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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package mlog
import (
"sync"
)
var (
globalLogger *Logger
muxGlobalLogger sync.RWMutex
)
func InitGlobalLogger(logger *Logger) {
muxGlobalLogger.Lock()
defer muxGlobalLogger.Unlock()
globalLogger = logger
}
func getGlobalLogger() *Logger {
muxGlobalLogger.RLock()
defer muxGlobalLogger.RUnlock()
return globalLogger
}
// IsLevelEnabled returns true only if at least one log target is
// configured to emit the specified log level. Use this check when
// gathering the log info may be expensive.
//
// Note, transformations and serializations done via fields are already
// lazily evaluated and don't require this check beforehand.
func IsLevelEnabled(level Level) bool {
logger := getGlobalLogger()
if logger == nil {
return defaultIsLevelEnabled(level)
}
return logger.IsLevelEnabled(level)
}
// Log emits the log record for any targets configured for the specified level.
func Log(level Level, msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultLog(level, msg, fields...)
return
}
logger.Log(level, msg, fields...)
}
// LogM emits the log record for any targets configured for the specified levels.
// Equivalent to calling `Log` once for each level.
func LogM(levels []Level, msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultCustomMultiLog(levels, msg, fields...)
return
}
logger.LogM(levels, msg, fields...)
}
// Convenience method equivalent to calling `Log` with the `Trace` level.
func Trace(msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultLog(LvlTrace, msg, fields...)
return
}
logger.Trace(msg, fields...)
}
// Convenience method equivalent to calling `Log` with the `Debug` level.
func Debug(msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultLog(LvlDebug, msg, fields...)
return
}
logger.Debug(msg, fields...)
}
// Convenience method equivalent to calling `Log` with the `Info` level.
func Info(msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultLog(LvlInfo, msg, fields...)
return
}
logger.Info(msg, fields...)
}
// Convenience method equivalent to calling `Log` with the `Warn` level.
func Warn(msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultLog(LvlWarn, msg, fields...)
return
}
logger.Warn(msg, fields...)
}
// Convenience method equivalent to calling `Log` with the `Error` level.
func Error(msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultLog(LvlError, msg, fields...)
return
}
logger.Error(msg, fields...)
}
// Convenience method equivalent to calling `Log` with the `Critical` level.
// DEPRECATED: Either use Error or Fatal.
func Critical(msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultLog(LvlCritical, msg, fields...)
return
}
logger.Critical(msg, fields...)
}
func Fatal(msg string, fields ...Field) {
logger := getGlobalLogger()
if logger == nil {
defaultLog(LvlFatal, msg, fields...)
return
}
logger.Fatal(msg, fields...)
}
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