX_RIC_ACTION; actionIdx++)
{
- case E2AP_PDU_PR_unsuccessfulOutcome:
+ if(ricSubscription->actionSequence[actionIdx].action == CONFIG_DEL)
+ {
+ DU_ALLOC(actionToBeRmvList->list.array[arrIdx], sizeof(RICaction_RequiredToBeRemoved_ItemIEs_t));
+ if(!actionToBeRmvList->list.array[arrIdx])
{
- switch(e2apMsg->choice.unsuccessfulOutcome->value.present)
- {
- case UnsuccessfulOutcomeE2__value_PR_E2setupFailure:
- {
- procE2SetupFailure(e2apMsg);
- break;
- }
- case UnsuccessfulOutcomeE2__value_PR_E2nodeConfigurationUpdateFailure:
- {
- procE2NodeConfigUpdateFailure(e2apMsg);
- break;
- }
- case UnsuccessfulOutcomeE2__value_PR_RICserviceUpdateFailure:
- {
- procRicServiceUpdateFailure(e2apMsg);
- break;
- }
- default:
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ actionToBeRmv = (RICaction_RequiredToBeRemoved_ItemIEs_t *)actionToBeRmvList->list.array[arrIdx];
+
+ actionToBeRmv->id = ProtocolIE_IDE2_id_RICaction_RequiredToBeRemoved_Item;
+ actionToBeRmv->criticality = CriticalityE2_reject;
+ actionToBeRmv->value.present = \
+ RICaction_RequiredToBeRemoved_ItemIEs__value_PR_RICaction_RequiredToBeRemoved_Item;
+ actionToBeRmv->value.choice.RICaction_RequiredToBeRemoved_Item.ricActionID = \
+ ricSubscription->actionSequence[actionIdx].actionId;
+ fillE2Cause(&actionToBeRmv->value.choice.RICaction_RequiredToBeRemoved_Item.cause, \
+ ricSubscription->actionSequence[actionIdx].failureCause);
+
+ arrIdx++;
+ }
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fill RIC Subscription Modification Required IEs
+ *
+ * @details
+ *
+ * Function : FillRicSubsModRequired
+ *
+ * Functionality: Fill RIC Subscription Modification Required IEs
+ *
+ * @param RIC Subscription Modification Required IEs to be filled
+ * RIC Subscription DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t FillRicSubsModRequired(RICsubscriptionModificationRequired_t *ricSubsModReqd, RicSubscription *ricSubscription)
+{
+ uint8_t ieIdx = 0, elementCnt=0, actionIdx = 0;
+ uint8_t numActionsMod = 0, numActionsRmv = 0;
+ RICsubscriptionModificationRequired_IEs_t *ricSubsModReqdIe = NULLP;
+ RICactions_RequiredToBeRemoved_List_t *actionToBeRmvList = NULLP;
+
+/* Unused in case of E2SM-KPM */
+#if 0
+ RICactions_RequiredToBeModified_List_t *actionToBeModList = NULLP;
+#endif
+
+ /* Count number of Actions to be modified or deleted */
+ for(actionIdx = 0; actionIdx < MAX_RIC_ACTION; actionIdx++)
+ {
+ if(ricSubscription->actionSequence[actionIdx].action == CONFIG_MOD)
+ numActionsMod++;
+ else if(ricSubscription->actionSequence[actionIdx].action == CONFIG_DEL)
+ numActionsRmv++;
+ }
+
+ /* Count number of IEs to be added to messages */
+ elementCnt = 2;
+ if(numActionsMod)
+ elementCnt++;
+ if(numActionsRmv)
+ elementCnt++;
+
+ ricSubsModReqd->protocolIEs.list.count = elementCnt;
+ ricSubsModReqd->protocolIEs.list.size = elementCnt * sizeof(RICsubscriptionModificationRequired_IEs_t *);
+ DU_ALLOC(ricSubsModReqd->protocolIEs.list.array, ricSubsModReqd->protocolIEs.list.size);
+ if(!ricSubsModReqd->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ for(ieIdx = 0; ieIdx < elementCnt; ieIdx++)
+ {
+ DU_ALLOC(ricSubsModReqd->protocolIEs.list.array[ieIdx], sizeof(RICsubscriptionModificationRequired_IEs_t));
+ if(!ricSubsModReqd->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ }
+
+ /* RIC Request ID */
+ ieIdx = 0;
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ ricSubsModReqdIe->id = ProtocolIE_IDE2_id_RICrequestID;
+ ricSubsModReqdIe->criticality = CriticalityE2_reject;
+ ricSubsModReqdIe->value.present = RICsubscriptionModificationRequired_IEs__value_PR_RICrequestID;
+ ricSubsModReqdIe->value.choice.RICrequestID.ricRequestorID = ricSubscription->requestId.requestorId;
+ ricSubsModReqdIe->value.choice.RICrequestID.ricInstanceID = ricSubscription->requestId.instanceId;
+
+ /* RAN Function ID */
+ ieIdx++;
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ ricSubsModReqdIe->id = ProtocolIE_IDE2_id_RANfunctionID;
+ ricSubsModReqdIe->criticality = CriticalityE2_reject;
+ ricSubsModReqdIe->value.present = RICsubscriptionModificationRequired_IEs__value_PR_RANfunctionID;
+ ricSubsModReqdIe->value.choice.RANfunctionID = ricSubscription->ranFuncId;
+
+/* A RIC Subscription includes RIC subsequent action only for RIC Insert service.
