Exemplo n.º 1
0
Arquivo: status.go Projeto: ibab/msg
// Make sure that mail info in db and maildir are identical
// TODO Synchronize messages removed in maildir to db
func SynchronizeInfo(cdir CachedMaildir, db *bolt.DB) {
	cdir.dir.Unseen()
	keys, err := cdir.dir.Keys()
	if err != nil {
		log.Fatal(err)
	}

	tx, err := db.Begin(true)
	if err != nil {
		log.Fatal(err)
	}
	bucket := tx.Bucket([]byte(cdir.flagsBucket))

	for _, key := range keys {
		ret := bucket.Get([]byte(key))
		if ret == nil {
			// We don't know about this message
			flags, err := cdir.dir.Flags(key)
			if err != nil {
				println(err)
			}
			bucket.Put([]byte(key), []byte(flags))
		}
	}
	tx.Commit()
}
Exemplo n.º 2
0
func (db *DB) Open(dbPath string) error {
	var (
		err    error
		boltDB *bolt.DB
	)
	boltDB, err = bolt.Open(dbPath, 0600, nil)
	if err != nil {
		return err
	}
	var tx *bolt.Tx
	tx, err = boltDB.Begin(true)
	if err != nil {
		return err
	}

	bucketName := []byte(base64.StdEncoding.EncodeToString([]byte(dbPath)))
	_, err = tx.CreateBucketIfNotExists(bucketName)
	if err != nil {
		tx.Rollback()
		return err
	}

	if err = tx.Commit(); err != nil {
		return err
	}
	db.boltDB = boltDB
	db.dbPath = dbPath
	db.bucketName = bucketName
	return nil
}
Exemplo n.º 3
0
func createIncident(incident *Incident, db *bolt.DB) error {
	if incident.Time == 0 {
		incident.Time = time.Now().UnixNano()
	}

	key, err := time.Unix(0, incident.Time).MarshalBinary()
	if err != nil {
		return err
	}
	val, err := json.Marshal(incident)
	if err != nil {
		return err
	}

	tx, err := db.Begin(true)
	if err != nil {
		return err
	}

	b := tx.Bucket([]byte(incidentsBucket))
	err = b.Put(key, val)
	if err != nil {
		tx.Rollback()
		return err
	}
	err = tx.Commit()
	if err != nil {
		return err
	}
	return nil
}
Exemplo n.º 4
0
func persist(db *bolt.DB, args []string) error {
	tx, err := db.Begin(true)
	if err != nil {
		return err
	}
	log.Debugln("start transaction.")
	for _, v := range args {
		log.Debugln(v)
		bucket := tx.Bucket([]byte(BUCKET_NAME))
		if bucket == nil {
			bucket, err = tx.CreateBucket([]byte(BUCKET_NAME))
			if err != nil {
				return err
			}
			count := btoi(bucket.Get([]byte(v)))
			count += 1
			err = bucket.Put([]byte(v), itob(count))
			if err != nil {
				tx.Rollback()
				return err
			}
		}
	}

	tx.Commit()
	return nil
}
Exemplo n.º 5
0
func getLastNTweets(DB *bolt.DB, TweetCnt int) ([]anaconda.Tweet, error) {
	var Result []anaconda.Tweet
	Tx, err := DB.Begin(false)
	if err != nil {
		return []anaconda.Tweet{}, err
	}
	Bucket := Tx.Bucket([]byte("tweets"))
	Cursor := Bucket.Cursor()
	k, v := Cursor.Last()
	for i := 0; i < TweetCnt; i++ {
		if k == nil {
			break
		}
		var tweet anaconda.Tweet
		if err := json.Unmarshal(v, &tweet); err != nil {
			return []anaconda.Tweet{}, err
		}
		Result = append(Result, tweet)
		k, v = Cursor.Prev()
	}
	if err := Tx.Rollback(); err != nil {
		return []anaconda.Tweet{}, err
	}
	return Result, nil
}
Exemplo n.º 6
0
func getTwitterData(DB *bolt.DB) {
	anaconda.SetConsumerKey("KmxA5PMS1WaVdSnJrYtq5XANb")
	anaconda.SetConsumerSecret("yt7ydv2qFt7BpyHrMK3UzIj7HXGGv7ezcVTnELxhgh2WMGj9IA")
	api := anaconda.NewTwitterApi(
		"268263175-deYL6a9YyDMy8YRDQI0p9NDBoKuZScRKG24Dpqkj",
		"PrFnSYOzsZjPYc5zhN9qeviyyHH0x1sKkiOYSSyPdWrnS")

	tweets, err := api.GetHomeTimeline(url.Values{
		"count": {"10"},
	})
	if err != nil {
		// TODO -- Handle timeouts here
		panic(err)
	}

