1// Copyright 2018 The etcd Authors 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package logutil 16 17import ( 18 "github.com/coreos/pkg/capnslog" 19 "google.golang.org/grpc/grpclog" 20) 21 22// assert that "packageLogger" satisfy "Logger" interface 23var _ Logger = &packageLogger{} 24 25// NewPackageLogger wraps "*capnslog.PackageLogger" that implements "Logger" interface. 26// 27// For example: 28// 29// var defaultLogger Logger 30// defaultLogger = NewPackageLogger("go.etcd.io/etcd", "snapshot") 31// 32func NewPackageLogger(repo, pkg string) Logger { 33 return &packageLogger{p: capnslog.NewPackageLogger(repo, pkg)} 34} 35 36type packageLogger struct { 37 p *capnslog.PackageLogger 38} 39 40func (l *packageLogger) Info(args ...interface{}) { l.p.Info(args...) } 41func (l *packageLogger) Infoln(args ...interface{}) { l.p.Info(args...) } 42func (l *packageLogger) Infof(format string, args ...interface{}) { l.p.Infof(format, args...) } 43func (l *packageLogger) Warning(args ...interface{}) { l.p.Warning(args...) } 44func (l *packageLogger) Warningln(args ...interface{}) { l.p.Warning(args...) } 45func (l *packageLogger) Warningf(format string, args ...interface{}) { l.p.Warningf(format, args...) } 46func (l *packageLogger) Error(args ...interface{}) { l.p.Error(args...) } 47func (l *packageLogger) Errorln(args ...interface{}) { l.p.Error(args...) } 48func (l *packageLogger) Errorf(format string, args ...interface{}) { l.p.Errorf(format, args...) } 49func (l *packageLogger) Fatal(args ...interface{}) { l.p.Fatal(args...) } 50func (l *packageLogger) Fatalln(args ...interface{}) { l.p.Fatal(args...) } 51func (l *packageLogger) Fatalf(format string, args ...interface{}) { l.p.Fatalf(format, args...) } 52func (l *packageLogger) V(lvl int) bool { 53 return l.p.LevelAt(capnslog.LogLevel(lvl)) 54} 55func (l *packageLogger) Lvl(lvl int) grpclog.LoggerV2 { 56 if l.p.LevelAt(capnslog.LogLevel(lvl)) { 57 return l 58 } 59 return &discardLogger{} 60} 61