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module.go
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module.go
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package log
import (
"fmt"
"github.com/mylxsw/asteria/filter"
"strings"
"sync"
"time"
"github.com/mylxsw/asteria/event"
"github.com/mylxsw/asteria/formatter"
"github.com/mylxsw/asteria/level"
"github.com/mylxsw/asteria/misc"
"github.com/mylxsw/asteria/writer"
)
var loggers = make(Loggers)
var moduleLock sync.RWMutex
// Loggers is a map holds all loggers
type Loggers map[string]*AsteriaLogger
// All return all loggers
func All() Loggers {
return loggers
}
// DynamicModuleName set whether enable dynamic module name generate
func (loggers Loggers) DynamicModuleName(enable bool) {
moduleLock.Lock()
defer moduleLock.Unlock()
for _, l := range loggers {
l.dynamicModuleName = enable
}
defaultLogConfig.DynamicModuleName = enable
}
// WithFileLine set whether output file & Line
func (loggers Loggers) WithFileLine(enable bool) {
moduleLock.Lock()
defer moduleLock.Unlock()
for _, l := range loggers {
l.fileLine = enable
}
defaultLogConfig.WithFileLine = enable
}
// Location set default time location
func (loggers Loggers) Location(loc *time.Location) {
moduleLock.Lock()
defer moduleLock.Unlock()
for _, l := range loggers {
l.timeLocation = loc
}
defaultLogConfig.TimeLocation = loc
}
// LogLevel 设置全局默认日志输出级别
func (loggers Loggers) LogLevel(le level.Level) {
moduleLock.Lock()
defer moduleLock.Unlock()
for _, l := range loggers {
l.level = le
}
defaultLogConfig.LogLevel = le
}
// LogFormatter 设置全局默认的日志输出格式化器
func (loggers Loggers) LogFormatter(f formatter.Formatter) {
moduleLock.Lock()
defer moduleLock.Unlock()
for _, l := range loggers {
l.formatter = f
}
defaultLogConfig.LogFormatter = f
}
// LogWriter 设置全局默认的日志输出器
func (loggers Loggers) LogWriter(w writer.Writer) {
moduleLock.Lock()
defer moduleLock.Unlock()
for _, l := range loggers {
l.writer = w
}
defaultLogConfig.LogWriter = w
}
// AsteriaLogger 日志对象
type AsteriaLogger struct {
moduleName string
level level.Level
formatter formatter.Formatter
writer writer.Writer
timeLocation *time.Location
dynamicModuleName bool
fileLine bool
globalContext func(c event.Fields)
filters []filter.Chain
lock sync.RWMutex
}
func (module *AsteriaLogger) DebugEnabled() bool {
return level.Debug <= module.level
}
func (module *AsteriaLogger) InfoEnabled() bool {
return level.Info <= module.level
}
func (module *AsteriaLogger) NoticeEnabled() bool {
return level.Notice <= module.level
}
func (module *AsteriaLogger) WarningEnabled() bool {
return level.Warning <= module.level
}
func (module *AsteriaLogger) ErrorEnabled() bool {
return level.Error <= module.level
}
func (module *AsteriaLogger) CriticalEnabled() bool {
return level.Critical <= module.level
}
func (module *AsteriaLogger) AlertEnabled() bool {
return level.Alert <= module.level
}
func (module *AsteriaLogger) EmergencyEnabled() bool {
return level.Emergency <= module.level
}
// AddFilter append a filter to logger
func (module *AsteriaLogger) AddFilter(f ...filter.Chain) {
module.lock.Lock()
defer module.lock.Unlock()
module.filters = append(module.filters, f...)
}
// Filters return all filters
func (module *AsteriaLogger) Filters() []filter.Chain {
module.lock.RLock()
defer module.lock.RUnlock()
return module.filters
}
// AddGlobalFilter add a global filter
func AddGlobalFilter(f ...filter.Chain) {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig.GlobalFilters = append(defaultLogConfig.GlobalFilters, f...)
