#include "du_e2ap_mgr.h"
#include "du_e2ap_msg_hdl.h"
#include "du_cfg.h"
+#include "du_sctp.h"
#include "du_mgr.h"
#include "du_mgr_main.h"
#include "du_utils.h"
*
* ****************************************************************/
-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;
* RFAILED - failure
*
* ****************************************************************/
-uint8_t BuildAndSendRemovalResponse(uint8_t transId)
+uint8_t BuildAndSendRemovalResponse(uint16_t transId)
{
uint8_t ieIdx = 0, elementCnt = 0;
uint8_t ret = RFAILED;
}while(true);
FreeE2RemovalResponse(e2apMsg);
- removeE2NodeInformation();
return ret;
}
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;
break;
}
- //TODO : Send statistics delete request to MAC
+ if(BuildAndSendStatsDeleteReq(ricSubsDb) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send ric subscription delete req to du layers");
+ }
break;
}
/*******************************************************************
*
- * @brief Handles received E2AP message and sends back response
+ * @brief Deallocate the memory allocated for RemovalRequest msg
*
* @details
*
- * Function : E2APMsgHdlr
+ * Function : FreeRemovalRequest
*
* Functionality:
- * - Decodes received E2AP control message
- * - Prepares response message, encodes and sends to SCTP
+ * - freeing the memory allocated for RemovalRequest
*
- * @params[in]
+ * @params[in] E2AP_PDU_t *e2apMsg
* @return ROK - success
* RFAILED - failure
*
* ****************************************************************/
-void E2APMsgHdlr(Buffer *mBuf)
+void FreeRemovalRequest(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} ;
-
- 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);
+ uint8_t ieIdx =0;
+ E2RemovalRequest_t *removalReq = NULLP;
- if(recvBuf == NULLP)
+ if(e2apMsg != NULLP)
{
- DU_LOG("\nERROR --> E2AP : Memory allocation failed");
- return;
+ 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));
}
- if(ODU_COPY_MSG_TO_FIX_BUF(mBuf, 0, recvBufLen, (Data *)recvBuf, ©Cnt) != ROK)
+}
+
+/*******************************************************************
+ *
+ * @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_LOG("\nERROR --> E2AP : Failed while copying %d", copyCnt);
- return;
- }
+ 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
- printf("\nDEBUG --> E2AP : Received flat buffer to be decoded : ");
- for(i=0; i< recvBufLen; i++)
+ 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)
{
- printf("%x",recvBuf[i]);
+ if(removalFailure->protocolIEs.list.array)
+ {
+ for(arrIdx=0; arrIdx<removalFailure->protocolIEs.list.count; arrIdx++)
+ {
+ if(removalFailure->protocolIEs.list.array[arrIdx])
+ {
+ free(removalFailure->protocolIEs.list.array[arrIdx]);
+ }
+ }
+ free(removalFailure->protocolIEs.list.array);
+ }
}
-#endif
+}
- /* Decoding flat buffer into E2AP messsage */
- e2apMsg = &e2apasnmsg;
- memset(e2apMsg, 0, sizeof(E2AP_PDU_t));
+/******************************************************************
+ *
+ * @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;
- rval = aper_decode(0, &asn_DEF_E2AP_PDU, (void **)&e2apMsg, recvBuf, recvBufLen, 0, 0);
- DU_FREE(recvBuf, (Size)recvBufLen);
+ e2RemovalFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2RemovalFailure;
- if(rval.code == RC_FAIL || rval.code == RC_WMORE)
+ if(!e2RemovalFailure->protocolIEs.list.array)
{
- DU_LOG("\nERROR --> E2AP : ASN decode failed");
+ DU_LOG("\nERROR --> E2AP : e2RemovalFailure array pointer is null");
return;
}
- printf("\n");
- xer_fprint(stdout, &asn_DEF_E2AP_PDU, e2apMsg);
-
- switch(e2apMsg->present)
+
+ for(ieIdx=0; ieIdx < e2RemovalFailure->protocolIEs.list.count; ieIdx++)
{
- case E2AP_PDU_PR_unsuccessfulOutcome:
