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add stream list directory entries

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This commit is contained in:
Chris Lu 2021-01-15 23:56:24 -08:00
parent 01dc8a43ba
commit a4063a5437
20 changed files with 267 additions and 242 deletions
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21
weed/filer/abstract_sql/abstract_sql_store.go
View file

@ -172,7 +172,7 @@ func (store *AbstractSqlStore) DeleteFolderChildren(ctx context.Context, fullpat
return nil
}
func (store *AbstractSqlStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
func (store *AbstractSqlStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
sqlText := store.SqlListExclusive
if includeStartFile {
sqlText = store.SqlListInclusive
@ -180,7 +180,7 @@ func (store *AbstractSqlStore) ListDirectoryPrefixedEntries(ctx context.Context,
rows, err := store.getTxOrDB(ctx).QueryContext(ctx, sqlText, util.HashStringToLong(string(dirPath)), startFileName, string(dirPath), prefix+"%", limit+1)
if err != nil {
return nil, false, fmt.Errorf("list %s : %v", dirPath, err)
return lastFileName, fmt.Errorf("list %s : %v", dirPath, err)
}
defer rows.Close()
@ -189,30 +189,29 @@ func (store *AbstractSqlStore) ListDirectoryPrefixedEntries(ctx context.Context,
var data []byte
if err = rows.Scan(&name, &data); err != nil {
glog.V(0).Infof("scan %s : %v", dirPath, err)
return nil, false, fmt.Errorf("scan %s: %v", dirPath, err)
return lastFileName, fmt.Errorf("scan %s: %v", dirPath, err)
}
lastFileName = name
entry := &filer.Entry{
FullPath: util.NewFullPath(string(dirPath), name),
}
if err = entry.DecodeAttributesAndChunks(util.MaybeDecompressData(data)); err != nil {
glog.V(0).Infof("scan decode %s : %v", entry.FullPath, err)
return nil, false, fmt.Errorf("scan decode %s : %v", entry.FullPath, err)
return lastFileName, fmt.Errorf("scan decode %s : %v", entry.FullPath, err)
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
hasMore = int64(len(entries)) == limit+1
if hasMore {
entries = entries[:limit]
}
return entries, hasMore, nil
return lastFileName, nil
}
func (store *AbstractSqlStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "")
func (store *AbstractSqlStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "", nil)
}
func (store *AbstractSqlStore) Shutdown() {

18
weed/filer/cassandra/cassandra_store.go
View file

@ -168,11 +168,11 @@ func (store *CassandraStore) DeleteFolderChildren(ctx context.Context, fullpath
return nil
}
func (store *CassandraStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
return nil, false, filer.ErrUnsupportedListDirectoryPrefixed
func (store *CassandraStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return lastFileName, filer.ErrUnsupportedListDirectoryPrefixed
}
func (store *CassandraStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
func (store *CassandraStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
if _, ok := store.isSuperLargeDirectory(string(dirPath)); ok {
return // nil, filer.ErrUnsupportedSuperLargeDirectoryListing
@ -190,23 +190,21 @@ func (store *CassandraStore) ListDirectoryEntries(ctx context.Context, dirPath u
entry := &filer.Entry{
FullPath: util.NewFullPath(string(dirPath), name),
}
lastFileName = name
if decodeErr := entry.DecodeAttributesAndChunks(util.MaybeDecompressData(data)); decodeErr != nil {
err = decodeErr
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
if err := iter.Close(); err != nil {
glog.V(0).Infof("list iterator close: %v", err)
}
hasMore = int64(len(entries)) == limit+1
if hasMore {
entries = entries[:limit]
}
return entries, hasMore, err
return lastFileName, err
}
func (store *CassandraStore) Shutdown() {