}
// GlobalFilters return all global filters
func GlobalFilters() []filter.Chain {
moduleLock.RLock()
defer moduleLock.RUnlock()
return defaultLogConfig.GlobalFilters
}
// DefaultConfig 默认配置对象
type DefaultConfig struct {
LogLevel level.Level
LogFormatter formatter.Formatter
LogWriter writer.Writer
TimeLocation *time.Location
WithFileLine bool
DynamicModuleName bool
GlobalFields func(c event.Fields)
GlobalFilters []filter.Chain
}
// 默认配置信息
var defaultLogConfig DefaultConfig
// Reset all configuration for logger
func Reset() {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig = DefaultConfig{
LogLevel: level.Debug,
LogFormatter: formatter.NewDefaultFormatter(true),
LogWriter: writer.NewStdoutWriter(),
TimeLocation: time.Local,
WithFileLine: false,
DynamicModuleName: false,
GlobalFilters: make([]filter.Chain, 0),
}
loggers = make(Loggers)
}
// GetDefaultConfig return default log config
func GetDefaultConfig() DefaultConfig {
return defaultLogConfig
}
// DefaultWithFileLine set whether output file & Line
func DefaultWithFileLine(enable bool) {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig.WithFileLine = enable
}
// DefaultLocation set default time location
func DefaultLocation(loc *time.Location) {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig.TimeLocation = loc
}
// DefaultDynamicModuleName set if enable dynamic module name generate
func DefaultDynamicModuleName(enable bool) {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig.DynamicModuleName = enable
}
// DefaultLogLevel 设置全局默认日志输出级别
func DefaultLogLevel(l level.Level) {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig.LogLevel = l
}
// DefaultLogFormatter 设置全局默认的日志输出格式化器
func DefaultLogFormatter(f formatter.Formatter) {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig.LogFormatter = f
}
// DefaultLogWriter 设置全局默认的日志输出器
func DefaultLogWriter(w writer.Writer) {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig.LogWriter = w
}
// GlobalFields set global fields
func GlobalFields(f func(c event.Fields)) {
moduleLock.Lock()
defer moduleLock.Unlock()
defaultLogConfig.GlobalFields = f
}
// Module 获取指定模块的日志输出对象
func Module(moduleName string) *AsteriaLogger {
moduleLock.Lock()
defer moduleLock.Unlock()
if logger, ok := loggers[moduleName]; ok {
return logger
}
logger := &AsteriaLogger{
moduleName: moduleName,
formatter: defaultLogConfig.LogFormatter,
writer: defaultLogConfig.LogWriter,
level: defaultLogConfig.LogLevel,
timeLocation: defaultLogConfig.TimeLocation,
dynamicModuleName: defaultLogConfig.DynamicModuleName,
fileLine: defaultLogConfig.WithFileLine,
globalContext: defaultLogConfig.GlobalFields,
}
loggers[moduleName] = logger
return logger
}
// Location set time location for module
func (module *AsteriaLogger) Location(loc *time.Location) *AsteriaLogger {
module.lock.Lock()
defer module.lock.Unlock()
module.timeLocation = loc
return module
}
// WithFileLine set whether output file & Line
func (module *AsteriaLogger) WithFileLine(enable bool) *AsteriaLogger {
module.lock.Lock()
defer module.lock.Unlock()
module.fileLine = enable
return module
}
// DynamicModuleName set whether enable dynamic module name generate
func (module *AsteriaLogger) DynamicModuleName(enable bool) *AsteriaLogger {
module.lock.Lock()
defer module.lock.Unlock()
module.dynamicModuleName = enable
return module
}
// GlobalFields set global fields
func (module *AsteriaLogger) GlobalFields(f func(c event.Fields)) *AsteriaLogger {
module.lock.Lock()
defer module.lock.Unlock()
module.globalContext = f
return module
}
func (module *AsteriaLogger) Output(callDepth int, le level.Level, userContext Fields, v ...interface{}) {
if le > module.level {
return
}
if userContext == nil {
userContext = Fields{}
}
logCtx := event.Fields{
CustomFields: userContext,
GlobalFields: Fields{},
}
moduleName := module.moduleName
if module.dynamicModuleName || module.fileLine || !level.In(le, []level.Level{level.Debug, level.Info, level.Notice, level.Warning}) {
cg := misc.CallGraph(callDepth)
if module.fileLine || !level.In(le, []level.Level{level.Debug, level.Info, level.Notice, level.Warning}) {
logCtx.GlobalFields["file"] = cg.FileName
logCtx.GlobalFields["line"] = cg.Line
logCtx.GlobalFields["package"] = cg.PackageName
}
if module.dynamicModuleName {
moduleName = strings.Replace(cg.PackageName, "/", ".", -1)
}
}
if module.globalContext != nil {
cf := module.globalContext
if cf != nil {
cf(logCtx)
}
}
f := event.Event{
Time: time.Now().In(module.timeLocation),
Module: moduleName,
Level: le,
Fields: logCtx,
Messages: v,
}
var chain filter.Filter = func(f event.Event) {
message := module.getFormatter().Format(f)
if err := module.getWriter().Write(le, f.Module, message); err != nil {
panic(fmt.Sprintf("can not write to output: %s", err))
}
}
filters := append(GlobalFilters(), module.Filters()...)
