2 // Copyright 2019 AT&T Intellectual Property
3 // Copyright 2019 Nokia
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
20 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
21 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
22 "github.com/golang/protobuf/proto"
26 type rNibReaderInstance struct {
27 sdl common.ISdlInstance
31 RNibReader interface allows retrieving data from redis BD by various keys
33 type RNibReader interface {
34 // GetNodeb retrieves responding nodeb entity from redis DB by nodeb inventory name
35 GetNodeb(inventoryName string) (*entities.NodebInfo, error)
36 // GetNodebByGlobalNbId retrieves responding nodeb entity from redis DB by nodeb global Id
37 GetNodebByGlobalNbId(nodeType entities.Node_Type, globalNbId *entities.GlobalNbId) (*entities.NodebInfo, error)
38 // GetCellList retrieves the list of cell entities belonging to responding nodeb entity from redis DB by nodeb inventory name
39 GetCellList(inventoryName string) (*entities.Cells, error)
40 // GetListGnbIds retrieves the list of gNodeb identity entities
41 GetListGnbIds() ([]*entities.NbIdentity, error)
42 // GetListEnbIds retrieves the list of eNodeb identity entities
43 GetListEnbIds() ([]*entities.NbIdentity, error)
44 // Close closes reader's pool
45 GetCountGnbList() (int, error)
46 // GetCell retrieves the cell entity belonging to responding nodeb from redis DB by nodeb inventory name and cell pci
47 GetCell(inventoryName string, pci uint32) (*entities.Cell, error)
48 // GetCellById retrieves the cell entity from redis DB by cell type and cell Id
49 GetCellById(cellType entities.Cell_Type, cellId string) (*entities.Cell, error)
50 // GetListNodebIds returns the full list of Nodeb identity entities
51 GetListNodebIds() ([]*entities.NbIdentity, error)
52 // GetRanLoadInformation retrieves nodeb load information entity from redis DB by nodeb inventory name
53 GetRanLoadInformation(inventoryName string) (*entities.RanLoadInformation, error)
57 GetRNibReader returns reference to RNibReader
59 func GetRNibReader(sdl common.ISdlInstance) RNibReader {
60 return &rNibReaderInstance{sdl: sdl}
63 func (w *rNibReaderInstance) GetNodeb(inventoryName string) (*entities.NodebInfo, error) {
64 key, rNibErr := common.ValidateAndBuildNodeBNameKey(inventoryName)
68 nbInfo := &entities.NodebInfo{}
69 err := w.getByKeyAndUnmarshal(key, nbInfo)
76 func (w *rNibReaderInstance) GetNodebByGlobalNbId(nodeType entities.Node_Type, globalNbId *entities.GlobalNbId) (*entities.NodebInfo, error) {
77 key, rNibErr := common.ValidateAndBuildNodeBIdKey(nodeType.String(), globalNbId.GetPlmnId(), globalNbId.GetNbId())
81 nbInfo := &entities.NodebInfo{}
82 err := w.getByKeyAndUnmarshal(key, nbInfo)
89 func (w *rNibReaderInstance) GetCellList(inventoryName string) (*entities.Cells, error) {
90 cells := &entities.Cells{}
91 nb, err := w.GetNodeb(inventoryName)
95 if nb.GetEnb() != nil && len(nb.GetEnb().GetServedCells()) > 0 {
96 cells.Type = entities.Cell_LTE_CELL
97 cells.List = &entities.Cells_ServedCellInfos{ServedCellInfos: &entities.ServedCellInfoList{ServedCells: nb.GetEnb().GetServedCells()}}
100 if nb.GetGnb() != nil && len(nb.GetGnb().GetServedNrCells()) > 0 {
101 cells.Type = entities.Cell_NR_CELL
102 cells.List = &entities.Cells_ServedNrCells{ServedNrCells: &entities.ServedNRCellList{ServedCells: nb.GetGnb().GetServedNrCells()}}