58
weed/filer/elastic/v7/elastic_store.go
View file

@ -96,8 +96,8 @@ func (store *ElasticStore) RollbackTransaction(ctx context.Context) error {
return nil
}
func (store *ElasticStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
return nil, false, filer.ErrUnsupportedListDirectoryPrefixed
func (store *ElasticStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return lastFileName, filer.ErrUnsupportedListDirectoryPrefixed
}
func (store *ElasticStore) InsertEntry(ctx context.Context, entry *filer.Entry) (err error) {
@ -187,26 +187,28 @@ func (store *ElasticStore) deleteEntry(ctx context.Context, index, id string) (e
}
func (store *ElasticStore) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath) (err error) {
if entries, _, err := store.ListDirectoryEntries(ctx, fullpath, "", false, math.MaxInt32); err == nil {
for _, entry := range entries {
store.DeleteEntry(ctx, entry.FullPath)
_, err = store.ListDirectoryEntries(ctx, fullpath, "", false, math.MaxInt32, func(entry *filer.Entry) bool {
if err := store.DeleteEntry(ctx, entry.FullPath); err != nil {
glog.Errorf("elastic delete %s: %v.", entry.FullPath, err)
return false
}
}
return nil
return true
})
return
}
func (store *ElasticStore) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
func (store *ElasticStore) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
if string(dirPath) == "/" {
return store.listRootDirectoryEntries(ctx, startFileName, includeStartFile, limit)
return store.listRootDirectoryEntries(ctx, startFileName, includeStartFile, limit, eachEntryFunc)
}
return store.listDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit)
return store.listDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit, eachEntryFunc)
}
func (store *ElasticStore) listRootDirectoryEntries(ctx context.Context, startFileName string, inclusive bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
func (store *ElasticStore) listRootDirectoryEntries(ctx context.Context, startFileName string, inclusive bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
indexResult, err := store.client.CatIndices().Do(ctx)
if err != nil {
glog.Errorf("list indices %v.", err)
return entries, false, err
return
}
for _, index := range indexResult {
if index.Index == indexKV {
@ -216,32 +218,33 @@ func (store *ElasticStore) listRootDirectoryEntries(ctx context.Context, startFi
if entry, err := store.FindEntry(ctx,
weed_util.FullPath("/"+strings.Replace(index.Index, indexPrefix, "", 1))); err == nil {
fileName := getFileName(entry.FullPath)
lastFileName = fileName
if fileName == startFileName && !inclusive {
continue
}
limit--
if limit < 0 {
hasMore = true
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
}
return entries, hasMore, nil
}
return
}
func (store *ElasticStore) listDirectoryEntries(
ctx context.Context, fullpath weed_util.FullPath, startFileName string, inclusive bool, limit int64,
) (entries []*filer.Entry, hasMore bool, err error) {
ctx context.Context, fullpath weed_util.FullPath, startFileName string, inclusive bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
first := true
index := getIndex(fullpath)
nextStart := ""
parentId := weed_util.Md5String([]byte(fullpath))
if _, err := store.client.Refresh(index).Do(ctx); err != nil {
if _, err = store.client.Refresh(index).Do(ctx); err != nil {
if elastic.IsNotFound(err) {
store.client.CreateIndex(index).Do(ctx)
return entries, hasMore, nil
return
}
}
for {
@ -249,7 +252,7 @@ func (store *ElasticStore) listDirectoryEntries(
if (startFileName == "" && first) || inclusive {
if result, err = store.search(ctx, index, parentId); err != nil {
glog.Errorf("search (%s,%s,%t,%d) %v.", string(fullpath), startFileName, inclusive, limit, err)
return entries, hasMore, err
return
}
} else {
fullPath := string(fullpath) + "/" + startFileName
@ -259,7 +262,7 @@ func (store *ElasticStore) listDirectoryEntries(
after := weed_util.Md5String([]byte(fullPath))
if result, err = store.searchAfter(ctx, index, parentId, after); err != nil {
glog.Errorf("searchAfter (%s,%s,%t,%d) %v.", string(fullpath), startFileName, inclusive, limit, err)
return entries, hasMore, err
return
}
}
first = false
@ -271,22 +274,21 @@ func (store *ElasticStore) listDirectoryEntries(
if err := jsoniter.Unmarshal(hit.Source, esEntry); err == nil {
limit--
if limit < 0 {
hasMore = true
return entries, hasMore, nil
return lastFileName, nil
}
nextStart = string(esEntry.Entry.FullPath)
fileName := getFileName(esEntry.Entry.FullPath)
lastFileName = fileName
if fileName == startFileName && !inclusive {
continue
}
entries = append(entries, esEntry.Entry)
}
}
if len(result.Hits.Hits) < store.maxPageSize {
if !eachEntryFunc(esEntry.Entry) {
break
}
}
return entries, hasMore, nil
}
}
return
}
func (store *ElasticStore) search(ctx context.Context, index, parentId string) (result *elastic.SearchResult, err error) {

16
weed/filer/etcd/etcd_store.go
View file

@ -139,17 +139,17 @@ func (store *EtcdStore) DeleteFolderChildren(ctx context.Context, fullpath weed_
return nil
}
func (store *EtcdStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
return nil, false, filer.ErrUnsupportedListDirectoryPrefixed
func (store *EtcdStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return lastFileName, filer.ErrUnsupportedListDirectoryPrefixed
}
func (store *EtcdStore) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
func (store *EtcdStore) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
directoryPrefix := genDirectoryKeyPrefix(dirPath, "")
resp, err := store.client.Get(ctx, string(directoryPrefix),
clientv3.WithPrefix(), clientv3.WithSort(clientv3.SortByKey, clientv3.SortDescend))
if err != nil {
return nil, false, fmt.Errorf("list %s : %v", dirPath, err)
return lastFileName, fmt.Errorf("list %s : %v", dirPath, err)
}
for _, kv := range resp.Kvs {
@ -160,9 +160,9 @@ func (store *EtcdStore) ListDirectoryEntries(ctx context.Context, dirPath weed_u
if fileName == startFileName && !includeStartFile {
continue
}
lastFileName = fileName
limit--
if limit < 0 {
hasMore = true
break
}
entry := &filer.Entry{
@ -173,10 +173,12 @@ func (store *EtcdStore) ListDirectoryEntries(ctx context.Context, dirPath weed_u
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
return entries, hasMore, err
return lastFileName, err
}
func genKey(dirPath, fileName string) (key []byte) {

