diff options
Diffstat (limited to 'weed/util/log_buffer/log_buffer.go')
| -rw-r--r-- | weed/util/log_buffer/log_buffer.go | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/weed/util/log_buffer/log_buffer.go b/weed/util/log_buffer/log_buffer.go index dc61e44ce..8c96c594e 100644 --- a/weed/util/log_buffer/log_buffer.go +++ b/weed/util/log_buffer/log_buffer.go @@ -22,7 +22,9 @@ type dataToFlush struct { data *bytes.Buffer } +type EachLogEntryFuncType func(logEntry *filer_pb.LogEntry) error type LogFlushFuncType func(startTime, stopTime time.Time, buf []byte) +type LogReadFromDiskFuncType func(startPosition MessagePosition, stopTsNs int64, eachLogEntryFn EachLogEntryFuncType) (lastReadPosition MessagePosition, isDone bool, err error) type LogBuffer struct { name string @@ -36,15 +38,17 @@ type LogBuffer struct { lastFlushTime time.Time sizeBuf []byte flushInterval time.Duration - flushFn LogFlushFuncType - notifyFn func() + flushFn LogFlushFuncType + ReadFromDiskFn LogReadFromDiskFuncType + notifyFn func() isStopping *atomic.Bool flushChan chan *dataToFlush lastTsNs int64 sync.RWMutex } -func NewLogBuffer(name string, flushInterval time.Duration, flushFn LogFlushFuncType, notifyFn func()) *LogBuffer { +func NewLogBuffer(name string, flushInterval time.Duration, flushFn LogFlushFuncType, + readFromDiskFn LogReadFromDiskFuncType, notifyFn func()) *LogBuffer { lb := &LogBuffer{ name: name, prevBuffers: newSealedBuffers(PreviousBufferCount), @@ -52,6 +56,7 @@ func NewLogBuffer(name string, flushInterval time.Duration, flushFn LogFlushFunc sizeBuf: make([]byte, 4), flushInterval: flushInterval, flushFn: flushFn, + ReadFromDiskFn: readFromDiskFn, notifyFn: notifyFn, flushChan: make(chan *dataToFlush, 256), isStopping: new(atomic.Bool), @@ -104,7 +109,7 @@ func (logBuffer *LogBuffer) AddToBuffer(partitionKey, data []byte, processingTsN } if logBuffer.startTime.Add(logBuffer.flushInterval).Before(ts) || len(logBuffer.buf)-logBuffer.pos < size+4 { - glog.V(0).Infof("%s copyToFlush1 batch:%d count:%d start time %v, ts %v, remaining %d bytes", logBuffer.name, logBuffer.batchIndex, len(logBuffer.idx), logBuffer.startTime, ts, len(logBuffer.buf)-logBuffer.pos) + // glog.V(0).Infof("%s copyToFlush1 batch:%d count:%d start time %v, ts %v, remaining %d bytes", logBuffer.name, logBuffer.batchIndex, len(logBuffer.idx), logBuffer.startTime, ts, len(logBuffer.buf)-logBuffer.pos) toFlush = logBuffer.copyToFlush() logBuffer.startTime = ts if len(logBuffer.buf) < size+4 { @@ -209,7 +214,7 @@ func (d *dataToFlush) releaseMemory() { bufferPool.Put(d.data) } -func (logBuffer *LogBuffer) ReadFromBuffer(lastReadPosition MessagePosition, inMemoryOnly bool) (bufferCopy *bytes.Buffer, batchIndex int64, err error) { +func (logBuffer *LogBuffer) ReadFromBuffer(lastReadPosition MessagePosition) (bufferCopy *bytes.Buffer, batchIndex int64, err error) { logBuffer.RLock() defer logBuffer.RUnlock() @@ -238,11 +243,6 @@ func (logBuffer *LogBuffer) ReadFromBuffer(lastReadPosition MessagePosition, inM println("2.2 no data") return nil, -2,nil } else if lastReadPosition.Before(tsMemory) && lastReadPosition.BatchIndex +1 < tsBatchIndex { // case 2.3 - if inMemoryOnly { - println("2.3 no data", lastReadPosition.BatchIndex, tsBatchIndex) - // FIXME: this is wrong: the data has been flushed to disk already - return nil, tsBatchIndex,nil - } if !logBuffer.lastFlushTime.IsZero() { glog.V(0).Infof("resume with last flush time: %v", logBuffer.lastFlushTime) return nil, -2, ResumeFromDiskError |