+++ /dev/null
-//
-// Copyright 2019 AT&T Intellectual Property
-// Copyright 2019 Nokia
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-package handlers
-
-// #cgo CFLAGS: -I../asn1codec/inc/ -I../asn1codec/e2ap_engine/
-// #cgo LDFLAGS: -L ../asn1codec/lib/ -L../asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
-// #include <asn1codec_utils.h>
-// #include <x2setup_response_wrapper.h>
-import "C"
-import (
- "e2mgr/logger"
- "fmt"
- "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
-// "github.com/pkg/errors"
- "unsafe"
-)
-
-const (
- maxCellinengNB = 16384
- maxofNRNeighbours = 1024
- maxnoofNrCellBands = 32
-)
-
-func getNRFreqInfo(freqInfo C.NRFreqInfo_t) (*entities.NrFrequencyInfo, error) {
- var info *entities.NrFrequencyInfo
- info = &entities.NrFrequencyInfo{NrArFcn: uint64(freqInfo.nRARFCN)}
-
- if freqInfo.sULInformation != nil {
- info.SulInformation = &entities.NrFrequencyInfo_SulInformation{SulArFcn: uint64((*C.SULInformation_t)(freqInfo.sULInformation).sUL_ARFCN)}
-
- if value, err := getNR_TxBW((*C.SULInformation_t)(freqInfo.sULInformation).sUL_TxBW); err == nil {
- info.SulInformation.SulTransmissionBandwidth = value
- } else {
- return nil, err
- }
- }
-
- if freqInfo.freqBandListNr.list.count > 0 && freqInfo.freqBandListNr.list.count <= maxnoofNrCellBands {
- count := int(freqInfo.freqBandListNr.list.count)
- freqBandListNr_slice := (*[1 << 30]*C.FreqBandNrItem_t)(unsafe.Pointer(freqInfo.freqBandListNr.list.array))[:count:count]
- for _, freqBandNrItem := range freqBandListNr_slice {
- frequencyBand := &entities.FrequencyBandItem{NrFrequencyBand: uint32(freqBandNrItem.freqBandIndicatorNr)}
-
- if freqBandNrItem.supportedSULBandList.list.count > 0 && freqBandNrItem.supportedSULBandList.list.count <= maxnoofNrCellBands {
- count:= int(freqBandNrItem.supportedSULBandList.list.count)
- supportedSULBandList_slice := (*[1 << 30]*C.SupportedSULFreqBandItem_t)(unsafe.Pointer(freqBandNrItem.supportedSULBandList.list.array))[:count:count]
- for _, supportedSULFreqBandItem := range supportedSULBandList_slice {
- frequencyBand.SupportedSulBands = append(frequencyBand.SupportedSulBands, uint32(supportedSULFreqBandItem.freqBandIndicatorNr))
- }
- }
-
- info.FrequencyBands = append(info.FrequencyBands, frequencyBand)
- }
- }
-
- return info, nil
-}
-
-func getNR_TxBW(txBW C.NR_TxBW_t) (*entities.NrTransmissionBandwidth, error) {
- var bw *entities.NrTransmissionBandwidth
-
- bw = &entities.NrTransmissionBandwidth{Nrscs: entities.Nrscs(1 + int64(txBW.nRSCS))}
- bw.Ncnrb = entities.Ncnrb(1 + int64(txBW.nRNRB))
-
- return bw, nil
-}
-
-func getnrModeInfoFDDInfo(fdd *C.FDD_InfoServedNRCell_Information_t) (*entities.ServedNRCellInformation_ChoiceNRMode_FddInfo, error) {