17
weed/filer/filer.go
View file

@ -281,22 +281,19 @@ func (f *Filer) FindEntry(ctx context.Context, p util.FullPath) (entry *Entry, e
}
func (f *Filer) doListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string) (entries []*Entry, hasMore bool, expiredCount int64, lastFileName string, err error) {
listedEntries, listHasMore, listErr := f.Store.ListDirectoryPrefixedEntries(ctx, p, startFileName, inclusive, limit, prefix)
hasMore = listHasMore
if listErr != nil {
return listedEntries, hasMore, expiredCount, "", listErr
}
for _, entry := range listedEntries {
lastFileName = entry.Name()
func (f *Filer) doListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, eachEntryFunc ListEachEntryFunc) (expiredCount int64, lastFileName string, err error) {
lastFileName, err = f.Store.ListDirectoryPrefixedEntries(ctx, p, startFileName, inclusive, limit, prefix, func(entry *Entry) bool {
if entry.TtlSec > 0 {
if entry.Crtime.Add(time.Duration(entry.TtlSec) * time.Second).Before(time.Now()) {
f.Store.DeleteOneEntry(ctx, entry)
expiredCount++
continue
return true
}
}
entries = append(entries, entry)
return eachEntryFunc(entry)
})
if err != nil {
return expiredCount, lastFileName, err
}
return
}

65
weed/filer/filer_search.go
View file

@ -32,49 +32,76 @@ func (f *Filer) ListDirectoryEntries(ctx context.Context, p util.FullPath, start
var missedCount int64
var lastFileName string
entries, hasMore, missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, startFileName, inclusive, limit, prefix, restNamePattern)
missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, startFileName, inclusive, limit+1, prefix, restNamePattern, func(entry *Entry) bool {
entries = append(entries, entry)
return true
})
for missedCount > 0 && err == nil {
var makeupEntries []*Entry
makeupEntries, hasMore, missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, lastFileName, false, missedCount, prefix, restNamePattern)
for _, entry := range makeupEntries {
missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, lastFileName, false, missedCount+1, prefix, restNamePattern, func(entry *Entry) bool {
entries = append(entries, entry)
return true
})
}
hasMore = int64(len(entries)) >= limit+1
if hasMore {
entries = entries[:limit]
}
return entries, hasMore, err
}
func (f *Filer) doListPatternMatchedEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix, restNamePattern string) (matchedEntries []*Entry, hasMore bool, missedCount int64, lastFileName string, err error) {
var foundEntries []*Entry
// For now, prefix and namePattern are mutually exclusive
func (f *Filer) StreamListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error) {
if strings.HasSuffix(string(p), "/") && len(p) > 1 {
p = p[0 : len(p)-1]
}
prefixInNamePattern, restNamePattern := splitPattern(namePattern)
if prefixInNamePattern != "" {
prefix = prefixInNamePattern
}
var missedCount int64
missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, startFileName, inclusive, limit, prefix, restNamePattern, eachEntryFunc)
for missedCount > 0 && err == nil {
missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, lastFileName, false, missedCount, prefix, restNamePattern, eachEntryFunc)
}
foundEntries, hasMore, lastFileName, err = f.doListValidEntries(ctx, p, startFileName, inclusive, limit, prefix)
if err != nil {
return
}
}
func (f *Filer) doListPatternMatchedEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix, restNamePattern string, eachEntryFunc ListEachEntryFunc) (missedCount int64, lastFileName string, err error) {
if len(restNamePattern) == 0 {
return foundEntries, false, 0, lastFileName, nil
lastFileName, err = f.doListValidEntries(ctx, p, startFileName, inclusive, limit, prefix, eachEntryFunc)
return 0, lastFileName, err
}
for _, entry := range foundEntries {
lastFileName, err = f.doListValidEntries(ctx, p, startFileName, inclusive, limit, prefix, func(entry *Entry) bool {
nameToTest := strings.ToLower(entry.Name())
if matched, matchErr := filepath.Match(restNamePattern, nameToTest[len(prefix):]); matchErr == nil && matched {
matchedEntries = append(matchedEntries, entry)
if !eachEntryFunc(entry) {
return false
}
} else {
missedCount++
}
return true
})
if err != nil {
return
}
return
}
func (f *Filer) doListValidEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string) (entries []*Entry, hasMore bool, lastFileName string, err error) {
var makeupEntries []*Entry
func (f *Filer) doListValidEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error) {
var expiredCount int64
entries, hasMore, expiredCount, lastFileName, err = f.doListDirectoryEntries(ctx, p, startFileName, inclusive, limit, prefix)
expiredCount, lastFileName, err = f.doListDirectoryEntries(ctx, p, startFileName, inclusive, limit, prefix, eachEntryFunc)
for expiredCount > 0 && err == nil {
makeupEntries, hasMore, expiredCount, lastFileName, err = f.doListDirectoryEntries(ctx, p, lastFileName, false, expiredCount, prefix)
if err == nil {
entries = append(entries, makeupEntries...)
}
expiredCount, lastFileName, err = f.doListDirectoryEntries(ctx, p, lastFileName, false, expiredCount, prefix, eachEntryFunc)
}
return
}