+ * However, E2SM-KPM supports only RIC Report service.
+ * Hence there is no subsequent action in RIC subscription that may require modification.
+ * So commenting the action-modification IEs for the time being
+ */
+#if 0
+ /* RIC Actions Required to be Modified */
+ if(numActionsMod)
+ {
+ ieIdx++;
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ ricSubsModReqdIe->id = ProtocolIE_IDE2_id_RICactionsRequiredToBeModified_List;
+ ricSubsModReqdIe->criticality = CriticalityE2_reject;
+ ricSubsModReqdIe->value.present = \
+ RICsubscriptionModificationRequired_IEs__value_PR_RICactions_RequiredToBeModified_List;
+ actionToBeModList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeModified_List;
+
+ if(FillActionReqdToBeModList(actionToBeModList, numActionsMod, ricSubscription) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill actions required to be modified list", __func__);
+ return RFAILED;
+ }
+ }
+#endif
+
+ /* RIC Actions Required to be removed */
+ if(numActionsRmv)
+ {
+ ieIdx++;
+ ricSubsModReqdIe = ricSubsModReqd->protocolIEs.list.array[ieIdx];
+ ricSubsModReqdIe->id = ProtocolIE_IDE2_id_RICactionsRequiredToBeRemoved_List;
+ ricSubsModReqdIe->criticality = CriticalityE2_reject;
+ ricSubsModReqdIe->value.present = \
+ RICsubscriptionModificationRequired_IEs__value_PR_RICactions_RequiredToBeRemoved_List;
+ actionToBeRmvList = &ricSubsModReqdIe->value.choice.RICactions_RequiredToBeRemoved_List;
+
+ if(FillActionReqdToBeRmvList(actionToBeRmvList, numActionsRmv, ricSubscription) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill actions required to be removed list", __func__);
+ return RFAILED;
+ }
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send RIC Subscription Modification Required
+ * message
+ *
+ * @details
+ *
+ * Function : BuildAndSendRicSubsModRequired
+ *
+ * Functionality: Builds and Send RIC Subscription Modification
+ * Required message
+ *
+ * @param RIC Subscription DB
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint8_t BuildAndSendRicSubsModRequired(RicSubscription *ricSubscription)
+{
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ RICsubscriptionModificationRequired_t *ricSubsModReqd = NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building RIC Subscription Modification Required \n");
+ while(true)
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ break;
+ }
+
+ e2apMsg->present = E2AP_PDU_PR_initiatingMessage;
+ DU_ALLOC(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t));
+ if(e2apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Memory allocation failed at line %d", __func__, __LINE__);
+ break;
+ }
+ e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject;
+ e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_RICsubscriptionModificationRequired;
+ e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_RICsubscriptionModificationRequired;
+
+ ricSubsModReqd = &e2apMsg->choice.initiatingMessage->value.choice.RICsubscriptionModificationRequired;
+
+ if(FillRicSubsModRequired(ricSubsModReqd, ricSubscription) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Failed to fill RIC Subscription Modification Required IEs", __func__);
+ break;
+ }
+
+ /* Encode */
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf, encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode RIC Subscription Modifiction Required 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 Modification Required \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 Modification Required failed");
