128 lines
2.4 KiB
Go
128 lines
2.4 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package storagenodedb
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import (
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"storj.io/storj/pkg/kademlia"
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"storj.io/storj/storage"
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"storj.io/storj/storage/boltdb"
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"storj.io/storj/storage/filestore"
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"storj.io/storj/storage/teststore"
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"storj.io/storj/storagenode"
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)
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var _ storagenode.DB = (*DB)(nil)
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// Config configures storage node database
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type Config struct {
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// TODO: figure out better names
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Storage string
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Info string
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Info2 string
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Kademlia string
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Pieces string
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}
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// DB contains access to different database tables
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type DB struct {
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log *zap.Logger
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pieces interface {
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storage.Blobs
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Close() error
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}
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info *InfoDB
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kdb, ndb, adb storage.KeyValueStore
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}
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// New creates a new master database for storage node
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func New(log *zap.Logger, config Config) (*DB, error) {
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piecesDir, err := filestore.NewDir(config.Pieces)
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if err != nil {
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return nil, err
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}
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pieces := filestore.New(piecesDir)
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infodb, err := newInfo(config.Info2)
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if err != nil {
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return nil, err
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}
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dbs, err := boltdb.NewShared(config.Kademlia, kademlia.KademliaBucket, kademlia.NodeBucket, kademlia.AntechamberBucket)
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if err != nil {
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return nil, err
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}
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return &DB{
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log: log,
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pieces: pieces,
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info: infodb,
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kdb: dbs[0],
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ndb: dbs[1],
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adb: dbs[2],
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}, nil
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}
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// NewInMemory creates new inmemory master database for storage node
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// TODO: still stores data on disk
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func NewInMemory(log *zap.Logger, storageDir string) (*DB, error) {
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piecesDir, err := filestore.NewDir(storageDir)
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if err != nil {
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return nil, err
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}
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pieces := filestore.New(piecesDir)
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infodb, err := NewInfoInMemory()
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if err != nil {
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return nil, err
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}
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return &DB{
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log: log,
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pieces: pieces,
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info: infodb,
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kdb: teststore.New(),
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ndb: teststore.New(),
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adb: teststore.New(),
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}, nil
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}
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// CreateTables creates any necessary tables.
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func (db *DB) CreateTables() error {
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return db.info.CreateTables(db.log)
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}
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// Close closes any resources.
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func (db *DB) Close() error {
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return errs.Combine(
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db.kdb.Close(),
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db.ndb.Close(),
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db.adb.Close(),
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db.pieces.Close(),
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db.info.Close(),
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)
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}
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// Pieces returns blob storage for pieces
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func (db *DB) Pieces() storage.Blobs {
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return db.pieces
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}
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// RoutingTable returns kademlia routing table
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func (db *DB) RoutingTable() (kdb, ndb, adb storage.KeyValueStore) {
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return db.kdb, db.ndb, db.adb
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}
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