6
weed/filer/filerstore.go
View file

@ -13,6 +13,8 @@ var (
ErrKvNotFound = errors.New("kv: not found")
)
type ListEachEntryFunc func(entry *Entry) bool
type FilerStore interface {
// GetName gets the name to locate the configuration in filer.toml file
GetName() string
@ -24,8 +26,8 @@ type FilerStore interface {
FindEntry(context.Context, util.FullPath) (entry *Entry, err error)
DeleteEntry(context.Context, util.FullPath) (err error)
DeleteFolderChildren(context.Context, util.FullPath) (err error)
ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) ([]*Entry, bool, error)
ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) ([]*Entry, bool, error)
ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error)
ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error)
BeginTransaction(ctx context.Context) (context.Context, error)
CommitTransaction(ctx context.Context) error

24
weed/filer/filerstore_translate_path.go
View file

@ -106,32 +106,24 @@ func (t *FilerStorePathTranlator) DeleteFolderChildren(ctx context.Context, fp u
return t.actualStore.DeleteFolderChildren(ctx, newFullPath)
}
func (t *FilerStorePathTranlator) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) ([]*Entry, bool, error) {
func (t *FilerStorePathTranlator) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc ListEachEntryFunc) (string, error) {
newFullPath := t.translatePath(dirPath)
entries, hasMore, err := t.actualStore.ListDirectoryEntries(ctx, newFullPath, startFileName, includeStartFile, limit)
if err != nil {
return nil, hasMore, err
}
for _, entry := range entries {
return t.actualStore.ListDirectoryEntries(ctx, newFullPath, startFileName, includeStartFile, limit, func(entry *Entry) bool {
entry.FullPath = dirPath[:len(t.storeRoot)-1] + entry.FullPath
}
return entries, hasMore, err
return eachEntryFunc(entry)
})
}
func (t *FilerStorePathTranlator) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) ([]*Entry, bool, error) {
func (t *FilerStorePathTranlator) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc ListEachEntryFunc) (string, error) {
newFullPath := t.translatePath(dirPath)
entries, hasMore, err := t.actualStore.ListDirectoryPrefixedEntries(ctx, newFullPath, startFileName, includeStartFile, limit, prefix)
if err != nil {
return nil, hasMore, err
}
for _, entry := range entries {
return t.actualStore.ListDirectoryPrefixedEntries(ctx, newFullPath, startFileName, includeStartFile, limit, prefix, func(entry *Entry) bool {
entry.FullPath = dirPath[:len(t.storeRoot)-1] + entry.FullPath
}
return entries, hasMore, nil
return eachEntryFunc(entry)
})
}
func (t *FilerStorePathTranlator) BeginTransaction(ctx context.Context) (context.Context, error) {