+ }
+
+ ret = ROK;
+ break;
+ }
+
+ /* Free RIC Subscription modification required */
+ FreeRicSubsModRequired(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Free APER decoding of RIC Subscription Modification Confirm
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicSubsModConfirm
+ *
+ * Functionality: Free APER decoding of RIC Subscription
+ * Modification Confirm
+ *
+ * @param E2AP Message PDU
+ * @return void
+ *
+ ******************************************************************/
+void freeAperDecodingOfRicSubsModConfirm(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx = 0, arrIdx=0;
+ RICsubscriptionModificationConfirm_t *ricSubsModCfm = NULLP;
+ RICsubscriptionModificationConfirm_IEs_t *ricSubsModCfmIe = NULLP;
+ RICactions_ConfirmedForModification_List_t *modCfmList = NULLP;
+ RICactions_RefusedToBeModified_List_t *modRefusedList = NULLP;
+ RICactions_ConfirmedForRemoval_List_t *rmvCfmList = NULLP;
+ RICactions_RefusedToBeRemoved_List_t *rmvFailList = NULLP;
+
+ if(e2apMsg && e2apMsg->choice.successfulOutcome)
+ {
+ ricSubsModCfm = &e2apMsg->choice.successfulOutcome->value.choice.RICsubscriptionModificationConfirm;
+ if(ricSubsModCfm->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < ricSubsModCfm->protocolIEs.list.count; ieIdx++)
+ {
+ if(ricSubsModCfm->protocolIEs.list.array[ieIdx])
+ {
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ switch(ricSubsModCfmIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICactionsConfirmedForModification_List:
+ {
+ modCfmList = &ricSubsModCfmIe->value.choice.RICactions_ConfirmedForModification_List;
+ if(modCfmList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < modCfmList->list.count; arrIdx++)
+ {
+ if(modCfmList->list.array[arrIdx])
+ free(modCfmList->list.array[arrIdx]);
+ }
+ free(modCfmList->list.array);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRefusedToBeModified_List:
+ {
+ modRefusedList = &ricSubsModCfmIe->value.choice.RICactions_RefusedToBeModified_List;
+ if(modRefusedList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < modRefusedList->list.count; arrIdx++)
+ {
+ if(modRefusedList->list.array[arrIdx])
+ free(modRefusedList->list.array[arrIdx]);
+ }
+ free(modRefusedList->list.array);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsConfirmedForRemoval_List:
+ {
+ rmvCfmList = &ricSubsModCfmIe->value.choice.RICactions_ConfirmedForRemoval_List;
+ if(rmvCfmList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < rmvCfmList->list.count; arrIdx++)
+ {
+ if(rmvCfmList->list.array[arrIdx])
+ free(rmvCfmList->list.array[arrIdx]);
+ }
+ free(rmvCfmList->list.array);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRefusedToBeRemoved_List:
+ {
+ rmvFailList = &ricSubsModCfmIe->value.choice.RICactions_RefusedToBeRemoved_List;
+ if(rmvFailList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < rmvFailList->list.count; arrIdx++)
+ {
+ if(rmvFailList->list.array[arrIdx])
+ free(rmvFailList->list.array[arrIdx]);
+ }
+ free(rmvFailList->list.array);
+ }
+ break;
+ }
+
+ default:
+ break;
+
+ }
+ free(ricSubsModCfmIe);
+ }
+ }
+ free(ricSubsModCfm->protocolIEs.list.array);
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Process RIC Subscription Modification Confirm Message
+ *
+ * @details
+ *
+ * Function : procRicSubscriptionModificationConfirm
+ *
+ * Functionality: Process RIC Subscription Modification Confirm
+ * Message received from RIC.