- var fddInfo *entities.ServedNRCellInformation_ChoiceNRMode_FddInfo
-
- if info, err := getNRFreqInfo(fdd.ul_NRFreqInfo); err == nil {
- fddInfo = &entities.ServedNRCellInformation_ChoiceNRMode_FddInfo{UlFreqInfo: info}
- } else {
- return nil, err
- }
-
- if info, err := getNRFreqInfo(fdd.dl_NRFreqInfo); err == nil {
- fddInfo.DlFreqInfo = info
- } else {
- return nil, err
- }
-
- if bw, err := getNR_TxBW(fdd.ul_NR_TxBW); err == nil {
- fddInfo.UlTransmissionBandwidth = bw
- } else {
- return nil, err
- }
-
- if bw, err := getNR_TxBW(fdd.dl_NR_TxBW); err == nil {
- fddInfo.DlTransmissionBandwidth = bw
- } else {
- return nil, err
- }
-
- return fddInfo, nil
-}
-
-func getnrModeInfoTDDInfo(tdd *C.TDD_InfoServedNRCell_Information_t) (*entities.ServedNRCellInformation_ChoiceNRMode_TddInfo, error) {
- var tddInfo *entities.ServedNRCellInformation_ChoiceNRMode_TddInfo
-
- if info, err := getNRFreqInfo(tdd.nRFreqInfo); err == nil {
- tddInfo = &entities.ServedNRCellInformation_ChoiceNRMode_TddInfo{NrFreqInfo: info}
- } else {
- return nil, err
-
- }
-
- if bw, err := getNR_TxBW(tdd.nR_TxBW); err == nil {
- tddInfo.TransmissionBandwidth = bw
- } else {
- return nil, err
- }
-
- return tddInfo, nil
-}
-
-func getNRNeighbourInformation_ChoiceNRMode_FDDInfo(fdd *C.FDD_InfoNeighbourServedNRCell_Information_t) (*entities.NrNeighbourInformation_ChoiceNRMode_FddInfo, error) {
- var fddInfo *entities.NrNeighbourInformation_ChoiceNRMode_FddInfo
-
- if info, err := getNRFreqInfo(fdd.ul_NRFreqInfo); err == nil {
- fddInfo = &entities.NrNeighbourInformation_ChoiceNRMode_FddInfo{UlarFcnFreqInfo: info}
- } else {
- return nil, err
- }
-
- if info, err := getNRFreqInfo(fdd.dl_NRFreqInfo); err == nil {
- fddInfo.DlarFcnFreqInfo = info
- } else {
- return nil, err
- }
-
- return fddInfo, nil
-}
-func getNRNeighbourInformation_ChoiceNRMode_TDDInfo(tdd *C.TDD_InfoNeighbourServedNRCell_Information_t) (*entities.NrNeighbourInformation_ChoiceNRMode_TddInfo, error) {
- var tddInfo *entities.NrNeighbourInformation_ChoiceNRMode_TddInfo
-
- if info, err := getNRFreqInfo(tdd.nRFreqInfo); err == nil {
- tddInfo = &entities.NrNeighbourInformation_ChoiceNRMode_TddInfo{ArFcnNrFreqInfo: info}
- } else {
- return nil, err
- }
-
- return tddInfo, nil
-}
-
-func getnRNeighbourInfo(neighbour_Information *C.NRNeighbour_Information_t) ([]*entities.NrNeighbourInformation, error) {
- var neighbours []*entities.NrNeighbourInformation
-
- if neighbour_Information != nil && neighbour_Information.list.count > 0 && neighbour_Information.list.count <= maxofNRNeighbours {
- count:=int(neighbour_Information.list.count)
- neighbour_Information_slice := (*[1 << 30]*C.NRNeighbour_Information__Member)(unsafe.Pointer(neighbour_Information.list.array))[:count:count]
