Fixed bugs: try to create a bucket in read-only tx (a8e7790d) · Commits · SUMMER2020 / students / proj-2027121

fldb/boltdb.go

+5 −1

Original line number	Diff line number	Diff line
		@@ -33,7 +33,11 @@ func (cache *BoltDB) Update(list rsync.FileList, downloadList []int, deleteList
		mod := tx.Bucket(cache.module)
		// If bucket does not exist, create the bucket
		if mod == nil {
		panic("Bucket should be created")
		var err error
		mod, err = tx.CreateBucket(cache.module)
		if err != nil {
		return err
		}
		}

		// Insert new items in cache

+6 −6

Original line number	Diff line number	Diff line
		@@ -20,13 +20,13 @@ func (cache *BoltDB) Diff(list rsync.FileList) ([]int, [][]byte) {
		// Iterate cache.module(A) & list(B), both A & B must be sorted lexicographically before
		err := cache.db.View(func(tx *bolt.Tx) error {
		mod := tx.Bucket(cache.module)
		// If bucket does not exist, create the bucket

		if mod == nil {
		var err error
		mod, err = tx.CreateBucket(cache.module)
		if err != nil {
		return err
		// If bucket does not exist, just appends all files to downloadList
		for i, _ := range list {
		downloadList = append(downloadList, i)
		}
		return nil
		}

		c := mod.Cursor()
		@@ -79,7 +79,7 @@ func (cache *BoltDB) Diff(list rsync.FileList) ([]int, [][]byte) {
		return nil
		})
		if err != nil {

		log.Println("Failed to diff", err)
		}

		log.Println("Diff Duration", time.Since(startTime))