	Tx, err := DB.Begin(true)
	if err != nil {
		// TODO -- Handle this gracely
		panic(err)
	}
	Bucket := Tx.Bucket([]byte("tweets"))
	for _, t := range tweets {

		tweetText := t.Text
		if t.RetweetedStatus != nil {
			tweetText = t.RetweetedStatus.Text
		}
		tweetText = replaceURLS(tweetText, func(s string) string {
			fmt.Println("Replacing ", s)
			for retries := 0; retries < 3; retries++ {
				newS, err := getRedirectedURL(s)
				if err != nil {
					time.Sleep(time.Duration(1+retries) * time.Second)
					continue
				}
				return newS
			}
			return s
		})
		if t.RetweetedStatus != nil {
			t.RetweetedStatus.Text = tweetText
		} else {
			t.Text = tweetText
		}
		data, err := json.Marshal(t)
		if err != nil {
			Tx.Rollback()
			DB.Sync()
			panic(err)
		}
		key := []byte(strconv.FormatInt(t.Id, 16))
		if err = Bucket.Put(key, data); err != nil {
			Tx.Rollback()
			DB.Sync()
			panic(err)
		}
	}
	Tx.Commit()
}
Exemplo n.º 7
0
func (self *Progress) tx(db *bolt.DB) *bolt.Tx {
	tx, err := db.Begin(true)
	if err != nil {
		log.Println(err)
		return nil
	}

	return tx
}
Exemplo n.º 8
0
func upgrade2To3(db *bolt.DB) error {
	fmt.Println("Upgrading v2 to v3...")
	tx, err := db.Begin(true)
	if err != nil {
		return err
	}
	defer tx.Rollback()
	fmt.Println("Upgrading bucket", string(logBucket))
	lb := tx.Bucket(logBucket)
	c := lb.Cursor()
	for k, v := c.First(); k != nil; k, v = c.Next() {
		var delta proto.LogDelta
		err := delta.Unmarshal(v)
		if err != nil {
			return err
		}
		delta.Quad.Upgrade()
		data, err := delta.Marshal()
		if err != nil {
			return err
		}
		lb.Put(k, data)
	}
	if err := tx.Commit(); err != nil {
		return err
	}
	tx, err = db.Begin(true)
	if err != nil {
		return err
	}
	defer tx.Rollback()
	fmt.Println("Upgrading bucket", string(nodeBucket))
	nb := tx.Bucket(nodeBucket)
	c = nb.Cursor()
	for k, v := c.First(); k != nil; k, v = c.Next() {
		var vd proto.NodeData
		err := vd.Unmarshal(v)
		if err != nil {
			return err
		}
		vd.Upgrade()
		data, err := vd.Marshal()
		if err != nil {
			return err
		}
		nb.Put(k, data)
	}
	if err := tx.Commit(); err != nil {
		return err
	}
	return nil
}
Exemplo n.º 9
0
func prometheusLoad(db *bolt.DB) error {
	log.Printf("loading prometheus metrics...")
	tx, err := db.Begin(false)
	if err != nil {
		return err
	}
	defer tx.Rollback()
	b := tx.Bucket([]byte(prometheusBucket))
	b.ForEach(func(k, v []byte) error {
		PrometheusQueryMap[string(k)] = string(v)
		log.Printf("	loaded prometheus metric %s=%s", string(k), string(v))
		return nil
	})

	return nil
}
Exemplo n.º 10
0
func prometheusAdd(db *bolt.DB, name, query string) error {
	log.Printf("add prometheus metrics %s=%s", name, query)

	tx, err := db.Begin(true)
	if err != nil {
		return err
	}

	b := tx.Bucket([]byte(prometheusBucket))
	b.Put([]byte(name), []byte(query))
	err = tx.Commit()

	if err != nil {
		PrometheusQueryMap[name] = query
	}
	return err
}
Exemplo n.º 11
0
Arquivo: status.go Projeto: ibab/msg
func NewCachedMailDir(mdirPath string, db *bolt.DB) (dir CachedMaildir) {
	mdir := maildir.Dir(mdirPath)
	bucketName := path.Base(mdirPath)

