https://github.com/coreos/etcd
Tip revision: cc198e22d3b8fd7ec98304c95e68ee375be54589 authored by Gyu-Ho Lee on 20 January 2017, 19:02:34 UTC
version: bump to v3.0.17
version: bump to v3.0.17
Tip revision: cc198e2
logger.go
// Copyright 2016 The etcd Authors
//
// 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 clientv3
import (
"log"
"os"
"sync"
"google.golang.org/grpc/grpclog"
)
type Logger grpclog.Logger
var (
logger settableLogger
)
type settableLogger struct {
l grpclog.Logger
mu sync.RWMutex
}
func init() {
// use go's standard logger by default like grpc
logger.mu.Lock()
logger.l = log.New(os.Stderr, "", log.LstdFlags)
grpclog.SetLogger(&logger)
logger.mu.Unlock()
}
func (s *settableLogger) Set(l Logger) {
s.mu.Lock()
logger.l = l
s.mu.Unlock()
}
func (s *settableLogger) Get() Logger {
s.mu.RLock()
l := logger.l
s.mu.RUnlock()
return l
}
// implement the grpclog.Logger interface
func (s *settableLogger) Fatal(args ...interface{}) { s.Get().Fatal(args...) }
func (s *settableLogger) Fatalf(format string, args ...interface{}) { s.Get().Fatalf(format, args...) }
func (s *settableLogger) Fatalln(args ...interface{}) { s.Get().Fatalln(args...) }
func (s *settableLogger) Print(args ...interface{}) { s.Get().Print(args...) }
func (s *settableLogger) Printf(format string, args ...interface{}) { s.Get().Printf(format, args...) }
func (s *settableLogger) Println(args ...interface{}) { s.Get().Println(args...) }