50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
// Package log provides a log interface
|
|
package logger
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
)
|
|
|
|
// Logger is a generic logging interface
|
|
type Logger interface {
|
|
// Init initialises options
|
|
Init(options ...Option) error
|
|
// Level returns the logging level
|
|
Level() Level
|
|
// Log inserts a log entry. Arguments may be handled in the manner
|
|
// of fmt.Print, but the underlying logger may also decide to handle
|
|
// them differently.
|
|
Log(level Level, v ...interface{})
|
|
// Logf insets a log entry. Arguments are handled in the manner of
|
|
// fmt.Printf.
|
|
Logf(level Level, format string, v ...interface{})
|
|
// Fields set fields to always be logged
|
|
Fields(fields ...Field) Logger
|
|
// SetLevel updates the logging level.
|
|
SetLevel(Level)
|
|
// String returns the name of logger
|
|
String() string
|
|
}
|
|
|
|
var (
|
|
mtx sync.Mutex
|
|
loggerMap = map[string]Logger{}
|
|
)
|
|
|
|
func Register(logger Logger) {
|
|
mtx.Lock()
|
|
defer mtx.Unlock()
|
|
|
|
loggerMap[logger.String()] = logger
|
|
}
|
|
|
|
func GetLogger(name string) (Logger, error) {
|
|
l := loggerMap[name]
|
|
if l == nil {
|
|
return nil, fmt.Errorf("no such name logger found %s", name)
|
|
}
|
|
|
|
return l, nil
|
|
}
|