From 9ab3369c907973faca5e882c6a82cf9f5bd4deff Mon Sep 17 00:00:00 2001 From: pborla Date: Wed, 25 Oct 2023 17:36:13 +0530 Subject: [PATCH] [Epic-ID: ODUHIGH-516][Task-ID: ODUHIGH-535] Implementation of E2 Removal Procedure(E2-Node initiated) Change-Id: Iced6b80c9fbf1d3f4430416f91d55492f7abaf2b Signed-off-by: pborla --- src/du_app/du_e2ap_msg_hdl.c | 380 +++++++++++++++++++++++++++++++++++++- src/ric_stub/ric_e2ap_msg_hdl.c | 397 +++++++++++++++++++++++++++++++++++++++- 2 files changed, 769 insertions(+), 8 deletions(-) diff --git a/src/du_app/du_e2ap_msg_hdl.c b/src/du_app/du_e2ap_msg_hdl.c index 83be943cb..6dffb518a 100644 --- a/src/du_app/du_e2ap_msg_hdl.c +++ b/src/du_app/du_e2ap_msg_hdl.c @@ -232,7 +232,7 @@ void FreeE2RemovalFailure(E2AP_PDU_t *e2apMsg) * * ****************************************************************/ -uint8_t BuildAndSendRemovalFailure(uint8_t transId, E2FailureCause failureCause) +uint8_t BuildAndSendRemovalFailure(uint16_t transId, E2FailureCause failureCause) { uint8_t ieIdx = 0, elementCnt = 0; uint8_t ret = RFAILED; @@ -391,7 +391,7 @@ void FreeE2RemovalResponse(E2AP_PDU_t *e2apMsg) * RFAILED - failure * * ****************************************************************/ -uint8_t BuildAndSendRemovalResponse(uint8_t transId) +uint8_t BuildAndSendRemovalResponse(uint16_t transId) { uint8_t ieIdx = 0, elementCnt = 0; uint8_t ret = RFAILED; @@ -538,7 +538,8 @@ void freeAperDecodingOfE2RemovalReq(E2RemovalRequest_t *removalReq) void procE2RemovalRequest(E2AP_PDU_t *e2apMsg) { - uint8_t arrIdx =0, transId =0; + uint8_t arrIdx =0; + uint16_t transId =0; E2FailureCause failureCause; E2RemovalRequest_t *removalReq=NULLP; @@ -7880,6 +7881,369 @@ void procE2NodeConfigUpdateAck(E2AP_PDU_t *e2apMsg) freeAperDecodingOfE2NodeConfigUpdateAck(e2NodeConfigUpdateAck); } +/******************************************************************* + * + * @brief Deallocate the memory allocated for RemovalRequest msg + * + * @details + * + * Function : FreeRemovalRequest + * + * Functionality: + * - freeing the memory allocated for RemovalRequest + * + * @params[in] E2AP_PDU_t *e2apMsg + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +void FreeRemovalRequest(E2AP_PDU_t *e2apMsg) +{ + uint8_t ieIdx =0; + E2RemovalRequest_t *removalReq = NULLP; + + if(e2apMsg != NULLP) + { + if(e2apMsg->choice.initiatingMessage != NULLP) + { + removalReq = &e2apMsg->choice.initiatingMessage->value.choice.E2RemovalRequest; + if(removalReq->protocolIEs.list.array) + { + for(ieIdx = 0; ieIdx < removalReq->protocolIEs.list.count; ieIdx++) + { + DU_FREE(removalReq->protocolIEs.list.array[ieIdx], sizeof(E2RemovalRequestIEs_t)); + } + DU_FREE(removalReq->protocolIEs.list.array, removalReq->protocolIEs.list.size); + } + DU_FREE(e2apMsg->choice.initiatingMessage, sizeof(InitiatingMessageE2_t)); + } + DU_FREE(e2apMsg, sizeof(E2AP_PDU_t)); + } +} + +/******************************************************************* + * + * @brief Build and send the removal request msg + * + * @details + * + * Function : BuildAndSendRemovalRequest + * + * Functionality: + * - Buld and send the removal request msg to E2 node + * + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ + +uint8_t BuildAndSendRemovalRequest() +{ + uint8_t ieIdx = 0, elementCnt = 0, transId = 0; + uint8_t ret = RFAILED; + E2AP_PDU_t *e2apMsg = NULLP; + E2RemovalRequest_t *removalReq = NULLP; + asn_enc_rval_t encRetVal; /* Encoder return value */ + + DU_LOG("\nINFO --> E2AP : Building Removal Request\n"); + + do + { + DU_ALLOC(e2apMsg, sizeof(E2AP_PDU_t)); + if(e2apMsg == NULLP) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s 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 : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + + e2apMsg->choice.initiatingMessage->procedureCode = ProcedureCodeE2_id_E2removal; + e2apMsg->choice.initiatingMessage->criticality = CriticalityE2_reject; + e2apMsg->choice.initiatingMessage->value.present = InitiatingMessageE2__value_PR_E2RemovalRequest; + removalReq = &e2apMsg->choice.initiatingMessage->value.choice.E2RemovalRequest; + + elementCnt = 1; + removalReq->protocolIEs.list.count = elementCnt; + removalReq->protocolIEs.list.size = elementCnt * sizeof(E2RemovalRequestIEs_t *); + + DU_ALLOC(removalReq->protocolIEs.list.array, removalReq->protocolIEs.list.size); + if(!removalReq->protocolIEs.list.array) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + + for(ieIdx = 0; ieIdx < elementCnt; ieIdx++) + { + DU_ALLOC(removalReq->protocolIEs.list.array[ieIdx], sizeof(E2RemovalRequestIEs_t)); + if(!removalReq->protocolIEs.list.array[ieIdx]) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + } + + /* In case of failure */ + if(ieIdx < elementCnt) + break; + + ieIdx = 0; + removalReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID; + removalReq->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject; + removalReq->protocolIEs.list.array[ieIdx]->value.present = E2RemovalRequestIEs__value_PR_TransactionID; + transId = assignTransactionId(); + removalReq->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId; + + /* 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 removal request structure (at %s)\n",\ + encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); + break; + } + else + { + DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for removal request\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 removal request failed"); + break; + } + + + ret = ROK; + duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId = transId; + duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode = e2apMsg->choice.initiatingMessage->procedureCode; + break; + }while(true); + + /* Free all memory */ + FreeRemovalRequest(e2apMsg); + + return ret; +} + +/****************************************************************** + * + * @brief Deallocation of memory allocated by aper decoder + * for Removal failure + * + * @details + * + * Function : freeAperDecodingOfE2RemovalFailure + * + * Functionality: Deallocation of memory allocated by aper decoder + * for Removal failure + * + * @params[in] Pointer to removalFailure + * @return void + * + * ****************************************************************/ +void freeAperDecodingOfE2RemovalFailure(E2RemovalFailure_t *removalFailure) +{ + uint8_t arrIdx=0; + + if(removalFailure) + { + if(removalFailure->protocolIEs.list.array) + { + for(arrIdx=0; arrIdxprotocolIEs.list.count; arrIdx++) + { + if(removalFailure->protocolIEs.list.array[arrIdx]) + { + free(removalFailure->protocolIEs.list.array[arrIdx]); + } + } + free(removalFailure->protocolIEs.list.array); + } + } +} + +/****************************************************************** + * + * @brief Processes the E2 removal failure msg + * + * @details + * + * Function : procE2RemovalFailure + * + * Functionality: Processes the E2 removal failure msg + * + * @params[in] + * E2AP_PDU_t *e2apMsg + * + * @return void + * + * ****************************************************************/ +void ProcE2RemovalFailure(E2AP_PDU_t *e2apMsg) +{ + uint8_t ieIdx = 0, transId=0; + CauseE2_t *cause = NULLP; + E2RemovalFailure_t *e2RemovalFailure=NULLP; + + e2RemovalFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2RemovalFailure; + + if(!e2RemovalFailure->protocolIEs.list.array) + { + DU_LOG("\nERROR --> E2AP : e2RemovalFailure array pointer is null"); + return; + } + + for(ieIdx=0; ieIdx < e2RemovalFailure->protocolIEs.list.count; ieIdx++) + { + if(e2RemovalFailure->protocolIEs.list.array[ieIdx]) + { + switch(e2RemovalFailure->protocolIEs.list.array[ieIdx]->id) + { + case ProtocolIE_IDE2_id_TransactionID: + { + transId = e2RemovalFailure->protocolIEs.list.array[ieIdx]->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); + } + break; + } + case