X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=E2Manager%2FrNibWriter%2FrNibWriter.go;fp=E2Manager%2FrNibWriter%2FrNibWriter.go;h=14f1564fdc28c614940b39a1e0e5794378df4537;hb=07ef76dd471a0892a893c90e0ab06713aee34be1;hp=0000000000000000000000000000000000000000;hpb=59f84608ec15c016958a6e0e0ddd813f376c0925;p=ric-plt%2Fe2mgr.git

diff --git a/E2Manager/rNibWriter/rNibWriter.go b/E2Manager/rNibWriter/rNibWriter.go
new file mode 100644
index 0000000..14f1564
--- /dev/null
+++ b/E2Manager/rNibWriter/rNibWriter.go
@@ -0,0 +1,210 @@
+//
+// 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 rNibWriter
+
+import (
+	"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
+	"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
+	"errors"
+	"fmt"
+	"gerrit.o-ran-sc.org/r/ric-plt/sdlgo"
+	"github.com/golang/protobuf/proto"
+)
+
+
+
+var writerPool *common.Pool
+
+type rNibWriterInstance struct {
+	sdl       *common.ISdlInstance
+	namespace string
+}
+/*
+RNibWriter interface allows saving data to the redis DB
+ */
+type RNibWriter interface {
+	SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) common.IRNibError
+	SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) common.IRNibError
+}
+/*
+Init initializes the infrastructure required for the RNibWriter instance
+ */
+func Init(namespace string, poolSize int) {
+	initPool(poolSize,
+		func() interface{} {
+			var sdlI common.ISdlInstance = sdlgo.NewSdlInstance(namespace, sdlgo.NewDatabase())
+			return &rNibWriterInstance{sdl: &sdlI, namespace: namespace}
+		},
+		func(obj interface{}) {
+			(*obj.(*rNibWriterInstance).sdl).Close()
+		})
+}
+/*
+InitPool initializes the writer's instances pool
+ */
+func initPool(poolSize int, newObj func() interface{}, destroyObj func(interface{})) {
+	writerPool = common.NewPool(poolSize, newObj, destroyObj)
+}
+/*
+GetRNibWriter returns RNibWriter instance from the pool
+ */
+func GetRNibWriter() RNibWriter {
+	return writerPool.Get().(RNibWriter)
+}
+/*
+SaveNodeb saves nodeB entity data in the redis DB according to the specified data model
+ */
+func (w *rNibWriterInstance) SaveNodeb(nbIdentity *entities.NbIdentity, entity *entities.NodebInfo) common.IRNibError {
+
+	isNotEmptyIdentity := isNotEmpty(nbIdentity)
+
+	if isNotEmptyIdentity && entity.GetNodeType() == entities.Node_UNKNOWN{
+		return common.NewValidationError(errors.New( fmt.Sprintf("#rNibWriter.saveNodeB - Unknown responding node type, entity: %v", entity)))
+	}
+	defer writerPool.Put(w)
+	data, err := proto.Marshal(entity)
+	if err != nil {
+		return common.NewInternalError(err)
+	}
+	var pairs []interface{}
+	key, rNibErr := common.ValidateAndBuildNodeBNameKey(nbIdentity.InventoryName)
+	if rNibErr != nil{
+		return rNibErr
+	}
+	pairs = append(pairs, key, data)
+
+	if isNotEmptyIdentity {
+		key, rNibErr = common.ValidateAndBuildNodeBIdKey(entity.GetNodeType().String(), nbIdentity.GlobalNbId.GetPlmnId(), nbIdentity.GlobalNbId.GetNbId())
+		if rNibErr != nil{
+			return rNibErr
+		}
+		pairs = append(pairs, key, data)
+	}
+
+	if entity.GetEnb() != nil {
+		pairs, rNibErr = appendEnbCells(nbIdentity, entity.GetEnb().GetServedCells(), pairs)