for i := range filters {
ff := filters[len(filters)-i-1]
chain = ff(chain)
}
chain(f)
}
// Default 获取默认的模块日志
func Default() *AsteriaLogger {
return Module("main")
}
// LogLevel 设置日志输出级别
func (module *AsteriaLogger) LogLevel(le level.Level) *AsteriaLogger {
module.lock.Lock()
defer module.lock.Unlock()
module.level = le
return module
}
// Formatter 设置日志格式化器
func (module *AsteriaLogger) Formatter(f formatter.Formatter) *AsteriaLogger {
module.lock.Lock()
defer module.lock.Unlock()
module.formatter = f
return module
}
func (module *AsteriaLogger) getFormatter() formatter.Formatter {
module.lock.RLock()
defer module.lock.RUnlock()
return module.formatter
}
// Writer 设置日志输出器
func (module *AsteriaLogger) Writer(w writer.Writer) *AsteriaLogger {
module.lock.Lock()
defer module.lock.Unlock()
module.writer = w
return module
}
func (module *AsteriaLogger) getWriter() writer.Writer {
module.lock.RLock()
defer module.lock.RUnlock()
return module.writer
}
// ReOpen reopen a log file
func (module *AsteriaLogger) ReOpen() error {
return module.getWriter().ReOpen()
}
// Close close a log LogWriter
func (module *AsteriaLogger) Close() error {
return module.getWriter().Close()
}
func (module *AsteriaLogger) F(fields M) Logger {
return module.WithFields(Fields(fields))
}
// WithFields 带有上下文信息的日志输出
func (module *AsteriaLogger) WithFields(c Fields) Logger {
return &ContextLogger{
logger: module,
context: c,
}
}
func (module *AsteriaLogger) With(data interface{}) Logger {
return module.WithFields(Fields{
"@": data,
})
}
func (module *AsteriaLogger) Emergency(v ...interface{}) {
module.Output(3, level.Emergency, nil, v...)
}
func (module *AsteriaLogger) Alert(v ...interface{}) {
module.Output(3, level.Alert, nil, v...)
}
func (module *AsteriaLogger) Critical(v ...interface{}) {
module.Output(3, level.Critical, nil, v...)
}
func (module *AsteriaLogger) Error(v ...interface{}) {
module.Output(3, level.Error, nil, v...)
}
func (module *AsteriaLogger) Warning(v ...interface{}) {
module.Output(3, level.Warning, nil, v...)
}
func (module *AsteriaLogger) Notice(v ...interface{}) {
module.Output(3, level.Notice, nil, v...)
}
func (module *AsteriaLogger) Info(v ...interface{}) {
module.Output(3, level.Info, nil, v...)
}
func (module *AsteriaLogger) Debug(v ...interface{}) {
module.Output(3, level.Debug, nil, v...)
}
func (module *AsteriaLogger) Emergencyf(format string, v ...interface{}) {
module.Output(3, level.Emergency, nil, fmt.Sprintf(format, v...))
}
func (module *AsteriaLogger) Alertf(format string, v ...interface{}) {
module.Output(3, level.Alert, nil, fmt.Sprintf(format, v...))
}
func (module *AsteriaLogger) Criticalf(format string, v ...interface{}) {
module.Output(3, level.Critical, nil, fmt.Sprintf(format, v...))
}
func (module *AsteriaLogger) Errorf(format string, v ...interface{}) {
module.Output(3, level.Error, nil, fmt.Sprintf(format, v...))
}
func (module *AsteriaLogger) Warningf(format string, v ...interface{}) {
module.Output(3, level.Warning, nil, fmt.Sprintf(format, v...))
}
func (module *AsteriaLogger) Noticef(format string, v ...interface{}) {
module.Output(3, level.Notice, nil, fmt.Sprintf(format, v...))
}
func (module *AsteriaLogger) Infof(format string, v ...interface{}) {
module.Output(3, level.Info, nil, fmt.Sprintf(format, v...))
}
func (module *AsteriaLogger) Debugf(format string, v ...interface{}) {
module.Output(3, level.Debug, nil, fmt.Sprintf(format, v...))
}
func (module *AsteriaLogger) Print(v ...interface{}) {
module.Output(3, level.Debug, nil, v...)
}