+ *
+ * @param E2AP Message PDU
+ * @return void
+ *
+ ******************************************************************/
+void procRicSubscriptionModificationConfirm(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t actionId = 0, ieIdx = 0, arrIdx = 0;
+ uint16_t ranFuncId = 0;
+ bool procFailure = false;
+ RicRequestId ricReqId;
+ RanFunction *ranFuncDb = NULLP;
+ CmLList *ricSubsNode = NULLP;
+ RicSubscription *ricSubsDb = NULLP;
+ ActionInfo *actionDb = NULLP;
+
+ RICsubscriptionModificationConfirm_t *ricSubsModCfm = NULLP;
+ RICsubscriptionModificationConfirm_IEs_t *ricSubsModCfmIe = NULLP;
+
+/* Not used in case of E2SM-KPM */
+#if 0
+ RICactions_ConfirmedForModification_List_t *modCfmList = NULLP;
+ RICaction_ConfirmedForModification_ItemIEs_t *modCfmListItem = NULLP;
+
+ RICactions_RefusedToBeModified_List_t *modRefusedList = NULLP;
+ RICaction_RefusedToBeModified_ItemIEs_t *modRefusedListItem = NULLP;
+#endif
+
+ RICactions_ConfirmedForRemoval_List_t *rmvCfmList = NULLP;
+ RICaction_ConfirmedForRemoval_ItemIEs_t *rmvCfmListItem = NULLP;
+
+ RICactions_RefusedToBeRemoved_List_t *rmvFailList = NULLP;
+ RICaction_RefusedToBeRemoved_ItemIEs_t *rmvFailListItem = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : %s: Received RIC Subscription Modification Confirm", __func__);
+
+ do{
+ if(!e2apMsg)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: E2AP Message is NULL", __func__);
+ break;
+ }
+
+ if(!e2apMsg->choice.successfulOutcome)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Successful Outcome in E2AP message is NULL", __func__);
+ break;
+ }
+
+ ricSubsModCfm = &e2apMsg->choice.successfulOutcome->value.choice.RICsubscriptionModificationConfirm;
+ if(!ricSubsModCfm->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Array conatining E2AP message IEs is null", __func__);
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < ricSubsModCfm->protocolIEs.list.count; ieIdx++)
+ {
+ if(!ricSubsModCfm->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : %s: IE at index [%d] in E2AP message IEs list is null", __func__, ieIdx);
+ break;
+ }
+
+ ricSubsModCfmIe = ricSubsModCfm->protocolIEs.list.array[ieIdx];
+ switch(ricSubsModCfmIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ {
+ memset(&ricReqId, 0, sizeof(RicRequestId));
+ ricReqId.requestorId = ricSubsModCfmIe->value.choice.RICrequestID.ricRequestorID;
+ ricReqId.instanceId = ricSubsModCfmIe->value.choice.RICrequestID.ricInstanceID;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ {
+ ranFuncId = ricSubsModCfmIe->value.choice.RANfunctionID;
+ ranFuncDb = fetchRanFuncFromRanFuncId(ranFuncId);
+ if(!ranFuncDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: RAN Function ID [%d] not found", __func__, ranFuncId);
+ procFailure = true;
+ break;
+ }
+
+ ricSubsDb = fetchSubsInfoFromRicReqId(ricReqId, ranFuncDb, &ricSubsNode);
+ if(!ricSubsDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: RIC Subscription not found for Requestor_ID [%d] Instance_ID [%d]",\
+ __func__, ricReqId.requestorId, ricReqId.instanceId);
+ procFailure = true;
+ break;
+ }
+
+ break;
+ }
+
+/* A RIC Subscription includes RIC subsequent action only for RIC Insert service.
+ * However, E2SM-KPM supports only RIC Report service.
+ * Hence there is no subsequent action in RIC subscription that may require modification.
+ * So commenting the action-modification IEs for the time being
+ */
+#if 0
+ case ProtocolIE_IDE2_id_RICactionsConfirmedForModification_List:
+ {
+ modCfmList = &ricSubsModCfmIe->value.choice.RICactions_ConfirmedForModification_List;
+ for(arrIdx = 0; arrIdx < modCfmList->list.count; arrIdx++)
+ {
+ modCfmListItem = (RICaction_ConfirmedForModification_ItemIEs_t *)modCfmList->list.array[arrIdx];
+ actionId = modCfmListItem->value.choice.RICaction_ConfirmedForModification_Item.ricActionID;
+
+ actionDb = fetchActionInfoFromActionId(actionId, ricSubsDb);
+ if(!actionDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Action ID [%d] not found", __func__, actionId);
+ }
+ else
+ {
+ actionDb->action = CONFIG_UNKNOWN;
+ /* Further handling can be added here in future once the
+ * use case of this procedure is identified */
+ }
+ actionDb = NULLP;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRefusedToBeModified_List:
+ {
+ modRefusedList = &ricSubsModCfmIe->value.choice.RICactions_RefusedToBeModified_List;
+ for(arrIdx = 0; arrIdx < modRefusedList->list.count; arrIdx++)
+ {
+ modRefusedListItem = (RICaction_RefusedToBeModified_ItemIEs_t *)modRefusedList->list.array[arrIdx];
+ actionId = modRefusedListItem->value.choice.RICaction_RefusedToBeModified_Item.ricActionID;
+ actionDb = fetchActionInfoFromActionId(actionId, ricSubsDb);