105 return nil, common.NewResourceNotFoundErrorf("#rNibReader.GetCellList - served cells not found. Responding node RAN name: %s.", inventoryName)
108 func (w *rNibReaderInstance) GetListGnbIds() ([]*entities.NbIdentity, error) {
109 return w.getListNodebIdsByType(entities.Node_GNB.String())
112 func (w *rNibReaderInstance) GetListEnbIds() ([]*entities.NbIdentity, error) {
113 return w.getListNodebIdsByType(entities.Node_ENB.String())
116 func (w *rNibReaderInstance) GetCountGnbList() (int, error) {
117 size, err := w.sdl.GroupSize(entities.Node_GNB.String())
119 return 0, common.NewInternalError(err)
121 return int(size), nil
124 func (w *rNibReaderInstance) GetCell(inventoryName string, pci uint32) (*entities.Cell, error) {
125 key, rNibErr := common.ValidateAndBuildCellNamePciKey(inventoryName, pci)
129 cell := &entities.Cell{}
130 err := w.getByKeyAndUnmarshal(key, cell)
137 func (w *rNibReaderInstance) GetCellById(cellType entities.Cell_Type, cellId string) (*entities.Cell, error) {
140 if cellType == entities.Cell_LTE_CELL {
141 key, rNibErr = common.ValidateAndBuildCellIdKey(cellId)
142 } else if cellType == entities.Cell_NR_CELL {
143 key, rNibErr = common.ValidateAndBuildNrCellIdKey(cellId)
145 return nil, common.NewValidationErrorf("#rNibReader.GetCellById - invalid cell type: %v", cellType)
150 cell := &entities.Cell{}
151 err := w.getByKeyAndUnmarshal(key, cell)
158 func (w *rNibReaderInstance) GetListNodebIds() ([]*entities.NbIdentity, error) {
159 dataEnb, err := w.sdl.GetMembers(entities.Node_ENB.String())
161 return nil, common.NewInternalError(err)
163 dataGnb, err := w.sdl.GetMembers(entities.Node_GNB.String())
165 return nil, common.NewInternalError(err)
167 dataUnknown, err := w.sdl.GetMembers(entities.Node_UNKNOWN.String())
169 return nil, common.NewInternalError(err)
171 allIds := append(dataEnb, dataGnb...)
172 allIds = append(allIds, dataUnknown...)
173 data, rnibErr := w.unmarshalIdentityList(allIds)
177 func (w *rNibReaderInstance) GetRanLoadInformation(inventoryName string) (*entities.RanLoadInformation, error) {
178 key, rNibErr := common.ValidateAndBuildRanLoadInformationKey(inventoryName)
182 loadInfo := &entities.RanLoadInformation{}
183 err := w.getByKeyAndUnmarshal(key, loadInfo)
190 func (w *rNibReaderInstance) getByKeyAndUnmarshal(key string, entity proto.Message) error {
191 data, err := w.sdl.Get([]string{key})
193 return common.NewInternalError(err)
195 if data != nil && data[key] != nil {
196 err = proto.Unmarshal([]byte(data[key].(string)), entity)
198 return common.NewInternalError(err)
202 return common.NewResourceNotFoundErrorf("#rNibReader.getByKeyAndUnmarshal - entity of type %s not found. Key: %s", reflect.TypeOf(entity).String(), key)
205 func (w *rNibReaderInstance) getListNodebIdsByType(nbType string) ([]*entities.NbIdentity, error) {
206 data, err := w.sdl.GetMembers(nbType)
208 return nil, common.NewInternalError(err)
210 return w.unmarshalIdentityList(data)
213 func (w *rNibReaderInstance) unmarshalIdentityList(data []string) ([]*entities.NbIdentity, error) {
214 var members []*entities.NbIdentity
215 for _, d := range data {
216 member := entities.NbIdentity{}
217 err := proto.Unmarshal([]byte(d), &member)
219 return nil, common.NewInternalError(err)
221 members = append(members, &member)