+		if rNibErr != nil{
+			return rNibErr
+		}
+	}
+	if entity.GetGnb() != nil {
+		pairs, rNibErr = appendGnbCells(nbIdentity, entity.GetGnb().GetServedNrCells(), pairs)
+		if rNibErr != nil{
+			return rNibErr
+		}
+	}
+	err = (*w.sdl).Set(pairs)
+	if err != nil {
+		return common.NewInternalError(err)
+	}
+	if isNotEmptyIdentity {
+		nbIdData, err := proto.Marshal(nbIdentity)
+		if err != nil {
+			return common.NewInternalError(err)
+		}
+		err = (*w.sdl).AddMember(entity.GetNodeType().String(), nbIdData)
+		if err != nil {
+			return common.NewInternalError(err)
+		}
+	}
+	return nil
+}
+
+/*
+SaveRanLoadInformation stores ran load information for the provided ran
+*/
+func (w *rNibWriterInstance) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) common.IRNibError {
+
+	defer writerPool.Put(w)
+
+	key, rnibErr:= common.ValidateAndBuildRanLoadInformationKey(inventoryName)
+
+	if rnibErr != nil {
+		return rnibErr
+	}
+
+	data, err := proto.Marshal(ranLoadInformation)
+
+	if err != nil {
+		return common.NewInternalError(err)
+	}
+
+	var pairs []interface{}
+	pairs = append(pairs, key, data)
+
+	err = (*w.sdl).Set(pairs)
+
+	if err != nil {
+		return common.NewInternalError(err)
+	}
+
+	return nil
+}
+
+/*
+Close closes writer's pool
+ */
+func Close(){
+	writerPool.Close()
+}
+
+func appendEnbCells(nbIdentity *entities.NbIdentity, cells []*entities.ServedCellInfo, pairs []interface{}) ([]interface{}, common.IRNibError) {
+	for _, cell := range cells {
+		cellEntity := entities.Cell{Type:entities.Cell_LTE_CELL, Cell:&entities.Cell_ServedCellInfo{ServedCellInfo:cell}}
+		cellData, err := proto.Marshal(&cellEntity)
+		if err != nil {
+			return pairs, common.NewInternalError(err)
+		}
+		key, rNibErr := common.ValidateAndBuildCellIdKey(cell.GetCellId())
+		if rNibErr != nil{
+			return pairs, rNibErr
+		}
+		pairs = append(pairs, key, cellData)
+		key, rNibErr = common.ValidateAndBuildCellNamePciKey(nbIdentity.InventoryName, cell.GetPci())
+		if rNibErr != nil{
+			return pairs, rNibErr
+		}
+		pairs = append(pairs, key, cellData)
+	}
+	return pairs, nil
+}
+
+func appendGnbCells(nbIdentity *entities.NbIdentity, cells  []*entities.ServedNRCell, pairs []interface{}) ([]interface{}, common.IRNibError) {
+	for _, cell := range cells {
+		cellEntity := entities.Cell{Type:entities.Cell_NR_CELL, Cell:&entities.Cell_ServedNrCell{ServedNrCell:cell}}
+		cellData, err := proto.Marshal(&cellEntity)
+		if err != nil {
+			return pairs, common.NewInternalError(err)
+		}
+		key, rNibErr := common.ValidateAndBuildNrCellIdKey(cell.GetServedNrCellInformation().GetCellId())
+		if rNibErr != nil{
+			return pairs, rNibErr
+		}
+		pairs = append(pairs, key, cellData)
+		key, rNibErr = common.ValidateAndBuildCellNamePciKey(nbIdentity.InventoryName, cell.GetServedNrCellInformation().GetNrPci())
+		if rNibErr != nil{
+			return pairs, rNibErr
+		}
+		pairs = append(pairs, key, cellData)
+	}
+	return pairs, nil
+}
+
+func isNotEmpty(nbIdentity *entities.NbIdentity) bool {
+	return nbIdentity.GlobalNbId != nil && nbIdentity.GlobalNbId.PlmnId != "" && nbIdentity.GlobalNbId.NbId != ""
+}
\ No newline at end of file