You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
2.1 KiB
84 lines
2.1 KiB
package weed_server
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/seaweedfs/seaweedfs/weed/filer"
|
|
"github.com/seaweedfs/seaweedfs/weed/glog"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/util"
|
|
"github.com/viant/ptrie"
|
|
)
|
|
|
|
func (fs *FilerServer) TraverseBfsMetadata(req *filer_pb.TraverseBfsMetadataRequest, stream filer_pb.SeaweedFiler_TraverseBfsMetadataServer) error {
|
|
|
|
glog.V(0).Infof("TraverseBfsMetadata %v", req)
|
|
|
|
excludedTrie := ptrie.New[bool]()
|
|
for _, excluded := range req.ExcludedPrefixes {
|
|
excludedTrie.Put([]byte(excluded), true)
|
|
}
|
|
|
|
ctx := stream.Context()
|
|
|
|
queue := util.NewQueue[*filer.Entry]()
|
|
dirEntry, err := fs.filer.FindEntry(ctx, util.FullPath(req.Directory))
|
|
if err != nil {
|
|
return fmt.Errorf("find dir %s: %v", req.Directory, err)
|
|
}
|
|
queue.Enqueue(dirEntry)
|
|
|
|
for item := queue.Dequeue(); item != nil; item = queue.Dequeue() {
|
|
if excludedTrie.MatchPrefix([]byte(item.FullPath), func(key []byte, value bool) bool {
|
|
return true
|
|
}) {
|
|
// println("excluded", item.FullPath)
|
|
continue
|
|
}
|
|
parent, _ := item.FullPath.DirAndName()
|
|
if err := stream.Send(&filer_pb.TraverseBfsMetadataResponse{
|
|
Directory: parent,
|
|
Entry: item.ToProtoEntry(),
|
|
}); err != nil {
|
|
return fmt.Errorf("send traverse bfs metadata response: %v", err)
|
|
}
|
|
|
|
if !item.IsDirectory() {
|
|
continue
|
|
}
|
|
|
|
if err := fs.iterateDirectory(ctx, item.FullPath, func(entry *filer.Entry) error {
|
|
queue.Enqueue(entry)
|
|
return nil
|
|
}); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (fs *FilerServer) iterateDirectory(ctx context.Context, dirPath util.FullPath, fn func(entry *filer.Entry) error) (err error) {
|
|
var lastFileName string
|
|
var listErr error
|
|
for {
|
|
var hasEntries bool
|
|
lastFileName, listErr = fs.filer.StreamListDirectoryEntries(ctx, dirPath, lastFileName, false, 1024, "", "", "", func(entry *filer.Entry) bool {
|
|
hasEntries = true
|
|
if fnErr := fn(entry); fnErr != nil {
|
|
err = fnErr
|
|
return false
|
|
}
|
|
return true
|
|
})
|
|
if listErr != nil {
|
|
return listErr
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !hasEntries {
|
|
return nil
|
|
}
|
|
}
|
|
}
|