	tx, err := db.Begin(true)
	if err != nil {
		log.Fatal(err)
	}
	_, err = tx.CreateBucketIfNotExists([]byte(bucketName + "_flags"))
	if err != nil {
		log.Fatal(err)
	}

	tx.Commit()

	dir = CachedMaildir{dir: &mdir, flagsBucket: bucketName + "_flags"}
	SynchronizeInfo(dir, db)
	return
}
Exemplo n.º 12
0
func boltSender(db *bolt.DB, tourl string) {
	pr, pw := io.Pipe()
	go func() {
		tx, err := db.Begin(false)
		if err != nil {
			panic(err)
		}
		_, err = tx.WriteTo(pw)
		if err != nil {
			panic(err)
		}
		pw.Close()
	}()

	fmt.Println("before post")
	_, err := http.Post(tourl, "plain/text", pr)
	fmt.Println("after post")
	if err != nil {
		panic(err)
	}
}
Exemplo n.º 13
0
func getIncidentsByDay(day int64, db *bolt.DB) ([]string, error) {
	since := time.Unix(0, 0).Add(time.Duration(day) * 24 * time.Hour)
	until := since.Add(24 * time.Hour)
	sinceb, err := since.MarshalBinary()
	if err != nil {
		return nil, err
	}
	untilb, err := until.MarshalBinary()
	if err != nil {
		return nil, err
	}

	tx, err := db.Begin(false)
	if err != nil {
		return nil, err
	}
	defer tx.Rollback()

	eventslice := []string{}
	c := tx.Bucket([]byte(incidentsBucket)).Cursor()

	fk, _ := c.First()
	if fk == nil {
		return nil, fmt.Errorf("no available incidents")
	}
	if bytes.Compare(sinceb, fk) < 0 {
		ft := &time.Time{}
		err := ft.UnmarshalBinary(fk)
		if err != nil {
			return nil, err
		}
		return nil, fmt.Errorf("no available incidents before %d", int(ft.Sub(time.Unix(0, 0)).Hours())/24)
	}

	for k, v := c.Seek(sinceb); k != nil && bytes.Compare(k, untilb) <= 0; k, v = c.Next() {
		eventslice = append(eventslice, string(v))
	}
	return eventslice, nil
}
Exemplo n.º 14
0
func defragdb(odb, tmpdb *bolt.DB, limit int) error {
	// open a tx on tmpdb for writes
	tmptx, err := tmpdb.Begin(true)
	if err != nil {
		return err
	}

	// open a tx on old db for read
	tx, err := odb.Begin(false)
	if err != nil {
		return err
	}
	defer tx.Rollback()

	c := tx.Cursor()

	count := 0
	for next, _ := c.First(); next != nil; next, _ = c.Next() {
		b := tx.Bucket(next)
		if b == nil {
			return fmt.Errorf("backend: cannot defrag bucket %s", string(next))
		}

		tmpb, berr := tmptx.CreateBucketIfNotExists(next)
		if berr != nil {
			return berr
		}

		b.ForEach(func(k, v []byte) error {
			count++
			if count > limit {
				err = tmptx.Commit()
				if err != nil {
					return err
				}
				tmptx, err = tmpdb.Begin(true)
				if err != nil {
					return err
				}
				tmpb = tmptx.Bucket(next)
				count = 0
			}
			err = tmpb.Put(k, v)
			if err != nil {
				return err
			}
			return nil
		})
	}

