You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
1.5 KiB
76 lines
1.5 KiB
package log
|
|
|
|
import (
|
|
"log"
|
|
)
|
|
|
|
var (
|
|
// DefaultLogger is default logger.
|
|
DefaultLogger Logger = NewStdLogger(log.Writer())
|
|
)
|
|
|
|
// Logger is a logger interface.
|
|
type Logger interface {
|
|
Log(kv ...interface{}) error
|
|
}
|
|
|
|
type context struct {
|
|
logs []Logger
|
|
prefix []interface{}
|
|
hasValuer bool
|
|
}
|
|
|
|
func (c *context) Log(kv ...interface{}) error {
|
|
kvs := make([]interface{}, 0, len(c.prefix)+len(kv))
|
|
kvs = append(kvs, c.prefix...)
|
|
if c.hasValuer {
|
|
bindValues(kvs)
|
|
}
|
|
kvs = append(kvs, kv...)
|
|
for _, l := range c.logs {
|
|
if err := l.Log(kvs...); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// With with logger fields.
|
|
func With(l Logger, kv ...interface{}) Logger {
|
|
if c, ok := l.(*context); ok {
|
|
kvs := make([]interface{}, 0, len(c.prefix)+len(kv))
|
|
kvs = append(kvs, kv...)
|
|
kvs = append(kvs, c.prefix...)
|
|
return &context{
|
|
logs: c.logs,
|
|
prefix: kvs,
|
|
hasValuer: containsValuer(kvs),
|
|
}
|
|
}
|
|
return &context{logs: []Logger{l}, prefix: kv, hasValuer: containsValuer(kv)}
|
|
}
|
|
|
|
// MultiLogger wraps multi logger.
|
|
func MultiLogger(logs ...Logger) Logger {
|
|
return &context{logs: logs}
|
|
}
|
|
|
|
// Debug returns a debug logger.
|
|
func Debug(log Logger) Logger {
|
|
return With(log, LevelKey, LevelDebug)
|
|
}
|
|
|
|
// Info returns a info logger.
|
|
func Info(log Logger) Logger {
|
|
return With(log, LevelKey, LevelInfo)
|
|
}
|
|
|
|
// Warn return a warn logger.
|
|
func Warn(log Logger) Logger {
|
|
return With(log, LevelKey, LevelWarn)
|
|
}
|
|
|
|
// Error returns a error logger.
|
|
func Error(log Logger) Logger {
|
|
return With(log, LevelKey, LevelError)
|
|
}
|
|
|