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server.go
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server.go
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// Copyright 2020-present Open Networking Foundation.
//
// 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 logging
import (
"github.com/onosproject/onos-lib-go/pkg/errors"
"strings"
"github.com/onosproject/onos-lib-go/api/logging"
"github.com/onosproject/onos-lib-go/pkg/logging/service"
"golang.org/x/net/context"
"google.golang.org/grpc"
)
// NewService returns a new device Service
func NewService() (service.Service, error) {
return &Service{}, nil
}
// Service is an implementation of C1 service.
type Service struct {
service.Service
}
// Register registers the logging Service with the gRPC server.
func (s Service) Register(r *grpc.Server) {
server := &Server{}
logging.RegisterLoggerServer(r, server)
}
// Server implements the logging gRPC service
type Server struct {
}
func splitLoggerName(name string) []string {
names := strings.Split(name, nameSep)
return names
}
// GetLevel implements GetLevel rpc function to get a logger level
func (s *Server) GetLevel(ctx context.Context, req *logging.GetLevelRequest) (*logging.GetLevelResponse, error) {
name := req.GetLoggerName()
if name == "" {
return &logging.GetLevelResponse{}, errors.NewInvalid("precondition for get level request is failed")
}
names := splitLoggerName(name)
logger := GetLogger(names...)
level := logger.GetLevel()
var loggerLevel logging.Level
switch level {
case InfoLevel:
loggerLevel = logging.Level_INFO
case DebugLevel:
loggerLevel = logging.Level_DEBUG
case WarnLevel:
loggerLevel = logging.Level_WARN
case ErrorLevel:
loggerLevel = logging.Level_ERROR
case PanicLevel:
loggerLevel = logging.Level_PANIC
case DPanicLevel:
loggerLevel = logging.Level_DPANIC
case FatalLevel:
loggerLevel = logging.Level_FATAL
}
return &logging.GetLevelResponse{
Level: loggerLevel,
}, nil
}
// SetLevel implements SetLevel rpc function to set a logger level
func (s *Server) SetLevel(ctx context.Context, req *logging.SetLevelRequest) (*logging.SetLevelResponse, error) {
name := req.GetLoggerName()
level := req.GetLevel()
if name == "" {
return &logging.SetLevelResponse{
ResponseStatus: logging.ResponseStatus_PRECONDITION_FAILED,
}, errors.NewInvalid("precondition for set level request is failed")
}
names := splitLoggerName(name)
logger := GetLogger(names...)
switch level {
case logging.Level_INFO:
logger.SetLevel(InfoLevel)
case logging.Level_DEBUG:
logger.SetLevel(DebugLevel)
case logging.Level_WARN:
logger.SetLevel(WarnLevel)
case logging.Level_ERROR:
logger.SetLevel(ErrorLevel)
case logging.Level_PANIC:
logger.SetLevel(PanicLevel)
case logging.Level_DPANIC:
logger.SetLevel(DPanicLevel)
case logging.Level_FATAL:
logger.SetLevel(FatalLevel)
default:
return &logging.SetLevelResponse{
ResponseStatus: logging.ResponseStatus_PRECONDITION_FAILED,
}, errors.NewNotSupported("the requested level is not supported")
}
return &logging.SetLevelResponse{
ResponseStatus: logging.ResponseStatus_OK,
}, nil
}