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package filer2
import (
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
)
func (f *Filer) loopProcessingDeletion() {
ticker := time.NewTicker(5 * time.Second)
lookupFunc := func(vids []string) (map[string]operation.LookupResult, error) {
m := make(map[string]operation.LookupResult)
for _, vid := range vids {
locs := f.MasterClient.GetVidLocations(vid)
var locations []operation.Location
for _, loc := range locs {
locations = append(locations, operation.Location{
Url: loc.Url,
PublicUrl: loc.PublicUrl,
})
}
m[vid] = operation.LookupResult{
VolumeId: vid,
Locations: locations,
}
}
return m, nil
}
var fileIds []string
for {
select {
case fid := <-f.fileIdDeletionChan:
fileIds = append(fileIds, fid)
if len(fileIds) >= 4096 {
glog.V(1).Infof("deleting fileIds len=%d", len(fileIds))
operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, fileIds, lookupFunc)
fileIds = fileIds[:0]
}
case <-ticker.C:
if len(fileIds) > 0 {
glog.V(1).Infof("timed deletion fileIds len=%d", len(fileIds))
operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, fileIds, lookupFunc)
fileIds = fileIds[:0]
}
}
}
}
func (f *Filer) DeleteChunks(chunks []*filer_pb.FileChunk) {
for _, chunk := range chunks {
f.fileIdDeletionChan <- chunk.FileId
}
}
func (f *Filer) DeleteFileByFileId(fileId string) {
f.fileIdDeletionChan <- fileId
}
func (f *Filer) deleteChunksIfNotNew(oldEntry, newEntry *Entry) {
if oldEntry == nil {
return
}
if newEntry == nil {
f.DeleteChunks(oldEntry.Chunks)
}
var toDelete []*filer_pb.FileChunk
for _, oldChunk := range oldEntry.Chunks {
found := false
for _, newChunk := range newEntry.Chunks {
if oldChunk.FileId == newChunk.FileId {
found = true
break
}
}
if !found {
toDelete = append(toDelete, oldChunk)
}
}
f.DeleteChunks(toDelete)
}
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