+ if(e2RemovalFailure->protocolIEs.list.array[ieIdx])
+ {
+ switch(e2RemovalFailure->protocolIEs.list.array[ieIdx]->id)
{
- switch(e2apMsg->choice.unsuccessfulOutcome->value.present)
- {
- case UnsuccessfulOutcomeE2__value_PR_E2setupFailure:
- {
- procE2SetupFailure(e2apMsg);
- break;
- }
- case UnsuccessfulOutcomeE2__value_PR_E2nodeConfigurationUpdateFailure:
+ 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))
{
- procE2NodeConfigUpdateFailure(e2apMsg);
- break;
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
}
- case UnsuccessfulOutcomeE2__value_PR_RICserviceUpdateFailure:
+ else
{
- procRicServiceUpdateFailure(e2apMsg);
- break;
+ DU_LOG("\nERROR --> E2AP : Invalid transaction id [%d]", transId);
}
- case UnsuccessfulOutcomeE2__value_PR_RICsubscriptionModificationRefuse:
+ 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; arrIdx<removalResponse->protocolIEs.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))
{
- procRicSubscriptionModificationRefuse(e2apMsg);
- break;
+ DU_LOG("\nINFO --> E2AP : Sending request to close the sctp connection");
+ cmInetClose(&ricParams.sockFd);
+ memset(&duCb.e2apDb.e2TransInfo.e2InitTransaction[transId], 0, sizeof(E2TransInfo));
+ removeE2NodeInformation();
}
- default:
+ else
{
- DU_LOG("\nERROR --> E2AP : Invalid type of E2AP_PDU_PR_unsuccessfulOutcome [%d]",\
- e2apMsg->choice.unsuccessfulOutcome->value.present);
- return;
+ 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 Deallocate the memory allocated for E2 Connection Update Failure
+ *
+ * @details
+ *
+ * Function : FreeE2ConnectionUpdateFailure
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2ConnectionUpdateFailure
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeE2ConnectionUpdateFailure(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0;
+ E2connectionUpdateFailure_t *e2ConnectionUpdateFailure=NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.unsuccessfulOutcome != NULLP)
+ {
+ e2ConnectionUpdateFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2connectionUpdateFailure;
+ if(e2ConnectionUpdateFailure->protocolIEs.list.array)
+ {
+ for(ieIdx=0; ieIdx < e2ConnectionUpdateFailure->protocolIEs.list.count; ieIdx++)
+ {
+ DU_FREE(e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdateFailure_IEs_t));
+ }
+ DU_FREE(e2ConnectionUpdateFailure->protocolIEs.list.array, e2ConnectionUpdateFailure->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.unsuccessfulOutcome, sizeof(UnsuccessfulOutcomeE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 Connection Update Failure msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2ConnectionUpdateFailure
+ *
+ * Functionality:
+ * - Buld and send the E2 Connection Update Failure Message
+ * @params[in]
+ * Trans Id
+ * Failure Cause
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendE2ConnectionUpdateFailure(uint16_t transId, E2FailureCause failureCause)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ E2connectionUpdateFailure_t *e2ConnectionUpdateFailure=NULLP;
+ asn_enc_rval_t encRetVal; /* Encoder return value */
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Connection Update Failure Message\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_unsuccessfulOutcome;
+
+ DU_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_E2connectionUpdate;
+ e2apMsg->choice.unsuccessfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.unsuccessfulOutcome->value.present = UnsuccessfulOutcomeE2__value_PR_E2connectionUpdateFailure;
+ e2ConnectionUpdateFailure = &e2apMsg->choice.unsuccessfulOutcome->value.choice.E2connectionUpdateFailure;
+
+ elementCnt = 2;
+ e2ConnectionUpdateFailure->protocolIEs.list.count = elementCnt;