+ if(!actionDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Action ID [%d] not found", __func__, actionId);
+ }
+ else
+ {
+ /* Spec doesnt mention if in case of failure, DU should retry for modify action
+ * Hence, chaging the action from CONFIG_MOD to CONFIG_UNKNOWN
+ */
+ actionDb->action = CONFIG_UNKNOWN;
+ }
+ actionDb = NULLP;
+ }
+ break;
+ }
+#endif
+
+ case ProtocolIE_IDE2_id_RICactionsConfirmedForRemoval_List:
+ {
+ rmvCfmList = &ricSubsModCfmIe->value.choice.RICactions_ConfirmedForRemoval_List;
+ for(arrIdx = 0; arrIdx < rmvCfmList->list.count; arrIdx++)
+ {
+ rmvCfmListItem = (RICaction_ConfirmedForRemoval_ItemIEs_t *)rmvCfmList->list.array[arrIdx];
+ actionId = rmvCfmListItem->value.choice.RICaction_ConfirmedForRemoval_Item.ricActionID;
+ actionDb = fetchActionInfoFromActionId(actionId, ricSubsDb);
+ if(!actionDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Action ID [%d] not found", __func__, actionId);
+ }
+ else
+ {
+ deleteActionSequence(actionDb);
+ actionDb =NULLP;
+ ricSubsDb->numOfActions--;
+ /* Further handling can include :
+ * Deletion of this action from all DU layers
+ */
+ }
+ actionDb = NULLP;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RICactionsRefusedToBeRemoved_List:
+ {
+ rmvFailList = &ricSubsModCfmIe->value.choice.RICactions_RefusedToBeRemoved_List;
+ for(arrIdx = 0; arrIdx < rmvFailList->list.count; arrIdx++)
+ {
+ rmvFailListItem = (RICaction_RefusedToBeRemoved_ItemIEs_t *)rmvFailList->list.array[arrIdx];
+ actionId = rmvFailListItem->value.choice.RICaction_RefusedToBeRemoved_Item.ricActionID;
+ actionDb = fetchActionInfoFromActionId(actionId, ricSubsDb);
+ if(!actionDb)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Action ID [%d] not found", __func__, actionId);
+ }
+ else
+ {
+ actionDb->action = CONFIG_UNKNOWN;
+ }
+ actionDb = NULLP;
+ }
+ break;
+ }
+
+ default:
+ break;
+ } /* End of switch for Protocol IE Id */
+
+ if(procFailure)
+ break;
+ } /* End of for loop for Protocol IE list */
+
+ break;
+ }while(true);
+
+ freeAperDecodingOfRicSubsModConfirm(e2apMsg);
+ return;
+}
+
+/******************************************************************
+* @brief Deallocate the memory allocated for E2 Reset Response
+*
+* @details
+*
+* Function : FreeE2ResetResponse
+*
+* Functionality:
+* - freeing the memory allocated for E2ResetResponse
+*
+* @params[in] E2AP_PDU_t *e2apMsg
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+void FreeE2ResetResponse(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ ResetResponseE2_t *resetResponse;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.successfulOutcome != NULLP)
+ {
+ resetResponse = &e2apMsg->choice.successfulOutcome->value.choice.ResetResponseE2;
+ if(resetResponse->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx < resetResponse->protocolIEs.list.count; ieIdx++)
+ {
+ if(resetResponse->protocolIEs.list.array[ieIdx])
+ {
+ DU_FREE(resetResponse->protocolIEs.list.array[ieIdx], sizeof(ResetResponseIEs_t));
+ }
+ }
+ DU_FREE(resetResponse->protocolIEs.list.array, resetResponse->protocolIEs.list.size);
+ }
+
+ DU_FREE(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 Reset Response msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2ResetResponse
+ *
+ * Functionality:
+ * - Buld and send the E2 Reset Response Message
+ *
+ * @params[in] Trans Id
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendResetResponse(uint8_t transId)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ ResetResponseE2_t *resetResponse;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Reset Response Message\n");
+ do
+ {
+ DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t));
+ if(e2apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetResponse(): Memory allocation for E2AP-PDU failed");
+ break;
+ }
+ e2apMsg->present = E2AP_PDU_PR_successfulOutcome;
+
+ DU_ALLOC(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ if(e2apMsg->choice.successfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetResponse: Memory allocation failed for successfulOutcome");
+ break;
+ }
+
+ e2apMsg->choice.successfulOutcome->procedureCode = ProcedureCodeE2_id_Reset;
+ e2apMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.successfulOutcome->value.present = SuccessfulOutcomeE2__value_PR_ResetResponseE2;
+ resetResponse = &e2apMsg->choice.successfulOutcome->value.choice.ResetResponseE2;
+
+ elementCnt = 1;
+ resetResponse->protocolIEs.list.count = elementCnt;
+ resetResponse->protocolIEs.list.size = elementCnt * sizeof(ResetResponseIEs_t *);
+ DU_ALLOC(resetResponse->protocolIEs.list.array, resetResponse->protocolIEs.list.size);