ProtocolIE_IDE2_id_CauseE2: + { + cause = &e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.choice.CauseE2; + printE2ErrorCause(cause); + break; + } + default: + { + DU_LOG("\nERROR --> E2AP : Received Invalid Ie [%ld]", e2RemovalFailure->protocolIEs.list.array[ieIdx]->id); + break; + } + } + } + } + freeAperDecodingOfE2RemovalFailure(e2RemovalFailure); +} + + /****************************************************************** + * + * @brief Deallocation of memory allocated by aper decoder + * for Removal failure + * + * @details + * + * Function : freeAperDecodingOfE2RemovalResponse + * + * Functionality: Deallocation of memory allocated by aper decoder + * for Removal failure + * + * @params[in] Pointer to removalResponse + * @return void + * + * ****************************************************************/ + void freeAperDecodingOfE2RemovalResponse(E2RemovalResponse_t *removalResponse) + { + uint8_t arrIdx=0; + + if(removalResponse) + { + if(removalResponse->protocolIEs.list.array) + { + for(arrIdx=0; arrIdxprotocolIEs.list.count; arrIdx++) + { + if(removalResponse->protocolIEs.list.array[arrIdx]) + { + free(removalResponse->protocolIEs.list.array[arrIdx]); + } + } + free(removalResponse->protocolIEs.list.array); + } + } + } + +/******************************************************************* + * + * @brief process the E2 Removal Response + * + * @details + * + * Function : ProcE2RemovalResponse + * + * Functionality: Process E2 Removal Response + * + * @params[in] + * E2AP_PDU_t *e2apMsg + * @return void + * + ******************************************************************/ + +void ProcE2RemovalResponse(E2AP_PDU_t *e2apMsg) +{ + uint8_t ieIdx = 0, transId=0; + E2RemovalResponse_t *removalRsp = NULLP; + + removalRsp = &e2apMsg->choice.successfulOutcome->value.choice.E2RemovalResponse; + + if(!removalRsp->protocolIEs.list.array) + { + DU_LOG("\nERROR --> E2AP : removalRsp array pointer is null"); + return; + } + + for(ieIdx=0; ieIdx < removalRsp->protocolIEs.list.count; ieIdx++) + { + if(removalRsp->protocolIEs.list.array[ieIdx]) + { + switch(removalRsp->protocolIEs.list.array[ieIdx]->id) + { + case ProtocolIE_IDE2_id_TransactionID: + { + transId = removalRsp->protocolIEs.list.array[ieIdx]->value.choice.TransactionID; + if((duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].transactionId == transId) &&\ + (duCb.e2apDb.e2TransInfo.e2InitTransaction[transId].procedureCode == e2apMsg->choice.unsuccessfulOutcome->procedureCode)) + { + removeE2NodeInformation(); + memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo)); + } + else + { + DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId); + } + break; + } + default: + { + DU_LOG("\nERROR --> E2AP : Received Invalid Ie [%ld]", removalRsp->protocolIEs.list.array[ieIdx]->id); + break; + } + } + } + } + + freeAperDecodingOfE2RemovalResponse(removalRsp); +} + /******************************************************************* * * @brief Handles received E2AP message and sends back response @@ -7974,6 +8338,11 @@ void E2APMsgHdlr(Buffer *mBuf) procRicSubscriptionModificationRefuse(e2apMsg); break; } + case UnsuccessfulOutcomeE2__value_PR_E2RemovalFailure: + { + ProcE2RemovalFailure(e2apMsg); + break; + } default: { DU_LOG("\nERROR --> E2AP : Invalid type of E2AP_PDU_PR_unsuccessfulOutcome [%d]",\ @@ -8016,6 +8385,11 @@ void E2APMsgHdlr(Buffer *mBuf) procE2NodeConfigUpdateAck(e2apMsg); break; } + case SuccessfulOutcomeE2__value_PR_E2RemovalResponse: + { + ProcE2RemovalResponse(e2apMsg); + break; + } default: { DU_LOG("\nERROR --> E2AP : Invalid type of E2AP_PDU_PR_successfulOutcome [%d]",\ diff --git a/src/ric_stub/ric_e2ap_msg_hdl.c b/src/ric_stub/ric_e2ap_msg_hdl.c index 5f8b11563..e9bc3f5fb 100644 --- a/src/ric_stub/ric_e2ap_msg_hdl.c +++ b/src/ric_stub/ric_e2ap_msg_hdl.c @@ -6023,7 +6023,7 @@ void deleteE2NodeInfo(DuDb *duDb) * * @details * - * Function : ProcRemovalResponse + * Function : ProcE2RemovalResponse * * Functionality: Process E2 Removal Response * @@ -6034,12 +6034,10 @@ void deleteE2NodeInfo(DuDb *duDb) * ******************************************************************/ -void ProcRemovalResponse(uint32_t duId, E2RemovalResponse_t *removalRsp) +void ProcE2RemovalResponse(uint32_t duId, E2RemovalResponse_t *removalRsp) { uint8_t ieIdx = 0, duIdx =0; DuDb *duDb = NULLP; - RanFunction *ranFuncDb = NULLP; - uint16_t ranFuncIdx = 0; SEARCH_DU_DB(duIdx, duId, duDb); if(duDb == NULLP) @@ -6080,6 +6078,388 @@ void ProcRemovalResponse(uint32_t duId, E2RemovalResponse_t *removalRsp) } } } +/******************************************************************* + * + * @brief Deallocate the memory allocated for E2 Removal Failure + * + * @details + * + * Function : FreeE2RemovalFailure + * + * Functionality: + * - freeing the memory allocated for E2RemovalFailure + * + * @params[in] E2AP_PDU_t *e2apMsg + * @return void + * + * ****************************************************************/ +void FreeE2RemovalFailure(E2AP_PDU_t *e2apMsg) +{ + uint8_t ieIdx =0; + E2RemovalFailure_t *e2RemovalFailure=NULLP; + + if(e2apMsg != NULLP) + { + if(e2apMsg->choice.unsuccessfulOutcome != NULLP) + { + e2RemovalFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2RemovalFailure; + if(e2RemovalFailure->protocolIEs.list.array) + { + for(ieIdx=0; ieIdx < e2RemovalFailure->protocolIEs.list.count; ieIdx++) + { + if(e2RemovalFailure->protocolIEs.list.array[ieIdx]) + { + RIC_FREE(e2RemovalFailure->protocolIEs.list.array[ieIdx], sizeof(E2RemovalFailureIEs_t)); + } + } + RIC_FREE(e2RemovalFailure->protocolIEs.list.array, e2RemovalFailure->protocolIEs.list.size); + } + RIC_FREE(e2apMsg->choice.unsuccessfulOutcome, sizeof(UnsuccessfulOutcomeE2_t)); + } + RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t)); + } +} + +/******************************************************************* + * + * @brief Buld and send the E2 Removal Failure msg + * + * @details + * + * Function : BuildAndSendE2RemovalFailure + * + * Functionality: + * - Buld and send the E2 Removal Failure Message + * @params[in] + * DU Id + * Trans Id + * Type of failure + * Cause of failure + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ + +uint8_t BuildAndSendRemovalFailure(uint32_t duId, uint16_t transId, CauseE2_PR causePresent, uint8_t reason) +{ + uint8_t ieIdx = 0, elementCnt = 0; + uint8_t ret = RFAILED; + E2AP_PDU_t *e2apMsg = NULLP; + E2RemovalFailure_t *e2RemovalFailure=NULLP; + asn_enc_rval_t encRetVal; /* Encoder return value */ + + DU_LOG("\nINFO --> E2AP : Building E2 Removal Failure Message\n"); + do + { + RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t)); + if(e2apMsg == NULLP) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + e2apMsg->present = E2AP_PDU_PR_unsuccessfulOutcome; + + RIC_ALLOC(e2apMsg->choice.unsuccessfulOutcome, sizeof(UnsuccessfulOutcomeE2_t)); + if(e2apMsg->choice.unsuccessfulOutcome == NULLP) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + + e2apMsg->choice.unsuccessfulOutcome->procedureCode = ProcedureCodeE2_id_E2removal; + e2apMsg->choice.unsuccessfulOutcome->criticality = CriticalityE2_reject; + e2apMsg->choice.unsuccessfulOutcome->value.present = UnsuccessfulOutcomeE2__value_PR_E2RemovalFailure; + e2RemovalFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2RemovalFailure; + + elementCnt = 2; + e2RemovalFailure->protocolIEs.list.count = elementCnt; + e2RemovalFailure->protocolIEs.list.size = elementCnt * sizeof(E2RemovalFailureIEs_t *); + RIC_ALLOC(e2RemovalFailure->protocolIEs.list.array, e2RemovalFailure->protocolIEs.list.size); + if(!e2RemovalFailure->protocolIEs.list.array) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + + for(ieIdx=0; ieIdx < elementCnt; ieIdx++) + { + RIC_ALLOC(e2RemovalFailure->protocolIEs.list.array[ieIdx], sizeof(E2RemovalFailureIEs_t)); + if(!e2RemovalFailure->protocolIEs.list.array[ieIdx]) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + } + if(ieIdx < elementCnt) + break; + + ieIdx = 0; + e2RemovalFailure->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID; + e2RemovalFailure->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject; + e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.present = E2RemovalFailureIEs__value_PR_TransactionID; + e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId; + + /* Cause */ + ieIdx++; + e2RemovalFailure->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_CauseE2; + e2RemovalFailure->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_ignore; + e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.present = ErrorIndicationE2_IEs__value_PR_CauseE2; + fillE2FailureCause(&e2RemovalFailure->protocolIEs.list.array[ieIdx]->value.choice.CauseE2, causePresent, reason); + + 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 removal failure structure (at %s)\n",\ + encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); + break; + } + else + { + DU_LOG("\nDEBUG --> E2AP : Created APER encoded buffer for E2 Removal Failure \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 Removal Failure"); + break; + } + + ret = ROK; + break; + }while(true); + + FreeE2RemovalFailure(e2apMsg); + return ret; +} + +/******************************************************************* + * + * @brief Deallocate the memory allocated for E2 Removal Response + * + * @details + * + * Function : FreeE2RemovalResponse + * + * Functionality: + * - freeing the memory allocated for E2RemovalResponse + * + * @params[in] E2AP_PDU_t *e2apMsg + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +void FreeE2RemovalResponse(E2AP_PDU_t *e2apMsg) +{ + uint8_t ieIdx =0; + E2RemovalResponse_t *e2RemovalResponse=NULLP; + + if(e2apMsg != NULLP) + { + if(e2apMsg->choice.successfulOutcome != NULLP) + { + e2RemovalResponse = &e2apMsg->choice.successfulOutcome->value.choice.E2RemovalResponse; + if(e2RemovalResponse->protocolIEs.list.array) + { + for(ieIdx=0; ieIdx < e2RemovalResponse->protocolIEs.list.count; ieIdx++) + { + if(e2RemovalResponse->protocolIEs.list.array[ieIdx]) + { + RIC_FREE(e2RemovalResponse->protocolIEs.list.array[ieIdx], sizeof(E2RemovalResponseIEs_t)); + } + } + RIC_FREE(e2RemovalResponse->protocolIEs.list.array, e2RemovalResponse->protocolIEs.list.size); + } + RIC_FREE(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t)); + } + RIC_FREE(e2apMsg, sizeof(E2AP_PDU_t)); + } +} + +/******************************************************************* + * + * @brief Buld and send the E2 Removal Response msg + * + * @details + * + * Function : BuildAndSendE2RemovalResponse + * + * Functionality: + * - Buld and send the E2 Removal Response Message + * @params[in] + * Du Id + * Trans Id + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t BuildAndSendRemovalResponse(uint32_t duId, uint16_t transId) +{ + uint8_t ieIdx = 0, elementCnt = 0; + uint8_t ret = RFAILED, duIdx =0; + E2AP_PDU_t *e2apMsg = NULLP; + DuDb *duDb = NULLP; + E2RemovalResponse_t *e2RemovalResponse=NULLP; + asn_enc_rval_t encRetVal; /* Encoder return value */ + + DU_LOG("\nINFO --> E2AP : Building E2 Removal Response Message\n"); + do + { + SEARCH_DU_DB(duIdx, duId, duDb); + if(duDb == NULLP) + { + DU_LOG("\nERROR --> E2AP : duDb is not present for duId %d",duId); + return; + } + + RIC_ALLOC(e2apMsg, sizeof(E2AP_PDU_t)); + if(e2apMsg == NULLP) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + e2apMsg->present = E2AP_PDU_PR_successfulOutcome; + + RIC_ALLOC(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t)); + if(e2apMsg->choice.successfulOutcome == NULLP) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + + e2apMsg->choice.successfulOutcome->procedureCode = ProcedureCodeE2_id_E2removal; + e2apMsg->choice.successfulOutcome->criticality = CriticalityE2_reject; + e2apMsg->choice.successfulOutcome->value.present = SuccessfulOutcomeE2__value_PR_E2RemovalResponse; + e2RemovalResponse = &e2apMsg->choice.successfulOutcome->value.choice.E2RemovalResponse; + + elementCnt = 1; + e2RemovalResponse->protocolIEs.list.count = elementCnt; + e2RemovalResponse->protocolIEs.list.size = elementCnt * sizeof(E2RemovalResponseIEs_t *); + RIC_ALLOC(e2RemovalResponse->protocolIEs.list.array, e2RemovalResponse->protocolIEs.list.size); + if(!e2RemovalResponse->protocolIEs.list.array) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + + for(ieIdx=0; ieIdx < elementCnt; ieIdx++) + { + RIC_ALLOC(e2RemovalResponse->protocolIEs.list.array[ieIdx], sizeof(E2RemovalResponseIEs_t)); + if(!e2RemovalResponse->protocolIEs.list.array[ieIdx]) + { + DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__); + break; + } + } + if(ieIdx < elementCnt) + break; + + ieIdx = 0; + e2RemovalResponse->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID; + e2RemovalResponse->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject; + e2RemovalResponse->protocolIEs.list.array[ieIdx]->value.present = E2RemovalResponseIEs__value_PR_TransactionID; + e2RemovalResponse->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 removal 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 Removal 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 Removal Response"); + break; + } + + ret = ROK; + break; + }while(true); + + FreeE2RemovalResponse(e2apMsg); + deleteE2NodeInfo(duDb); + return ret; +} + +/******************************************************************* + * + * @brief Process Removal req received from RIC + * + * @details + * + * Function : procE2RemovalRequest + * + * Functionality: Process Removal req received from RIC + * + * @param + * DU id + * E2 Removal Request + * @return void + * + ******************************************************************/ + +void procE2RemovalRequest(uint32_t duId, E2RemovalRequest_t *removalReq) +{ + uint8_t arrIdx =0; + uint16_t transId =0; + + DU_LOG("\nINFO --> E2AP : E2 Removal request received"); + + for(arrIdx=0; arrIdxprotocolIEs.list.count; arrIdx++) + { + switch(removalReq->protocolIEs.list.array[arrIdx]->id) + { + case ProtocolIE_IDE2_id_TransactionID: + { + transId = removalReq->protocolIEs.list.array[arrIdx]->value.choice.TransactionID; + break; + } + default: + { + DU_LOG("\nERROR --> E2AP : Invalid IE recevied [%d]", transId); + break; + } + } + } + + if(transId>=0 && transId<=255) + { + if(BuildAndSendRemovalResponse(duId, transId) != ROK) + { + DU_LOG("\nERROR --> E2AP : Failed to build and send Removal response"); + } + } + else + { + if(BuildAndSendRemovalFailure(duId, transId, CauseE2_PR_protocol, CauseE2Protocol_abstract_syntax_error_falsely_constructed_message) != ROK) + { + DU_LOG("\nERROR --> E2AP : Failed to build and send Removal response"); + } + } +} /******************************************************************* * @@ -6202,6 +6582,13 @@ void E2APMsgHdlr(uint32_t *duId, Buffer *mBuf) DU_LOG("\nINFO --> E2AP : Error indication received"); break; } + case InitiatingMessageE2__value_PR_E2RemovalRequest: + { + DU_LOG("\nINFO --> E2AP : E2 Removal request received"); + procE2RemovalRequest(*duId,\ + &e2apMsg->choice.initiatingMessage->value.choice.E2RemovalRequest); + break; + } default: { DU_LOG("\nERROR --> E2AP : Invalid type of intiating message [%d]", \ @@ -6229,7 +6616,7 @@ void E2APMsgHdlr(uint32_t *duId, Buffer *mBuf) } case SuccessfulOutcomeE2__value_PR_E2RemovalResponse: { - ProcRemovalResponse(*duId, &e2apMsg->choice.successfulOutcome->value.choice.E2RemovalResponse); + ProcE2RemovalResponse(*duId, &e2apMsg->choice.successfulOutcome->value.choice.E2RemovalResponse); break; } default: -- 2.16.6