+ e2ConnectionUpdateFailure->protocolIEs.list.size = elementCnt * sizeof(E2connectionUpdateFailure_IEs_t *);
+ DU_ALLOC(e2ConnectionUpdateFailure->protocolIEs.list.array, e2ConnectionUpdateFailure->protocolIEs.list.size);
+ if(!e2ConnectionUpdateFailure->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(e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdateFailure_IEs_t));
+ if(!e2ConnectionUpdateFailure->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;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateFailure_IEs__value_PR_TransactionID;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ /* Cause */
+ ieIdx++;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_CauseE2;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_ignore;
+ e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateFailure_IEs__value_PR_CauseE2;
+ fillE2Cause(&e2ConnectionUpdateFailure->protocolIEs.list.array[ieIdx]->value.choice.CauseE2, failureCause);
+
+ 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 connection update 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 Connection Update Failure \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 Connection Update Failure");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2ConnectionUpdateFailure(e2apMsg);
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief fill E2 connection update item
+ *
+ * @details
+ *
+ * Function : fillE2connectionUpdateItem
+ *
+ * Functionality: fill E2 connection update item
+ *
+ * @params[in]
+ * E2connectionUpdate Item to be filled
+ * Protocol Id
+ * IP Address
+ * Usage
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t fillE2connectionUpdateItem(PTR connectionInfo, uint8_t protocolId, uint32_t ipAddress, AssocUsage usage)
+{
+ CauseE2_t *cause=NULLP;
+ TNLusage_t *tnlUsage=NULLP;
+ E2FailureCause failureCause;
+ TNLinformation_t *tnlInformation = NULLP;
+ E2connectionUpdate_Item_t *connectionModifyItem=NULLP;
+ E2connectionSetupFailed_Item_t *connectionRemoveITem=NULLP;
+
+ switch(protocolId)
+ {
+ case ProtocolIE_IDE2_id_E2connectionUpdate_Item:
+ {
+ connectionModifyItem = (E2connectionUpdate_Item_t*)connectionInfo;
+ tnlInformation = &connectionModifyItem->tnlInformation;
+ tnlUsage = &connectionModifyItem->tnlUsage;
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2connectionSetupFailed_Item:
+ {
+ connectionRemoveITem = (E2connectionSetupFailed_Item_t*)connectionInfo;
+ tnlInformation= &connectionRemoveITem->tnlInformation;
+ cause = &connectionRemoveITem->cause;
+ break;
+ }
+ default:
+ return RFAILED;
+ }
+
+ tnlInformation->tnlAddress.size = 4*sizeof(uint8_t);
+ DU_ALLOC(tnlInformation->tnlAddress.buf, tnlInformation->tnlAddress.size);
+ if(!tnlInformation->tnlAddress.buf)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+
+ tnlInformation->tnlAddress.buf[3] = ipAddress & 0xFF;
+ tnlInformation->tnlAddress.buf[2] = (ipAddress>> 8) & 0xFF;
+ tnlInformation->tnlAddress.buf[1] = (ipAddress>> 16) & 0xFF;
+ tnlInformation->tnlAddress.buf[0] = (ipAddress>> 24) & 0xFF;
+ tnlInformation->tnlAddress.bits_unused = 0;
+
+ switch(protocolId)
+ {
+ case ProtocolIE_IDE2_id_E2connectionUpdate_Item:
+ {
+ *tnlUsage = usage;
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2connectionSetupFailed_Item:
+ {
+ failureCause.causeType = E2_TRANSPORT;
+ failureCause.cause = E2_TRANSPORT_CAUSE_UNSPECIFIED;
+ fillE2Cause(cause, failureCause);
+ break;
+ }
+ default:
+ return RFAILED;
+ }
+ return ROK;
+}
+
+
+/*******************************************************************
+ *
+ * @brief Build E2 connection modification list
+ *
+ * @details
+ *
+ * Function :BuildE2ConnectionUpdateList
+ *
+ * Functionality: Build E2 connection modification list
+ *
+ * @params[in]
