Path:      objPath,
		Error:     errStr,
		Bytes:     sz,
		Custom: map[string]string{
			"user":   s.Sess.LoginUser(),
			"cmd":    s.Cmd,
			"param":  s.Param,
			"login":  fmt.Sprintf("%t", s.Sess.IsLogin()),
			"source": source,
		},
	}
}

func (m *ftpMetrics) log(s *ftp.Context, paths ...string) func(sz int64, err error) {
	startTime := time.Now()
	source := getSource(2)