+ if(!resetResponse->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetResponse: Memory allocation failed for protocol IE array");
+ break;
+ }
+
+ for(ieIdx=0; ieIdx < elementCnt; ieIdx++)
+ {
+ DU_ALLOC(resetResponse->protocolIEs.list.array[ieIdx], sizeof(ResetResponseIEs_t));
+ if(!resetResponse->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetResponse: Memory allocation failed for protocol IE array element");
+ break;
+ }
+ }
+ if(ieIdx < elementCnt)
+ break;
+
+ ieIdx = 0;
+ resetResponse->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ resetResponse->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ resetResponse->protocolIEs.list.array[ieIdx]->value.present = ResetResponseIEs__value_PR_TransactionID;
+ resetResponse->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_E2AP_PDU, 0, e2apMsg, PrepFinalEncBuf, encBuf);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2 reset response structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2 Reset Response \n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ /* Sending msg */
+ if(SendE2APMsg(DU_APP_MEM_REGION, DU_POOL, encBuf, encBufSize) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Reset Response");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2ResetResponse(e2apMsg);
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder for reset req
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfE2ResetReq
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder for
+ * reset req
+ *
+ * @params[in] Pointer to resetReq
+ * @return void
+ *
+ * ****************************************************************/
+void freeAperDecodingOfE2ResetReq(ResetRequestE2_t *resetReq)
+{
+ uint8_t arrIdx=0;
+
+ if(resetReq)
+ {
+ if(resetReq->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<resetReq->protocolIEs.list.count; arrIdx++)
+ {
+ if(resetReq->protocolIEs.list.array[arrIdx])
+ {
+ free(resetReq->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(resetReq->protocolIEs.list.array);
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Process reset req received from RIC
+ *
+ * @details
+ *
+ * Function : procE2ResetRequest
+ *
+ * Functionality: Process reset req received from RIC
+ *
+ * @param E2AP_PDU_t *e2apMsg
+ * @return void
+ *
+ ******************************************************************/
+
+void procE2ResetRequest(E2AP_PDU_t *e2apMsg)
+{
+ uint16_t ranFuncIdx=0;
+ uint8_t arrIdx =0, transId =0;
+ ResetRequestE2_t *resetReq;
+
+ DU_LOG("\nINFO --> E2AP : E2 Reset request received");
+ resetReq = &e2apMsg->choice.initiatingMessage->value.choice.ResetRequestE2;
+
+ for(arrIdx=0; arrIdx<resetReq->protocolIEs.list.count; arrIdx++)
+ {
+ switch(resetReq->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = resetReq->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_CauseE2:
+ {
+ for(ranFuncIdx=0; ranFuncIdx<MAX_RAN_FUNCTION; ranFuncIdx++)
+ {
+ if(duCb.e2apDb.ranFunction[ranFuncIdx].id >0)
+ {
+ deleteRicSubscriptionList(&(duCb.e2apDb.ranFunction[ranFuncIdx].subscriptionList));
+ memset(&(duCb.e2apDb.ranFunction[ranFuncIdx].pendingSubsRspInfo), 0, MAX_PENDING_SUBSCRIPTION_RSP*sizeof(PendingSubsRspInfo));
+ }
+ }
+ break;
+ }
+ }
+ }
+ if(BuildAndSendResetResponse(transId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send reset response");
+ }
+ freeAperDecodingOfE2ResetReq(resetReq);
+}
+
+/*******************************************************************
+ *
+ * @brief Free APER decoding of RIC Subscription Modification Refuse
+ *
+ * @details
+ *
+ * Function : freeAperDecodingOfRicSubsModRefuse
+ *
+ * Functionality: Free APER decoding of RIC Subscription
+ * Modification Refuse
+ *
+ * @param E2AP Message PDU
+ * @return void
+ *
+ ******************************************************************/
+void freeAperDecodingOfRicSubsModRefuse(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ RICsubscriptionModificationRefuse_t *ricSubsModRefuse = NULLP;
+
+ if(e2apMsg && e2apMsg->choice.unsuccessfulOutcome)
+ {
+ ricSubsModRefuse = &e2apMsg->choice.unsuccessfulOutcome->value.choice.RICsubscriptionModificationRefuse;
+ if(ricSubsModRefuse->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < ricSubsModRefuse->protocolIEs.list.count; ieIdx++)
+ {
+ if(ricSubsModRefuse->protocolIEs.list.array[ieIdx])
+ free(ricSubsModRefuse->protocolIEs.list.array[ieIdx]);
+ }
+ free(ricSubsModRefuse->protocolIEs.list.array);
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Process RIC Subscription Modification Refuse Message
+ *
+ * @details
+ *
+ * Function : procRicSubscriptionModificationRefuse
+ *
+ * Functionality: Process RIC Subscription Modification Refuse
+ * Message received from RIC.
