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stop when on disk log is done

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This commit is contained in:
chrislu 2022-05-30 15:20:51 -07:00
parent a2b101a737
commit aece35a64f
2 changed files with 15 additions and 7 deletions
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10
weed/filer/filer_notify.go
View file

@ -108,7 +108,7 @@ func (f *Filer) logFlushFunc(startTime, stopTime time.Time, buf []byte) {
}
}
func (f *Filer) ReadPersistedLogBuffer(startTime time.Time, stopTsNs int64, eachLogEntryFn func(logEntry *filer_pb.LogEntry) error) (lastTsNs int64, err error) {
func (f *Filer) ReadPersistedLogBuffer(startTime time.Time, stopTsNs int64, eachLogEntryFn func(logEntry *filer_pb.LogEntry) error) (lastTsNs int64, isDone bool, err error) {
startTime = startTime.UTC()
startDate := fmt.Sprintf("%04d-%02d-%02d", startTime.Year(), startTime.Month(), startTime.Day())
@ -125,7 +125,7 @@ func (f *Filer) ReadPersistedLogBuffer(startTime time.Time, stopTsNs int64, each
dayEntries, _, listDayErr := f.ListDirectoryEntries(context.Background(), SystemLogDir, startDate, true, math.MaxInt32, "", "", "")
if listDayErr != nil {
return lastTsNs, fmt.Errorf("fail to list log by day: %v", listDayErr)
return lastTsNs, isDone, fmt.Errorf("fail to list log by day: %v", listDayErr)
}
for _, dayEntry := range dayEntries {
if stopDate != "" {
@ -136,7 +136,7 @@ func (f *Filer) ReadPersistedLogBuffer(startTime time.Time, stopTsNs int64, each
// println("checking day", dayEntry.FullPath)
hourMinuteEntries, _, listHourMinuteErr := f.ListDirectoryEntries(context.Background(), util.NewFullPath(SystemLogDir, dayEntry.Name()), "", false, math.MaxInt32, "", "", "")
if listHourMinuteErr != nil {
return lastTsNs, fmt.Errorf("fail to list log %s by day: %v", dayEntry.Name(), listHourMinuteErr)
return lastTsNs, isDone, fmt.Errorf("fail to list log %s by day: %v", dayEntry.Name(), listHourMinuteErr)
}
for _, hourMinuteEntry := range hourMinuteEntries {
// println("checking hh-mm", hourMinuteEntry.FullPath)
@ -159,13 +159,13 @@ func (f *Filer) ReadPersistedLogBuffer(startTime time.Time, stopTsNs int64, each
if err == io.EOF {
continue
}
return lastTsNs, fmt.Errorf("reading %s: %v", hourMinuteEntry.FullPath, err)
return lastTsNs, isDone, fmt.Errorf("reading %s: %v", hourMinuteEntry.FullPath, err)
}
chunkedFileReader.Close()
}
}
return lastTsNs, nil
return lastTsNs, isDone, nil
}
func ReadEachLogEntry(r io.Reader, sizeBuf []byte, startTsNs, stopTsNs int64, eachLogEntryFn func(logEntry *filer_pb.LogEntry) error) (lastTsNs int64, err error) {

12
weed/server/filer_grpc_server_sub_meta.go
View file

@ -39,15 +39,19 @@ func (fs *FilerServer) SubscribeMetadata(req *filer_pb.SubscribeMetadataRequest,
var processedTsNs int64
var readPersistedLogErr error
var readInMemoryLogErr error
var isDone bool
for {
glog.V(4).Infof("read on disk %v aggregated subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
processedTsNs, readPersistedLogErr = fs.filer.ReadPersistedLogBuffer(lastReadTime, req.UntilNs, eachLogEntryFn)
processedTsNs, isDone, readPersistedLogErr = fs.filer.ReadPersistedLogBuffer(lastReadTime, req.UntilNs, eachLogEntryFn)
if readPersistedLogErr != nil {
return fmt.Errorf("reading from persisted logs: %v", readPersistedLogErr)
}
if isDone {
return nil
}
if processedTsNs != 0 {
lastReadTime = time.Unix(0, processedTsNs)
@ -98,15 +102,19 @@ func (fs *FilerServer) SubscribeLocalMetadata(req *filer_pb.SubscribeMetadataReq
var processedTsNs int64
var readPersistedLogErr error
var readInMemoryLogErr error
var isDone bool
for {
// println("reading from persisted logs ...")
glog.V(0).Infof("read on disk %v local subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
processedTsNs, readPersistedLogErr = fs.filer.ReadPersistedLogBuffer(lastReadTime, req.UntilNs, eachLogEntryFn)
processedTsNs, isDone, readPersistedLogErr = fs.filer.ReadPersistedLogBuffer(lastReadTime, req.UntilNs, eachLogEntryFn)
if readPersistedLogErr != nil {
glog.V(0).Infof("read on disk %v local subscribe %s from %+v: %v", clientName, req.PathPrefix, lastReadTime, readPersistedLogErr)
return fmt.Errorf("reading from persisted logs: %v", readPersistedLogErr)
}
if isDone {
return nil
}
if processedTsNs != 0 {
lastReadTime = time.Unix(0, processedTsNs)