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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| package clock | ||
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| import "time" | ||
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| type Clock interface { | ||
| Now() time.Time | ||
| Since(time.Time) time.Duration | ||
| } | ||
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| var Real Clock = realClock{} | ||
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| type realClock struct{} | ||
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| // Now returns the current time. | ||
| func (realClock) Now() time.Time { | ||
| return time.Now() | ||
| } | ||
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| // Since returns time since the specified timestamp. | ||
| func (realClock) Since(ts time.Time) time.Duration { | ||
| return time.Since(ts) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| package testing | ||
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| import ( | ||
| "sync" | ||
| "time" | ||
| ) | ||
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| type FakeClock struct { | ||
| mu sync.RWMutex | ||
| t time.Time | ||
| } | ||
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| func NewFakeClock(t time.Time) *FakeClock { | ||
| return &FakeClock{t: t} | ||
| } | ||
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| // Now returns f's time. | ||
| func (f *FakeClock) Now() time.Time { | ||
| f.mu.RLock() | ||
| defer f.mu.RUnlock() | ||
| return f.t | ||
| } | ||
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| // Since returns time since the time in f. | ||
| func (f *FakeClock) Since(t time.Time) time.Duration { | ||
| f.mu.RLock() | ||
| defer f.mu.RUnlock() | ||
| return f.t.Sub(t) | ||
| } | ||
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| // SetTime sets the time on the FakeClock. | ||
| func (f *FakeClock) SetTime(t time.Time) { | ||
| f.mu.Lock() | ||
| defer f.mu.Unlock() | ||
| f.t = t | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package log | ||
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| import ( | ||
| "bytes" | ||
| "sync" | ||
| ) | ||
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| var bufferPool = sync.Pool{New: func() any { return new([]byte) }} | ||
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| func getBuffer() *[]byte { | ||
| p := bufferPool.Get().(*[]byte) | ||
| *p = (*p)[:0] | ||
| return p | ||
| } | ||
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| func putBuffer(p *[]byte) { | ||
| if cap(*p) > 64<<10 { | ||
| *p = nil | ||
| } | ||
| bufferPool.Put(p) | ||
| } | ||
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| var bytesBufferPool = sync.Pool{ | ||
| New: func() any { | ||
| return new(bytes.Buffer) | ||
| }, | ||
| } | ||
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| // Cheap integer to fixed-width decimal ASCII. Give a negative width to avoid zero-padding. | ||
| func itoa(buf *[]byte, i int, wid int) { | ||
| // Assemble decimal in reverse order. | ||
| var b [20]byte | ||
| bp := len(b) - 1 | ||
| for i >= 10 || wid > 1 { | ||
| wid-- | ||
| q := i / 10 | ||
| b[bp] = byte('0' + i - q*10) | ||
| bp-- | ||
| i = q | ||
| } | ||
| // i < 10 | ||
| b[bp] = byte('0' + i) | ||
| *buf = append(*buf, b[bp:]...) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package log | ||
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| import ( | ||
| "time" | ||
| ) | ||
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| const ( | ||
| y1 = `0123456789` | ||
| y2 = `0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789` | ||
| y3 = `0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999` | ||
| y4 = `0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789` | ||
| mo1 = `000000000111` | ||
| mo2 = `123456789012` | ||
| d1 = `0000000001111111111222222222233` | ||
| d2 = `1234567890123456789012345678901` | ||
| h1 = `000000000011111111112222` | ||
| h2 = `012345678901234567890123` | ||
| mi1 = `000000000011111111112222222222333333333344444444445555555555` | ||
| mi2 = `012345678901234567890123456789012345678901234567890123456789` | ||
| s1 = `000000000011111111112222222222333333333344444444445555555555` | ||
| s2 = `012345678901234567890123456789012345678901234567890123456789` | ||
| ns1 = `0123456789` | ||
| ) | ||
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| const logTimeFormat = "2006-01-02 15:04:05.000" | ||
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| func formatTimeHeader(when time.Time, buf []byte) (int, int) { | ||
| if len(buf) < 23 { | ||
| return 0, 0 | ||
| } | ||
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| y, mo, d := when.Date() | ||
| h, mi, s := when.Clock() | ||
| ns := when.Nanosecond() / 1000000 | ||
| // len("2006/01/02 15:04:05.000") == 23 | ||
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| buf[0] = y1[y/1000%10] | ||
| buf[1] = y2[y/100] | ||
| buf[2] = y3[y-y/100*100] | ||
| buf[3] = y4[y-y/100*100] | ||
| buf[4] = '-' | ||
| buf[5] = mo1[mo-1] | ||
| buf[6] = mo2[mo-1] | ||
| buf[7] = '-' | ||
| buf[8] = d1[d-1] | ||
| buf[9] = d2[d-1] | ||
| buf[10] = ' ' | ||
| buf[11] = h1[h] | ||
| buf[12] = h2[h] | ||
| buf[13] = ':' | ||
| buf[14] = mi1[mi] | ||
| buf[15] = mi2[mi] | ||
| buf[16] = ':' | ||
| buf[17] = s1[s] | ||
| buf[18] = s2[s] | ||
| buf[19] = '.' | ||
| buf[20] = ns1[ns/100] | ||
| buf[21] = ns1[ns%100/10] | ||
| buf[22] = ns1[ns%10] | ||
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| return d, h | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| package log | ||
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| var DefaultLogger = New() | ||
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| func Trace(args ...interface{}) { | ||
| DefaultLogger.log(TraceLevel, "", args...) | ||
| } | ||
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| func Debug(args ...interface{}) { | ||
| DefaultLogger.log(DebugLevel, "", args...) | ||
| } | ||
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| func Info(args ...interface{}) { | ||
| DefaultLogger.log(InfoLevel, "", args...) | ||
| } | ||
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| func Warn(args ...interface{}) { | ||
| DefaultLogger.log(WarnLevel, "", args...) | ||
| } | ||
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| func Error(args ...interface{}) { | ||
| DefaultLogger.log(ErrorLevel, "", args...) | ||
| } | ||
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| func Tracef(msg string, args ...interface{}) { | ||
| DefaultLogger.log(TraceLevel, msg, args...) | ||
| } | ||
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| func Debugf(msg string, args ...interface{}) { | ||
| DefaultLogger.log(DebugLevel, msg, args...) | ||
| } | ||
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| func Infof(msg string, args ...interface{}) { | ||
| DefaultLogger.log(InfoLevel, msg, args...) | ||
| } | ||
|
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| func Warnf(msg string, args ...interface{}) { | ||
| DefaultLogger.log(WarnLevel, msg, args...) | ||
| } | ||
|
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| func Errorf(msg string, args ...interface{}) { | ||
| DefaultLogger.log(ErrorLevel, msg, args...) | ||
| } |
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