+ *
+ * @param E2AP Message PDU
+ * @return void
+ *
+ ******************************************************************/
+void procRicSubscriptionModificationRefuse(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx = 0;
+ uint16_t ranFuncId = 0;
+ RicRequestId ricReqId;
+ RICsubscriptionModificationRefuse_t *ricSubsModRefuse = NULLP;
+ RICsubscriptionModificationRefuse_IEs_t *ricSubsModRefuseIe = NULLP;
+ CauseE2_t *cause = NULLP;
+
+ DU_LOG("\nINFO --> E2AP : %s: Received RIC Subscription Modification Refuse", __func__);
+
+ do{
+ if(!e2apMsg)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: E2AP Message is NULL", __func__);
+ break;
+ }
+
+ if(!e2apMsg->choice.unsuccessfulOutcome)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Unsuccessful Outcome in E2AP message is NULL", __func__);
+ break;
+ }
+
+ ricSubsModRefuse = &e2apMsg->choice.unsuccessfulOutcome->value.choice.RICsubscriptionModificationRefuse;
+ if(!ricSubsModRefuse->protocolIEs.list.array)
+ {
+ DU_LOG("\nERROR --> E2AP : %s: Array conatining E2AP message IEs is null", __func__);
+ break;
+ }
+
+ for(ieIdx = 0; ieIdx < ricSubsModRefuse->protocolIEs.list.count; ieIdx++)
+ {
+ if(!ricSubsModRefuse->protocolIEs.list.array[ieIdx])
+ {
+ DU_LOG("\nERROR --> E2AP : %s: IE at index [%d] in E2AP message IEs list is null", __func__, ieIdx);
+ break;
+ }
+
+ ricSubsModRefuseIe = ricSubsModRefuse->protocolIEs.list.array[ieIdx];
+ switch(ricSubsModRefuseIe->id)
+ {
+ case ProtocolIE_IDE2_id_RICrequestID:
+ {
+ memset(&ricReqId, 0, sizeof(RicRequestId));
+ ricReqId.requestorId = ricSubsModRefuseIe->value.choice.RICrequestID.ricRequestorID;
+ ricReqId.instanceId = ricSubsModRefuseIe->value.choice.RICrequestID.ricInstanceID;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_RANfunctionID:
+ {
+ ranFuncId = ricSubsModRefuseIe->value.choice.RANfunctionID;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_CauseE2:
+ {
+ DU_LOG("\nDEBUG --> E2AP : %s: RIC subscriptiom modification refused for RIC_Requestor_ID [%d] \
+ RIC_Instance_ID [%d] RAN_Function_ID [%d] ", __func__, ricReqId.requestorId, \
+ ricReqId.instanceId, ranFuncId);
+
+ cause = &ricSubsModRefuseIe->value.choice.CauseE2;
+ printE2ErrorCause(cause);
+ }
+
+ default:
+ break;
+ } /* End of switch for Protocol IE Id */
+ } /* End of for loop for Protocol IE list */
+
+ break;
+ }while(true);
+
+ freeAperDecodingOfRicSubsModRefuse(e2apMsg);
+ return;
+}
+
+/*******************************************************************
+ *
+ * @brief Handles received E2AP message and sends back response
+ *
+ * @details
+ *
+ * Function : E2APMsgHdlr
+ *
+ * Functionality:
+ * - Decodes received E2AP control message
+ * - Prepares response message, encodes and sends to SCTP
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void E2APMsgHdlr(Buffer *mBuf)
