/
log.go
365 lines (300 loc) · 7.43 KB
/
log.go
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package log
import (
"fmt"
)
const (
DebugLevel = "debug"
InfoLevel = "info"
WarnLevel = "warn"
ErrorLevel = "error"
PanicLevel = "panic"
RequestLevel = "request"
)
var logger *Log
// Log 默认会使用zap作为日志输出引擎. Log集成了日志切割的功能。默认文件大小1024M,自动压缩
// 最大有3个文件备份,备份保存时间7天。默认不会打印日志被调用的文文件名和位置;
// 输出:日志默认会被分成五类文件:xxx.log.DEBUG,xxx.log.INFO, xxx.log.WARN, xxx.log.ERROR, xxx.log.Request
// error,panic都会打印在xxx.log.ERROR. 所有的请求都会打在xxx.log.Request
// Adapter:经过比对现在流行的日志库:zap, logrus, zerolog; logrus 虽说格式化,插件化良好,但是
// 其内部实现锁竞争太过剧烈,性能不好. zap 性能好,格式一般, zerolog性能没有zap好, 相比
// 来说就没啥突出优点了
type Log struct {
Path string
Level string
NeedRequestLog bool // 是否需要request.log
adapters map[string]*zapAdapter
}
type LogOption interface {
apply(*Log)
}
type logOptionFunc func(*Log)
func (f logOptionFunc) apply(log *Log) {
f(log)
}
func SetMaxFileSize(size int) LogOption {
return logOptionFunc(func(log *Log) {
for i, _ := range log.adapters {
log.adapters[i].setMaxFileSize(size)
}
})
}
func SetMaxBackups(n int) LogOption {
return logOptionFunc(func(log *Log) {
for i, _ := range log.adapters {
log.adapters[i].setMaxBackups(n)
}
})
}
func SetMaxAge(age int) LogOption {
return logOptionFunc(func(log *Log) {
for i, _ := range log.adapters {
log.adapters[i].setMaxAge(age)
}
})
}
func SetCompress(compress bool) LogOption {
return logOptionFunc(func(log *Log) {
for i, _ := range log.adapters {
log.adapters[i].setCompress(compress)
}
})
}
func SetCaller(caller bool) LogOption {
return logOptionFunc(func(log *Log) {
for i, _ := range log.adapters {
log.adapters[i].setCaller(caller)
}
})
}
// Init init logger
func Init(path, level string, needRequestLog bool, options ...LogOption) {
logger = &Log{Path: path, Level: level}
var levels []string
switch level {
case DebugLevel:
levels = append(levels, DebugLevel, InfoLevel, WarnLevel, ErrorLevel)
case InfoLevel:
levels = append(levels, InfoLevel, WarnLevel, ErrorLevel)
case WarnLevel:
levels = append(levels, WarnLevel, ErrorLevel)
case ErrorLevel, PanicLevel:
levels = append(levels, ErrorLevel)
}
if needRequestLog {
logger.NeedRequestLog = true
levels = append(levels, RequestLevel)
}
logger.createFiles(levels, options...)
}
// Sync flushes buffer, if any
func Sync() {
if logger == nil {
return
}
for _, v := range logger.adapters {
v.logger.Sync()
}
}
func (l *Log) isCaller(level string) bool {
if v, ok := l.adapters[level]; ok {
return v.Caller
}
return false
}
func (l *Log) maxFileSize(level string) int {
if v, ok := l.adapters[level]; ok {
return v.MaxFileSize
}
return 0
}
func (l *Log) maxBackups(level string) int {
if v, ok := l.adapters[level]; ok {
return v.MaxBackups
}
return 0
}
func (l *Log) maxAge(level string) int {
if v, ok := l.adapters[level]; ok {
return v.MaxAge
}
return 0
}
func (l *Log) createFiles(levels []string, options ...LogOption) {
adapters := make(map[string]*zapAdapter, 4)
for _, v := range levels {
switch {
case v == DebugLevel:
adapters[DebugLevel] = NewZapAdapter(fmt.Sprintf("%s.DEBUG", l.Path), DebugLevel)
case v == InfoLevel:
adapters[InfoLevel] = NewZapAdapter(fmt.Sprintf("%s.INFO", l.Path), InfoLevel)
case v == WarnLevel:
adapters[WarnLevel] = NewZapAdapter(fmt.Sprintf("%s.WARN", l.Path), WarnLevel)
case v == ErrorLevel:
adapters[ErrorLevel] = NewZapAdapter(fmt.Sprintf("%s.ERROR", l.Path), ErrorLevel)
case v == RequestLevel:
adapters[RequestLevel] = NewZapAdapter(fmt.Sprintf("%s.Request", l.Path), InfoLevel)
}
}
l.adapters = adapters
for _, opt := range options {
opt.apply(l)
}
for _, adapter := range adapters {
adapter.Build()
}
}
// Debug 使用方法:log.Debug("test")
func Debug(args ...interface{}) {
if logger == nil {
return
}
if debugAdapter, ok := logger.adapters[DebugLevel]; ok {
debugAdapter.Debug(args...)
}
}
// Debugf 使用方法:log.Debugf("test:%s", err)
func Debugf(template string, args ...interface{}) {
if logger == nil {
return
}
if debugAdapter, ok := logger.adapters[DebugLevel]; ok {
debugAdapter.Debugf(template, args...)
}
}
// Debugw 使用方法:log.Debugw("test", "field1", "value1", "field2", "value2")
func Debugw(msg string, keysAndValues ...interface{}) {
if logger == nil {
return
}
if debugAdapter, ok := logger.adapters[DebugLevel]; ok {
debugAdapter.Debugw(msg, keysAndValues...)
}
}
func Info(args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[InfoLevel]; ok {
adapter.Info(args...)
}
}
func Infof(template string, args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[InfoLevel]; ok {
adapter.Infof(template, args...)
}
}
func Infow(msg string, keysAndValues ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[InfoLevel]; ok {
adapter.Infow(msg, keysAndValues...)
}
}
func Warn(args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[WarnLevel]; ok {
adapter.Warn(args...)
}
}
func Warnf(template string, args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[WarnLevel]; ok {
adapter.Warnf(template, args...)
}
}
func Warnw(msg string, keysAndValues ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[WarnLevel]; ok {
adapter.Warnw(msg, keysAndValues...)
}
}
func Error(args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Error(args...)
}
}
func Errorf(template string, args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Errorf(template, args...)
}
}
func Errorw(msg string, keysAndValues ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Errorw(msg, keysAndValues...)
}
}
func Panic(args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Panic(args...)
}
}
func Panicf(template string, args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Panicf(template, args...)
}
}
func Panicw(msg string, keysAndValues ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Panicw(msg, keysAndValues...)
}
}
func Fatal(args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Fatal(args...)
}
}
func Fatalf(template string, args ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Fatalf(template, args...)
}
}
func Fatalw(msg string, keysAndValues ...interface{}) {
if logger == nil {
return
}
if adapter, ok := logger.adapters[ErrorLevel]; ok {
adapter.Fatalw(msg, keysAndValues...)
}
}
func RequestLogInfow(keysAndValues ...interface{}) {
if logger == nil || !logger.NeedRequestLog {
return
}
if adapter, ok := logger.adapters[RequestLevel]; ok {
adapter.Infow("", keysAndValues...)
}
}