56
weed/filer/filerstore_wrapper.go
View file

@ -194,7 +194,7 @@ func (fsw *FilerStoreWrapper) DeleteFolderChildren(ctx context.Context, fp util.
return actualStore.DeleteFolderChildren(ctx, fp)
}
func (fsw *FilerStoreWrapper) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) ([]*Entry, bool, error) {
func (fsw *FilerStoreWrapper) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc ListEachEntryFunc) (string, error) {
actualStore := fsw.getActualStore(dirPath + "/")
stats.FilerStoreCounter.WithLabelValues(actualStore.GetName(), "list").Inc()
start := time.Now()
@ -203,18 +203,14 @@ func (fsw *FilerStoreWrapper) ListDirectoryEntries(ctx context.Context, dirPath
}()
glog.V(4).Infof("ListDirectoryEntries %s from %s limit %d", dirPath, startFileName, limit)
entries, hasMore, err := actualStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit)
if err != nil {
return nil, hasMore, err
}
for _, entry := range entries {
return actualStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit, func(entry *Entry) bool {
fsw.maybeReadHardLink(ctx, entry)
filer_pb.AfterEntryDeserialization(entry.Chunks)
}
return entries, hasMore, err
return eachEntryFunc(entry)
})
}
func (fsw *FilerStoreWrapper) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) ([]*Entry, bool, error) {
func (fsw *FilerStoreWrapper) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error) {
actualStore := fsw.getActualStore(dirPath + "/")
stats.FilerStoreCounter.WithLabelValues(actualStore.GetName(), "prefixList").Inc()
start := time.Now()
@ -222,48 +218,52 @@ func (fsw *FilerStoreWrapper) ListDirectoryPrefixedEntries(ctx context.Context,
stats.FilerStoreHistogram.WithLabelValues(actualStore.GetName(), "prefixList").Observe(time.Since(start).Seconds())
}()
glog.V(4).Infof("ListDirectoryPrefixedEntries %s from %s prefix %s limit %d", dirPath, startFileName, prefix, limit)
entries, hasMore, err := actualStore.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, prefix)
lastFileName, err = actualStore.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, prefix, eachEntryFunc)
if err == ErrUnsupportedListDirectoryPrefixed {
entries, hasMore, err = fsw.prefixFilterEntries(ctx, dirPath, startFileName, includeStartFile, limit, prefix)
}
if err != nil {
return nil, hasMore, err
}
for _, entry := range entries {
lastFileName, err = fsw.prefixFilterEntries(ctx, dirPath, startFileName, includeStartFile, limit, prefix, func(entry *Entry) bool {
fsw.maybeReadHardLink(ctx, entry)
filer_pb.AfterEntryDeserialization(entry.Chunks)
return eachEntryFunc(entry)
})
}
return entries, hasMore, nil
return lastFileName, err
}
func (fsw *FilerStoreWrapper) prefixFilterEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*Entry, hasMore bool, err error) {
func (fsw *FilerStoreWrapper) prefixFilterEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error) {
actualStore := fsw.getActualStore(dirPath + "/")
entries, hasMore, err = actualStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit)
if err != nil {
return nil, hasMore, err
}
if prefix == "" {
return actualStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit, eachEntryFunc)
}
var notPrefixed []*Entry
lastFileName, err = actualStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit, func(entry *Entry) bool {
notPrefixed = append(notPrefixed, entry)
return true
})
if err != nil {
return
}
count := int64(0)
var lastFileName string
notPrefixed := entries
entries = nil
for count < limit && len(notPrefixed) > 0 {
for _, entry := range notPrefixed {
lastFileName = entry.Name()
if strings.HasPrefix(entry.Name(), prefix) {
count++
entries = append(entries, entry)
if !eachEntryFunc(entry) {
return
}
if count >= limit {
break
}
}
}
if count < limit {
notPrefixed, hasMore, err = actualStore.ListDirectoryEntries(ctx, dirPath, lastFileName, false, limit)
notPrefixed = notPrefixed[:0]
_, err = actualStore.ListDirectoryEntries(ctx, dirPath, lastFileName, false, limit, func(entry *Entry) bool {
notPrefixed = append(notPrefixed, entry)
return true
})
if err != nil {
return
}

21
weed/filer/hbase/hbase_store.go
View file

@ -148,20 +148,18 @@ func (store *HbaseStore) DeleteFolderChildren(ctx context.Context, path util.Ful
return
}
func (store *HbaseStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) ([]*filer.Entry, bool, error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "")
func (store *HbaseStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (string, error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "", eachEntryFunc)
}
func (store *HbaseStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) ([]*filer.Entry, bool, error) {
func (store *HbaseStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
family := map[string][]string{store.cfMetaDir: {COLUMN_NAME}}
expectedPrefix := []byte(dirPath.Child(prefix))
scan, err := hrpc.NewScanRange(ctx, store.table, expectedPrefix, nil, hrpc.Families(family))
if err != nil {
return nil, false, err
return lastFileName, err
}
var hasMore bool
var entries []*filer.Entry
scanner := store.Client.Scan(scan)
defer scanner.Close()
for {
@ -170,7 +168,7 @@ func (store *HbaseStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPa
break
}
if err != nil {
return entries, hasMore, err
return lastFileName, err
}
if len(res.Cells) == 0 {
continue
@ -187,6 +185,8 @@ func (store *HbaseStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPa
continue
}
lastFileName = fileName
value := cell.Value
if fileName == startFileName && !includeStartFile {
@ -195,7 +195,6 @@ func (store *HbaseStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPa
limit--
if limit < 0 {
hasMore = true
break
}
entry := &filer.Entry{
@ -206,10 +205,12 @@ func (store *HbaseStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPa
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
return entries, hasMore, nil
return lastFileName, nil
}
func (store *HbaseStore) BeginTransaction(ctx context.Context) (context.Context, error) {

14
weed/filer/leveldb/leveldb_store.go
View file

@ -162,11 +162,11 @@ func (store *LevelDBStore) DeleteFolderChildren(ctx context.Context, fullpath we
return nil
}
func (store *LevelDBStore) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "")
func (store *LevelDBStore) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "", eachEntryFunc)
}
func (store *LevelDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
func (store *LevelDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
directoryPrefix := genDirectoryKeyPrefix(dirPath, prefix)
lastFileStart := directoryPrefix
@ -187,9 +187,9 @@ func (store *LevelDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dir
if fileName == startFileName && !includeStartFile {
continue
}
lastFileName = fileName
limit--
if limit < 0 {
hasMore = true
break
}
entry := &filer.Entry{
@ -200,11 +200,13 @@ func (store *LevelDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dir
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
iter.Release()
return entries, hasMore, err
return lastFileName, err
}
func genKey(dirPath, fileName string) (key []byte) {