- for _, member := range neighbour_Information_slice {
- info := &entities.NrNeighbourInformation{NrPci: uint32(member.nrpCI)}
-
- //pLMN_Identity:nRcellIdentifier
- plmnId := C.GoBytes(unsafe.Pointer(member.nrCellID.pLMN_Identity.buf), C.int(member.nrCellID.pLMN_Identity.size))
- nRcellIdentifier := C.GoBytes(unsafe.Pointer(member.nrCellID.nRcellIdentifier.buf), C.int(member.nrCellID.nRcellIdentifier.size))
- info.NrCgi = fmt.Sprintf("%02x:%02x", plmnId, nRcellIdentifier)
-
- if member.fiveGS_TAC != nil {
- info.Stac5G = fmt.Sprintf("%02x", C.GoBytes(unsafe.Pointer(member.fiveGS_TAC.buf), C.int(member.fiveGS_TAC.size)))
-
- }
-
- if member.configured_TAC != nil {
- info.ConfiguredStac = fmt.Sprintf("%02x", C.GoBytes(unsafe.Pointer(member.configured_TAC.buf), C.int(member.configured_TAC.size)))
- }
- switch member.nRNeighbourModeInfo.present {
- case C.NRNeighbour_Information__Member__nRNeighbourModeInfo_PR_fdd:
- if fdd, err := getNRNeighbourInformation_ChoiceNRMode_FDDInfo(*(**C.FDD_InfoNeighbourServedNRCell_Information_t)(unsafe.Pointer(&member.nRNeighbourModeInfo.choice[0]))); fdd != nil && err == nil {
- info.ChoiceNrMode, info.NrMode = &entities.NrNeighbourInformation_ChoiceNRMode{Fdd: fdd}, entities.Nr_FDD
- }
-
- case C.NRNeighbour_Information__Member__nRNeighbourModeInfo_PR_tdd:
- if tdd, err := getNRNeighbourInformation_ChoiceNRMode_TDDInfo(*(**C.TDD_InfoNeighbourServedNRCell_Information_t)(unsafe.Pointer(&member.nRNeighbourModeInfo.choice[0]))); tdd != nil && err == nil {
- info.ChoiceNrMode, info.NrMode = &entities.NrNeighbourInformation_ChoiceNRMode{Tdd: tdd}, entities.Nr_TDD
- }
- }
- neighbours = append(neighbours, info)
- }
-
- }
-
- return neighbours, nil
-}
-
-func getServedNRCells(servedNRcellsManagementList *C.ServedNRcellsENDCX2ManagementList_t) ([]*entities.ServedNRCell, error) {
- var servedNRCells []*entities.ServedNRCell
-
- if servedNRcellsManagementList != nil && servedNRcellsManagementList.list.count > 0 && servedNRcellsManagementList.list.count <= maxCellinengNB {
- count :=int(servedNRcellsManagementList.list.count)
- servedNRcellsENDCX2ManagementList__Member_slice := (*[1 << 30]*C.ServedNRcellsENDCX2ManagementList__Member)(unsafe.Pointer(servedNRcellsManagementList.list.array))[:count:count]
- for _, servedNRcellsENDCX2ManagementList__Member := range servedNRcellsENDCX2ManagementList__Member_slice {
- servedNRCellInfo := servedNRcellsENDCX2ManagementList__Member.servedNRCellInfo
- servedNRCell := &entities.ServedNRCell{ServedNrCellInformation: &entities.ServedNRCellInformation{NrPci: uint32(servedNRCellInfo.nrpCI)}}
-
- //pLMN_Identity:nRcellIdentifier