+{
+ int i =0;
+ char *recvBuf = NULLP;
+ MsgLen copyCnt =0;
+ MsgLen recvBufLen =0;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ asn_dec_rval_t rval ={0}; /* Decoder return value */
+ E2AP_PDU_t e2apasnmsg={0} ;
+
+ DU_LOG("\nDEBUG --> E2AP : Received E2AP message buffer");
+ ODU_PRINT_MSG(mBuf, 0,0);
+
+ /* Copy mBuf into char array to decode it */
+ ODU_GET_MSG_LEN(mBuf, &recvBufLen);
+ DU_ALLOC(recvBuf, (Size)recvBufLen);
+
+ if(recvBuf == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed");
+ return;
+ }
+ if(ODU_COPY_MSG_TO_FIX_BUF(mBuf, 0, recvBufLen, (Data *)recvBuf, ©Cnt) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed while copying %d", copyCnt);
+ return;
+ }
+
+#ifdef DEBUG_ASN_PRINT
+ printf("\nDEBUG --> E2AP : Received flat buffer to be decoded : ");
+ for(i=0; i< recvBufLen; i++)
+ {
+ printf("%x",recvBuf[i]);
+ }
+#endif
+
+ /* Decoding flat buffer into E2AP messsage */
+ e2apMsg = &e2apasnmsg;
+ memset(e2apMsg, 0, sizeof(E2AP_PDU_t));
+
+ rval = aper_decode(0, &asn_DEF_E2AP_PDU, (void **)&e2apMsg, recvBuf, recvBufLen, 0, 0);
+ DU_FREE(recvBuf, (Size)recvBufLen);
+
+ if(rval.code == RC_FAIL || rval.code == RC_WMORE)
+ {
+ DU_LOG("\nERROR --> E2AP : ASN decode failed");
+ return;
+ }
+ printf("\n");
+ xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
+
+ switch(e2apMsg->present)
+ {
+ case E2AP_PDU_PR_unsuccessfulOutcome:
+ {
+ switch(e2apMsg->choice.unsuccessfulOutcome->value.present)
+ {
+ case UnsuccessfulOutcomeE2__value_PR_E2setupFailure:
+ {
+ procE2SetupFailure(e2apMsg);
+ break;
+ }
+ case UnsuccessfulOutcomeE2__value_PR_E2nodeConfigurationUpdateFailure:
+ {
+ procE2NodeConfigUpdateFailure(e2apMsg);
+ break;
+ }
+ case UnsuccessfulOutcomeE2__value_PR_RICserviceUpdateFailure:
+ {
+ procRicServiceUpdateFailure(e2apMsg);
+ break;
+ }
+ case UnsuccessfulOutcomeE2__value_PR_RICsubscriptionModificationRefuse:
+ {
+ procRicSubscriptionModificationRefuse(e2apMsg);
+ break;
+ }
+ default:
{
DU_LOG("\nERROR --> E2AP : Invalid type of E2AP_PDU_PR_unsuccessfulOutcome [%d]",\
e2apMsg->choice.unsuccessfulOutcome->value.present);
return;
}
}
+ free(e2apMsg->choice.unsuccessfulOutcome);
break;
}
case E2AP_PDU_PR_successfulOutcome:
procRicServiceUpdateAck(e2apMsg);
break;
}
-
+ case SuccessfulOutcomeE2__value_PR_RICsubscriptionModificationConfirm:
+ {
+ procRicSubscriptionModificationConfirm(e2apMsg);
+ break;
+ }
default:
{
DU_LOG("\nINFO --> E2AP : Error indication received");
break;
}
+ case InitiatingMessageE2__value_PR_ResetRequestE2:
+ {
+ DU_LOG("\nINFO --> E2AP : Error indication received");
+ procE2ResetRequest(e2apMsg);
+ break;
+ }
default:
{
DU_LOG("\nERROR --> E2AP : Invalid type of E2AP_PDU_PR_initiatingMessage [%d]",\
Code Review / o-du / l2.git / blobdiff