+ * E2 connection update list to be filled
+ * Count of E2 connection to be added in the list
+ * Received list of E2 connection
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t BuildE2ConnectionUpdateList(E2connectionUpdate_List_t *connectionSetupList, uint8_t count, E2ConnectionItem *tmpConnectionList)
+{
+ uint8_t arrIdx = 0;
+ E2connectionUpdate_ItemIEs_t *connectionSetupItem=NULLP;
+
+ connectionSetupList->list.count = count;
+
+ connectionSetupList->list.size = connectionSetupList->list.count*sizeof(E2connectionUpdate_ItemIEs_t*);
+ DU_ALLOC(connectionSetupList->list.array, connectionSetupList->list.size);
+ if(connectionSetupList->list.array)
+ {
+ for(arrIdx = 0; arrIdx< connectionSetupList->list.count; arrIdx++)
+ {
+ DU_ALLOC(connectionSetupList->list.array[arrIdx], sizeof(E2connectionUpdate_ItemIEs_t));
+ if(connectionSetupList->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ connectionSetupItem = (E2connectionUpdate_ItemIEs_t*)connectionSetupList->list.array[arrIdx];
+ connectionSetupItem->id = ProtocolIE_IDE2_id_E2connectionUpdate_Item;
+ connectionSetupItem->criticality= CriticalityE2_ignore;
+ connectionSetupItem->value.present = E2connectionUpdate_ItemIEs__value_PR_E2connectionUpdate_Item;
+ if(fillE2connectionUpdateItem((PTR)&connectionSetupItem->value.choice.E2connectionUpdate_Item, ProtocolIE_IDE2_id_E2connectionUpdate_Item,\
+ tmpConnectionList[arrIdx].ipV4Addr, tmpConnectionList[arrIdx].usage) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill E2 connection update item");
+ return RFAILED;
+ }
+
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Build E2 connection setup failed list
+ *
+ * @details
+ *
+ * Function : BuildE2ConnectionSetupFailedList
+ *
+ * Functionality: Build E2 connection setup failed list
+ *
+ * @params[in]
+ * E2 connection setup failed list to be filled
+ * Count of E2 connection to be added in the list
+ * Received list of E2 connection
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+
+uint8_t BuildE2ConnectionSetupFailedList(E2connectionSetupFailed_List_t *setupFailedList, uint8_t count, E2ConnectionItem *tmpConnectionList)
+{
+ uint8_t arrIdx = 0;
+ E2connectionSetupFailed_ItemIEs_t *setupFailedItem=NULLP;
+
+ setupFailedList->list.count = 1;
+
+ setupFailedList->list.size = setupFailedList->list.count*sizeof(E2connectionSetupFailed_ItemIEs_t *);
+ DU_ALLOC(setupFailedList->list.array, setupFailedList->list.size);
+ if(setupFailedList->list.array)
+ {
+ for(arrIdx = 0; arrIdx< setupFailedList->list.count; arrIdx++)
+ {
+ DU_ALLOC(setupFailedList->list.array[arrIdx], sizeof(E2connectionSetupFailed_ItemIEs_t));
+ if(setupFailedList->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ setupFailedItem = (E2connectionSetupFailed_ItemIEs_t*)setupFailedList->list.array[arrIdx];
+ setupFailedItem->id = ProtocolIE_IDE2_id_E2connectionSetupFailed_Item;
+ setupFailedItem->criticality= CriticalityE2_ignore;
+ setupFailedItem->value.present = E2connectionSetupFailed_ItemIEs__value_PR_E2connectionSetupFailed_Item;
+ if(fillE2connectionUpdateItem((PTR)&setupFailedItem->value.choice.E2connectionSetupFailed_Item, ProtocolIE_IDE2_id_E2connectionSetupFailed_Item,\
+ tmpConnectionList[arrIdx].ipV4Addr, tmpConnectionList[arrIdx].usage) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to fill E2 connection failed to update item");
+ return RFAILED;
+ }
+
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> E2AP : Memory allocation failed in %s at line %d", __func__, __LINE__);
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Deallocate the memory allocated for E2 Connection
+ * Update ack msg
+ *
+ * @details
+ *
+ * Function :FreeE2ConnectionUpdateAcknowledge
+ *
+ * Functionality:
+ * - freeing the memory allocated for E2 Connection
+ * Update ack msg
+ *
+ * @params[in] E2AP_PDU_t *e2apMsg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+void FreeE2ConnectionUpdateAcknowledge(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t ieIdx =0, arrIdx=0;
+ E2connectionUpdateAcknowledge_t *connectionUpdate = NULLP;
+ E2connectionUpdate_List_t *connectionSetupList = NULLP;
+ E2connectionSetupFailed_List_t *setupFailedList = NULLP;
+
+ if(e2apMsg != NULLP)
+ {
+ if(e2apMsg->choice.successfulOutcome != NULLP)
+ {
+ connectionUpdate = &e2apMsg->choice.successfulOutcome->value.choice.E2connectionUpdateAcknowledge;
+ if(connectionUpdate->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < connectionUpdate->protocolIEs.list.count; ieIdx++)
+ {
+ if(connectionUpdate->protocolIEs.list.array[ieIdx])
+ {
+ switch(connectionUpdate->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_E2connectionSetup:
+ {
+ connectionSetupList = &connectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdate_List;
+ if(connectionSetupList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < connectionSetupList->list.count; arrIdx++)
+ {
+ DU_FREE(connectionSetupList->list.array[arrIdx], sizeof(E2connectionUpdate_ItemIEs_t));
+ }
+ DU_FREE(connectionSetupList->list.array, connectionSetupList->list.size);
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2connectionSetupFailed:
+ {
+ setupFailedList = &connectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionSetupFailed_List;
+ if(setupFailedList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < setupFailedList->list.count; arrIdx++)
+ {
+ DU_FREE(setupFailedList->list.array[arrIdx], sizeof(E2connectionSetupFailed_ItemIEs_t));
+ }
+ DU_FREE(setupFailedList->list.array, setupFailedList->list.size);
+ }
+ break;
+ }
+ }
+ DU_FREE(connectionUpdate->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdateAck_IEs_t));
+ }
+ }
+ DU_FREE(connectionUpdate->protocolIEs.list.array, connectionUpdate->protocolIEs.list.size);
+ }
+ DU_FREE(e2apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcomeE2_t));
+ }
+ DU_FREE(e2apMsg, sizeof(E2AP_PDU_t));
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Buld and send the E2 Connection Update Acknowledge msg
+ *
+ * @details
+ *
+ * Function : BuildAndSendE2ConnectionUpdateAcknowledge
+ *
+ * Functionality:
+ * - Buld and send the E2 Connection Update Acknowledge Message
+ * @params[in]
+ * Trans Id
+ * List of E2 connection needs to fill in IE
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendE2ConnectionUpdateAcknowledge(uint16_t transId, E2ConnectionList connectionInfoList)
+{
+ uint8_t ieIdx = 0, elementCnt = 0;
+ uint8_t ret = RFAILED;
+ E2AP_PDU_t *e2apMsg = NULLP;
+ asn_enc_rval_t encRetVal;
+ E2connectionUpdateAcknowledge_t *e2ConnectionUpdateAcknowledge=NULLP;
+
+ DU_LOG("\nINFO --> E2AP : Building E2 Connection Update Acknowledge Message\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_successfulOutcome;
+
+ DU_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_E2connectionUpdate;
+ e2apMsg->choice.successfulOutcome->criticality = CriticalityE2_reject;
+ e2apMsg->choice.successfulOutcome->value.present = SuccessfulOutcomeE2__value_PR_E2connectionUpdateAcknowledge;
+ e2ConnectionUpdateAcknowledge = &e2apMsg->choice.successfulOutcome->value.choice.E2connectionUpdateAcknowledge;
+
+ elementCnt = 1;
+ if(connectionInfoList.numOfE2ConnectionSetup)
+ elementCnt++;
+ if(connectionInfoList.numOfE2ConnectionFailedToSetup)
+ elementCnt++;
+
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.count = elementCnt;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.size = elementCnt * sizeof(E2connectionUpdateAck_IEs_t*);
