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88 lines
2.3 KiB
88 lines
2.3 KiB
package filer2
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import (
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"time"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/operation"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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)
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func (f *Filer) loopProcessingDeletion() {
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ticker := time.NewTicker(5 * time.Second)
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lookupFunc := func(vids []string) (map[string]operation.LookupResult, error) {
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m := make(map[string]operation.LookupResult)
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for _, vid := range vids {
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locs := f.MasterClient.GetVidLocations(vid)
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var locations []operation.Location
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for _, loc := range locs {
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locations = append(locations, operation.Location{
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Url: loc.Url,
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PublicUrl: loc.PublicUrl,
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})
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}
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m[vid] = operation.LookupResult{
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VolumeId: vid,
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Locations: locations,
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}
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}
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return m, nil
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}
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var fileIds []string
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for {
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select {
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case fid := <-f.fileIdDeletionChan:
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fileIds = append(fileIds, fid)
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if len(fileIds) >= 4096 {
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glog.V(1).Infof("deleting fileIds len=%d", len(fileIds))
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operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, fileIds, lookupFunc)
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fileIds = fileIds[:0]
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}
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case <-ticker.C:
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if len(fileIds) > 0 {
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glog.V(1).Infof("timed deletion fileIds len=%d", len(fileIds))
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operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, fileIds, lookupFunc)
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fileIds = fileIds[:0]
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}
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}
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}
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}
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func (f *Filer) DeleteChunks(fullpath FullPath, chunks []*filer_pb.FileChunk) {
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for _, chunk := range chunks {
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glog.V(3).Infof("deleting %s chunk %s", fullpath, chunk.String())
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f.fileIdDeletionChan <- chunk.GetFileIdString()
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}
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}
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// DeleteFileByFileId direct delete by file id.
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// Only used when the fileId is not being managed by snapshots.
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func (f *Filer) DeleteFileByFileId(fileId string) {
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f.fileIdDeletionChan <- fileId
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}
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func (f *Filer) deleteChunksIfNotNew(oldEntry, newEntry *Entry) {
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if oldEntry == nil {
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return
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}
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if newEntry == nil {
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f.DeleteChunks(oldEntry.FullPath, oldEntry.Chunks)
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}
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var toDelete []*filer_pb.FileChunk
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newChunkIds := make(map[string]bool)
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for _, newChunk := range newEntry.Chunks {
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newChunkIds[newChunk.GetFileIdString()] = true
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}
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for _, oldChunk := range oldEntry.Chunks {
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if _, found := newChunkIds[oldChunk.GetFileIdString()]; !found {
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toDelete = append(toDelete, oldChunk)
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}
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}
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f.DeleteChunks(oldEntry.FullPath, toDelete)
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}
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