logging

type Config struct {
	TimeFormat string
	Handlers   []*Handler
}

type EmailWriter struct {
	// Email server
	Server string

	// Email sender and account name
	Sender string

	// Email account password
	Password string

	// Email Receivers
	Receivers []string

	// Email subject
	Subject string

	// the logs arrived after first log in "Delay" duration will be grouped with the first log
	Delay time.Duration
	// contains filtered or unexported fields
}

type Handler struct {
	// responsible levels
	Levels []string

	// format of log message
	Format string

	// writers
	Writers []Writer
}

type Session map[string]interface{}

type TimeRotateWriter struct {
	sync.Mutex
	// file path
	Path string

	// split file path
	Split string

	// rotate interval
	Interval time.Duration

	// keep split file duration, the expired split file will be removed
	Keep time.Duration
	// contains filtered or unexported fields
}

type Writer io.Writer