	return tmptx.Commit()
}
Exemplo n.º 15
0
// Ensure that opening a transaction while the DB is closed returns an error.
func TestDB_BeginRW_Closed(t *testing.T) {
	var db bolt.DB
	tx, err := db.Begin(true)
	equals(t, err, bolt.ErrDatabaseNotOpen)
	assert(t, tx == nil, "")
}
Exemplo n.º 16
0
// Ensure that a database cannot open a transaction when it's not open.
func TestDB_Begin_DatabaseNotOpen(t *testing.T) {
	var db bolt.DB
	tx, err := db.Begin(false)
	assert(t, tx == nil, "")
	equals(t, err, bolt.ErrDatabaseNotOpen)
}
Exemplo n.º 17
0
// Ensure that opening a transaction while the DB is closed returns an error.
func TestDB_BeginRW_Closed(t *testing.T) {
	var db bolt.DB
	if _, err := db.Begin(true); err != bolt.ErrDatabaseNotOpen {
		t.Fatalf("unexpected error: %s", err)
	}
}
Exemplo n.º 18
0
func upgrade1To2(db *bolt.DB) error {
	fmt.Println("Upgrading v1 to v2...")
	tx, err := db.Begin(true)
	if err != nil {
		return err
	}
	defer tx.Rollback()
	fmt.Println("Upgrading bucket", string(logBucket))
	lb := tx.Bucket(logBucket)
	c := lb.Cursor()
	for k, v := c.First(); k != nil; k, v = c.Next() {
		var delta graph.Delta
		err := json.Unmarshal(v, &delta)
		if err != nil {
			return err
		}
		newd := deltaToProto(delta)
		data, err := newd.Marshal()
		if err != nil {
			return err
		}
		lb.Put(k, data)
	}
	if err := tx.Commit(); err != nil {
		return err
	}
	tx, err = db.Begin(true)
	if err != nil {
		return err
	}
	defer tx.Rollback()
	fmt.Println("Upgrading bucket", string(nodeBucket))
	nb := tx.Bucket(nodeBucket)
	c = nb.Cursor()
	for k, v := c.First(); k != nil; k, v = c.Next() {
		var vd proto.NodeData
		err := json.Unmarshal(v, &vd)
		if err != nil {
			return err
		}
		data, err := vd.Marshal()
		if err != nil {
			return err
		}
		nb.Put(k, data)
	}
	if err := tx.Commit(); err != nil {
		return err
	}

	for _, bucket := range [4][]byte{spoBucket, ospBucket, posBucket, cpsBucket} {
		tx, err = db.Begin(true)
		if err != nil {
			return err
		}
		defer tx.Rollback()
		fmt.Println("Upgrading bucket", string(bucket))
		b := tx.Bucket(bucket)
		cur := b.Cursor()
		for k, v := cur.First(); k != nil; k, v = cur.Next() {
			var h proto.HistoryEntry
			err := json.Unmarshal(v, &h)
			if err != nil {
				return err
			}
			data, err := h.Marshal()
			if err != nil {
				return err
			}
			b.Put(k, data)
		}
		if err := tx.Commit(); err != nil {
			return err
		}
	}
	return nil
}
Exemplo n.º 19
0
func (cmd *CompactCommand) compact(dst, src *bolt.DB) error {
	// commit regularly, or we'll run out of memory for large datasets if using one transaction.
	var size int64
	tx, err := dst.Begin(true)
	if err != nil {
		return err
	}
	defer tx.Rollback()

	if err := cmd.walk(src, func(keys [][]byte, k, v []byte, seq uint64) error {
		// On each key/value, check if we have exceeded tx size.
		sz := int64(len(k) + len(v))
		if size+sz > cmd.TxMaxSize && cmd.TxMaxSize != 0 {
			// Commit previous transaction.
			if err := tx.Commit(); err != nil {
				return err
			}

			// Start new transaction.
			tx, err = dst.Begin(true)
			if err != nil {
				return err
			}
			size = 0
		}
		size += sz

		// Create bucket on the root transaction if this is the first level.
		nk := len(keys)
		if nk == 0 {
			bkt, err := tx.CreateBucket(k)
			if err != nil {
				return err
			}
			if err := bkt.SetSequence(seq); err != nil {
				return err
			}
			return nil
		}

		// Create buckets on subsequent levels, if necessary.
		b := tx.Bucket(keys[0])
		if nk > 1 {
			for _, k := range keys[1:] {
				b = b.Bucket(k)
			}
		}

		// If there is no value then this is a bucket call.
		if v == nil {
			bkt, err := b.CreateBucket(k)
			if err != nil {
				return err
			}
			if err := bkt.SetSequence(seq); err != nil {
				return err
			}
			return nil
		}

		// Otherwise treat it as a key/value pair.
		return b.Put(k, v)
	}); err != nil {
		return err
	}

	return tx.Commit()
}
Exemplo n.º 20
0
func loadQualifier(db *bolt.DB) {
	tx, err := db.Begin(true)
	if err != nil {
		log.Fatal(err)
	}

	// Use the transaction...
	_, err = tx.CreateBucket([]byte(BUCKET_QUALIFIER))
	if err != nil {
		log.Fatal(err)
	}

