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102 lines
3.1 KiB
102 lines
3.1 KiB
package filer2
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import (
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"context"
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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)
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func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p FullPath, isRecursive bool, ignoreRecursiveError, shouldDeleteChunks bool) (err error) {
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if p == "/" {
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return nil
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}
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entry, findErr := f.FindEntry(ctx, p)
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if findErr != nil {
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return findErr
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}
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var chunks []*filer_pb.FileChunk
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chunks = append(chunks, entry.Chunks...)
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if entry.IsDirectory() {
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// delete the folder children, not including the folder itself
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var dirChunks []*filer_pb.FileChunk
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dirChunks, err = f.doBatchDeleteFolderMetaAndData(ctx, entry, isRecursive, ignoreRecursiveError, shouldDeleteChunks)
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if err != nil {
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return fmt.Errorf("delete directory %s: %v", p, err)
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}
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chunks = append(chunks, dirChunks...)
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f.cacheDelDirectory(string(p))
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}
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// delete the file or folder
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err = f.doDeleteEntryMetaAndData(ctx, entry, shouldDeleteChunks)
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if err != nil {
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return fmt.Errorf("delete file %s: %v", p, err)
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}
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if shouldDeleteChunks {
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go f.DeleteChunks(chunks)
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}
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return nil
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}
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func (f *Filer) doBatchDeleteFolderMetaAndData(ctx context.Context, entry *Entry, isRecursive bool, ignoreRecursiveError, shouldDeleteChunks bool) (chunks []*filer_pb.FileChunk, err error) {
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lastFileName := ""
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includeLastFile := false
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for {
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entries, err := f.ListDirectoryEntries(ctx, entry.FullPath, lastFileName, includeLastFile, PaginationSize)
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if err != nil {
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glog.Errorf("list folder %s: %v", entry.FullPath, err)
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return nil, fmt.Errorf("list folder %s: %v", entry.FullPath, err)
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}
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if lastFileName == "" && !isRecursive && len(entries) > 0 {
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// only for first iteration in the loop
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return nil, fmt.Errorf("fail to delete non-empty folder: %s", entry.FullPath)
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}
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for _, sub := range entries {
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lastFileName = sub.Name()
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var dirChunks []*filer_pb.FileChunk
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if sub.IsDirectory() {
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dirChunks, err = f.doBatchDeleteFolderMetaAndData(ctx, sub, isRecursive, ignoreRecursiveError, shouldDeleteChunks)
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chunks = append(chunks, dirChunks...)
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} else {
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chunks = append(chunks, sub.Chunks...)
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}
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if err != nil && !ignoreRecursiveError {
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return nil, err
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}
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}
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if len(entries) < PaginationSize {
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break
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}
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}
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f.cacheDelDirectory(string(entry.FullPath))
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glog.V(3).Infof("deleting directory %v delete %d chunks: %v", entry.FullPath, len(chunks), shouldDeleteChunks)
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if storeDeletionErr := f.store.DeleteFolderChildren(ctx, entry.FullPath); storeDeletionErr != nil {
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return nil, fmt.Errorf("filer store delete: %v", storeDeletionErr)
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}
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f.NotifyUpdateEvent(entry, nil, shouldDeleteChunks)
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return chunks, nil
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}
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func (f *Filer) doDeleteEntryMetaAndData(ctx context.Context, entry *Entry, shouldDeleteChunks bool) (err error) {
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glog.V(3).Infof("deleting entry %v, delete chunks: %v", entry.FullPath, shouldDeleteChunks)
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if storeDeletionErr := f.store.DeleteEntry(ctx, entry.FullPath); storeDeletionErr != nil {
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return fmt.Errorf("filer store delete: %v", storeDeletionErr)
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}
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f.NotifyUpdateEvent(entry, nil, shouldDeleteChunks)
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return nil
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}
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