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.
95 lines
2.2 KiB
95 lines
2.2 KiB
package filer_pb
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/seaweedfs/seaweedfs/weed/glog"
|
|
"io"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/util"
|
|
)
|
|
|
|
func TraverseBfs(filerClient FilerClient, parentPath util.FullPath, fn func(parentPath util.FullPath, entry *Entry)) (err error) {
|
|
K := 5
|
|
|
|
var jobQueueWg sync.WaitGroup
|
|
queue := util.NewQueue[util.FullPath]()
|
|
jobQueueWg.Add(1)
|
|
queue.Enqueue(parentPath)
|
|
terminates := make([]chan bool, K)
|
|
|
|
for i := 0; i < K; i++ {
|
|
terminates[i] = make(chan bool)
|
|
go func(j int) {
|
|
for {
|
|
select {
|
|
case <-terminates[j]:
|
|
return
|
|
default:
|
|
t := queue.Dequeue()
|
|
if t == "" {
|
|
time.Sleep(329 * time.Millisecond)
|
|
continue
|
|
}
|
|
dir := t
|
|
processErr := processOneDirectory(filerClient, dir, queue, &jobQueueWg, fn)
|
|
if processErr != nil {
|
|
err = processErr
|
|
}
|
|
jobQueueWg.Done()
|
|
}
|
|
}
|
|
}(i)
|
|
}
|
|
jobQueueWg.Wait()
|
|
for i := 0; i < K; i++ {
|
|
close(terminates[i])
|
|
}
|
|
return
|
|
}
|
|
|
|
func processOneDirectory(filerClient FilerClient, parentPath util.FullPath, queue *util.Queue[util.FullPath], jobQueueWg *sync.WaitGroup, fn func(parentPath util.FullPath, entry *Entry)) (err error) {
|
|
|
|
return ReadDirAllEntries(filerClient, parentPath, "", func(entry *Entry, isLast bool) error {
|
|
|
|
fn(parentPath, entry)
|
|
|
|
if entry.IsDirectory {
|
|
subDir := fmt.Sprintf("%s/%s", parentPath, entry.Name)
|
|
if parentPath == "/" {
|
|
subDir = "/" + entry.Name
|
|
}
|
|
jobQueueWg.Add(1)
|
|
queue.Enqueue(util.FullPath(subDir))
|
|
}
|
|
return nil
|
|
})
|
|
|
|
}
|
|
|
|
func StreamBfs(client SeaweedFilerClient, dir util.FullPath, olderThanTsNs int64, fn func(parentPath util.FullPath, entry *Entry) error) (err error) {
|
|
glog.V(0).Infof("TraverseBfsMetadata %v if before %v", dir, time.Unix(0, olderThanTsNs))
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
stream, err := client.TraverseBfsMetadata(ctx, &TraverseBfsMetadataRequest{
|
|
Directory: string(dir),
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("traverse bfs metadata: %v", err)
|
|
}
|
|
for {
|
|
resp, err := stream.Recv()
|
|
if err != nil {
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
return fmt.Errorf("traverse bfs metadata: %v", err)
|
|
}
|
|
if err := fn(util.FullPath(resp.Directory), resp.Entry); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|