14
weed/filer/leveldb2/leveldb2_store.go
View file

@ -171,11 +171,11 @@ func (store *LevelDB2Store) DeleteFolderChildren(ctx context.Context, fullpath w
return nil
}
func (store *LevelDB2Store) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "")
func (store *LevelDB2Store) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "", eachEntryFunc)
}
func (store *LevelDB2Store) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
func (store *LevelDB2Store) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
directoryPrefix, partitionId := genDirectoryKeyPrefix(dirPath, prefix, store.dbCount)
lastFileStart := directoryPrefix
@ -196,9 +196,9 @@ func (store *LevelDB2Store) ListDirectoryPrefixedEntries(ctx context.Context, di
if fileName == startFileName && !includeStartFile {
continue
}
lastFileName = fileName
limit--
if limit < 0 {
hasMore = true
break
}
entry := &filer.Entry{
@ -211,11 +211,13 @@ func (store *LevelDB2Store) ListDirectoryPrefixedEntries(ctx context.Context, di
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
iter.Release()
return entries, hasMore, err
return lastFileName, err
}
func genKey(dirPath, fileName string, dbCount int) (key []byte, partitionId int) {

16
weed/filer/leveldb3/leveldb3_store.go
View file

@ -286,15 +286,15 @@ func (store *LevelDB3Store) DeleteFolderChildren(ctx context.Context, fullpath w
return nil
}
func (store *LevelDB3Store) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "")
func (store *LevelDB3Store) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "", eachEntryFunc)
}
func (store *LevelDB3Store) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
func (store *LevelDB3Store) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
db, _, shortPath, err := store.findDB(dirPath, true)
if err != nil {
return nil, false, fmt.Errorf("findDB %s : %v", dirPath, err)
return lastFileName, fmt.Errorf("findDB %s : %v", dirPath, err)
}
directoryPrefix := genDirectoryKeyPrefix(shortPath, prefix)
@ -316,9 +316,9 @@ func (store *LevelDB3Store) ListDirectoryPrefixedEntries(ctx context.Context, di
if fileName == startFileName && !includeStartFile {
continue
}
lastFileName = fileName
limit--
if limit < 0 {
hasMore = true
break
}
entry := &filer.Entry{
@ -331,11 +331,13 @@ func (store *LevelDB3Store) ListDirectoryPrefixedEntries(ctx context.Context, di
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
iter.Release()
return entries, hasMore, err
return lastFileName, err
}
func genKey(dirPath, fileName string) (key []byte) {

19
weed/filer/mongodb/mongodb_store.go
View file

@ -178,11 +178,11 @@ func (store *MongodbStore) DeleteFolderChildren(ctx context.Context, fullpath ut
return nil
}
func (store *MongodbStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
return nil, false, filer.ErrUnsupportedListDirectoryPrefixed
func (store *MongodbStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return lastFileName, filer.ErrUnsupportedListDirectoryPrefixed
}
func (store *MongodbStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
func (store *MongodbStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
var where = bson.M{"directory": string(dirPath), "name": bson.M{"$gt": startFileName}}
if includeStartFile {
@ -190,38 +190,37 @@ func (store *MongodbStore) ListDirectoryEntries(ctx context.Context, dirPath uti
"$gte": startFileName,
}
}
optLimit := int64(limit + 1)
optLimit := int64(limit)
opts := &options.FindOptions{Limit: &optLimit, Sort: bson.M{"name": 1}}
cur, err := store.connect.Database(store.database).Collection(store.collectionName).Find(ctx, where, opts)
for cur.Next(ctx) {
var data Model
err := cur.Decode(&data)
if err != nil && err != mongo.ErrNoDocuments {
return nil, false, err
return lastFileName, err
}
entry := &filer.Entry{
FullPath: util.NewFullPath(string(dirPath), data.Name),
}
lastFileName = data.Name
if decodeErr := entry.DecodeAttributesAndChunks(util.MaybeDecompressData(data.Meta)); decodeErr != nil {
err = decodeErr
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
hasMore = int64(len(entries)) == limit+1
if hasMore {
entries = entries[:limit]
}
if err := cur.Close(ctx); err != nil {
glog.V(0).Infof("list iterator close: %v", err)
}
return entries, hasMore, err
return lastFileName, err
}
func (store *MongodbStore) Shutdown() {

