rss-tools/vendor/go.etcd.io/bbolt/logger.go (view raw)
| 1 | package bbolt |
| 2 | |
| 3 | // See https://github.com/etcd-io/raft/blob/main/logger.go |
| 4 | import ( |
| 5 | "fmt" |
| 6 | "io" |
| 7 | "log" |
| 8 | "os" |
| 9 | ) |
| 10 | |
| 11 | type Logger interface { |
| 12 | Debug(v ...interface{}) |
| 13 | Debugf(format string, v ...interface{}) |
| 14 | |
| 15 | Error(v ...interface{}) |
| 16 | Errorf(format string, v ...interface{}) |
| 17 | |
| 18 | Info(v ...interface{}) |
| 19 | Infof(format string, v ...interface{}) |
| 20 | |
| 21 | Warning(v ...interface{}) |
| 22 | Warningf(format string, v ...interface{}) |
| 23 | |
| 24 | Fatal(v ...interface{}) |
| 25 | Fatalf(format string, v ...interface{}) |
| 26 | |
| 27 | Panic(v ...interface{}) |
| 28 | Panicf(format string, v ...interface{}) |
| 29 | } |
| 30 | |
| 31 | func getDiscardLogger() Logger { |
| 32 | return discardLogger |
| 33 | } |
| 34 | |
| 35 | var ( |
| 36 | discardLogger = &DefaultLogger{Logger: log.New(io.Discard, "", 0)} |
| 37 | ) |
| 38 | |
| 39 | const ( |
| 40 | calldepth = 2 |
| 41 | ) |
| 42 | |
| 43 | // DefaultLogger is a default implementation of the Logger interface. |
| 44 | type DefaultLogger struct { |
| 45 | *log.Logger |
| 46 | debug bool |
| 47 | } |
| 48 | |
| 49 | func (l *DefaultLogger) EnableTimestamps() { |
| 50 | l.SetFlags(l.Flags() | log.Ldate | log.Ltime) |
| 51 | } |
| 52 | |
| 53 | func (l *DefaultLogger) EnableDebug() { |
| 54 | l.debug = true |
| 55 | } |
| 56 | |
| 57 | func (l *DefaultLogger) Debug(v ...interface{}) { |
| 58 | if l.debug { |
| 59 | _ = l.Output(calldepth, header("DEBUG", fmt.Sprint(v...))) |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | func (l *DefaultLogger) Debugf(format string, v ...interface{}) { |
| 64 | if l.debug { |
| 65 | _ = l.Output(calldepth, header("DEBUG", fmt.Sprintf(format, v...))) |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | func (l *DefaultLogger) Info(v ...interface{}) { |
| 70 | _ = l.Output(calldepth, header("INFO", fmt.Sprint(v...))) |
| 71 | } |
| 72 | |
| 73 | func (l *DefaultLogger) Infof(format string, v ...interface{}) { |
| 74 | _ = l.Output(calldepth, header("INFO", fmt.Sprintf(format, v...))) |
| 75 | } |
| 76 | |
| 77 | func (l *DefaultLogger) Error(v ...interface{}) { |
| 78 | _ = l.Output(calldepth, header("ERROR", fmt.Sprint(v...))) |
| 79 | } |
| 80 | |
| 81 | func (l *DefaultLogger) Errorf(format string, v ...interface{}) { |
| 82 | _ = l.Output(calldepth, header("ERROR", fmt.Sprintf(format, v...))) |
| 83 | } |
| 84 | |
| 85 | func (l *DefaultLogger) Warning(v ...interface{}) { |
| 86 | _ = l.Output(calldepth, header("WARN", fmt.Sprint(v...))) |
| 87 | } |
| 88 | |
| 89 | func (l *DefaultLogger) Warningf(format string, v ...interface{}) { |
| 90 | _ = l.Output(calldepth, header("WARN", fmt.Sprintf(format, v...))) |
| 91 | } |
| 92 | |
| 93 | func (l *DefaultLogger) Fatal(v ...interface{}) { |
| 94 | _ = l.Output(calldepth, header("FATAL", fmt.Sprint(v...))) |
| 95 | os.Exit(1) |
| 96 | } |
| 97 | |
| 98 | func (l *DefaultLogger) Fatalf(format string, v ...interface{}) { |
| 99 | _ = l.Output(calldepth, header("FATAL", fmt.Sprintf(format, v...))) |
| 100 | os.Exit(1) |
| 101 | } |
| 102 | |
| 103 | func (l *DefaultLogger) Panic(v ...interface{}) { |
| 104 | l.Logger.Panic(v...) |
| 105 | } |
| 106 | |
| 107 | func (l *DefaultLogger) Panicf(format string, v ...interface{}) { |
| 108 | l.Logger.Panicf(format, v...) |
| 109 | } |
| 110 | |
| 111 | func header(lvl, msg string) string { |
| 112 | return fmt.Sprintf("%s: %s", lvl, msg) |
| 113 | } |