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-rw-r--r--weed/util/log_buffer/log_buffer.go20
-rw-r--r--weed/util/log_buffer/log_buffer_test.go4
-rw-r--r--weed/util/log_buffer/log_read.go4
3 files changed, 14 insertions, 14 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
diff --git a/weed/util/log_buffer/log_buffer_test.go b/weed/util/log_buffer/log_buffer_test.go
index 91c520c63..ac46a096c 100644
--- a/weed/util/log_buffer/log_buffer_test.go
+++ b/weed/util/log_buffer/log_buffer_test.go
@@ -15,7 +15,7 @@ func TestNewLogBufferFirstBuffer(t *testing.T) {
flushInterval := time.Second
lb := NewLogBuffer("test", flushInterval, func(startTime, stopTime time.Time, buf []byte) {
fmt.Printf("flush from %v to %v %d bytes\n", startTime, stopTime, len(buf))
- }, func() {
+ }, nil, func() {
})
startTime := time.Now()
@@ -28,7 +28,7 @@ func TestNewLogBufferFirstBuffer(t *testing.T) {
wg.Add(1)
go func() {
defer wg.Done()
- lastProcessedTime, isDone, err := lb.LoopProcessLogData("test", startTime, false, 0, func() bool {
+ lastProcessedTime, isDone, err := lb.LoopProcessLogData("test", startTime, 0, func() bool {
// stop if no more messages
return receivedMessageCount < messageCount
}, func(logEntry *filer_pb.LogEntry) error {
diff --git a/weed/util/log_buffer/log_read.go b/weed/util/log_buffer/log_read.go
index fea9c3b39..6acd5a50f 100644
--- a/weed/util/log_buffer/log_read.go
+++ b/weed/util/log_buffer/log_read.go
@@ -29,7 +29,7 @@ func NewMessagePosition(tsNs int64, batchIndex int64) MessagePosition {
}
}
-func (logBuffer *LogBuffer) LoopProcessLogData(readerName string, startPosition MessagePosition, inMemoryOnly bool, stopTsNs int64,
+func (logBuffer *LogBuffer) LoopProcessLogData(readerName string, startPosition MessagePosition, stopTsNs int64,
waitForDataFn func() bool, eachLogDataFn func(logEntry *filer_pb.LogEntry) error) (lastReadPosition MessagePosition, isDone bool, err error) {
// loop through all messages
var bytesBuf *bytes.Buffer
@@ -48,7 +48,7 @@ func (logBuffer *LogBuffer) LoopProcessLogData(readerName string, startPosition
if bytesBuf != nil {
logBuffer.ReleaseMemory(bytesBuf)
}
- bytesBuf, batchIndex, err = logBuffer.ReadFromBuffer(lastReadPosition, inMemoryOnly)
+ bytesBuf, batchIndex, err = logBuffer.ReadFromBuffer(lastReadPosition)
if err == ResumeFromDiskError {
time.Sleep(1127 * time.Millisecond)
return lastReadPosition, isDone, ResumeFromDiskError