log

type ByteMarshaler struct {
	Key  string
	Data []byte
}

type Config struct {
	ServiceName string `yaml:"serviceName"`
	// 日志级别.
	Level string `yaml:"level"`
	// Log format. one of json or plain.
	Format string `yaml:"format"`
	// 是否输出到控制台.
	Stdout bool `yaml:"stdout"`
	// File log config.
	File FileLogConfig `yaml:"file"`
}

type FileLogConfig struct {
	// 日志文件路径.
	Filename string `yaml:"filename"`
	// Is log rotate enabled.
	LogRotate bool `yaml:"logRotate"`
	// Max size for a single file, in MB.
	MaxSize int `yaml:"maxSize"`
	// Max log keep days, default is never deleting.
	MaxDays int `yaml:"maxDays"`
	// Maximum number of old log files to retain.
	MaxBackups int `yaml:"maxBackups"`
	// MAX size of bufio.Writer
	BufSize int `yaml:"bufSize"`
}

type JsonMarshaler struct {
	Key  string
	Data interface{}
}