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path: root/cryptfs/log.go
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package cryptfs

import (
	"fmt"
	"strings"
)

type logChannel struct {
	enabled bool
}

func (l *logChannel) Printf(format string, args ...interface{}) {
	if l.enabled == true {
		fmt.Printf(format, args...)
	}
}

func (l *logChannel) Println(s string) {
	if l.enabled == true {
		fmt.Println(s)
	}
}

func (l *logChannel) Dump(d []byte) {
	s := string(d)
	fmt.Println(strings.Replace(s, "\000", "\\0", -1))
}

func (l *logChannel) Enable() {
	l.enabled = true
}

// Only actually calculate the md5sum if the log channel is enabled to save
// CPU cycles
func (l *logChannel) Md5sum(buf []byte) string {
	if l.enabled == false {
		return ""
	}
	return md5sum(buf)
}

var Debug = logChannel{false}
var Notice = logChannel{true}
var Warn = logChannel{true}