make loadExistingVolume() return bool

This commit is contained in:
panyc16 2020-02-13 15:19:00 +08:00
parent 62c34454d8
commit 7b3764fd9e

View file

@ -50,29 +50,39 @@ func parseCollectionVolumeId(base string) (collection string, vid needle.VolumeI
return collection, vol, err
}
func (l *DiskLocation) loadExistingVolume(fileInfo os.FileInfo, needleMapKind NeedleMapType) {
func (l *DiskLocation) loadExistingVolume(fileInfo os.FileInfo, needleMapKind NeedleMapType) bool {
name := fileInfo.Name()
if !fileInfo.IsDir() && strings.HasSuffix(name, ".idx") {
vid, collection, err := l.volumeIdFromPath(fileInfo)
if err == nil {
l.volumesLock.RLock()
_, found := l.volumes[vid]
l.volumesLock.RUnlock()
if !found {
if v, e := NewVolume(l.Directory, collection, vid, needleMapKind, nil, nil, 0, 0); e == nil {
l.volumesLock.Lock()
l.volumes[vid] = v
l.volumesLock.Unlock()
size, _, _ := v.FileStat()
glog.V(0).Infof("data file %s, replicaPlacement=%s v=%d size=%d ttl=%s",
l.Directory+"/"+name, v.ReplicaPlacement, v.Version(), size, v.Ttl.String())
// println("volume", vid, "last append at", v.lastAppendAtNs)
} else {
glog.V(0).Infof("new volume %s error %s", name, e)
}
}
if err != nil {
glog.Warningf("get volume id failed, %s, err : %s", name, err)
return false
}
// void loading one volume more than once
l.volumesLock.RLock()
_, found := l.volumes[vid]
l.volumesLock.RUnlock()
if found {
glog.V(1).Infof("loaded volume, %v", vid)
return true
}
v, e := NewVolume(l.Directory, collection, vid, needleMapKind, nil, nil, 0, 0)
if e != nil {
glog.V(0).Infof("new volume %s error %s", name, e)
return false
}
l.volumesLock.Lock()
l.volumes[vid] = v
l.volumesLock.Unlock()
size, _, _ := v.FileStat()
glog.V(0).Infof("data file %s, replicaPlacement=%s v=%d size=%d ttl=%s",
l.Directory+"/"+name, v.ReplicaPlacement, v.Version(), size, v.Ttl.String())
return true
}
return false
}
func (l *DiskLocation) concurrentLoadingVolumes(needleMapKind NeedleMapType, concurrency int) {
@ -93,7 +103,7 @@ func (l *DiskLocation) concurrentLoadingVolumes(needleMapKind NeedleMapType, con
go func() {
defer wg.Done()
for dir := range task_queue {
l.loadExistingVolume(dir, needleMapKind)
_ = l.loadExistingVolume(dir, needleMapKind)
}
}()
}
@ -172,8 +182,7 @@ func (l *DiskLocation) deleteVolumeById(vid needle.VolumeId) (e error) {
func (l *DiskLocation) LoadVolume(vid needle.VolumeId, needleMapKind NeedleMapType) bool {
if fileInfo, found := l.LocateVolume(vid); found {
l.loadExistingVolume(fileInfo, needleMapKind)
return true
return l.loadExistingVolume(fileInfo, needleMapKind)
}
return false
}