18
weed/filer/redis/universal_redis_store.go
View file

@ -125,16 +125,16 @@ func (store *UniversalRedisStore) DeleteFolderChildren(ctx context.Context, full
return nil
}
func (store *UniversalRedisStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
return nil, false, filer.ErrUnsupportedListDirectoryPrefixed
func (store *UniversalRedisStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return lastFileName, filer.ErrUnsupportedListDirectoryPrefixed
}
func (store *UniversalRedisStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
func (store *UniversalRedisStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
dirListKey := genDirectoryListKey(string(dirPath))
members, err := store.Client.SMembers(ctx, dirListKey).Result()
if err != nil {
return nil, false, fmt.Errorf("list %s : %v", dirPath, err)
return lastFileName, fmt.Errorf("list %s : %v", dirPath, err)
}
// skip
@ -160,15 +160,15 @@ func (store *UniversalRedisStore) ListDirectoryEntries(ctx context.Context, dirP
})
// limit
if limit < int64(len(entries)) {
if limit < int64(len(members)) {
members = members[:limit]
hasMore = true
}
// fetch entry meta
for _, fileName := range members {
path := util.NewFullPath(string(dirPath), fileName)
entry, err := store.FindEntry(ctx, path)
lastFileName = fileName
if err != nil {
glog.V(0).Infof("list %s : %v", path, err)
if err == filer_pb.ErrNotFound {
@ -182,11 +182,13 @@ func (store *UniversalRedisStore) ListDirectoryEntries(ctx context.Context, dirP
continue
}
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
}
return entries, hasMore, err
return lastFileName, err
}
func genDirectoryListKey(dir string) (dirList string) {

22
weed/filer/redis2/universal_redis_store.go
View file

@ -149,11 +149,11 @@ func (store *UniversalRedis2Store) DeleteFolderChildren(ctx context.Context, ful
return nil
}
func (store *UniversalRedis2Store) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
return nil, false, filer.ErrUnsupportedListDirectoryPrefixed
func (store *UniversalRedis2Store) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return lastFileName, filer.ErrUnsupportedListDirectoryPrefixed
}
func (store *UniversalRedis2Store) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
func (store *UniversalRedis2Store) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
dirListKey := genDirectoryListKey(string(dirPath))
start := int64(0)
@ -163,20 +163,16 @@ func (store *UniversalRedis2Store) ListDirectoryEntries(ctx context.Context, dir
start++
}
}
members, err := store.Client.ZRange(ctx, dirListKey, start, start+int64(limit)-1+1).Result()
members, err := store.Client.ZRange(ctx, dirListKey, start, start+int64(limit)-1).Result()
if err != nil {
return nil, false, fmt.Errorf("list %s : %v", dirPath, err)
}
hasMore = int64(len(entries)) == limit+1
if hasMore {
members = members[:len(members)-1]
return lastFileName, fmt.Errorf("list %s : %v", dirPath, err)
}
// fetch entry meta
for _, fileName := range members {
path := util.NewFullPath(string(dirPath), fileName)
entry, err := store.FindEntry(ctx, path)
lastFileName = fileName
if err != nil {
glog.V(0).Infof("list %s : %v", path, err)
if err == filer_pb.ErrNotFound {
@ -190,11 +186,13 @@ func (store *UniversalRedis2Store) ListDirectoryEntries(ctx context.Context, dir
continue
}
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
}
return entries, hasMore, err
return lastFileName, err
}
func genDirectoryListKey(dir string) (dirList string) {

26
weed/filer/rocksdb/rocksdb_store.go
View file

@ -158,7 +158,7 @@ func (store *RocksDBStore) DeleteFolderChildren(ctx context.Context, fullpath we
iter := store.db.NewIterator(ro)
defer iter.Close()
_, err = enumerate(iter, directoryPrefix, nil, false, -1, func(key, value []byte) bool {
err = enumerate(iter, directoryPrefix, nil, false, -1, func(key, value []byte) bool {
batch.Delete(key)
return true
})
@ -175,7 +175,7 @@ func (store *RocksDBStore) DeleteFolderChildren(ctx context.Context, fullpath we
return nil
}
func enumerate(iter *gorocksdb.Iterator, prefix, lastKey []byte, includeLastKey bool, limit int64, fn func(key, value []byte) bool) (hasMore bool, err error) {
func enumerate(iter *gorocksdb.Iterator, prefix, lastKey []byte, includeLastKey bool, limit int64, fn func(key, value []byte) bool) (err error) {
if len(lastKey) == 0 {
iter.Seek(prefix)
@ -196,7 +196,6 @@ func enumerate(iter *gorocksdb.Iterator, prefix, lastKey []byte, includeLastKey
if limit > 0 {
i++
if i > limit {
hasMore = true
break
}
}
@ -216,16 +215,16 @@ func enumerate(iter *gorocksdb.Iterator, prefix, lastKey []byte, includeLastKey
}
if err := iter.Err(); err != nil {
return hasMore, fmt.Errorf("prefix scan iterator: %v", err)
return fmt.Errorf("prefix scan iterator: %v", err)
}
return hasMore, nil
return nil
}
func (store *RocksDBStore) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "")
func (store *RocksDBStore) ListDirectoryEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return store.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, "", eachEntryFunc)
}
func (store *RocksDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
func (store *RocksDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath weed_util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
directoryPrefix := genDirectoryKeyPrefix(dirPath, prefix)
lastFileStart := directoryPrefix
@ -239,7 +238,7 @@ func (store *RocksDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dir
iter := store.db.NewIterator(ro)
defer iter.Close()
hasMore, err = enumerate(iter, directoryPrefix, lastFileStart, includeStartFile, limit, func(key, value []byte) bool {
err = enumerate(iter, directoryPrefix, lastFileStart, includeStartFile, limit, func(key, value []byte) bool {
fileName := getNameFromKey(key)
if fileName == "" {
return true
@ -247,6 +246,7 @@ func (store *RocksDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dir
entry := &filer.Entry{
FullPath: weed_util.NewFullPath(string(dirPath), fileName),
}
lastFileName = fileName
// println("list", entry.FullPath, "chunks", len(entry.Chunks))
if decodeErr := entry.DecodeAttributesAndChunks(value); decodeErr != nil {
@ -254,14 +254,16 @@ func (store *RocksDBStore) ListDirectoryPrefixedEntries(ctx context.Context, dir
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
return false
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
return false
}
return true
})
if err != nil {
return entries, false, fmt.Errorf("prefix list %s : %v", dirPath, err)
return lastFileName, fmt.Errorf("prefix list %s : %v", dirPath, err)
}
return entries, false, err
return lastFileName, err
}
func genKey(dirPath, fileName string) (key []byte) {

