log

type Config struct {
	config.NoValidator
	// File is the configuration for file logging.
	File FileConfig `toml:"file,omitempty"`
	// Console is the configuration for the console logging.
	Console ConsoleConfig `toml:"console,omitempty"`
}

type ConsoleConfig struct {
	// Level of console logging (defaults to DefaultConsoleLevel).
	Level string `toml:"level,omitempty"`
}

type DebugID uint32

type FileConfig struct {
	// Path is the location of the logging file. If unset, no file logging is
	// performed.
	Path string `toml:"path,omitempty"`
	// Level of file logging (defaults to DefaultFileLevel).
	Level string `toml:"level,omitempty"`
	// Size is the max size of log file in MiB (defaults to DefaultFileSizeMiB).
	Size uint `toml:"size,omitempty"`
	// MaxAge is the max age of log file in days (defaults to
	// DefaultFileMaxAgeDays).
	MaxAge uint `toml:"max_age,omitempty"`
	// MaxBackups is the max number of log files to retain (defaults to
	// DefaultFileMaxBackups).
	MaxBackups uint `toml:"max_backups,omitempty"`
	// FlushInterval specifies how frequently to flush to the log file, in
	// seconds (defaults to DefaultFileFlushSeconds).
	FlushInterval *uint `toml:"flush_interval,omitempty"`
	// Compress can be set to enable rotated file compression.
	Compress bool `toml:"compress,omitempty"`
}

type Handler interface {
	log15.Handler
}

type Level log15.Lvl

type Logger interface {
	New(ctx ...interface{}) Logger
	Trace(msg string, ctx ...interface{})
	Debug(msg string, ctx ...interface{})
	Info(msg string, ctx ...interface{})
	Warn(msg string, ctx ...interface{})
	Error(msg string, ctx ...interface{})
	Crit(msg string, ctx ...interface{})
}

type Span struct {
	Logger
	Span opentracing.Span
}