Mainflux.mainflux/logger/level.go

59 lines
1.1 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package logger
import (
"errors"
"strings"
)
const (
// Error level is used when logging errors.
Error Level = iota + 1
// Warn level is used when logging warnings.
Warn
// Info level is used when logging info data.
Info
// Debug level is used when logging debugging info.
Debug
)
// ErrInvalidLogLevel indicates an unrecognized log level.
var ErrInvalidLogLevel = errors.New("unrecognized log level")
// Level represents severity level while logging.
type Level int
var levels = map[Level]string{
Error: "error",
Warn: "warn",
Info: "info",
Debug: "debug",
}
func (lvl Level) String() string {
return levels[lvl]
}
func (lvl Level) isAllowed(logLevel Level) bool {
return lvl <= logLevel
}
// UnmarshalText returns log Level for the given string representation.
func (lvl *Level) UnmarshalText(text string) error {
switch strings.ToLower(text) {
case "debug":
*lvl = Debug
case "info":
*lvl = Info
case "warn":
*lvl = Warn
case "error":
*lvl = Error
default:
return ErrInvalidLogLevel
}
return nil
}