	// Commit the transaction and check for error.
	if err := tx.Commit(); err != nil {
		log.Fatal(err)
	}

	log.Println("\tLoading Qualifier MeSH XML from file: ", *qualifierXmlFile)

	qualChannel, file, err := gomesh2016.QualifierChannelFromFile(*qualifierXmlFile)
	if err != nil {
		log.Fatal(err)
	}

	commitCounter := 0
	counter := 0
	tx, err = db.Begin(true)
	if err != nil {
		log.Fatal("error:", err)
	}
	b := tx.Bucket([]byte(BUCKET_QUALIFIER))
	for qualifier := range qualChannel {
		counter = counter + 1
		if commitCounter == commitSize {
			if err := tx.Commit(); err != nil {
				log.Fatal(err)
			}
			tx, err = db.Begin(true)
			if err != nil {
				log.Fatal("error:", err)
			}
			b = tx.Bucket([]byte(BUCKET_PHARMACOLOGICAL))
			commitCounter = 0
		} else {
			commitCounter = commitCounter + 1
		}

		key := qualifier.QualifierUI
		value, err := json.Marshal(qualifier)
		if err != nil {
			log.Fatal("error:", err)
		}
		if commitCounter == commitSize {
			log.Println(key)
			log.Println(len(value))
			// var b bytes.Buffer
			// w := gzip.NewWriter(&b)
			// w.Write(value)
			// w.Close()
			// log.Println(b.Len())
		}
		//log.Println(string(value))

		err = b.Put([]byte(key), value)
		if err != nil {
			log.Fatal(err)
		}

	}
	file.Close()
	if err := tx.Commit(); err != nil {
		log.Fatal(err)
	}
	log.Println("Loaded", counter, "quality")

}
Exemplo n.º 21
0
func loadPharmacological(db *bolt.DB) {
	tx, err := db.Begin(true)
	if err != nil {
		log.Fatal(err)
	}

	// Use the transaction...
	_, err = tx.CreateBucket([]byte(BUCKET_PHARMACOLOGICAL))
	if err != nil {
		log.Fatal(err)
	}

	// Commit the transaction and check for error.
	if err := tx.Commit(); err != nil {
		log.Fatal(err)
	}

	log.Println("\tLoading Pharmacological MeSH XML from file: ", *pharmacologicalXmlFile)

	pharmaChannel, file, err := gomesh2016.PharmacologicalChannelFromFile(*pharmacologicalXmlFile)
	if err != nil {
		log.Fatal(err)
	}

	commitCounter := 0
	counter := 0
	tx, err = db.Begin(true)
	if err != nil {
		log.Fatal("error:", err)
	}
	b := tx.Bucket([]byte(BUCKET_PHARMACOLOGICAL))
	for pharma := range pharmaChannel {
		counter = counter + 1
		if commitCounter == commitSize {
			if err := tx.Commit(); err != nil {
				log.Fatal(err)
			}
			tx, err = db.Begin(true)
			if err != nil {
				log.Fatal("error:", err)
			}
			b = tx.Bucket([]byte(BUCKET_PHARMACOLOGICAL))
			commitCounter = 0
		} else {
			commitCounter = commitCounter + 1
		}

		key := pharma.DescriptorReferredTo.DescriptorUI
		value, err := json.Marshal(pharma)
		if err != nil {
			log.Fatal("error:", err)
		}
		if commitCounter == commitSize {
			log.Println(key)
			log.Println(len(value))
			// var b bytes.Buffer
			// w := gzip.NewWriter(&b)
			// w.Write(value)
			// w.Close()
			// log.Println(b.Len())
		}
		//log.Println(string(value))

		err = b.Put([]byte(key), value)
		if err != nil {
			log.Fatal(err)
		}

	}
	file.Close()
	if err := tx.Commit(); err != nil {
		log.Fatal(err)
	}
	log.Println("Loaded", counter, "pharma")
}
Exemplo n.º 22
0
func loadSupplemental(db *bolt.DB) {
	tx, err := db.Begin(true)
	if err != nil {
		log.Fatal(err)
	}

	// Use the transaction...
	_, err = tx.CreateBucket([]byte(BUCKET_SUPPLEMENTAL))
	if err != nil {
		log.Fatal(err)
	}

