69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package cryptfs
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import (
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"fmt"
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"strings"
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"encoding/json"
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)
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type logChannel struct {
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enabled bool
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}
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func (l *logChannel) Printf(format string, args ...interface{}) {
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if l.enabled == true {
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fmt.Printf(format, args...)
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}
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}
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func (l *logChannel) Println(s string) {
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if l.enabled == true {
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fmt.Println(s)
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}
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}
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func (l *logChannel) Dump(d []byte) {
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s := string(d)
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fmt.Println(strings.Replace(s, "\000", "\\0", -1))
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}
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func (l *logChannel) JSONDump(obj interface{}) {
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if !l.enabled {
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return
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}
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b, err := json.MarshalIndent(obj, "", "\t")
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if err != nil {
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fmt.Println(err)
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} else {
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fmt.Println(string(b))
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}
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}
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func (l *logChannel) Enable() {
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l.enabled = true
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}
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func (l *logChannel) Disable() {
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l.enabled = false
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}
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// Only actually calculate the md5sum if the log channel is enabled to save
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// CPU cycles
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func (l *logChannel) Md5sum(buf []byte) string {
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if l.enabled == false {
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return "disabled"
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}
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return md5sum(buf)
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}
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// As defined by http://elinux.org/Debugging_by_printing#Log_Levels
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// Debug messages
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var Debug = logChannel{false}
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// Informational message e.g. startup information
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var Info = logChannel{true}
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// A warning, meaning nothing serious by itself but might indicate problems
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var Warn = logChannel{true}
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