NewDBMS returns new database management instance.
(cfg *DBMSConfig)
| 76 | |
| 77 | // NewDBMS returns new database management instance. |
| 78 | func NewDBMS(cfg *DBMSConfig) (dbms *DBMS, err error) { |
| 79 | dbms = &DBMS{ |
| 80 | cfg: cfg, |
| 81 | } |
| 82 | |
| 83 | // init kayak rpc mux |
| 84 | if dbms.kayakMux, err = NewDBKayakMuxService(DBKayakRPCName, cfg.Server); err != nil { |
| 85 | err = errors.Wrap(err, "register kayak mux service failed") |
| 86 | return |
| 87 | } |
| 88 | |
| 89 | // init sql-chain rpc mux |
| 90 | if dbms.chainMux, err = sqlchain.NewMuxService(route.SQLChainRPCName, cfg.Server); err != nil { |
| 91 | err = errors.Wrap(err, "register sqlchain mux service failed") |
| 92 | return |
| 93 | } |
| 94 | |
| 95 | // cache address of node |
| 96 | var ( |
| 97 | pk *asymmetric.PublicKey |
| 98 | addr proto.AccountAddress |
| 99 | ) |
| 100 | if pk, err = kms.GetLocalPublicKey(); err != nil { |
| 101 | err = errors.Wrap(err, "failed to cache public key") |
| 102 | return |
| 103 | } |
| 104 | if addr, err = crypto.PubKeyHash(pk); err != nil { |
| 105 | err = errors.Wrap(err, "generate address failed") |
| 106 | return |
| 107 | } |
| 108 | dbms.address = addr |
| 109 | |
| 110 | // init chain bus service |
| 111 | ctx := context.Background() |
| 112 | bs := NewBusService(ctx, addr, conf.GConf.ChainBusPeriod) |
| 113 | dbms.busService = bs |
| 114 | |
| 115 | // private key cache |
| 116 | dbms.privKey, err = kms.GetLocalPrivateKey() |
| 117 | if err != nil { |
| 118 | log.WithError(err).Warning("get private key failed") |
| 119 | return |
| 120 | } |
| 121 | |
| 122 | // init service |
| 123 | dbms.rpc = NewDBMSRPCService(route.DBRPCName, cfg.Server, cfg.DirectServer, dbms) |
| 124 | return |
| 125 | } |
| 126 | |
| 127 | func (dbms *DBMS) readMeta() (meta *DBMSMeta, err error) { |
| 128 | filePath := filepath.Join(dbms.cfg.RootDir, DBMetaFileName) |