logutil

type FileLogConfig struct {
	// Log filename, leave empty to disable file log.
	Filename string `toml:"filename" json:"filename"`
	// Is log rotate enabled. TODO.
	LogRotate bool `toml:"log-rotate" json:"log-rotate"`
	// Max size for a single file, in MB.
	MaxSize int `toml:"max-size" json:"max-size"`
	// Max log keep days, default is never deleting.
	MaxDays int `toml:"max-days" json:"max-days"`
	// Maximum number of old log files to retain.
	MaxBackups int `toml:"max-backups" json:"max-backups"`
}

type LogConfig struct {
	// Log level.
	Level string `toml:"level" json:"level"`
	// Log format. one of json, text, or console.
	Format string `toml:"format" json:"format"`
	// Disable automatic timestamps in output.
	DisableTimestamp bool `toml:"disable-timestamp" json:"disable-timestamp"`
	// File log config.
	File FileLogConfig `toml:"file" json:"file"`
	// SlowQueryFile filename, default to File log config on empty.
	SlowQueryFile string
}