- plmnId := C.GoBytes(unsafe.Pointer(servedNRCellInfo.nrCellID.pLMN_Identity.buf), C.int(servedNRCellInfo.nrCellID.pLMN_Identity.size))
- nRcellIdentifier := C.GoBytes(unsafe.Pointer(servedNRCellInfo.nrCellID.nRcellIdentifier.buf), C.int(servedNRCellInfo.nrCellID.nRcellIdentifier.size))
- servedNRCell.ServedNrCellInformation.CellId = fmt.Sprintf("%02x:%02x", plmnId, nRcellIdentifier)
-
- if servedNRCellInfo.fiveGS_TAC != nil {
- servedNRCell.ServedNrCellInformation.Stac5G = fmt.Sprintf("%02x", C.GoBytes(unsafe.Pointer(servedNRCellInfo.fiveGS_TAC.buf), C.int(servedNRCellInfo.fiveGS_TAC.size)))
- }
-
- if servedNRCellInfo.configured_TAC != nil {
- servedNRCell.ServedNrCellInformation.ConfiguredStac = fmt.Sprintf("%02x", C.GoBytes(unsafe.Pointer(servedNRCellInfo.configured_TAC.buf), C.int(servedNRCellInfo.configured_TAC.size)))
- }
-
- if servedNRCellInfo.broadcastPLMNs.list.count > 0 && servedNRCellInfo.broadcastPLMNs.list.count <= maxnoofBPLMNs {
- count:=int(servedNRCellInfo.broadcastPLMNs.list.count)
- pLMN_Identity_slice := (*[1 << 30]*C.PLMN_Identity_t)(unsafe.Pointer(servedNRCellInfo.broadcastPLMNs.list.array))[:count:count]
- for _, pLMN_Identity := range pLMN_Identity_slice {
- servedNRCell.ServedNrCellInformation.ServedPlmns = append(servedNRCell.ServedNrCellInformation.ServedPlmns, fmt.Sprintf("%02x", C.GoBytes(unsafe.Pointer(pLMN_Identity.buf), C.int(pLMN_Identity.size))))
- }
- }
- switch servedNRCellInfo.nrModeInfo.present {
- case C.ServedNRCell_Information__nrModeInfo_PR_fdd:
- if fdd, err := getnrModeInfoFDDInfo(*(**C.FDD_InfoServedNRCell_Information_t)(unsafe.Pointer(&servedNRCellInfo.nrModeInfo.choice[0]))); fdd != nil && err == nil {
- servedNRCell.ServedNrCellInformation.ChoiceNrMode, servedNRCell.ServedNrCellInformation.NrMode = &entities.ServedNRCellInformation_ChoiceNRMode{Fdd: fdd}, entities.Nr_FDD
- } else {
- return nil, err
- }
- case C.ServedNRCell_Information__nrModeInfo_PR_tdd:
- if tdd, err := getnrModeInfoTDDInfo(*(**C.TDD_InfoServedNRCell_Information_t)(unsafe.Pointer(&servedNRCellInfo.nrModeInfo.choice[0]))); tdd != nil && err == nil {
- servedNRCell.ServedNrCellInformation.ChoiceNrMode, servedNRCell.ServedNrCellInformation.NrMode = &entities.ServedNRCellInformation_ChoiceNRMode{Tdd: tdd}, entities.Nr_TDD
- } else {
- return nil, err
- }
- }
-
- neighbours, err := getnRNeighbourInfo(servedNRcellsENDCX2ManagementList__Member.nRNeighbourInfo)
- if err != nil {
- return nil, err
- }
- servedNRCell.NrNeighbourInfos = neighbours
-
- servedNRCells = append(servedNRCells, servedNRCell)
- }
- }
-
- return servedNRCells, nil
-}
-
-// Populate the GNB structure with data from the pdu
-// Return the GNB and the associated key which can later be used to retrieve the GNB from the database.