	// Commit the transaction and check for error.
	if err := tx.Commit(); err != nil {
		log.Fatal(err)
	}

	log.Println("\tLoading Supplemental MeSH XML from file: ", *supplementalXmlFile)

	suppChannel, file, err := gomesh2016.SupplementalChannelFromFile(*supplementalXmlFile)
	if err != nil {
		log.Fatal(err)
	}

	commitCounter := 0
	counter := 0
	tx, err = db.Begin(true)
	if err != nil {
		log.Fatal("error:", err)
	}
	b := tx.Bucket([]byte(BUCKET_SUPPLEMENTAL))
	for s := range suppChannel {
		counter = counter + 1
		if commitCounter == commitSize {
			if err := tx.Commit(); err != nil {
				log.Fatal(err)
			}
			tx, err = db.Begin(true)
			if err != nil {
				log.Fatal("error:", err)
			}
			b = tx.Bucket([]byte(BUCKET_SUPPLEMENTAL))
			commitCounter = 0
		} else {
			commitCounter = commitCounter + 1
		}

		key := s.SupplementalRecordUI
		value, err := json.Marshal(s)
		if err != nil {
			log.Fatal("error:", err)
		}
		if commitCounter == commitSize {
			log.Println(key)
			log.Println(len(value))
			// var b bytes.Buffer
			// w := gzip.NewWriter(&b)
			// w.Write(value)
			// w.Close()
			// log.Println(b.Len())
		}
		//log.Println(string(value))

		err = b.Put([]byte(key), value)
		if err != nil {
			log.Fatal(err)
		}

	}
	file.Close()
	if err := tx.Commit(); err != nil {
		log.Fatal(err)
	}
	log.Println("Loaded", counter, "supplemental")

}
Exemplo n.º 23
0
func loadDescriptor(db *bolt.DB) {
	tx, err := db.Begin(true)
	if err != nil {
		log.Fatal(err)
	}

	// Use the transaction...
	_, err = tx.CreateBucket([]byte(BUCKET_DESCRIPTOR))
	if err != nil {
		log.Fatal(err)
	}

	// Commit the transaction and check for error.
	if err := tx.Commit(); err != nil {
		log.Fatal(err)
	}

	log.Println("\tLoading Description MeSH XML from file: ", *descriptorXmlFile)

	descChannel, file, err := gomesh2016.DescriptorChannelFromFile(*descriptorXmlFile)
	if err != nil {
		log.Fatal(err)
	}

	commitCounter := 0
	counter := 0
	tx, err = db.Begin(true)
	if err != nil {
		log.Fatal("error:", err)
	}
	b := tx.Bucket([]byte(BUCKET_DESCRIPTOR))

	size := 0

	// This is the root of the tree
	root := InitializeNode()

	for desc := range descChannel {
	        if desc.TreeNumberList != nil{
		for _, treeNumber := range desc.TreeNumberList.TreeNumber {
			root.AddNode(treeNumber, desc.DescriptorUI, desc.DescriptorName)
			//log.Println("---------")
			//log.Println(tree)
			m := strings.Split(treeNumber, ".")
			if len(m) > size {
				size = len(m)
			}
		}
}
		counter = counter + 1
		if commitCounter == commitSize {
			if err := tx.Commit(); err != nil {
				log.Fatal(err)
			}
			tx, err = db.Begin(true)
			if err != nil {
				log.Fatal("error:", err)
			}
			b = tx.Bucket([]byte(BUCKET_DESCRIPTOR))
			commitCounter = 0
		} else {
			commitCounter = commitCounter + 1
		}

		key := desc.DescriptorUI
		value, err := json.Marshal(desc)
		if err != nil {
			log.Fatal("error:", err)
		}
		if commitCounter == commitSize {
			log.Println(key)
			log.Println(len(value))
			// var b bytes.Buffer
			// w := gzip.NewWriter(&b)
			// w.Write(value)
			// w.Close()
			// log.Println(b.Len())
		}
		//log.Println(string(value))

		err = b.Put([]byte(key), value)
		if err != nil {
			log.Fatal(err)
		}

	}
	file.Close()
	if err := tx.Commit(); err != nil {
		log.Fatal(err)
	}
	log.Println("Loaded", counter, "description")
	log.Println("Size=", size)


	// TREE
	tx, err = db.Begin(true)
	if err != nil {
		log.Fatal(err)
	}
	treeBucket := tx.Bucket([]byte(BUCKET_TREE))

	root.DepthTraverse(0, Visitor, treeBucket)
}