+ DU_ALLOC(e2ConnectionUpdateAcknowledge->protocolIEs.list.array, e2ConnectionUpdateAcknowledge->protocolIEs.list.size);
+ if(!e2ConnectionUpdateAcknowledge->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(e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx], sizeof(E2connectionUpdateAck_IEs_t));
+ if(!e2ConnectionUpdateAcknowledge->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;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_TransactionID;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateAck_IEs__value_PR_TransactionID;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.choice.TransactionID = transId;
+
+ if(connectionInfoList.numOfE2ConnectionSetup)
+ {
+ ieIdx++;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_E2connectionSetup;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateAck_IEs__value_PR_E2connectionUpdate_List;
+ if(BuildE2ConnectionUpdateList(&e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdate_List, \
+ connectionInfoList.numOfE2ConnectionSetup, connectionInfoList.setupE2Connection) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Connection setup list");
+ break;
+ }
+ }
+
+ if(connectionInfoList.numOfE2ConnectionFailedToSetup)
+ {
+ ieIdx++;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->id = ProtocolIE_IDE2_id_E2connectionSetupFailed;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->criticality = CriticalityE2_reject;
+ e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.present = E2connectionUpdateAck_IEs__value_PR_E2connectionSetupFailed_List;
+ if(BuildE2ConnectionSetupFailedList(&e2ConnectionUpdateAcknowledge->protocolIEs.list.array[ieIdx]->value.choice.E2connectionSetupFailed_List, \
+ connectionInfoList.numOfE2ConnectionFailedToSetup, connectionInfoList.failedToSetupE2Connection) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to send E2 Connection failed to setup 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);
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> E2AP : Could not encode E2 connection update acknowledge 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 Connection Update Acknowledge \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 Connection Update Acknowledge");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeE2ConnectionUpdateAcknowledge(e2apMsg);
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Deallocation of memory allocated by aper decoder for
+ * E2 Connection Update
+ *
+ * @details
+ *
+ * Function :freeAperDecodingOfE2ConnectionUpdate
+ *
+ * Functionality: Deallocation of memory allocated by aper decoder for
+ * E2 Connection Update
+ *
+ * @params[in] Pointer to connectionUpdate
+ * @return void
+ *
+ * ****************************************************************/
+
+void freeAperDecodingOfE2ConnectionUpdate(E2connectionUpdate_t *connectionUpdate)
+{
+ uint8_t ieIdx =0, arrIdx=0;
+ E2connectionUpdate_List_t *connectionToBeModifyList = NULLP;
+ E2connectionUpdateRemove_List_t *connectionToBeRemoveList = NULLP;
+
+ if(connectionUpdate->protocolIEs.list.array)
+ {
+ for(ieIdx = 0; ieIdx < connectionUpdate->protocolIEs.list.count; ieIdx++)
+ {
+ if(connectionUpdate->protocolIEs.list.array[ieIdx])
+ {
+ switch(connectionUpdate->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ break;
+
+ case ProtocolIE_IDE2_id_E2connectionUpdateModify:
+ {
+ connectionToBeModifyList = &connectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdate_List;
+ if(connectionToBeModifyList->list.array)
+ {
+ for(arrIdx= 0; arrIdx< connectionToBeModifyList->list.count; arrIdx++)
+ {
+ free(connectionToBeModifyList->list.array[arrIdx]);
+ }
+ free(connectionToBeModifyList->list.array);
+ }
+ break;
+ }
+ case ProtocolIE_IDE2_id_E2connectionUpdateRemove:
+ {
+ connectionToBeRemoveList = &connectionUpdate->protocolIEs.list.array[ieIdx]->value.choice.E2connectionUpdateRemove_List;
+ if(connectionToBeRemoveList->list.array)
+ {
+ for(arrIdx= 0; arrIdx< connectionToBeRemoveList->list.count; arrIdx++)
+ {
+ free(connectionToBeRemoveList->list.array[arrIdx]);
+ }
+ free(connectionToBeRemoveList->list.array);
+ }
+ break;
+ }
+ }
+ free(connectionUpdate->protocolIEs.list.array[ieIdx]);
+ }
+ }
+ free(connectionUpdate->protocolIEs.list.array);
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Handling of E2 connection modification Ie
+ *
+ * @details
+ *
+ * Function : handleE2ConnectionModification
+ *
+ * Functionality: Handling of E2 connection modification Ie
+ *
+ * @param
+ * E2 Connection update list
+ * E2 connection list which needs to be filled
+ * @return void
+ *
+ ******************************************************************/
+
+void handleE2ConnectionModification(E2connectionUpdate_List_t *connectionUpdateList, E2ConnectionList *connectionInfoList)
+{
+ uint32_t ipAddress=0;
+ bool infoFound = false;
+ uint8_t arrIdx=0,idx=0, count =0;
+ E2connectionUpdate_ItemIEs_t *connectionModifyItem=NULLP;
+
+ if(connectionUpdateList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < connectionUpdateList->list.count; arrIdx++)
+ {
+ connectionModifyItem= (E2connectionUpdate_ItemIEs_t*)connectionUpdateList->list.array[arrIdx];
+ bitStringToInt(&connectionModifyItem->value.choice.E2connectionUpdate_Item.tnlInformation.tnlAddress, &ipAddress);
+ for(idx=0; idx<duCb.e2apDb.numOfTNLAssoc; idx++)
+ {
+ /* If the TNL information is found in the data base, update the
+ * information in the database */
+ if(duCb.e2apDb.tnlAssoc[idx].destIpAddress.ipV4Addr == ipAddress)
+ {
+ duCb.e2apDb.tnlAssoc[idx].usage = connectionModifyItem->value.choice.E2connectionUpdate_Item.tnlUsage;
+ infoFound = true;
+ break;
+ }
+ }
+
+ /* If the TNL information is found in the data base, then add the
+ * information in setupE2Connection array else add in failedToSetupE2Connection array */
+ if(infoFound == true)
+ {
+ count =connectionInfoList->numOfE2ConnectionSetup;
+ connectionInfoList->setupE2Connection[count].ipV4Addr = duCb.e2apDb.tnlAssoc[idx].destIpAddress.ipV4Addr;
+ connectionInfoList->setupE2Connection[count].usage = duCb.e2apDb.tnlAssoc[idx].usage;
+ connectionInfoList->numOfE2ConnectionSetup++;
+ }
+ else
+ {
+ count = connectionInfoList->numOfE2ConnectionFailedToSetup;
+ connectionInfoList->failedToSetupE2Connection[count].ipV4Addr = ipAddress;
+ connectionInfoList->failedToSetupE2Connection[count].usage = connectionModifyItem->value.choice.E2connectionUpdate_Item.tnlUsage;
+ connectionInfoList->numOfE2ConnectionFailedToSetup++;
+ }
+ }
+
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Handling of E2 connection removal Ie
+ *
+ * @details
+ *
+ * Function : handleE2ConnectionRemoval
+ *
+ * Functionality: Handling of E2 connection removal Ie
+ *
+ * @param
+ * E2 Connection removal List
+ * @return void
+ *
+ ******************************************************************/
+
+void handleE2ConnectionRemoval(E2connectionUpdateRemove_List_t *connectionRemovalList)
+{
+ uint32_t ipAddress=0;
+ uint8_t arrIdx=0,idx=0;
+ E2connectionUpdateRemove_ItemIEs_t *connectionRemovalItem=NULLP;
+
+ if(connectionRemovalList->list.array)
+ {
+ for(arrIdx = 0; arrIdx < connectionRemovalList->list.count; arrIdx++)
+ {
+ connectionRemovalItem= (E2connectionUpdateRemove_ItemIEs_t*)connectionRemovalList->list.array[arrIdx];
+ bitStringToInt(&connectionRemovalItem->value.choice.E2connectionUpdateRemove_Item.tnlInformation.tnlAddress, &ipAddress);
+ for(idx=0; idx<duCb.e2apDb.numOfTNLAssoc; idx++)
