61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
package cryptfs
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import (
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"encoding/json"
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"log"
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"log/syslog"
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"os"
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)
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func JSONDump(obj interface{}) string {
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b, err := json.MarshalIndent(obj, "", "\t")
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if err != nil {
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return err.Error()
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} else {
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return string(b)
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}
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}
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// toggledLogger - a Logger than can be enabled and disabled
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type toggledLogger struct {
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Enabled bool
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*log.Logger
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}
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func (l *toggledLogger) Printf(format string, v ...interface{}) {
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if !l.Enabled {
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return
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}
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l.Logger.Printf(format, v...)
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}
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func (l *toggledLogger) Println(v ...interface{}) {
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if !l.Enabled {
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return
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}
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l.Logger.Println(v...)
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}
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func (l *toggledLogger) SwitchToSyslog(p syslog.Priority) {
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w, err := syslog.New(p, PROGRAM_NAME)
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if err != nil {
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Warn.Printf("Cannot switch 0x%02x to syslog: %v", p, err)
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} else {
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l.SetOutput(w)
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}
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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 *toggledLogger
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// Informational message e.g. startup information
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var Info *toggledLogger
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// A warning, meaning nothing serious by itself but might indicate problems
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var Warn *toggledLogger
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func init() {
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Debug = &toggledLogger{false, log.New(os.Stdout, "", 0)}
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Info = &toggledLogger{true, log.New(os.Stdout, "", 0)}
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Warn = &toggledLogger{true, log.New(os.Stderr, "", 0)}
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}
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