+/*******************************************************************
+ *
+ * @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])
+ {
+ RIC_FREE(resetResponse->protocolIEs.list.array[ieIdx], sizeof(ResetResponseIEs_t));
+ }
+ }
+ RIC_FREE(resetResponse->protocolIEs.list.array, resetResponse->protocolIEs.list.size);
+ }
+ RIC_FREE(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ }
+ RIC_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
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendResetResponse(uint32_t duId, 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
+ {
+ RIC_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;
+
+ RIC_ALLOC(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ if(e2apMsg->choice.successfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : BuildAndSendResetResponse: Memory allocation failed for successfulOutcome");
+ RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ return RFAILED;
+ }
+
+ 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 *);
+ RIC_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++)
+ {
+ RIC_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");
+ return RFAILED;
+ }
+ 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(RIC_APP_MEM_REG, RIC_POOL, duId) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Reset Response");
+ return RFAILED;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2ResetResponse(e2apMsg);
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief process the E2 Reset Request
+ *
+ * @details
+ *
+ * Function : ProcE2ResetReq
+ *
+ * Functionality: Process E2 Reset Request
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+
+uint8_t ProcE2ResetReq(uint32_t duId, ResetRequestE2_t *resetReq)
+{
+ uint8_t ieIdx = 0, duIdx = 0;
+ uint8_t transId = 0, cause = 0;
+ DuDb *duDb = NULLP;
+
+ if(resetReq)
+ {
+ if(resetReq->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx < resetReq->protocolIEs.list.count; ieIdx++)
+ {
+ if(resetReq->protocolIEs.list.array[ieIdx])
+ {
+ switch(resetReq->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ transId = resetReq->protocolIEs.list.array[ieIdx]->value.choice.TransactionID;
+ break;
+ case ProtocolIE_IDE2_id_CauseE2:
+ DU_LOG("\nDEBUG --> E2AP : Reset reason %d", resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.present);
+ switch(resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.present)
+ {
+ case CauseE2_PR_NOTHING:
+ break;
+ case CauseE2_PR_ricRequest:
+ cause = resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.ricRequest;
+ break;
+ case CauseE2_PR_ricService:
+ cause = resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.ricService;
+ break;
+ case CauseE2_PR_e2Node:
+ cause = resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.e2Node;
+ break;
+ case CauseE2_PR_transport:
+ cause = resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.transport;
+ break;
+ case CauseE2_PR_protocol:
+ cause = resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.protocol;
+ break;
+ case CauseE2_PR_misc:
+ cause = resetReq->protocolIEs.list.array[ieIdx]->value.choice.CauseE2.choice.misc;
+ break;
+ }
+ DU_LOG("\nDEBUG --> E2AP : Reset cause %d", cause);
+ break;
+ }
+ }
+ }
+ }
+ }
+ BuildAndSendResetResponse(duId, transId);
+ return ROK;
+}
+