8
weed/filesys/dir.go
View file

@ -319,14 +319,14 @@ func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
glog.Errorf("dir ReadDirAll %s: %v", dirPath, err)
return nil, fuse.EIO
}
listedEntries, listErr := dir.wfs.metaCache.ListDirectoryEntries(context.Background(), util.FullPath(dir.FullPath()), "", false, int64(math.MaxInt32))
listErr := dir.wfs.metaCache.ListDirectoryEntries(context.Background(), util.FullPath(dir.FullPath()), "", false, int64(math.MaxInt32), func(entry *filer.Entry) bool {
processEachEntryFn(entry.ToProtoEntry(), false)
return true
})
if listErr != nil {
glog.Errorf("list meta cache: %v", listErr)
return nil, fuse.EIO
}
for _, cachedEntry := range listedEntries {
processEachEntryFn(cachedEntry.ToProtoEntry(), false)
}
return
}

16
weed/filesys/meta_cache/meta_cache.go
View file

@ -117,22 +117,22 @@ func (mc *MetaCache) DeleteEntry(ctx context.Context, fp util.FullPath) (err err
return mc.localStore.DeleteEntry(ctx, fp)
}
func (mc *MetaCache) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) ([]*filer.Entry, error) {
func (mc *MetaCache) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) error {
mc.RLock()
defer mc.RUnlock()
if !mc.visitedBoundary.HasVisited(dirPath) {
return nil, fmt.Errorf("unsynchronized dir: %v", dirPath)
return fmt.Errorf("unsynchronized dir: %v", dirPath)
}
entries, _, err := mc.localStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit)
if err != nil {
return nil, err
}
for _, entry := range entries {
_, err := mc.localStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit, func(entry *filer.Entry) bool {
mc.mapIdFromFilerToLocal(entry)
return eachEntryFunc(entry)
})
if err != nil {
return err
}
return entries, err
return err
}
func (mc *MetaCache) Shutdown() {

42
weed/server/filer_grpc_server.go
View file

@ -44,7 +44,7 @@ func (fs *FilerServer) LookupDirectoryEntry(ctx context.Context, req *filer_pb.L
}, nil
}
func (fs *FilerServer) ListEntries(req *filer_pb.ListEntriesRequest, stream filer_pb.SeaweedFiler_ListEntriesServer) error {
func (fs *FilerServer) ListEntries(req *filer_pb.ListEntriesRequest, stream filer_pb.SeaweedFiler_ListEntriesServer) (err error) {
glog.V(4).Infof("ListEntries %v", req)
@ -60,23 +60,12 @@ func (fs *FilerServer) ListEntries(req *filer_pb.ListEntriesRequest, stream file
lastFileName := req.StartFromFileName
includeLastFile := req.InclusiveStartFrom
var listErr error
for limit > 0 {
entries, hasMore, err := fs.filer.ListDirectoryEntries(stream.Context(), util.FullPath(req.Directory), lastFileName, includeLastFile, int64(paginationLimit), req.Prefix, "")
if err != nil {
return err
}
if len(entries) == 0 {
return nil
}
includeLastFile = false
for _, entry := range entries {
lastFileName = entry.Name()
if err := stream.Send(&filer_pb.ListEntriesResponse{
var hasEntries bool
lastFileName, listErr = fs.filer.StreamListDirectoryEntries(stream.Context(), util.FullPath(req.Directory), lastFileName, includeLastFile, int64(paginationLimit), req.Prefix, "", func(entry *filer.Entry) bool {
hasEntries = true
if err = stream.Send(&filer_pb.ListEntriesResponse{
Entry: &filer_pb.Entry{
Name: entry.Name(),
IsDirectory: entry.IsDirectory(),
@ -88,18 +77,27 @@ func (fs *FilerServer) ListEntries(req *filer_pb.ListEntriesRequest, stream file
Content: entry.Content,
},
}); err != nil {
return err
return false
}
limit--
if limit == 0 {
return false
}
return true
})
if listErr != nil {
return listErr
}
if err != nil {
return err
}
if !hasEntries {
return nil
}
}
if !hasMore {
break
}
includeLastFile = false
}