+ {
+ if(duCb.e2apDb.tnlAssoc[idx].destIpAddress.ipV4Addr == ipAddress)
+ {
+ cmInetClose(&ricParams.sockFd);
+ removeE2NodeInformation();
+ break;
+ }
+ }
+
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Process e2 connection update received from RIC
+ *
+ * @details
+ *
+ * Function : procE2ConnectionUpdate
+ *
+ * Functionality: Process e2 connection update received from RIC
+ *
+ * @param E2AP_PDU_t *e2apMsg
+ * @return void
+ *
+ ******************************************************************/
+
+void procE2ConnectionUpdate(E2AP_PDU_t *e2apMsg)
+{
+ uint8_t arrIdx =0, transId =0;
+ bool invalidTransId = false, connectionFailedToUpdate=false;
+ E2FailureCause failureCause;
+ E2ConnectionList connectionInfoList;
+ E2connectionUpdate_t *connectionUpdate=NULLP;
+
+ DU_LOG("\nINFO --> E2AP : E2 connection update received");
+ connectionUpdate = &e2apMsg->choice.initiatingMessage->value.choice.E2connectionUpdate;
+
+ memset(&connectionInfoList, 0, sizeof(E2ConnectionList));
+ for(arrIdx=0; arrIdx<connectionUpdate->protocolIEs.list.count; arrIdx++)
+ {
+ switch(connectionUpdate->protocolIEs.list.array[arrIdx]->id)
+ {
+ case ProtocolIE_IDE2_id_TransactionID:
+ {
+ transId = connectionUpdate->protocolIEs.list.array[arrIdx]->value.choice.TransactionID;
+ if(transId>255)
+ {
+ failureCause.causeType = E2_PROTOCOL;
+ failureCause.cause = E2_ABSTRACT_SYNTAX_ERROR_FALSELY_CONSTRUCTED_MESSAGE;
+ invalidTransId = true;
+ }
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2connectionUpdateModify:
+ {
+ handleE2ConnectionModification(&connectionUpdate->protocolIEs.list.array[arrIdx]->value.choice.E2connectionUpdate_List,\
+ &connectionInfoList);
+ if((connectionInfoList.numOfE2ConnectionSetup == 0) && (connectionInfoList.numOfE2ConnectionFailedToSetup > 0))
+ {
+ failureCause.causeType = E2_TRANSPORT;
+ failureCause.cause = E2_TRANSPORT_CAUSE_UNSPECIFIED;
+ connectionFailedToUpdate =true;
+ }
+
+ break;
+ }
+
+ case ProtocolIE_IDE2_id_E2connectionUpdateRemove:
+ {
+ handleE2ConnectionRemoval(&connectionUpdate->protocolIEs.list.array[arrIdx]->value.choice.E2connectionUpdateRemove_List);
+ break;
+ }
+
+ default:
+ {
+ DU_LOG("\nERROR --> E2AP : Invalid IE received[%ld]",connectionUpdate->protocolIEs.list.array[arrIdx]->id);
+ break;
+ }
+ }
+
+ if(invalidTransId == true || connectionFailedToUpdate ==true)
+ break;
+ }
+
+ if(invalidTransId == true || connectionFailedToUpdate == true)
+ {
+ if(BuildAndSendE2ConnectionUpdateFailure(transId, failureCause) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send E2 connection update failure");
+ }
+ }
+ else
+ {
+ if(BuildAndSendE2ConnectionUpdateAcknowledge(transId, connectionInfoList) != ROK)
+ {
+ DU_LOG("\nERROR --> E2AP : Failed to build and send E2 connection update ack");
+ }
+ }
+
+ freeAperDecodingOfE2ConnectionUpdate(connectionUpdate);
+}
+
+/*******************************************************************
+ *
+ * @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;
+ }
+ case UnsuccessfulOutcomeE2__value_PR_E2RemovalFailure:
+ {
+ ProcE2RemovalFailure(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;
}
procE2NodeConfigUpdateAck(e2apMsg);
break;
}
+ case SuccessfulOutcomeE2__value_PR_E2RemovalResponse:
+ {
+ ProcE2RemovalResponse(e2apMsg);
+ break;
+ }
default:
{
DU_LOG("\nERROR --> E2AP : Invalid type of E2AP_PDU_PR_successfulOutcome [%d]",\
procE2RemovalRequest(e2apMsg);
break;
}
+ case InitiatingMessageE2__value_PR_E2connectionUpdate:
+ {
+ DU_LOG("\nINFO --> E2AP : E2 coneection update received");
+ procE2ConnectionUpdate(e2apMsg);
+ break;
+ }
default:
{
DU_LOG("\nERROR --> E2AP : Invalid type of E2AP_PDU_PR_initiatingMessage [%d]",\
Code Review / o-du / l2.git / blobdiff