-
-func endcX2SetupResponseToProtobuf(pdu *C.E2AP_PDU_t) (*entities.GlobalNbId, *entities.Gnb, error) {
-
- var gnb *entities.Gnb
- var globalNbId *entities.GlobalNbId
-
- if pdu.present == C.E2AP_PDU_PR_successfulOutcome {
- //dereference a union of pointers (C union is represented as a byte array with the size of the largest member)
- successfulOutcome := *(**C.SuccessfulOutcome_t)(unsafe.Pointer(&pdu.choice[0]))
- if successfulOutcome != nil && successfulOutcome.value.present == C.SuccessfulOutcome__value_PR_ENDCX2SetupResponse {
- endcX2SetupResponse := (*C.ENDCX2SetupResponse_t)(unsafe.Pointer(&successfulOutcome.value.choice[0]))
- if endcX2SetupResponse != nil && endcX2SetupResponse.protocolIEs.list.count > 0 {
- count:=int(endcX2SetupResponse.protocolIEs.list.count)
- endcX2SetupResponse_IEs_slice := (*[1 << 30]*C.ENDCX2SetupResponse_IEs_t)(unsafe.Pointer(endcX2SetupResponse.protocolIEs.list.array))[:count:count]
- for _, endcX2SetupResponse_IE := range endcX2SetupResponse_IEs_slice {
- if endcX2SetupResponse_IE.value.present == C.ENDCX2SetupResponse_IEs__value_PR_RespondingNodeType_EndcX2Setup {
- respondingNodeType := (*C.RespondingNodeType_EndcX2Setup_t)(unsafe.Pointer(&endcX2SetupResponse_IE.value.choice[0]))
- switch respondingNodeType.present {
- case C.RespondingNodeType_EndcX2Setup_PR_respond_en_gNB:
- en_gNB_ENDCX2SetupReqAckIEs_Container := *(**C.ProtocolIE_Container_119P89_t)(unsafe.Pointer(&respondingNodeType.choice[0]))
- if en_gNB_ENDCX2SetupReqAckIEs_Container != nil && en_gNB_ENDCX2SetupReqAckIEs_Container.list.count > 0 {
- count:=int(en_gNB_ENDCX2SetupReqAckIEs_Container.list.count)
- en_gNB_ENDCX2SetupReqAckIEs_slice := (*[1 << 30]*C.En_gNB_ENDCX2SetupReqAckIEs_t)(unsafe.Pointer(en_gNB_ENDCX2SetupReqAckIEs_Container.list.array))[:count:count]
- for _, en_gNB_ENDCX2SetupReqAckIE := range en_gNB_ENDCX2SetupReqAckIEs_slice {
- switch en_gNB_ENDCX2SetupReqAckIE.value.present {
- case C.En_gNB_ENDCX2SetupReqAckIEs__value_PR_GlobalGNB_ID:
- globalGNB_ID := (*C.GlobalGNB_ID_t)(unsafe.Pointer(&en_gNB_ENDCX2SetupReqAckIE.value.choice[0]))
- plmnId := C.GoBytes(unsafe.Pointer(globalGNB_ID.pLMN_Identity.buf), C.int(globalGNB_ID.pLMN_Identity.size))
- if globalGNB_ID.gNB_ID.present == C.GNB_ID_PR_gNB_ID {
- gnbIdAsBitString := (*C.BIT_STRING_t)(unsafe.Pointer(&globalGNB_ID.gNB_ID.choice[0]))
- globalNbId = &entities.GlobalNbId{}
- globalNbId.NbId = fmt.Sprintf("%02x", C.GoBytes(unsafe.Pointer(gnbIdAsBitString.buf), C.int(gnbIdAsBitString.size)))
- globalNbId.PlmnId = fmt.Sprintf("%02x", plmnId)
- }
- case C.En_gNB_ENDCX2SetupReqAckIEs__value_PR_ServedNRcellsENDCX2ManagementList:
- servedCells, err := getServedNRCells((*C.ServedNRcellsENDCX2ManagementList_t)(unsafe.Pointer(&en_gNB_ENDCX2SetupReqAckIE.value.choice[0])))
- if err != nil {
- return globalNbId, nil, err
- }
- gnb = &entities.Gnb{}
- gnb.ServedNrCells = servedCells
- }
- }
- }
- case C.RespondingNodeType_EndcX2Setup_PR_respond_eNB:
- /*ignored*/
- }
- }
- }
- }
- }
- }
-
- return globalNbId, gnb, nil
-}
-
-func unpackEndcX2SetupResponseAndExtract(logger *logger.Logger, allocationBufferSize int, packedBufferSize int, packedBuf []byte, maxMessageBufferSize int) (*entities.GlobalNbId, *entities.Gnb, error) {
- pdu, err := unpackX2apPdu(logger, allocationBufferSize, packedBufferSize, packedBuf, maxMessageBufferSize)
- if err != nil {
- return nil, nil, err
- }
-
- defer C.delete_pdu(pdu)
- return endcX2SetupResponseToProtobuf(pdu)
-}
Code Review / ric-plt / e2mgr.git / blobdiff